CN110820577A - Intelligent support system for highway bridge construction in frozen earth section and construction method thereof - Google Patents
Intelligent support system for highway bridge construction in frozen earth section and construction method thereof Download PDFInfo
- Publication number
- CN110820577A CN110820577A CN201911115400.6A CN201911115400A CN110820577A CN 110820577 A CN110820577 A CN 110820577A CN 201911115400 A CN201911115400 A CN 201911115400A CN 110820577 A CN110820577 A CN 110820577A
- Authority
- CN
- China
- Prior art keywords
- layer block
- block
- rods
- movable layer
- top end
- 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.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention discloses an intelligent support system for highway bridge construction in a frozen earth section and a construction method thereof, wherein the intelligent support system comprises the following components: the base comprises a fixed layer block and a movable layer block which is arranged at the top end of the fixed layer block in a lifting way; the supporting frame comprises a supporting block at the top end of the movable layer block, and a groove is formed in the top end of the supporting block; a plurality of plug holes are arranged on the outer side of the groove; the inflatable cushion is arranged in the groove; the plug pins are fixed in the plug holes, the vertical rods are in butt joint with the plug pins, the transverse rods are connected between the opposite plug pins, and the butt joint rods are connected between the plug pins in opposite angles and fixed above the transverse rods; intelligent braced system, it includes: a controller; the positioning sensing module is used for sensing the change of the vertical displacement at each position of the bottom end of the fixed layer block; and the lifting control module is used for controlling the lifting of the movable layer block after receiving the information of the positioning induction module. The invention is suitable for the settlement of the frozen soil layer and ensures the stable support of the highway construction.
Description
Technical Field
The invention relates to the technical field of highway construction, in particular to an intelligent support system for highway bridge construction in a frozen earth section and a construction method thereof.
Background
Constructing a highway bridge on the frozen soil layer, considering the soil quality of the frozen soil layer, and according to local conditions, the characteristics of the frozen soil layer are as follows: frozen earth has rheological properties and its long-term strength is much lower than the transient strength characteristics. Due to these characteristics, the construction of engineering structures in frozen soil areas must face two major risks: the frost heaving and thawing sinking are needed to be considered, the construction period is considered, the frozen soil is degraded continuously along with the warming of climate, the support frame built before can be caused to be settled or inclined due to the settlement, the traditional support frame cannot be adjusted along with the settlement, the settlement in the construction period cannot be compensated, and the construction support is further greatly influenced.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide an intelligent support system for highway bridge construction in the frozen earth section, which ensures stable support for highway construction.
The invention also aims to provide a construction method of the intelligent support system for the highway bridge construction at the frozen soil section, which is suitable for the settlement of the frozen soil layer and can adjust the settlement in a compensatory way.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an intelligent support system for highway bridge construction on a frozen earth section, comprising:
the base is provided with two layers and comprises a fixed layer block and a movable layer block which is arranged at the top end of the fixed layer block in a lifting manner; the top edge of activity layer piece the vertical spout that sets up of activity layer piece, the spout with activity layer piece is the same length, the one end of spout sets up the stopper.
A support frame, comprising:
the external dimension of the supporting block is smaller than that of the movable layer block, a roller is arranged at the bottom end of the supporting block relative to the sliding groove, when the roller is positioned in the sliding groove, the bottom end of the supporting block is pressed at the top end of the movable layer block, and a groove is formed in the top end of the supporting block; a plurality of plug holes are arranged on the outer side of the groove.
The safety protection device comprises an inflatable cushion, a connecting pipe and an inflator pump, wherein the inflatable cushion is arranged in the groove, the inflator pump charges gas into the inflatable cushion, and the connecting pipe is connected with the inflatable cushion and the inflator pump.
The supporting parts comprise inserting rods, vertical rods, transverse rods and butt-joint rods; the inserted bar is fixed in the inserting hole, the vertical bar is in butt joint with the inserted bar, the transverse bar is connected between the opposite inserted bars and is positioned above the inflatable cushion, and the butt joint bar is connected between the inserted bars at the opposite angle position and is fixed above the transverse bar.
Intelligent braced system, it includes:
a controller connected to the inflator.
And the positioning sensing module is used for sensing the change of the vertical displacement at each position of the bottom end of the fixed layer block and transmitting the monitored displacement information to the controller.
And the lifting control module is connected to the positioning induction module and is used for controlling the lifting of the movable layer block after receiving the information of the positioning induction module so as to enable the top end of the movable layer block to be positioned at the position before the vertical displacement of the fixed layer block is not changed.
Preferably, the specific way of the movable layer block capable of ascending and descending is as follows: a plurality of groups of first air cylinders are arranged between the fixed layer block and the movable layer block, and the first air cylinders are controlled by the controller.
Preferably, a second cylinder is arranged between the roller and the supporting block to adjust the distance between the roller and the bottom end of the supporting block.
Preferably, a supporting platform fixed with the cross rod is arranged above the cross rod at the top end, and the supporting platform is matched with the size of the bottom end of the highway bridge.
Preferably, each inserted bar or vertical bar at the corner is connected with at least two inserted bars or vertical bars at the diagonal positions through the butt-joint bar.
Preferably, the connection part of the movable layer block and the supporting block is provided with a U-shaped positioning clamp, the two ends of the movable layer block and the supporting block are both provided with elongated holes matched with the U-shaped positioning clamp, the middle plate of the U-shaped positioning clamp is a telescopic plate, the two ends of the telescopic plate are provided with fixing bolts, and the telescopic plate is controlled by the controller.
A construction method of the intelligent support system for highway bridge construction of the frozen earth road section mainly comprises the following steps:
And 2, installing the movable layer block connected in a lifting manner above the fixed layer block.
And 4, arranging the inflatable cushion in the groove, enabling the inflation amount of the inflatable cushion to be 75-80%, inserting the inserting rods, butting the vertical rods, connecting the horizontal rods and the butting rods, and sequentially upwards lapping the horizontal rods and the butting rods to a position which is 30-50 cm away from the bottom end of the bridge.
And 5, arranging a supporting platform above the built cross rod to complete the support of the construction of the highway bridge.
The invention at least comprises the following beneficial effects:
according to the invention, the change of the vertical displacement of each position of the bottom end of the fixed layer block is sensed through the positioning sensing module, and the vertical displacement or the angle of the movable layer block is adjusted through the lifting control module according to the change of the vertical displacement of the fixed layer block, so that the problem of sedimentation of the fixed layer block caused by the properties of a frozen soil layer is compensated, the top end of the movable layer block is always in the initial position during installation and positioning no matter how the fixed layer block is settled in a small range, and further, the support for highway bridge construction plays a stable role, so that the construction quality is ensured. Through set up the supporting shoe on the movable layer piece, as the stable base of support frame, the inflatable packer that sets up in the recess plays the basic unit guard action to descending people or article, the connection between peg, montant, horizontal pole and the butt joint pole in the multiunit supporting part restricts each other, and zonulae occludens is in the same place for whole bearing structure is reliable and stable, does benefit to the operation above to and the support to the construction section.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural diagram of an intelligent support system for highway bridge construction at a frozen earth section, provided by the invention;
fig. 2 is a schematic structural view of a plurality of sets of supporting parts according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1-2, the present invention provides an intelligent support system for highway bridge construction in frozen earth section, comprising:
the base 1 is provided with two layers, and the base 1 comprises a fixed layer block 10 and a movable layer block 11 which is arranged at the top end of the fixed layer block 10 in a lifting manner; the top of the movable layer block 11 is provided with a sliding groove along the longitudinal direction of the movable layer block 11, the sliding groove is as long as the movable layer block 11, and one end of the sliding groove is provided with a limiting block.
A support frame, comprising:
the external dimension of the supporting block 20 is smaller than that of the movable layer block 11, a roller is arranged at the position, corresponding to the sliding groove, of the bottom end of the supporting block 20, when the roller is located in the sliding groove, the bottom end of the supporting block 20 is pressed at the top end of the movable layer block 11, and a groove 201 is formed in the top end of the supporting block 20; a plurality of plug holes 202 are arranged outside the groove 201.
The safety protection device comprises an inflatable cushion 203, a connecting pipe and an inflator pump, wherein the inflatable cushion 203 is arranged in the groove 201, the inflator pump fills air into the inflatable cushion 203, and the connecting pipe is connected with the inflatable cushion 203 and the inflator pump.
A plurality of sets of supporting portions 21 including inserting rods 210, vertical rods 211, cross rods 212, and opposite connecting rods 213; the inserting rods 210 are fixed in the inserting holes 202, the vertical rods 211 are butted on the inserting rods 210, the cross rods 212 are connected between the opposite inserting rods 210 and located above the inflatable cushion 203, and the butting rods 213 are connected between the inserting rods 210 located at opposite angles and fixed above the cross rods 212.
Intelligent braced system, it includes:
a controller connected to the inflator.
And the positioning sensing module is used for sensing the change of the vertical displacement at each position of the bottom end of the fixed layer block 10 and transmitting the monitored displacement information to the controller.
And the lifting control module is connected to the positioning induction module and is used for controlling the lifting of the movable layer block 11 after receiving the information of the positioning induction module so as to enable the top end of the movable layer block 11 to be positioned at the position before the vertical displacement of the fixed layer block 10 is not changed.
In the above scheme, respond to through location response module the change of the upper and lower displacement of each department of fixed layer piece 10 bottom to through the change of the upper and lower displacement of lift control module according to fixed layer piece 10, adjust the upper and lower displacement or the angle of activity layer piece 11, thereby compensate the settlement problem of fixed layer piece 10 that leads to because of frozen soil layer nature, make the top of activity layer piece 11 regardless of how subsiding in the fixed layer piece 10 minizone, initial position when being in the installation location all the time, and then its highway bridge construction's support plays stable effect, in order to guarantee the quality of construction. Through set up supporting shoe 20 on active layer piece 11, as the stable base of support frame, the inflatable packer 203 that sets up in the recess 201 plays the basic unit protective action to descending people or article, peg 210, montant 211, horizontal pole 212 and the connection between the extension rod 213 in the multiunit supporting part 21 restrict each other and hold back, and zonulae occludens is in the same place for whole bearing structure is reliable and stable, does benefit to the operation above, and to the support of construction section.
In a preferred scheme, the specific way of lifting the movable layer block 11 is as follows: a plurality of groups of first air cylinders are arranged between the fixed layer block 10 and the movable layer block 11, and the first air cylinders are controlled by the controller.
In the above scheme, through the flexible of controller control first cylinder, more do benefit to control, and the flexible length of the first cylinder of difference is different, needs the subsidence of the fixed layer piece 10 of adaptation, consequently, the setting of the first cylinder of multiunit more does benefit to the displacement of adjustment movable layer piece 11.
In a preferred embodiment, a second cylinder is disposed between the roller and the supporting block 20 to adjust the distance between the roller and the bottom end of the supporting block 20.
In the above scheme, the second cylinder is also controlled by the controller in a telescopic manner, so that the distance between the idler wheel and the bottom end of the supporting block 20 can be conveniently adjusted in a labor-saving manner through the controller, and after the idler wheel arranged in the sliding groove is in place, the second cylinder is shortened, so that the bottom end of the supporting block 20 is pressed on the top end of the movable layer block 11, and the supporting block 20 is stably arranged on the movable layer block 11.
In a preferable scheme, a supporting platform 3 fixed with the cross rod 212 is arranged above the cross rod 212 at the top end, and the supporting platform 3 is matched with the bottom end size of a road bridge.
In the above scheme, set up supporting platform 3 on the horizontal pole 212 on top, do benefit to and support the highway bridge girder end of pouring the shaping or need pouring, the stable orderly implementation of other processes of being convenient for provides safe and stable's supporting platform 3.
In a preferred embodiment, each of the insertion rods 210 or the vertical rods 211 at the corners is connected to at least two insertion rods 210 or vertical rods 211 at diagonal positions through the docking rod 213.
In the above scheme, the inserted bars 210 at the four corners and the vertical bars 211 above are at least butted with the inserted bars 210 or the vertical bars 211 on more than two opposite angles, so that the stable mutually-restricted triangular structure of the member is facilitated, and meanwhile, the formation of a plurality of triangular restrictions is more facilitated, and the stability and the tightness of the whole connecting structure are ensured.
In a preferable scheme, a U-shaped positioning clamp 12 is arranged at the joint of the movable layer block 11 and the supporting block 20, strip-shaped holes matched with the U-shaped positioning clamp 12 are arranged at both ends of the movable layer block 11 and the supporting block 20, the middle plate of the U-shaped positioning clamp 12 is an expansion plate 120, fixing bolts 121 are arranged at both ends of the expansion plate 120, and the expansion plate 120 is controlled by the controller.
In the above scheme, the two ends of the U-shaped positioning clamp 12 are respectively inserted into the elongated holes formed in the two ends of the movable layer block 11 and the two ends of the supporting block 20, which are matched with the U-shaped positioning clamp 12, and the supporting block 20 can be prevented from moving by fixing the fixing bolt 121, the length of the expansion plate 120 is controlled by the controller, so that the expansion of the expansion plate 120 can be controlled more conveniently, and the expansion plate can be simply and easily matched with the elongated holes.
A construction method of the intelligent support system for highway bridge construction of the frozen earth road section mainly comprises the following steps:
And 2, installing the movable layer block 11 connected in a lifting manner above the fixed layer block 10.
And 4, arranging the inflatable cushion 203 in the groove 201, enabling the inflation amount of the inflatable cushion to be 75-80%, inserting the inserting rod 210, butting the vertical rod 211, connecting the cross rod 212 and the butting rod 213, and sequentially lapping upwards to a height of 30-50 cm from the bottom end of the bridge.
And 5, arranging a supporting platform 3 above the built cross rod 212 to complete the support of the construction of the highway bridge.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a frozen soil highway section highway bridge construction intelligence braced system, wherein, includes:
the base is provided with two layers and comprises a fixed layer block and a movable layer block which is arranged at the top end of the fixed layer block in a lifting manner; the top end of the movable layer block is provided with a sliding chute along the longitudinal direction of the movable layer block, the sliding chute is as long as the movable layer block, and one end of the sliding chute is provided with a limiting block;
a support frame, comprising:
the external dimension of the supporting block is smaller than that of the movable layer block, a roller is arranged at the bottom end of the supporting block relative to the sliding groove, when the roller is positioned in the sliding groove, the bottom end of the supporting block is pressed at the top end of the movable layer block, and a groove is formed in the top end of the supporting block; a plurality of plug holes are arranged on the outer side of the groove;
the safety protection device comprises an inflatable cushion, a connecting pipe and an inflator pump, wherein the inflatable cushion is arranged in the groove, the inflator pump fills gas into the inflatable cushion, and the connecting pipe is connected with the inflatable cushion and the inflator pump;
the supporting parts comprise inserting rods, vertical rods, transverse rods and butt-joint rods; the inserted rods are fixed in the inserted holes, the vertical rods are in butt joint with the inserted rods, the transverse rods are connected between the opposite inserted rods and positioned above the inflatable cushion, and the butt joint rods are connected between the inserted rods in opposite angles and fixed above the transverse rods;
intelligent braced system, it includes:
a controller connected to the inflator;
the positioning sensing module is used for sensing the change of the vertical displacement at each position of the bottom end of the fixed layer block and transmitting the monitored displacement information to the controller;
and the lifting control module is connected to the positioning induction module and is used for controlling the lifting of the movable layer block after receiving the information of the positioning induction module so as to enable the top end of the movable layer block to be positioned at the position before the vertical displacement of the fixed layer block is not changed.
2. The intelligent support system for road and bridge construction on the frozen soil road section of claim 1, wherein the movable layer block can be lifted in a specific mode that: a plurality of groups of first air cylinders are arranged between the fixed layer block and the movable layer block, and the first air cylinders are controlled by the controller.
3. The intelligent support system for road bridge construction on the frozen soil section of claim 1, wherein a second cylinder is arranged between the roller and the support block to adjust the distance between the roller and the bottom end of the support block.
4. The intelligent support system for highway bridge construction on the frozen soil road section as claimed in claim 1, wherein a support platform fixed with the cross bar is arranged above the cross bar at the top end, and the support platform is matched with the size of the bottom end of the highway bridge.
5. The intelligent support system for road and bridge construction on the frozen soil section of claim 1, wherein each of the inserted bars or vertical bars at the corners is connected with at least two inserted bars or vertical bars at diagonal positions through the butt-jointed bars.
6. The intelligent support system for highway bridge construction in the frozen soil section as claimed in claim 1, wherein a U-shaped positioning clamp is arranged at the joint of the movable layer block and the support block, elongated holes matched with the U-shaped positioning clamps are arranged at both ends of the movable layer block and the support block, the middle plate of the U-shaped positioning clamp is a telescopic plate, fixing bolts are arranged at both ends of the telescopic plate, and the telescopic plate is controlled by the controller.
7. A construction method of the intelligent support system for the construction of the frozen soil section road and road bridge as claimed in any one of claims 1 to 6, the method mainly comprises the following steps:
step 1, digging a foundation pit with the same size as the base on a frozen soil layer, arranging a fixed layer block template in the foundation pit, pouring concrete to obtain a fixed layer block, and arranging the positioning induction module on the fixed layer block;
step 2, installing the movable layer block connected in a lifting manner above the fixed layer block;
step 3, moving the supporting block to the top end of the movable layer block; adjusting the distance between the roller and the bottom end of the supporting block to enable the bottom end of the supporting block to be pressed on the top end of the movable layer block;
step 4, arranging the inflatable cushion in the groove, enabling the inflation amount of the inflatable cushion to be 75-80%, inserting the inserted rods, butting the vertical rods, connecting the cross rods and the butting rods, and sequentially upwards lapping the inserted rods to a position which is 30-50 cm away from the bottom end of the bridge;
and 5, arranging a supporting platform above the built cross rod to complete the support of the construction of the highway bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911115400.6A CN110820577A (en) | 2019-11-14 | 2019-11-14 | Intelligent support system for highway bridge construction in frozen earth section and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911115400.6A CN110820577A (en) | 2019-11-14 | 2019-11-14 | Intelligent support system for highway bridge construction in frozen earth section and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110820577A true CN110820577A (en) | 2020-02-21 |
Family
ID=69555651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911115400.6A Pending CN110820577A (en) | 2019-11-14 | 2019-11-14 | Intelligent support system for highway bridge construction in frozen earth section and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110820577A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376406A (en) * | 2020-10-27 | 2021-02-19 | 吴紫苑 | Formula bridge that sinks is prevented in high life |
Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01178612A (en) * | 1987-12-29 | 1989-07-14 | Mitsui Constr Co Ltd | Supporting method for horizontal force on extension service structure |
| DE4118990A1 (en) * | 1991-06-25 | 1992-12-10 | Pfaff Silberblau Hebezeug | Lifting gear to lift railway cartridge for maintenance - continuous track, and pairs of lifting appliances with supports for individual wheels |
| JPH07173845A (en) * | 1993-12-17 | 1995-07-11 | Ribaasteel Kk | Construction method of earth retaining wall and construction units |
| JPH0977500A (en) * | 1995-09-13 | 1997-03-25 | Tadano Eng:Kk | Heavy object attitude changing device |
| JP2002085456A (en) * | 2000-09-11 | 2002-03-26 | Syntex Kk | Lift for wheelchair to get over level difference by itself |
| CN102174794A (en) * | 2011-03-07 | 2011-09-07 | 江苏科技大学 | Automatic leveling system and method for six-point support bridging platform |
| CN202247687U (en) * | 2011-09-19 | 2012-05-30 | 曹新恒 | Universal cast-in-situ trestle for bridge |
| CN203767934U (en) * | 2014-03-17 | 2014-08-13 | 湖南农业大学 | Leveling lifting mechanism for narrow rough area |
| CN104499434A (en) * | 2014-12-16 | 2015-04-08 | 中铁大桥局集团有限公司 | Movable formwork for casting of wide-body box girder and construction method |
| CN204753391U (en) * | 2015-05-26 | 2015-11-11 | 黑龙江交通职业技术学院 | Device that falls is prevented in bridge construction |
| CN204958276U (en) * | 2015-09-22 | 2016-01-13 | 湖南农业大学 | A but, leveling elevating system for slope |
| CN105755966A (en) * | 2014-12-16 | 2016-07-13 | 湖北华舟重工应急装备股份有限公司 | Foldable assembling type road steel bridge construction platform |
| CN106012842A (en) * | 2016-05-20 | 2016-10-12 | 中建三局基础设施工程有限公司 | Standardized movable formwork |
| CN205636511U (en) * | 2016-05-11 | 2016-10-12 | 李楠 | Bridge engineering construction platform |
| CN206957252U (en) * | 2017-04-21 | 2018-02-02 | 赵亭亭 | A kind of bridge construction anti-drop device |
| CN207596419U (en) * | 2017-12-08 | 2018-07-10 | 王海明 | Fork lifting platform with automatic flat-adjustable function |
| CN108360576A (en) * | 2018-01-25 | 2018-08-03 | 温州中奇建设监理有限公司 | A kind of foundation pit displacement automatic monitoring system and method |
| CN208218346U (en) * | 2018-04-23 | 2018-12-11 | 青岛亿联集团股份有限公司 | Mobile job platform second protection protection canopy |
| CN208856718U (en) * | 2018-09-19 | 2019-05-14 | 株洲瑞泰装备技术有限公司 | A kind of saddle climbing type workbench |
| CN109778714A (en) * | 2019-03-25 | 2019-05-21 | 中冶建工集团有限公司 | Assembled steel structure support platform and its installation and removal method |
| CN109989406A (en) * | 2017-12-30 | 2019-07-09 | 广州协安建设工程有限公司 | Foundation pit support replacement construction |
| CN209098132U (en) * | 2018-10-18 | 2019-07-12 | 陶建国 | A kind of fixed device of building construction hoist |
| CN110167867A (en) * | 2016-11-11 | 2019-08-23 | 迪星公司 | Device for being positioned object relative to supporter by inflatable air cushion component, the method for the operating method and mobile object of this device |
-
2019
- 2019-11-14 CN CN201911115400.6A patent/CN110820577A/en active Pending
Patent Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01178612A (en) * | 1987-12-29 | 1989-07-14 | Mitsui Constr Co Ltd | Supporting method for horizontal force on extension service structure |
| DE4118990A1 (en) * | 1991-06-25 | 1992-12-10 | Pfaff Silberblau Hebezeug | Lifting gear to lift railway cartridge for maintenance - continuous track, and pairs of lifting appliances with supports for individual wheels |
| JPH07173845A (en) * | 1993-12-17 | 1995-07-11 | Ribaasteel Kk | Construction method of earth retaining wall and construction units |
| JPH0977500A (en) * | 1995-09-13 | 1997-03-25 | Tadano Eng:Kk | Heavy object attitude changing device |
| JP2002085456A (en) * | 2000-09-11 | 2002-03-26 | Syntex Kk | Lift for wheelchair to get over level difference by itself |
| CN102174794A (en) * | 2011-03-07 | 2011-09-07 | 江苏科技大学 | Automatic leveling system and method for six-point support bridging platform |
| CN202247687U (en) * | 2011-09-19 | 2012-05-30 | 曹新恒 | Universal cast-in-situ trestle for bridge |
| CN203767934U (en) * | 2014-03-17 | 2014-08-13 | 湖南农业大学 | Leveling lifting mechanism for narrow rough area |
| CN105755966A (en) * | 2014-12-16 | 2016-07-13 | 湖北华舟重工应急装备股份有限公司 | Foldable assembling type road steel bridge construction platform |
| CN104499434A (en) * | 2014-12-16 | 2015-04-08 | 中铁大桥局集团有限公司 | Movable formwork for casting of wide-body box girder and construction method |
| CN204753391U (en) * | 2015-05-26 | 2015-11-11 | 黑龙江交通职业技术学院 | Device that falls is prevented in bridge construction |
| CN204958276U (en) * | 2015-09-22 | 2016-01-13 | 湖南农业大学 | A but, leveling elevating system for slope |
| CN205636511U (en) * | 2016-05-11 | 2016-10-12 | 李楠 | Bridge engineering construction platform |
| CN106012842A (en) * | 2016-05-20 | 2016-10-12 | 中建三局基础设施工程有限公司 | Standardized movable formwork |
| CN110167867A (en) * | 2016-11-11 | 2019-08-23 | 迪星公司 | Device for being positioned object relative to supporter by inflatable air cushion component, the method for the operating method and mobile object of this device |
| CN206957252U (en) * | 2017-04-21 | 2018-02-02 | 赵亭亭 | A kind of bridge construction anti-drop device |
| CN207596419U (en) * | 2017-12-08 | 2018-07-10 | 王海明 | Fork lifting platform with automatic flat-adjustable function |
| CN109989406A (en) * | 2017-12-30 | 2019-07-09 | 广州协安建设工程有限公司 | Foundation pit support replacement construction |
| CN108360576A (en) * | 2018-01-25 | 2018-08-03 | 温州中奇建设监理有限公司 | A kind of foundation pit displacement automatic monitoring system and method |
| CN208218346U (en) * | 2018-04-23 | 2018-12-11 | 青岛亿联集团股份有限公司 | Mobile job platform second protection protection canopy |
| CN208856718U (en) * | 2018-09-19 | 2019-05-14 | 株洲瑞泰装备技术有限公司 | A kind of saddle climbing type workbench |
| CN209098132U (en) * | 2018-10-18 | 2019-07-12 | 陶建国 | A kind of fixed device of building construction hoist |
| CN109778714A (en) * | 2019-03-25 | 2019-05-21 | 中冶建工集团有限公司 | Assembled steel structure support platform and its installation and removal method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376406A (en) * | 2020-10-27 | 2021-02-19 | 吴紫苑 | Formula bridge that sinks is prevented in high life |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104389313B (en) | The positioning and plumbing device of Two bors d's oeuveres type i iron lattice column and positioning and plumbing method thereof | |
| CN105887811B (en) | Ultra-deep weak soil pile integral construction method is monitored based on precise informationization | |
| CN205296874U (en) | Information -based construction monitor positioning device of stake integration | |
| CN106065577A (en) | The structure of a kind of new pile foundation underpinning and method | |
| CN106192776A (en) | A kind of big Span Continuous Flexible arch bridge with steel truss beam free cantilever erection construction technology | |
| CN108374340B (en) | The method of longspan steel truss girder upper bracket assembly sliding roadway arch | |
| CN109322241A (en) | Trestle work structure and construction method | |
| CN106522112A (en) | Cable-stayed bridge side span beam section erecting system and method thereof | |
| CN205772854U (en) | The walking track of a kind of gantry crane lifting steel truss girder sections supports | |
| CN205062832U (en) | Different bottom width of non - equal span is adjustable, and T type roof beam prefabricates pedestal | |
| CN107227686A (en) | A kind of tunnel-type anchorage pre-stress system locating support construction method | |
| CN205662832U (en) | Under hold formula beiLei beam steel suspension bridge | |
| CN110820577A (en) | Intelligent support system for highway bridge construction in frozen earth section and construction method thereof | |
| CN112695696A (en) | Integrated construction equipment for superstructure of high-pile wharf and construction method thereof | |
| CN206635599U (en) | A kind of road surface for caving in road, which is speedily carried out rescue work, fixes device | |
| JP3711355B2 (en) | Bridge erection method | |
| CN212898512U (en) | Reverse-acting tunnel portal entering system for tunnel portal in steep rock mass in complex terrain | |
| CN103882808A (en) | Ramp bridge and main bridge connecting and erecting prefabricated beam supply system and construction method thereof | |
| CN107653787B (en) | It is a kind of to protect the construction method across the underground high voltage cable box culvert of foundation pit | |
| CN206346199U (en) | The guiding trestle of lattice column is laid in a kind of deep well | |
| CN213419107U (en) | Hydraulic lifting rack for excavation and supporting construction of small-section tunnel | |
| CN204982905U (en) | Positioner is used in lattice column construction | |
| CN204401462U (en) | For the support of pier prestressed cap beam with extra length Construction Supporting System in water | |
| CN204343294U (en) | The positioning and plumbing device of Two bors d's oeuveres type i iron lattice column | |
| CN207862714U (en) | A kind of structural adjustment system of the reply backfilled roadbed supported sedimentation of super thick |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200221 |
|
| RJ01 | Rejection of invention patent application after publication |