CN217352515U - Adjustable foundation pit support switching structure for building safety - Google Patents
Adjustable foundation pit support switching structure for building safety Download PDFInfo
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- CN217352515U CN217352515U CN202221317548.5U CN202221317548U CN217352515U CN 217352515 U CN217352515 U CN 217352515U CN 202221317548 U CN202221317548 U CN 202221317548U CN 217352515 U CN217352515 U CN 217352515U
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- steel member
- positioning
- buried steel
- foundation pit
- building safety
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Abstract
The utility model discloses a excavation supporting switching structure with adjustable be used for building safety, including pre-buried steel member on the foundation ditch retaining wall in advance, the support end of interior support connects the cooperation with pre-buried steel member top, pre-buried steel member is the tubular structure, half a left side of pre-buried steel member is buried underground in the foundation ditch retaining wall, half a right side stretches out foundation ditch retaining wall, be provided with the load base plate between half a left side and half a right side, the load base plate is located a section of thick bamboo of pre-buried steel member, the right side of load base plate is provided with movable switching piece, one side that movable switching piece is close to the support end is provided with globular bearing head, be provided with on the support end with globular bearing head complex globular recess, be provided with the positioning bolt who adjusts movable switching piece position on the lateral wall of half a right side. The utility model discloses a movable switching piece can be relative pre-buried steel member shift position, makes movable switching piece can compensate the error that supports between interior support and the pre-buried steel member, can fix movable switching piece on pre-buried steel member through positioning bolt.
Description
Technical Field
The utility model relates to a excavation supporting technical field is built in the room, especially indicate a excavation supporting switching structure with adjustable be used for safety is built in room.
Background
When a building foundation pit is deeply excavated and a building is adjacent to the foundation pit, the foundation pit needs to be reinforced, and the method comprises a support method, a concrete-sprayed wall protection method, an underground continuous wall and column-type bored pile interlocking method and the like, and the outer soil layer is prevented from collapsing. The supporting structure of the side wall of the foundation pit in the supporting method comprises two parts, namely an enclosure structure system and a supporting system consisting of an inner support, an anchor rod, an enclosing purlin and the like. The inner support comprises a steel straight pipe, an inclined support, a triangular support, a fixed end and an adjustable end, and the length of the steel straight pipe is fixed, so that the size of the foundation pit is irregular. Therefore, when the distance between the straight steel pipe and the surrounding purlin is not enough for installing one straight steel pipe, the loose end is required to be adopted for adaptive compensation.
When the loose end is installed, a hydraulic cylinder is needed to be adopted to carry out axial force loading, the hydraulic cylinder is supported between the enclosing purlin and the steel straight pipe, and then the loose end is arranged between the hydraulic cylinder and the enclosing purlin. After the loose end is connected between the surrounding purlin and the straight steel pipe, a compensation block is additionally arranged between the telescopic section of the loose end and the front end part of the outer box body, so that the extending length of the telescopic section of the loose end is fixed.
Although the length of the supporting system of the side wall of the foundation pit is adjustable, the supporting stress point positions on two sides of the foundation pit cannot be adjusted, and the supporting point positions of the enclosure structure are pre-embedded in advance through the pre-embedded steel plates, so that the inner support is difficult to ensure that two ends of the inner support are opposite to the pre-embedded steel plates when supporting, errors exist between the supporting point positions and the inner support, and the supporting effect is reduced. Therefore, how to ensure that the inner support of the foundation pit is just opposite to the supporting point position is an important factor for improving the safety of the foundation pit support.
SUMMERY OF THE UTILITY MODEL
Not enough to among the above-mentioned background art, the utility model provides an interior support of foundation ditch has solved among the prior art foundation ditch is difficult to just to the technical problem who supports the position to a retaining connection structure with adjustable be used for safe is built in room.
The technical scheme of the application is as follows: the utility model provides an excavation supporting switching structure with adjustable be used for room to build safety, includes pre-buried steel member on the excavation supporting wall, and the support end of interior support connects the cooperation with pre-buried steel member apical grafting, pre-buried steel member is the tubular structure, half left of pre-buried steel member is buried underground in the excavation supporting wall, half right stretches out excavation supporting wall, be provided with the load base plate between half a left side and half right, the load base plate is located the section of thick bamboo of pre-buried steel member, the right side of load base plate is provided with movable switching piece, one side that activity switching piece is close to the support end is provided with globular bearing head, be provided with on the support end with globular bearing head complex globular groove, be provided with the positioning bolt who adjusts activity switching piece position on half lateral wall on the right side.
Furthermore, the number of the positioning bolts is four, and the four positioning bolts are respectively arranged in four directions of the periphery of the movable adapter block.
Further, activity switching piece includes the location base member, globular bearing force head sets up with the location base member is integrative, and the orthographic projection of location base member is regular octagon, positioning bolt's tip is provided with the butt joint portion of round platform form, the diameter of butt joint portion equals with the width on every side of location base member.
Furthermore, the positioning base body is provided with a protruding structure arranged in an array on one side close to the bearing substrate, the bearing substrate is provided with a positioning protrusion matched with the protruding structure in a clamping manner, and the positioning protrusion is distributed on the bearing substrate in an array manner.
Further, a locking nut is connected to the part, penetrating through the side wall, of the positioning bolt.
Furthermore, through holes are formed in each side wall of the left half portion, pouring steel bars in the foundation pit supporting wall are in inserting fit with the through holes, and concrete in the foundation pit supporting wall is poured in the through holes.
Furthermore, one side of the bearing base plate, which is far away from the movable transfer block, is welded with an eye bolt, and a lifting ring of the eye bolt is matched with a pouring steel bar in the foundation pit supporting wall in a sleeving manner.
Furthermore, the lifting bolt is provided with a plurality of, and each lifting bolt is in sleeve joint cooperation with the pouring reinforcing steel bars in different thickness positions and height positions respectively.
Compared with the prior art, the adjustable foundation pit supporting and transferring structure for building safety is characterized in that the movable transferring block is adjustably connected with a pre-buried steel member with a special structure, and can change position relative to the pre-buried steel member, so that the movable transferring block can compensate errors between an inner support and the pre-buried steel member, and can be fixed on the pre-buried steel member through the positioning bolt; secondly, a spherical hinge structure is arranged between the movable connecting block and the supporting end head, so that certain angle error can be compensated; in addition, the through hole of the embedded steel member is sleeved with a pouring steel bar in the foundation pit supporting wall, and the embedded steel member is connected with an eye bolt sleeved with the pouring steel bar, so that the reliability of the connection of the embedded steel member and the foundation pit supporting wall is fully ensured; the bearing base plate is provided with a positioning bulge, the positioning base body is provided with a bulge structure, the positioning bulge and the bulge structure are mutually clamped and act together with the positioning bolt, and the positioning reliability of the movable connecting block is fully ensured.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive effort.
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is a front view of the pre-buried steel member and the movable transfer block after assembly;
fig. 3 is an enlarged view of a point a in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 any creative effort belong to the protection scope of the present invention.
The utility model provides a foundation ditch support switching structure with adjustable be used for building safety, as shown in figure 1, including pre-buried steel member 2 on foundation ditch retaining wall 1, support end 31 and the cooperation of pre-buried steel member 2 apical grafting of 3 in, pre-buried steel member 2 is the tubular structure, half a left side of pre-buried steel member 2 is buried underground in foundation ditch retaining wall 1, half a right side stretches out foundation ditch retaining wall 1, be provided with load base plate 24 between half a left side and the right side.
All be provided with the clearing hole 25 on the each lateral wall of left half, pouring reinforcing bar 11 in the foundation ditch buttress wall 1 alternates with clearing hole 25 and cooperates, the concrete placement in the foundation ditch buttress wall 1 is in clearing hole 25.
And one side of the bearing base plate 24, which is far away from the movable transfer block 21, is welded with an eye bolt 26, and a lifting ring of the eye bolt 26 is matched with the pouring steel bar 11 in the foundation pit supporting wall 1 in a sleeved mode. The lifting bolts 26 are provided with a plurality of lifting bolts, and each lifting bolt is respectively matched with the pouring steel bars 11 in different thickness positions and height positions in a sleeved mode.
As shown in fig. 1 and 2, the bearing substrate 24 is located in the tube of the embedded steel member 2, the right side of the bearing substrate 24 is provided with a movable transfer block 21, one side of the movable transfer block 21 close to the support end 31 is provided with a spherical bearing head 211, and the support end 31 is provided with a spherical groove 311 matched with the spherical bearing head 211. And a positioning bolt 23 for adjusting the position of the movable transfer block 21 is arranged on the side wall 22 of the right half part, and the position of the movable transfer block 21 relative to the bearing substrate 24 can be changed by adjusting the positioning bolt 23, so that the error between the bearing substrate 24 and the supporting end 31 is compensated.
Specifically, the number of the positioning bolts 23 is four, and the four positioning bolts 23 are respectively arranged in four directions of the periphery of the movable transfer block 21. The movable adapter 21 includes a positioning base 212, the spherical bearing head 211 and the positioning base 212 are integrally arranged, the regular projection of the positioning base 212 is a regular octagon, the end of the positioning bolt 23 is provided with a truncated cone-shaped abutting part 231, and the diameter of the abutting part 231 is equal to the width of each side of the positioning base 212.
Further, a locking nut 28 is connected to a portion of the positioning bolt 23 penetrating through the side wall 22
Furthermore, one side of the positioning base 212, which is close to the bearing substrate 24, is provided with raised structures 2121 arranged in an array, the bearing substrate 24 is provided with positioning protrusions 241 in clamping fit with the raised structures 2121, and the positioning protrusions 241 are distributed on the bearing substrate 24 in an array.
The present invention is not exhaustive and is well known to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a excavation supporting switching structure with adjustable be used for building safety, includes pre-buried steel member (2) on foundation ditch retaining wall (1), supports support end (31) and pre-buried steel member (2) top of (3) and connects the cooperation, its characterized in that: pre-buried steel member (2) are the tubular structure, half a left side of pre-buried steel member (2) is buried underground in foundation ditch retaining wall (1), half foundation ditch retaining wall (1) is stretched out to half right, be provided with load base plate (24) between half a left side and half right, load base plate (24) are located the section of thick bamboo of pre-buried steel member (2), the right side of load base plate (24) is provided with activity switching piece (21), one side that activity switching piece (21) are close to support end (31) is provided with globular bearing head (211), be provided with on support end (31) with globular bearing head (211) complex globular recess (311), be provided with on lateral wall (22) of half right side and adjust positioning bolt (23) that activity switching piece (21) position.
2. The adjustable foundation pit supporting and transferring structure for building safety as claimed in claim 1, wherein: the number of the positioning bolts (23) is four, and the four positioning bolts (23) are respectively arranged in four directions of the periphery of the movable transfer block (21).
3. The adjustable foundation pit supporting and transferring structure for building safety as claimed in claim 2, wherein: the movable transfer block (21) comprises a positioning base body (212), the spherical bearing head (211) and the positioning base body (212) are integrally arranged, the forward projection of the positioning base body (212) is a regular octagon, a circular truncated cone-shaped abutting part (231) is arranged at the end part of the positioning bolt (23), and the diameter of the abutting part (231) is equal to the width of each side of the positioning base body (212).
4. The adjustable foundation pit supporting and transferring structure for building safety as claimed in claim 3, wherein: the positioning base body (212) is provided with a raised structure (2121) arranged in an array manner on one side close to the bearing substrate (24), the bearing substrate (24) is provided with a positioning bulge (241) matched with the raised structure (2121) in a clamping manner, and the positioning bulge (241) is distributed on the bearing substrate (24) in an array manner.
5. The adjustable foundation pit support and transition structure for building safety of any one of claims 1-4, wherein: the part of the positioning bolt (23) penetrating through the side wall (22) is connected with a locking nut (28).
6. The adjustable foundation pit support and transition structure for building safety of claim 5, wherein: all be provided with clearing hole (25) on each lateral wall of half one on the left side, pouring reinforcing bar (11) and clearing hole (25) interlude in foundation ditch retaining wall (1) cooperate, concrete placement in foundation ditch retaining wall (1) is in clearing hole (25).
7. The adjustable foundation pit support and transition structure for building safety of any one of claims 1-4 and 6, wherein: and an eye bolt (26) is welded on one side of the bearing base plate (24) departing from the movable transfer block (21), and a lifting ring of the eye bolt (26) is matched with a pouring steel bar (11) in the foundation pit supporting wall (1) in a sleeved mode.
8. The adjustable foundation pit supporting and transferring structure for building safety as claimed in claim 7, wherein: the lifting bolt (26) is provided with a plurality of lifting bolts, and each lifting bolt is respectively in sleeve joint with the pouring steel bars (11) with different thickness positions and height positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221317548.5U CN217352515U (en) | 2022-05-30 | 2022-05-30 | Adjustable foundation pit support switching structure for building safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221317548.5U CN217352515U (en) | 2022-05-30 | 2022-05-30 | Adjustable foundation pit support switching structure for building safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217352515U true CN217352515U (en) | 2022-09-02 |
Family
ID=83016626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221317548.5U Active CN217352515U (en) | 2022-05-30 | 2022-05-30 | Adjustable foundation pit support switching structure for building safety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217352515U (en) |
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2022
- 2022-05-30 CN CN202221317548.5U patent/CN217352515U/en active Active
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