Anti-falling spiral ground pile
By adopting a combined structure of screw rods, lift plates, columns and movable rods in spiral piles, combined with the design of guide plates and limit rings, the problem of spiral piles rotating or loosening in the soil is solved, and the stability of the foundation is significantly improved.
Patent Information
- Application Number
- CN202421314141.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-06-11
AI Technical Summary
Existing spiral piles are prone to cycling or loosening under soil pressure, vibration or long-term load, resulting in a decrease in foundation stability.
An anti-deformed spiral pile is designed, adopting a combined structure of screw rod, lift plate, column and movable rod. The stable fixation of the spiral column is achieved through the coordination of the guide plate, guide block and guide groove, and the fixing effect of the spiral column is further enhanced through the coordination of the limit ring and the insertion rod.
It effectively avoids the spiral or loosening of spiral piles in the soil, improves the stability of the foundation, and ensures the long-term use effect of spiral piles.
Smart Images

Figure CN222594813U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of spiral ground piles, in particular to an anti-falling type spiral ground pile. Background Art
[0002] Screw piles, also known as spiral piles or spiral piles, are a foundation reinforcement technology widely used in civil engineering and construction. Its basic working principle is to form a stable foundation support system in the soil by spirally screwing specially designed spiral steel bars into the ground.
[0003] Existing spiral piles are fixed in the soil only by means of spiral connection. However, under the action of soil pressure, vibration or long-term load, the spiral piles may swirl or loosen, thereby causing the foundation stability to decrease. Utility Model Content
[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an anti-slip type spiral ground pile, which effectively solves the problem that the current spiral ground pile may rotate or loosen.
[0005] To achieve the above object, the utility model provides the following technical solutions: an anti-slip spiral ground pile, comprising a spiral column, a mounting plate is fixedly mounted on the top end of the spiral column, a drill bit is fixedly mounted on the bottom end of the spiral column, an anti-slip mechanism is mounted inside the spiral column, and a limit mechanism is mounted on the anti-slip mechanism;
[0006] The anti-slip mechanism includes a guide column fixed in the spiral column, two guide plates are symmetrically and movably sleeved on the outer side of the guide column, guide blocks are fixedly installed on the inner sides of the two guide plates, a guide groove is provided on the outer side of the guide column, the two guide blocks are slidably connected to the guide groove, anti-slip rods are fixedly installed on the bottom of the two guide plates, and tips are fixedly installed on the ends of the two anti-slip rods away from each other.
[0007] Preferably, two through holes are symmetrically provided on the spiral column, and the two tip ends are respectively located in the two through holes.
[0008] Preferably, a sleeve plate is fixedly installed inside the spiral column, and the sleeve plate is fixedly sleeved on the outer middle part of the guide column, the sleeve plate is located between the two guide plates, the top of the sleeve plate is rotatably connected to a screw rod, the top of the screw rod is fixedly installed with a handwheel, the outer side of the screw rod is threadedly sleeved with a lifting plate, the outer side of the lifting plate is symmetrically rotatably connected to two movable rods, and the ends of the two movable rods away from the lifting plate are respectively rotatably connected to the two guide plates.
[0009] Preferably, an inner disk is fixedly installed inside the spiral column, the inner disk is located between the lifting plate and the handwheel, the screw rod passes through the inner disk and is rotatably connected to the inner disk, two columns are symmetrically fixedly connected between the inner disk and the sleeve plate, the lifting plate is movably sleeved on the outer sides of the two columns, and the outer sides of the two columns are fixedly sleeved with limit rings, and the lifting plate is located at the bottom of the two limit rings.
[0010] Preferably, the limiting mechanism includes a lifting ring movably installed inside the spiral column, the lifting ring movably sleeved on the outer sides of the two columns, the lifting ring is located above the lifting plate, two connecting columns are symmetrically fixedly connected between the lifting ring and the lifting plate, two side blocks are symmetrically fixedly connected to the outer side of the lifting ring, plug rods are fixedly installed at the bottom of the two side blocks, and the two plug rods are located on the outer side of the spiral column.
[0011] Preferably, two through grooves are symmetrically provided on the spiral column, and the two side blocks respectively penetrate the two through grooves, and the two side blocks are slidably connected to the spiral column through the two through grooves.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] (1) The utility model, through the cooperation between the screw rod and the lifting plate and the column and the movable rod, when the hand wheel is rotated, the two guide plates are easy to slide along the guide column, and through the cooperation between the guide block and the guide groove, the stability of the guide plate when sliding is ensured, and then the two tips can be inserted into the soil away from each other, so that the spiral column is fixed to prevent it from spinning or loosening;
[0014] (2) The new type of device is characterized by the coordination between the screw rod and the lifting plate, as well as the column and the connecting column. When the hand wheel is rotated, the lifting ring can slide downward along the two columns. The coordination between the side block and the through groove can facilitate the two insertion rods to descend and be inserted into the soil, thereby further limiting the position of the spiral column and achieving the effect of preventing it from falling off. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.
[0016] In the attached picture:
[0017] Figure 1 This is a schematic diagram of the structure of the anti-slip spiral pile of the utility model;
[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the spiral column of the utility model;
[0019] Figure 3 This is a schematic diagram of the anti-slip mechanism structure of the utility model;
[0020] Figure 4 This is a schematic diagram of the structure of the guide column of the utility model;
[0021] Figure 5 This is a schematic diagram of the structure of the limiting mechanism of the utility model;
[0022] In the figure: 1. spiral column; 2. anti-slip mechanism; 201. guide column; 202. sleeve plate; 203. column; 204. hand wheel; 205. inner plate; 206. screw rod; 207. limit ring; 208. movable rod; 209. guide plate; 2010. guide groove; 2011. guide block; 2012. anti-slip rod; 2013. tip; 2014. lifting plate; 3. limit mechanism; 301. lifting ring; 302. side block; 303. connecting column; 304. plug rod; 4. mounting plate; 5. drill bit; 6. through groove; 7. through hole. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0024] Embodiment 1, by Figure 1-2 The utility model comprises a spiral column 1, a mounting plate 4 is fixedly mounted on the top end of the spiral column 1, a drill bit 5 is fixedly mounted on the bottom end of the spiral column 1, an anti-slip mechanism 2 is mounted in the spiral column 1, and a limiting mechanism 3 is mounted on the anti-slip mechanism 2.
[0025] Specifically, by Figure 3-4The anti-slip mechanism 2 includes a guide column 201 fixed in the spiral column 1, and two guide plates 209 are symmetrically and movably sleeved on the outer side of the guide column 201. Guide blocks 2011 are fixedly installed on the inner sides of the two guide plates 209. A guide groove 2010 is provided on the outer side of the guide column 201. The two guide blocks 2011 are slidably connected to the guide groove 2010. Anti-slip rods 2012 are fixedly installed at the bottom of the two guide plates 209. The ends of the two anti-slip rods 2012 that are away from each other are fixedly installed with tips 2013. Two through holes 7 are symmetrically provided on the spiral column 1. The two tips 2013 are respectively located in the two through holes 7. A sleeve plate 202 is fixedly installed inside the spiral column 1. The sleeve plate 202 is fixedly sleeved on the middle part of the outer side of the guide column 201. The sleeve plate 202 is located between the two guide plates 209. A screw rod 206 is rotatably connected to the top of the screw rod 206. A hand wheel 204 is fixedly installed on the top of the screw rod 206. The outer thread sleeve of the screw rod 206 The lifting plate 2014 is connected to the lifting plate 2014, and the outer side of the lifting plate 2014 is symmetrically connected to two movable rods 208. The ends of the two movable rods 208 away from the lifting plate 2014 are respectively connected to the two guide plates 209 for rotation. The inner disk 205 is fixedly installed inside the spiral column 1. The inner disk 205 is located between the lifting plate 2014 and the hand wheel 204. The screw rod 206 passes through the inner disk 205 and is connected to the inner disk 205 for rotation. The inner disk 205 is symmetrically fixedly connected to the sleeve plate 202. There are two columns 203, and the lifting plate 2014 is movably sleeved on the outer sides of the two columns 203. The outer sides of the two columns 203 are fixedly sleeved with limit rings 207. The lifting plate 2014 is located at the bottom of the two limit rings 207. The lifting plate 2014 is limited by setting the limit rings 207. When the lifting plate 2014 rises to fit with the two limit rings 207, the two tips 2013 are respectively located in the two through holes 7, which is convenient for driving the spiral column 1 into the soil;
[0026] When the spiral column 1 is driven into the soil through the drill bit 5, the hand wheel 204 is first rotated to drive the screw rod 206 to rotate, and the lifting plate 2014 is driven to slide downward along the two columns 203, and then the two guide plates 209 are driven to slide along the guide column 201 through the two movable rods 208. At this time, the two guide blocks 2011 both slide in the guide groove 2010 to ensure the stability of the two guide plates 209 when sliding, and then drive the two anti-slip rods 2012 to move, and finally the two tip ends 2013 are moved away from each other and inserted into the soil to fix the spiral column 1 and avoid rotation or loosening.
[0027] Specifically, by Figure 5It is given that the limiting mechanism 3 includes a lifting ring 301 movably installed inside the spiral column 1, the lifting ring 301 is movably sleeved on the outer sides of the two columns 203, the lifting ring 301 is located above the lifting plate 2014, two connecting columns 303 are symmetrically fixedly connected between the lifting ring 301 and the lifting plate 2014, two side blocks 302 are symmetrically fixedly connected to the outer side of the lifting ring 301, the bottom of the two side blocks 302 are fixedly installed with plug rods 304, and the two plug rods 304 are located on the outer side of the spiral column 1, and two through grooves 6 are symmetrically provided on the spiral column 1, and the two side blocks 302 respectively penetrate the two through grooves 6, and the two side blocks 302 are slidably connected to the spiral column 1 through the two through grooves 6;
[0028] When the lifting plate 2014 slides downward along the two columns 203, the lifting ring 301 is driven to slide downward along the two columns 203 through the two connecting columns 303. At the same time, the two side blocks 302 move downward along the two through grooves 6 respectively, and then drive the two insertion rods 304 to descend and insert into the soil. Finally, the spiral column 1 is further limited to prevent it from falling off.
Claims
1. An anti-dropping spiral ground pile, comprising a spiral column (1), characterized in that: A mounting plate (4) is fixedly mounted on the top end of the spiral column (1), a drill bit (5) is fixedly mounted on the bottom end of the spiral column (1), an anti-slip mechanism (2) is mounted inside the spiral column (1), and a limiting mechanism (3) is mounted on the anti-slip mechanism (2); The anti-slip mechanism (2) comprises a guide column (201) fixed inside the spiral column (1); two guide plates (209) are symmetrically and movably sleeved on the outer side of the guide column (201); guide blocks (2011) are fixedly installed on the inner sides of the two guide plates (209); a guide groove (2010) is provided on the outer side of the guide column (201); the two guide blocks (2011) are slidably connected to the guide groove (2010); anti-slip rods (2012) are fixedly installed on the bottoms of the two guide plates (209); and tips (2013) are fixedly installed on the ends of the two anti-slip rods (2012) that are away from each other.
2. The anti-dropping type spiral ground pile according to claim 1, characterized in that: The spiral column (1) is symmetrically provided with two through holes (7), and the two tips (2013) are respectively located in the two through holes (7).
3. The anti-falling type spiral ground pile according to claim 1, characterized in that: A sleeve plate (202) is fixedly installed inside the spiral column (1), and the sleeve plate (202) is fixedly sleeved on the middle part of the outer side of the guide column (201). The sleeve plate (202) is located between two guide plates (209). The top of the sleeve plate (202) is rotatably connected to a screw rod (206), and a hand wheel (204) is fixedly installed on the top of the screw rod (206). The outer side of the screw rod (206) is threadedly sleeved with a lifting plate (2014), and the outer side of the lifting plate (2014) is symmetrically rotatably connected to two movable rods (208), and the ends of the two movable rods (208) away from the lifting plate (2014) are respectively rotatably connected to the two guide plates (209).
4. The anti-dropout type screw pile according to claim 1, characterized in that: An inner disk (205) is fixedly installed inside the spiral column (1), and the inner disk (205) is located between the lifting plate (2014) and the hand wheel (204). The screw rod (206) passes through the inner disk (205) and is rotatably connected to the inner disk (205). Two columns (203) are symmetrically fixedly connected between the inner disk (205) and the sleeve plate (202). The lifting plate (2014) is movably sleeved on the outer sides of the two columns (203). The outer sides of the two columns (203) are fixedly sleeved with limit rings (207), and the lifting plate (2014) is located at the bottom of the two limit rings (207).
5. The anti-fall-off type spiral ground pile according to claim 1, characterized in that: The limiting mechanism (3) comprises a lifting ring (301) movably mounted inside the spiral column (1); the lifting ring (301) is movably sleeved on the outer sides of the two upright columns (203); the lifting ring (301) is located above the lifting plate (2014); two connecting columns (303) are symmetrically fixedly connected between the lifting ring (301) and the lifting plate (2014); two side blocks (302) are symmetrically fixedly connected to the outer side of the lifting ring (301); plug rods (304) are fixedly mounted at the bottoms of the two side blocks (302); and the two plug rods (304) are located on the outer sides of the spiral column (1).
6. The anti-dropout type screw pile according to claim 1, characterized in that: The spiral column (1) is symmetrically provided with two through grooves (6), the two side blocks (302) respectively penetrate the two through grooves (6), and the two side blocks (302) are slidably connected to the spiral column (1) through the two through grooves (6).