Protective structure for deep foundation pit excavation in building construction
The protective structure, consisting of side wall panels, left wall panels, movable supports, and cable reel, solves the problem of poor protection effect in foundation pit construction in existing technologies, achieving better protection effect and convenient operation of the protective net.
Patent Information
- Application Number
- CN202520047788.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-09
AI Technical Summary
Existing construction pit protection measures are ineffective and cannot effectively prevent falling objects from above into the pit.
The protective structure consists of side wall panels, left wall panels, movable supports, cable reel, and positioning bolts. Through the cooperation of pull ropes and rotating plates, a triangular protective net is formed. Combined with the raising and lowering of the cable reel, the protective net can be unfolded and retracted, forming a protective frame around the pit.
It improves the protective effect, effectively prevents falling objects, and facilitates the deployment and retraction of the protective net, providing better construction safety.
Smart Images
Figure CN223688930U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of foundation pit excavation protection, in particular to a building construction deep foundation pit excavation protection structure. BACKGROUND
[0002] Deep foundation pit refers to the excavation depth more than 5 meters (including 5 meters), or depth although not more than 5 meters, but the geological conditions and surrounding environment and underground pipeline particularly complicated engineering. In the building foundation pit construction, in order to ensure construction safety, prevent the falling object from falling into the foundation pit inside, need to take protective measures to the excavation building foundation pit, the existing protective means is poor, cannot provide effective protection effect. CONTENT OF THE UTILITY MODEL
[0003] In view of the prior art's deficiency, the utility model provides a building construction deep foundation pit excavation protection structure, solves the problem proposed above.
[0004] In order to realize above-mentioned purpose, the utility model realizes through the following technical scheme: a building construction deep foundation pit excavation protection structure, including the side wall guard board of setting in the front and rear of foundation pit, the left wall guard board of setting in the left side of foundation pit, the take-up reel of the movable support rotation setting on the ground on the side of foundation pit and the positioning bolt of fixing on the ground on the side of foundation pit, both sides of movable support are all fixedly connected with guide block, the side of two side wall guard board is all set with the guide groove of sliding connection with the surface of guide block, the left side of movable support is fixedly connected with the protection net of being fixedly connected with the right side of left wall guard board, the surface of movable support is fixedly connected with first pull rope and second pull rope respectively, one end of first pull rope is fixedly connected with one side of take-up reel, the surface of positioning bolt is sleeved with the sleeve ring through the sleeve of one end of second pull rope, one side of two side wall guard board is rotatably connected with rotating plate, the left side of movable support is fixedly connected with support, the side of support is set with the clamping groove of being clamped with rotating plate, when needing to pull open protection net, the second pull rope is pulled to the right side of foundation pit, then drives movable support to move to the right through pulling second pull rope, and the protection net is pulled open and covers the top of foundation pit and carries out protection, when movable support moves to the rightmost side, rotating plate is rotated at this moment, and its tail end is inserted into the clamping groove on the left side of support, and the triangular structure is formed above protection net, prevents the possible falling weight, and the protection effect is better, and the first pull rope is reeled in or out through rotating take-up reel, can actively pull movable support to move to the left, and the protection net is retracted, effectively shields the surface of foundation pit.
[0005] As a further scheme of the utility model: the shaft end of take-up reel is embedded into the ground, the first pull rope is reeled in or out through rotating take-up reel, can actively pull movable support to move to the left, and the protection net is retracted.
[0006] As a further scheme of the utility model: the positioning stake is inserted into the ground, and is used for positioning the second pull rope; when the protective net needs to be pulled open, the second pull rope is pulled to the right side of the foundation pit, then the second pull rope is pulled to drive the movable support to move rightwards, the protective net is pulled open and covers the top of the foundation pit to protect, when the movable support moves to the rightmost side, the rotating plate is rotated at this time, the tail end of the rotating plate is inserted into the clamping groove on the left side of the support, a triangular structure is formed above the protective net, heavy objects that may fall are prevented, and the protection effect is better.
[0007] As a further scheme of the utility model: the two sides of the left wall guard plate are fixedly connected with the insertion rods, the side edges of the two side wall guard plates are provided with the insertion grooves matched with the insertion rods, the surface of the side wall guard plate is movably connected with the positioning rods, and one end of the positioning rod penetrates the insertion groove and the insertion rod in sequence and extends into the inner cavity of the insertion rod.
[0008] Compared with the prior art, the utility model has the following beneficial effects:
[0009] 1、 when the protective net needs to be pulled open, the second pull rope is pulled to the right side of the foundation pit, then the second pull rope is pulled to drive the movable support to move rightwards, the protective net is pulled open and covers the top of the foundation pit to protect, when the movable support moves to the rightmost side, the rotating plate is rotated at this time, the tail end of the rotating plate is inserted into the clamping groove on the left side of the support, a triangular structure is formed above the protective net, heavy objects that may fall are prevented, and the protection effect is better, the first pull rope is retracted and released through the rotating take-up reel, the movable support can be actively pulled to move leftwards, the protective net is retracted, and the surface of the foundation pit is effectively shielded.
[0010] 2、 the two sides of the left wall guard plate are fixedly connected with the insertion rods, the side edges of the two side wall guard plates are provided with the insertion grooves matched with the insertion rods, the surface of the side wall guard plate is movably connected with the positioning rods, and one end of the positioning rod penetrates the insertion groove and the insertion rod in sequence and extends into the inner cavity of the insertion rod. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is the structure of the utility model and the top view;
[0012] Figure 2 It is the unfolded state schematic view of the protective net of the utility model;
[0013] Figure 3 It is the utility model Figure 1 It is the local enlarged view of A in the utility model.
[0014] In the figure: 1, side wall guard plate; 2, left wall guard plate; 3, movable support; 4, guide block; 5, guide groove; 6, insertion rod; 7, insertion groove; 8, positioning rod; 9, rotating plate; 10, support; 11, first pull rope; 12, second pull rope; 13, take-up reel; 14, positioning bolt; 15, foundation pit; 16, protective net. DETAILED DESCRIPTION
[0015] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.
[0016] Please refer to Figures 1-3 The utility model provides a technical scheme: a building construction deep foundation pit excavation protection structure, including setting in the side wall guard plate 1 before and after the foundation pit 15, setting in the left wall guard plate 2 of foundation pit 15, movable support 3 rotation setting in the take-up reel 13 of foundation pit 15 side ground and the positioning bolt 14 fixed in the foundation pit 15 side ground, both sides of movable support 3 are fixedly connected with guide block 4, the side of two side wall guard plates 1 is all seted up with the guide groove 5 of surface sliding connection of guide block 4, the left side fixed connection of movable support 3 has with the right side fixed connection of left wall guard plate 2 protective net 16, the surface of movable support 3 is fixedly connected with first pull rope 11 and second pull rope 12 respectively, one end of first pull rope 11 is fixedly connected with one side of take-up reel 13, one end of second pull rope 12 is through the surface of positioning bolt 14 and is sleeved in the ring, the side of two side wall guard plates 1 is all rotationally connected with rotating plate 9, the left side fixed connection of movable support 3 has support 10, the side of support 10 is seted up with the clamping groove of clamping of rotating plate 9, when needing to pull open protective net 16, pull second pull rope 12 to the right side of foundation pit 15, then drive movable support 3 to move right by pulling second pull rope 12, pull open protective net 16 and cover in the top of foundation pit 15 and carry out protection, when movable support 3 moves to the rightmost side, rotating plate 9 is rotated to the clamping groove in the left side of support 10 is inserted, and the triangular structure is formed above protective net 16, prevent the heavy object that possibly falls, and the protection effect is better, and the first pull rope 11 is reeled in and out by rotating take-up reel 13, and the movable support 3 can be actively pulled to move left, and the protective net 16 is retracted, and the shielding effect on the surface of foundation pit 15 is effectively achieved.
[0017] The shaft end of take-up reel 13 is embedded in the ground, and the first pull rope 11 is reeled in and out by rotating the take-up reel 13, and the movable support 3 can be actively pulled to move left, and the protective net 16 is retracted.
[0018] The positioning peg 14 is inserted into the ground inside, used for positioning the second pull rope 12, when the protective net 16 needs to be pulled open, the second pull rope 12 is pulled to the right side of the foundation pit 15, then the movable support 3 is driven to move rightwards by pulling the second pull rope 12, the protective net 16 is pulled away and covers the top of the foundation pit 15 to protect, when the movable support 3 moves to the rightmost side, the rotating plate 9 is rotated at this time, the tail end is inserted into the clamping groove on the left side of the support 10, a triangular structure is formed above the protective net 16, the heavy object that can fall is prevented, and the protection effect is better.
[0019] The both sides of the left wall guard plate 2 are fixedly connected with the inserting rods 6, the side edges of the two side wall guard plates 1 are provided with the inserting grooves 7 matched with the inserting rods 6, the surface of the side wall guard plate 1 is movably connected with the positioning rods 8, one end of the positioning rod 8 extends to the inner cavity of the inserting rod 6 in sequence through the inserting groove 7 and the inserting rod 6, then the positioning rod 8 is inserted into the inner cavity of the inserting rod 6, the left wall guard plate 2 and the side wall guard plate 1 can be simply fixed, a protective frame is formed around the three edges of the foundation pit 15, and the other edge is hollow for equipment and personnel to enter and exit.
[0020] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, without departing from the technical scheme of the present application. Any modification, equivalent change and modification of the above embodiments, which does not depart from the technical scheme of the present application, is still within the scope of the present application.
Claims
1. A construction deep foundation pit excavation protection structure, comprising a side wall protection plate (1) arranged in front of and behind a foundation pit (15), a left wall protection plate (2) arranged on the left side of the foundation pit (15), a movable support (3) rotatably arranged on a wire collecting disc (13) on the ground on the side of the foundation pit (15), and a positioning bolt (14) fixed on the ground on the side of the foundation pit (15), characterized in that: Both sides of the movable support (3) are fixedly connected with guide blocks (4), the side edges of the two side wall guard plates (1) are provided with guide grooves (5) in sliding connection with the surfaces of the guide blocks (4), the left side of the movable support (3) is fixedly connected with a protective net (16) fixedly connected with the right side of the left wall guard plate (2), the surface of the movable support (3) is fixedly connected with a first pull rope (11) and a second pull rope (12) respectively, one end of the first pull rope (11) is fixedly connected with one side of a take-up reel (13), one end of the second pull rope (12) is sleeved on the surface of a positioning bolt (14) through a sleeve ring, one side of each of the two side wall guard plates (1) is rotatably connected with a rotating plate (9), the left side of the movable support (3) is fixedly connected with a support (10), and the side edge of the support (10) is provided with a clamping groove in clamping connection with the rotating plate (9).
2. The building construction deep foundation pit excavation protection structure according to claim 1, characterized in that: The shaft end of the take-up reel (13) is embedded in the ground.
3. The building construction deep foundation pit excavation protection structure according to claim 1, characterized in that: The positioning bolt (14) is inserted into the ground, and is used for positioning the second pull rope (12).
4. The building construction deep foundation pit excavation protection structure according to claim 1, characterized in that: Both sides of the left wall guard plate (2) are fixedly connected with insertion rods (6), the side edges of the two side wall guard plates (1) are provided with insertion grooves (7) matched with the insertion rods (6), the surface of the side wall guard plate (1) is movably connected with a positioning rod (8), one end of the positioning rod (8) penetrates the insertion groove (7) and the insertion rod (6) in sequence and extends to the inner cavity of the insertion rod (6).