CN208564565U - Anti- internal water pressure composite shield section of jurisdiction - Google Patents

Anti- internal water pressure composite shield section of jurisdiction Download PDF

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Publication number
CN208564565U
CN208564565U CN201820752752.7U CN201820752752U CN208564565U CN 208564565 U CN208564565 U CN 208564565U CN 201820752752 U CN201820752752 U CN 201820752752U CN 208564565 U CN208564565 U CN 208564565U
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CN
China
Prior art keywords
jurisdiction
section
water pressure
ontology
internal water
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.)
Expired - Fee Related
Application number
CN201820752752.7U
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Chinese (zh)
Inventor
江如汉
陈德汉
邹允福
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Nanhai Nanyuan Water Conservancy And Hydropower Survey And Design Institute Co Ltd
Original Assignee
Foshan Nanhai Nanyuan Water Conservancy And Hydropower Survey And Design Institute Co Ltd
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Publication date
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Priority to CN201820752752.7U priority Critical patent/CN208564565U/en
Application granted granted Critical
Publication of CN208564565U publication Critical patent/CN208564565U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of anti-internal water pressure composite shield sections of jurisdiction, it is related to shield tunnel field, for the problem of section of jurisdiction bonding strength deficiency in the prior art, provide following technical scheme: including section of jurisdiction ontology, resistance to compression steel plate is equipped on the inside of the ontology of section of jurisdiction, resistance to compression steel plate offers connector, section of jurisdiction ontology is arranged with link slot in connector, connecting hole is equipped in link slot, the fastener for connecting adjacent another section of jurisdiction ontology is equipped in connecting hole, fastener, which is connected with, is butted on fastener mutually to limit the limit assembly of fastener loosening.The compression strength of section of jurisdiction entirety is enhanced by high-intensitive resistance to compression steel plate; make to connect between section of jurisdiction using fastener fastening more stable; by sealing block protection bolt not by the erosion of water flow; so that flow action is on the higher steel plate of intensity and sealing block, so that anti-internal water pressure composite shield section of jurisdiction be made to have better anti-internal pressure capability.

Description

Anti- internal water pressure composite shield section of jurisdiction
Technical field
The utility model relates to shield tunnel fields, more specifically, it relates to a kind of anti-internal water pressure composite shield Section of jurisdiction.
Background technique
Shield method is the Fully-mechanized construction method of one of shallow mining method.It is promoted in ground by Shield-type machinery, together When assembly precast concrete section of jurisdiction, a kind of mechanized construction method of tunnel structure is formed, without above ground structure of removing, to friendship Logical and environment influence is small, adapts to most of geological conditions, and speed of application is fast, high-quality, in engineerings such as municipal administration, railway, highways It is widely used in construction.
Since the superiority of shield-tunneling construction is also gradually used more widely, in the construction of hydraulic and hydroelectric engineering tunnel in this A problem is also produced simultaneously, vital component in shield-tunneling construction --- section of jurisdiction is also faced with new performance requirement, leads to Normal section of jurisdiction can only undertake soil pressure, the load action of groundwater pressure etc., need in tunnel lining concrete or peace again Dress aqueduct could cope with the water pressure in tunnel.
Currently, the Chinese patent of Publication No. CN206338075U discloses a kind of shield duct piece, it includes reinforced concrete Native section of jurisdiction;The pre-buried steel plate member being covered on reinforced concrete segment inner wall, steel plate member include being inlaid in armored concrete The steel plate frame of section of jurisdiction inner wall edge and the resistance to compression steel plate being connected to form one with steel plate frame;And junction steel plate, connect steel The both ends of plate are connected on the steel plate frame of adjacent reinforced concrete section of jurisdiction.
Although this shield duct piece overcomes the shortcomings that existing section of jurisdiction cannot resist internal pressure, and without pouring on the inside of section of jurisdiction Secondary lining armored concrete, but the shield duct piece connection type is single, connects entire shield duct piece by steel plate merely, and There is no the effect of the power mutually fastened between section of jurisdiction, for steel plate, section of jurisdiction is primarily subjected to relatively large tunnel external pressure Effect, and the intensity of section of jurisdiction is lower than steel plate, is easier to loosen between section of jurisdiction, due to the deformation journey of section of jurisdiction and steel plate after stress Spend different, the stability for causing section of jurisdiction to connect with steel plate is not high, is unfavorable for the safety of shield tunnel.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of anti-internal water pressure combined type shields Structure section of jurisdiction guarantees while internal pressure capability is resisted in single section of jurisdiction stable connection between difference section of jurisdiction.
To achieve the above object, the utility model provides following technical solution:
A kind of anti-internal water pressure composite shield section of jurisdiction, including section of jurisdiction ontology, the section of jurisdiction ontology inside are equipped with resistance to compression steel Plate, the resistance to compression steel plate offer connector, and the section of jurisdiction ontology is arranged with link slot in connector, sets in the link slot There is connecting hole, the fastener for connecting adjacent another section of jurisdiction ontology is equipped in the connecting hole, is equipped with phase in the link slot Fastener is butted on to limit the limit assembly of fastener loosening.
By adopting the above technical scheme, it since pipeline internal water pressure is larger, by the way that resistance to compression steel plate is arranged in section of jurisdiction inner wall, utilizes The high intensity of resistance to compression steel plate improves the ability that inner pipe water pressure is integrally born in section of jurisdiction, to avoid lining-up again or be laid with pipe Road, so that the duration greatly shortens.Connecting hole is opened up on anti-internal water pressure composite shield section of jurisdiction, and fastens phase with fastener Adjacent section of jurisdiction, so that the binding force between section of jurisdiction is bigger, connection is more stable, avoids deformation between resistance to compression steel plate and section of jurisdiction ontology Degree it is different and caused by connect unstable phenomenon, improve the ability that complex stress is resisted in section of jurisdiction, reduce section of jurisdiction damage Risk.In the case where bearing the hydraulic pressure and water impact in Water And Earth Pressures and hole complicated outside hole, fastener may in section of jurisdiction tunnel A degree of deformation can be generated and loosened.Limit assembly is equipped in link slot, so that fastener is not easy to answer by complexity Excessive loosening is generated under power, the compactness of section of jurisdiction connection obtains a degree of guarantee.
Preferably, the fastener includes the segment bolt being threaded through in connecting hole and is threadedly coupled with segment bolt Nut.
By adopting the above technical scheme, by realizing company between adjacent section of jurisdiction ontology being equipped with segment bolt in connecting hole It connects, this connection relationship is fastened by the nut being threadedly coupled with segment bolt, and segment bolt intensity is high, resistance to deformation energy Power is strong, and threaded connection is not easy to loosen, the stable connection between adjacent section of jurisdiction ontology.
Preferably, the connector is equipped with sealing block, and the nut side is equipped with conical tooth, and the limit assembly includes It is nibbled with the bevel gear of taper tooth engagement, with the co-axially fixed detent gear of bevel gear and being fixed on sealing block with detent gear The limit rack gear of conjunction.
By adopting the above technical scheme, by the way that sealing block is arranged on connecting hole, protect bolt not by the erosion of water flow, and steel Plate and sealing block become an entirety, so that anti-internal water pressure composite shield section of jurisdiction be made to have better anti-internal pressure capability.It is logical The intermeshing between gear is crossed, so that nut will receive the effect of very big obstruction power when loosening, so that nut With being connected firmly for segment bolt.
Preferably, the sealing block is equipped with groove, slidably connect in the groove moved along groove depth direction it is removable Movable plate, is connected with spring between the movable panel and bottom portion of groove, the limit rack gear is fixed in movable panel.
By adopting the above technical scheme, when water flow pressure acts in movable panel, movable panel has past connecting hole to move Trend or moved toward connecting hole direction, and then the limit rack gear that is disposed thereon is driven to tend to or transport towards connecting hole direction It is dynamic, since limit rack gear is engaged with detent gear, so limit rack gear converts the pressure of water flow to and acts on detent gear Rotary force, be transferred to conical tooth with the bevel gear of detent gear coaxial arrangement by same rotary force and by the power On nut, nut is consistent by the direction of the rotary force and the direction of fastening nut, so that the connection between section of jurisdiction is not easy to loosen, mentions The stability connected between high section of jurisdiction.
Preferably, the limit rack gear and movable panel are rotatablely connected, the junction of the limit rack gear and movable panel Equipped with sealing element.
By adopting the above technical scheme, when lid closes sealing block, if engage limit rack gear with detent gear, it will be by To very big drag effect, after limit rack gear and movable panel rotation connection, band tooth side and the card of rack gear can will be limited Position gear is staggered, and in complete Gai Hehou, rotary stopper rack gear operates more convenient so that limit rack gear is engaged with detent gear.
Preferably, the limit rack gear is connected with rack gear knob.
By adopting the above technical scheme, make the operation of rotary stopper rack gear more by the way that rack gear knob is arranged on limit rack gear It is convenient and strength-saving.
Preferably, the detent gear is detachably connected with bevel gear.
By adopting the above technical scheme, due in connecting hole space it is limited, to section of jurisdiction carry out bolt it is fixed when, in order to There can be sufficiently large operating space, detent gear and the bevel gear of coaxial arrangement are disassembled, when bolt fixing step is complete It is resetted at and then by detent gear and bevel gear installation, to cooperate with sealing block.
Preferably, section of jurisdiction ontology one end be equipped with groove, the opposite other end of the section of jurisdiction ontology be equipped with it is adjacent The convex block of the groove clamping of another section of jurisdiction ontology.
By adopting the above technical scheme, by the way that groove and convex block are arranged on the ontology of section of jurisdiction, so that between adjacent section of jurisdiction ontology It is mutually clamped, being more uniformly stressed between section of jurisdiction connects more stable.
Preferably, movable plate rubber pad is equipped between the movable panel and sealing block.
By adopting the above technical scheme, in order to keep the anti-pressure ability of anti-internal water pressure composite shield section of jurisdiction entirety stronger, and And bolt is avoided to meet accelerating corrosion after water, the sealing performance of sealing block must reache a certain level, in movable panel and sealing block Between waterproof rubber ring is set, avoid movable panel and sealing block from generating water inlet phenomenon under excessive hydraulic pressure, it is further to increase The waterproof performance of strong sealing block.
In conclusion the utility model has the following beneficial effects:
1. passing through the combination of resistance to compression steel plate and section of jurisdiction ontology, has the advantages that good anti-external and internal pressure;
2. avoiding bolt from meeting scale erosion, and to be bolted more stable by the sealing function of sealing block;
3. by limit assembly to the position-limiting action of nut, so that the connection of nut and segment bolt is more stable.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model anti-internal water pressure composite shield section of jurisdiction;
Fig. 2 is the utility model light plate rubber pad and section of jurisdiction rubber pad link position schematic diagram;
Fig. 3 is link slot schematic diagram of internal structure in the utility model;
Fig. 4 is sealing block diagrammatic cross-section in the utility model;
Fig. 5 is the schematic diagram of internal structure of limit assembly in the utility model;
Fig. 6 is sealing block structure enlargement diagram in the utility model.
In figure: 1, section of jurisdiction ontology;11, card slot;12, convex block;13, section of jurisdiction rubber pad;14, connector;2, resistance to compression steel plate; 21, steel plate rubber pad;22, square groove;221, circular hole;23, steel plate bolt;24, link slot;241, connecting hole;3, sealing block;31, Movable panel;311, movable plate rubber pad;32, rack gear is limited;321, rack gear knob;322, rack gear rubber pad;323, fixture block; 33, groove;34, rib;35, spring;4, detent gear;41, bevel gear;5, fastener;51, segment bolt;52, nut; 521, conical tooth;6, limit assembly.
Specific embodiment
With reference to the accompanying drawings and embodiments, the utility model is described in detail.
A kind of anti-internal water pressure composite shield section of jurisdiction exists including arc-shaped section of jurisdiction ontology 1, and setting referring to Fig.1 The resistance to compression steel plate 2 that ontology 1 inside in section of jurisdiction is bonded with section of jurisdiction ontology 1, section of jurisdiction ontology 1 are formed by concreting, and resistance to compression steel plate 2 is pre- It is embedded in the connection realized in section of jurisdiction ontology 1 with section of jurisdiction ontology 1.
Resistance to compression steel plate 2 is equipped with square groove 22, and square groove 22 offers circular hole 221, circular hole close to 2 edge side of resistance to compression steel plate Steel plate bolt 23 is equipped in 221, steel plate bolt 23 is inserted into after passing through circular hole 221 from adjacent another 2 side of resistance to compression steel plate, real Connection between existing adjacent resistance to compression steel plate 2.
Section of jurisdiction ontology 1 includes four horizontal sides, wherein two adjacent sides offer card slot 11, section of jurisdiction ontology 1 is in addition Two sides are equipped with convex block 12, and the convex block 12 on card slot 11 and adjacent another section of jurisdiction ontology 1 on section of jurisdiction ontology 1 is mutually clamped, Adjacent section of jurisdiction ontology 1 is set to be spliced into an entirety.
Referring to Fig. 2, it is circumferentially with section of jurisdiction rubber pad 13 along the side of section of jurisdiction ontology 1, is circumferentially with along 2 side of resistance to compression steel plate Steel plate rubber pad 21, section of jurisdiction rubber pad 13 and steel plate rubber pad 21 for enhance adjacent section of jurisdiction ontology 1 and adjacent resistance to compression steel plate 2 it Between waterproof seal.
Referring to Fig.1 with Fig. 3, connector 14 is offered on resistance to compression steel plate 2, section of jurisdiction ontology 1 offers below connector 14 Link slot 24, link slot 24 offer connecting hole 241 on the side wall at 1 edge of section of jurisdiction ontology, and connecting hole 241 is from link slot 24 Side wall is connected to section of jurisdiction ontology 1 and is equipped with fastener 5 and adjacent section of jurisdiction ontology 1 company in the side of link slot 24, connecting hole 241 It connects, fastener 5 is the segment bolt 51 of arc and the nut 52 that is threadedly coupled with segment bolt 51, connector in the present embodiment 14 are equipped with sealing block 3 is fastened by water erosion, sealing block 3 and resistance to compression steel plate 2 by screw to avoid segment bolt.
Referring to Fig. 3 and Fig. 4, fluted 33 are opened up on sealing block 3, is equipped with inside groove 33 and fits closely with 33 side of groove Movable panel 31, movable panel 31 can slide along the depth direction of groove 33, and the opening of groove 33 is equipped with rib 34 and prevents Movable panel 31 skids off.
Referring to Fig. 3 and Fig. 5, the limit assembly 6 of the restricted rotation of nut 52 of setting, limit assembly 6 include in link slot 24 Bevel gear 41 in link slot 24 and the co-axially fixed detent gear 4 of bevel gear 41 and setting are set in movable panel 31 On limit rack gear 32, limit rack gear 32 protrudes into link slot 24 through sealing block 3.
Bevel gear 41 engages with the conical tooth 521 on nut 52,3 Gai Hehou of sealing block, and limit rack gear 32 can be with detent tooth 4 engagement of wheel, when limit rack gear 32 is slided with movable panel 31 into groove 33, nut 52 is passed by between pitch wheel There is the trend towards the rotation of the direction of fastening duct piece bolt 51 or rotation in the effect for the power passed.
Referring to Fig. 4, the junction of limit rack gear 32 and movable panel 31 be equipped with rack gear rubber pad 322 prevent junction into Water, the side that movable panel 31 is contacted with groove 33 are equipped with movable plate rubber pad 311, hinder movable panel 31 to avoid water inlet It is slided into groove 33, movable panel 31 is equipped with the spring 35 for being connected to 33 bottom of groove close to 33 side of groove, removable One buffer function is provided when plate 31 slides.
Referring to Fig. 6, limit rack gear 32 is equipped with the rack gear knob 321 of strip, and rack gear knob 321 is located at movable panel 31 Far from 33 side of groove.
The operating condition and principle of the present embodiment are as follows:
When splicing with adjacent shield duct piece, sealing block 3 is opened, and detent gear 4 and bevel gear 41 are in disassembly status, makes to resist The card slot 11 of internal water pressure composite shield section of jurisdiction and the convex block 12 of adjacent anti-internal water pressure composite shield section of jurisdiction are spliced into one Segment bolt 51 is penetrated from connecting hole 241 and is pierced by out of the connecting hole of adjacent section of jurisdiction 241 by a entirety, tight using nut 52 Connection between solid phase neighbour section of jurisdiction, installation detent gear 4 and bevel gear 41, engage bevel gear 41 with nut 52, rotated rack rotation Button 321 makes the band tooth side for limiting rack gear 32 be staggered with detent gear 4, sealing block 3 is inserted into link slot 24, and tight with screw Gu rotated rack knob 321 engages limit rack gear 32 with detent gear 4 again.When segment bolt 51 is under stress When nut 52 being made to generate loosening, limit rack gear 32 will hinder the rotation of nut 52.When being full of water flow in tunnel, hydraulic pressure is acted on In movable panel 31, give movable panel 31 1 power moved to 33 direction of groove, this power is passed to limit by movable panel 31 Position rack gear 32 limits rack gear 32 for inward force and passes to detent gear 4, is finally transmitted to nut 52 by bevel gear 41, makes Effect of the nut 52 by the rotary force in 51 direction of fastening duct piece bolt.
It is embedded with resistance to compression steel plate 2 on section of jurisdiction ontology 1, by the high intensity of resistance to compression steel plate 2, improves the resistance to compression of section of jurisdiction entirety Intensity, especially internal pressure strength.
The convex block 12 of the card slot 11 of section of jurisdiction and adjacent section of jurisdiction ontology 1 is connected with each other, so that the company between different sections of jurisdiction ontology 1 It connects more closely, section of jurisdiction stress can preferably be transferred to adjacent section of jurisdiction, and tunnel entirety stress is more uniform.
Adjacent section of jurisdiction ontology 1 is connected using segment bolt 5, adjacent resistance to compression steel plate 2 is connected using screw, avoids resistance to compression steel plate 2 it is different from 1 deformation degree of section of jurisdiction ontology and caused by connect unstable situation, improve the safety in tunnel.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (9)

1. a kind of anti-internal water pressure composite shield section of jurisdiction, including section of jurisdiction ontology (1), section of jurisdiction ontology (1) inside is equipped with anti- Laminated steel (2), it is characterized in that: the resistance to compression steel plate (2) offers connector (14), the section of jurisdiction ontology (1) is under connector It is provided with link slot (24), is equipped with connecting hole (241) in the link slot (24), be equipped with connection in the connecting hole (241) The fastener (5) of adjacent another section of jurisdiction ontology (1), interior be equipped with of the link slot (24) are butted on fastener (5) mutually to limit tightly The limit assembly (6) that firmware (5) loosens.
2. anti-internal water pressure composite shield section of jurisdiction according to claim 1, it is characterized in that: the fastener (5) includes The segment bolt (51) being threaded through in connecting hole (241) and the nut (52) being threadedly coupled with segment bolt.
3. anti-internal water pressure composite shield section of jurisdiction according to claim 2, it is characterized in that: being set on the connector (14) Have sealing block (3), nut (52) side is equipped with conical tooth (521), and the limit assembly (6) includes and conical tooth (521) The bevel gear (41) of engagement, with bevel gear (41) co-axially fixed detent gear (4) and be fixed on sealing block (3) and detent The limit rack gear (32) of gear (4) engagement.
4. anti-internal water pressure composite shield section of jurisdiction according to claim 3, it is characterized in that: being set on the sealing block (3) Fluted (33), the groove (33) is interior to slidably connect the movable panel (31) moved along groove depth direction, the movable panel It is connected with spring (35) between groove (33) bottom, the limit rack gear (32) is fixed on movable panel (31).
5. anti-internal water pressure composite shield section of jurisdiction according to claim 3, it is characterized in that: the limit rack gear with it is removable Movable plate (31) rotation connection, limit rack gear (32) and the junction of movable panel (31) are equipped with sealing element (322).
6. anti-internal water pressure composite shield section of jurisdiction according to claim 4, it is characterized in that: the limit rack gear (32) is even It is connected to rack gear knob (321).
7. anti-internal water pressure composite shield section of jurisdiction according to claim 3, it is characterized in that: the detent gear (4) with Bevel gear (41) is detachably connected.
8. anti-internal water pressure composite shield section of jurisdiction according to claim 1, it is characterized in that: the section of jurisdiction ontology (1) one End is equipped with groove (11), and the section of jurisdiction ontology other end is equipped with the convex block being clamped with the groove (11) of adjacent another section of jurisdiction ontology (12)。
9. anti-internal water pressure composite shield section of jurisdiction according to claim 3, it is characterized in that: the movable panel (31) with Movable plate rubber pad (311) are equipped between sealing block (3).
CN201820752752.7U 2018-05-17 2018-05-17 Anti- internal water pressure composite shield section of jurisdiction Expired - Fee Related CN208564565U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820752752.7U CN208564565U (en) 2018-05-17 2018-05-17 Anti- internal water pressure composite shield section of jurisdiction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820752752.7U CN208564565U (en) 2018-05-17 2018-05-17 Anti- internal water pressure composite shield section of jurisdiction

Publications (1)

Publication Number Publication Date
CN208564565U true CN208564565U (en) 2019-03-01

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Family Applications (1)

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Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112727496A (en) * 2020-12-31 2021-04-30 李艳艳 Building shield segment
CN113832931A (en) * 2021-09-17 2021-12-24 中国建筑第八工程局有限公司 High-stability ditch for transportation in cold region

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112727496A (en) * 2020-12-31 2021-04-30 李艳艳 Building shield segment
CN112727496B (en) * 2020-12-31 2023-12-19 中流砥柱(广州)新材料有限公司 Building shield constructs section of jurisdiction
CN113832931A (en) * 2021-09-17 2021-12-24 中国建筑第八工程局有限公司 High-stability ditch for transportation in cold region
CN113832931B (en) * 2021-09-17 2022-07-12 中国建筑第八工程局有限公司 Ditch with strong stability for transportation in cold regions

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190301

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