CN212404847U - Tower top sliding frame device for erecting aerial suspension cable - Google Patents
Tower top sliding frame device for erecting aerial suspension cable Download PDFInfo
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- CN212404847U CN212404847U CN202020602805.4U CN202020602805U CN212404847U CN 212404847 U CN212404847 U CN 212404847U CN 202020602805 U CN202020602805 U CN 202020602805U CN 212404847 U CN212404847 U CN 212404847U
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Abstract
The utility model relates to a top of tower balladeur train device for erectting aerial suspension cable belongs to cable construction technical field, includes: the two slide way beams are parallel to each other and arranged at intervals, and a plurality of positioning holes are formed in the slide way beams and are arranged at intervals along the length direction of the slide way beams; the steel truss is positioned at the top of the slideway beam and comprises a bottom truss and an upper truss, the upper truss is vertically welded at the top of the bottom truss, sliding grooves are respectively formed in two sides of the bottom truss, the bottom truss is connected with the slideway beam in a sliding mode through the sliding grooves, and positioning pins connected with the positioning holes are arranged on the sliding grooves; the pulley blocks are arranged on the plurality of groups of pulley blocks, the pulley blocks are welded on the bottom truss and the upper truss, and the pulley blocks are used for providing motion guidance for the aerial suspension cable. The tower top sliding frame device only needs to be matched with one set of traction facilities to install and anchor the aerial suspension cable, the working difficulty is reduced, and the installation efficiency is improved.
Description
Technical Field
The application relates to the technical field of cable construction, in particular to a tower top sliding frame device for erecting an aerial suspension cable.
Background
When the cable of a towering tower space truss or a suspension bridge is dragged, the stability, safety and controllability of the cable erection, traction and anchoring device are very important to the construction progress and the construction quality of the engineering.
In the process of towing the cable of a space truss of a high-rise tower or a suspension bridge engineering, the cable saddle structure is fixed on the top of the tower and cannot be moved, a plurality of towing devices or one towing device is required to be mounted and demounted for multiple times to replace construction positions for mounting a large number of cables, a large number of towing facilities are required to be invested in the method, the workload is large, and the mounting efficiency is low.
Disclosure of Invention
The embodiment of the application provides a top of tower balladeur train device for erectting aerial suspension cable to the installation and the construction of cable need invest a large amount of facilities that pull among the solution prior art, and work load is big, and the installation effectiveness is low not enough.
The embodiment of the application provides a top of tower balladeur train device for erectting aerial suspension cable, includes:
the two slide way beams are parallel to each other and arranged at intervals, a plurality of positioning holes are formed in the slide way beams, and the plurality of positioning holes are arranged at intervals along the length direction of the slide way beams;
the steel truss is positioned at the top of the slideway beam and comprises a bottom truss and an upper truss, the upper truss is vertically welded at the top of the bottom truss, sliding grooves are respectively arranged on two sides of the bottom truss, the bottom truss is connected with the slideway beam in a sliding mode through the sliding grooves, and positioning pins connected with positioning holes are arranged on the sliding grooves;
the pulley block, the pulley block is equipped with the multiunit, all weld the pulley block on bottom truss and the upper truss, the pulley block is used for providing the motion direction for aerial suspension cable.
In some embodiments: the slide roof beam includes two I-steel that are parallel to each other and the interval sets up, and the welding has upper junction plate and lower connecting plate between two I-steel, the top surface of upper junction plate flushes with the top of I-steel, the bottom surface of lower connecting plate flushes with the bottom of I-steel, the locating hole is seted up on the web of I-steel.
In some embodiments: the top of the I-shaped steel and the top of the upper connecting plate are covered with stainless steel plates, stiffening plates are welded on the side walls of the I-shaped steel, and the bottom of the I-shaped steel and the bottom of the lower connecting plate are fixedly connected with the tower frame.
In some embodiments: the bottom truss comprises two lower cross beams which are parallel to each other and are arranged at intervals and two longitudinal beams which are parallel to each other and are arranged at intervals, the two lower cross beams and the two longitudinal beams are connected end to form a rectangular frame structure, the sliding groove is located in the bottom of the two longitudinal beams, a plurality of stiffening beams are connected between the two lower cross beams in a welding mode, and the tops of the two longitudinal beams are all welded with the pulley block.
In some embodiments: the upper truss comprises two vertical beams which are parallel to each other and are arranged at intervals and two upper cross beams which are parallel to each other and are arranged at intervals, the two upper cross beams and the two vertical beams are connected end to form a rectangular frame structure, the two vertical beams are connected with the bottom truss in a vertical welding mode, and the tops of the two vertical beams are welded with the pulley block.
In some embodiments: the stiffening plate is welded at the joint between the vertical beam and the bottom truss, and a plurality of stiffening beams are welded between the two upper cross beams.
In some embodiments: the spout includes two trompil steel sheets that are parallel to each other and the interval sets up, the bottom welded connection of trompil steel sheet and end truss, the trompil steel sheet is parallel with the slide roof beam, the slide roof beam is located between two trompil steel sheets, the bolt hole has been seted up on the trompil steel sheet, the locating pin is pegged graft in the bolt hole, the welding of trompil steel sheet and end truss's junction has stiffening rib, stiffening rib is located the outside of trompil steel sheet.
In some embodiments: the pulley block comprises a pulley and a pulley supporting seat, the pulley is connected with the pulley supporting seat through a pin shaft, a mounting hole penetrating the pin shaft is formed in the pulley supporting seat, and the pulley sleeve is rotatably connected with the pulley supporting seat on the pin shaft.
In some embodiments: the pulley supporting seat comprises two pulley baffles which are parallel to each other and arranged at intervals, the pulley is located between the two pulley baffles, the mounting holes are formed in the two pulley baffles, the bottoms of the pulley baffles are connected with the bottom truss or the upper truss in a welded mode, and the reinforcing plates are welded on the outer sides of the pulley baffles.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a tower top sliding frame device for erecting an aerial suspension cable, and the tower top sliding frame device is provided with a slideway beam, a steel truss and a pulley block. The slide roof beam is equipped with two, and two slide roof beams are parallel to each other and the interval sets up, has seted up a plurality of locating holes on the slide roof beam, and a plurality of locating holes set up along the length direction interval of slide roof beam. The steel truss is located the top of slide roof beam, and the steel truss includes end truss and last truss, is equipped with the spout respectively in the bottom both sides of end truss, and end truss passes through spout and slide roof beam sliding connection, is equipped with the locating pin of being connected with the locating hole on the spout. The pulley blocks are welded on the bottom truss and the upper truss and used for providing motion guidance for the aerial suspension cable.
Therefore, when the overhead cable is erected, the steel truss can move on the slideway beam along the length direction of the slideway beam according to the anchoring position of the overhead cable, and the overhead cable can be anchored on the tower. The sliding groove and the sliding rail beam are connected through the positioning pin, so that the steel truss can be conveniently moved and positioned, the steel truss can be disassembled after construction is completed, and the main structure is not affected. The tower top sliding frame device does not need to adopt a plurality of traction facilities or one traction facility to be mounted and dismounted for a plurality of times to realize the mounting of a large number of aerial suspension cables, and the tower top sliding frame device only needs to be matched with one set of traction facility to mount and anchor the aerial suspension cables, so that the working difficulty is reduced, and the mounting efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a front view of the structure of an embodiment of the present application;
FIG. 2 is a top view of a structure according to an embodiment of the present application;
FIG. 3 is a left side view of the structure of an embodiment of the present application;
FIG. 4 is a structural left side view of a skid beam of an embodiment of the present application;
FIG. 5 is a front view of the structure of the skid beam of the embodiment of the present application;
FIG. 6 is a schematic structural view of a steel truss and a pulley block according to an embodiment of the present application;
FIG. 7 is a front view of the structure of a steel truss according to an embodiment of the present application;
fig. 8 is a structural plan view of a steel truss according to an embodiment of the present invention.
Reference numerals:
100-slideway beam, 101-positioning hole, 102-I-steel, 103-upper connecting plate, 104-lower connecting plate, 105-stainless steel plate and 106-stiffening plate;
200-steel truss, 210-bottom truss, 211-longitudinal beam, 212-lower cross beam, 220-upper truss, 221-vertical beam, 222-upper cross beam, 223-stiffening beam, 230-sliding chute, 231-perforated steel plate and 232-stiffening rib;
300-a pulley block, 310-a pulley support seat, 320-a pulley, 330-a pin shaft, 400-a tower and 500-a positioning pin.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a top of tower balladeur train device for erectting aerial suspension cable, and it can solve installation and construction of cable among the prior art and need invest a large amount of facilities that pull, and work load is big, and the problem that the installation effectiveness is low.
Referring to fig. 1 to 3 and 6, an embodiment of the present application provides a tower top carriage apparatus for erecting an aerial suspension cable, including:
the slide way beam 100 is provided with two slide way beams 100, the two slide way beams 100 are parallel to each other and are arranged at intervals, a plurality of positioning holes 101 are formed in the slide way beam 100, and the plurality of positioning holes 101 are arranged at intervals along the length direction of the slide way beam 100.
The steel truss 200 is positioned at the top of the slideway beam 100, the steel truss 200 comprises a bottom truss 210 and an upper truss 220, and the upper truss 200 is vertically welded at the top of the bottom truss 210; the bottom truss 210 is provided with sliding grooves 230 on both sides of the bottom thereof, the bottom truss 210 is slidably connected to the chute beams 100 through the sliding grooves 230, and the sliding grooves 230 are provided with positioning pins 500 connected to the positioning holes 101.
The pulley block 300 is provided with a plurality of groups, the pulley block 300 is welded on the bottom truss 210 and the upper truss 220, and the pulley block 300 is used for providing motion guidance for the aerial suspension cable.
When the overhead cable is installed in the tower top carriage apparatus, the steel truss 200 can be moved on the chute beam 100 in the longitudinal direction of the chute beam 100 according to the anchoring position of the overhead cable, and the overhead cable can be anchored to the tower 400. The sliding groove 230 is connected with the slideway beam 100 by the positioning pin 500, so that the steel truss 200 can be conveniently moved and positioned, the steel truss 200 can be disassembled after construction is completed, and the main structure is not influenced. The tower top sliding frame device does not need to adopt a plurality of traction facilities or one traction facility to be mounted and dismounted for a plurality of times to realize the mounting of a large number of aerial suspension cables, and the tower top sliding frame device only needs to be matched with one set of traction facility to mount and anchor the aerial suspension cables, so that the working difficulty is reduced, and the mounting efficiency is improved.
In some alternative embodiments: referring to fig. 4 and 5, the embodiment of the present application provides a tower top carriage device for erecting an aerial suspension cable, a chute beam 100 of the tower top carriage device comprises two i-beams 102 arranged in parallel and at an interval, an upper connecting plate 103 and a lower connecting plate 104 are welded between the two i-beams 102, the top surface of the upper connecting plate 103 is flush with the tops of the i-beams 102, the bottom surface of the lower connecting plate 104 is flush with the bottoms of the i-beams 102, and a positioning hole 101 is formed in the web of the i-beams 102.
In some alternative embodiments: referring to fig. 7 and 8, in an embodiment of the present application, a tower top carriage device for erecting an aerial suspension cable is provided, a bottom truss 210 of the tower top carriage device includes two lower cross beams 212 arranged in parallel and at an interval and two longitudinal beams 211 arranged in parallel and at an interval, and the two lower cross beams 212 and the two longitudinal beams 211 are connected end to enclose a rectangular frame structure. The sliding grooves 230 are located at the bottoms of the two longitudinal beams 211, a plurality of stiffening beams 223 are welded between the two lower cross beams 212, and the stiffening beams 223 are used for enhancing the structural strength of the bottom truss 210. Two groups of pulley blocks 300 are welded on the two longitudinal beams 211, and the pulley blocks 300 are welded on the two longitudinal beams 211 and used for providing motion guidance for the traction cable and the main cable.
In some alternative embodiments: referring to fig. 7 and 8, an embodiment of the present application provides a tower top carriage device for erecting an aerial suspension cable, an upper truss 220 of the tower top carriage device includes two vertical beams 221 arranged in parallel and at an interval and two upper cross beams 222 arranged in parallel and at an interval, and the two upper cross beams 222 and the two vertical beams 221 are connected end to form a rectangular frame structure. The two vertical beams 221 are vertically welded with the bottom truss 210, the pulley blocks 300 are welded on the tops of the two vertical beams 221, the pulley blocks 300 positioned on the tops of the two vertical beams 221 are used for providing support and motion guidance for the bearing cable, and the traction cable pulls the main cable to move on the bearing cable.
The stiffening plates 106 are welded at the joints between the vertical beams 221 and the bottom trusses 210, and the stiffening plates 106 are used for enhancing the connection strength between the vertical beams 221 and the bottom trusses 210. A plurality of stiffening beams 223 are welded between the two upper cross beams 222, and the plurality of stiffening beams 223 are used for enhancing the structural strength of the upper truss 220.
In some alternative embodiments: referring to fig. 6 and 7, in an embodiment of the present invention, a tower top carriage device for erecting an air suspension cable is provided, and a sliding chute 230 of the tower top carriage device includes two perforated steel plates 231 arranged in parallel and at an interval, and the perforated steel plates 231 are welded to the bottom of the bottom truss 210. The perforated steel plates 231 are parallel to the chute beam 100, the chute beam 100 is located between the two perforated steel plates 231, and the sliding grooves 230 provide a limit and a guide for the linear movement of the steel truss 200 on the chute beam 100.
Bolt holes are formed in the perforated steel plate 231, the positioning pins 500 are inserted into the bolt holes, and the steel truss 200 is positioned by inserting the positioning pins 500 into the positioning holes 101 and the bolt holes and the slideway beam 100. The stiffening rib 232 is welded at the connection position of the perforated steel plate 231 and the bottom truss 210, the stiffening rib 232 is located on the outer side of the perforated steel plate 231, and the stiffening rib 232 is used for enhancing the structural strength of the connection of the perforated steel plate 231 and the bottom truss 210.
In some alternative embodiments: referring to fig. 3 and 6, the pulley block 300 of the tower top carriage device for erecting an aerial suspension cable according to the embodiment of the present invention includes a pulley 320 and a pulley support seat 310, and the pulley 320 is connected to the pulley support seat 310 by a pin 330. The pulley support seat 310 is provided with a mounting hole for inserting the pin shaft 330, and the pulley 320 is sleeved on the pin shaft 330 and rotatably connected with the pulley support seat 310.
The pulley supporting seat 310 comprises two pulley baffles which are parallel to each other and arranged at intervals, the pulley 320 is located between the two pulley baffles, mounting holes are formed in the two pulley baffles, the bottom of each pulley baffle is in welded connection with the bottom truss 210 or the upper truss 220, and the reinforcing plates 106 are welded on the outer sides of the pulley baffles.
Principle of operation
The embodiment of the application provides a tower top sliding frame device for erecting an aerial suspension cable, and the tower top sliding frame device is provided with a slideway beam 100, a steel truss 200 and a pulley block 300. The two slideway beams 100 are arranged, the two slideway beams 100 are parallel to each other and are arranged at intervals, and the two slideway beams 100 provide motion guidance for the steel truss 200. A plurality of positioning holes 101 are formed in the slideway beam 100, the positioning holes 101 are arranged at intervals along the length direction of the slideway beam 100, and the positioning holes 101 are used for positioning the steel truss 200 on the slideway beam 100. The steel truss 200 is located at the top of the slideway beam 100, the steel truss 200 comprises a bottom truss 210 and an upper truss 220, sliding grooves 230 are respectively arranged at two sides of the bottom truss 210, the bottom truss 210 is connected with the slideway beam 100 in a sliding mode through the sliding grooves 230, and the sliding grooves 230 provide limiting and guiding for the steel truss 200 to move linearly on the slideway beam 100. The sliding groove 230 is provided with a positioning pin 500 connected with the positioning hole 101, and the positioning pin 500 is inserted into the positioning hole 101 to fix and position the steel truss 200. The pulley blocks 300 are welded on the bottom truss 210 and the upper truss 220, and the pulley blocks 300 are used for providing motion guidance for aerial suspension cable installation and anchoring.
When the overhead cable is erected in the tower top carriage device, the steel truss 200 can be moved and positioned on the slideway beam 100 along the length direction of the slideway beam 100 according to the anchoring position of the overhead cable, so that the overhead cable is anchored on the tower 400. The sliding groove 230 is connected with the slideway beam 100 by the positioning pin 500, so that the steel truss 200 can be conveniently moved and positioned, the steel truss 200 can be disassembled after construction is completed, and the main structure is not influenced. The tower top sliding frame device does not need to adopt a plurality of traction facilities or one traction facility to be mounted and dismounted for a plurality of times to realize the mounting of a large number of aerial suspension cables, and the tower top sliding frame device can be mounted and anchored with only one traction facility, so that the working difficulty is reduced, and the mounting efficiency is improved.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are 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 apparatus 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 apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A tower top carriage apparatus for erecting an aerial catenary, comprising:
the slide way beam (100) is provided with two slide way beams (100), the two slide way beams (100) are parallel to each other and are arranged at intervals, a plurality of positioning holes (101) are formed in the slide way beam (100), and the positioning holes (101) are arranged at intervals along the length direction of the slide way beam (100);
the steel truss (200) is positioned at the top of the slideway beam (100), the steel truss (200) comprises a bottom truss (210) and an upper truss (220), the upper truss (220) is vertically welded at the top of the bottom truss (210), sliding grooves (230) are respectively formed in two sides of the bottom truss (210), the bottom truss (210) is in sliding connection with the slideway beam (100) through the sliding grooves (230), and positioning pins (500) connected with the positioning holes (101) are arranged on the sliding grooves (230);
the pulley block (300), the pulley block (300) is equipped with the multiunit, all weld on end truss (210) and upper truss (220) pulley block (300), pulley block (300) are used for providing the motion direction for the aerial suspension cable.
2. An overhead carriage assembly for erecting an aerial catenary as claimed in claim 1 wherein:
the slideway beam (100) comprises two I-shaped steels (102) which are parallel to each other and arranged at intervals, an upper connecting plate (103) and a lower connecting plate (104) are welded between the two I-shaped steels (102), the top surface of the upper connecting plate (103) is flush with the tops of the I-shaped steels (102), the bottom surfaces of the lower connecting plates (104) are flush with the bottoms of the I-shaped steels (102), and positioning holes (101) are formed in webs of the I-shaped steels (102).
3. An overhead carriage assembly for erecting an aerial catenary as claimed in claim 2 wherein:
stainless steel plates (105) cover the tops of the I-shaped steel (102) and the upper connecting plate (103), stiffening plates (106) are welded on the side walls of the I-shaped steel (102), and the bottom of the I-shaped steel (102) and the bottom of the lower connecting plate (104) are fixedly connected with a tower (400).
4. An overhead carriage assembly for erecting an aerial catenary as claimed in claim 1 wherein:
the bottom truss (210) comprises two lower cross beams (212) which are parallel to each other and are arranged at intervals and two longitudinal beams (211) which are parallel to each other and are arranged at intervals, the two lower cross beams (212) and the two longitudinal beams (211) are connected end to form a rectangular frame structure, the sliding groove (230) is located at the bottom of the two longitudinal beams (211), a plurality of stiffening beams (223) are connected between the two lower cross beams (212) in a welded mode, and the tops of the two longitudinal beams (211) are all welded to the pulley block (300).
5. An overhead carriage assembly for erecting an aerial catenary as claimed in claim 1 wherein:
go up truss (220) including two perpendicular roof beams (221) that are parallel to each other and the interval sets up and two entablature (222) that are parallel to each other and the interval sets up, two entablature (222) and two perpendicular roof beams (221) end to end connection enclose into rectangular frame structure, two perpendicular roof beams (221) and end truss (210) perpendicular welded connection, the top of two perpendicular roof beams (221) all welds assembly pulley (300).
6. An overhead carriage assembly for erecting an aerial catenary as claimed in claim 5 wherein:
the stiffening plate (106) is welded at the joint between the vertical beam (221) and the bottom truss (210), and a plurality of stiffening beams (223) are welded between the two upper cross beams (222).
7. An overhead carriage assembly for erecting an aerial catenary as claimed in claim 1 wherein:
spout (230) are including two trompil steel sheets (231) that are parallel to each other and the interval sets up, trompil steel sheet (231) and the bottom welded connection of end truss (210), trompil steel sheet (231) are parallel with slide roof beam (100), slide roof beam (100) are located between two trompil steel sheets (231), the bolt hole has been seted up on trompil steel sheet (231), locating pin (500) are pegged graft at the bolt downthehole, the welding of trompil steel sheet (231) and the junction of end truss (210) has stiffening rib (232), stiffening rib (232) are located the outside of trompil steel sheet (231).
8. An overhead carriage assembly for erecting an aerial catenary as claimed in claim 1 wherein:
the pulley block (300) comprises a pulley (320) and a pulley supporting seat (310), the pulley (320) is connected with the pulley supporting seat (310) through a pin shaft (330), a mounting hole for penetrating the pin shaft is formed in the pulley supporting seat (310), and the pulley (320) is sleeved on the pin shaft (330) and is rotatably connected with the pulley supporting seat (310).
9. An overhead carriage assembly for erecting an aerial catenary as claimed in claim 8 wherein:
pulley supporting seat (310) are including two pulley baffles that are parallel to each other and the interval sets up, pulley (320) are located between two pulley baffles, all seted up on two pulley baffles the mounting hole, the bottom and end truss (210) or last truss (220) welded connection of pulley baffle, outside welding stiffening plate (106) of pulley baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020602805.4U CN212404847U (en) | 2020-04-21 | 2020-04-21 | Tower top sliding frame device for erecting aerial suspension cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020602805.4U CN212404847U (en) | 2020-04-21 | 2020-04-21 | Tower top sliding frame device for erecting aerial suspension cable |
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| CN212404847U true CN212404847U (en) | 2021-01-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892525A (en) * | 2022-05-12 | 2022-08-12 | 中国水利水电第十四工程局有限公司 | Cable hoisting system detains compound pylon of cable unification |
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2020
- 2020-04-21 CN CN202020602805.4U patent/CN212404847U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892525A (en) * | 2022-05-12 | 2022-08-12 | 中国水利水电第十四工程局有限公司 | Cable hoisting system detains compound pylon of cable unification |
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