CN212506248U

CN212506248U - Bored concrete pile extension protects a section of thick bamboo

Info

Publication number: CN212506248U
Application number: CN202020488720.8U
Authority: CN
Inventors: 欧杨; 李松晏; 李红梅; 邓小孺; 胡钢; 张彦鹏
Original assignee: China Construction Fourth Engineering Division Corp Ltd; China Construction Fourth Bureau First Construction Engineering Co Ltd
Current assignee: China Construction Fourth Engineering Division Corp Ltd; China Construction Fourth Bureau First Construction Engineering Co Ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2021-02-09
Anticipated expiration: 2030-04-07

Abstract

The utility model discloses a bored concrete pile extension protects a section of thick bamboo, protect a section of thick bamboo including first protecting a section of thick bamboo and second, first top of protecting a section of thick bamboo is equipped with annular slide rail, it is equipped with the third and protects a section of thick bamboo to slide to insert in the annular slide rail, the top that a section of thick bamboo was protected to the third and bottom fixed connection that the second protected a section of thick bamboo, a plurality of installation pieces of fixedly connected with on the outer wall of first protecting a section of thick bamboo, be equipped with the cavity in the installation piece, the cavity internal rotation is connected with the screw rod, fixed the cup joint has first gear on the screw rod, be equipped with the second gear with first gear engaged with in the cavity, the inner wall of second gear and cavity passes through the bull stick and rotates the connection, the one end of bull. The utility model discloses in through the setting of an adjustable fender section of thick bamboo, make the height that protects a section of thick bamboo carry out free regulation according to actual use needs to promoted the application scope who protects a section of thick bamboo.

Description

Bored concrete pile extension protects a section of thick bamboo

Technical Field

The utility model relates to a bored concrete pile extension protects a section of thick bamboo belongs to construction technical field.

Background

The cast-in-place pile has the advantages of no vibration, no soil squeezing, low noise, suitability for dense urban building areas and the like during construction, and is widely applied to construction. According to different hole-forming processes, the cast-in-place piles can be divided into cast-in-place piles for dry operation hole forming, cast-in-place piles for mud retaining wall hole forming, cast-in-place piles for manual hole digging and the like.

However, the existing pile casing for the cast-in-place pile is simple in structure, and the pile casing cannot be adjusted in height according to actual needs, so that the application range of the pile casing is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art bored concrete pile and protecting a section of thick bamboo structure comparatively simple, protect a section of thick bamboo and can't carry out the problem of altitude mixture control according to actual need, and a bored concrete pile extension that provides protects a section of thick bamboo.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a lengthened pile casing for a cast-in-place pile comprises a first casing and a second casing, wherein the top of the first casing is provided with an annular slide rail, a third protective cylinder is inserted in the annular slide rail in a sliding way, the top of the third protective cylinder is fixedly connected with the bottom of the second protective cylinder, the outer wall of the first casing is fixedly connected with a plurality of mounting blocks, the mounting blocks are internally provided with cavities, a screw rod is rotationally connected in the cavity, a first gear is fixedly sleeved on the screw rod, a second gear meshed with the first gear is arranged in the cavity, the second gear is rotatably connected with the inner wall of the cavity through a rotating rod, one end of the rotating rod penetrates through the inner wall of the cavity and is fixedly connected with a knob, one end of the screw rod penetrates through the inner top of the cavity and extends upwards, a fixed block is sleeved at one end, extending out of the screw rod, of the screw rod in a threaded mode, and one side of the fixed block is fixedly connected with the outer wall of the second casing.

Furthermore, the third protective cylinder is connected with the inner bottom of the annular slide rail through a plurality of damping shock absorbers.

Furthermore, the top of the screw rod is fixedly connected with a limiting block.

Further, be equipped with the spout on the outer wall of installation piece, fixedly connected with slide bar in the spout, the L type kelly has been cup jointed in the slip on the slide bar, it is equipped with a plurality of draw-in grooves that correspond with L type kelly to surround on the outer wall of knob.

Furthermore, the sliding rod is sleeved with a spring, and two ends of the spring are fixedly connected with the L-shaped clamping rod and the inner wall of the sliding groove respectively.

Furthermore, the outer wall of the third protecting cylinder is connected with a sealing ring in a sliding mode, and one side of the sealing ring is fixedly connected with the top of the first protecting cylinder.

Since the technical scheme is used, the utility model discloses an advantage has below:

1. the knob is rotated firstly, the screw rod is driven to rotate through the meshing action between the first gear and the second gear, so that the third protective cylinder is driven to move in the annular slide rail through the fixing block, the distance between the first protective cylinder and the second protective cylinder is adjusted, and then the knob is fixed by utilizing the L-shaped clamping rod;

2. meanwhile, the spring can play a certain elastic supporting role for the L-shaped clamping rod, the damping shock absorber can play a certain elastic buffering role for the third protective cylinder, and meanwhile, the spring can play a certain elastic supporting role for the L-shaped clamping rod.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the first casing;

fig. 3 is a schematic structural view of a portion a of fig. 1.

Description of reference numerals: 1-a first protective cylinder, 2-a second protective cylinder, 3-a third protective cylinder, 4-an installation block, 5-a screw, 6-a first gear, 7-a second gear, 8-a rotating rod, 9-a knob, 10-a fixed block, 11-a damping shock absorber, 12-a limiting block, 13-a sliding rod, 14-an L-shaped clamping rod, 15-a spring and 16-a sealing ring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides a: referring to fig. 1 to 3, an elongated pile casing for a cast-in-place pile comprises a first pile casing 1 and a second pile casing 2, wherein an annular slide rail is arranged at the top of the first pile casing 1, a third pile casing 3 is slidably inserted into the annular slide rail and used for supporting the first pile casing 1, the top of the third pile casing 3 is fixedly connected with the bottom of the second pile casing 2, a plurality of mounting blocks 4 are fixedly connected to the outer wall of the first pile casing 1 and used for arranging a screw 5, a cavity is arranged in each mounting block 4, a screw 5 is rotatably connected to the cavity and used for driving the second pile casing 2 to move, and a first gear 6 is fixedly sleeved on each screw 5 and used for driving the screw 5 to rotate;

in this embodiment, be equipped with in the cavity with 6 engaged with second gear 7 of first gear, the inner wall of second gear 7 and cavity passes through bull stick 8 and rotates to be connected for drive second gear 7 and rotate, the inner wall and the fixedly connected with knob 9 of cavity are run through to the one end of bull stick 8, the one end of screw rod 5 runs through the interior top of cavity and upwards extends, the one end screw thread that screw rod 5 extends has cup jointed fixed block 10, be used for supporting the second and protect a section of thick bamboo 2, the outer wall fixed connection of a section of thick bamboo 2 is protected with the second to one side of fixed block 10.

In the embodiment, the third casing 3 is connected with the inner bottom of the annular slide rail through a plurality of damping shock absorbers 11, so that a certain shock absorption and buffering effect is achieved on the third casing 3, the top of the screw rod 5 is fixedly connected with a limiting block 12, the outer wall of the mounting block 4 is provided with a sliding chute, a sliding rod 13 is fixedly connected in the sliding chute and used for supporting an L-shaped clamping rod 14, the sliding rod 13 is sleeved with the L-shaped clamping rod 14 in a sliding mode, and a plurality of clamping grooves corresponding to the L-shaped clamping rod 14 are formed in the outer wall of the knob 9 in a surrounding mode;

in this embodiment, the sliding rod 13 is sleeved with a spring 15 to elastically support the L-shaped clamping rod 14, two ends of the spring 15 are respectively fixedly connected to the L-shaped clamping rod 14 and an inner wall of the sliding groove, the outer wall of the third casing 3 is slidably connected with a sealing ring 16 to enhance the sealing performance of the device, and one side of the sealing ring 16 is fixedly connected to the top of the first casing 1.

In this embodiment, rotate knob 9 earlier, through the meshing effect between first gear 6 and the second gear 7, it rotates to drive screw rod 5, thereby it protects a section of thick bamboo 3 and removes in the annular slide rail to drive the third through fixed block 10, adjust first protecting a section of thick bamboo 1 and the second and protect the distance between the section of thick bamboo 2, then utilize L type kelly 14 to fix knob 9, spring 15 can play certain elastic support effect to L type kelly 14 simultaneously, damping shock absorber 11 can protect a section of thick bamboo 3 to the third and play certain elastic buffer effect, spring 15 can play certain elastic support effect to L type kelly 14 simultaneously.

Claims

1. The utility model provides a bored concrete pile extension protects a section of thick bamboo, protects a section of thick bamboo (2) including first fender section of thick bamboo (1) and second, its characterized in that: the top of the first protective cylinder (1) is provided with an annular slide rail, a third protective cylinder (3) is inserted in the annular slide rail in a sliding manner, the top of the third protective cylinder (3) is fixedly connected with the bottom of the second protective cylinder (2), the outer wall of the first protective cylinder (1) is fixedly connected with a plurality of mounting blocks (4), a cavity is arranged in each mounting block (4), a screw rod (5) is connected in the cavity in a rotating manner, a first gear (6) is fixedly sleeved on the screw rod (5), a second gear (7) meshed with the first gear (6) is arranged in the cavity, the second gear (7) is rotatably connected with the inner wall of the cavity through a rotating rod (8), one end of the rotating rod (8) penetrates through the inner wall of the cavity and is fixedly connected with a knob (9), one end of the screw rod (5) penetrates through the inner top of the cavity and extends upwards, and one end of the screw rod (5) in extension is sleeved with a fixing block (10), one side of the fixed block (10) is fixedly connected with the outer wall of the second protective cylinder (2).

2. The bored concrete pile extension casing according to claim 1, wherein: the third protective cylinder (3) is connected with the inner bottom of the annular slide rail through a plurality of damping shock absorbers (11).

3. The bored concrete pile extension casing according to claim 1, wherein: the top of the screw rod (5) is fixedly connected with a limiting block (12).

4. The bored concrete pile extension casing according to claim 1, wherein: be equipped with the spout on the outer wall of installation piece (4), fixedly connected with slide bar (13) in the spout, sliding sleeve has connected L type kelly (14) on slide bar (13), it is equipped with a plurality of draw-in grooves that correspond with L type kelly (14) to surround on the outer wall of knob (9).

5. The bored concrete pile extension casing according to claim 4, wherein: the sliding rod (13) is sleeved with a spring (15), and two ends of the spring (15) are fixedly connected with the L-shaped clamping rod (14) and the inner wall of the sliding groove respectively.

6. The bored concrete pile extension casing according to claim 1, wherein: the outer wall of the third pile casing (3) is connected with a sealing ring (16) in a sliding mode, and one side of the sealing ring (16) is fixedly connected with the top of the first pile casing (1).