Forming equipment for cement pile manufacturing and manufacturing method

By designing and installing the chuck and crushing teeth on the drill bits and mixing leaves of the cement mixing pile equipment, as well as the guide grooves and grouting ports, the problem of uneven drilling and stirring of the stones during drilling is solved, and a more efficient forming process and better quality cement piles are achieved.

CN119933132AInactive Publication Date: 2025-05-06JIANGSU HUAYUN PILE IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202510181013.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2025-05-06
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

When drilling, existing cement mixing pile equipment is prone to shut down for maintenance due to stone drilling or mixing leaves breakage, which affects the forming efficiency. In addition, uneven mixing causes cement and soil to fail to fully combine and solidify, and the pile body is poorly complete.

Method used

A forming equipment is designed, with mounting slots around the drill bit, crushing blocks are held in the slot, and crushing teeth are installed on the surface and both sides of the broken blocks; guide grooves and grouting ports are provided at the top and bottom ends of the mixing blades, and a winch, deep mixing piles and mixing shafts are installed on the guide frame, and drilling, crushing and stirring are achieved through these components.

Benefits of technology

Effectively prevent stones from being stuck in drilling and mixing leaves, improve drilling efficiency and the forming quality of cement piles, ensure that cement and soil are fully mixed and solidified, and improve the integrity of piles and the strength of the foundation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119933132A_ABST
    Figure CN119933132A_ABST
Patent Text Reader

Abstract

The invention relates to the technical field of forming equipment for cement pile manufacturing, in particular to forming equipment for cement pile manufacturing and a manufacturing method. The forming equipment comprises a drill bit, mounting clamping grooves are formed in the periphery of the drill bit, crushing blocks are clamped in the mounting clamping grooves, and multiple sets of crushing teeth are arranged on the surfaces and the two sides of the crushing blocks; a first guide groove is formed in the top end of the stirring blade, a second guide groove is formed in the bottom end of the stirring blade, the first guide groove is obliquely opposite to the second guide groove, and grouting openings are formed in the positions, at the tops of the first guide groove and the second guide groove, of the stirring blade; the forming equipment for cement pile manufacturing and the manufacturing method have the beneficial effects that when a cement mixing pile is manufactured, a winch at the top of a guide frame starts to control a deep mixing pile through a steel wire rope to drive a mixing shaft to descend, and the deep mixing pile is started to control the mixing shaft to rotate; and a drill bit at the bottom of the stirring shaft starts to punch.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of forming equipment for cement pile manufacturing, in particular to a forming equipment and a manufacturing method for cement pile manufacturing. Background Art

[0002] Cement mixing piles refer to an effective form of soft foundation treatment. It uses cement as the main agent of curing agent. A mixing pile machine is used to spray cement into the soil and fully mix it, so that a series of physical and chemical reactions occur between the cement and the soil, hardening the soft soil and improving the foundation strength.

[0003] In the prior art, when a pile mixing machine is drilling, if the drill bit encounters a stone, the drill bit may sometimes get stuck or the blade may break, causing the equipment to be shut down for maintenance, seriously affecting the efficiency of cement pile forming. In addition, the existing mixing blades often cause uneven mixing, resulting in the cement and soil not being fully combined and solidified, and the pile body integrity is poor. Summary of the invention

[0004] The object of the present invention is to provide a forming device and a manufacturing method for cement piles to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a drill bit, the drill bit is provided with mounting slots around it, a crushing block is clamped in the mounting slots, and a plurality of groups of crushing teeth are provided on the surface and both sides of the crushing block; and a stirring blade, a first guide groove is provided at the top of the stirring blade, a second guide groove is provided at the bottom of the stirring blade, the first guide groove is obliquely opposed to the second guide groove, and the stirring blade is provided with grouting ports at the top of the first guide groove and the second guide groove; a guide frame, a winch is provided on one side of the top of the guide frame, a pile frame is provided on the other side of the top of the guide frame, a support rod is also provided on the top of the guide frame, the support rod supports the pile frame, a deep mixing pile is provided in the middle of the pile frame, and a stirring shaft is provided at the bottom of the deep mixing pile.

[0006] Preferably, the winch is connected with a steel wire rope, and the other end of the steel wire rope is connected to the top of the deep mixing pile. The winch is used by the steel wire rope to drive the deep mixing pile and the mixing shaft at the bottom of the deep mixing pile to rise and fall.

[0007] Preferably, a mortar mixer is provided on one side of the guide frame, and a control cabinet is provided on one side of the mortar mixer. The control cabinet can control the start-up of the mortar mixer, so that the mortar mixer starts to mix cement powder and water into cement slurry, waiting for subsequent use.

[0008] Preferably, one side of the mortar mixer is connected to a mortar pump, one side of the mortar pump is connected to a slurry delivery hose, the other end of the slurry delivery hose is communicated with a first grouting channel opened in the middle of the stirring shaft, and the mortar pump can extract cement slurry from the mortar mixer and transport it to the first grouting channel opened in the middle of the stirring shaft through the slurry delivery hose.

[0009] Preferably, the bottom of the stirring shaft is connected to a drill bit, and the deep stirring pile can drive the drill bit to rotate through the stirring shaft, so that the drill bit can drill holes, and the drill bit can drive the crushing blocks in the surrounding mounting slots to rotate synchronously to crush the stones in the soil.

[0010] Preferably, the drill bit is provided with a telescopic slot on the inner side of the top of the mounting slot, a spring is provided in the telescopic slot, the outer side of the spring is connected to a closing plate, the spring can pop the closing plate out of the telescopic slot, so that the closing plate closes the top opening of the mounting slot and holds the broken block in the mounting slot.

[0011] Preferably, the tops of the closing plate and the crushing block are provided with thread grooves, and the two sets of thread grooves overlap vertically. Screws are inserted into the overlapping thread grooves, so that the closing plate can be clamped and fixed to the crushing block.

[0012] Preferably, stirring blades are provided on both sides of the stirring shaft, and there are multiple groups of stirring blades. The first guide grooves on both sides of the stirring shaft are opposite to the second guide grooves. When the stirring shaft rotates, the first guide grooves and the second guide grooves on one side gather the mud, and the first guide grooves and the second guide grooves on the other side disperse the mud, so that the stirring blades can fully stir the mud.

[0013] Preferably, two groups of second grouting channels are opened inside the stirring blade, and the two groups of second grouting channels are respectively located at the top of the first guide groove and the second guide groove, and the bottom of the second grouting channel is respectively connected to the grouting ports at the top of the first guide groove and the top of the second guide groove, so that the cement slurry entering the first grouting channel can be discharged through the grouting ports.

[0014] A method for manufacturing a forming device for cement pile manufacturing, comprising the following steps:

[0015] Step 1: Drilling. The winch on the top of the guide frame starts to control the deep mixing pile through the wire rope to drive the mixing shaft down, and the deep mixing pile is started, so that the deep mixing pile controls the mixing shaft to rotate, and the drill bit at the bottom of the mixing shaft starts to drill holes, and the soil in the hole is loosened. When encountering stones in the soil, the crushing block in the installation slot is rotated to collide with the stone through the crushing teeth, so that the stone is broken, and the stone is prevented from damaging the mixing shaft and the mixing blades on the top of the mixing shaft;

[0016] Step 2: Stirring. Through the rotation of the stirring shaft, the stirring blades on the stirring shaft begin to stir the mixture of cement slurry and soil. The first guide groove and the second guide groove on one side of the stirring shaft gather the soil and inject cement slurry through the grouting port. The first guide groove and the second guide groove on the other side of the stirring shaft disperse the cement slurry and inject cement slurry through the grouting port. Stir thoroughly to fully mix the soil and cement slurry to form a cement pile.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention provides a forming equipment and manufacturing method for cement pile manufacturing. When the cement mixing pile is prepared, the winch on the top of the guide frame starts to control the deep mixing pile through the wire rope to drive the mixing shaft to descend, and the deep mixing pile is started, so that the deep mixing pile controls the mixing shaft to rotate, and the drill bit at the bottom of the mixing shaft starts to drill holes and loosens the soil in the hole. When encountering stones in the soil, the crushing block in the rotating installation slot starts to collide with the stone through the crushing teeth to crush the stone, thereby preventing the stone from damaging the mixing shaft and the mixing blades at the top of the mixing shaft. When the crushing teeth on the crushing block are damaged, the screw at the top of the closing plate is pulled out from the threaded grooves opened on the closing plate and the top of the crushing teeth, and the closing plate is squeezed to shrink the closing plate into the telescopic groove, and the crushing block is taken out from the installation slot, so that the crushing block can be quickly replaced, thereby preventing the crushing block from being damaged, resulting in insufficient crushing performance and affecting the drilling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the bottom of the stirring shaft of the present invention;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the bottom of the stirring shaft of the present invention;

[0022] Figure 4 for Figure 3 A schematic diagram of the structure enlargement in the middle;

[0023] Figure 5 This is a schematic diagram of the cross-sectional structure of the stirring blade of the present invention;

[0024] Figure 6 It is a schematic diagram of the three-dimensional structure of the broken block of the present invention.

[0025] In the figure: guide frame 1, winch 2, support rod 3, pile frame 4, deep mixing pile 5, mixing shaft 6, drill bit 7, control cabinet 8, mortar mixer 9, mortar pump 10, slurry hose 11, installation slot 12, crushing block 13, crushing teeth 14, stirring blade 15, first guide groove 16, second guide groove 17, first grouting channel 18, second grouting channel 19, grouting port 20, telescopic groove 21, spring 22, closing plate 23, threaded groove 24, screw 25. DETAILED DESCRIPTION

[0026] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit 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 Figures 1 to 6The present invention provides a technical solution: a drill bit 7, the drill bit 7 is provided with mounting slots 12 around it, a crushing block 13 is clamped in the mounting slots 12, and a plurality of crushing teeth 14 are provided on the surface and both sides of the crushing block 13; and a stirring blade 15, the top of the stirring blade 15 is provided with a first guide groove 16, the bottom of the stirring blade 15 is provided with a second guide groove 17, the first guide groove 16 and the second guide groove 17 are obliquely opposed, and the stirring blade 15 is provided with a grouting port 20 at the top of the first guide groove 16 and the second guide groove 17; a guide frame 1, a winch 2 is provided on one side of the top of the guide frame 1, a pile frame 4 is provided on the other side of the top of the guide frame 1, and a support rod 3 is provided on the top of the guide frame 1, and the support rod 3 is used to support the pile frame 4 A deep mixing pile 5 is arranged in the middle of the pile frame 4, and a mixing shaft 6 is arranged at the bottom of the deep mixing pile 5; a steel wire rope is connected to the winch 2, and the other end of the steel wire rope is connected to the top of the deep mixing pile 5. The winch 2 is the steel wire rope that drives the deep mixing pile 5 and the mixing shaft 6 at the bottom of the deep mixing pile 5 to rise and fall; a mortar mixer 9 is arranged on one side of the guide frame 1, and a control cabinet 8 is arranged on one side of the mortar mixer 9. The control cabinet 8 can control the mortar mixer 9 to start, so that the mortar mixer 9 starts to mix cement powder and water into cement slurry, waiting for subsequent use; a mortar pump 10 is connected to one side of the mortar pump 10, and a slurry hose 11 is connected to one side of the mortar pump 10. The other end of the slurry hose 11 is connected to The first grouting channel 18 opened in the middle of the stirring shaft 6 is connected, and the mortar pump 10 can extract cement slurry from the mortar mixer 9 and transport it to the first grouting channel 18 opened in the middle of the stirring shaft 6 through the slurry delivery hose 11; the bottom of the stirring shaft 6 is connected to the drill bit 7, and the deep mixing pile 5 can drive the drill bit 7 to rotate through the stirring shaft 6, so that the drill bit 7 can drill holes, and the drill bit 7 can drive the crushing blocks 13 in the surrounding mounting slots 12 to rotate synchronously to crush the stones in the soil; the drill bit 7 is provided with a telescopic groove 21 on the inner side of the top of the mounting slot 12, and a spring 22 is provided in the telescopic groove 21. The outer side of the spring 22 is connected to the closing plate 23, and the spring 22 can pop the closing plate 23 out of the telescopic groove 21 to make the closing plate 23 The closing plate 23 closes the top opening of the mounting slot 12, and holds the crushing block 13 in the mounting slot 12; threaded grooves 24 are provided on the top of the closing plate 23 and the crushing block 13, and the two groups of threaded grooves 24 overlap vertically. The screw 25 is inserted into the overlapping threaded grooves 24, so that the closing plate 23 can hold and fix the crushing block 13; stirring blades 15 are provided on both sides of the stirring shaft 6, and the stirring blades 15 are provided with multiple groups. The first guide grooves 16 and the second guide grooves 17 on both sides of the stirring shaft 6 are opposite to each other. When the stirring shaft 6 rotates, the first guide grooves 16 and the second guide grooves 17 on one side gather the mud, and the first guide grooves 16 and the second guide grooves 17 on the other side disperse the mud, so that the stirring blades 15 fully stir the mud;Two sets of second grouting channels 19 are provided inside the stirring blade 15. The two sets of second grouting channels 19 are respectively located at the top of the first guide groove 16 and the second guide groove 17. The bottom of the second grouting channel 19 is respectively connected to the grouting ports 20 at the top of the first guide groove 16 and the top of the second guide groove 17. The cement slurry entering the first grouting channel 18 can be discharged through the grouting ports 20. ;

[0028] When the mixing pile 5 is in the working state, the mixing shaft 6 is moved downwards by the pulley 21 and the mixing shaft 6 is moved downwards by the pulley 22. When the mixing pile 5 is in the working state, the pulley 22 is moved upwards by the pulley 23 and the mixing shaft 6 is moved downwards by the pulley 23. When the mixing pile 5 is in the working state, the pulley 22 is moved upwards by the pulley 23 and the mixing shaft 6 is moved upwards. Its crushing performance is insufficient, which affects the efficiency of drilling. When the drilling is completed, the control cabinet 8 controls the mortar mixer 9 to start, and starts to mix the water and cement powder in the mortar mixer 9 into cement slurry, and enables the mortar pump 10 to extract the cement slurry and transport it through the grouting hose 11 to the first grouting channel 18 opened in the middle of the stirring shaft 6. After that, the cement slurry flows into the second grouting channel 19 through the first grouting channel 18, and then flows out from the grouting port 20 at the bottom of the second grouting channel 19 to inject cement slurry into the hole. At the same time, through the rotation of the stirring shaft 6, the stirring blades 15 on the stirring shaft 6 begin to stir the mixture of cement slurry and soil. The first guide groove 16 and the second guide groove 17 on one side of the stirring shaft 6 gather the soil and inject cement slurry through the grouting port 20. The first guide groove 16 and the second guide groove 17 on the other side of the stirring shaft 6 disperse the cement slurry and inject cement slurry through the grouting port 20, and stir it fully so that the soil and cement slurry are fully mixed to form a cement pile.

[0029] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A forming device for cement pile manufacturing, characterized in that: include: A drill bit (7), the drill bit (7) is provided with mounting slots (12) around it, a crushing block (13) is clamped in the mounting slots (12), and a plurality of groups of crushing teeth (14) are provided on the surface and both sides of the crushing block (13); and A stirring blade (15), wherein a first guide groove (16) is provided at the top end of the stirring blade (15), a second guide groove (17) is provided at the bottom end of the stirring blade (15), the first guide groove (16) and the second guide groove (17) are obliquely opposed to each other, and the stirring blade (15) is provided with a grouting port (20) at the top of the first guide groove (16) and the second guide groove (17); A guide frame (1) is provided with a winch (2) on one side of the top of the guide frame (1), a pile frame (4) is provided on the other side of the top of the guide frame (1), a support rod (3) is provided on the top of the guide frame (1), the support rod (3) supports the pile frame (4), a deep mixing pile (5) is provided in the middle of the pile frame (4), and a mixing shaft (6) is provided at the bottom of the deep mixing pile (5).

2. A forming device for cement pile manufacturing according to claim 1, characterized in that: The hoist (2) is connected to a steel wire rope, and the other end of the steel wire rope is connected to the top of the deep mixing pile (5). You can hear that the hoist (2) is driven by the steel wire rope to lift the deep mixing pile (5) and the mixing shaft (6) at the bottom of the deep mixing pile (5).

3. A forming device for cement pile manufacturing according to claim 2, characterized in that: A mortar mixer (9) is arranged on one side of the guide frame (1), and a control cabinet (8) is arranged on one side of the mortar mixer (9). The control cabinet (8) can control the mortar mixer (9) to start, so that the mortar mixer (9) starts to mix cement powder and water into cement slurry, waiting for subsequent use.

4. The forming equipment for cement pile manufacturing according to claim 3 is characterized in that: One side of the mortar mixer (9) is connected to a mortar pump (10), and one side of the mortar pump (10) is connected to a grouting hose (11). The other end of the grouting hose (11) is connected to a first grouting channel (18) opened in the middle of the stirring shaft (6). The mortar pump (10) can extract cement slurry from the mortar mixer (9) and transport it to the first grouting channel (18) opened in the middle of the stirring shaft (6) through the grouting hose (11).

5. A forming device for cement pile manufacturing according to claim 4, characterized in that: The bottom of the stirring shaft (6) is connected to a drill bit (7), and the deep stirring pile (5) can drive the drill bit (7) to rotate through the stirring shaft (6), so that the drill bit (7) can drill holes, and the drill bit (7) can drive the crushing blocks (13) in the surrounding mounting slots (12) to rotate synchronously, so as to crush the stones in the soil.

6. A forming device for cement pile manufacturing according to claim 5, characterized in that: The drill bit (7) is provided with a telescopic groove (21) on the inner side of the top of the mounting slot (12), a spring (22) is arranged in the telescopic groove (21), the outer side of the spring (22) is connected to a closing plate (23), and the spring (22) can pop the closing plate (23) out of the telescopic groove (21), so that the closing plate (23) closes the top opening of the mounting slot (12), and the crushing block (13) is clamped in the mounting slot (12).

7. A forming device for cement pile manufacturing according to claim 6, characterized in that: The tops of the closing plate (23) and the crushing block (13) are provided with thread grooves (24), and the two sets of thread grooves (24) overlap vertically. The screw rods (25) are inserted into the overlapping thread grooves (24), so that the closing plate (23) can clamp and fix the crushing block (13).

8. The forming equipment for cement pile manufacturing according to claim 7 is characterized in that: Stirring blades (15) are arranged on both sides of the stirring shaft (6), and the stirring blades (15) are arranged in multiple groups. The first guide grooves (16) and the second guide grooves (17) on both sides of the stirring shaft (6) are opposite to each other. When the stirring shaft (6) rotates, the first guide grooves (16) and the second guide grooves (17) on one side gather the mud, and the first guide grooves (16) and the second guide grooves (17) on the other side disperse the mud, so that the stirring blades (15) fully stir the mud.

9. A forming device for cement pile manufacturing according to claim 8, characterized in that: Two groups of second grouting channels (19) are provided inside the stirring blade (15). The two groups of second grouting channels (19) are respectively located at the top of the first guide groove (16) and the top of the second guide groove (17). The bottom of the second grouting channel (19) is respectively connected to the grouting ports (20) at the top of the first guide groove (16) and the top of the second guide groove (17). The cement slurry entering the first grouting channel (18) can be discharged through the grouting ports (20).

10. A method for manufacturing a forming device for cement pile manufacturing according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: drilling holes. The winch (2) on the top of the guide frame (1) starts to control the deep mixing pile (5) through the steel wire rope to drive the mixing shaft (6) to descend, and the deep mixing pile (5) is started, so that the deep mixing pile (5) controls the mixing shaft (6) to rotate, so that the drill bit (7) at the bottom of the mixing shaft (6) starts to drill holes and loosens the soil in the hole. When encountering stones in the soil, the crushing block (13) in the mounting slot (12) starts to collide with the stone through the crushing teeth (14), so that the stone is crushed, and the stone is prevented from damaging the mixing shaft (6) and the mixing blade (15) at the top of the mixing shaft (6); Step 2: stirring. By rotating the stirring shaft (6), the stirring blades (15) on the stirring shaft (6) begin to stir the mixture of cement slurry and soil. The first guide groove (16) and the second guide groove (17) on one side of the stirring shaft (6) gather the soil and inject cement slurry through the grouting port (20). The first guide groove (16) and the second guide groove (17) on the other side of the stirring shaft (6) disperse the cement slurry and inject cement slurry through the grouting port (20). The mixture is stirred thoroughly so that the soil and cement slurry are fully mixed to form a cement pile.