CFG pile construction device

Abstract

The utility model provides a CFG pile construction device which is characterized in that a hopper is arranged on the upper surface of a hopper fixing platform at the uppermost end of a main supporting module, the lower portion of the hopper is connected with a valve body, the top of the valve body is connected with the lower surface of the hopper fixing platform, the lower portion of the valve body is connected with a grouting module, the front face of the valve body is connected with a discharging pipe, and the rear portion of the valve body is connected with a valve element driving module. A second supporting module is arranged in the grouting module and used for fixing a cylinder body in the grouting module, the grouting module drives a plunger rod on the lower portion of the cylinder body to move through a crank rocker mechanism, a power assembly and a valve element driving module of the grouting module are arranged on a main supporting module, and a flow sensor and a pressure sensor are arranged on a discharging pipe. The flow sensor and the pressure sensor are both connected with a power assembly of the grouting module and the valve element driving module. According to the CFG pile construction device, the grouting quality and the construction efficiency in the CFG pile construction process are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to CFG pile construction technical field, especially relate to a CFG pile construction device. BACKGROUND

[0002] CFG pile is a common ground treatment technology, mainly used for improving the bearing capacity and stability of soft ground. CFG pile is made of cement, fly ash and gravel (or sand) in a certain proportion, which has good mechanical properties and economy. In the construction process, the drilling, pumping and grouting of concrete and grouting process are very important to the pile quality of CFG pile.

[0003] At present, the CFG pile grouted by the grouting equipment in the CFG construction process needs to pay special attention to the protection of the rock structure, so as to achieve the effect of increasing the bearing capacity and stability of the strong foundation, but the modules of the grouting equipment itself adopt decentralized control, the running efficiency of the grouting process is low, and the finished product quality of the CFG pile is difficult to guarantee. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at providing a CFG pile construction device to solve the problem that the CFG pile grouted by the grouting equipment in the CFG construction process needs to pay special attention to the protection of the rock structure, so as to achieve the effect of increasing the bearing capacity and stability of the strong foundation, but the modules of the grouting equipment itself adopt decentralized control, the running efficiency of the grouting process is low, and the finished product quality of the CFG pile is difficult to guarantee.

[0005] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0006] The utility model provides a CFG pile construction device, which comprises a hopper, a valve body, a grouting module, a valve core driving module, a main support module and a discharge pipe, the hopper is arranged on the upper surface of the hopper fixing platform at the uppermost end of the main support module, the lower part of the hopper is connected with the valve body, the top of the valve body is connected with the lower surface of the hopper fixing platform and the lower part is connected with the grouting module, the front of the valve body is connected with the discharge pipe, the rear of the valve body is connected with the valve core driving module, the second support module is arranged in the grouting module, the second support module is used for fixing the cylinder body in the grouting module, the grouting module drives the plunger rod at the lower part of the cylinder body to move through a crank rocker mechanism, the power assembly of the grouting module and the valve core driving module are arranged on the main support module, the flow sensor and the pressure sensor are arranged on the discharge pipe, the flow sensor and the pressure sensor are connected with the power assembly of the grouting module and the valve core driving module.

[0007] Furthermore, the valve core shaft inside the valve body is connected to the valve core drive module. The valve core drive module includes a second motor and a second coupling. The second motor is connected to the frame in the main support module. The valve core shaft is connected to the second motor through the second coupling. The second motor is connected to the flow sensor and the pressure sensor.

[0008] Furthermore, the grouting module includes a cylinder body, a plunger rod, a first motor, a first coupling, a connecting rod, a connecting rod hinge seat, a first universal joint bearing, and a crank. The plunger rod is fixed inside the cylinder body, and the connecting rod hinge seat is fixed on the plunger rod. The connecting rod hinge seat has an opening, which is fastened with bolts. The side of the connecting rod hinge seat is connected to the connecting rod through the first universal joint bearing, and the other end of the connecting rod is connected to the crank through a second universal joint bearing. The crank is connected to the first motor through the first coupling, and the first motor is connected to a flow sensor and a pressure sensor.

[0009] Furthermore, the second support module includes a fixed plate, guide columns, fixing screws, fixing nuts, an adjusting base plate, and a shaft seat. The upper surface of the fixed plate is connected to the cylinder body, and the guide columns are provided at the four corners of the lower part of the fixed plate. The lower ends of the guide columns are connected to the frame connecting base plate through the shaft seats. The fixing screws and fixing nuts fix the four corners of the adjusting base plate to the frame connecting base plate.

[0010] Furthermore, the hopper is funnel-shaped and has a first connecting flange at the bottom, which is sealed to the contact surface of the hopper fixing platform.

[0011] Furthermore, the second motor is equipped with a second motor encoder, the first motor is equipped with a first motor encoder, the second motor encoder is connected to the first motor encoder, the flow sensor, and the pressure sensor, and the first motor encoder is connected to the flow sensor and the pressure sensor.

[0012] Furthermore, the main support module includes a hopper fixing platform, a frame, foot cups, and a frame connecting base plate. The frame is composed of several steel sections, and a rectangular hopper fixing platform is provided on the top of the frame. The frame connecting base plate is provided on the upper surface of the bottom layer of steel sections of the frame. The first motor inside the grouting module is fixed on the frame connecting base plate.

[0013] Compared with existing technologies, the CFG pile construction device of this utility model has the following advantages:

[0014] (1) In this utility model, the second motor connected to the valve core shaft controls the rotation position of the valve core, thereby achieving precise adjustment of the valve core position and ensuring the flow rate and pressure of the slurry output from the discharge pipe. The motor connected to the plunger rod drives the reciprocating motion of the plunger rod through a crank-rocker mechanism to achieve the intake and discharge of slurry. Through precise control of the first motor, the speed and stroke of the plunger rod are precisely adjusted, thereby controlling the flow rate and pressure of the slurry. The coordinated control of the actions of the second motor and the first motor ensures that the movement of the plunger rod and the opening and closing action of the valve core are synchronized, avoiding slurry backflow and excessive fluctuations in the output slurry pressure, which would affect the pile formation quality of the CFG pile.

[0015] (2) The overall grouting process of this utility model is driven by the flow sensor and pressure sensor on the discharge pipe to coordinate the operation of the second motor and the first motor, thereby significantly improving the grouting quality and construction efficiency of CFG pile construction. Moreover, the device is small in size and light in weight, and can effectively protect the rock structure when grouting in shallow layers. Attached Figure Description

[0016] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.

[0017] In the attached diagram:

[0018] Figure 1 This is an axonometric schematic diagram of the CFG pile construction device described in an embodiment of this utility model;

[0019] Figure 2 This is an enlarged schematic diagram of point B in the isometric view of the CFG pile construction device described in this embodiment of the present invention;

[0020] Figure 3 This is a front view schematic diagram of the CFG pile construction device described in an embodiment of this utility model;

[0021] Figure 4 This is a cross-sectional view at point AA in the main view of the CFG pile construction device described in this embodiment of the utility model.

[0022] Explanation of reference numerals in the attached figures:

[0023] 1. Hopper; 2. Hopper fixing platform; 3. Frame; 4. Discharge pipe; 5. First motor; 6. First coupling; 7. Foot cup; 8. Connecting rod; 9. Fixing screw; 10. Adjusting base plate; 11. Frame connecting base plate; 12. Shaft seat; 13. Cylinder body; 14. Guide column; 15. Valve body; 16. Connecting rod hinge seat; 17. Crank; 18. Second motor; 19. Valve core; 20. Fixing plate. Detailed Implementation

[0024] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0025] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0028] See Figures 1-4 As shown, this embodiment provides a CFG pile construction device, including a hopper 1, a valve body 15, a grouting module, a valve core drive module, a main support module, and a discharge pipe 4. The hopper 1 is located on the upper surface of the hopper fixing platform 2 at the top of the main support module. The lower part of the hopper 1 is connected to the valve body 15. The top of the valve body 15 is connected to the lower surface of the hopper fixing platform 2, and the lower part is connected to the grouting module. The discharge pipe 4 is connected to the front of the valve body 15, and the valve core drive module is connected to the rear of the valve body 15. The grouting module contains a second support module, which is used to fix the cylinder 13 inside the grouting module. The grouting module uses a crank rocker mechanism to drive the piston rod at the bottom of the cylinder 13 to move. The power component and valve core drive module of the grouting module are located on the main support module. A flow sensor and a pressure sensor are installed on the discharge pipe 4. The flow sensor and the pressure sensor are both connected to the power component and valve core drive module of the grouting module.

[0029] Specifically, in this embodiment, the valve core shaft of the valve core 19 inside the valve body 15 is connected to the valve core drive module. The valve core drive module includes a second motor 18 and a second coupling. The second motor 18 is connected to the frame 3 in the main support module. The valve core shaft of the valve core 19 is connected to the second motor 18 through the second coupling. The second motor 18 is connected to the flow sensor and the pressure sensor.

[0030] Specifically, in this embodiment, the grouting module includes a cylinder body 13, a plunger rod, a first motor 5, a first coupling 6, a connecting rod 8, a connecting rod hinge seat 16, a first universal joint bearing, and a crank 17. The plunger rod is fixed inside the cylinder body 13, and the connecting rod hinge seat 16 is fixed on the plunger rod. The connecting rod hinge seat 16 has an opening, which is fastened with bolts. The side of the connecting rod hinge seat 16 is connected to the connecting rod 8 through the first universal joint bearing, and the other end of the connecting rod 8 is connected to the crank 17 through the second universal joint bearing. The crank 17 is connected to the first motor 5 through the first coupling 6, and the first motor 5 is connected to a flow sensor and a pressure sensor.

[0031] Specifically, in this embodiment, the second support module includes a fixed plate 20, guide posts 14, fixing screws 9, fixing nuts, an adjusting base plate 10, and a shaft seat 12. The upper surface of the fixed plate 20 is connected to the cylinder body 13. Guide posts 14 are provided at the four corners of the lower part of the fixed plate 20. The lower end of the guide posts 14 is connected to the frame connecting base plate 11 through the shaft seat 12. The fixing screws 9 and fixing nuts fix the four corners of the adjusting base plate 10 to the frame connecting base plate 11.

[0032] Specifically, in this embodiment, the hopper 1 is funnel-shaped and has a first connecting flange at the bottom, which is sealed to the hopper fixing platform 2.

[0033] Specifically, in this embodiment, the second motor 18 is equipped with a second motor encoder, the first motor 5 is equipped with a first motor encoder, the second motor encoder is connected to the first motor encoder, the flow sensor and the pressure sensor, and the first motor encoder is connected to the flow sensor and the pressure sensor.

[0034] Specifically, in this embodiment, the main support module includes a hopper fixing platform 2, a frame 3, a foot cup 7, and a frame connecting base plate 11. The frame 3 is composed of several steel sections. A rectangular hopper fixing platform 2 is provided on the top of the frame 3. The frame connecting base plate 11 is provided on the upper surface of the bottom layer of steel sections of the frame 3. The first motor 5 inside the grouting module is fixed on the frame connecting base plate 11.

[0035] In this embodiment, the second motor connected to the valve core shaft controls the rotation position of the valve core, achieving precise adjustment of the valve core position while ensuring the flow rate and pressure of the slurry output from the outlet pipe. The motor connected to the plunger rod drives the reciprocating motion of the plunger rod through a crank-rocker mechanism, realizing the intake and discharge of slurry. Through precise control of the first motor, the speed and stroke of the plunger rod are precisely adjusted, thereby controlling the flow rate and pressure of the slurry. The coordinated control of the second and first motors ensures that the movement of the plunger rod and the opening and closing of the valve core are synchronized, avoiding slurry backflow and excessive fluctuations in the output slurry pressure, which would affect the pile formation quality of the CFG pile. The entire grouting process is driven by flow and pressure sensors on the outlet pipe, which coordinate the actions of the second and first motors, significantly improving the grouting quality and construction efficiency of the CFG pile construction process. Furthermore, the device is small in size and lightweight, and can effectively protect the rock structure during shallow grouting.

[0036] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A CFG pile construction device, characterized in that, The system includes a hopper (1), a valve body (15), a grouting module, a valve core drive module, a main support module, and a discharge pipe (4). The hopper (1) is located on the upper surface of the hopper fixing platform (2) at the top of the main support module. The lower part of the hopper (1) is connected to the valve body (15). The top of the valve body (15) is connected to the lower surface of the hopper fixing platform (2), and the lower part is connected to the grouting module. The discharge pipe (4) is connected to the front of the valve body (15), and the valve core is connected to the rear of the valve body (15). The grouting module is equipped with a second support module, which is used to fix the cylinder (13) inside the grouting module. The grouting module uses a crank rocker mechanism to drive the piston rod at the bottom of the cylinder (13) to move. The power component of the grouting module and the valve core drive module are located on the main support module. A flow sensor and a pressure sensor are installed on the discharge pipe (4). The flow sensor and the pressure sensor are both connected to the power component and the valve core drive module of the grouting module.

2. The CFG pile construction device according to claim 1, characterized in that, The valve core shaft of the valve core (19) inside the valve body (15) is connected to the valve core drive module. The valve core drive module includes a second motor (18) and a second coupling. The second motor (18) is connected to the frame (3) in the main support module. The valve core shaft of the valve core (19) is connected to the second motor (18) through the second coupling. The second motor (18) is connected to the flow sensor and the pressure sensor.

3. The CFG pile construction device according to claim 1, characterized in that, The grouting module includes a cylinder (13), a plunger rod, a first motor (5), a first coupling (6), a connecting rod (8), a connecting rod hinge seat (16), a first universal joint bearing, and a crank (17). The plunger rod is fixed inside the cylinder (13), and the connecting rod hinge seat (16) is fixed on the plunger rod. The connecting rod hinge seat (16) has an opening, which is fastened with bolts. The side of the connecting rod hinge seat (16) is connected to the connecting rod (8) through the first universal joint bearing, and the other end of the connecting rod (8) is connected to the crank (17) through the second universal joint bearing. The crank (17) is connected to the first motor (5) through the first coupling (6), and the first motor (5) is connected to a flow sensor and a pressure sensor.

4. The CFG pile construction device according to claim 3, characterized in that, The second support module includes a fixed plate (20), guide posts (14), fixing screws (9), fixing nuts, adjusting base plate (10), and shaft seats (12). The upper surface of the fixed plate (20) is connected to the cylinder body (13). The guide posts (14) are provided at the four corners of the lower part of the fixed plate (20). The lower end of the guide posts (14) is connected to the frame connecting base plate (11) through the shaft seats (12). The fixing screws (9) and fixing nuts fix the four corners of the adjusting base plate (10) to the frame connecting base plate (11).

5. The CFG pile construction device according to claim 1, characterized in that, The hopper (1) is funnel-shaped and has a first connecting flange at the bottom, which is sealed to the hopper fixing platform (2).

6. The CFG pile construction device according to claim 1, characterized in that, The second motor (18) is equipped with a second motor encoder, and the first motor (5) is equipped with a first motor encoder. The second motor encoder is connected to the first motor encoder, the flow sensor, and the pressure sensor. The first motor encoder is connected to the flow sensor and the pressure sensor.

7. The CFG pile construction device according to claim 1, characterized in that, The main support module includes a hopper fixing platform (2), a frame (3), a foot cup (7), and a frame connecting base plate (11). The frame (3) is composed of several steel sections. A rectangular hopper fixing platform (2) is provided on the top of the frame (3). The frame connecting base plate (11) is provided on the upper surface of the bottom layer of steel sections of the frame (3). The first motor (5) inside the grouting module is fixed on the frame connecting base plate (11).

Images