Novel structure of elevator foundation pit foundation

Abstract

The utility model relates to the technical field of elevator equipment, and discloses a novel structure of an elevator foundation pit foundation, which comprises two connecting frames, clamping columns are fixedly connected to the front end and the rear end of the left side of the connecting frame on the right side, locking grooves are formed in the top walls of the clamping columns, and clamping grooves are clamped to the front end and the rear end of the right side of the top wall of the connecting frame on the left side. And hidden grooves are formed in the front end and the rear end of the middle of the right side of the connecting frame on the left side, locking plates are rotationally connected to the front end and the rear end of the middle of the right side of the connecting frame, bolts are in threaded connection with the top walls of the locking plates, and the right sides of the bottom walls of the two locking plates are clamped with the corresponding locking grooves correspondingly. According to the utility model, the two clamping plates are clamped with the clamping grooves to finish the primary installation of the two connecting frames, then the locking plates are turned over to be locked with the locking grooves, and meanwhile, the bolts are rotated to finish the connection and fixation of the connecting frames, so that the space required for installation is reduced.

Description

Technical Field

[0001] This utility model relates to the field of elevator equipment technology, and in particular to a new structure for elevator pit foundation. Background Technology

[0002] With the acceleration of urbanization in my country, high-rise buildings are increasing. As a vertical transportation tool in high-rise buildings, the importance of elevators is self-evident. The elevator pit, as the foundation for elevator installation, is directly related to the safety and service life of the elevator through its design and construction quality. The foundation design and construction of elevator pits are constantly developing and improving. By following design principles and adopting advanced construction technologies and management methods, the safety, reliability, and efficiency of elevator pit projects can be ensured. However, traditional elevator pit foundation structures have certain shortcomings in terms of safety, resulting in high costs, high construction difficulty, and long construction periods.

[0003] A search revealed Chinese Patent Publication No. CN215797780U, which discloses a basic fixing structure for an outdoor elevator. The structure includes an elevator base located within an underground pit. A fixing cavity is formed within the elevator base, and the lower end of the elevator shaft is installed within this cavity. An elevator body is housed within the elevator shaft, and a fixing component is installed within the fixing cavity to connect the elevator shaft. This invention, by using an elevator base and a fixed snap-fit ​​connection between the base and the shaft, can more securely fix the outdoor elevator shaft, preventing potential hazards. It is particularly suitable for retrofitting elevators in renovated old residential communities. However, in practical use, while this structure fixes the elevator within the pit, the large area required for the pit increases excavation time and the work cycle, hindering installation within limited space and increasing the workload of pit excavation. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a new structure for elevator pit foundation, which aims to improve the problem that the elevator pit occupies a large area, increases the working cycle, and cannot be well installed in a limited space, thereby increasing the amount of pit excavation work.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a novel structure for an elevator pit foundation, comprising two connecting frames. The left front and rear ends of the right connecting frame are fixedly connected to engaging columns, each engaging column having a locking groove on its top wall. The right front and rear ends of the top wall of the left connecting frame are also fitted with engaging grooves. The right middle front and rear ends of the left connecting frame have hidden grooves. The right middle front and rear ends of the connecting frame are rotatably connected to locking plates. Bolts are threaded onto the top walls of the locking plates. The right sides of the bottom walls of the two locking plates engage with the corresponding locking grooves. The bottom ends of the two bolts are threaded onto the top walls of the corresponding engaging columns. Shear walls are fixedly connected to the top walls of both connecting frames. Reinforcing bars are fixedly connected to the opposite sides of both connecting frames. Fixing mechanisms are provided on the opposite sides of both connecting frames.

[0006] The above technical solution allows the two locking plates to engage with the locking slots, completing the initial installation of the two connecting frames. Then, the locking plate is locked by flipping it over and locking it in the locking slot. At the same time, the bolts are rotated to make them threadedly connected to the locking plates, thus fixing the two connecting frames. This reduces the space required for installation and avoids increasing the amount of excavation work in the foundation pit.

[0007] As a further description of the above technical solution:

[0008] The fixing mechanism includes two fixing plates. The adjacent sides of the two fixing plates are respectively fixedly connected to the opposite sides of the two connecting frames. A screw column is rotatably connected inside the fixing plate. A turntable is fixedly connected to the top of the screw column. A connecting plate is threadedly connected to the outer wall of the screw column. Fixing columns are fixedly connected to the front and rear sides of the bottom wall of the connecting plate. Positioning plates are fixedly connected to the bottom ends of the opposite sides of the two connecting frames. The middle parts of the plurality of fixing columns are slidably connected to the interior of the positioning plate. A vertical cone is fixedly connected to the bottom wall of the plurality of fixing columns.

[0009] The above technical solution involves first positioning the connecting frame using a positioning plate, then rotating the turntable to drive the screw column to rotate. This causes the fixing column to descend as the connecting plate moves downward, allowing multiple fixing columns to penetrate deep into the soil, assisting in the installation of the connecting frame and thus improving the stability of the connecting frame during construction.

[0010] As a further description of the above technical solution:

[0011] The fixing mechanism also includes multiple rubber blocks, with each adjacent side of the multiple rubber blocks being fixedly connected to the outer wall of the corresponding turntable, and the multiple rubber blocks being arranged in an equidistant ring.

[0012] The above technical solution increases the static friction of the turntable by using multiple rubber blocks, thereby enhancing the turntable's anti-slip effect.

[0013] As a further description of the above technical solution:

[0014] The top walls of both locking plates are provided with protective shells, and the bottom right sides of both protective shells are rotatably connected to the front and rear sides of the inner bottom wall of the right-side connecting frame via hinges.

[0015] The above technical solution enables the protective shell to protect the top of the locking plate, thereby preventing it from being damaged.

[0016] As a further description of the above technical solution:

[0017] Both of the connecting frames have a fixed isolation plate on their bottom walls, and both isolation plates are designed symmetrically.

[0018] The above technical solution enables the insulation board to effectively isolate the soil from contact with the bottom of the connecting frame, thereby improving the service life of the connecting frame.

[0019] As a further description of the above technical solution:

[0020] Positioning cones are fixedly connected to the front and rear sides of the bottom walls of the two positioning plates, and the horizontal positions of the multiple positioning cones are all lower than the horizontal positions of the two connecting frames.

[0021] The above technical solution enables the positioning cone to improve the soil breaking effect during positioning and facilitates the entry of the positioning plate into the soil.

[0022] As a further description of the above technical solution:

[0023] Both of the two connecting frames have inclined surfaces at their front and rear ends on opposite sides, and both connecting frames have an L-shaped design.

[0024] The above technical solution improves the compressive strength of the two connecting frames.

[0025] As a further description of the above technical solution:

[0026] Both bolts are fixedly connected to a rubber pad at the middle, and the outer walls of both rubber pads are designed to be smooth.

[0027] The above technical solution reduces the rotational damage to the locking plate caused by the bolts.

[0028] This utility model has the following beneficial effects:

[0029] 1. In this utility model, the left connecting frame is placed first, and then the right connecting frame is aligned with the right side of the left connecting frame and installed downwards. Then, the two locking plates are engaged with the locking slots to complete the initial installation of the two connecting frames. Then, the locking plate is flipped to lock it with the locking slot, and the connecting frames are fixed by rotating the bolts. This reduces the space required for installation, improves installation efficiency, and avoids increasing the amount of foundation pit excavation.

[0030] 2. In this utility model, the rotation of the turntable drives the screw column, which in turn moves the connecting plate downward under the restriction of the rotation of the two fixed columns. This causes the two fixed columns to move the vertical cone downward, which can achieve the effect of fixing the structure with piles. Thus, together with the positioning plate, the connecting frame is fixed, which improves the stability of the structure during construction. Attached Figure Description

[0031] Figure 1 This is a front view of a novel elevator pit foundation structure proposed in this utility model;

[0032] Figure 2 This is a perspective view of a novel elevator pit foundation structure proposed in this utility model;

[0033] Figure 3 A cross-sectional view of the connecting frame of a novel elevator pit foundation structure proposed in this utility model;

[0034] Figure 4 This is a schematic diagram of the locking column, a novel structure for elevator pit foundations proposed in this utility model.

[0035] Figure 5 This is a schematic diagram of the fixing mechanism of a new structure for an elevator pit foundation proposed in this utility model.

[0036] Legend:

[0037] 1. Connecting frame; 2. Fixing mechanism; 201. Fixing plate; 202. Screw rod; 203. Turntable; 204. Rubber block; 205. Connecting plate; 206. Fixing column; 207. Vertical cone; 208. Positioning plate; 3. Engaging column; 4. Locking groove; 5. Engaging groove; 6. Hidden groove; 7. Locking plate; 8. Bolt; 9. Rubber pad; 10. Shear wall; 11. Bearing reinforcement; 12. Protective shell; 13. Isolation plate; 14. Positioning cone. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0039] Reference Figure 2 , Figure 3 and Figure 4 This utility model provides an embodiment of a new structure for an elevator pit foundation, comprising two connecting frames 1. The left front and rear ends of the right connecting frame 1 are fixedly connected to locking columns 3, and the top wall of the locking columns 3 is provided with locking grooves 4. The right front and rear ends of the top wall of the left connecting frame 1 are provided with locking grooves 5. The right middle front and rear ends of the left connecting frame 1 are provided with hidden grooves 6. The right middle front and rear ends of the connecting frame 1 are rotatably connected to locking plates 7. The top wall of the locking plates 7 is threaded with bolts 8. The bottom right sides of the two locking plates 7 are respectively engaged with the corresponding locking grooves 4. The bottom ends of the two bolts 8 are respectively threaded with the top walls of the corresponding locking columns 3. The top walls of the two connecting frames 1 are fixedly connected to shear walls 10. The opposite sides of the two connecting frames 1 are fixedly connected to supporting steel bars 11. The opposite sides of the two connecting frames 1 are provided with fixing mechanisms 2.

[0040] Specifically, firstly, the left connecting frame 1 is placed in the predetermined pit. Then, the right connecting frame 1 is aligned with the right side of the left connecting frame 1, and the right connecting frame 1 is moved downwards to facilitate the installation process. The initial installation of the structure is completed by engaging the two locking plates 3 with the locking grooves 5. The locking plate 7 is flipped downwards from the hidden groove 6 to ensure that it can engage and lock with the locking groove 4. Next, the bolts 8 on the top of the locking plate 7 are rotated. The threads of the bolts 8 are connected to the top wall of the locking plate 3, which can further strengthen the fixing effect of the connecting frame 1. The two connecting frames 1 are then fixedly installed, which reduces the space required for installation, reduces the amount of pit excavation, shortens the entire project cycle, saves costs, and ensures project quality.

[0041] Reference Figure 1 , Figure 2 and Figure 5The fixing mechanism 2 includes two fixing plates 201. The adjacent sides of the two fixing plates 201 are respectively fixedly connected to the opposite sides of the two connecting frames 1. The fixing plates 201 are rotatably connected to the inside of the fixing plates 201. The top of the screw column 202 is fixedly connected to the turntable 203. The outer wall of the screw column 202 is threadedly connected to the connecting plate 205. The bottom wall of the connecting plate 205 is fixedly connected to the front and rear sides of the bottom wall. The bottom ends of the opposite sides of the two connecting frames 1 are fixedly connected to the positioning plates 208. The middle part of the multiple fixing columns 206 is slidably connected to the inside of the positioning plates 208. The bottom walls of the multiple fixing columns 206 are fixedly connected to the vertical cones 207.

[0042] Specifically, by using the positioning plate 208, the connecting frame 1 is first positioned and initially fixed. The operator rotates the turntable 203, and the rotation of the screw column 202 drives the connecting plate 205 to rotate accordingly. Under the combined action of the fixing column 206 and the positioning plate 208, the connecting plate 205 is restricted from rotation, thus achieving a smooth descent. As the connecting plate 205 descends, the two fixing columns 206 drive the vertical cone 207 to move downward, thereby achieving effective fixing and piling of the structure, ensuring its safety during construction, and thus the connecting frame 1 is reliably fixed, thereby improving the stability of the entire structure during construction.

[0043] Reference Figure 2 , Figure 4 and Figure 5 The fixing mechanism 2 also includes multiple rubber blocks 204, with each adjacent side of the multiple rubber blocks 204 fixedly connected to the outer wall of the corresponding turntable 203. The multiple rubber blocks 204 are arranged in an equidistant ring. The top walls of the two locking plates 7 are provided with protective shells 12. The bottom right sides of the two protective shells 12 are rotatably connected to the front and rear sides of the inner bottom wall of the right connecting frame 1 via hinges. The bottom walls of the two connecting frames 1 are fixedly connected with isolation plates 13. The two isolation plates 13 are symmetrically designed.

[0044] Specifically, the multiple rubber blocks 204 improve the anti-slip effect of the turntable 203, the protective shell 12 protects the tops of the two locking plates 7 and prevents accidental contact, and the isolation plate 13 prevents soil from contacting the connecting frame 1, thereby improving the service life of the connecting frame 1.

[0045] Reference Figure 1 , Figure 4 and Figure 5Positioning cones 14 are fixedly connected to the front and rear sides of the bottom wall of the two positioning plates 208. The horizontal position of the multiple positioning cones 14 is lower than the horizontal position of the two connecting frames 1. The front and rear ends of the two connecting frames 1 are provided with inclined surfaces on the opposite side. The two connecting frames 1 are designed in an L-shape. Rubber pads 9 are fixedly connected to the middle of the two bolts 8. The outer walls of the two rubber pads 9 are designed to be smooth.

[0046] Specifically, the positioning cone 14 allows for pre-breaking of the soil, facilitating the entry of the positioning plate 208. The inclined surfaces at the front and rear ends of the two connecting frames 1 on opposite sides enhance the compressive strength of the connecting frames 1. The rubber pad 9 reduces the rotational damage of the bolts 8 to the locking plate 7.

[0047] Working principle: Upon initial use, the left connecting frame 1 is placed into the pit, aligning the right connecting frame 1 with the right side of the left connecting frame 1. This causes the right connecting frame 1 to move downwards for installation. The two engaging plates 3 engage with the engaging slots 5, completing the initial installation. Then, the locking plate 7 is flipped downwards from the hidden slot 6, engaging with the locking slot 4. Simultaneously, the bolt 8 on the top of the locking plate 7 is rotated, threading the bolt 8 onto the top wall of the engaging plate 3. This securely installs the two connecting frames 1, reducing the space required for installation. This avoids increasing the amount of foundation pit excavation work, shortens the project cycle, and reduces the amount of foundation pit excavation work. Furthermore, the positioning plate 208 is used to first position and fix the connecting frame 1, and then the turntable 203 is rotated, causing the screw column 202 to drive the connecting plate 205 to rotate. As a result, the connecting plate 205 descends under the rotation restriction of the fixed column 206 and the positioning plate 208, thereby causing the two fixed columns 206 to drive the vertical cone 207 to move downward, which can achieve the effect of fixing the structure with piles, thus completing the fixation of the connecting frame 1 and improving the stability of the structure during construction.

[0048] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A novel structure for elevator pit foundation, comprising two connecting frames (1), characterized in that: The left front and rear ends of the connecting frame (1) on the right side are fixedly connected with locking columns (3). The top wall of the locking column (3) is provided with a locking groove (4). The right front and rear ends of the top wall of the connecting frame (1) on the left side are both provided with locking grooves (5). The front and rear ends of the right middle part of the connecting frame (1) on the left side are both provided with hidden grooves (6). The front and rear ends of the right middle part of the connecting frame (1) are rotatably connected with locking plates (7). The top wall of the locking plate (7) is threaded with bolts (8). The bottom right side of the two locking plates (7) is respectively engaged with the corresponding locking grooves (4). The bottom ends of the two bolts (8) are respectively threaded with the top wall of the corresponding locking column (3). The top walls of the two connecting frames (1) are fixedly connected with shear walls (10). The opposite sides of the two connecting frames (1) are fixedly connected with reinforcing bars (11). The opposite sides of the two connecting frames (1) are provided with fixing mechanisms (2).

2. The novel structure of an elevator pit foundation according to claim 1, characterized in that: The fixing mechanism (2) includes two fixing plates (201). The adjacent sides of the two fixing plates (201) are respectively fixedly connected to the opposite sides of the two connecting frames (1). A screw column (202) is rotatably connected inside the fixing plate (201). A turntable (203) is fixedly connected to the top of the screw column (202). A connecting plate (205) is threadedly connected to the outer wall of the screw column (202). Fixing columns (206) are fixedly connected to the front and rear sides of the bottom wall of the connecting plate (205). A positioning plate (208) is fixedly connected to the bottom end of the opposite side of the two connecting frames (1). The middle part of the multiple fixing columns (206) is slidably connected to the inside of the positioning plate (208). A vertical cone (207) is fixedly connected to the bottom wall of the multiple fixing columns (206).

3. A novel structure for an elevator pit foundation according to claim 2, characterized in that: The fixing mechanism (2) also includes a plurality of rubber blocks (204), with each adjacent side of the plurality of rubber blocks (204) being fixedly connected to the outer wall of the corresponding turntable (203), and the plurality of rubber blocks (204) being arranged in an equidistant ring.

4. A novel structure for an elevator pit foundation according to claim 1, characterized in that: The top walls of both locking plates (7) are provided with protective shells (12), and the bottom right sides of both protective shells (12) are rotatably connected to the front and rear sides of the inner bottom wall of the right connecting frame (1) via hinges.

5. A novel structure for an elevator pit foundation according to claim 1, characterized in that: The bottom walls of both connecting frames (1) are fixedly connected with isolation plates (13), and both isolation plates (13) are symmetrically designed.

6. A novel structure for an elevator pit foundation according to claim 2, characterized in that: Positioning cones (14) are fixedly connected to the front and rear sides of the bottom walls of the two positioning plates (208), and the horizontal positions of the multiple positioning cones (14) are all lower than the horizontal positions of the two connecting frames (1).

7. A novel structure for an elevator pit foundation according to claim 1, characterized in that: Both of the two connecting frames (1) have inclined surfaces at their front and rear ends on opposite sides, and both of the connecting frames (1) have an L-shaped design.

8. A novel structure for an elevator pit foundation according to claim 1, characterized in that: Both bolts (8) are fixedly connected to the middle of a rubber pad (9), and the outer walls of both rubber pads (9) are designed to be smooth.

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