CN220704532U - Device for deep earthwork excavation of foundation pit - Google Patents

Abstract

The utility model relates to the technical field of foundation pit devices, specifically a device for deep earth excavation in foundation pits, which includes: a support frame; by connecting a hydraulic device to one end of the support frame, the position of the support frame can be adjusted, and the electric turntable When rotating, the hydraulic device and the support frame rotate, and the nearby foundation pit can be excavated at the same time, making the whole body more flexible. By installing nut seats symmetrically on both ends of the mounting frame, when the lifting motor drives the screw rod to rotate, the mounting frame It can rise and fall stably with the nut seat. By connecting the guide barrel at one end of the mounting frame to the outside of the guide rod, the mounting frame is less likely to tilt and shake. During excavation, the fixing effect of the positioning plate can make the whole body more stable. A depth measuring instrument is installed on one side of the mouth, and the depth measuring instrument is fixed in the mounting base through a shaft pin, which facilitates the disassembly and assembly of the depth measuring instrument, and can measure the real-time excavation depth with high accuracy.

Description

A device for deep earth excavation of foundation pits

Technical Field

The utility model relates to the technical field of devices for foundation pits, specifically a device for deep earth excavation of foundation pits.

Background technique

The foundation pit is an earth pit excavated at the foundation design location according to the base elevation and foundation plane dimensions. Before excavation, the excavation plan should be determined based on geological and hydrological data and the conditions of nearby buildings on site, and waterproofing and drainage work should be done.

In the existing technology, there are a large number of foundation pits at the construction site, and each foundation pit requires deep excavation operations. The excavation device needs to be fixed near the excavation to ensure the stable progress of the excavation operations.

However, the existing excavation equipment is not flexible enough. If the foundation pit is replaced, a lot of transportation work is required, which consumes a lot of manpower and material resources. It is impossible to carry out deep excavation on nearby foundation pits at the same time. In addition, the stability is poor during each deep excavation. The operators roughly judge the depth by the descending distance of the excavation device, which has low accuracy.

Utility model content

The purpose of this utility model is to provide a device for deep earth excavation of foundation pits to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solution: a device for deep earth excavation of foundation pits, including: a support frame, a top plate is fixedly installed on the upper end of the support frame, and an installation frame is provided below the top plate. An auger is installed at the bottom of one end of the mounting bracket, and a guide barrel is symmetrically and fixedly installed at the bottom of the other end of the mounting bracket;

Nut seats are symmetrically and fixedly connected to both sides of the mounting frame, and screw rods are connected to the interiors of the two nut seats. The upper ends of the two screw rods penetrate the top plate and are connected to lift motors;

The bottom wall of one end of the support frame close to the spiral drill is fixedly connected with a positioning plate and has a mining opening, the other end of the support frame is fixedly connected with a hydraulic device, an electric turntable is fixedly installed at the bottom of one end of the hydraulic device, and a control console is arranged at the upper end of the hydraulic device.

Preferably, an excavation motor is installed on the upper end of the mounting frame, and the upper end of the auger penetrates the mounting frame and is fixedly connected to the rotating shaft of the excavation motor.

Preferably, guide rods are slidably connected inside the two guide cylinders, and both ends of the two guide rods are fixedly mounted on the support frame.

Preferably, the two nut seats are threadedly connected to the screw rods, and the lower ends of the two screw rods are rotatably connected to fixed plates, and one end side wall of the fixed plates is fixedly connected to the support frame.

Preferably, a lower buffer spring is connected to the bottom end of the guide rod. The bottom end of the lower buffer spring is fixedly connected to the support frame. The upper end of the lower buffer spring is fixedly connected to a pressure ring. The pressure ring is slidably installed on the surface of the guide rod. .

Preferably, upper buffer springs are fixedly mounted on the mounting frame close to the upper ends of the two guide rods, and the two upper buffer springs are sleeved on the outside of the guide rods.

Preferably, a mounting seat is fixedly mounted on the upper end of the bottom wall of the support frame close to the mining opening, a depth detector is connected to the upper end of the mounting seat, and an axle pin is installed on the side wall of the mounting seat.

Preferably, a fixing groove is provided on the bottom side wall of the depth detector, one end of the shaft pin passes through the mounting base and is slidably inserted into the fixing groove, and the depth detector is electrically connected to the console.

Preferably, an extension spring is provided on the outside of the shaft pin, one end of the extension spring is fixedly connected to the side wall of the mounting base, and the other end of the extension spring is fixedly connected to an end of the shaft pin away from the mounting base.

Compared with the existing technology, the beneficial effects of this utility model are:

By connecting a hydraulic device to one end of the support frame, the utility model can adjust the position of the support frame. When the electric turntable rotates, the hydraulic device and the support frame rotate, and the nearby foundation pit can be deeply excavated at the same time, making the whole body more flexible. , by installing nut seats symmetrically at both ends of the mounting frame, when the lifting motor drives the screw rod to rotate, the mounting frame can rise and fall stably with the nut seats, and by connecting the guide barrel at one end of the mounting frame to the outside of the guide rod, the mounting frame is not easily Tilt and shake, and the fixation of the positioning plate during excavation can make the whole body more stable. By installing the depth measuring instrument on one side of the mining opening, the depth measuring instrument is fixed in the mounting base through the shaft pin, which facilitates the depth measuring instrument. It can be disassembled and assembled, and the real-time excavation depth can be measured with high accuracy.

Description of drawings

Figure 1 is a three-dimensional schematic diagram of the overall structure of the utility model;

Figure 2 is a schematic side view of the overall structure of the utility model;

Figure 3 is an explosion schematic diagram of a partial structure of the utility model;

Figure 4 is a schematic three-dimensional view of the partial structure of the utility model.

In the picture: 1. Support frame; 2. Roof plate; 3. Mining opening; 4. Installation frame; 5. Nut seat; 6. Screw rod; 7. Lifting motor; 8. Guide cylinder; 9. Guide rod; 10. Opening Digging motor; 11. Auger; 12. Mounting seat; 13. Depth detector; 14. Fixed slot; 15. Axis pin; 16. Extension spring; 17. Positioning plate; 18. Hydraulic device; 19. Electric turntable; 20. Console; 21. Upper buffer spring; 22. Lower buffer spring; 23. Pressure ring; 24. Fixed plate.

Detailed ways

In order to clearly and completely describe the purpose and technical solution of the present utility model, and make the advantages more clear, the embodiments of the present utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the present invention, rather than all embodiments. They are only used to explain the embodiments of the present invention and are not used to limit the embodiments of the present invention. Those of ordinary skill in the art All other embodiments obtained without creative efforts belong to the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", The orientations or positional relationships indicated by "bottom", "side", "vertical", "horizontal", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than instructions. Or it is implied that the device or component mentioned must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be construed as a limitation of the present invention. In addition, the terms "a", "first", "second", "third", "fourth", "fifth" and "sixth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a removable connection. Detachable connection, or integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

For purposes of simplicity and explanation, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. However, it will be apparent to those of ordinary skill in the art that these embodiments may be practiced without being limited to these specific details. In some instances, well-known methods and structures are not described in detail to avoid unnecessarily obscuring the embodiments. Additionally, all embodiments can be used in combination with each other.

Please refer to Figures 1 to 4. The present utility model provides a technical solution: a device for deep earth excavation in foundation pits, including: a support frame 1. A roof plate 2 is fixedly installed on the upper end of the support frame 1. The top plate 2 is An installation frame 4 is provided below. An auger 11 is installed at the bottom of one end of the installation frame 4. A guide tube 8 is symmetrically and fixedly installed at the bottom of the other end of the installation frame 4; an excavation motor 10 and an auger 11 are installed at the upper end of the installation frame 4. The upper end passes through the mounting frame 4 and is fixedly connected with the rotating shaft of the excavation motor 10. Guide rods 9 are slidingly connected inside the two guide cylinders 8 , and both ends of the two guide rods 9 are fixedly mounted on the support frame 1 . The bottom end of the guide rod 9 is sleeved with a lower buffer spring 22. The bottom end of the lower buffer spring 22 is fixedly connected to the support frame 1. The upper end of the lower buffer spring 22 is fixedly connected to a pressure ring 23. The pressure ring 23 is slidably installed on the guide rod. 9 surface. The upper ends of the mounting bracket 4 close to the two guide rods 9 are fixedly installed with upper buffer springs 21 , and the two upper buffer springs 21 are sleeved on the outside of the guide rods 9 .

There are nut seats 5 symmetrically and fixedly connected to both sides of the mounting frame 4. The two nut seats 5 are connected with screw rods 6 inside. The upper ends of the two screw rods 6 both penetrate the top plate 2 and are connected to the lifting motor 7; the two nuts The seats 5 are threadedly connected to the screw rods 6, and the lower ends of the two screw rods 6 are rotatably connected to a fixing plate 24. One end side wall of the fixing plate 24 is fixedly connected to the support frame 1.

The bottom wall of one end of the support frame 1 close to the auger 11 is fixedly connected with a positioning plate 17 and has a mining opening 3. The other end of the support frame 1 is fixedly connected with a hydraulic device 18. An electric turntable 19 is fixedly installed at the bottom of one end of the hydraulic device 18. A console 20 is provided at the upper end of the hydraulic device 18 . A mounting base 12 is fixedly installed on the upper end of the bottom wall of the support frame 1 close to the mining opening 3. A depth detector 13 is connected to the upper end of the mounting base 12, and a shaft pin 15 is installed on the side wall of the mounting base 12. A fixing slot 14 is formed on the bottom side wall of the depth detector 13 . One end of the shaft pin 15 penetrates the mounting base 12 and is slidably inserted into the fixing slot 14 . The depth detector 13 is electrically connected to the console 20 . An extension spring 16 is provided on the outside of the shaft pin 15 . One end of the extension spring 16 is fixedly connected to the side wall of the mounting base 12 , and the other end of the extension spring 16 is fixedly connected to an end of the shaft pin 15 away from the mounting base 12 .

When the device is working, the position of the support frame 1 can be adjusted by connecting the hydraulic device 18 to one end of the support frame 1. When the electric turntable 19 rotates, the hydraulic device 18 and the support frame 1 rotate, so that the nearby foundation pit can be inspected at the same time. Deep excavation makes the whole body more flexible. By installing nut seats 5 symmetrically on both ends of the mounting frame 4, when the lifting motor 7 drives the screw rod 6 to rotate, the mounting frame 4 can rise and fall stably with the nut seat 5. By moving the guide cylinder 8 The sliding sleeve is connected to the outside of the guide rod 9, so that the mounting frame 4 is not easy to tilt and shake, and the fixing effect of the positioning plate 17 during excavation can make the whole body more stable. When the mounting frame 4 is raised and lowered, the upper buffer spring 22 and the lower buffer spring 21 can avoid the collision between the installation frame 4 and the support frame 1, so as not to affect the overall stability. By installing the depth measuring instrument 13 on one side of the mining opening 3, the depth measuring instrument 13 can be fixed and disassembled by pulling the shaft pin 15. , and it is convenient to measure the real-time excavation depth and display it to the operator through the console 20 with high accuracy.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. A device for deep earthwork excavation of a foundation pit, comprising: the support frame (1), the upper end fixed mounting of support frame (1) has roof (2), its characterized in that: a mounting frame (4) is arranged below the top plate (2), an auger (11) is arranged at the bottom of one end of the mounting frame (4), and guide cylinders (8) are symmetrically and fixedly arranged at the bottom of the other end of the mounting frame (4);

the two sides of the mounting frame (4) are symmetrical and are fixedly connected with nut seats (5), screw rods (6) are connected to the inner parts of the two nut seats (5), and the upper ends of the two screw rods (6) penetrate through the top plate (2) and are connected with a lifting motor (7);

the utility model discloses a mining device, including support frame (1), screw auger (11), support frame (1), locating plate (17) are connected with and set up mining mouth (3) near the one end diapire of screw auger (11), the other end fixedly connected with hydraulic means (18) of support frame (1), the one end bottom fixed mounting of hydraulic means (18) has electric turntable (19), the upper end of hydraulic means (18) is provided with control cabinet (20).

2. A device for deep earthwork excavation of a foundation pit according to claim 1, characterized in that: the upper end of the mounting frame (4) is provided with an excavating motor (10), and the upper end of the auger (11) penetrates through the mounting frame (4) and is fixedly connected with a rotating shaft of the excavating motor (10).

3. A device for deep earthwork excavation of a foundation pit according to claim 2, characterized in that: the two guide cylinders (8) are both connected with guide rods (9) in a sliding manner, and two ends of the two guide rods (9) are both fixedly arranged on the support frame (1).

4. A device for deep earthwork excavation of a foundation pit according to claim 3, characterized in that: the two nut seats (5) are sleeved on the screw rods (6) in a threaded manner, the lower ends of the two screw rods (6) are connected with fixing plates (24) in a rotating manner, and one end side wall of each fixing plate (24) is fixedly connected with the supporting frame (1).

5. The device for deep soil excavation of a foundation pit of claim 4, wherein: the bottom outside of guide arm (9) has cup jointed down buffer spring (22), and the bottom and the support frame (1) fixed connection of lower buffer spring (22), the upper end fixedly connected with clamping ring (23) of lower buffer spring (22), clamping ring (23) slidable mounting is at the surface of guide arm (9).

6. A device for deep earthwork excavation of a pit in accordance with claim 5, wherein: the upper ends of the mounting frame (4) close to the two guide rods (9) are fixedly provided with upper buffer springs (21), and the two upper buffer springs (21) are sleeved outside the guide rods (9).

7. The device for deep earthwork excavation of a foundation pit of claim 6, wherein: the support frame (1) is close to the diapire upper end fixed mounting seat (12) of exploitation mouth (3), and the upper end of mount seat (12) is connected with degree of depth detector (13), and pivot (15) are installed to the lateral wall of mount seat (12).

8. A device for deep earthwork excavation of a pit in accordance with claim 7, wherein: the bottom side wall of the depth detector (13) is provided with a fixed groove (14), one end of the shaft pin (15) penetrates through the mounting seat (12) and is inserted into the fixed groove (14) in a sliding mode, and the depth detector (13) is electrically connected with the control console (20).

9. A device for deep earthwork excavation of a pit in accordance with claim 8, wherein: the outside of pivot (15) is equipped with stretches and draws spring (16), stretches one end of drawing spring (16) and the lateral wall fixed connection of mount pad (12), stretches the one end fixed connection that draws spring (16) and pivot (15) keep away from mount pad (12).