Pile casing for cast-in-situ bored pile

Abstract

The utility model provides a pile casing for a cast-in-situ bored pile, relates to the technical field of highway engineering construction auxiliary structures, and aims to solve the problems that most steel pile casings are difficult to assemble and splice quickly, unnecessary construction preparation time is increased, and the strength of the assembling and splicing parts of the steel pile casings is low. Comprising a butt joint supporting cylinder, a protection supporting cylinder, an assembly carrying seat and a closed top cover. Butt-joint clamping grooves are formed in the two sides of the butt-joint supporting cylinder, and a locking supporting block is fixedly arranged on the outer side of the butt-joint supporting cylinder; the protection branch cylinders are arranged at the two ends of the butt joint branch cylinder. The assembling carrying seat is arranged on the outer side of the threaded carrying cylinder in a sleeving manner; the closed top cover is arranged at the top of the assembly carrying seat; the butt joint supporting blocks enable the protection supporting cylinders to conduct positioning butt joint on the two sets of butt joint supporting cylinders, the locking supporting holes are matched with the locking bolts to conduct butt joint locking on the butt joint supporting cylinders, the butt joint clamping grooves are matched with the butt joint clamping blocks to conduct butt joint reinforcing on the protection supporting cylinders, meanwhile, the reinforcing supporting columns reinforce the surfaces of the protection supporting cylinders, and a follow-up protection cylinder can be conveniently, rapidly and stably taken out.

Description

Technical Field

[0001] The utility model belongs to the technical field of auxiliary structures for highway engineering construction. More specifically, the utility model particularly relates to a casing for bored cast-in-place piles. Background Art

[0002] A bored cast-in-place pile refers to a pile formed by means of mechanical drilling, steel pipe soil extrusion or manual excavation on the construction site in the foundation soil, and a steel cage is placed therein and concrete is poured. According to different hole-forming methods, cast-in-place piles can be divided into several categories such as pipe-sinking cast-in-place piles, bored cast-in-place piles and dug cast-in-place piles. A steel casing is required during the construction of a rotary bored cast-in-place pile.

[0003] Based on the above, most current steel casings are difficult to be quickly assembled and spliced, which increases unnecessary construction preparation time and reduces construction efficiency. At the same time, the strength of the assembled and spliced parts of the steel casing is relatively low, and it is difficult to stably remove the steel casing after use. Summary of the Utility Model

[0004] In order to solve the above technical problems, the utility model provides a casing for bored cast-in-place piles to solve the problems that most steel casings are difficult to be quickly assembled and spliced, which increases unnecessary construction preparation time and reduces construction efficiency. At the same time, the strength of the assembled and spliced parts of the steel casing is relatively low, and it is difficult to stably remove the steel casing after use.

[0005] The casing for bored cast-in-place piles of the utility model is achieved by the following specific technical means:

[0006] A casing for bored cast-in-place piles includes a butt joint cylinder, a protection cylinder, an assembly carrier seat and a closed top cover;

[0007] Butt joint grooves are formed on both sides of the butt joint cylinder. Locking support blocks are fixedly arranged on the outer side of the butt joint cylinder. Locking support grooves are formed at both ends of the locking support blocks. Locking openings are formed on the side surface of the locking support blocks. The protection cylinder is arranged at both ends of the butt joint cylinder. A threaded carrier cylinder is fixedly installed at one end of the protection cylinder. Installation grooves are formed on the outer side of the threaded carrier cylinder. Butt joint support blocks are fixedly arranged on the outer side of the protection cylinder. Locking support holes are formed on the outer side of the butt joint support blocks. Locking bolts are arranged inside the locking support holes. The assembly carrier seat is sleeved on the outer side of the threaded carrier cylinder. Installation openings are formed on the outer side of the assembly carrier seat. Installation bolts are arranged inside the installation openings. The closed top cover is arranged on the top of the assembly carrier seat.

[0008] In at least some embodiments, the side surface of the locking support block is further provided with: a positioning opening and a positioning bolt;

[0009] The positioning opening is formed on the side surface of the locking support block; the positioning bolt is arranged inside the positioning opening.

[0010] In at least some embodiments, the outer side of the protection cylinder is further provided with: reinforcing struts and docking blocks;

[0011] The reinforcing struts are fixedly arranged on the outer side of the protection cylinder; the docking blocks are fixedly installed at one end of the protection cylinder.

[0012] In at least some embodiments, the outer side of the docking support block is further provided with: positioning support blocks and positioning grooves;

[0013] The positioning support blocks are fixedly installed at one end of the docking support block; the positioning grooves are formed on the side surface of the docking support block.

[0014] In at least some embodiments, the top of the assembly carrier is further provided with: installation support grooves, threaded cylinders and threaded hooks;

[0015] The installation support grooves are formed on the top of the assembly carrier; the threaded cylinders are fixedly arranged inside the installation support grooves; the threaded hooks are fixedly installed inside the threaded cylinders.

[0016] In at least some embodiments, the side surface of the closed top cover is further provided with: load-bearing grooves and fixing bolts;

[0017] The load-bearing grooves are formed on the side surface of the closed top cover; the fixing bolts are arranged inside the load-bearing grooves.

[0018] A casing for bored cast-in-place piles provided by the present utility model has the following beneficial effects:

[0019] By providing a docking cylinder, a protection cylinder, an assembly carrier and a closed top cover, the protection cylinder positions and docks two groups of docking cylinders through the docking support blocks. At the same time, the locking holes cooperate with the locking bolts to lock and dock the docking cylinders, and the docking slots cooperate with the docking blocks to reinforce the docking of the protection cylinder. At the same time, the reinforcing struts can reinforce the surface of the protection cylinder, making it convenient to quickly and stably remove the subsequent casing. The docking cylinder assembles the assembly carrier through the threaded carrier cylinder, and the threaded hooks can be fixedly arranged on the top of the assembly carrier through the threaded cylinders, so that the whole casing is hoisted and arranged at a suitable construction position through the threaded hooks, and the top of the whole casing set is shielded and protected by the closed top cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a structural schematic diagram of the overall assembly and hoisting of the casing of the present utility model;

[0021] Figure 2 is a structural schematic diagram of the overall assembly and closing of the casing of the present utility model;

[0022] Figure 3 is a structural schematic diagram of the overall component assembly and disassembly of the docking cylinder of the present utility model;

[0023] Figure 4 It is a structural schematic diagram of the overall component structure of the protection support cylinder of the present utility model disassembled and arranged;

[0024] Figure 5 It is a structural schematic diagram of the overall component structure of the assembly carrier seat of the present utility model disassembled and arranged;

[0025] Figure 6 It is a structural schematic diagram of the overall component structure of the closed top cover of the present utility model disassembled and arranged.

[0026] Reference numerals:

[0027] 1. Docking support cylinder;

[0028] 101. Docking card slot; 102. Locking support block; 103. Locking support groove; 104. Locking opening; 105. Positioning opening; 106. Positioning bolt;

[0029] 2. Protection support cylinder;

[0030] 201. Reinforcement pillar; 202. Threaded carrier cylinder; 203. Installation slot; 204. Docking card block; 205. Docking support block; 206. Locking support hole; 207. Locking bolt; 208. Positioning support block; 209. Positioning slot;

[0031] 3. Assembly carrier seat;

[0032] 301. Installation opening; 302. Installation bolt; 303. Installation support groove; 304. Threaded support cylinder; 305. Threaded hook;

[0033] 4. Closed top cover;

[0034] 401. Bearing slot; 402. Fixed bolt. Specific implementation mode

[0035] The following further describes the implementation mode of the present utility model in detail in conjunction with the drawings and embodiments.

[0036] Embodiment 1: As Figures 1 to 6 shown, a casing for bored cast-in-place pile provided by the present utility model includes a docking support cylinder 1, a protection support cylinder 2, an assembly carrier seat 3 and a closed top cover 4;

[0037] On both sides of the docking support cylinder 1, docking card slots 101 are provided. On the outside of the docking support cylinder 1, locking support blocks 102 are fixedly arranged. At both ends of the locking support blocks 102, locking support grooves 103 are provided. On the side surface of the locking support blocks 102, locking openings 104 are provided; The protection support cylinder 2 is arranged at both ends of the docking support cylinder 1. At one end of the protection support cylinder 2, a threaded carrier cylinder 202 is fixedly installed. On the outside of the threaded carrier cylinder 202, installation slots 203 are provided. On the outside of the protection support cylinder 2, docking support blocks 205 are fixedly arranged. On the outside of the docking support blocks 205, locking support holes 206 are provided. Inside the locking support holes 206, locking bolts 207 are arranged; The assembly carrier base 3 is sleeved on the outside of the threaded carrier cylinder 202. On the outside of the assembly carrier base 3, installation openings 301 are provided. Inside the installation openings 301, installation bolts 302 are arranged; The closed top cover 4 is arranged on the top of the assembly carrier base 3.

[0038] Embodiment 2: As Figures 3 to 6 shown, on the top of the assembly carrier base 3, there are also provided: an installation support groove 303, a threaded support cylinder 304, and a threaded hook 305; The installation support groove 303 is provided on the top of the assembly carrier base 3; The threaded support cylinder 304 is fixedly arranged inside the installation support groove 303; The threaded hook 305 is fixedly installed inside the threaded support cylinder 304; On the side surface of the closed top cover 4, there are also provided: a bearing slot 401 and a fixing bolt 402; The bearing slot 401 is provided on the side surface of the closed top cover 4; The fixing bolt 402 is arranged inside the bearing slot 401; Through the cooperation of the bearing slot 401 and the fixing bolt 402, the closed top cover 4 can be assembled and fixed.

[0039] Embodiment 3: As Figures 2 to 5 shown, on the side surface of the locking support block 102, there are also provided: a positioning opening 105 and a positioning bolt 106; The positioning opening 105 is provided on the side surface of the locking support block 102; The positioning bolt 106 is arranged inside the positioning opening 105; On the outside of the protection support cylinder 2, there are also provided: a reinforcement pillar 201 and a docking block 204; The reinforcement pillar 201 is fixedly arranged on the outside of the protection support cylinder 2; The docking block 204 is fixedly installed at one end of the protection support cylinder 2; On the outside of the docking support block 205, there are also provided: a positioning block 208 and a positioning slot 209; The positioning block 208 is fixedly installed at one end of the docking support block 205; The positioning slot 209 is provided on the side surface of the docking support block 205; Through the cooperation of the reinforcement pillar 201 and the docking block 204, the docking and assembly of the protection support cylinder 2 can be strengthened.

[0040] The specific usage method and function of this embodiment: During use, the protection support cylinder 2 fixes and assembles the two groups of docking support cylinders 1 through the docking support block 205. The docking support cylinder 1 assembles the assembly carrier base 3 through the threaded carrier cylinder 202, so that the entire protection cylinder is hoisted and arranged at a suitable construction position through the threaded hook 305, and the top end of the arranged protection cylinder is shielded and protected by the closed top cover 4.

Claims

1. A casing for bored cast-in-place pile, comprising a butt joint support cylinder (1), a protection support cylinder (2), an assembly carrier (3) and a closed top cover (4); The docking support cylinder (1) is provided with docking card slots (101) on both sides, a locking support block (102) is fixedly arranged on the outer side of the docking support cylinder (1), locking support grooves (103) are formed at both ends of the locking support block (102), and a locking opening (104) is formed on the side surface of the locking support block (102); it is characterized in that, The protection support cylinder (2) is arranged at both ends of the butt joint support cylinder (1). A threaded carrier cylinder (202) is fixedly installed at one end of the protection support cylinder (2). An installation slot (203) is formed on the outer side of the threaded carrier cylinder (202). A butt joint support block (205) is fixedly arranged on the outer side of the protection support cylinder (2). A locking support hole (206) is formed on the outer side of the butt joint support block (205). A locking bolt (207) is arranged inside the locking support hole (206). The assembly carrier (3) is sleeved on the outer side of the threaded carrier cylinder (202). An installation hole (301) is formed on the outer side of the assembly carrier (3). An installation bolt (302) is arranged inside the installation hole (301). The closed top cover (4) is arranged on the top of the assembly carrier (3).

2. The casing for bored cast-in-place pile according to claim 1, wherein, On the side of the locking support block (102), there are also provided: a positioning hole (105) and a positioning bolt (106); The positioning hole (105) is formed on the side of the locking support block (102); the positioning bolt (106) is arranged inside the positioning hole (105).

3. The casing for bored cast-in-place pile according to claim 1, wherein, On the outer side of the protection support cylinder (2), there are also provided: a reinforcing pillar (201) and a butt joint clamping block (204); The reinforcing pillar (201) is fixedly arranged on the outer side of the protection support cylinder (2); the butt joint clamping block (204) is fixedly installed at one end of the protection support cylinder (2).

4. The casing for bored cast-in-place pile according to claim 1, characterized in that, On the outer side of the butt joint support block (205), there are also provided: a positioning block (208) and a positioning slot (209); The positioning block (208) is fixedly installed at one end of the butt joint support block (205); the positioning slot (209) is formed on the side of the butt joint support block (205).

5. The casing for bored cast-in-place pile according to claim 1, characterized in that, On the top of the assembly carrier (3), there are also provided: an installation support groove (303), a threaded support cylinder (304) and a threaded hook (305); The installation support groove (303) is formed on the top of the assembly carrier (3); the threaded support cylinder (304) is fixedly arranged inside the installation support groove (303); the threaded hook (305) is fixedly installed inside the threaded support cylinder (304).

6. The casing for bored cast-in-place pile according to claim 1, characterized in that, On the side of the closed top cover (4), there are also provided: a bearing slot (401) and a fixing bolt (402); The bearing slot (401) is formed on the side of the closed top cover (4); the fixing bolt (402) is arranged inside the bearing slot (401).

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