CN218990198U - A foundation pit anti-collapse supporting structure - Google Patents

Abstract

The utility model discloses a collapse-preventing supporting structure of a foundation pit, which comprises a bottom plate, a supporting plate, vertical rods, two-way screw rods, a connecting box, supporting plates and a driving assembly, wherein the supporting plate is connected inside the bottom plate in a sliding manner, the two vertical rods are symmetrically and fixedly connected to the top of the supporting plate, the top of the two vertical rods is fixedly connected with a top plate, the two-way screw rods are symmetrically and rotatably connected between the top plate and the bottom plate, the two sliding plates are symmetrically and spirally connected to the outer parts of the two-way screw rods.

Description

A foundation pit anti-collapse supporting structure

technical field

The utility model relates to the technical field of foundation pit protection, in particular to a foundation pit anti-collapse supporting structure.

Background technique

The foundation pit support is to ensure the safety of the underground structure construction and the surrounding environment of the foundation pit. The support, reinforcement and protection measures are adopted for the side wall of the foundation pit and the surrounding environment. The side walls are in contact, and the support arm is used to press the side plate to support the foundation pit. Although this method is relatively simple, it requires frequent disassembly and assembly with the construction of the foundation pit, which is not only flexible It is poor, and it does not have the function of active top pressure, so it cannot actively squeeze the loose soil, and the soil residue is easy to fall off, thus affecting the overall stability of the foundation pit.

Invention content:

The purpose of this utility model is to provide a foundation pit anti-collapse supporting structure in order to solve the above problems, which solves the problems mentioned in the background technology.

In order to solve the above problems, the utility model provides a technical solution:

An anti-collapse support structure for a foundation pit, comprising a bottom plate, a supporting plate, a vertical rod, a two-way screw, a slide plate, a connection box, a supporting plate and a drive assembly, the inside of the bottom plate is slidably connected to a supporting plate, and the supporting plate The top of the top is symmetrically fixedly connected with two vertical rods, and the tops of the two vertical rods are fixedly connected with a top plate, and the symmetrical rotation between the top plate and the bottom plate is connected with two two-way screw rods. There are two symmetrically threaded slides, each of which is slidably connected to the vertical rod, each of the slides is rotatably connected to a support arm, and the ends of the plurality of support arms away from the slide are rotatably connected to a connection box, The inside of the connection box is provided with a T-shaped slot, and a T-shaped plate is detachably connected to the inside of the T-shaped slot. One side of the T-shaped plate extends to the outside of the connection box and is fixedly connected with a support plate. The top of the top plate is provided with a drive assembly.

As a preferred solution of the present utility model, the drive assembly includes a mounting box, a worm gear, a transmission shaft, a worm and a hand wheel, the top of the top plate is fixedly connected with the mounting box, and the top ends of the two bidirectional screw rods are extended The inside of the installation box is fixedly connected with a worm gear, the inside of the installation box is rotatably connected with a transmission shaft, and the outside of the transmission shaft is provided with two worms, and the worms are meshed with the corresponding worm wheels respectively, and the transmission One end of the shaft extends to the outside of the installation box and is fixedly connected with a hand wheel.

As a preferred solution of the present utility model, two slide grooves are arranged symmetrically inside the bottom plate, and a slide bar is slidably connected to the inside of the slide groove, and one side of the slide bar is fixedly connected to the outside of the supporting plate. The inside of the bottom plate is provided with a through groove on one side of the chute, the inside of the through groove is provided with a screw, one end of the screw extends to the inside of the chute and is fixedly connected with the slide bar, the outside of the screw And the outer side of the bottom plate is covered with an extruded plate, and the outside of the screw rod and the outer side of the extruded plate are threadedly connected with a nut.

As a preferred solution of the present invention, a ground plug is detachably connected to the inside of the bottom plate, a contact plate is sleeved on the outside of the ground plug above the bottom plate, and a tooth plate is fixedly connected to the bottom of the bottom plate.

As a preferred solution of the present invention, two support plates are symmetrically fixedly connected to the bottom of the top plate, and the bottom end of the support plate is fixedly connected to the top of the supporting plate.

The beneficial effects of the utility model are: the drive assembly is used with the two-way screw rod, and the connection box can be driven by the sliding plate and the support arm to move, and the support plate inside the connection box can be replaced according to the shape of the foundation pit, which can not only improve the The flexibility of use, and it can also have the function of active extrusion, so as to prevent the slag from falling. At the same time, the supporting plate can slide inside the bottom plate, and the position of the overall equipment can be moved according to the construction of the foundation pit. It can be disassembled to support the foundation pit according to the construction position.

Description of drawings:

For ease of illustration, the utility model is described in detail by the following specific implementation and accompanying drawings.

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is the front perspective view of the base plate of the present utility model;

Fig. 3 is an enlarged view of A in Fig. 2 of the present utility model.

In the figure: 1. Bottom plate; 2. Support plate; 3. Upright rod; 4. Top plate; 5. Two-way screw rod; 6. Skateboard; 7. Support arm; 8. Connection box; Groove; 11, T-shaped plate; 12, drive assembly; 121, installation box; 122, worm gear; 123, transmission shaft; 124, worm; 125, hand wheel; 13, support plate; Plate; 16, chute; 17, slide bar; 18, through groove; 19, screw; 20, extrusion plate; 21, nut; 22, tooth plate.

Detailed ways:

As shown in Figures 1-3, this embodiment adopts the following technical solutions:

Example:

An anti-collapse support structure for a foundation pit, comprising a bottom plate 1, a supporting plate 2, a vertical rod 3, a two-way screw rod 5, a slide plate 6, a connection box 8, a support plate 9 and a drive assembly 12, and the inside of the bottom plate 1 is slidingly connected with The supporting plate 2, the top of the supporting plate 2 is symmetrically fixedly connected with two vertical rods 3, the top of the two vertical rods 3 is fixedly connected with a top plate 4, and the top plate 4 and the bottom plate 1 are symmetrically rotated and connected with two two-way screw rods 5, The movement of the slide plate 6 can be positioned by the vertical rod 3, which not only prevents it from rotating during the movement, but also bears pressure on the slide plate 6, thereby preventing the pressure from acting on the two-way screw rod 5. The two two-way screw rods The outside of 5 is symmetrically threaded with two slide plates 6, each slide plate 6 is slidingly connected with the vertical rod 3, and the inside of each slide plate 6 is connected with a support arm 7, and the ends of multiple support arms 7 away from the slide plate 6 are rotatably connected. There is a connection box 8, the inside of the connection box 8 is provided with a T-shaped slot 10, the inside of the T-shaped slot 10 is detachably connected with a T-shaped plate 11, and one side of the T-shaped plate 11 extends to the outside of the connection box 8 and is fixedly connected with a The support plate 9 and the top of the top plate 4 are provided with a drive assembly 12, and the drive assembly 12 is used in conjunction with the two-way screw rod 5 to drive the connection box 8 to move with the slide plate 6 and the support arm 7, and the support inside the connection box 8 The plate 9 can be replaced according to the shape of the foundation pit, which not only improves the flexibility of use, but also has the function of active extrusion, thereby preventing the soil residue from falling.

Further, the drive assembly 12 includes an installation box 121, a worm gear 122, a transmission shaft 123, a worm 124 and a hand wheel 125, the top of the top plate 4 is fixedly connected with the installation box 121, and the top ends of the two bidirectional screw rods 5 all extend to the installation box 121 The inside of the installation box 121 is fixedly connected with a worm wheel 122, and the inside of the installation box 121 is rotatably connected with a transmission shaft 123. The outside of the transmission shaft 123 is provided with two worms 124, and the worms 124 are meshed with the corresponding worm wheels 122 respectively. One end of the transmission shaft 123 Extending to the outside of the installation box 121 and fixedly connected with a handwheel 125, the transmission shaft 123 is driven to rotate inside the installation box 121 by the handwheel 125, at this time the transmission shaft 123 drives the worm 124 to rotate, and the worm 124 cooperates with the worm wheel 122 when rotating. When the two bidirectional screw rods 5 rotate, the slide plate 6 outside the two bidirectional screw rods 5 can slide outside the vertical rod 3, so that the position of the connection box 8 can be adjusted.

Further, the interior of the base plate 1 is provided with two chute 16 symmetrically, the inside of the chute 16 is slidably connected with a slide bar 17, one side of the slide bar 17 is fixedly connected with the outside of the supporting plate 2, and the inside of the base plate 1 is located on the slide One side of the groove 16 is provided with a through groove 18, the inside of the through groove 18 is provided with a screw rod 19, one end of the screw rod 19 extends to the inside of the slide groove 16 and is fixedly connected with the slide bar 17, the outside of the screw rod 19 is located on the outside of the bottom plate 1 The extruding plate 20 is sleeved, and the outside of the screw rod 19 is threadedly connected with a nut 21 outside the extruding plate 20, and the nut 21 outside the screw rod 19 is rotated, so that the extruding plate 20 can be extruded by the nut 21 On the outside of the bottom plate 1, the supporting plate 2 can be fixed.

Further, the inside of the bottom plate 1 is detachably connected with a ground plug 14, and the outside of the ground plug 14 is provided with a contact plate 15 above the bottom plate 1. The bottom of the bottom plate 1 is fixedly connected with a tooth plate 22, which is matched and contacted by the ground plug 14. The plate 15 can fix the bottom plate 1 at the bottom of the foundation pit, and can reinforce the bottom plate 1 under the cooperation of the tooth plate 22 .

Further, the bottom of the top plate 4 is symmetrically fixedly connected with two support plates 13, and the bottom end of the support plate 13 is fixedly connected with the top of the supporting plate 2, the top plate 4 can be supported by the support plate 13, and the overall stability can be ensured .

Specifically, when using the support structure, the base plate 1 is first fixed on the bottom of the foundation pit through the ground plug 14 and the contact plate 15, and the base plate 1 can be fixed under the cooperation of the tooth plate 22, and then the supporting plate 2 is pushed to the bottom of the foundation pit. The inside of the bottom plate 1 moves. At this time, the bottom plate 1 drives the sliding bar 17 to slide inside the chute 16. When the sliding bar 17 moves, it drives the screw rod 19 to slide in the through groove 18. When the supporting plate 2 moves to a suitable position, it turns The nut 21 on the outside of the screw rod 19, at this time, the nut 21 can squeeze the extruding plate 20 outside the base plate 1, at this time, the supporting plate 2 can be positioned, and then according to the shape of the inside of the foundation pit, a suitable support Guard plate 9, and insert the T-shaped plate 11 on one side of the support plate 9 into the T-shaped groove 10 inside the connection box 8, and then drive the transmission shaft 123 to rotate inside the installation box 121 through the hand wheel 125. At this time, the transmission shaft 123 drives worm screw 124 to rotate, and worm screw 124 cooperates worm wheel 122 to drive two two-way screw mandrels 5 to rotate when rotating, and now the slide plate 6 outside two two-way screw mandrels 5 can slide outside vertical bar 3, and at the same time, slide plate 6 Drive the support arm 7 to rotate, at this time the support arm 7 can push the connection box 8 to move, so as to make the support plate 9 approach the inner wall of the foundation pit, and then squeeze and support it. It can not only prevent it from rotating during the movement, but also can bear pressure on the slide plate 6, so as to prevent the pressure from acting on the two-way screw rod 5. The top plate 4 can be supported by the support plate 13, which can ensure overall stability.

In the description of the present utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", " The orientation or positional relationship indicated by "top", "inner", "front", "central", "both ends" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description , rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the number of indicated technical features, Thus, a feature defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

In this utility model, unless otherwise clearly specified and limited, terms such as "installation", "setting", "connection", "fixation" and "rotation" should be understood in a broad sense, for example, it may be a fixed connection, It can also be detachable connection, or integrated; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction of two components Unless otherwise clearly defined, those skilled in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a foundation ditch collapse prevention supporting structure, its characterized in that, including bottom plate (1), layer board (2), pole setting (3), two-way lead screw (5), slide (6), junction box (8), backplate (9) and drive assembly (12), the inside sliding connection of bottom plate (1) has layer board (2), the top symmetry fixedly connected with two pole setting (3) of layer board (2), two the top fixedly connected with roof (4) of pole setting (3), symmetrical rotation is connected with two-way lead screw (5) between roof (4) and bottom plate (1), two the outside equal symmetry threaded connection of two-way lead screw (5) has two slide (6), every slide (6) all with pole setting (3) sliding connection, every slide (6) inside rotation connection has support arm (7), a plurality of support arm (7) keep away from slide (6) one end rotation and be connected with junction box (8), T type groove (10) have been seted up to the inside of junction box (8), the inside of T type groove (10) is dismantled and is connected with two slide (11) to extension of template (8) and extension one side of backplate (8), the top of the top plate (4) is provided with a driving component (12).

2. The foundation pit collapse prevention supporting structure according to claim 1, wherein the driving assembly (12) comprises a mounting box (121), worm wheels (122), a transmission shaft (123), worm rods (124) and a hand wheel (125), the top of the top plate (4) is fixedly connected with the mounting box (121), the top ends of the two bidirectional screw rods (5) are both extended to the inside of the mounting box (121) and fixedly connected with the worm wheels (122), the transmission shaft (123) is rotatably connected to the inside of the mounting box (121), two worm rods (124) are sleeved on the outside of the transmission shaft (123), and the worm rods (124) are respectively meshed with the corresponding worm wheels (122), and one end of the transmission shaft (123) is extended to the outside of the mounting box (121) and fixedly connected with the hand wheel (125).

3. The foundation pit collapse prevention supporting structure according to claim 1, wherein two sliding grooves (16) are symmetrically formed in the bottom plate (1), sliding strips (17) are slidably connected in the sliding grooves (16), one side of each sliding strip (17) is fixedly connected with the outside of the supporting plate (2), a through groove (18) is formed in the bottom plate (1) and located on one side of each sliding groove (16), a screw rod (19) is arranged in the through groove (18), one end of each screw rod (19) extends to the inside of each sliding groove (16) and is fixedly connected with the corresponding sliding strip (17), an extrusion plate (20) is sleeved outside each screw rod (19) and located on the outside of the bottom plate (1), and a screw cap (21) is connected to the outside of each extrusion plate (20) in a threaded mode.

4. The foundation pit collapse prevention supporting structure according to claim 1, wherein the inside of the base plate (1) is detachably connected with a ground plug (14), the outside of the ground plug (14) is sleeved with a contact plate (15) above the base plate (1), and the bottom of the base plate (1) is fixedly connected with a toothed plate (22).

5. The foundation pit collapse prevention supporting structure according to claim 1, wherein two supporting plates (13) are symmetrically and fixedly connected to the bottom of the top plate (4), and the bottom ends of the supporting plates (13) are fixedly connected to the top of the supporting plate (2).

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