CN218437085U - Trench excavation prestressing force assembled supporting device - Google Patents
Trench excavation prestressing force assembled supporting device Download PDFInfo
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- CN218437085U CN218437085U CN202222196506.7U CN202222196506U CN218437085U CN 218437085 U CN218437085 U CN 218437085U CN 202222196506 U CN202222196506 U CN 202222196506U CN 218437085 U CN218437085 U CN 218437085U
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- groove
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- prestress
- pile
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Abstract
The utility model discloses a groove excavation prestress assembled supporting device, which comprises at least two groups of supporting members, wherein the two groups of supporting members are arranged on two surfaces of a groove foundation pit, and a prestress supporting member is arranged between the two groups of supporting members; the supporting member comprises a top beam arranged on the upper surface of the groove foundation pit, supporting piles used for supporting the groove in the vertical direction are inserted into the top beam, and supporting panels used for supporting the groove in the horizontal direction are arranged on the supporting piles; this application fender pile can insert in the hat roof beam, realize the vertical direction location of slot foundation ditch, the horizontal direction location of slot foundation ditch is realized to the supporting panel, the fender pile can adjust from top to bottom in hat roof beam at any time simultaneously, adjust according to the degree of depth of slot foundation ditch, the installation also can be dismantled to the supporting panel, can be used for the slot excavation construction of the different degree of depth, different width, and can also realize "along with digging along with supporting" technical characterstic, construction steps is simple, be applicable to small-size slot foundation ditch excavation.
Description
Technical Field
The utility model relates to a municipal construction technical field, concretely relates to trench excavation prestressing force assembled supporting device.
Background
The construction process of the groove foundation pit in the municipal construction process is inevitably influenced by peripheral pipelines, underground pipelines, surrounding buildings and the like, and extreme weather such as heavy rainfall is encountered, so that corresponding support measures are required to be adopted to control the stability of the groove foundation pit if no enough safe working surface can support construction and slope placement in the groove operation construction process. However, in the actual construction process, the construction cost and the construction period of the project are greatly increased by adopting additional supports. If the groove excavation is carried out without arranging supports in order to improve the construction efficiency and reduce the input cost, engineering safety accidents are likely to occur in the construction process, and the loss of personnel and property is caused.
The supporting device required by the prior trench foundation pit excavation has the following defects;
1. at present, the groove foundation pit adopts slope excavation as a preferred mode, but the mode occupies a large area and has a long construction period. For the working surface without the slope excavation condition, the groove excavation is carried out without any support in consideration of saving cost and construction period, so that the safety risk is high;
second, plate-type that can be used to slot foundation ditch excavation at present is strutted, channel-section steel is strutted, steel sheet pile struts etc. though can guarantee the quality and the security of construction, nevertheless all need execute and do the supporting device before the slot excavation, and the cost drops into higher, and the construction is comparatively loaded down with trivial details, can't accomplish to dig along with propping up ", is not suitable for small-size slot foundation ditch.
Thirdly, the excavation and construction of the groove foundation pit are high in repeatability, but the traditional supporting device is only suitable for the groove foundation pits with the same size due to the single size, and the supporting device is not easy to recycle, so that the problem of low recovery efficiency is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a trench excavation prestressing force assembled supporting device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a groove excavation prestress assembly type supporting device comprises at least two groups of supporting components, wherein the two groups of supporting components are arranged on two surfaces of a groove foundation pit, and a prestress supporting component is arranged between the two groups of supporting components;
the supporting member comprises a top beam arranged on the upper surface of the groove foundation pit, supporting piles used for supporting the groove in the vertical direction are inserted into the top beam, and supporting panels used for supporting the groove in the horizontal direction are arranged on the supporting piles.
As a further aspect of the present invention: the supporting pile comprises a limiting block, a screw and a supporting vertical plate, wherein the limiting block is arranged at the top of the supporting vertical plate, and the limiting block is clamped on the crown beam when the supporting vertical plate penetrates through the crown beam; the supporting vertical plate is provided with at least one group of screw rods towards one side of the foundation pit of the groove, and the supporting panel is connected with the screw rods by fixing nuts after penetrating through the screw rods and being attached to the supporting vertical plate.
As a further aspect of the present invention: the bottom of the supporting vertical plate is fixedly provided with a supporting pile foot which is inserted into the groove foundation pit in a triangular shape.
As a further aspect of the present invention: the prestress supporting component comprises a prestress supporting rod I, a prestress supporting rod II and a threaded connecting rod for connecting the prestress supporting rod I and the prestress supporting rod II, and the other ends of the prestress supporting rod I and the prestress supporting rod II are respectively connected to the supporting limiting base.
As a further aspect of the present invention: the prestress supporting members are provided with a plurality of groups, wherein the supporting limit bases are provided with a plurality of groups and are respectively fixed on the supporting panel and the crown beam.
As a further aspect of the present invention: the threaded connecting rod comprises a rotating handle and a threaded rod, the threaded rod and the rotating handle are distributed in a cross shape, and two ends of the threaded rod are connected to the first prestressed supporting rod and the second prestressed supporting rod respectively.
As a further aspect of the present invention: the top beam is of a rectangular frame structure, a supporting pile groove is fixedly formed in one side, facing the groove, of the foundation pit, of the top beam, and the supporting piles penetrate out of the supporting pile groove.
Compared with the prior art, the beneficial effects of the utility model are that:
firstly, the supporting pile can be inserted into the top beam to realize the vertical direction positioning of the groove foundation pit, the supporting panel realizes the horizontal direction positioning of the groove foundation pit, meanwhile, the supporting pile can be vertically adjusted in the top beam at any time and adjusted according to the depth of the groove foundation pit, the supporting panel can also be detachably mounted, the supporting pile can be used for the groove excavation construction with different depths and different widths, the technical characteristics of 'supporting along with excavation' can be realized, the construction steps are simple, time and labor are saved, and the supporting pile is suitable for the small-sized groove foundation pit excavation;
in the early stage of trench excavation, complex processes such as pile hole arrangement, pile body pre-embedding and the like are not needed, and the cost consumption of manpower and large machinery is avoided; meanwhile, when the groove foundation pit is used, the supporting members can be gradually recovered along with the backfilling of the groove, and the supporting members can be used for the subsequent similar groove foundation pit after the recovery is finished, so that the cost is saved and the utilization is realized;
finally, the top beam is arranged, the prestress supporting member is adopted for supporting, and the prestress supporting member can be added at the specified depth according to the field requirement, so that the stability in the groove foundation pit construction process is effectively ensured, and the occurrence of engineering accidents is avoided.
Drawings
Fig. 1 is a schematic structural view of the pre-stressed assembled supporting device for trench excavation of the utility model;
FIG. 2 is a schematic structural view of the crown beam of the present invention;
FIG. 3 is a schematic view of the structure of the prestressed supporting member of the present invention;
FIG. 4 is a schematic structural view of the threaded connecting rod of the present invention;
fig. 5 is a schematic structural view of the support pile of the present invention;
fig. 6 is a schematic structural view of the support panel of the present invention;
description of the reference numerals: 1. a groove foundation pit; 2. a crown beam; 201. supporting pile slots; 3. a supporting limit base; 4. a first prestressed supporting rod; 5. a second prestressed supporting rod; 6. a threaded connecting rod; 601. rotating the handle; 602. a threaded rod; 7. supporting piles; 701. a limiting block; 702. a screw; 703. supporting a pile foot; 704. supporting a vertical plate; 8. fixing a nut; 9. and (5) supporting the panel.
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.
Referring to fig. 1, the prestress assembled supporting device for trench excavation comprises at least two groups of supporting members, wherein the two groups of supporting members are arranged on two surfaces of a trench foundation pit 1; meanwhile, two groups of supporting members are selected for use, and an operator can select four groups, but when two groups of symmetrical supporting members are installed, difficulty exists, but the operation can also be realized, and the operator can select the supporting members according to the requirement; a prestressed supporting member is arranged between the two groups of supporting members and used for fixing and limiting the two groups of symmetrical supporting members;
referring to fig. 1, the supporting member includes a crown beam 2 installed on the upper surface of the trench foundation pit, the crown beam 2 is fixed on the top of the surface to be fixed of the trench foundation pit, and the crown beam 2 is rectangular frame-shaped structure, and may be in other shapes, but its bottom needs to be attached to the top of the trench, so as to ensure the stability between the two; the side, facing the groove, of the foundation pit of the top beam 2 is fixedly provided with a supporting pile groove 201, a supporting pile 7 used for supporting the groove in the vertical direction is inserted into the supporting pile groove 201 of the top beam 2, at the moment, one side of the supporting pile 7 is attached to the inner surface of the groove foundation pit 1, the bottom of the supporting pile 7 is inserted into the bottom of the groove foundation pit, and a supporting panel 9 used for supporting the groove in the horizontal direction is installed on the supporting pile 7.
Referring to fig. 5, the supporting pile 7 includes a limiting block 701, a screw 702 and a supporting vertical plate 704, the limiting block 701 is disposed at the top of the supporting vertical plate 704, the limiting block 701 can be just engaged with the supporting pile groove 201, and the supporting pile 7 cannot slide down from the supporting pile groove 201; when the supporting vertical plate 704 penetrates through the supporting pile groove 201 in the crown beam 2, the top of the limiting block 701 is just clamped on the crown beam 2 to play a limiting role; meanwhile, the bottom of the supporting vertical plate 704 is fixedly provided with a supporting pile foot 703, the supporting pile foot 703 is inserted into the bottom of the groove foundation pit in a triangular shape during installation, so that the stability of the supporting pile 7 is ensured, the supporting pile foot 703 can be conveniently inserted into the groove foundation pit by adopting the triangular shape or the conical shape, a certain labor-saving effect is achieved, and meanwhile, the deformation of the pile bottom can be limited;
referring to fig. 5, at least one set of screws 702 is arranged on one side of the supporting vertical plate 704 facing the trench foundation pit, where the number of the screws 702 is selected according to the length of the supporting vertical plate 704, and the length of the supporting vertical plate 704 is selected according to the depth of the trench foundation pit, and the number of the screws 702 refers to the number of the supporting panels 9, which is not limited to the number of the screws 702 shown in the drawings of the present application; during installation, after the supporting panel 9 is attached to the supporting vertical plate 704 through the screw 702, the fixing nut 8 is then used to connect with the screw 702, so that the fixing nut 8 can lock the supporting panel 9, where it should be noted that the supporting panel 9 may be made of steel, pig iron, or wood, etc. with certain strength, where several material choices of the supporting panel 9 are given, but not limited, and an operator may select the material of the supporting panel 9 according to needs.
Referring to fig. 2, the prestressed supporting members may be provided with a plurality of groups, and the number of the groups to be provided is selected according to the size of the groove foundation pit, so as to ensure that the prestressed supporting members can ensure that the supporting members on both sides can be stably fixed on the side surfaces of the groove foundation pit, wherein both sides of the prestressed supporting members are connected to the supporting limit bases 3, the supporting limit bases 3 may also be provided with a plurality of groups, which may be respectively fixed on the supporting panel 9 and the crown beam 2, and an operator at a specific position may select as required, so as to ensure that the supporting members on both sides are stable.
Referring to fig. 3, the prestressed supporting member includes a first prestressed supporting rod 4, a second prestressed supporting rod 5 and a threaded connecting rod 6 connecting the two, when an operator wants to adjust the length of the prestressed supporting member, the first prestressed supporting rod 4 or the second prestressed supporting rod 5 can be rotated as required, so that the prestressed supporting member can be rotated on the threaded connecting rod 6, and the overall length of the prestressed supporting member can be adjusted; the other ends of the first prestressed supporting rod 4 and the second prestressed supporting rod 5 are respectively connected to the supporting limit base 3, and the connection can also be in threaded connection, namely the other ends of the first prestressed supporting rod 4 and the second prestressed supporting rod 5 are respectively in threaded connection to the supporting limit base 3.
In a further implementation process, referring to fig. 1, the threaded connecting rod 6 comprises a rotating handle 601 and a threaded rod 602, the threaded rod 602 and the rotating handle 601 are distributed in a cross shape, and the threaded connecting rod 6 is in a cross-shaped structure, so that the stability of the threaded connecting rod can be ensured, an operator can rotate conveniently, and convenience is brought to the operator; two ends of the threaded rod 602 are respectively connected to the first prestressed supporting rod 4 and the second prestressed supporting rod 5.
Referring to fig. 2, the crown beam 2 is a rectangular frame structure, and the rectangular frame structure is adopted, so that the crown beam 2 can be stably placed above the groove foundation pit; crown beam 2 is equipped with a fender pile groove 201 towards the foundation ditch one side of slot firmly, and a fender pile 7 is worn out from a fender pile groove 201, and after wearing out, the top card of a fender pile 7 prevents that the pile body from subsiding downwards in the top of a fender pile groove 201.
The construction method is safe, reliable, rapid in construction, recyclable and applicable to trench excavation construction at different depths and different widths; the specific operating principle is as follows: before use, firstly welding the supporting limit base 3 on one side of the supporting pile groove 201 (as shown in fig. 2), then installing the prestress supporting member, and installing the first prestress supporting rod 4 and the second prestress supporting rod 5 by using the threaded connecting rod 6, wherein when the prestressed supporting member is used at the later stage, an operator can also rotate the first prestress supporting rod 4 and the second prestress supporting rod 5 to adjust the overall length of the prestress supporting member;
during installation, the two crown beams 2 are taken and placed at the tops of two symmetrical surfaces of the groove foundation pit 1 to be parallel to the top of the groove foundation pit 1 optimally (as shown in fig. 1), then when a certain depth is excavated in the groove, the support pile 7 can be inserted into the support pile groove 201, the support pile foot 703 at the bottom of the support pile 7 is inserted into soil at the bottom of the foundation pit, after all the support piles 7 are completely installed, the two symmetrical crown beams 2 of the prestressed supporting member are taken for fixing, namely, two ends of the prestressed supporting member are respectively fixed with the two supporting and limiting bases 3 at corresponding positions, so that the two crown beams 2 are stabilized, the length of the prestressed supporting member is adjusted, two ends of the prestressed supporting member are abutted against the two crown beams 2, and the stability of the prestressed supporting member is ensured;
then, the foundation pit is continuously excavated, when a certain depth is excavated, the pre-stressed supporting component between the two crown beams cannot support the foundation pit, at the moment, a supporting panel 9 needs to be added, the supporting panel 9 is attached to a supporting pile 7, a screw 702 on the supporting pile 7 penetrates through the supporting panel 9, at the moment, the supporting panel 9 is in a U-shaped structure (as shown in fig. 6), the recessed surface is attached to the side wall of the foundation pit, the connecting ends at the two ends are attached to the supporting pile 7, and the screw 702 penetrates through the connecting ends at the two ends of the supporting panel 9 and is fixed by using a fixing nut 8; in the same way, according to the depth of the groove foundation pit 1, after the supporting panel 9 is installed, the supporting limiting base 3 is taken and welded on the supporting panel 9, and the prestressed supporting member is taken to fix the two ends of the supporting limiting base 3 welded on the supporting panel 9, so that the foundation pit is reinforced, and the technical characteristics of 'supporting along with digging' are realized. The construction of the prestress assembly type recyclable support device can effectively ensure the safety in the municipal pipe network groove construction process.
Although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such descriptions are provided for clarity, and it is understood that the specification is incorporated herein by reference, and the embodiments described in each embodiment may be combined as appropriate to form other embodiments, which will be apparent to those skilled in the art.
Therefore, the above description is only for the preferred embodiment of the present application and is not intended to limit the scope of the present application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (7)
1. The utility model provides a trench excavation prestressing force assembled supporting device, includes at least two sets of supporting members, and two sets of supporting members are installed at the wherein two sides of slot foundation ditch, its characterized in that: a prestressed supporting member is arranged between the two groups of supporting members;
the supporting member comprises a top beam (2) arranged on the upper surface of the groove foundation pit, supporting piles (7) used for supporting the groove in the vertical direction are inserted into the top beam (2), and supporting panels (9) used for supporting the groove in the horizontal direction are arranged on the supporting piles (7).
2. The pre-stressed assembled supporting device for trenching as claimed in claim 1, wherein: the supporting pile (7) comprises a limiting block (701), a screw rod (702) and a supporting vertical plate (704), the limiting block (701) is arranged at the top of the supporting vertical plate (704), and when the supporting vertical plate (704) penetrates through the crown beam (2), the limiting block (701) is clamped on the crown beam (2);
support riser (704) and be equipped with at least a set of screw rod (702) towards the foundation ditch one side of slot, support panel (9) run through screw rod (702) and support riser (704) laminating back, use fixation nut (8) to be connected with screw rod (702).
3. The pre-stressed assembled supporting device for trenching excavation of claim 2, wherein: and supporting pile feet (703) are fixedly arranged at the bottoms of the supporting vertical plates (704), and the supporting pile feet (703) are inserted into the groove foundation pit in a triangular shape.
4. The pre-stressed assembled supporting device for trenching as claimed in claim 1, wherein: the prestress supporting member comprises a first prestress supporting rod (4), a second prestress supporting rod (5) and a threaded connecting rod (6) for connecting the first prestress supporting rod and the second prestress supporting rod, and the other ends of the first prestress supporting rod (4) and the second prestress supporting rod (5) are connected to the supporting limiting base (3) respectively.
5. The pre-stressed assembled supporting device for trenching as claimed in claim 4, wherein: the prestress supporting members are provided with a plurality of groups, wherein the supporting limit bases (3) are provided with a plurality of groups and are respectively fixed on the supporting panel (9) and the crown beam (2).
6. The pre-stressed assembled supporting device for trenching excavation of claim 4, wherein: the threaded connecting rod (6) comprises a rotating handle (601) and a threaded rod (602), the threaded rod (602) and the rotating handle (601) are distributed in a cross shape, and two ends of the threaded rod (602) are connected to a first prestressed supporting rod (4) and a second prestressed supporting rod (5) respectively.
7. The pre-stressed assembled supporting device for trenching as claimed in claim 1, wherein: the top beam (2) is of a rectangular frame structure, a supporting pile groove (201) is fixedly formed in one side, facing the groove, of the top beam (2) of the foundation pit, and the supporting piles (7) penetrate out of the supporting pile groove (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222196506.7U CN218437085U (en) | 2022-08-19 | 2022-08-19 | Trench excavation prestressing force assembled supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222196506.7U CN218437085U (en) | 2022-08-19 | 2022-08-19 | Trench excavation prestressing force assembled supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218437085U true CN218437085U (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222196506.7U Active CN218437085U (en) | 2022-08-19 | 2022-08-19 | Trench excavation prestressing force assembled supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218437085U (en) |
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2022
- 2022-08-19 CN CN202222196506.7U patent/CN218437085U/en active Active
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