CN205063961U - Push pipe tube coupling structure - Google Patents
Push pipe tube coupling structure Download PDFInfo
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- CN205063961U CN205063961U CN201520815344.8U CN201520815344U CN205063961U CN 205063961 U CN205063961 U CN 205063961U CN 201520815344 U CN201520815344 U CN 201520815344U CN 205063961 U CN205063961 U CN 205063961U
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- tube coupling
- piecemeal
- grout sleeve
- pipe joints
- jacking pipe
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Abstract
The utility model discloses a push pipe tube coupling structure, it includes a plurality of tube coupling piecemeals, every two adjacent tube coupling piecemeals are assembled the formation tube coupling and are assembled unit, each the tube coupling is assembled the unit and is included: be located the tube coupling piecemeal no. 1 and tube coupling piecemeal no. 2 that connect position department preset grout sleeve in the tube coupling piecemeal no. 1, the sleeve setting injects hole and outflow hole to the steel bar connection of grout sleeve and tube coupling piecemeal, the tube coupling reinforcing bar of corresponding length with grout sleeve of reservation and quantity in the tube coupling piecemeal no. 2, the tube coupling reinforcing bar corresponds nestedly with grout sleeve. Adopt the utility model discloses, tube coupling owner muscle is continuous completely at the seam crossing, has fully reduced the tube coupling and has weakened in the rigidity of seam crossing, reaches the rigid connection effect.
Description
Technical field
The utility model relates to a kind of jacking pipe joints structure, particularly a kind of jacking pipe joints structure being applicable to big cross section steel concrete.
Background technology
Along with the development of urban construction and the continuous progress of construction machinery production technology, big cross section jacking construction engineering method is more and more applied.Jacking pipe joints structure section size becomes greatly, and because transport, lifting need, traditional domain steel concrete tube coupling has been difficult to be applied to production, and certainly will will carry out piecemeal, the jointing between each piecemeal becomes the key factor of Control Engineering application win or lose.
RC pipejacking tube coupling structure piecemeal jointing should reach following requirement: on the one hand, should meet the stress performance requirements such as the bending resistance of jacking pipe joints structure, shearing resistance, guarantee structural safety; On the other hand, after tube coupling piecemeal, joint seam becomes waterproof weak spot, and along with the range of application of push pipe more and more wider, such as city underground class engineering requires high to structurally waterproof, and tube coupling piecemeal jointing must guarantee that water resistance reaches designing requirement; Moreover because jacking pipe construction process needs, after each piecemeal of tube coupling is assembled into ring, must guarantee the globality of tube coupling ring, each piecemeal jointing should be rigidly connected; In addition, jointing still answers easy construction.
But existing jacking pipe joints structural joint but cannot meet above-mentioned requirements.Therefore, be badly in need of that exploitation a kind ofly can be guaranteed to be rigidly connected, the jacking pipe joints structure piecemeal jointing of convenient construction again.
Utility model content
Because the above-mentioned defect of prior art, the utility model provides a kind of jacking pipe joints structure, it comprises some tube coupling piecemeals, the often adjacent assembled unit of two tube coupling piecemeals assembled formation tube coupling (the tube coupling ring of each tube coupling assembled unit assembling formation one push pipe), the assembled unit of each described tube coupling comprises: the tube coupling piecemeal one and the tube coupling piecemeal two that are positioned at joint location place, its feature is, preset grout sleeve in described tube coupling piecemeal one, described sleeve arranges and pours into hole and tap hole, and the bar connecting of grout sleeve and tube coupling piecemeal; In described tube coupling piecemeal two, reserve the tube coupling reinforcing bar with grout sleeve corresponding length and quantity, described tube coupling reinforcing bar is corresponding with grout sleeve nested.
In certain embodiments, described tube coupling piecemeal one and tube coupling piecemeal two be outside in joint location place, respectively pre-embedded steel slab; Described pre-embedded steel slab welds dowel to be anchored in the concrete of described jacking pipe joints structure.By pre-embedded steel slab, be convenient to welding during seam, can also joint stiffness be improved, strengthen the stress performance such as bending resistance, shearing resistance of joint, lift structure degree of safety.
In certain embodiments, the bonding surface of the seam crossing of each described tube coupling piecemeal is plane.
In certain embodiments, be provided with at the joint location place of described tube coupling piecemeal two and be reserved with the hole suitable with the Lower Half of shear pin, be provided with the hole suitable with the first half of described shear pin at the joint location place of described tube coupling piecemeal one.Which not only simplifies the difficulty that punching block makes, tube coupling is prefabricated and assembled, shear pin also plays positioning action in the assembled process of tube coupling simultaneously, also improves splicing accuracy and the speed of each piecemeal of tube coupling.
In certain embodiments, the seam crossing of each described tube coupling piecemeal is provided with the epoxy resin adhesive layer for seam waterproof.Like this, adjacent tube coupling piecemeal is pasted mutually by this epoxy resin adhesive layer, enhances the water resistance of seam.
On the basis meeting this area general knowledge, above-mentioned each optimum condition, can be combined, and obtains each preferred embodiment of the utility model.
The beneficial effects of the utility model: adopt tube coupling of the present utility model, the domain is assembled into after each piecemeal to job site, the tube coupling reserved steel bar of adjacent piecemeal inserts corresponding grout sleeve, then high strength micro expansion mortar is poured into by the hole that pours into of grout sleeve, until it flows out from tap hole, 100% grouting in sleeve can be guaranteed, ensure the connection effect of reinforcing bar.Adopt tube coupling joint of the present utility model, the main muscle of tube coupling is completely continuous at seam crossing, sufficiently lower tube coupling and weakens in the rigidity of seam crossing, reach the effect that is rigidly connected.
Be described further below with reference to the technique effect of accompanying drawing to design of the present utility model, concrete structure and generation, to understand the purpose of this utility model, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is the utility model big cross section jacking pipe joints structure chart.
Fig. 2 is the assembled shaping front fractionation structure chart of the utility model tube coupling joint.
Fig. 3 is the assembled shaping rear assembling assumption diagram of the utility model tube coupling joint.
Description of reference numerals:
Tube coupling piecemeal 1, tube coupling piecemeal 22, grout sleeve 11, pour into hole 12, tap hole 13, pre-embedded steel slab 3, shear pin 4, hole 5, epoxy resin adhesive layer 6, tube coupling reinforcing bar 7, Plate Welding 8, joint location 9
Detailed description of the invention
Lift several preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the utility model to be described.
Embodiment 1
The purpose of this utility model is achieved through the following technical solutions: as shown in FIG. 1 to 3, the jacking pipe joints joint design that the present embodiment provides.
The RC pipejacking tube coupling structure structure of the present embodiment
(1) post-grouting measure realizes effective connection of tube coupling reinforcing bar
As depicted in figs. 1 and 2, jacking pipe joints structure needs to be made up of some tube coupling piecemeals according to design, and each tube coupling piecemeal makes maintenance to reaching design strength in factory.During making, the often adjacent assembled unit of two tube coupling piecemeals assembled formation tube coupling, often organizes the assembled unit of described tube coupling and comprises the tube coupling piecemeal 1 and tube coupling piecemeal 22 composition that are positioned at joint location 9 place.As shown in Figure 1 and Figure 2, preset grout sleeve 11 in the tube coupling piecemeal 1 at joint location 9 place, grout sleeve 11 arranges and pours into hole 12 and tap hole 13, and quantity and the layout of grout sleeve 11 are corresponding with the design reinforcement of tube coupling, and grout sleeve is effectively connected with the reinforcing bar of this tube coupling piecemeal; The tube coupling reinforcing bar 7 with grout sleeve 11 corresponding length and quantity is reserved in another tube coupling piecemeal 22 of joint location place.
During installation, after each tube coupling piecemeal is transported to job site by pre-fabricated factory, on-site consolidation becomes the domain: will often organize in the assembled unit of tube coupling, the tube coupling reinforcing bar 7 that adjacent tube coupling piecemeal is reserved inserts corresponding grout sleeve 11, then, high strength micro expansion mortar is poured into, until it flows out from tap hole 13 by the hole 12 that pours into of grout sleeve 11.To guarantee 100% grouting in grout sleeve, ensure the connection effect of tube coupling reinforcing bar.Adopt connected mode of the present utility model, tube coupling reinforcing bar also connects completely continuously at seam crossing, sufficiently lower tube coupling and weakens in the rigidity of seam crossing, reach the effect that is rigidly connected.
Embodiment 2
The present embodiment is from the different of embodiment 1, in the present embodiment tube coupling piecemeal rotational angle of joint position in outside pre-embedded steel slab 3 is all set.
As depicted in figs. 1 and 2, when produce in factory, tube coupling piecemeal is outside in joint location 9 place, respectively pre-embedded steel slab.Pre-embedded steel slab width is with tube coupling ring width.Pre-embedded steel slab welds dowel to be anchored in tube coupling concrete.
After each tube coupling piecemeal on-site consolidation becomes the domain, the medial and lateral pre-embedded steel slab 3 at butt joint place carries out Plate Welding 8 (as shown in Figure 3).By the welding of pre-embedded steel slab 3, can joint stiffness be improved on the one hand, strengthen the stress performance such as bending resistance, shearing resistance of joint, lift structure degree of safety; Construct outside twice water-proof wire in joints of segment on the other hand, solve a seam waterproof difficult problem; Meanwhile, the pre-embedded steel slab in bight can also prevent that tube coupling from transporting, due to collision, the local damages such as unfilled corner occur in hoisting process, ensure that the overall appearance of tube coupling and the complete of structure and durability.
Embodiment 3
The present embodiment is from the different of embodiment 2, is respectively arranged with the hole of the first half for accommodating shear pin and Lower Half in the tube coupling piecemeal one of the present embodiment and tube coupling piecemeal two.That is, be provided with at the joint location place of described tube coupling piecemeal two and be reserved with the hole suitable with the Lower Half of shear pin, be provided with the hole suitable with the first half of described shear pin at the joint location place of described tube coupling piecemeal one.Which not only simplifies the difficulty that punching block makes, tube coupling is prefabricated and assembled, shear pin also plays positioning action in the assembled process of tube coupling simultaneously, also improves splicing accuracy and the speed of each piecemeal of tube coupling.The other parts of the present embodiment are identical with embodiment 2.
As shown in Figure 2, make for ease of prefabrication and punching block, the joint face of each piecemeal seam crossing of tube coupling is designed to plane, reaches the stressed needs of shearing resistance by arranging shear pin 4.
Shear pin can factorial praluction, adopts the materials such as polyamide, can meet and design stress performance needs.The each piecemeal of tube coupling, when produce in factory, reserves the hole 5 with shear pin 4 corresponding size size and number, and hole 5 size preferably can be considered to install fabrication error.
When each tube coupling piecemeal on-site consolidation becomes the tube coupling domain, shear pin 4 is inserted in corresponding hole 5 and can complete installation.Adopt this said structure, simplify the difficulty that punching block makes, tube coupling is prefabricated and assembled, shear pin also plays positioning action in the assembled process of tube coupling simultaneously, improves splicing accuracy and the speed of each piecemeal of tube coupling.
Embodiment 4
The present embodiment is from the different of embodiment 3, additionally uses epoxy resin adhesive layer for strengthening the seam waterproof between tube coupling ring and ring in the present embodiment.
As shown in Figure 3, consider the unfavorable factors such as seam crossing Plate Welding defect, seam channeling water between tube coupling ring and ring, (this epoxide-resin glue is commercially to arrange certain thickness epoxy resin adhesive layer 6 at tube coupling piecemeal seam crossing, for prior art), epoxy resin adhesive layer 6 applies whole joint face, adjacent tube coupling piecemeal is pasted mutually by this epoxy resin adhesive layer, enhances the water resistance of seam.
Adopt the utility model, tube coupling reinforcing bar also connects completely continuously at seam crossing, sufficiently lower tube coupling and weakens in the rigidity of seam crossing, reach the effect that is rigidly connected.
In addition, by the welding of pre-embedded steel slab, can joint stiffness be improved on the one hand, strengthen the stress performance such as bending resistance, shearing resistance of joint, lift structure degree of safety; Construct outside twice water-proof wire in joints of segment on the other hand, solve a seam waterproof difficult problem; Meanwhile, the pre-embedded steel slab in bight can also prevent that tube coupling from transporting, due to collision, the local damages such as unfilled corner occur in hoisting process, ensure that the overall appearance of tube coupling and the complete of structure and durability.
More than describe each preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technician in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (5)
1. a jacking pipe joints structure, it comprises some tube coupling piecemeals, the often adjacent assembled unit of two tube coupling piecemeals assembled formation tube coupling, the assembled unit of each described tube coupling comprises: the tube coupling piecemeal one and the tube coupling piecemeal two that are positioned at joint location place, it is characterized in that, preset grout sleeve in described tube coupling piecemeal one, described sleeve arranges and pours into hole and tap hole, and the bar connecting of grout sleeve and tube coupling piecemeal; In described tube coupling piecemeal two, reserve the tube coupling reinforcing bar with grout sleeve corresponding length and quantity, described tube coupling reinforcing bar is corresponding with grout sleeve nested.
2. jacking pipe joints structure as claimed in claim 1, is characterized in that, described tube coupling piecemeal one and tube coupling piecemeal two be outside in joint location place, respectively pre-embedded steel slab; Described pre-embedded steel slab welds dowel to be anchored in the concrete of described jacking pipe joints structure.
3. jacking pipe joints structure as claimed in claim 1, it is characterized in that, the bonding surface of the seam crossing of each described tube coupling piecemeal is plane.
4. jacking pipe joints structure as claimed in claim 1, it is characterized in that, be provided with at the joint location place of described tube coupling piecemeal two and be reserved with the hole suitable with the Lower Half of shear pin, be provided with the hole suitable with the first half of described shear pin at the joint location place of described tube coupling piecemeal one.
5. as the jacking pipe joints structure in Claims 1 to 4 as described in any one, it is characterized in that, the seam crossing of each described tube coupling piecemeal is provided with the epoxy resin adhesive layer for seam waterproof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520815344.8U CN205063961U (en) | 2015-10-20 | 2015-10-20 | Push pipe tube coupling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520815344.8U CN205063961U (en) | 2015-10-20 | 2015-10-20 | Push pipe tube coupling structure |
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| Publication Number | Publication Date |
|---|---|
| CN205063961U true CN205063961U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520815344.8U Active CN205063961U (en) | 2015-10-20 | 2015-10-20 | Push pipe tube coupling structure |
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| CN (1) | CN205063961U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108330745A (en) * | 2018-02-09 | 2018-07-27 | 上海市城市建设设计研究总院（集团）有限公司 | The implementation of soft clay area tramcar assembled sub-rail foundation |
| CN108396777A (en) * | 2018-05-03 | 2018-08-14 | 上海市城市建设设计研究总院（集团）有限公司 | Meet the big cross section tube coupling of segmentation prefabricating on-site consolidation |
| CN110685712A (en) * | 2019-10-12 | 2020-01-14 | 北京中岩智泊科技有限公司 | Rectangular pipe jacking pipe joint capable of being assembled |
| CN113339004A (en) * | 2021-06-03 | 2021-09-03 | 上海市城市建设设计研究总院（集团）有限公司 | Prestressed steel structure advanced support and construction method |
-
2015
- 2015-10-20 CN CN201520815344.8U patent/CN205063961U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108330745A (en) * | 2018-02-09 | 2018-07-27 | 上海市城市建设设计研究总院（集团）有限公司 | The implementation of soft clay area tramcar assembled sub-rail foundation |
| CN108330745B (en) * | 2018-02-09 | 2020-06-09 | 上海市城市建设设计研究总院（集团）有限公司 | Implementation method of tramcar assembled under-rail foundation in soft soil area |
| CN108396777A (en) * | 2018-05-03 | 2018-08-14 | 上海市城市建设设计研究总院（集团）有限公司 | Meet the big cross section tube coupling of segmentation prefabricating on-site consolidation |
| CN110685712A (en) * | 2019-10-12 | 2020-01-14 | 北京中岩智泊科技有限公司 | Rectangular pipe jacking pipe joint capable of being assembled |
| CN113339004A (en) * | 2021-06-03 | 2021-09-03 | 上海市城市建设设计研究总院（集团）有限公司 | Prestressed steel structure advanced support and construction method |
| CN113339004B (en) * | 2021-06-03 | 2023-01-24 | 上海市城市建设设计研究总院（集团）有限公司 | Construction method of prestressed steel structure advanced support |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |