CN210315587U - Foundation pit supporting structure - Google Patents
Foundation pit supporting structure Download PDFInfo
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- CN210315587U CN210315587U CN201921166628.3U CN201921166628U CN210315587U CN 210315587 U CN210315587 U CN 210315587U CN 201921166628 U CN201921166628 U CN 201921166628U CN 210315587 U CN210315587 U CN 210315587U
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- foundation pit
- supporting construction
- supporting
- foundation ditch
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Abstract
The utility model discloses a foundation pit supporting construction, including the foundation ditch, be provided with supporting construction in the foundation ditch, supporting construction include with the both sides inner wall butt of foundation ditch mutually perpendicular prop up the backplate, be used for fixing the mounting, the fixed connection of propping up the backplate are in prop up first installation piece on the backplate, with foundation ditch mutually perpendicular's both sides on the backplate first installation piece articulated first bracing piece, first bracing piece include first internal thread pole, and with first internal thread pole threaded connection's first external screw thread pole. Can be installed, dismantled and recycled at any time, and the cost is reduced.
Description
Technical Field
The utility model relates to a building engineering technical field especially relates to a foundation ditch supporting construction.
Background
In the prior art, in excavation and supporting of a foundation pit, the design of the foundation pit supporting directly influences the quality, safety, efficiency and cost of engineering, and the foundation pit supporting 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 underground structure construction and the surrounding environment of the foundation pit.
At present, a Chinese patent with a publication number of CN203977434U in the prior art discloses a foundation pit enclosure structure in a deep muddy soft soil area, which is formed by sequentially connecting at least four enclosure units; each enclosure unit comprises a construction method pile arranged along the excavation side line, a concrete ring beam fixed on the construction method pile, a bottom plate positioned at the bottom of the enclosure unit, a bracket arranged on the bottom plate and a steel pipe inclined strut; one end of the steel pipe diagonal brace is fixed on the concrete ring beam, and the other end of the steel pipe diagonal brace is fixed on the bracket.
The technical scheme has the following defects: when the foundation pit is enclosed, the cast-in-place concrete beam is used for supporting, but the cast-in-place reinforced concrete construction period is long, the demolition is difficult, and the materials cannot be reused for multiple times.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a supporting construction of foundation ditch can install at any time, demolish and reuse, reduces the cost.
The technical purpose of the utility model is realized through following technical scheme:
the utility model provides a foundation pit supporting structure, includes the foundation ditch, be provided with supporting structure in the foundation ditch, supporting structure include with the both sides inner wall butt of foundation ditch mutually perpendicular prop up backplate, be used for fixing the mounting, the fixed connection of propping up the backplate are in prop up first installation piece on the backplate, with foundation ditch mutually perpendicular's both sides on the backplate first installation piece articulated first bracing piece, first bracing piece include first internal thread pole, and with first internal thread pole threaded connection's first external screw pole.
Through the technical scheme, utilize the mounting to fix the supporting plate on two lateral walls of the mutually perpendicular of foundation ditch, all articulate first installation piece with the both ends of first bracing piece, and with first installation piece fixed connection on a backplate, and exert force through the first installation piece of rotatory first external screw thread pole to both sides, thereby can make the backplate of foundation ditch both sides tightly laminate with the lateral wall of foundation ditch, and then can strengthen supporting structure's support intensity, because a backplate can be followed the foundation ditch at any time and dismantled and install, thereby can reuse supporting structure, the cost is reduced.
The utility model discloses further set up to: the edge the length position fixedly connected with of backplate is a plurality of first installation piece, both sides it has a plurality ofly to articulate on the first installation piece first fender rod, it is a plurality of first fender rod is parallel to each other.
Through above-mentioned technical scheme, set up a plurality of first bracing pieces, can strengthen carrying out the supporting role to the lateral wall of foundation ditch, reduce the possibility that the foundation ditch collapses, improved supporting construction's support intensity.
The utility model discloses further set up to: supporting construction includes supporting component, supporting component includes fixed connection and is in second installation piece on the backplate, install the third installation piece of foundation ditch bottom, one end with the second installation piece is articulated and the other end with third installation piece articulated second bracing piece, the second bracing piece include the second internal thread pole, and with the second external thread pole of second internal thread pole threaded connection.
Through above-mentioned technical scheme, utilize the second to prop the fender rod and can support the supporting plate, rotate the outer threaded rod of second, can further improve the tight laminating degree of fender plate and foundation ditch lateral wall.
The utility model discloses further set up to: the angle between the second supporting rod and the bottom of the foundation pit is 45 degrees.
Through the technical scheme, the angle between the second supporting rod and the bottom of the foundation pit is set to be 45 degrees, and the supporting effect on the supporting plate can be guaranteed.
The utility model discloses further set up to: the bottom of foundation ditch has seted up the counter bore, the bottom fixedly connected with post of third installation piece, the post is located in the counter bore, pour into the concrete into in the counter bore.
Through the technical scheme, the connection strength of the third mounting block and the bottom of the foundation pit can be enhanced, the possibility of movement of the third mounting block is reduced, and the supporting strength of the supporting structure is enhanced.
The utility model discloses further set up to: the mounting includes screw up portion and with screw up portion fixed connection's spiral portion, spiral portion is the heliciform.
Through above-mentioned technical scheme, because the spiral part is the heliciform, can strengthen the joint strength between mounting and the foundation ditch when the mounting twists the lateral wall of foundation ditch, reduce the possibility that the mounting breaks away from the lateral wall of foundation ditch.
The utility model discloses further set up to: one end of the spiral part, which is far away from the tightening part, is conical.
Through the technical scheme, when the broken stone exists in the foundation pit, the end part is conical, so that the obstruction of the broken stone to the fixing part can be reduced, and the fixing part is ensured to fix the supporting plate on the side wall of the foundation pit.
The utility model discloses further set up to: the first support rod is fixedly connected with a hexagonal nut, and the central line of the hexagonal nut is consistent with the axis of the first support rod.
Through above-mentioned technical scheme, when the length of first strut pole is increased or reduced in needs, can utilize the rotation that the tight hexagon nut of instrument clamp realized first strut pole, the operating personnel of being convenient for operates, has improved work efficiency.
To sum up, the utility model discloses a beneficial technological effect does:
1. through setting up supporting construction, utilize the mounting to fix the supporting plate on two lateral walls of the mutually perpendicular of foundation ditch, all articulate first installation piece with the both ends of first bracing piece, and with first installation piece fixed connection on a backplate, and exert force through rotatory first installation piece of first external screw thread pole to both sides, thereby can make the backplate of foundation ditch both sides tightly laminate with the lateral wall of foundation ditch, and then can strengthen supporting construction's support intensity, because a backplate can be followed the foundation ditch at any time and dismantled and install, thereby can reuse supporting construction, the cost is reduced.
2. Through setting up supporting component, utilize the second to prop the fender rod and can support the supporting plate, rotate the outer threaded rod of second, can further improve a fender board and the close degree of laminating of foundation ditch lateral wall.
3. Through setting up counter bore and stake, strengthen the joint strength of third installation piece and foundation ditch bottom, reduce the possibility that third installation piece removed to supporting construction's support intensity has been strengthened.
Drawings
Fig. 1 is a schematic structural diagram of the present invention, mainly illustrating the overall construction;
fig. 2 is a schematic sectional view of the present invention, mainly illustrating the structure of the supporting structure;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is a schematic structural view of the fixing member of fig. 2.
Reference numerals: 1. a foundation pit; 11. a counter bore; 2. a support structure; 21. supporting the guard plate; 22. a fixing member; 221. a tightening part; 222. a spiral portion; 23. a first mounting block; 24. a first support bar; 241. a first inner threaded rod; 242. a first externally threaded rod; 243. a hexagonal nut; 3. a support assembly; 31. a second mounting block; 32. a third mounting block; 321. piling; 33. a second support bar; 331. a second inner threaded rod; 332. a second outer threaded rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A foundation pit supporting structure comprises a foundation pit 1, wherein a supporting structure 2 is arranged in the foundation pit 1, the supporting structure 2 is arranged at four right-angle positions of the foundation pit 1, the supporting structure 2 comprises two supporting plates 21, a fixing piece 22, a first mounting block 23 and a first supporting rod 24, the two supporting plates 21 are symmetrically arranged on two mutually vertical side walls of the foundation pit 1 respectively, and the length direction of each supporting plate 21 is vertical to the bottom surface of the foundation pit 1; the fixing member 22 is used for fixing the support guard plate 21 to the side wall of the foundation pit 1, and as shown in fig. 4, the fixing member 22 includes a tightening portion 221 and a spiral portion 222, the tightening portion 221 and the spiral portion 222 are integrally formed, the upper and lower bottom surfaces of the tightening portion 221 are hexagonal, the circumferential surface of the spiral portion 222 is spiral, and one end of the spiral portion 222 away from the tightening portion 221 is conical; the first mounting blocks 23 are fixedly connected to the supporting and protecting plate 21, the cross section of each first mounting block 23 is U-shaped, the U-shaped groove faces to one side far away from the supporting and protecting plate 21, the number of the first mounting blocks 23 is multiple, and the first mounting blocks 23 are arranged along the length direction of the supporting and protecting plate 21; one end of the first support rod 24 is hinged to the first mounting block 23 on one side of the foundation pit 1, the other end is hinged to the first mounting block 23 on the other side of the foundation pit 1, and the first support rod 24 comprises a first inner threaded rod 241 and a first outer threaded rod 242 in threaded connection with the first inner threaded rod 241. Utilize mounting 22 to fix supporting plate 21 on two lateral walls of the mutually perpendicular of foundation ditch 1, all articulate first installation piece 23 with the both ends of first bracing piece 24, and with first installation piece 23 fixed connection on supporting plate 21, and exert force to the first installation piece 23 of both sides through rotatory first external screw thread pole 242, thereby can make supporting plate 21 and the lateral wall of foundation ditch 1 both sides tightly laminate, and then can strengthen supporting structure 2's support intensity, because supporting plate 21 can be followed foundation ditch 1 at any time and dismantled and install, thereby can reuse supporting structure 2, and the cost is reduced. Further, a hexagonal nut 243 is fixed on the first support rod 24, the center line of the hexagonal nut 243 is consistent with the axis of the first support rod 24, and when the length of the first support rod 24 needs to be increased or reduced, the hexagonal nut 243 can be clamped by a tool to rotate the first support rod 24, so that operation of an operator is facilitated, and the working efficiency is improved.
As shown in fig. 2 and 3, the supporting structure 2 includes a supporting component 3, the supporting component 3 includes a second mounting block 31, a third mounting block 32, and a second supporting rod 33, the second mounting block 31 is fixed at one end of the supporting plate 21 close to the bottom surface of the foundation pit 1, the second mounting block 31 is fixed on the supporting plate 21 at two sides of the foundation pit 1, the third mounting block 32 is located at the bottom of the foundation pit 1, a column pile 321 is fixedly connected to the bottom of the third mounting block 32, a counter bore 11 is formed at the bottom of the foundation pit 1, the width and length of the counter bore 11 are greater than the length and width of the column pile 321, the column pile 321 is located in the counter bore 11, and concrete is injected into the counter bore 11; one end of the second support rod 33 is hinged to the second mounting block 31 on one side of the foundation pit 1, the other end is hinged to the second mounting block 31 on the other side of the foundation pit 1, the second support rod 33 comprises a second inner threaded rod 331 and a second outer threaded rod 332 in threaded connection with the second inner threaded rod 331, and the angle between the second support rod 33 and the bottom surface of the foundation pit 1 is 45 degrees. The supporting plate 21 can be supported by the second supporting rod 33, and the supporting plate 21 can be further closely attached to the side wall of the foundation pit 1 by rotating the second external threaded rod 332.
The specific working principle is that when the foundation pit 1 needs to be reinforced, the two supporting and protecting plates 21 are respectively fixed on two mutually perpendicular side walls of the foundation pit 1 by using the reinforcing member, the plurality of first mounting blocks 23 are fixedly connected to the supporting and protecting plates 21 on two sides along the length direction of the supporting and protecting plates 21, the first supporting rod 24 is hinged with the first mounting blocks 23 on two sides of the foundation pit 1, and the hexagonal nut 243 is rotated by using a tool, so that force is applied to the supporting and protecting plates 21 by two ends of the first supporting rod 24, and the foundation pit 1 is reinforced. Further, the both ends of second bracing piece 33 are articulated with second installation piece 31 and third installation piece 32 respectively, and with second installation piece 31 fixed connection on a backplate 21, third installation piece 32 is installed in the bottom surface of foundation ditch 1, make second bracing piece 33 support a backplate 21, further strengthen the reinforcement of foundation ditch 1, in addition, a backplate 21 can be followed foundation ditch 1 at any time and dismantled and install, thereby can realize reuse supporting construction 2, reduce the cost.
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 (8)
1. The utility model provides a foundation ditch supporting construction, includes foundation ditch (1), its characterized in that: be provided with supporting construction (2) in foundation ditch (1), supporting construction (2) include with supporting plate (21), the fixing that is used for fixing of foundation ditch (1) mutually perpendicular's both sides inner wall butt first installation piece (23) on supporting plate (21), with foundation ditch (1) mutually perpendicular's both sides on supporting plate (21) first installation piece (23) articulated first bracing piece (24), first bracing piece (24) include first internal threaded rod (241), and with first internal threaded rod (241) threaded connection's first external screw thread pole (242).
2. A foundation pit supporting construction according to claim 1, wherein: the length position fixedly connected with of edge backplate (21) is a plurality of first installation piece (23), both sides it is articulated on first installation piece (23) have a plurality of first fender rod (24), a plurality of first fender rod (24) are parallel to each other.
3. A foundation pit supporting construction according to claim 1, wherein: supporting construction (2) include supporting component (3), supporting component (3) include fixed connection be in second installation piece (31) on fender board (21), install the third installation piece (32), one end of foundation ditch (1) bottom with second installation piece (31) articulated and the other end with third installation piece (32) articulated second props up pole (33), second props up pole (33) including second internal thread pole (331), and with second internal thread pole (331) threaded connection's second external thread pole (332).
4. A foundation pit supporting construction according to claim 3, wherein: the angle between the second supporting rod (33) and the bottom of the foundation pit (1) is 45 degrees.
5. A foundation pit supporting construction according to claim 3, wherein: counter bore (11) have been seted up to the bottom of foundation ditch (1), the bottom fixedly connected with post (321) of third installation piece (32), post (321) are located in counter bore (11), pour into the concrete in counter bore (11).
6. A foundation pit supporting construction according to claim 1, wherein: the fixing piece (22) comprises a tightening part (221) and a spiral part (222) fixedly connected with the tightening part (221), and the spiral part (222) is spiral.
7. A foundation pit supporting construction according to claim 6, wherein: one end of the spiral part (222) far away from the tightening part (221) is conical.
8. A foundation pit supporting construction according to claim 1, wherein: the first support rod (24) is fixedly connected with a hexagonal nut (243), and the center line of the hexagonal nut (243) is consistent with the axis of the first support rod (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921166628.3U CN210315587U (en) | 2019-07-23 | 2019-07-23 | Foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921166628.3U CN210315587U (en) | 2019-07-23 | 2019-07-23 | Foundation pit supporting structure |
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| Publication Number | Publication Date |
|---|---|
| CN210315587U true CN210315587U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921166628.3U Active CN210315587U (en) | 2019-07-23 | 2019-07-23 | Foundation pit supporting structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111663537A (en) * | 2020-06-24 | 2020-09-15 | 深圳市南华岩土工程有限公司 | Temporary supporting structure for foundation pit construction and construction method |
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2019
- 2019-07-23 CN CN201921166628.3U patent/CN210315587U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111663537A (en) * | 2020-06-24 | 2020-09-15 | 深圳市南华岩土工程有限公司 | Temporary supporting structure for foundation pit construction and construction method |
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