Lime pile foundation deviation rectifying and reinforcing device
By using a lime pile foundation correction and reinforcement device, the expansion direction of the lime pile is controlled by a tamping machine and fixing components, which solves the problem of lime pile length variation and enhances the reinforcement effect of the lime pile on the surrounding soil.
Patent Information
- Application Number
- CN202520456751.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-14
AI Technical Summary
In traditional lime pile manufacturing methods, it is difficult to control the expansion direction of lime, which leads to changes in the length of the lime pile and weakens the reinforcement effect on the surrounding soil.
A lime pile foundation correction and reinforcement device is adopted, which includes components such as a base plate, columns, compacted blocks, sliding rings and limiting columns. The fixing rods are driven into the soil by a compactor, and each layer of lime mixture is fixed by baffles and sliding rings to ensure that the lime pile expands to the side during the expansion process, avoiding the soil from being pushed up, while enhancing the reinforcement effect of the soil around the pile.
Effectively control the expansion direction of lime piles, enhance the reinforcement effect of lime piles on the surrounding soil, ensure the integrity and continuity of lime piles, and prevent the soil at the top of lime piles from being pushed up.
Smart Images
Figure CN223880400U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lime pile manufacturing technical field, especially relates to a lime pile foundation deviation rectification reinforcing device. BACKGROUND
[0002] Lime pile refers to the artificial or mechanical hole in the ground, pours into quicklime block (or in quicklime block mixes into the right amount of hydraulic admixture, such as fly ash, pozzolan etc.), after vibration or ramming forms the pile column body. Lime pile can be applied to road, wharf, railway, soft ground reinforcement engineering and underpinning engineering and foundation pit support engineering etc. Lime pile will swell after water absorption, thereby extruding the soil around the pile. This process will reduce the water content of the foundation soil, reduce the void ratio, improve the shear strength of the soil between piles.
[0003] At present, the traditional lime pile manufacturing method is usually to pour lime mixture directly into the ground hole and tamp, then pour sand or concrete into the top of the hole for closure. However, this method has certain limitations: when lime swells after water absorption, its swelling direction is difficult to control, resulting in change of the length of lime pile. This uncontrollable swelling will cause the soil at the top of the lime pile to be lifted up, at the same time, weaken the reinforcement effect of the lime pile on the soil around the pile. UTILITARIAN CONTENT
[0004] In order to solve the above problems, the utility model provides a lime pile foundation deviation rectification reinforcing device.
[0005] The above technical purpose of the utility model is realized by the following technical scheme: a lime pile foundation deviation rectification reinforcing device, comprising a bottom plate, the bottom plate bottom surface is circumferentially spaced apart from a plurality of fixed rods, the top surface is concentrically provided with a stand column, the stand column is vertically slidably provided with a tamping block, a plurality of fixed assemblies are arranged on the stand column, the fixed assembly comprises a baffle and a sliding ring, the diameter of the baffle is consistent with the diameter of the bottom plate, a circular hole is formed in the middle of the baffle, the diameter of the circular hole is greater than the diameter of the stand column, the sliding ring is slidably connected with the stand column through the center hole, a plurality of limiting columns are circumferentially spaced apart from the bottom surface of the sliding ring, one side of the limiting column is in contact with the surface of the stand column, and the other side is in contact with the circular hole.
[0006] By adopting the technical scheme, the fixing rod is placed downward by placing the bottom plate into the hole in the ground and ensuring that the fixing rod is placed downward. Then, the lifting rope of the tamping machine is connected with the top of the tamping block, the tamping block is lifted and loosened by the tamping machine, and the tamping block is quickly impacted on the bottom plate, so that the fixing rod is nailed into the soil. The lime mixture is filled into the hole, and the lime mixture is tamped to be dense by repeatedly impacting the tamping block. After completion, the tamping block is lifted and separated from the stand. Next, the baffle is sleeved on the top of the stand, and the sliding ring is sleeved on the stand from the top of the stand. Then, the tamping block is recombined with the stand, and the tamping block is impacted on the sliding ring, so that the plurality of limiting columns are nailed into the gap between the circular hole and the stand, so that the baffle is fixed. The above steps are repeated for each layer of lime mixture. Each layer of lime mixture is limited in the vertical direction by the baffle or the bottom plate, so that the lime pile can expand to the side during the natural water absorption, expansion and hardening process of the lime pile, the soil at the top of the lime pile is prevented from being lifted, and the reinforcement effect of the lime pile on the soil around the pile is enhanced.
[0007] Further, a plurality of through holes are formed in the baffle in the circumferential direction.
[0008] By adopting the technical scheme, the adjacent two layers of lime mixture still contact in the partial area, so as to ensure the integrity and continuity of the lime column.
[0009] Further, a plurality of convex strips are vertically and spacedly arranged on the surfaces of the limiting column close to the stand and the circular hole.
[0010] By adopting the technical scheme, the convex strips are arranged, so that the limiting column is nailed into the gap between the circular hole and the stand, and the convex strips are pressed against the surfaces of the circular hole and the stand, so that the fixing effect of the baffle is better.
[0011] Further, a chamfer is formed on the edge of the bottom of the limiting column away from the stand.
[0012] By adopting the technical scheme, the limiting column is conveniently nailed into the gap between the circular hole and the stand.
[0013] Further, a sliding pipe is movably sleeved on the top of the stand, three positioning plates are spacedly arranged on the sliding pipe in the circumferential direction, a through hole is formed in the positioning plate in the vertical direction, and the ground nail is fixed by being penetrated through the through hole and nailed into the ground.
[0014] By adopting the technical scheme, the sliding pipe and the positioning plate are arranged, before the fixing rod is nailed into the soil, the sliding pipe is moved to be located at the middle part of the pre-formed hole, then the positioning plate is fixed by nailing the ground nail through the through hole into the ground, so that the position of the sliding pipe is fixed, in the process of nailing the fixing rod into the soil, the position of the stand is limited by the sliding pipe, and after the fixing rod is nailed into the soil, the stand is in the vertical state, so that the whole lime pile is prevented from being inclined, and the sliding pipe is separated from the stand after the fixing rod is nailed into the soil.
[0015] Further, the positioning plate is provided with a plurality of scale grooves at intervals.
[0016] By adopting the technical scheme, the sliding pipe and the positioning plate are arranged, before the fixing rod is nailed into the soil, the sliding pipe is moved to be located at the middle part of the pre-formed hole, then the positioning plate is fixed by nailing the ground nail through the through hole into the ground, so that the position of the sliding pipe is fixed, in the process of nailing the fixing rod into the soil, the position of the stand is limited by the sliding pipe, and after the fixing rod is nailed into the soil, the stand is in the vertical state, so that the whole lime pile is prevented from being inclined, and the sliding pipe is separated from the stand after the fixing rod is nailed into the soil.
[0017] Further, the stand is provided with a threaded hole at the top, a threaded column is spirally arranged in the threaded hole, and a cylinder is arranged at the top of the threaded column, and the diameter of the cylinder is consistent with the diameter of the stand.
[0018] By adopting the technical scheme, the threaded hole, the threaded column and the cylinder are arranged, after the fixing rod is nailed into the soil, the top of the cylinder is higher than the top of the hole, so as to provide sufficient sliding stroke for the ramming block, and the bottom of the cylinder is lower than the top of the hole, after the lime pile is completed, the cylinder is rotated to drive the threaded column to rotate, so that the threaded column is separated from the threaded hole, and then the cylinder is removed, finally, the top of the hole is backfilled with concrete or gravel, and the capping treatment is completed.
[0019] In summary, the utility model has the following beneficial effects:
[0020] 1. In the application, the fixing rod, the stand, the ramming block, the sliding ring and the limiting column are arranged, the bottom plate is placed in the hole formed in the ground in advance, and the fixing rod is ensured to be downward, then the sling of the ramming machine is connected with the top of the ramming block, the ramming block is lifted and loosened by the ramming machine, and the fixing rod is nailed into the soil by the rapid falling impact of the ramming block, the lime mixture is filled into the hole, the lime mixture is rammed to be dense by repeated impact of the ramming block, after completion, the ramming block is lifted and separated from the stand, then the baffle is sleeved on the top of the stand, and the sliding ring is sleeved on the stand from the top of the stand, then the ramming block is matched with the stand again, the ramming block falls to impact the sliding ring, the limiting columns are pushed into the gap between the round hole and the stand, so that the baffle is fixed, and the above steps are repeated for each layer of lime mixture, so that each layer of lime mixture is limited in the vertical direction by the baffle or the bottom plate, and the lime pile can expand to the side during the natural water absorption, expansion and hardening process, the soil at the top of the lime pile is prevented from being lifted, and the reinforcement effect of the lime pile on the soil around the pile is enhanced.
[0021] 2、In the application, the sliding pipe and the positioning plate are arranged, before the fixing rod is nailed into the soil, the sliding pipe is moved to be located in the middle of the pre-formed hole, then the positioning plate is fixed by nailing the ground nail through the through hole into the ground, so that the position of the sliding pipe is fixed. In the process of nailing the fixing rod into the soil, the sliding pipe limits the position of the stand column, ensures that the stand column is in a vertical state after the fixing rod is nailed into the soil, thereby avoiding the whole lime pile from being inclined. After the fixing rod is nailed into the soil, the sliding pipe is separated from the stand column;
[0022] 3、In the application, a plurality of scale grooves are arranged on the positioning plate at intervals, when the movable pipe is moved, the positioning plate is moved, and when the readings of the scale grooves corresponding to the hole edges on the positioning plate are consistent, the movable pipe is located in the middle of the hole. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 is the overall structure schematic diagram of the embodiment of the utility model;
[0024] Figure 2 is the structure schematic diagram of the bottom plate and the stand column of the embodiment of the utility model;
[0025] Figure 3 is the structure schematic diagram of the sliding pipe, the positioning plate and the ramming block of the embodiment of the utility model;
[0026] Figure 4 is the structure schematic diagram of the sliding ring and the limiting column of the embodiment of the utility model.
[0027] In the drawing: 10, bottom plate; 11, fixing rod; 12, stand column; 13, ramming block; 14, threaded column; 15, cylinder; 20, fixing assembly; 21, baffle; 22, through hole; 23, sliding ring; 24, round hole; 25, limiting column; 26, convex strip; 27, chamfer; 30, sliding pipe; 31, positioning plate; 32, through hole; 33, scale groove. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application; obviously, the described embodiments are only part of the embodiments of the application, not all the embodiments of the application, and all other embodiments obtained by those skilled in the art without creative labor on the basis of the embodiments in the application belong to the protection scope of the application.
[0029] As Figures 1-4As shown, the embodiment of the present application discloses a lime pile foundation deviation rectification reinforcing device, which comprises a bottom plate 10, a fixing assembly 20, the bottom plate 10 is circular, a plurality of fixing rods 11 are arranged on the bottom surface of the bottom plate 10 in a circumferential direction, a vertical column 12 is arranged on the top surface of the bottom plate 10 in a concentric manner, a ramming block 13 is arranged on the vertical column 12 in a vertical sliding manner, the ramming block 13 is in the form of a cylinder 15 with a central opening, the ramming block 13 is in sliding cooperation with the vertical column 12 through the central opening, and the diameter of the ramming block 13 is consistent with the diameter of the bottom plate 10. A hole is previously formed on the ground, the bottom plate 10 is placed in the hole, and the fixing rods 11 are ensured to be downward. Then, a sling of a ramming machine is connected to the top of the ramming block 13, the ramming block 13 is lifted by the ramming machine and loosened, and the ramming block 13 is quickly dropped to impact the bottom plate 10, so that the fixing rods 11 are nailed into the soil, and the bottom plate 10 and the vertical column are fixed. It is ensured that deviation does not occur during the production of the lime pile. After completion, the ramming block 13 is lifted to be separated from the vertical column 12. Then, a lime mixture is filled into the hole, and the lime mixture is rammed to be dense through repeated impact of the ramming block 13. After completion, the ramming block 13 is lifted to be separated from the vertical column 12.
[0030] The fixing assembly 20 is arranged on the vertical column 12, the fixing assembly 20 comprises a baffle 21 and a sliding ring 23, the diameter of the baffle 21 is consistent with the diameter of the bottom plate 10, a circular hole 24 is formed in the middle of the baffle 21, the diameter of the circular hole 24 is greater than the diameter of the vertical column 12, the sliding ring 23 is in sliding cooperation with the vertical column 12 through a central hole, a plurality of limiting columns 25 are arranged on the bottom surface of the sliding ring 23 in a circumferential direction, one side of the limiting column 25 is in abutment with the surface of the vertical column 12, and the other side is in abutment with the circular hole 24. The baffle 21 is sleeved on the top of the vertical column 12, and then the sliding ring 23 is sleeved on the vertical column 12 from the top of the vertical column 12. Then, the ramming block 13 is re-cooperated with the vertical column 12, the ramming block 13 is dropped to impact the sliding ring 23, and the plurality of limiting columns 25 are pushed into the gap between the circular hole 24 and the vertical column 12, so that the baffle 21 is fixed. The above steps are repeated for each layer of the lime mixture. Each layer of the lime mixture is limited in the vertical direction by the baffle 21 or the bottom plate 10, so that the lime pile can expand to the side during the natural water absorption, expansion and hardening process of the lime pile, the soil at the top of the lime pile is prevented from being lifted, and the reinforcing effect of the lime pile on the soil around the pile is improved.
[0031] Specifically, a chamfer 27 is formed on the edge of the bottom of the limiting column 25 away from the vertical column 12, so that the limiting column 25 is conveniently nailed into the gap between the circular hole 24 and the vertical column 12. A plurality of convex strips 26 are arranged on the surface of the limiting column 25 close to the vertical column 12 and the circular hole 24 in a vertical direction, so that, after the limiting column 25 is nailed into the gap between the circular hole 24 and the vertical column 12, the convex strips 26 extrude the surface of the circular hole 24 and the vertical column 12, and the fixing effect of the baffle 21 is better. A plurality of through holes 22 are formed on the baffle 21 in a circumferential direction, so that the partial areas of adjacent two layers of the lime mixture still contact, and the integrity and continuity of the lime pile are ensured.
[0032] When setting, the movable sleeve is arranged on the top of the column 12, and three positioning plates 31 are arranged on the movable sleeve 30 in a circumferential direction. A through hole 32 is vertically arranged on the positioning plate 31, and the ground nail is inserted into the ground through the through hole 32 to fix the positioning plate 31. Before the fixing rod 11 is inserted into the soil, the movable sleeve 30 is moved so that the movable sleeve 30 is located in the middle of the pre-formed hole. Then, the ground nail is inserted into the ground through the through hole 32 to fix the positioning plate 31, so that the position of the movable sleeve 30 is fixed. During the process of inserting the fixing rod 11 into the soil, the movable sleeve 30 limits the position of the column 12, so that the column 12 is in a vertical state after the fixing rod 11 is inserted into the soil, thereby avoiding the overall inclination of the lime pile. After the fixing rod 11 is inserted into the soil, the movable sleeve 30 is separated from the column 12. A plurality of scale grooves 33 are arranged on the positioning plate 31 in an interval. When the movable sleeve is moved, the positioning plate 31 is moved. When the readings of the scale grooves 33 corresponding to the hole edges on the positioning plate 31 are consistent, the movable sleeve is located in the middle of the hole.
[0033] When specifically setting, a threaded hole is formed on the top of the column 12, and a threaded column 14 is spirally arranged in the threaded hole. A cylinder 15 is arranged on the top of the threaded column 14, and the diameter of the cylinder 15 is consistent with the diameter of the column 12. After the fixing rod 11 is inserted into the soil, the top of the cylinder 15 is higher than the top of the hole, so as to provide sufficient sliding stroke for the ramming block 13. The bottom of the cylinder 15 is lower than the top of the hole. After the lime pile is completed, the cylinder 15 is rotated to drive the threaded column 14 to rotate, so that the threaded column 14 is separated from the threaded hole. Then, the cylinder 15 is removed. Finally, the top of the hole is backfilled with concrete or gravel, and the capping treatment is completed. The cylinder 15, the ramming block 13, the movable sleeve and the positioning plate 31 lose their functions after the current lime column is completed, and can be installed on the subsequent device for repeated use, thereby saving the manufacturing cost.
[0034] The use principle of the foundation deviation rectifying and reinforcing device of the lime pile in the embodiment is as follows: the bottom plate 10 is placed into the hole preformed in the ground, and the fixing rod 11 is ensured to face downward. Then, the lifting rope of the rammer is connected with the top of the ramming block 13, the rammer is started to lift the ramming block 13 and loosen it, so that the ramming block 13 falls down quickly to impact the bottom plate 10, and the fixing rod 11 is nailed into the soil. After the completion, the ramming block 13 is lifted to separate it from the stand column 12. Then, the lime mixture is filled into the hole, the ramming block 13 is matched with the stand column 12 again, and the lime mixture is rammed to be dense through the repeated impact of the ramming block 13. After the completion, the ramming block 13 is lifted to separate it from the stand column 12. Next, the baffle 21 is sleeved on the top of the stand column 12, and the sliding ring 23 is sleeved on the stand column 12 from the top of the stand column 12. Then, the ramming block 13 is matched with the stand column 12 again, so that the ramming block 13 falls down to impact the sliding ring 23, the plurality of limiting columns 25 are pushed into the gap between the circular hole 24 and the stand column 12, and the convex strip 26 is extruded on the surface of the circular hole 24 and the stand column 12, so that the baffle 21 is fixed. The above steps are repeated to operate for each layer of the lime mixture.
[0035] The above only describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical scheme falling within the idea of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application are also considered to be within the protection scope of the present application.
Claims
1. A lime pile foundation correction and reinforcement device, characterized in that: The utility model provides a kind of rammer, including bottom plate (10), the bottom surface of the bottom plate (10) is peripherally spaced apart with several fixed rods (11), top surface concentrically with column (12) is provided, the column (12) is vertically slidably provided with tamper block (13), the column (12) is provided with several fixed assemblies (20), the fixed assembly (20) includes baffle (21), sliding ring (23), the diameter of the baffle (21) is consistent with the diameter of bottom plate (10), the baffle (21) middle part is provided with circular hole (24), the diameter of the circular hole (24) is greater than the diameter of column (12), the sliding ring (23) is slidably connected with column (12) by center hole, the bottom surface of the sliding ring (23) is peripherally spaced apart with several limit posts (25), one side of the limit post (25) is in contact with the surface of column (12), and the other side is in contact with circular hole (24).
2. The device for deviation rectification and reinforcement of lime pile foundation according to claim 1, characterized in that: The baffle (21) is peripherally provided with several through holes (22).
3. The device for deviation rectification and reinforcement of lime pile foundation according to claim 1, characterized in that: The surface of the limit post (25) near column (12) and circular hole (24) is vertically spaced apart with several convex strips (26).
4. The device for deviation rectification and reinforcement of lime pile foundation according to claim 1, characterized in that: The edge of the limit post (25) away from column (12) side is chamfered (27).
5. The device for deviation rectification and reinforcement of lime pile foundation according to claim 1, characterized in that: The top of the column (12) is movably sleeved with sliding tube (30), the sliding tube (30) is peripherally spaced apart with three positioning plates (31), the positioning plate (31) is vertically provided with through hole (32), and ground nail is inserted into ground through through hole (32) to fix positioning plate (31).
6. The device for deviation rectification and reinforcement of lime pile foundation according to claim 5, characterized in that: The positioning plate (31) is spaced apart with several scale grooves (33).
7. The device for deviation rectification and reinforcement of lime pile foundation according to claim 1, characterized in that: The top of the column (12) is provided with threaded hole, the threaded hole is spirally provided with threaded column (14), the top of the threaded column (14) is provided with cylinder (15), and the diameter of the cylinder (15) is consistent with the diameter of column (12).