CN101806322A - Anti-loosing and antitheft device for bolt and nut - Google Patents
Anti-loosing and antitheft device for bolt and nut Download PDFInfo
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- CN101806322A CN101806322A CN 201010139952 CN201010139952A CN101806322A CN 101806322 A CN101806322 A CN 101806322A CN 201010139952 CN201010139952 CN 201010139952 CN 201010139952 A CN201010139952 A CN 201010139952A CN 101806322 A CN101806322 A CN 101806322A
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- loosing
- antitheft device
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Abstract
The invention belongs to the technical field of the protection of railway vehicle fasteners and particularly relates to an anti-loosing and antitheft device for a bolt and a nut. The anti-loosing and antitheft device for the bolt and the nut solves the problem that the fastening and protection of the bolt and the nut of the conventional railway vehicle cannot be performed simultaneously. The anti-loosing and antitheft device for the bolt and the nut comprises a U-shaped plate consisting of two straight segments and a connecting segment, wherein the two straight segments are configured to be vertical to the central axis lines of the protected bolt and nut; the end part of one straight segment is provided with an inner hexagonal sleeve, and the end part of the other straight segment is provided with a semi-round ring; the central axis lines of the inner hexagonal sleeve and the semi-round ring are coaxial with or parallel to those of the bolt and the nut; the upper part of the semi-round ring is fixed with a check wafer; a through hole is formed on the check wafer; and the circle centre of the through hole and the central axis line of the inner hexagonal sleeve are positioned on the same straight line. The anti-loosing and antitheft device for the bolt and the nut has the following advantages of loosing prevention, burglar prevention, high practicability, integrated structure, convenient use, reusability, simple structure, light weight, low cost, certain universal property, applicability in train connecting parts and capability of effectively improving the running safety of the railway vehicle.
Description
Technical field
The invention belongs to the technical field of railway vehicle, be specifically related to a kind of anti-loosing and antitheft device for bolt and nut with the fastening piece protection.
Background technique
A large amount of bolt and nut couplings is arranged on the railway vehicle, because vehicle serious vibration in the middle of operation, bolt and nut is easy to loosening losing, and causes coupled accessory to come off.In addition, railway vehicle is in the middle of operation, and it is also very serious that accessory is stolen phenomenon, and accessory comes off, loses and can bring serious hidden danger to traffic safety.
Loosening for preventing the fastening back of bolt and nut, existing mode commonly used is that nut is lived in the fastening back spot welding of bolt and nut, but the problem of bringing is to be inconvenient to overhaul accessory.
Also having a kind of connecting mode commonly used on the railway vehicle is to adopt bolt and nut to add cotter pin, can prevent that nut from coming off under the prerequisite that cotter pin exists, but almost not have locking effect more do not have antitheft effect.
In recent years, also adopt rivet to replace a part of bolt and nut on the railway vehicle, the operating space that rivet needs is bigger, and cost is higher, is difficult for maintenance, brings very big restriction to application.
Summary of the invention
The present invention provides a kind of anti-loosing and antitheft device for bolt and nut in order to solve the fastening problem that can not take into account with protection of existing railway vehicle bolt and nut.
The present invention adopts following technological scheme to realize:
A kind of anti-loosing and antitheft device for bolt and nut; it is characterized in that it comprises the U-shaped plate; the U-shaped plate is made of the linkage section between two straight sections and two straight sections; two straight sections are perpendicular to the central axis setting of the bolt and nut of being protected; the end of one straight section is provided with interior hexagonal sleeve pipe; the end of another straight section is provided with semicircular ring; the central axis of interior hexagonal sleeve pipe and semicircular ring is coaxial or parallel with the central axis of bolt and nut; semicircular ring top is fixed with check washer; have through hole on the check washer, the central axis of the center of circle of through hole and interior hexagonal sleeve pipe is on same straight line.The height of semicircular ring is higher than the bolt head of protection in it or the thickness of nut.
The present invention has following beneficial effect:
1, have locking and antitheft dual functions, practical.
2, each assembly assembly welding is an integral structure, and it is convenient to use, and still can reuse after the dismounting of use special tool.
3, simple in structure, weight is light (generally being no more than 0.4kg), and cost is lower, has certain versatility (bolt at same specification all is suitable for basically).
4, can be applicable on the coupling of reliable bolton, be particularly useful on the railway vehicle coupling, can effectively improve the traffic safety of railway vehicle.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the plan view of Fig. 1
Fig. 3 is that the A of Fig. 1 is to schematic representation
Among the figure: hexagonal sleeve pipe in the 1-, 2-check washer, 3-semicircular ring, 4-U shape plate, 4.1-straight section, 4.2-linkage section.
Embodiment
The invention will be further described in conjunction with the accompanying drawings.
As Fig. 1, Fig. 2, shown in Figure 3, form by interior hexagonal sleeve pipe 1, U-shaped plate 4, semicircular ring 3 and check washer 2 assembly weldings.U-shaped plate 4 is made of the linkage section 4.2 between two straight sections 4.1 and two straight sections 4.1; two straight sections 4.1 are perpendicular to the central axis setting of the bolt and nut of being protected; the end of one straight section is provided with interior hexagonal sleeve pipe 1; the end of another straight section is provided with semicircular ring 3; the central axis of interior hexagonal sleeve pipe 1 and semicircular ring 3 is coaxial or parallel with the central axis of bolt and nut; semicircular ring 3 tops are fixed with check washer 2; have through hole on the check washer 2, the central axis of the center of circle of through hole and interior hexagonal sleeve pipe 1 is on same straight line.The specification of the bolt and nut that the interior hexagonal of interior hexagonal sleeve pipe 1 and the internal diameter correspondence of semicircular ring are protected and setting, the bolt and nut of same specification all is suitable for.
When using, nut (or bolt head) should be put into hexagonal sleeve pipe 1, bolt (or nut) penetrates in semicircular ring 3, use special spanner clamping bolt head (or nut), fastening finishing provoked the side that is close to bolt head (or nut) to the outer end of check washer 2, makes the bolt (or nut) can't rotation, nut (or bolt head) is because also can't rotation in the hexagonal sleeve pipe 1 in being stuck in, and this device has just played good locking effect like this.The present invention's use of also can turning upside down.
Because semicircular ring 3 protected bolt head (or nut), common wrench is not owing to there is the operating space, can't the demounting bolt nut, must use special spanner, so this device has very practical theftproof performance.
When a side of coupled has two bolts and spacing less, also can adopt the duplex anti-loosing and antitheft device for bolt and nut, only need a U-shaped plate, its working principle and single anti-loosing and antitheft device for bolt and nut are basic identical.
Claims (2)
1. anti-loosing and antitheft device for bolt and nut; it is characterized in that it comprises U-shaped plate (4); U-shaped plate (4) is made of the linkage section (4.2) between two straight sections (4.1) and two straight sections (4.1); two straight sections (4.1) are perpendicular to the central axis setting of the bolt and nut of being protected; the end of one straight section is provided with interior hexagonal sleeve pipe (1); the end of another straight section is provided with semicircular ring (3); the central axis of interior hexagonal sleeve pipe (1) and semicircular ring (3) is coaxial or parallel with the central axis of bolt and nut; semicircular ring (3) top is fixed with check washer (2); check washer has through hole on (2), and the central axis of the center of circle of through hole and interior hexagonal sleeve pipe (1) is on same straight line.
2. anti-loosing and antitheft device for bolt and nut according to claim 1 is characterized in that the height of semicircular ring (3) is higher than the bolt head of protection in it or the thickness of nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101399523A CN101806322B (en) | 2010-04-02 | 2010-04-02 | Anti-loosing and antitheft device for bolt and nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101399523A CN101806322B (en) | 2010-04-02 | 2010-04-02 | Anti-loosing and antitheft device for bolt and nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101806322A true CN101806322A (en) | 2010-08-18 |
| CN101806322B CN101806322B (en) | 2011-10-05 |
Family
ID=42608237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101399523A Active CN101806322B (en) | 2010-04-02 | 2010-04-02 | Anti-loosing and antitheft device for bolt and nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101806322B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017181377A1 (en) * | 2016-04-20 | 2017-10-26 | 纪培民 | Anti-loosening rail fastening device |
| CN109098274A (en) * | 2018-09-30 | 2018-12-28 | 田东县文设芒果专业合作社 | Mango orchard intelligence sightseeing experiencing system |
| CN112682414A (en) * | 2020-11-20 | 2021-04-20 | 中国航发哈尔滨东安发动机有限公司 | Locking plate, locking structure and mounting method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2549248Y (en) * | 2002-05-14 | 2003-05-07 | 杨永明 | Anti-theft device of fastener |
| JP2003156027A (en) * | 2001-11-19 | 2003-05-30 | Wise Gear:Kk | Tightening device |
| JP2005180028A (en) * | 2003-12-19 | 2005-07-07 | Yamato Trackwork System Co Ltd | Fastening bolt for adhesive insulating rail |
| CN2755163Y (en) * | 2004-10-27 | 2006-02-01 | 武汉钢铁(集团)公司 | Safety railway connector |
| JP2007211864A (en) * | 2006-02-08 | 2007-08-23 | Sumitomo Metal Ind Ltd | Retaining ring and fastening structure of brake disc for railroad |
| CN201391529Y (en) * | 2008-11-19 | 2010-01-27 | 河南省电力公司新乡供电公司 | Tool for bolt dismantlement prevention and screwing |
| CN201615126U (en) * | 2010-04-02 | 2010-10-27 | 太原轨道交通装备有限责任公司 | Bolt and nut anti-loosening and anti-theft device |
-
2010
- 2010-04-02 CN CN2010101399523A patent/CN101806322B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003156027A (en) * | 2001-11-19 | 2003-05-30 | Wise Gear:Kk | Tightening device |
| CN2549248Y (en) * | 2002-05-14 | 2003-05-07 | 杨永明 | Anti-theft device of fastener |
| JP2005180028A (en) * | 2003-12-19 | 2005-07-07 | Yamato Trackwork System Co Ltd | Fastening bolt for adhesive insulating rail |
| CN2755163Y (en) * | 2004-10-27 | 2006-02-01 | 武汉钢铁(集团)公司 | Safety railway connector |
| JP2007211864A (en) * | 2006-02-08 | 2007-08-23 | Sumitomo Metal Ind Ltd | Retaining ring and fastening structure of brake disc for railroad |
| CN201391529Y (en) * | 2008-11-19 | 2010-01-27 | 河南省电力公司新乡供电公司 | Tool for bolt dismantlement prevention and screwing |
| CN201615126U (en) * | 2010-04-02 | 2010-10-27 | 太原轨道交通装备有限责任公司 | Bolt and nut anti-loosening and anti-theft device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017181377A1 (en) * | 2016-04-20 | 2017-10-26 | 纪培民 | Anti-loosening rail fastening device |
| CN109098274A (en) * | 2018-09-30 | 2018-12-28 | 田东县文设芒果专业合作社 | Mango orchard intelligence sightseeing experiencing system |
| CN112682414A (en) * | 2020-11-20 | 2021-04-20 | 中国航发哈尔滨东安发动机有限公司 | Locking plate, locking structure and mounting method |
| CN112682414B (en) * | 2020-11-20 | 2022-11-08 | 中国航发哈尔滨东安发动机有限公司 | Locking structure and mounting method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101806322B (en) | 2011-10-05 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 030024 No. 129 Xinghua West Street, Wan Berlin District, Shanxi, Taiyuan Patentee after: CRRC TAIYUAN CO., LTD. Address before: 030009 No. 10 Jiefang North Road, Shanxi, Taiyuan Patentee before: Taiyuan Rail Traffic Equipment Co., Ltd. |