CN112008853A - Inflatable tires, skeletons and plug devices for casting pipe lining - Google Patents
Inflatable tires, skeletons and plug devices for casting pipe lining Download PDFInfo
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- CN112008853A CN112008853A CN201910454941.5A CN201910454941A CN112008853A CN 112008853 A CN112008853 A CN 112008853A CN 201910454941 A CN201910454941 A CN 201910454941A CN 112008853 A CN112008853 A CN 112008853A
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- 238000005266 casting Methods 0.000 title claims description 57
- 239000004568 cement Substances 0.000 claims description 23
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 8
- 238000000576 coating method Methods 0.000 abstract description 8
- 239000011247 coating layer Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 6
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- 230000009471 action Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
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- 230000006866 deterioration Effects 0.000 description 1
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- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 229910052757 nitrogen Inorganic materials 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
- B28B19/0023—Lining the inner wall of hollow objects, e.g. pipes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
技术领域technical field
本申请涉及一种用于铸管涂衬(尤其适用于涂衬层端面角度较小的铸管涂衬)的可充气胶胎、适于可充气胶胎的骨架和包括骨架和可充气胶胎的堵头装置。The present application relates to an inflatable rubber tire for casting pipe lining (especially suitable for casting pipe lining with a small end face angle of the coating layer), a frame suitable for the inflatable rubber tire, and the frame and the inflatable rubber tire plug device.
背景技术Background technique
在铸管生产过程中,为了达到延长铸管的使用寿命和输送介质的清洁性,经常需要在其内壁上形成涂衬层。一种常见的做法是涂覆厚度为2mm以上的水泥涂层。通常,使用堵头装置将铸管的两端密封;然后将水泥注入铸管内,经过铸管的高速旋转,利用离心作用,使得水泥泥浆在铸管内壁上逐渐形成厚度均匀、具有一定硬度和附着力的水泥涂层,在此过程中可能析出水;最后将堵头装置拆卸取下,待析出水放出即可。In the production process of the cast pipe, in order to prolong the service life of the cast pipe and the cleanliness of the conveying medium, it is often necessary to form a coating layer on the inner wall of the cast pipe. A common practice is to apply a cement coating with a thickness of more than 2mm. Usually, a plug device is used to seal both ends of the casting pipe; then the cement is injected into the casting pipe, and through the high-speed rotation of the casting pipe, the centrifugal action is used to make the cement slurry gradually form on the inner wall of the casting pipe with a uniform thickness, a certain hardness and Adhesive cement coating, water may be precipitated during this process; finally, the plug device is disassembled and removed, and the precipitation water can be released.
然而,长期以来,在上述将堵头装置拆卸取下的过程中,经常出现堵头将铸管端面涂覆的水泥粘掉的情况。因此,经常需要现场工作人员通过手动的方式重新修补水泥涂层以确保铸管内壁涂覆的水泥内衬的完整性。这样不仅延长了涂覆作业的工作时间、效率低下,同时还造成因手动修补而导致现场环境被水泥等工作介质污染,加大后续清理工作的难度。另外,通过这种后期修补所制造的铸管,其水泥涂层和铸管内壁的附着力也受到影响。在某些情况下,需要涂衬层的端面角度较小也是有可能的。However, for a long time, in the process of disassembling and removing the plug device, the plug often sticks off the cement coated on the end face of the casting pipe. Therefore, field workers are often required to manually refinish the cement coating to ensure the integrity of the cement lining coated on the inner wall of the cast pipe. This not only prolongs the working time and inefficiency of the coating operation, but also causes the on-site environment to be polluted by working media such as cement due to manual repair, which increases the difficulty of subsequent cleaning. In addition, the adhesion of the cement coating and the inner wall of the cast pipe to the cast pipe manufactured by this post-repair is also affected. In some cases, it is also possible to require a smaller face angle for the lining.
因此,亟待提供一种胶胎、骨架和堵头装置,以杜绝或至少减轻铸管端面水泥被粘掉,减少人力负担并保持作业现场环境的整洁性,另外还能够满足涂衬层端面角度较小的要求。Therefore, there is an urgent need to provide a rubber tire, a skeleton and a plug device to prevent or at least reduce the sticking of the cement on the end face of the casting pipe, reduce the manpower burden and maintain the cleanliness of the work site environment, and can also meet the requirements of the end face angle of the lining layer. small request.
发明内容SUMMARY OF THE INVENTION
本申请旨在提供一种用于铸管涂衬的可充气胶胎、适于可充气胶胎的骨架和包括骨架和可充气胶胎的堵头装置,其至少在一个方面比现有技术有利。The present application aims to provide an inflatable rubber tire for casting pipe lining, a skeleton suitable for the inflatable rubber tire, and a plug device including the skeleton and the inflatable rubber tire, which are advantageous over the prior art in at least one aspect .
为此,本申请在一个方面提供了一种用于铸管涂衬的可充气胶胎,适于与骨架配合而形成堵头装置,所述可充气胶胎包括:To this end, the present application provides, in one aspect, an inflatable rubber tire for casting pipe lining, suitable for cooperating with a frame to form a plug device, the inflatable rubber tire comprising:
胶胎本体,其横截面大致为L形且内部空心,所述胶胎本体包括连接到彼此的成型壁、膨胀壁和接触壁以及连接到接触壁和膨胀壁的连接处的固定环,其中,成型壁适用于铸管,膨胀壁适配为能够在骨架内膨胀,接触壁适配为接触骨架,并且其中,膨胀壁包括依次连接的第一部分、第二部分、第三部分、第四部分和第五部分,第二部分与第三部分连接于角部;A rubber tire body having a substantially L-shaped cross-section and a hollow interior, the rubber tire body comprising a forming wall, an expansion wall and a contact wall connected to each other, and a fixing ring connected to the junction of the contact wall and the expansion wall, wherein, The forming wall is suitable for casting the pipe, the expansion wall is adapted to expand within the framework, the contacting wall is adapted to contact the framework, and wherein the expansion wall comprises a first portion, a second portion, a third portion, a fourth portion and The fifth part, the second part and the third part are connected to the corner;
充气嘴,其连接到胶胎本体,用于向可充气胶胎内部充入膨胀介质以使可充气胶胎膨胀;an inflation nozzle, which is connected to the rubber tire body, and is used for filling the inside of the inflatable rubber tire with an inflation medium to inflate the inflatable rubber tire;
牵拉环带,其位于胶胎本体的内壁面并与之分别限定第一室和第二室,第一室大致沿轴向延伸,第二室大致呈V型,牵拉环带用于限制成型壁的轴向膨胀以保持成型壁的角度以及防止堵头装置脱落;和A pulling ring, which is located on the inner wall surface of the rubber tire body and defines a first chamber and a second chamber respectively, the first chamber generally extends in the axial direction, and the second chamber is generally V-shaped, and the pulling ring is used to limit Axial expansion of the formed wall to maintain the angle of the formed wall and to prevent the plug device from falling off; and
至少一个通气孔,其分布在牵拉环带上并被配置成连通第一室和第二室;at least one vent distributed on the pulling cuff and configured to communicate the first chamber and the second chamber;
并且其中,未充气时,膨胀壁的第三部分的外表面和膨胀壁的第四部分的外表面之间的夹角小于90度,并且在被充气时,随着第二室的膨胀,所述夹角逐渐增大。And wherein, when not inflated, the angle between the outer surface of the third part of the expansion wall and the outer surface of the fourth part of the expansion wall is less than 90 degrees, and when inflated, with the expansion of the second chamber, so The included angle gradually increases.
可选地,所述胶胎本体还包括至少一个防滑脱环,其配置在成型壁上,以确保堵头装置紧固在铸管上;Optionally, the rubber tire body further includes at least one slip-proof ring, which is arranged on the forming wall to ensure that the plug device is fastened on the casting pipe;
可选地,所述胶胎还包括至少一个防滑脱筋。Optionally, the rubber tire further includes at least one anti-stripping rib.
可选地,膨胀壁的第一部分的外表面和膨胀壁的第二部分的外表面之间的夹角大于90度。Optionally, the angle between the outer surface of the first portion of the expansion wall and the outer surface of the second portion of the expansion wall is greater than 90 degrees.
可选地,膨胀壁的第二部分的外表面基本沿轴向延伸,并且其中,在未充气状态下,膨胀壁的第二部分的外表面与膨胀壁的第三部分的外表面之间的夹角小于90度,并且随着充气膨胀,该角度逐渐增大。Optionally, the outer surface of the second portion of the expansion wall extends substantially axially, and wherein, in the non-inflated state, there is a gap between the outer surface of the second portion of the expansion wall and the outer surface of the third portion of the expansion wall. The included angle is less than 90 degrees and gradually increases as the inflation expands.
本申请在另一方面提供了一种用于铸管涂衬的骨架,适于与可充气胶胎配合而形成堵头装置,所述骨架包括限定容纳空间的容纳部分,所述容纳空间包括固定槽,In another aspect, the present application provides a skeleton for casting pipe lining, adapted to cooperate with an inflatable rubber tire to form a plug device, the skeleton includes a receiving portion defining an accommodating space, the accommodating space includes a fixing groove,
并且其中,所述容纳部分包括:在一端连接到彼此的L型部件和T型部件,其中,在轴向方向中,L型部件延伸超过T型部件,并且其中,T型部件包括连接到彼此的基本上沿径向方向延伸的第一区段和基本上沿轴向方向延伸的第二区段以及位于第二区段上且径向向外延伸的突起,所述突起限定固定槽的轴向内侧表面;and wherein the receiving portion includes: an L-shaped part and a T-shaped part connected to each other at one end, wherein, in the axial direction, the L-shaped part extends beyond the T-shaped part, and wherein the T-shaped part includes connected to each other a first section extending substantially in the radial direction and a second section extending substantially in the axial direction and a protrusion located on the second section and extending radially outward, the protrusion defining the axis of the fixing slot the inner surface;
并且其中,T型部件的第一区段包括大致轴向延伸的第一表面和大致径向延伸的第二表面,其径向外端与第一表面的轴向外端连接,T型部件的第二区段包括大致轴向延伸的第一表面,其轴向内端连接到第一区段的第二表面的径向内端,and wherein the first section of the T-piece includes a first generally axially extending surface and a second generally radially extending surface, the radially outer end of which is connected to the axially outer end of the first surface, the T-piece The second section includes a generally axially extending first surface having an axially inner end connected to a radially inner end of the second surface of the first section,
并且其中,在骨架的L型部件上设置有可以与外界大气连通的贯穿孔,在骨架的T型部件上设置有可以与外界大气连通的至少一个呼吸孔。And wherein, the L-shaped member of the frame is provided with a through hole that can communicate with the outside atmosphere, and the T-shaped member of the frame is provided with at least one breathing hole that can communicate with the outside atmosphere.
可选地,所述的骨架还包括:连接到容纳部分的挡泥板,其配置为封闭的或具有用于将用于注入水泥的布料管供给到铸管内的开口。Optionally, the skeleton further comprises: a fender connected to the accommodating portion, which is configured to be closed or has an opening for supplying a placing pipe for injecting cement into the casting pipe.
本申请在又一方面提供了一种用于铸管涂衬的堵头装置,包括任何上述的可充气胶胎和任何上述的骨架,其中,所述骨架的容纳空间适配为接收所述可充气胶胎的胶胎本体,所述骨架的贯穿孔配置为适合可充气胶胎的充气嘴贯穿其中,所述固定槽配置为适合于所述固定环,所述可充气胶胎具有非充气的第一状态和充气膨胀的第二状态,并且其中,In yet another aspect, the present application provides a plug device for casting pipe lining, comprising any of the above-mentioned inflatable rubber tires and any of the above-mentioned skeletons, wherein the receiving space of the skeleton is adapted to receive the inflatable rubber tires. The rubber tire body of the pneumatic rubber tire, the through hole of the skeleton is configured to be suitable for the inflating nozzle of the inflatable rubber tire to pass through, the fixing groove is configured to be suitable for the fixing ring, and the inflatable rubber tire has a non-inflatable rubber tire. a first state and an inflated second state, and wherein,
充气前,可充气胶胎在第一状态中,胶胎本体配合到骨架的L型部件内,并与骨架的T型部件之间限定膨胀型腔,所述膨胀型腔限定可充气胶胎规范的伸缩路径,Before inflation, in the first state of the inflatable rubber tire, the rubber tire body is fitted into the L-shaped part of the skeleton, and an expansion cavity is defined between the T-shaped part of the skeleton, and the expansion cavity defines the specification of the inflatable rubber tire expansion path,
充气时,胶胎本体膨胀,膨胀壁的第一部分、第二部分和第三部分沿大致轴向的第二方向膨胀变形,膨胀壁的第四部分和膨胀壁的第五部分在所述限定的伸缩路径中沿具有轴向和径向向内的第一方向规范地膨胀变形直至紧密贴合于T型部件的内表面,使得膨胀型腔消失,可充气胶胎处于第二状态,以及When inflated, the rubber tire body expands, the first part, the second part and the third part of the inflatable wall are inflated and deformed in a second substantially axial direction, and the fourth part of the inflatable wall and the fifth part of the inflatable wall are in the defined In the expansion and contraction path, the expansion and deformation are normalized along the first direction with the axial and radial inward direction until it closely fits the inner surface of the T-shaped member, so that the expansion cavity disappears, and the inflatable rubber tire is in the second state, and
放气后,可充气胶胎返回第一状态,胶胎本体缩回,膨胀壁的第四部分和第五部分与骨架的T型部件分离,重新形成膨胀型。After deflation, the inflatable rubber tire returns to the first state, the rubber tire body is retracted, the fourth and fifth parts of the expansion wall are separated from the T-shaped parts of the skeleton, and the expansion type is formed again.
可选地,在第二状态中,膨胀壁的第三部分紧密贴合于T型部件的第一区段的第一表面,膨胀壁的第四部分紧密贴合于T型部件的第一区段的第二表面,并且膨胀壁的第五部分紧密贴合于骨架的第二区段的第一表面。Optionally, in the second state, the third portion of the expansion wall is in close contact with the first surface of the first section of the T-piece, and the fourth portion of the expansion wall is in close contact with the first section of the T-piece the second surface of the segment, and the fifth portion of the expansion wall is in close contact with the first surface of the second segment of the skeleton.
可选地,所述固定环还被配置成:在可充气胶胎与骨架配合使用的情况下,无论处于第一状态或第二状态,固定环都紧固在固定槽中。Optionally, the fixing ring is further configured such that when the inflatable rubber tire is used in cooperation with the frame, the fixing ring is fastened in the fixing groove no matter in the first state or the second state.
可选地,在未充气状态下,所述角部推抵于T型部件的第一区段的第一表面,并且在充气过程中,所述角部沿T型部件的第一区段的第一表面滑动而被导向,迫使膨胀壁变形。Optionally, in an uninflated state, the corner portion pushes against the first surface of the first section of the T-shaped member, and during the inflation process, the corner portion runs along the first surface of the first section of the T-shaped member. The first surface slides and is guided, forcing the expansion wall to deform.
因此,本申请提供了一种堵头装置,使得在充气胶胎和骨架之间形成膨胀型腔,从而令充气胶胎的成型壁在气压的作用下仍在规范的路径中伸缩,以此防止铸管内壁的水泥涂层被堵头装置粘掉,并且还具有降低人力成本、效率高、防止现场作业环境恶化等诸多优点;此外,本申请还能满足涂衬层端面角度较小的要求以及在将可充气胶胎放气拆卸堵头装置时,使得可充气胶胎在刚性骨架内能够准确复位,以保证重新形成膨胀型腔。Therefore, the present application provides a plug device, so that an expansion cavity is formed between the pneumatic rubber tire and the frame, so that the forming wall of the pneumatic rubber tire can still expand and contract in a standard path under the action of air pressure, so as to prevent The cement coating on the inner wall of the cast pipe is stuck off by the plug device, and it also has many advantages, such as reducing labor costs, high efficiency, and preventing the deterioration of the field operation environment; When the inflatable rubber tire is deflated and the plug device is removed, the inflatable rubber tire can be accurately reset in the rigid frame, so as to ensure the re-formation of the expansion cavity.
附图说明Description of drawings
图1示出了根据本申请的一种实施方式的铸头装置的局部剖视图,其中,可充气胶胎处于第一状态;FIG. 1 shows a partial cross-sectional view of a casting head apparatus according to an embodiment of the present application, wherein the inflatable rubber tire is in a first state;
图2示出了根据本申请的一种实施方式的铸头装置的局部剖视图,其中,可充气胶胎处于第二状态;FIG. 2 shows a partial cross-sectional view of a die head apparatus according to an embodiment of the present application, wherein the inflatable tire is in a second state;
图3示出了根据本申请的骨架的一种实施方式的局部剖视图;Figure 3 shows a partial cross-sectional view of one embodiment of a skeleton according to the present application;
图4示出了根据本申请的可充气胶胎的一种实施方式的局部剖视图;和Figure 4 shows a partial cross-sectional view of one embodiment of an inflatable rubber tire according to the present application; and
图5A-B示出了根据本申请的可充气胶胎的另外的实施方式,其中,可充气胶胎具有防滑脱环。5A-B illustrate further embodiments of inflatable rubber tires according to the present application, wherein the inflatable rubber tire has a slip ring.
具体实施方式Detailed ways
下面参照附图描述本申请的一些可行实施方式。需要指出,各图并非按比例绘制的。某些细节可能被加大以便清楚地展示,还有一些非必要示出的细节被略去。Some possible embodiments of the present application are described below with reference to the accompanying drawings. It is noted that the figures are not drawn to scale. Some details may be exaggerated for clarity of presentation, and some details not necessarily shown have been omitted.
需要注意的是,在本申请中,术语“轴向”“径向”相对于铸管的方向定义,是以铸管中心轴取向的。所使用的“轴向”和“径向”是描述性的(仅表示所述部件的相对方向),而不以任何方式具有限定性(即,不特指某一具体方向)。术语“轴向内侧”、“轴向向内”指的是朝向铸管的方向。术语“径向内侧”、“径向向内”指的是朝向铸管轴线的方向。It should be noted that, in this application, the terms "axial" and "radial" are defined relative to the direction of the casting pipe, which is oriented with the central axis of the casting pipe. The use of "axial" and "radial" is descriptive (meaning only the relative orientation of the components) and not limiting in any way (ie, not referring to a particular direction). The terms "axially inboard", "axially inwardly" refer to the direction towards the casting tube. The terms "radially inward", "radially inward" refer to the direction towards the axis of the cast tube.
如图1所示,本申请公开了一种适用于骨架的可充气胶胎2、适用于可充气胶胎2的骨架3和包括所述骨架3和可充气胶胎2的堵头装置1。As shown in FIG. 1 , the present application discloses an
如图1和图4所示,示出了本申请公开的可充气胶胎2。可充气胶胎2包括胶胎本体20。该胶胎本体20可以由任何合适的具有伸缩能力的材料制成,包括但不限于橡胶。胶胎本体20的内部为空心,以容纳膨胀介质,膨胀介质包括但不限于空气。可充气胶胎2包括在胶胎本体20内部的牵拉环带21。牵拉环带21的材料可以与可以为橡胶或其他任何合适的材料。所述牵拉环带21将胶胎本体20的内部分成第一室22和第二室23,其中,第一室22大致沿轴向延伸,第二室23的横截面大致呈V型,分别大致沿径向和轴向延伸。牵拉环带21上分布有至少一个通气孔24。所述至少一个通气孔24连通第一室22和第二室23。所述至少一个通气孔24的大小和/或形状可以是任何合适的大小和形状。在通气孔24为两个或以上的情况下,各通气孔24的大小和/或形状可以相同或不同。胶胎本体20包括连接到彼此的成型壁201、膨胀壁202和接触壁203。成型壁201适用于铸管5。膨胀壁202适配为能够在骨架3内膨胀。接触壁203适配为接触骨架3。成型壁201适配为用于铸管5的插口51。在可充气胶胎2的接触壁203上可安装有充气嘴26。充气嘴26内侧的一端可位于第一室22(如图1所示)或第二室23(未示出)的内表面。相应地,膨胀介质可经由充气嘴26被填充入到可充气胶胎2的第一室22或第二室23,并使其膨胀。因为通气孔24连通第一室22和第二室23,所以,相应地,第二室23或第一室22也膨胀。在膨胀过程中,牵拉环带21被撑紧,以保持可充气胶胎2的成型壁201的角度和形状基本恒定。As shown in FIGS. 1 and 4 , the
本申请公开的胶胎2还可包括固定环206。固定环206连接到接触壁203和膨胀壁202的连接处。制成固定环206的材料可以是任何合适的材料,可以和制成接触壁203和/或膨胀壁202的材料相同或不同。The
如图1和图3所示,示出了本申请公开的骨架3。骨架3一般为刚性的。该骨架3可包括容纳部分31。容纳部分31限定容纳空间4。容纳部分31可包括L型部件311、T型部件312和位于T型部件312上的沿径向向外方向延伸的突起。L型部件311和T型部件312连接到彼此。L型部件311包括位于轴向外侧的L型部件的第三区段311c。T型部件312包括大致沿轴向延伸的第二区段312b。L型部件的第三区段311c和T型部件的第二区段312b连接到彼此。沿着轴向向内的方向,L型部件延伸超过T型部件。As shown in Figures 1 and 3, the
容纳空间4可包括固定槽313’,其配合于可充气胶胎2的固定环206。由位于T型部件312上的突起限定固定槽313’的轴向内侧的表面。The
在一个实施方式中,如图3所示,L型部件311包括第一区段311a、第二区段311b和第三区段311c。第二区段311b沿着大致平行于轴向方向延伸,第二区段311b包括在轴向方向上相反的两端。第一区段311a连接到第二区段311b的轴向内侧的一端,并沿径向向内方向延伸一定距离。在一个实施方式中,第一区段311a的内表面和第二区段311b的内表面所成夹角为90度;在另一实施方式中,第一区段311a的内表面和第二区段311b的内表面所成夹角小于90度。第三区段311c连接到第二区段311b的轴向外侧的另一端,并沿径向向内方向延伸一定距离并连接到T型部件312,其中,在径向方向上看,该距离长于第一区段311a延伸的距离。在一个实施方式中,骨架3包括贯穿孔316。贯穿孔316可布置于第三区段311c。In one embodiment, as shown in FIG. 3, the L-shaped
在一个实施方式中,T型部件312可包括第一区段312a和第二区段312b。第一区段312a包括基本沿轴向延伸的第一表面312a1和与之连接的大致沿径向延伸并位于轴向内侧的第二表面312a2。第二区段312b包括大致沿轴向延伸并位于径向外侧的第一表面312b1。在第二区段312b的第一表面312b1的靠近轴向外侧处具有径向向外延伸的突起。所述突起限定固定槽313’的轴向内侧的表面。第二区段312b基本上沿轴向方向延伸,第二区段312b包括轴向方向上相反的两端。第一区段312a连接到第二区段312b的轴向内侧的一端,并沿径向向外方向延伸一定距离。第一区段312a的第二表面312a2和第二区段312b的第一表面312b1的夹角等于或略大于90度。第二区段312b在另一端处连接到L型部件311。T型部件312的第二区段312b的第一表面312b1与L型部件311的第三区段311c的内表面之间的夹角可大于90度。In one embodiment, the T-
在可充气胶胎2与骨架3配合使用的情况下,可充气胶胎2内嵌于骨架3限定的容纳空间4中。成型壁201与骨架2不接触。接触壁203接触和/或紧密贴合到骨架3的L型部件311的内表面。膨胀壁202在一端连接到成型壁201;膨胀壁202在另一端连接到接触壁203。由胶胎本体20与T型部件312的内表面限定膨胀型腔41。所述骨架3还包括贯穿孔316和至少一个呼吸孔317。贯穿孔316设置成在可充气胶胎2和骨架3配合使用的情况下适用于充气嘴的穿通,同时不影响胶胎本体20与骨架3之间的紧密贴合。所述至少一个呼吸孔317的一端布置在T型部件312的内表面处,连通膨胀型腔41和外界大气,使得膨胀型腔41内的气压始终与外界大气压平衡。When the
在本申请的一个实施方式中,可选地,骨架3还可包括挡泥板32。挡泥板32可以是本领域已知的任何合适的和/或适用于特定应用的构型和/或配置,其可包括连接段(可具有一定坡度(例如,用于大规格铸管)或形成为在同一平面的整体(例如,用于小规格铸管))和遮挡段。挡泥板32可通过连接段连接到容纳部分31。遮挡段可以是封闭的,也可具有开口,用于注入水泥的布料管的进出铸管(5)内部。In an embodiment of the present application, optionally, the
如图1和图2所示,示出了本申请公开的包括所述骨架3和可充气胶胎2的堵头装置1。关于可充气胶胎2的特征以及骨架3的特征如上所述。以下详细描述堵头装置1的使用方法。As shown in FIG. 1 and FIG. 2 , the
首先,将可充气胶胎2塞入骨架3的容纳部分31的L型部件311和T型部件312限定的容纳空间4中。调整可充气胶胎2和骨架3的相对位置,使得充气嘴26穿过骨架3的贯穿孔316并且充气嘴26的外端暴露于外界大气,使得胶胎本体20的接触壁203配合到骨架3的L型部件311的内表面,使得膨胀壁202的至少部分与T型部件312的表面312a2、312b1限定膨胀型腔41,其中,可充气胶胎2的固定环206紧固在骨架限定的固定槽313’中。以此方式,成型壁201和膨胀壁202的除所述至少部分外的剩余部分暴露可见。这样,可充气胶胎2处于第一状态(非充气状态)。First, the
然后,将堵头装置1外插到铸管5的插口51,使得成型壁201配合到插口51。然后,通过充气嘴26向胶胎本体20内部充注膨胀介质,使得成型壁进一步紧固到铸管5的插口51;于此同时,膨胀壁202的一部分在T型部件312的表面312a2、312b1限定的伸缩路径中规范地膨胀,膨胀型腔41逐渐缩小直至消失,膨胀壁202的所述一部分逐渐紧密贴合于T型部件312的表面312a2、312b1。膨胀壁202的除了所述一部分的剩余部分轴向延伸,并使得在径向方向上抵靠T型部件的第一区段312a的第一表面312a1。以此方式,堵头装置紧固到铸管5的插口51。这样,可充气胶胎2达到第二状态(充气膨胀状态)。Then, the
在本申请的一个实施方式中,骨架3的挡泥板32上具有开口,可以通过所述开口将用于水泥注入的布料管伸入铸管5内。接下来,通过动力装置使紧固有堵头装置1的铸管5沿其中央轴线高速旋转。利用离心作用,使水泥泥浆均匀地涂覆在铸管5的内壁,逐渐形成具有一定硬度和附着力的水泥内衬层52。在此过程中,可充气胶胎2处于第二状态(充气膨胀状态)。In an embodiment of the present application, the
最后,在形成水泥内衬层52后,将可充气胶胎2内的膨胀介质放出(放气),膨胀壁202在T型部件312的表面312a2、312b1限定的伸缩路径中规范地缩回,膨胀型腔41重新产生并逐渐增大,膨胀壁202与T型部件312的表面312a2、312b1分离。以此方式,重新形成膨胀型腔41。这样,可充气胶胎2返回到第一状态。Finally, after the cement
由于至少一个呼吸孔317的一端布置在T型部件312的表面312a2、312b1处,连通膨胀型腔41和外界大气,使得膨胀型腔41内的气压始终与外界大气压平衡,从而避免了在放气过程中膨胀型腔41内吸入诸如工作介质(诸如,析出水和/或未固结的水泥泥浆)而影响堵头装置1的使用寿命和/或增加人力负担。Because one end of the at least one
现在,可以方便地将堵头装置1从铸管插口51取下,而不会粘掉水泥内衬层52。The
在一个实施方式中,成型壁201包括顺序连接的第一部分201a、第二部分201b和第三部分201c。成型壁的第一部分201a基本沿轴向方向延伸。在将堵头装置1安装到铸管5时,成型壁201的第一部分201a配合到铸管5的外表面。在可充气胶胎2被充气时,成型壁的第一部分201a在径向方向向内施加压力,使得成型壁的第一部分201a抵靠并紧密贴合于铸管的外表面。成型壁的第二部分201b成型为配合铸管端口的倒角形状。在将堵头装置1安装到铸管5时,成型壁的第二部分201b配合到铸管5的倒角面。在可充气胶胎2被充气时,成型壁的第二部分201b抵靠并紧密贴合于铸管的倒角面。成型壁的第三部分201c成型为配合铸管端面的形状。在将堵头装置1安装到铸管5时,成型壁的第三部分201c配合到铸管5的端面。在可充气胶胎2被充气时,成型壁的第三部分201c接触铸管5的端面,并向轴向向内方向施加压力,使得其抵靠并紧密贴合于铸管的端面。In one embodiment, the profiled
在一个实施方式中,膨胀壁202包括依次连接的第一部分202a、第二部分202b、第三部分202c、第四部分202d和第五部分202e。In one embodiment, the
第一部分202a在一端处连接到成型壁201并且在另一端处连接到膨胀壁的第二部分202b。第一部分202a的外表面和第二部分202b的外表面之间的夹角可以略大于90度。在可充气胶胎2被充气时,膨胀壁的第一部分202a沿大致轴向方向的第二方向膨胀移动直至膨胀型腔41消失,并基本保持其与成型壁201的角度。The
第二部分202b的外表面基本沿轴向延伸。第二部分202b在一端处连接到膨胀壁的第一部分202a并在另一端处(即,角部A)连接到膨胀壁的第三部分202c。一般地,在未充气状态下,膨胀壁的第二部分202b的外表面与膨胀壁的第三部分202c的外表面之间的夹角小于90度,并且随着充气膨胀,该角度逐渐增大至大于90度。在将堵头装置1安装到铸管5还未被充气时,第二部分202b连接到第三部分202c的角部A可推抵于T型部件的第一区段312a的第一表面312a1。在可充气胶胎2被充气时,所述角部(A)沿T型部件的第一区段的第一表面(312a1)滑动而被导向,迫使膨胀壁(202)变形,同时,膨胀壁的第二部分202b沿大致轴向方向的第二方向膨胀变形直至膨胀型腔41完全消失;膨胀壁的第二部分202b的外表面与膨胀壁的第三部分202c的外表面之间的夹角逐渐增大,从小于90度增大到大于90度。The outer surface of the
膨胀壁的第三部分202c在一端处(即,角部A)连接到第二部分202b并在另一端处连接到膨胀壁的第四部分202d。一般地,在未充气状态下,膨胀壁的第三部分202c的外表面与膨胀壁的第四部分202d的外表面之间的夹角小于90度,并且在充气膨胀状态下,逐渐增大至大于90度。在将堵头装置1安装到铸管5时,膨胀壁的第三部分202c的连接到第二部分202b的角部A可推抵于T型部件的第一区段312a的第一表面312a1。在可充气胶胎2被充气时,角部A在第一表面312a1上滑动,膨胀壁的第三部分202c的与第四部分202d连接的另一端逐渐靠近T型部件的第一区段312a的第一表面312a1和第二表面312a2的连接处直到重合,同时,膨胀壁的第三部分202c在沿大致轴向的第二方向膨胀变形,使得膨胀壁的第三部分202c紧密贴合到T型部件的第一区段312a的第一表面312a1;膨胀壁的第三部分202c的外表面与膨胀壁的第四部分202d的外表面之间的夹角逐渐变大,从小于90度增大到大于90度。The
需要注意的是,上述“大致轴向的第二方向”指的是由T型部件的第一区段的第一表面312a1限定的、以轴线为母线的锥度不大于10°,可选的不大于5°,的轴向向内方向。所述锥度可以是由轴向向内方向发散,也可是是轴向向外方向发散。It should be noted that the above-mentioned "substantially axial second direction" refers to a taper defined by the
第四部分202d在其一端处连接到第三部分202c并在另一端处连接到第五部分202e。一般地,在未充气的情况下,第四部分202d的外表面与第五部分202e的外表面之间的夹角小于90度,而在充气膨胀的情况下,逐渐增大到等于或大于90度。在将堵头装置1安装到铸管还未充气时,第四部分202c不与骨架3的任何部分接触。在可充气胶胎2被充气时,第四部分202c大致沿具有轴向和纵向分量的第一方向膨胀变形,直到接触并紧密贴合到T型部件的第一区段的第二表面312a2,同时第四部分202d的外表面与第五部分202e的外表面之间的夹角逐渐增大,从小于90度增大到等于或大于90度。The
第五部分202e在一端处连接到第四部分202d并在另一端处连接到接触壁203。第五部分202e大致平行于T型部件的第二区段的第一表面312b1方向延伸。第五部分202e与接触壁203连接的一端处连接有固定环206。在将堵头装置1安装到铸管还未充气时,第五部分202e不与骨架3的任何部分接触;固定环206紧固在骨架限定的固定槽313’中。在可充气胶胎2被充气时,第五部分202e径向向内膨胀移动,第五部分202e的与接触壁203连接的端抵靠于固定槽313’上方的突起,第五部分202e的与第四部分202d连接的端膨胀移动,直到与骨架的第一区段的第二表面312a2和第二区段的第一表面312b1的连接处重合,同时第五部分202e沿具有轴向和径向分量的第一方向膨胀变形,使得膨胀型腔41完全消失。The
需要注意的是,上述“具有轴向和径向分量的第一方向”指的是由膨胀型腔41限定的伸缩路径轴向向内且径向向内的方向。It should be noted that the above-mentioned "first direction having axial and radial components" refers to an axially inward and radially inward direction of the expansion and contraction path defined by the
在一个实施方式中,接触壁203包括顺序连接的第一部分203a、第二部分203b和第三部分203c。第一部分203a基本沿配合于L型部件的第一区段311a的内表面的方向延伸。第一部分203a在一端处连接到成型壁201并在另一端处连接到接触壁的第二部分203b。在将堵头装置1安装到铸管5时,第一部分203a接触L型部件的第一区段311a。在可充气胶胎2被充气时,第一部分203a向L型部件的第一区段311a施加压力以紧密贴合于其上。接触壁的第二部分203b基本沿配合于L型部件的第二区段311b的内表面的方向延伸。接触壁的第二部分203b在一端处连接到接触壁的第一部分203a并在另一端处连接到接触壁的第三部分203c。在将堵头装置1安装到铸管5时,第二部分203b接触L型部件的第二区段311b。在可充气胶胎2被充气时,第二部分203b向L型部件的第二区段311b施加压力以紧密贴合于其上。接触壁的第三部分203基本上沿配合于L型部件的第三区段311c的内表面的方向延伸。接触壁的第三部分203c在一端处连接到接触壁的第二部分203b并在另一端处连接到膨胀壁202。在将堵头装置1安装到铸管5时,第三部分203c接触L型部件的第三区段311c。在可充气胶胎2被充气时,第三部分203c向L型部件的第三区段311c施加压力以紧密贴合于其上。In one embodiment, the
在本申请的实施方式中,通气孔24连通第一室22和第二室23,使得在充气时,第一室22和第二室23都能够充分膨胀,在放气时,第一室22和第二室23均能够充分缩回。In the embodiment of the present application, the
在本申请的实施方式中,牵拉环带21限制成型壁201在轴向方向的膨胀,有助于使得膨胀壁202如上所述在T型部件312限制的伸缩路径中规范地膨胀或缩回,以防止水泥内衬层52被粘掉。In the embodiment of the present application, the pulling
在本申请的实施方式中,当可充气胶胎2与骨架3配合使用时,胶胎本体20的与骨架3的L型部件的第三区段311c的内表面接触的接触壁203始终(在第一状态和第二状态都)紧密贴合骨架3的L型部件的第三区段311c的内表面,而无论可充气胶胎2被充气或放气。In the embodiment of the present application, when the
在本申请的实施方式中,当可充气胶胎2与骨架3配合使用时,可充气胶胎2的固定环206始终(在第一状态和第二状态都)紧固在骨架3的固定槽313’中,而无论可充气胶胎2被充气或放气。In the embodiment of the present application, when the
如图5A-B所示,在本申请的另一实施方式中,可充气胶胎2的胶胎本体20还可包括至少一个防滑脱环204a和可选的至少一个防滑脱筋204b。所述至少一个防滑脱环204a配置在成型壁201上,优选地配置在成型壁201的第一部分201a上。所述至少一个防滑脱环204a以铸管轴为中心沿径向分布,当充气时,所述至少一个防滑脱环204a提供了空间,以防止成型壁201因膨胀出现褶皱而影响胶胎和铸管的紧密贴合。As shown in FIGS. 5A-B, in another embodiment of the present application, the
可选地,可充气胶胎还可包括至少一个防滑脱筋204b。所述至少一个防滑脱筋204b沿轴向分布,在其一端连接到所述至少一个防滑脱环204a,在其另一端连接到成型壁的第一部分201a。在一个实施方式中,如图5A所示,防滑脱筋204b的外表面可以与成型壁的第一部分201a的外表面不在同一圆柱或圆锥面内,而是相对于成型壁位于径向向外一定距离的圆柱或圆锥面内,如图5A中的局部放大图I所示;在另一实施方式中,如图5B所示,防滑脱筋204b的外表面可以与成型壁的第一部分201a的外表面在同一圆柱或圆锥面中,如图5B中的局部放大图I所示。防滑脱环204a和/或防滑脱筋204b用于确保堵头装置1紧固在铸管5上,即使在铸管5高速旋转的情况下也不易脱落。Optionally, the inflatable rubber tire may further include at least one
在本申请的实施方式中,可充气胶胎2可以是一次性的也可以是可重复使用的。这可以取决于,诸如,构成可充气胶胎2的材料、制作工艺和应用目的。In the embodiment of the present application, the
在本申请的其他实施方式中,呼吸孔317的一端可以位于骨架3的T型部件312的限定容纳空间4的表面上,另一端可以开在骨架3的通向外界大气的任何合适的位置处,而不局限于与用于充气嘴26的贯穿孔316位于同一侧。In other embodiments of the present application, one end of the
在本申请的实施方式中,充气嘴26可以是一个或多个。相应地,贯穿孔316配置成适合于充气嘴26的数量和形状。In the embodiment of the present application, the
在本申请的实施方式中,可充气胶胎2内部所充膨胀介质可以是适用于具体场景需要的任何气体,包括但不限于空气和/或氮气等惰性气体。在某些情况下,膨胀介质不限于气体,也包括,例如,液体。相应地,本申请所述的充气嘴26并不局限于用于填充气体,而是可以用于充入任何合适的膨胀介质的装置。In the embodiment of the present application, the inflation medium inside the
在本申请的实施方式中,胶胎还可包括除第一室22和第二室23以外的其他室(例如第三室等),可用于进一步保持成型壁的角度和防止胶胎本体20移位。In the embodiment of the present application, the rubber tire may further include other chambers (eg, a third chamber, etc.) in addition to the
虽然在本申请中以水泥涂衬举例,但是本申请的应用范围并不限于水泥涂衬。Although cement lining is used as an example in this application, the application scope of this application is not limited to cement lining.
虽然在本申请中以铸管插口的使用作为示例描述了本申请的骨架3、可充气胶胎2和堵头装置1,但本申请的骨架3、可充气胶胎2和堵头装置1还可以用于铸管的承口。Although the
虽然在铸管的实施例中描述了本申请的骨架3、可充气胶胎2和堵头装置1,但本申请的骨架3、可充气胶胎2和堵头装置1的应用范围并不局限于铸管,同样也使用于与铸管类似的其他需要密封的管材。Although the
虽然这里参考具体的实施方式描述了本申请,但是本申请的范围并不局限于所示的细节。在不偏离本申请的基本原理的情况下,可针对这些细节做出各种修改。Although the application is described herein with reference to specific embodiments, the scope of the application is not limited to the details shown. Various modifications may be made to these details without departing from the underlying principles of the application.
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