Foundation pit asymmetric excavating device based on non-limit soil pressure and using method

Abstract

The invention discloses a foundation pit asymmetric excavation device based on non-limit soil pressure and a using method, and relates to the technical field of foundation pit excavation. Comprising a supporting plate, rolling wheels are installed on the edges of the lower ends of the supporting plate and a supporting frame, third rotating motors are embedded in the upper and lower ends and the center of the inner wall of the supporting plate, sliding balls are embedded in the edges of one ends of the third rotating motors, smashing heads are installed at the output ends of the third rotating motors, and a mounting slot is formed in the edge of one side of the supporting frame. According to the asymmetric excavation device for the foundation pit based on the non-limit soil pressure, stable supporting can be formed through the supporting plate and the supporting frame, stable excavation can be conducted through the supporting column and the rolling wheel, operation is stable, efficient crushing excavation can be conducted through the crushing head, the rolling shaft and the excavator bucket, efficiency is better, and when the excavator bucket rotates, the excavation efficiency is improved. And soil can be guided into the material pumping pipe, so that the soil is stably and rapidly guided out through the first rotating motor and the packing auger, blockage is avoided, and use is more convenient.

Description

Technical Field

[0001] The invention relates to the technical field of foundation pit excavation, and in particular to a method for using an asymmetric foundation pit excavation device based on non-limiting earth pressure. Background Art

[0002] Due to the rapid development of the national economy and tourism industry, new resorts and hotels have emerged near the sea and water. It is necessary to make full use of and develop underground space, and asymmetric foundation pit excavation near water has also appeared in large numbers. Unlike traditional foundation pits far away from the ocean, asymmetric foundation pit excavation near water has poor soil quality and is affected by waves, tides and typhoons, and has high requirements for the water-stopping effect of the foundation pit. At the same time, due to the limitations of construction conditions, asymmetric foundation pit excavation near water may be subject to asymmetric loads on both sides of the foundation pit during construction, or there may be other offshore structures under construction in the surrounding area, so it is affected by vibration loads. There is a river or sea on one side of the asymmetric foundation pit excavation near water, resulting in unbalanced soil pressure on both sides of the foundation pit. Unbalanced soil pressure can easily cause the retaining structure to deform too much toward the water side, and even cause engineering accidents such as overall instability of the foundation pit, damage to the revetment, and water gushing into the foundation pit.

[0003] The existing CN219973324U civil engineering foundation pit excavation device starts and shuts down the hydraulic cylinders. The two hydraulic cylinders respectively push the bucket to rotate, so that the bucket can be inserted into the sudden more smoothly, and at the same time, it is ensured that all the excavated soil can be conveniently moved out to the outside. However, there are some shortcomings. The excavation stability and excavation efficiency of the existing equipment are not good, and the waste soil is not stable and inconvenient to use. Therefore, an asymmetric foundation pit excavation device based on non-limit soil pressure is needed to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide an asymmetric excavation device for foundation pits based on non-limiting soil pressure to solve the problems of poor excavation stability and efficiency of the civil engineering foundation pit excavation device mentioned in the above background technology, as well as unstable waste soil extraction and inconvenient use.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an asymmetric excavation device for foundation pit based on non-limit soil pressure, comprising a support plate, a support frame is installed on one edge of the support plate, and a support column is fixedly connected to one corner of one side of the support plate, rollers are installed on the lower edges of the support plate and the support frame, and a third rotating motor is inlaid and installed at the upper and lower ends and the center position of the inner wall of the support plate, a sliding ball is inlaid and installed on one end edge of the third rotating motor, and a crushing head is installed on the output end of the third rotating motor, and one side of the sliding ball is distributed in a close contact with the edge of one end of the crushing head;

[0006] A fixing frame is installed parallel to the center position between the crushing heads, and a second rotating motor is installed vertically on the outer wall of the fixing frame. A roller is installed on the output end of the second rotating motor, and a splicing slot is opened on the outer wall of the roller. A splicing plug is installed on the inner wall of the splicing slot, and a bucket is fixedly connected to one end of the splicing plug;

[0007] The first bolts are inserted and installed at the edges of both ends of the roller, a material extraction pipe is distributed in parallel between the crushing head and the roller, and the material extraction pipe is inserted and installed with the support plate, a first rotating motor is inserted and installed at one end of the material extraction pipe, and an auger is installed at the output end of the first rotating motor, the auger is inserted and installed on the inner wall of the material extraction pipe, and a material guide pipe is inserted and installed at one edge of the material extraction pipe, a locking ring is sleeved and installed on the outer wall of the material guide pipe, and the locking ring is spirally installed with the material extraction pipe;

[0008] A mounting block is fixedly connected to one edge of the support plate, and the mounting block is plugged into and installed in a mounting slot. The mounting slot is opened at one edge of the support frame, and second bolts are plugged into and installed on both side edges of the support frame.

[0009] Preferably, the support frame is a trapezoidal structure, and the support frame is installed in a mounting slot by inserting and splicing with the support plate through an installation plug-in block, and the installation plug-in block is locked and fixedly connected to the installation slot through a second bolt.

[0010] Preferably, the support columns are distributed in a rectangular position on one side of the support plate, and the support columns are hydraulic cylinder structures.

[0011] Preferably, the rollers are distributed in a rectangular position under the support plate and the support frame, and the rollers are a double-layer wheel structure.

[0012] Preferably, the extraction pipes are distributed in a matrix position on the inner wall of the support plate, and one end of the extraction pipe is a flared structure, and the auger is rotationally connected to the extraction pipe via a first rotating motor.

[0013] Preferably, the crushing head is a convex drill bit structure, and the crushing head is rotationally connected to the support plate via a third rotary motor, and the crushing head is supported and rotationally connected to the support plate via a sliding ball.

[0014] Preferably, the length of the roller matches the width of the support plate, and the roller is rotationally connected to the fixing frame via a second rotating motor, and the bucket is distributed in an inclined annular position on the roller.

[0015] Preferably, the material guide tube is installed in a plug-in and locking connection with the material extraction tube through a locking ring, and the material guide tube is a spring tube structure.

[0016] Preferably, the bucket is installed by inserting and engaging with the roller in the splicing slot through a splicing plug-in block, and the splicing plug-in block is locked and fixedly connected with the splicing slot through a first bolt.

[0017] A method for using an asymmetric excavation device for a foundation pit based on non-limiting soil pressure, comprising the following steps: first, installing the device in combination with a driving device, and then pushing the device toward one side of the foundation pit through the driving device; then, driving a crushing head to rotate and a bucket to flip through a second rotating motor and a third rotating motor, thereby excavating and crushing the soil; then, driving an auger to rotate through a first rotating motor; then, spirally guiding the turned soil toward one side of a material extraction pipe through the auger; then, climbing out through the material guide pipe for continuous excavation; when the bucket needs to be replaced, the first bolt is removed and the bucket is separated and replaced by being plugged into a splicing block in a splicing slot; when the material extraction pipe is blocked, the material guide pipe is spirally removed through a locking ring to perform an inner wall cleaning operation.

[0018] Compared with the prior art, the beneficial effects of the present invention are: the asymmetric excavation device for foundation pits based on non-limit earth pressure can form a stable support through the support plate and the support frame, and can perform stable excavation through the support column and the roller, with stable operation, and can perform efficient crushing and excavation through the crushing head, the roller and the bucket, with better efficiency, and when the bucket rotates, the soil can be introduced into the suction pipe, so that it can be stably and quickly discharged through the first rotating motor and the auger, avoiding blockage and being more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view of an asymmetric excavation device for foundation pit based on non-limiting earth pressure of the present invention;

[0020] Figure 2 It is a cross-sectional view of an asymmetric excavation device for a foundation pit based on non-limiting earth pressure according to the present invention;

[0021] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0022] Figure 4 for Figure 2 Enlarged view of point B in the middle;

[0023] Figure 5 for Figure 2 Enlarged view of point C in the middle;

[0024] Figure 6 for Figure 2 Enlarged view of point D in the middle.

[0025] In the figure: 1, support plate, 2, support frame, 3, support column, 4, roller, 5, first rotating motor, 6, extraction pipe, 7, auger, 8, crushing head, 9, roller, 10, second rotating motor, 11, fixed frame, 12, guide pipe, 13, locking ring, 14, sliding ball, 15, third rotating motor, 16, bucket, 17, splicing slot, 18, splicing plug-in block, 19, first bolt, 20, installation plug-in block, 21, second bolt, 22, installation slot. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-6 The present invention provides a technical solution: an asymmetric excavation device for a foundation pit based on non-limit soil pressure, comprising a support plate 1, a support frame 2, a support column 3, a roller 4, a first rotary motor 5, a material extraction pipe 6, a screw dragon 7, a crushing head 8, a roller 9, a second rotary motor 10, a fixed frame 11, a material guide pipe 12, a locking ring 13, a sliding ball 14, a third rotary motor 15, a bucket 16, a splicing slot 17, a splicing plug-in block 18, a first bolt 19, a mounting plug-in block 20, a second bolt 21 and a mounting slot 22. The support frame 2 is installed on the edge of one side of the support plate 1, and the support column 3 is fixedly connected to the corner of one side of the support plate 1. The support frame 2 is a trapezoidal structure, and the support frame 2 is spliced ​​and installed with the support plate 1 in the mounting slot 22 by means of the mounting plug-in block 20. The mounting plug-in block 20 is locked and fixedly connected with the mounting slot 22 by means of the second bolt 21, so that the support frame 2 and the support plate 1 are auxiliary supported, and are convenient for quick disassembly and replacement.

[0028] Furthermore, the support columns 3 are distributed in a rectangular position on one side of the support plate 1, and the support columns 3 are hydraulic cylinder structures.

[0029] This makes it easy for the support column 3 to be pushed forward stably. Rollers 4 are installed on the lower edges of the support plate 1 and the support frame 2, and a third rotating motor 15 is embedded and installed at the upper and lower ends and the center position of the inner wall of the support plate 1. The rollers 4 are distributed in a rectangular position under the support plate 1 and the support frame 2, and the rollers 4 are a double-layer wheel structure. In this way, the rollers 4 can drive the support plate 1 and the support frame 2 to move stably, and the excavation is more stable.

[0030] Furthermore, a sliding ball 14 is embedded and installed on the edge of one end of the third rotating motor 15, and a crushing head 8 is installed at the output end of the third rotating motor 15. The crushing head 8 is a convex drill bit structure, and the crushing head 8 is rotationally connected to the support plate 1 through the third rotating motor 15.

[0031] The crushing head 8 is connected to the support plate 1 in a supporting and rotatable manner through the sliding ball 14, so that the crushing head 8 is convenient for crushing and excavating with good efficiency.

[0032] One side of the sliding ball 14 is fitted with the edge of one end of the crushing head 8, a fixing frame 11 is installed in parallel with the center position between the crushing heads 8, and a second rotating motor 10 is vertically installed on the outer wall of the fixing frame 11, a roller 9 is installed at the output end of the second rotating motor 10, and a splicing slot 17 is opened on the outer wall of the roller 9, the length of the roller 9 matches the width of the support plate 1, and the roller 9 is rotatably connected to the fixing frame 11 through the second rotating motor 10, and the bucket 16 is distributed in an inclined annular position on the roller 9, so that the roller 9 can drive the bucket 16 to rotate, thereby diverting the excavated soil and facilitating its rapid export.

[0033] Furthermore, a splicing block 18 is installed in the inner wall of the splicing slot 17, and a bucket 16 is fixedly connected to one end of the splicing block 18. The bucket 16 is installed in the splicing slot 17 by the splicing block 18, and the splicing block 18 is locked and fixedly connected to the splicing slot 17 by the first bolt 19, so that the bucket 16 can be quickly inserted and disassembled, and can be easily replaced and used independently. The first bolts 19 are installed in the edges of both ends of the roller 9, and a suction pipe 6 is distributed in parallel between the crushing head 8 and the roller 9, and the suction pipe 6 is installed in the support plate 1. The suction pipe 6 is distributed in a matrix position on the inner wall of the support plate 1, and one end of the suction pipe 6 is a flared structure. The auger 7 is rotatably connected to the suction pipe 6 by the first rotating motor 5, so that the suction pipe 6 can be stably diverted by the auger 7, the soil discharge efficiency is improved, and the excavation is more stable.

[0034] A first rotating motor 5 is installed in a plug-in manner at one end of the feed extraction pipe 6, and an auger 7 is installed at the output end of the first rotating motor 5. The auger 7 is installed in a plug-in manner on the inner wall of the feed extraction pipe 6, and a material guide pipe 12 is installed in a plug-in manner on the edge of one side of the feed extraction pipe 6. The material guide pipe 12 is installed in a plug-in and locked manner with the feed extraction pipe 6 through a locking ring 13, and the material guide pipe 12 is a spring tube structure, which makes it convenient for the material guide pipe 12 to be quickly disassembled and assembled, and convenient for cleaning and replacement of the inner wall. A locking ring 13 is installed in a sleeve manner on the outer wall of the material guide pipe 12, and the locking ring 13 is spirally installed with the feed extraction pipe 6. A mounting block 20 is fixedly connected to an edge of one side of the support plate 1, and the mounting block 20 is installed in a plug-in manner with a mounting slot 22. The mounting slot 22 is opened at an edge of one side of the support frame 2, and a second bolt 21 is installed in a plug-in manner on the edges of both sides of the support frame 2.

[0035] Working principle: When using the asymmetric excavation device for foundation pits based on non-limit earth pressure, firstly, the device is installed in combination with the driving device, and then the device is pushed to one side of the foundation pit by the driving device, and then the crushing head 8 is driven to rotate and the bucket 16 is flipped by the second rotating motor 10 and the third rotating motor 15, so as to excavate and crush the soil, and then the auger 7 is driven to rotate by the first rotating motor 5, and then the turned soil is spirally guided to the side of the extraction pipe 6 by the auger 7, and then climbed out through the guide pipe 12 for continuous excavation, and when the bucket 16 needs to be replaced, it can be quickly assembled and disassembled by splicing the slot 17, the splicing block 18 and the first bolt 19. When the extraction pipe 6 is blocked, the guide pipe 12 can be spirally removed by the locking ring 13 to perform the inner wall cleaning operation. This is the use process of the asymmetric excavation device for foundation pits based on non-limit earth pressure.

[0036] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

[0037] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An asymmetric excavation device for a foundation pit based on non-limiting earth pressure, comprising a support plate (1), a support frame (2) being installed on one edge of the support plate (1), and a support column (3) being fixedly connected to one corner of one side of the support plate (1); Features: The lower ends of the support plate (1) and the support frame (2) are both equipped with rollers (4), and the upper end, the lower end and the center position of the inner wall of the support plate (1) are inlaid and installed with a third rotating motor (15), the edge of one end of the third rotating motor (15) is inlaid with a sliding ball (14), and the output end of the third rotating motor (15) is equipped with a crushing head (8), and one side of the sliding ball (14) is arranged in close contact with the edge of one end of the crushing head (8); A fixing frame (11) is installed in parallel at the center position between adjacent crushing heads (8), and a second rotating motor (10) is installed vertically on the outer wall of the fixing frame (11); a roller (9) is installed at the output end of the second rotating motor (10), and a splicing slot (17) is provided on the outer wall of the roller (9); a splicing plug-in block (18) is installed on the inner wall of the splicing slot (17), and a bucket (16) is fixedly connected to one end of the splicing plug-in block (18); First bolts (19) are installed at the edges of both ends of the rolling plate (9); a material extraction pipe (6) is distributed in parallel between the crushing head (8) and the rolling plate (9), and the material extraction pipe (6) is installed by plugging and engaging with the support plate (1); a first rotating motor (5) is installed in one end of the material extraction pipe (6), and an auger (7) is installed at the output end of the first rotating motor (5), the auger (7) is located in the material extraction pipe (6) and is installed by plugging and engaging with the inner wall, and a material guide pipe (12) is installed at the bottom side of the material extraction pipe (6), and a locking ring (13) is installed on the outer wall of the material guide pipe (12), and the locking ring (13) is spirally installed with the material extraction pipe (6); The bottom of the support frame (2) is provided with a mounting slot (22), and a mounting plug-in block (20) is installed on the side of the bottom edge of the support plate (1) opposite to the support frame (2), and the mounting plug-in block (20) is adapted to the mounting slot (22).

2. The asymmetric excavation device for foundation pit based on non-limiting earth pressure according to claim 1 is characterized in that: The support frame (2) is a trapezoidal structure, and the support frame (2) is installed in a plug-in manner and spliced ​​with the support plate (1) in the installation slot (22) through the installation plug block (20); second bolts (21) are installed on the edges of both sides of the support frame (2), and the installation plug block (20) is locked and fixedly connected with the installation slot (22) through the second bolts (21).

3. The asymmetric excavation device for foundation pit based on non-limiting earth pressure according to claim 2 is characterized in that: The support column (3) is distributed in a rectangular position on one side of the support plate (1), and the support column (3) comprises a hydraulic cylinder, and the output end is connected to the support plate (1).

4. The asymmetric excavation device for foundation pit based on non-limiting earth pressure according to claim 3 is characterized in that: The plurality of groups of rollers (4) are located at the lower ends of the support plate (1) and the support frame (2), distributed in a rectangular position, and the rollers (4) are double-layer wheels.

5. The asymmetric excavation device for foundation pit based on non-limiting earth pressure according to claim 4 is characterized in that: The extraction pipes (6) are located on the inner wall of the support plate (1) and are distributed at equal intervals, and one end of the extraction pipe (6) facing the crushing head (8) is a flared structure. The auger (7) is rotated in the extraction pipe (6) through the first rotating motor (5).

6. The asymmetric excavation device for foundation pit based on non-limiting earth pressure according to claim 5, characterized in that: The crushing head (8) is a convex drill bit, and the crushing head (8) is rotated outside the support plate (1) by a third rotating motor (15); A support ring is installed between the support plate (1) and the crushing head (8), one side of the sliding ball (14) is installed on the support ring, and the crushing head (8) is supported and rotated with the support plate (1) through the sliding ball (14).

7. The asymmetric excavation device for foundation pit based on non-limiting earth pressure according to claim 5, characterized in that: The length of the roller (9) matches the width of the support plate (1), and the roller (9) is rotated outside the fixed frame (11) by a second rotating motor (10), and the bucket (16) is distributed in an inclined annular position on the roller (9).

8. The asymmetric excavation device for foundation pit based on non-limiting earth pressure according to claim 5, characterized in that: The material guide tube (12) is locked and connected to the material extraction tube (6) through a locking ring (13), and the material guide tube (12) is a spring telescopic tube.

9. The asymmetric excavation device for foundation pit based on non-limiting earth pressure according to claim 5, characterized in that: The bucket (16) is installed in a plug-in manner with the roller (9) in a splicing slot (17) via a splicing plug-in block (18), and the splicing plug-in block (18) is locked and fixedly connected to the splicing slot (17) via a first bolt (19).

10. A method for using an asymmetric excavation device for a foundation pit based on non-limiting earth pressure, characterized in that: The asymmetric excavation device for foundation pit according to claim 1 further comprises the following steps: First, the device is assembled and installed with a driving device, and then pushed toward one side of the foundation pit by the driving device; Next, the second rotating motor (10) and the third rotating motor (15) drive the crushing head (8) to rotate and the bucket (16) to flip, thereby excavating and crushing the soil; Then, the auger (7) is driven to rotate by the first rotating motor (5); the turned soil is then spirally guided to one side of the extraction pipe (6) through the auger (7); and then the soil climbs out through the guide pipe (12) to continue excavating; When the bucket (16) needs to be replaced, the first bolt (19) is removed and inserted into the splicing slot (17) and the splicing plug block (18) for replacement; When the material extraction pipe (6) is blocked, the material guide pipe (12) is spirally removed through the locking ring (13) to perform the inner wall cleaning operation.

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