CN210289783U - Supporting device used between shield base and negative ring pipe piece - Google Patents
Supporting device used between shield base and negative ring pipe piece Download PDFInfo
- Publication number
- CN210289783U CN210289783U CN201921307717.5U CN201921307717U CN210289783U CN 210289783 U CN210289783 U CN 210289783U CN 201921307717 U CN201921307717 U CN 201921307717U CN 210289783 U CN210289783 U CN 210289783U
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- piece
- bearing plate
- pipe piece
- ring pipe
- negative ring
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Abstract
The utility model provides a strutting arrangement that is used for shield to construct between base and the anion ring pipe piece, include: the positioning pieces are arranged on two opposite sides of the steel rail, and through holes are formed in the positioning pieces; the bearing plate is arranged between the top surface of the steel rail and the bottom surface of the negative ring pipe piece, a fastening hole is formed in the bearing plate, and the steel rail supports the bearing plate and the negative ring pipe piece; and the buffer piece is arranged between the bearing plate and the negative ring pipe piece, a fixing hole corresponding to the through hole is formed in the buffer piece, the fixing hole is a blind hole, the buffer piece, the positioning piece and the bearing plate are fixed with a nut through a bolt penetrating device, and the nut is fastened on the lower surface of the positioning piece. The utility model discloses in strutting arrangement located the clearance between shield tail and the anion pipe piece, when the anion pipe piece is deviate from the shield tail, strutting arrangement's setting played the supporting role to the anion pipe piece and made the center of anion pipe piece keep unanimous with the design axis.
Description
Technical Field
The utility model relates to a construction technical field relates to a strutting arrangement who is used for shield to construct between base and the anion pipe piece particularly.
Background
During shield initiation, a gap will exist between the shield machine and the segment because the diameter of the shield machine is greater than the diameter of the segment. In the process of shield starting and tunneling, segments are assembled in the shield tail and can fall on a steel rail below the shield tail after separating from the shield tail, and in order to ensure that a shield tunnel is on a design axis, the centers of circles of a shield machine and the assembled segments are required to be on the design axis of the tunnel, and a concentric circle is formed between the shield machine and the segments; after the duct piece is separated from the shield tail, in order to enable the center of the negative ring duct piece to be on the design axis, a small hammer is generally adopted to drive a wood wedge into a gap between the shield tail and the duct piece of the shield machine, and a triangular wood wedge is adopted to support the negative ring duct piece, so that the center of the negative ring duct piece is on the design axis.
The wooden wedge of the method can be used only once, and the wooden wedge is easy to deform under the pressure of the segment, so that the position of the ring pipe segment is sunken, the position of the subsequent segment is not on the design axis, measures are required to be taken by a shield machine to adjust the elevation of the segment, the assembling difficulty of the segment is increased, and the construction progress is influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, the utility model provides a support arrangement for between shield structure base and the burden ring canal piece, solve current wooden wedge yielding lead to the segment position not on the design axis, can not have enough to meet the need the use and wooden wedge once warp too big, can bring the difficulty for the construction, influence the technical problem of time limit for a project; the utility model discloses a set up the bearing plate and can improve the holding power, be difficult for taking place to warp, can avoid causing the damage to negative pipe sheet structure through setting up the bolster, the setting element can prevent that strutting arrangement skew from shifting, leads to the negative pipe sheet to shift, and simple structure, construction are convenient simultaneously.
In order to achieve the purpose, the utility model adopts the technical proposal that: there is provided a support device for use between a shield base and a negative collar segment located above a steel rail of the shield base, the support device comprising:
the positioning pieces are arranged on two opposite sides of the steel rail, and through holes are formed in the positioning pieces;
the bearing plate is arranged between the top surface of the steel rail and the bottom surface of the negative ring pipe piece, fastening holes corresponding to the through holes are formed in the bearing plate, and the steel rail supports the bearing plate and the negative ring pipe piece; and
the positioning piece comprises a bearing plate, a negative ring pipe piece, a positioning piece and a buffer piece, wherein the bearing plate is arranged on the bearing plate, the negative ring pipe piece is arranged on the bearing plate, the buffer piece is arranged between the bearing plate and the negative ring pipe piece, a fixing hole corresponding to the through hole is formed in the buffer piece, the fixing hole is a blind hole, the buffer piece, the positioning piece and the bearing plate are fixed with a nut through the blind hole, the through hole and the fastening hole in a penetrating mode.
The embodiment of the utility model provides an in, two liang of a set of settings of setting element, each the setting element include the connecting plate and with the limiting plate that connecting plate L shape is connected, the connecting plate subsides are located bearing plate bottom, the limiting plate is close to the rail sets up.
In the embodiment of the utility model, the bearing plate is including a plurality of plate bodys that the stack set up.
In the embodiment of the present invention, the buffer member is an elastic gasket.
The embodiment of the utility model provides an in, the fixed orifices is including the upper portion and the lower part that communicate each other, the diameter on upper portion is greater than the diameter of lower part, the head of bolt matches the card with pole portion upper end and locates in the upper portion and the lower part of fixed orifices.
The utility model discloses owing to adopted above technical scheme, make it have following beneficial effect:
(1) the utility model discloses setting up of bearing plate is used for supporting the negative ring canal piece on the rail, bearing plate non-deformable has higher bearing capacity, and can used repeatedly, and the turnover nature is good.
(2) The utility model discloses the setting element can prevent the strutting arrangement skew with strutting arrangement spacing in the relative both sides of rail, and then leads to the anion pipe piece not on the design axis.
(3) The utility model discloses set up the bolster between negative ring canal piece and the bearing plate, make negative ring canal piece and bolster flexible contact, can reduce the damage of negative ring canal piece structure.
(4) The utility model has the characteristics of simple structure, economical and practical, ann tear open the convenience, the effect is obvious, the practicality is good, application prospect is extensive.
Drawings
Fig. 1 is a partial schematic view of the supporting device between the shield base and the negative ring pipe piece according to the present invention.
Fig. 2 is a partially enlarged schematic view of the supporting device of the present invention.
Fig. 3 is a schematic plan view of the positioning member of the present invention.
Fig. 4 is a schematic plan view of the buffer member of the present invention.
Fig. 5 is a schematic cross-sectional view of the buffer of the present invention.
The correspondence of reference numerals to components is as follows:
a shield base 1; a rail 11; a negative ring canal sheet 2; a positioning member 3; a through hole 30; a connecting plate 31; a limit plate 32; a pressure bearing plate 4; a bolt 5; a nut 6; a buffer member 7; and a fixing hole 71.
Detailed Description
To facilitate understanding of the present invention, the following description is made with reference to the accompanying drawings and examples.
Referring to fig. 1 and 2, the present invention provides a supporting device for use between a shield base 1 and a negative ring duct piece 2, wherein the negative ring duct piece 2 is located above a steel rail 11 of the shield base 1, and the supporting device includes: the positioning pieces 3 are arranged on two opposite sides of the steel rail 11; and the bearing plate 4 is arranged between the top surface of the steel rail 11 and the bottom surface of the negative ring pipe piece 2, two sides of the bearing plate 4 are respectively fixed with the positioning piece 3, and the steel rail 11 supports the bearing plate 4 and the negative ring pipe piece 2.
In the embodiment of the utility model, as shown in fig. 1, the black thick solid line of negative ring section of jurisdiction 2 below is the position of shield tail, strutting arrangement locates in the clearance between shield tail and the negative ring section of jurisdiction 2, when negative ring section of jurisdiction 2 deviates from the shield tail, strutting arrangement's setting plays the supporting role to negative ring section of jurisdiction 2 and makes negative ring section of jurisdiction 2 keep being concentric circles relation with the shield tail, and negative ring section of jurisdiction 2 keeps unanimous with the design axis.
As shown in fig. 2, the positioning members 3 are arranged in pairs, each positioning member 3 includes a connecting plate 31 and a limiting plate 32 connected to the connecting plate 31 in an L shape, the connecting plate 31 is attached to the bottom of the bearing plate 4, and the limiting plate 32 is arranged near the steel rail 11. The utility model discloses setting element 3's setting can be spacing in rail 11 relative both sides with strutting arrangement, prevents the strutting arrangement skew, and then leads to negative ring section of jurisdiction 2 not on the design axis. The utility model discloses setting element 3 is 50mm 75mm 5mm angle steel, and the aperture is 12mm for press from both sides tight rail 11.
In the embodiment of the utility model, as shown in fig. 2, fig. 3, through-hole 30 has been seted up on the setting element 3, set up on the bearing plate 4 with the fastening hole that the through-hole 31 position corresponds, setting element 3 with bearing plate 4 wears to put through bolt 5 and fix with nut 6, nut 6 fasten in the lower surface of the connecting plate 31 of setting element 3, bolt 5's length is greater than the space between shield tail external diameter and the external diameter of negative ring canal piece 2.
The embodiment of the utility model provides an in, a plurality of plate bodys that bearing plate 4 set up including the stack, the setting of a plurality of plate bodys makes and plays the cushioning effect when receiving the pressure effect of negative ring canal piece 2, alleviates the damage to bearing plate 4. The utility model discloses bearing plate 4 adopts the steel sheet that 20mm is thick and the steel sheet that 10mm is thick to constitute, bears the weight of negative ring section of jurisdiction 2, has 4 diameters to be 12 mm's fastening hole on the bearing plate 4, and the aperture is 12 mm. The thickness of the bearing plate 4 is not limited to 20mm and 10mm steel plates, and the quantity and the thickness can be adjusted according to the actual conditions of the shield tail and the negative ring segment 2.
As shown in fig. 2, 4 and 5, the supporting device further includes a buffer 7 disposed between the bearing plate 4 and the negative collar piece 2; preferably, the buffer member 7 is an elastic gasket, and a fixing hole 71 corresponding to the through hole is formed in the elastic gasket; further, the fixing hole 71 is a blind hole, the fixing hole 71 includes an upper portion and a lower portion which are communicated with each other, the diameter of the upper portion is larger than that of the lower portion, the head portion and the upper end of the rod portion of the bolt 5 are clamped in the upper portion and the lower portion of the fixing hole 71 in a matching manner, and the buffer member 7, the positioning member 3 and the bearing plate 4 are fixed to the nut 6 through the fixing hole 71, the through hole 30 and the fastening hole which are penetrated by the bolt 5. The fixing hole 71 is a blind hole, so that the head of the bolt 5 penetrating through the blind hole can be prevented from being in rigid contact with the negative ring canal piece 2, and the structure of the canal piece can be prevented from being damaged. The utility model discloses bolster 7 is the rubber pad, and cross sectional dimension is 200mm, with the power transmission of burden ring segment to the bearing plate on, open 4 fixed orificess 71 in four bight positions of rubber pad for bolt 5 wears to put, and the upper portion diameter of fixed orificess 71 is 20mm, and the lower part diameter is 12mm, highly is 10 mm.
The present invention has been described in detail with reference to the drawings and the embodiments, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.
Claims (5)
1. A support arrangement for use between a shield base and a negative collar segment positioned above a steel rail of the shield base, the support arrangement comprising:
the positioning pieces are arranged on two opposite sides of the steel rail, and through holes are formed in the positioning pieces;
the bearing plate is arranged between the top surface of the steel rail and the bottom surface of the negative ring pipe piece, fastening holes corresponding to the through holes are formed in the bearing plate, and the steel rail supports the bearing plate and the negative ring pipe piece; and
the positioning piece comprises a bearing plate, a negative ring pipe piece, a positioning piece and a buffer piece, wherein the bearing plate is arranged on the bearing plate, the negative ring pipe piece is arranged on the bearing plate, the buffer piece is arranged between the bearing plate and the negative ring pipe piece, a fixing hole corresponding to the through hole is formed in the buffer piece, the fixing hole is a blind hole, the buffer piece, the positioning piece and the bearing plate are fixed with a nut through the blind hole, the through hole and the fastening hole in a penetrating mode.
2. The supporting device for use between a shield base and a negative ring pipe piece according to claim 1, wherein the positioning members are arranged in a group two by two, each positioning member comprises a connecting plate and a limiting plate connected with the connecting plate in an L shape, the connecting plate is attached to the bottom of the bearing plate, and the limiting plate is arranged near the steel rail.
3. The support device for use between a shield base and a negative collar plate of claim 1, wherein the bearing plate comprises a plurality of plate bodies arranged one above the other.
4. The support device for use between a shield base and a negative collar plate of claim 1, wherein said buffer is an elastomeric washer.
5. The supporting device for use between a shield base and a negative ring pipe piece according to claim 1, wherein the fixing hole comprises an upper portion and a lower portion which are communicated with each other, the diameter of the upper portion is larger than that of the lower portion, and the head portion and the upper end of the rod portion of the bolt are matched and clamped in the upper portion and the lower portion of the fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921307717.5U CN210289783U (en) | 2019-08-13 | 2019-08-13 | Supporting device used between shield base and negative ring pipe piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921307717.5U CN210289783U (en) | 2019-08-13 | 2019-08-13 | Supporting device used between shield base and negative ring pipe piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210289783U true CN210289783U (en) | 2020-04-10 |
Family
ID=70061456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921307717.5U Active CN210289783U (en) | 2019-08-13 | 2019-08-13 | Supporting device used between shield base and negative ring pipe piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210289783U (en) |
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2019
- 2019-08-13 CN CN201921307717.5U patent/CN210289783U/en active Active
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