CN218466552U

CN218466552U - Foundation ditch excavation construction protective structure

Info

Publication number: CN218466552U
Application number: CN202222887788.5U
Authority: CN
Inventors: 费桃红
Original assignee: Suyang Construction Engineering Group Co ltd
Current assignee: Suyang Construction Engineering Group Co ltd
Priority date: 2022-10-29
Filing date: 2022-10-29
Publication date: 2023-02-10
Anticipated expiration: 2032-10-29

Abstract

The utility model relates to a foundation ditch excavation construction protective structure, it relates to the technical field of foundation ditch construction, including foundation ditch and baffle, the baffle is located in the foundation ditch, be equipped with the supporting mechanism who is used for supporting self on the baffle, supporting mechanism includes fixed block and connecting block, the fixed block is located the baffle is kept away from the one end at the bottom of the foundation ditch hole, and follows foundation ditch width direction sets up, it is connected with the drive block to rotate on the fixed block, drive block threaded connection has the actuating lever, the actuating lever with the connecting block rotates to be connected, be equipped with the drive on the fixed block drive block pivoted drive assembly, be equipped with on the connecting block and be used for the support the supporting component of baffle. The foundation pit wall supporting device has the effect that the adjusting baffle supports the foundation pit wall according to the depth of a foundation pit.

Description

Foundation ditch excavation construction protective structure

Technical Field

The application relates to the technical field of foundation pit construction, in particular to a protective structure for foundation pit excavation construction.

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. In order to protect the safety of the construction of the underground main structure and the surrounding environment of the foundation pit, the measures of temporary retaining, reinforcing, protecting and underground water control for the foundation pit are needed.

A common supporting method comprises a steel sheet pile supporting method, firstly, positioning and marking are carried out according to a construction range, steel sheet piles are driven into a soil body one by one along a construction axis through a pile driving and pulling machine, horizontal supports are arranged on the steel sheet piles, then foundation pit excavation is carried out, after the steel sheet piles are excavated to a designed elevation, a retaining wall and a foundation pit back cover are poured, and finally the steel sheet piles are dismantled.

In view of the above-mentioned related technologies, the inventor thinks that in the process of excavation of the foundation pit, horizontal supporting reinforcement needs to be added to the steel sheet pile according to the excavation depth of the foundation pit, so as to improve the supporting effect on the pit wall soil body of the steel sheet pile.

SUMMERY OF THE UTILITY MODEL

In order to improve along with the increase of foundation ditch excavation depth, need to increase the reinforced problem of horizontal brace to the steel sheet pile, this application provides a foundation ditch excavation construction protective structure.

The technical scheme provided by the application is as follows:

the utility model provides a foundation ditch excavation construction protective structure, includes foundation ditch and baffle, the baffle is located in the foundation ditch, be equipped with the supporting mechanism who is used for supporting self on the baffle, supporting mechanism includes fixed block and connecting block, the fixed block is located the baffle is kept away from the one end at the bottom of the foundation ditch hole, and follows foundation ditch width direction sets up, it is connected with the drive block to rotate on the fixed block, drive block threaded connection has the actuating lever, the actuating lever with the connecting block rotates to be connected, be equipped with the drive on the fixed block drive block pivoted drive assembly, be equipped with on the connecting block and be used for supporting the supporting component of baffle.

By adopting the technical scheme, the supporting mechanism is used for supporting the baffle plate, so that the baffle plate is difficult to damage and deform under the pressure of a foundation pit soil body, the supporting force of the baffle plate on the wall of the foundation pit is improved, and the construction quality of foundation pit excavation is improved. When the foundation ditch is in the in-process of excavation construction, the foundation ditch degree of depth increases gradually, and the baffle receives the lateral pressure of foundation ditch lateral wall also crescent, through utilizing the actuating lever to adjust supporting mechanism's height for supporting mechanism supports the reinforcement to the baffle uniformly, thereby increases the steadiness of baffle, improves the security of foundation ditch excavation construction.

Optionally, the supporting component includes a positioning block and a supporting plate, the positioning block is fixedly connected with one end of the connecting block, which is far away from the driving rod, the supporting plate is fixedly connected with the baffle, and the supporting plate is connected with the positioning block through a first supporting rod and a second supporting rod.

Through adopting above-mentioned technical scheme, first bracing piece and second bracing piece all provide the holding power to the backup pad, backup pad and baffle fixed connection to first bracing piece and second bracing piece support the baffle. The locating piece is connected with the actuating lever, and the locating piece still is connected with first bracing piece and second bracing piece to the actuating lever removes and drives the locating piece and removes, and the constructor of being convenient for adjusts first bracing piece and second bracing piece position through the locating piece according to the foundation ditch degree of depth, and then improves the reinforced effect of support to the baffle.

Optionally, first bracing piece includes sliding block, sleeve pipe, screw rod and nut, the one end of screw rod with the connecting block rotates to be connected, the sleeve pipe cover is established the screw rod is kept away from the one end of connecting block, the sleeve pipe is kept away from the one end of screw rod with the sliding block rotates to be connected, the screw rod with nut threaded connection, the nut with the sleeve pipe is kept away from the one end butt of backup pad, the sliding block slides and sets up in the backup pad.

Through adopting above-mentioned technical scheme, screw rod and connecting block fixed connection, the screw rod is followed when the connecting block removes and is removed. Through swivel nut, adjust the distance between sleeve pipe and the screw rod to make the sliding block support the backup pad tightly, thereby improve the backup pad and to the supporting role of baffle.

Optionally, a placing block is arranged on one side, away from the baffle, of the supporting plate, a sliding groove for the sliding block to slide is formed in one end, away from the supporting plate, of the placing block, and the sliding groove is formed in the length direction of the placing block.

Through adopting above-mentioned technical scheme, set up the sliding track that the sliding tray can inject the sliding block for the phenomenon of off normal is difficult to appear to the sliding block, and thus the screw rod that is difficult for appearing the phenomenon of torsional buckling when receiving the reaction force of baffle, further improves the supporting role to the baffle.

Optionally, a fixing hole is formed in the side wall of the placing block, the fixing hole is uniformly formed along the length direction of the placing block, a first bolt is arranged in the fixing hole, and the sliding block is fixedly connected with the placing block through the first bolt.

Through adopting above-mentioned technical scheme, slide to suitable position when the sliding block, make the sliding block with place a fixed connection through first bolt to make the sliding block be difficult to remove once more, thereby improved the steadiness that locating piece and backup pad are connected.

Optionally, the second support rod comprises a connecting rod and a sleeve, one end of the connecting rod is hinged to the positioning block, the sleeve is sleeved at one end, away from the positioning block, of the connecting rod, the sleeve is connected with a butt joint plate in a rotating mode, the butt joint plate is fixedly connected with the support plate, a plurality of through holes are formed in the connecting rod and are evenly formed in the length direction of the connecting rod, a second bolt is arranged on the sleeve, and the connecting rod and the sleeve are fixedly connected through the second bolt.

Through adopting above-mentioned technical scheme, butt plate and backup pad fixed connection, when adjusting the locating piece position, relative slip between control sleeve and the connecting rod to make sleeve and connecting rod overall length and butt plate to match apart from between the locating piece, make sleeve and connecting rod fixed connection through first bolt, thereby play the reinforced effect of support to the baffle.

Optionally, the driving assembly comprises a driving piece and a gear, the driving piece is fixedly connected with the fixed block, the driven output shaft is coaxially fixed with the gear, and a tooth surface meshed with the gear is arranged on the driving block.

Through adopting above-mentioned technical scheme, start the driving piece, driving piece output shaft drives gear revolve, and the rack toothing is gone up to gear and drive block, and then drives the drive block and rotate for the actuating lever reciprocates along foundation ditch direction of height under the rotation of drive block, thereby adjusts the supporting position of supporting mechanism to the baffle, improves the support reinforcing effect to the baffle.

Optionally, one end of the driving rod, which is far away from the connecting block, is provided with a limiting block.

Through adopting above-mentioned technical scheme, the stopper plays the effect of protection to the actuating lever for the actuating lever is difficult to spill from the actuating block and breaks away from when removing, thereby reduces the condition that the actuating lever took place to damage, and then has improved the steadiness that the actuating block is connected with the actuating lever.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through setting up drive block and actuating lever on the connecting block, the foundation ditch is at the in-process of excavation construction, and the foundation ditch degree of depth increases gradually, and the baffle receives the lateral pressure of foundation ditch lateral wall also crescent, through utilizing the actuating lever to adjust supporting mechanism's height for supporting mechanism supports the reinforcement to the baffle uniformly, thereby increases the steadiness of baffle, improves the security of foundation ditch excavation construction.

2. The first supporting rod and the second supporting rod are arranged on the positioning block and provide supporting force for the baffle. The locating piece is connected with the actuating lever, and the locating piece still is connected with first bracing piece and second bracing piece to the actuating lever removes and drives the locating piece and removes, and the constructor of being convenient for adjusts first bracing piece and second bracing piece position through the locating piece according to the foundation ditch degree of depth, and then improves the reinforced effect of support to the baffle.

Drawings

Fig. 1 is an overall structure schematic diagram of a foundation pit excavation construction protective structure according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a support mechanism according to an embodiment of the present application.

FIG. 3 is a schematic structural diagram of a support assembly according to an embodiment of the present application.

Description of reference numerals: 1. a foundation pit; 11. a baffle plate; 2. a support mechanism; 21. a fixed block; 22. connecting blocks; 23. a drive block; 24. a drive rod; 25. a limiting block; 26. a tooth surface; 3. a support assembly; 31. positioning blocks; 32. a support plate; 33. a first support bar; 331. a slider; 332. a sleeve; 333. a screw; 334. a nut; 34. placing the blocks; 341. a sliding groove; 342. a fixing hole; 343. a first bolt; 35. a second support bar; 351. a connecting rod; 352. a sleeve; 353. abutting against the plate; 354. a through hole; 355. a second bolt; 4. a drive assembly; 41. a drive member; 42. an output shaft; 43. a gear.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses foundation ditch excavation construction protective structure. Referring to fig. 1, a foundation ditch excavation construction protective structure includes foundation ditch 1, baffle 11 and supporting mechanism 2, and baffle 11 is inserted and is established in foundation ditch 1, baffle 11 and foundation ditch 1's pithead butt. On supporting mechanism 2 located baffle 11, supporting mechanism 2 played the reinforced effect of support to baffle 11 for foundation ditch 1 in the excavation work progress, improved the supporting role of baffle 11 to 1 pithead wall of foundation ditch, thereby played the effect of protection to 1 pithead wall of foundation ditch, made 1 pithead wall of foundation ditch be difficult to appear the phenomenon of collapsing.

Referring to fig. 1 and 2, the supporting mechanism 2 includes a fixing block 21, a connecting block 22, a driving rod 24, and a supporting component 3, the fixing block 21 is fixedly connected to one end of the baffle plate 11 far away from the bottom of the foundation pit 1, and the fixing block 21 is disposed on two opposite baffle plates 11 along the width direction of the foundation pit 1. The last rotation of fixed block 21 is connected with drive block 23, and drive block 23 threaded connection has actuating lever 24, and actuating lever 24 stretches into the one end of foundation ditch 1 and rotates with connecting block 22 to be connected, and connecting block 22's one end fixedly connected with stopper 25 is kept away from to actuating lever 24. The supporting component 3 is arranged on the connecting block 22, the supporting component 3 plays a supporting role on the baffle 11, the rigidity of the baffle 11 is improved, the baffle 11 is not easy to deform under the lateral pressure of the soil body of the pit wall of the foundation pit 1, and therefore the pit wall of the foundation pit 1 is protected.

In the excavation work progress of foundation ditch 1, the 1 degree of depth of foundation ditch constantly increases, and constructor control drive block 23 rotates to make actuating lever 24 remove along 1 direction of height of foundation ditch, thereby make connecting block 22 drive supporting component 3 and remove along 1 direction of height of foundation ditch. And then along with the increase of the depth of the foundation pit 1, constructors can uniformly support and reinforce the baffle plate 11 by adjusting the height of the supporting component 3, so that the baffle plate 11 is not easy to be damaged, and the supporting effect on the pit wall of the foundation pit 1 is ensured.

Referring to fig. 1, in order to control the rotation of the driving block 23, the driving assembly 4 is provided on the fixing block 21. The driving assembly 4 includes a driving member 41 and a gear 43, in this embodiment, the driving member 41 is a motor, the driving member 41 is fixedly connected to the fixing block 21, and an output shaft 42 of the driving member 41 is coaxially fixed to the gear 43. A toothed surface 26 is fixedly connected to the side of the drive block 23 remote from the connecting piece 22, and a toothed wheel 43 engages with the toothed surface 26. When the driving member 41 is activated, the output shaft 42 of the driving member 41 drives the gear 43 to rotate, and the tooth surface 26 follows the rotation to drive the driving block 23 to rotate, so that the driving rod 24 drives the connecting block 22 to move.

Referring to fig. 2 and 3, the supporting assembly 3 includes a positioning plate 31, a supporting plate 32, a first supporting rod 33 and a second supporting rod 35, the positioning block 31 is fixedly connected to one end of the connecting block 22 far away from the driving rod 24, and the positioning block 31 is disposed along the width direction of the foundation pit 1. The supporting plate 32 is fixedly connected with one side of the baffle plate 11 far away from the pit wall of the foundation pit 1, and the supporting plate 32 is arranged along the height direction of the baffle plate 11.

Referring to fig. 2 and 3, the first support rod 33 includes a sliding block 331, a sleeve 332, a screw rod 333 and a nut 334, the screw rod 333 is rotatably connected to a side of the positioning block 31 away from the connecting rod 351, one end of the screw rod 333 away from the positioning block 31 is inserted into the sleeve 332, and the screw rod 333 is slidably connected to the sleeve 332. The screw 333 is threadedly coupled to the nut 334, and the nut 334 abuts an end of the sleeve 332 near the screw 333. One end of the sleeve 332 far away from the nut 334 is rotatably connected with a sliding block 331, one side of the support plate 32 far away from the baffle 11 is fixedly connected with a placing block 34, and the placing block 34 is arranged along the length direction of the support plate 32. Place the one end that piece 34 kept away from backup pad 32 and seted up and supply the gliding groove 341 that slides of sliding block 331, place and seted up a plurality of fixed orificess 342 on the lateral wall of piece 34, and a plurality of fixed orificess 342 evenly set up along placing piece 34 length direction, be equipped with first bolt 343 in the fixed orificess 342, place piece 34 and sliding block 331 and pass through first bolt 343 fixed connection.

When the positioning block 31 slides along the height direction of the foundation pit 1, the sliding block 331 slides in the sliding groove 341 through the transmission of the screw 333 and the sleeve 332, and when the position of the positioning block 31 is determined, the sliding block 331 and the placing block 34 are fixedly connected through the first bolt 343 through the position of the adjusting nut 334, so that the sliding block 331 abuts against the support plate 32, and the support effect of the support plate 32 on the baffle 11 is improved.

Referring to fig. 3, the second support rod 35 includes a connecting rod 351 and a sleeve 352, the connecting rod 351 is hinged to one end of the positioning block 31 close to the connecting block 22, one end of the connecting rod 351 far away from the positioning block 31 is inserted into the sleeve 352, one end of the sleeve 352 far away from the connecting rod 351 is rotatably connected with a butt plate 353, and the butt plate 353 and the support plate 32 are fixedly connected to one end of the foundation pit 1 far away from the pit bottom. A plurality of through holes 354 are formed in the connecting rod 351, the through holes 354 are uniformly formed along the length direction of the connecting rod 351, a second bolt 355 is arranged on the sleeve 352, and the connecting rod 351 and the sleeve 352 are fixedly connected through the second bolt 355. When the positioning block 31 is positioned, the relative position between the sleeve 352 and the connecting rod 351 is adjusted, so that the overall length of the sleeve 352 and the connecting rod 351 is matched with the distance between the abutting plate 353 and the positioning block 31, and the second bolt 355 is locked, so that the sleeve 352 and the connecting rod 351 are fixedly connected, and the baffle plate 11 is supported and reinforced.

The implementation principle of the protective structure for excavation construction of the foundation pit is as follows: when foundation ditch 1 is in the excavation work progress, when foundation ditch 1 reaches the different degree of depth, constructor passes through the height of drive assembly 4 control positioning piece 31, with the position of adjustment sliding block 331, so that sliding block 331 sets up along foundation ditch 1's hole wall symmetry with the position of butt plate 353, make baffle 11 receive and come from first bracing piece 33 and the even holding power of second bracing piece 35, thereby make when foundation ditch 1 excavates the different degree of depth, baffle 11 homoenergetic plays the effect of support protection to foundation ditch 1 hole wall.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a foundation ditch excavation construction protective structure which characterized in that: including foundation ditch (1) and baffle (11), baffle (11) are located in foundation ditch (1), be equipped with supporting mechanism (2) that are used for supporting self on baffle (11), supporting mechanism (2) are including fixed block (21) and connecting block (22), fixed block (21) are located baffle (11) are kept away from the one end at the bottom of foundation ditch (1) hole, and are followed foundation ditch (1) width direction sets up, it is connected with drive block (23) to rotate on fixed block (21), drive block (23) threaded connection has actuating lever (24), actuating lever (24) with connecting block (22) rotate and connect, be equipped with the drive on fixed block (21) drive block (23) pivoted drive assembly (4), be equipped with on connecting block (22) and be used for the support bracing component (3) of baffle (11).

2. The protective structure for excavation construction of foundation pits of claim 1, wherein: the supporting assembly (3) comprises a positioning block (31) and a supporting plate (32), the positioning block (31) is fixedly connected with one end, far away from the driving rod (24), of the connecting block (22), the supporting plate (32) is fixedly connected with the baffle (11), and the supporting plate (32) is connected with the positioning block (31) through a first supporting rod (33) and a second supporting rod (35).

3. The protective structure for excavation construction of foundation pits of claim 2, wherein: first bracing piece (33) include sliding block (331), sleeve pipe (332), screw rod (333) and nut (334), the one end of screw rod (333) with connecting block (22) rotate to be connected, sleeve pipe (332) cover is established screw rod (333) is kept away from the one end of connecting block (22), sleeve pipe (332) is kept away from the one end of screw rod (333) with sliding block (331) rotate to be connected, screw rod (333) with nut (334) threaded connection, nut (334) with sleeve pipe (332) is kept away from the one end butt of backup pad (32), sliding block (331) slide to be set up in on backup pad (32).

4. The protective structure for excavation construction of foundation pits of claim 3, wherein: one side of the supporting plate (32) far away from the baffle (11) is provided with a placing block (34), one end of the placing block (34) far away from the supporting plate (32) is provided with a sliding groove (341) for the sliding of the sliding block (331), and the sliding groove (341) is formed along the length direction of the placing block (34).

5. The protective structure for excavation construction of foundation pits of claim 4, wherein: the side wall of the placing block (34) is provided with fixing holes (342), the fixing holes (342) are uniformly formed along the length direction of the placing block (34), first bolts (343) are arranged in the fixing holes (342), and the sliding block (331) is fixedly connected with the placing block (34) through the first bolts (343).

6. The protective structure for excavation construction of foundation pits of claim 2, wherein: the second support rod (35) comprises a connecting rod (351) and a sleeve (352), one end of the connecting rod (351) is hinged to the positioning block (31), the sleeve (352) is sleeved at one end, far away from the positioning block (31), of the connecting rod (351), one end, far away from the connecting rod (351), of the sleeve (352) is rotatably connected with a butt plate (353), the butt plate (353) is fixedly connected with the support plate (32), a plurality of through holes (354) are formed in the connecting rod (351), the through holes (354) are formed in a plurality of positions along the length direction of the connecting rod (351), a second bolt (355) is arranged on the sleeve (352), and the connecting rod (351) and the sleeve (352) are fixedly connected through the second bolt (355).

7. The protective structure for excavation construction of foundation pit according to claim 1, characterized in that: the driving assembly (4) comprises a driving piece (41) and a gear (43), the driving piece (41) is fixedly connected with the fixed block (21), the driven output shaft (42) is coaxially fixed with the gear (43), and a tooth surface (26) meshed with the gear (43) is arranged on the driving block (23).

8. The protective structure for excavation construction of foundation pits of claim 7, wherein: and a limiting block (25) is arranged at one end of the driving rod (24) far away from the connecting block (22).