CN210064942U - Large-scale hangar multi-pivot suspension shared crane - Google Patents

Large-scale hangar multi-pivot suspension shared crane Download PDF

Info

Publication number
CN210064942U
CN210064942U CN201920632889.3U CN201920632889U CN210064942U CN 210064942 U CN210064942 U CN 210064942U CN 201920632889 U CN201920632889 U CN 201920632889U CN 210064942 U CN210064942 U CN 210064942U
Authority
CN
China
Prior art keywords
girder
connecting plate
push rod
main beam
crane
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.)
Active
Application number
CN201920632889.3U
Other languages
Chinese (zh)
Inventor
周刚
曾泉清
蒋金虎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangyin Dingli Hi-Tech Crane Machinery Co Ltd
Original Assignee
Jiangyin Dingli Hi-Tech Crane Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangyin Dingli Hi-Tech Crane Machinery Co Ltd filed Critical Jiangyin Dingli Hi-Tech Crane Machinery Co Ltd
Priority to CN201920632889.3U priority Critical patent/CN210064942U/en
Application granted granted Critical
Publication of CN210064942U publication Critical patent/CN210064942U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)

Abstract

The utility model relates to a many fulcrums of mainframe storehouse hang sharing hoist, including first girder and second girder, first girder both ends are connected with the second girder through crossing mechanism, cross the servo electric putter of crossing the mechanism including setting up at second girder tip upper surface, servo electric putter's the articulated safety shield linkage push rod of one end, safety shield linkage push rod upper end fixed connection slide bar, safety shield linkage push rod passes through the middle part of the rotatory rail that connects of traction spring connection, the lower part of rotatory rail that connects is articulated with the second girder, the corresponding rotatory rail that connects of lower part is equipped with first limit switch and second limit switch respectively on the second girder, first girder tip articulates there is rotatory safety shield, first girder upper portion corresponds rotatory safety shield and is equipped with third limit switch. The utility model discloses a sharing of hoisting mechanism dolly, simple to operate, the operation is steady, and the braking is mild, safe and reliable.

Description

Large-scale hangar multi-pivot suspension shared crane
Technical Field
The utility model relates to a hoist technical field, concretely relates to many fulcrums of mainframe storehouse hang sharing hoist.
Background
At present, a general suspension crane has two support points with short stroke and small span; the traditional multi-fulcrum crane often has the phenomena that the rail installation precision cannot meet the technical requirements due to the design defects of the crane, the crane is blocked in operation, wheels and rails are abraded, and the driving of a cart is also often damaged, so that the crane has frequent faults, the service life of the crane is shortened, and the economic cost of maintenance and repair is obviously increased; the large-scale hangar has long depth and wide span, and the crane has to be a large-span and multi-pivot; the multiple pivots of the hangar are three or more pivots in the span direction; in the travel range, the whole length of the hangar is provided with a plurality of tracks; straightness, flatness, height difference and parallelism between a traditional track hanging point and a joint are difficult to guarantee; the cranes are in charge of respective hoisting areas, and the spanning sharing of the hoisting trolleys of the cranes cannot be realized; the high installation requirement of the ball joint track of the net rack of the large hangar is met; additionally adding high requirements of structure downwarping, civil engineering foundation settlement and spanning and sharing of a large-scale hangar multi-pivot suspension crane; the traditional multi-pivot suspension crane is difficult to meet the relevant requirements.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned not enough, provide a sharing hoist is hung to many fulcrums of mainframe storehouse, realized the sharing of hoisting mechanism dolly, simple to operate, operate steadily, the braking is mild, safe and reliable.
The purpose of the utility model is realized like this:
a multi-fulcrum suspension sharing crane of a large-scale hangar comprises a multi-fulcrum suspension crane and a suspension crane, wherein the multi-fulcrum suspension crane comprises a first main beam and a first cart track beam, the suspension crane comprises a second main beam and a second cart track beam, two ends of the first main beam are connected with the second main beam through a cross mechanism, the cross mechanism comprises a servo electric push rod arranged on the upper surface of the end part of the second main beam, one end of the servo electric push rod is hinged with a safety baffle linkage push rod, the upper end of the safety baffle linkage push rod is fixedly connected with a sliding rod, the safety baffle linkage push rod is connected with the middle part of a rotary rail through a traction spring, the lower part of the rotary rail is hinged with the second main beam, the upper part and the lower part of the second main beam are respectively provided with a first limit switch and a second limit switch corresponding to the rotary rail, the end part of the first main beam is hinged with a rotary safety baffle, a third limit switch is arranged at the upper part of the first main beam corresponding to the rotary safety baffle;
the sliding rod is sleeved in the support on the upper surface of the second main beam, the end part of the support is hinged with the guide groove, the upper surface of the end part of the first main beam is provided with a guide wheel corresponding to the guide groove, and the guide wheel is arranged on the guide wheel support.
Preferably, the first cart track beam is provided with a plurality of longitudinal beams, and the joint of two adjacent longitudinal beams is detachable.
Preferably, the upper surfaces of the joints of two adjacent longitudinal beams are provided with positioning section steel, the two side surfaces of the joints of the two adjacent longitudinal beams are provided with positioning connecting plates, one end of the positioning section steel and one end of each positioning connecting plate are welded on one longitudinal beam, and the other end of the positioning section steel and the other end of each positioning connecting plate are connected with the other longitudinal beam through fixing bolts respectively.
Preferably, each longitudinal beam is provided with a rail connecting plate, and the rail connecting plates are connected with the three-dimensional hoisting points through suspension bolt sets.
Preferably, the three-dimensional hoisting point comprises a connecting body and a net rack ball joint arranged above the connecting body, a first connecting plate is arranged at the bottom of the net rack ball joint, a second connecting plate is connected to the upper end of the connecting body, an adjusting hoisting plate is connected to the lower end of the connecting body, the adjusting hoisting plate is connected with the track connecting plate through a suspension bolt group, and the second connecting plate is connected with the first connecting plate through a connection bolt group.
Preferably, the first connecting plate is provided with a longitudinal waist-shaped hole, and the second connecting plate is provided with a transverse waist-shaped hole corresponding to the longitudinal waist-shaped hole.
Preferably, the first main beam is provided with a plurality of cross beams, and two adjacent cross beams are butted through bolts.
The utility model has the advantages that:
after the multi-fulcrum suspension sharing crane of the large hangar is installed and debugged, the track precision of the spherical node of the net rack of the large hangar can be ensured; the multi-pivot suspension crane runs stably and smoothly without resistance; the unique cross-over technology enables the crane lifting trolley to safely and stably cross over among the cross-over cranes, realizes the perfect sharing of the lifting trolley and makes full use of resources; the rail joint of girder and cart track roof beam of many fulcrums suspension crane can be dismantled, and whole installation need not the welding, and high altitude construction's time obviously shortens, has improved the installation effectiveness greatly, and simultaneously, orbital installation accuracy is guaranteed more easily than traditional mounting method, very big improvement production efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic cross-over view of the cross-over mechanism.
FIG. 3 is a schematic diagram of the over-span mechanism without over-span.
Fig. 4 is a left side view of the first cart track beam of fig. 1.
Fig. 5 is a sectional view a-a of fig. 4.
Fig. 6 is a partially enlarged view of the three-dimensional suspension point of fig. 1.
Fig. 7 is a schematic view of a first connecting plate of the cross-sectional view B-B of fig. 6.
Fig. 8 is a schematic view of a second web of the cross-sectional view C-C of fig. 6.
Fig. 9 is a top view of the adjustment hanger plate and suspension bolt of fig. 6.
Wherein: a first main beam 1; a first cart track beam 2; longitudinal beams 2.1; 2.2, positioning the section steel; positioning the connecting plate 2.3; a rail connecting plate 2.4; a suspension bolt group 2.5; 2.6 of three-dimensional hoisting points; linker 2.6.1; the net rack ball joint is 2.6.2; a first connection plate 2.6.3; a longitudinal waist-shaped hole 2.6.3.1; a second connecting plate 2.6.4; transverse waist-shaped apertures 2.6.4.1; adjusting the hanging plate 2.6.5; a first through hole 2.6.5.1; the bolt group is connected 2.6.6; a transverse positioning channel 2.6.7; a safety block 2.6.8; a longitudinal positioning channel 2.6.9; a second main beam 3; a servo electric push rod 4; the safety baffle is linked with the push rod 5; a slide lever 6; a bracket 7; a guide groove 8; a traction spring 9; a rotary joint rail 10; a first limit switch 11; a second limit switch 12; rotating the safety barrier 13; a third limit switch 14; a guide wheel 15; a stator bracket 16; a safety catch shaft 17.
Detailed Description
Referring to fig. 1-9, the utility model relates to a multi-fulcrum suspension sharing crane for large hangar, comprising a multi-fulcrum suspension crane and a suspension crane, wherein the multi-fulcrum suspension crane comprises a first main beam 1 and a first cart track beam 2, the suspension crane comprises a second main beam 3 and a second cart track beam 4, two ends of the first main beam 1 are connected with the second main beam 3 through a striding mechanism, the striding mechanism comprises a servo electric push rod 4 arranged on the upper surface of the end part of the second main beam 3, one end of the servo electric push rod 4 is hinged with a safety baffle linkage push rod 5, the upper end of the safety baffle linkage push rod 5 is fixedly connected with a slide rod 6, the slide rod 6 is sleeved in a bracket 7 on the upper surface of the second main beam 3, the end part of the bracket 7 is hinged with a guide groove 8, the safety baffle linkage push rod 5 is connected with the middle part of a rotary rail 10 through a traction spring 9, the lower part of rotatory guided way 10 is articulated with second girder 3, the lower part corresponds rotatory guided way 10 and is equipped with first limit switch 11 and second limit switch 12 respectively on second girder 3, 1 tip of first girder articulates there is rotatory safety shield 13, 1 upper portion of first girder corresponds rotatory safety shield 13 and is equipped with third limit switch 14, 1 lower part of first girder is equipped with safe fender axle 17, and safe fender axle 17 carries out safety limit to rotatory safety shield 13, prevents that the rail dolly from droing, the tip upper surface of first girder 1 corresponds guide way 8 and is equipped with guide pulley 15, and guide pulley 15 sets up on guide pulley support 16.
First big car track roof beam 2 is equipped with a plurality of longerons 2.1, and two adjacent longeron 2.1 junctions are for dismantling.
Two adjacent longeron 2.1 junctions upper surfaces are equipped with location shaped steel 2.2, both sides face is equipped with positioning connection board 2.3, the one end welding of location shaped steel 2.2 one end and positioning connection board 2.3 is on a longeron 2.1, the other end of location shaped steel 2.2 other end and positioning connection board 2.3's the other end is connected with another longeron 2.1 through fixing bolt respectively.
And each longitudinal beam 2.1 is provided with a track connecting plate 2.4, and the track connecting plates 2.4 are connected with three-dimensional hoisting points 2.6 through suspension bolt groups 2.5. The two adjacent longitudinal beams 2.1 are not required to be welded in the installation process, the time of high-altitude operation is obviously shortened, the installation efficiency is greatly improved, meanwhile, the installation precision of the rails is easier to guarantee than that of the traditional installation method, and the production efficiency is greatly improved.
Three-dimensional hoisting point 2.6 includes connector 2.6.1 and the net rack ball joint 2.6.2 of setting in connector 2.6.1 top, net rack ball joint 2.6.2's bottom is equipped with first connecting plate 2.6.3, second connecting plate 2.6.4 is connected to connector 2.6.1's upper end, and regulation hanger plate 2.6.5 is connected to the lower extreme, it is connected with track connecting plate 2.4 through hanging bolt group 2.5 to adjust hanger plate 2.6.5, second connecting plate 2.6.4 is connected with first connecting plate 2.6.3 through connecting bolt group 2.6.6.
The first connecting plate 2.6.3 is provided with a longitudinal waist-shaped hole 2.6.3.1, and the second connecting plate 2.6.4 is provided with a transverse waist-shaped hole 2.6.4.1 corresponding to the longitudinal waist-shaped hole 2.6.3.1. The longitudinal waist-shaped hole 2.6.3.1 adjusts the running direction of the cart, and the transverse waist-shaped hole 2.6.4.1 adjusts the running direction of the trolley.
Be equipped with first through-hole 2.6.5.1 on adjusting hanger plate 2.6.5, hang bolt group 2.5 including the suspension bolt, the last upper and lower cover that is located first through-hole 2.6.5.1 of suspension bolt is equipped with first packing ring and second packing ring respectively. And an adjusting nut is further arranged between the second gasket and the track connecting plate 2.4, and the adjusting nut is sleeved on the suspension bolt. The vertical lifting direction is adjusted by adjusting the suspension bolt group 2.5.
The suspension bolt is offset from the center of the first through hole 2.6.5.1 by 30 ± 2 mm. The lateral and longitudinal adjustment of the adjusting hanger plate 2.6.5 is performed primarily by the presence of the centre offset of the suspension bolt from the first through hole 2.6.5.1.
The vertical waist-shaped hole 2.6.3.1 and the horizontal waist-shaped hole 2.6.4.1 are connected through a connecting bolt group 2.6.6, and a third gasket is respectively sleeved on the connecting bolt of the connecting bolt group 2.6.6, which is positioned above the vertical waist-shaped hole 2.6.3.1 and below the horizontal waist-shaped hole 2.6.4.1.
After the three-dimensional hoisting point is debugged, transverse positioning channel steel 2.6.7 is arranged at two transverse ends of the adjusting hanging plate 2.6.5, an insurance safety block 2.6.8 is arranged at one side, close to the adjusting hanging plate 2.6.5, of the upper end of the transverse positioning channel steel 2.6.7, and the lower end of the transverse positioning channel steel 2.6.7 is welded with the track connecting plate 2.4; the longitudinal end of the adjusting hanger plate 2.6.5 is provided with a longitudinal positioning channel 2.6.9, the longitudinal positioning channel 2.6.9 is welded with the longitudinal beam 2.1, and the transverse positioning channel 2.6.7 and the longitudinal positioning channel 2.6.9 are used for respectively limiting the transverse safety and the longitudinal safety of the adjusting hanger plate 2.6.5.
Because there is the clearance in the hole of first through-hole 2.6.5.1 and track connecting plate 2.4 and suspension bolt group 2.5, in the dolly operation and the braking process, can produce horizontal shearing force to suspension bolt group 2.5, after cart track straightness accuracy adjustment, on-the-spot welding horizontal positioning channel-section steel 2.6.7 and longitudinal positioning channel-section steel 2.6.9, horizontal positioning channel-section steel 2.6.7 and longitudinal positioning channel-section steel 2.6.9 after the welding offset with adjusting hanger plate 2.6.5, prevent that horizontal load from producing the shear to suspension bolt group 2.5, simultaneously, guarantee that the span interval between each cart track does not produce the change. Safety block 2.6.8 acts as a safety device to prevent the rail from falling after the suspension bolt becomes loose or damaged.
The vertical lifting direction is adjusted by the suspension bolts, the direction of the cart is adjusted by adjusting the longitudinal waist-shaped holes by the first connecting plate, the direction of the trolley is adjusted by adjusting the transverse waist-shaped holes by the second connecting plate, and the deviation of the hoisting points of the cart and the trolley can be adjusted respectively and simultaneously by adjusting the hoisting plates and the gaskets. The system simultaneously integrates the design requirements and the installation requirements of the multi-branch point suspension crane on the rail hoisting points, not only provides reliable design for the installation of the large-span net rack ball node rail, but also greatly reduces the installation and adjustment difficulties of the hoisting points and the rail; and reliable and high-requirement rail installation precision guarantee is provided for normal work of the large-span and multi-fulcrum crane.
First girder 1 is equipped with a plurality of crossbeams, and two adjacent crossbeams pass through the bolt butt joint.
The spanning mechanism works as follows:
1. when the servo electric push rod is not strided, the servo electric push rod is at the initial position, and the guide groove 8 is in a vertical state;
2. when the hoisting trolley needs to be shared in a cross-span mode, the suspension crane cart runs at the cross-span speed, the servo electric push rod 4 acts, the servo electric push rod 4 pushes the safety baffle linkage push rod 5 and the sliding push rod 6 to be linked, the guide groove 8 is turned over in place, and the cart continues to run, so that the cart smoothly enters a cross-span positioning area; the cart accurately reaches the crossing position through two-stage limiting of speed reduction and stopping; the servo electric push rod 4 continues to act, the safety baffle linkage push rod 5 pushes the rotary safety baffle 13 to rotate, the safety baffle linkage push rod 13 rotates to the position, and the third limit switch 14 acts; meanwhile, the safety baffle is linked with the push rod 5 to pull the traction spring 9, so that the rotary connecting rail 10 is driven to smoothly rotate to the position, and the first limit switch 11 acts; at the moment, the first main beam 1 and the second main beam 3 are locked electrically and mechanically, and the rotary rail 10 completes rail connection; the remote controller operates the cross lifting trolley to complete the cross;
3. after the crossing is finished, the remote control button is operated, the servo electric push rod 4 acts, the sliding push rod 6 pulls the safety baffle linkage push rod 5 to be linked, the rotary safety baffle 13 rotates to reset, and the rotary safety baffle 13 is blocked by the safety baffle shaft 17; meanwhile, the safety baffle linkage push rod 5 drives the rotary connecting rail 10 to rotate and reset, the second limit 12 switch acts, the servo electric push rod 4 stops acting, the cross-over mechanism completes electric unlocking, the guide groove 8 turns over and resets, the cross-over mechanism completes mechanical unlocking, and the suspension crane cart is operated to smoothly leave the cross-over positioning area, and the lifting cross-over trolley can start to share operation on another suspension crane.
The installation method of the cart track beam and the three-dimensional hoisting point comprises the following steps:
firstly, preliminarily measuring the height difference of the spherical joint points of the net rack;
step two, taking the group as a unit, and adjusting the height of the second connecting plate on the ground according to the data measured in the step one;
integrally hoisting the longitudinal beam, the suspension bolt group and the connecting body to the first connecting plate by taking the group as a unit, finely adjusting the suspension bolt, fastening the connection bolt group, and completing the installation of multiple supporting points;
and fourthly, after the three-dimensional direction debugging is completed, welding the transverse positioning channel steel and the longitudinal positioning channel steel, and connecting the two adjacent longitudinal beams through the fixing bolts to complete the installation of the cart track beam of the large-scale hangar.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.

Claims (7)

1. The utility model provides a many fulcrums of mainframe storehouse hang shared hoist, includes many fulcrums and hangs hoist, many fulcrums hang hoist and include first girder (1) and first cart track roof beam (2), it includes second girder (3) and second cart track roof beam, its characterized in that to hang hoist: two ends of the first main beam (1) are connected with the second main beam (3) through a span mechanism, the striding mechanism comprises a servo electric push rod (4) arranged on the upper surface of the end part of the second main beam (3), one end of the servo electric push rod (4) is hinged with a safety baffle linkage push rod (5), the upper end of the safety baffle linkage push rod (5) is fixedly connected with a sliding rod (6), the safety baffle linkage push rod (5) is connected with the middle part of a rotary joint rail (10) through a traction spring (9), the lower part of the rotary joint rail (10) is hinged with a second main beam (3), the upper part and the lower part of the second main beam (3) are respectively provided with a first limit switch (11) and a second limit switch (12) corresponding to the rotary joint rail (10), a rotary safety baffle (13) is hinged to the end of the first main beam (1), and a third limit switch (14) is arranged at the upper part of the first main beam (1) corresponding to the rotary safety baffle (13);
the slide bar (6) is sleeved in a support (7) on the upper surface of the second main beam (3), the end part of the support (7) is hinged with a guide groove (8), a guide wheel (15) is arranged on the upper surface of the end part of the first main beam (1) corresponding to the guide groove (8), and the guide wheel (15) is arranged on a guide wheel support (16).
2. The multi-pivot suspension shared crane for the mainframe libraries of claim 1, wherein: first cart track roof beam (2) are equipped with a plurality of longerons (2.1), and two adjacent longeron (2.1) junctions are for dismantling.
3. The multi-pivot suspension shared crane for the mainframe libraries of claim 2, wherein: two adjacent longerons (2.1) junction upper surfaces are equipped with location shaped steel (2.2), both sides face is equipped with positioning connection board (2.3), the one end welding of location shaped steel (2.2) one end and positioning connection board (2.3) is on a longeron (2.1), the other end of location shaped steel (2.2) other end and positioning connection board (2.3) is connected with another longeron (2.1) through fixing bolt respectively.
4. The multi-pivot suspension shared crane for the mainframe libraries of claim 2, wherein: and each longitudinal beam (2.1) is provided with a track connecting plate (2.4), and the track connecting plates (2.4) are connected with three-dimensional lifting points (2.6) through suspension bolt groups (2.5).
5. The multi-pivot suspension shared crane for the mainframe libraries of claim 4, wherein: three-dimensional hoisting point (2.6) are including connector (2.6.1) and rack ball joint (2.6.2) of setting in connector (2.6.1) top, the bottom of rack ball joint (2.6.2) is equipped with first connecting plate (2.6.3), second connecting plate (2.6.4) is connected to the upper end of connector (2.6.1), and lower extreme connection regulation hanger plate (2.6.5), it is connected with track connecting plate (2.4) through hanging bolt group (2.5) to adjust hanger plate (2.6.5), second connecting plate (2.6.4) are connected with first connecting plate (2.6.3) through connecting bolt group (2.6.6).
6. The multi-pivot suspension shared crane for the mainframe libraries of claim 5, wherein: the first connecting plate (2.6.3) is provided with a longitudinal waist-shaped hole (2.6.3.1), and the second connecting plate (2.6.4) is provided with a transverse waist-shaped hole (2.6.4.1) corresponding to the longitudinal waist-shaped hole (2.6.3.1).
7. The multi-pivot suspension shared crane for the mainframe libraries of claim 1, wherein: first girder (1) is equipped with a plurality of crossbeams, and two adjacent crossbeams pass through the bolt butt joint.
CN201920632889.3U 2019-05-06 2019-05-06 Large-scale hangar multi-pivot suspension shared crane Active CN210064942U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920632889.3U CN210064942U (en) 2019-05-06 2019-05-06 Large-scale hangar multi-pivot suspension shared crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920632889.3U CN210064942U (en) 2019-05-06 2019-05-06 Large-scale hangar multi-pivot suspension shared crane

Publications (1)

Publication Number Publication Date
CN210064942U true CN210064942U (en) 2020-02-14

Family

ID=69450464

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920632889.3U Active CN210064942U (en) 2019-05-06 2019-05-06 Large-scale hangar multi-pivot suspension shared crane

Country Status (1)

Country Link
CN (1) CN210064942U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110116963A (en) * 2019-05-06 2019-08-13 江阴鼎力高科起重机械有限公司 The large-scale more fulcrums of hangar hang shared crane

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110116963A (en) * 2019-05-06 2019-08-13 江阴鼎力高科起重机械有限公司 The large-scale more fulcrums of hangar hang shared crane
CN110116963B (en) * 2019-05-06 2024-05-28 江阴鼎力高科起重机械有限公司 Multi-pivot suspension sharing crane for large-scale hangar

Similar Documents

Publication Publication Date Title
CN110747761B (en) Dismantling construction method for temporary supporting system of small box girder type hidden cover beam prefabricated on road and bridge
CN103452052B (en) Movable mold hanging equipment for closing swivel bridges and closure section construction method
CN212050244U (en) Gantry crane system for mounting assembled bent cap
CN109653105B (en) Main truss system of box girder bridge cantilever construction hanging basket and use method thereof
CN113202020A (en) Arch rib maintenance vehicle suitable for box type arch rib inspection
CN100417586C (en) Integral lifting method of large bridge crane and its appts
CN210064942U (en) Large-scale hangar multi-pivot suspension shared crane
CN114808747A (en) Multifunctional bridge girder erection machine and bridge girder erection construction method
CN108842612B (en) Bridge operation platform car
CN103132463A (en) Movable hanger operating platform and manufacturing, installing, using and removing methods thereof
CN110116963B (en) Multi-pivot suspension sharing crane for large-scale hangar
CN111287498B (en) Protective shed frame for construction of overhead bridge box girder crossing railway and erection method
CN115417342B (en) Maintenance operation platform and maintenance method convenient for maintenance of suspended monorail vehicle
CN108130864B (en) Integrally-assembled bridge whole-span beam transportation and erection equipment
CN203144912U (en) Movable hanging rack operation platform
CN214570231U (en) High-stability beam lifting machine
CN201309802Y (en) Walking assembly-type gantry hoisting apparatus
CN205329558U (en) It becomes straddle mounting trigger not have to dismantle
CN107285209A (en) A kind of Novel U-shaped erection equipment and its operating method
CN114275684A (en) Self-service variable-span broken line supporting leg tire type lifting beam machine
CN109205475B (en) Device and method for assembling and disassembling girder type gantry crane in tunnel through connection of trusses
CN113250093A (en) Small-plane curve radius concrete segmental beam assembling bridge girder erection machine and method
CN107826975B (en) Bridge frame of bridge crane
CN207108292U (en) Novel U-shaped erection equipment
CN201432672Y (en) Corrugated steel web transport flat car

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant