Conveyor belt unearthing mechanical device for deep foundation pit

By designing a mechanical device for unearthing of deep foundation pit conveyors, the soil is transported outside the foundation pit by using a belt conveyor, the problem of increasing the depth of the foundation pit has been solved, and automatic transportation is achieved, improving transportation efficiency and safety is improved.

CN222699565UActive Publication Date: 2025-04-01THE FIRST COMPARY OF CHINA EIGHTH ENG BUREAU LTD
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Patent Information

Application Number
CN202421355258.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-04-01
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

As the depth of the foundation pit increases, the ramps for loading trucks are getting longer and longer, and the strength and stability of the ramps are seriously affected. Especially in narrow environments, the loading truck cannot directly descend to the bottom of the foundation pit, resulting in difficulty in passing.

Method used

A mechanical device for unearthing of deep foundation pit conveyor belts is designed, including vertical support columns, pallet bridges and belt conveyors. The excavated soil is transported outside the foundation pit through the belt conveyor, avoiding the use of long ramps.

Benefits of technology

Automatic soil transportation is realized, transportation efficiency and safety is improved, loading vehicles are avoided on long ramps, and the stability and safety of foundation pit construction are enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a deep foundation pit conveyor belt unearthed mechanical device, which relates to the technical field of deep foundation pits, and comprises a vertical support column, a pallet bridge and a belt conveyor, the bottom of the vertical support column is inserted into a foundation pit, a transverse support column and a support pile are arranged on the outer side of the vertical support column, the pallet bridge is arranged on the top of the vertical support column, and the belt conveyor is arranged on the pallet bridge. The supporting piles are connected with the inner wall of the foundation pit in an inserted mode, and a feeding hopper is arranged at the bottoms of the transverse supporting columns. According to the deep foundation pit conveying belt unearthing mechanical device, when a belt conveyor works, a driving motor is started, the output end of the driving motor drives a rotating roller to rotate through a coupler, the rotating roller drives a conveying belt to move when rotating, and therefore the purpose of conveying soil out of a foundation pit is achieved; by means of the deep foundation pit conveying belt unearthed mechanical device, the problems that along with increase of the depth of a foundation pit, a ramp for a loading vehicle to pass is longer and longer, and the strength and stability of the ramp are seriously affected are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of deep foundation pits, in particular to a conveyor belt excavation mechanical device for a deep foundation pit. Background Art

[0002] When constructing a basement, it is necessary to prepare the foundation pit support and earth excavation work in advance. As the depth and scale of the basement increase, the foundation pit support structure and earth excavation become more and more difficult. A deep foundation pit refers to an excavation depth exceeding 5 meters, or a project with a depth of less than 5 meters but particularly complex geological conditions, surrounding environment and underground pipelines. Appropriate excavation methods, support systems, earth transportation and concrete pouring and other construction methods are required for deep foundation pit construction.

[0003] During the excavation of the foundation pit, it is usually necessary to first build a ramp leading from the inside of the foundation pit to the outside of the foundation pit, and then use a loader to transport the excavated soil to the outside of the foundation pit. As the depth of the foundation pit increases, the ramp for the loader to pass will become longer and longer, and the strength and stability of the ramp will be seriously affected. At the same time, if a narrow environment is encountered, the loader will not be able to go directly to the bottom of the foundation pit, which will seriously affect the passage of the loader. Utility Model Content

[0004] The utility model aims to provide a deep foundation pit conveyor excavation mechanical device to solve the problem raised in the above background technology that as the depth of the foundation pit increases, the ramp for the loading vehicle to pass will become longer and longer, and the strength and stability of the ramp will be seriously affected.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a deep foundation pit conveyor belt excavation mechanical device, including vertical support columns, a trestle bridge and a belt conveyor,

[0006] The bottom of the vertical support column is plugged into the foundation pit, a transverse support column and a supporting pile are arranged on the outside of the vertical support column, a trestle bridge is arranged on the top of the vertical support column, the supporting pile is plugged into the inner wall of the foundation pit, a feed hopper is arranged at the bottom of the transverse support column, the bottom of the feed hopper is abutted against the bottom of the foundation pit, one end of the feed hopper is connected to a material guide port, and a belt conveyor is arranged on the side of the material guide port away from the feed hopper.

[0007] Preferably, the bottom of the outer shell outside the belt conveyor is respectively connected to a first steel pole and a second steel pole, and the bottom of the first steel pole is connected to the foundation pit through a concrete foundation.

[0008] Preferably, the bottom of the second steel pole is installed with the transverse support column, and a steel bracket is arranged on the upper side of the second steel pole, and the steel bracket is connected with the transverse support column through an anchor plate.

[0009] Preferably, a rotating roller, a supporting roller, a mounting frame and a scraper are provided inside the outer shell, a driving motor is installed outside the outer shell, and one end of the rotating roller is rotatably connected to the outer shell via a bearing seat.

[0010] Preferably, the output end of one side of the driving motor is connected to the rotating roller on the adjacent side through a coupling, a transmission belt is sleeved on the outer side of the rotating roller, and both sides of the mounting frame are welded to the outer shell.

[0011] Preferably, a support roller is rotatably installed between the mounting frame and the inner wall of the outer shell through a bearing seat, the two support rollers are in a "V" shape, a mudguard is arranged on the top of the outer shell, a scraper is arranged on the bottom of the transmission belt, and the bottom of the scraper is connected to the outer shell.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: when the deep foundation pit conveyor belt excavation mechanical device and the belt conveyor are working, the driving motor is started, and the output end of the driving motor drives the rotating roller to rotate through the coupling, and when the rotating roller rotates, it drives the transmission belt to move, thereby achieving the purpose of transporting soil to the outside of the foundation pit, and solving the problem that as the depth of the foundation pit increases, the ramp for the loading vehicle to pass will become longer and longer, and the strength and stability of the ramp will be seriously affected.

[0013] 1. The deep foundation pit conveyor belt excavation mechanical device is used to facilitate the transportation of foundation pit soil. During the foundation pit construction, the soil excavated from the foundation pit is put into the feed hopper. The feed hopper screens the soil and then delivers the soil to the belt conveyor through the guide port for transportation. The belt conveyor transports the soil to the truck parked on the upper side of the trestle bridge for loading. In order to prevent the foundation pit from collapsing during the excavation process, the foundation pit is supported and protected by support piles, and a support frame composed of vertical support columns and horizontal support columns is used for support. The outer side of the bottom belt conveyor is provided with basic support by the first steel pole and the concrete foundation. The upper belt conveyor is installed and supported by the steel bracket, the second steel pole and the anchor plate for connection and fixation. The deep foundation pit conveyor belt excavation mechanical device can adjust the height of soil transportation according to the depth of the foundation pit, realizes automatic transportation of soil, and is safe and stable to operate.

[0014] 2. The deep foundation pit conveyor belt excavation mechanical device, in order to improve the soil transportation efficiency, starts the driving motor when the belt conveyor is working, and the output end of the driving motor drives the rotating roller to rotate through the coupling, and the rotating roller drives the transmission belt to move when it rotates, so as to achieve the purpose of transporting the soil to the outside of the foundation pit. At the same time, the inner side of the outer shell is equipped with support rollers with two sides spliced ​​in a "V" shape through the mounting frame, so that when the transmission belt transports the soil, it forms a "V" shape structure under the action of the gravity of the soil to prevent the soil from falling. The deep foundation pit conveyor belt excavation mechanical device avoids the use of loading vehicles to enter the foundation pit to transport soil, improves transportation efficiency and safety, and prevents soil from falling during transportation by adding mudguards, which is safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the side structure of the deep foundation pit conveyor belt of the utility model;

[0016] Figure 2 This is a schematic diagram of the top view of the deep pit conveyor belt structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the side view structure of the anchor plate of the utility model;

[0018] Figure 4 This is a schematic diagram of the top view of the anchor plate structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the first main cross-sectional structure of the conveyor belt of the utility model;

[0020] Figure 6 This is a second main structural schematic diagram of the conveyor belt of the utility model;

[0021] Figure 7 It is a schematic diagram of the side structure of the scraper of the utility model.

[0022] In the figure: 1, vertical support column; 101, horizontal support column; 2, trestle bridge; 3, support pile; 4, feed hopper; 401, material guide port; 5, belt conveyor; 501, outer shell; 502, steel support; 503, first steel pole; 504, second steel pole; 503a, concrete foundation; 502b, anchor plate; 6, transmission belt; 601, rotating roller; 602, driving motor; 603, support roller; 603c, mounting frame; 7, mudguard; 701, scraper. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The utility model provides a technical solution: a deep foundation pit conveyor belt excavation mechanical device, comprising a vertical support column 1, a trestle bridge 2 and a belt conveyor 5,

[0025] The bottom of the vertical support column 1 is plugged into the foundation pit, a transverse support column 101 and a support pile 3 are arranged outside the vertical support column 1, a trestle bridge 2 is arranged on the top of the vertical support column 1, the support pile 3 is plugged into the inner wall of the foundation pit, a feed hopper 4 is arranged at the bottom of the transverse support column 101, the bottom of the feed hopper 4 is abutted against the bottom of the foundation pit, one end of the feed hopper 4 is connected to a material guide port 401, and a belt conveyor 5 is arranged on the side of the material guide port 401 away from the feed hopper 4;

[0026] The bottom of the outer shell 501 on the outside of the belt conveyor 5 is respectively connected to the first steel pole 503 and the second steel pole 504. The bottom of the first steel pole 503 is connected to the foundation pit through a concrete foundation 503a, and the bottom of the second steel pole 504 is installed with the transverse support column 101. A steel bracket 502 is arranged on the upper side of the second steel pole 504, and the steel bracket 502 is connected to the transverse support column 101 through an anchor plate 502b.

[0027] In specific implementation, in order to facilitate the transportation of foundation pit soil, during the construction of the foundation pit, the soil excavated from the inside of the foundation pit is put into the feed hopper 4. After the feed hopper 4 screens the soil, the soil is sent to the belt conveyor 5 through the guide port 401 for transportation. The belt conveyor 5 transports the soil to the truck parked on the upper side of the trestle bridge 2 for loading. In order to prevent the foundation pit from collapsing during the excavation process, the inside of the foundation pit is supported and protected by support piles 3, and supported by a support frame composed of vertical support columns 1 and horizontal support columns 101. At the same time, in order to improve the stability of the belt conveyor 5 during movement, the outside of the bottom belt conveyor 5 is provided with basic support by the first steel upright 503 and the concrete foundation 503a, and the upper belt conveyor 5 is installed and supported by the steel bracket 502, the second steel upright 504 and the anchor plate 502b for connection and fixation;

[0028] After reinforcing the foundation pit by installing support piles 3 and support columns for support and reinforcement inside the foundation pit, the belt conveyor 5 is installed using brackets and steel poles. Finally, the soil is transported by the belt conveyor 5. The deep foundation pit conveyor belt excavation mechanical device can adjust the soil transportation height according to the depth of the foundation pit, thereby realizing automatic transportation of soil and safe and stable operation.

[0029] See also Figure 4 , Figure 5 , Figure 6 and Figure 7 It can be seen that a rotating roller 601, a supporting roller 603, a mounting frame 603c and a scraper 701 are arranged on the inner side of the outer shell 501, a driving motor 602 is installed on the outer side of the outer shell 501, one end of the rotating roller 601 is rotatably connected to the outer shell 501 through a bearing seat, an output end on one side of the driving motor 602 is connected to the rotating roller 601 on the adjacent side through a coupling, a transmission belt 6 is sleeved on the outer side of the rotating roller 601, both sides of the mounting frame 603c are welded to the outer shell 501, a supporting roller 603 is rotatably installed between the mounting frame 603c and the inner wall of the outer shell 501 through a bearing seat, the two supporting rollers 603 are in a "V" shape, a mudguard 7 is arranged on the top of the outer shell 501, a scraper 701 is arranged on the bottom of the transmission belt 6, and the bottom of the scraper 701 is connected to the outer shell 501.

[0030] In the specific implementation, in order to improve the conveying efficiency of soil, when the belt conveyor 5 is working, the driving motor 602 is started, and the output end of the driving motor 602 drives the rotating roller 601 to rotate through the coupling, and the rotating roller 601 drives the transmission belt 6 to move when rotating, so as to achieve the purpose of conveying soil to the outside of the foundation pit. At the same time, the inner side of the outer shell 501 is equipped with a supporting roller 603 with two sides spliced ​​in a "V" shape through the mounting frame 603c, so that the transmission belt 6 is in a "V" shape when transporting soil under the action of the gravity of the soil, preventing the soil from falling, and improving the soil conveying efficiency;

[0031] At the same time, a mudguard 7 is arranged on the upper side of the outer shell 501 to further prevent the soil from falling and to facilitate better receiving the soil transmitted by the upper-level belt conveyor 5. The scraper 701 can temporarily clean the surface of the transmission belt 6 to avoid excessive adhesion of soil on the surface of the transmission belt 6 and affect the transportation. The deep foundation pit conveyor belt excavation mechanical device avoids the need for a loader to enter the foundation pit to transport soil, thereby improving transportation efficiency and safety. By adding the mudguard 7, soil can be prevented from falling during transportation, which is safer and more reliable.

[0032] To sum up, when using the deep foundation pit conveyor belt excavation mechanical device, during the foundation pit construction, the soil excavated from the inside of the foundation pit is put into the feed hopper 4, and the feed hopper 4 screens the soil and then delivers the soil to the belt conveyor 5 through the guide port 401 for transportation. At this time, the drive motor 602 is started, and the output end of the drive motor 602 drives the rotating roller 601 to rotate through the coupling. When the rotating roller 601 rotates, it drives the transmission belt 6 to move, and the soil is transported to the truck parked on the upper side of the trestle bridge 2 for loading. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A conveyor belt excavation mechanical device for a deep foundation pit, comprising a vertical support column (1), a trestle bridge (2) and a belt conveyor (5), characterized in that: The bottom of the vertical support column (1) is plugged into the foundation pit, a transverse support column (101) and a support pile (3) are arranged on the outside of the vertical support column (1), a trestle bridge (2) is arranged on the top of the vertical support column (1), the support pile (3) is plugged into the inner wall of the foundation pit, a feed hopper (4) is arranged at the bottom of the transverse support column (101), the bottom of the feed hopper (4) is in contact with the bottom of the foundation pit, one end of the feed hopper (4) is connected to a material guide port (401), and a belt conveyor (5) is arranged on the side of the material guide port (401) away from the feed hopper (4).

2. A deep foundation pit conveyor belt excavation mechanical device according to claim 1, characterized in that: The bottom of the outer shell (501) outside the belt conveyor (5) is respectively connected to a first steel pole (503) and a second steel pole (504), and the bottom of the first steel pole (503) is connected to the foundation pit through a concrete foundation (503a).

3. A deep foundation pit conveyor belt excavation mechanical device according to claim 2, characterized in that: The bottom of the second steel upright (504) is installed with the transverse support column (101), and a steel bracket (502) is arranged on the upper side of the second steel upright (504), and the steel bracket (502) is connected with the transverse support column (101) through an anchor plate (502b).

4. A deep foundation pit conveyor belt excavation mechanical device according to claim 2, characterized in that: A rotating roller (601), a supporting roller (603), a mounting frame (603c) and a scraper (701) are arranged on the inner side of the outer shell (501), a driving motor (602) is installed on the outer side of the outer shell (501), and one end of the rotating roller (601) is rotatably connected to the outer shell (501) via a bearing seat.

5. A deep foundation pit conveyor belt excavation mechanical device according to claim 4, characterized in that: The output end of one side of the driving motor (602) is connected to the rotating roller (601) on the adjacent side via a coupling, a transmission belt (6) is sleeved on the outer side of the rotating roller (601), and both sides of the mounting frame (603c) are welded to the outer shell (501).

6. A deep foundation pit conveyor belt excavation mechanical device according to claim 5, characterized in that: A support roller (603) is rotatably mounted between the mounting frame (603c) and the inner wall of the outer shell (501) via a bearing seat, and the two support rollers (603) are in a "V"-shaped structure. A fender (7) is arranged on the top of the outer shell (501), and a scraper (701) is arranged on the bottom of the transmission belt (6), and the bottom of the scraper (701) is connected to the outer shell (501).