CN114566924B - Horizontal modularized bridge-following cable expansion compensation device - Google Patents
Horizontal modularized bridge-following cable expansion compensation device Download PDFInfo
- Publication number
- CN114566924B CN114566924B CN202210204663.XA CN202210204663A CN114566924B CN 114566924 B CN114566924 B CN 114566924B CN 202210204663 A CN202210204663 A CN 202210204663A CN 114566924 B CN114566924 B CN 114566924B
- Authority
- CN
- China
- Prior art keywords
- frame
- bevel
- bridge
- arch
- angle
- 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.)
- Active
Links
- 238000010521 absorption reaction Methods 0.000 claims abstract description 21
- 230000008602 contraction Effects 0.000 claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000003786 synthesis reaction Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000005452 bending Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
- H02G11/006—Arrangements of electric cables or lines between relatively-movable parts using extensible carrier for the cable, e.g. self-coiling spring
-
- 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
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
- H02G3/0608—Joints for connecting non cylindrical conduits, e.g. channels
-
- 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
- H02G3/0456—Ladders or other supports
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a horizontal modularized bridge-following cable expansion compensation device. In order to avoid excessive deformation of the bridge cable, a telescopic arc compensation device is additionally arranged when the bridge cable spans an expansion joint between the bridge boxes, so that the bridge cable can be ensured to synchronously stretch along with the expansion of the bridge boxes. The invention comprises a bevel absorption mechanism, a movable table, a multi-arch module and a base stand, wherein the bevel absorption mechanism, the movable table and the multi-arch module are arranged on the base stand; one end of the angle absorption mechanism is connected with the bridge box girder, the other end of the angle absorption mechanism is connected with the movable platform, the other end of the movable platform is connected with the multi-arch module, and the multi-arch module is horizontally arranged; when the two bridge box girders are in telescopic change, the telescopic quantity between the two box girders is completely transferred to the movable platform by the folding angle absorbing mechanism, the movable platform moves and drives the multi-arch module to generate arch change, and the arch change absorbs or releases the length equivalent to the change of the expansion joint, so that the aims of compensating the expansion and protecting the cable are fulfilled.
Description
Technical Field
The invention belongs to the field of bridge cable auxiliary facilities, relates to a horizontal modularized bridge-following cable expansion compensation device, and is specially used for solving the expansion arc compensation problem of a bridge cable under the condition of insufficient space in the height and width directions.
Background
Along with the acceleration of island construction in China, the laying work of power supply cables in the matched islands is synchronously carried out. The bridge cable scheme has the advantages of low cost, high reliability, easy maintenance and the like compared with an overhead and submarine cable scheme by combining factors such as overhead span, submarine conditions, a channel and the like.
However, the bridge cable laying can face the problem that the expansion joint between two box girders changes along with the change of the environmental temperature, in order to avoid damage caused by extra stress born by the bridge cable because of the change of the bridge expansion joint, a telescopic arc compensation device is additionally arranged when the bridge cable spans the bridge expansion joint, so that the bridge cable can synchronously stretch along with the stretching of the bridge box girders, and the minimum bending radius of the cable during the stretching is more than the allowable bending radius.
Disclosure of Invention
In order to solve the problem of telescopic arc compensation of bridge cables under the condition of insufficient space in the height direction, the invention provides a horizontal modularized telescopic compensation device for the bridge-following cables.
Therefore, the invention adopts the following technical scheme: the horizontal modularized bridge-following cable expansion compensation device comprises a folded angle absorption mechanism, a movable table, a multi-arch module and a base stand, wherein the folded angle absorption mechanism, the movable table and the multi-arch module are arranged on the base stand;
one end of the angle absorption mechanism is connected with the bridge box girder, the other end of the angle absorption mechanism is connected with the movable platform, the other end of the movable platform is connected with the multi-arch module, and the multi-arch module is horizontally arranged;
when the two bridge box girders are in telescopic change, the telescopic quantity between the two box girders is completely transferred to the movable table by the folding angle absorbing mechanism, and the movable table moves and drives the multi-arch module to generate arch change.
Further, the bridge cable telescopic arc compensation device also comprises a wire arranging frame, and the wire arranging frame is fixed on the base stand.
Further, the bevel absorbing mechanism comprises a front bevel frame and a rear bevel frame which can rotate relative to the front bevel frame;
the two sides of the rear end of the front bevel frame are connected with the two sides of the front end of the rear bevel frame by a bevel side shaft, so that small rotation between the front bevel frame and the rear bevel frame is realized; the rear end center of the front bevel frame is connected with the front end center of the rear bevel frame by a bevel center shaft, so that the rear bevel frame can rotate slightly by taking the bevel center shaft as the center.
Further, the front end of the front bevel frame is connected with one side of a bevel bottom frame through a bevel shaft, and the other side of the bevel bottom frame is connected with a bridge box girder; the bevel shaft penetrates through the front end of the front bevel frame, and two ends of the bevel shaft are arranged on the bevel bottom frame through bearings and bearing seats.
Further, the rear end of the rear bevel frame is connected with one end of a bevel rotating arm through a positioning column, and the other end of the bevel rotating arm is connected with a movable table; the inner end of the positioning column is fixed on the side wall of the rear end of the rear bevel frame, and the bevel rotating arm is connected with the positioning column through threads, so that the bevel rotating arm can rotate relative to the rear bevel frame.
Further, two side walls of the rear end of the front bevel frame and two side walls of the front end of the rear bevel frame are respectively provided with a connecting piece, the bevel side shafts are studs, penetrate through two connecting pieces positioned on the same side and are connected with a nut.
Furthermore, the connecting pieces on the two side walls of the rear end of the front bevel frame are respectively provided with an elliptical hole for the stud to pass through.
Further, the movable table comprises a movable frame and a cable clamp; the cable clamp is arranged on the movable frame, and the base frame is provided with a bottom riding wheel and a lateral guide wheel which are matched with the movable frame for use, so that the movable frame can flexibly and horizontally move.
Further, the multi-arch module comprises a plurality of single arches which are connected in series, each single arch comprises an arch plate, a humanoid frame, a multi-dimensional motion synthesis mechanism and a differential mechanism, the arch plates are arranged on the humanoid frame, and the deformation degree of the arch plates is controlled through the humanoid frame; the multidimensional motion synthesis mechanism comprises a base station, a first pulley, a bearing table and a second pulley which are arranged on a base frame, wherein the first pulley is arranged on the base station and can slide back and forth in the X-axis direction; the bearing table is fixedly arranged on the first pulley and slides back and forth along with the first pulley; the second pulley is arranged on the bearing table and can slide back and forth in the Y-axis direction; the bottoms of the arch plate and the humanoid frame are arranged on a bearing table, and the bearing table plays a supporting role on the arch plate and the humanoid frame.
Furthermore, the multi-arch module is formed by connecting three single arches in series, wherein the two single arches are respectively provided with a differential mechanism, and the expansion and contraction quantity between the two box girders is equally transmitted to the arch plate and the humanoid frame through the differential mechanism.
The chord length of the arch plate is changed to drive the bending radius of the cable fixed on the arch plate to change, and when the bending radius of the cable is changed, the distance between two ends of the cable fixed on the multi-arch module is changed, so that the purpose of compensating the expansion and contraction amount between two bridge boxes is achieved.
According to the invention, the folding angle absorption mechanism absorbs the folding angle and the dislocation between two bridge boxes and beams, and the expansion compensation of 1200mm to 1700mm can be realized by the superposition of the variation of each single arch through the synchronous equivalent variation of each single arch in the horizontally placed multi-arch module so as to adapt to the expansion amount requirement of a bridge expansion joint; the invention can avoid the bridge cable from bearing extra stress due to the change of the bridge expansion joint, and can control the minimum bending radius of the cable to be above the allowable bending radius.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the multi-arch module of the present invention;
FIG. 3 is a schematic view of the structure of the corner absorbing mechanism and the movable stage of the present invention;
FIG. 4 is an enlarged view of the portion A (i.e., the corner absorption mechanism) in FIG. 3;
FIG. 5 is a schematic view of a single arch structure in a multi-arch module according to the present invention;
fig. 6 is a schematic structural diagram of the multi-dimensional motion synthesis mechanism of the present invention.
Detailed Description
The invention is described in detail below with reference to the drawings and the detailed description.
The horizontal modularized bridge-following cable expansion compensation device shown in fig. 1 consists of a bevel absorption mechanism 1, a movable table 2, a multi-arch module 3, a wire management frame 4 and a base stand 5, wherein the bevel absorption mechanism 1, the movable table 2 and the multi-arch module 3 are arranged on the base stand 5, and the wire management frame 4 is fixed on the base stand 5. The cable management frame comprises a cable clamp, and the cable is restored to a horizontal parallel laying mode through the cable clamp.
One end of the bevel absorption mechanism 1 is connected with a bridge box girder, the other end of the bevel absorption mechanism is connected with a movable platform, the other end of the movable platform is connected with a multi-arch module, and the multi-arch module is horizontally arranged.
When the two bridge box girders are in telescopic change, the telescopic quantity between the two box girders is completely transmitted to the movable table 2 by the folding angle absorbing mechanism 1, and the movable table 2 moves and drives the multi-arch module 3 to generate arch change.
As shown in fig. 3 to 4, the corner absorption mechanism 1 is composed of a front corner frame 11 and a rear corner frame 12 rotatable relative to the front corner frame 11.
The two sides of the rear end of the front bevel frame 11 are connected with the two sides of the front end of the rear bevel frame 12 by bevel side shafts 15, so that small rotation between the front bevel frame 11 and the rear bevel frame 12 is realized; the rear end center of the front bevel frame 11 is connected with the front end center of the rear bevel frame 12 by a bevel center shaft 17, so that the rear bevel frame 12 can rotate slightly (the rotation angle is within 10 degrees) with the bevel center shaft 17 as the center, and the rotation amplitude is consistent with the amplitude of the small rotation between the front bevel frame 1 and the rear bevel frame 2.
The front end of the front bevel frame 11 is connected with one side of a bevel bottom frame 13 through a bevel shaft 14, and the other side of the bevel bottom frame 13 is connected with a bridge box girder; the angle folding shaft 14 penetrates through the front end of the front angle folding frame 11, and two ends of the angle folding shaft are arranged on the angle folding bottom frame through bearings and bearing seats.
The rear end of the rear bevel frame 12 is connected with one end of a bevel rotating arm 16 through a positioning column, and the other end of the bevel rotating arm 16 is connected with a movable table; the inner end of the positioning column is fixed on the side wall of the rear end of the rear bevel frame 12, and the bevel rotating arm 16 is connected with the positioning column through threads, so that the bevel rotating arm 16 can rotate relative to the rear bevel frame.
The two side walls of the rear end of the front bevel frame 11 and the two side walls of the front end of the rear bevel frame 12 are respectively provided with a connecting piece, and the bevel side shaft 15 is a stud, penetrates through the two connecting pieces positioned on the same side and is connected with a nut. The connecting pieces on the two side walls of the rear end of the front bevel frame 11 are respectively provided with an elliptical hole 18 for a stud to pass through.
The movable platform 2 consists of a movable frame and a cable clamp; the cable clamp is arranged on the movable frame, and the base frame table 5 is provided with a bottom riding wheel 51 and a lateral guide wheel 52 which are matched with the movable frame to enable the movable frame to horizontally move back and forth.
As shown in fig. 2 and 5, the multi-arch module 3 comprises a plurality of single arches connected in series, each single arch comprises an arch plate 31, a humanoid frame 32, a multi-dimensional motion synthesis mechanism 33 and a differential mechanism 34, wherein the arch plate 31 is installed on the humanoid frame 32, and the deformation degree of the arch plate 31 is controlled by the humanoid frame 32.
As shown in fig. 6, the multidimensional motion synthesis mechanism comprises a base 331, a first pulley 332, a bearing table 333 and a second pulley 334 which are arranged on the base frame 5, wherein the first pulley 332 is arranged on the base 331 and can slide back and forth in the X-axis direction; the bearing table 333 is fixedly installed on the first pulley 332 and slides back and forth along with the first pulley 332; the second pulley 334 is mounted on the carrying table 333 and can slide back and forth along the Y-axis direction; the bottoms of the arch plate 31 and the humanoid frame 32 are mounted on a carrying platform 333, and the carrying platform 333 supports the arch plate 31 and the humanoid frame 32.
The multi-arch module 3 is formed by connecting three single arches in series, wherein the front two single arches are respectively provided with a differential mechanism, and the expansion and contraction quantity between the two box girders is equally transmitted to the arch deck and the humanoid frame through the differential mechanism.
The working principle of the invention is as follows: the bridge cable passes through the angle absorption mechanism 1 from one side box girder and is fixed on the movable platform 2, the multi-arch module 3, the wire management frame 4 and the base stand 5 by using a cable clamp. When the two bridge box girders are subjected to angle folding and dislocation, the angle folding absorbing mechanism 1 absorbs the angle folding and dislocation between the two bridge box girders through mechanical movement at the corresponding direction shaft joint. When the two bridge box girders are in telescopic change, the telescopic quantity between the two box girders is completely transmitted to the movable table 2 by the folding angle absorbing mechanism 1, and the movable table 2 moves and drives the multi-arch module 3 to generate arch change. When the expansion joint between the two bridge boxes is elongated, 3 single arches of the multi-arch module 3 simultaneously generate equal chord length elongation, and the sum of the chord length elongation of the 3 single arches is equal to the elongation of the expansion joint. When the expansion joint between the two bridge boxes is contracted, 3 single arches of the multi-arch module 3 simultaneously generate equivalent chord length contraction, and the sum of the chord length contraction amounts of the 3 single arches is equal to the contraction amount of the expansion joint.
What is not described in detail in this specification is all that is known to those skilled in the art. Furthermore, the foregoing description of the invention is provided by way of example only. All equivalent changes in construction, feature and principle according to the inventive concept are intended to be included in the scope of the present invention. Modifications, additions, etc. to the specific embodiments described may be made by those skilled in the art without departing from the structure of the invention or exceeding the scope of the invention as defined in the following claims.
Claims (9)
1. The horizontal modularized bridge-following cable expansion compensation device is characterized by comprising a folding angle absorption mechanism (1), a movable table (2), a multi-arch module (3) and a base stand (5), wherein the folding angle absorption mechanism (1), the movable table (2) and the multi-arch module (3) are arranged on the base stand (5);
one end of the bevel absorption mechanism (1) is connected with a bridge box girder, the other end of the bevel absorption mechanism is connected with a movable platform (2), the other end of the movable platform (2) is connected with a multi-arch module (3), and the multi-arch module (3) is horizontally arranged;
when the two bridge box girders are subjected to expansion and contraction change, the expansion and contraction amount between the two box girders is completely transmitted to the movable platform (2) by the folding angle absorption mechanism (1), and the movable platform (2) moves and drives the multi-arch module (3) to generate arch change;
the multi-arch module (3) comprises a plurality of single arches which are connected in series, each single arch comprises an arch plate (31), a human-shaped frame (32), a multi-dimensional motion synthesis mechanism (33) and a differential mechanism (34), the arch plates (31) are arranged on the human-shaped frame (32), and the deformation degree of the arch plates (31) is controlled through the human-shaped frame (32); the multidimensional motion synthesis mechanism comprises a base table (331) arranged on a base frame (5), a first pulley (332), a bearing table (333) and a second pulley (334), wherein the first pulley (332) is arranged on the base table (331) and can slide back and forth in the X-axis direction; the bearing table (333) is fixedly arranged on the first pulley (332) and slides back and forth along with the first pulley (332); the second pulley (334) is arranged on the bearing table (333) and can slide back and forth in the Y-axis direction; the bottoms of the arch plate (31) and the humanoid frame (32) are arranged on a bearing table (333), and the bearing table (333) supports the arch plate (31) and the humanoid frame (32).
2. The horizontal modularized bridge-associated cable expansion compensation device according to claim 1, further comprising a wire management frame (4), wherein the wire management frame (4) is fixed on the base frame (5).
3. A horizontal modular cable-with-bridge expansion and contraction compensating apparatus according to claim 1 or 2, wherein the angle absorbing mechanism (1) comprises a front angle frame (11) and a rear angle frame (12) rotatable relative to the front angle frame (11);
both sides of the rear end of the front bevel frame (11) are connected with both sides of the front end of the rear bevel frame (12) by a bevel side shaft (15), so that small rotation between the front bevel frame (11) and the rear bevel frame (12) is realized; the rear end center of the front bevel frame (11) is connected with the front end center of the rear bevel frame (12) by adopting a bevel center shaft (17), so that the rear bevel frame (12) can rotate slightly by taking the bevel center shaft (17) as the center.
4. A horizontal modular bridge-associated cable expansion and contraction compensating apparatus as claimed in claim 3, wherein the front end of the front angle frame (11) is pivotally connected to one side of an angle frame (13) through an angle shaft (14), and the other side of the angle frame (13) is connected to a bridge box girder; the bevel shaft (14) penetrates through the front end of the front bevel frame (11), and two ends of the bevel shaft are arranged on the bevel bottom frame (13) through bearings and bearing seats.
5. A horizontal modular bridge-associated cable expansion and contraction compensating apparatus as claimed in claim 3, wherein the rear end of the rear angled frame (12) is connected to one end of an angled rotating arm (16) through a positioning column, and the other end of the angled rotating arm (16) is connected to the movable table (2); the inner end of the positioning column is fixed on the side wall of the rear end of the rear bevel frame (12), and the bevel rotating arm (16) is connected with the positioning column through threads, so that the bevel rotating arm (16) can rotate relative to the rear bevel frame (12).
6. A horizontal modular bridge-associated cable expansion and contraction compensating apparatus according to claim 3, wherein both side walls of the rear end of the front angle frame (11) and both side walls of the front end of the rear angle frame (12) are provided with connecting members, and the angle side shaft (15) is a stud penetrating through two connecting members located on the same side and connected with a nut.
7. The horizontal modular bridge-associated cable expansion and contraction compensating apparatus as claimed in claim 6, wherein the connecting members on both side walls of the rear end of the front corner frame (11) are provided with an elliptical hole (18) for the passage of the stud.
8. A horizontal modular on-bridge cable expansion and contraction compensating apparatus according to claim 1, wherein said movable stage (2) comprises a movable frame and a cable clamp; the cable clamp is arranged on the movable frame, and the base frame table (5) is provided with a bottom riding wheel (51) and a lateral guide wheel (52) which are matched with the movable frame to enable the movable frame to horizontally move back and forth.
9. The horizontal modularized bridge-associated cable expansion and contraction compensation device according to claim 1, wherein the multi-arch module (3) is formed by connecting three single arches in series, the two single arches are respectively provided with a differential mechanism (34), and the expansion and contraction amount between the two box girders is equally transmitted to the arch plate (31) and the humanoid frame (32) through the differential mechanism (34).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122940644 | 2021-11-22 | ||
| CN2021229406447 | 2021-11-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114566924A CN114566924A (en) | 2022-05-31 |
| CN114566924B true CN114566924B (en) | 2023-10-27 |
Family
ID=81717963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210204663.XA Active CN114566924B (en) | 2021-11-22 | 2022-03-03 | Horizontal modularized bridge-following cable expansion compensation device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114566924B (en) |
| DE (1) | DE202022102293U1 (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0739032A (en) * | 1993-07-21 | 1995-02-07 | Kansai Electric Power Co Inc:The | Corner-breakage absorbing snake |
| CN201927957U (en) * | 2010-12-31 | 2011-08-10 | 上海市电力公司 | Cable compensating device applied to great bridge |
| CN102738760A (en) * | 2011-04-06 | 2012-10-17 | 上海市电力公司 | Cable telescopic arc device |
| CN102738758A (en) * | 2011-04-02 | 2012-10-17 | 上海市电力公司 | Angle bending apparatus used for cable telescoping arc |
| CN103061256A (en) * | 2013-01-14 | 2013-04-24 | 王和平 | Bridge crossing cable expansion and contraction compensation device |
| CN203034369U (en) * | 2013-01-14 | 2013-07-03 | 王和平 | Flexibility compensation device of bridge cable |
| CN104929040A (en) * | 2015-07-13 | 2015-09-23 | 许昌大森电气机电成套设备有限公司 | Cable expansion and shrinkage device of cross-sea bridge |
| KR20170076040A (en) * | 2015-12-24 | 2017-07-04 | 일진전기 주식회사 | Link mechanism for underground electric power cables on a bridge |
| CN108385518A (en) * | 2018-03-13 | 2018-08-10 | 浙江华云电力工程设计咨询有限公司 | One kind becoming expansion compensation device and its construction method with bridge cable is differential |
| CN207910434U (en) * | 2018-03-26 | 2018-09-25 | 浙江华云电力工程设计咨询有限公司 | One kind is with the smooth expansion compensation device of bridge cable multiple spot |
-
2022
- 2022-03-03 CN CN202210204663.XA patent/CN114566924B/en active Active
- 2022-04-28 DE DE202022102293.3U patent/DE202022102293U1/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0739032A (en) * | 1993-07-21 | 1995-02-07 | Kansai Electric Power Co Inc:The | Corner-breakage absorbing snake |
| CN201927957U (en) * | 2010-12-31 | 2011-08-10 | 上海市电力公司 | Cable compensating device applied to great bridge |
| CN102738758A (en) * | 2011-04-02 | 2012-10-17 | 上海市电力公司 | Angle bending apparatus used for cable telescoping arc |
| CN102738760A (en) * | 2011-04-06 | 2012-10-17 | 上海市电力公司 | Cable telescopic arc device |
| CN103061256A (en) * | 2013-01-14 | 2013-04-24 | 王和平 | Bridge crossing cable expansion and contraction compensation device |
| CN203034369U (en) * | 2013-01-14 | 2013-07-03 | 王和平 | Flexibility compensation device of bridge cable |
| CN104929040A (en) * | 2015-07-13 | 2015-09-23 | 许昌大森电气机电成套设备有限公司 | Cable expansion and shrinkage device of cross-sea bridge |
| KR20170076040A (en) * | 2015-12-24 | 2017-07-04 | 일진전기 주식회사 | Link mechanism for underground electric power cables on a bridge |
| CN108385518A (en) * | 2018-03-13 | 2018-08-10 | 浙江华云电力工程设计咨询有限公司 | One kind becoming expansion compensation device and its construction method with bridge cable is differential |
| CN207910434U (en) * | 2018-03-26 | 2018-09-25 | 浙江华云电力工程设计咨询有限公司 | One kind is with the smooth expansion compensation device of bridge cable multiple spot |
Non-Patent Citations (3)
| Title |
|---|
| 220kV崇明联网工程伸缩缝电缆吸收装置选型研究;张永隆;朱爱钧;沈彬;梁浩;金永祥;吴正松;;华东电力(第12期);第2109-2112页 * |
| 港珠澳大桥交通工程电缆伸缩装置的应用;许斌;;公路交通科技(第S1期);第113-116页 * |
| 高压电缆敷设于长距离大桥应对大桥伸缩缝问题的探讨;方晓明;曹志强;;华东电力(第03期);第0618-0622页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202022102293U1 (en) | 2022-05-19 |
| CN114566924A (en) | 2022-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102615514B (en) | Two-degree-of-plane-freedom redundant drive parallel mechanism and machine tool with same | |
| CN104269097A (en) | Redundant drive six-degree-of-freedom motion simulation table | |
| CN103061257A (en) | Bridge crossing cable expansion and contraction compensation device | |
| CN106426092A (en) | Movement redundancy five-freedom-degree parallel serial robot | |
| CN114566924B (en) | Horizontal modularized bridge-following cable expansion compensation device | |
| WO2021132043A1 (en) | Impact test device | |
| CN103061256A (en) | Bridge crossing cable expansion and contraction compensation device | |
| CN210731447U (en) | Double gantry frame for automatic robot welding | |
| CN101528409B (en) | Device for the overhead machning of fixed parts | |
| CN212442089U (en) | Sorting capacity multiplication type sorting device | |
| CN207910434U (en) | One kind is with the smooth expansion compensation device of bridge cable multiple spot | |
| CN215789720U (en) | Modular electronic engineer debugging platform | |
| CN101549464A (en) | Dual-axis driving device | |
| CN203034364U (en) | Flexibility compensation device of bridge cable | |
| CN207188529U (en) | A kind of mutual flow-through rear material stopping device for bending machine of integration | |
| CN203034369U (en) | Flexibility compensation device of bridge cable | |
| CN106736634B (en) | A kind of three translation parallel lathe of big working space of additional redundancy Circular Sliding | |
| CN215548655U (en) | Long cantilever triaxial module supported by double tracks | |
| US20120328385A1 (en) | Machining means for ceiling fixed parts | |
| CN208575379U (en) | A kind of projecting robot laser processing system | |
| CN1056551C (en) | Machine tool structure with dioctahedral frame virtual shaft | |
| CN216275225U (en) | Multi-dimensional motion synthesis mechanism for modular cable expansion compensation device along with bridge | |
| CN207188530U (en) | A kind of modularization enclosed type rear material stopping device for bending machine | |
| CN215098495U (en) | Supporting device for brick pile packaging | |
| CN106644435A (en) | Flexible adjustable device for container lateral stiffness test |
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 | ||
| GR01 | Patent grant |