CN213390156U

CN213390156U - Foundation pit corner supporting mechanism

Info

Publication number: CN213390156U
Application number: CN202022085702.8U
Authority: CN
Inventors: 孟凡杰; 孙倩倩; 宋继超; 李鸿
Original assignee: Shenzhen Pengcheng Geotechnical Technology Co ltd
Current assignee: Shenzhen Pengcheng Geotechnical Technology Co ltd
Priority date: 2020-09-19
Filing date: 2020-09-19
Publication date: 2021-06-08
Anticipated expiration: 2030-09-19

Abstract

The application relates to a foundation pit corner supporting mechanism which comprises corner supporting piles and wall-forming supporting piles, wherein the corner supporting piles are arranged at corners of a foundation pit, and the wall-forming supporting piles are arranged on two sides of the corner supporting piles along the corner direction; the wall-forming support pile comprises a corner support pile and is characterized by further comprising two pressing plates, wherein the two pressing plates are hinged with each other and are respectively abutted against the wall-forming support piles on two sides of the corner support pile; the two pressing plates are provided with supporting components; the supporting component comprises a long insertion rod and a damping part for buffering the long insertion rod to be vibrated, one end of the long insertion rod is hinged to one side, far away from the wall-forming support pile, of the pressing plate, and the other end of the long insertion rod extends downwards in the direction far away from the pressing plate. This application has when satisfying and slows down the building if vibrations influence that focus such as pile driver brought long inserted bar, reduces the effect that long inserted bar and clamp plate junction are propped up and split to appear.

Description

Foundation pit corner supporting mechanism

Technical Field

The application relates to the field of foundation pit support, especially relates to a foundation pit corner supporting mechanism.

Background

With the accelerated progress of urbanization in China, the development and utilization of underground spaces are more and more concerned by people, foundation pit engineering mainly comprises the design and construction of the most important supporting system, a reliable supporting system is not available, adjacent buildings or structures can be inevitably affected during foundation pit excavation, and accidents such as surface collapse, structural collapse and the like can even be caused in serious cases.

At present, the most common foundation pit supporting mechanism is that row piles are adopted for supporting, a supporting wall is formed by attaching supporting piles and supporting piles, the inner space of a foundation pit is isolated from a rock stratum outside the foundation pit, the supporting piles are connected into the supporting wall to resist transverse shearing force from the rock stratum, corner supporting piles located at corners are subjected to transverse shearing force from two directions, the corners of the supporting wall are easy to damage, the whole stability of the supporting wall can be seriously influenced, a pressing plate is adopted to be abutted against the wall forming supporting piles, one ends of inserting rods are fixedly connected with the pressing plate, the other ends of the inserting rods are inserted into the ground, longitudinal acting force is applied to the wall forming supporting piles, and the stability of the wall forming supporting piles and the corner supporting piles is enhanced.

In view of the above-mentioned related technologies, the inventor believes that, when a pile driver performs engineering operation in building construction, one end of an insertion rod is rigidly connected with a pressure plate, and the other end of the insertion rod is inserted into the ground, so that a contact portion between the insertion rod and the ground is affected by seismic sources such as the pile driver, and a situation that a joint of the insertion rod and the pressure plate is burst easily occurs.

SUMMERY OF THE UTILITY MODEL

In order to slow down when the building if vibrations influence that focus such as pile driver brought long inserted bar, reduce the condition that long inserted bar and clamp plate junction are propped up and split, this application provides a foundation ditch corner supporting mechanism.

The application provides a foundation ditch corner supporting mechanism adopts following technical scheme:

a foundation pit corner supporting mechanism comprises corner supporting piles and wall-forming supporting piles, wherein the corner supporting piles are arranged at corners of a foundation pit, the wall-forming supporting piles are arranged on two sides of the corner supporting piles along the corner direction, the foundation pit corner supporting mechanism further comprises two pressing plates, the two pressing plates are hinged with each other, and the two pressing plates are respectively abutted to the wall-forming supporting piles on the two sides of the corner supporting piles; the two pressing plates are provided with supporting components; the supporting assembly comprises a long inserting rod and a damping component, one end of the long inserting rod is hinged with one side of the pressing plate, which is far away from the wall-forming support pile, and the other end of the long inserting rod extends downwards in the direction far away from the pressing plate; the shock attenuation part includes base, elastic component and slider, the base is equipped with and is used for the gliding sliding tray of slider, the elastic component is equipped with a plurality ofly along sliding tray inner wall circumference, the one end and the sliding tray inner wall connection of elastic component, the other end and slider are connected, the slider is connected with the one end that the clamp plate was kept away from to long inserted bar.

Through adopting above-mentioned technical scheme, there is the contained angle between two clamp plates, contained angle between two clamp plates is unanimous with corner fender pile, the contained angle of wall-forming fender pile, long inserted bar one end articulates at the clamp plate, the other end is connected with the slider, the sliding tray at the base is installed to the slider, be equipped with a plurality of elastic components between the sliding tray inner wall of slider and base, can slow down the vibrations influence that seismic sources such as pile driver brought long inserted bar when the building, reduce the circumstances that inserted bar and clamp plate junction propped up and split appear.

Preferably, the shock absorption part further comprises a fixing part for limiting the base.

Through adopting above-mentioned technical scheme, the mounting is fixed base and ground, reduces the possibility that the base skidded.

Preferably, the fixing piece is a plurality of reinforcing nails, one ends of the reinforcing nails are connected with the base, and the other ends of the reinforcing nails extend downwards in the direction away from the base.

Through adopting above-mentioned technical scheme, consolidate nail and base simple to operate, it is with low costs, and insert ground easily.

Preferably, the shock attenuation part still includes a plurality of first telescopic links, first telescopic link sets up along sliding tray inner wall circumference, the one end and the base of first telescopic link are articulated, and the other end is worn to locate the elastic component and is articulated with the slider.

Through adopting above-mentioned technical scheme, first telescopic link passes elastic component and is connected with the sliding tray inner wall of base, slider, strengthens the slip stability of slider.

Preferably, the slide block is provided with a clamping groove, and one end of the long inserted bar, which is far away from the wall-forming support pile, is clamped in the clamping groove.

Through adopting above-mentioned technical scheme, the draw-in groove joint of long inserted bar and slider makes things convenient for the dismouting of long inserted bar and slider.

Preferably, the pressure plates are provided with reinforcing members; the reinforcing member includes bottom socket and short inserted bar, the bottom socket is located the clamp plate and is inserted bar junction under, short inserted bar one end is installed at bottom socket, the vertical downwardly extending of other end orientation.

Through adopting above-mentioned technical scheme, the short inserted bar of bottom socket inserts ground, consolidates the clamp plate for the clamp plate is more stable.

Preferably, the bottom socket is provided with a plurality of through holes.

Through adopting above-mentioned technical scheme, the bottom socket sets up a plurality of through-holes, can select the place that the ground condition is good, inserts the through-hole with short inserted bar.

Preferably, the long inserted link is a telescopic second telescopic link.

Through adopting above-mentioned technical scheme, set up long inserted bar into the second telescopic link, when need not using, contract long inserted bar, portable and deposit.

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

1. the long insertion rod supports the pressing plate, and is connected with the damping part, so that the vibration influence of seismic sources such as a pile driver and the like on the long insertion rod during construction can be relieved, and the condition that the joint of the insertion rod and the pressing plate is burst is reduced;

2. the short insertion rod of the bottom socket is inserted into the ground to reinforce the pressing plate, so that the pressing plate is more stable;

3. the base is fixed with the ground by the fixing piece, so that the possibility of slipping of the base is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a corner supporting mechanism of a foundation pit according to an embodiment of the present application.

FIG. 2 is a cross-sectional view of a support assembly of an embodiment of the present application.

Fig. 3 is a partially enlarged view a in fig. 2.

Description of reference numerals: 1. supporting piles at corners; 2. forming a wall and supporting piles; 3. pressing a plate; 4. a long insertion rod; 5. a base; 6. a sliding groove; 7. an elastic member; 8. a slider; 9. a card slot; 10. reinforcing the nail; 11. a first telescopic rod; 12. a bottom socket; 13. a short insertion rod; 14. a through hole; 15. a telescopic upper rod; 16. a telescopic lower rod; 17. a cylindrical cavity; 18. fixing grooves; 19. a limiting spring; 20. a ball head; 21. a telescopic inner rod; 22. a telescopic outer rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses foundation ditch corner supporting mechanism. Referring to fig. 1, foundation pit corner supporting mechanism includes corner fender pile 1, becomes wall fender pile 2 and two clamp plates 3, and corner fender pile 1 is located the foundation pit corner, and become wall fender pile 2 and be located the both sides of corner fender pile 1, and two clamp plates 3 offset with the wall fender pile 2 of corner fender pile 1 both sides respectively, and articulated each other between two clamp plates 3, two clamp plates 3 can revolute the rotation of axes, the not supporting demand of different corner sizes in the adaptation corner foundation pit.

The clamp plate 3 all is equipped with the reinforcement, and the reinforcement includes bottom socket 12 and short inserted bar 13, and the one end of bottom socket 12 is fixed at clamp plate 3, the other end extends towards the horizontal direction, is equipped with three through-hole 14 on the socket 12 of bottom, and 13 one end bolt fastening bottom sockets 12 of short inserted bar, the other end pass through-hole 14 towards vertical downwardly extending, and according to the ground condition, short inserted bar 13 selects suitable through-hole 14 to insert ground, consolidates clamp plate 3 for clamp plate 3 is more stable.

Referring to fig. 1 and 2, two clamp plates 3 all are equipped with supporting component, supporting component includes long inserted bar 4 and is used for buffering the shock attenuation part that long inserted bar 4 received vibrations, long inserted bar 4 is the second telescopic link, long inserted bar 4 includes flexible upper boom 15 and flexible lower beam 16, the diameter of flexible upper boom 15 is greater than flexible lower beam 16, the inside cylinder cavity 17 that is equipped with of flexible upper boom 15, flexible upper boom 15 lateral wall is equipped with the perforation, cylinder cavity 17 is with the coaxial axle center with flexible upper boom 15, and the diameter of cylinder cavity 17 equals the diameter of flexible lower beam 16, flexible lower beam 16 and flexible upper boom 15 sliding connection in cylinder cavity 17, the inside fixed slot 18 that is equipped with of flexible lower beam 16, fixed slot 18 is equipped with the locating part that is used for fixed flexible upper boom 15 and flexible lower beam 16, thereby realize the change of long inserted bar 4 length.

The locating part includes spacing spring 19 and bulb 20, and spacing spring 19's one end fixed connection is at the tank bottom of fixed slot 18, the other end and bulb 20 fixed connection, and bulb 20 keeps away from spacing spring 19 one end and stretches out fixed slot 18 and wear to locate the perforation, and when fixed slot 18 stretched to the perforation department along with flexible lower beam 16, bulb 20 was bounced by spacing spring 19, and bulb 20 passes the perforation, blocked flexible upper beam 15 with flexible lower beam 16 to the realization is long inserted bar 4's length is fixed.

Referring to fig. 1 and 3, the damping component includes a base 5, an elastic member 7 and a slider 8, the base 5 is a circular base 5, the base 5 is provided with a sliding groove 6 for the slider 8 to slide, the sliding groove 6 extends from the center of the base 5 along the circumferential direction of the base 5, the elastic member 7 is a spring, the elastic member 7 is provided with four elastic members 7 at equal intervals along the circumferential direction of the inner wall of the sliding groove 6, one end of the elastic member 7 is fixed on the inner wall of the sliding groove 6, the other end of the elastic member is fixed with the circumferential direction of the slider 8, the elastic member 7 plays a role of buffering and resetting for the slider 8, and when the slider 8 slides, the slider 8 slowly; the slider 8 is equipped with the draw-in groove 9 that is used for the joint long inserted bar 4, makes long inserted bar 4 block better at slider 8, makes things convenient for long inserted bar 4 and slider 8's dismouting.

Shock attenuation part still includes four first telescopic links 11, first telescopic link 11 is including flexible interior pole 21 and flexible outer pole 22, the diameter of flexible outer pole 22 is greater than flexible interior pole 21, the inside cylinder cavity 17 that is equipped with of flexible outer pole 22, cylinder cavity 17 and flexible upper boom 15 are coaxial, and the diameter of cylinder cavity 17 equals the diameter of flexible interior pole 21, flexible outer pole 22 and flexible interior pole 21 sliding connection, first telescopic link 11 sets up along 6 inner wall circumference of sliding tray, the one end and the base 5 of first telescopic link 11 are articulated, the other end is worn to locate elastic component 7 and is articulated with slider 8, the articulated shaft extends along vertical direction, strengthen slider 8's sliding stability.

Shock-absorbing component still includes the mounting, and the mounting includes four reinforcing nails 10, and reinforcing nail 10's one end and 5 threaded connection of base, the vertical downwardly extending of other end orientation, reinforcing nail 10 are fixed base 5 and ground, reduce the base 5 condition of skidding.

Referring to fig. 1 and 2, one end of the upper telescopic rod 15 is hinged to one side of the pressure plate 3 far away from the wall-forming support pile 2, the other end of the upper telescopic rod extends downwards in the direction far away from the pressure plate 3, one end of the lower telescopic rod 16 close to the upper telescopic rod 15 extends downwards in the length direction of the upper telescopic rod 15, the ball head 20 is bounced by the limiting spring 19 and penetrates through the through hole, the upper telescopic rod 15 is fixed to the lower telescopic rod 16, and one end of the lower telescopic rod 16 far away from the upper telescopic rod 15 is connected with the clamping groove 9 in a clamping mode.

The implementation principle of a foundation pit corner supporting mechanism in the embodiment of the application is as follows: with two clamp plates 3 and 2 butts of wall-forming fender pile, according to the ground condition and deciding, insert suitable through-hole 14 with short inserted bar 13, short inserted bar 13 passes through-hole 14 and inserts ground, consolidates clamp plate 3 for clamp plate 3 is more stable, will consolidate nail 10 and pass through threaded connection at base 5, will consolidate nail 10 and insert ground again, makes base 5 and ground fixed.

Flexible upper boom 15 one end is articulated with clamp plate 3, adjust flexible upper boom 15 and clamp plate 3's contained angle, select suitable insertion angle, flexible lower beam 16 is along flexible upper boom 15's length direction downwardly extending, spacing spring 19 bounces bulb 20 and bulb 20 passes the perforation, it is fixed with flexible upper boom 15 and flexible lower beam 16, flexible lower beam 16 keeps away from the one end joint of flexible upper boom 15 at the draw-in groove 9 of

slider

8, 11 cooperation elastic component 7 of first telescopic link make slider 8 be located sliding tray 6 and slide in sliding tray 6, when taking place vibrations, elastic component 7 slowly resets slider 8.

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 corner supporting mechanism, includes corner fender pile (1) and one-tenth wall fender pile (2), corner fender pile (1) sets up in foundation ditch corner, one-tenth wall fender pile (2) set up in corner fender pile (1) along the both sides of corner direction, its characterized in that: the wall-forming support pile structure is characterized by further comprising two pressing plates (3), wherein the two pressing plates (3) are hinged with each other, and the two pressing plates (3) are respectively abutted against wall-forming support piles (2) on two sides of the corner support pile (1); the two pressing plates (3) are both provided with a supporting component; the supporting assembly comprises a long inserting rod (4) and a damping component, one end of the long inserting rod (4) is hinged with one side, far away from the wall-forming support pile (2), of the pressing plate (3), and the other end of the long inserting rod extends downwards in the direction far away from the pressing plate (3); the damping part comprises a base (5), an elastic piece (7) and a sliding block (8), wherein the base (5) is provided with a sliding groove (6) for the sliding of the sliding block (8), the elastic piece (7) is provided with a plurality of parts along the circumferential direction of the inner wall of the sliding groove (6), one end of the elastic piece (7) is connected with the inner wall of the sliding groove (6), the other end of the elastic piece is connected with the sliding block (8), and the sliding block (8) is connected with one end, far away from the pressing plate (3), of the long insertion rod (4).

2. The corner support mechanism of a foundation pit according to claim 1, wherein: the shock absorption part also comprises a fixing piece for limiting the base (5).

3. The corner support mechanism of a foundation pit according to claim 2, wherein: the mounting is a plurality of reinforcement nails (10), the one end of reinforcement nail (10) is connected with base (5), the other end extends downwards towards the direction of keeping away from base (5).

4. The corner support mechanism of a foundation pit according to claim 3, wherein: the shock attenuation part still includes a plurality of first telescopic links (11), first telescopic link (11) set up along sliding tray (6) inner wall circumference, the one end and base (5) of first telescopic link (11) are articulated, the other end is worn to locate elastic component (7) and slider (8) and is articulated.

5. The corner support mechanism of a foundation pit according to claim 1, wherein: a clamping groove (9) is formed in the sliding block (8), and one end, far away from the wall-forming support pile (2), of the long insertion rod (4) is clamped in the clamping groove (9).

6. The corner support mechanism of a foundation pit according to claim 5, wherein: the pressing plates (3) are provided with reinforcing members; the reinforcing member includes bottom socket (12) and short inserted bar (13), bottom socket (12) are located clamp plate (3) and long inserted bar (4) junction under, short inserted bar (13) one end is installed in bottom socket (12), the vertical downwardly extending of other end orientation.

7. The corner support mechanism of a foundation pit according to claim 6, wherein: the bottom socket (12) is provided with a plurality of through holes (14).

8. The corner support mechanism of a foundation pit according to claim 7, wherein: the long inserted link (4) is a telescopic second telescopic link.