Deep foundation pit supporting device for pipeline engineering

Abstract

The utility model relates to the technical field of pipeline engineering deep foundation pit supporting, and discloses a pipeline engineering deep foundation pit supporting device which comprises a base, and a retractable mechanism and a supporting plate are distributed on the top of the base. Due to the arrangement of the supporting plates and the retracting and releasing mechanism, when the two sides of the deep foundation pit need to be supported, a worker can start the hydraulic rod to utilize extension of one end of the piston rod to be matched with rotation of the movable plate and the stand column, and then the two sets of supporting plates are driven to be overturned to be perpendicular to the base; after supporting is finished, the hydraulic rods are started again, the supporting plates on the two sides are driven to synchronously and inwards overturn to be parallel to the base through contraction of one ends of the piston rods of the hydraulic rods, and therefore the rapid supporting and protecting function of the supporting plates can be achieved through the retracting and releasing mechanism; and manual operation is not needed, the use convenience is improved, the supporting efficiency is improved, and then the practicability of the whole deep foundation pit supporting device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of deep foundation pit support for pipeline engineering, in particular to a deep foundation pit support device for pipeline engineering. Background Art

[0002] During the construction of pipeline engineering, it is necessary to first excavate the foundation pit, then place the pipeline in the foundation pit for splicing and assembly, and then fill the soil back to complete the laying of the pipeline. During the construction of deep foundation pits for pipeline engineering, in order to ensure the stability and safety of the foundation pit, prevent soil collapse and damage to surrounding buildings, a series of temporary support structures are used. These support structures usually include steel support, concrete support, anchor cables, shotcrete and other forms, which are the support devices for deep foundation pits of pipeline engineering.

[0003] A Chinese utility model patent with announcement number CN220978054U discloses a deep foundation pit support device for pipeline engineering, which belongs to the technical field of deep foundation pit support for pipeline engineering. It mainly solves the problem that the existing foundation pit support device is not convenient to adapt to foundation pits of different widths and depths, resulting in a limited scope of application. With respect to the above-mentioned related technologies, the inventors believe that the following defects exist: although in the above-mentioned prior art, by providing auxiliary knobs, adjusting sleeves, threaded rods, and fixing bolts, when adjustment is required, the two auxiliary knobs are turned to use the adjusting sleeves to drive the two threaded rods to telescope and move, thereby adjusting the distance between the two side plates and the two movable plates, so as to facilitate adaptation to foundation pits of different widths, and then by loosening or tightening the fixing bolts, the height of the movable plate is adjusted, so as to facilitate adaptation to foundation pits of different depths; however, due to the large amount of engineering work in foundation pit construction, the existing deep foundation pit support device still needs manual operation to adjust the relative width and length with the fixed support plate during actual use, which increases the cumbersomeness of the use and operation of the support device, makes it inconvenient to quickly support and protect the deep foundation pit of the pipeline project, resulting in low practicality. Therefore, a deep foundation pit support device for pipeline engineering is needed, which can realize the rapid support and protection function of the support plate through a retracting and extending mechanism, does not require manual operation, increases the convenience of use, thereby improving the support efficiency, and improves the practicality of the deep foundation pit support device for pipeline engineering. Utility Model Content

[0004] In order to solve the technical problem that the existing deep foundation pit support device still needs manual operation to adjust the relative width and length of the fixed support plate during actual use, which increases the cumbersomeness of the use of the support device, makes it inconvenient to quickly support and protect the deep foundation pit of the pipeline project, and leads to low practicality, the utility model provides a deep foundation pit support device for pipeline engineering.

[0005] The utility model is implemented by the following technical scheme: a deep foundation pit support device for pipeline engineering, comprising a base, a retractable mechanism and a support plate are distributed on the top of the base, the retractable mechanism comprises a column, a movable plate and a hydraulic rod, and the retractable mechanism is used to drive the support plate to rotate to realize the retractable function of the support plate;

[0006] Among them, the four groups of columns are symmetrically installed on the top of the base, the two groups of movable plates are movably installed on the opposite inner walls of the four groups of columns through pins, the two groups of support plates are distributed and installed on the top of the two groups of movable plates, the two groups of hydraulic rods are movably installed on the top of the base through hinged seats, and one end of the telescopic rods of the two groups of hydraulic rods are movably installed on the bottom of the two groups of support plates through hinged seats.

[0007] Preferably, a push structure is provided on the support plate, and the push structure includes a movable cavity, a push plate and an electric push rod.

[0008] Preferably, the two groups of movable cavities are distributed and opened on two opposite inner walls of the two groups of support plates, and the two groups of push plates are movably installed in the cavities of the movable cavities.

[0009] Preferably, the two groups of electric push rods are movably mounted on the bottom of the two groups of support plates through hinged seats, and one end of the push rods of the two groups of electric push rods are movably mounted on the bottom of the push plate through hinged seats.

[0010] Preferably, a reinforcement structure is provided on the top of the base, and the reinforcement structure includes a support rod and a fixing plate.

[0011] Preferably, the plurality of groups of support rods are movably and distributedly installed on the top of the base through hinged seats, and the plurality of groups of fixing plates are obliquely and distributedly installed on one end of the plurality of groups of support rods.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model is provided with support plates and a retracting and extending mechanism. When it is necessary to support both sides of the deep foundation pit, the staff can start the hydraulic rod and use the extension of one end of the piston rod to cooperate with the rotation of the movable plate and the column, thereby driving the two groups of support plates to flip to be perpendicular to the base, and the deep foundation pit that needs to be supported can be supported and protected by the support plates. After the support is completed, the hydraulic rod can be started again to use the contraction of one end of the piston rod to drive the support plates on both sides to flip inward synchronously to be parallel to the base. In this way, the retracting and extending mechanism can realize the rapid supporting and protecting function of the support plates, without manual operation, which increases the convenience of use, improves the support efficiency, and thus improves the practicality of the overall deep foundation pit support device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The overall structural diagram provided by the utility model;

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 3 It is a front view schematic diagram of the supporting state of the utility model.

[0017] In the figure: 1. base; 2. column; 3. movable plate; 4. support plate; 5. hydraulic rod; 6. movable chamber; 7. push plate; 8. electric push rod; 9. support rod; 10. fixed plate. DETAILED DESCRIPTION

[0018] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0019] See also Figure 1 - Figure 3 , a deep foundation pit support device for pipeline engineering of the present embodiment comprises a base 1, the base 1 supports and stabilizes the overall support device, the base 1 is placed at the bottom of the foundation pit during use, a retracting mechanism and a support plate 4 are arranged on the top of the base 1, the retracting mechanism comprises a column 2, a movable plate 3 and a hydraulic rod 5, the retracting mechanism is used to drive the support plate 4 to rotate, so as to realize the retracting function of the support plate 4, wherein four groups of columns 2 are symmetrically distributed and installed on the top of the base 1, two groups of movable plates 3 are movably distributed and installed on the two opposite inner walls of the four groups of columns 2 through pins, two groups of support plates 4 are distributed and installed on the tops of the two groups of movable plates 3, two groups of hydraulic rods 5 are movably installed on the top of the base 1 through hinged seats, and one end of the telescopic rods of the two groups of hydraulic rods 5 are movably installed on the bottoms of the two groups of support plates 4 through hinged seats respectively;

[0020] Furthermore, when it is necessary to support both sides of the deep foundation pit, the staff can start the hydraulic rod 5, and use the extension of one end of the piston rod to cooperate with the rotation of the movable plate 3 and the column 2, thereby driving the two groups of support plates 4 to flip to both sides along the central axis of the movable plate 3. When the two groups of support plates 4 are flipped to be perpendicular to the base 1, the deep foundation pit that needs to be supported can be supported and protected by the support plates 4. After the support is completed, the hydraulic rod 5 is started again to use the contraction of one end of the piston rod to drive the support plates 4 on both sides to flip inward synchronously to be parallel to the base 1. In this way, the quick support and protection function of the support plates 4 can be realized through the retracting mechanism, without manual operation, which increases the convenience of use and improves the support efficiency.

[0021] Further, a push structure is provided on the support plate 4, and the push structure includes an active cavity 6, a push plate 7 and an electric push rod 8, wherein two groups of active cavities 6 are distributed and opened on two opposite inner walls of the two groups of support plates 4, two groups of push plates 7 are movably installed in the cavity of the active cavity 6, two groups of electric push rods 8 are movably installed on the bottom of the two groups of support plates 4 through hinge seats, and one end of the push rods of the two groups of electric push rods 8 are movably installed on the bottom of the push plate 7 through hinge seats;

[0022] Furthermore, when the foundation pit is deep, after the support plate 4 is flipped and propped up, the staff can start the electric push rod 8, and use the extension of one end of the push rod to drive the push plate 7 to be pushed out from the movable cavity 6, and use the extended push plate 7 to cooperate with the support plate 4 to complete the support and protection function of the deep foundation pits on both sides, so that the overall deep foundation pit support device can adapt to foundation pits of different depths;

[0023] Furthermore, a reinforcement structure is provided on the top of the base 1, and the reinforcement structure includes support rods 9 and fixed plates 10, wherein multiple groups of support rods 9 are movably distributed and installed on the top of the base 1 through hinged seats, and multiple groups of fixed plates 10 are obliquely distributed and installed on one end of the multiple groups of support rods 9; a mounting hole may be opened at the bottom of the support plate 4, and after the support plate 4 and the push plate 7 cooperate to complete the support function, the staff may lift one end of the support rod 9, and use the cooperation of the screws and the mounting holes to fix the fixed plate 10 on one side of the support plate 4, and the support plate 4 is reinforced by the joint action of the support rods 9 and the fixed plate 10, thereby ensuring the safety of the support functions of the support plate 4 and the push plate 7.

[0024] Working principle: when it is necessary to support both sides of the deep foundation pit, the staff can start the hydraulic rod 5 in the retractable mechanism, and use the extension of one end of the piston rod to drive the two groups of support plates 4 to flip to be perpendicular to the base 1, so that the deep foundation pit that needs to be supported can be supported and protected by the support plates 4. After the support is completed, the hydraulic rod 5 can be started again to drive the support plates 4 to flip inward synchronously to be parallel to the base 1. In this way, the rapid support and protection function of the support plates 4 can be realized through the retractable mechanism, and no manual operation is required, which increases the convenience of use and improves the support efficiency; when the foundation pit is deeper, after the support plates 4 are flipped and supported, the staff can start the electric push rod 8 to drive the push plate 7 to be pushed out of the active cavity 6, so that the overall deep foundation pit support device can adapt to foundation pits of different depths, and then the staff can lift one end of the support rod 9, and use the cooperation of the screws and the mounting holes to fix the fixing plate 10 on one side of the support plate 4 to reinforce the support plate 4.

[0025] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A deep foundation pit support device for pipeline engineering, comprising a base (1), characterized in that: The top of the base (1) is provided with a retractable mechanism and a supporting plate (4), wherein the retractable mechanism comprises a column (2), a movable plate (3) and a hydraulic rod (5), and the retractable mechanism is used to drive the supporting plate (4) to rotate, thereby realizing the retractable function of the supporting plate (4); The four groups of columns (2) are symmetrically installed on the top of the base (1), the two groups of movable plates (3) are movably installed on the two inner walls of the four groups of columns (2) through pins, the two groups of support plates (4) are installed on the top of the two groups of movable plates (3), the two groups of hydraulic rods (5) are movably installed on the top of the base (1) through hinged seats, and one end of the telescopic rods of the two groups of hydraulic rods (5) are movably installed on the bottom of the two groups of support plates (4) through hinged seats.

2. A pipeline engineering deep foundation pit support device according to claim 1, characterized in that: The support plate (4) is provided with a push structure, which comprises a movable cavity (6), a push plate (7) and an electric push rod (8).

3. A pipeline engineering deep foundation pit support device according to claim 2, characterized in that: in, The two groups of movable cavities (6) are distributed and opened on two opposite inner walls of the two groups of support plates (4), and the two groups of push plates (7) are movably installed in the cavities of the movable cavities (6).

4. A pipeline engineering deep foundation pit support device according to claim 2, characterized in that: The two groups of electric push rods (8) are movably mounted on the bottom of the two groups of support plates (4) through hinged seats, and one end of the push rods of the two groups of electric push rods (8) is movably mounted on the bottom of the additional push plate (7) through hinged seats.

5. A pipeline engineering deep foundation pit support device according to claim 1, characterized in that: A reinforcement structure is provided on the top of the base (1), and the reinforcement structure comprises a support rod (9) and a fixing plate (10).

6. A pipeline engineering deep foundation pit support device according to claim 5, characterized in that: The plurality of groups of support rods (9) are movably and distributedly installed on the top of the base (1) through hinged seats, and the plurality of groups of fixing plates (10) are obliquely and distributedly installed on one end of the plurality of groups of support rods (9).

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