CN220813887U - Foundation pit support frame - Google Patents

Abstract

The utility model discloses a foundation pit support frame, which comprises a bottom plate, wherein two sides of the top of the bottom plate are fixedly connected with fixed plates, a rotating rod is rotationally connected between the two fixed plates, the outer side of the rotating rod is fixedly connected with a support plate, through the cooperation of a limiting plate and the limiting rod, a motor is used for driving the support plate to deflect, when the support plate deflects, the limiting plate deflects to prop up the limiting rod, so that the limiting rod moves upwards, when a through hole on the surface of the limiting plate rotates to the front to be in contact with the limiting rod, the limiting rod slides down along the through hole and is inserted into the surface of the limiting plate, and thus when the support plate deflects to a certain angle to be abutted against the side wall of a foundation pit, the limiting rod can limit the support plate to be deflected, the support plate is fixed, and when the support frame needs to be retracted, only a first handle is required to be pulled, the limiting rod is pulled to leave the through hole on the surface of the limiting plate, the limiting plate is removed, and the motor drives the support plate to move, and a first connecting rod and a second connecting rod are retracted into a groove.

Description

Foundation pit support frame

Technical Field

The utility model relates to a foundation pit support, in particular to a foundation pit support.

Background

The foundation pit is the space below the ground excavated for the construction of building foundation and basement, and the foundation pit inevitably causes the subsidence of surrounding soil body in the excavation process, and the foundation pit is strutted, is the fender, reinforcement and the safeguard measure of being adopted to foundation pit lateral wall and surrounding environment for guaranteeing the safety of underground structure construction and foundation pit surrounding environment, when the transformer substation carries out civil engineering, usually can dig some small-size foundation pits, need to strutted these small-size foundation pits, guarantees the safety of foundation pit surrounding environment.

As chinese patent CN217870518U discloses a foundation pit support, promote the roof upward movement through the rotor plate top in this technical scheme, lifter plate upward movement, the second slider at second sliding plate both ends slides on the second spout, is convenient for adjust the support height, and rotor plate and slope case support the lifter plate simultaneously, keep the supporting strength of support not co-altitude.

However, in the above-disclosed technical scheme, the purpose of adjusting the height of the support frame is achieved by moving the second sliding block to slide in the second sliding groove, but the existing method is complicated and inconvenient when the support frame is installed or stored, so that the construction progress is greatly influenced, and the working efficiency of a construction site is slowed down.

Disclosure of utility model

In order to solve the problems, the following technical scheme is provided:

The utility model provides a foundation ditch strut, includes the bottom plate, the equal fixedly connected with fixed plate in both sides at bottom plate top, rotates between two fixed plates and is connected with the dwang, the outside fixedly connected with backplate of dwang, one side fixedly connected with limiting plate of backplate.

One side of a support plate is rotationally connected with a first connecting rod, a motor is fixedly arranged in the bottom plate, the output end of the motor is fixedly connected with a second connecting rod, the second connecting rod is rotationally connected with the first connecting rod, one sides of the two fixing plates are fixedly connected with a support plate, one side of the support plate is fixedly connected with a spring, one end of the spring is fixedly connected with a first handle, and one side of the first handle is fixedly connected with a limiting rod.

As the further improvement of above-mentioned scheme, adjusting part includes the lead screw of rotating the connection with the backplate, and the one end fixed mounting of lead screw has the second handle, and the outside threaded connection of lead screw has two movable blocks, and the one end fixedly connected with mounting panel of movable block, when the foundation ditch area of backplate protection is less, can knob second handle, drives two movable blocks and keep away from each other to shift out the backplate inside with two mounting panels, can increase the protection area of backplate like this.

As a further improvement of the scheme, an opening for the mounting plate to move is formed in the support plate, a sliding block is fixedly connected to the surface of the mounting plate, and a sliding groove for the sliding block to move is formed in the support plate.

As a further improvement of the scheme, the limiting plate is arranged in an L shape, through holes for the limiting rod to move are formed in the surfaces of the limiting plate and the supporting plate, and the through holes are formed in the surfaces of the limiting plate and the supporting plate, so that the limiting rod can move conveniently.

As a further improvement of the scheme, the surface of the bottom plate is provided with the grooves, the bottom of the bottom plate is fixedly provided with a plurality of fixing cones, the surface of the bottom plate is provided with the grooves, and the first connecting rod and the second connecting rod can be retracted into the grooves.

As a further improvement of the scheme, the opening for overturning the limiting plate is formed in the surface of the bottom plate, and the opening is formed in the surface of the bottom plate, so that the limiting plate can be overturned conveniently.

The utility model has the following beneficial effects:

This foundation ditch strut, through the cooperation of limiting plate and gag lever post, use the motor, drive the backplate and deflect, when the backplate is deflecting, the limiting plate can deflect the top and move the gag lever post, make the gag lever post upwards move, when the through-hole on limiting plate surface rotates to openly and the gag lever post contact, the gag lever post can slide down along the through-hole, insert the gag lever post surface, like this when the backplate deflects to certain angle and foundation ditch lateral wall support tightly, the gag lever post can limit the backplate and deflect, fix the backplate, when needs pack up the backplate, only need the pulling first handle, the pulling gag lever post leaves the through-hole on limiting plate surface, remove the restriction to the limiting plate, the motor drives the backplate and removes, receive in the recess with head rod and second connecting rod, easy to assemble like this, accomodate the backplate.

This foundation ditch strut through setting up adjusting part, rotates the second handle to adjust the distance between two mounting panels, when the foundation ditch area of backplate protection is less, can make two mounting panels shift out in the backplate, can increase the protection area of backplate like this.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is an exploded view of the structural support plate of the present utility model;

Fig. 4 is a schematic view of a structural stop lever of the present utility model.

The reference numerals are explained as follows:

1. A bottom plate; 2. a support plate; 3. a first connecting rod; 4. a second connecting rod; 5. a motor; 6. a fixing plate; 7. a limit rod; 8. a support plate; 9. a spring; 10. a screw rod; 11. a limiting plate; 12. a mounting plate; 13. a first handle; 14. a second handle; 15. and rotating the rod.

Description of the embodiments

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

Examples

Please combine fig. 1-4, a foundation pit support of this embodiment, including bottom plate 1, the both sides at bottom plate 1 top are all fixedly connected with fixed plate 6, rotate between two fixed plates 6 and be connected with dwang 15, the outside fixedly connected with backplate 2 of dwang 15, one side fixedly connected with limiting plate 11 of backplate 2, the opening that supplies limiting plate 11 to overturn has been seted up on the surface of bottom plate 1, set up the opening on the surface of bottom plate 1, make things convenient for limiting plate 11 upset.

One side of the support plate 2 is rotationally connected with a first connecting rod 3, the motor 5 is fixedly arranged in the bottom plate 1, the output end of the motor 5 is fixedly connected with a second connecting rod 4, the second connecting rod 4 is rotationally connected with the first connecting rod 3, a groove is formed in the surface of the bottom plate 1, a plurality of fixing cones are fixedly arranged at the bottom of the bottom plate 1, the groove is formed in the surface of the bottom plate 1, the first connecting rod 3 and the second connecting rod 4 can be retracted into the groove, one sides of the two fixing plates 6 are fixedly connected with a support plate 8, one side of the support plate 8 is fixedly connected with a spring 9, one end of the spring 9 is fixedly connected with a first handle 13, one side of the first handle 13 is fixedly connected with a limiting rod 7, the limiting plate 11 is in an L-shaped structure, through holes for the movement of the limiting rod 7 are formed in the surfaces of the limiting plate 11 and the support plate 8, and the through holes are formed in the surfaces of the limiting plate 11 and the support plate 8, and thus the limiting rod 7 can be conveniently moved.

The implementation principle of the foundation pit support in the embodiment of the application is as follows: when needs use, install bottom plate 1 in the foundation ditch bottom, starter motor 5, motor 5 drives second connecting rod 4 and rotates, second connecting rod 4 and head rod 3 rotate and be connected, and head rod 3 and backplate 2 rotate and are connected, so second connecting rod 4 can drive head rod 3 and remove, thereby drive backplate 2 deflection, when backplate 2 deflects, backplate 2's one side fixed mounting has limiting plate 11, so limiting plate 11 can follow backplate 2 deflection, when limiting plate 11 deflects, limiting plate 11 can push up and move gag lever post 7, gag lever post 7 receives the effect that pushes up and moves upwards, when backplate 2 and foundation ditch lateral wall butt time, the through-hole on limiting plate 11 surface can rotate to openly and gag lever post 7 contact, gag lever post 7 can slide down along the through-hole, insert limiting plate 11 surface, gag lever post 7 can restrict backplate 2 deflection like this, fix backplate 2, the backplate 2 is conveniently installed like this.

When the device needs to be folded, the first handle 13 is pulled, the first handle 13 can pull the limiting rod 7 to leave the through hole on the surface of the limiting plate 11, the limitation on the limiting plate 11 is removed, the motor 5 is started in the same way, the second connecting rod 4 is driven to move reversely, the support plate 2 is driven to move, and the first connecting rod 3 and the second connecting rod 4 can be retracted into the groove formed in the surface of the bottom plate 1, so that the support plate 2 is conveniently stored.

Examples

The further improvement of this embodiment on the basis of embodiment 1 is that: the adjusting part includes the lead screw 10 of rotating the connection with the backplate 2, the one end fixed mounting of lead screw 10 has the second handle 14, the outside threaded connection of lead screw 10 has two movable blocks, the one end fixedly connected with mounting panel 12 of movable block, the opening that supplies mounting panel 12 to remove has been seted up to the inside of backplate 2, the fixed surface of mounting panel 12 is connected with the sliding block, the spout that supplies the sliding block to remove has been seted up to the inside of backplate 2, when backplate 2 protection's foundation ditch area is less, can knob second handle 14, drive two movable blocks and keep away from each other, thereby shift out backplate 2 inside with two mounting panels 12, can increase backplate 2's protection area like this.

The foregoing has shown and described the basic principles, principal features and advantages of the 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.

Claims (6)

1. A foundation pit support, comprising:

The device comprises a bottom plate (1), wherein both sides of the top of the bottom plate (1) are fixedly connected with fixing plates (6), a rotating rod (15) is rotatably connected between the two fixing plates (6), a support plate (2) is fixedly connected to the outer side of the rotating rod (15), and a limit plate (11) is fixedly connected to one side of the support plate (2);

One side of backplate (2) rotates and is connected with head rod (3), the inside fixedly provided with motor (5) of bottom plate (1), the output fixedly connected with second connecting rod (4) of motor (5), second connecting rod (4) rotate with head rod (3) to be connected, two one side of fixed plate (6) is all fixedly connected with backup pad (8), one side fixedly connected with spring (9) of backup pad (8), one end fixedly connected with first handle (13) of spring (9), one side fixedly connected with gag lever post (7) of first handle (13).

2. A foundation pit support according to claim 1, wherein: the adjusting component comprises a screw rod (10) rotationally connected with the support plate (2), a second handle (14) is fixedly arranged at one end of the screw rod (10), two movable blocks are connected with the outer side of the screw rod (10) in a threaded manner, and a mounting plate (12) is fixedly connected with one end of each movable block.

3. A foundation pit support according to claim 2, wherein: the support plate (2) is characterized in that an opening for the mounting plate (12) to move is formed in the support plate (2), a sliding block is fixedly connected to the surface of the mounting plate (12), and a sliding groove for the sliding block to move is formed in the support plate (2).

4. A foundation pit support according to claim 1, wherein: the limiting plate (11) is L-shaped, and through holes for the limiting rod (7) to move are formed in the surfaces of the limiting plate (11) and the supporting plate (8).

5. A foundation pit support according to claim 1, wherein: the surface of the bottom plate (1) is provided with a groove, and a plurality of fixing cones are fixedly arranged at the bottom of the bottom plate (1).

6. A foundation pit support according to claim 1, wherein: an opening for overturning the limiting plate (11) is formed in the surface of the bottom plate (1).