EP4166718B1 - Positionierungsrohr zur verriegelung eines rundrohrs und sicherheitsgeländer mit positionierungsrohr - Google Patents

Positionierungsrohr zur verriegelung eines rundrohrs und sicherheitsgeländer mit positionierungsrohr

Info

Publication number
EP4166718B1
EP4166718B1 EP22200944.1A EP22200944A EP4166718B1 EP 4166718 B1 EP4166718 B1 EP 4166718B1 EP 22200944 A EP22200944 A EP 22200944A EP 4166718 B1 EP4166718 B1 EP 4166718B1
Authority
EP
European Patent Office
Prior art keywords
pipe
round
positioning pipe
positioning
pipes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP22200944.1A
Other languages
English (en)
French (fr)
Other versions
EP4166718A1 (de
EP4166718C0 (de
Inventor
Kong Meng YE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP4166718A1 publication Critical patent/EP4166718A1/de
Application granted granted Critical
Publication of EP4166718C0 publication Critical patent/EP4166718C0/de
Publication of EP4166718B1 publication Critical patent/EP4166718B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B26/00—Tracks or track components not covered by any one of the preceding groups
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/02—Continuous barriers extending along roads or between traffic lanes
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2201/00—Fastening or restraining methods

Definitions

  • the present invention relates to an assembly of a positioning pipe and a round pipe, wherein the round pipe has a circular cross-section and the positioning pipe is provided with a through hole in the pipe which passes through the pipe wall on two opposite wall parts of the pipe wall and through which the round pipe is slid, which assembly is provided with a sleeve being open at both ends and being provided with at least one groove extending from the first end, the sleeve being disposed about the round pipe and fixed relative to the positioning pipe, and which assembly is provided with a pipe locking member being around the sleeve near the first end of the sleeve, the pipe locking member clamps the sleeve on the round pipe, wherein the sleeve is provided at a second end with a limiting portion that does not fit through the through hole.
  • a railway safety guardrail is usually suspended and locked on a support of rails of a railway and includes a plurality of fiberglass round pipes and fiberglass square pipes, that are mounted to intersect each other, wherein each fiberglass round pipe passes through the corresponding fiberglass square pipe and is fixed by a screw. Since the fiberglass pipe like a glass product is very hard but has no any gripping force, the shaking of passing trains or high-speed rails will cause a greater friction between the fiberglass pipes and the screws, which will cause pores of the fiberglass to become larger and loosened, resulting in a significant reduction in the service life of the safety guardrail.
  • the fiberglass pipe is characterized in that once a hole is drilled in the complete square pipe, the drilled hole must be sealed with resin immediately to prevent the fiberglass pipe from aggravating its own structural damage.
  • the fiberglass pipes are fixed with screws, there is no way to coat the screws and the fiberglass pipes with resin, such that the resulting products in this way are defective products.
  • the most troublesome thing in machining is to drill round holes in the fiberglass square pipes and fix the fiberglass round pipes into the square pipes with the screws, which will produce more fiberglass pipe powder.
  • the fiberglass pipe powder will cause allergies to many people, such as extreme itching, stinging like acupuncture, red spots on the skin like acupuncture and other phenomenon, such that staff cannot work stably. New staff must be screened for those who are not allergic, which makes recruitment particularly difficult; and in turn, the products are not suitable for mass production.
  • An assembly according to the preamble of claim 1 is known from KR-B-101486762 .
  • the sleeve projects through one of the two holes in the wall parts of the positioning pipe and the limiting portion of the sleeve is in contact with the inside of the boundary wall of the through hole in one of the walls of the positioning pipe.
  • an objective of the present invention is to provide an assembly of a positioning pipe and a round pipe, in which the positioning pipe is capable of effectively locking the round pipe and to provide a safety guardrail provided with the positioning pipe.
  • the sleeve projects through the two holes in said wall parts and the limiting portion of the sleeve is in contact with the outside of a boundary wall of the through hole in a wall portion of said pipe wall portions of the positioning pipe, wherein the pipe locking member abuts against the outside of the other wall part of said wall parts of the pipe wall, so that the sleeve and thus also the round pipe is fixed with respect to the positioning pipe.
  • the assembly according to the present invention is simple in structure, convenient to mount, and safe and environment-friendly, and suitable for mass production; and is high in practicability and has a strong promotion significance.
  • the invention further relates to a safety rail comprising two interconnected supports each comprising at least one pipe, the pipe of the one support being connected to the pipe of the other support, characterized in that the two pipes form part of an assembly according to the invention.
  • each support comprises two spaced parallel round pipes and two spaced parallel connecting pipes which are provided near the ends with pipe locking holes through which the round pipes protrude, the round pipes being attached to the connecting pipes, wherein of each support in one of the connecting pipes there are mounting holes through which the round pipes of the other support are slidable, the mounting holes in one of the connecting pipes of one of the supports are positioned between the ends and the pipe locking holes and the mounting holes in one of the connecting pipes of the other support are located between the pipe locking holes.
  • one of the supports being a main support comprising a first positioning pipe, a second positioning pipe, two horizontally extending first round pipes, and four pipe locking members, which are mounted vertically in parallel, wherein the two first round pipes are both inserted into the first positioning pipe and the second positioning pipe and arranged in parallel;
  • the other of the supports being a telescopic support comprising a third positioning pipe, a fourth positioning pipe, two horizontally extending second round pipes, and four pipe locking members, which are mounted vertically in parallel, wherein the two second round pipes are both inserted into the third positioning pipe and the fourth positioning pipe and are arranged in parallel;
  • the two second round pipes are arranged inside the two first round pipes, and the second positioning pipe and the third positioning pipe are both inserted into the two first round pipes and the two second round pipes;
  • each of the first positioning pipe and the fourth positioning pipe is provided with two longitudinally-through pipe locking holes, and each of the second positioning pipe and the third positioning pipe is provided with two pipe locking holes and two mounting holes respectively, wherein the two
  • FIGS. 1 to 5 show a first embodiment of a safety guardrail provided with a positioning pipe capable of effectively locking a round pipe.
  • the safety guardrail provided with the positioning pipe capable of effectively locking the round pipe comprises a main support 10 and a telescopic support 20 movably assembled on the main support 10, wherein the telescopic support 20 is telescopically movable along the main support 10.
  • the main support 10 comprises a first positioning pipe 11, a second positioning pipe 12, two horizontally extending first round pipes 13, and four pipe locking members 60, which are mounted vertically in parallel, wherein the two first round pipes 13 are both inserted into the first positioning pipe 11 and the second positioning pipe 12 and are locked by the pipe locking members 60.
  • the telescopic support 20 comprises a third positioning pipe 21, a fourth positioning pipe 22, two horizontally extending second round pipes 23, and four pipe locking members 60, which are mounted vertically in parallel, wherein the two second round pipes 23 are both inserted into the third positioning pipe 21 and the fourth positioning pipe 22 and are locked by the pipe locking members 60.
  • the two second round pipes 23 are arranged inside the two first round pipes 13, and the second positioning pipe 12 and the third positioning pipe 21 are both arranged on the two first round pipes 13 and the two second round pipes 23 in a penetrating manner.
  • the positioning pipe and the round pipe are both fiberglass pipes.
  • the first positioning pipe 11, the second positioning pipe 12, the third positioning pipe 21 and the fourth positioning pipe 22 are square pipes. It may be understood that the positioning pipe may also be a regular-shaped pipe such as a round pipe and a polygonal pipe, or other irregular-shaped pipe, and its specific structure is not limited here.
  • Each of the first positioning pipe 11 and the fourth positioning pipe 22 is provided with two longitudinally-through pipe locking holes 31, and each of the second positioning pipe 12 and the third positioning pipe 21 is provided with two pipe locking holes 31 and two mounting holes 41 respectively, wherein the two pipe locking holes 31 in the second positioning pipe 12 are respectively formed in the outer sides of the two mounting holes 41 in an extension direction of the second positioning pipe 12; and the two pipe locking holes 31 in the third positioning pipe 21 are formed between the two mounting holes 41 in an extension direction of the third positioning pipe 21.
  • the round pipe that is inserted into each pipe locking hole 31 is locked by mounting the pipe locking member 60.
  • An axially extending annular frame 50 is formed by extending from the pipe locking hole 31 toward the outside.
  • a cross section of the annular frame 50 is in a circular ring shape.
  • At least one position adjusting groove 51 is formed in the annular frame 50 and extends from a free end to the inside.
  • four position adjusting grooves 51 are provided, which divide the annular frame 50 uniformly into a plurality of frame blocks 52; and the plurality of spaced-apart frame blocks 52 makes the whole annular frame have higher elasticity.
  • the annular frame 50 is further provided with a limiting step portion 53 which is configured to limit the pipe locking members 60.
  • the pipe locking member 60 comprises a body portion 61 and a locking member 60 arranged on the body portion 61; a locking portion 611 is correspondingly arranged at both ends of the body portion, each of the two locking portions 611 is provided with a positioning hole 612, and the two positioning holes 612 are coaxial; and each positioning hole 612 is provided with an inner thread inside.
  • Each locking member 62 is provided with an outer thread outside. The locking member 62 is locked inside the two positioning holes 612, thereby locking the body portion, and the tightness degree in locking can be adjusted according to needs.
  • the shape size of an inner diameter of each pipe locking member 60 is matched with an appearance size of the annular frame 50. Specifically, the inner diameter of the pipe locking member 60 will be equal to or slightly smaller than the outer diameter of the annular frame 50, such that the annular frame 50 can be compressed inward to lock the round pipe.
  • the round pipe is inserted into the pipe locking hole 31, the body portion 61 of the pipe locking member 60 is then assembled on the annular frame 50, and the pipe locking member 62 is locked on the body portion 61, thereby realizing secure and non-destructive mounting of the round pipe and the positioning pipe.
  • FIG. 6 and FIG. 7 show a second embodiment of the safety guardrail provided with the positioning pipe capable of effectively locking the round pipe.
  • the structure in this embodiment and the structure of the first embodiment are substantially the same, but are different just in that: the annular frame 50 is arranged on a separate inner sleeve 70, rather than on the positioning pipe.
  • the inner sleeve 70 comprises a main body portion 71, and a limiting portion 72 and a annular frame 50a which are arranged on both ends of the main body portion 71, wherein an outer diameter of the limiting portion 72 is larger than the main body portion 71 and the annular frame 50a.
  • the limiting portion 72 is configured to limit the inner sleeve 70.
  • An outer diameter of the main body portion 71 and an outer diameter of the annular frame 50a are respectively equal to or slightly smaller than the inner diameter of the pipe locking hole 31.
  • the structure of the annular frame 50a is basically the same as that of the annular frame 50.
  • the inner sleeve 70 is installed into the pipe locking hole 31; the inner surface of the limiting portion 72 is limited on the outer surface of the positioning pipe; the main body portion 71 extends into the pipe locking hole 31; and the annular frame 50a extends out of the pipe locking hole 31.
  • the round pipe is inserted into the inner sleeve 70, the body portion 61 of the pipe locking member 60 is assembled on the annular frame 50a, and the locking member 62 passes through the two positioning holes 612 and is locked, such that the round pipe is securely locked in the positioning pipe.
  • the round pipe that is inserted into the mounting hole 41 is movably adjustable in the case of not being locked.
  • the round pipe When the positioning pipe is prepared by using a plastic injection part and a casting process, the round pipe may be locked inside the positioning pipe by using the annular frame 50 and the pipe locking members 60 in the first embodiment. Of course, the round pipe may also be locked inside the positioning pipe by using the inner sleeve 70 in the second embodiment. However, when the positioning pipe is prepared by using a process other than a plastic injection part and a casting process, the round pipe may be locked inside the positioning pipe by using the inner sleeve 70 in the second embodiment.
  • the positioning pipe is provided with the pipe locking holes 31, the annular frame 50 and the pipe locking members 60, and the annular frame 50 is provided with the plurality of position adjusting grooves 51 which divides the annular frame 50 into a plurality of frame blocks 52, such that the whole annular frame 50 has higher elasticity; in addition to simple locking with the pipe locking members 60, the round pipe can be locked inside the positioning pipe securely and non-destructively.
  • the present invention is simple in structure, convenient to mount, and safe and environment-friendly, and suitable for mass production; and is high in practicability and has a strong promotion significance.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Claims (5)

  1. Eine Anordnung aus einem Positionierrohr (11, 12, 21, 22) und einem Rundrohr (13, 23) für ein Sicherheitsgeländer, wobei das Rundrohr (13, 23) einen kreisförmigen Querschnitt aufweist und das Positionierrohr (11, 12, 21, 22) mit einer Durchgangsbohrung (31, 41) versehen ist, die die Rohrwand an zwei gegenüberliegenden Wandteilen durchdringt und durch die das Rundrohr (13, 23) geschoben wird, wobei die Anordnung mit einer an beiden Enden offenen Hülse (70) versehen ist, die mindestens eine Nut aufweist, die von einem ihrer ersten Enden ausgeht, wobei die Hülse (70) um das Rundrohr (13, 23) angeordnet ist und relativ zum Positionierrohr (11, 12, 21, 22) fixiert ist, wobei die Anordnung mit einem Rohrverriegelungselement (60) versehen ist, das die Hülse (70) nahe dem ersten Ende der Hülse umschließt, wobei das Rohrverriegelungselement (60) die Hülse (70) auf dem Rundrohr (13, 23) klemmt, wobei die Hülse (70) an einem zweiten Ende mit einem Begrenzungsabschnitt (72) versehen ist, der nicht durch die Durchgangsöffnung (31) passt, dadurch gekennzeichnet, dass die Hülse (70) durch die Öffnungen (31, 41) in den beiden gegenüberliegenden Wandteilen ragt, wobei der Begrenzungsabschnitt (72) der Hülse (70) an der Außenseite einer Begrenzungswand der Durchgangsöffnung (31) in einem der beiden gegenüberliegenden Wandteile anliegt, wobei das Rohrverriegelungselement (60) an der Außenseite des anderen der beiden gegenüberliegenden Wandteile anliegt, so dass die Hülse (70) und damit auch das Rundrohr (13, 23) in Bezug auf das Positionierrohr (12, 21, 22) fixiert ist.
  2. Eine Anordnung nach Anspruch 1, dadurch gekennzeichnet, dass die beiden Rohre (11, 12, 21, 22, 13, 23) aus Glasfaser bestehen.
  3. Ein Sicherheitsgeländer umfassend zwei miteinander verbundenen Stützen (10, 20), wobei jede Stütze mindestens ein Positionierrohr (11, 12, 21, 22) und ein Rundrohr (12, 13) umfasst, wobei das Rundrohr (12, 13) der einen Stütze (10) mit dem Positionierrohr (21, 23) der anderen Stütze (20) verbunden ist, dadurch gekennzeichnet, dass die beiden (12, 13, 21, 23) eine Anordnung nach einem der vorhergehenden Ansprüche bilden.
  4. Sicherheitsgeländer nach Anspruch 3, dadurch gekennzeichnet, dass jede Stütze (10, 20) zwei parallele Rundrohre (13, 23) und zwei parallele Verbindungsrohre (11, 12, 21, 22) umfasst, die in der Nähe der Enden mit Rohrverriegelungslöchern (31) versehen sind, durch die die Rundrohre (13, 23) ragen, wobei die Rundrohre (13, 23) an den Verbindungsrohren (11, 12, 21, 22) befestigt sind, wobei sich in einem der Verbindungsrohre (12) jeder Stütze (10) Befestigungslöcher (41) befinden, durch die die Rundrohre (23) der anderen Stütze (20) schiebbar sind, wobei die Befestigungslöcher (41) in einem der Verbindungsrohre (21) einer der Stützen (20) zwischen den Enden und den Rohrverriegelungslöchern (31) angeordnet sind und die Befestigungslöcher (41) in einem der Verbindungsrohre (12) der anderen Stütze (10) zwischen den Rohrverriegelungslöcher (31).
  5. Sicherheitsgeländer nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass eine der Stützen eine Hauptstütze ist, die einem ersten Positionsrohr (11), einem zweiten Positionsrohr (12), zwei horizontal verlaufenden ersten Rundrohren (13) und vier vertikal parallel montierten Rohrverriegelungselementen (60) umfasst, wobei die beiden ersten Rundrohre (13) sowohl in das erste Positionsrohr (11) als auch in das zweite Positionsrohr (12) eingesetzt und parallel angeordnet sind; wobei die andere Stütze eine Teleskopstütze ist, die einem dritten Positionsrohr (21), einem vierten Positionsrohr (22), zwei horizontal verlaufenden zweiten Rundrohren (23) und vier vertikal parallel montierten Rohrverriegelungselementen (60) umfasst, wobei die beiden zweiten Rundrohre (23) sowohl in das dritte Positionsrohr (21) als auch in das vierte Positionsrohr (22) eingesetzt und parallel angeordnet sind; wobei die beiden zweiten Rundrohre (23) innerhalb der beiden ersten Rundrohre (13) angeordnet sind, und das zweite Positionierrohr (12) und das dritte Positionierrohr (21) beide in die beiden ersten Rundrohre (13) und die beiden zweiten Rundrohre (23) eingesetzt sind; wobei das erste Positionierrohr (11) und das vierte Positionierrohr (22) jeweils mit zwei längs durchgehenden Rohrverriegelungslöchern versehen sind, und das zweite Positionierrohr (12) und das dritte Positionierrohr (21) jeweils mit zwei Rohrverriegelungslöchern bzw. zwei Montagelöchern versehen sind, wobei die beiden Rohrverriegelungslöcher im zweiten Positionierrohr (12) jeweils an den Außenseiten der beiden Montagelöcher ausgebildet sind, und die beiden Rohrverriegelungslöcher im dritten Positionierrohr (21) zwischen den beiden Montagelöchern ausgebildet sind.
EP22200944.1A 2021-10-14 2022-10-11 Positionierungsrohr zur verriegelung eines rundrohrs und sicherheitsgeländer mit positionierungsrohr Active EP4166718B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111197069.4A CN114016337A (zh) 2021-10-14 2021-10-14 可有效锁紧圆管的定位管及具有该定位管的安全护栏

Publications (3)

Publication Number Publication Date
EP4166718A1 EP4166718A1 (de) 2023-04-19
EP4166718C0 EP4166718C0 (de) 2025-12-10
EP4166718B1 true EP4166718B1 (de) 2025-12-10

Family

ID=80056057

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22200944.1A Active EP4166718B1 (de) 2021-10-14 2022-10-11 Positionierungsrohr zur verriegelung eines rundrohrs und sicherheitsgeländer mit positionierungsrohr

Country Status (2)

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EP (1) EP4166718B1 (de)
CN (1) CN114016337A (de)

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Publication number Priority date Publication date Assignee Title
DE3802899A1 (de) * 1988-02-01 1989-08-10 Lothar Elsner Rohrklemmverbindung
KR101026147B1 (ko) * 2010-12-22 2011-04-05 (주)대원시스템 간편한 조립구조를 갖는 보도용 난간 및 그 조립방법
US9133645B2 (en) * 2013-10-04 2015-09-15 AGS Stainless, Inc. Rod fittings and assemblies
KR101486762B1 (ko) * 2014-09-29 2015-01-28 우성안전 주식회사 유동적 체결구조를 갖는 안전펜스
CN205444740U (zh) * 2016-01-08 2016-08-10 新中联物流设施（苏州）有限公司 栏杆紧定套和圆管护栏结构
CN206408561U (zh) * 2016-10-12 2017-08-15 余光明 安全护栏
CN208219652U (zh) * 2018-03-30 2018-12-11 四联中科能源科技有限公司 一种用于固定地温融雪灌浆管的管卡及灌浆装置
CN208441620U (zh) * 2018-07-03 2019-01-29 中国十九冶集团有限公司 安全防护栏
CN111779922A (zh) * 2020-08-13 2020-10-16 江苏飒雪制冷设备工程有限公司 一种制冷管道用高强度套管
CN217149749U (zh) * 2021-10-14 2022-08-09 余光明 可有效锁紧圆管的定位管及具有该定位管的安全护栏

Also Published As

Publication number Publication date
EP4166718A1 (de) 2023-04-19
CN114016337A (zh) 2022-02-08
EP4166718C0 (de) 2025-12-10

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