CN204151745U - A kind of plugging device for tunnel - Google Patents
A kind of plugging device for tunnel Download PDFInfo
- Publication number
- CN204151745U CN204151745U CN201420535400.8U CN201420535400U CN204151745U CN 204151745 U CN204151745 U CN 204151745U CN 201420535400 U CN201420535400 U CN 201420535400U CN 204151745 U CN204151745 U CN 204151745U
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- China
- Prior art keywords
- tunnel
- closure part
- plugging device
- supporting component
- stiffener assembly
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to a kind of plugging device for tunnel, and it comprises: along the supporting component crossing flow path direction setting of tunnel; Be connected with described supporting component, to prevent the stiffener assembly of described supporting component generation deformation; Wherein, described supporting component the second closure part of comprising the first closure part and being connected with described first closure part; Described stiffener assembly comprises at least two stitching sections and is connected to increase the connecting portion of described stitching section quantity with described at least two stitching sections.Described plugging device has installation and convenient disassembly, flexibly advantage and has that verticality is good, the advantage of firm position.
Description
Technical field
The utility model relates to Hydraulic and Hydro-Power Engineering technical field, particularly relates to a kind of plugging device for tunnel.
Background technology
In hydraulic engineering construction, shutoff is carried out to the hydraulic tunnel that will go out of use, as diversion tunnel, geology exploratory heading and working tunnel etc.; Or to being carried out shutoff by the hydraulic tunnel reconstructed, as flood discharging tunnel, power tunnels, emptying tunnel, drinking-water irrigation tunnel etc.Occluding body is longitudinally arranged on the flow-passing surface of hydraulic tunnel, and it will bear internal water pressure.Can the intensity of this occluding body self meet the strong size of interior hydraulic pressure, realize hydraulic tunnel shutoff very important to this occluding body.Size, the geological conditions and service requirement etc. of the internal water pressure that the build of occluding body and length should be born according to occluding body are considered.Current occluding body is typically designed to cylindricality, and this occluding body is the rigid body that head load peripherally produces quiet shearing.Wherein, quiet shear stress is peripherally uniformly distributed.In the specific implementation, multiple shearing resistance keyway is set usually in occluding body, makes this occluding body meet the demand of antiskid.
There is the problem being not easy to install and dismantle in occluding body of the prior art.
Utility model content
For the problems referred to above, according to the utility model proposes a kind of plugging device for tunnel, it comprises: along the supporting component crossing flow path direction setting of tunnel; Be connected with described supporting component, to prevent the stiffener assembly of described supporting component generation deformation; Wherein, described supporting component the second closure part of comprising the first closure part and being connected with described first closure part; Described stiffener assembly comprises at least two stitching sections and is connected to increase the connecting portion of described stitching section quantity with described at least two stitching sections.The two ends of tunnel are respectively upstream face and back side.By supporting component being arranged on the shutoff sectional position of this tunnel, then stiffener assembly is connected with this supporting component, thus, enhance the bulk strength of this supporting component.By making the first closure part of the bottom being arranged on tunnel fixedly positioning, then the second closure part is set on the first closure part, thus is combined into this supporting component.Wherein, this first closure part and the second closure part are detachable connection, therefore, in the process of installing and dismantle more for convenience.Stiffener assembly by being provided with connecting portion between every two stitching sections, until the size of this stiffener assembly and supporting component measure-alike till.As can be seen here, this stiffener assembly is spliced, but not one-body molded, and this is not only convenient to install and dismounting, also saves a large amount of man power and materials.After supporting component and stiffener assembly have been built, this supporting component and stiffener assembly are linked together.Then the upstream face side concreting to stiffener assembly towards tunnel, withstands this supporting component by steel form carrier towards the end of the upstream face side of tunnel before building.Thus, level active force is to the right produced to the axis of this supporting component and stiffener assembly, prevent in the process of concreting, because this supporting component and stiffener assembly cannot bear along crossing the pressure of flow path direction (namely level left) and run-off the straight, causing cannot the phenomenon of concreting smoothly.Meanwhile, in the process of concreting, effectively prevent this supporting component and stiffener assembly deforms.Along with the continuous formation of this occluding body, achieve tunnel shutoff gradually, until this occluding body is fully formed, thus by complete for this tunnel shutoff.
Preferably, described first closure part is detachable connection with described second closure part.Like this, installation and the dismounting of the first closure part and the second closure part is convenient to.
Preferably, described first closure part comprises keeper, the first girth member and the first steady part, described first girth member is set on the periphery wall of described keeper, and the described first steady part and the mutual rectilinear setting of described first girth member, to form net structure.First girth member is set on the periphery wall of keeper, makes this first girth member under the supporting role of keeper, is vertically fixed in tunnel.In addition, this first girth member is set on the periphery wall of keeper, after the wall thickness of the periphery wall of this keeper is become, therefore, increases flexural strength and the torsional strength of this keeper.Meanwhile, this first closure part is also made to have good verticality, not easily run-off the straight.When this first steady form net structure between part and the first girth member after, make the overall structure of this first closure part more stable, enhance flexural strength and the torsional strength of this first closure part.
Preferably, described keeper is shank member, and described first girth member is the first steel pipe fitting, and the described first steady part is the second steel pipe fitting.
Preferably, described second closure part comprises second girth member that connect corresponding to described first steel pipe fitting and also comprises the second steady part with the mutual rectilinear setting of described second girth member, to form net structure.
Preferably, described second girth member is the 3rd steel pipe fitting, and the described second steady part is the 4th steel pipe fitting.
Preferably, described stitching section is steel plate, and described connecting portion is angle bar, and described angle bar is by being weldingly fixed on described steel plate.
Preferably, described supporting component and described stiffener assembly are all vertically set on the shutoff section of described tunnel, and described stiffener assembly forms occluding body towards the upstream face side of described tunnel, and described occluding body is with tunnel described in shutoff.
Preferably, the periphery of described occluding body is provided with the sealing in the gap between the described tunnel of sealing and described occluding body.Sealing portion is used for the gap (this gap mainly produces in work progress) between sealing blocking body and tunnel, especially focusing on the sealing to tunnel top.Like this, when occluding body bears certain water impact towards the upstream face side crossed on flow path direction, the periphery generation seepage in occluding body can effectively be prevented.
Preferably, described sealing is waterstop or steel plate for sealing water.
According to the utility model, described plugging device there is installation and convenient disassembly, flexibly advantage and have that verticality is good, firm position, saving material and the advantage that reduces costs.
Accompanying drawing explanation
Also will be described in more detail the utility model with reference to accompanying drawing based on embodiment hereinafter.In the drawings:
Fig. 1 is the front overall structure schematic diagram of the utility model for the plugging device of tunnel.
Fig. 2 is the composition structural representation of the utility model for the stiffener assembly of the plugging device of tunnel.
The side overall structure schematic diagram of Fig. 3 to be the utility model for the plugging device of tunnel be arranged in tunnel.
In the accompanying drawings, identical parts use identical Reference numeral.Accompanying drawing is not according to the scaling of reality.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Refer to Fig. 1 and Fig. 2, it is respectively the utility model for the front overall structure schematic diagram of the plugging device of tunnel and the utility model composition structural representation for the stiffener assembly of the plugging device of tunnel.As shown in the figure, described plugging device comprises supporting component 2, stiffener assembly 3 and sealing 4.Wherein, this supporting component 2 and stiffener assembly 3 are all vertically set on the shutoff section of tunnel 1 (see Fig. 3) as described below.
In the embodiment of the application, this supporting component 2 comprises the first closure part 21 and the second closure part 22.In a preferred embodiment, the first closure part 21 and the second closure part 22 are detachable connection, are convenient to both installation and dismounting like this.Wherein, the first closure part 21 is vertically set on the bottom of tunnel 1, and the second closure part 22 is then vertically set on the upper end of described first closure part 21, and leans mutually with the top of tunnel 1.
In a preferred embodiment, the first closure part 21 comprises keeper 211, first girth member 212 and the first steady part 213.This keeper 211 divides the shutoff section being located at tunnel 1 side by side, and one end of this keeper 211 is stretched in rock stratum, and the other end is arranged in tunnel 1.Wherein, this keeper 211 degree of depth stretched in the basal bed of tunnel 1 can be the half of the entire length of this keeper 211.Like this, make this keeper 211 have enough positioning intensities, can be securely fixed in tunnel 1, prevent under the effect of external force, make this keeper 211 run-off the straight.First girth member 212 is set on the periphery wall of keeper 211, makes this first girth member 212 under the supporting role of keeper 211, is vertically fixed in tunnel 1.In addition, this first girth member 212 is set on the periphery wall of keeper 211, adds the wall thickness of the periphery wall of this keeper 211, thus, also enhance flexural strength and the torsional strength of this keeper 211.In addition, this first closure part 21 is also made to have good verticality, not easily run-off the straight.In a preferred embodiment, this keeper 211 is shank member, and this first girth member 212 is the first steel pipe fitting.
In a preferred embodiment, the diameter range of shank member is for being more than or equal to 25 centimetres and being less than or equal to 32 centimetres.When the diameter range of shank member is when being more than or equal to 25 centimetres and be less than or equal to 32 centimetres, the Torsion Section coefficient of this shank member can be made less.Thus when the compression shock that concreting produces is on shank member, because the Torsion Section coefficient of this shank member is less, therefore, this shank member can obtain larger shear stress.Like this, this shank member will be made to have higher torsional strength, in the process of concreting, can not deform.If the diameter of this shank member is less than 25 centimetres, then can not ensure that this shank member meets the requirement of rigidity, flexural strength and torsional strength preferably.If the diameter of this shank member is greater than 32 centimetres, then waste steel widely, and then, waste unnecessary cost.So the diameter range of this shank member is for being more than or equal to 25 centimetres and being less than or equal to 32 centimetres, and optimal value is wherein such as 25 centimetres, 28 centimetres or 32 centimetres.
In a preferred embodiment, the first steady part 213 and mutual rectilinear setting of the first girth member 212, finally makes to form net structure between this first steady part 213 and first girth member 212.Form net structure between this first steady part 213 and first girth member 212 after, make the overall structure of this first closure part 21 more stable, enhance flexural strength and the torsional strength of this first closure part 21.Meanwhile, when the upstream face A side to stiffener assembly 3 as described below towards tunnel 1 starts concreting, in the process of constantly building, can produce level pressure left, this pressure acts on this stiffener assembly 3.Be subject to the effect of steel form carrier 6 (see Fig. 3) level support force to the right as described below in this first closure part 21 under, this first closure part 21 can act on level active force to the right on stiffener assembly 3.Thus, effectively avoid this stiffener assembly 3 to deform or run-off the straight.In a preferred embodiment, this first steady part 213 is the second steel pipe fitting or can be any parts with the material of better strength and stiffness.
In a preferred embodiment, the spacing range between shank member is for being more than or equal to 50 centimetres and being less than or equal to 70 centimetres.Like this, make this shank member with the second steel pipe fitting mutually vertical fixing after, make entirety have good strength and stiffness.Further, the Rigidity and strength that entirety has is uniformly distributed, and rigidity or intensity that a certain region can not occur are larger, and the rigidity in another region or the less problem of intensity, thus, avoid holding because of a certain region can't stand certain rigidity or intensity and deformation occurring, the phenomenon be even damaged.If the distance between shank member be set to be less than 50 centimetres, then not only need a large amount of shank member, meanwhile, have also increased dramatically man power and material.If the spacing between shank member is set to be greater than 70 centimetres, then can make this shank member when mutual vertical with the second steel pipe fitting, because spacing is excessive, and the requirement of strength supporting and fix this second steel pipe fitting cannot be met, so, the phenomenon bent may be there is.Therefore, the spacing range between shank member is for being more than or equal to 50 centimetres and being less than or equal to 70 centimetres, and optimal value is wherein such as 55 centimetres, 60 centimetres or 70 centimetres.
In a preferred embodiment, the second closure part 22 comprises the second girth member 221 and the second steady part 222.Wherein, this second girth member 221 is corresponding with the first girth member 212 connects.In the embodiment of the application, this second girth member 221 connects with the corresponding fastener type of the first steel pipe fitting.Thus, this second girth member 221 can be securely fixed on the first steel pipe fitting, realize the connection between the second closure part 22 and the first closure part 21.This second steady part 222 and the mutual rectilinear setting of the second girth member 221, thus, form net structure between this second steady part 222 and second girth member 221.Forming cancellated effect identical with the cancellated effect that aforementioned first closure part 21 is formed, for avoiding repeating, no longer describing in detail herein.Make the first closure part 21 and the second closure part 22 can combine as a whole preferably like this, be arranged on securely in tunnel 1.Because the combination of the first closure part 21 and the second closure part 22 is detachable connections, therefore, not only convenient combination is also for convenience detach to make both.Tunnel 1 is in rock stratum, and geographical environment is relatively more severe, and this brings difficulty to the huge object of transportation volume.And the first shutoff 21 in the application and the second closure part 22 are just can Combined splice, so not only difficulty can not be brought to transport, on the contrary convenient transport.In a preferred embodiment, this second girth member 221 is the 3rd steel pipe fitting, and this second steady part 222 is the 4th steel pipe fitting.
Stiffener assembly 3 is connected with supporting component 2.As shown in Figure 2, this stiffener assembly 3 comprises stitching section 31 and connecting portion 32.Wherein, the quantity of stitching section 31 is at least two.Connecting portion 32 is used for connecting stitching section 31, is namely connected by a connecting portion 32 between every two stitching sections 31.Thus, by the connection of this connecting portion 32, add the quantity of stitching section 31.Meanwhile, this connecting portion 32 makes two or more stitching section 31 connect as a whole.Thus, this stiffener assembly 3 is easy to dismounting and installs, and dismantles and install comparatively flexible.The size of this stiffener assembly 3 is just identical with the sectional dimension of tunnel 1 or more bigger than the sectional dimension of this tunnel 1; the effect protecting this first closure part 21 and the second closure part 22 preferably can be played like this; simultaneously; sectional dimension due to this stiffener assembly 3 is greater than or equal to the sectional area summation of this first closure part 21 and the second closure part 22; therefore, it is possible to prevent this first closure part 21 and the second closure part 22 from deforming preferably.The setting of this stiffener assembly 3, enhances bulk strength and the rigidity of supporting component 2 just.Therefore, in the process of concreting, when this supporting component 2 and stiffener assembly 3 are subject to the pressure produced in concreting process, the phenomenon that can not topple over.In a preferred embodiment, stitching section 31 is steel plate 311, and connecting portion 32 is angle bar.Wherein, angle bar is by being weldingly fixed on this steel plate 311.In the embodiment of the application, stiffener assembly 3 is designed to the spliced and non-integral type of polylith, namely such setting avoids installs difficulty in tunnel 1, cost savings steel again.In addition, because this stiffener assembly 3 is spliced, therefore, lighter weight, is convenient to install, save manpower.
In a preferred embodiment, by upstream face A (see Fig. 3) the side concreting to stiffener assembly 3, therefore, in the upstream face A side formation occluding body 4 of stiffener assembly 3 towards tunnel 1.Tunnel 1, in the process constantly formed, is carried out shutoff by occluding body 4 gradually.The periphery of occluding body 4 is provided with sealing 5 (see Fig. 1), and sealing portion 5 is used for the gap (this gap mainly produces in work progress) between sealing blocking body 4 and tunnel 1, especially focusing on the sealing to tunnel 1 top.Like this, when occluding body 4 bears certain water impact towards the upstream face A side crossed on flow path direction, the periphery generation seepage in occluding body 4 can effectively be prevented.In a preferred embodiment, sealing portion 5 is waterstop or steel plate for sealing water.Because the structure of this waterstop or steel plate for sealing water and purposes are well-known to those having ordinary skill in the art, so place is no longer described in detail.
Refer to Fig. 3, it is used for the side overall structure schematic diagram that the plugging device of tunnel is arranged in tunnel for the utility model.As shown in the figure, this tunnel 1 is arranged in rock stratum, and namely the periphery of this tunnel 1 is rock stratum, and one end of this tunnel 1 is upstream face A (see the arrow in figure Suo Shi), and the other end is back side B (see the arrow in figure Suo Shi).This tunnel 1 can be circle, ellipse, square, circular and square combination or half elliptic and square combination etc. at the cross sectional shape crossing flow path direction.
Shutoff section in tunnel 1 builds the first closure part 21 (see Fig. 1), and make its firm position, namely make keeper 211 (see Fig. 1) degree of depth stretched in the basal bed of tunnel 1 in the first closure part 21 can be the half of the entire length of this keeper 211.After this first closure part 21 firm position, this first closure part 21 builds the second closure part 22 (see Fig. 1), and this second closure part 22 made is securely fixed on this first closure part 21, fastener is adopted to be connected by the first girth member 212 (see Fig. 1) accordingly with the second girth member 221 (see Fig. 1).Thus make this first closure part 21 and the second closure part 22 form an entirety, namely form supporting component 2 (see Fig. 1).After completing the structure of supporting component 2, start to build stiffener assembly 3 (see Fig. 2), namely every two stitching sections 31 (see Fig. 2) are connected by a connecting portion 32 (see Fig. 2), until make the measure-alike of the overall dimensions of this stiffener assembly 3 and supporting component 2, then show that this stiffener assembly 3 has built complete.After this, this stiffener assembly 3 is connected with this supporting component 2, to strengthen the intensity of this supporting component 2, prevents it from deforming because of the pressure produced when bearing incessantly concreting on mistake flow path direction.Complete connection between supporting component 2 and stiffener assembly 3 and fixing after, start to carry out concreting at stiffener assembly 3 towards the upstream face A side of tunnel 1.Before starting to build, this supporting component 2 is withstood towards the end of the upstream face A side of tunnel 1 by steel form carrier 6, level active force to the right can be produced like this to the axis of this supporting component 2 and stiffener assembly 3, prevent in the process of concreting, because this supporting component 2 and stiffener assembly 3 cannot bear along crossing the pressure of flow path direction (namely level left) and the phenomenon of run-off the straight, causing cannot concreting smoothly.Therefore, the setting of this steel form carrier 6 can make this supporting component 2 and stiffener assembly 3 locate firmly.Meanwhile, in the process of concreting, effectively prevent this supporting component 2 and stiffener assembly 3 deforms.Along with the continuous formation of this occluding body 4, achieve the shutoff gradually to tunnel 1, until this occluding body 4 is fully formed, thus by the shutoff completely of this tunnel 1.After completing shutoff, the periphery of occluding body 4 is provided with sealing 5 (see Fig. 1), by the gap arranged between sealing blocking body 4 and tunnel 1 in sealing portion 5, prevents the phenomenon of seepage.
Although be described the utility model with reference to preferred embodiment, when not departing from scope of the present utility model, various improvement can be carried out to it and parts wherein can be replaced with equivalent.Especially, only otherwise there is structural hazard, the every technical characteristic mentioned in each embodiment all can combine in any way.The utility model is not limited to specific embodiment disclosed in literary composition, but comprises all technical schemes fallen in the scope of claim.
Claims (10)
1. for a plugging device for tunnel, it is characterized in that, it comprises:
Along the supporting component crossing flow path direction setting of tunnel;
Be connected with described supporting component, to prevent the stiffener assembly of described supporting component generation deformation;
Wherein, described supporting component the second closure part of comprising the first closure part and being connected with described first closure part;
Described stiffener assembly comprises at least two stitching sections and is connected to increase the connecting portion of described stitching section quantity with described at least two stitching sections.
2. the plugging device for tunnel according to claim 1, is characterized in that, described first closure part is detachable connection with described second closure part.
3. the plugging device for tunnel according to claim 1 and 2, it is characterized in that, described first closure part comprises keeper, the first girth member and the first steady part, described first girth member is set on the periphery wall of described keeper, described first steady part and the mutual rectilinear setting of described first girth member, to form net structure.
4. the plugging device for tunnel according to claim 3, is characterized in that, described keeper is shank member, and described first girth member is the first steel pipe fitting, and the described first steady part is the second steel pipe fitting.
5. the plugging device for tunnel according to claim 4, it is characterized in that, described second closure part comprises second girth member that connect corresponding to described first steel pipe fitting and also comprises the second steady part with the mutual rectilinear setting of described second girth member, to form net structure.
6. the plugging device for tunnel according to claim 5, is characterized in that, described second girth member is the 3rd steel pipe fitting, and the described second steady part is the 4th steel pipe fitting.
7. the plugging device for tunnel according to claim 1 and 2, is characterized in that, described stitching section is steel plate, and described connecting portion is angle bar, and described angle bar is by being weldingly fixed on described steel plate.
8. the plugging device for tunnel according to claim 3, it is characterized in that, described supporting component and described stiffener assembly are all vertically set on the shutoff section of described tunnel, described stiffener assembly forms occluding body towards the upstream face side of described tunnel, and described occluding body is with tunnel described in shutoff.
9. the plugging device for tunnel according to claim 8, is characterized in that, the periphery of described occluding body is provided with the sealing in the gap between the described tunnel of sealing and described occluding body.
10. the plugging device for tunnel according to claim 9, is characterized in that, described sealing is waterstop or steel plate for sealing water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420535400.8U CN204151745U (en) | 2014-09-17 | 2014-09-17 | A kind of plugging device for tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420535400.8U CN204151745U (en) | 2014-09-17 | 2014-09-17 | A kind of plugging device for tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204151745U true CN204151745U (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420535400.8U Expired - Fee Related CN204151745U (en) | 2014-09-17 | 2014-09-17 | A kind of plugging device for tunnel |
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| Country | Link |
|---|---|
| CN (1) | CN204151745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104195986A (en) * | 2014-09-17 | 2014-12-10 | 新疆兵团水利水电工程集团有限公司 | Plugging device for tunnel |
-
2014
- 2014-09-17 CN CN201420535400.8U patent/CN204151745U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104195986A (en) * | 2014-09-17 | 2014-12-10 | 新疆兵团水利水电工程集团有限公司 | Plugging device for tunnel |
| CN104195986B (en) * | 2014-09-17 | 2016-01-13 | 新疆兵团水利水电工程集团有限公司 | A kind of plugging device for tunnel |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20170917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |