CN111496568A - Shield tail positioning device of shield machine - Google Patents
Shield tail positioning device of shield machine Download PDFInfo
- Publication number
- CN111496568A CN111496568A CN202010344047.5A CN202010344047A CN111496568A CN 111496568 A CN111496568 A CN 111496568A CN 202010344047 A CN202010344047 A CN 202010344047A CN 111496568 A CN111496568 A CN 111496568A
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- CN
- China
- Prior art keywords
- arc
- plate
- shaped
- shield
- positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/18—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
Abstract
The invention discloses a shield tail positioning device of a shield machine, which comprises a positioning frame and a fixing plate, wherein the positioning frame is provided with an arc-shaped positioning groove for supporting an arc-shaped plate, and the groove edge of the arc-shaped positioning groove is provided with a plurality of fixing holes. When the arc-shaped plate is fixed, the arc-shaped plate is firstly arranged in the arc-shaped positioning groove, one end of the fixing plate is fixed in any fixing hole, and the other end of the fixing plate is clamped with the end part of the arc-shaped plate, so that the arc-shaped plate is prevented from rotating in the circumferential direction, and the arc-shaped plate is convenient to drill; after drilling, loosening the fixed plate, enabling the fixed plate to be separated from the arc-shaped plate, rotating the arc-shaped plate along the circumferential direction, then enabling the fixed plate to be clamped with the end part of the arc-shaped plate, and drilling the arc-shaped plate again; so circulate, until accomplishing drilling processing, need not to utilize the grease board in the course of working of arc, prevent to weld the grease board, be favorable to reducing the deformation degree of shield tail to promote the machining precision and the processingquality of shield tail.
Description
Technical Field
The invention relates to the technical field of shield machine machining, in particular to a shield tail positioning device of a shield machine.
Background
The shield machine is mainly used in tunnel construction, a split type thin shell tubular structure formed by welding a plurality of arc-shaped plates is adopted, and each arc-shaped plate needs to be processed with a plurality of groups of grease holes.
The existing shield tail processing scheme is as follows: firstly, arranging a grease plate, and processing deep holes on the grease plate; secondly, marking a line on the cylindrical shield tail to assist in forming a grease plate mounting hole; and then welding the grease plate to the cylindrical shield tail.
However, the processing scheme of the shield tail has shortcomings. For example, welding the grease plate after the grease plate mounting hole is formed is easy to cause deformation of the shield tail, and meanwhile, the deformation of the shield tail is easily influenced by relatively more welding of the shield tail, so that the dimensional tolerance and the roundness of the shield tail are difficult to control, and the machining precision and the machining quality of the shield tail are influenced.
Therefore, how to simultaneously improve the machining precision and the machining quality of the shield tail is a technical problem to be solved urgently by technical means in the field.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a shield tail positioning device for a shield tunneling machine, including a positioning frame and a fixing plate, where the positioning frame has an arc-shaped positioning slot, a plurality of fixing holes are formed on a slot edge of the arc-shaped positioning slot, one end of the fixing plate is fixed in any one of the fixing holes, and the other end of the fixing plate is clamped with an end of the arc-shaped plate.
The specific scheme is as follows:
the invention provides a shield tail positioning device of a shield tunneling machine, which comprises:
the positioning frame is provided with an arc-shaped positioning groove for supporting the arc-shaped plate; the groove edge of the arc-shaped positioning groove is provided with a plurality of fixing holes;
one end of the fixing plate is alternatively fixed in the fixing hole, and the other end of the fixing plate is used for being clamped with the end part of the arc plate after the arc plate circumferentially rotates relative to the arc-shaped positioning groove so as to limit the position of the arc plate.
Preferably, the hole edge of any fixing hole is provided with a limiting groove for limiting the fixing plate to rotate relative to the fixing hole in the circumferential direction.
Preferably, all the fixing holes are waist-shaped fixing holes.
Preferably, the adjusting plate is provided with all fixing holes, and the adjusting plate can be detachably abutted against the groove edge fixed on the arc-shaped positioning groove.
Preferably, the device further comprises a position adjusting piece arranged between the adjusting plate and the positioning frame and used for adjusting the position of the adjusting plate.
Preferably, the groove edge fixedly arranged on the arc-shaped positioning groove is used for abutting against the bottom of the arc-shaped plate so as to radially adjust the height of the arc-shaped plate along the arc-shaped positioning groove.
Preferably, still include the supporting seat that is used for supporting the locating rack, the supporting seat is specifically lift supporting seat.
Preferably, the device further comprises an adjusting frame which is arranged between the supporting seat and the locating frame and used for adjusting the locating frame to translate relative to the ground.
Compared with the background art, the shield tail positioning device of the shield tunneling machine comprises a positioning frame and a fixing plate, wherein the positioning frame is provided with an arc-shaped positioning groove for supporting an arc-shaped plate, and a plurality of fixing holes are formed in the groove edge of the arc-shaped positioning groove. When the arc-shaped plate is fixed, the arc-shaped plate is firstly arranged in the arc-shaped positioning groove, one end of the fixing plate is fixed in any fixing hole, and the other end of the fixing plate is clamped with the end part of the arc-shaped plate, so that the arc-shaped plate is prevented from rotating in the circumferential direction, and the arc-shaped plate is convenient to drill; after drilling, loosening the fixed plate, enabling the fixed plate to be separated from the arc-shaped plate, rotating the arc-shaped plate along the circumferential direction, then enabling the fixed plate to be clamped with the end part of the arc-shaped plate, and drilling the arc-shaped plate again; and circulating the steps until drilling machining is completed.
Therefore, the shield tail positioning device of the shield machine provided by the invention enables the processing of the shield tail to be free from utilizing the grease plate, prevents the grease plate from being welded, is beneficial to reducing the deformation degree of the shield tail, and further improves the processing precision and the processing quality of the shield tail.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a structural diagram of a shield positioning device of a shield machine tail according to an embodiment of the present invention;
FIG. 2 is an assembled structure view of the fixing plate and the adjusting plate shown in FIG. 1;
fig. 3 is a working state diagram of the shield positioning device of the shield machine tail provided by the invention.
The reference numbers are as follows:
an arc plate 01;
the device comprises a positioning frame 1, a fixing plate 2, an adjusting plate 3, a position adjusting piece 4, a height adjusting piece 5 and a supporting seat 6;
an arc positioning groove 11, a fixing hole 12 and a limiting groove 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific examples.
Referring to fig. 1 to 3, fig. 1 is a structural diagram of a shield positioning device of a shield machine tail according to an embodiment of the present invention; FIG. 2 is an assembled structure view of the fixing plate and the adjusting plate shown in FIG. 1; fig. 3 is a working state diagram of the shield positioning device of the shield machine tail provided by the invention.
First, all the arc plates 01 referred to herein are arc thin plates for forming a cylindrical tail shield. The shield tail positioning device of the shield tunneling machine provided by the invention is mainly used for limiting the position of the arc-shaped plate 01 in the process of drilling the shield tail.
The embodiment of the invention discloses a shield positioning device for a tail of a shield tunneling machine, which comprises a positioning frame 1, wherein the positioning frame 1 is provided with an arc-shaped positioning groove 11 for bearing an arc-shaped plate 01, the arc-shaped positioning groove 11 is specifically an arc-shaped groove, and the radian of the arc-shaped plate 01 is consistent with that of the arc-shaped positioning groove 11.
The groove edge of the arc-shaped positioning groove 11 is provided with a plurality of fixing holes 12, and the number of the fixing holes 12 is set according to the number of the holes to be drilled on the arc-shaped plate 01, which is not limited herein.
The drilling tool also comprises a fixing plate 2, wherein one end of the fixing plate 2 is alternatively fixed on the fixing hole 12, and the other end of the fixing plate can be clamped with the end part of the arc-shaped plate 01, so that the arc-shaped plate 01 is prevented from rotating relative to the positioning frame 1 in the circumferential direction, and the arc-shaped plate 01 can be conveniently drilled; after drilling, loosening the fixed plate 2, separating the fixed plate 2 from the fixed hole 12 connected with the fixed plate 2, simultaneously separating the fixed plate 2 from the arc-shaped plate 01, then fixedly connecting the fixed plate 2 with the adjacent fixed hole 12, rotating the arc-shaped plate 01 along the circumferential direction, then clamping the fixed plate 2 with the end part of the arc-shaped plate 01, and drilling the arc-shaped plate 01 again; and circulating the steps until drilling machining is completed.
In this embodiment, the fixing plate 2 is an L-shaped fixing plate, and the bent section of the fixing plate abuts against the end of the arc-shaped plate 01, so that the arc-shaped plate 01 is pressed in the arc-shaped positioning slot 11.
In order to prevent the fixing plate 2 from rotating circumferentially relative to the fixing holes 12, the hole edge of any one of the fixing holes 12 is provided with a limiting groove 13. The limiting groove 13 is a square groove with a width consistent with that of the fixing plate 2.
All fixing holes 12 specifically can be waist type fixing holes, and waist type fixing holes conveniently follow the height of arc positioning groove 11's radial regulation fixed plate 2 along arc positioning groove 11's radial extension, not only make things convenient for fixed plate 2 to break away from arc 01 along the direction of arc positioning groove 11, but also do benefit to fixed plate 2 and be applicable to the fixed arc 01 that has different thickness. Of course, the fixing hole 12 may be a circular arc through hole.
One end of the fixing plate 2 far away from the arc plate 01 is detachably fixed in the fixing hole 12 through a bolt.
In conclusion, the shield tail positioning device of the shield tunneling machine provided by the invention can enable the shield tail to be processed without using a grease plate, prevent the grease plate from being welded, and is beneficial to reducing the deformation degree of the shield tail, thereby improving the processing precision and the processing quality of the shield tail.
The invention also comprises an adjusting plate 3 with all fixing holes 12, namely the fixing holes 12 are not directly arranged on the positioning frame 1, but are directly arranged on the adjusting plate 3, the adjusting plate 3 can be detachably abutted and fixed on the groove edge of the arc-shaped positioning groove 11, so that the fixing plate 2 can move along the circumferential direction of the arc-shaped positioning groove 11 along with the adjusting plate 3, thereby being suitable for arc-shaped plates 01 with different lengths or arc-shaped plates 01 placed on different positions, having wide application range and better adaptability.
The invention also comprises a position adjusting piece 4 arranged between the adjusting plate 3 and the positioning frame 1, so that the position of the adjusting plate 3 relative to the positioning frame 1 can be conveniently adjusted. Specifically support, position control spare 4 is used for linking firmly regulating plate 3 and locating rack 1 including the regulating hole that runs through regulating plate 3 and the adjusting bolt who passes the regulating hole, adjusting bolt, and wherein, the regulating hole is waist type through-hole to compensate machining error and assembly error between regulating plate 3 and the locating rack 1, or pass through the position of regulating plate 3 adjustment fixed plate 2 according to the position of arc 01.
In consideration of the position of the drill rod, the invention also comprises a height adjusting piece 5 fixedly arranged on the groove edge of the arc-shaped positioning groove 11, wherein the height adjusting piece 5 is abutted against the bottom of the arc-shaped plate 01, so that the height of the arc-shaped plate 01 can be conveniently adjusted along the radial direction of the arc-shaped positioning groove 11. In this particular embodiment, the height adjusting member 5 is embodied as a bolt detachably mounted to the spacer 1, but the structure of the height adjusting member 5 is not limited thereto.
Furthermore, the drilling machine further comprises a supporting seat 6 for supporting the positioning frame 1, wherein the supporting seat 6 is a lifting supporting seat, and the lifting supporting seat can be driven by hydraulic pressure to conveniently drive the positioning frame 1 to lift along the height direction of the positioning frame 1 so as to match the height of a drilling rod, so that the drilling precision is improved, and the machining precision is further improved.
Furthermore, the drilling machine further comprises an adjusting frame arranged between the supporting seat 6 and the positioning frame 1, so that the positioning frame 1 translates relative to the ground, the positions to be drilled of the arc-shaped plate 01 are aligned with the drill rods, and the machining precision is further improved. A vertical sliding rail and a vertical sliding groove are arranged between the adjusting frame and the supporting seat 6, so that the adjusting frame drives the positioning frame 1 to move along the direction vertical to the drill rod; meanwhile, an axial sliding rail and an axial sliding groove are arranged between the adjusting frame and the positioning frame 1 so as to guide the positioning frame 1 to move relative to the adjusting frame along the axial direction of the drill rod. The arrangement positions of the vertical sliding rail and the vertical sliding groove and the arrangement positions of the axial sliding rail and the axial sliding groove are set according to actual conditions, and are not specifically limited.
The shield positioning device of the tail of the shield machine provided by the invention is described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (8)
1. The utility model provides a shield machine shield tail positioner, its characterized in that includes:
the positioning device comprises a positioning frame (1), wherein the positioning frame (1) is provided with an arc-shaped positioning groove (11) for supporting an arc-shaped plate (01); a plurality of fixing holes (12) are formed in the groove edge of the arc-shaped positioning groove (11);
the fixing plate (2) is fixed to the fixing hole (12) in an alternative mode at one end, and the other end of the fixing plate is used for being clamped with the end portion of the arc-shaped plate (01) after the arc-shaped plate (01) rotates in the circumferential direction relative to the arc-shaped positioning groove (11) so as to limit the position of the arc-shaped plate (01).
2. The shield tail positioning device of the shield tunneling machine according to claim 1, wherein a hole edge of any one of the fixing holes (12) is provided with a limiting groove (13) for limiting circumferential rotation of the fixing plate (2) relative to the fixing hole (12).
3. The shield tail positioning device of the shield tunneling machine of claim 2, wherein all the fixing holes (12) are waist-shaped fixing holes.
4. The shield tail positioning device of the shield tunneling machine according to any one of claims 1-3, further comprising an adjusting plate (3) having all the fixing holes (12), wherein the adjusting plate (3) can be detachably abutted against the groove edge fixed on the arc-shaped positioning groove (11).
5. The shield tail positioning device of the shield tunneling machine according to claim 4, further comprising a position adjusting member (4) disposed between the adjusting plate (3) and the positioning frame (1) for adjusting the position of the adjusting plate (3).
6. The shield tail positioning device of the shield tunneling machine according to any one of claims 1 to 3, further comprising:
and the groove edge is fixedly arranged on the arc-shaped positioning groove (11) and is used for abutting against the bottom of the arc-shaped plate (01) so as to radially adjust the height of the arc-shaped plate (01) along the arc-shaped positioning groove (11).
7. The shield tail positioning device of any one of claims 1 to 3, further comprising a support base (6) for supporting the positioning frame (1), wherein the support base (6) is a lifting support base.
8. The shield tail positioning device of the shield tunneling machine according to claim 7, further comprising an adjusting frame arranged between the supporting base (6) and the positioning frame (1) and used for adjusting the positioning frame (1) to translate relative to the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010344047.5A CN111496568B (en) | 2020-04-27 | 2020-04-27 | Shield tail positioning device of shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010344047.5A CN111496568B (en) | 2020-04-27 | 2020-04-27 | Shield tail positioning device of shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111496568A true CN111496568A (en) | 2020-08-07 |
| CN111496568B CN111496568B (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010344047.5A Active CN111496568B (en) | 2020-04-27 | 2020-04-27 | Shield tail positioning device of shield machine |
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| CN (1) | CN111496568B (en) |
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| CN110977330A (en) * | 2019-12-27 | 2020-04-10 | 东方电气(广州)重型机器有限公司 | Method for processing series holes of large-size thin-wall arched part |
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| WO2013111359A1 (en) * | 2012-01-24 | 2013-08-01 | 日立造船株式会社 | Bit exchange method and bit exchange device for shield tunneling machine |
| CN202763129U (en) * | 2012-09-10 | 2013-03-06 | 苏州明特威机械设备有限公司 | Backer positioning device used for drill machine machining |
| CN102886648A (en) * | 2012-09-27 | 2013-01-23 | 唐山轨道客车有限责任公司 | Method and fixture for machining railway vehicle roof locking device |
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| CN110977330A (en) * | 2019-12-27 | 2020-04-10 | 东方电气(广州)重型机器有限公司 | Method for processing series holes of large-size thin-wall arched part |
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| CN111496568B (en) | 2021-05-25 |
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Effective date of registration: 20220125 Address after: No.88, Dongqi line, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Patentee after: China Railway Construction Heavy Industry Group Co.,Ltd. Patentee after: China Railway Construction International Group Co., Ltd Address before: No.88, Dongqi line, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Patentee before: China Railway Construction Heavy Industry Group Co.,Ltd. |