CN203034364U - Flexibility compensation device of bridge cable - Google Patents
Flexibility compensation device of bridge cable Download PDFInfo
- Publication number
- CN203034364U CN203034364U CN 201320016149 CN201320016149U CN203034364U CN 203034364 U CN203034364 U CN 203034364U CN 201320016149 CN201320016149 CN 201320016149 CN 201320016149 U CN201320016149 U CN 201320016149U CN 203034364 U CN203034364 U CN 203034364U
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- cable
- compensation device
- track
- gap bridge
- flexible compensation
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Abstract
The utility model discloses a flexibility compensation device of a bridge cable. The device comprises a fixing part, a moving part and more than one sliding trolleys, wherein the fixing part and the moving part are arranged on two sides of a bridge seam, the fixing part comprises a support, the moving part comprises a track which has more than one section connected at intervals and in series and even groups of parallelogram four-rod mechanisms which are arranged sequentially back and forth, the track is a double track and arranged at intervals, sliding trolleys are supported on the track sequentially, the last group of parallelogram four-rod mechanisms is arranged on a rear fixing seat, other groups of parallelogram four-rod mechanisms are arranged on sliding trolleys, a folded corner device is arranged between the fixing part and the moving part, one end of the folded corner device is connected to the fixing part, and the other end of the folded corner device is connected to sliding trolleys of the moving part. The device is simple in structure, convenient to install, reliable and capable of achieving the whole compensation.
Description
Technical field
The utility model relates to a kind of cable flexible compensation device, particularly a kind of gap bridge cable flexible compensation device.
Background technology
The residing environment temperature of bridge with and load external conditions such as an operation of getting on the bus, wind, earthquake, can make the railway carriage or compartment beam of bridge produce flexible and distortion, thereby make the cable on the bridge that is laid in also and then produce dilatation.If cable flexible do not absorbed and compensate, cable will produce bending or bear excessive tension force because of excessive bending.This situation repeated multiple times takes place, and will cause cable to rupture.Therefore need compensate the flexible of cable, the compensation of adopting is at present mainly adopted snake laying stretching with the reply bridge with cable at bridge, its specific practice is: adopt big horizontal snake laying in the middle of the bridge, the device of the flexible compensation that is used for absorbing the cable telescopic variation is installed on the bridge expanssion joint both sides.But adopt horizontal snake laying compensation, compensation rate is limited on the one hand, on the other hand because the railway carriage or compartment beam of bridge is not only producing flexible and distortion along the pontic horizontal direction, and can make dislocation or the knuckle that produces vertical direction between the beam railway carriage or compartment, so the level compensation fundamentally solves the flexible problem of cable; Simultaneously, that existing gap bridge power cable flexible compensation device is installed is comparatively complicated, it is bigger to take the bridge installing space, and difficulty is bigger during the cable laying construction.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, and provides a kind of can stretching to cable to carry out a kind of gap bridge cable flexible compensation device comprehensive compensation, simple in structure.
A kind of gap bridge cable flexible compensation device, including two parts constitutes, constituted by the fixed part and the movable part that are divided into bridge seam both sides, described fixed part includes support, described movable part includes the track of the interval series splicing more than a section, described track is spaced double track, include the coaster more than an one, coaster is supported on the track successively and moves reciprocatingly along track, the parallelogram four-bar mechanism of the even number set that is arranged in order before and after described movable part also includes, the parallelogram four-bar mechanism of last group is arranged on the holder of rear portion, the parallel four limit row four-bar mechanisms of all the other groups are arranged on the coaster, the parallelogram four-bar mechanism of each group includes a pair of parallel four limit row four-bar mechanisms of the motion unanimity of symmetric arrays, the plane of movement of parallelogram four-bar mechanism is along the trend of track, arrange and be articulated in the same side of coaster or holder before and after two side links of each parallel four limit row four-bar mechanism, the parallel four limit row four-bar mechanisms of even number set are formed a cover in twos, the motion that parallel four limit row four-bar mechanisms in every suit are done in opposite directions or deviated from mutually, parallel four limit row four-bar mechanisms, the two adjacent side links of group stretch out before and after in every suit, the extension of front and back group two symmetries is hinged on the same turning cylinder, described extension pin joint is higher than parallel four limit row four-bar mechanism connecting rods, described turning cylinder extends arrangement along the cross-sectional direction of track, described gap bridge cable flexible compensation device also includes the cable hunting gear suitable with parallel four limit row four-bar mechanism group numbers, each cable hunting gear includes the fixed mount for the attached cable anchor clamps, this fixed mount is arranged along the track cross-section direction, on fixed mount, be provided with the fixing hole that is used for fixing a plurality of cable cleats of many groups along the place of trend of track cross-section, described fixed mount is arranged at the pin joint place that parallel four limit row four-bar mechanisms are not done side link and the connecting rod of extension, cable also is arranged on the coaster by cable cleat, be provided with dog-ear device between the fixed part of gap bridge cable flexible compensation device and the movable part, one end of described dog-ear device is connected on the fixed part, and the other end then is connected with coaster on the movable part.
The gap bridge cable flexible compensation device of this structure, the parallel four limit row four-bar mechanisms of every cover of its movable part constitute an arch mechanism, a plurality of arches that the parallelogram four-bar mechanism that is overlapped by even number constitutes are serially connected, in use, fixed part and movable part are installed on the Liang Xiangchu that bridge stitches both sides respectively, utilize dog-ear device that fixed part and movable part are interconnected, erecting cable is on fixed part and movable part, cable utilizes cable cleat to fix at the coaster of movable part, then utilize the cable hunting gear that its parallel four limit row four-bar mechanisms with the front and back group are fixing to move in company with parallel four limit row four-bar mechanisms on the parallel four limit row four-bar mechanisms of front and back group, the parallelogram four-bar mechanism then is connected to follow the coaster motion with coaster.When bridge is subjected to external influence generation telescopic variation, then driving the fixed part of coupled compensation arrangement and the relative position between the movable part changes, thereby drive the dog-ear device motion, the dog-ear device of motion drives coupled coaster motion again, drive parallel four limit row four-bar mechanism motions by coaster, follow parallel four limit row four-bar mechanisms and move together thereby drive the cable set up thereon, thereby realize the compensation of cable.This cable of the present utility model is followed the compensation way that parallel four limit row four-bar mechanisms are done exercises, compared with prior art the utlity model has simple in structure, framework is firm, can both use in the space of spaciousness or in long and narrow space no matter be, and whole device operates steadily, cable and framework do not have relative motion, and device has taken into full account distortion that bridge causes because of flexible, vibration etc. to the influence of structural stability, and realizes the flexible full compensation of cable.Simultaneously, have simple in structure, cost is low, install and safeguard convenient, space hold is little, cable laying is convenient, the reliability advantages of higher.
Described gap bridge cable flexible compensation device also includes auxiliary liftable supporter, the centre of two groups of parallel four limit row four-bar mechanisms before and after described assistance for lifting bracing or strutting arrangement is arranged at, described assistance for lifting bracing or strutting arrangement includes two groups of symmetric arrays, each group is by cross arrangement, two hinged rod members of crosspoint constitute, the lower end of two rod members is provided with roller, two rollers support and orbit, the upper end of two rod members then respectively two side links adjacent with the two groups of parallelogram four-bar mechanisms in front and back be hinged, described track or share track section with coaster, or an independently track is set in addition again.
In gap bridge cable flexible compensation device, add auxiliary lifting devices, can improve the stability of whole device.
Described gap bridge cable flexible compensation device also includes spring compensator, and described spring compensator is arranged on the turning cylinder of parallelogram four-bar mechanism side link extension pin joint.
Add spring compensator, can guarantee that cable and flexible compensation device move cable to be compensated when inconsistent.
Described spring compensator comprises that gripper shoe and cable cleat fixed head constitute, cable cleat fixed head and gripper shoe are for being spaced up and down, interval between cable cleat fixed head and the gripper shoe is fixed in spring compensator on the turning cylinder of parallelogram four-bar mechanism side link extension hinged place, cable cleat is installed on the top of cable cleat fixed head, in gripper shoe a plurality of sleeves that is used for mounting spring is arranged fixedly, spring is arranged at the inner chamber of sleeve, the lower surface of spring spindle is supported on the upper surface of spring, and the upper end of spring spindle links to each other with the carrying cable anchor clamps with the cable cleat fixed head.
The spring compensator of this structure in use, is fixed in this spring compensator on the turning cylinder of parallelogram four-bar mechanism side link extension hinged place, and with in the middle of the cable setting cable cleat thereon.The cable cleat fixed head is installed on the upper end of spring spindle, just making the cable cleat fixed head can follow push rod does and pumps, thereby drive the cable cleat motion, to realize little compensation of cable, this spring compensator, have simple in structurely, processing, easy for installation can adapt to the cable that causes because of reasons such as the processing of cable flexible compensation device, alignment errors and flexible compensation device and move and cable is compensated when inconsistent.
Push rod periphery above sleeve can be carried out spacing with the operation to push rod by sheathed axle sleeve.
Described gap bridge cable flexible compensation device also includes spacing stopping means is carried out in the motion of parallelogram four-bar mechanism, described stopping means includes the limited block that is provided with slotted hole thereon, this limited block upper end is set on the turning cylinder at row four-bar mechanism side link extension pin joint place, parallel four limit, slotted hole is the upper and lower formula to be arranged, and the bearing pin of the pin joint of the rod member of the cross arrangement of assistance for lifting bracing or strutting arrangement extend in the slotted hole of stopping means.
This stopping means is followed the parallelogram four-bar mechanism and is moved up and down, and by limiting the movement position of auxiliary lifting devices, further limits the theoretical position up and down of parallel four limit row four-bar mechanisms.
Described dog-ear device is for adopting the universal joint linkage.
Described universal joint linkage includes and is fixed in cable flexible compensation device fixed part support place and supratrochlear universal joint, connecting rod, described connecting rod constitutes by two sections, inner chamber in the butt end of two sections connecting rods is provided with positive and negative pitch thread, also comprise one section screw rod, the screw thread at these screw rod two ends is positive and negative pitch thread, use matches with the screw thread of the connecting rod inner chamber of correspondent section, but one section mode of rotating with horizontal direction in the connecting rod is connected on the universal joint, but on the universal joint that mode is connected in coaster links to each other that another in the connecting rod section then rotates with horizontal direction, described universal joint can be around the fixed part support, coaster is fixed on the fixed part support along the mode that vertical plane rotates.
The dog-ear device of this structure, because connecting rod is adopted two sections formations, and positive and negative pitch thread is set within it, therefore can realize axially relatively rotating of two sections connecting rods, connecting rod adopts and can be connected around the mode that horizontal direction is rotated and universal joint is connected on fixed part support and the coaster along the mode that vertical plane rotates with universal joint simultaneously, thereby when the dislocation between the railway carriage or compartment beam of pontic seam crossing, distortion and flexible, above-mentioned knuckle system is rigid body, and the knuckle system can digest and assimilate above-mentioned distortion.
The positive and negative pitch thread of the inner chamber setting of described two sections connecting rods is for being embedded with the nut of positive and negative tooth at inner chamber.
The pin joint place of each part of gap bridge cable flexible compensation device is provided with the axle sleeve that alleviates the wearing and tearing of pin joint place.
In sum, the utility model following advantage compared to existing technology:
Gap bridge cable flexible compensation device of the present utility model has simple in structurely, easy for installation, and the reliability height can be realized the advantage of comprehensive compensation.
Description of drawings
Fig. 1 is the structural representation of gap bridge cable flexible compensation device of the present utility model.
Fig. 2 is Fig. 1 vertical view.
Fig. 3 is Fig. 1 left view.
Fig. 4 is the schematic diagram of assistance for lifting bracing or strutting arrangement.
Fig. 5 is the structural representation of spring compensator.
Fig. 6 carries out spacing stopping means schematic diagram to parallel four limit row four-bar mechanisms.
Fig. 7 is the structural representation of dog-ear device.
Fig. 8 is the A place enlarged drawing of Fig. 7.
Fig. 9 is the stereogram of gap bridge power cable flexible compensation device of the present utility model.
Figure 10 is cable fixed mount schematic diagram.
The specific embodiment
Be described in more detail below in conjunction with the utility model of embodiment.
Embodiment 1
A kind of gap bridge cable flexible compensation device shown in Fig. 1-10, including two parts constitutes, constituted by the fixed part 1 and the movable part 2 that are divided into bridge seam both sides, described fixed part includes support 11, described movable part includes the track 21 of the interval series splicing more than a section, described track is spaced double track, include the coaster 22 more than an one, coaster is supported on the track successively and moves reciprocatingly along track, the parallelogram four-bar mechanism of the even number set that is arranged in order before and after described movable part also includes, first group parallel four limit row four-bar mechanisms are arranged on the coaster, the parallelogram four-bar mechanism 23 of last group is arranged on the holder of rear portion, the parallelogram four-bar mechanism of each group includes a pair of parallel four limit row four-bar mechanisms of the motion unanimity of symmetric arrays, the plane of movement of parallelogram four-bar mechanism is along the trend of track, the same side of coaster or holder 24 is arranged and be articulated in two side links, 231 front and back of each parallel four limit row four-bar mechanism, the parallel four limit row four-bar mechanisms of even number set are formed a cover in twos, the motion that parallel four limit row four-bar mechanisms in every suit are done in opposite directions or deviated from mutually, parallel four limit row four-bar mechanisms, the two adjacent side links of group stretch out before and after in every suit, the extension of front and back group two symmetries is hinged on the same turning cylinder, described extension pin joint is higher than parallel four limit row four-bar mechanism connecting rods 232, described turning cylinder extends arrangement along the cross-sectional direction of track, described gap bridge cable flexible compensation device also includes the cable hunting gear suitable with parallel four limit row four-bar mechanism group numbers, each cable hunting gear 3 includes the fixed mount for the attached cable anchor clamps, this fixed mount is arranged along the track cross-section direction, on fixed mount, be provided with the fixing hole that is used for fixing a plurality of cable cleats 4 of many groups along the place of trend of track cross-section, described fixed mount 31 is arranged at the pin joint place that parallel four limit row four-bar mechanisms are not done side link and the connecting rod of extension, cable also is arranged on the coaster by cable cleat, be provided with dog-ear device 5 between the fixed part of gap bridge cable flexible compensation device and the movable part, one end of described dog-ear device is connected on the fixed part, and the other end then is connected with coaster on the movable part.
Described gap bridge cable flexible compensation device also includes auxiliary liftable supporter 6, the centre of two groups of parallel four limit row four-bar mechanisms before and after described assistance for lifting bracing or strutting arrangement is arranged at, described liftable supporter includes two groups of symmetric arrays, each group is by cross arrangement, two hinged rod members 61 of crosspoint constitute, the lower end of two rod members is provided with roller 62, two rollers support and orbit, the upper end of two rod members then respectively two side links adjacent with the two groups of parallelogram four-bar mechanisms in front and back be hinged, described track or share track section with coaster, or an independently track is being set.
Described gap bridge cable flexible compensation device also includes spring compensator 7, and described spring compensator is arranged on the turning cylinder of parallelogram four-bar mechanism side link extension pin joint.Described spring compensator comprises that gripper shoe and cable cleat fixed head constitute, cable cleat fixed head and gripper shoe are for being spaced up and down, interval between cable cleat fixed head 72 and the gripper shoe 71 is fixed in spring compensator on the turning cylinder of parallelogram four-bar mechanism side link extension hinged place, cable cleat is installed on the top of carrying cable clamp fixing plate, in gripper shoe a plurality of sleeves that is used for mounting spring is arranged fixedly, spring 73 is arranged at the inner chamber of sleeve 74, the lower surface of spring spindle is supported on the upper surface of spring, and the upper end of spring spindle 75 links to each other with the carrying cable anchor clamps with the cable cleat fixed head.The sheathed axle sleeve 76 of push rod periphery above sleeve carries out spacing with the operation to push rod.
Spacing stopping means 8 is carried out in the motion that described gap bridge cable flexible compensation device also includes the parallelogram four-bar mechanism, described stopping means includes the limited block that is provided with slotted hole 81 thereon, this limited block upper end is set on the turning cylinder at row four-bar mechanism side link extension pin joint place, parallel four limit, slotted hole is the upper and lower formula to be arranged, and the bearing pin of the pin joint of the rod member of the cross arrangement of assistance for lifting bracing or strutting arrangement extend in the slotted hole of stopping means.
Described dog-ear device adopts the universal joint linkage.Described universal joint linkage includes the universal joint 51 that is fixed in cable flexible compensation device fixed part support place, connecting rod 52, described connecting rod constitutes by two sections, inner chamber in the butt end of two sections connecting rods is provided with positive and negative pitch thread, also comprise one section screw rod 53, the screw thread at these screw rod two ends is positive and negative pitch thread, use matches with the screw thread of the connecting rod inner chamber of correspondent section, but one section mode of rotating with horizontal direction in the connecting rod is connected on the universal joint, but on the universal joint that mode is connected in coaster links to each other that another in the connecting rod section then rotates with horizontal direction, described universal joint can be around the fixed part support, coaster is fixed on the fixed part support along the mode that vertical plane rotates.The positive and negative pitch thread of the inner chamber setting of described two sections connecting rods is for being embedded with the nut of positive and negative tooth at inner chamber.The pin joint place of each part of gap bridge cable flexible compensation device is provided with the axle sleeve that alleviates the wearing and tearing of pin joint place.
Fixedly form by anchor ear and roller shaft by support for roller, roller, rolling guide, guide supporting base, roller axial location, roller shaft for the coaster of cable compensation arrangement.The special character of roller sliding system is that for ease of installation and maintenance, it is one by bolt that the guide supporting base adopts left and right sides two-part structure, and its base plate has slotted hole on the both direction; Roller axial location 28 is assemblied on the roller shaft up and down by hexagon socket head cap screw by two parts and locks, and axial location can be adjusted as required and pair roller and rectangular shaft are carried out axial location; Roller shaft fixedly anchor ear is divided into two parts up and down, and the lower part has four slotted holes, fixes by bolt and support for roller, and roller shaft is locked by bolt in top.
It is same as the prior art that present embodiment is not stated part.
Claims (10)
1. gap bridge cable flexible compensation device, it is characterized in that: include two parts and constitute, constituted by the fixed part and the movable part that are divided into bridge seam both sides, described fixed part includes support, described movable part includes the track of the interval series splicing more than a section, described track is spaced double track, include the coaster more than an one, coaster is supported on the track successively and moves reciprocatingly along track, the parallelogram four-bar mechanism of the even number set that is arranged in order before and after described movable part also includes, the parallelogram four-bar mechanism of last group is arranged on the holder of rear portion, the parallel four limit row four-bar mechanisms of all the other groups are arranged on the coaster, the parallelogram four-bar mechanism of each group includes a pair of parallel four limit row four-bar mechanisms of the motion unanimity of symmetric arrays, the plane of movement of parallelogram four-bar mechanism is along the trend of track, arrange and be articulated in the same side of coaster or holder before and after two side links of each parallel four limit row four-bar mechanism, the parallel four limit row four-bar mechanisms of even number set are formed a cover in twos, the motion that parallel four limit row four-bar mechanisms in every suit are done in opposite directions or deviated from mutually, parallel four limit row four-bar mechanisms, the two adjacent side links of group stretch out before and after in every suit, the extension of front and back group two symmetries is hinged on the same turning cylinder, described extension pin joint is higher than parallel four limit row four-bar mechanism connecting rods, described turning cylinder extends arrangement along the cross-sectional direction of track, described gap bridge cable flexible compensation device also includes the cable hunting gear suitable with parallel four limit row four-bar mechanism group numbers, each cable hunting gear includes the fixed mount for the attached cable anchor clamps, this fixed mount is arranged along the track cross-section direction, on fixed mount, be provided with the fixing hole that is used for fixing a plurality of cable cleats of many groups along the place of trend of track cross-section, described fixed mount is arranged at the pin joint place that parallel four limit row four-bar mechanisms are not done side link and the connecting rod of extension, cable also is arranged on the coaster by cable cleat, be provided with dog-ear device between the fixed part of gap bridge cable flexible compensation device and the movable part, one end of described dog-ear device is connected on the fixed part, and the other end then is connected with coaster on the movable part.
2. gap bridge cable flexible compensation device according to claim 1, it is characterized in that: described gap bridge cable flexible compensation device also includes auxiliary liftable supporter, the centre of two groups of parallel four limit row four-bar mechanisms before and after described assistance for lifting bracing or strutting arrangement is arranged at, described assistance for lifting bracing or strutting arrangement includes two groups of symmetric arrays, each group is by cross arrangement, two hinged rod members of crosspoint constitute, the lower end of two rod members is provided with roller, two rollers support and orbit, the upper end of two rod members then respectively two side links adjacent with the two groups of parallelogram four-bar mechanisms in front and back be hinged, described track or share track section with coaster, or an independently track is set in addition again.
3. according to any one described gap bridge cable flexible compensation device of claim 1 to 2, it is characterized in that: described gap bridge cable flexible compensation device also includes spring compensator, and described spring compensator is arranged on the turning cylinder of parallelogram four-bar mechanism side link extension pin joint.
4. gap bridge cable flexible compensation device according to claim 3, it is characterized in that: described spring compensator comprises that gripper shoe and cable cleat fixed head constitute, cable cleat fixed head and gripper shoe are for being spaced up and down, interval between cable cleat fixed head and the gripper shoe is fixed in spring compensator on the turning cylinder of parallelogram four-bar mechanism side link extension hinged place, cable cleat is installed on the top of cable cleat fixed head, in gripper shoe a plurality of sleeves that is used for mounting spring is arranged fixedly, spring is arranged at the inner chamber of sleeve, the lower surface of spring spindle is supported on the upper surface of spring, and the upper end of spring spindle links to each other with the carrying cable clamp fixing plate with the cable cleat fixed head.
5. gap bridge cable flexible compensation device according to claim 4, it is characterized in that: the sheathed axle sleeve of push rod periphery above sleeve carries out spacing with the operation to push rod.
6. gap bridge cable flexible compensation device according to claim 1, it is characterized in that: described gap bridge cable flexible compensation device also includes spacing stopping means is carried out in the motion of parallelogram four-bar mechanism, described stopping means includes the limited block that is provided with slotted hole thereon, this limited block upper end is set on the turning cylinder at row four-bar mechanism side link extension pin joint place, parallel four limit, slotted hole is the upper and lower formula to be arranged, and the bearing pin of the pin joint of the rod member of the cross arrangement of assistance for lifting bracing or strutting arrangement extend in the slotted hole of stopping means.
7. gap bridge cable flexible compensation device according to claim 6 is characterized in that: described dog-ear device employing universal joint linkage.
8. gap bridge cable flexible compensation device according to claim 7, it is characterized in that: described universal joint linkage includes and is fixed in cable flexible compensation device fixed part support place and supratrochlear universal joint, connecting rod, described connecting rod constitutes by two sections, inner chamber in the butt end of two sections connecting rods is provided with positive and negative pitch thread, also comprise one section screw rod, the screw thread at these screw rod two ends is positive and negative pitch thread, use matches with the screw thread of the connecting rod inner chamber of correspondent section, but one section mode of rotating with horizontal direction in the connecting rod is connected on the universal joint, but on the universal joint that mode is connected in coaster links to each other that another in the connecting rod section then rotates with horizontal direction, described universal joint can be around the fixed part support, coaster is fixed on the fixed part support along the mode that vertical plane rotates.
9. gap bridge cable flexible compensation device according to claim 8 is characterized in that: the positive and negative pitch thread of the inner chamber setting of described two sections connecting rods is for being embedded with the nut of positive and negative tooth at inner chamber.
10. gap bridge cable flexible compensation device according to claim 1 is characterized in that: the pin joint place of each part of gap bridge cable flexible compensation device is provided with the axle sleeve that alleviates the wearing and tearing of pin joint place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016149 CN203034364U (en) | 2013-01-14 | 2013-01-14 | Flexibility compensation device of bridge cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016149 CN203034364U (en) | 2013-01-14 | 2013-01-14 | Flexibility compensation device of bridge cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203034364U true CN203034364U (en) | 2013-07-03 |
Family
ID=48686500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320016149 Withdrawn - After Issue CN203034364U (en) | 2013-01-14 | 2013-01-14 | Flexibility compensation device of bridge cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203034364U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061257A (en) * | 2013-01-14 | 2013-04-24 | 福建省农业机械化研究所 | Bridge crossing cable expansion and contraction compensation device |
| CN105755955A (en) * | 2016-04-25 | 2016-07-13 | 辽宁昊轩环保设备有限公司 | Unidirectional expansion type horizontal rotating cable expansion device |
-
2013
- 2013-01-14 CN CN 201320016149 patent/CN203034364U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061257A (en) * | 2013-01-14 | 2013-04-24 | 福建省农业机械化研究所 | Bridge crossing cable expansion and contraction compensation device |
| CN103061257B (en) * | 2013-01-14 | 2014-09-17 | 福建省农业机械化研究所 | Bridge crossing cable expansion and contraction compensation device |
| CN105755955A (en) * | 2016-04-25 | 2016-07-13 | 辽宁昊轩环保设备有限公司 | Unidirectional expansion type horizontal rotating cable expansion device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130703 Effective date of abandoning: 20140917 |
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| RGAV | Abandon patent right to avoid regrant |