CN202424092U - Cable protecting clamp base for preventing vibration-caused damage to intermediate connection and terminal - Google Patents
Cable protecting clamp base for preventing vibration-caused damage to intermediate connection and terminal Download PDFInfo
- Publication number
- CN202424092U CN202424092U CN2011205672454U CN201120567245U CN202424092U CN 202424092 U CN202424092 U CN 202424092U CN 2011205672454 U CN2011205672454 U CN 2011205672454U CN 201120567245 U CN201120567245 U CN 201120567245U CN 202424092 U CN202424092 U CN 202424092U
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- China
- Prior art keywords
- cable
- gland
- bearing
- terminal
- cable protection
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
A cable protecting clamp base for preventing vibration-caused damage to intermediate connection and a terminal belongs to the field of cable accessories. The cable protecting clamp base comprises a supporting base which is connected with a fixing point, and a gland, wherein an inner hole is formed between the supporting base and the gland; the supporting base is in pin-type connection with one end of the gland; the supporting base is in bolt-type connection with the other end of the gland; threads in threaded holes of the supporting base and the gland are intermittent threads, that is, the threads are arranged intermittently. In the using process of a cable, the loose, detachment and damage of an intermediate cable connecting body, or a cable wiring terminal or a cable fixing device due to vibration and energy transfer can be effectively prevented; and the cable protecting clamp base is simple in structure and reliable in safety performance.
Description
Technical field
The utility model belongs to the electric cable accessories field, relates to a kind of cable protection holder, refers in particular to a kind of cable protection holder that causes middle connection and terminal to be damaged that prevents to shake.
Background technology
Existing electric wire, particularly ac power cable, in running because the magnetic field that electric current produces changes with external magnetic field, perhaps because with the effect of external world's resonance, can stage of development property, the power vibrations and the NE BY ENERGY TRANSFER that do not wait.Because this vibrations and transmission can make cable intermediate connector or cable connecting terminal or fixture become flexible, break away from even damage, and cause the generation of great electric power accident.At present, most widely used cable is fixing to be formed by connecting through bolt on bearing and gland with holder, and the material of bearing and gland often is PP or nylon-type duroplasts.This holder can only play simple fixation, can't prevent to shake the damage that causes 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, and the bearing gland that is connected with bearing, bearing are linked as whole single pedestal by three and constitute, and are equipped with the first cable holding tank on each single pedestal; Said bearing gland is linked as whole single gland by three and constitutes, and each single basic gland is equipped with the second cable holding tank, the first cable holding tank and the corresponding formation cable of second cable holding tank clamping annular groove.These anchor clamps adopt one group of three-phase, and the three-phase group realization integral retaining to cable helps cable simultaneously and in the tunnel, realizes being circular layout, and it is fixed on the tunnel wall or with steel loop along circumference and is connected, and can at circumferencial direction cable be clamped preferably.It is simple in structure, and clamping is easy to operate, realizes gripping in the tunnel inner cable of being circular layout.The patented product has solved the convenience of annular cabling, and deficiency is to fail to discern near the elimination of fixture to shaking of middle connection of cable and terminal.
Chinese patent 200510099576 is a kind of end fittings that are used for fixing cable; It is used for input or output motion with respect to a fixed body transfers to or spread out of in a movable body; Said end fitting has one and the isolated fulcrum part of a buckle part; Said fulcrum part can allow said end fitting around said fulcrum partial rotation with a fulcrum regions engaged of said fixed body; Thereby said buckle part is rotatably engaged with the buckle zone of said fixed body, thus said cable is fixed to said 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 a buckle-type, but the elimination that does not solve cable shaking force and NE BY ENERGY TRANSFER thereof.
Summary of the invention
The utility model is just in order to overcome above-mentioned deficiency; A kind of improved cable protection holder is provided; Prevented when the cable heavy-duty service deficiency that vibrations, the resonance that causes owing to the vibrations of laying path, fixed object or other cables causes connecting in the middle of the cable, the terminal connects is loosening, break away from and even damage.Main innovation is to form the bearing and the gland of holder, and an end adopts the pin formula to connect to realize renovating rotation, and the other end is the bolt connection, and the screw thread in the screwed hole is the partition-type screw thread, and promptly section is provided with between screw thread, and is only suitable fastening after the bolt precession, can't move back by pine.Specifically be to implement like this: a kind ofly prevent to shake the cable protection holder that connects in the middle of causing with the terminal damage; Comprise the bearing, the gland that are connected with fixing point; Form an endoporus between bearing and gland, it is characterized in that bearing is connected for the pin formula with an end of gland, the other end is that bolt connects; Screw thread in the screwed hole of said bearing and gland is the partition-type screw thread, promptly screw thread be between section be provided with.This non magnetic irreversible bolt can only advance and can not move back, and can guarantee the fixation stability property of cable in the middle of vibrations.
Bearing of the utility model and gland are made by modified, weather resisting heat curing-type polyurethane material, can eliminate the transmission of vibrations, shake energy.
The utility model is provided with the weather-proof heat curing-type polyurethane material of modification cushion collar in the endoporus of bearing and gland formation, move axially the destruction to device with counteracting vibrations, cable.
Be connected with copper damper between the bearing of the utility model and fixing point (for example metope etc.); Replace setscrew with copper damper, can eliminate the destruction of vibrations, eliminate the transmission of cable vibrations bearing; Be implemented in the central damping of vibrations, effectively avoid inductive reaction.
This holder can use in any part of cable and make fastener; In the actual use, consider cost factor, especially be fit to be applied in cable termination and be connected on the position at two ends with middle; During installation; This holder is L with cable termination or the middle support interval that is connected two ends, and to guarantee the strain of cable shaking force less than the sheath material maximum permissible value, described L is:
L<[л*(E*G/>W)1/2/2f]1/2
In the formula:
F is extraneous vibration frequency
E is resistance=1.1 * 107gcm2
G is acceleration of gravity=9.8m/s2
W is a cable weight.
The utility model has effectively prevented cable in use, because of vibrations and NE BY ENERGY TRANSFER make cable intermediate connector or cable connecting terminal or fixture loosening, break away from, damage, simple in structure, security performance is reliable.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
A kind ofly prevent to shake the cable protection holder that connects in the middle of causing with the terminal damage; Comprise the bearing 3, the gland 6 that are connected with fixing point, be connected with copper damper 5 between bearing 3 and fixing point that bearing 3 is made by modified, weather resisting heat curing-type polyurethane material with gland 6; 6 on bearing 3 and gland form an endoporus 1; The weather-proof heat curing-type polyurethane material of one modification cushion collar 2 is set in the endoporus 1, and bearing 3 is connected for the pin formula with an end of gland 6, and the other end is that bolt 4 connects; Screw thread in the screwed hole of said bearing 3 and gland 6 is the partition-type screw thread, promptly screw thread be between section be provided with.
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 the formula:
F is extraneous vibration frequency
E is resistance=1.1 * 107gcm2
G is acceleration of gravity=9.8m/s2
W is a cable weight.
Claims (5)
1. one kind prevents to shake the cable protection holder that causes middle connection and terminal to be damaged; Comprise the bearing, the gland that are connected with fixing point; Form an endoporus between bearing and gland, it is characterized in that bearing is connected for the pin formula with an end of gland, the other end is that bolt connects; Screw thread in the screwed hole of said bearing and gland is the partition-type screw thread, promptly screw thread be between section be provided with.
2. cable protection holder according to claim 1 is characterized in that bearing and gland made by modified, weather resisting heat curing-type polyurethane material.
3. cable protection holder according to claim 1 and 2 is characterized in that in the endoporus that bearing and gland form the weather-proof heat curing-type polyurethane material of modification cushion collar being set.
4. cable protection holder according to claim 1 is characterized in that being connected with copper damper between bearing and fixing point.
5. cable protection holder according to claim 1 when it is characterized in that holder is installed, is L with cable termination or the middle support interval that is connected two ends, and described L is:
L<[л*(E*G/>W)1/2/2f]1/2
In the formula:
F is extraneous vibration frequency
E is resistance=1.1 * 107gcm2
G is acceleration of gravity=9.8m/s2
W is a cable weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205672454U CN202424092U (en) | 2011-12-30 | 2011-12-30 | Cable protecting clamp base for preventing vibration-caused damage to intermediate connection and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205672454U CN202424092U (en) | 2011-12-30 | 2011-12-30 | Cable protecting clamp base for preventing vibration-caused damage to intermediate connection and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202424092U true CN202424092U (en) | 2012-09-05 |
Family
ID=46748818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205672454U Expired - Lifetime CN202424092U (en) | 2011-12-30 | 2011-12-30 | Cable protecting clamp base for preventing vibration-caused damage to intermediate connection and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202424092U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420411A (en) * | 2011-12-30 | 2012-04-18 | 江苏新远程电缆股份有限公司 | Cable protection clamping seat for preventing damage caused by vibration to middle connection and terminal |
-
2011
- 2011-12-30 CN CN2011205672454U patent/CN202424092U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102420411A (en) * | 2011-12-30 | 2012-04-18 | 江苏新远程电缆股份有限公司 | Cable protection clamping seat for preventing damage caused by vibration to middle connection and terminal |
| CN102420411B (en) * | 2011-12-30 | 2014-06-25 | 远程电缆股份有限公司 | Cable protection clamping seat for preventing damage caused by vibration to middle connection and terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| 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: YuanCheng Cable Co., Ltd. Address before: 214251 Yixing City, Wuxi Province, Lin Guan Road, No. 8, No. Patentee before: Jiangsu New Remote Cable Co., Ltd. |
|
| 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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |
|
| CX01 | Expiry of patent term |