CN212716653U

CN212716653U - Clogging cleaning tool for reserved bolt holes of shield segments

Info

Publication number: CN212716653U
Application number: CN202021244553.9U
Authority: CN
Inventors: 杨永民; 刘晓飞; 李海波
Original assignee: Guangdong Huigu Material Technology Co ltd
Current assignee: Guangdong Huigu Material Technology Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-03-16
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a shield constructs section of jurisdiction and reserves bolt hole stifled clearance instrument that becomes silted up. Shield constructs section of jurisdiction reservation bolt hole silt stifled clearance instrument includes: a drill bit, the drill bit being bendable; the driving unit can drive the drill bit to rotate; the vibration unit can drive the drill bit to vibrate, and the surface of drill bit still is equipped with the guide slot, and the guide slot is sunken from the surface of drill bit, and the guide slot is arranged along the axis spiral of drill bit. Has the advantages that: the drill bit can be bent, so that the drill bit can adapt to the bent connecting channel on the pipe sheet; the driving unit can drive the drill bit to rotate, so that the drill bit can crush the barrier in the bent connecting channel through rotation; the vibration unit can drive the drill bit to vibrate, and the breaking efficiency of the barrier can be improved; the guide slot can contain debris formed by the broken obstacles, and when the drill bit rotates, the spiral guide slot can guide the debris to be discharged out of the connecting channel along the guide slot. The utility model relates to a shield constructs engineering.

Description

Clogging cleaning tool for reserved bolt holes of shield segments

Technical Field

The utility model relates to a shield constructs the engineering, in particular to shield constructs section of jurisdiction and reserves bolt hole stifled clearance instrument that becomes silted up.

Background

The shield construction is built into a tubular building structure by splicing concrete segments. The segments are typically joined by bolt assemblies. The shape of the pipe piece is arc surface shape. The bolt assembly typically includes a shank. The rod body is bent into an arc shape. A connecting channel is arranged between the adjacent pipe pieces and penetrates through the two adjacent pipe pieces. The rod body can penetrate into the connecting channel and connect two adjacent pipe pieces.

In the prior art, the technical defects of the building structure of the shield engineering are as follows: when the construction, the connecting channel between the segments is easily blocked by the barrier, thereby leading the shield machine to stop and trim, leading the segment blocked to be detached and replaced, and leading the construction efficiency to be low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least, provide a shield constructs section of jurisdiction reservation bolt hole silt up clearance instrument that can clear up the barrier of the connecting channel in the shield constructs the section of jurisdiction with high efficiency.

The technical scheme adopted for solving the technical problems is as follows:

shield constructs section of jurisdiction reservation bolt hole silt stifled clearance instrument includes:

a drill bit, the drill bit being bendable;

the driving unit can drive the drill bit to rotate;

the vibration unit can drive the drill bit to vibrate, and the surface of drill bit still is equipped with the guide slot, and the guide slot is sunken from the surface of drill bit, and the guide slot is arranged along the axis spiral of drill bit.

The clogging cleaning tool for the reserved bolt holes of the shield segments at least has the following beneficial effects:

the drill bit can be bent, so that the drill bit can adapt to the bent connecting channel on the pipe sheet; the driving unit can drive the drill bit to rotate, so that the drill bit can crush the barrier in the bent connecting channel through rotation; the vibration unit can drive the drill bit to vibrate, and the breaking efficiency of the barrier can be improved; the guide slot can contain debris formed by the broken obstacles, and when the drill bit rotates, the spiral guide slot can guide the debris to be discharged out of the connecting channel along the guide slot.

The utility model discloses a possible implementation mode, the drill bit includes the inner core and the cover body, and the inner core is established at the cover internally, and the inner core can be at the internal bending of cover, and the cover body parcel is outside the inner core, and the guide slot is established on the surface of the cover body. The nested structure of the inner core and the sleeve body can reduce the manufacturing difficulty of the drill bit, the inner core can provide elastic bending characteristics for the drill bit, and the sleeve body can protect the inner core and provide a forming basis for the guide groove.

In a possible embodiment of the present invention, the inner core is made of a metal wire, and the metal wire is formed into the inner core by spirally bending. The metal wire can make the inner core have good bending capability, and the bending flexibility of the drill bit can be improved.

In a possible embodiment of the invention, the metal wire is a spiral steel wire. The spiral steel wire is made of materials in the prior art, so that the manufacturing cost of the inner core is reduced, and the spiral steel wire has good elasticity.

In a possible embodiment of the present invention, the end of the drill is further provided with a tip, and the tip is conical. The shape of the pointed end is beneficial to breaking up obstacles, and the obstacle removing efficiency of the drill bit can be improved.

In a possible embodiment of the invention, the vibration unit comprises a cam, the cam being rotatable, the cam being contactable with the drill bit. The cam can drive the drill bit to realize vibration, and is favorable for improving the breaking efficiency of the barrier.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic diagram of an arrangement of shield segments according to an embodiment of the present invention;

fig. 3 is a schematic view of the working state of the embodiment of the present invention applied to clearing obstacles;

reference numerals:

the drilling tool comprises a drilling head 1, a sleeve body 2, a guide groove 3, an inner core 4, a tip 5, a driving unit 6, a vibration unit 7, a first pipe piece 8, a second pipe piece 9, a connecting channel 10 and a barrier 11.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, shield constructs section of jurisdiction and reserves bolt hole silt stifled clearance instrument includes:

the drill bit 1, the drill bit 1 can be bent;

the driving unit 6, the driving unit 6 can drive the bit 1 to rotate;

the vibration unit 7, the vibration unit 7 can drive the drill bit 1 to vibrate, the surface of the drill bit 1 is also provided with a guide groove 3, the guide groove 3 is sunken from the surface of the drill bit 1, and the guide groove 3 is spirally arranged along the axis of the drill bit 1.

the drill bit 1 can be bent so as to be capable of adapting to the bent connecting channel 10 on the pipe sheet; the driving unit 6 can drive the drill bit 1 to rotate, so that the drill bit 1 can crush the obstacle 11 in the bent connecting channel 10 through rotation; the vibration unit 7 can drive the drill bit 1 to vibrate, and can improve the crushing efficiency of the obstacle 11; the guide groove 3 can contain the chips formed by the broken obstacles 11, and when the drill bit 1 rotates, the spiral guide groove 3 can guide the chips to be discharged out of the connecting channel 10 along the guide groove 3.

With regard to the drill 1, the drill 1 is rod-shaped, and the drill 1 is elastically bendable so as to be able to accommodate the bent connecting channel 10.

As for the driving unit 6, the driving unit 6 may be selected from, but not limited to, a motor in the related art. The connection between the drive unit 6 and the drill bit 1 may be selected from, but not limited to, a conventional coupling mechanism. The drive unit 6 can drive the drill bit 1 to rotate in the direction a shown in fig. 3. The drill bit 1 can be bent so that the drill bit 1 can be adapted to the bent connecting channel 10 and can be rotated in the connecting channel 10. Fig. 1 shows the surface shape and the internal structure of the drill bit 1. In fig. 3, the surface shape and the internal structure of the drill bit 1 are not shown.

As for the vibration unit 7, the vibration unit 7 may be selected from, but not limited to, vibration generating mechanisms in the related art.

As for the guide groove 3, the guide groove 3 is formed in a screw shape, and guides the debris to be discharged out of the connection passage 10 when the drill 1 rotates, thereby preventing the debris from clogging the connection passage 10.

In a possible embodiment, the drill bit 1 comprises an inner core 4 and a sheath body 2, the inner core 4 is arranged inside the sheath body 2, the inner core 4 can be bent inside the sheath body 2, the sheath body 2 is wrapped outside the inner core 4, and the guide groove 3 is arranged on the surface of the sheath body 2. The nested structure of the inner core 4 and the sleeve body 2 can reduce the manufacturing difficulty of the drill bit 1, the inner core 4 can provide the drill bit 1 with the characteristic of elastic bending, and the sleeve body 2 can protect the inner core 4 and provide a forming basis for the guide groove 3.

With respect to the covering body 2, the covering body 2 is tubular in shape. The sheath body 2 is wrapped outside the inner core 4. The material of the sheath body 2 can be selected from, but not limited to, a metal hose. The guide groove 3 is arranged on the surface of the sleeve body 2.

In a possible embodiment, the material of the inner core 4 is a wire, which is bent helically to form the inner core 4. The wire enables the inner core 4 to have good bending ability, which improves the bending flexibility of the drill bit 1.

In one possible embodiment, the metal wire is a spiral steel wire. The spiral steel wire is a material in the prior art, which is beneficial to reducing the manufacturing cost of the inner core 4 and has good elasticity.

In a possible embodiment, the end of the drill bit 1 is further provided with a tip 5, the tip 5 being conical. The shape of the tip 5 is beneficial to breaking the obstacle 11, and the obstacle removing efficiency of the drill bit 1 can be improved.

The tip 5 is made of a hard material, for example.

In a possible embodiment, the vibrating unit 7 comprises a cam which can rotate on its own axis, which can come into contact with the drill bit 1. The cam can drive the drill bit 1 to vibrate, and is beneficial to improving the crushing efficiency of the barrier 11.

As for the vibration unit 7, the vibration unit 7 can vibrate the drill 1 by cam driving, and also can make the drill 1 vibrate reciprocally in the B direction as shown in fig. 3.

With respect to the shield segment, the shield segment includes a first segment 8 and a second segment 9. A connecting channel 10 is provided in the first tube sheet 8. A connecting channel 10 is also provided in the second tube sheet 9. The axis of the connecting channel 10 is shaped as an arc. The connecting channels 10 in the first tube sheet 8 and the second tube sheet 9 can be interconnected as shown in fig. 2. The connecting channel 10 can be threaded through a bent bolt, so that a fixed connection of the first segment 8 and the second segment 9 is achieved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. Shield constructs section of jurisdiction reservation bolt hole silt stifled clearance instrument, its characterized in that includes:

a drill bit, the drill bit bendable;

the driving unit can drive the drill bit to rotate;

the vibration unit can drive the drill bit to vibrate, the surface of the drill bit is also provided with a guide groove, the guide groove is recessed from the surface of the drill bit, and the guide groove is spirally arranged along the axis of the drill bit.

2. The clogging cleaning tool for the reserved bolt holes of the shield segments according to claim 1, which is characterized in that: the drill bit comprises an inner core and a sleeve body, the inner core is arranged in the sleeve body, the inner core can be bent in the sleeve body, the sleeve body is wrapped outside the inner core, and the guide groove is formed in the surface of the sleeve body.

3. The clogging cleaning tool for the reserved bolt holes of the shield segments according to claim 2, which is characterized in that: the inner core is made of metal wires, and the metal wires are bent spirally to form the inner core.

4. The clogging cleaning tool for the reserved bolt holes of the shield segments according to claim 3, which is characterized in that: the metal wire is a spiral steel wire.

5. The clogging cleaning tool for the reserved bolt holes of the shield segments according to any one of claims 1 to 4, which is characterized in that: the end part of the drill bit is also provided with a pointed end which is conical.

6. The clogging cleaning tool for the reserved bolt holes of the shield segments according to any one of claims 1 to 4, which is characterized in that: the vibration unit includes a cam that is rotatable, and the cam is contactable with the drill.