CN209011138U - A kind of slope retaining device for excavation of foundation pit - Google Patents
A kind of slope retaining device for excavation of foundation pit Download PDFInfo
- Publication number
- CN209011138U CN209011138U CN201821722728.5U CN201821722728U CN209011138U CN 209011138 U CN209011138 U CN 209011138U CN 201821722728 U CN201821722728 U CN 201821722728U CN 209011138 U CN209011138 U CN 209011138U
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- Prior art keywords
- foundation pit
- cross
- excavation
- brace
- retaining device
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 230000013011 mating Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000003447 ipsilateral effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The utility model discloses a kind of slope retaining devices for excavation of foundation pit, it is related to foundation pit stope support field, its technical solution includes the Larsen steel sheet pile being arranged along foundation pit side-wall, the several layers support plate being bolted on Larsen steel sheet pile, the telescopic longitudinal bracing component for further including the cross-brace beam being arranged in multiple support plates and being arranged in foundation pit between opposite sides cross-brace beam, the cross-brace beam ipsilateral positioned at foundation pit connects one by one along foundation pit length direction, the both ends of the cross-brace beam are machined with step surface, two step surfaces overlap joint；Adjacent two cross-brace beams are machined with the plug and slot being mutually inserted on axially opposing end face, limit two cross-brace beams by plug and slot and are detached from along the direction of vertical stand terrace；In two step surfaces, mutually overlapped that mating surface is provided with tongue-and-groove, and two tongue-and-grooves form mortise after step surface mutually fastens；Dowel is inserted into mortise.It is simple with working procedure, the fast effect of assembled speed.
Description
Technical field
The utility model relates to the technical field of foundation pit stope support more particularly to a kind of side slope branch for excavation of foundation pit
Protection unit.
Background technique
With urbanization process fast development, city size is growing, and urban road load is increasing, urban pipe network
It is intricate.Existing pipeline network leak emergency first-aid repair is difficult to meet city burst underground utilities accident emergency response needs, also unfavorable
In prevent and reduce natural disasters, disaster alarm system it is perfect.Too long emergency repair time expands consequence and the people of disaster more indirectly
Loss, cause bad influence.
Many pipelines repair the support pattern of groove foundation pit due to the features such as buried depth is big, and width scales are small, length is long to draw
Based on gloomy steel sheet pile+horizontally-supported building enclosure.Building enclosure needs the size according to foundation pit, depth to choose steel pipe, I-steel
Or H profile steel progress is horizontally-supported.Bracing members rod piece can cooperate Larsen steel sheet pile, form a complete foundation pit supporter
System.But use traditional pattern foundation pit supporting structure equipment, the underground pipe network that working procedure is complicated, duty cycle is long, high for time requirement
Repairing operation still is apparent not enough.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of side slopes for excavation of foundation pit
Suspension device, its advantage is that: working procedure is simple, and supporting equipment is assembled and decomposition rate is fast.
The above-mentioned purpose of the utility model has the technical scheme that a kind of side for excavation of foundation pit
Slope suspension device, including along the Larsen steel sheet pile that foundation pit side-wall is arranged, the several layers being bolted on Larsen steel sheet pile support
Plate further includes the cross-brace beam being arranged in multiple support plates and setting in foundation pit between opposite sides cross-brace beam
Telescopic longitudinal bracing component, the cross-brace beam ipsilateral positioned at foundation pit connect one by one along foundation pit length direction, the cross
Step surface, two step surfaces overlap joint are machined with to the both ends of supporting beam；Adjacent two cross-brace beams are in axially opposing end face
On be machined with the plug and slot being mutually inserted, two cross-brace beams are limited along the direction of vertical stand terrace by plug and slot
It is detached from；In two step surfaces, mutually overlapped that mating surface is provided with tongue-and-groove, and two tongue-and-grooves form mortise after step surface mutually fastens；?
Dowel is inserted into mortise.
By using above-mentioned technical proposal, excavation slope is tentatively supported by Larsen steel sheet pile, then passes through transverse direction
Power on each Larsen steel sheet pile is transmitted on longitudinal bracing component by supporting beam, then balances foundation pit by longitudinal bracing component
Opposite sides is to the extruding force inside foundation pit；Adjacent cross-brace beam can be realized by its own structure and dowel and be fixed
Connection, working procedure is simple, and assembled speed is fast.
The utility model is further arranged to: the longitudinal bracing component includes hydraulic jack and is fixedly connected on liquid
Press the longitudinal support beam at jack both ends.
By using above-mentioned technical proposal, the setting of hydraulic jack can make longitudinal bracing component stretch, convenient
Worker assembles, and during installation, worker can also apply pretightning force by hydraulic jack, to enhance slope retaining effect
Fruit.
The utility model is further arranged to: the cross-brace beam opens up along its length away from the side of Larsen steel plate
There are several limiting slots, the limiting slot includes limiting section, and guide pin is plugged in the limiting section, is offered on the guide pin
Guide groove, the longitudinal support beam have been wholely set to lead through guide pin and be inserted back into limiting section away from one end of hydraulic jack
Top.
By using above-mentioned technical proposal, during installation, guide pin can be inserted into limiting section by worker with line, then incited somebody to action
Top is along guide groove insertion limiting section, and by the restriction effect of limiting section and guide groove, top will not transversely supporting beam axis
Line direction is mobile, avoids longitudinal support beam and cross-brace beam from disengaging, leads to slope retaining failure of apparatus；And guide pin is set
The forced area that can increase on cross-brace beam is set, cross-brace beam is avoided to be damaged, and is oriented to that chip architecture is simple, is fabricated to
This is low, even if damage is also convenient for replacing.
The utility model is further arranged to: the top includes fixinig plate and the restriction that shape is mutually agreed with guide groove
Piece, described limit are equipped with the C-shaped clamping space in section between piece and fixinig plate, the limiting slot cooperation fixinig plate offers solid
Determine portion.
By using above-mentioned technical proposal, when top slides along guide groove to inserting slot construction, limits piece and be affixed with guide groove
It closes, fixinig plate cooperation limits piece and guide pin is engaging in clamping space, makes guide pin in the common insertion inserting slot construction in top.
The utility model is further arranged to: the guide groove is trapezoidal.
Through the above technical solutions, making one that restriction piece can be easier to be inserted into guide groove, and trapezoidal guide groove
Top can be reinforced, avoiding top, transversely supporting beam axis direction is subjected to displacement.
This practicability is further arranged to: the restriction piece has been wholely set inserted block, institute away from one end of longitudinal support beam
It states limiting slot cooperation inserted block and offers jack portion.
Through the above technical solutions, inserted block is inserted in jack portion, increase the contact area of top with inserting slot construction, thus
Keep the connection structure between cross-brace beam and vertical supporting bar more stable.
The utility model is further arranged to: the dowel has been wholely set support base far from one end of Larsen steel sheet pile,
The support base is provided with away from one end of dowel and limiting slot.
Dowel is extracted from mortise through the above technical solutions, the setting of support base first can be convenient worker, and is led to
It crosses and limiting slot is set on support base, longitudinal bracing component can be made to be arranged between two opposite support bases, thus into one
Step reinforces the connection between cross-brace beam.
In conclusion the utility model has the following beneficial effects:
1, excavation slope is tentatively supported by Larsen steel sheet pile, then passes through cross-brace beam for each Larsen steel plate
Power in stake is transmitted on longitudinal bracing component, and foundation pit opposite sides is then balanced by longitudinal bracing component to inside foundation pit
Extruding force；Adjacent cross-brace beam can be achieved a fixed connection by its own structure and dowel, and working procedure is simple, be spelled
It is fast to fill speed；
2, the setting of hydraulic jack can make longitudinal bracing component stretch, and facilitate worker assembles, and pacifying
When dress, worker can also apply pretightning force by hydraulic jack, to enhance slope retaining effect；
3, the setting of support base first can be convenient worker and extract dowel from mortise, and by being arranged on support base
Limiting slot can be such that longitudinal bracing component is arranged between two opposite support bases, to further reinforce cross-brace group
The structure of part.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is to embody the schematic diagram that the connection structure between adjacent cross-brace beam is done；
Fig. 3 is to embody the schematic diagram that the connection structure between support base and longitudinal bracing component is done.
Appended drawing reference: 1, Larsen steel sheet pile；2, support plate；3, lateral support beam；31, plug；32, slot；33, tongue-and-groove；
34, dowel；341, support base；35, limiting slot；351, limiting section；352, fixed part；353, jack portion；4, longitudinal bracing component；
41, hydraulic jack；42, longitudinal support beam；43, it comes directly towards；431, fixinig plate；432, piece is limited；433, inserted block；5, guide pin；
51, guide groove.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
A kind of slope retaining device for excavation of foundation pit, as shown in Figure 1, including the Larsen steel plate along foundation pit side-wall setting
Stake 1, the support plate 2 being bolted on Larsen steel sheet pile 1, multiple cross-brace beams and the setting being arranged in support plate 2
In the telescopic longitudinal bracing component 4 in foundation pit between opposite sides cross-brace beam, the cross-brace ipsilateral positioned at foundation pit
Beam links together along foundation pit length direction.
As shown in figures 1 and 3, longitudinal bracing component 4 including hydraulic jack 41 and is fixedly connected on hydraulic jack
The longitudinal support beam 42 at 41 both ends.It is equidistantly offered along its length in the separate side for stretching steel plate of cross-brace beam several
A limiting slot 35, limiting slot 35 include the limiting section 351 of connection being opened on cross-brace beam side wall, fixed part 352 and insert
Hole portion 353.It is plugged with guide pin 5 in limiting section 351, trapezoidal guide groove 51 is offered on guide pin 5.In longitudinal branch
Support beam 42 is wholely set away from one end of hydraulic jack 41 and can lead the top being inserted back into limiting section 351 through guide pin 5
43, top 43 includes the restriction piece 432 agreed with the fixinig plate 431 of 352 grafting of fixed part and shape and 51 phase of guide groove,
It limits piece 432 and is wholely set the inserted block 433 with 353 grafting of jack portion away from one end of longitudinal support beam 42, limiting piece 432
Equipped with the clamping space that the section being inserted into for guide pin 5 is C-shaped between fixinig plate 431.
As depicted in figs. 1 and 2, the both ends of cross-brace beam are machined with step surface, two step surfaces overlap joint；Adjacent two cross
The plug 31 and slot 32 being mutually inserted are machined on axially opposing end face to supporting beam, is limited by plug 31 and slot 32
Two cross-brace beams are made to be detached from along the direction of vertical stand terrace；In two step surfaces, mutually overlapped that mating surface is provided with tongue-and-groove 33,
Two tongue-and-grooves 33 form mortise after step surface mutually fastens；Dowel 34 is inserted in mortise, in dowel 34 far from stretching steel sheet pile
One end be wholely set support base 341, the side of dowel 34 is provided with limiting slot 35 in support base 341.
The implementation principle of the present embodiment are as follows: before excavation of foundation pit, need that first Larsen steel sheet pile 1 is driven underground, then make
Started to dig foundation pit with excavating equipment.After excavating certain depth, suitable Larsen steel sheet pile 1 is selected, is then passed through on it
Then bolt fixed support plate 2 is placed into multiple cross-brace beams in support plate 2 along foundation pit length direction, and makes adjacent
Step surface overlap joint on cross-brace beam, plug 31 are inserted into corresponding slot 32, and dowel 34 is then inserted into two step surface phases
In the mortise formed after mutually fastening, after the completion of cross-brace beam arrangement, suitable limiting slot 35 is selected, then by guide pin 5
It is inserted into limiting section 351, is then placed into longitudinal supporting assembly between two opposite guide pins 5, pass through elongation hydraulic thousand
Jin makes to be in the corresponding limiting slot 35 of 43 insertion of top.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (7)
1. a kind of slope retaining device for excavation of foundation pit, Larsen steel sheet pile (1), bolt including being arranged along foundation pit side-wall connect
The support plate (2) on Larsen steel sheet pile (1) is connect, it is characterized in that: further including the multiple cross-braces being arranged on support plate (2)
It is same to be located at foundation pit for beam and the telescopic longitudinal bracing component (4) being arranged in foundation pit between opposite sides cross-brace beam
The cross-brace beam of side connects one by one along foundation pit length direction, and the both ends of the cross-brace beam are machined with step surface, and two
Terrace overlap joint；Adjacent two cross-brace beams are machined with the plug (31) and slot being mutually inserted on axially opposing end face
(32), two cross-brace beams are limited by plug (31) and slot (32) to be detached from along the direction of vertical stand terrace；In two step surfaces
Mutually overlapped, and mating surface is provided with tongue-and-groove (33), and two tongue-and-grooves (33) form mortise after step surface mutually fastens；In mortise
It is inserted into dowel (34).
2. a kind of slope retaining device for excavation of foundation pit according to claim 1, it is characterized in that: the longitudinal bracing
Component (4) includes hydraulic jack (41) and the longitudinal support beam (42) for being fixedly connected on hydraulic jack (41) both ends.
3. a kind of slope retaining device for excavation of foundation pit according to claim 2, it is characterized in that: the cross-brace
Beam offers several limiting slots (35) along its length away from the side of Larsen steel plate, and the limiting slot (35) includes limiting section
(351), it is plugged with guide pin (5) in the limiting section (351), is offered guide groove (51) on the guide pin (5), it is described vertical
It has been wholely set to lead through guide pin (5) away from the one end of hydraulic jack (41) to supporting beam (42) and has been inserted back into limiting section
(351) top (43) in.
4. a kind of slope retaining device for excavation of foundation pit according to claim 3, it is characterized in that: the top (43)
Including the restriction piece (432) that fixinig plate (431) and shape mutually agree with guide groove (51), the restriction piece (432) and fixation
The C-shaped clamping space in section is equipped between piece (431), limiting slot (35) cooperation fixinig plate (431) offers fixed part
(352)。
5. a kind of slope retaining device for excavation of foundation pit according to claim 4, it is characterized in that: the guide groove
(51) trapezoidal.
6. a kind of slope retaining device for excavation of foundation pit according to claim 5, it is characterized in that: the restriction piece
(432) one end away from longitudinal support beam (42) has been wholely set inserted block (433), and the limiting slot (35) cooperates inserted block (433)
Offer jack portion (353).
7. a kind of slope retaining device for excavation of foundation pit according to claim 6, it is characterized in that: the dowel (34)
One end far from Larsen steel sheet pile (1) has been wholely set support base (341), and the support base (341) deviates from the one of dowel (34)
End is provided with and limiting slot (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821722728.5U CN209011138U (en) | 2018-10-23 | 2018-10-23 | A kind of slope retaining device for excavation of foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821722728.5U CN209011138U (en) | 2018-10-23 | 2018-10-23 | A kind of slope retaining device for excavation of foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209011138U true CN209011138U (en) | 2019-06-21 |
Family
ID=66839669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821722728.5U Expired - Fee Related CN209011138U (en) | 2018-10-23 | 2018-10-23 | A kind of slope retaining device for excavation of foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209011138U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409457A (en) * | 2019-06-26 | 2019-11-05 | 贵州建工集团第一建筑工程有限责任公司 | Deep foundation pit supporting structure and its construction method under the conditions of a kind of karst area |
| CN111042147A (en) * | 2019-11-20 | 2020-04-21 | 天津建岩岩土工程有限公司 | Screw-in type steel pile supporting method |
| CN111456032A (en) * | 2020-04-28 | 2020-07-28 | 中铁工程装备集团有限公司 | Foundation pit supporting system and construction method thereof |
| CN111809631A (en) * | 2020-07-19 | 2020-10-23 | 吴晓力 | Ultra-deep foundation pit supporting device and using method |
| CN112411566A (en) * | 2020-11-09 | 2021-02-26 | 上海市政工程设计研究总院（集团）有限公司 | Foundation pit support replacing part and pouring method thereof |
| CN112609700A (en) * | 2020-10-28 | 2021-04-06 | 温州城建集团股份有限公司 | Building basement foundation ditch slope support fixing device |
| CN114622576A (en) * | 2022-04-12 | 2022-06-14 | 陕西省三和建设工程有限公司 | Supporting device with anti-collapse structure for pipe ditch excavation |
| CN115354668A (en) * | 2022-09-15 | 2022-11-18 | 曾春凤 | Landscaping engineering support construction method |
| CN115354647A (en) * | 2022-08-02 | 2022-11-18 | 中国建筑第四工程局有限公司 | Supporting device and method for Larsen steel sheet pile |
-
2018
- 2018-10-23 CN CN201821722728.5U patent/CN209011138U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409457A (en) * | 2019-06-26 | 2019-11-05 | 贵州建工集团第一建筑工程有限责任公司 | Deep foundation pit supporting structure and its construction method under the conditions of a kind of karst area |
| CN111042147A (en) * | 2019-11-20 | 2020-04-21 | 天津建岩岩土工程有限公司 | Screw-in type steel pile supporting method |
| CN111456032B (en) * | 2020-04-28 | 2022-02-15 | 中铁工程装备集团有限公司 | Foundation pit supporting system and construction method thereof |
| CN111456032A (en) * | 2020-04-28 | 2020-07-28 | 中铁工程装备集团有限公司 | Foundation pit supporting system and construction method thereof |
| CN111809631A (en) * | 2020-07-19 | 2020-10-23 | 吴晓力 | Ultra-deep foundation pit supporting device and using method |
| CN112609700A (en) * | 2020-10-28 | 2021-04-06 | 温州城建集团股份有限公司 | Building basement foundation ditch slope support fixing device |
| CN112609700B (en) * | 2020-10-28 | 2022-03-08 | 温州城建集团股份有限公司 | Building basement foundation ditch slope support fixing device |
| CN112411566A (en) * | 2020-11-09 | 2021-02-26 | 上海市政工程设计研究总院（集团）有限公司 | Foundation pit support replacing part and pouring method thereof |
| CN114622576A (en) * | 2022-04-12 | 2022-06-14 | 陕西省三和建设工程有限公司 | Supporting device with anti-collapse structure for pipe ditch excavation |
| CN114622576B (en) * | 2022-04-12 | 2024-05-28 | 陕西省三和建设工程有限公司 | Supporting device with collapse-preventing structure for trench excavation |
| CN115354647A (en) * | 2022-08-02 | 2022-11-18 | 中国建筑第四工程局有限公司 | Supporting device and method for Larsen steel sheet pile |
| CN115354668A (en) * | 2022-09-15 | 2022-11-18 | 曾春凤 | Landscaping engineering support construction method |
| CN115354668B (en) * | 2022-09-15 | 2024-05-24 | 广东美伦环境建设有限公司 | Afforestation engineering supporting construction method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190621 |