CN217325315U

CN217325315U - Foundation solidification stirring head with drill bit

Info

Publication number: CN217325315U
Application number: CN202220041062.7U
Authority: CN
Inventors: 刘振忠; 秦小华; 王明; 章泽远; 李德晟; 陈龙
Original assignee: Zhejiang Taizhou Coastal Freeway Highway Co ltd; Shenzhen Comprehensive Transportation And Municipal Engineering Design And Research Institute Co ltd; Hohai University HHU
Current assignee: Zhejiang Taizhou Coastal Freeway Highway Co ltd; Shenzhen Comprehensive Transportation And Municipal Engineering Design And Research Institute Co ltd; Hohai University HHU
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-08-30
Anticipated expiration: 2032-01-07

Abstract

The utility model discloses a ground solidification stirring head with drill bit has linked firmly drill bit driving motor in the casing of stirring drum, and drill bit driving motor's output is connected with the drill bit, and the drill bit is located the stirring arm front end, and is located between two stirring drums, and drill bit driving motor drives the drill bit and rotates. The stirring head of the utility model can not only work on loose soft soil, but also work on soft soil foundation covered with soil layer with certain hardness; left and right stirring drum and drill bit are by the hydraulic motor drive of difference, and each motor can independently function, and the drill bit is for dismantling the connection, has strengthened the flexibility of construction.

Description

Foundation solidification stirring head with drill bit

Technical Field

The utility model belongs to the technical field of engineering machine tool equipment technique and specifically relates to a ground solidification stirring head with drill bit is related to.

Background

The in situ solidification technique relies on dedicated stirring head as a neogenesis soft soil foundation processing method, stirs natural weak soil, and the stirring head of present commonly used includes two left and right sides stirring drums, and two stirring drums are T type distribution or exist and are less than 180 certain contained angle in order to make things convenient for into the soil, and the new model of faithful use is 201810092800.9, the utility model name is the chinese patent of a ground solidification stirring head, and the utility model name is 202022162557.9, the utility model name is the chinese patent of silt normal position mixer. For soft soil with high fluidity, such as silt, and the like, the existing stirring head can be easily inserted into the soil body for stirring; in some soft soil areas, hard natural hard shell layers or miscellaneous filling layers can be covered on the soft soil areas, the existing stirring head is difficult to penetrate through the covering soil to enter the soft soil layers, and the soil layers are often required to be cleaned firstly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the technical problem that the current stirring head is difficult to pierce through crust layer or miscellaneous fill layer, and providing a ground solidification stirring head of front end configuration drill bit, destroying crust layer or miscellaneous fill layer by the drill bit, stretch into soft soil layer by the stirring head again and stir.

In order to achieve the above object, the utility model provides a following technical scheme:

a foundation solidification stirring head with a drill bit comprises a left stirring drum, a right stirring drum and a stirring arm, wherein the left stirring drum and the right stirring drum are arranged at the front end of the stirring arm and are symmetrically arranged relative to the stirring arm, and the stirring arm is fixedly connected with a shell for mounting the left stirring drum and the right stirring drum; the casing of stirring drum has linked firmly drill bit driving motor, and drill bit driving motor's output is connected with the drill bit, and the drill bit is located the stirring arm front end, and is located between two stirring drums, and drill bit driving motor drives the drill bit and rotates.

The drill bit is arranged between the left and right mixing drums and is positioned on the extension line of the mixing arm, and the drill bit cannot collide with the mixing teeth of the left and right mixing drums during working.

Further, the structure of the connection of the bit drive motor is: the inner wall of the front end of the mixing drum shell is fixedly connected with a support which is of a cylindrical structure, one end of the support is welded and fixed with the inner wall of the mixing drum shell, the other end of the support is provided with a flange plate, a drill bit driving motor shell is fixedly connected with the flange plate of the support through a bolt, and the drill bit driving motor is located on the long line of the mixing arm.

Preferably, the mixing drum shell is provided with a mounting hole for a drill rod to pass through, and the drill bit is connected with the output end of the drill bit driving motor through a coupling. The drill bit can be detached when not needed, and the mounting hole can be sealed by using the special sealing cover after detachment.

Preferably, the motor for driving the left and right mixing drums to rotate and the drill driving motor are hydraulic motors.

Furthermore, a hydraulic oil pipeline is arranged inside the stirring arm, one end of the hydraulic oil pipeline extends into the stirring drum shell and is connected with an oil inlet and outlet flow divider, a main oil inlet pipe and a main oil outlet pipe are arranged in the hydraulic oil pipeline, one end of the main oil inlet pipe and one end of the main oil outlet pipe are connected to the oil inlet and outlet flow divider, and the other end of the hydraulic oil pipeline extends out of the stirring arm and is connected with an external oil supply device; and each driving motor is connected with an oil inlet pipe and an oil outlet pipe, the oil inlet pipe and the oil outlet pipe of each driving motor are communicated with the main oil inlet pipe and the main oil outlet pipe through an oil inlet and outlet flow divider, and oil is supplied to each driving motor through the oil inlet and outlet flow divider. The oil inlet and outlet flow divider is controlled by an external controller, and can control the oil supply amount of each driving motor, thereby realizing the independent operation of each motor.

Compared with the prior art, the utility model discloses following beneficial effect has:

the stirring head of the utility model can not only work on loose soft soil, but also work on soft soil foundation covered with soil layer with certain hardness; left and right stirring drum and drill bit are by the hydraulic motor drive of difference, and each motor can independently function, and the drill bit is for dismantling the connection, has strengthened the flexibility of construction.

Drawings

Fig. 1 shows a schematic view of the internal structure of the present invention;

FIG. 2 shows the external structure of the present invention;

fig. 3 shows a schematic view of a part a of the enlarged structure of fig. 1.

Detailed Description

Referring to fig. 1-3, the utility model provides a technical solution: a foundation solidification stirring head with a drill bit comprises a left stirring drum 1, a right stirring drum 2 and a stirring arm 4, wherein the left stirring drum and the right stirring drum are arranged at the front end of the stirring arm and are symmetrically arranged relative to the stirring arm, and the stirring arm is fixedly connected with a shell for mounting the left stirring drum and the right stirring drum; the left driving motor 5 and the right driving motor 6 are respectively arranged in the shells of the left stirring drum 1 and the right stirring drum 2 and respectively drive the left stirring drum 1 and the right stirring drum 2 to rotate; left side stirring drum 1 between left side driving motor 5 and the right driving motor, the drill bit driving motor 7 has been linked firmly in the casing of right side stirring drum 2, support 8 has been linked firmly on the stirring drum casing front end inner wall, the ring flange fixed connection of drill bit driving motor shell through bolt and support, the support is the tubular structure, support one end is fixed with stirring drum casing inner wall welding, the other end has a ring flange, be used for connecting drill bit driving motor, drill bit driving motor is located the long line along of stirring arm, in this embodiment, left side driving motor 5, right side driving motor and drill bit driving motor are hydraulic motor.

In this embodiment, for doing benefit to the mixing drum and burying, on the other hand prevents to disturb the drill bit work, and the contained angle between the left and right mixing drums sets up to 130, and the connection structure of rabbling arm and mixing drum casing, the connection structure of left driving motor 5 and right driving motor in the casing, the drive principle of every motor and the structure itself all belong to prior art, and no longer give unnecessary details here.

A hydraulic oil pipeline 9 is arranged inside the stirring arm, one end of the hydraulic oil pipeline extends into the stirring drum shell and is connected with an oil inlet and outlet flow divider 12, a main oil inlet pipe 10 and a main oil outlet pipe 11 are arranged in the hydraulic oil pipeline, one end of the main oil inlet pipe 10 and one end of the main oil outlet pipe are connected to the oil inlet and outlet flow divider, and the other end of the main oil inlet pipe 10 and one end of the main oil outlet pipe extend out of the stirring arm and are connected with an external oil supply device; all be connected with into oil pipe and go out oil pipe on every driving motor, every driving motor advance oil pipe and go out oil pipe all through business turn over oil flow ware with always advance oil pipe 10 and always go out oil pipe intercommunication, through business turn over oil flow ware to every driving motor fuel feeding, business turn over oil flow ware receives external control ware's control, can control every driving motor's fuel feeding volume to control its rotational speed, business turn over oil flow ware, controller do not belong to the technical scheme of the utility model discloses technical scheme's content, and business turn over oil flow ware, controller homoenergetic realize through prior art, no longer give unnecessary details here.

The output of drill bit driving motor is connected with drill bit 3 through shaft coupling 13, and the drill bit is located between left mixing drum 1, the right mixing drum, rotates under drill bit driving motor's effect, and rotates the process and be independent, can not take place to rotate with left mixing drum 1, right mixing drum and hinder. In order to facilitate the disassembly and assembly of the drill bit, in this embodiment, the output shaft of the drill bit driving motor extends out of the stirring drum housing. In other embodiments, the output shaft of the drill bit driving motor does not extend out of the mixing drum shell, the mixing drum shell is provided with a mounting hole for a drill rod to pass through, and the mounting hole can be manually plugged when the drill rod is not connected.

As figure 2, the drill bit includes a drilling rod, and the front end of drilling rod is connected with a plurality of evenly distributed's blade, and the length of blade increases from going to back in proper order, forms the toper structure, and the drill bit does in the use, and the drill bit front end is in order to reduce the resistance of digging into the earth.

As shown in FIG. 2, a curing agent delivery pipe 14 and a curing agent nozzle 15 are connected to the outer side of the stirring arm.

When the rotary stirring device is used specifically, the stirring arm is connected with an excavator, hydraulic oil is input through the excavator, the three driving motors drive the stirring drum and the drill bit to rotate, and the functions of soil body drilling and rotary stirring operation are achieved. When the stirring drum is used for stirring loose soft soil foundation, the drill bit is detached, and the mounting hole is closed, so that the soil can be filled through the rotation of the stirring drum; when the stirring device is used for stirring soft soil foundation with an upper hard soil layer, the drill bit is installed, the hard soil layer is damaged through the front spiral drill bit, then the stirring drum is used for stirring, meanwhile, a cement curing agent is injected into a curing agent conveying pipe through peripheral cement pump equipment and then is sprayed out through a front curing agent nozzle, and meanwhile, soil and the curing agent are stirred so as to achieve the purpose of in-situ curing treatment.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. A foundation solidification stirring head with a drill bit comprises a left stirring drum, a right stirring drum and a stirring arm, wherein the left stirring drum and the right stirring drum are arranged at the front end of the stirring arm and are symmetrically arranged relative to the stirring arm, and the stirring arm is fixedly connected with a shell for mounting the left stirring drum and the right stirring drum; the stirring device is characterized in that a drill bit driving motor is fixedly connected in the shell of each stirring drum, the output end of each drill bit driving motor is connected with a drill bit, the drill bits are located at the front ends of the stirring arms and located between the two stirring drums, and the drill bit driving motors drive the drill bits to rotate.

2. The soil curing mixer with drill bit of claim 1 wherein the mixer drum housing has a cylindrical support attached to the inner wall of the front end of the mixer drum housing, the support having one end welded to the inner wall of the mixer drum housing and the other end having a flange, the drill drive motor housing being fixedly connected to the flange of the support by bolts, the drill drive motor being located along the length of the mixer arm.

3. The solidification stirring head of foundation with bit of claim 2, wherein the mixing drum housing defines a mounting hole for the drill rod to pass through, and the bit is connected to the output end of the bit driving motor through the coupling.

4. The soil curing mixing head with bit of claim 1 wherein the motor driving the left and right mixing drums and the bit driving motor are hydraulic motors.

5. The solidification stirring head of foundation with bit of claim 4, wherein there is hydraulic oil pipeline inside the stirring arm, one end of the hydraulic oil pipeline stretches into the casing of the stirring drum and is connected with the oil inlet and outlet diverter, there are total oil inlet pipe and total oil outlet pipe in the hydraulic oil pipeline, one end of the total oil inlet pipe and total oil outlet pipe is connected to the oil inlet and outlet diverter, another end of the hydraulic oil pipeline stretches out of the stirring arm and is connected with the external oil supply device; and each driving motor is connected with an oil inlet pipe and an oil outlet pipe, the oil inlet pipe and the oil outlet pipe of each driving motor are communicated with the main oil inlet pipe and the main oil outlet pipe through an oil inlet and outlet flow divider, and oil is supplied to each driving motor through the oil inlet and outlet flow divider.