CN213448500U - Foundation pit support pile and foundation pit support device - Google Patents

Abstract

The utility model discloses a foundation ditch fender pile and foundation ditch supporting device belongs to building engineering technical field. The foundation pit supporting device comprises a mounting column and extension rods fixedly connected to two sides of the mounting column, wherein telescopic cavities are formed in the extension rods, the extension columns are connected in the telescopic cavities in a sliding mode, a motor is fixedly connected in the mounting column, the output end of the motor is fixedly connected with a lead screw, the lead screw extends into the telescopic cavities and is in threaded connection with the extension columns, one ends, far away from the mounting column, of the extension columns are fixedly connected with first rotating seats, arc-shaped plates are rotatably connected onto the first rotating seats, the side walls of the extension columns are fixedly connected with second rotating seats, reinforcing rods are rotatably connected onto the second rotating seats, and one ends, far away from the second rotating seats, of the reinforcing rods; the utility model discloses an extension rod promotes strutting arrangement's commonality greatly with adjustable, prevents to prop up fender pile inclination, and utilizes the A-frame that the stiffener formed to promote the stability of support, guarantees to support safety.

Description

Foundation pit support pile and foundation pit support device

Technical Field

The utility model relates to a building engineering technical field especially relates to foundation ditch fender pile and foundation ditch supporting device.

Background

The foundation pit support is a retaining, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit.

In the prior art, a foundation pit support usually uses row pile supports, underground continuous wall supports, cement retaining wall supports and other support modes for supporting, when row piles are utilized for supporting, a plurality of groups of row piles are driven into the ground, the row piles are easy to break by a driving head, and when the row piles are connected one by one, the row piles are influenced by the depth of a foundation pit and the activities of engineering vehicles and personnel around the foundation pit, the row piles at the high position are easy to incline towards the interior of the foundation pit, so that the foundation pit sinks or the row piles are toppled over, and therefore a foundation pit support pile and a foundation pit support device with higher safety and stability are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art row's stake and easily inclining to the foundation ditch, the low defect of security and stability, and the foundation ditch fender pile and the excavation supporting device that provide.

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

excavation supporting device, including erection column and the extension rod of fixed connection in the erection column both sides, flexible chamber has been seted up in the extension rod, flexible intracavity sliding connection has the extension column, fixedly connected with motor in the erection column, the output fixedly connected with lead screw of motor, the lead screw extends to flexible intracavity and extends post threaded connection, extend the first seat that rotates of one end fixedly connected with that the erection column was kept away from to the post, it is connected with the arc to rotate on the first seat of rotating, extend post lateral wall fixedly connected with second and rotate the seat, rotate on the second rotates the seat and connect the stiffener, the one end that the second rotated the seat is kept away from to the stiffener rotates and is connected with locking mechanism.

Preferably, the top of the mounting column is fixedly connected with a positioning table, a jack is fixedly connected in the positioning table, a lifting cavity is formed in the mounting column, a lifting column is slidably connected in the lifting cavity, and the output end of the jack is fixedly connected with the top of the lifting column.

Preferably, the bottom of the lifting column is detachably connected with a supporting column, and a flange plate is arranged at the joint of the supporting column and the lifting column.

Preferably, a limit groove is formed in the extension column, and a limit block corresponding to the limit groove is fixedly connected to the inner wall of the telescopic cavity.

Preferably, locking mechanism includes mounting panel and U type bolt, the seat is rotated to fixedly connected with third on the stiffener, the mounting panel rotates to be connected on the third rotates the seat, the connection can be dismantled on the mounting panel to U type bolt.

Foundation pit support pile includes the support pile body, still includes excavation supporting device, the equal fixedly connected with hammering board in multiunit support pile body top, the support pile body cooperatees with arc and U type bolt respectively.

Compared with the prior art, the utility model provides a foundation ditch fender pile and foundation ditch supporting device possesses following beneficial effect:

1. the foundation pit supporting device is characterized in that a positioning platform is fixedly connected with the top of an installation column, a jack is fixedly connected in the positioning platform, a lifting cavity is formed in the installation column, a lifting column is connected in the lifting cavity in a sliding manner, the output end of the jack is fixedly connected with the top of the lifting column, a support column is detachably connected with the bottom of the lifting column, a flange plate is arranged at the joint of the support column and the lifting column, in the using process, if the foundation pit is wide, the extending columns on the two sides need to be pushed out, at the moment, in order to ensure the bearing capacity of the mounting column, a supporting column needs to be additionally arranged at the bottom of the lifting column, the supporting force of the supporting column to the middle of the mounting column is kept, the height of the supporting column can be freely selected according to the depth of the foundation pit on site so as to ensure that the supporting column is abutted against the ground, in addition, the jack can be started to push the lifting column to move up and down, so that the supporting force of the supporting column on the mounting column is further ensured.

2. The foundation pit supporting pile and the foundation pit supporting device ensure that a plurality of groups of supporting pile bodies connected with each other cannot incline towards the inner side of the foundation pit by fixing the supporting pile bodies on the periphery of the foundation pit to be attached to the foundation pit wall, determining whether a baffle needs to be added according to the soil compactness on the periphery of the foundation pit on site to prevent soil from falling off, connecting a plurality of groups of supporting pile bodies one by one at the position of the baffle to enhance the supporting force on the foundation pit wall, for example, further enhancing the supporting force of the supporting pile bodies, placing an installation column in the foundation pit, fixing arc plates and locking mechanisms on two sides on the supporting pile bodies, adjusting the extension length of an extension column according to the width of the foundation pit, specifically, starting a motor to rotate a screw rod to push the extension column with a rectangular cross section out of a telescopic cavity until the arc plates on the two sides are tightly abutted against the outer wall above the supporting pile bodies, and in order to further strengthen the supporting force, the U-shaped bolt can be sleeved on the supporting pile body and fixed on the mounting plate by the bolt to form a triangular support, so that the stability of the extension rod is further strengthened, and the supporting safety is ensured.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses an adjustable extension rod promotes strutting arrangement's commonality greatly, and utilizes the triangular supports who the stiffener formed to promote the stability of support, guarantees to support safety.

Drawings

Fig. 1 is a schematic structural view of a foundation pit supporting device provided by the utility model;

fig. 2 is a schematic structural view of an extension column of the foundation pit supporting device provided by the utility model;

fig. 3 is the utility model provides a foundation ditch fender pile's structural schematic.

In the figure: 1. mounting a column; 101. an extension rod; 1011. a telescoping chamber; 102. a positioning table; 103. a lifting cavity; 104. a lifting column; 105. a support pillar; 2. extending the column; 201. a first rotating base; 202. an arc-shaped plate; 203. a second rotating base; 204. a reinforcing bar; 2041. a third rotating base; 205. mounting a plate; 206. a U-shaped bolt; 207. a limiting groove; 3. a jack; 4. a motor; 401. a screw rod; 5. supporting a pile body; 501. and (5) hammering the 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, the underground structure supporting device, including the extension rod 101 of erection column 1 and fixed connection in the 1 both sides of erection column, flexible chamber 1011 has been seted up in the extension rod 101, sliding connection has extension column 2 in flexible chamber 1011, fixedly connected with motor 4 in the erection column 1, motor 4's output end fixedly connected with lead screw 401, lead screw 401 extends to in flexible chamber 1011 and extends 2 threaded connection of post, the first seat 201 that rotates of one end fixedly connected with that the erection column 1 was kept away from to extension column 2, it is connected with arc 202 to rotate on the first seat 201 to rotate, the seat 203 is rotated to extension column 2 lateral wall fixedly connected with second, rotate on the seat 203 to the second and connect stiffener 204, the one end that the second rotated seat 203 was kept away from to stiffener 204 rotates and is connected with locking mechanism.

The top of the mounting column 1 is fixedly connected with a positioning table 102, a jack 3 is fixedly connected in the positioning table 102, a lifting cavity 103 is arranged in the mounting column 1, a lifting column 104 is connected in the lifting cavity 103 in a sliding manner, the output end of the jack 3 is fixedly connected with the top of the lifting column 104, the bottom of the lifting column 104 is detachably connected with a supporting column 105, a flange plate is arranged at the joint of the supporting column 105 and the lifting column 104, in the using process, if the foundation pit is wide, the extending columns 2 at two sides need to be pushed out, at this time, in order to ensure the bearing capacity of the mounting column 1, the supporting column 105 needs to be additionally arranged at the bottom of the lifting column 104, the supporting force of the supporting column 105 to the middle of the mounting column 1 is kept, the height of the supporting column 105 can be freely selected according to the depth of the foundation pit on site to ensure that the supporting column 105 is abutted against the ground, in addition, the jack 3 can be activated to push the lifting column 104 to move up and down, thereby further ensuring the supporting force of the supporting column 105 on the mounting column 1.

The extending column 2 is provided with a limit groove 207, the inner wall of the telescopic cavity 1011 is fixedly connected with a limit block corresponding to the limit groove 207, the locking mechanism comprises a mounting plate 205 and a U-shaped bolt 206, the reinforcing rod 204 is fixedly connected with a third rotating seat 2041, the mounting plate 205 is rotatably connected to the third rotating seat 2041, and the U-shaped bolt 206 is detachably connected to the mounting plate 205.

Referring to fig. 3, the foundation pit supporting pile comprises a supporting pile body 5 and further comprises a foundation pit supporting device, a hammering plate 501 is fixedly connected to the tops of the multiple groups of supporting pile bodies 5, and the supporting pile bodies 5 are respectively matched with the arc-shaped plate 202 and the U-shaped bolt 206.

In the utility model, when in use, the support pile body 5 is fixed around the foundation pit and is jointed with the foundation pit wall, whether baffles are needed to be added or not is determined according to the soil compactness around the foundation pit on site, so as to prevent the soil from falling off, no matter whether the baffles are added or not, a plurality of groups of support pile bodies 5 are needed to be connected together one by one so as to enhance the supporting force on the foundation pit wall, in order to further enhance the supporting force of the support pile body 5, the mounting post 1 is placed in the foundation pit, the arc plates 202 and the locking mechanisms on both sides are fixed on the support pile body 5, the extension length of the extension post 2 is adjusted according to the width of the foundation pit, specifically, the motor 4 is started to rotate the lead screw 401, the extension post 2 with the rectangular cross section is pushed out of the telescopic cavity 1011 until the arc plates 202 on both sides are tightly abutted against the outer wall above the support pile body 5, so as to ensure that the support pile bodies 5 connected with each other groups can not incline, in addition, in order to further enhance the supporting force, the U-shaped bolt 206 may be sleeved on the support pile body 5 and fixed on the mounting plate 205 by a bolt to form a triangular support, so as to further enhance the stability of the extension column 2 and ensure the safety of the support.

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 (6)

1. Foundation pit supporting device, including erection column (1) and extension rod (101) of fixed connection in erection column (1) both sides, its characterized in that, flexible chamber (1011) has been seted up in extension rod (101), sliding connection has extension column (2) in flexible chamber (1011), fixedly connected with motor (4) in erection column (1), the output end fixedly connected with lead screw (401) of motor (4), lead screw (401) extend to flexible chamber (1011) in with extension column (2) threaded connection, the one end fixedly connected with first rotation seat (201) of erection column (1) is kept away from in extension column (2), rotate on first rotation seat (201) and be connected with arc (202), extension column (2) lateral wall fixedly connected with second rotates seat (203), rotate on second rotation seat (203) and connect stiffener (204), one end of the reinforcing rod (204) far away from the second rotating seat (203) is rotatably connected with a locking mechanism.

2. The foundation pit supporting device according to claim 1, characterized in that a positioning table (102) is fixedly connected to the top of the mounting column (1), a lifting jack (3) is fixedly connected to the inside of the positioning table (102), a lifting cavity (103) is formed in the mounting column (1), a lifting column (104) is slidably connected to the inside of the lifting cavity (103), and the output end of the lifting jack (3) is fixedly connected to the top of the lifting column (104).

3. The foundation pit supporting device according to claim 2, wherein a supporting column (105) is detachably connected to the bottom of the lifting column (104), and a flange is arranged at the joint of the supporting column (105) and the lifting column (104).

4. The foundation pit supporting device according to claim 3, wherein the extending column (2) is provided with a limit groove (207), and a limit block corresponding to the limit groove (207) is fixedly connected to the inner wall of the telescopic cavity (1011).

5. The foundation pit support device according to claim 4, characterized in that the locking mechanism comprises a mounting plate (205) and a U-shaped bolt (206), a third rotating seat (2041) is fixedly connected to the reinforcing rod (204), the mounting plate (205) is rotatably connected to the third rotating seat (2041), and the U-shaped bolt (206) is detachably connected to the mounting plate (205).

6. Foundation pit supporting pile, including supporting pile body (5), characterized by, still include the foundation pit supporting device of any claim 1-5, the equal fixedly connected with hammering board (501) in multiunit supporting pile body (5) top, supporting pile body (5) cooperate with arc (202) and U type bolt (206) respectively.

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