Cement soil stirring device

The design of a detachable stirring shaft and support structure solves the problem of damage to the drive components when the stirring shaft collides, enabling convenient replacement of the stirring shaft and improving the stability of construction.

CN223880324UActive Publication Date: 2026-02-06SICHUAN LIJI CONSTRUCT CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520181766.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-05
Publication Date
2026-02-06
Estimated Expiration
2035-02-05

AI Technical Summary

Technical Problem

The mixing shaft of existing cement mixing pile machines vibrates violently when it encounters hard soil or rocks, causing damage to the drive components, affecting the construction progress, and making replacement difficult.

Method used

The design features a detachable stirring shaft and connecting shaft, combined with a support structure including a support plate, a pressure plate, and an annular sleeve, all connected by bolts. This enhances the stability of the stirring shaft and reduces the impact on the drive components.

Benefits of technology

It enables convenient replacement of the mixing shaft and protects the drive components in the event of a collision, thereby improving construction efficiency and equipment stability.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223880324U_ABST
    Figure CN223880324U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of building construction, in particular to a cement soil stirring device which comprises a cement stirring pile machine and a supporting structure connected with the cement stirring pile machine, the cement stirring pile machine comprises a stirring shaft and a connecting shaft, the stirring shaft and the connecting shaft are detachably connected, and the supporting structure comprises a supporting plate and a pressing connection plate. A groove is formed in the supporting plate, the groove is formed in the position of a connecting point of the stirring shaft and the connecting shaft, the compression joint plate is connected to the inner side of the groove in a sliding mode, and the position of the compression joint plate is adjusted so that the compression joint plate can abut against the position of the connecting point of the stirring shaft and the connecting shaft. The pressing plate abuts against the connecting point position of the connecting shaft and the stirring shaft, so that the stirring shaft is more stable in the rotating process, the stirring quality is improved, meanwhile, the supporting structure can achieve the force unloading effect when the stirring shaft collides, and the situation that the stirring shaft damages the driving part in the collision process is avoided to the maximum extent.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction technical field, especially a cement soil mixing device. BACKGROUND

[0002] Before the foundation pit is excavated, the cement mixing pile machine is used to drill holes on the ground, the stirring shaft is inserted into the hole to spray cement into the soil and fully stir, so that the cement is mixed with the soil, the soft soil is hardened, and the cement-soil pile with integrity, water stability and certain strength is formed.

[0003] The existing cement mixing pile machine stirring shaft and driving part are directly connected, because the stirring shaft is relatively long, when hard soil layer or stone is encountered in the drilling process, the stirring shaft will vibrate violently in the process of collision, the vibration is transmitted to the driving part, the quality of the driving part is affected, and the driving part is damaged more seriously, so that the driving part can only be removed and replaced, a large amount of time and energy are consumed during subsequent replacement, and the construction progress is affected. UTILITY MODEL CONTENTS

[0004] In view of the technical problems in the background art, the utility model aims at providing a cement soil mixing device which is convenient to replace when the stirring shaft is damaged, and can reduce the impact force of the stirring shaft on the driving part.

[0005] To achieve the above-mentioned purpose, the utility model provides a technical scheme:

[0006] A cement soil mixing device, comprising a cement mixing pile machine and a supporting structure connected with the cement mixing pile machine, the cement mixing pile machine comprising a stirring shaft and a connecting shaft, the stirring shaft and the connecting shaft being detachably connected, the supporting structure comprising a supporting plate and a pressing plate, the supporting plate being provided with a groove, the groove being arranged at the connecting point position of the stirring shaft and the connecting shaft, and the pressing plate being slidably connected to the inner side of the groove, the position of the pressing plate being adjusted so that the pressing plate abuts at the connecting point position of the stirring shaft and the connecting shaft.

[0007] As a preferred, the cement mixing pile machine further comprises a driving part, and the connecting shaft is connected with the driving part.

[0008] As a preferred, the supporting plate is detachably provided with a connecting plate, one end of the connecting plate being connected with the driving part.

[0009] As a preferred, the stirring shaft is provided with a protruding rod, the connecting shaft is provided with a channel, and the protruding rod is inserted into the channel.

[0010] As a preferred, the connecting shaft is provided with a limiting hole I, the limiting hole I is communicated with the channel, the protruding rod is provided with a limiting hole II, and the limiting hole I and the limiting hole II are aligned when the stirring shaft and the connecting shaft are connected.

[0011] As preferred, the support structure further comprises a ring sleeve, one end of the ring sleeve is connected with the connecting shaft, and the other end is connected with the stirring shaft.

[0012] As preferred, two sides of the support plate are provided with connecting holes, the connecting holes are communicated with the grooves, and the fixing rods are detachably arranged in the connecting holes.

[0013] As preferred, the crimping plate is provided with a connecting groove, and the fixing rod extends into the connecting groove.

[0014] The utility model has the advantages and beneficial effects that:

[0015] In the utility model, the connecting shaft and the stirring shaft are connected in a detachable mode, can be directly removed and replaced when the stirring shaft is damaged, and the support structure is arranged, the crimping plate abuts at the connecting point position of the connecting shaft and the stirring shaft, the stirring shaft is more stable in the rotating process, the stirring quality is increased, meanwhile, the support structure can play the force unloading effect when the stirring shaft collides, and the stirring shaft damage to the driving part in the collision process is greatly avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A structural schematic view of the cement soil stirring device is provided.

[0017] Figure 2 A support structure connection schematic view of the cement soil stirring device is provided.

[0018] Figure 3 A connecting shaft and stirring shaft connection sectional view of the cement soil stirring device is provided.

[0019] Figure 4 A connecting sectional view of the cement soil stirring device is provided.

[0020] Figure 5 A connecting shaft and stirring shaft connection position sectional view of the cement soil stirring device is provided.

[0021] The figure mark: 1-cement stirring pile machine, 101-support frame body, 102-driving part, 2-connecting shaft, 21-groove, 22-limit hole I, 3-stirring shaft, 31-convex rod, 32-limit hole II, 33-limit hole III, 4-support plate, 41-groove, 5-ring sleeve, 51-connecting hole I, 52-connecting hole II, 6-crimping plate, 61-through groove, 62-connecting groove, 7-bolt I, 71-bolt II, 8-fixing rod, 81-connecting hole, 9-connecting plate. DETAILED DESCRIPTION

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0024] Example

[0025] like Figures 1-5 As shown, a cement-soil mixing device includes a cement mixing pile machine 1 and a support structure connected to the cement mixing pile machine 1. The cement mixing pile machine 1 includes a support frame 101, a driving component 102, a mixing shaft 3, and a connecting shaft 2. The support structure includes an annular sleeve 5, a support plate 4, and a pressing plate 6. The driving component 102, the mixing shaft 3, and the connecting shaft 2 are connected to the support frame 101. The connecting shaft 2 is connected to the driving component 102. The driving component 102 is a motor that drives the connecting shaft 2 to rotate. One end of the driving component 102 is connected to the support frame 101 via a steel cable. In the initial position, the steel cable tightens the driving component 102, placing the driving component 102 on the upper part of the support frame 101. During drilling and mixing, the tension of the steel cable is adjusted to move the driving component 102 toward the ground.

[0026] like Figures 1-5As shown, the stirring shaft 3 is provided with a convex rod 31, the convex rod 31 is provided with a plurality of protrusions around, the connecting shaft 2 is provided with a groove 21 which is the same shape as the convex rod 31, the convex rod 31 is inserted into the groove 21, the protrusions can increase the contact area between the stirring shaft 3 and the connecting shaft 2, and strengthen the connection strength between the stirring shaft 3 and the connecting shaft 2, the connecting shaft 2 is provided with a limiting hole I 22, the limiting hole I 22 is communicated with the groove 21, the convex rod 31 is provided with a limiting hole II 32, when the stirring shaft 3 and the connecting shaft 2 are connected, the limiting hole I 22 and the limiting hole II 32 are aligned, the stirring shaft 3 is provided with a limiting hole III 33, the annular sleeve 5 is arranged at the connecting point of the stirring shaft 3 and the connecting shaft 2, the upper end of the annular sleeve 5 is provided with a connecting hole I 51, the connecting hole I 51 is aligned with the limiting hole I 22, a bolt I 7 is arranged in the connecting hole I 51, the bolt I 7 passes through the connecting hole I 51 and then penetrates into the limiting hole I 22 and the limiting hole II 32, so as to fix the stirring shaft 3 and the connecting shaft 2, the lower end of the annular sleeve 5 is provided with a connecting hole II 52, a bolt II 71 is arranged in the connecting hole II 52, the bolt II 71 passes through the connecting hole II 52 and then penetrates into the limiting hole III 33, the annular sleeve 5 further strengthens the connection strength between the stirring shaft 3 and the connecting shaft 2, so that the connecting shaft 2 can drive the stirring shaft 3 to rotate stably during rotation.

[0027] As shown in the figure, Figures 1-5 The support structure includes a support plate 4 and a pressure plate 6, the support plate 4 is provided with a groove 41, the groove 41 is arranged at the connecting point of the stirring shaft 3 and the connecting shaft 2, the support plate 4 is detachably provided with a connecting plate 9, one end of the connecting plate 9 is connected with a driving part 102, when the driving part 102 moves, the support plate 4 moves synchronously through the connecting plate 9, both sides of the support plate 4 are provided with connecting holes 81, the connecting holes 81 are communicated with the groove 41, the connecting holes 81 are detachably provided with fixing rods 8, the pressure plate 6 is provided with connecting grooves 62, the fixing rods 8 extend into the connecting grooves 62, the pressure plate 6 is arc-shaped, and the pressure plate 6 is provided with at least two, when the stirring shaft 3 and the connecting shaft 2 are connected, the position of the fixing rod 8 is adjusted, so that one end of the fixing rod 8 moves towards the stirring shaft 3, and the pressure plate 6 is placed at the connecting point of the stirring shaft 3 and the connecting shaft 2, the fixing rod 8 extends into the connecting groove 62, and the pressure plate 6 abuts against the stirring shaft 3 and the connecting shaft 2, a plurality of through grooves 61 are formed in the inner wall of the pressure plate 6, during the rotation of the connecting shaft 2, the bolt I 7 and the bolt II 71 are in the through grooves 61, and do not interfere with the pressure plate 6, when the stirring shaft 3 and the soil collide violently, part of the force is transmitted to the support structure, the support structure can greatly prevent the collision force from damaging the driving part 102, and the support structure can make the stirring shaft 3 more stable during rotation, improve the quality of drilling and stirring, and the support structure is integrally connected in a detachable manner, when the internal force of the support structure causes the structure to be damaged, the support structure can be easily disassembled and replaced.

[0028] The above merely is preferred embodiment of the present utility model, and does not for limiting the present utility model, for the person skilled in the art, the present utility model can have various changes and changes, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the present utility model, should include in the protection scope of the present utility model.

Claims

1. A cement-soil mixing device, comprising a cement mixing pile machine and a support structure connected to the cement mixing pile machine, characterized in that, The cement mixing pile machine includes a mixing shaft and a connecting shaft, which are detachably connected. The support structure includes a support plate and a pressing plate. The support plate is provided with a groove, which is located at the connection point of the mixing shaft and the connecting shaft. The pressing plate is slidably connected to the inside of the groove. The position of the pressing plate is adjusted so that the pressing plate abuts against the connection point of the mixing shaft and the connecting shaft.

2. The cement-soil mixing device according to claim 1, characterized in that, The cement mixing pile machine also includes a drive component, and the connecting shaft is connected to the drive component.

3. The cement-soil mixing device according to claim 2, characterized in that, A connecting plate is detachably provided on the support plate, and one end of the connecting plate is connected to the driving component.

4. The cement-soil mixing device according to claim 1, characterized in that, The stirring shaft is provided with a protruding rod, and the connecting shaft is provided with a channel, and the protruding rod is inserted into the channel.

5. A cement-soil mixing device according to claim 4, characterized in that, The connecting shaft is provided with a limiting hole I, which is connected to the channel. The protruding rod is provided with a limiting hole II. When the stirring shaft and the connecting shaft are connected, the limiting hole I and the limiting hole II are aligned.

6. A cement-soil mixing device according to claim 1, characterized in that, The support structure also includes an annular sleeve, one end of which is connected to a connecting shaft and the other end of which is connected to a stirring shaft.

7. A cement-soil mixing device according to claim 1, characterized in that, The support plate has connecting holes on both sides, which are connected to the groove. A fixing rod is detachably installed in the connecting hole.

8. A cement-soil mixing device according to claim 7, characterized in that, The pressing plate is provided with a connecting groove, and the fixing rod extends into the connecting groove.