CN111980392A - Crown block sliding contact line installation device and construction method thereof - Google Patents
Crown block sliding contact line installation device and construction method thereof Download PDFInfo
- Publication number
- CN111980392A CN111980392A CN202010891897.7A CN202010891897A CN111980392A CN 111980392 A CN111980392 A CN 111980392A CN 202010891897 A CN202010891897 A CN 202010891897A CN 111980392 A CN111980392 A CN 111980392A
- Authority
- CN
- China
- Prior art keywords
- frame
- clamping plate
- steel beam
- counterweight
- platform
- 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.)
- Withdrawn
Links
- 238000010276 construction Methods 0.000 title claims abstract description 33
- 238000009434 installation Methods 0.000 title claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
- 239000010959 steel Substances 0.000 claims abstract description 54
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims description 7
- 239000004020 conductor Substances 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/007—Devices and methods for erecting scaffolds, e.g. automatic scaffold erectors
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
- E04G5/045—Means for fastening, supporting, or bracing scaffolds on or against building constructions for fastening scaffoldings on profiles, e.g. I or H profiles
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G2003/283—Mobile scaffolds; Scaffolds with mobile platforms mobile horizontally
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to a mounting device for a trolley conductor of a crown block, which comprises an upper frame, wherein the upper frame is mounted at the top of a steel beam of a building, a sliding wheel is arranged in the middle of the upper frame, a hanging frame is arranged at the left end of the upper frame, and a counterweight structure is arranged at the right end of the upper frame; the hanging frame and the upper frame are fixedly connected into a whole through a steel rod piece, and the hanging frame is arranged on the left side of the building steel beam; the middle of the upper frame is also provided with a clamping plate, the clamping plate is formed by combining a left clamping plate and a right clamping plate, the left clamping plate and the right clamping plate are spliced into a sliding chute matched with a track arranged at the top of a building steel beam, and the construction method of the overhead traveling crane sliding contact line installation device is also related to that the clamping plate at the bottom of the platform frame buckles the track at the top of the steel beam; sliding wheels are symmetrically arranged on two sides of the clamping plate; the upper side of the right end of the platform frame is welded with the counterweight frame, the lower side of the right end is welded with the hanging frame, the hanging frame is perpendicular to the platform frame and is positioned on the left side of the building steel beam, constructors perform construction operation in the hanging frame, and the platform frame is moved through the traction device in the operation process according to the installation progress of the trolley line.
Description
Technical Field
The invention relates to a technology for installing a trolley line of a crown block, in particular to a device for installing the trolley line of the crown block and a construction method thereof.
Background
The trolley line is also called a trolley conductor, and is a group of power transmission devices for supplying power to the mobile equipment. At present, in the construction process of steel-making continuous casting engineering, a monorail crane trolley conductor is one of necessary parts for normal operation of a crane. The installation position of the crane track sliding contact line is generally at a position more than 6 meters away from the ground, and no working platform is arranged around the crane track sliding contact line. In the installation and removal processes of the trolley conductor, the traditional construction process is to independently install or remove the bracket and the trolley conductor, the high-altitude operation time is long, the potential safety hazard is easy to appear in the construction process, and the construction efficiency is not high.
Because the mounting height of hoist track wiping line is high, length is long, near no intrinsic operation platform of high altitude girder steel during installation, prior art provides operation platform for wiping line erection construction and generally has two kinds: the method is characterized in that a construction platform is erected or a movable scaffold is adopted by the aid of the scaffold, installation work is carried out on a working face, a large number of scaffolds need to be erected, steel pipes, fasteners, dense cloth nets, ground covering nets, scaffold boards, labor force and a large number of construction sites need to be used, meanwhile, load checking calculation needs to be carried out on the scaffolds, safety check acceptance needs to be carried out on the scaffolds, and the like, so that construction cost is greatly increased, construction period is prolonged, and construction efficiency is reduced. And secondly, a fixed type hanging frame is adopted, hanging frames hung on the steel beam are fixedly connected to two sides of the high-altitude steel beam, a worker carries out sliding contact line installation in the hanging frame, the hanging frame needs to assist large-scale hoisting equipment to move in the construction process, the operation is troublesome, the construction safety cannot be guaranteed, and the labor cost is increased sharply.
Disclosure of Invention
In order to solve the problems of inconvenient installation of the trolley line and high construction risk coefficient in the prior art, the invention uses a mode of welding the movable hanging frame by steel, and solves the problems of high construction difficulty and high precision requirement of the construction of the trolley line of the overhead travelling crane.
In order to achieve the purpose of the invention, the technical scheme provided by the invention is as follows:
a mounting device for a trolley conductor of a crown block comprises an upper frame, wherein the upper frame is mounted at the top of a steel beam of a building, a sliding wheel is arranged in the middle of the upper frame, a hanging frame is arranged at the left end of the upper frame, and a counterweight structure is arranged at the right end of the upper frame; the hanging frame and the upper frame are fixedly connected into a whole through a steel rod piece, and the hanging frame is arranged on the left side of the building steel beam; the middle of the upper frame is also provided with a clamping plate which is formed by combining a left clamping plate and a right clamping plate, and the left clamping plate and the right clamping plate are spliced into a sliding groove matched with a track arranged at the top of the building steel beam.
This device can be followed the girder steel and slided the trolley line and arrange the route walking, and convenient operation avoids complicated hoist and mount operation, effectively improves the speed of trolley line installation, and the installation is drunk one time, reduces the position correction work of platform repacking, and the work adjustment of installation continues improves the installation accuracy.
The counterweight structure comprises a counterweight block and a counterweight frame, the counterweight block is fixedly connected in the counterweight frame, and the counterweight frame is formed by two angle steels which are fixedly connected with the right end edge of the upper frame and are oppositely arranged.
The counter weight structure comprises a counter weight block, the counter weight block is installed in a counter weight frame, the counter weight frame is installed on the upper frame through a gear rack structure, the counter weight structure further comprises a stepping motor installed in the middle of the upper portion of the upper frame, and the stepping motor is connected with a gear through chain transmission.
An auxiliary frame is fixedly connected below the right end of the upper frame, the auxiliary frame extends towards the web plate of the building steel beam, a translation mechanism is arranged on the auxiliary frame, a balancing weight is installed in a balancing weight frame, and the balancing weight frame is connected with a balancing mechanism.
The invention also provides a construction method of the overhead traveling crane sliding contact line installation device, which comprises the following concrete construction steps:
1) welding a platform frame with the size of 2500mm multiplied by 1000mm by using channel steel;
2) a clamping plate is arranged on the central line of the platform frame, the clamping plate consists of a left clamping plate and a right clamping plate, the left clamping plate is fixedly connected with the platform frame, and the right clamping plate is fixedly connected with the left clamping plate through a bolt; the left clamping plate and the right clamping plate are combined, and a sliding groove between the left clamping plate and the right clamping plate is buckled on a track at the top of the steel beam;
3) pulley fixing seats are symmetrically welded on two sides of the clamping plate, the distance between the fixing seats is set to be 600mm, and then sliding wheels are installed on the fixing seats;
4) two angle steels are welded at the right end edge of the platform frame and at the position 1000mm away from the edge, and are opposite to each other to form a fixing frame for mounting a balancing weight;
5) welding a lifting frame with the height of 1100mm at the left end of the platform frame by using a phi 16 steel bar @100, wherein the lifting frame is vertical to the platform frame and is positioned on the left side of a building steel beam, and constructors perform construction operation in the lifting frame;
6) and according to the installation progress of the trolley line, the platform frame is moved by the traction device in the operation process.
When the method is used for installing the trolley line, the working platform can synchronously move forwards and be pushed along with the installation progress, and workers can continuously install the trolley line in the whole process, so that the working efficiency is high, and the installation precision is high.
Drawings
FIG. 1 is a basic structure of the apparatus;
FIG. 2 is an enlarged view of the structure at point A in FIG. 1;
FIG. 3 is a top view of the upper frame;
FIG. 4 shows the structure of example 2 of the present apparatus.
In the figure: the building steel beam comprises a building steel beam 1, an upper frame 2, a hanging frame 3, a counterweight frame 4, a sliding wheel 5, a track 6, a clamping plate 7, a left clamping plate 7-1, a right clamping plate 7-2, a stepping motor 8, a gear and rack structure 9 and an auxiliary frame 10.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 invention.
As shown in fig. 1-3, a mounting device for a trolley conductor of a crown block comprises an upper frame 2, wherein the upper frame 2 is mounted at the top of a steel beam 1 of a building, a sliding wheel 5 is arranged in the middle of the bottom of the upper frame 2, the left end of the upper frame 2 is fixedly connected with a hanging frame 3 through a steel rod piece, and the right end of the upper frame is provided with a counterweight structure; the hanging frame 3 is arranged on the left side of the building steel beam 1; the middle of the upper frame 2 is also provided with a clamping plate 7, the clamping plate 7 is formed by combining a left clamping plate 7-1 and a right clamping plate 7-2, and the left clamping plate 7-1 and the right clamping plate 7-2 are spliced into a sliding groove matched with a rail 6 arranged at the top of the building steel beam.
The counterweight structure comprises a counterweight block and a counterweight frame 4, and the counterweight block is fixedly connected in the counterweight frame 4. The counterweight frame 4 is composed of two angle steels which are fixedly connected with the right end edge of the upper frame 2 and are oppositely arranged. The staff stands and is heavily weighted when hanging frame 3 construction one side, and counter weight structure can prevent that the focus is not enough to lead to the emergence of incident.
The invention relates to an improvement on a counterweight structure, which comprises a counterweight block, wherein the counterweight block is arranged in a counterweight frame 4, the counterweight frame 4 is arranged on an upper frame 2 through a gear rack structure 9, the counterweight structure also comprises a stepping motor 8 arranged in the middle of the upper part of the upper frame 2, and the stepping motor 8 is in transmission connection with a gear through a chain. The balance weight capable of controlling movement can adjust the balance of the two ends of the upper frame in the construction process.
Still further, as shown in fig. 4, an attached frame 10 is fixedly connected below the right end of the upper frame 2, the attached frame 10 extends towards the web of the building steel beam 1, a translation mechanism is arranged on the attached frame 10, the translation mechanism can be a gear rack structure 9, a counterweight block is arranged in the counterweight frame 4, the counterweight frame 4 is connected with the translation mechanism, and the translation mechanism is still driven by a motor arranged in the middle of the upper part of the upper frame. The auxiliary frame in the structure can buckle the upper wing plate of the steel beam, and when the auxiliary frame is tilted, a hook formed between the auxiliary frame and the upper frame can be clamped on the flange of the steel beam, so that the device is prevented from falling off and safety accidents are avoided. The stepping motor 8 installed at the middle position of the upper frame 2 can enhance the stability of the frame.
The technical scheme of the invention is described in detail by the following specific embodiments:
a method for installing a trolley line of a crown block by using a hoisting frame mainly comprises the following steps:
1) welding a platform frame with the size of 2500mm multiplied by 1000mm by using channel steel;
2) a clamping plate is arranged on the central line of the platform frame, the clamping plate consists of a left clamping plate and a right clamping plate, the left clamping plate is fixedly connected with the platform frame, and the right clamping plate is fixedly connected with the left clamping plate through a bolt; the left clamping plate and the right clamping plate are combined, and a sliding groove between the left clamping plate and the right clamping plate is buckled on a track at the top of the steel beam;
3) pulley fixing seats are symmetrically welded on two sides of the clamping plate, the distance between the fixing seats is set to be 600mm, and then sliding wheels are installed on the fixing seats;
4) two angle steels are welded at the right end edge of the platform frame and at the position 1000mm away from the edge, and are opposite to each other to form a fixing frame for mounting a balancing weight;
5) welding a lifting frame with the height of 1100mm at the left end of the platform frame by using a phi 16 steel bar @100, wherein the lifting frame is vertical to the platform frame and is positioned on the left side of a building steel beam, and constructors perform construction operation in the lifting frame;
6) and according to the installation progress of the trolley line, the platform frame is moved by the traction device in the operation process.
When the platform frame is used, the platform frame stretches across the building steel beam, the clamping plate is connected with the track at the top of the building steel beam, and the pulley runs on the bottom surface of the building steel beam. The cardboard is connected with the track, utilizes the wheel to remove about, improves the efficiency of construction.
When the rigid sliding contact line is installed, constructors can ensure the levelness and verticality requirements of the sliding contact line when standing in the hanging frame for construction, and the installation precision requirement is increased.
The invention has the beneficial effects that: the movable hanging frame welded by steel can walk along the arrangement path of the sliding contact lines on the steel beam, is convenient to operate, avoids complex hoisting operation, effectively improves the installation speed of the sliding contact lines, solves the problems of high construction difficulty and high precision requirement of the construction of the sliding contact lines of the overhead travelling crane, and meets the requirements of quality, progress and economy of the whole construction process.
Claims (5)
1. The utility model provides a crane wiping line installation device, includes the upper ledge, goes up the frame mounting at building girder steel top, goes up the frame and is equipped with movable pulley, characterized by in the middle of the frame: the left end of the upper frame is provided with a hanging frame, and the right end of the upper frame is provided with a counterweight structure; the hanging frame and the upper frame are fixedly connected into a whole through a steel rod piece, and the hanging frame is arranged on the left side of the building steel beam; the middle of the upper frame is also provided with a clamping plate which is formed by combining a left clamping plate and a right clamping plate, and the left clamping plate and the right clamping plate are spliced into a sliding groove matched with a track arranged at the top of the building steel beam.
2. The overhead traveling crane trolley line installation apparatus as claimed in claim 1, wherein: the counterweight structure comprises a counterweight block and a counterweight frame, the counterweight block is fixedly connected in the counterweight frame, and the counterweight frame is formed by two angle steels which are fixedly connected with the edge of the right end of the upper frame and are oppositely arranged.
3. The overhead traveling crane trolley line installation apparatus as claimed in claim 1, wherein: the counter weight structure includes the balancing weight, and the balancing weight is installed in the counter weight frame, and the counter weight frame passes through the rack and pinion structure and installs on last frame, still including installing the step motor in the upper portion intermediate position of last frame, and step motor passes through chain drive with the gear and is connected.
4. The overhead traveling crane trolley line installation apparatus as claimed in claim 1, wherein: an auxiliary frame is fixedly connected below the right end of the upper frame, the auxiliary frame extends towards the web plate of the building steel beam, a translation mechanism is arranged on the auxiliary frame, a balancing weight is installed in a balancing weight frame, and the balancing weight frame is connected with a balancing mechanism.
5. The construction method of the installation device of the overhead traveling crane trolley line according to any one of claims 1 to 4, comprising the following steps:
1) welding a platform frame with the size of 2500mm multiplied by 1000mm by using channel steel;
2) a clamping plate is arranged on the central line of the platform frame, the clamping plate consists of a left clamping plate and a right clamping plate, the left clamping plate is fixedly connected with the platform frame, and the right clamping plate is fixedly connected with the left clamping plate through a bolt; the left clamping plate and the right clamping plate are combined, and a sliding groove between the left clamping plate and the right clamping plate is buckled on a track at the top of the steel beam;
3) pulley fixing seats are symmetrically welded on two sides of the clamping plate, the distance between the fixing seats is set to be 600mm, and then sliding wheels are installed on the fixing seats;
4) two angle steels are welded at the right end edge of the platform frame and at the position 1000mm away from the edge, and are opposite to each other to form a fixing frame for mounting a balancing weight;
5) welding a lifting frame with the height of 1100mm at the left end of the platform frame by using a phi 16 steel bar @100, wherein the lifting frame is vertical to the platform frame and is positioned on the left side of a building steel beam, and constructors perform construction operation in the lifting frame;
6) and according to the installation progress of the trolley line, the platform frame is moved by the traction device in the operation process.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010891897.7A CN111980392A (en) | 2020-08-31 | 2020-08-31 | Crown block sliding contact line installation device and construction method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010891897.7A CN111980392A (en) | 2020-08-31 | 2020-08-31 | Crown block sliding contact line installation device and construction method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111980392A true CN111980392A (en) | 2020-11-24 |
Family
ID=73439741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010891897.7A Withdrawn CN111980392A (en) | 2020-08-31 | 2020-08-31 | Crown block sliding contact line installation device and construction method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111980392A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113200454A (en) * | 2021-04-13 | 2021-08-03 | 意欧斯物流科技(上海)有限公司 | Structure and method for mounting top of trolley line |
CN115478676A (en) * | 2022-10-20 | 2022-12-16 | 中冶建工集团有限公司 | Sliding contact line installation device with positioning function |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201460182U (en) * | 2009-05-07 | 2010-05-12 | 中冶天工上海十三冶建设有限公司 | Construction trolley on trolley line of bridge crane |
CN102701088A (en) * | 2012-06-21 | 2012-10-03 | 左芳清 | Automatic balanced tower crane |
CN204643652U (en) * | 2015-01-07 | 2015-09-16 | 南宁市桂新泰机械设备制造有限公司 | A kind of tower crane type hoisting crane |
CN204737704U (en) * | 2015-07-16 | 2015-11-04 | 中国长江电力股份有限公司 | Be used for special hanging flower basket of wiping line installation |
CN209601952U (en) * | 2018-10-29 | 2019-11-08 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of suspension cross sliding type overhead travelling crane sliding wire maintenance mobile platform |
CN110777666A (en) * | 2019-11-12 | 2020-02-11 | 广州市第一市政工程有限公司 | Steel box girder construction platform and use method |
CN210217095U (en) * | 2019-06-24 | 2020-03-31 | 中冶建工集团有限公司 | Hanging basket suspension operation system for steel beam |
CN210316470U (en) * | 2019-07-09 | 2020-04-14 | 中建二局广东建设基地有限公司 | Assembled hanging flower basket suitable for different girder steel cross-sections |
CN211173027U (en) * | 2019-09-11 | 2020-08-04 | 青岛金桥钢结构有限公司 | Steel construction removes construction platform |
CN212249118U (en) * | 2020-08-31 | 2020-12-29 | 中国二十二冶集团有限公司 | Installation device for sliding contact line of crown block |
-
2020
- 2020-08-31 CN CN202010891897.7A patent/CN111980392A/en not_active Withdrawn
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201460182U (en) * | 2009-05-07 | 2010-05-12 | 中冶天工上海十三冶建设有限公司 | Construction trolley on trolley line of bridge crane |
CN102701088A (en) * | 2012-06-21 | 2012-10-03 | 左芳清 | Automatic balanced tower crane |
CN204643652U (en) * | 2015-01-07 | 2015-09-16 | 南宁市桂新泰机械设备制造有限公司 | A kind of tower crane type hoisting crane |
CN204737704U (en) * | 2015-07-16 | 2015-11-04 | 中国长江电力股份有限公司 | Be used for special hanging flower basket of wiping line installation |
CN209601952U (en) * | 2018-10-29 | 2019-11-08 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of suspension cross sliding type overhead travelling crane sliding wire maintenance mobile platform |
CN210217095U (en) * | 2019-06-24 | 2020-03-31 | 中冶建工集团有限公司 | Hanging basket suspension operation system for steel beam |
CN210316470U (en) * | 2019-07-09 | 2020-04-14 | 中建二局广东建设基地有限公司 | Assembled hanging flower basket suitable for different girder steel cross-sections |
CN211173027U (en) * | 2019-09-11 | 2020-08-04 | 青岛金桥钢结构有限公司 | Steel construction removes construction platform |
CN110777666A (en) * | 2019-11-12 | 2020-02-11 | 广州市第一市政工程有限公司 | Steel box girder construction platform and use method |
CN212249118U (en) * | 2020-08-31 | 2020-12-29 | 中国二十二冶集团有限公司 | Installation device for sliding contact line of crown block |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113200454A (en) * | 2021-04-13 | 2021-08-03 | 意欧斯物流科技(上海)有限公司 | Structure and method for mounting top of trolley line |
CN115478676A (en) * | 2022-10-20 | 2022-12-16 | 中冶建工集团有限公司 | Sliding contact line installation device with positioning function |
CN115478676B (en) * | 2022-10-20 | 2024-05-10 | 中冶建工集团有限公司 | Sliding contact line installation device with positioning function |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109653105B (en) | Main truss system of box girder bridge cantilever construction hanging basket and use method thereof | |
CN205152788U (en) | But telescopic bridge testing platform of antihunting | |
CN104477736A (en) | Shaft elevator installation method | |
CN111980392A (en) | Crown block sliding contact line installation device and construction method thereof | |
CN110004834A (en) | A kind of automatic climbing platform for hanging cable construction | |
CN212249118U (en) | Installation device for sliding contact line of crown block | |
CN112030777B (en) | Descending movable formwork support bracket crossing type transfer construction method | |
CN210049105U (en) | Self-propelled bridge formwork operation trolley | |
CN203257106U (en) | Multifunctional power-driven walking type walking system | |
CN212687392U (en) | Cable crane hoisting device for bridge erection | |
CN101717048A (en) | Crane for mounting bridge curtain board | |
CN214613641U (en) | Hanging basket type bridge drainage pipe construction trolley | |
CN214141300U (en) | Special double-beam bridge crane for metallurgy | |
CN212532065U (en) | Gantry crane capable of being used in different height difference places | |
CN211420893U (en) | Rapid via hole bridge erecting machine | |
CN212426741U (en) | Movable hanging basket suitable for high-altitude operation | |
CN113979328A (en) | Power distribution device hoisting equipment, power distribution device installation system and installation method | |
JP2994935B2 (en) | Bridge overhang erection method and equipment | |
CN214613654U (en) | Bridge maintenance device | |
CN220789454U (en) | Crane crown block for bridge girder erection machine | |
CN108840256B (en) | Self-climbing type blast furnace corridor installation device and construction method | |
CN218116164U (en) | Beam bottom suspension beam transporting equipment for mounting steel box beams on turbulent water surface | |
CN219010950U (en) | Monorail sliding operation platform for overhauling outer side of subway viaduct | |
CN219364328U (en) | Bridge floor die block is dismantled and bridge overhauls simple and easy device | |
CN220618206U (en) | Pickling crane |
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 | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201124 |