CN103575529B - A kind of shield duct piece testing machine loading system and shield duct piece testing machine - Google Patents
A kind of shield duct piece testing machine loading system and shield duct piece testing machine Download PDFInfo
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- CN103575529B CN103575529B CN201310586582.1A CN201310586582A CN103575529B CN 103575529 B CN103575529 B CN 103575529B CN 201310586582 A CN201310586582 A CN 201310586582A CN 103575529 B CN103575529 B CN 103575529B
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- hoop
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Abstract
The invention discloses a kind of shield duct piece testing machine loading system, this loading system comprises self-equilibrating counter-force core tube and radial force charger, described radial force charger is arranged on the outside of self-equilibrating counter-force core tube, and between the ring assembled at shield duct piece.Described self-equilibrating counter-force core tube is made up of hoop, middle hoop, lower hoop and vertical beam on upper cladding plate; Upper cladding plate is positioned at the top of self-equilibrating counter-force core tube; Many are of similar shape and arrange along a circle spacing with the vertical beam of size; Upper hoop is on the periphery top of described many vertical beams; Middle hoop is in the middle part of the periphery of many vertical beams; Lower hoop is many vertical beam periphery bottoms.Shield duct piece testing machine loading system of the present invention has the advantages such as floor area is little, cost is low, range of application.
Description
Technical field
The present invention relates to technical field of buildings, particularly relate to a kind of shield duct piece testing machine loading system and shield duct piece testing machine.
Background technology
Shield duct piece is the main mounting structure of shield-tunneling construction, is the outermost layer barrier in tunnel, carries the effect of opposing earth pressure, groundwater pressure and some special loads.Shield duct piece is the permanent lining, secondary lining structure of shield tunnel, and shield duct piece quality is directly connected to total quality and the safety in tunnel, affects water resistance and the endurance quality in tunnel.
In order to check the quality of shield duct piece, the performance of shield duct piece testing equipment to shield duct piece is usually adopted to test.
Loading system is the important component part of shield duct piece testing machine.In the prior art, counter force wall is usually adopted to provide counter-force.Counter force wall is the periphery being arranged on the ring (pipeline) that shield duct piece is formed, and takes a lot of work during counter force wall production costs, and area occupied is very large, also needs to remove after off-test.A kind of counter force wall is the annular hole of digging out in underground, and using the inwall in annular hole as counter force wall, the outer wall of shield structure ring is directly resisted against on counter force wall, applies radial force from the inner side of shield duct piece to shield duct piece.Another kind of counter force wall is the annular walls of erect.Described annular walls is arranged on the periphery of the ring that shield duct piece is formed, and arranges oil cylinder to apply load, test at annular walls and shield duct piece.
The loading system of these two kinds of forms all has counter force wall floor area greatly, the shortcoming that the scope of application is less.
Therefore, wish that a kind of shield duct piece testing machine loading system overcomes or at least alleviates the above-mentioned defect of prior art.
Summary of the invention
A kind of shield duct piece testing machine loading system is the object of the present invention is to provide to overcome or at least alleviate the above-mentioned defect of prior art.
The present invention adopts following technical scheme:
Shield duct piece testing machine loading system of the present invention comprises self-equilibrating counter-force core tube and radial force charger, and described radial force charger is arranged on the outside of self-equilibrating counter-force core tube, and between the ring assembled at shield duct piece.
Described self-equilibrating counter-force core tube is made up of upper cladding plate, upper hoop, middle hoop, lower hoop and vertical beam; Upper cladding plate is positioned at the top of self-equilibrating counter-force core tube; Many are of similar shape and arrange along a circle spacing with the vertical beam of size; Upper hoop is in the below of the top of the periphery of described many vertical beams with upper cladding plate; Middle hoop is at the middle part of the periphery of described many vertical beams; And lower hoop is in the bottom of the periphery of described many vertical beams, wherein, described upper cladding plate, upper hoop, middle hoop, lower hoop and vertical beam are by being welded to connect.
Radial force charger is made up of hydraulic cylinder, hydraulic cylinder locating device and bearing beam, and bearing beam to be positioned at outside shield duct piece and to be in contact with it; Inside the outside that hydraulic cylinder is positioned at self-equilibrating counter-force core tube and shield duct piece; Hydraulic cylinder locating device is positioned at below hydraulic cylinder; Hydraulic cylinder locating device is connected with self-equilibrating counter-force core tube; Hydraulic cylinder connects self-equilibrating counter-force core tube and bearing beam by round steel.
Hydraulic cylinder locating device is made up of cylinder brackets and sliding track mechanism and hydraulic cylinder rotary lifting mechanism two parts, and slide rail is made up of round steel, and being connected on hoop and middle hoop or middle hoop and lower hoop, is the sliding rail of cylinder brackets; Cylinder brackets is grabbed by slip, underframe and arc plate form, and arc board diameter is equal with cylinder diameter, holds hydraulic cylinder.Four slips are grabbed and can be free to slide on round steel slide rail.
Rotary lifting mechanism is made up of revolving support, motor, wheel box, gear, joist steel outrigger and electric block.Revolving support provides the revolution degree of freedom of rotary lifting mechanism and reaction of bearing (testing machine uses concrete model to inquire about the countries concerned's standard); Motor, wheel box and gear provide the rotary motive power of rotary lifting mechanism; Outrigger provides counter-force to support for electric block moves radially with vertical-lift; Electric block is the lifting working mechanism of rotary lifting mechanism; Rotary lifting mechanism is positioned on cladding plate, is connected with hydraulic cylinder by electric block.
Counter-force core tube vertical beam is ladle xoncrete structure, and Core Walls Structure vertical beam unitized construction is arranged in a combination by 30 degree of angles around axle center by 12 vertical beams,
The quantity of vertical beam is 12.
Upper cladding plate is load-bearing steel plate, for providing workbench for oil cylinder convolution promotes subsystem.
Upper hoop, middle hoop and lower hoop are cut into No. 30 trapezoidal joist steel be welded by two-layer.
The shape of cross section of self-equilibrating counter-force core tube is the dodecagon being connected to a circle in, and radius of a circle is 598mm.
Radial force charger comprises hydraulic cylinder and the hydraulic cylinder locating device of two or more radial direction setting.
Radial force charger comprises hydraulic cylinder and the hydraulic cylinder locating device of 12 radial settings.
Shield duct piece testing machine of the present invention comprises shield duct piece testing machine loading system as above.
Lower hoop is soldered to the tester base of described shield duct piece with fillet weld form.
Good effect of the present invention is as follows:
Shield duct piece testing machine loading system of the present invention replaces counter force wall to bear counter-force with self-equilibrating counter-force core tube, has following advantage: floor area is little, cost is low, applied range (being applicable to the shield duct piece ring that any internal diameter is greater than self-equilibrating counter-force core tube external diameter), described self-equilibrating counter-force core tube can carry out oil circuit and pipeline layout, uneven loading can be realized.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of shield duct piece testing machine loading system of the present invention.
Fig. 2 is the schematic diagram of the self-equilibrating counter-force core tube in shield duct piece testing machine loading system of the present invention.
Fig. 3 is the schematic top plan view of many vertical beams of self-equilibrating counter-force core tube in shield duct piece testing machine loading system of the present invention.
Fig. 4 is the schematic top plan view of the hoop of self-equilibrating counter-force core tube in shield duct piece testing machine loading system of the present invention.
Hoop, 9 hydraulic cylinder locating devices, 100 self-equilibrating counter-force core tube, 200 radial force chargers on hoop in cladding plate, 2 on 1,3 vertical beams, 4 bearing beams, 5 shield duct pieces, 6 hydraulic cylinders, 7 times hoops, 8.
Embodiment
For making object of the invention process, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the present invention's part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
In describing the invention; it will be appreciated that; term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limiting the scope of the invention.
Fig. 1 is the schematic diagram according to shield duct piece testing machine loading system of the present invention.Shield duct piece testing machine loading system shown in Fig. 1 comprises: self-equilibrating counter-force core tube 100 and multiple hydraulic cylinder 6.Hydraulic cylinder 6 horizontal radial extends.Hydraulic cylinder 6 is arranged on the outside of self-equilibrating counter-force core tube, and between the ring assembled at shield duct piece 5.The quantity of hydraulic cylinder 6 can be arranged as required.
Hydraulic cylinder 6 is used as radial force charger, for loading shield duct piece 5.In the embodiment shown in fig. 1, hydraulic cylinder 6 applies radially-inwardly the radial force of (for left in figure) by bearing beam 4 pairs of shield duct pieces 5.Be understandable that, hydraulic cylinder 6 can also apply radially outer radial force to shield duct piece 5, and now, bearing beam should be arranged on the radially inner side of shield duct piece 5.
Fig. 2 is the schematic diagram of the self-equilibrating counter-force core tube in the testing machine of shield duct piece shown in Fig. 1 loading system.Fig. 3 is the schematic top plan view of many vertical beams of the counter-force core tube of self-equilibrating shown in Fig. 2.Fig. 4 is the schematic top plan view of the hoop of the counter-force core tube of self-equilibrating shown in Fig. 2.
The effect of self-equilibrating counter-force core tube is mainly as follows:
1, hydraulic jack support reaction is provided;
2, hydraulic jack is provided vertically to slide and locating platform; And
3, for oil piping system and hydrostatic control hardware provide placement space.
Therefore, the height dimension of self-equilibrating counter-force core tube should meet testing machine hydraulic jack force Sizing requirements, and internal-and external diameter design should meet hydraulic control system hardware and place and the designing requirement of experimental implementation requisite space.
Counter-force core tube shown in Fig. 2 adopts the bundled tube open web type structure of reinforced concrete vertical beam composition, and arranges three layers of joist steel hoop in vertical beam bundled tube upper, middle and lower three positions and fix, and can bear the larger radial equilibrium power effect putting on cylindrical shell.Specifically, described self-equilibrating counter-force core tube comprises: upper cladding plate 1,12 vertical beams 3 and three hoops.Wherein, described upper cladding plate and three hoops are soldered to described vertical beam.
Upper cladding plate 1 is positioned at the top place of described Core Walls Structure.Advantageously, described upper cladding plate is load-bearing steel plate (such as, thick load-bearing steel plate, if thickness is at 8-12 millimeter, more specifically, is set to 10 millimeters), for providing workbench for oil cylinder convolution promotes subsystem.
12 vertical beams are of similar shape and size, and along a circle spacing arrangement.The quantity of described vertical beam is not limited to 12, also can be other suitable quantity (such as 10,6,18 etc.).The arrangement of described 12 vertical beams makes the shape of cross section of described self-equilibrating counter-force core tube be the regular polygon being connected to a circle in.Preferably, described radius of a circle is 598mm, and described regular polygon is dodecagon.
Three hoops 3 are respectively hoop, middle hoop and lower hoop.Described upper hoop is arranged on the top place of the periphery of described many vertical beams.Described upper hoop is arranged on the center of the periphery of described many vertical beams.Described upper hoop is arranged on the bottom of the periphery of described many vertical beams.
Advantageously, described hoop is welded by cutting into trapezoidal joist steel.In order to improve intensity, describedly being cut into No. 30 trapezoidal joist steel be welded by two-layer.
The present invention also provides a kind of shield duct piece testing machine, and described shield duct piece testing machine comprises shield duct piece testing machine loading system as above.
Preferably, described lower hoop is soldered to the tester base of described shield duct piece with fillet weld form.
Self-equilibrating counter-force core tube of the present invention adopts upper, middle and lower three hoops, effectively improves the intensity of whole self-equilibrating counter-force core tube, especially improves the ability of bearing radial equilibrium power.
Shield duct piece testing machine loading system of the present invention replaces counter force wall to bear counter-force with self-equilibrating counter-force core tube, has following advantage: floor area is little, cost is low, applied range (being applicable to the shield duct piece ring that any internal diameter is greater than self-equilibrating counter-force core tube external diameter), described self-equilibrating counter-force core tube can carry out oil circuit and pipeline layout, uneven loading can be realized.
Finally it is to be noted: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit.Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a shield duct piece testing machine loading system, it is characterized in that: this loading system comprises self-equilibrating counter-force core tube (100) and radial force charger (200), described radial force charger (200) is arranged on the outside of self-equilibrating counter-force core tube (100), and is positioned between ring that shield duct piece (5) assembles;
Described self-equilibrating counter-force core tube (100) is made up of upper cladding plate (1), upper hoop (8), middle hoop (2), lower hoop (7) and vertical beam (3); Upper cladding plate (1) is positioned at the top of self-equilibrating counter-force core tube (100); Many are of similar shape and arrange along a circle spacing with the vertical beam of size (3); The top of upper hoop (8) in the periphery of described many vertical beams (3) and the below of upper cladding plate (1); Middle hoop (2) is at the middle part of the periphery of described many vertical beams (3); And lower hoop (7) is in the bottom of the periphery of described many vertical beams (3), wherein, described upper cladding plate (1), upper hoop (8), middle hoop (2), lower hoop (7) and vertical beam (3) are by being welded to connect;
Radial force charger (200) is made up of hydraulic cylinder (6), hydraulic cylinder locating device (9) and bearing beam (4), and bearing beam (4) is positioned at shield duct piece (5) outside and is in contact with it; Hydraulic cylinder (6) is positioned at outside and shield duct piece (5) inner side of self-equilibrating counter-force core tube (100); Hydraulic cylinder locating device (9) is positioned at hydraulic cylinder (6) below; Hydraulic cylinder locating device (9) is connected with self-equilibrating counter-force core tube (100); Hydraulic cylinder (6) connects self-equilibrating counter-force core tube (100) and bearing beam (4) by round steel.
2. loading system as claimed in claim 1, is characterized in that: the quantity of vertical beam (3) is 12.
3. loading system as claimed in claim 1, is characterized in that: upper hoop (8), middle hoop (2) and lower hoop (7) are cut into No. 30 trapezoidal joist steel be welded by two-layer.
4. loading system as claimed in claim 1, it is characterized in that: the shape of cross section of self-equilibrating counter-force core tube is the dodecagon being connected to a circle in, radius of a circle is 598mm.
5. loading system as claimed in claim 1, is characterized in that: radial force charger (200) comprises hydraulic cylinder (6) and the hydraulic cylinder locating device (9) of two or more radial direction setting.
6. loading system as claimed in claim 5, is characterized in that: radial force charger (200) comprises hydraulic cylinder (6) and the hydraulic cylinder locating device (9) of 12 radial settings.
7. a shield duct piece testing machine, is characterized in that, comprises the shield duct piece testing machine loading system according to any one of claim 1-6.
8. shield duct piece testing machine as claimed in claim 7, is characterized in that: lower hoop (7) is soldered to the tester base of described shield duct piece with fillet weld form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310586582.1A CN103575529B (en) | 2013-11-21 | 2013-11-21 | A kind of shield duct piece testing machine loading system and shield duct piece testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310586582.1A CN103575529B (en) | 2013-11-21 | 2013-11-21 | A kind of shield duct piece testing machine loading system and shield duct piece testing machine |
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| Publication Number | Publication Date |
|---|---|
| CN103575529A CN103575529A (en) | 2014-02-12 |
| CN103575529B true CN103575529B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310586582.1A Expired - Fee Related CN103575529B (en) | 2013-11-21 | 2013-11-21 | A kind of shield duct piece testing machine loading system and shield duct piece testing machine |
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| CN (1) | CN103575529B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344637B (en) * | 2018-01-08 | 2024-04-26 | 同济大学 | Shield segment mechanics simulation test device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5174683A (en) * | 1990-04-02 | 1992-12-29 | Carlo Grandori | Telescopic double shield boring machine |
| DE19537387C1 (en) * | 1995-10-07 | 1997-05-28 | Hochtief Ag Hoch Tiefbauten | Expander station for underground pipe advancing of tunnel with circular cross=section |
| CN1327120A (en) * | 2000-06-01 | 2001-12-19 | 三菱重工业株式会社 | Tunnel excavator and excavating method |
| EP1650402A1 (en) * | 2004-10-20 | 2006-04-26 | Hochtief Construction AG | Method and apparatus for making tunnels by means of shield advancement |
| CN203561500U (en) * | 2013-11-21 | 2014-04-23 | 中国建筑股份有限公司 | Loading system of shield segment testing machine and shield segment testing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103025999B (en) * | 2010-05-26 | 2015-01-21 | 株木建设株式会社 | Tunnel excavation apparatus and tunnel excavation method |
-
2013
- 2013-11-21 CN CN201310586582.1A patent/CN103575529B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5174683A (en) * | 1990-04-02 | 1992-12-29 | Carlo Grandori | Telescopic double shield boring machine |
| DE19537387C1 (en) * | 1995-10-07 | 1997-05-28 | Hochtief Ag Hoch Tiefbauten | Expander station for underground pipe advancing of tunnel with circular cross=section |
| CN1327120A (en) * | 2000-06-01 | 2001-12-19 | 三菱重工业株式会社 | Tunnel excavator and excavating method |
| EP1650402A1 (en) * | 2004-10-20 | 2006-04-26 | Hochtief Construction AG | Method and apparatus for making tunnels by means of shield advancement |
| CN203561500U (en) * | 2013-11-21 | 2014-04-23 | 中国建筑股份有限公司 | Loading system of shield segment testing machine and shield segment testing machine |
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| CN103575529A (en) | 2014-02-12 |
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