CN219753252U - Supporting structure in foundation pit - Google Patents

Abstract

The utility model discloses a supporting structure in a foundation pit, which comprises a support plate and an underframe; the novel lifting device is characterized in that a motor A for driving a rotating shaft A to rotate is connected to the inside of the underframe through bolts, a bidirectional screw rod for driving a vertical rod A outside a threaded sleeve A and a vertical rod B outside a threaded sleeve B to transversely move is fixed to one side of the rotating shaft A through screws, a fixed shaft B for enabling a bracket to rotate is fixed to the inner side of the vertical rod A through screws, a fixed shaft A for enabling the bracket to rotate is fixed to one end of the bracket far away from the fixed shaft B through screws, a fixed block connected with a fixed plate is fixed to one side of the fixed shaft A through screws, and a vertical frame for fixing the connecting shaft B is fixed to one side of the underframe through screws; according to the utility model, the problem that the existing foundation pit inner supporting structure is inconvenient to support foundation pits with different widths when in use is solved through the motor A, the bidirectional screw, the vertical frame, the threaded rod, the limiting frame, the limiting rod, the telescopic rod and the supporting blocks.

Description

Supporting structure in foundation pit

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to a supporting structure in a foundation pit.

Background

The foundation pit is a soil pit excavated at a foundation design position according to the elevation of a substrate and the plane size of the foundation, and is mainly used for bearing platform, bridge abutment and foundation expansion construction, and is generally divided into two types, namely no support and support.

But when the existing support structure in the foundation pit is used, the length of the support frame for supporting the inside of the foundation pit is fixed, the support structure can only be adjusted according to the width of the foundation pit, the utilization rate is low, meanwhile, the depth of the foundation pit is different, and the support structure in the foundation pit is arranged because the length of the support plate is fixed and the support area can not be enlarged according to the depth of the foundation pit when the foundation pit is supported.

Disclosure of Invention

The utility model mainly aims to provide a supporting structure in a foundation pit, which solves the problem that the existing supporting structure in the foundation pit is inconvenient to support foundation pits with different widths when in use by arranging a motor A, a bidirectional screw rod, a vertical frame, a threaded rod, a limiting frame, a limiting rod, a telescopic rod and a supporting block.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a supporting structure in a foundation pit comprises a support plate and an underframe; the novel lifting device is characterized in that a motor A for driving a rotating shaft A to rotate is connected with the inside of the underframe through bolts, a bidirectional screw rod for driving a vertical rod A outside a threaded sleeve A and a vertical rod B outside the threaded sleeve B to transversely move is fixed on one side of the rotating shaft A through bolts, a fixed shaft B for enabling a bracket to rotate is fixed on the inner side of the vertical rod A through bolts, a fixed shaft A for enabling the bracket to rotate is fixed on one end of the bracket far away from the fixed shaft B through bolts, a fixed block connected with a fixed plate is fixed on one side of the fixed shaft A through bolts, a vertical frame for fixing a connecting shaft B is fixed on one side of the underframe through bolts, a telescopic rod for driving a support block on one side of the connecting shaft A to move is connected on the outer side of the connecting shaft B through bolts, a limit frame for fixing the threaded rod is connected on one side of the support plate through bolts, and a bearing for driving the limit rod to enter the support block through interference;

further, a motor B for driving a rotating shaft B to rotate is fixed in the fixing plate through screws, and a one-way screw rod for driving a threaded sleeve C to longitudinally move is fixed on one side of the rotating shaft B through screws; the unidirectional screw is driven to rotate through the installed motor B and the rotating shaft B;

further, a fixing rod connected with the support plate is welded on the outer side of the threaded sleeve C; the support plate is driven to move through the fixed rod;

further, lubricating oil for prolonging the service life is smeared on the surfaces of the connecting shaft A, the connecting shaft B, the fixed shaft A and the fixed shaft B; the service lives of the connecting shaft A, the connecting shaft B, the fixed shaft A and the fixed shaft B are prolonged through smeared lubricating oil;

further, the input ends of the motor B and the motor A are electrically connected with the output end of an external power supply; the electric equipment works normally by connecting an external power supply.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, when the interior of a foundation pit is to be supported, the underframe is placed in the foundation pit, then a motor A switch in the underframe is turned on, then the motor A converts received electric energy into mechanical energy, the rotating shaft A drives the bidirectional screw to rotate, then a thread sleeve A and a thread sleeve B outside the bidirectional screw drive a vertical rod A and a vertical rod B to move respectively, then the support drives a fixed plate to move through a fixed shaft B in the vertical frame A and a fixed shaft A in the fixed block, then the outer side of the fixed plate is contacted with the inner side of the foundation pit, then the telescopic rod rotates through a connecting shaft B on one side of the vertical frame, then the support block on one end of the vertical frame enters the limit frame on the inner side of the support plate, then the threaded rod on one side of the limit frame is rotated, then the limit rod is driven to move through a bearing, and then the limit rod enters the support block, so that the support plate and the fixed plate are fixed in the foundation pit, and the foundation pit with different widths can be supported conveniently.

2. According to the utility model, through the motor B, the rotating shaft B, the fixed rod, the unidirectional screw rod and the thread bush C, when the distance between the fixed plate and the support plate is to be adjusted, the motor B switch in the fixed plate is turned on, then the motor B converts received electric energy into mechanical energy, the rotating shaft B drives the unidirectional screw rod to rotate, and then the thread bush C outside the unidirectional screw rod drives the support plate on one side of the fixed rod to move, so that the distance between the fixed plate and the support plate is convenient to adjust, and the area of the support in the foundation pit is increased.

Drawings

FIG. 1 is a schematic view of the overall structure of a support structure in a foundation pit according to the present utility model;

FIG. 2 is a schematic view of the internal structure of a fixing plate of the support structure in the foundation pit according to the present utility model;

FIG. 3 is a schematic view of the internal structure of the underframe of the foundation pit internal support structure according to the present utility model;

FIG. 4 is a schematic view of the internal structure of a limit frame of the support structure in the foundation pit according to the present utility model;

in the figure: 1. a support plate; 2. a connecting shaft A; 3. a threaded rod; 4. a fixing plate; 5. a fixed shaft A; 6. a fixed block; 7. a bracket; 8. a fixed shaft B; 9. a chassis; 10. a vertical rod A; 11. a limiting frame; 12. a support block; 13. a telescopic rod; 14. a connecting shaft B; 15. a vertical frame; 16. a vertical rod B; 17. a thread bush A; 18. a bidirectional screw; 19. a thread bush B; 20. a motor A; 21. a rotating shaft A; 22. a fixed rod; 23. a thread bush C; 24. a rotating shaft B; 25. a unidirectional screw; 26. a motor B; 27. a limit rod; 28. and (3) a bearing.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, the foundation pit inner supporting structure comprises a support plate 1 and a bottom frame 9; the inside of the underframe 9 is connected with a motor A20 which drives a rotating shaft A21 to rotate through bolts, a bidirectional screw rod 18 which drives a vertical rod A10 outside a threaded sleeve A17 and a vertical rod B16 outside a threaded sleeve B19 to move transversely is fixed through bolts on one side of the rotating shaft A21, a fixed shaft B8 which drives a bracket 7 to rotate is fixed through bolts on the inner side of the vertical rod A10, a fixed shaft A5 which drives the bracket 7 to rotate is fixed through bolts on one end of the bracket 7 far away from the fixed shaft B8, a fixed block 6 which is connected with a fixed plate 4 is fixed through bolts on one side of the fixed shaft A5, a vertical frame 15 which is fixedly connected with a connecting shaft B14 is fixed through bolts on one side of the underframe 9, a telescopic rod 13 which drives a supporting block 12 on one side of the connecting shaft A2 to move is connected with a limiting frame 11 which is fixedly connected with a threaded rod 3 through bolts on one side of the supporting plate 1, a bearing 28 which drives a limiting rod 27 to enter the inside the supporting block 12 is connected with a fixed shaft B2 through interference, and lubricating oil which is smeared on the surfaces of the connecting shaft A2, the connecting shaft B14, the connecting shaft A5 and the fixed shaft B8;

the screw inside the fixed plate 4 is fixedly provided with a motor B26 for driving a rotating shaft B24 to rotate, one side of the rotating shaft B24 is fixedly provided with a one-way screw rod 25 for driving a threaded sleeve C23 to longitudinally move, and the outer side of the threaded sleeve C23 is welded with a fixed rod 22 connected with the support plate 1; the motor B26, the rotating shaft B24, the fixed rod 22, the unidirectional screw 25 and the threaded sleeve C23 are arranged, so that the distance between the fixed plate 4 and the support plate 1 can be conveniently adjusted;

wherein, the input ends of the motor B26 and the motor A20 are electrically connected with the output end of an external power supply; the electric equipment works normally by connecting an external power supply.

It should be noted that, when the foundation pit inner supporting structure is used, when the foundation pit inner supporting structure is to be used, firstly, the underframe 9 is placed in the foundation pit, then the motor A20 in the underframe 9 is turned on, then the motor A20 converts the received electric energy into mechanical energy, the rotating shaft A21 drives the bidirectional screw rod 18 to rotate, then the thread sleeve A17 and the thread sleeve B19 outside the bidirectional screw rod 18 respectively drive the vertical rod A10 and the vertical rod B16 to move, then the bracket 7 drives the fixed plate 4 to move through the fixed shaft B8 in the vertical frame 15A and the fixed shaft A5 in the fixed block 6, then the outer side of the fixed plate 4 is contacted with the inner side of the foundation pit, then the telescopic rod 13 rotates through the connecting shaft B14 on one side of the vertical frame 15, then the supporting block 12 on one end of the vertical frame 15 is connected with the shaft A2 enters the limiting frame 11 on the inner side of the supporting plate 1, then rotate threaded rod 3 on 11 sides of locating rack, then threaded rod 3 drives gag lever post 27 through bearing 28 and removes, then gag lever post 27 gets into inside supporting shoe 12, make extension board 1 and fixed plate 4 fix inside the foundation ditch, thereby be convenient for support inside the foundation ditch of different width, when the interval of adjusting extension board 1 and fixed plate 4, open the motor B26 switch in the fixed plate 4, then motor B26 turns into mechanical energy with the electric energy that receives, pivot B24 drives unidirectional screw 25 and rotates, then the outside thread bush C23 of unidirectional screw 25 drives extension board 1 on 22 sides of fixed rod, thereby be convenient for adjust the interval between fixed plate 4 and the extension board 1, improve the area to the inside support of foundation ditch.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The support structure in the foundation pit comprises a support plate (1) and a bottom frame (9); the novel hydraulic support is characterized in that a motor A (20) for driving a rotating shaft A (21) to rotate is connected to an inside bolt of a bottom frame (9), a vertical frame (15) for connecting a fixed plate (4) is fixed to one side of the fixed shaft A (5) through a screw, a bidirectional screw (18) for driving a vertical rod A (10) outside a threaded sleeve A (17) and a vertical rod B (16) outside the threaded sleeve B (19) to transversely move is fixed to one side of the rotating shaft A (21) through a screw, a fixing shaft B (8) for enabling a bracket (7) to rotate is fixed to the inner side of the vertical rod A (10) through a screw, a fixing shaft A (5) for enabling the bracket (7) to rotate is fixed to one side of the fixing shaft B (8) through a screw, a fixing block (15) for connecting the fixed shaft B (14) is fixed to one side of the screw, a telescopic rod (13) for driving a supporting block (12) on one side of the connecting shaft A (2) is connected to the outer side of the connecting shaft B (14) through a screw, and a limit block (3) for driving the threaded rod (12) is connected to one side of the supporting plate (1) through a limit block (3) through a screw, and the limit block (27) enters the limit block (28).

2. The foundation pit inner support structure of claim 1, wherein: the motor B (26) for driving the rotating shaft B (24) to rotate is fixed in the fixing plate (4) through screws, and the unidirectional screw rod (25) for driving the threaded sleeve C (23) to longitudinally move is fixed on one side of the rotating shaft B (24) through screws.

3. The foundation pit internal support structure of claim 2, wherein: the outer side of the thread sleeve C (23) is welded with a fixing rod (22) connected with the support plate (1).

4. The foundation pit inner support structure of claim 1, wherein: lubricating oil for prolonging service life is smeared on the surfaces of the connecting shaft A (2), the connecting shaft B (14), the fixed shaft A (5) and the fixed shaft B (8).

5. The foundation pit internal support structure of claim 2, wherein: the input ends of the motor B (26) and the motor A (20) are electrically connected with the output end of an external power supply.