CN220013744U

CN220013744U - Soil loosening device for open caisson

Info

Publication number: CN220013744U
Application number: CN202321446937.2U
Authority: CN
Inventors: 张琼; 陈玥; 宿亮; 张其稳; 刘守华; 宋佳
Original assignee: Shandong Mingxin Engineering Group Co ltd
Current assignee: Shandong Mingxin Engineering Group Co ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-11-14
Anticipated expiration: 2033-06-07

Abstract

The utility model relates to open caisson construction equipment, in particular to a soil loosening device for an open caisson, which comprises: a device main body, a connection portion; the top of the main shaft is fixedly connected with the bottom end of the connecting part; the plurality of cutting tools are arranged on the circumference of the main shaft and are arranged in a plurality of rows and columns; the rotating mechanism is arranged on the device main body and connected with the connecting part so as to enable the rotating mechanism, the main shaft and the cutting tool to synchronously rotate. According to the soil loosening device for the open caisson, the rotating mechanism is connected with the main shaft through the connecting part, the main shaft and the cutting tool are synchronously driven to rotate by rotation of the rotating mechanism, soil is cut, and soil loosening is achieved.

Description

Soil loosening device for open caisson

Technical Field

The utility model relates to the technical field of open caisson construction equipment, in particular to a soil loosening device for an open caisson.

Background

The statements herein merely provide background art related to the present disclosure and may not necessarily constitute prior art.

The open caisson is a reinforced concrete shaft which can self-subside with the excavation by means of dead weight or weighting. The existing open caisson soil sampling mode is as follows: manual work digs along the section of thick bamboo wall internally, and by mechanical equipment or semi-mechanical equipment to the spoil outside the well, and for the soil of comparatively hard geology, manual work can't realize direct dig, need to dig the soil with the help of the instrument.

There is a need for a ripper apparatus for use in achieving excavation of relatively hard geological soil.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a soil loosening device for an open caisson, which is used for realizing excavation of soil with harder geology.

The technical scheme of the utility model is as follows:

the utility model provides a scarifier for an open caisson, which comprises:

the main body of the device is provided with a main body,

a connection part;

the top of the main shaft is fixedly connected with the bottom end of the connecting part;

the plurality of cutting tools are arranged on the circumference of the main shaft and are arranged in a plurality of rows and columns;

the rotating mechanism is arranged on the device main body and connected with the connecting part so as to enable the rotating mechanism, the main shaft and the cutting tool to synchronously rotate.

Further, the top surface of connecting portion has seted up the screw hole, the bottom surface with main shaft welded connection.

Further, the cutting tools are arranged in multiple layers along the height direction of the main shaft, a plurality of cutting tools are arranged on each layer, and each cutting tool extends in the tangential direction of the circumferential wall of the main shaft.

Further, the cutting tool comprises a tool bit and a tool holder, the tool holder is connected with the spindle in a welded mode, and the tool bit is detachably connected with the tool holder.

Further, the tool bit is made of wear-resistant alloy steel; the tool bit is connected with the tool apron through threads; the head of the cutter head is conical or triangular.

Further, the rotating mechanism comprises a driving part and a transmission part, wherein the driving part is used for driving the transmission part to rotate, and the output end of the transmission part is connected with the connecting part.

Further, the driving part comprises a hydraulic motor and a speed reducer, the transmission part comprises a gear and a gear ring, the hydraulic motor is connected with the speed reducer, the output end of the speed reducer is provided with the gear, the gear is meshed with the gear ring, the side face of the gear is fixed by a screw, and the gear ring is fixed with the connecting part through a bolt.

Further, the scarifier further comprises a drilling structure arranged at the bottom of the main shaft.

Furthermore, the working end of the drilling structure is conical, and the number of the drilling structures is 1 or more and is welded at the bottom of the main shaft.

Further, the drilling structure comprises a drill bit and a connecting support, wherein the connecting support is welded at the bottom of the main shaft, and the drill bit is detachably connected with the connecting support; the drill bit is made of wear-resistant alloy steel.

The utility model has the advantages that:

the soil loosening device comprises the connecting part, the main shaft and the cutting tools, wherein the cutting tools are arranged on the circumference of the main shaft and are arranged in a plurality of rows and columns, the rotating mechanism is connected with the main shaft through the connecting part, and the rotating mechanism rotates to synchronously drive the main shaft and the cutting tools to rotate so as to cut soil and loosen the soil.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a rotating mechanism according to an embodiment of the present utility model.

Fig. 3 is a schematic view showing an arrangement of cutting tools on a spindle according to an embodiment of the present utility model.

Fig. 4 is a schematic view of a cutting tool according to another aspect of an embodiment of the present utility model, which is arranged on a spindle.

FIG. 5 is an exploded view of a cutting tool according to one embodiment of the present utility model.

Fig. 6 is a schematic structural view of a connecting portion according to another embodiment of the present utility model.

Fig. 7 is a schematic view of a cutter head according to another embodiment of the present utility model.

Fig. 8 is a schematic view of a structure of a spin-in structure on a spindle according to an embodiment of the present utility model.

Fig. 9 is a schematic view of a rotary drilling structure on a main shaft according to another embodiment of the present utility model.

Fig. 10 is an exploded view of another embodiment of the present utility model.

In the figure, 10, a connecting part; 20. a main shaft; 30. a cutting tool; 31. a cutter head; 32. a tool apron; 40. drilling a structure; 41. a drill bit; 42. a connecting support; 5. a rotation mechanism; 51. a hydraulic motor; 52. a speed reducer; 53. a gear; 54. a gear ring; 6. a device body; 61. a pole setting mechanism; 62. and a hoisting mechanism.

Detailed Description

In order to facilitate understanding of the utility model by those skilled in the art, a specific embodiment of the utility model is described below with reference to the accompanying drawings.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 10, the utility model provides a scarifier for an open caisson, which comprises a main body, a connecting part 10, a main shaft 20 and a plurality of cutting tools 30, wherein a rotating mechanism 5 is arranged on the main body, the rotating mechanism 5 is connected with the main shaft 20 through the connecting part 10, and the rotating mechanism 5 rotates to drive the main shaft 20 and the cutting tools 30 to synchronously rotate, and the cutting tools cut soil.

The rotation mechanism 5 includes a driving portion and a transmission portion.

Specifically, as shown in fig. 2, the driving portion includes a hydraulic motor 51 and a speed reducer 52, and the transmitting portion includes a gear 53 and a ring gear 54. The output end of the hydraulic motor 51 is connected to a speed reducer 52, the output end of the speed reducer 52 is connected to a gear 53, the gear 53 is meshed with a ring gear 54, the ring gear 54 is fixed by bolts in the circumferential direction, and the ring gear 54 is connected to the connection portion 10 by bolts.

As shown in fig. 1, the apparatus main body 6 includes a telescopic pole setting mechanism 61, and a winding mechanism 62 for driving the pole setting mechanism 61 to expand and contract. The rotation mechanism 5 is mounted in a housing by means of a bracket, the housing being mounted at the movable end of the upright mechanism 61.

The device body further comprises a connecting arm and a bearing chassis, the bearing chassis can rotate along the horizontal direction, the tail end of the connecting arm is connected with the bearing chassis in a welded mode, and the top end of the connecting arm is hinged to the vertical rod mechanism 61. A hydraulic cylinder is also installed between the connecting wall and the upright rod mechanism 61 for adjusting the inclination angle of the upright rod mechanism 61, i.e. the extension and retraction of the hydraulic cylinder can change the included angle between the upright rod mechanism 61 and the connecting arm.

The rod erecting mechanism 61 comprises a sleeve and a piston rod which is positioned in the sleeve and stretches along the length direction of the sleeve. The connecting arm is hinged with the outside of the sleeve through a pin shaft. In order to enable the piston rod to smoothly extend and retract in the sleeve, a sliding rail assembly is arranged between the sleeve and the piston rod.

The winding mechanism 62 is mounted on the outside of the sleeve for driving the piston rod into telescopic movement within the sleeve. The winding mechanism 62 comprises two sets of synchronously moving cables, the ends of each set of cables being mounted on the head of the piston rod. The piston rod extends when the winding mechanism 62 rotates to release the rope, and the piston rod retracts when the winding mechanism 62 rotates reversely to tighten the rope.

In this embodiment, referring to fig. 3, the connection part 10 is provided in a circular ring shape, the top surface is provided with a threaded hole for assembling bolt connection with the rotation mechanism 5, and the bottom surface is welded with the main shaft 20; of course, the connection portion 10 may be configured in a barrel structure having a square exterior, as shown in fig. 6.

The spindle 20 is provided in a cylindrical structure.

The number of the cutting tools 30 is a plurality, and the cutting tools are fixed on the circumference of the main shaft 20 and are arranged in a plurality of rows and columns.

Specifically, as shown in fig. 3 and 4, the cutting tools 30 are arranged in multiple layers along the height direction of the main shaft 20, and a plurality of cutting tools 30 are arranged on each layer, and each cutting tool 30 extends in the tangential direction of the circumferential wall of the main shaft 20.

Specifically, as shown in fig. 5, the cutting tool 30 includes a tool bit 31 and a tool holder 32, the tool bit 31 is made of wear-resistant alloy steel, and the tool holder 32 is detachably connected with the tool bit 31, such as threaded connection, so that the tool bit 31 can be conveniently replaced after being worn. The tool apron 32 is welded to the main shaft 20, and the connecting sleeve is welded to the main shaft 20.

The head of the cutter head is conical or triangular. As shown in fig. 5, the head of the cutter head is conical, and the structure is suitable for the soil loosening operation of harder soil, such as hard granite and the like.

As shown in fig. 7, the head of the cutter head is provided with a triangle, the included angle of the triangle forms a shape similar to a blade, so that the cutter is convenient for cutting soil, and the structure is used for the soil loosening operation of softer soil and generally hard soil, such as rock with general hardness.

Further, the bottom of the main shaft 20 is provided with a downwardly protruding drilling structure 40, which is tapered, 1 or more in number. The drilling structure 40 is connected to the main shaft 20 by means of welding.

As shown in fig. 8, the number of the rotary digging structures is 1. As shown in fig. 9, the number of the rotary digging structures is plural, and the rotary digging structures can be arranged according to the requirement.

Specifically, the drilling structure 40 includes a drill bit 41 and a connection support 42, the connection support 42 is welded to the bottom of the main shaft 20, and the drill bit 41 is detachably connected to the connection support 42. More specifically, the drill bit 41 is screwed into the support, see fig. 10. The drill bit 41 may be made of wear-resistant alloy steel.

The scarifier is suitable for excavating soil at the bottom of the open caisson, and is particularly suitable for excavating soil around the bottom edge of the open caisson. The open caisson soil sampling equipment of the embodiment not only can dig soft soil, but also can be suitable for geology of harder materials, such as rock, granite and the like.

The embodiments of the present utility model described above do not limit the scope of the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model as set forth in the appended claims.

Claims

1. A scarifier for an open caisson, comprising:

a device main body (6),

a connection part (10);

the top of the main shaft (20) is fixedly connected with the bottom end of the connecting part (10);

a plurality of cutting tools (30) which are arranged in the circumferential direction of the main shaft (20) and are arranged in a plurality of rows and columns;

and a rotation mechanism (5) which is provided on the device body (6) and is connected to the connection unit (10) so as to rotate the rotation mechanism (5), the spindle (20), and the cutting tool (30) in synchronization.

2. A scarifier for open caissons according to claim 1, characterized in that: the top surface of the connecting part (10) is provided with a threaded hole, and the bottom surface is connected with the main shaft (20) in a welding way.

3. A scarifier for open caissons according to claim 1, characterized in that: the cutting tools (30) are arranged in multiple layers along the height direction of the main shaft (20), a plurality of cutting tools (30) are arranged on each layer, and each cutting tool (30) extends in the tangential direction of the circumferential wall of the main shaft (20).

4. A scarifier for open caissons according to claim 1, characterized in that: the cutting tool (30) comprises a tool bit (31) and a tool holder (32), the tool holder (32) is in welded connection with the main shaft (20), and the tool bit (31) is detachably connected with the tool holder (32).

5. A scarifier for an open caisson according to claim 4, characterized in that: the tool bit (31) is made of wear-resistant alloy steel; the tool bit (31) and the tool holder (32) are connected through threads; the head of the cutter head (31) is conical or triangular.

6. A scarifier for open caissons according to claim 1, characterized in that: the rotating mechanism (5) comprises a driving part and a transmission part, wherein the driving part is used for driving the transmission part to rotate, and the output end of the transmission part is connected with the connecting part (10).

7. A scarifier for an open caisson according to claim 6, characterized in that: the driving part comprises a hydraulic motor (51) and a speed reducer (52), the transmission part comprises a gear (53) and a gear ring (54), the speed reducer (52) is connected with the hydraulic motor (51), the gear (53) is arranged at the output end of the speed reducer (52), the gear (53) is meshed with the gear ring (54), the side face of the gear ring is fixed by a screw, and the gear ring (54) is fixed with the connecting part (10) through a bolt.

8. A scarifier for open caissons according to claim 1, characterized in that: the scarifier further comprises a drilling structure (40) arranged at the bottom of the main shaft (20).

9. A scarifier for open caisson according to claim 8, characterized in that: the working end of the drilling structure (40) is conical, and 1 or more drilling structures (40) are welded at the bottom of the main shaft (20).

10. A scarifier for open caisson according to claim 8, characterized in that: the drilling structure (40) comprises a drill bit (41) and a connecting support (42), the connecting support (42) is welded at the bottom of the main shaft (20), and the drill bit (41) is detachably connected with the connecting support (42); the drill bit (41) is made of wear-resistant alloy steel.