CN102420411B - Cable protection clamping seat for preventing damage caused by vibration to middle connection and terminal - Google Patents
Cable protection clamping seat for preventing damage caused by vibration to middle connection and terminal Download PDFInfo
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- CN102420411B CN102420411B CN201110454443.4A CN201110454443A CN102420411B CN 102420411 B CN102420411 B CN 102420411B CN 201110454443 A CN201110454443 A CN 201110454443A CN 102420411 B CN102420411 B CN 102420411B
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Abstract
The invention discloses a cable protection clamping seat for preventing damage caused by vibration to a middle connection and a terminal and belongs to the field of cable accessories. The cable protection clamping seat comprises a support which is connected with a fixed point, and a gland, wherein an inner hole is formed between the support and the gland; the support is connected with one end of the gland in a pin mode, and the support is connected with the other end of the gland in a bolt mode; screw threads in screw holes of the support and the gland are partitioned screw threads, namely the screw threads are formed segmentally; therefore, the loosening and separation of and damage, which are caused by vibration and energy transmission, to a cable middle connecting body, a cable wire connecting terminal or a fixing device can be effectively prevented during use of a cable; furthermore, the cable protection clamping seat has a simple structure and reliable safety.
Description
Technical field
The invention belongs to electric cable accessories field, relate to a kind of cable protection clamping seat, refer in particular to a kind of cable protection clamping seat that prevents that vibrations from causing middle connection and terminal to be damaged.
Background technology
Existing electric wire, particularly ac power cable, in running because the magnetic field that electric current produces and external magnetic field change, or because with the effect of external world resonance, can stage of development, strong and weak vibrations and energy transmission not etc.Due to this vibrations and transmission can make cable intermediate connector or cable connecting terminal or fixture loosening, depart from, even damage, cause the generation of great electric power accident.At present, most widely used cable is fixing to be bolted and to be formed by bearing and gland with holder, and the material of bearing and gland is often PP or nylon-type duroplasts.This holder can only play simple fixation, cannot prevent that vibrations from causing the damage of middle connection and terminal.
Chinese patent 200820191794 discloses a kind of electric cable with large cross-section tunnel cable stationary fixture, and it comprises bearing, the bearing gland being connected with bearing, and bearing is linked as overall single pedestal by three and forms, and is equipped with the first cable clamping groove on each single pedestal; Described bearing gland is linked as overall single gland by three and forms, and each single base gland is equipped with the second cable clamping groove, the first cable clamping groove and the corresponding formation cable clamping of the second cable clamping groove annular groove.This fixture adopts one group of three-phase, and the three-phase group of cable is realized to integral retaining, is conducive to cable simultaneously and realizes and being circular layout in tunnel, and it is fixed in tunnel wall or with steel loop and is connected along circumference, can at circumferencial direction, cable clamping be fixed preferably.It is simple in structure, clamp easy to operate, realize to the gripping in tunnel inner cable that be circular layout.The patented product has solved the convenience of annular cabling, deficiency be fail to identify connect in the middle of cable and terminal near fixture to the elimination shaking.
Chinese patent 200510099576 is a kind of end fittings for fixed cable, its for will input or output motion with respect to a fixed body transfers to or spread out of in a movable body, described end fitting has one and the isolated fulcrum part of a buckle part, described fulcrum part can engage and allow described end fitting around described fulcrum partial rotation with of a described fixed body fulcrum region, thereby described buckle part is rotatably engaged with the buckle region of described fixed body, thus described cable is fixed to described fixed body.The design of this buckle-type, can solve the fixing loosening possibility of cable and the convenience of replacing, and its loosening removing method is buckle-type, but does not solve the elimination of cable shaking force and energy transmission thereof.
Summary of the invention
The present invention is just in order to overcome above-mentioned deficiency; a kind of improved cable protection clamping seat is provided; prevent in the time of cable heavy-duty service, due to loosening, the deficiency that departs from and even damage of laying that vibrations, resonance that the vibrations of path, fixed object or other cables cause cause connecting in the middle of cable, terminal connects.Main innovation is to form bearing and the gland of holder, and one end adopts pin formula to connect to realize and renovates rotation, and the other end is that bolt connects, and the screw thread in screwed hole is partition-type screw thread, and between screw thread, section arranges, and when after bolt precession, is only suitable for fasteningly, cannot move back by pine.Specifically implement like this: a kind of cable protection clamping seat that prevents that vibrations from causing middle connection and terminal to be damaged; comprise the bearing, the gland that are connected with fixing point; between bearing and gland, form an endoporus; it is characterized in that bearing and one end of gland are that pin formula is connected; the other end is that bolt connects; screw thread in the screwed hole of described bearing and gland is partition-type screw thread, screw thread be between section arrange.This non magnetic irreversible bolt, can only enter and can not move back, and can guarantee the fixing stability of cable in the middle of vibrations.
Bearing of the present invention and gland are made by modified, weather resisting heat curing-type polyurethane material, can eliminate the transmission of vibrations, shake energy.
In the endoporus that the present invention forms at bearing and gland, a modified, weather resisting heat curing-type polyurethane material cushion collar is set, offsetting vibrations, cable moves axially the destruction to installing.
Such as, between bearing of the present invention and fixing point (metope etc.), be connected with copper damper, replace setscrew with copper damper, can eliminate the destruction of vibrations to bearing, eliminate the transmission of cable vibrations, realize the damping in the middle of vibrations, effectively avoid inductive reaction.
This holder can use in any part of cable and make fastener, in actual use procedure, consider cost factor, especially being applicable to being applied in cable termination is connected on the position at two ends with middle, when installation, this holder is L with cable termination or the middle support interval that is connected two ends, and to guarantee that the strain of cable shaking force is less than sheath material maximum permissible value, described L is:
L<[л*(E*G/W)1/2/2f]1/2
In formula:
F is extraneous vibration frequency
E is resistance=1.1 × 107gcm2
G is acceleration of gravity=9.8m/s2
W is cable weight.
The present invention has effectively prevented cable in use, because of vibrations and energy transmission make cable intermediate connector or cable connecting terminal or fixture loosening, depart from, damage, simple in structure, security performance is reliable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
A kind of cable protection clamping seat that prevents that vibrations from causing middle connection and terminal to be damaged, comprise the bearing 3 being connected with fixing point, gland 6, between bearing 3 and fixing point, be connected with copper damper 5, bearing 3 is made by modified, weather resisting heat curing-type polyurethane material with gland 6, between bearing 3 and gland 6, form an endoporus 1, one modified, weather resisting heat curing-type polyurethane material cushion collar 2 is set in endoporus 1, bearing 3 is that pin formula is connected with one end of gland 6, the other end is that bolt 4 connects, screw thread in the screwed hole of described bearing 3 and gland 6 is partition-type screw thread, be that between screw thread is, section arranges.
When holder is installed, be L with cable termination or the middle support interval that is connected two ends, described L is:
L<[л*(E*G/W)1/2/2f]1/2
In formula:
F is extraneous vibration frequency
E is resistance=1.1 × 107gcm2
G is acceleration of gravity=9.8m/s2
W is cable weight.
Claims (1)
1. a cable protection clamping seat installation method that prevents that vibrations from causing middle connection and terminal to be damaged, described holder comprises the bearing, the gland that are connected with fixing point, between bearing and gland, form an endoporus, it is characterized in that: bearing is that pin formula is connected with one end of gland, the other end is that bolt connects, screw thread in the screwed hole of described bearing and gland is partition-type screw thread, screw thread be between section arrange; Described bearing and gland are made by modified, weather resisting heat curing-type polyurethane material; In the endoporus that described bearing and gland form, a modified, weather resisting heat curing-type polyurethane material cushion collar is set; Between described bearing and fixing point, be connected with copper damper;
When described holder is installed, be L with cable termination or the middle support interval that is connected two ends, described L is:
L<[л*(E*G/W)1/2/2f]1/2
In formula:
F is extraneous vibration frequency;
E is resistance=1.1 × 107gcm
2;
G is acceleration of gravity=9.8m/s
2;
W is cable weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110454443.4A CN102420411B (en) | 2011-12-30 | 2011-12-30 | Cable protection clamping seat for preventing damage caused by vibration to middle connection and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110454443.4A CN102420411B (en) | 2011-12-30 | 2011-12-30 | Cable protection clamping seat for preventing damage caused by vibration to middle connection and terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102420411A CN102420411A (en) | 2012-04-18 |
| CN102420411B true CN102420411B (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110454443.4A Active CN102420411B (en) | 2011-12-30 | 2011-12-30 | Cable protection clamping seat for preventing damage caused by vibration to middle connection and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102420411B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557369A (en) * | 2013-07-26 | 2014-02-05 | 中国船舶重工集团公司第七一九研究所 | Marine cable overall-vibration-isolation support made of vulcanized rubber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1722540A (en) * | 2004-07-14 | 2006-01-18 | 科宁弗斯电子技术元件有限责任公司 | Electrical connector |
| CN201294361Y (en) * | 2008-10-30 | 2009-08-19 | 湖北省电力勘测设计院 | Fixture for fixing cable of large cross section cable tunnel |
| CN202082498U (en) * | 2011-06-13 | 2011-12-21 | 焦作市隆兴液塑机械有限责任公司 | Leakage cable installation fixing fixture |
| CN202424092U (en) * | 2011-12-30 | 2012-09-05 | 江苏新远程电缆股份有限公司 | Cable protecting clamp base for preventing vibration-caused damage to intermediate connection and terminal |
-
2011
- 2011-12-30 CN CN201110454443.4A patent/CN102420411B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1722540A (en) * | 2004-07-14 | 2006-01-18 | 科宁弗斯电子技术元件有限责任公司 | Electrical connector |
| CN201294361Y (en) * | 2008-10-30 | 2009-08-19 | 湖北省电力勘测设计院 | Fixture for fixing cable of large cross section cable tunnel |
| CN202082498U (en) * | 2011-06-13 | 2011-12-21 | 焦作市隆兴液塑机械有限责任公司 | Leakage cable installation fixing fixture |
| CN202424092U (en) * | 2011-12-30 | 2012-09-05 | 江苏新远程电缆股份有限公司 | Cable protecting clamp base for preventing vibration-caused damage to intermediate connection and terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102420411A (en) | 2012-04-18 |
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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 | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 214251 Yixing City, Wuxi Province, Lin Guan Road, No. 8, No. Applicant after: YuanCheng Cable Co., Ltd. Address before: 214251 Yixing City, Wuxi Province, Lin Guan Road, No. 8, No. Applicant before: Jiangsu New Remote Cable Co., Ltd. |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214251 Yixing City, Wuxi Province, Lin Guan Road, No. 8, No. Patentee after: Rui Kang Wen far cable Limited by Share Ltd Address before: 214251 Yixing City, Wuxi Province, Lin Guan Road, No. 8, No. Patentee before: YuanCheng Cable Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214251, No. 8, long road, Guan Lin Town, Yixing City, Jiangsu, Wuxi Patentee after: JIANGSU YUANCHENG CABLE Co.,Ltd. Address before: 214251, No. 8, long road, Guan Lin Town, Yixing City, Jiangsu, Wuxi Patentee before: RUIKANG WENYUAN CABLE Co.,Ltd. |