CN109457977B - Method for pushing steel component by steel structure overhead rail hydraulic pushing sliding shoe device - Google Patents
Method for pushing steel component by steel structure overhead rail hydraulic pushing sliding shoe device Download PDFInfo
- Publication number
- CN109457977B CN109457977B CN201811335364.XA CN201811335364A CN109457977B CN 109457977 B CN109457977 B CN 109457977B CN 201811335364 A CN201811335364 A CN 201811335364A CN 109457977 B CN109457977 B CN 109457977B
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- pushing
- sliding shoe
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- steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 97
- 239000010959 steel Substances 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 23
- 238000012876 topography Methods 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention discloses a device and a method for hydraulic pushing of a steel structure overhead rail, wherein the device comprises a sliding shoe (9), a hanging bearing arm (4) is connected to the side surface of the sliding shoe (9), the lower end of the bearing arm (4) is hinged with a bracket (1), the tail of the bracket (1) is hinged with a hydraulic telescopic rod (5), and the other end of the hydraulic telescopic rod (5) is hinged with the bearing arm (4). The method comprises the following technical measures: 1) installing a steel structure overhead rail hydraulic pushing sliding shoe device, 2) operating the steel structure overhead rail hydraulic pushing sliding shoe device, and 3) dismantling the steel structure overhead rail hydraulic pushing sliding shoe device. The invention has simple structure, ingenious design, convenient operation and simple and efficient construction method, can effectively solve the problems of long pushing of the existing steel structure, long construction period of the guide rail foundation and the foundation, incomplete hoisting conditions, more complex site limitation, difficult control of construction operation risks and the like, and is particularly suitable for the installation and construction of the earth surface steel structure which spans the existing tunnel.
Description
Technical Field
The invention relates to a hydraulic sliding shoe pushing device and method for a steel structure overhead rail, and belongs to the technical field of steel structure installation and construction.
Background
Conventional steel structure hydraulic pushing methods typically require installing rails on the ground and constructing the rail foundation. The traditional steel structure hydraulic pushing method is greatly influenced by the original topography and geological conditions of the position of the component, large-area treatment is needed to be carried out on the foundation, the occupied area is wide, the foundation and the foundation construction time are long, when the steel structure enters the foundation support, the hoisting equipment is often needed to cooperate, the occupied area of the hoisting field is wide, the influence of the surrounding environment is large, the use efficiency of the machinery and the guide rail is low, the turnover cost is high, and the construction period is long.
In particular, the construction steps of high-speed railways and urban rail transit in China are accelerated in recent years, urban centers are continuously expanded along with the extension of lines, and in the construction process of buildings, construction of an existing tunnel (especially an open cut tunnel) is often involved, and under the condition, the foundation and foundation construction cost and construction difficulty limit are greatly restricted for planning, designing and constructing surface facilities.
Disclosure of Invention
The invention aims to solve the technical problems that: the device and the method for hydraulic pushing of the steel structure overhead rail are provided, so that the problems are solved: the method is greatly influenced by the original topography and geological conditions of the position where the steel structure is located, large-area treatment is needed to be carried out on the foundation, the occupied area is wide, the foundation and the foundation construction time are long, when the steel structure enters the foundation support, the hoisting equipment is often needed to cooperate, the hoisting field is wide, the influence of the surrounding environment is large, the use efficiency of machinery and guide rails is low, the turnover cost is high, the construction period is long, and the like.
The method is particularly suitable for installing the steel structure which spans the existing tunnel surface facility.
The technical scheme of the invention is as follows:
a hydraulic pushing sliding shoe device for a steel structure overhead rail comprises a sliding shoe, wherein the side surface of the sliding shoe is connected with a hanging bearing arm, the lower end of the bearing arm is hinged with a bracket, the tail part of the bracket is hinged with a hydraulic telescopic rod, and the other end of the hydraulic telescopic rod is hinged in the middle of the bearing arm.
The side of the bearing arm is provided with a supporting wheel.
The supporting wheel is hinged on the bearing arm, and the installation angle is adjusted through the limiting disc and the bolt.
The supporting wheel comprises a supporting arm, a tail end rolling wheel and an axle, wherein the supporting arm is hinged on the bearing arm through a supporting wheel rotating shaft, limiting holes are uniformly distributed on the limiting disc, and the bolt penetrates through the positioning holes on the supporting arm and the limiting holes on the limiting disc.
Support wheels are arranged on two sides of the bearing arm.
The central hollow of the lower half section of the bearing arm is used for hinging the hydraulic telescopic rod.
The back of the bracket is reinforced by steel plate longitudinal and transverse stiffening ribs and hinged on the bearing arm through the bracket rotating shaft, and the upper end face of the bracket can be connected with the steel member through bolts.
The front and the rear of the sliding shoe are respectively provided with a front ear plate and a rear ear plate, the back of the sliding shoe is provided with longitudinal steel plate stiffening ribs, the front of the sliding shoe is provided with longitudinal steel plate stiffening ribs, the sliding shoe is pressed on the top of the top rail through the shoe cap, and the lower parts of the two sides of the shoe cap are provided with limiting steel plates.
The method for pushing the steel component by using the overhead rail hydraulic pushing sliding shoe device comprises the following steps: installing a top rail, pushing the unit steel member to the edge of the ground guide rail; a sliding shoe device and a pushing device are arranged on the top rail; mounting a bracket of the sliding shoe device on a steel member, and pushing the unit steel member to move by using a pushing device; and (5) removing the sliding shoe device and putting down the steel member.
The method comprises the following specific steps:
① The overhead rail is arranged on the existing bridge body or the overhead working platform, and the elevation is adjusted and fixed so that the distance between the bottom surface of the steel member and the ground foundation support is less than or equal to 5mm;
② Elevation adjustment of the ground guide rail is carried out, so that the unit steel member meets the requirement of track entering;
③ The ground pushing unit steel member is arranged at the edge of the ground guide rail;
④ Installing a steel structure overhead rail hydraulic pushing device and a sliding shoe, and locking a sliding shoe bracket;
⑤ Connecting the steel member with the bracket using bolts;
⑥ The lateral supporting wheels are unfolded to prop against the side surface of the existing bridge body or the aerial working platform, and are locked by bolts;
⑦ Removing the ground hydraulic pushing device and the sliding shoe;
⑧ The hydraulic pushing device at the ground and the hydraulic pushing device at the head rail are synchronously pushed until the hydraulic pushing device enters the installation position of the next sliding shoe;
⑨ Repeating ④ to ⑦ steps until the steel member breaks away from the ground rail;
⑩ The hydraulic pushing steel component is in place, the hydraulic pushing device is arranged at the rear ear plate, and after the hydraulic pushing device is positioned, the hydraulic pushing device arranged at the front ear plate can be removed;
pushing the next unit steel member until the previous unit steel member is attached, and assembling in the air;
Repeating ⑨ to ⑩ steps until the whole steel structure is assembled in the air;
The bolts are removed to control the bracket to rotate, and the hydraulic telescopic rods of the plurality of sliding shoe devices are controlled in a coordinated manner to synchronously retract, so that the whole steel member is led to synchronously separate from the bracket and enter the constructed steel structure foundation support;
and continuously rotating the bracket to a disassembled state, reversely installing a hydraulic pushing device, connecting with the rear ear plate, reversely pushing the sliding shoe device, and returning to the hoisting working surface.
The beneficial effects of the invention are as follows: compared with the prior art, the invention has the following advantages:
1. The construction of a guide rail foundation and a foundation is avoided or reduced, the construction period is shortened, and the construction cost is saved;
2. the working efficiency is improved for the multi-line pushing construction operation of crossing steel members, and the construction period is shortened;
3. The method provides a solution for the situation that the foundation and the foundation cannot be excavated when the cross-steel structure on the existing open cut tunnel is constructed.
The invention has simple structure, ingenious design, convenient operation and simple and efficient construction method, and can effectively solve the problems that the original topography and geological conditions of the position where the steel structure is located are greatly influenced, the foundation needs to be treated in a large area, the occupied area is wide, the foundation and the foundation construction time are long, when the steel structure enters the foundation support, the steel structure needs to be matched with hoisting equipment, the hoisting field is wide in occupied area, the influence of the surrounding environment is great, the use efficiency of machinery and guide rails is low, the turnover cost is high, the construction period is long and the like.
Drawings
FIG. 1 is a schematic view of the operational state structure of the present invention;
FIG. 2 is a schematic view of the disassembled state structure of the present invention;
FIG. 3 is a side view of the device;
FIG. 4 is a top view of the device;
FIG. 5 is a schematic view of a bracket structure;
FIG. 6 is a schematic view of a load-bearing arm structure;
FIG. 7 is a front view of a slipper;
FIG. 8 is a top view of the slipper;
FIG. 9 is a detailed view of the support wheel
FIG. 10 is a front view of the present invention in an installed state;
FIG. 11 is a schematic view of the installation in the cut-away position of FIG. 10 (1-1);
FIG. 12 is a schematic view of the installation in the cut-away position of FIG. 10 (1-1);
FIG. 13 is a schematic view of the positioning operation after the headrail is pushed into place;
FIG. 14 is a schematic view of a high-altitude assembly operation;
FIG. 15 is a schematic view of the disassembly of a steel construction headrail hydraulic ram apparatus;
in the figure: 1. the hydraulic jack comprises a bracket, 2, bolts, 3, longitudinal and transverse stiffening ribs of a steel plate at the back of the bracket, 4, a bearing arm, 5, a hydraulic telescopic rod, 6, a supporting wheel, 7, a supporting wheel rotating shaft, 8, a bracket rotating shaft, 9, a sliding shoe, 10, a front lug plate, 11, a rear lug plate, 12, a sliding shoe front and rear longitudinal stiffening rib, 13, a shoe cap, 14, a limiting plate, 15, a supporting wheel positioning bolt, 16, a supporting arm, 17, a rolling wheel, 18, a wheel shaft, 19, a limiting disc with uniformly distributed limiting holes, 20, a steel structure day rail hydraulic jack slide shoe device, 21, a steel member, 21-0, a first piece unit steel member, 22, an existing bridge or an overhead working platform, 23, a day rail, 24, a ground rail, 25, a ground sliding shoe, 25-1, a first pair of ground sliding shoes, 25-2, a second pair of ground sliding shoes, 26-1, a first pair of ground hydraulic jack, 26-2, a second pair of ground hydraulic jack, 26-3, a first pair of day hydraulic jack, 26-4, a second pair of day jack, 26-5, a day jack, a fifth pair of hydraulic jack, a day jack and a sixth pair of hydraulic jack;
The specific embodiment is as follows:
examples: the bracket is connected with the bearing arm through a bracket rotating shaft and a hydraulic telescopic rod, wherein the tail part of the bracket is connected with the middle part of the bearing arm through the hydraulic telescopic rod; the two side surfaces of the bearing arm are provided with a plurality of (at least two pairs of) supporting wheels through supporting wheel rotating shafts, and the top end of the bearing arm is connected with the sliding shoes in a welding way.
The back of the bracket is reinforced by steel plate longitudinal and transverse stiffening ribs, can rotate around the bracket rotating shaft connected with the bearing arm and can be connected with the steel member through bolts.
The lower half part of the bearing arm is hollowed out, a rotatable hydraulic telescopic rod is hinged to the inner side of the bearing arm, and the other end of the hydraulic telescopic rod is hinged to the tail part of the bracket and used for adjusting the working angle of the bracket.
The front and the back of the sliding shoe are respectively provided with an ear plate, namely a front ear plate and a rear ear plate, which can be connected with the hydraulic pushing device, the back of the sliding shoe is provided with a longitudinal steel plate stiffening rib, the front of the sliding shoe is provided with a longitudinal steel plate stiffening rib, the sliding shoe is pressed on the top of the top rail through a shoe cap, the lower parts of the two sides of the shoe cap are provided with limiting steel plates, and the above parts are all connected through welding.
The supporting wheel can be locked at the position through a limiting disc with uniformly distributed limiting holes and a bolt, and the supporting arm of the supporting wheel is connected with the tail end rolling wheel through a wheel shaft.
Referring to fig. 10 to 15, the hydraulic pushing method adopting the hydraulic pushing sliding shoe device for the steel structure overhead rail comprises the following steps:
1) Installation stage (fig. 10 to 12) of steel structure top rail hydraulic pushing sliding shoe device:
① The elevation of the top rail is adjusted and fixed, so that the distance between the bottom surface of the steel member and the ground foundation support is less than or equal to 5mm;
② Elevation adjustment of the ground guide rail is carried out, so that the unit steel member meets the requirement of track entering;
③ The ground pushing unit steel member is arranged at the edge of the ground guide rail;
④ Installing a steel structure overhead rail hydraulic pushing device and a sliding shoe, and locking a sliding shoe bracket;
⑤ Connecting the steel member with the bracket using bolts;
⑥ The lateral supporting wheels are unfolded to prop against the side surface of the existing bridge body or the aerial working platform, and are locked by bolts;
⑦ Hydraulic pushing device for removing ground and sliding shoe
⑧ The hydraulic pushing device at the ground and the hydraulic pushing device at the top rail are synchronously pushed until the hydraulic pushing device enters the installation position of the hydraulic pushing sliding shoe device of the top rail of the next steel structure;
⑨ Repeating ④ to ⑦ steps until the steel member breaks away from the ground rail;
2) Working stage of steel structure top rail hydraulic pushing sliding shoe device (fig. 13 and 14):
① The hydraulic pushing steel component is in place, and after the hydraulic pushing device is installed at the rear ear plate for positioning, the hydraulic pushing device installed at the front ear plate can be removed;
② Pushing the next unit steel member until the previous unit steel member is attached, and assembling in the air;
③ Repeating ① to ② steps until the whole steel structure is assembled in the air;
3) Stage of dismantling the hydraulic pushing skid shoe device of the steel structure ceiling rail (figure 15)
① The bolts are removed to control the bracket to rotate, and the hydraulic telescopic rods of the plurality of sliding shoe devices are controlled in a coordinated manner to synchronously retract, so that the whole steel member is led to synchronously separate from the bracket and enter the constructed steel structure foundation support;
② And continuously rotating the bracket to a disassembled state, reversely installing a hydraulic pushing device, connecting with the rear ear plate, reversely pushing the sliding shoe device, and returning to the hoisting working surface.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (1)
1. A method for pushing a steel component by a steel structure overhead rail hydraulic pushing sliding shoe device is characterized by comprising the following steps of: the sliding shoe side of the sliding shoe device is connected with a drooping bearing arm, the lower end of the bearing arm is hinged with a bracket, the tail of the bracket is hinged with a hydraulic telescopic rod, the other end of the hydraulic telescopic rod is hinged in the middle of the bearing arm, the side of the bearing arm is provided with a supporting wheel which is hinged on the bearing arm, the installation angle is adjusted through a limiting disc and a bolt, the supporting wheel consists of a supporting arm, a tail rolling wheel and a wheel shaft, the supporting arm is hinged on the bearing arm through a supporting wheel rotating shaft, limiting holes are uniformly distributed on the limiting disc, and the bolt penetrates through a positioning hole on the supporting arm and a limiting hole on the limiting disc; supporting wheels are arranged on two sides of the bearing arm; the lower half section of the bearing arm is hollowed in the center and used for hinging a hydraulic telescopic rod; the back of the bracket is reinforced by steel plate longitudinal and transverse stiffening ribs and hinged on the bearing arm through a bracket rotating shaft, and the upper end face of the bracket can be connected with the steel member through bolts; the front and the rear of the sliding boot are respectively provided with a front ear plate and a rear ear plate, the back of the sliding boot is provided with longitudinal steel plate stiffening ribs, the front of the sliding boot is provided with longitudinal steel plate stiffening ribs, the sliding boot is pressed on the top of the top rail through boot caps, and the lower parts of the two sides of the boot caps are provided with limit steel plates;
The method for pushing the steel member comprises the following steps: installing a top rail, pushing the unit steel member to the edge of the ground guide rail; a sliding shoe device and a pushing device are arranged on the top rail; mounting a bracket of the sliding shoe device on a steel member, and pushing the unit steel member to move by using a pushing device; removing the slipper device and putting down the steel member, wherein the method specifically comprises the following steps:
① The overhead rail is arranged on the existing bridge body or the overhead working platform, and the elevation is adjusted and fixed so that the distance between the bottom surface of the steel member and the ground foundation support is less than or equal to 5mm;
② Elevation adjustment of the ground guide rail is carried out, so that the unit steel member meets the requirement of track entering;
③ The ground pushing unit steel member is arranged at the edge of the ground guide rail;
④ Installing a first pair of overhead rail hydraulic thrusters and sliding shoes, and locking sliding shoe brackets;
⑤ Connecting the first piece of unitary steel member to the bracket using bolts;
⑥ The lateral supporting wheels are unfolded to prop against the side surface of the existing bridge body or the aerial working platform, and are locked by bolts;
⑦ Removing the first pair of ground hydraulic thrusters and the first pair of skid shoes;
⑧ The second pair of ground hydraulic thrusters and the first pair of overhead rail hydraulic thrusters at the overhead rail are synchronously pushed until the second pair of ground hydraulic thrusters enter the installation position of the next sliding shoe;
⑨ Repeating ④ to ⑦ steps until the steel member is free of the ground rail (24);
⑩ The hydraulic pushing steel component is in place, a third pair of overhead rail hydraulic pushing devices and a fourth pair of overhead rail hydraulic pushing devices are arranged at the rear lug plate, and after the third pair of overhead rail hydraulic pushing devices and the fourth pair of overhead rail hydraulic pushing devices are positioned, the first pair of overhead rail hydraulic pushing devices and the second pair of overhead rail hydraulic pushing devices which are arranged at the front lug plate can be arranged;
Pushing the next unit steel member to be attached to the first unit steel member, and assembling in the air;
Repeating ⑨ to ⑩ steps until the whole steel structure is assembled in the air;
The bolts are removed to control the bracket to rotate, and the hydraulic telescopic rods of the plurality of sliding shoe devices are controlled in a coordinated manner to synchronously retract, so that the whole steel member is led to synchronously separate from the bracket and enter the constructed steel structure foundation support;
and continuously rotating the bracket to a disassembled state, reversely installing a hydraulic pushing device, connecting with the rear ear plate, reversely pushing the sliding shoe device, and returning to the hoisting working surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811335364.XA CN109457977B (en) | 2018-11-10 | 2018-11-10 | Method for pushing steel component by steel structure overhead rail hydraulic pushing sliding shoe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811335364.XA CN109457977B (en) | 2018-11-10 | 2018-11-10 | Method for pushing steel component by steel structure overhead rail hydraulic pushing sliding shoe device |
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| Publication Number | Publication Date |
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| CN109457977A CN109457977A (en) | 2019-03-12 |
| CN109457977B true CN109457977B (en) | 2024-06-14 |
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| CN201811335364.XA Active CN109457977B (en) | 2018-11-10 | 2018-11-10 | Method for pushing steel component by steel structure overhead rail hydraulic pushing sliding shoe device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254842A (en) * | 2020-03-27 | 2020-06-09 | 中铁五局集团建筑工程有限责任公司 | Steel structure sliding shoe with adjustable height and installation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201221372Y (en) * | 2008-07-09 | 2009-04-15 | 山西东华机械有限公司 | Beam lowering apparatus for coal mine laneway hydraulic support |
| CN205857041U (en) * | 2016-07-18 | 2017-01-04 | 中交第二航务工程局有限公司 | A kind of Hanging basket on front support walking device |
| CN210002909U (en) * | 2018-11-10 | 2020-01-31 | 中铁五局集团建筑工程有限责任公司 | Steel construction sky rail hydraulic pressure pushes away piston shoes device |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2043592U (en) * | 1988-11-29 | 1989-08-30 | 赵昌一 | Umbrella-supporting device attached to the cycle |
| JP4507038B2 (en) * | 2000-08-28 | 2010-07-21 | 株式会社竹中工務店 | Lift-up mechanism and construction method |
| CN201221373Y (en) * | 2008-07-09 | 2009-04-15 | 山西东华机械有限公司 | Beam lifting apparatus for coal mine laneway hydraulic support |
| CN202162603U (en) * | 2011-08-04 | 2012-03-14 | 天津戴卡轮毂制造有限公司 | Wheel positioning device for manufacturing marking pits of valve holes |
| KR101162596B1 (en) * | 2012-02-21 | 2012-07-04 | 동방엔지니어링 주식회사 | Middle leg for launching girder |
| CN102699759A (en) * | 2012-05-16 | 2012-10-03 | 苏州金牛精密机械有限公司 | Angle regulating block |
| CN203049470U (en) * | 2013-01-23 | 2013-07-10 | 中交四航局第一工程有限公司 | Hanging basket walking system |
| US9458626B2 (en) * | 2013-03-07 | 2016-10-04 | Columbia Insurance Company | Laser configured column anchors and anchoring systems utilizing the same |
| CN203769337U (en) * | 2014-04-15 | 2014-08-13 | 史海军 | Supporting plate assembly system capable of achieving automatic horizontal moving and locating mounting |
| CN103935901A (en) * | 2014-05-12 | 2014-07-23 | 陈建光 | Automatic high-rise wall plate hoisting system |
| CN205480862U (en) * | 2016-02-18 | 2016-08-17 | 特能传热科技（中山）有限公司 | A angle modulation frame for lamps and lanterns |
| CN205777583U (en) * | 2016-05-17 | 2016-12-07 | 上海同力建设机器人有限公司 | Jacking slide device |
| DK201770028A1 (en) * | 2017-01-16 | 2018-07-27 | Vkr Holding A/S | Lifting tool for mounting and removing the frame of a skylight in a sloping roof as well as the method of mounting and removing using the lifting tool |
| CN106836826B (en) * | 2017-01-21 | 2019-01-18 | 浙江中南建设集团钢结构有限公司 | A kind of setting two-orbit carries out pushing tow accumulation slippage tooling and its construction method |
| CN108439206B (en) * | 2018-04-09 | 2024-04-09 | 中交武汉港湾工程设计研究院有限公司 | Integral bridge floor crane of central cable plane steel box girder |
-
2018
- 2018-11-10 CN CN201811335364.XA patent/CN109457977B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201221372Y (en) * | 2008-07-09 | 2009-04-15 | 山西东华机械有限公司 | Beam lowering apparatus for coal mine laneway hydraulic support |
| CN205857041U (en) * | 2016-07-18 | 2017-01-04 | 中交第二航务工程局有限公司 | A kind of Hanging basket on front support walking device |
| CN210002909U (en) * | 2018-11-10 | 2020-01-31 | 中铁五局集团建筑工程有限责任公司 | Steel construction sky rail hydraulic pressure pushes away piston shoes device |
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