Protective structure used in earth-rock excavation construction of stilling well foundation pit

Abstract

The utility model belongs to the technical field of stilling wells, and particularly relates to a protective structure used in the earth-rock excavation construction of a stilling well foundation pit, which comprises an inner pit and supporting devices, the supporting devices are arranged at four corners of the inner surface of the inner pit, each supporting device comprises a baffle, the baffles are inserted into the inner surface of the inner pit, a plurality of connecting blocks are fixedly connected to the side walls of the baffles, and the connecting blocks are connected with the inner surface of the inner pit. Supporting frames are fixedly connected to the surfaces of the multiple connecting blocks, inserting rods are fixedly connected to the bottom ends of the supporting frames, reinforcing devices are arranged on the surfaces of the two extension plates on the same side, each reinforcing device comprises two connecting plates, the two connecting plates are inserted into the inner walls of the two extension plates correspondingly, and the inner walls of the connecting plates and the inner walls of the extension plates are in threaded connection with two fixing pins; the side wall of the connecting plate is fixedly connected with three moving rods, and the surfaces of the two moving rods close to each other are sleeved with storage rods; by arranging the whole device, the inner pit can be supported, the situation that the inner pit collapses is reduced, and therefore the work amount is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a force dissipating well technology field, specifically a protection structure used in the earthwork excavation construction of force dissipating well foundation pit. BACKGROUND

[0002] The force dissipating well introduces underground water or other liquid into the well, balances the space in the well with atmospheric pressure, and thus achieves the purpose of pressure reduction. It is often used in building construction, underground pipeline and tunnel engineering, especially in gravity water pipeline such as large-drop drainage, water supply or flood discharge. The force dissipating well can reduce the energy of water flow by its own structure and protect the safety of riverbanks and pipelines and other facilities.

[0003] For the above and existing related technologies, the inventors believe that the following defects often exist: during the construction of the force dissipating well, the foundation pit needs to be excavated for subsequent construction. Due to the uniqueness of the foundation pit, it is not convenient to construct according to the specification requirements when the foundation pit is excavated to two or three meters. In order to facilitate subsequent construction, the problem of increased engineering quantity will occur. Therefore, a protection structure used in the earthwork excavation construction of force dissipating well foundation pit is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background art.

[0005] The technical solution adopted by the utility model to solve its technical problems is: the protection structure used in the earthwork excavation construction of force dissipating well foundation pit, comprising an inner pit and a supporting device, the four corners of the inner surface of the inner pit are each provided with a supporting device, the supporting device comprises a baffle, the baffle is inserted into the inner surface of the inner pit, the side wall of the baffle is fixedly connected with a plurality of connecting blocks, the surface of the connecting blocks is fixedly connected with a supporting frame, the bottom end of the supporting frame is fixedly connected with a plug rod, the baffle drives the connecting blocks and the supporting frame to move, the supporting frame drives the plug rod to slide, the plug rod is inserted into the soil, and the inner pit is supported by the baffle, the connecting blocks, the supporting frame and the plug rod.

[0006] Preferably, two fixed rods are inserted into the inner wall of the supporting frame. After the supporting frame is attached to the ground, the fixed rods are pushed to be inserted into the soil, and the fixed rods can limit the position of the supporting frame.

[0007] Preferably, the inner surface of the baffle is threadedly connected with two threaded rods, one end of the threaded rod away from the baffle is rotatably connected with an extension plate, the threaded rod drives the extension plate to move, and the range of support of the baffle can be increased by providing the threaded rod and the extension plate.

[0008] Preferably, the side wall of the extension plate is fixedly connected with a plurality of sliding rods, the surface of the sliding rod is in sliding connection with the inner wall of the baffle, the sliding rod slides in the inner wall of the baffle, and the extension plate can be supported by arranging the sliding rod.

[0009] Preferably, the surface of the threaded rod is fixedly connected with a knob, the knob drives the threaded rod to rotate when the threaded rod needs to be operated, and the threaded rod can be conveniently operated by arranging the knob.

[0010] Preferably, the surface of the threaded rod is fixedly connected with a knob, the knob drives the threaded rod to rotate when the threaded rod needs to be operated, and the threaded rod can be conveniently operated by arranging the knob.

[0011] Preferably, the surface of the threaded rod is fixedly connected with a knob, the knob drives the threaded rod to rotate when the threaded rod needs to be operated, and the threaded rod can be conveniently operated by arranging the knob.

[0012] The utility model discloses the beneficial effect that:

[0013] 1. The utility model discloses after the inner pit is excavated to a certain degree, push the baffle and let the baffle stick to the inner pit, the baffle moves and will drive the connecting block and support frame to move, and the support frame drives the insertion rod to move, and the insertion rod is inserted into the soil, then the fixed rod is inserted into the inner wall of support frame and the inner wall of soil, and then the knob is pushed and let the knob drive the threaded rod to rotate, the threaded rod rotates in the inner wall of baffle and the side wall of extension plate, and the threaded rod drives the extension plate to move, and the extension plate drives the sliding rod to slide, and the sliding rod slides in the inner wall of baffle, and the whole device can support the inner pit by arranging, reduces the situation of the inner pit collapse, thereby reduces the engineering quantity.

[0014] 2. The utility model discloses after the extension plate is set up, and the connecting plate is dragged and let the connecting plate drive the moving rod to slide, and the moving rod slides in the inner wall of the storage rod, and the connecting plate moves to the suitable position, and then the fixed pin is rotated to the inner wall of the storage rod and the positioning hole inner wall of the moving rod, and then the connecting plate is inserted into the inner surface of the extension plate, and then the fixed pin is rotated to the inner wall of the connecting plate and the extension plate, and the whole device can increase the strength of the support device by arranging, and can also increase the protection to the inner pit. ACCURACY OF DRAWINGS

[0015] In order to more clearly illustrate the technical schemes in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the accompanying drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the premise of the accompanying drawings.

[0016] Figure 1 It is a three-dimensional structure schematic diagram of an inner pit of a protective structure used in earthwork excavation construction of a stilling well foundation pit.

[0017] Figure 2 It is a structure schematic diagram of A place of the protective structure used in earthwork excavation construction of a stilling well foundation pit. Figure 1

[0018] Figure 3 It is an exploded structure schematic diagram of a supporting device of the protective structure used in earthwork excavation construction of a stilling well foundation pit.

[0019] Figure 4 It is a side view structure schematic diagram of a baffle of the protective structure used in earthwork excavation construction of a stilling well foundation pit.

[0020] Figure 5 It is an exploded structure schematic diagram of a reinforcing device of the protective structure used in earthwork excavation construction of a stilling well foundation pit.

[0021] In the drawings: 1, inner pit; 2, supporting device; 21, baffle; 22, connecting block; 23, supporting frame; 24, insertion rod; 25, fixed rod; 26, threaded rod; 27, extension plate; 28, sliding rod; 29, knob; 3, reinforcing device; 31, connecting plate; 32, moving rod; 33, storage rod; 34, fixed pin; 35, positioning pin; 36, positioning hole. DETAILED DESCRIPTION

[0022] The technical schemes in the embodiments of the present application will be clearly and completely described below in combination with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0023] Please refer to Figures 1-5 ​As shown, a kind of protection structure used in soil and stone excavation construction of force well foundation pit, including inner pit 1 and support device 2, the four corners of the inner surface of the inner pit 1 are equipped with support device 2, the support device 2 includes baffle 21, the baffle 21 is inserted in the inner surface of inner pit 1, the side wall of the baffle 21 is fixedly connected with multiple connecting blocks 22, the surface of multiple connecting blocks 22 is fixedly connected with support frame 23, the bottom of support frame 23 is fixedly connected with inserting rod 24;When working, push baffle 21 to let baffle 21 adhere to inner pit 1, baffle 21 drives connecting block 22 and support frame 23 to move, support frame 23 drives inserting rod 24 to slide, inserting rod 24 is inserted into soil, by being provided with baffle 21, connecting block 22, support frame 23 and inserting rod 24, inner pit 1 can be supported.

[0024] The inner wall of the support frame 23 is inserted with two fixed rods 25;When working, push fixed rod 25 to let fixed rod 25 be inserted into soil, and the position of support frame 23 can be limited by fixed rod 25.

[0025] The inner surface of the baffle 21 is threadedly connected with two threaded rods 26, one end of the threaded rod 26 away from the baffle 21 is rotatably connected with extension plate 27;When working, push threaded rod 26 to let threaded rod 26 rotate in the inner wall of baffle 21, threaded rod 26 drives extension plate 27 to move, by being provided with threaded rod 26 and extension plate 27, the range of baffle 21 support can be increased.

[0026] The side wall of the extension plate 27 is fixedly connected with multiple slide rods 28, and the surface of the slide rod 28 is slidably connected with the inner wall of the baffle 21;When working, extension plate 27 drives slide rod 28 to slide, and slide rod 28 slides in the inner wall of baffle 21, by being provided with slide rod 28, extension plate 27 can be supported.

[0027] The surface of the threaded rod 26 is fixedly connected with knob 29;When working, push knob 29 to let knob 29 drive threaded rod 26 to rotate, by being provided with knob 29, threaded rod 26 can be conveniently operated.

[0028] The surface of two same side extension plates 27 is provided with reinforcing device 3, the reinforcing device 3 includes two connecting plates 31, two connecting plates 31 are respectively inserted in the inner wall of two extension plates 27, the inner wall of the connecting plate 31 and the extension plate 27 is threadedly connected with two fixed pins 34, the side wall of the connecting plate 31 is fixedly connected with three moving rods 32, and the surface of two moving rods 32 close to each other is sleeved with containing rod 33;When working, pull connecting plate 31 to let connecting plate 31 drive moving rod 32 to slide, moving rod 32 slides in the inner wall of containing rod 33, then connecting plate 31 is inserted into the inner surface of extension plate 27, and then fixed pin 34 is rotated to the inner wall of connecting plate 31 and extension plate 27, by being provided with connecting plate 31, moving rod 32, containing rod 33 and fixed pin 34, the strength of extension plate 27 can be increased.

[0029] The surface of the moving rod 32 is provided with a plurality of positioning holes 36, and the inner wall of the receiving rod 33 and the inner wall of the positioning hole 36 of the moving rod 32 are threadedly connected with a positioning pin 35; in operation, the positioning pin 35 is rotated to the inner wall of the receiving rod 33 and the inner wall of the positioning hole 36, and the positioning pin 35 can limit the position of the moving rod 32 on the inner wall of the receiving rod 33.

[0030] The working principle is that after the inner pit 1 is excavated to a certain extent, the baffle 21 is pushed to make the baffle 21 adhere to the inner pit 1, the baffle 21 moves to drive the connecting block 22 and the support frame 23 to move, the support frame 23 drives the insertion rod 24 to move, the insertion rod 24 is inserted into the soil, then the fixed rod 25 is inserted into the inner wall of the support frame 23 and the inner wall of the soil, the knob 29 is pushed to make the knob 29 drive the threaded rod 26 to rotate, the threaded rod 26 rotates in the inner wall of the baffle 21 and the side wall of the extension plate 27, the threaded rod 26 drives the extension plate 27 to move, the extension plate 27 drives the sliding rod 28 to slide, the sliding rod 28 slides in the inner wall of the baffle 21, the whole device can support the inner pit 1, reduce the collapse of the inner pit 1, and thus reduce the engineering quantity; after the extension plate 27 is set, the connecting plate 31 is pulled to make the connecting plate 31 drive the moving rod 32 to slide, the moving rod 32 slides in the inner wall of the receiving rod 33, the connecting plate 31 is moved to the appropriate position, then the positioning pin 35 is rotated to the inner wall of the receiving rod 33 and the inner wall of the positioning hole 36 of the moving rod 32, the connecting plate 31 is inserted into the inner surface of the extension plate 27, then the fixed pin 34 is rotated to the inner wall of the connecting plate 31 and the extension plate 27, the whole device can increase the strength of the support device 2, and also can increase the protection of the inner pit 1.

[0031] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The basic principles, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A protective structure used in the excavation of a stilling well foundation pit, comprising an inner pit (1) and a support device (2), characterized in that: Support devices (2) are provided at the four corners of the inner surface of the inner pit (1). Each support device (2) includes a baffle (21). The baffle (21) is inserted into the inner surface of the inner pit (1). Multiple connecting blocks (22) are fixedly connected to the side wall of the baffle (21). A support frame (23) is fixedly connected to the surface of the multiple connecting blocks (22). A rod (24) is fixedly connected to the bottom end of the support frame (23).

2. The protective structure used in the excavation of a stilling well foundation pit according to claim 1, characterized in that: Two fixing rods (25) are inserted into the inner wall of the support frame (23).

3. The protective structure used in the excavation of a stilling well foundation pit according to claim 1, characterized in that: The inner surface of the baffle (21) is threaded with two threaded rods (26), and an extension plate (27) is rotatably connected to the end of the threaded rod (26) away from the baffle (21).

4. The protective structure used in the excavation of a stilling well foundation pit according to claim 3, characterized in that: The side wall of the extension plate (27) is fixedly connected with a plurality of slide rods (28), and the surface of the slide rods (28) is slidably connected to the inner wall of the baffle (21).

5. The protective structure used in the excavation of a stilling well foundation pit according to claim 3, characterized in that: A knob (29) is fixedly connected to the surface of the threaded rod (26).

6. The protective structure used in the excavation of a stilling well foundation pit according to claim 3, characterized in that: The two extension plates (27) on the same side are provided with a reinforcing device (3). The reinforcing device (3) includes two connecting plates (31). The two connecting plates (31) are respectively inserted into the inner wall of the two extension plates (27). The inner wall of the connecting plate (31) and the extension plate (27) are threadedly connected with two fixing pins (34). The side wall of the connecting plate (31) is fixedly connected with three moving rods (32). The surface of the two moving rods (32) that are close to each other is fitted with a storage rod (33).

7. The protective structure used in the excavation of a stilling well foundation pit according to claim 6, characterized in that: The surface of the moving rod (32) is provided with a plurality of positioning holes (36), and the inner wall of the storage rod (33) and the inner wall of the positioning holes (36) of the moving rod (32) are threadedly connected with positioning pins (35).

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