A pile foundation cleaning device for pile foundation construction

Abstract

The present invention discloses a pile foundation bottom cleaning device for pile foundation construction, which relates to the technical field of pile foundation bottom cleaning, including a material collection bin, a main base, a scraping mechanism, a crushing mechanism and a slag discharging mechanism. Under the drive of a power drive unit in the main base, the material collection bin can complete the rotating all-round scraping at the bottom of the foundation pit, and the mud slag is crushed by the crushing mechanism and discharged through the slag discharging mechanism; the electromagnetic connection area is controlled by an electromagnetic control unit in the main base to be powered on and off, and when the pile foundation bottom cleaning device is lowered and lifted, a telescopic rod with a strong magnetic adsorption structure at the bottom is connected to the energized electromagnetic connection area; after the pile foundation bottom cleaning device is lowered into place, the electromagnetic connection area is powered off, the telescopic rod is separated from the main base, and then the pile foundation bottom cleaning device is driven by the power drive unit to complete the foundation pit cleaning work. The pile foundation bottom cleaning device for pile foundation construction has a small size, is not limited by the depth of the foundation pit, is easy to lower and use, and has the advantage of more comprehensive and thorough slag removal.

Description

Technical Field

[0001] The invention relates to the technical field of pile foundation bottom cleaning, in particular to a pile foundation bottom cleaning device for pile foundation construction. Background Art

[0002] Pile foundation is a commonly used deep foundation form, which consists of foundation piles and a cap connected to the top of the pile. If the pile body is completely buried in the soil and the bottom of the cap is in contact with the soil, it is called a low cap pile foundation. If the upper part of the pile body is exposed to the ground and the bottom of the cap is above the ground, it is called a high cap pile foundation. Whether it is a low cap pile foundation or a high cap pile foundation, the bottom of the pile foundation must be cleared after the construction is completed to facilitate the subsequent pouring work. The bottom of the pile foundation needs to be cored and the pile bottom cleaned.

[0003] In the prior art, the pile foundation bottom cleaning equipment mostly uses a supporting structure to set up the equipment at the foundation pit, and then lowers the bottom cleaning part to complete the bottom cleaning of the pile foundation. On the one hand, there are problems such as large equipment size and cumbersome installation and commissioning. On the other hand, for pile foundations with deep foundation pits, there is also the problem of whether the lowering depth of the bottom cleaning part is sufficient. In addition, due to the position restriction of the supporting structure at the foundation pit, the slag cleaning area of ​​the bottom cleaning part is limited, and there is also the problem of incomplete slag cleaning. Summary of the invention

[0004] The purpose of the present invention is to provide a pile foundation bottom cleaning equipment for pile foundation construction to solve the problems existing in the above-mentioned prior art. The equipment is small in size, not limited by the depth of the foundation pit, and is easy to lower and use. At the same time, the pile foundation bottom cleaning equipment also has the advantage of more comprehensive and thorough slag cleaning.

[0005] To achieve the above-mentioned purpose, the present invention provides the following scheme: The present invention provides a pile foundation bottom cleaning equipment for pile foundation construction, comprising a material collection bin, a main base, a scraping mechanism, a crushing mechanism and a slag discharge mechanism, the material collection bin is rotatably installed at the bottom of the main base, a bin door opening is opened in the circumference of the material collection bin, the scraping mechanism is arranged at the bin door opening, and the scraping mechanism is used to scrape and collect mud and slag at the bottom of the foundation pit; the crushing mechanism is arranged in the material collection bin, and the crushing mechanism is used to crush the mud and slag; the slag discharge mechanism is arranged on the main base, and the slag discharge mechanism is used to discharge the mud and slag; the main base is equipped with a power drive unit and an electromagnetic control unit, the power drive unit is used to drive the movement of the material collection bin, the scraping mechanism and the crushing mechanism, and the electromagnetic control unit is used to control the power on and off of the electromagnetic connection area on the top surface of the main base; the pile foundation bottom cleaning equipment is lowered into place by connecting and disconnecting the telescopic rod with the electromagnetic connection area.

[0006] Preferably, a motor cabin is installed on the top of the main base, the power drive unit adopts a drive motor, and a shaft cylinder is also arranged between the bottom surface of the motor cabin and the top surface of the main base, and the rotating shaft of the drive motor passes through the shaft cylinder and enters the main base.

[0007] Preferably, the main base includes a slag storage bin, and the top of the aggregate bin is fixedly connected to an assembly bin, the rotating shaft passes through the slag storage bin and then enters the assembly bin, and the rotating shaft is connected to the center of the assembly bin through a rotating bearing, and the rotating shaft is used to drive the assembly bin to rotate.

[0008] Preferably, a circle of mounting grooves is provided in the circumferential direction of the bottom of the material collecting bin, and a plurality of rollers are evenly installed in the mounting grooves, and the rollers are used to assist the movement of the material collecting bin.

[0009] Preferably, an assembly seat is provided on the top of the collecting bin, and the end of the rotating shaft is installed on the assembly seat through a bearing. A crushing shaft and a transmission shaft are also rotatably installed on both sides of the rotating shaft on the assembly seat, and the driving gear on the rotating shaft is connected to the crushing shaft and the first transmission gear and the second transmission gear on the transmission shaft through a transmission belt.

[0010] Preferably, the scraper mechanism also includes a chain belt, a scraper plate and a fixed plate. The fixed plates are installed on the upper and lower sides of the bin door opening of the collecting bin. The extended ends of the two fixed plates are rotatably installed with driven shafts. The transmission shaft and the driven shaft are connected through the chain belt transmission. A plurality of scraper plates are evenly arranged on the chain belt along the rotation direction of the chain belt.

[0011] Preferably, a crushing bin is also provided in the aggregate bin, the crushing mechanism is located in the crushing bin, the scraping mechanism sends mud into the crushing bin, and a slag discharge port is provided on the top of the crushing bin away from the crushing bin feed side; a slag storage bin connected to the slag discharge port is provided in the main base, and the top of the slag storage bin is connected to the dust suction pump outside the foundation pit through a conveying hose.

[0012] Preferably, an annular slag inlet groove is circumferentially provided at the bottom of the slag storage bin, and the slag discharge port is communicated with the slag inlet groove.

[0013] Compared with the prior art, the present invention has achieved the following beneficial technical effects:

[0014] The pile foundation bottom cleaning equipment for pile foundation construction in the present invention comprises a material collection bin, a main base, a scraping mechanism, a crushing mechanism and a slag discharging mechanism. The material collection bin is the main body of the bottom cleaning equipment. Under the drive of the power drive unit in the main base, the material collection bin can complete the rotating all-round scraping at the bottom of the foundation pit, and the mud slag is crushed by the crushing mechanism and discharged through the slag discharging mechanism; in order to realize the convenient portability of the pile foundation bottom cleaning equipment, in the present invention, an electromagnetic connection area is also arranged on the top of the main base, and the electromagnetic control unit in the main base is used to control the power on and off of the electromagnetic connection area. When the pile foundation bottom cleaning equipment is lowered and lifted, a telescopic rod with a strong magnetic adsorption structure at the bottom is connected to the energized electromagnetic connection area; after the pile foundation bottom cleaning equipment is lowered into place, the electromagnetic connection area is powered off, the telescopic rod is separated from the main base, and then the pile foundation bottom cleaning equipment is driven by the power drive unit to complete the foundation pit cleaning work. The pile foundation bottom cleaning equipment for pile foundation construction has a small equipment volume, is not limited by the depth of the foundation pit, is easy to lower and use, and at the same time, the pile foundation bottom cleaning equipment also has the advantage of more comprehensive and thorough slag removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention 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 present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a schematic diagram of the overall structure of a pile foundation cleaning device for pile foundation construction;

[0017] Figure 2 A schematic diagram of the positions of the main base and the assembly chamber;

[0018] Figure 3 This is a schematic diagram of the internal structure of the aggregate bin;

[0019] Figure 4 This is a schematic diagram of the crushing chamber structure;

[0020] Among them, 1. Aggregate bin; 2. Main base; 3. Electromagnetic connection area; 4. Rotating shaft; 5. Motor compartment; 6. Conveying hose; 7. Feed inlet; 8. Fixed plate; 9. Scraper plate; 10. Assembly bin; 11. Driving gear; 12. First transmission gear; 13. Transmission belt; 14. Crushing knife; 15. Crushing shaft; 16. Second transmission gear; 17. Driven shaft; 18. Chain belt; 19. Crushing bin; 20. Slag discharge port; 21. Slag storage bin. DETAILED DESCRIPTION

[0021] 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.

[0022] The purpose of the present invention is to provide a pile foundation bottom cleaning equipment for pile foundation construction to solve the problems existing in the above-mentioned prior art. The equipment is small in size, not limited by the depth of the foundation pit, and is easy to lower and use. At the same time, the pile foundation bottom cleaning equipment also has the advantage of more comprehensive and thorough slag cleaning.

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0024] like Figure 1-Figure 4 As shown, the present invention provides a pile foundation bottom cleaning equipment for pile foundation construction, comprising an aggregate bin 1, a main base 2, a scraper mechanism, a crushing mechanism and a slag discharge mechanism, the aggregate bin 1 is rotatably installed at the bottom of the main base 2, a bin door opening is opened in the circumference of the aggregate bin 1, the scraper mechanism is arranged at the bin door opening, and the scraper mechanism is used to scrape and collect mud residue at the bottom of the foundation pit; a crushing mechanism is arranged in the aggregate bin 1, and the crushing mechanism is used to crush the mud residue; a slag discharge mechanism is arranged on the main base 2, and the slag discharge mechanism is used to discharge the mud residue; a power drive unit and an electromagnetic control unit are assembled on the main base 2, the power drive unit is used to drive the movement of the aggregate bin 1, the scraper mechanism and the crushing mechanism, and the electromagnetic control unit is used to control the on and off of the electromagnetic connection area 3 on the top surface of the main base 2; the pile foundation bottom cleaning equipment is lowered into place by connecting and disconnecting the telescopic rod with the electromagnetic connection area 3.

[0025] The aggregate bin 1 is used as the main body of the bottom cleaning equipment. Driven by the power drive unit in the main base 2, the aggregate bin 1 can complete the rotating all-round scraping at the bottom of the foundation pit, and the mud residue is crushed by the crushing mechanism and discharged through the slag discharge mechanism; in order to realize the portability of the pile foundation bottom cleaning equipment, in the present invention, an electromagnetic connection area 3 is also arranged on the top of the main base 2, and the power on and off of the electromagnetic connection area 3 is controlled by the electromagnetic control unit in the main base 2. When the pile foundation bottom cleaning equipment is lowered and lifted, a telescopic rod with a strong magnetic adsorption structure at the bottom is connected to the energized electromagnetic connection area 3; after the pile foundation bottom cleaning equipment is lowered into place, the electromagnetic connection area 3 is powered off, the telescopic rod is separated from the main base 2, and then the pile foundation bottom cleaning equipment is driven by the power drive unit to complete the foundation pit cleaning work.

[0026] In one embodiment, a motor cabin 5 is installed on the top of the main base 2, and the power drive unit adopts a drive motor. A shaft cylinder is also arranged between the bottom surface of the motor cabin 5 and the top surface of the main base 2, and the rotating shaft 4 of the drive motor passes through the shaft cylinder and enters the main base 2. The main base 2 includes a slag storage bin 21, and the top of the aggregate bin 1 is fixedly connected with an assembly bin 10. The rotating shaft 4 passes through the slag storage bin 21 and enters the assembly bin 10, and the rotating shaft 4 is connected to the center of the assembly bin 10 through the rotating shaft 4 bearing, and the rotating shaft 4 is used to drive the assembly bin 10 to rotate.

[0027] The assembly bin 10 is fixed on the top of the aggregate bin 1, and the assembly bin 10 and the aggregate bin 1 are rotated by the rotation shaft 4. A circle of mounting grooves is provided around the bottom of the aggregate bin 1, and a plurality of rollers are evenly installed in the mounting grooves. The rollers are used to assist the movement of the aggregate bin 1. The existing pile foundation bottom cleaning equipment can only complete the bottom cleaning of a specific area, and then manually move the position to clean the bottom of the next position. In this application, driven by the rotation shaft 4, the circumferential bottom cleaning with the center of the main base 2 as the origin and the length of the scraping mechanism as the radius can be achieved. In addition, a driving wheel can be inserted in the roller, and the driving wheel can be used to drive the pile foundation bottom cleaning equipment to move to the next position for bottom cleaning after completing the bottom cleaning of the previous area. The driving mechanism can be set in the motor cabin 5, and then a control unit is added in the motor cabin 5. A camera is added around the aggregate bin 1 to control and guide the position movement of the pile foundation bottom cleaning equipment, and the bottom cleaning effect can also be observed. The control unit in the motor cabin 5 is connected to the human-machine interface signal on the foundation pit.

[0028] In one embodiment, a mounting seat is provided at the top of the collecting bin 1, and the end of the rotating shaft 4 is mounted on the mounting seat through a bearing. A crushing shaft 15 and a transmission shaft are also rotatably mounted on both sides of the rotating shaft 4 on the mounting seat. The driving gear 11 on the rotating shaft 4 is connected to the crushing shaft 15 and the first transmission gear 12 and the second transmission gear 16 on the transmission shaft through a transmission belt 13. The rotating shaft 4 drives the driving gear 11 to rotate, and the driving gear 11 drives the first transmission gear 12 and the second transmission gear 16 to rotate through the transmission belt 13. The second transmission gear 16 drives the transmission shaft to rotate, and then the chain belt 18 drives the driven shaft 17 to rotate. The scraping mechanism installed on the chain belt 18 scrapes the mud residue, and the mud residue enters the crushing mechanism position. The crushing shaft 15 is driven by the first transmission gear 12 to make the crushing knife 14 crush the mud residue.

[0029] In one of the embodiments, the scraper mechanism also includes a chain belt 18, a scraper plate 9 and a fixed plate 8. The fixed plates 8 are installed on the upper and lower sides of the bin door opening of the collecting bin 1. The extended ends of the two fixed plates 8 are rotatably installed with driven shafts 17. The transmission shaft and the driven shaft 17 are connected through the chain belt 18. A plurality of scraper plates 9 are evenly arranged on the chain belt 18 along the rotation direction of the chain belt 18.

[0030] In this embodiment, the scraper plate 9 is a scraper plate 9 with an arc. The movement direction of the chain belt 18 is the positive direction, the center of the arc of the scraper plate 9 is located in the positive direction, and one side of the bin door opening is the feed port 7. The inner arc of the scraper plate 9 sends the mud and residue to the feed port 7, and then to the crushing mechanism for crushing.

[0031] In one of the embodiments, a crushing bin 19 is also provided in the aggregate bin 1, and the crushing mechanism is located in the crushing bin 19. The scraping mechanism sends the mud into the crushing bin 19, and a slag discharge port 20 is provided on the top of the crushing bin 19 away from the feeding side of the crushing bin 19; a slag storage bin 21 connected to the slag discharge port 20 is provided in the main base 2, and the top of the slag storage bin 21 is connected to the dust suction pump outside the foundation pit through a conveying hose 6. An annular slag inlet groove is provided at the bottom of the slag storage bin 21, and the slag discharge port 20 is communicated with the slag inlet groove. The slag inlet groove is provided to ensure that even if the aggregate bin 1 is rotating, the slag storage bin 21 can still be connected with the crushing bin 19 at any time, so that the mud slag can be discharged in time without accumulation and blockage; an opening corresponding to the slag discharge port 20 is provided in the assembly bin 10, and the assembly bin 10 rotates integrally with the aggregate bin 1, and the mud slag continuously enters the slag storage bin 21 from the slag discharge port 20, and then under the negative pressure of the dust suction pump, the mud slag in the slag storage bin 21 is transported out of the bottom of the foundation pit.

[0032] It should be noted that it is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, 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, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, 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 are included in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

[0033] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A pile foundation cleaning device for pile foundation construction, characterized in that: It includes a material collection bin, a main base, a scraping mechanism, a crushing mechanism and a slag discharge mechanism. The material collection bin is rotatably mounted on the bottom of the main base. A bin door opening is provided in the circumference of the material collection bin. The scraping mechanism is arranged at the bin door opening. The scraping mechanism is used to scrape and collect the mud and slag at the bottom of the foundation pit. The crushing mechanism is arranged in the material collection bin. The crushing mechanism is used to crush the mud and slag. The main base is provided with the slag discharge mechanism, which is used to discharge mud slag; the main base is equipped with a power drive unit and an electromagnetic control unit, the power drive unit is used to drive the movement of the aggregate bin, the scraping mechanism and the crushing mechanism, and the electromagnetic control unit is used to control the power on and off of the electromagnetic connection area on the top surface of the main base; the pile foundation bottom cleaning equipment is lowered into place by connecting and disconnecting the telescopic rod with the electromagnetic connection area.

2. The pile foundation bottom cleaning equipment for pile foundation construction according to claim 1, characterized in that: A motor cabin is installed on the top of the main base. The power drive unit adopts a drive motor. A shaft cylinder is also arranged between the bottom surface of the motor cabin and the top surface of the main base. The rotating shaft of the drive motor passes through the shaft cylinder and enters the main base.

3. The pile foundation bottom cleaning equipment for pile foundation construction according to claim 2, characterized in that: The main base includes a slag storage bin, and an assembly bin is fixedly connected to the top of the aggregate bin. The rotating shaft passes through the slag storage bin and then enters the assembly bin. The rotating shaft is connected to the center of the assembly bin through a rotating bearing, and the rotating shaft is used to drive the assembly bin to rotate.

4. The pile foundation bottom cleaning equipment for pile foundation construction according to claim 3, characterized in that: A circle of mounting grooves is arranged around the bottom of the material collecting bin, and a plurality of rollers are evenly mounted in the mounting grooves. The rollers are used to assist the movement of the material collecting bin.

5. The pile foundation bottom cleaning equipment for pile foundation construction according to claim 2, characterized in that: An assembly seat is provided on the top of the collecting bin, and the end of the rotating shaft is installed on the assembly seat through a bearing. A crushing shaft and a transmission shaft are also rotatably installed on both sides of the rotating shaft on the assembly seat. The driving gear on the rotating shaft is connected to the first transmission gear and the second transmission gear on the crushing shaft and the transmission shaft through a transmission belt.

6. The pile foundation bottom cleaning equipment for pile foundation construction according to claim 5, characterized in that: The scraper mechanism also includes a chain belt, a scraper plate and a fixed plate. The fixed plates are installed on the upper and lower sides of the bin door opening of the collecting bin. The extended ends of the two fixed plates are rotatably installed with driven shafts. The transmission shaft and the driven shaft are connected through the chain belt transmission. A plurality of scraper plates are evenly arranged on the chain belt along the rotation direction of the chain belt.

7. The pile foundation bottom cleaning equipment for pile foundation construction according to claim 1, characterized in that: A crushing bin is also provided in the aggregate bin, the crushing mechanism is located in the crushing bin, the scraping mechanism sends mud into the crushing bin, and a slag discharge port is provided on the top of the crushing bin away from the feeding side of the crushing bin; a slag storage bin connected to the slag discharge port is provided in the main base, and the top of the slag storage bin is connected to the dust suction pump outside the foundation pit through a conveying hose.

8. The pile foundation bottom cleaning equipment for pile foundation construction according to claim 7, characterized in that: An annular slag inlet groove is circumferentially provided at the bottom of the slag storage bin, and the slag discharge port is communicated with the slag inlet groove.

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