CN111350192A - Foundation ditch supporting device of adjustable support distance for foundation engineering - Google Patents
Foundation ditch supporting device of adjustable support distance for foundation engineering Download PDFInfo
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- CN111350192A CN111350192A CN201811563002.6A CN201811563002A CN111350192A CN 111350192 A CN111350192 A CN 111350192A CN 201811563002 A CN201811563002 A CN 201811563002A CN 111350192 A CN111350192 A CN 111350192A
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- supporting
- plate
- foundation
- protection plate
- distance
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
Abstract
The invention discloses a foundation pit supporting device with adjustable supporting distance for foundation engineering, which comprises a first supporting and protecting plate, a second supporting and protecting plate and a third supporting and protecting plate, wherein two fixing plates are symmetrically welded on the rear surfaces of the first supporting and protecting plate, the upper fixing plates of the first supporting and protecting plate, the second supporting and protecting plate and the third supporting and protecting plate are connected through a connecting plate, limiting clamps are welded at two ends of the connecting plate, a clamping groove matched with the connecting plate for use is formed in the fixing plate, two groups of mounting clamps are symmetrically welded between the two fixing plates on the rear surfaces of the first supporting and protecting plate and the third supporting and protecting plate, and a rotating ring is connected between each group of mounting clamps through a pin shaft. In the device, the cross sections of the connecting plate and the clamping groove are also of concave structures and are matched with each other, so that the connecting plate is higher in stability when being inserted into the clamping groove, and the supporting stability and safety of the device are improved.
Description
Technical Field
The invention relates to the technical field of foundation pit protection, in particular to a foundation pit supporting device with an adjustable supporting distance for foundation engineering.
Background
The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site before excavation, waterproof drainage work is carried out, a method for placing a side slope can be used for people who do not excavate deeply to stabilize the soil slope, the size of the slope is determined according to relevant construction regulations, people who excavate deeper and nearby buildings can use a foundation pit wall supporting method and a concrete injection wall protecting method, and a large foundation pit even adopts methods such as interlocking of an underground continuous wall and a column type bored concrete pile to prevent the collapse of the outer side soil layer; for those who have no influence on nearby buildings, the underground water level can be reduced by a well point method, and slope releasing open cut is adopted; in cold regions, natural cold freezing method can be adopted for excavation and the like.
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 the construction of an underground structure and the surrounding environment of the foundation pit, however, the traditional foundation pit supporting component is simple in structure, large in applicable site limitation, low in supporting stability and difficult to meet the requirements of people.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a foundation pit supporting device with adjustable supporting distance for foundation engineering.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a foundation ditch supporting device of adjustable support distance for foundation engineering, includes that first backplate, second backplate and third backplate prop up, the equal symmetrical welding of backplate rear surface has two fixed plates for first backplate, second and third backplate, first backplate, second backplate and third backplate upper fixed plate connect through linking the board, the both ends welding of linking the board has spacing card, set up the draw-in groove that the cooperation was used even the board on the fixed plate, the symmetrical welding has two sets of installation cards between first backplate and the third backplate rear surface lies in two fixed plates, there is the change through the round pin hub connection between every group installation card, the change outer wall welding has the connecting rod, telescopic strut has been cup jointed inside the connecting rod, telescopic strut's one end welding has the backing plate.
As a further description of the above technical solution:
and a positioning bolt for positioning the connecting plate is inserted into the fixing rod.
As a further description of the above technical solution:
the first supporting and protecting plate, the second supporting and protecting plate and the third supporting and protecting plate are mutually parallel.
As a further description of the above technical solution:
the cross section of the connecting plate is of a concave structure.
As a further description of the above technical solution:
the outer wall of the connecting rod is inserted with a positioning pin for positioning the telescopic supporting rod.
As a further description of the above technical solution:
the inner diameter of the rotating ring is the same as the outer diameter of the pin shaft.
According to the device, firstly, the device is formed by combining a first supporting plate, a second supporting plate and a third supporting plate, the distance among the first supporting plate, the second supporting plate and the third supporting plate can be adjusted, so that the device supports foundation pits with various heights, secondly, cross sections of a connecting plate and a clamping groove in the device are of concave structures and are matched with each other, so that the stability of the connecting plate when the connecting plate is inserted into the clamping groove is higher, the supporting stability and the safety of the device are improved, furthermore, a transfer ring in the device can rotate on a pin shaft, the angle of a telescopic supporting rod can be adjusted, meanwhile, the supporting distance of the device is adjusted by pulling the telescopic supporting rod, and the application range of the device is expanded.
Drawings
Fig. 1 is a schematic structural diagram of a foundation pit supporting device with adjustable supporting distance for foundation engineering according to the present invention;
FIG. 2 is a schematic view of a telescopic strut connection structure according to the present invention;
fig. 3 is a schematic structural view of a fixing plate according to the present invention.
Illustration of the drawings:
1-limiting clamp, 2-fixing plate, 3-first supporting plate, 4-connecting plate, 5-second supporting plate, 6-third supporting plate, 7-pin shaft, 8-mounting clamp, 9-backing plate, 10-telescopic supporting rod, 11-connecting rod, 12-rotating ring, 13-positioning pin, 14-positioning bolt and 15-clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 3, a supporting distance adjustable foundation pit supporting device for foundation engineering includes a first supporting plate 3, a second supporting plate 5 and a third supporting plate 6, the first supporting plate 3, the equal symmetrical welding in 6 rear surfaces of the second backplate 5 and the third backplate has two fixed plates 2, first backplate 3, the second backplate 5 and the 6 upper fixed plate 2 of third backplate are connected through linking board 4, the welding in both ends of linking board 4 has spacing card 1, the draw-in groove 15 that the cooperation linked board 4 used has been seted up on the fixed plate 2, the symmetrical welding has two sets of installation cards 8 between 6 rear surfaces of first backplate 3 and the third backplate lie in two fixed plates 2, be connected with swivel 12 through round pin axle 7 between every group installation card 8, swivel 12 outer wall welding has connecting rod 11, telescopic strut 10 has been cup jointed to connecting rod 11 inside, the welding of one end of telescopic strut 10 has backing plate 9.
It has the positioning bolt 14 that is used for advancing line location to link board 4 to peg graft on the dead lever 2, first backplate 3, be parallel to each other between second backplate 5 and the third backplate 6, link board 4 cross section is the spill structure, it has the locating pin 13 that is used for advancing line location to telescopic strut 10 to peg graft to connecting rod 11 outer wall, the internal diameter size of swivel 12 is the same with the external diameter size of round pin axle 7, the cross section of draw-in groove 4 is the spill structure equally, agree with link board 4 each other, stability when making link board 4 insert in draw-in groove 4 is higher, thereby increase the device's support stability and security, swivel 12 can rotate on round pin axle 7, adjust the support distance of the device through twitching telescopic strut 10, promote the device's application scope.
The working principle is as follows: during the use, at first according to the first backplate 3 of the high slip of foundation ditch of strutting, second backplate 5 and third backplate 6, make first backplate 3 be located the foundation ditch top, second backplate 5 is located the foundation ditch middle part, third backplate 6 is located the foundation ditch bottom, adjust and fix a position it through positioning bolt 14 after accomplishing, take out telescopic strut 10 again, change ring 12 simultaneously, make the backing plate 9 roof pressure of telescopic strut 10 below press on corresponding support or strutting arrangement in the foundation ditch, and carry out the pin joint through locating pin 13 and fix telescopic strut 10's length, accomplish the device and strut the foundation ditch.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A foundation pit supporting device with adjustable supporting distance for foundation engineering comprises a first supporting protection plate (3), a second supporting protection plate (5) and a third supporting protection plate (6), and is characterized in that two fixing plates (2) are symmetrically welded on the rear surfaces of the first supporting protection plate (3), the second supporting protection plate (5) and the third supporting protection plate (6), the upper fixing plates (2) of the first supporting protection plate (3), the second supporting protection plate (5) and the third supporting protection plate (6) are connected through connecting plates (4), limiting clamps (1) are welded at the two ends of each connecting plate (4), clamping grooves (15) matched with the connecting plates (4) are formed in the fixing plates (2), two groups of installation clamps (8) are symmetrically welded between the two fixing plates (2) on the rear surfaces of the first supporting protection plate (3) and the third supporting protection plate (6), a rotating ring (12) is connected between each group of installation clamps (8) through a pin shaft (7), the outer wall of the rotating ring (12) is welded with a connecting rod (11), a telescopic supporting rod (10) is sleeved inside the connecting rod (11), and a backing plate (9) is welded at one end of the telescopic supporting rod (10).
2. The foundation pit supporting device with adjustable supporting distance for foundation engineering according to claim 1, wherein a positioning bolt (14) for positioning the connecting plate (4) is inserted on the fixing rod (2).
3. A supporting distance adjustable foundation pit supporting device for foundation engineering according to claim 1, wherein the first supporting plate (3), the second supporting plate (5) and the third supporting plate (6) are parallel to each other.
4. The foundation pit supporting device with adjustable supporting distance for foundation engineering of claim 1, characterized in that the cross section of the connecting plate (4) is a concave structure.
5. The foundation pit supporting device with adjustable supporting distance for the foundation engineering according to claim 1, characterized in that the outer wall of the connecting rod (11) is inserted with a positioning pin (13) for positioning the telescopic supporting rod (10).
6. The foundation pit supporting device with adjustable supporting distance for foundation engineering according to claim 1, wherein the inner diameter of the swivel (12) is the same as the outer diameter of the pin shaft (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811563002.6A CN111350192A (en) | 2018-12-20 | 2018-12-20 | Foundation ditch supporting device of adjustable support distance for foundation engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811563002.6A CN111350192A (en) | 2018-12-20 | 2018-12-20 | Foundation ditch supporting device of adjustable support distance for foundation engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111350192A true CN111350192A (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811563002.6A Pending CN111350192A (en) | 2018-12-20 | 2018-12-20 | Foundation ditch supporting device of adjustable support distance for foundation engineering |
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| Country | Link |
|---|---|
| CN (1) | CN111350192A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309116A (en) * | 2021-06-16 | 2021-08-27 | 潍坊科技学院 | Geotechnical engineering underground structure |
-
2018
- 2018-12-20 CN CN201811563002.6A patent/CN111350192A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309116A (en) * | 2021-06-16 | 2021-08-27 | 潍坊科技学院 | Geotechnical engineering underground structure |
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