Open caisson construction structure

Abstract

The utility model relates to the technical field of open caisson construction, in particular to an open caisson construction structure which comprises an open caisson and a sinking auxiliary device. The sinking auxiliary devices are distributed around the open caisson, and each sinking auxiliary device comprises a mounting base, an air cylinder arranged on the mounting base, a connecting rod in driving connection with the air cylinder, a fixing plate arranged on the connecting rod, a plurality of vertical plates symmetrically arranged on the fixing plate, rolling wheels rotationally connected to the vertical plates and connected to the outer circumferential face of the open caisson in an abutting mode, and a stabilizing mechanism arranged on the connecting rod. The stabilizing mechanism comprises a fixing frame arranged on the connecting rod, a rotating shaft connected to the fixing frame in a threaded mode, a connecting assembly arranged on the rotating shaft, two guide rods arranged on the fixing frame in a sliding mode, and a stabilizing clamping plate which is in an arc shape and abuts against the outer circumferential face of the open caisson. The auxiliary guiding device not only can play a good auxiliary guiding role in sinking of the open caisson and ensure the safety of workers, but also can enlarge the application range of a construction structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to sinking well construction technical field, in particular to a sinking well construction structure. BACKGROUND

[0002] The sinking well construction structure is a construction method in underground structure, mainly used for the enclosure structure of deep foundation and underground structure, and its basic principle is that the structure pre-poured on the ground becomes an underground structure after being sunk to a certain depth by digging soil.

[0003] The Chinese patent with publication number CN218880863U discloses a sinking well construction structure, which includes cast-in-place piles, a sinking well, support piles, and a jack. The bottom of the foundation pit to be excavated is uniformly provided with multiple cast-in-place piles. The top of the cast-in-place pile is connected with a support pile. The support pile extends from the foundation pit to be excavated to the ground. The top of the support pile is fixed with a fixed seat in the middle. The jack is fixed on the fixed seat. Displacement and force sensors are arranged on the jack. The inner wall of the sinking well is provided with corbels along the axial direction at intervals corresponding to the position of the jack. The structure is vertically supported by the corbels arranged at intervals on the inner wall. During the sinking process of the sinking well, the jack gradually guides the sinking well downward, controls the inclination during the sinking process of the sinking well, and ensures the perpendicularity and stability during the sinking process of the sinking well.

[0004] However, the above technical solution has the following disadvantages: The use of the jack in the sinking well construction structure requires precise control and operation. Improper use of the jack may cause sudden sinking or tilting of the sinking well, which may pose a safety risk to construction personnel and the surrounding environment. In addition, the use of the jack also increases the complexity and cost of construction. UTILITY MODEL CONTENTS

[0005] The utility model aims to solve the problems in the background art and provides a sinking well construction structure that not only assists in guiding the sinking of the sinking well and ensures the safety of workers but also expands the application range of the construction structure.

[0006] The utility model discloses a technical scheme, a kind of open caisson construction structure, including open caisson and sinking auxiliary device, and open caisson is arranged on ground by sinking;Sinking auxiliary device is distributed around open caisson multiple groups, including the mounting seat being arranged on ground, the cylinder being arranged on mounting seat, the connecting rod being drivenly connected with cylinder, the fixed plate being arranged on connecting rod, multiple symmetrical fixed plates being arranged on fixed plate, the vertical plate being rotatably connected on fixed plate and abutting at the outer periphery of open caisson roller, and the stabilizing mechanism being arranged on connecting rod, stabilizing mechanism includes the fixing frame being arranged on connecting rod, the rotating shaft being threadedly connected on fixing frame, the connecting assembly being arranged on rotating shaft, two guide rods being slidably arranged on fixing frame, and the stabilizing clamping plate being shaped as arc and abutting at the outer periphery of open caisson;Supporting block is provided on fixing frame, sliding slot for supporting block sliding is provided in mounting seat, lengthening barrel is provided on fixing frame, lengthening barrel and threaded portion are threadedly connected, and connecting assembly includes snap ring being rotatably arranged in stabilizing clamping plate, rotating drum being coaxially arranged on snap ring, mounting disc being coaxially arranged on rotating shaft, and second fixed bolt being penetrated through mounting disc and being threadedly connected with rotating drum.

[0007] Preferably, the push rod of the cylinder is coaxially provided with a first connecting disc and a second connecting disc on the connecting rod, a plurality of first fixed bolts in annular array are penetrated through the first connecting disc and the second connecting disc and are threadedly connected, and nuts are threadedly connected on the first fixed bolts.

[0008] Preferably, the rotating shaft is provided with a threaded portion, the fixing frame and the threaded portion are threadedly connected, and the end portion of the rotating shaft is provided with a hand wheel.

[0009] Preferably, the mounting seat is provided with two symmetrically distributed supporting plates, a plurality of positioning pins are provided on the supporting plates, the bottom end of the positioning pin has a pointed end, and the pointed end is inserted into the inside of the ground.

[0010] Compared with the prior art, the utility model has the beneficial technical effects that:

[0011] The auxiliary sinking device can play a good anti-inclination guiding role in the sinking process of the sinking, the shape of the stabilizing clamping plate can be replaced according to the shape of the open caisson, the action position of the roller and the stabilizing clamping plate can be adjusted according to the size of the open caisson, the auxiliary sinking effect on the open caisson is ensured, the application range of the device is improved, the operation is simple and convenient, and the device has good practicability. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structure schematic view of the utility model embodiment;

[0013] Figure 2 It is the whole structure schematic view of the utility model;

[0014] Figure 3 It is the section view schematic view of the mounting seat of the utility model;

[0015] Figure 4 This is a cross-sectional schematic diagram of the stabilizing clamp and mounting plate of this utility model;

[0016] Reference numerals: 1. Ground; 2. Caisson; 3. Mounting base; 4. Cylinder; 5. Connecting rod; 6. Fixing plate; 7. Vertical plate; 8. Roller; 9. First connecting plate; 10. Second connecting plate; 11. First fixing bolt; 12. Nut; 13. Fixing frame; 14. Rotating shaft; 15. Mounting plate; 16. Stabilizing clamp; 17. Snap ring; 18. Rotating cylinder; 19. Second fixing bolt; 20. Extension cylinder; 21. Guide rod; 22. Handwheel; 23. Support block; 24. Slide groove; 25. Support plate; 26. Positioning pin; 27. Tip. Detailed Implementation

[0017] Example 1, as Figures 1-4 As shown in the figure, the caisson construction structure proposed in this embodiment includes a caisson 2 and a sinking auxiliary device; the caisson 2 is sinking and set on the ground 1.

[0018] Multiple sets of sinking auxiliary devices are distributed around the caisson 2, including mounting bases 3 on the ground 1, cylinders 4 on the mounting bases 3, connecting rods 5 driven by the cylinders 4, fixing plates 6 on the connecting rods 5, multiple upright plates 7 symmetrically arranged on the fixing plates 6, rollers 8 rotatably connected to the upright plates 7 and abutting against the outer circumference of the caisson 2, and a stabilizing mechanism on the connecting rods 5. The stabilizing mechanism includes a fixing frame 13 on the connecting rods 5 and a rotating shaft 14 threadedly connected to the fixing frame 13. The rotating shaft 14 is equipped with a connecting component, two guide rods 21 that are slidably mounted on the fixed frame 13, and a stabilizing clamp 16 that is arc-shaped and abuts against the outer circumference of the caisson 2. The rotating shaft 14 is provided with a threaded part, and the fixed frame 13 is threadedly connected to the threaded part. A handwheel 22 is provided at the end of the rotating shaft 14. An extension cylinder 20 is provided on the fixed frame 13 and is threadedly connected to the threaded part. The extension cylinder 20 is used to extend the length of the rotating shaft 14 when it is screwed onto the fixed frame 13, thereby improving the stability of the rotating shaft 14.

[0019] like Figure 4 As shown, the connecting assembly includes a retaining ring 17 rotatably disposed inside the stabilizing clamp 16, a rotating cylinder 18 coaxially disposed on the retaining ring 17, a mounting plate 15 coaxially disposed on the rotating shaft 14, and a second fixing bolt 19 that passes through the mounting plate 15 and is threadedly connected to the rotating cylinder 18. The second fixing bolt 19 can install and remove the mounting plate 15 and the rotating cylinder 18, and can replace the arc-shaped stabilizing clamp 16 with a flat plate to provide auxiliary support for the square-section caisson 2.

[0020] In this embodiment, before the sinking well 2 sinks, the connecting rod 5 is driven to extend by the air cylinder 4, the connecting rod 5 drives the fixed plate 6 and the vertical plate 7 to move, until the rollers 8 abut against the outer circumferential surface of the sinking well 2, the middle part of the sinking well 2 is guided and prevented from being inclined, the setting of the plurality of rollers 8 can further improve the guiding effect, then the hand wheel 22 is rotated to rotate the shaft 14, the threaded part of the shaft 14 is screwed with the fixed frame 13, then the shaft 14 moves along the axial direction and drives the mounting disc 15 to rotate, the mounting disc 15 drives the rotating drum 18 and the clamping ring 17 to rotate, the guiding rod 21 cooperates with the stable clamping plate 16 to guide the movement of the stable clamping plate 16, the clamping ring 17 rotates in the stable clamping plate 16 and also applies a thrust to the stable clamping plate 16, until the stable clamping plate 16 abuts against the outer circumferential surface of the sinking well 2, the guiding and preventing effect of the sinking well 2 from being inclined is further improved, the device can also act on sinking wells 2 of different sizes, the application range of the device is improved, and the device is simple and convenient to operate and has good practicability.

[0021] As shown in Figure 3 embodiment, compared with the first embodiment, in the second embodiment, the push rod of the air cylinder 4 and the connecting rod 5 are coaxially provided with the first connecting disc 9 and the second connecting disc 10 respectively, a plurality of first fixed bolts 11 in annular array are penetrated through and threadedly connected on the first connecting disc 9 and the second connecting disc 10, and the nuts 12 are threadedly connected on the first fixed bolts 11, so that the first connecting disc 9 and the second connecting disc 10 can be installed and disassembled by the first fixed bolts 11 and the nuts 12, so as to separately store and transport the power element, and the operation is simple and convenient.

[0022] The fixed frame 13 is provided with the support block 23, and the mounting seat 3 is internally provided with the sliding groove 24 for sliding of the support block 23, when the connecting rod 5 and the fixed frame 13 are driven to move by the air cylinder 4, the support block 23 moves with the fixed frame 13, and the part of the support block 23 in the sliding groove 24 supports the fixed frame 13 and the connecting rod 5, so as to improve the stability of the stable mechanism during use.

[0023] As shown in Figure 1 and Figure 2 embodiment, compared with the first embodiment, in the third embodiment, the mounting seat 3 is provided with two symmetrically distributed supporting plates 25, the supporting plates 25 are provided with a plurality of positioning pins 26, the bottom end of the positioning pin 26 has a sharp end 27, the sharp end 27 is inserted into the inside of the ground 1, before the sinking auxiliary device is used, the supporting plate 25 is placed on the ground 1 to be fixed, and then the positioning pins 26 are inserted into the ground 1 one by one, so as to complete the fixed installation of the mounting seat 3.

[0024] The embodiment of the utility model has been explained in detail in combination with the drawings, but the utility model is not limited to this, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A caisson construction structure, characterized by, The utility model relates to a sinking well (2) and a sinking auxiliary device, and the sinking auxiliary device is distributed with multiple groups around the sinking well (2) and comprises a mounting base (3), a cylinder (4) arranged on the mounting base (3), a connecting rod (5) in driving connection with the cylinder (4), a fixed plate (6) arranged on the connecting rod (5), multiple vertical plates (7) symmetrically arranged on the fixed plate (6), a roller (8) rotatably connected to the vertical plate (7) and abutting against the outer circumferential surface of the sinking well (2), and a stabilizing mechanism arranged on the connecting rod (5), wherein the stabilizing mechanism comprises a fixing frame (13) arranged on the connecting rod (5), a rotating shaft (14) screwedly connected to the fixing frame (13), a connecting assembly arranged on the rotating shaft (14), two guide rods (21) slidingly arranged on the fixing frame (13), and a stabilizing clamping plate (16) in the shape of an arc and abutting against the outer circumferential surface of the sinking well (2); the fixing frame (13) is provided with a supporting block (23), the mounting base (3) is internally provided with a sliding groove (24) for the sliding movement of the supporting block (23), the fixing frame (13) is provided with an elongated cylinder (20), the elongated cylinder (20) is screwedly connected to a threaded portion, the connecting assembly comprises a clamping ring (17) rotatably arranged in the stabilizing clamping plate (16), a rotating cylinder (18) coaxially arranged on the clamping ring (17), a mounting disc (15) coaxially arranged on the rotating shaft (14), and a second fixing bolt (19) penetrating through the mounting disc (15) and screwedly connected to the rotating cylinder (18). The push rod of the cylinder (4) is coaxially provided with a first connecting disc (9) and a second connecting disc (10) on the connecting rod (5) respectively, a plurality of first fixing bolts (11) in annular array are screwedly connected to the first connecting disc (9) and the second connecting disc (10), and the first fixing bolts (11) are screwedly connected with nuts (12). The rotating shaft (14) is provided with a threaded portion, the fixing frame (13) is screwedly connected to the threaded portion, and the end portion of the rotating shaft (14) is provided with a hand wheel (22).

2. A caisson construction structure according to claim 1, wherein The mounting base (3) is provided with two symmetrically distributed supporting plates (25), the supporting plates (25) are provided with a plurality of positioning pins (26), and the bottom end of each positioning pin (26) has a pointed end (27).

3. A caisson construction structure according to claim 1, wherein ​ 4. A caisson construction structure according to claim 1, wherein ​

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