CN212896332U

CN212896332U - Over-excavation site bored concrete pile regularization steel protects a structure

Info

Publication number: CN212896332U
Application number: CN202020723338.0U
Authority: CN
Inventors: 王金伟; 严同博; 王康; 罗少平
Original assignee: China Construction Fourth Engineering Division Corp Ltd
Current assignee: China Construction Fourth Engineering Division Corp Ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-04-06
Anticipated expiration: 2030-05-06

Abstract

The utility model discloses an overexcavation place bored concrete pile regularization steel protects a structure, including protecting a section of thick bamboo, the outside slip that protects a section of thick bamboo has cup jointed the sheath, a plurality of sliders of fixedly connected with on the inner wall of sheath, be equipped with the spout that corresponds with the slider on protecting a section of thick bamboo's the outer wall, the spout internal rotation is connected with the screw rod, be equipped with the screw thread mouth that corresponds with the screw rod on the slider, fixedly connected with slide bar in the spout, be equipped with the sliding opening that corresponds with the slide bar on the slider. The utility model discloses in through the setting of a steel casing, accomplish when the bored concrete pile pore-forming, when concreting at last, need not like pouring earlier partly, build by laying bricks or stones the fetal membrane again and increase and be used for pouring another part, can guarantee one shot forming, strengthened the quality of bored concrete pile, accelerated the construction progress again.

Description

Over-excavation site bored concrete pile regularization steel protects a structure

Technical Field

The utility model relates to an overexcavation place bored concrete pile regularization steel protects a section of thick bamboo structure belongs to building engineering pile construction technical field.

Background

Along with the development of the Chinese building market, the building construction speed is faster and faster, the building construction mode of high turnover is not few, the earthwork over-excavation problem occurs occasionally due to the fact that the construction period is tight, and after the earthwork over-excavation, the cast-in-place pile can be connected due to the fact that the effective pile length is not enough. The traditional mode is to use a brick moulding bed to protect the wall, but the construction speed is slow, and the progress is greatly influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient operation, practice thrift construction cost, can improve the efficiency of construction's super digging place bored concrete pile regularization steel protects a section of thick bamboo structure to overcome not enough among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a steel pile casing structure for shaping cast-in-place piles in an over-excavation site comprises a pile casing, wherein a protective sleeve is sleeved on the outer portion of the pile casing in a sliding mode, a plurality of sliding blocks are fixedly connected to the inner wall of the protective sleeve, sliding grooves corresponding to the sliding blocks are formed in the outer wall of the pile casing, a screw rod is connected in the sliding grooves in a rotating mode, threaded openings corresponding to the screw rod are formed in the sliding blocks, sliding rods are fixedly connected to the sliding grooves, sliding openings corresponding to the sliding rods are formed in the sliding blocks, a cavity is formed in the bottom of the pile casing, one end of the screw rod penetrates through the inner wall of the sliding groove and extends into the cavity, a first gear is fixedly sleeved at the extending end of the screw rod, a second gear meshed with the first gear is arranged in the cavity, the second gear and the inner wall of the cavity rotate through a rotating rod, one end of the rotating rod penetrates through the inner, and a plurality of clamping grooves corresponding to the clamping rods are arranged on the outer wall of the protective cylinder in an encircling manner.

Preferably, a plurality of balls are connected in the sliding opening in a sliding mode, and the edges of the balls are in contact with the sliding rod.

Preferably, the rotating rod is rotatably sleeved with a support sleeve, and one side of the support sleeve abuts against the inner wall of the cavity.

Preferably, a clamping sleeve is fixedly sleeved at one end of the clamping rod close to the protective cylinder, and a pull rod is fixedly connected at one end of the clamping rod far away from the clamping sleeve.

Preferably, the clamping rod is sleeved with a spring, and two ends of the spring are fixedly connected with the knob and the pull rod respectively.

Preferably, a plurality of wedge-shaped reinforcing plates are fixedly connected to the outer wall of the sheath.

Since the technical scheme is used, the beneficial effects of the utility model are that:

1. by arranging the steel pile casing, when the hole forming of the cast-in-place pile is completed and concrete is poured at last, one part does not need to be poured firstly, and then the masonry brick moulding bed is heightened to pour the other part, so that the one-step forming can be ensured, the quality of the cast-in-place pile is enhanced, and the construction progress is accelerated;

2. meanwhile, the screw rod can be driven to rotate by rotating the knob and under the meshing action between the first gear and the second gear, so that the height of the sheath can be adjusted through the sliding block.

Drawings

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

FIG. 2 is a schematic side view of the screw;

fig. 3 is a schematic structural view of a portion a of fig. 2.

Description of reference numerals: 1-protective cylinder, 2-protective sleeve, 3-sliding block, 4-screw rod, 5-sliding rod, 6-first gear, 7-second gear, 8-rotating rod, 9-knob, 10-clamping rod, 11-rolling ball, 12-supporting sleeve, 13-clamping sleeve, 14-pull rod, 15-spring and 16-wedge-shaped reinforcing plate.

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: please refer to fig. 1 to 3, a shaped steel pile casing structure for a cast-in-place pile in an overbreak area, comprising a casing 1, a sheath 2 is sleeved outside the casing 1 in a sliding manner and used for placing the deformation of the casing 1, a plurality of sliders 3 are fixedly connected to the inner wall of the sheath 2 and used for supporting the sheath 2, a sliding groove corresponding to the slider 3 is formed in the outer wall of the casing 1, a screw rod 4 is connected to the sliding groove in a rotating manner and used for driving the slider 3 to move up and down, a threaded opening corresponding to the screw rod 4 is formed in the slider 3, a sliding rod 5 is fixedly connected to the sliding groove and used for supporting the slider 4, a sliding opening corresponding to the sliding rod 5 is formed in the slider 4, a cavity is formed in the bottom of the casing 1, and one end. Fixed cover of one end that screw rod 4 extends has connect first gear 6 for drive screw rod 4 rotates, be equipped with in the cavity with first gear 6 engaged with second gear 7, be used for driving first gear 6 and rotate, the inner wall of second gear 7 and cavity passes through bull stick 8 and rotates, the inner wall and the fixedly connected with knob 9 of cavity are run through to the one end of bull stick 8, be used for driving bull stick 8 and rotate, the one end of knob 9 slides and inserts and be equipped with kelly 10, be used for fixed knob 9, it is equipped with a plurality of draw-in grooves that correspond with kelly 10 to encircle on the outer wall of protecting section of thick bamboo 1. Sliding connection has a plurality of balls 11 in the sliding opening, the edge of ball 11 contacts with slide bar 5, reduce the frictional force between slide bar 5 and the sliding opening inner wall, it supports cover 12 to rotate to have cup jointed on the bull stick 8, the one side that supports cover 12 offsets with the inner wall of cavity, prevent that bull stick 8 from rocking, the fixed cover of one end that the kelly 10 is close to protecting section of thick bamboo 1 has connect cutting ferrule 13, the one end fixedly connected with pull rod 14 of cutting ferrule 13 is kept away from to kelly 10, the cover is equipped with spring 15 on the kelly 10, spring 15's both ends respectively with knob 9 and pull rod 14 fixed connection, be used for playing certain elastic support to kelly 10, a plurality of wedge-shaped gusset plates of fixedly connected with 16 on the outer wall of sheath 2, strengthen the.

In the embodiment, through the arrangement of the steel pile casing, when the hole forming of the cast-in-place pile is completed and concrete is poured at last, one part does not need to be poured firstly, and then the masonry brick moulding bed is heightened to pour the other part, so that the one-step forming can be ensured, the quality of the cast-in-place pile is enhanced, and the construction progress is accelerated; meanwhile, the screw rod 4 can be driven to rotate by rotating the knob 9 and under the meshing action between the first gear 6 and the second gear 7, so that the height of the sheath 2 can be adjusted through the sliding block 3.

Claims

1. The utility model provides an overexcavation place bored concrete pile regularization steel protects a structure, includes a pile casing (1), its characterized in that: the outer part of the protective cylinder (1) is sleeved with a protective sleeve (2) in a sliding manner, a plurality of sliding blocks (3) are fixedly connected onto the inner wall of the protective sleeve (2), sliding grooves corresponding to the sliding blocks (3) are formed in the outer wall of the protective cylinder (1), a screw rod (4) is connected into the sliding grooves in a rotating manner, threaded openings corresponding to the screw rod (4) are formed in the sliding blocks (3), sliding rods (5) are fixedly connected into the sliding grooves, sliding openings corresponding to the sliding rods (5) are formed in the sliding blocks (3), a cavity is formed in the bottom of the protective cylinder (1), one end of the screw rod (4) penetrates through the inner wall of the sliding grooves and extends into the cavity, a first gear (6) is fixedly sleeved at one extending end of the screw rod (4), a second gear (7) meshed with the first gear (6) is arranged in the cavity, and the second gear (7) and the inner wall of the cavity rotate, 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 knob (9) is slidably inserted with a clamping rod (10), and a plurality of clamping grooves corresponding to the clamping rod (10) are arranged on the outer wall of the pile casing (1) in an encircling mode.

2. The over-excavation site cast-in-place pile finalized steel casing structure according to claim 1, characterized in that: a plurality of balls (11) are connected in the sliding block (3) in a sliding mode, and the edges of the balls (11) are in contact with the sliding rod (5).

3. The over-excavation site cast-in-place pile finalized steel casing structure according to claim 1, characterized in that: the rotating rod (8) is rotatably sleeved with a support sleeve (12), and one side of the support sleeve (12) is abutted to the inner wall of the cavity.

4. The over-excavation site cast-in-place pile finalized steel casing structure according to claim 1, characterized in that: the clamping sleeve (13) is fixedly sleeved at one end, close to the protective cylinder (1), of the clamping rod (10), and the pull rod (14) is fixedly connected at one end, far away from the clamping sleeve (13), of the clamping rod (10).

5. The over-excavation site cast-in-place pile finalized steel casing structure according to claim 1, characterized in that: the clamp rod (10) is sleeved with a spring (15), and two ends of the spring (15) are fixedly connected with the knob (9) and the pull rod (14) respectively.