CN113802872B - Movable protection channel for installing steel structure truss - Google Patents

Movable protection channel for installing steel structure truss Download PDF

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Publication number
CN113802872B
CN113802872B CN202111031706.0A CN202111031706A CN113802872B CN 113802872 B CN113802872 B CN 113802872B CN 202111031706 A CN202111031706 A CN 202111031706A CN 113802872 B CN113802872 B CN 113802872B
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China
Prior art keywords
steel structure
shaped cross
structure truss
base
cross rod
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CN202111031706.0A
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Chinese (zh)
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CN113802872A (en
Inventor
黄伟成
廖红玉
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China First Metallurgical Group Co Ltd
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China First Metallurgical Group Co Ltd
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Priority to CN202111031706.0A priority Critical patent/CN113802872B/en
Publication of CN113802872A publication Critical patent/CN113802872A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32Safety or protective measures for persons during the construction of buildings
    • E04G21/3204Safety or protective measures for persons during the construction of buildings against falling down
    • E04G21/3209Temporary tunnels specially adapted against falling objects
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The invention discloses a movable protection channel for installing a steel structure truss, which comprises a base arranged on the steel structure truss and guardrails positioned on two sides of the base, wherein the base and the upper part of a steel structure truss framework form a bottom plate of a protection railing; the base comprises U-shaped cross rods which are arranged at intervals on the upper part of the steel structure truss and a locking mechanism used for fixing the U-shaped cross rods on the steel structure truss, the U-shaped cross rods are downward in opening, inward folded edges are arranged at the bottoms of two side edges, and an inner cavity of each U-shaped cross rod forms a slideway; the top of the locking mechanism is provided with a sliding block, the sliding block is arranged in the inner cavity of the U-shaped cross rod, and the bottom of the locking mechanism is connected with the steel structure truss. The U-shaped cross rod and the locking mechanism with the sliding block are adopted as the base of the guardrail, so that the base of the guardrail can adapt to box-shaped steel structure trusses with various dimensions.

Description

Movable protection channel for installing steel structure truss
Technical Field
The invention relates to the field of installation and construction of a large-span truss steel structure, in particular to a movable protection channel for installing a steel structure truss and an installation method.
Background
The steel structure has good plasticity and toughness, has much higher strength compared with other building materials, and is lighter than other structural forms when bearing the same load and conditions; especially, the steel truss structure can realize large span and large load. However, steel trusses are usually manufactured in sections during transportation and the like, and reach an installation position for combination; a protective railing is required to be arranged to ensure the absolute safety of the passage of constructors during high-altitude construction; due to the limitation of the section size of the steel structure, if the width of the plane on the steel structure is not enough as a passage, a high-altitude construction personnel passage needs to be additionally arranged. The conventional method comprises the following steps: the method 1 includes that the plane size of a steel structure truss is widened by welding sectional materials along the width direction, and the protective handrail is installed to achieve safe passing of constructors; and 2, a safety channel is independently established, and the method is high in cost.
Disclosure of Invention
The invention aims to solve the technical problem that a protective channel capable of being used repeatedly is erected on a steel structure, and provides a movable protective channel for mounting a steel structure truss aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a movable protection channel for installing a steel structure truss comprises a base arranged on the steel structure truss and guardrails positioned on two sides of the base, wherein the base and the upper part of a steel structure truss framework form a bottom plate of a protection railing; the method is characterized in that: the base comprises U-shaped cross rods and a locking mechanism, the U-shaped cross rods are positioned at the upper part of the steel structure truss and are arranged at intervals, the locking mechanism is used for fixing the U-shaped cross rods on the steel structure truss, the openings of the U-shaped cross rods are downward, inward folded edges are arranged at the bottoms of two side edges, and an inner cavity of each U-shaped cross rod forms a slideway; the top of the locking mechanism is provided with a sliding block, the sliding block is arranged in the inner cavity of the U-shaped cross rod, and the bottom of the locking mechanism is connected with the steel structure truss;
the base further comprises an adjusting joint assembly for limiting the base to shake left and right and positioning pin shafts positioned at two ends of the U-shaped cross rod, the adjusting joint assembly comprises a lower inclined strut, an adjusting joint and an upper inclined strut which are sequentially connected, two ends of the adjusting joint are respectively connected with the end parts of the upper inclined strut and the lower inclined strut, the other end of the lower inclined strut is fixed on the corner protecting plate, and the other end of the upper inclined strut is fixed on the positioning pin shafts; the top of the positioning pin shaft is connected with the guardrail, the middle of the positioning pin shaft is connected with the U-shaped cross rod, and the bottom of the positioning pin shaft is connected with the adjusting joint component;
the positioning pin shaft comprises a first pin shaft connected with the guardrail, T-shaped connecting blocks located in inner cavities of two ends of the U-shaped cross rod and concave connecting blocks connected with the adjusting joint assembly, the upper portion of the first pin shaft is arranged in the guardrail in a penetrating mode and connected with the guardrail in a penetrating mode, the lower portion of the first pin shaft penetrates through orifices formed in the upper portions of the two ends of the U-shaped cross rod to be connected with the T-shaped connecting blocks, and the lower portion of the T-shaped connecting blocks is connected with the concave connecting blocks through bolts.
According to the technical scheme, the locking mechanism further comprises a fixing screw rod, a locking nut matched with the fixing screw rod and an angle protection plate used for limiting, one end of the fixing screw rod is fixed on the sliding block, the other end of the fixing screw rod is connected with the angle protection plate through the locking nut, and the angle protection plate is tightly pressed on the lower portion of the steel structure truss under the pressure of the locking screw rod.
According to the technical scheme, the corner protection plate is of an inverted T-shaped structure and comprises a horizontal panel and a vertical panel, wherein the horizontal panel and the vertical panel form two adjacent right-angle parts; one right-angle part of the corner protection plate is attached to the side face and the bottom face of the steel structure truss, and the other right-angle part of the corner protection plate is connected with the fixing screw rod through a locking nut.
According to the technical scheme, the guardrail comprises upright rods, cross rods positioned between the adjacent upright rods and transition connecting pieces matched with the upright rods, wherein the transition connecting pieces are arranged at two ends of each cross rod and connected with the upright rods through bolts.
According to the technical scheme, the interval between the adjacent upright posts is 10-30mm larger than the length of the cross bar.
According to the technical scheme, the interval range between the U-shaped cross rods is 300-800mm.
According to the technical scheme, the base further comprises a passageway plate used for filling a gap between the steel structure truss and the guardrail, and the passageway plate is fixed on the guardrail.
The invention has the following beneficial effects:
1. the U-shaped cross rod is used as a support of the base, the opening of the U-shaped cross rod is downward, and the bottom ends of two side surfaces are provided with inward folded edges, so that an inner cavity of the U-shaped cross rod forms a slideway; in addition, the U-shaped cross rod is fixed to the box-shaped steel structure truss through a locking mechanism with a sliding block arranged at one end, and the sliding block slides in the inner cavity of the U-shaped cross rod, so that the base of the protective barrier can adapt to the box-shaped steel structure truss with various dimensions.
2. The two ends of the U-shaped cross rod are also provided with adjusting joint assemblies for limiting the U-shaped cross rod to move left and right, and the reliability of the protective barrier is greatly enhanced on the basis that the U-shaped cross rod is limited to move left and right only by the friction force between the sliding block and the inner cavity of the U-shaped cross rod.
3. The cross rod, the vertical rod and the transition connecting piece of the handrail adopt detachable fixing modes such as bolts, and the handrail is convenient to reuse.
Drawings
FIG. 1 is a front view of a provided embodiment of the invention;
FIG. 2 is a side view of a provided embodiment of the invention;
FIG. 3 is an enlarged view of FIG. 2 at I;
FIG. 4 is a view of a transition piece of the guard rail of the present embodiment;
FIG. 5 is an enlarged view at II of FIG. 1 in accordance with an embodiment of the present invention;
FIG. 6 is a schematic view in the direction A of an enlarged view at point II of an embodiment of the present invention;
FIG. 7 is an enlarged view at III of FIG. 1 of an embodiment of the present invention;
in the figure, 1, a base; 2. a guardrail; 2-1, erecting a rod; 2-2, a cross bar; 2-3, transition connecting pieces; 2-3a, connecting plates; 2-3b and a second pin shaft; 3. a steel structural truss framework; 4. a U-shaped cross bar; 5. a locking mechanism; 5-1, a sliding block; 5-2, fixing a screw rod; 5-3, locking a nut; 5-4, corner protecting plates; 5-4a, a horizontal panel; 5-4b, vertical panels; 6. adjusting the joint assembly; 6-1, lower inclined struts; 6-2, adjusting sections; 6-3, upper inclined struts; 7. positioning a pin shaft; 7-1, a first pin shaft; 7-2, T-shaped connecting blocks; 7-3, concave connecting blocks; 8. a road passing plate; 9. a baffle plate; I/II/III, enlarged figure code; A. and II, enlarging the direction A of the picture.
Detailed Description
The present invention will be described in detail below with reference to the drawings and examples.
Referring to fig. 1 to 7, the movable protection channel for installing the steel structure truss provided by the invention comprises a base 1 arranged on the steel structure truss and guardrails 2 positioned on two sides of the base, wherein the base and the upper part of a steel structure truss framework 3 form a bottom plate of a protection railing. The base comprises U-shaped cross rods 4 which are arranged on the upper portion of the steel structure truss at intervals and locking mechanisms 5,U which are used for fixing the U-shaped cross rods on the steel structure truss, wherein openings of the cross rods are arranged downwards, inward folded edges are arranged at the bottoms of two side edges, and an inner cavity of each U-shaped cross rod forms a slide way. The interval range between the U-shaped cross bars is 300-800mm. The top of the locking mechanism is provided with a sliding block 5-1, the sliding block is arranged in the inner cavity of the U-shaped cross rod, and the bottom of the locking mechanism is connected with the steel structure truss. The U-shaped cross rod is arranged at the top of the steel structure truss, locking mechanisms are arranged on two sides of the U-shaped cross rod, and the locking mechanisms are tightly attached to two side faces and the bottom of the steel structure truss. The U-shaped cross rod and the locking mechanism are tightly attached to the upper surface, the lower surface, the left surface and the right surface of the steel structure truss to fix the guardrail on the steel structure truss (the U-shaped cross rod is tightly attached to the steel structure truss through the locking mechanism, and the U-shaped cross rod and the steel structure truss generate friction force to limit the U-shaped cross rod to slide left and right).
In some embodiments, the locking mechanism further comprises a fixing screw 5-2, a locking nut 5-3 matched with the fixing screw, and a corner protection plate 5-4 for limiting. The slider freely moves in the U-shaped cross rod, one end of the fixing screw rod is fixed on the slider, the other end of the fixing screw rod is connected with the angle protection plate through the locking nut, and the angle protection plate is tightly pressed on the lower portion of the steel structure truss under the pressure of the locking screw rod. The corner protection plate is of an inverted T-shaped structure and mainly comprises a horizontal panel 5-4a and a vertical panel 5-4b, wherein the horizontal panel is parallel to the bottom surface of the steel structure truss, the vertical panel is parallel to the side surface of the steel structure truss, and the joint of the vertical panel and the horizontal panel is positioned in the middle of the horizontal panel. The horizontal panel and the vertical panel of the corner protection plate form two adjacent right-angle parts, one right-angle part is attached to the side face and the bottom face of the steel structure truss, the other right-angle part is connected with the fixing screw rod through the locking nut, and the locking screw rod penetrates through the horizontal panel and is connected with the locking nut. The angle protection plate and the U-shaped truss are tightly attached to the upper surface and the lower surface of the steel structure truss, so that friction force for overcoming left and right movement of the base exists between the base and the upper surface and the lower surface of the steel structure truss.
In some embodiments, the base further comprises an adjusting joint assembly 6 for limiting the base to swing left and right and positioning pins 7 located at two ends of the U-shaped cross rod; the adjusting joint component comprises a lower inclined strut 6-1, an adjusting joint 6-2 and an upper inclined strut 6-3 which are connected in sequence. One end of the lower inclined strut is connected with the corner protecting plate, and the other end of the lower inclined strut is connected with one end of the adjusting joint; the other end of the adjusting joint is connected with one end of the upper inclined strut, and the other end of the upper inclined strut is connected with the positioning pin shaft. The top of the positioning pin shaft is connected with the guardrail, the middle of the positioning pin shaft is connected with the U-shaped cross rod, and the bottom of the positioning pin shaft is connected with the adjusting joint component. The adjusting bolt can further limit the U-shaped cross rod to prevent the U-shaped cross rod from moving.
In some of the above embodiments, the positioning pin comprises a first pin 7-1 connected to the guardrail, a T-shaped connecting block 7-2 located in the inner cavity of the two ends of the U-shaped cross bar, and a concave connecting block 7-3 connected to the adjusting joint assembly. The upper part of the first pin shaft penetrates through the guardrail and is connected with the guardrail, the lower part of the first pin shaft penetrates through the orifices formed in the upper parts of the two ends of the U-shaped cross rod and is connected with the T-shaped connecting block, and the lower part of the T-shaped connecting block is connected with the concave connecting block through a bolt. The T-shaped connecting block is arranged in the U-shaped cross rod and matched with the U-shaped cross rod, the first pin shaft is fixedly connected with the top of the T-shaped connecting block, and the first pin shaft and the T-shaped connecting block do not move relatively under the action of the inner cavity of the U-shaped cross rod and openings at two ends of the U-shaped cross rod.
In some of the embodiments described above the guard rail comprises uprights 2-1, cross-bars 2-2 between adjacent uprights and transition pieces 2-3 matching the uprights. The transition connecting piece comprises a connecting plate 2-3a and a second pin shaft 2-3b, two ends of the cross rod are respectively provided with the transition connecting piece, and the second pin shaft of the transition connecting piece is inserted into the inner cavity of the cross rod. The transition connecting piece is connected with the vertical rod through a bolt (when the two sides of the vertical rod are both provided with the cross rods, the transition connecting piece at the two sides is connected with the vertical rod through the same group of bolts). An upper layer of cross rod and a lower layer of cross rod are arranged between the adjacent vertical rods, and a first pin shaft is inserted into the bottom of each vertical rod and is connected with the bottom of each vertical rod through a bolt. The interval between the adjacent upright rods is 10-30mm larger than the length of the cross rod. The base further comprises a passageway plate 8 used for filling a gap between the steel structure truss and the guardrail, and the passageway plate is fixed on the guardrail through a baffle plate 9.
Preferably, the spacing between the U-shaped cross bars is 500mm.
The installation method of the invention comprises the following steps:
the method comprises the following steps: the locking mechanism (the sliding block and the fixing screw) and the positioning pin shaft (the first pin shaft and the T-shaped connecting block) are installed on the U-shaped cross rod, and then the U-shaped cross rod is arranged on the box-shaped steel structure truss at intervals.
Step two: adjusting a fixing screw rod and a sliding block of the locking mechanism to proper positions (the locking screw rod is tightly attached to the left side surface and the right side surface of the box-type steel structure truss), then installing corner protecting plates and fastening fixing bolts, and locking the U-shaped cross rod on the box-type steel structure truss.
Step three: and installing an adjusting joint assembly, connecting the upper inclined support with the fixed shaft pin (the concave connecting block of the fixed shaft pin is fixedly connected with the upper inclined support, and the concave connecting block is connected with the T-shaped connecting block through a bolt), sequentially connecting the upper inclined support, the adjusting joint and the lower inclined support, and connecting the lower inclined support with the corner protecting plate.
Step four: installing the guardrail, inserting the first pin shaft into the inner cavity of the bottom of the vertical rod and fixing the first pin shaft by using a bolt, sleeving the two ends of the cross rod with the transition connecting piece, and finally connecting the transition connecting piece with the vertical rod.
Step five: and a passageway plate is arranged in a gap between the upper part of the box-shaped steel structure truss and the bottom of the guardrail, and the passageway plate is horizontally arranged and connected with the vertical rod through a baffle plate.
The above is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereby, and therefore, the present invention is not limited by the scope of the claims.

Claims (7)

1. A movable protection channel for installing a steel structure truss comprises a base arranged on the steel structure truss and guardrails positioned on two sides of the base, wherein the base and the upper part of a steel structure truss framework form a bottom plate of a protection railing; the method is characterized in that: the base comprises U-shaped cross rods and a locking mechanism, the U-shaped cross rods are positioned at the upper part of the steel structure truss and are arranged at intervals, the locking mechanism is used for fixing the U-shaped cross rods on the steel structure truss, the openings of the U-shaped cross rods are downward, inward folded edges are arranged at the bottoms of two side edges, and an inner cavity of each U-shaped cross rod forms a slideway; the top of the locking mechanism is provided with a sliding block, the sliding block is arranged in the inner cavity of the U-shaped cross rod, and the bottom of the locking mechanism is connected with the steel structure truss;
the base further comprises an adjusting joint assembly for limiting the base to shake left and right and positioning pin shafts positioned at two ends of the U-shaped cross rod, the adjusting joint assembly comprises a lower inclined strut, an adjusting joint and an upper inclined strut which are sequentially connected, two ends of the adjusting joint are respectively connected with the end parts of the upper inclined strut and the lower inclined strut, the other end of the lower inclined strut is fixed on the corner protecting plate, and the other end of the upper inclined strut is fixed on the positioning pin shafts; the top of the positioning pin shaft is connected with the guardrail, the middle part of the positioning pin shaft is connected with the U-shaped cross rod, and the bottom of the positioning pin shaft is connected with the adjusting joint component;
the positioning pin shaft comprises a first pin shaft connected with the guardrail, T-shaped connecting blocks located in inner cavities of two ends of the U-shaped cross rod and concave connecting blocks connected with the adjusting joint assembly, the upper portion of the first pin shaft is arranged in the guardrail in a penetrating mode and connected with the guardrail in a penetrating mode, the lower portion of the first pin shaft penetrates through orifices formed in the upper portions of the two ends of the U-shaped cross rod to be connected with the T-shaped connecting blocks, and the lower portion of the T-shaped connecting blocks is connected with the concave connecting blocks through bolts.
2. The movable protection channel for installation of the steel structure truss as claimed in claim 1, wherein: the locking mechanism further comprises a fixing screw rod, a locking nut matched with the fixing screw rod and an angle protection plate used for limiting, one end of the fixing screw rod is fixed on the sliding block, the other end of the fixing screw rod is connected with the angle protection plate through the locking nut, and the angle protection plate is tightly pressed on the lower portion of the steel structure truss under the pressure of the locking screw rod.
3. The movable protection channel for the installation of the steel structure truss as claimed in claim 2, wherein: the corner protection plate is of an inverted T-shaped structure and comprises a horizontal panel and a vertical panel, and the horizontal panel and the vertical panel form two adjacent right-angle parts; one right-angle part of the corner protection plate is attached to the side face and the bottom face of the steel structure truss, and the other right-angle part of the corner protection plate is connected with the fixing screw rod through a locking nut.
4. The movable protection channel for the installation of the steel structure truss as claimed in claim 1 or 2, wherein: the guardrail includes the pole setting, be located the horizontal pole between the adjacent pole setting and with pole setting assorted transition piece, the horizontal pole both ends are equipped with transition piece, and transition piece passes through the bolt and links to each other with the pole setting.
5. The movable protection channel for installation of the steel structure truss as claimed in claim 4, wherein: the interval between the adjacent upright rods is 10-30mm larger than the length of the cross rod.
6. The movable protection channel for the installation of the steel structure truss as claimed in claim 1 or 2, wherein: the interval range between the U-shaped cross bars is 300-800mm.
7. The movable protection channel for the installation of the steel structure truss as claimed in claim 1 or 2, wherein: the base also comprises a passageway plate used for filling a gap between the steel structure truss and the guardrail, and the passageway plate is fixed on the guardrail.
CN202111031706.0A 2021-09-03 2021-09-03 Movable protection channel for installing steel structure truss Active CN113802872B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111031706.0A CN113802872B (en) 2021-09-03 2021-09-03 Movable protection channel for installing steel structure truss

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111031706.0A CN113802872B (en) 2021-09-03 2021-09-03 Movable protection channel for installing steel structure truss

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CN113802872A CN113802872A (en) 2021-12-17
CN113802872B true CN113802872B (en) 2023-03-31

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037824A (en) * 1976-04-15 1977-07-26 Whitmer Gerald T Safety post
CA2670734A1 (en) * 2006-12-08 2008-06-19 Flexible Lifeline Systems, Inc. Enclosed track system for a fall protection system
CN206468030U (en) * 2017-01-19 2017-09-05 中国建筑第二工程局有限公司 A kind of isolated beam combined type faces bound defence rail
CN212428147U (en) * 2020-03-25 2021-01-29 中交三公局第三工程有限公司 Movable safety channel crossing between cast-in-situ beams
CN212406185U (en) * 2020-05-23 2021-01-26 王恒 Reinforced concrete wall body node structure for building industrialization
CN111809525A (en) * 2020-07-22 2020-10-23 武汉兴康安科技有限公司 Rail transit roof beam aerial working safety device

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