CN110762107B - Complete device for preventing bolt from falling and mounting and dismounting method - Google Patents
Complete device for preventing bolt from falling and mounting and dismounting method Download PDFInfo
- Publication number
- CN110762107B CN110762107B CN201911199894.0A CN201911199894A CN110762107B CN 110762107 B CN110762107 B CN 110762107B CN 201911199894 A CN201911199894 A CN 201911199894A CN 110762107 B CN110762107 B CN 110762107B
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- protective sleeve
- bolt
- falling
- installation
- tool
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 70
- 238000009434 installation Methods 0.000 claims abstract description 31
- 230000032683 aging Effects 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000002265 prevention Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 230000003449 preventive effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000013013 elastic material Substances 0.000 abstract 1
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/005—Measures against unauthorised operation of bolts, nuts or pins
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses a complete technology for preventing bolts from falling and an installation and disassembly method, wherein the complete technology comprises an anti-bolt falling protective sleeve made of ageing-resistant rubber, an installation and disassembly tool matched with the protective sleeve for use, and an installation and disassembly method of the device. The rubber protective sleeve is fixed on the high-strength bolt and is connected with each other by the rubber rope, and the protective sleeve room is restrained to form an integral structure by the elastic material, so that the purpose of preventing the bolt from falling is achieved, and safety accidents are avoided. The mounting tool is provided with a positioning groove and a press-pull rib, so that the protective sleeve can be quickly and accurately fixed on the joint surface of the mounting tool, and the purpose of quick mounting is realized; the installation tool adopts a scissor-like design, and the length of the handle solves the space limitation in high-altitude construction. The invention has the characteristics of good durability, simple installation and operation, high use reliability and the like, improves the bolt overhaul efficiency and is convenient for high-altitude construction operation.
Description
Technical Field
The invention relates to the field of disaster prevention and reduction of bridge engineering, in particular to a complete set of device for preventing bolts from falling, and specifically relates to a complete set of device comprising a bolt falling prevention device, a matched mounting tool and a mounting and dismounting method. The safety protection device is applied to the high-strength bolts of the steel structure bolt connection nodes and used for preventing the high-strength bolts from falling after being broken or loosened.
Background
Along with the wide application of steel bridges, particularly steel trusses, adopting bolted connection in domestic high-speed railway bridges and expressway bridges, the high-strength bolt falling diseases are more and more, the driving safety is seriously affected, the safety operation of the bridge is greatly hidden danger, the life and property safety of people is threatened, no effective measures are available at present to avoid the falling of the bolts, and therefore, the development of a simple and effective device for preventing the falling of the bolts is urgently needed. In addition, the bolts involved in a bridge are hundreds of thousands and millions, the control of labor cost and time cost is very critical, the installation and disassembly speed and efficiency of the device are very critical, the development of an installation tool matched with the device is required, and a standard operation method and operation flow are required, so that the operation of an installer is facilitated. Aiming at the problems, the invention develops a whole set of technology comprising the anti-bolt falling device, the matched mounting tool and the mounting and dismounting method, and provides technical support for thoroughly solving the problem of bolt falling.
Disclosure of Invention
The invention aims to provide a complete set of bolt falling prevention device and an installation and disassembly method, aiming at the current situation that the existing device is less in the way of coping with the falling diseases of high-strength bolts connected with a steel structure.
The invention adopts the following device proposal: the complete device for preventing the bolt from falling comprises a bolt falling preventing device and an installing and detaching tool; the anti-bolt falling device is installed and fixed on the steel structure bolt and detached from the steel structure bolt through an installation and detachment tool;
the anti-bolt falling device comprises a protective sleeve, a pressing and pulling rib, a positioning boss and a rubber rope;
the protective sleeve is made of ageing-resistant rubber, has high durability and long service life, avoids frequent replacement of the anti-falling device, has a large hexagonal head shape in the inner diameter, is matched with the shape of the large hexagonal head high-strength bolt in the protective sleeve, and can provide enough holding force for the bolt; the inner diameter of the protective sleeve is smaller than the outer diameter of the large hexagon high-strength bolt and is tightly combined with the large hexagon high-strength bolt;
the top end and the bottom end of the outer surface of the protective sleeve are provided with pressing and pulling ribs for fixing, so that the protective sleeve can be quickly and accurately fixed to the joint surface of the installation tool, and quick installation is realized;
the plurality of protection sleeves are connected through rubber ropes, so that the plurality of bolts are connected, and the bolts are prevented from falling;
the side surface of the protective sleeve is provided with a positioning boss at the lower part of the rubber rope to assist in the installation and positioning of the protective sleeve;
the mounting and dismounting tool comprises a protective sleeve joint surface, a handle connecting hole, a positioning groove, a closing seam, a pressing and pulling rib joint surface, a separation table and a handle; the combination surface of the protective sleeve is tightly connected with the outer surface of the protective sleeve; the combination surface of the protective sleeve is composed of two parts, the middle part is a closed seam, and the closed seam can help to judge whether the mounting and dismounting tool and the protective sleeve are successfully nested; the positioning groove is embedded in the outer surface of the positioning boss of the protective sleeve; the pressing rib joint surface is tightly contacted with the pressing rib; the tool and the protective sleeve can be tightly combined and rapidly positioned in the process of installation and disassembly, and rapid installation and disassembly are realized; a separation table is arranged on the joint surface of the protective sleeve, and is used for quickly separating the mounting and dismounting tool from the protective sleeve after the protective sleeve is mounted and dismounted; the handle connecting hole is connected with the handle, so that the handle is convenient to detach; the handle is arc-shaped and accords with ergonomics, so that the handle is convenient for workers to use, and the working efficiency is improved.
Preferably, the rubber rope is a rubber rope with a gradual change section, so that the tensile capacity of the rubber rope can be increased, and the stress concentration at the joint of the rubber rope and the protective sleeve can be reduced.
Preferably, the length of the rubber rope can be changed according to the bolt distance, so that the requirements of different bolt arrangement modes are met.
The installation and disassembly method of the complete device for preventing the bolt from falling comprises the following steps of:
1) Placing a protective sleeve of the anti-bolt falling device on the joint surface of the protective sleeve, placing a positioning boss on a positioning groove to enable the press-pull rib to be in close contact with the joint surface of the press-pull rib, and enabling a closing seam to assist in judging whether the mounting and dismounting tool and the protective sleeve are successfully nested or not, and finally mounting the anti-bolt falling device on two sides of a large hexagon high-strength bolt;
2) In the same way, in the disassembly process, the disassembly tool positioning groove is accurately aligned with the positioning boss of the bolt falling prevention device, so that the press-pull rib joint surface is in close contact with the press-pull rib, and finally, the disassembly is carried out, and when the protection sleeve is assembled and disassembled, the separation table is used for rapidly separating and assembling the disassembly tool and the protection sleeve.
The invention has the beneficial effects that: the invention effectively solves the problem of bolt falling, and the device has the advantages of simple structure, reasonable structural form, low manufacturing cost and the like. The matched installation and disassembly tool and the installation and disassembly method can effectively solve the difficulty of high-altitude operation of constructors, improve the construction efficiency, shorten the construction period, save the labor cost and reduce the manufacturing cost.
Drawings
FIG. 1 is a schematic view of a bolt fall arrest device of the present invention.
Fig. 2 is an overall plan view of the installation and removal tool of the present invention.
FIG. 3 is a schematic cross-sectional view of the installation and removal tool of the present invention;
FIG. 4 is a schematic cross-sectional view of a mounting and dismounting tool of the present invention;
FIG. 5 is a front view of FIG. 3;
FIG. 6 is a side view of FIG. 3;
FIG. 7 is a section a-a of FIG. 4;
fig. 8 is a section b-b of fig. 4.
Fig. 9 is a perspective view of the installation and removal tool of the present invention.
In the figure: 1-a protective sleeve; 2, pressing and pulling ribs; 3-positioning bosses; 4-a rubber rope; 5-a protective sleeve joint surface; 6, a handle connecting hole; 7, a positioning groove; 8-closing the seam; 9-pressing and pulling rib joint surfaces; 10-a separation table; 11-handle.
Detailed Description
The invention is further described below with reference to the drawings and the detailed description.
As shown in fig. 1 to 3. The complete device for preventing the bolt from falling comprises a bolt falling preventing device and an installing and detaching tool; the anti-bolt falling device is installed and fixed on the steel structure bolt and detached from the steel structure bolt through an installation and detachment tool;
the anti-bolt falling device comprises a protective sleeve 1, a pressing and pulling rib 2, a positioning boss 3 and a rubber rope 4; the protective sleeve 1 is made of ageing-resistant rubber, has high durability and long service life, avoids frequent replacement of an anti-falling device, and has the inner diameter of a large hexagon head shape which is matched with the shape of a large hexagon head high-strength bolt in the protective sleeve 1, so that enough holding force can be provided for the bolt; the inner diameter of the protective sleeve 1 is smaller than the outer diameter of the large hexagon high-strength bolt and is tightly combined with the large hexagon high-strength bolt; the top end and the bottom end of the outer surface of the protective sleeve 1 are provided with pressing and pulling ribs 2 for fixing, so that the protective sleeve can be quickly and accurately fixed on the joint surface of the installation tool, and quick installation is realized; the number of the protective sleeves 1 is multiple, and the adjacent protective sleeves are connected through the rubber rope 4, so that a plurality of bolts are connected, and the bolts are prevented from falling; the side surface of the protective sleeve 1 is provided with a positioning boss 3 at the lower part of the rubber rope 4 to assist in the installation and positioning of the protective sleeve 1;
the mounting and dismounting tool comprises a protective sleeve joint surface 5, a handle connecting hole 6, a positioning groove 7, a closing seam 8, a pressing and pulling rib joint surface 9, a separation table 10 and a handle 11; the protective sleeve joint surface 5 is tightly connected with the outer surface of the protective sleeve 1; the protective sleeve joint surface 5 is composed of two parts, the middle part is provided with a closing slit 8, and the closing slit 8 can help judge whether the mounting and dismounting tool and the protective sleeve are successfully nested; the positioning groove 7 is embedded in the outer surface of the positioning boss 3 of the protective sleeve 1; the pressing and pulling rib joint surface 9 is tightly contacted with the pressing and pulling rib 2; the tool and the protective sleeve can be tightly combined and rapidly positioned in the process of installation and disassembly, and rapid installation and disassembly are realized; a separation table 10 is arranged on the protective sleeve joint surface 5, and is used for quickly separating the installation and disassembly tool from the protective sleeve after the installation and disassembly of the protective sleeve are completed; the handle connecting hole 6 is connected with the handle 11, so that the handle 11 is convenient to detach; the handle 11 is arc-shaped and accords with human engineering, so that the use of workers is facilitated, and the working efficiency is improved.
The rubber rope 4 is a rubber rope with a gradual change section, so that the tensile capacity of the rubber rope can be increased, and the stress concentration at the joint of the rubber rope and the protective sleeve can be reduced. The length of the rubber rope 4 can be changed according to the bolt distance, and the requirements of different bolt arrangement modes are met.
The installation and disassembly method of the complete device for preventing the bolt from falling comprises the following steps of:
the anti-falling rubber protective sleeve of the corresponding type is placed at the joint surface 5 of the protective sleeve, the positioning boss 3 is placed at the positioning groove 7, the width of the positioning boss is set to be 6.5mm, and the depth is 12mm. The pressing rib 2 is tightly contacted with the pressing rib joint surface 9, then the pressing rib is aligned with the positions of the high-strength bolts, nuts and nuts of corresponding types, the pressing rib joint surface is pushed for a distance of 23-25 mm, and finally the device is installed on two sides of the high-strength bolts, nuts and nuts of large hexagon heads and is close to the connecting plate. In the same way, in the disassembly process, the disassembly tool positioning groove 7 is accurately aligned with the positioning boss 3 of the device, so that the press-drawing rib joint surface 9 is in close contact with the press-drawing rib 2, and finally, the disassembly is carried out, and when the protection sleeve is assembled and disassembled, the separation table is used for rapidly separating and assembling the disassembly tool and the protection sleeve.
The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. Many variations, modifications, substitutions and alterations to these embodiments are possible within the scope of the principles and spirit of the invention.
Claims (2)
1. The utility model provides a complete set device that bolt falls is prevented which characterized in that: the device comprises a bolt falling prevention device and an installation and disassembly tool; the anti-bolt falling device is installed and fixed on the steel structure bolt and detached from the steel structure bolt through an installation and detachment tool;
the anti-bolt falling device comprises a protective sleeve, a pressing and pulling rib, a positioning boss and a rubber rope;
the protective sleeve is made of ageing-resistant rubber, the inner diameter of the protective sleeve is in a large hexagon head shape, the shape is matched with the shape of a large hexagon head high-strength bolt in the protective sleeve, and the inner diameter size of the protective sleeve is smaller than the outer diameter size of the large hexagon head high-strength bolt and is tightly combined with the large hexagon head high-strength bolt;
the top end and the bottom end of the outer surface of the protective sleeve are provided with pressing and pulling ribs for fixing; the number of the protective sleeves is multiple, and adjacent protective sleeves are connected through rubber ropes; the side surface of the protective sleeve is provided with a positioning boss at the lower part of the rubber rope;
the mounting and dismounting tool comprises a protective sleeve joint surface, a handle connecting hole, a positioning groove, a closing seam, a pressing and pulling rib joint surface, a separation table and a handle; the combination surface of the protective sleeve is tightly connected with the outer surface of the protective sleeve; the combination surface of the protective sleeve is composed of two parts, the middle part is a closed seam, and the positioning groove is embedded in the outer surface of the positioning boss of the protective sleeve; the pressing rib joint surface is tightly contacted with the pressing rib; a separation table is arranged on the joint surface of the protective sleeve; the handle connecting hole is connected with the handle, and the handle is arc-shaped;
the rubber rope is a rubber rope with a gradual change section;
the rubber rope changes length according to the bolt spacing.
2. The method for installing and removing a bolt-falling preventive kit according to claim 1, wherein: the method comprises the following steps:
1) Placing a protective sleeve of the anti-bolt falling device on the joint surface of the protective sleeve, placing a positioning boss on a positioning groove to enable the press-pull rib to be in close contact with the joint surface of the press-pull rib, and enabling a closing seam to assist in judging whether the mounting and dismounting tool and the protective sleeve are successfully nested or not, and finally mounting the anti-bolt falling device on two sides of a large hexagon high-strength bolt;
2) In the same way, in the disassembly process, the disassembly tool positioning groove is accurately aligned with the positioning boss of the bolt falling prevention device, so that the press-pull rib joint surface is in close contact with the press-pull rib, and finally, the disassembly is carried out, and when the protection sleeve is assembled and disassembled, the separation table is used for rapidly separating and assembling the disassembly tool and the protection sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911199894.0A CN110762107B (en) | 2019-11-29 | 2019-11-29 | Complete device for preventing bolt from falling and mounting and dismounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911199894.0A CN110762107B (en) | 2019-11-29 | 2019-11-29 | Complete device for preventing bolt from falling and mounting and dismounting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110762107A CN110762107A (en) | 2020-02-07 |
| CN110762107B true CN110762107B (en) | 2023-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911199894.0A Active CN110762107B (en) | 2019-11-29 | 2019-11-29 | Complete device for preventing bolt from falling and mounting and dismounting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110762107B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04129915U (en) * | 1991-05-24 | 1992-11-30 | 石川島播磨重工業株式会社 | Bolt/nut fall prevention device |
| JPH10184652A (en) * | 1996-12-25 | 1998-07-14 | Nitta Ind Corp | Fall preventing member and method thereof |
| JP2003247523A (en) * | 2002-02-27 | 2003-09-05 | Nitta Ind Corp | Member for fall prevention |
| JP2007298049A (en) * | 2006-02-02 | 2007-11-15 | Cosmo Koki Co Ltd | Joint body |
| CN201077053Y (en) * | 2007-07-13 | 2008-06-25 | 襄樊学院 | Hydraulic clamp for mounting anti-theft screw cap protecting hood |
| JP2012143023A (en) * | 2010-12-28 | 2012-07-26 | Chugoku Electric Power Co Inc:The | Tip tool for removing nut stopping cap and work tool for indirect live wire |
| CN204175772U (en) * | 2014-10-31 | 2015-02-25 | 江苏省交通科学研究院股份有限公司 | Bolt anti-drop device |
| JP5897669B1 (en) * | 2014-09-05 | 2016-03-30 | 中国電力株式会社 | Nut drop prevention cap attachment / detachment tip and nut removal prevention cap attachment / detachment tool |
| CN106926186A (en) * | 2017-03-15 | 2017-07-07 | 国网安徽省电力公司阜阳供电公司 | Tiny parts for narrow space pick up pawl |
| CN109277983A (en) * | 2018-11-22 | 2019-01-29 | 河南中烟工业有限责任公司 | A kind of multi-purpose bearing extractor |
| CN211525307U (en) * | 2019-11-29 | 2020-09-18 | 南京工业大学 | Complete device for preventing bolt from falling |
-
2019
- 2019-11-29 CN CN201911199894.0A patent/CN110762107B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04129915U (en) * | 1991-05-24 | 1992-11-30 | 石川島播磨重工業株式会社 | Bolt/nut fall prevention device |
| JPH10184652A (en) * | 1996-12-25 | 1998-07-14 | Nitta Ind Corp | Fall preventing member and method thereof |
| JP2003247523A (en) * | 2002-02-27 | 2003-09-05 | Nitta Ind Corp | Member for fall prevention |
| JP2007298049A (en) * | 2006-02-02 | 2007-11-15 | Cosmo Koki Co Ltd | Joint body |
| CN201077053Y (en) * | 2007-07-13 | 2008-06-25 | 襄樊学院 | Hydraulic clamp for mounting anti-theft screw cap protecting hood |
| JP2012143023A (en) * | 2010-12-28 | 2012-07-26 | Chugoku Electric Power Co Inc:The | Tip tool for removing nut stopping cap and work tool for indirect live wire |
| JP5897669B1 (en) * | 2014-09-05 | 2016-03-30 | 中国電力株式会社 | Nut drop prevention cap attachment / detachment tip and nut removal prevention cap attachment / detachment tool |
| CN204175772U (en) * | 2014-10-31 | 2015-02-25 | 江苏省交通科学研究院股份有限公司 | Bolt anti-drop device |
| CN106926186A (en) * | 2017-03-15 | 2017-07-07 | 国网安徽省电力公司阜阳供电公司 | Tiny parts for narrow space pick up pawl |
| CN109277983A (en) * | 2018-11-22 | 2019-01-29 | 河南中烟工业有限责任公司 | A kind of multi-purpose bearing extractor |
| CN211525307U (en) * | 2019-11-29 | 2020-09-18 | 南京工业大学 | Complete device for preventing bolt from falling |
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| Publication number | Publication date |
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| CN110762107A (en) | 2020-02-07 |
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