CN210948675U - Shield constructs dismantlement structure of machine B ring - Google Patents
Shield constructs dismantlement structure of machine B ring Download PDFInfo
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- CN210948675U CN210948675U CN201921583938.5U CN201921583938U CN210948675U CN 210948675 U CN210948675 U CN 210948675U CN 201921583938 U CN201921583938 U CN 201921583938U CN 210948675 U CN210948675 U CN 210948675U
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Abstract
The utility model discloses a dismounting structure of a shield machine B ring, which comprises a B ring, wherein a cutting line is arranged on the B ring, the dismounting structure also comprises positioning devices, the positioning devices are symmetrically arranged at two sides of the cutting line, the positioning devices corresponding to two sides of the cutting line are arranged in an overlapping way, the positioning devices which are mutually overlapped are fixedly connected through a detachable structure, an intermediate plate is arranged between the positioning devices which are mutually overlapped, and a gap is arranged between the intermediate plate and the B ring; the utility model discloses dismantle the B ring of shield structure machine and repair under current cutting mode, come the position between each B ring after quick location cutting through positioner, can weld between each B ring and restore from coming, the B ring of having solved the shield structure machine is by the problem of unable used many times after the cutting, has practiced thrift manufacturing cost greatly.
Description
Technical Field
The utility model belongs to the technical field of shield constructs quick-witted equipment, specifically belong to a shield constructs dismantlement structure of quick-witted B ring.
Background
A shield machine is a tunnel boring machine using a shield method. The shield construction method is a shield (referring to a supporting segment) for constructing (laying) a tunnel while a heading machine is heading, and is different from an open construction method;
the shield machine comprises a plurality of shield bodies, the shield bodies are divided into a cutter head, an A ring, a B ring, a C ring and a D ring in a driving hinged mode, the shield bodies are usually designed to be integrally welded when the shield machine is in factory design, and the shield machine has the characteristic of being not detachable. At present, urban subway construction scale is larger and larger, lines are denser and denser, subway lines newly designed later often pass through densely populated areas, high buildings and road traffic dense areas, a shield machine is not hoisted out of a well, and only a subsurface excavation section, namely a road surface lower excavation space is designed to be used for dismantling the shield machine.
And the shield body of the existing shield machine is designed to be integrally welded, and the shield machine is not detachable, namely, the existing detaching method only adopts the method of destroying the shield machine at the underground excavation section, the shield body can not be repaired after detaching, so that the shield body needs to be newly manufactured at the later stage, and the detaching scheme can greatly improve the use cost of the shield machine.
SUMMERY OF THE UTILITY MODEL
The machine is torn open to the taking destruction of shield structure machine B ring among the prior art, dismantles the unable restoration of back B ring, makes the problem that the use cost of shield structure machine improves, the utility model provides a structure of dismantling of shield structure machine B ring, its aim at: the disassembly structure is provided for solving the problem that the B ring of the shield machine cannot be repaired after disassembly, and reducing the use cost of the shield machine.
The utility model adopts the technical scheme as follows:
the utility model provides a shield constructs dismantlement structure of machine B ring, includes the B ring, the B ring includes the ring, be provided with the line of cut on the B ring, still include positioner, positioner symmetry sets up in the line of cut both sides, the corresponding positioner stack in line of cut both sides sets up, through detachable construction fixed connection between the corresponding positioner in line of cut both sides, be provided with the intermediate lamella between the corresponding positioner in line of cut both sides, the intermediate lamella with the gap has between the B ring, positioner includes rectangle bolted flange board and accurate triangle-shaped locating plate, rectangle bolted flange board sets up the position that is provided with the line of cut in the ring outside of B ring, accurate triangle-shaped locating plate sets up the position that is provided with the line of cut in the ring inboard of B ring.
In the scheme, the position of the cutting line is determined on the ring B before disassembly, the rectangular bolt connecting flange plate and the quasi-triangular positioning plate are respectively arranged at the position of the outer side of the ring B, which is provided with the cutting line, and the position of the inner side of the ring B, which is provided with the cutting line, two identical positioning devices are distributed at two sides of the cutting line, an intermediate plate is arranged between the two positioning devices, the intermediate plate and the two positioning devices are detachably connected through positioning pins and bolts, one side of each positioning device is welded on the ring B, the intermediate plate is not welded on the ring B, a gap is formed between the intermediate plate and the ring B, the ring B is cut according to the determined cutting line, because the gap is formed between the intermediate plate and the ring B, the intermediate plate cannot be cut when the ring B is cut, the positioning devices are distributed at two sides of the cutting line and cannot be cut, and the positioning pins and the bolts are taken down, the segmented B rings are respectively provided with a single positioning device, and when the B rings are repaired subsequently, the single positioning devices are used for positioning and combining together, so that the rapid positioning and butt joint of the disassembled segmented B rings can be realized; the utility model discloses dismantle the B ring of shield structure machine and repair under current cutting mode, come the position between each B ring after quick location cutting through positioner, can weld between each B ring and restore from coming, the B ring of having solved the shield structure machine is by the problem of unable used many times after the cutting, has practiced thrift manufacturing cost greatly.
Preferably, the B ring is provided with an anti-deformation support, and the anti-deformation support is I-shaped steel or a steel pipe. Adopt this preferred scheme, support B ring through setting up the shape support of preapring for an unfavorable turn of events, prevent that B ring produces deformation and influences the subsequent restoration of B ring in cutting process.
Preferably, the stacking direction of the positioning devices is perpendicular to the cutting line, and the stacking direction of the positioning devices is perpendicular to the axial direction of the B ring. Adopt this preferred scheme, compare in the axial direction parallel of positioner superimposed direction and B ring, the utility model discloses a positioner superimposed direction simultaneously with the axial direction perpendicular of line of cut and B ring, this makes the utility model discloses a positioner's effective location length is longer, and positioning effect is better.
Preferably, the shape of the middle plate is the same as the shape of the corresponding superposed positioning device, and the length of each side of the middle plate is smaller than that of each side of the corresponding positioning device. By adopting the preferred scheme, the length of each side length of the middle plate is smaller than that of each side length of the corresponding positioning device, so that a gap can be formed between the middle plate and the ring B, and the middle plate and the ring B are in the same shape, are convenient to manufacture uniformly and are convenient to replace.
Preferably, the position that the ring outside is provided with the line of cut is provided with the binding face, the binding face is the rectangle, rectangle bolted connection flange board sets up on the binding face. By adopting the preferred scheme, the rectangular bolt connecting flange plate and the outer side of the circular ring can be attached as far as possible, and the positioning accuracy is improved.
The position of the inner side of the circular ring, which is provided with the cutting line, is respectively provided with a connecting flange and a B ring shell, and two short edges of the quasi-triangular positioning plate are respectively and fixedly arranged on the connecting flange and the B ring shell. By adopting the preferred scheme, the quasi-triangular positioning plate and the inner side of the circular ring can be attached as far as possible, and the positioning accuracy is improved.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the rectangular bolt connecting flange plate and the quasi-triangular positioning plate are respectively arranged at the position of the outer side of the ring of the B ring, which is provided with a cutting line, and the position of the inner side of the ring of the B ring, two same positioning devices are distributed at two sides of the cutting line, an intermediate plate is arranged between the two positioning devices, the intermediate plate and the two positioning devices are detachably connected through positioning pins and bolts, one side of each positioning device is welded on the B ring, the intermediate plate is not welded on the B ring, a gap is formed between the intermediate plate and the B ring, the B ring is cut according to the determined cutting line, the intermediate plate cannot be cut when the B ring is cut due to the gap between the intermediate plate and the B ring, the positioning devices are distributed at two sides of the cutting line and cannot be cut, after the cutting is finished, the positioning pins and the bolts are taken down, and the B ring after the cutting is respectively provided with a single, when the B rings are repaired subsequently, the separated B rings can be quickly positioned and butted together through the positioning and combination of the single positioning devices; the utility model discloses dismantle the B ring of shield structure machine and repair under current cutting mode, come the position between each B ring after quick location cutting through positioner, can weld between each B ring and restore from coming, the B ring of having solved the shield structure machine is by the problem of unable used many times after the cutting, has practiced thrift manufacturing cost greatly.
2. The ring B is supported by the anti-deformation support, so that the ring B is prevented from deforming in the cutting process to influence the subsequent repair of the ring B; compare in the axial direction parallel of positioner superimposed direction and B ring, the utility model discloses a positioner superimposed direction simultaneously with the axial direction perpendicular of line of cut and B ring, this makes the utility model discloses a positioner's effective location length is longer, and the location effect is better.
3. The length of each side length of the middle plate is smaller than that of each side length of the corresponding positioning device, so that a gap is formed between the middle plate and the B ring, and the middle plate and the B ring are the same in shape, convenient to manufacture uniformly and convenient to replace.
4. The positioning devices in different shapes meet the requirements of structures at different parts of the B ring, and the positioning devices are reasonable in design and high in practicability.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of: the utility model discloses an embodiment's normal view schematic diagram.
FIG. 2 is a diagram of: fig. 1 is an enlarged schematic view at a.
FIG. 3 is a diagram of: fig. 2 is a schematic top view.
FIG. 4 is a diagram of: the utility model provides a concrete implementation mode schematic diagram of rectangle bolted connection flange board.
FIG. 5 is a diagram of: the utility model provides a concrete implementation mode schematic diagram of accurate triangle-shaped locating plate.
Reference numerals: 1-a cutting line; 2-deformation-preventing support; 3-a middle plate; 4-rectangular bolts are connected with the flange plate; 5-a circular ring; 6-a shell; 7-quasi-triangular positioning plate; and 8, connecting a flange plate.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The present invention will be described in detail with reference to fig. 1 to 5.
A dismounting structure of a shield machine B ring comprises the B ring, the B ring comprises a circular ring 5, a cutting line 1 is arranged on the B ring, and the dismounting structure also comprises a positioning device, the positioning devices are symmetrically arranged at two sides of the cutting line 1, the corresponding positioning devices at two sides of the cutting line 1 are superposed, the corresponding positioning devices at the two sides of the cutting line are fixedly connected through a detachable structure, an intermediate plate 3 is arranged between the corresponding positioning devices at the two sides of the cutting line, a gap is arranged between the middle plate 3 and the B ring, the positioning device comprises a rectangular bolt connecting flange plate 4 and a quasi-triangular positioning plate 7, the rectangular bolt connecting flange plate 4 is arranged at the position of the ring 5 of the B ring, which is provided with the cutting line 1, the quasi-triangular positioning plate 7 is arranged at the position of the ring 5 of the ring B, wherein the cutting line 1 is arranged on the inner side of the ring B.
And the B ring is provided with an anti-deformation support 2, and the anti-deformation support 2 is I-shaped steel or a steel pipe.
The stacking direction of the positioning devices is perpendicular to the cutting line 1, and the stacking direction of the positioning devices is perpendicular to the axial direction of the B ring.
The shape of the middle plate 3 is the same as that of the corresponding superposed positioning device, and the length of each side of the middle plate 3 is smaller than that of each side of the corresponding positioning device.
The position that the 5 outsides of ring were provided with the line of cut is provided with the binding face, the binding face is the rectangle, rectangle bolted connection flange board 4 sets up on the binding face.
The position that the ring inboard is provided with the line of cut is provided with connection flange 8 and B ring casing 6 respectively, two minor faces of accurate triangle-shaped locating plate set firmly respectively on connection flange 8 and B ring casing 6.
In the scheme, the position of a cutting line 1 of a ring B is shown in figure 1, the cutting line 1 avoids the damage of the hinged cylinder seat and other parts of the ring B, the ring B is divided into an upper part and a lower part by the cutting line 1, in order to prevent a circular ring 5 of the ring B from deforming in the cutting process, two groups of steel pipes are required to be used on the ring B for well manufacturing an anti-deformation support 2, and the steel pipes are respectively arranged on the upper part and the lower part of the ring B; because the thickness of the sealing hinge ring, namely the ring 5 of the ring B is thin, the surface quality repaired after cutting can not meet the requirement of sealing use matching, the sealing hinge ring in the ring B needs to be newly manufactured when recovering, in addition, the positioning connection between the shell 6 of the ring B and the sealing hinge ring needs to be considered, a rectangular bolt connecting flange plate 4 is arranged outside the ring 5 of the ring B, namely outside the sealing hinge ring, a rectangular joint surface is arranged on the position of the cutting line arranged outside the ring 5 of the ring B, in order to ensure that the positioning device is well welded on the position of the outer side of the ring 5 of the ring B, namely between the positioning device and the outer side of the ring 5, the positioning accuracy is improved, the shape of the positioning device on the position of the cutting line 1 arranged outside the ring 5 of the ring B is selected to be rectangular, the connecting flange 8 of the ring B and the shell 6 of the ring B need to be cut on the inner side of the ring 5 of the ring B, therefore, two groups of quasi-triangular positioning plates 7 are arranged at the position of the inner side of the ring 5 of the ring B, which is provided with the cutting line 1, the quasi-triangular shape is a figure formed by cutting two acute angles from a right-angled triangle, and the left side and the right side are respectively provided with one group of quasi-triangular positioning plates 7.
Considering that the length and the width of a rectangle are equal to the length of two sides of a quasi-triangle under the condition of the same positioning effect, the weight of a positioning plate connected by a rectangular bolt is larger than that of a quasi-triangle positioning plate 7, in order to enable the positioning device to be well welded on the inner side of a ring 5 of a ring B, even though the positioning device is attached to the inner side of the ring 5 as much as possible, the positioning accuracy is improved, so that the quasi-triangle is selected by selecting the shape of the positioning device, the rectangle is not selected, and the two short side edges of the quasi-triangle positioning plate are respectively welded on a connecting flange 8 of the ring B;
as shown in figure 1, each group of quasi-triangular positioning plates 7 is formed by mutually overlapping two identical quasi-triangular positioning plates 7 which are connected through bolts and positioning pins, a middle plate 3 is further arranged between the two quasi-triangular flange plates, the shape of the middle plate 3 is the same as that of the triangular positioning plate, but the length of the two short sides of the middle plate 3 is smaller than that of the length of the two short sides of the quasi-triangular positioning plates 7, six bolt holes and two positioning pin holes are formed in the quasi-triangular flange plates in total, through holes matched in the same number are also formed in the middle plate, one side of each quasi-triangular positioning plate 7 is fixed at the position of the inner side of a ring 5 of a B ring, namely, two short sides of each quasi-triangular positioning plate are respectively welded on a connecting flange 8 of the B ring and a shell 6 of the B ring, the overlapping direction, a gap is formed between the middle plate and the inner side of the ring 5 of the ring B, namely the middle plate 3 is not contacted with the inner side of the ring 5 of the ring B, the middle plate 3 is arranged between two quasi-triangular positioning plates 7, the position of the cutting line 1 corresponds to the central line of the middle plate, the two quasi-triangular positioning plates 7 are distributed at two sides of the cutting line 1, when the ring B is divided along the cutting line 1, the middle plate 3 cannot be cut, two short edges of the quasi-triangular positioning plates are respectively welded on a connecting flange 8 and a shell 6 of the ring B, namely, a gap is formed between the middle plate 3 and the connecting flange 8 and the shell 6 of the ring B respectively; meanwhile, because the length of the ring B is close to two meters, four groups of rectangular bolt connecting flange plates 4 are required to be arranged at the position of the ring 5 of the ring B, which is provided with the cutting line 1, two groups are respectively arranged at the left side and the right side, each group of rectangular bolt connecting flange plates 4 are formed by mutually overlapping two identical rectangular bolt connecting flange plates 4 and are connected through bolts and positioning pins, an intermediate plate 3 is also arranged between the two rectangular bolt connecting flange plates 4, the shape of the intermediate plate 3 is the same as that of the rectangular bolt connecting flange plates 4, but the width of the intermediate plate 3 is smaller than that of the rectangular bolt connecting flange plates 4, the rectangular bolt connecting flange plates 4 are provided with four bolt holes and two positioning pin holes in total, the intermediate plate 3 is also provided with through holes with the same number and matching, one side of the two rectangular bolt connecting flange plates 4 is fixed at the position of the cutting line 1 outside the ring 5 of the ring B through welding, the stack direction of rectangle bolted flange board 4 is perpendicular with the axial of line of cut 1 and B ring simultaneously, it has the gap promptly to have the intermediate lamella 3 between the ring 5 outside of intermediate lamella 3 and B ring and does not contact with the ring 5 outside of B ring, intermediate lamella 3 sets up between two rectangle bolted connection locating plates, the position of line of cut 1 corresponds the central line of intermediate lamella 3, two rectangle bolted flange boards 4 distribute in the both sides of line of cut 1, when cutting apart the B ring along line of cut 1, intermediate lamella 3 can not cut.
Cutting the ring B from the middle position of the ring B to two sides of the ring B along a cutting line 1 by using a flame cutting machine, detaching all bolts and positioning pins after the cutting is finished, cutting the ring B into an upper part and a lower part, wherein each part is provided with a quasi-triangular positioning plate 7 and a rectangular bolt connecting flange plate 4, quickly positioning the ring B by using the quasi-triangular positioning plate 7 and the rectangular bolt connecting flange plate 4 in the subsequent repair process, respectively enabling through holes between the quasi-triangular positioning plate 7 and the rectangular bolt connecting flange plate 4 which are mutually overlapped and matched to be mutually matched, and respectively inserting the bolts and the positioning pins into the through holes between the quasi-triangular positioning plate 7 and the rectangular bolt connecting flange plate 4 which are mutually matched, so that the quick positioning between the upper part and the lower part of the ring B can be realized; after the positioning is completed, welding repair is carried out on the B ring, the size and the shape of the B ring are adjusted by attention in the repair process, after the welding repair is completed, the anti-deformation support 2 and all the positioning devices are disassembled, and then size, welding seam flaw detection inspection and paint brushing are sequentially carried out on the B ring.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (6)
1. The utility model provides a shield constructs dismantlement structure of quick-witted B ring, includes the B ring, the B ring includes ring (5), be provided with line of cut (1), its characterized in that on the B ring: still include positioner, the positioner symmetry sets up in line of cut (1) both sides, the corresponding positioner stack in line of cut (1) both sides sets up, through detachable construction fixed connection between the corresponding positioner in line of cut (1) both sides, be provided with intermediate lamella (3) between the corresponding positioner in line of cut (1) both sides, intermediate lamella (3) with the gap has between the B ring, positioner includes rectangle bolted flange board (4) and accurate triangle-shaped locating plate (7), rectangle bolted flange board (4) set up the position that is provided with line of cut (1) in ring (5) outside of B ring, accurate triangle-shaped locating plate (7) set up the position that is provided with line of cut (1) in ring (5) inboard of B ring.
2. The dismounting structure of the shield machine B ring according to claim 1, characterized in that: the B ring is provided with an anti-deformation support (2), and the anti-deformation support (2) is I-shaped steel or a steel pipe.
3. The dismounting structure of the shield machine B ring according to claim 1, characterized in that: the stacking direction of the positioning devices is perpendicular to the cutting line (1), and the stacking direction of the positioning devices is perpendicular to the axial direction of the B ring.
4. The dismounting structure of the shield machine B ring according to claim 1, characterized in that: the shape of the middle plate (3) is the same as that of the corresponding superposed positioning device, and the length of each side of the middle plate (3) is smaller than that of each side of the corresponding positioning device.
5. The dismounting structure of the shield machine B ring according to claim 1, characterized in that: the position that the ring (5) outside was provided with the line of cut is provided with the binding face, the binding face is the rectangle, rectangle bolted connection flange board (4) set up on the binding face.
6. The dismounting structure of the shield machine B ring according to claim 1, characterized in that: the position that the ring inboard was provided with the line of cut is provided with connection ring flange (8) and B ring casing (6) respectively, two minor faces of accurate triangle-shaped locating plate set firmly respectively on connection ring flange (8) and B ring casing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921583938.5U CN210948675U (en) | 2019-09-23 | 2019-09-23 | Shield constructs dismantlement structure of machine B ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921583938.5U CN210948675U (en) | 2019-09-23 | 2019-09-23 | Shield constructs dismantlement structure of machine B ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210948675U true CN210948675U (en) | 2020-07-07 |
Family
ID=71377901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921583938.5U Active CN210948675U (en) | 2019-09-23 | 2019-09-23 | Shield constructs dismantlement structure of machine B ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210948675U (en) |
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2019
- 2019-09-23 CN CN201921583938.5U patent/CN210948675U/en active Active
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