CN110762107A - Complete technology for preventing bolt from falling and mounting and dismounting method - Google Patents
Complete technology for preventing bolt from falling and mounting and dismounting method Download PDFInfo
- Publication number
- CN110762107A CN110762107A CN201911199894.0A CN201911199894A CN110762107A CN 110762107 A CN110762107 A CN 110762107A CN 201911199894 A CN201911199894 A CN 201911199894A CN 110762107 A CN110762107 A CN 110762107A
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- protective sleeve
- bolt
- pressing
- falling
- mounting
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005516 engineering process Methods 0.000 title claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims abstract description 76
- 238000003825 pressing Methods 0.000 claims abstract description 34
- 230000002265 prevention Effects 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 230000032683 aging Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 4
- 230000003712 anti-aging effect Effects 0.000 abstract 1
- 239000013013 elastic material Substances 0.000 abstract 1
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 4
- 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
- 230000018109 developmental process 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
Images
Classifications
-
- 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 a bolt from falling and an installation and disassembly method, wherein the complete technology comprises a bolt falling prevention protective sleeve made of anti-aging rubber, an installation and disassembly tool matched with the protective sleeve for use, and a device installation and disassembly method. The rubber protective sleeve is fixed on the high-strength bolt and is connected with the high-strength bolt through the rubber rope, and the protective sleeve is restrained to form an integral structure through elastic materials, so that the purpose of preventing the bolt from falling is achieved, and safety accidents are avoided. The mounting tool is provided with the positioning groove and the pressing and pulling rib, so that the protective sleeve can be quickly and accurately fixed to the joint surface of the mounting tool, and the purpose of quick mounting is realized; the mounting tool adopts a scissor-like design, and the length of a handle of the mounting tool solves the space limitation during high-altitude construction. The invention has the characteristics of good durability, simple installation and operation, high use reliability and the like, improves the bolt overhauling 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 technology for preventing bolts from falling, and specifically relates to a complete set of technology comprising a bolt falling prevention device, a matched mounting tool and a mounting and dismounting method. The safety protection technology is applied to high-strength bolts of steel structure bolt connection nodes and prevents the high-strength bolts from falling after being broken or loosened.
Background
With the wide application of steel bridges, particularly steel trusses, which are connected by bolts in domestic high-speed railway bridges and highway bridges, the falling diseases of high-strength bolts are more and more, the driving safety is seriously influenced, great potential safety hazards are caused for the safe operation of the bridges, the life and property safety of people is threatened, no effective measures are available at present for avoiding 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 number of bolts related to one bridge is hundreds of thousands and millions, the control of labor cost and time cost is very critical, the mounting and dismounting speed and efficiency of the device are very critical, a mounting tool matched with the device needs to be researched and developed, a standard operation method and a standard operation flow are needed, and the operation of a mounting worker is facilitated. Aiming at the problems, the invention develops a whole set of technology comprising a bolt falling prevention device, a matched mounting tool and a mounting and dismounting method, and provides technical support for thoroughly solving the bolt falling diseases.
Disclosure of Invention
The invention aims to provide a complete set of bolt falling prevention technology and a mounting and dismounting method aiming at the current situation that the high-strength bolt falling damage modes of a connecting steel structure in the prior art are few.
The technical scheme adopted by the invention is as follows: a complete set of technology for preventing a bolt from falling comprises a bolt falling prevention device and an installation and disassembly tool; the bolt falling prevention device is fixedly arranged on the steel structure bolt and is detached from the steel structure bolt through an assembling and detaching tool;
the bolt falling prevention device comprises a protective sleeve, a pressing and pulling rib, a positioning boss and a rubber rope;
the protective sleeve is made of aging-resistant rubber, has high durability and long service life, avoids frequent replacement of the anti-drop device, has a large hexagonal head shape in the inner diameter, is matched with the large hexagonal head high-strength bolt in the protective sleeve in shape, 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 head high-strength bolt and is tightly combined with the large hexagon head high-strength bolt;
pressing and pulling ribs for fixing are arranged at the top end and the bottom end of the outer surface of the protective sleeve, so that the protective sleeve can be quickly and accurately fixed to a joint surface of an installation tool, and quick installation is realized;
the protective sleeves are multiple, and adjacent protective sleeves are connected through rubber ropes, so that multiple bolts are connected, and the bolts are prevented from falling;
a positioning boss is arranged on the side surface of the protective sleeve at the lower part of the rubber rope to assist in mounting and positioning the protective sleeve;
the mounting and dismounting tool comprises a protective sleeve joint surface, a handle connecting hole, a positioning groove, a closed seam, a pressing and pulling rib joint surface, a separation table and a handle; the protective sleeve joint surface is tightly connected with the outer surface of the protective sleeve; the protective sleeve joint surface consists of two parts, the middle part is a closed seam which can assist in judging 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 and pulling rib combining surface is tightly contacted with the lower side of the pressing and pulling rib; the tool and the protective sleeve can be tightly combined and quickly positioned in the mounting and dismounting process, and quick mounting and dismounting are realized; the protective sleeve joint surface is provided with a separation table which 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 disassemble; the handle is arc-shaped, meets the human engineering, is convenient for workers to use, and increases the working efficiency.
Preferably, the rubber rope is a rubber rope with a gradually-changed 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 is reduced.
Preferably, the length of the rubber rope can be changed according to the distance between the bolts, and the requirements of different bolt arrangement modes are met.
The installation and disassembly method for the complete set of technology for preventing the bolt from falling comprises the following steps:
1) placing a protective sleeve of the bolt falling prevention device at a protective sleeve joint surface, placing a positioning boss at a positioning groove, enabling a pressing and pulling rib to be in close contact with the pressing and pulling rib joint surface, closing a seam to assist in judging whether the mounting and dismounting tool is successfully nested with the protective sleeve or not, and finally mounting the bolt falling prevention device at two sides of a large hexagon head high-strength bolt;
2) similarly, in the dismounting process, the positioning groove of the dismounting tool and the positioning boss of the bolt falling prevention device are accurately aligned, so that the pressing and pulling rib combining surface is in close contact with the lower side of the pressing and pulling rib, the pressing and pulling rib is finally dismounted, and the separating table is used for quickly separating and mounting the dismounting tool and the protective sleeve after the protective sleeve is mounted and dismounted.
The invention has the beneficial effects that: the invention effectively solves the problem of bolt falling off, and the device has the advantages of simple structure, reasonable structural form, low manufacturing cost and the like. The matched mounting and dismounting tool and the mounting and dismounting 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 the bolt fall prevention 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 first cross-sectional view of the installation and removal tool of the present invention;
FIG. 4 is a schematic cross-sectional view II of the installation and removal 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 cross-sectional view taken along line a-a of FIG. 4;
fig. 8 is a cross-sectional view 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-protective sleeve; 2, pressing and pulling ribs; 3, positioning a boss; 4-rubber rope; 5, a protective sleeve joint surface; 6-handle connecting hole; 7-positioning grooves; 8, closing the seam; 9-pressing and pulling the rib combining surface; 10-a separating table; 11-a handle.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1-3. A complete set of technology for preventing a bolt from falling comprises a bolt falling prevention device and an installation and disassembly tool; the bolt falling prevention device is fixedly arranged on the steel structure bolt and is detached from the steel structure bolt through an assembling and detaching tool;
the bolt falling prevention 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 aging-resistant rubber, has high durability and long service life, avoids frequent replacement of an anti-drop 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 as to provide enough holding force for the bolt; the inner diameter of the protective sleeve 1 is smaller than the outer diameter of the large hexagon head high-strength bolt and is tightly combined with the large hexagon head high-strength bolt; pressing and pulling ribs 2 for fixing are arranged at the top end and the bottom end of the outer surface of the protective sleeve 1, so that the protective sleeve can be quickly and accurately fixed to a joint surface of an installation tool, and quick installation is realized; the protective sleeves 1 are multiple, and adjacent protective sleeves are connected through rubber ropes 4, so that multiple bolts are connected, and the bolts are prevented from falling; a positioning boss 3 is arranged on the lower part of the rubber rope 4 on the side surface of the protective sleeve 1 to assist 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 closed 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 consists of two parts, the middle part is a closed seam 8, and the closed seam 8 can assist in judging 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 combining surface 9 is tightly contacted with the lower side of the pressing and pulling rib 2; the tool and the protective sleeve can be tightly combined and quickly positioned in the mounting and dismounting process, and quick mounting and dismounting are realized; the protective sleeve joint surface 5 is provided with a separation table 10 which is used for quickly separating and mounting a dismounting tool from the protective sleeve after the protective sleeve is mounted and dismounted; the handle connecting hole 6 is connected with the handle 11, so that the handle 11 is convenient to disassemble; the handle 11 is arc-shaped, meets the human engineering, is convenient for workers to use, and increases the working efficiency.
The rubber rope 4 is a rubber rope with a gradually-changed 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 is reduced. The length of the rubber rope 4 can be changed according to the distance between the bolts, and the requirements of different bolt arrangement modes are met.
The installation and disassembly method for the complete set of technology for preventing the bolt from falling comprises the following steps:
and (3) placing the bolt falling prevention rubber protective sleeve with the corresponding type at the protective sleeve joint surface 5, and placing the positioning boss 3 at the positioning groove 7, wherein the width of the positioning boss is set to be 6.5mm, and the depth of the positioning boss is 12 mm. The pressing and pulling rib 2 is in close contact with the pressing and pulling rib joint surface 9, then the pressing and pulling rib is aligned to the positions of the high-strength bolt nut and the nut with the corresponding models, the distance of 23-25 mm is pushed, and finally the device is installed on the two sides of the high-strength bolt nut and the nut with the large hexagon head and is close to the connecting plate. Similarly, in the dismounting process, the positioning groove 7 of the dismounting tool and the positioning boss 3 of the device are accurately aligned, so that the pressing and pulling rib combining surface 9 is in close contact with the lower side of the pressing and pulling rib 2, and finally the pressing and pulling rib is dismounted.
The embodiments of the present invention are described in detail above with reference to the drawings, but the present invention is not limited to the described embodiments. It will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the spirit and scope of the invention.
Claims (4)
1. The utility model provides a prevent complete sets technique that bolt falls which characterized in that: comprises a bolt falling prevention device and an installation and disassembly tool; the bolt falling prevention device is fixedly arranged on the steel structure bolt and is detached from the steel structure bolt through an assembling and detaching tool;
the bolt falling prevention device comprises a protective sleeve, a pressing and pulling rib, a positioning boss and a rubber rope;
the protective sleeve is made of aging-resistant rubber, the inner diameter of the protective sleeve is in a large hexagon head shape, the shape of the protective sleeve is matched with that of a large hexagon head high-strength bolt in the protective sleeve, and the inner diameter of the protective sleeve is smaller than the outer diameter of the large hexagon head high-strength bolt and is tightly combined with the large hexagon head high-strength bolt;
pressing and pulling ribs for fixing are arranged at the top end and the bottom end of the outer surface of the protective sleeve; the protective sleeves are multiple, and adjacent protective sleeves are connected through rubber ropes; a positioning boss is arranged on the side surface of the protective sleeve 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 closed seam, a pressing and pulling rib joint surface, a separation table and a handle; the protective sleeve joint surface is tightly connected with the outer surface of the protective sleeve; the protective sleeve joint surface consists 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 and pulling rib combining surface is tightly contacted with the lower side of the pressing and pulling rib; a separation table is arranged on the joint surface of the protective sleeve; the handle connecting hole is connected with a handle, and the handle is arc-shaped.
2. The set of technologies for preventing a bolt from falling as claimed in claim 1, wherein: the rubber rope is a rubber rope with a gradually-changed section.
3. The set of technologies for preventing a bolt from falling as claimed in claim 1, wherein: the length of the rubber rope is changed according to the distance between the bolts.
4. The set of technical installation and disassembly methods for preventing bolt from falling as claimed in claim 1, 2 or 3, wherein: the method comprises the following steps:
1) placing a protective sleeve of the bolt falling prevention device at a protective sleeve joint surface, placing a positioning boss at a positioning groove, enabling a pressing and pulling rib to be in close contact with the pressing and pulling rib joint surface, closing a seam to assist in judging whether the mounting and dismounting tool is successfully nested with the protective sleeve or not, and finally mounting the bolt falling prevention device at two sides of a large hexagon head high-strength bolt;
2) similarly, in the dismounting process, the positioning groove of the dismounting tool and the positioning boss of the bolt falling prevention device are accurately aligned, so that the pressing and pulling rib combining surface is in close contact with the lower side of the pressing and pulling rib, the pressing and pulling rib is finally dismounted, and the separating table is used for quickly separating and mounting the dismounting tool and the protective sleeve after the protective sleeve is mounted and dismounted.
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 true CN110762107A (en) | 2020-02-07 |
| CN110762107B 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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| CN110762107B (en) | 2023-12-05 |
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