Civil engineering foundation pit excavating device

Abstract

The utility model discloses a civil engineering foundation pit excavating device which comprises a movable seat. And the rotary supporting mechanism is installed on the movable base and comprises a servo motor fixedly connected to the top of the movable base, and a rotary support is fixedly connected to an output shaft of the servo motor. According to the foundation pit excavation device, the movable base is moved to a to-be-constructed area, then the excavation assembly is driven by the first electric cylinder to move downwards, meanwhile, the excavation motor is started, the excavation head can be driven to rotate, then excavation of a foundation pit can be achieved, and after excavation of the foundation pit is completed, the servo motor is started; a servo motor drives a discharging mechanism to move to a pit digging position through a rotating support, then a conveying assembly is driven by a second electric cylinder to move downwards, a barrel is made to go deep into a foundation pit, then a driving motor is started, and therefore excavated soil can be spirally conveyed through spiral conveying blades and discharged through a discharging pipe; and therefore, the convenience of the foundation pit is improved to a great extent.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit excavation, in particular to a civil engineering foundation pit excavation device. Background Art

[0002] With the rapid development of my country's economy and science and technology in recent years, the construction of my country's infrastructure has become more and more perfect. When building these infrastructures, it is necessary to excavate the foundation pit first. The so-called foundation pit is a soil pit excavated at the foundation design position according to the base elevation and foundation plane dimensions. The foundation pit is the foundation for building high-rise buildings, so the performance of the foundation pit will seriously affect the construction safety of high-rise buildings.

[0003] For example, a Chinese patent with publication (announcement) number CN211547853U discloses a civil engineering foundation pit excavation device, wherein a support frame is fixed to the upper end of the base, the top end of the support frame is fixedly connected to one end of a cross frame, and a servo motor B is installed on the outer side of the cross frame, the output shaft of the servo motor B is fixedly connected to the active rotating shaft through a coupling, the servo motor B is fixed to the upper end of the mounting seat, the output shaft of the servo motor B is fixedly connected to one end of a screw rod through a flange, a joint A is fixed to the bottom end of the screw rod, and the joint A is fixedly connected to the joint B inside the excavation head through bolts, the cross-sectional shape of the excavation head is triangular, and the interior of the excavation head is a hollow structure.

[0004] Although the above technical solution solves the corresponding technical problem, the above technical solution still has the following defects: the above technical solution is not convenient for transporting the excavated soil, thus reducing the convenience of foundation pit excavation. Utility Model Content

[0005] The utility model aims to provide a civil engineering foundation pit excavation device, which first moves a moving seat to an area to be constructed, and then drives the excavation assembly to move downwards through a first electric cylinder, and at the same time, turns on the excavation motor, thereby driving the excavation head to rotate, thereby realizing the excavation of the foundation pit. After the excavation of the foundation pit is completed, turns on the servo motor, and the servo motor drives the discharge mechanism to move to the position of the excavation pit through a rotating support, and then drives the conveying assembly to move downwards through a second electric cylinder, and makes the cylinder body penetrate into the foundation pit, and then turns on the driving motor, so that the excavated soil can be spirally conveyed by spiral conveying blades and discharged through a discharge pipe, thereby greatly improving the convenience of the foundation pit.

[0006] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0007] A civil engineering foundation pit excavation device, comprising:

[0008] Mobile seat;

[0009] A rotating support mechanism installed on the moving seat, the rotating support mechanism comprising a servo motor fixedly connected to the top of the moving seat, and a rotating support fixedly connected to the output shaft of the servo motor;

[0010] An excavation mechanism for soil excavation, the excavation mechanism comprising a first electric cylinder fixedly connected to the rotating support, and an excavation assembly is installed at the bottom of the first electric cylinder;

[0011] The discharging mechanism is used for conveying the excavated soil, and the discharging mechanism comprises a second electric cylinder installed on the rotating support, and a conveying component is installed on the output end of the second electric cylinder.

[0012] The above-mentioned civil engineering foundation pit excavation device, wherein the excavation assembly includes an excavation motor, and the bottom of the excavation motor is fixedly connected to an excavation head.

[0013] In the above-mentioned civil engineering foundation pit excavation device, the top of the excavation motor is fixedly connected to the output end of the first electric cylinder.

[0014] The above-mentioned civil engineering foundation pit excavation device, wherein the conveying assembly includes a cylinder, the top of the inner wall of the cylinder is fixedly connected to a driving motor, the output shaft of the driving motor is fixedly connected to a spiral conveying blade, and a discharge pipe is installed on the top of the side of the cylinder.

[0015] In the above-mentioned civil engineering foundation pit excavation device, the top of the cylinder is fixedly connected to the output end of the second electric cylinder.

[0016] In the above-mentioned civil engineering foundation pit excavation device, the rotating support mechanism also includes a limiting component for limiting the rotating support.

[0017] The above-mentioned civil engineering foundation pit excavation device, wherein the limit assembly includes a limit bearing sleeve rotatably mounted on the output shaft of the servo motor, both sides of the limit bearing sleeve are fixedly connected with L-shaped limit rods, and the other end of the L-shaped limit rod is fixedly connected to the top of the moving seat.

[0018] In the above-mentioned civil engineering foundation pit excavation device, the discharge pipe is of inclined design.

[0019] The utility model has at least the following beneficial effects:

[0020] In the utility model, a civil engineering foundation pit excavation device is realized. First, the moving seat is moved to the area to be constructed, and then the excavation component is driven to move downward by the first electric cylinder. At the same time, the excavation motor is turned on to drive the excavation head to rotate, so as to realize the excavation of the foundation pit. After the foundation pit excavation is completed, the servo motor is turned on, and the servo motor drives the discharge mechanism to move to the digging position through the rotating support, and then the conveying component is driven to move downward by the second electric cylinder, and the cylinder body is made to penetrate into the foundation pit, and then the driving motor is turned on, so that the excavated soil can be spirally conveyed by the spiral conveying blades and discharged through the discharge pipe, thereby greatly improving the convenience of the foundation pit. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a structural schematic diagram of the civil construction foundation pit excavation device of the utility model;

[0023] Figure 2 It is a schematic diagram of the cross-sectional structure of the civil construction foundation pit excavation device of the utility model;

[0024] Figure 3 It is a structural schematic diagram of the rotary support mechanism in the civil engineering foundation pit excavation device of the utility model;

[0025] Figure 4 It is a structural schematic diagram of the excavation mechanism in the civil engineering foundation pit excavation device of the utility model;

[0026] Figure 5 It is a structural schematic diagram of the material discharging mechanism in the civil engineering foundation pit excavation device of the utility model;

[0027] Figure 6 It is a schematic cross-sectional structure diagram of a material discharge mechanism in a civil engineering foundation pit excavation device of the utility model.

[0028] Description of Figure Numbers:

[0029] 1. Moving seat; 2. Rotating support mechanism; 3. Digging mechanism; 4. Discharging mechanism; 201. Servo motor; 202. Rotating support; 203. Limiting assembly; 2031. Limiting bearing sleeve; 2032. L-shaped limiting rod; 301. First electric cylinder; 302. Digging assembly; 3021. Digging motor; 3022. Digging head; 401. Second electric cylinder; 402. Conveying assembly; 4021. Cylinder; 4022. Driving motor; 4023. Spiral conveying blade; 4024. Discharging pipe. DETAILED DESCRIPTION

[0030] 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.

[0031] Please refer to Figures 1 to 6 As shown, an embodiment of the utility model provides a civil engineering foundation pit excavation device, comprising: a mobile seat 1, a rotating support mechanism 2 installed on the mobile seat 1, an excavation mechanism 3 for soil excavation, and a discharge mechanism 4 for conveying the excavated soil;

[0032] Please refer to Figures 1 to 6 As shown, the rotating support mechanism 2 includes a servo motor 201 fixedly connected to the top of the moving seat 1, and a rotating support 202 is fixedly connected to the output shaft of the servo motor 201;

[0033] Please refer to Figures 1 to 6 As shown, the excavation mechanism 3 includes a first electric cylinder 301 fixedly connected to the rotating support 202, and an excavation assembly 302 is installed at the bottom of the first electric cylinder 301;

[0034] Please refer to Figures 1 to 6 As shown, the discharging mechanism 4 includes a second electric cylinder 401 mounted on the rotating support 202, and a conveying component 402 is mounted on the output end of the second electric cylinder 401;

[0035] Please refer to Figures 1 to 6 As shown, the excavation assembly 302 includes an excavation motor 3021 , and an excavation head 3022 is fixedly connected to the bottom of the excavation motor 3021 .

[0036] The top of the excavation motor 3021 is fixedly connected to the output end of the first electric cylinder 301 .

[0037] Please refer to Figures 1 to 6As shown, the conveying assembly 402 includes a cylinder 4021 , a driving motor 4022 is fixedly connected to the top of the inner wall of the cylinder 4021 , a spiral conveying blade 4023 is fixedly connected to the output shaft of the driving motor 4022 , and a discharge pipe 4024 is installed on the top of the side of the cylinder 4021 .

[0038] The top of the cylinder 4021 is fixedly connected to the output end of the second electric cylinder 401 .

[0039] Please refer to Figures 1 to 6 As shown, the rotating support mechanism 2 also includes a limiting assembly 203 for limiting the rotating support 202, and the limiting assembly 203 includes a limiting bearing sleeve 2031 rotatably mounted on the output shaft of the servo motor 201, and both sides of the limiting bearing sleeve 2031 are fixedly connected with L-shaped limiting rods 2032, and the other end of the L-shaped limiting rod 2032 is fixedly connected to the top of the moving seat 1;

[0040] By adopting the above technical solution, the limiting bearing sleeve 2031 and the L-shaped limiting rod 2032 are provided to limit the rotating support 202, thereby increasing the rotation stability of the rotating support 202.

[0041] Please refer to Figures 1 to 6 As shown, the discharge pipe 4024 is of inclined design;

[0042] By adopting the above technical solution, the soil inside the cylinder 4021 can be discharged more conveniently and thoroughly through the inclined discharge pipe 4024.

[0043] The working principle of the utility model is: first, the mobile seat 1 is moved to the area to be constructed, and then the excavation component 302 is driven to move downward by the first electric cylinder 301. At the same time, the excavation motor 3021 is turned on, so that the excavation head 3022 can be driven to rotate, and then the excavation of the foundation pit can be realized. After the excavation of the foundation pit is completed, the servo motor 201 is turned on, and the servo motor 201 drives the discharge mechanism 4 to move to the position of the pit through the rotating support 202, and then the conveying component 402 is driven to move downward by the second electric cylinder 401, and the cylinder 4021 is made to penetrate into the foundation pit, and then the driving motor 4022 is turned on, so that the excavated soil can be spirally conveyed by the spiral conveying blades 4023 and discharged through the discharge pipe 4024, thereby greatly improving the convenience of the foundation pit.

[0044] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A civil engineering foundation pit excavation device, characterized in that: include: Mobile seat (1); A rotating support mechanism (2) mounted on the movable seat (1), the rotating support mechanism (2) comprising a servo motor (201) fixedly connected to the top of the movable seat (1), and a rotating support (202) fixedly connected to an output shaft of the servo motor (201); An excavation mechanism (3) for soil excavation, the excavation mechanism (3) comprising a first electric cylinder (301) fixedly connected to the rotating support (202), an excavation assembly (302) being installed at the bottom of the first electric cylinder (301); A discharge mechanism (4) for conveying excavated soil, the discharge mechanism (4) comprising a second electric cylinder (401) mounted on the rotating support (202), a conveying assembly (402) being mounted on the output end of the second electric cylinder (401).

2. A civil engineering foundation pit excavation device according to claim 1, characterized in that: The excavating assembly (302) comprises an excavating motor (3021), and an excavating head (3022) is fixedly connected to the bottom of the excavating motor (3021).

3. A civil engineering foundation pit excavation device according to claim 2, characterized in that: The top of the excavation motor (3021) is fixedly connected to the output end of the first electric cylinder (301).

4. A civil engineering foundation pit excavation device according to claim 3, characterized in that: The conveying assembly (402) comprises a cylinder (4021), the top of the inner wall of the cylinder (4021) being fixedly connected to a driving motor (4022), the output shaft of the driving motor (4022) being fixedly connected to a spiral conveying blade (4023), and a discharge pipe (4024) being installed at the top of the side surface of the cylinder (4021).

5. A civil engineering foundation pit excavation device according to claim 4, characterized in that: The top of the cylinder (4021) is fixedly connected to the output end of the second electric cylinder (401).

6. A civil construction foundation pit excavation device according to claim 5, characterized in that: The rotary support mechanism (2) further comprises a limiting component (203) for limiting the position of the rotary support (202).

7. A civil engineering foundation pit excavation device according to claim 6, characterized in that: The limiting assembly (203) comprises a limiting bearing sleeve (2031) rotatably mounted on the output shaft of the servo motor (201), L-shaped limiting rods (2032) are fixedly connected to both sides of the limiting bearing sleeve (2031), and the other end of the L-shaped limiting rod (2032) is fixedly connected to the top of the moving seat (1).

8. A civil engineering foundation pit excavation device according to claim 7, characterized in that: The discharge pipe (4024) is of inclined design.

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