CN212714966U

CN212714966U - Deformation-preventing supporting device for foundation pit

Info

Publication number: CN212714966U
Application number: CN202021329147.2U
Authority: CN
Inventors: 钟京旭; 刘志坚; 刘玲玲; 刘焕毫; 曾德运
Original assignee: Guangdong Hengshi Construction Engineering Co ltd
Current assignee: Guangdong Hengshi Construction Group Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-03-16
Anticipated expiration: 2030-07-09

Abstract

The application relates to a foundation pit deformation prevention supporting device which comprises a supporting and protecting plate, a bottom plate and a supporting rod; one end of the supporting and protecting plate is hinged with one end of the bottom plate, one end of the supporting rod is rotatably connected with the bottom plate, the other end of the supporting rod is detachably connected with the supporting plate, and a triangle is formed among the supporting rod, the bottom plate and the protecting plate; and one end of the supporting plate is provided with a bending part towards the direction far away from the side surface of the foundation pit. This application has the stability when increasing the strutting arrangement and strutting through setting up backplate, bottom plate and bracing piece, and the effect of convenience when increasing the strutting arrangement and strutting the foundation ditch.

Description

Deformation-preventing supporting device for foundation pit

Technical Field

The application relates to the technical field of foundation pit side wall support, in particular to a deformation-preventing support device for a foundation pit.

Background

With the acceleration of urbanization progress and the construction of buildings in various places, the building industry becomes the hot industry among people, and the first step of building the building is to dig a foundation pit. The foundation pit support is a supporting, blocking, 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.

At present, for example, the Chinese utility model with the publication number of CN208733646U discloses an inner supporting structure of a foundation pit, which comprises a base, a foundation pit and a reinforced concrete enclosing wall, wherein the foundation pit is vertically arranged on the base, the reinforced concrete enclosing wall is arranged on the inner wall of the foundation pit, and inside vertical many first strengthening ribs of installing of reinforced concrete enclosure, the vertical stand pile of installing in inside at the bottom base of foundation ditch, the vertical stand that is connected with in top of stand pile, supreme equidistance is equipped with a plurality of strutting arrangement down to the stand, strutting arrangement establishes the movable joint on the stand including the cover, through a plurality of locking bolt fixed connection between movable joint and the stand, the both ends symmetry horizontally connect of movable joint has the connecting pipe, one side that two connecting pipes kept away from each other all is connected with the fixed plate, the welding has solid fixed ring on the first strengthening rib of fixed plate correspondence position, gu be connected through a plurality of fixing bolt between fixed ring and the fixed plate. This bearing structure in foundation ditch, the effectual stability that improves the foundation ditch.

To the correlation technique among the above-mentioned, the inventor thinks this foundation ditch bearing structure uses concrete enclosure and concrete fixed column to support, if the concrete enclosure adopts prefabricated wall body, the degree of difficulty is big when hoisting into the foundation ditch, if the concrete enclosure adopts cast-in-place mode to make, it pours and the maintenance time is long for the engineering time is long, need demolish bearing structure after the construction finishes, the dead weight of concrete is big, demolish the degree of difficulty greatly, so caused the inconvenience for the protection of foundation ditch.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of convenient support of foundation ditch, this application provides a deformation supporting device is prevented to foundation ditch.

The application provides a pair of deformation supporting device is prevented to foundation ditch adopts following technical scheme:

a foundation pit deformation prevention supporting device comprises a supporting and protecting plate, a bottom plate and a supporting rod; one end of the supporting and protecting plate is hinged with one end of the bottom plate, one end of the supporting rod is rotatably connected with the bottom plate, the other end of the supporting rod is detachably connected with the supporting plate, and a triangle is formed among the supporting rod, the bottom plate and the supporting plate; and one end of the supporting plate is provided with a bending part towards the direction far away from the side surface of the foundation pit.

By adopting the technical scheme, when the supporting device is used for supporting the foundation pit, a plurality of groups of supporting device devices are needed to be matched with each other to support the foundation pit, so that the bent part of the adjacent supporting plate is abutted against one end of the other supporting plate, which is far away from the bent part, and the adjacent supporting plates are tightly sealed, thereby reducing the falling of soil from the gap between the adjacent supporting plates; make the side butt of a backplate and foundation ditch, the bottom plate supports with the bottom surface butt of foundation ditch, then makes the bracing piece support a backplate, and then makes and form triangle-shaped between bottom plate, bracing piece and the supporting plate, and then increases the stability when strutting arrangement struts, increases the convenience when strutting arrangement struts the foundation ditch.

Preferably, one end of the bending part of the supporting plate and one end opposite to the bending part are correspondingly provided with connecting cylinders, and the connecting cylinders are coaxially sleeved with connecting rods.

Through adopting above-mentioned technical scheme, when strutting the foundation ditch, need use multiunit supporting device to strut the foundation ditch for the one end butt of the portion of bending is kept away from with another supporting plate to the portion of bending of adjacent backplate, thereby makes the connecting cylinder on two adjacent backplates correspond, and then passes the connecting cylinder on two backplate with the connecting rod, and then realizes the locking between two backplate, increases the stability of backplate when strutting the foundation ditch.

Preferably, the supporting and protecting plate is fixedly provided with a sliding rail along the depth direction of the foundation pit, the supporting rod is rotatably provided with a sliding block corresponding to the sliding rail, and the sliding block is connected with the sliding rail in a sliding manner; the sliding block is provided with a lock hole, the sliding rail is provided with a plurality of through holes along the length direction of the sliding rail, and the sliding block and the sliding rail are fixedly connected through the lock rod to penetrate through the lock hole.

Through adopting above-mentioned technical scheme, after adjusting bottom plate and supporting plate, adjust the bracing piece for slider on the bracing piece and slide rail take place relative slip, then make the locking lever pass lockhole on the slider and the through-hole on the slide rail, realize the locking between slider and the slide rail, when adjusting the relative position between slider on the bracing piece and the slide rail, can find the bracing piece to the best support position of a backplate, and then increase supporting device's strut effect.

Preferably, the support rod comprises a first screw rod, a second screw rod and an operation barrel, and the thread directions of the first screw rod and the second screw rod are opposite; threaded holes are formed in two ends of the operating cylinder, the thread directions of the threaded holes in the two ends of the operating cylinder are opposite, and the first screw rod and the second screw rod are respectively in threaded connection with the two ends of the operating cylinder; one end of the first screw rod, which is far away from the operation cylinder, is rotatably connected with the bottom plate, and one end of the second screw rod, which is far away from the operation cylinder, is rotatably connected with the sliding block.

Through adopting above-mentioned technical scheme, after adjusting the relative position between bracing piece and the slide rail, rotate the operation section of thick bamboo for first screw rod and second screw rod move towards opposite direction, thereby make a backplate supported get up with the side butt of foundation ditch, and then make a backplate and the side butt of foundation ditch, increase the effect of strutting to the foundation ditch.

Preferably, the end of the supporting and protecting plate far away from the bottom plate is provided with a soil blocking plate, the soil blocking plate is arranged on one side of the supporting and protecting plate facing the foundation pit, and the soil blocking plate is connected with the supporting and protecting plate in a sliding mode along the depth direction of the foundation pit.

Through adopting above-mentioned technical scheme, after installing the bracing piece, will hinder the one end that the backplate was installed to native board and kept away from the bottom plate for hinder the native butt on native board and the foundation ditch, and then make and hinder native board and block the soil on the edge on the foundation ditch, prevent the bed under the soil at foundation ditch edge, and then increase supporting device's the effect of strutting.

Preferably, the supporting and protecting plate is provided with a slide way along the depth direction of the foundation pit, the soil blocking plate is provided with a slide way corresponding to the slide way, and the slide way is connected with the slide way in a sliding manner.

Through adopting above-mentioned technical scheme, when using strutting arrangement to strut the foundation ditch of the different degree of depth for the spout that hinders on the native board takes place relative slip with the slide on the supporting plate, and then makes and hinders the last butt along of native board and foundation ditch, and then guarantees to hinder the butt on native board and the foundation ditch, and the condition that reduces the foundation ditch upper edge lower couch takes place.

Preferably, the bottom plate is provided with a limiting rod, and one end of the limiting rod penetrates through the bottom plate to be fixedly connected with the bottom of the foundation pit.

Through adopting above-mentioned technical scheme, after the bottom plate is good with the bottom surface butt of foundation ditch for the supporting plate board can with the side butt of foundation ditch, then pass the bottom plate with the one end of gag lever post and insert in the hole bottom of foundation ditch, and then realize the fixed of bottom plate, stability when increase the side of strutting arrangement to the foundation ditch is strutted.

Preferably, a plurality of stop blocks are fixedly arranged on the side surface of the bottom plate facing the bottom surface of the foundation pit.

Through adopting above-mentioned technical scheme, after the butt at the bottom of the hole of bottom plate and foundation ditch, stop the butt at the bottom of the hole of piece and foundation ditch to increase the frictional force between bottom plate and the foundation ditch hole bottom, and then increase the stability of strutting arrangement during operation, reduce the slip between bottom plate and the foundation ditch hole bottom.

To sum up, the utility model discloses a following at least one useful technological effect:

1. by arranging the supporting and protecting plates, the bottom plate and the supporting rods, when the supporting and protecting device is used for supporting a foundation pit, a plurality of groups of supporting and protecting devices are required to be matched with one another for supporting and protecting the foundation pit, so that the bent part of one adjacent supporting and protecting plate is abutted against one end, far away from the bent part, of the other supporting and protecting plate, the adjacent supporting and protecting plates are tightly sealed, and soil is prevented from falling from a gap between the adjacent supporting and protecting plates; the supporting and protecting plate is abutted against the side face of the foundation pit, the bottom plate is abutted against the bottom face of the foundation pit, and then the supporting rod is used for supporting the supporting and protecting plate, so that a triangle is formed among the bottom plate, the supporting rod and the supporting plate, the stability of the supporting and protecting device during supporting is further improved, and the convenience of the supporting and protecting device during supporting the foundation pit is improved;

2. by arranging the connecting cylinders and the connecting rods, when the foundation pit is supported, a plurality of groups of supporting devices are required to be used for supporting the foundation pit, so that the bent part of the adjacent supporting plate is abutted to one end, far away from the bent part, of the other supporting plate, the connecting cylinders on the two adjacent supporting plates correspond to each other, the connecting rods penetrate through the connecting cylinders on the two supporting plates, the locking between the two supporting plates is realized, and the stability of the supporting plates in supporting the foundation pit is improved;

3. through setting up slide rail and slider, after adjusting bottom plate and supporting plate, adjust the bracing piece for slider on the bracing piece and slide rail take place the relative slip, then make the locking lever pass lockhole on the slider and the through-hole on the slide rail, realize the locking between slider and the slide rail, when adjusting the relative position between slider on the bracing piece and the slide rail, can find the bracing piece to the best supported position of a backplate, and then increase supporting device's the effect of strutting.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

fig. 2 is another perspective schematic view of the present application, primarily showing the earth blocking plate.

Reference numeral, 100, a backup plate; 110. a bending part; 120. a connecting cylinder; 121. a connecting rod; 130. a slide rail; 131. a through hole; 140. a slideway; 200. a base plate; 210. a limiting rod; 220. a blocking block; 300. a support bar; 310. a slider; 311. a lock hole; 312. a lock lever; 320. a first screw; 330. a second screw; 340. an operation cylinder; 341. a threaded hole; 400. a soil blocking plate; 410. a chute.

Detailed Description

The following application is described in further detail with reference to the accompanying drawings.

Referring to fig. 1, an anti-deformation supporting apparatus for a foundation pit includes a supporting plate 100, a bottom plate 200, and a supporting rod 300. The one end of propping up backplate 100 is arranged the portion of bending 110 towards the direction of keeping away from the foundation ditch side, and the one end of supporting plate 100 is articulated with the one end of bottom plate 200, and the one end and the bottom plate 200 of bracing piece 300 rotate to be connected, and the other end and the supporting plate 100 of bracing piece 300 can be dismantled and be connected, and form triangle-shaped between bracing piece 300, bottom plate 200 and the supporting plate 100 three. The end of the bottom plate 200 close to the support plate 100 is provided with a limiting rod 210, and one end of the limiting rod 210 penetrates through the bottom plate 200 and is inserted into the bottom of the foundation pit, so that the bottom plate 200 and the foundation pit are fixed. A plurality of blocking blocks 220 are integrally formed on the side surface of the bottom plate 200 facing the bottom surface of the foundation pit, and the blocking blocks 220 are abutted against the bottom of the foundation pit.

In order to increase the compactness between the adjacent fender boards 100, the connecting cylinder 120 is welded correspondingly to one end of the bending part 110 of the fender board 100 and one end opposite to the bending part 110, the connecting rod 121 is coaxially sleeved on the connecting cylinder 120, when the supporting device is used for supporting a foundation pit, multiple groups of supporting devices are needed to be matched, so that the connecting cylinder 120 on the bending part 110 of the adjacent fender board 100 corresponds to the connecting cylinder 120 on the end, opposite to the bending part 110, of the next fender board 100, and then the connecting rod 121 exceeds the connecting cylinder 120 on the adjacent fender board 100, and further the connection between the adjacent fender boards 100 is realized, and the integrity of the adjacent fender boards 100 is ensured.

In order to adjust the supporting position of the supporting plate 100 by the supporting rod 300, the supporting plate 100 is welded with the slide rail 130 along the depth direction of the foundation pit, the supporting rod 300 is rotatably installed with a slide block 310 corresponding to the slide rail 130, and the slide block 310 is slidably connected with the slide rail 130. The sliding block 310 is provided with a locking hole 311, the sliding rail 130 is uniformly provided with a plurality of through holes 131 along the length direction, and the sliding block 310 and the sliding rail 130 are fixedly connected by a locking rod 312 penetrating through the locking hole 311. The supporting rod 300 includes a first screw 320, a second screw 330 and an operating barrel 340, the screw directions of the first screw 320 and the second screw 330 are opposite, both ends of the operating barrel 340 are respectively provided with a threaded hole 341, the screw directions of the threaded holes 341 at both ends of the operating barrel 340 are opposite, and the first screw 320 and the second screw 330 are respectively in threaded connection with both ends of the operating barrel 340. One end of the first screw 320 far away from the operation cylinder 340 is rotatably connected with the bottom plate 200, and one end of the second screw 330 far away from the operation cylinder 340 is rotatably connected with the sliding block 310.

Referring to fig. 2, in order to reduce the occurrence of the phenomenon of the upper edge and the lower edge of the foundation pit, an earth blocking plate 400 is installed at one end of the supporting plate 100, which is far away from the bottom plate 200, and the earth blocking plate 400 is installed at one side of the supporting plate 100, which faces the foundation pit, a slideway 140 is welded to the supporting plate 100 along the depth direction of the foundation pit, a chute 410 is formed in the earth blocking plate 400, which corresponds to the slideway 140, and the slideway 140 is slidably connected with the chute 410.

The implementation principle of the foundation pit anti-deformation supporting device in the embodiment of the application is as follows: when the supporting device is used for supporting the foundation pit, a plurality of groups of supporting devices are needed to be matched for supporting the side face of the foundation pit. The bending part 110 of the adjacent supporting plate 100 is abutted against the end, opposite to the bending part 110, of the next supporting plate 100, so that the connecting cylinders 120 on the adjacent supporting plates 100 are corresponding, then the connecting rods 121 penetrate into the connecting cylinders 120, and the two adjacent supporting plates 100 are connected into a whole, so that the supporting effect of the supporting device on the foundation pit is increased, and the possibility that soil falls from gaps between the adjacent supporting plates 100 is reduced. And then the limiting rod 210 penetrates through the bottom plate 200 and is inserted into the bottom of the foundation pit, so that the bottom plate 200 is fixed. Then, the supporting position of the supporting rod 300 on the supporting plate 100 is adjusted, the sliding block 310 on the supporting rod 300 is slid, so that the sliding block 310 and the sliding rail 130 slide relatively, and then the lock rod 312 passes through the lock hole 311 on the sliding block 310 and the through hole 131 on the sliding rail 130, so that the optimal supporting position of the supporting rod 300 and the supporting plate 100 is adjusted. Then the operating rod is rotated, so that the first screw 320 and the second screw 330 move towards the direction away from each other, and then the supporting plate 100 is abutted against the side surface of the foundation pit, and then the supporting of the supporting plate 100 to the side surface of the foundation pit is realized. Then, the soil blocking plate 400 is installed, so that the sliding groove 410 on the soil blocking plate 400 and the sliding block 310 on the supporting plate 100 slide relatively, the soil blocking plate 400 is abutted to the upper edge of the foundation pit, and the phenomenon that the upper edge of the foundation pit rests on the lower edge of the foundation pit is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a deformation support device is prevented to foundation ditch which characterized in that: comprises a supporting and protecting plate (100), a bottom plate (200) and a supporting rod (300); one end of the supporting and protecting plate (100) is hinged with one end of the bottom plate (200), one end of the supporting rod (300) is rotatably connected with the bottom plate (200), the other end of the supporting rod (300) is detachably connected with the supporting and protecting plate (100), and a triangle is formed among the supporting rod (300), the bottom plate (200) and the supporting and protecting plate (100); one end of the supporting and protecting plate (100) is provided with a bending part (110) towards the direction far away from the side face of the foundation pit.

2. A supporting device for preventing deformation of foundation pit according to claim 1, characterized in that: one end of a bending part (110) of the supporting and protecting plate (100) and one end opposite to the bending part (110) are correspondingly provided with connecting cylinders (120), and the connecting cylinders (120) are coaxially sleeved with connecting rods (121).

3. A supporting device for preventing deformation of foundation pit according to claim 1, characterized in that: the supporting and protecting plate (100) is fixedly provided with a sliding rail (130) along the depth direction of the foundation pit, the supporting rod (300) is rotatably provided with a sliding block (310) corresponding to the sliding rail (130), and the sliding block (310) is in sliding connection with the sliding rail (130); a lock hole (311) is formed in the sliding block (310), a plurality of through holes (131) are formed in the sliding rail (130) along the length direction of the sliding rail, and the sliding block (310) and the sliding rail (130) are fixedly connected through the lock rod (312) through penetrating through the lock hole (311).

4. A supporting device for preventing deformation of foundation pit according to claim 3, characterized in that: the supporting rod (300) comprises a first screw (320), a second screw (330) and an operating cylinder (340), and the thread directions of the first screw (320) and the second screw (330) are opposite; threaded holes (341) are formed in two ends of the operating cylinder (340), the thread directions of the threaded holes (341) in the two ends of the operating cylinder (340) are opposite, and the first screw (320) and the second screw (330) are respectively in threaded connection with the two ends of the operating cylinder (340); one end of the first screw (320), which is far away from the operation cylinder (340), is rotatably connected with the bottom plate (200), and one end of the second screw (330), which is far away from the operation cylinder (340), is rotatably connected with the sliding block (310).

5. A supporting device for preventing deformation of foundation pit according to claim 1, characterized in that: one end, far away from the bottom plate (200), of the supporting and protecting plate (100) is provided with a soil blocking plate (400), the soil blocking plate (400) is arranged on one side, facing the foundation pit, of the supporting and protecting plate (100), and the soil blocking plate (400) is connected with the supporting and protecting plate (100) in a sliding mode along the depth direction of the foundation pit.

6. A foundation pit deformation-preventing supporting device according to claim 5, wherein: the supporting and protecting plate (100) is provided with a slide way (140) along the depth direction of the foundation pit, the soil blocking plate (400) is provided with a slide groove (410) corresponding to the slide way (140), and the slide way (140) is in sliding connection with the slide groove (410).

7. A foundation pit deformation-preventing supporting device according to claim 6, wherein: the base plate (200) is provided with a limiting rod (210), and one end of the limiting rod (210) penetrates through the base plate (200) to be fixedly connected with the bottom of the foundation pit.

8. A supporting device for preventing deformation of foundation pit according to claim 7, wherein: and a plurality of stop blocks (220) are fixedly arranged on the side surface of the bottom plate (200) facing the bottom surface of the foundation pit.