CN203891899U - Hollow filling-type rubber gasket - Google Patents
Hollow filling-type rubber gasket Download PDFInfo
- Publication number
- CN203891899U CN203891899U CN201420165117.0U CN201420165117U CN203891899U CN 203891899 U CN203891899 U CN 203891899U CN 201420165117 U CN201420165117 U CN 201420165117U CN 203891899 U CN203891899 U CN 203891899U
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- CN
- China
- Prior art keywords
- sealing gasket
- hollow
- sealing
- type rubber
- rubber gasket
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- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims abstract description 57
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000002131 composite material Substances 0.000 claims abstract description 5
- 238000007569 slipcasting Methods 0.000 claims description 10
- 238000010276 construction Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract 1
- 230000000754 repressing effect Effects 0.000 abstract 1
- 238000004073 vulcanization Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 description 6
- 238000002347 injection Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
A hollow filling-type rubber gasket comprises a hollow strip-shaped sealing gasket body, and the side wall of the sealing gasket body is provided with a grouting or inflating tube communicated with a cavity inside the sealing gasket body. The cross section of the inflated sealing gasket body is in a rectangular, trapezoid, round or oval shape. The sealing gasket body and the grouting or inflating tube are made of a rubber material or a composite material and are integrally formed through extrusion and vulcanization. The beneficial effects of the hollow filling-type rubber gasket are that air in the hollow sealing gasket is extracted before a prefabricated member is spliced and is fully hidden in a groove, thereby avoiding damages to the sealing gasket during construction and the frictional force between the conventional sealing gaskets, and facilitating the realization of rapid splicing of the members; no external forces are required for compression, and the assembling construction is simple and convenient; the water stop pressure of the sealing gasket is controllable, so the water stop effect is excellent; the resistance to structural distortions is strong; and later repressing can be carried out to strengthen the later waterproof effect.
Description
Technical field
The utility model relates to underground structrue engineering technical field, and relating in particular to a kind of Novel hollow for prefabricated assembled member seam waterproof can fill-type rubber gasket.
Background technology
Prefabricated assembled underground structure is normal adopted technology in current underground engineering construction, wherein especially take that to adopt the pipe-plate lining structure of shield construction be main application direction.Prefabricated costruction has that liner structure quality is good, speed of application is fast, to plurality of advantages such as ambient influnence are little.But fabricated construction because of the assembled seam of its structure many, carry out seam waterproof sealing and just seem very important.
The seam waterproof of assembling underground structure, adopts rubber waterproof sealing mat conventionally, and its sealing principle is by the external world, to apply active force to make the compressed object that reaches hermetic seal of rubber gasket.For the tunnel lining of employing shield construction, shield machine jack can provide enough active forces to liner joint when advancing, and compressing rubber sealing mat reaches sealing object; Prefbricated tunnel lining for other non-shield constructions, because there is not enough compressive forcees of similar shield force in construction assembling process, the compression of rubber gasket just need to adopt special device and means that external force (utilize prestressed cable stretch-draw, utilize jack external force to hold out against etc.) is provided, flow chart is complicated, and speed of application is slow.
On the other hand, when adopting traditional rubber gasket, sealing mat must protrude the certain height in prefabricated units surface, at member, assemble in process in place, especially for adopting multi-direction movement member in place, in the assembled process of rubber pad of protruding, there is the phenomenon of fricting shearing destruction, affect efficiency and the assembly quality of assembling work simultaneously.
The rubber gasket that protrudes component surface in order to solve " be in the way " and work progress in need the problem of external force compressing rubber sealing mat, the present invention proposes a kind of " hollow can fill-type rubber gasket ", can overcome the problem that traditional passive compression sealing mat exists.
Utility model content
The purpose of this utility model is to provide a kind of hollow can fill-type rubber gasket, and sealing pad can form active pressure by the method to its inner hollow part pressure injection packing material after prefabricated units have assembled, and reach the object of hermetic seal.
Traditional underground structure seam adopts hydro-expansive rubber to carry out waterproof, and water-swellable sealing pressure is limited.The present invention can be used for replacing hydro-expansive rubber sealing mat, by active pressure, provides better waterproof sealing effect.
For achieving the above object, the utility model is taked following technical scheme:
Hollow can a fill-type rubber gasket, and it includes the sealing mat body of the strip of a hollow, is provided with the slip casting or the gas tube that communicate with sealing pad body internal cavity on the sidewall of sealing pad body.
After the inflation of described sealing mat body, section is rectangle, trapezoidal, circle or elliptical shape.
Described sealing mat body and slip casting or gas tube adopt quality of rubber materials or composite material by extruding, to vulcanize one-body molded.
The beneficial effects of the utility model are:
(1) air in hollow sealing pad is extracted out before splicing prefabricated components, sealing mat is hidden in groove completely, avoided in construction the damage of sealing mat and adopted the frictional force between conventional seals pad, be conducive to implementation structure quick-assembling simultaneously;
(2) without powerful external force, compress, assembling construction is easier;
(3) the sealing pressure of sealing mat is controlled, and stagnant water effect is better;
(4) ability of anti-malformation is strong;
(5) can the later stage supplement pressurization, carry out the strengthening of later stage waterproof effect.
Accompanying drawing explanation
Fig. 1 is scheme of installation of the present utility model.
Fig. 2 is slip casting or gas tube schematic diagram.
Fig. 3 is the utility model pressurization schematic diagram.
Drawing reference numeral:
1, sealing mat body;
2, fabricated construction;
3, groove;
4, slip casting or gas tube;
The specific embodiment
Shown in Fig. 1, Fig. 2, Fig. 3: a kind of hollow can fill-type rubber gasket, and it includes the sealing mat body 1 of the strip of a hollow, is provided with the slip casting or the gas tube 4 that communicate with sealing pad body internal cavity on the sidewall of sealing pad body 1.
After the inflation of described sealing mat body 1, section is rectangle, trapezoidal, circle or elliptical shape.
Described sealing mat body 1 and slip casting or gas tube 4 adopt quality of rubber materials or composite material by extruding, to vulcanize one-body molded.
Sealing mat body adopts rubber-like material, be made into and need the middle part of shape with the rubber gasket of cavity, sealing pad is installed (pasting or other modes) in the reserved special-purpose groove of prefabricated units, after prefabricated units assembling, to sealing mat cavity with certain pressure pressure injection packing material, make its expansion and compression, reach waterstop sealing object;
Sealing mat body adopts quality of rubber materials, composite material by extruding sulfidization molding, and according to actual demands of engineering, is made into the ring frame of definite shape;
The form of fracture that can fill sealing mat can be rectangle, trapezoidal, can be also circular other shapes that wait; Its wall thickness is determined according to actual stuffing pressure, compression performance etc.;
At sealing mat, near member preformed groove bottom position, packing material Grouting Pipe or gas tube are set, its quantity and position are determined as required;
Connecting portion, Grouting Pipe or the gas tube of gasket ring frame rotation angle position, Grouting Pipe or gas tube should be strengthened processing, and Grouting Pipe or gas tube should adopt reinforcement material strengthening, prevent deformation failure under high pressure;
Prefabricated units should be reserved the groove of definite shape at the position that sealing mat is installed, and at the position of drawing Grouting Pipe or gas tube, should establish reserving hole channel;
After gasket ring frame installs on prefabricated units, assembled before, should extract the air of sealing mat cavity out, the degree of finding time should be positioned at reserved groove in any case completely with sealing mat body, does not protrude surface;
After splicing prefabricated components completes, by Grouting Pipe, in sealing mat, inject packing material, injection pressure is determined as required.Injection completes rear enclosed inlet.In using from now on, also can open at any time as required inlet and supplement injection, intensified waterproof effect;
Injection material can be gas, liquid or other materials, also can inject the material that the later stage has expansion character;
As adopt the mode of injecting gas, gas pressure keeping system should be set simultaneously, in case pressure diminishes and affects sealing performance after leak-stopping gas;
Sealing means of the present utility model, except being applied to fabricated construction, also can be applicable to the seam waterproof sealing of other underground structures.
By reference to the accompanying drawings, the specific embodiment of the present utility model is illustrated as follows:
(1) hollow can first vacuumize before the use of fill-type rubber gasket, in the interior stickup of groove 3 (shown in Figure 1) of fabricated construction 2.
(2) in fabricated construction 2 inside, stay and establish duct (not shown), draw slip casting or gas tube 4.
(3) structure is carried out slip casting after in place or inflation reaches predetermined pressure, sealing.
The above is preferred embodiment of the present utility model and the know-why used thereof; for a person skilled in the art; in the situation that not deviating from spirit and scope of the present utility model; the apparent changes such as any equivalent transformation based on technical solutions of the utility model basis, simple replacement, within all belonging to the utility model protection domain.
Claims (3)
1. hollow can a fill-type rubber gasket, it is characterized in that: it includes the sealing mat body of the strip of a hollow, is provided with the slip casting or the gas tube that communicate with sealing pad body internal cavity on the sidewall of sealing pad body.
2. hollow according to claim 1 can fill-type rubber gasket, it is characterized in that: after the inflation of described sealing mat body, section is rectangle, trapezoidal, circle or elliptical shape.
3. hollow according to claim 1 and 2 can fill-type rubber gasket, it is characterized in that: described sealing mat body and slip casting or gas tube adopt quality of rubber materials or composite material by extruding, to vulcanize one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420165117.0U CN203891899U (en) | 2014-04-04 | 2014-04-04 | Hollow filling-type rubber gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420165117.0U CN203891899U (en) | 2014-04-04 | 2014-04-04 | Hollow filling-type rubber gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203891899U true CN203891899U (en) | 2014-10-22 |
Family
ID=51718315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420165117.0U Expired - Lifetime CN203891899U (en) | 2014-04-04 | 2014-04-04 | Hollow filling-type rubber gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203891899U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879201A (en) * | 2015-04-11 | 2015-09-02 | 成都陵川特种工业有限责任公司 | Device for ensuring tightness of exhaust manifold of engine |
| CN105525928A (en) * | 2014-09-30 | 2016-04-27 | 中国铁建大桥工程局集团有限公司 | Construction method of sealing ring of duct piece wall of shield inclined shaft |
| CN106499415A (en) * | 2015-09-08 | 2017-03-15 | 深圳市城市优筑科技有限公司 | A kind of flashing member of Subway Tunnel duct pieces of shield tunnel and method |
| CN108729934A (en) * | 2018-07-06 | 2018-11-02 | 广州轨道交通建设监理有限公司 | A kind of emergent water shutoff gum cover being drilled out gushing water for the underground space |
| CN109958146A (en) * | 2019-04-17 | 2019-07-02 | 中国铁路设计集团有限公司 | A kind of assembled underground structure prefabricated components seam crossing hermetic seal bar capsule |
| CN110259488A (en) * | 2019-07-26 | 2019-09-20 | 中铁第四勘察设计院集团有限公司 | Embedded elastic sealing gasket of shield tunnel, sealing structure and construction method after a kind of |
| CN110439037A (en) * | 2019-08-28 | 2019-11-12 | 中铁第四勘察设计院集团有限公司 | A kind of prefabricated waterproof construction of open trench tunnel deformation joint and method |
| CN110908299A (en) * | 2019-10-23 | 2020-03-24 | 中铁十九局集团轨道交通工程有限公司 | Intelligent control system for construction of assembled underground structure |
| CN112682075A (en) * | 2021-02-08 | 2021-04-20 | 中铁上海设计院集团有限公司 | Shield mid-partition wall sealing structure and application method thereof |
-
2014
- 2014-04-04 CN CN201420165117.0U patent/CN203891899U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525928A (en) * | 2014-09-30 | 2016-04-27 | 中国铁建大桥工程局集团有限公司 | Construction method of sealing ring of duct piece wall of shield inclined shaft |
| CN105525928B (en) * | 2014-09-30 | 2019-12-10 | 中国铁建大桥工程局集团有限公司 | Construction method of shield inclined shaft segment wall rear plugging ring |
| CN104879201A (en) * | 2015-04-11 | 2015-09-02 | 成都陵川特种工业有限责任公司 | Device for ensuring tightness of exhaust manifold of engine |
| CN106499415B (en) * | 2015-09-08 | 2019-11-05 | 深圳蓝盾控股有限公司 | A kind of flashing member and method of Subway Tunnel duct pieces of shield tunnel |
| CN106499415A (en) * | 2015-09-08 | 2017-03-15 | 深圳市城市优筑科技有限公司 | A kind of flashing member of Subway Tunnel duct pieces of shield tunnel and method |
| CN108729934A (en) * | 2018-07-06 | 2018-11-02 | 广州轨道交通建设监理有限公司 | A kind of emergent water shutoff gum cover being drilled out gushing water for the underground space |
| CN108729934B (en) * | 2018-07-06 | 2023-10-03 | 广州轨道交通建设监理有限公司 | Emergency water sealing rubber sleeve for underground space penetrated by water |
| CN109958146A (en) * | 2019-04-17 | 2019-07-02 | 中国铁路设计集团有限公司 | A kind of assembled underground structure prefabricated components seam crossing hermetic seal bar capsule |
| CN110259488A (en) * | 2019-07-26 | 2019-09-20 | 中铁第四勘察设计院集团有限公司 | Embedded elastic sealing gasket of shield tunnel, sealing structure and construction method after a kind of |
| CN110259488B (en) * | 2019-07-26 | 2024-09-03 | 中铁第四勘察设计院集团有限公司 | Rear embedded shield tunnel elastic sealing gasket, sealing structure and construction method |
| CN110439037A (en) * | 2019-08-28 | 2019-11-12 | 中铁第四勘察设计院集团有限公司 | A kind of prefabricated waterproof construction of open trench tunnel deformation joint and method |
| CN110908299A (en) * | 2019-10-23 | 2020-03-24 | 中铁十九局集团轨道交通工程有限公司 | Intelligent control system for construction of assembled underground structure |
| CN110908299B (en) * | 2019-10-23 | 2023-03-17 | 中铁十九局集团轨道交通工程有限公司 | Intelligent control system for construction of assembled underground structure |
| CN112682075A (en) * | 2021-02-08 | 2021-04-20 | 中铁上海设计院集团有限公司 | Shield mid-partition wall sealing structure and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141022 |
|
| CX01 | Expiry of patent term |