Foundation pit support structure

Abstract

The utility model relates to the field of building construction equipment, and discloses a foundation pit enclosure structure which comprises an enclosure plate, two grooves are formed in one side of the enclosure plate, supporting vertical plates are rotationally connected to inner cavities of the grooves through rotating shafts, one sides of the two supporting vertical plates are fixedly connected with a fixing mechanism, and the other sides of the two supporting vertical plates are fixedly connected with the fixing mechanism. A stabilizing groove is formed in one side of each supporting vertical plate, a containing shell is fixedly connected to one side of the enclosure plate, a stabilizing plate is arranged in an inner cavity of the containing shell, and according to the foundation pit enclosure structure, after the second enclosure plate is attached to the foundation pit wall and the stabilizing plate is taken down, the supporting vertical plates in the two grooves are rotated out by 90 degrees correspondingly; after the fixing mechanism is used for fixing, the fixing mechanism is matched with the supporting vertical plates of the right triangle structures to fix the enclosure plate, finally, the stabilizing plate is inserted into the stabilizing grooves in the two supporting vertical plates, and foundation pit enclosure operation is completed. The problem that operation of constructors is affected due to the fact that an existing foundation pit support structure occupies a large space of a foundation pit is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction equipment, in particular to a foundation pit enclosure structure. Background Art

[0002] The foundation pit retaining structure mainly bears the water pressure and soil pressure generated by the foundation pit excavation unloading, and transfers this pressure to the support. It is a temporary retaining wall structure for stabilizing the foundation pit. Common types of foundation pit maintenance components include sheet piles, columns, underground uninterrupted wall foundations, etc. Their main function is to bear the water and soil pressure generated when the foundation pit is unloaded, and transfer the pressure to the support layer. It is a type of temporary retaining wall structure used to consolidate the foundation pit.

[0003] The patent with publication number CN220486466U discloses a foundation pit retaining structure, which includes a fixed plate, a baffle plate is fixedly installed on one end of the top of the fixed plate, an extension plate is movably sleeved inside the baffle plate, a fixed rod is hinged on the other end of the top of the fixed plate, and an adjusting sleeve is threadedly sleeved on the other end of the fixed rod. The device is movably sleeved with the extension plate through the inside of the baffle plate, and the left and right sides of the extension plate are hingedly connected to the extension rod. Through the threaded structure design of the fixed rod, the adjusting sleeve and the extension rod, the operator can extend the length of the extension rod by rotating the adjusting sleeve, so that the extension plate can rise through the extension rod to achieve The effect of raising the height of the device is that the structural cooperation of the fixed block and the clamping plate makes the device have stronger supporting force during work. However, the device has a large fixed plate area for being placed at the bottom of the foundation pit. If both sides of the foundation pit are to be fenced, two need to be placed symmetrically. At this time, a large area of ​​the bottom of the foundation pit will be occupied by the fixed plate, which will not only reduce the activity space inside the foundation pit and affect the movement of people, but also make it impossible to perform other engineering operations on the bottom of the foundation pit covered by the fixed plate, thereby affecting the construction. For this reason, a foundation pit retaining structure is proposed to solve the problem that the existing foundation pit retaining structure occupies a large foundation pit space and affects the operation of construction personnel. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a foundation pit retaining structure to solve the above-mentioned problems.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foundation pit retaining structure, including a retaining plate, one side of the retaining plate is provided with two grooves, the inner cavity of the groove is rotatably connected to a supporting vertical plate by a rotating shaft, one side of the two supporting vertical plates is fixedly connected to a fixing mechanism, one side of the supporting vertical plate is provided with a stabilizing groove, one side of the retaining plate is fixedly connected to a placement shell, the inner cavity of the placement shell is provided with a stabilizing plate, one side of the placement shell is penetrated by a limiting pin, one side of the retaining plate is provided with a second retaining plate, the interior of the retaining plate is provided with an adjustment mechanism, and the adjustment mechanism includes an opening An adjustment groove is provided on one side of the protective plate, and an adjustment block is provided in the inner cavity of the adjustment groove, and the adjustment block is fixedly connected to the second protective plate. An adjustment screw is provided through the adjustment groove, and the intersection of the adjustment screw and the protective plate is connected by a second bearing. The inner wall of the protective plate is rotatably connected with a rotating shaft, and the outer rings of the adjusting screw and the rotating shaft are fixedly connected with bevel gears, and the two bevel gears are ninety degrees and meshed. The rotating shaft passes through the protective plate and a turning handle is fixed at the end. A limiting slide groove is provided on the right side of the second protective plate, and a limiting slider is fixedly connected to the inner cavity of the limiting slide groove, and the limiting slider is fixedly connected to the protective plate.

[0008] Preferably, the support upright plate is in the shape of a right triangle, and the bottoms of the support upright plate and the fixing mechanism are flush with the bottom of the enclosure plate.

[0009] Preferably, there is a friction force between the stabilizing plate and the placement shell that can keep the two relatively still, and the limiting pin penetrates the placement shell to the inner cavity of the stabilizing plate.

[0010] Preferably, the fixing mechanism comprises a fixing seat fixed to one side of the supporting vertical plate, the inner cavity of the fixing seat is provided with a lifting plate, and a plurality of fixing nails are fixedly connected to the bottom of the lifting plate.

[0011] Preferably, a bearing is fixedly connected to the top of the inner cavity of the lifting plate, a screw is fixedly connected to the inner ring of the bearing, the screw passes through the fixing seat and is threadedly connected, and a knob is fixedly connected to the top of the screw.

[0012] (III) Beneficial effects

[0013] 1. The foundation pit retaining structure fits the second retaining plate against the foundation pit wall, removes the stabilizing plate, rotates the supporting uprights in the two grooves 90 degrees respectively, fixes them with a fixing mechanism, and then aligns the retaining plates with the supporting uprights of the right-angled triangle structure. Finally, insert the stabilizing plate into the stabilizing grooves of the two supporting uprights to complete the foundation pit retaining operation. This retaining structure occupies a small area and has stable support, which solves the problem that the existing foundation pit retaining structure occupies a large space in the foundation pit and affects the operation of construction personnel.

[0014] 2. The foundation pit retaining structure utilizes a turning handle to drive the bevel gear on the rotating shaft to rotate, and then under the action of the bevel gear on the adjusting screw, drives the adjusting screw to rotate, cooperates with the adjusting block in the threaded adjusting groove, and the limiting slider in the limiting slide groove, it can drive the second retaining plate to move upward, thereby achieving the purpose of adjusting the height of this foundation pit retaining structure, and is convenient for retaining foundation pit walls of different depths. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the structural diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the structural enclosure plate of the utility model;

[0017] Figure 3 This is a schematic diagram of the structural fixing mechanism of the utility model;

[0018] Figure 4 This is the structural diagram of the utility model;

[0019] Figure 5 It is a cross-sectional view of the structure of the utility model.

[0020] In the figure: 1. protective plate; 2. groove; 3. supporting plate; 4. fixing mechanism; 401. fixing seat; 402. lifting plate; 403. fixing nail; 404. screw; 405. bearing; 5. stabilizing groove; 6. placing shell; 7. stabilizing plate; 8. limiting pin; 9. second protective plate; 10. adjusting mechanism; 101. adjusting groove; 102. adjusting block; 103. adjusting screw; 104. second bearing; 105. bevel gear; 106. rotating shaft; 107. turning handle; 108. limiting slide groove; 109. limiting slider. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example: See Figure 1-5A foundation pit retaining structure includes a retaining plate 1, one side of the retaining plate 1 is provided with two grooves 2, the inner cavity of the groove 2 is rotatably connected with a supporting plate 3 by a rotating shaft, one side of the two supporting plates 3 is fixedly connected with a fixing mechanism 4, one side of the supporting plate 3 is provided with a stabilizing groove 5, one side of the retaining plate 1 is fixedly connected with a placing shell 6, the inner cavity of the placing shell 6 is provided with a stabilizing plate 7, one side of the placing shell 6 is penetrated with a limiting pin 8, one side of the retaining plate 1 is provided with a second retaining plate 9, the interior of the retaining plate 1 is provided with an adjusting mechanism 10, the adjusting mechanism 10 includes an adjusting groove 101 provided on one side of the retaining plate 1, and the inner cavity of the adjusting groove 101 is provided with an adjusting block 102, the adjustment block 102 is fixedly connected to the second protective plate 9, the adjustment slot 101 is penetrated by an adjustment screw 103, the intersection of the adjustment screw 103 and the protective plate 1 is connected by a second bearing 104, the inner wall of the protective plate 1 is rotatably connected with a rotating shaft 106, the outer rings of the adjustment screw 103 and the rotating shaft 106 are fixedly connected with bevel gears 105, the two bevel gears 105 are ninety degrees and meshed, the rotating shaft 106 penetrates the protective plate 1 and a turning handle 107 is fixed at the end, a limiting slide groove 108 is provided on the right side of the second protective plate 9, the inner cavity of the limiting slide groove 108 is fixedly connected with a limiting slider 109, and the limiting slider 109 is fixedly connected to the protective plate 1.

[0023] Furthermore, the support plate 3 is in the shape of a right triangle, and the bottoms of the support plate 3 and the fixing mechanism 4 are flush with the bottom of the enclosure plate 1 .

[0024] Furthermore, there is a friction force between the stabilizing plate 7 and the placement shell 6 that can keep the two relatively still, and the limiting pin 8 penetrates the placement shell 6 to the inner cavity of the stabilizing plate 7 .

[0025] Furthermore, the fixing mechanism 4 includes a fixing seat 401 fixed to one side of the supporting vertical plate 3 , the inner cavity of the fixing seat 401 is provided with a lifting plate 402 , and a plurality of fixing nails 403 are fixedly connected to the bottom of the lifting plate 402 .

[0026] Furthermore, a bearing 405 is fixedly connected to the top of the inner cavity of the lifting plate 402, a screw 404 is fixedly connected to the inner ring of the bearing 405, the screw 404 passes through the fixing seat 401 and is threadedly connected, and a knob is fixedly connected to the top of the screw 404.

[0027] Working principle: when using this foundation pit retaining structure, fit the retaining plate 1 together with the second retaining plate 9 to the foundation pit wall, then remove the limit pin 8, pull the stabilizing plate 7 out of the placement shell 6, then turn the supporting uprights 3 in the two grooves 2 out ninety degrees, and after fixing them with the fixing mechanism 4, use the supporting uprights 3 with a right-angled triangle structure to align the retaining plate 1, and finally insert the stabilizing plate 7 into the stabilizing grooves 5 in the two supporting uprights 3. The structure occupies a small area and has stable support, which solves the problem that the existing foundation pit retaining structure occupies a large space in the foundation pit and affects the operation of construction personnel; use the turning handle 107 to drive the bevel gear 105 on the rotating shaft 106 to rotate, and then under the action of the bevel gear 105 on the adjusting screw 103, drive the adjusting screw 103 to rotate, and cooperate with the adjusting block 102 in the adjusting groove 101 with the threaded connection, so as to drive the second retaining plate 9 to move upward, thereby achieving the purpose of height adjustment of this foundation pit retaining structure, which is convenient for adjusting foundations of different depths. The pit wall is enclosed, and when the adjusting screw 103 is used to cooperate with the adjusting block 102 with the threaded connection to drive the second enclosure plate 9 to move, the limiting slider 109 in the limiting slide groove 108 is cooperated to improve the stability of the second enclosure plate 9 when moving, and the firmness of the second enclosure plate 9 on one side of the enclosure plate 1 after it moves up to the appropriate position and stops; by rotating the supporting vertical plate 3 rotatably connected in the groove 2 out and then fixing it with the fixing mechanism 4 for easy installation, and after rotating it into the groove 2, the supporting vertical plate 3 is enclosed with the stabilizing plate 7 and the limiting pin 8 for easy movement and transportation, thereby improving the convenience of installation and transportation of this foundation pit enclosure structure; when the supporting vertical plate 3 is rotated out of the groove 2, the screw 404 can be driven to rotate by the knob, and the threaded connection and the bearing 405 can be used to drive the lifting plate 402 in the fixing seat 401 to move up, so that the fixing nail 403 is inserted into the bottom of the foundation pit, and the supporting vertical plate 3 is fixed, thereby improving the stability of this foundation pit maintenance structure.

[0028] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A foundation pit retaining structure, comprising a retaining plate (1), characterized in that: Two grooves (2) are provided on one side of the enclosure plate (1); the inner cavity of the grooves (2) is rotatably connected to a supporting upright plate (3) by means of a rotating shaft; one side of the two supporting upright plates (3) is fixedly connected to a fixing mechanism (4); one side of the supporting upright plate (3) is provided with a stabilizing groove (5); one side of the enclosure plate (1) is fixedly connected to a placement shell (6); the inner cavity of the placement shell (6) is provided with a stabilizing plate (7); a limiting pin (8) is provided through one side of the placement shell (6); a second enclosure plate (9) is provided on one side of the enclosure plate (1); an adjusting mechanism (10) is provided inside the enclosure plate (1); the adjusting mechanism (10) comprises an adjusting groove (101) provided on one side of the enclosure plate (1); the inner cavity of the adjusting groove (101) is provided with an adjusting block (102); The adjusting block (102) is fixedly connected to the second enclosure plate (9), the adjusting groove (101) is penetrated by an adjusting screw (103), the intersection of the adjusting screw (103) and the enclosure plate (1) is connected by a second bearing (104), the inner wall of the enclosure plate (1) is rotatably connected with a rotating shaft (106), the outer rings of the adjusting screw (103) and the rotating shaft (106) are fixedly connected with a bevel gear (105), the two bevel gears (105) are 90 degrees and meshed, the rotating shaft (106) penetrates the enclosure plate (1) and a turning handle (107) is fixed at the end, a limiting slide groove (108) is provided on the right side of the second enclosure plate (9), the inner cavity of the limiting slide groove (108) is fixedly connected with a limiting slider (109), and the limiting slider (109) is fixedly connected to the enclosure plate (1).

2. A foundation pit retaining structure according to claim 1, characterized in that: The support upright plate (3) is in the shape of a right triangle, and the bottoms of the support upright plate (3) and the fixing mechanism (4) are both flush with the bottom of the enclosure plate (1).

3. A foundation pit retaining structure according to claim 1, characterized in that: There is a friction force between the stabilizing plate (7) and the placement shell (6) that can keep the two relatively still, and the limiting pin (8) penetrates the placement shell (6) to the inner cavity of the stabilizing plate (7).

4. A foundation pit retaining structure according to claim 1, characterized in that: The fixing mechanism (4) comprises a fixing seat (401) fixed to one side of the supporting upright plate (3); a lifting plate (402) is arranged in the inner cavity of the fixing seat (401); and a plurality of fixing nails (403) are fixedly connected to the bottom of the lifting plate (402).

5. A foundation pit retaining structure according to claim 4, characterized in that: A bearing (405) is fixedly connected to the top of the inner cavity of the lifting plate (402), a screw (404) is fixedly connected to the inner ring of the bearing (405), the screw (404) passes through the fixing seat (401) and is threadedly connected, and a knob is fixedly connected to the top of the screw (404).

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