Karst area pile foundation protection device

Abstract

The utility model discloses a karst area pile foundation protection device which comprises protection barrels, protection installation holes are formed in the protection barrels, positioning grooves are formed in the upper ends of the protection barrels, positioning blocks are arranged at the lower ends of the protection barrels, the multiple sets of protection barrels are matched with the positioning grooves in an inserted mode through the positioning blocks, and a plurality of reinforcing ribs are arranged on the outer sides of the protection barrels. A positioning groove is formed in the upper end of the protective barrel, a positioning block is arranged at the lower end of the protective barrel, a reinforcing rib is arranged at the lower end of the protective barrel, positioning holes are formed in the reinforcing rib, the vertically-adjacent positioning holes are positioned through inserted longitudinal positioning rods, and meanwhile the adjacent inserted and positioned longitudinal positioning rods are arranged in a vertically staggered mode. When a plurality of protective cylinders are longitudinally mounted and fixed, the positioning blocks are inserted into the positioning grooves, then one protective cylinder is horizontally rotated, and the locking grooves of the positioning blocks are clamped outside the limiting bulges on the inner walls of the positioning grooves, so that the upper and lower protective cylinders are quickly mounted and fixed, the mounting and fixing stability is higher, and the mounting and the fixing are convenient and quick.

Description

TECHNICAL FIELD

[0001] The utility model relates to pile foundation protection technical field, concretely is a karst area pile foundation protection device. BACKGROUND

[0002] Karst area mainly concentrates in southwest area, and karst area of southwest area accounts for more than one third of the area of southwest area's territory area;Karst area has the characteristics of complex topography and geomorphology, fragile ecological environment, weak traffic and other infrastructure;Karst area is prone to gushing, ground deformation, collapse and other accidents under the action of the weight of rock-soil body or building and groundwater due to the existence of adverse geological conditions such as karst cave, soil cave, fissure and underground river;Therefore, the pile foundation needs to be protected during the construction process of building pile foundation in karst area.

[0003] In the prior art, the application number of a karst area pile foundation protection device is CN202223047711.3, which comprises a protection cylinder, the protection cylinder comprises a protection inner cylinder and a protection outer cylinder, the protection outer cylinder is tightly arranged on the inner wall of the pile hole, a pouring cavity is formed between the protection inner cylinder and the protection outer cylinder, and a connecting hole is formed in the protection outer cylinder. The protection inner cylinder and the protection outer cylinder are inserted into the pile hole, so that the protection outer cylinder is tightly arranged on the inner wall of the pile hole, then the pouring cavity is poured with concrete first, the concrete penetrates into the soil layer through the connecting hole and fills the cracks in the soil layer and the cracks in the karst cave, until the liquid surface of the concrete is flush with the top end of the protection inner cylinder, then the protection inner cylinder is poured with concrete, and the pile foundation is formed after the concrete solidifies. By grouting the cracks in the soil layer, the probability of soil loss at the connection between the protection outer cylinder and the soil layer is reduced, thereby reducing the probability of cracks at the connection between the protection cylinder and the soil, and improving the stability of the pile foundation. However, it is not convenient to quickly install and fix the protection cylinder bodies, and the stability of the installation and fixation is low, and the use of disassembly and assembly is not convenient. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a karst area pile foundation protection device to solve the problems of inconvenient quick installation and fixation of protection cylinder bodies in the prior art, low stability of installation and fixation, and inconvenient use of disassembly and assembly.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a karst area pile foundation protection device, comprising a protection cylinder body, a protection installation hole is arranged in the protection cylinder body, a positioning groove is arranged at the upper end of the protection cylinder body, a positioning block is arranged at the lower end of the protection cylinder body, and a plurality of groups of the protection cylinder body are inserted and matched with the positioning groove through the positioning block, a plurality of reinforcing ribs are arranged on the outer side of the protection cylinder body, a positioning hole is arranged in the reinforcing rib, the positioning holes adjacent to each other are positioned by the longitudinally positioned rods inserted therebetween, and the longitudinally positioned rods positioned adjacent to each other are arranged in an up-and-down staggered manner.

[0006] Further, the positioning slots are annular arrays, and a plurality of positioning blocks are arranged one by one in correspondence with the positioning slots.

[0007] Further, the positioning slots are arc-shaped slots, and the positioning blocks are arc-shaped blocks, and the transverse length of the positioning blocks is smaller than that of the positioning slots.

[0008] Further, the inner wall of the positioning slot is provided with a limiting protrusion, and one side of the positioning block is provided with a locking slot transversely connected with the limiting protrusion.

[0009] Further, the two end faces of the protective cylinder are further provided with a first sealing protective layer and a second sealing protective layer, and the first sealing protective layer and the second sealing protective layer are both wear-resistant rubber layers.

[0010] Further, one side of the second sealing protective layer is provided with a sealing groove, and one side of the first sealing protective layer is provided with a sealing protruding rib.

[0011] Further, one end of the longitudinal positioning rod is provided with a limiting plate, and the upper end of the limiting plate is provided with a pull ring.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses a positioning slot is arranged on the upper end of the protective cylinder, and a positioning block is arranged on the lower end of the protective cylinder, when a plurality of protective cylinders are vertically installed and fixed, the positioning block is inserted into the positioning slot, then one protective cylinder is horizontally rotated and the locking slot of the positioning block is connected outside the limiting protrusion of the inner wall of the positioning slot, so that the upper and lower protective cylinders are quickly installed and fixed, the stability of installation and fixation is high, and the protective cylinder is convenient to disassemble and assemble.

[0014] 2. The utility model discloses that a plurality of reinforcing ribs are arranged on the outer side of the protective cylinder, so that the external structural strength of the protective cylinder is increased, the positioning hole is arranged in the reinforcing rib, the upper and lower adjacent positioning holes are positioned through the longitudinal positioning rod, the upper and lower adjacent longitudinal positioning rods are staggered, so that the upper and lower butt-jointed protective cylinders are conveniently positioned along the axial direction, and the stability of installation and fixation of the upper and lower adjacent protective cylinders is further improved.

[0015] 3. The utility model discloses that the first sealing protective layer and the second sealing protective layer are arranged on the two end faces of the protective cylinder, and the first sealing protective layer and the second sealing protective layer are both wear-resistant rubber layers, one side of the second sealing protective layer is provided with a sealing groove, and one side of the first sealing protective layer is provided with a sealing protruding rib, so that the sealing protruding rib is connected in the sealing groove, and the sealing property of the adjacent two protective cylinders is improved. DRAWINGS

[0016] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0017] Figure 1 It is a schematic view of the overall installation structure of the present application;

[0018] Figure 2 It is a schematic view of the first visual angle protection cylinder structure of the present application;

[0019] Figure 3 It is a schematic view of the second visual angle protection cylinder structure of the present application;

[0020] Figure 4 It is a schematic view of the longitudinal positioning rod structure of the present application.

[0021] In the drawing: 1, protection cylinder; 2, reinforcing rib; 3, positioning groove; 4, positioning hole; 5, longitudinal positioning rod; 6, positioning block; 7, locking groove; 8, protection installation hole; 9, limiting protrusion; 10, limiting plate; 11, pull ring; 12, first sealing protection layer; 13, second sealing protection layer; 14, sealing groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4The utility model discloses a karst region pile foundation protection device, including protection cylinder 1, protection cylinder 1 inside is equipped with protection mounting hole 8, protection cylinder 1 upper end is equipped with positioning groove 3, protection cylinder 1 lower extreme is equipped with locating block 6, positioning groove 3 is annular array and is equipped with a plurality of, locating block 6 and positioning groove 3 one to one upper and lower multiple setting, positioning groove 3 is arc slot, locating block 6 is arc insert block, and the transverse length of locating block 6 is less than the transverse length of positioning groove 3, and protection cylinder 1 is inserted with positioning groove 3 and is equipped with multiple groups through locating block 6, the inner wall of positioning groove 3 is equipped with limit protruding 9, one side of locating block 6 is equipped with the locking slot 7 of transverse joint with limit protruding 9, insert locating block 6 into positioning groove 3, then horizontal rotation a protection cylinder 1 and make the locking slot 7 of locating block 6 joint in the outer portion of the limit protruding 9 of the inner wall of positioning groove 3, realize the quick installation and fixation of upper and lower protection cylinder 1, and the stability of installation and fixation is higher, and the dismounting is convenient and fast.

[0024] As Figure 1 And Figure 2 Shown, to further improve the stability of the installation and fixation of adjacent protection cylinder 1, still be equipped with a plurality of reinforcing ribs 2 on the outside of protection cylinder 1, increase the structural strength of the outside of protection cylinder 1, the inside of reinforcing rib 2 is equipped with positioning hole 4, and the adjacent positioning hole 4 between upper and lower is positioned through the longitudinal positioning rod 5 of insertion, and the longitudinal positioning rod 5 of adjacent insertion positioning is up and down staggered arrangement, so that it is convenient to position the upper and lower butt joint protection cylinder 1 along the axial processing, is favorable to further improve the stability of the installation and fixation of adjacent protection cylinder 1.

[0025] As Figure 2 And Figure 3 Shown, to improve the sealing property of the installation of adjacent two protection cylinder 1, still be equipped with first sealing protection layer 12 and second sealing protection layer 13 on the both ends of protection cylinder 1, and first sealing protection layer 12 and second sealing protection layer 13 are all wear-resistant rubber layer, one side of second sealing protection layer 13 is equipped with sealing groove 14, one side of first sealing protection layer 12 is equipped with sealing convex rib, so that by the joint in sealing groove 14 of sealing convex rib, it is convenient to improve the sealing property of the installation of adjacent two protection cylinder 1.

[0026] As Figure 1 And Figure 4 Shown, to be convenient for the longitudinal limit of two protection cylinder 1, still be equipped with limit plate 10 in longitudinal positioning rod 5 one end, and the upper end of limit plate 10 is equipped with pull ring 11, and longitudinal positioning rod 5 is stainless steel pipe, so that the stability of longitudinal positioning rod 5 positioning is higher, and the dismounting is convenient and fast.

[0027] The utility model discloses a working principle and use flow: when using, through the positioning groove 3 of the protection cylinder 1 upper end is equipped with, the positioning block 6 of protection cylinder 1 lower end is equipped with, when installing fixedly to multiple protection cylinder 1 longitudinal, will the positioning block 6 insert into the positioning groove 3, then horizontal rotation a protection cylinder 1 and make the locking slot 7 of positioning block 6 and connect in the outer portion of the limiting protruding 9 of positioning groove 3 inner wall, realize the quick installation fixed of upper and lower protection cylinder 1, and the stability of installation fixed is higher, and the dismounting is convenient and fast.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the utility model and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical feature. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A pile foundation protection device for karst areas, comprising a protective cylinder (1), characterized in that: The upper end of the protective cylinder (1) is provided with a positioning groove (3), and the lower end of the protective cylinder (1) is provided with a positioning block (6). The protective cylinder (1) is fitted with the positioning groove (3) by the positioning block (6) in multiple sets. The outer side of the protective cylinder (1) is provided with multiple reinforcing ribs (2). The inside of the reinforcing ribs (2) is provided with positioning holes (4). The upper and lower adjacent positioning holes (4) are positioned by the inserted longitudinal positioning rods (5). At the same time, the adjacent inserted longitudinal positioning rods (5) are staggered.

2. The pile foundation protection device for karst areas according to claim 1, characterized in that: The positioning slots (3) are arranged in a ring array, and the positioning blocks (6) are arranged in multiple ways corresponding to the positioning slots (3).

3. A pile foundation protection device for karst areas according to claim 2, characterized in that: The positioning groove (3) is an arc-shaped groove, the positioning block (6) is an arc-shaped insert, and the lateral length of the positioning block (6) is less than the lateral length of the positioning groove (3).

4. A pile foundation protection device for karst areas according to claim 3, characterized in that: The inner wall of the positioning groove (3) is provided with a limiting protrusion (9), and the positioning block (6) is provided with a locking groove (7) on one side that is laterally engaged with the limiting protrusion (9).

5. A pile foundation protection device for karst areas according to claim 1, characterized in that: The protective cylinder (1) is further provided with a first sealing protective layer (12) and a second sealing protective layer (13) on both ends, and the first sealing protective layer (12) and the second sealing protective layer (13) are both wear-resistant rubber layers.

6. A pile foundation protection device for karst areas according to claim 5, characterized in that: The second sealing layer (13) has a sealing groove (14) on one side, and the first sealing layer (12) has a sealing rib on one side.

7. A pile foundation protection device for karst areas according to claim 1, characterized in that: The longitudinal positioning rod (5) has a limiting plate (10) at one end, and a pull ring (11) is provided at the upper end of the limiting plate (10).

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