CN114400597A - High strength mould pressing crane span structure - Google Patents
High strength mould pressing crane span structure Download PDFInfo
- Publication number
- CN114400597A CN114400597A CN202210071530.XA CN202210071530A CN114400597A CN 114400597 A CN114400597 A CN 114400597A CN 202210071530 A CN202210071530 A CN 202210071530A CN 114400597 A CN114400597 A CN 114400597A
- Authority
- CN
- China
- Prior art keywords
- friction
- plate
- high strength
- connecting plate
- friction plates
- Prior art date
- 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.)
- Granted
Links
- 238000003825 pressing Methods 0.000 title claims description 3
- 238000009434 installation Methods 0.000 claims abstract description 32
- 238000013016 damping Methods 0.000 claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000007723 die pressing method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/30—Installations of cables or lines on walls, floors or ceilings
- H02G3/34—Installations of cables or lines on walls, floors or ceilings using separate protective tubing
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0487—Tubings, i.e. having a closed section with a non-circular cross-section
Abstract
The invention relates to the field of cable supports, and discloses a high-strength die-pressing bridge, which comprises a wiring box body, an installation box body and a connecting frame, wherein the wiring box body is fixedly connected with a ceiling through the connecting frame, a fixed seat is arranged in the wiring box body, a friction damping device is arranged on the fixed seat, the friction damping device comprises a plurality of friction plates which are tightly attached to each other, and the installation box body is fixed with at least one friction plate.
Description
Technical Field
The invention relates to the field of cable supports, in particular to a high-strength molded bridge.
Background
The cable is generally a rope-like cable formed by twisting several or several groups of wires, each group of wires is insulated from each other and usually twisted around a center, and the whole is covered with a highly insulating covering layer, and the cable includes a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, which are composed of single-strand or multi-strand wires and an insulating layer and are used for transmitting electricity and information.
In modern building, there is the suction pump, supporting facilities such as elevator and fire alarm equipment, all need the cable to come biography electricity or transmission information, the cable is when laying, need use cable support, current cable is many to be made by light steel material, among the prior art, the cable both ends receive the effect back of external force, the cable can produce a thrust to cable support, thereby make cable support produce vibrations, cause the damage to cable support very easily, very big potential safety hazard has, be unfavorable for city construction's long-term development.
The current cable bridge damping device generally carries out the damping between installation box and the wiring box like the spring through the elastic component to the spring damping piece to elastic potential energy is saved vibration energy, and under the environment of long-term vibration, the spring takes place tired phenomenon easily, and the spring makes its damping effect, and the unable effectual installation box of fixing of spring damping piece simultaneously.
Disclosure of Invention
Therefore, a high-strength die-pressing bridge is needed to be provided, and the problems that an existing cable bridge is weak in vibration reduction effect and potential safety hazards exist in bridge fixed installation are solved.
In order to achieve the purpose, the invention provides a high-strength die-pressing bridge frame which comprises a wiring box body, an installation box body and a connecting frame, wherein the wiring box body is fixedly connected with a ceiling through the connecting frame, a fixed seat is arranged in the wiring box body, a friction damping device is arranged on the fixed seat, the friction damping device comprises a plurality of friction plates which are tightly attached to each other, and the installation box body is fixed with at least one friction plate.
Further, a plurality of friction discs are stacked from top to bottom, be equipped with the rotary rod on the fixing base, the rotary rod runs through the friction disc, the top of rotary rod is equipped with tightening nut. The tightening nuts are used for adjusting the pressure among the friction plates, so that the friction force among the friction plates is adjusted.
Further, the friction damping device comprises a plurality of first friction plates and a plurality of second friction plates, the first friction plates and the second friction plates are arranged in a staggered and stacked mode, a connecting rod is fixed on the bottom face of the installation box body, the end portions of the first friction plates are fixed with the connecting rod, and the rotating rod penetrates through the first friction plates and the second friction plates. The friction disc is crisscross to be piled up the setting, and the gravity that installation box self was taken pushes down for first friction disc and second friction disc are hugged closely, and when the installation box was controlled under the drive of cable and is vibrated, carried out relative friction between a plurality of first friction discs and the second friction disc simultaneously, thereby reduce the transmission of vibration.
Further, the first friction plate is strip-shaped, the second friction plate is X-shaped, and the rotating rod penetrates through the center positions of the first friction plate and the second friction plate. When the first friction plate vibrates left and right due to the vibration of the cable, the larger the vibration amplitude is, the larger the contact area between the first friction plate and the second friction plate is, and the larger the friction dissipation is, so that the vibration can be effectively consumed.
Furthermore, the friction plate is circular, and the bottom surface of the installation box body is fixed with the top friction plate. The circular friction plates can enable the contact area between the friction plates to be as large as possible, and ensure that the vibration energy of the installation box body is dissipated as much as possible.
Furthermore, the friction coefficients of the surfaces of the friction plates are gradually increased from top to bottom.
The friction coefficient is gradually positive, the friction force is larger, the vibration energy capable of being dissipated is more, and the mode of gradually increasing from bottom to top can ensure that the vibration is dissipated as much as possible when being transmitted to the fixing seat, so that the vibration of the wiring box body is weakened.
Furthermore, the number of the friction damping devices is multiple, the friction damping devices are arranged at intervals along the axis of the wiring box body, and the friction damping devices jointly support the installation box body.
Further, the link includes upper junction plate and lower connecting plate, the upper junction plate is the V template, the lower connecting plate is the board of falling the V template, the top and the ceiling of upper junction plate are connected, the bottom of lower connecting plate is fixed mutually with the lateral surface of wiring box, the crisscross setting in upper junction plate bottom and the top of lower connecting plate, the both sides limit of upper junction and lower connecting plate rotates through a rotation connecting axle and is connected.
The rotation of upper junction plate and lower connecting plate is connected the install bin adjustment position of being convenient for, and the setting up of V template makes two places to rotate the connecting axle and has the relevance simultaneously, guarantees the stationarity that the wiring box is fixed.
Furthermore, a locking nut is arranged on the rotating connecting shaft. The locking nut is used for locking the rotating connecting shaft, and after the cable is installed, the upper connecting plate and the lower connecting plate are fixed.
Further, be equipped with protective cover on the installation box, be equipped with a plurality of spacing draw-in grooves in the installation box. The limiting groove is convenient for fixing the cable, and the protective cover plate prevents external dust from entering.
The technical scheme has the following beneficial effects:
according to the invention, the installation box body is used for placing the cable, when the cable vibrates, the installation box body is transmitted to the friction damping device, the friction plates rub against each other, so that the loss of vibration energy is fast, compared with the vibration reduction of a spring, the loss of the friction loss to the vibration is faster, and different vibration environments can be adapted by adjusting the number of the friction plates and the pressure between the friction plates, so that the firmness of fixing the distribution box is ensured, and the collapse of the bridge frame is effectively avoided.
Drawings
FIG. 1 is an external structural view of a high strength molded bridge as described in example 1.
FIG. 2 is a cross-sectional view of the high strength molded bridge as described in example 1.
Fig. 3 is a structural view of the friction damper device according to embodiment 1.
Fig. 4 is a structural view of a friction damper device according to embodiment 2.
FIG. 5 is a cross-sectional view of the high strength molded bridge as described in example 3.
Description of reference numerals:
1. a wiring box body; 11. a fixed seat; 2. installing a box body; 21. a protective cover plate; 22. a limiting clamping groove; 3. a connecting frame; 31. an upper connecting plate; 32. a lower connecting plate; 33. rotating the connecting shaft; 34. locking the nut; 4. a friction damping device; 41. a friction plate; 411. a first friction plate; 412. a second friction plate; 42. the rod is rotated.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Example 1
Referring to fig. 1-3, the present embodiment provides a high-strength molded bridge frame, including a wiring box 1, an installation box 2, and a connecting frame 3, where the wiring box 1 is connected and fixed to a ceiling through the connecting frame 3, a fixing seat 11 is disposed inside the wiring box 1, a friction damping device 4 is disposed on the fixing seat 11, the friction damping device 4 includes a plurality of friction plates that are tightly attached to each other, and the installation box 2 is fixed to at least one friction plate.
In this embodiment, the installation case 2 and the wiring case 1 are both molded and extruded at one time. A plurality of friction discs are by piling up the setting from top to bottom, be equipped with rotary rod 42 on the fixing base 11, rotary rod 42 runs through the friction disc, the top of rotary rod 42 is equipped with screws up the nut. The tightening nuts are used for adjusting the pressure among the friction plates, thereby adjusting the friction force among the friction plates
The friction plates specifically include a first friction plate 411 and a second friction plate 412, the first friction plate 411 and the second friction plate 412 are stacked in a staggered manner, a connecting rod is fixed on the bottom surface of the installation box 2, the end portions of the first friction plates 411 are fixed to the connecting rod, and the rotating rod 42 penetrates through the first friction plate 411 and the second friction plate 412. The friction disc is crisscross to be piled up the setting, and the gravity that installation box 2 self was taken pushes down for first friction disc 411 and second friction disc 412 are hugged closely, and when installation box 2 was carried out left right vibration under the drive of cable, relative friction was carried out simultaneously between a plurality of first friction discs 411 and the second friction disc 412, thereby reduced the transmission of vibration.
In this embodiment, the first friction plate 411 and the second friction plate 412 are both in a long strip shape, the rotating rod 42 penetrates through the middle portions of the first friction plate 411 and the second friction plate 412, two connecting rods are provided, and two ends of the first friction plate 411 are connected with the connecting rods. The bottom surface of the wiring box body 1 can be provided with a plurality of through holes, so that heat dissipation is facilitated.
The number of the friction damping devices 4 is multiple, the friction damping devices 4 are arranged at intervals along the axis of the wiring box body 1, and the friction damping devices 4 support the installation box body 2 together. The link 3 includes upper junction plate 31 and lower junction plate 32, upper junction plate 31 is the V template, lower junction plate 32 is the board of falling the V, the top and the ceiling of upper junction plate 31 are connected, the bottom of lower junction plate 32 is fixed mutually with the lateral surface of wiring box 1, the crisscross setting in upper junction plate 31 bottom and lower junction plate 32's top, the both sides limit of going up connection and lower junction plate 32 rotates through a rotation connecting axle 33 and is connected.
The upper connecting plate 31 and the lower connecting plate 32 are connected in a rotating mode, so that the position of the installation box can be adjusted conveniently, meanwhile, the two rotating connecting shafts 33 are associated due to the arrangement of the V-shaped plates, and the fixing stability of the wiring box body 1 is guaranteed. The rotating connecting shaft 33 is provided with a locking nut 34. The locking nut 34 is used for locking the rotating connecting shaft 33, and fixing the upper connecting plate 31 and the lower connecting plate 32 after the cable is installed.
The installation box body 2 is provided with a protective cover plate 21, and a plurality of limiting clamping grooves 22 are arranged in the installation box body 2. The limiting groove is convenient for fixing the cable, and the protective cover plate 21 prevents external dust from entering. In this embodiment, the limiting clamping groove 22 is formed by separating a plurality of limiting clamping plates.
Example 2
Referring to fig. 4, the present embodiment provides a high strength molded bridge, which is different from embodiment 1 in that the first friction plate 41 is a long strip, the second friction plate 41 is an X-shaped, and the rotating rod 42 penetrates through the center positions of the first friction plate 41 and the second friction plate 41. When the first friction plate 41 vibrates left and right due to the vibration of the cable, the larger the vibration amplitude is, the larger the contact area between the first friction plate 41 and the second friction plate 41 is, and the larger the friction dissipation is, so that the vibration can be effectively dissipated.
Example 3
Referring to fig. 5, the present embodiment provides a high strength molded bridge, which is different from embodiment 1 in that the friction plate 41 is circular, and the bottom surface of the installation box 2 is fixed to the top friction plate 41. The circular friction plates 41 enable the friction plates 41 to have as large a contact area as possible, ensuring that the vibration energy of the mounting case 2 is dissipated as much as possible. The friction coefficients of the surfaces of the plurality of friction plates 41 gradually increase from top to bottom.
The friction coefficient is gradually positive, the friction force is larger, the vibration energy which can be dissipated by the friction coefficient is more, and the mode of gradually increasing from bottom to top can ensure that the vibration is dissipated as much as possible when being transmitted to the fixed seat 11, so that the vibration of the wiring box body 1 is weakened.
According to the invention, the installation box body 2 is used for placing cables, when the cables vibrate, the cables are transmitted to the friction damping device 4 through the installation box body 2, the friction plates 41 rub against each other, so that the vibration energy is rapidly lost, the friction loss is more rapid compared with the vibration reduction of springs, and different vibration environments can be adapted by adjusting the number of the friction plates 41 and the pressure between the friction plates 41, so that the fixing firmness of the distribution box is ensured, and the collapse of the bridge frame is effectively avoided.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.
Although the embodiments have been described, once the basic inventive concept is obtained, other variations and modifications of these embodiments can be made by those skilled in the art, so that the above embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes using the contents of the present specification and drawings, or any other related technical fields, which are directly or indirectly applied thereto, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a high strength mould pressing crane span structure, its characterized in that includes wiring box, installation box and link, the wiring box is connected fixedly through link and ceiling, the inside fixing base that is equipped with of wiring box, be equipped with friction damping device on the fixing base, friction damping device includes a plurality of friction discs of hugging closely each other, the installation box is fixed mutually with at least one friction disc.
2. The high strength molded bridge frame according to claim 1, wherein a plurality of friction plates are stacked one on top of the other, the fixing base is provided with a rotating rod, the rotating rod penetrates through the friction plates, and a tightening nut is provided at the top end of the rotating rod.
3. The high strength molded bridge frame of claim 2, wherein the friction damping means comprises a plurality of first friction plates and a plurality of second friction plates, the first friction plates and the second friction plates are stacked in a staggered manner, a connecting rod is fixed to the bottom surface of the mounting box, the ends of the plurality of first friction plates are fixed to the connecting rod, and the rotating rod penetrates through the first friction plates and the second friction plates.
4. The high strength molded bridge frame of claim 3, wherein the first friction plate is elongated and the second friction plate is X-shaped, and the rotating rod extends through the center of the first friction plate and the second friction plate.
5. The high strength molded bridge frame of claim 1, wherein said friction plates are circular and the bottom surface of said mounting box is secured to the top friction plate.
6. The high strength molded bridge frame of claim 5, wherein the friction coefficient of the plurality of friction plates increases from top to bottom.
7. The high strength molded bridge frame of claim 1, wherein the plurality of friction damping devices are spaced apart along the axis of the wiring cabinet, the plurality of friction damping devices collectively supporting the mounting cabinet.
8. The high strength molded bridge frame as defined in claim 1, wherein said connecting frame comprises an upper connecting plate and a lower connecting plate, said upper connecting plate is a V-shaped plate, said lower connecting plate is an inverted V-shaped plate, the top end of said upper connecting plate is connected to the ceiling, the bottom end of said lower connecting plate is fixed to the outer side of the wiring box, the bottom end of said upper connecting plate is staggered with the top end of said lower connecting plate, and the two side edges of said upper connecting plate and said lower connecting plate are rotatably connected by a rotating connecting shaft.
9. The high strength molded bridge frame of claim 8, wherein said rotating connection shaft is provided with a locking nut.
10. The high strength molded bridge frame of claim 1, wherein said mounting box has a protective cover, and said mounting box has a plurality of limiting slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210071530.XA CN114400597B (en) | 2022-01-21 | 2022-01-21 | High-strength mould pressing bridge frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210071530.XA CN114400597B (en) | 2022-01-21 | 2022-01-21 | High-strength mould pressing bridge frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114400597A true CN114400597A (en) | 2022-04-26 |
| CN114400597B CN114400597B (en) | 2024-04-05 |
Family
ID=81232591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210071530.XA Active CN114400597B (en) | 2022-01-21 | 2022-01-21 | High-strength mould pressing bridge frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114400597B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001009466A1 (en) * | 1999-08-03 | 2001-02-08 | Mualla Imad H | A device for damping movements of structural elements and a bracing system |
| NZ721450A (en) * | 2014-12-16 | 2017-03-31 | Chong-Shien Tsai | Friction-damping energy absorber |
| CN107830107A (en) * | 2017-11-13 | 2018-03-23 | 许昌恒科实业发展有限公司 | A kind of antidetonation crane span structure |
| CN109149464A (en) * | 2018-10-18 | 2019-01-04 | 淮北市硕华机械设备有限公司 | A kind of communication engineering cable testing bridge that performance is stable |
| US10174467B1 (en) * | 2017-08-17 | 2019-01-08 | Sichuan University | Self-resetting friction-damping shock absorption bearing and shock absorption bridge |
| CN109217204A (en) * | 2018-11-19 | 2019-01-15 | 湖南方明电器设备有限公司 | A kind of cable testing bridge being easily installed |
| RU2019123779A (en) * | 2019-07-29 | 2021-01-29 | Олег Савельевич Кочетов | VIBRATION INSULATOR WITH DRY FRICTION |
-
2022
- 2022-01-21 CN CN202210071530.XA patent/CN114400597B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001009466A1 (en) * | 1999-08-03 | 2001-02-08 | Mualla Imad H | A device for damping movements of structural elements and a bracing system |
| NZ721450A (en) * | 2014-12-16 | 2017-03-31 | Chong-Shien Tsai | Friction-damping energy absorber |
| US10174467B1 (en) * | 2017-08-17 | 2019-01-08 | Sichuan University | Self-resetting friction-damping shock absorption bearing and shock absorption bridge |
| CN107830107A (en) * | 2017-11-13 | 2018-03-23 | 许昌恒科实业发展有限公司 | A kind of antidetonation crane span structure |
| CN109149464A (en) * | 2018-10-18 | 2019-01-04 | 淮北市硕华机械设备有限公司 | A kind of communication engineering cable testing bridge that performance is stable |
| CN109217204A (en) * | 2018-11-19 | 2019-01-15 | 湖南方明电器设备有限公司 | A kind of cable testing bridge being easily installed |
| RU2019123779A (en) * | 2019-07-29 | 2021-01-29 | Олег Савельевич Кочетов | VIBRATION INSULATOR WITH DRY FRICTION |
Non-Patent Citations (2)
| Title |
|---|
| 张纪刚;吴斌;欧进萍;: "海洋平台隔振结构限位器设计", 哈尔滨工业大学学报, no. 10 * |
| 樊禹江;王社良;: "基于新型压电摩擦阻尼器的高压输电塔半主动抗震控制", 河海大学学报(自然科学版), no. 04 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114400597B (en) | 2024-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10181711B2 (en) | Spacer device | |
| CA1181474A (en) | Transmission line composite beam suspension assembly | |
| US3260789A (en) | Bundled conductor spacer damper | |
| US3992566A (en) | Aerodynamic aerial conductor vibration damper | |
| CN114400597A (en) | High strength mould pressing crane span structure | |
| KR101801158B1 (en) | Tower fixing structure of overhead wire for transmission and distribution | |
| CN103606872A (en) | Anti-corona type six-split conductive wire spacing rod | |
| JP3700862B2 (en) | Multi-conductor transmission line galloping suppression device | |
| CA2938428A1 (en) | Spacer device for overhead line | |
| US3443019A (en) | Spacer damper | |
| KR101976412B1 (en) | Seismic isolation device and Seismic motion protecting system including the same | |
| CN210744623U (en) | Fixing device for cable installation | |
| KR100865074B1 (en) | Power cable space for power transmission tower | |
| CN109818316A (en) | A kind of Novel bus duct | |
| CN210468433U (en) | Movable capacitor cabinet | |
| CN210074720U (en) | Wire hanging plate and insulating beam | |
| US3267202A (en) | Adjustable insulator support | |
| CN208690880U (en) | Cable fastens antiswing device | |
| KR102231152B1 (en) | Spacing device of stringing travelers | |
| CN220291622U (en) | Interphase anti-galloping device for three-split conductor | |
| CN212114717U (en) | Vibration-proof shaft for split conductor of overhead transmission line | |
| US3755613A (en) | Vibration resistor for overhead conductors | |
| CN212624851U (en) | Cable for industrial automation equipment | |
| CN216053868U (en) | Noise reduction mechanism for box-type substation | |
| CN209913458U (en) | Anti-seismic support for cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |