CN210341909U

CN210341909U - Cast-in-situ bored pile protects a section of thick bamboo structure

Info

Publication number: CN210341909U
Application number: CN201920838482.6U
Authority: CN
Inventors: 王方毅; 王士明; 王能永; 苏立; 陈景卫
Original assignee: Hubei Geological Survey Foundation Engineering Co ltd
Current assignee: Hubei Geological Survey Foundation Engineering Co ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-04-17
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses a bored concrete pile protects a structure, establish the support ring seat on protecting a section of thick bamboo including protecting a section of thick bamboo and cover, support ring seat top outer wall rotates and is connected with the loose ring, support ring seat top outer wall is four bar grooves of cross distribution, and four bar inslot wall sliding connection have a side pipe, loose ring top outer wall is opened has the equidistance to be four arc holes that the annular distributes, and four arc hole inner walls equal activities are provided with the pin rod, four the pin rod respectively with four side pipe lateral wall spiro union, the loose ring top has circular support through the bolt fastening, loose ring lateral wall bottom position department has outer ring gear through the bolt fastening. The utility model discloses can support protecting a section of thick bamboo, avoid protecting a section of thick bamboo to one side outward, conveniently adjust and realize that four side pipes draw close simultaneously and spread, conveniently carry out the centre gripping to the section of thick bamboo that protects of different diameters, hoisting device's application scope, the concentricity is better simultaneously.

Description

Cast-in-situ bored pile protects a section of thick bamboo structure

Technical Field

The utility model relates to a bored concrete pile protects a technical field, especially relates to a bored concrete pile protects a section of thick bamboo structure.

Background

The steel retaining cylinder is in the process of rotary digging the cast-in-place pile, and because the soil quality is unstable, the construction of the reinforced concrete retaining wall has great difficulty, so the steel retaining wall is adopted to protect the cast-in-place pile, the hole collapse is prevented, and the construction progress and the safety are prevented from being influenced. Often steel casing is buried to locate the pile position to be drilled. The pile casing is generally a steel pile casing, when the pile casing is positioned, the pile position center is taken as the center of a circle, the pile casing position is determined on the soil according to the radius of the pile casing, and after the pile casing is in place, pressure is applied to embed the pile casing. Whether the pile casing is vertical or not should be checked in the embedding process, and if the pile casing is deviated, the pile casing should be corrected in time.

The existing cast-in-situ bored pile casing structure has the advantages of narrow application range and inconvenient adjustment, so that the cast-in-situ bored pile casing structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a cast-in-situ bored pile casing structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a bored concrete pile protects a structure, establishes the support ring seat on protecting a section of thick bamboo including protecting a section of thick bamboo and cover, support ring seat top outer wall rotates and is connected with the loose ring, support ring seat top outer wall is four bar grooves of cross distribution, and four bar inslot wall sliding connection have a side pipe, loose ring top outer wall is opened has the equidistance to be four arc holes that the annular distributes, and four arc hole inner walls all activity and is provided with the pin rod, four the pin rod respectively with four side pipe lateral wall spiro union, the loose ring top is fixed with circular support through the bolt, loose ring lateral wall bottom position department has outer ring gear through the bolt fastening, and support ring seat top one side outer wall articulates there is the pawl, pawl and outer ring gear meshing.

Preferably, the inner wall of the square tube is spliced with a U-shaped frame, one end of the inner wall of the U-shaped frame is rotatably connected with a rubber wheel, and one end of the square tube is provided with an arc-shaped opening.

Preferably, U type frame one end spiro union has the metal pole, square intraductal wall is equipped with the metal block, and the metal block lateral wall is opened there is the jack, the metal pole is pegged graft with the jack, the metal pole is kept away from U type frame one end spiro union and is had spacing cap.

Preferably, the spring part is sleeved on the side wall of the metal rod, and one end of the spring part is abutted against the side wall of the U-shaped frame.

Preferably, the outer wall of the top end of the support ring seat is fixed with an elastic sheet at a position close to the pawl through a bolt, and the side wall of the elastic sheet is abutted to the pawl.

Preferably, the side wall of the round support is sleeved with an anti-slip sleeve, and the outer wall of the anti-slip sleeve is provided with anti-slip lines.

Preferably, the top end of the side wall of the casing is provided with a limiting convex edge.

The utility model has the advantages that:

1. through the support ring seat that sets up, can support protecting a section of thick bamboo, avoid protecting a section of thick bamboo to one side outward, combine the activity ring that sets up simultaneously, cooperation pin pole and arc hole conveniently adjust and realize that four side's pipes draw close and spread simultaneously, conveniently carry out the centre gripping to protecting a section of thick bamboo of different diameters, hoisting device's application scope, and the concentricity is better simultaneously.

2. Through the pawl that sets up, combine outer ring gear, conveniently carry out one-way locking to the activity ring, conveniently press from both sides tight a section of thick bamboo that protects, combine the rubber wheel and the U type frame that set up, conveniently adjust the depth of insertion that protects a section of thick bamboo.

Drawings

Fig. 1 is a schematic structural view of a cast-in-situ bored pile casing structure provided by the present invention;

fig. 2 is a schematic structural view of a supporting ring seat of a cast-in-situ bored pile casing structure provided by the present invention;

fig. 3 is the utility model provides a partial section structure schematic diagram of a bored concrete pile protects a tubular construction side pipe.

In the figure: the device comprises a protective cylinder 1, a supporting ring seat 2, a square tube 3, an external toothed ring 4, a movable ring 5, a circular support 6, a limiting convex edge 7, a pin rod 8, an arc-shaped hole 9, a pawl 10, an elastic sheet 11, a rubber wheel 12, a U-shaped frame 13, a spring part 14, a metal rod 15 and a metal block 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a bored concrete pile protects a section of thick bamboo structure, including protecting a section of thick bamboo 1 and the support ring seat 2 of cover on protecting a section of thick bamboo 1, 2 top outer walls of support ring seat rotate and are connected with

loose ring

5, 2 top outer walls of support ring seat are four bar grooves of cross distribution, and four bar groove inner walls sliding connection have

square pipe

3, 5 top outer walls of loose ring are opened and are had the equidistance and are four arc holes 9 that the annular distributes, and four arc hole 9 inner walls are all movable and are provided with pin 8, four pin 8 respectively with four side pipe 3 lateral walls spiro union, 5 tops of loose ring are fixed with circular support 6 through the bolt, 5 lateral wall bottom positions department of loose ring has outer ring gear 4 through the bolt fastening, and 2 top one side outer walls of support ring seat articulate has pawl 10, pawl 10 meshes with outer ring gear 4.

The utility model discloses in, 3 inner walls on the side of pipe are pegged graft and are had

U type frame

13, and 13 inner wall one ends on the U type frame are rotated and are connected with

rubber wheel

12, 3 one ends on the side of pipe are equipped with the arc opening, 13 one end spiro union of U type frame has

metal pole

15, 3 inner walls on the side of pipe are equipped with

metal block

16, and 16 lateral walls on metal block open there is the jack, metal pole 15 pegs graft with the jack, metal pole 15 is kept away from 13 one end spiro union of U type frame and is had spacing cap, 15 lateral walls on metal pole have cup jointed

spring part

14, and 14 one end of spring part and 13 lateral wall butts on the U type frame, 2 top outer walls on the supporting ring seat are close to pawl 10 position departments and pass through bolt fastening

flexible piece

11, and 11 lateral walls of elastic piece and 10 butts, 6 lateral walls on the circular support cover are equipped.

The working principle is as follows: during the use, aim at the filling hole with support ring seat 2, then will protect a section of thick bamboo 1 and pass support ring seat 2 and insert in the filling hole, through rotatory circular support 6, thereby it is rotatory to drive the activity ring 5, arc hole and pin rod 8 that the cooperation set up, it gathers together simultaneously to realize four side pipes 3, make rubber wheel 12 with protect a section of thick bamboo 1 lateral wall butt, then adjust and protect a section of thick bamboo 1 and insert suitable degree of depth, continue to rotate circular support 6 again, under the effect of spring part 14, make rubber wheel 12 and U type frame 13 income side pipe 3 in, make 3 tip of side pipe and protect a section of thick bamboo 1 lateral wall butt, the realization is fixed to protecting a section of thick bamboo 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A cast-in-situ bored pile casing structure comprises a casing (1) and a support ring seat (2) sleeved on the casing (1), and is characterized in that the outer wall of the top end of the support ring seat (2) is rotatably connected with a movable ring (5), the outer wall of the top end of the support ring seat (2) is provided with four strip-shaped grooves distributed in a cross shape, the inner walls of the four strip-shaped grooves are slidably connected with square pipes (3), the outer wall of the top end of the movable ring (5) is provided with four arc-shaped holes (9) distributed in an annular shape at equal intervals, the inner walls of the four arc-shaped holes (9) are movably provided with pin rods (8), the four pin rods (8) are respectively in threaded connection with the side walls of the four square pipes (3), the top end of the movable ring (5) is fixed with a circular support (6) through bolts, the bottom end position of the side wall of the movable ring (5) is fixed with an outer toothed ring (, the pawl (10) is engaged with the external gear ring (4).

2. The cast-in-situ bored pile casing structure according to claim 1, wherein a U-shaped frame (13) is inserted into an inner wall of the square pipe (3), and a rubber wheel (12) is rotatably connected to one end of the inner wall of the U-shaped frame (13), and an arc-shaped notch is formed at one end of the square pipe (3).

3. The cast-in-situ bored pile casing structure according to claim 2, wherein a metal rod (15) is screwed to one end of the U-shaped frame (13), a metal block (16) is disposed on an inner wall of the square pipe (3), a jack is formed in a side wall of the metal block (16), the metal rod (15) is inserted into the jack, and a limit cap is screwed to one end of the metal rod (15) far away from the U-shaped frame (13).

4. A cast-in-situ bored pile casing structure according to claim 3, wherein the spring member (14) is sleeved on the side wall of the metal rod (15), and one end of the spring member (14) abuts against the side wall of the U-shaped frame (13).

5. A cast-in-situ bored pile casing structure according to claim 1, wherein the outer wall of the top end of the support ring seat (2) is fixed with an elastic piece (11) at a position close to the pawl (10) by a bolt, and the side wall of the elastic piece (11) abuts against the pawl (10).

6. The cast-in-situ bored pile casing structure according to claim 1, wherein an anti-slip sleeve is sleeved on the side wall of the circular support (6), and anti-slip lines are formed on the outer wall of the anti-slip sleeve.

7. A cast-in-situ bored pile casing structure according to claim 1, wherein a limiting ledge (7) is provided at a top end of a side wall of the casing (1).