CN206721675U - A kind of open-close type crosses pier box beam maintenance construction trolley - Google Patents
A kind of open-close type crosses pier box beam maintenance construction trolley Download PDFInfo
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- CN206721675U CN206721675U CN201720425810.0U CN201720425810U CN206721675U CN 206721675 U CN206721675 U CN 206721675U CN 201720425810 U CN201720425810 U CN 201720425810U CN 206721675 U CN206721675 U CN 206721675U
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- truss
- box beam
- boom frame
- steel wire
- wire rope
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Abstract
The utility model discloses a kind of open-close type to cross pier box beam maintenance construction trolley, chassis truss including being erected on box beam both sides, chassis truss includes the first truss being erected on the outside of box beam and the second truss being erected on the inside of box beam, bottom boom frame is connected between the bottom of first truss and the bottom of the second truss, the outer end of bottom boom frame and the bottom of the first truss are articulated and connected, the inner of bottom boom frame coordinates with the bottom of the second truss to be fixed, the inner of bottom boom frame is connected with hoist engine by steel wire rope, steel wire rope includes the first steel wire rope being fixedly connected with the inner of bottom boom frame and the second steel wire rope being wound on the roller of hoist engine, the end of first steel wire rope is fixedly connected with the end of the second steel wire rope by rope clamp, hoist engine is fixed on the second truss；The top of chassis truss is provided with the walking mechanism walked along box beam axis direction.By be hinged and with the second truss the fixation of bottom boom frame and the first truss, realize that big open-close type crosses pier construction, various girder system constructions can be used for.
Description
Technical field
Equipment for bridge construction technical field is the utility model is related to, the maintenance construction of pier box beam is crossed in particular to a kind of open-close type
Chassis.
Background technology
With the continuous development of bridge construction, bridge main beam structure type is various, and Common has steel box-girder, steel reinforced concrete to combine
Beam, beams of concrete, construction have erection crane installation, Bridge Erector installation, support cast-in-place, mostly use overall pier during design
Body, double width separate type bridge deck structure.Separation type box girder section assembling gluing, the construction of wet seam, the modification of beam bottom etc. are required for using
Construction platform is carried out, and has truss monoblock type and girder truss to be disconnected at middle part along both ends currently used for separation type box girder construction trolley
Free end is be hinged two kinds.Truss monoblock type maintenance chassis often constructs completion once across dismounting, is then mounted to next across, it is necessary to rise
Heavy equipment coordinates, and procedures are more, construction trouble；Disconnected in the middle part of girder truss along free end radial type construction trolley, Zhi Nengshi
The separation type box girder construction of split type pier shaft is answered, is restricted for monoblock type pier shaft.Box girder construction is substantially work high above the ground,
Difficulty of construction and potential safety hazard are big.Should be easy to operate, economic and practical in construction, and can ensures that the construction trolley of safety is case
The key of beam construction.
Utility model content
The purpose of this utility model seeks to the deficiency for solving above-mentioned background technology, there is provided one kind can be suitably used for monoblock type pier
The box beam maintenance construction of body, and can ensure that the high open-close type of the safe, practical property of operating personnel crosses pier box beam maintenance construction trolley.
In order to achieve this, the open-close type designed by the utility model crosses pier box beam maintenance construction trolley, including it is erected on
The chassis truss of box beam both sides, the chassis truss include the first truss being erected on the outside of box beam and are erected on the inside of box beam
Second truss, bottom boom frame, the outer end of the bottom boom frame are connected between the bottom of first truss and the bottom of the second truss
It is articulated and connected with the bottom of the first truss, the inner of the bottom boom frame coordinates with the bottom of the second truss to be fixed, the bottom boom frame
It is inner hoist engine is connected with by steel wire rope, the steel wire rope includes being fixedly connected with the inner of bottom boom frame, man-hour manually hand-held mistake
First steel wire rope of pier and the second steel wire rope for being wound on the roller of hoist engine, being lifted bottom boom frame, first steel wire rope
End is fixedly connected with the end of the second steel wire rope by rope clamp, and the hoist engine is fixed on the second truss；The chassis purlin
The top of frame is provided with the walking mechanism walked along box beam axis direction.
Specifically, top surface is equipped with walking track, the walking along its axial direction respectively inside and outside the box beam
Mechanism includes the walking roller for being arranged at the top of the first truss and the top of the second truss and being engaged with walking track.
Specifically, hinge is fixedly connected with respectively at the top of the outermost end girder truss of the bottom boom frame and at the top of inner terminal girder truss
Fishplate bar and fixed plate, hinging pin shaft via is provided with the articulated slab, fixed pin shaft via and steel wire are provided with the fixed plate
Restrict fixing hole, be provided with axis hole corresponding with hinging pin shaft via on the girder truss of the bottom outermost end of first truss, it is described
Connected between hinging pin shaft via and axis hole by hinging pin shaft；The bottom of second truss is most provided with the girder truss of inner side
Axis hole corresponding with fixed pin shaft via, connected between the fixed pin shaft via and axis hole by fixed pin shaft.
Preferably, the outside of the top truss beam of the bottom boom frame and inner side have been respectively fixedly connected with the first location-plate and
Two location-plates, the first bearing pin positioning hole and the second bearing pin positioning hole are had on first location-plate and the second location-plate,
The bottom of first truss is most provided with axis hole corresponding with the first bearing pin positioning hole on the girder truss of inner side, and first bearing pin is determined
Connected by alignment pin between position hole and axis hole, be provided with and the second bearing pin on the bottom outermost girder truss of second truss
Axis hole corresponding to positioning hole, connected between the second bearing pin positioning hole and axis hole by alignment pin.
Further, the top of first truss is located at side and the top of the second truss in box beam upper truss body and is located at
It is respectively arranged with the first balancing weight and the second balancing weight on the outside of joist body above box beam, the weight of first balancing weight is than the
The weight of two balancing weights is big.
Further, the bottom and bottom of first truss, the bottom of the second truss and bottom and the top of bottom boom frame
Portion is equipped with construction platform, construction platform and the joist body at the top of the first truss above box beam of the first truss bottom
Between be connected with the first cat ladder, construction platform and the truss at the top of the first truss above box beam of the second truss bottom
The second cat ladder is connected between body, is connected between the construction platform of the bottom boom top of the trellis and the construction platform of the first truss bottom
There is the 3rd cat ladder, being connected with the 4th between the construction platform of the bottom boom top of the trellis and the construction platform of the second truss bottom climbs
Ladder.
The beneficial effects of the utility model are：1st, consolidate by bottom boom frame and the first truss be hinged and with the second truss
It is fixed, realize that big open-close type crosses pier construction, construction applicability is good, can be used for various girder system constructions, particularly to single pier separation type box
Beam and double split type box girder constructions of pier have preferable applicability.2nd, side truss, bottom boom frame operating platform are tubular object extruding system
Make, it is in light weight, rigidity is big, adapt to the main girder construction compared with large span.3rd, construction trolley is provided with tackling system and automatically walk
System, chassis crosses pier conveniently, simple to operate, effectively shortens the construction period.4th, chassis hanger, side truss, on operating platform
Provided with railing and closed platform, the safety of workmen can guarantee that.
Brief description of the drawings
Fig. 1 is chassis front view when the utility model midsole truss is closed；
Fig. 2 is chassis front view when the utility model midsole truss is opened；
Fig. 3 is the front view of the utility model midsole truss；
Fig. 4 is construction of wire rope figure in the utility model；
Wherein, the 1-the first truss (the 1.1-the first top truss, the 1.2-the first vertical girder truss, the 1.3-the first side truss,
1.4-the first cat ladder, the 1.5-the three cat ladder), the 2-the second truss (the 2.1-the second top truss, the 2.2-the second vertical girder truss,
2.3-the second side truss, the 2.4-the second cat ladder, the 2.5-the four cat ladder), 3-box beam, 4-bottom boom frame, 5-hoist engine, 6-
First steel wire rope, the 7-the second steel wire rope, 8-rope clamp, 9-walking roller, 10-vertical supporting leg, 11-articulated slab, 12-fixed
Plate, 13-hinging pin shaft via, 14-fixed pin shaft via, 15-steel wire rope fixing hole, 16-hinging pin shaft, 17-steady pin
Axle, the 18-the first location-plate, the 19-the second location-plate, 20-alignment pin, the 21-the first bearing pin positioning hole, the 22-the second bearing pin
Positioning hole, 23-first pulley, 24-second pulley, the 25-the first balancing weight, the 26-the second balancing weight, 27-construction platform,
28-box beam bearing, 29-bridge pier, 30-guard rail, 31-protective cover, 32-walking track.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Open-close type as shown in Fig. 1-4 crosses pier box beam maintenance construction trolley, including is erected on the chassis purlin of the both sides of box beam 3
Frame, chassis truss include the first truss 1 for being erected on the outside of box beam 3 and are erected on the second truss 2 of the inner side of box beam 3 (with remote
The side of the axis of bridge pier 29 is the alleged outside of the utility model, using the side of the close axis of bridge pier 29 as the utility model
Alleged inner side, similarly hereinafter), be connected with bottom boom frame 4 between the bottom of the bottom of the first truss 1 and the second truss 2, bottom boom frame 4 it is outer
The bottom with the first truss 1 is held to be articulated and connected, the inner of bottom boom frame 4 coordinates with the bottom of the second truss 2 to be fixed, bottom boom frame 4
It is inner that hoist engine 5 is connected with by steel wire rope, steel wire rope include the first steel wire rope 6 being fixedly connected with the inner of bottom boom frame 4 and
The end of the second steel wire rope 7 being wound on the roller of hoist engine 5, the end of the first steel wire rope 6 and the second steel wire rope 7 passes through rope
Folder 8 is fixedly connected, and hoist engine 5 is fixed on the second truss 2；The top of chassis truss is provided with along the walking of the axis direction of box beam 3
Walking mechanism.Top surface is equipped with walking track 32 along its axial direction respectively inside and outside box beam 3, and walking mechanism includes setting
In the top of the first truss 1 and the top of the second truss 2 and with the walking roller 9 that is engaged of walking track 32.
First truss 1 includes the first hanger and below the first hanger and towards the inclined first side truss 1.3 of box beam 3,
First hanger includes the first top truss 1.1 that is horizontally disposed and being located above the outer top surface of box beam 3 and is vertically disposed to the first top
The outside of truss 1.1, the first vertical girder truss 1.2 connected as one with the first top truss 1.1, the first vertical girder truss 1.2
It is axially arranged with the first cat ladder 1.4 along it, the outside girder truss of the first side truss 1.3 is fixedly connected with the first vertical girder truss 1.2,
The bottom of first top truss 1.1 is fixedly connected with vertical supporting leg 10, and walking roller 9 is arranged at the bottom of vertical supporting leg 10；
Second truss 2 includes the second hanger and below the second hanger and towards the inclined second side truss 2.3 of box beam 3,
Second hanger includes the second top truss 2.1 that is horizontally disposed and being located at the inner side top face of box beam 3 and is vertically disposed to the second top
The inner side of truss 2.1, the second vertical girder truss 2.2 connected as one with the second top truss 2.1, the second side truss 2.2 along its
It is axially arranged with the second cat ladder 2.4, the inner side girder truss of the second side truss 2.3 is fixedly connected with the second vertical girder truss 2.2, and second
The bottom of top truss 2.1 is fixedly connected with vertical supporting leg 10, and walking roller 9 is arranged at the bottom of vertical supporting leg 10, and hoist engine 5 is solid
Due to the outside top of the second top truss 2.1；
The bottom and the outer end of bottom boom frame 4 of first side truss 1.3 are articulated and connected, the bottom of the second side truss 2.3 and bottom boom
The inner of frame 4 coordinates fixation.Hinge is fixedly connected with respectively at the top of the outermost end girder truss of bottom boom frame 4 and at the top of inner terminal girder truss
Fishplate bar 11 and fixed plate 12, hinging pin shaft via 13 is provided with articulated slab 11, the He of fixed pin shaft via 14 is provided with fixed plate 12
Steel wire rope fixing hole 15, it is provided with the girder truss of the bottom outermost end of the first side truss 1.3 corresponding with hinging pin shaft via 13
Axis hole, connected between hinging pin shaft via 13 and axis hole by hinging pin shaft 16；The purlin of the bottom of second side truss 2.3 most inner side
Be provided with setting a roof beam in place with 14 corresponding axis hole of fixed pin shaft via, connected between fixed pin shaft via 14 and axis hole by fixed pin shaft 17
Connect.
The outside and inner side of the top truss beam of bottom boom frame 4 have been respectively fixedly connected with the first location-plate 18 and the second location-plate
19, the first bearing pin positioning hole 21 and the second bearing pin positioning hole 22 are had on the first location-plate 18 and the second location-plate 19,
The bottom of side truss 1.3 is most provided with and 21 corresponding axis hole of the first bearing pin positioning hole, the positioning of the first bearing pin on the girder truss of inner side
Connected, be provided with the bottom outermost girder truss of the second side truss 2.3 and second by alignment pin 20 between hole 21 and axis hole
Axis hole corresponding to bearing pin positioning hole 22, connected between the second bearing pin positioning hole 22 and axis hole by alignment pin 20.
The top and bottom of second cat ladder 2.4 are respectively equipped with first pulley 23 and second pulley 24, and steel wire rope bypasses successively
First pulley 23 and second pulley 24 are fixed with steel wire rope fixing hole 15.
The inner side of first top truss 1.1 and the outside of the second top truss 2.1 are respectively arranged with the first balancing weight 25 and second
Balancing weight 26, the weight of the first balancing weight 25 are bigger than the weight of the second balancing weight 26.
The middle part and bottom of first side truss 1.3, the middle part of the second side truss 2.3 and bottom and the top of bottom boom frame 4
Construction platform 27 is equipped with, the bottom of the first cat ladder 1.4 is fixed in the construction platform 27 at the middle part of the first side truss 1.3, the
The bottom of two cat ladders 2.4 is fixed in the construction platform 27 at the middle part of the second side truss 2.3, the construction platform at the top of bottom boom frame 4
The 3rd cat ladder 1.5, the construction platform at the top of bottom boom frame 4 are connected between 27 and the construction platform 27 at the middle part of the first side truss 1.3
The 4th cat ladder 2.5 is connected between 27 and the construction platform 27 at the middle part of the second side truss 2.3.
The method of work of pier box beam maintenance construction trolley is crossed based on above-mentioned open-close type, is comprised the following steps：
1) the first truss 1 and the second truss 2, are made in factory process, the first truss 1 and the second truss 2 are transported to scene
The first vertical girder truss 1.2 is welded with the first side truss 1.3 afterwards it is integral, by the second vertical side purlin of girder truss 2.2 and second
Frame 2.3 welds integral；
2), the laying walking track 32 inside and outside the edge of a wing plate face of box beam 3, using crane gear out of box beam 3
Outer both sides load the first truss 1 and the second truss 2, and the first truss 1 and the second truss 2 are fixed temporarily, in the first top truss
1.1 and second install the first balancing weight 25 and the second balancing weight 26 in top truss 2.1 respectively, and by the first balancing weight 25 and second
The fixation of balancing weight 26, wire rope hoist 5 is installed in the top outer of the second top truss 2.1, at the top of the second cat ladder 2.4
First pulley 23 and second pulley 24 are installed respectively with bottom；
3) bottom boom frame 4, installation hinging pin shaft 16, alignment pin 20 and fixed pin shaft 17, the bottom of by, are lifted by crane using crane gear
Truss 4 is connected integral with the first side truss 1.3 and the second side truss 2.3, and man-hour manually hand-held steel wire rope bypasses first pulley successively
23rd, it is fixed on after second pulley 24 in steel wire rope fixing hole 15；
4) axial advancement of the maintenance chassis along box beam 3, is drawn by electric hoist, workmen is via the He of the first cat ladder 1.4
3rd cat ladder 1.5 carries out box girder construction via the construction platform for entering bottom boom frame 4 after the second cat ladder 2.4 and the 4th cat ladder 2.5；
5) one, is completed after box girder construction, and maintenance chassis is rested in by bridge pier, fixes the first truss 1 and second temporarily
Truss 2, alignment pin 20 and fixed pin shaft 17 are opened, rope clamp 8, people are opened after transferring bottom boom frame 4 to vertical state by hoist engine 5
Work holds the first steel wire rope 6 and bypasses box beam bearing 28, the first steel wire rope 6 and bottom boom frame 4 is located at the same side, reach maintenance chassis
After bridge pier 29, the first truss 1 and the second truss 2 are fixed temporarily, and the first steel wire rope of man-hour manually hand-held 6 returns around box beam bearing 28
To the side of the second truss 2, the first steel wire rope 6 and the second steel wire rope 7 are connected by rope clamp 8, steel wire rope is tightened up using hoist engine 5, carries
Bottom boom frame 4 is risen to horizontality, alignment pin 20 and fixed pin shaft 17 is plugged, makes the first truss 1, the second truss 2 and bottom boom frame 4
Form hands-off operation platform.
6) 4-5, are repeated the above steps until whole box girder constructions is completed.
, can be in entirety when bridge pier 29 is monoblock type bridge pier, box beam 3 is to be set up in separation type box girder on monoblock type bridge pier
Laying walking track 32 and the erection maintenance respectively in the box beam 3 of monoblock type bridge pier both sides respectively in the box beam 3 of formula bridge pier both sides
Chassis, maintenance construction is carried out simultaneously to the box beam 3 of monoblock type bridge pier both sides.
A kind of open-close type disclosed in the utility model is crossed in pier box beam maintenance construction construction trolley and its method of work, described
Hanger upper end hangs over Liang Mianshang, lower end and side truss welding.Hanger is steel truss, and hanger is expert at by the support of walking roller 9
Walk on track 32；Hanger beam face platform is provided with counterweight, to balance out-of-balance force of the construction platform in different operating modes；
A hoist engine 5 and leading block are provided with close to bridge axle line side hanger.The side truss profile is diamond structure, using tubing
Processing and fabricating, node are connected using steel plate, and lower end is connected with the operating platform of bottom boom frame 4 by bearing pin, and side truss is provided with and applied
Work platform 27 and guard rail 30.
The construction platform 27 of the bottom boom frame 4 is made using tubular object extruding, and node is connected using steel plate；Bottom boom frame 4 is applied
Work platform 27 is connected with the side truss in outside by hinging pin shaft 16, and bottom boom frame 4 can be vertically free around hinging pin shaft 16
Rotate；Bottom boom frame 4 is connected with the side truss of inner side by fixed pin shaft 17.Bearing pin, 4, bottom boom frame and side truss are plugged during construction
Formed overall；Bearing pin is extracted when crossing pier, bottom boom frame 4 and the side truss of inner side are disconnected, and bottom boom frame 4 is transferred around swivel pin by hoist engine
Axle is turned on the outside of pier shaft, and construction trolley crosses pier.Manual operation is convenient, and structure is readily produced manufacture, practical.
It is described above, only it is preferred embodiment of the present utility model, not structure of the present utility model is done any
Formal limitation.Every any simple modification made according to the technical essence of the utility model to above example, it is equal
Change and modification, in the range of still falling within the technical solution of the utility model.
Claims (6)
1. a kind of open-close type crosses pier box beam maintenance construction trolley, including is erected on the chassis truss of box beam (3) both sides, its feature exists
In：The chassis truss includes being erected on the first truss (1) on the outside of box beam (3) and the second purlin being erected on the inside of box beam (3)
Frame (2), bottom boom frame (4), the bottom boom frame are connected between the bottom of first truss (1) and the bottom of the second truss (2)
(4) bottom of outer end and the first truss (1) is articulated and connected, and the inner and the bottom of the second truss (2) of the bottom boom frame (4) are matched somebody with somebody
Close and fix, the inner of the bottom boom frame (4) is connected with hoist engine (5) by steel wire rope, and the steel wire rope includes and bottom boom frame (4)
The inner be fixedly connected, man-hour manually hand-held crosses the first steel wire rope (6) of pier and is wound on the roller of hoist engine (5), lifts bottom boom
The second steel wire rope (7) of frame (4), the end of first steel wire rope (6) and the end of the second steel wire rope (7) pass through rope clamp (8)
It is fixedly connected, the hoist engine (5) is fixed on the second truss (2)；The top of the chassis truss is provided with along box beam (3) axis
The walking mechanism of direction walking.
2. a kind of open-close type as claimed in claim 1 crosses pier box beam maintenance construction trolley, it is characterised in that：The box beam (3)
Inside and outside top surface respectively along its axial direction be equipped with walking track (32), the walking mechanism include be arranged at the first purlin
The top of frame (1) and the top of the second truss (2) and the walking roller (9) being engaged with walking track (32).
3. a kind of open-close type as claimed in claim 1 crosses pier box beam maintenance construction trolley, it is characterised in that：The bottom boom frame
(4) articulated slab (11) and fixed plate (12) are fixedly connected with respectively at the top of outermost end girder truss and at the top of inner terminal girder truss,
Hinging pin shaft via (13) is provided with the articulated slab (11), fixed pin shaft via (14) and steel are provided with the fixed plate (12)
Cord fixing hole (15), it is right with hinging pin shaft via (13) to be provided with the girder truss of the bottom outermost end of first truss (1)
The axis hole answered, the hinging pin shaft via (13) are connected between axis hole by hinging pin shaft (16)；Second truss (2)
Bottom is most provided with axis hole corresponding with fixed pin shaft via (14), the fixed pin shaft via (14) and axle on the girder truss of inner side
Connected between hole by fixed pin shaft (17).
4. a kind of open-close type as claimed in claim 3 crosses pier box beam maintenance construction trolley, it is characterised in that：The bottom boom frame
(4) outside and inner side of top truss beam have been respectively fixedly connected with the first location-plate (18) and the second location-plate (19), described
The first bearing pin positioning hole (21) and the second bearing pin positioning hole are had on first location-plate (18) and the second location-plate (19)
(22), the bottom of first truss (1) is most provided with axis hole corresponding with the first bearing pin positioning hole (21), institute on the girder truss of inner side
State the first bearing pin positioning hole (21) to be connected by alignment pin (20) between axis hole, the bottom outermost of second truss (2)
Axis hole corresponding with the second bearing pin positioning hole (22) is provided with the girder truss of side, the second bearing pin positioning hole (22) is between axis hole
Connected by alignment pin (20).
5. a kind of open-close type as claimed in claim 1 crosses pier box beam maintenance construction trolley, it is characterised in that：First truss
(1) top is located at side and the top of the second truss (2) in box beam (3) upper truss body and is located at the joist body above box beam (3)
Outside is respectively arranged with the first balancing weight (25) and the second balancing weight (26), and the weight of first balancing weight (25) is matched somebody with somebody than second
The weight of pouring weight (26) is big.
6. a kind of open-close type as claimed in claim 1 crosses pier box beam maintenance construction trolley, it is characterised in that：First truss
(1) construction platform (27) is equipped with the top of bottom and bottom, the bottom of the second truss (2) and bottom and bottom boom frame (4),
Between joist body at the top of the construction platform (27) and the first truss (1) of first truss (1) bottom above box beam (3)
The first cat ladder (1.4) is connected with, the construction platform (27) of the second truss (2) bottom at the top of the first truss (1) with being located at case
It is connected with the second cat ladder (2.4) between joist body above beam (3), the construction platform (27) at the top of the bottom boom frame (4) and the
It is connected with the 3rd cat ladder (1.5) between the construction platform (27) of one truss (1) bottom, the construction at the top of the bottom boom frame (4) is put down
The 4th cat ladder (2.5) is connected between the construction platform (27) of platform (27) and the second truss (2) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720425810.0U CN206721675U (en) | 2017-04-21 | 2017-04-21 | A kind of open-close type crosses pier box beam maintenance construction trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720425810.0U CN206721675U (en) | 2017-04-21 | 2017-04-21 | A kind of open-close type crosses pier box beam maintenance construction trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206721675U true CN206721675U (en) | 2017-12-08 |
Family
ID=60505150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720425810.0U Withdrawn - After Issue CN206721675U (en) | 2017-04-21 | 2017-04-21 | A kind of open-close type crosses pier box beam maintenance construction trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206721675U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917353A (en) * | 2017-04-21 | 2017-07-04 | 中交第二航务工程局有限公司 | A kind of open-close type crosses pier box beam maintenance construction trolley and its method of work |
| CN111719425A (en) * | 2020-07-03 | 2020-09-29 | 深圳市人工智能与机器人研究院 | Bridge bottom surface detection method and bridge bottom surface detection system |
-
2017
- 2017-04-21 CN CN201720425810.0U patent/CN206721675U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917353A (en) * | 2017-04-21 | 2017-07-04 | 中交第二航务工程局有限公司 | A kind of open-close type crosses pier box beam maintenance construction trolley and its method of work |
| CN106917353B (en) * | 2017-04-21 | 2019-05-17 | 中交第二航务工程局有限公司 | A kind of open-close type crosses pier box beam maintenance construction trolley and its working method |
| CN111719425A (en) * | 2020-07-03 | 2020-09-29 | 深圳市人工智能与机器人研究院 | Bridge bottom surface detection method and bridge bottom surface detection system |
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Granted publication date: 20171208 Effective date of abandoning: 20190517 |