Foundation pit excavation mechanism for hydraulic engineering

Abstract

The utility model discloses a foundation pit excavation mechanism for hydraulic engineering, and relates to the technical field of hydraulic engineering. An opening groove plate is fixedly connected to the outer surface of the mounting body, an L-shaped supporting plate is slidably connected into the opening groove plate, a first motor is fixedly connected to the top end of the L-shaped supporting plate, a drill rod is fixedly connected to one end of an output shaft of the first motor, and the end, away from the first motor, of the drill rod is fixedly connected with the top of the drill bit. A second motor is fixedly connected to the outer surface of the open slot plate, a gear is fixedly connected to one end of an output shaft of the second motor, a rack is fixedly connected to the outer surface of the L-shaped supporting plate, the outer surface of the rack is slidably connected with an inner opening of the open slot plate, and a vertical limiting assembly is arranged on the outer surface of the mounting body. The problems that after a drill bit goes deep into the ground, inclined drilling is likely to occur, and the device is difficult to stably install due to the fact that geological conditions of water conservancy project construction sites are often complex are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy projects, in particular to a foundation pit excavation mechanism for water conservancy projects. Background Art

[0002] With the continuous development of water conservancy project construction, foundation pit excavation, as an important link in water conservancy project construction, has received widespread attention for its safety and efficiency. The design and application of foundation pit excavation mechanisms for water conservancy projects are not only directly related to the construction progress and quality of water conservancy projects, but also have important significance for ensuring project safety and environmental protection.

[0003] Existing foundation pit excavation mechanisms usually need to excavate at a fixed position, and the excavated foundation pit must be vertical. Since most devices use a drill bit to excavate the foundation pit, it may be easy to tilt after the drill bit penetrates into the ground, making the excavated foundation pit unusable. At the same time, the bottom of most existing foundation pit excavation mechanisms is a fixed structure. Since the geological conditions at the site of water conservancy project construction are often complex, it is difficult to install the device stably. Utility Model Content

[0004] In order to solve the problem that inclined drilling may easily occur after the drill bit penetrates into the ground and the geological conditions at the site of water conservancy project construction are often complex, making it difficult to install the device stably; the purpose of the utility model is to provide a foundation pit excavation mechanism for water conservancy projects.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a foundation pit excavation mechanism for water conservancy projects, comprising a mounting body and a drill bit, the outer surface of the mounting body is fixedly connected with an open slot plate, the inside of the open slot plate is slidably connected with an L-shaped support plate, the top of the L-shaped support plate is fixedly connected with a first motor, one end of the output shaft of the first motor is fixedly connected with a drill rod, the end of the drill rod away from the first motor is fixedly connected to the top of the drill bit, the outer surface of the open slot plate is fixedly connected with a second motor, one end of the output shaft of the second motor is fixedly connected with a gear, the outer surface of the L-shaped support plate is fixedly connected with a rack, the outer surface of the rack is slidably connected to the opening inside the open slot plate, a vertical limit assembly is arranged on the outer surface of the mounting body, and the mounting Adjustment and fixing components are provided at the four corners of the outer side of the main body; the vertical limit assembly includes a limit frame, the top of the installation body is symmetrically provided with a first slide groove, the inside of the first slide groove is slidably connected to the bottom of the limit frame, the bottom of the limit frame is provided with a fixed groove, the inside of the first slide groove is symmetrically fixedly connected with a spring, the end of the spring away from the first slide groove is fixedly connected to the outer surface of the limit frame, the outer surface of the installation body is provided with a plurality of evenly distributed second slide grooves, the inside of the second slide groove is slidably connected with a fixing plate, the number of the second slide grooves is multiple and is evenly distributed in a rectangular array on the top of the installation body, the inside of the second slide groove is connected with the inside of the first slide groove, the outer surface of the rack is meshed with the outer surface of the gear, and the outer surface of the installation body is provided with a through groove.

[0006] Preferably, the adjustment and fixing assembly includes an anchor rod, a rotating block is rotatably connected to the four corners of the outer side of the installation body, a plurality of evenly distributed fixing holes are opened on the outer surface of the rotating block, a convex plate is rotatably connected to the outer surface of the rotating block, the outer surface of the convex plate is slidably inserted with the outer surface of the anchor rod, screws are threadedly connected to the four corners of the top end of the installation body, a fixing rod is fixedly connected to the four corners of the outer side of the installation body, the outer surface of the fixing rod is rotatably connected to the inside of the rotating block, and the bottom end of the screw corresponds to the inner opening of the fixing hole.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] 1. By setting a vertical limit assembly, the second motor drives the drill bit to move through the gear and rack, and vertical excavation can be performed under the action of the limit frame, so as to prevent the drill bit from tilting after penetrating into the ground, thereby improving the practicality of the device.

[0009] 2. By setting the adjustment fixing components, the anchor rod and the rotating block can be adjusted in multiple directions, so that stable installation can be carried out under different geological conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] 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 or the description of the prior art 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.

[0011] Figure 1 It is a schematic diagram of the overall structure proposed by the utility model;

[0012] Figure 2 This is a schematic diagram of the first angle structure proposed by the utility model;

[0013] Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0014] Figure 4 This is a schematic diagram of the second angle structure proposed by the utility model;

[0015] Figure 5 for Figure 4 Enlarged schematic diagram of the structure at point B in the middle.

[0016] In the figure: 1. installation body; 2. drill bit; 3. drill rod; 4. first motor; 5. L-shaped support plate; 6. rack; 7. gear; 8. open slot plate; 9. anchor rod; 10. convex plate; 11. rotating block; 12. screw; 13. limit frame; 14. through slot; 15. first slide slot; 16. second slide slot; 17. fixing plate; 18. fixing slot; 19. spring; 20. second motor; 21. fixing rod; 22. fixing hole. DETAILED DESCRIPTION

[0017] 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.

[0018] Example: Figure 1-5As shown, the utility model provides a foundation pit excavation mechanism for water conservancy projects, including a mounting body 1 and a drill bit 2. An open slot plate 8 is fixedly connected to the outer surface of the mounting body 1. An L-shaped support plate 5 is slidably connected inside the open slot plate 8. A first motor 4 is fixedly connected to the top of the L-shaped support plate 5. One end of the output shaft of the first motor 4 is fixedly connected to a drill rod 3. One end of the drill rod 3 away from the first motor 4 is fixedly connected to the top of the drill bit 2. A second motor 20 is fixedly connected to the outer surface of the open slot plate 8. One end of the output shaft of the second motor 20 is fixedly connected to a gear 7. The outer surface of the support plate 5 is fixedly connected with a rack 6, and the outer surface of the rack 6 is slidably connected to the inner opening of the open slot plate 8. A vertical limit assembly is provided on the outer surface of the installation body 1, and an adjustment and fixing assembly is provided at the four corners of the outer side of the installation body 1; the vertical limit assembly includes a limit frame 13, and the top of the installation body 1 is symmetrically provided with a first slide groove 15, and the inside of the first slide groove 15 is slidably connected to the bottom end of the limit frame 13, and a fixed groove 18 is provided at the bottom of the limit frame 13, and a spring 19 is symmetrically fixedly connected to the inner side of the first slide groove 15, and the spring 19 is away from the first slide groove 15. The end is fixedly connected to the outer surface of the limit frame 13, and a plurality of evenly distributed second slide grooves 16 are provided on the outer surface of the installation body 1. A fixing plate 17 is slidably connected inside the second slide groove 16. The installation body 1, the drill bit 2, the drill rod 3, the first motor 4, the L-shaped support plate 5, the open slot plate 8, the anchor rod 9, the limit frame 13 and the second motor 20 constitute a foundation pit excavation mechanism for a water conservancy project. By setting the limit frame 13, the second motor 20 drives the drill bit 2 to move through the gear 7 and the rack 6, and vertical excavation can be performed under the action of the limit frame 13, so as to prevent The drill bit 2 is prone to tilt after penetrating into the ground. There are multiple second slide grooves 16 and they are evenly distributed in a rectangular array on the top of the installation body 1, so that the limit frame 13 can be adjusted on the installation body 1. The interior of the second slide groove 16 is connected with the interior of the first slide groove 15, so that the fixed plate 17 can slide into the fixed groove 18, and the outer surface of the rack 6 is meshed with the outer surface of the gear 7, so that the rotation of the gear 7 can drive the rack 6 to move. A through groove 14 is provided on the outer surface of the installation body 1, so that the drill bit 2 can excavate the ground through the installation body 1.

[0019] The adjustment and fixing assembly includes an anchor rod 9, and a rotating block 11 is rotatably connected to the four corners of the outer side of the installation body 1. The outer surface of the rotating block 11 is provided with a plurality of evenly distributed fixing holes 22. The outer surface of the rotating block 11 is rotatably connected to a convex plate 10, and the outer surface of the convex plate 10 is slidably inserted with the outer surface of the anchor rod 9. Screws 12 are threadedly connected to the four corners of the top end of the installation body 1. By arranging the anchor rod 9, the anchor rod 9 and the rotating block 11 can be adjusted in multiple directions, so that stable installation can be performed under different geological conditions. Fixed rods 21 are fixedly connected to the four corners of the outer side of the installation body 1, and the outer surface of the fixing rod 21 is rotatably connected to the inside of the rotating block 11, so that the rotating block 11 can be rotated at the four corners of the outer side of the installation body 1, and the bottom end of the screw 12 corresponds to the inner opening of the fixing hole 22, so that the screw 12 can be rotated into the fixing hole 22 to fix the rotating block 11.

[0020] Working principle: When it is necessary to install the installation body 1 under different geological conditions, the staff can turn the screw 12 outward to move the screw 12 out from the fixing hole 22, and then the staff manually turns the convex plate 10 and the rotating block 11 to rotate the convex plate 10 up and down on the rotating block 11, and at the same time, the rotating block 11 is rotated left and right on the installation body 1, until the convex plate 10 and the rotating block 11 are adjusted to a suitable position, the staff turns the screw 12 inward to make the screw 12 enter the fixing hole 22 to fix the rotating block 11, and then the staff slides the anchor rod 9 into the convex plate 10 and inserts it into the ground to fix the convex plate 10, so that stable installation can be performed under different geological conditions;

[0021] The staff can move the fixing plate 17 to slide in the second slide groove 16, so that the fixing plate 17 slides out of the fixing groove 18, and then the staff moves the limit frame 13 according to the specifications of the drill rod 3, so that the limit frame 13 slides on the first slide groove 15 and squeezes the spring 19, and the spring 19 contracts under the force. When the limit frame 13 is adjusted to a suitable position, the staff can move the fixing plate 17 to the fixing groove 18 to fix the limit frame 13, and then start the first motor 4. The output shaft of the first motor 4 rotates through the drill rod 3 to rotate the drill bit 2, and then the staff starts the second motor 20. The output shaft of the second motor 20 rotates to drive the gear 7 to rotate. The gear 7 rotates through the rack 6 to move the L-shaped support plate 5 downward, so that the drill bit 2 moves vertically downward under the action of the limit frame 13 to excavate the ground.

[0022] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A foundation pit excavation mechanism for a water conservancy project, comprising a mounting body (1) and a drill bit (2), characterized in that: The outer surface of the installation body (1) is fixedly connected with an open slot plate (8), the inside of the open slot plate (8) is slidably connected with an L-shaped support plate (5), the top of the L-shaped support plate (5) is fixedly connected with a first motor (4), one end of the output shaft of the first motor (4) is fixedly connected with a drill rod (3), the end of the drill rod (3) away from the first motor (4) is fixedly connected with the top of the drill bit (2), the outer surface of the open slot plate (8) is fixedly connected with a second motor (20), one end of the output shaft of the second motor (20) is fixedly connected with a gear (7), the outer surface of the L-shaped support plate (5) is fixedly connected with a rack (6), the outer surface of the rack (6) is slidably connected with the inner opening of the open slot plate (8), the outer surface of the installation body (1) is provided with a vertical limit assembly, and the four corners of the outer side of the installation body (1) are provided with adjustment and fixing assemblies; The vertical limit assembly comprises a limit frame (13), a first slide groove (15) is symmetrically provided at the top of the installation body (1), the first slide groove (15) is slidably connected to the bottom of the limit frame (13), a fixing groove (18) is provided at the bottom of the limit frame (13), a spring (19) is symmetrically fixedly connected to the inside of the first slide groove (15), one end of the spring (19) away from the first slide groove (15) is fixedly connected to the outer surface of the limit frame (13), a plurality of evenly distributed second slide grooves (16) are provided on the outer surface of the installation body (1), and a fixing plate (17) is slidably connected to the inside of the second slide groove (16).

2. A foundation pit excavation mechanism for water conservancy projects as claimed in claim 1, characterized in that: The adjusting and fixing assembly comprises an anchor rod (9), a rotating block (11) is rotatably connected at the four corners of the outer side of the installation body (1), a plurality of evenly distributed fixing holes (22) are provided on the outer surface of the rotating block (11), a convex plate (10) is rotatably connected to the outer surface of the rotating block (11), the outer surface of the convex plate (10) is slidably inserted with the outer surface of the anchor rod (9), and screws (12) are threadedly connected at the four corners of the top end of the installation body (1).

3. A foundation pit excavation mechanism for water conservancy projects as claimed in claim 2, characterized in that: Fixed rods (21) are fixedly connected at the four corners of the outer side of the installation body (1), and the outer surface of the fixed rod (21) is rotatably connected to the inside of the rotating block (11).

4. A foundation pit excavation mechanism for water conservancy engineering as claimed in claim 2, characterized in that: The bottom end of the screw (12) corresponds to the inner opening of the fixing hole (22).

5. A foundation pit excavation mechanism for water conservancy engineering according to claim 1, characterized in that: The second sliding grooves (16) are multiple in number and are evenly distributed in a rectangular array on the top of the installation body (1).

6. A foundation pit excavation mechanism for water conservancy engineering according to claim 1, characterized in that: The interior of the second slide groove (16) is communicated with the interior of the first slide groove (15).

7. A foundation pit excavation mechanism for water conservancy engineering according to claim 1, characterized in that: The outer surface of the rack (6) is meshed with the outer surface of the gear (7).

8. A foundation pit excavation mechanism for water conservancy engineering according to claim 1, characterized in that: The outer surface of the installation body (1) is provided with a through groove (14).

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