CN203497941U - Side-suspension cart for crane and crane utilizing same - Google Patents

Side-suspension cart for crane and crane utilizing same Download PDF

Info

Publication number
CN203497941U
CN203497941U CN201320543880.8U CN201320543880U CN203497941U CN 203497941 U CN203497941 U CN 203497941U CN 201320543880 U CN201320543880 U CN 201320543880U CN 203497941 U CN203497941 U CN 203497941U
Authority
CN
China
Prior art keywords
tipping
trolley frame
raised line
block
girder
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.)
Expired - Fee Related
Application number
CN201320543880.8U
Other languages
Chinese (zh)
Inventor
李利伟
闫纪军
张秋团
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.)
Henan Weihua Heavy Machinery Co Ltd
Original Assignee
Henan Weihua Heavy 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 Henan Weihua Heavy Machinery Co Ltd filed Critical Henan Weihua Heavy Machinery Co Ltd
Priority to CN201320543880.8U priority Critical patent/CN203497941U/en
Application granted granted Critical
Publication of CN203497941U publication Critical patent/CN203497941U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model discloses a side-suspension cart for a crane and the crane utilizing the same. The crane comprises a main beam, wherein the upper end surface of the main beam is fixedly provided with a track, the side-suspension cart is movably assembled on the track, the side-suspension cart is provided with a cart frame which extends to the outer side of the main beam, the cart frame is provided with a traveling wheel which is in rolling match with the track, a supporting beam is positioned on the cart frame and fixedly arranged on the outer side of the traveling wheel, the inner side of the supporting beam is provided with a horizontal supporting roller, an anti-tipping device is arranged between the side-suspension cart and the main beam, the anti-tipping device comprises an anti-tipping stop bar which is fixedly arranged on the inner side of the traveling wheel and positioned on the upper end surface of the main beam and extends in the transverse direction and a suspension arm which is fixedly arranged on the cart frame and extends to the inner side of the traveling wheel from outside to inside, and the suspension arm is provided with an anti-tipping flange which is turned down in the vertical direction and used for being matched with the anti-tipping stop bar to prevent the tipping of the cart frame. When the horizontal supporting roller is malfunctioned, the anti-tipping flange is matched with the anti-tipping stop bar to prevent the tipping of the side-suspension cart.

Description

Hoisting crane is with partially hanging dolly and using this partially to hang the hoisting crane of dolly
Technical field
The utility model relates to a kind of hoisting crane with partially hanging dolly and using this partially to hang the hoisting crane of dolly.
Background technology
Dolly on hoisting crane can be divided into two girder dollies and single girder dolly according to its applicable girder.Two girder dollies move and are assemblied on two girders, and are usually located at two girder midway location places.Single girder dolly moves and is assemblied on single girder, and multiform becomes inclined to one side hanging hang structure, also cries and partially hangs dolly.On general hoisting crane, be mostly only to assemble the dolly of a type, but also there are the two girder dollies of assembling simultaneously and the inclined to one side dolly of hanging on hoisting crane, as disclosed a kind of electrolysis multi-function crane in the middle utility model patent specification sheets that is CN201206088Y at Granted publication number, overhead traveling crane comprises the two girder dollies that are arranged between two girders, on a girder, partially hang with out therein aluminium car and partially hang dolly, partially hanging dolly comprises for corresponding girder and moves the trolley frame that assemble and extend to outside girder, trolley frame is provided with the road wheel that the track rolling support for being provided with the upper surface of corresponding girder coordinates.Owing to partially hanging the side that dolly hangs over corresponding girder partially, after partially hanging dolly load-bearing, form larger tilting moment, so the top at trolley frame is provided with horizontal reaction wheel, and the bottom of support beam below trolley frame is provided with horizontal support roller, wherein, horizontal reaction wheel rolls and coordinates with the side of the track at corresponding girder top, horizontal support roller rolls and coordinates with the side of girder, and the trolley frame of partially hanging overcomes larger tilting moment to guarantee partially to hang the normal work of dolly by the cooperation of horizontal reaction wheel and horizontal support roller.
But above-mentioned inclined to one side extension dolly mainly relies on horizontal reaction wheel and horizontal support roller to overcome the tilting moment of inclined to one side extension dolly, once horizontal support roller, break down and cannot provide support power to trolley frame, only according to horizontal reaction wheel, cannot provide and prevent from partially hanging the anti-tipping moment that dolly is tumbled to inclined to one side extension dolly, partially hang dolly overthrow accident easily occurs, safety is poor.
Utility model content
The purpose of this utility model is to provide a kind of hoisting crane with partially hanging dolly, to solve inclined to one side extension dolly of the prior art, the technical matters of overthrow accident easily occurs when horizontal support roller breaks down; Meanwhile, the utility model also provides a kind of hoisting crane that uses above-mentioned inclined to one side extension dolly.
For achieving the above object, hoisting crane provided by the utility model by the technical scheme of partially hanging dolly is: hoisting crane is with partially hanging dolly, comprise for the girder with hoisting crane and move the trolley frame that assembles and extend to girder outside, trolley frame is provided with the road wheel that the track rolling support for being provided with the upper surface of corresponding girder coordinates, outside in road wheel on trolley frame is installed with support beam, support beam inner side is provided with horizontal support roller, on described trolley frame, be installed with the cantilever that ecto-entad extends to described road wheel inner side, cantilever be provided with along vertical turnover for be installed in the upper surface of described girder on and the anti-tipping blend stop block that extends along trolley frame moving direction coordinate anti-tipping the turning edge that prevents that trolley frame from tumbling.
The described anti-tipping turnover downwards that turns edge, the anti-tipping side towards road wheel turning edge is provided with anti-tipping block and/or the anti-tipping jacking block that the raised line block for being provided with described anti-tipping blend stop coordinates, anti-tipping block has for when trolley frame normally moves and the downward lower load bearing face free-running fit being provided with on described raised line, the upper top pressure surface of pressing block to coordinate with the lower load bearing face top of described raised line when trolley frame is tumbled, described anti-tipping jacking block has for when trolley frame normally moves and the side direction load bearing face free-running fit being provided with on described raised line, the side direction top pressure surface of pressing block to coordinate with the side direction load bearing face top of described raised line when trolley frame is tumbled.
Described anti-tipping jacking block is contained in the anti-tipping adjustment bolt upper and adjust the spacing of the side direction top pressure surface of anti-tipping jacking block and the side direction load bearing face of raised line for driving anti-tipping jacking block to move that turns edge by coil and is arranged on anti-tipping turning edge, and described anti-tipping jacking block is fixedly arranged on the anti-tipping end turning edge that passes of adjustment bolt.
On described trolley frame, in the inner side of road wheel, be provided with the horizontal reaction wheel for rolling and coordinate with anti-tipping blend stop.
Described horizontal support roller is furnished with two along trolley frame moving direction, and described horizontal reaction wheel is arranged between two horizontal support rollers, and the described anti-tipping corresponding two horizontal support rollers that turn edge are furnished with two.
The technical scheme of the hoisting crane of the above-mentioned inclined to one side extension dolly of use provided by the utility model is: hoisting crane, comprise the girder extending transversely, on the upper surface of girder, be installed with the track extending transversely, on the track of girder, move and be equipped with inclined to one side extension dolly, partially hang dolly and there is the trolley frame that extends to girder outside, trolley frame is provided with the road wheel that rolls and coordinate with described track, on trolley frame, in road wheel outside, be installed with support beam, support beam inner side is provided with horizontal support roller, between described inclined to one side extension dolly and girder, be provided with anti-tilting apparatus, anti-tilting apparatus comprises on the upper surface of described girder in described road wheel inner side and is installed with on the anti-tipping blend stop that extends transversely and described trolley frame and is installed with the cantilever that ecto-entad extends to described road wheel inner side, cantilever be provided with along vertical turnover for coordinating with described anti-tipping blend stop block anti-tipping the turning edge that prevents that trolley frame from tumbling.
Described anti-tipping blend stop on the anti-tipping side turning edge, convex with raised line, raised line has lower load bearing face down and towards the anti-tipping side direction load bearing face turning edge, the described anti-tipping turnover downwards that turns edge, the anti-tipping side towards road wheel turning edge is provided with anti-tipping block and/or the anti-tipping jacking block coordinating for the raised line block with on described anti-tipping blend stop, anti-tipping block has for when trolley frame normally moves and the lower load bearing face free-running fit of described raised line, the upper top pressure surface of pressing block to coordinate with the lower load bearing face top of described raised line when trolley frame is tumbled, described anti-tipping jacking block has for the side direction load bearing face free-running fit when trolley frame normally moves and on described raised line, the side direction top pressure surface of pressing block to coordinate with the side direction load bearing face top of described raised line when trolley frame is tumbled.
Described anti-tipping jacking block is contained in the anti-tipping adjustment bolt upper and adjust the spacing of the side direction top pressure surface of anti-tipping jacking block and the side direction load bearing face of raised line for driving anti-tipping jacking block to move that turns edge by coil and is arranged on anti-tipping turning edge, and described anti-tipping jacking block is fixedly arranged on the anti-tipping end turning edge that passes of adjustment bolt.
On described trolley frame, in the inner side of road wheel, be provided with the horizontal reaction wheel that rolls and coordinate with anti-tipping blend stop.
Described horizontal support roller is furnished with two along trolley frame moving direction, and described horizontal reaction wheel is arranged between two horizontal support rollers, and the described anti-tipping corresponding two horizontal support rollers that turn edge are furnished with two.
Usefulness of the present utility model is: hoisting crane provided by the utility model is with partially hanging dolly and using this partially to hang in the hoisting crane of dolly, between inclined to one side extension dolly and girder, be provided with mutual block and coordinate the anti-tilting apparatus that prevents that trolley frame from tumbling, this anti-tilting apparatus comprises the anti-tipping blend stop on the upper surface that is installed in girder and is installed in anti-tipping the turning edge on trolley frame, like this, when horizontal support roller breaks down, anti-tipping turning edge coordinates to prevent partially to hang dolly with anti-tipping blend stop block and occurs tumbling, and can effectively improve the safety of inclined to one side extension dolly.
Further, anti-tipping block and anti-tipping jacking block are not worked and only work when trolley frame is tumbled when partially hanging the trolley frame proper motion of dolly, and neither the normal work of dolly is hung in impact partially, can also play anti-tipping effect.
Further, can adjust the spacing of the side direction top pressure surface of anti-tipping jacking block and the side direction load bearing face of raised line by adjusting bolt, and then meet different anti-tipping requirements.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the use provided by the utility model hoisting crane of partially hanging dolly;
Fig. 2 hangs the structural representation of dolly partially in Fig. 1;
Fig. 3 hangs the birds-eye view of dolly partially shown in Fig. 2;
Fig. 4 hangs the left side view of dolly described in Fig. 2 partially;
Fig. 5 is A place enlarged drawing in Fig. 4.
The specific embodiment
As shown in Figures 1 to 5, a kind of embodiment of hoisting crane, the hoisting crane in this embodiment comprises two girders that extend transversely, two girders are girder 100 and girder 200, on two girders, along transverse shifting, are equipped with two girder dollies 300.Position on the close outer side edges edge of the upper surface of girder 200 is installed with the track 500 extending transversely, on track 500, along horizontal guide direction, move and be equipped with inclined to one side extension dolly 600, partially hang dolly 600 and there is the trolley frame 1 that extends to girder 200 outsides, trolley frame 1 is provided with the road wheel 17 that track 500 rolling supports that are provided with for the upper surface with corresponding girder 200 coordinate, on trolley frame 1, be provided with walking beam 5, road wheel 17 rotates and is assemblied on walking beam 5, and road wheel 17 upper drivings are connected with drive motor 4.On trolley frame 1, in the outside of road wheel 17, be installed with the support beam 2 to downward-extension, the inner side of support beam 2 is provided with horizontal support roller 3, support beam 2 is distributed with two along the moving direction of trolley frame 1, and horizontal support roller 3 has the supporting guide top pressure being provided with for the respective side with girder 200 and supports the outer peripheral face coordinating.On trolley frame, in the inner side of road wheel 17, be provided with anti-roller erecting frame 14 on 1, on anti-roller erecting frame 14, be rotatably equipped with two horizontal reaction wheels, 8, two horizontal reaction wheels 8 and be arranged between two horizontal support rollers 3.
For above-mentioned inclined to one side extension dolly, except being used in conjunction with to overcome the tilting moment of inclined to one side extension dolly by horizontal reaction wheel 8 and horizontal support roller 3, partially hang between dolly 600 and girder 200 and be also provided with anti-tilting apparatus, anti-tilting apparatus is included on the upper surface of girder 200 in the inner side of road wheel 17 and is installed with the cantilever 6 that the ecto-entad being installed with on the anti-tipping blend stop 10 that extends transversely and trolley frame 1 extends to the inner side of described road wheel 17, cantilever 6 is provided with and for to coordinate with anti-tipping blend stop 10 blocks to prevent that trolley frame 1 from tumbling anti-tipping, turns edge 61 along vertical turnover, cantilever 6 herein and anti-tipping 61 corresponding two horizontal support rollers are provided with two covers, and corresponding one by one with two horizontal support rollers.Specifically, at anti-tipping blend stop 10, on anti-tipping 61 the side of turning edge, convex with raised line 11, raised line 11 has lower load bearing face 113 down and towards anti-tipping 61 the side direction load bearing face 112 of turning edge, accordingly, anti-tipping 61 the side towards road wheel 17 of turning edge is provided with anti-tipping block 12 and the anti-tipping jacking block 13 coordinating for raised line 11 blocks with on described anti-tipping blend stop 10, anti-tipping jacking block 13 is positioned at the top of anti-tipping block 12, and anti-tipping block 12 is arranged in the below of raised line 11, anti-tipping block 12 has for normal when mobile and lower load bearing face 113 free-running fits of described raised line 11 at trolley frame 1, the upper top pressure surface 122 of pressing block to coordinate with lower load bearing face 113 tops of described raised line 11 when trolley frame 1 is tumbled, described anti-tipping jacking block 13 has for side direction load bearing face 112 free-running fits when trolley frame 1 is normally mobile and on described raised line 11, the side direction top pressure surface 132 of pressing block to coordinate with side direction load bearing face 112 tops of described raised line 11 when trolley frame 1 is tumbled, anti-tipping jacking block 13 is contained in the anti-tipping adjustment bolt 7 upper and adjust the spacing of the side direction top pressure surface of anti-tipping jacking block and the side direction load bearing face of raised line for driving anti-tipping jacking block to move that turns edge by coil and is arranged on and anti-tippingly turns edge 61, described anti-tipping jacking block 13 is fixedly arranged on the anti-tipping end turning edge that passes of adjusting bolt 7.
Two horizontal reaction wheels 8 in the present embodiment are also arranged in two cover cantilevers 6 and anti-tipping turning edge between 61, and horizontal reaction wheel coordinates with raised line 11 rollings on anti-tipping block 10.
Inclined to one side extension dolly 600 in the present embodiment can be used for placing the devices such as vacuum pump or can being used for placing lifting mechanism.Because partially hang dolly, have independently track and independently actuating device, partially hanging dolly 600 can independent ambulation work, also can with the work that cooperatively interacts of two girder dollies 300.
When extension dolly is normally worked partially, anti-tilting apparatus is not worked, the upper top pressure surface 122 of anti-tipping block 12 and lower load bearing face 113 free-running fits of raised line 11, the side direction top pressure surface 132 of anti-tipping jacking block 13 and side direction load bearing face 112 free-running fits of raised line 11.And break down and cannot provide support that skew appears in power or road wheel and when causing partially hanging dolly and tumbling to inclined to one side extension dolly when horizontal support roller, anti-tilting apparatus work, now, the upper top pressure surface 122 of anti-tipping block 12 coordinates to prevent partially to hang dolly with the lower load bearing face of raised line 11 113 top pressure hooks extensions and tumbles, meanwhile, the side direction top pressure surface 132 of anti-tipping jacking block 13 and the side direction load bearing face of raised line 11 112 top pressure hooks are hung and are coordinated to prevent that dolly from tumbling.
In above-described embodiment, anti-tipping turning edge is provided with anti-tipping block and anti-tipping jacking block, in other embodiments, anti-tipping block also can be only set or anti-tipping jacking block is only set.Certainly, can also adopt anti-tipping anti-roller of the prior art, this anti-tipping roller rolls and coordinates with the lower load bearing face of raised line on the anti-tipping blend stop being installed with on girder upper surface always in rail dolly moving process partially.
In above-described embodiment, anti-tipping jacking block is arranged on anti-tipping turning edge above by adjusting bolt, by adjusting the gap of the side direction top pressure surface of the anti-tipping jacking block of bolt capable of regulating and the side direction load bearing face of raised line, to meet different actual needs.In other embodiments, also anti-tipping jacking block directly can be installed on anti-tipping turning edge.
In above-described embodiment, the anti-tipping turnover downwards that turns edge, in other embodiments, anti-tipping turning edge also can upwards turn down.
In above-described embodiment, horizontal support roller is furnished with two along trolley frame, and horizontal reaction wheel is arranged between two horizontal support rollers, partially hangs on dolly and is forming three fulcrums, and stability is better, partially hangs moving of car steady.
As shown in Figures 2 to 5, a kind of hoisting crane is with partially hanging the embodiment of dolly, and the inclined to one side extension dolly in this embodiment is identical with the structure of the inclined to one side extension dolly on above-mentioned hoisting crane, partially hangs the structure of dolly and introduces in the above-described embodiments, does not repeat them here.

Claims (10)

1. hoisting crane is with partially hanging dolly, comprise for the girder with hoisting crane and move the trolley frame that assembles and extend to girder outside, trolley frame is provided with the road wheel that the track rolling support for being provided with the upper surface of corresponding girder coordinates, outside in road wheel on trolley frame is installed with support beam, support beam inner side is provided with horizontal support roller, it is characterized in that: on described trolley frame, be installed with the cantilever that ecto-entad extends to described road wheel inner side, cantilever be provided with along vertical turnover for be installed in the upper surface of described girder on and the anti-tipping blend stop block that extends along trolley frame moving direction coordinate anti-tipping the turning edge that prevents that trolley frame from tumbling.
2. hoisting crane according to claim 1 is with partially hanging dolly, it is characterized in that: the described anti-tipping turnover downwards that turns edge, the anti-tipping side towards road wheel turning edge is provided with anti-tipping block and/or the anti-tipping jacking block that the raised line block for being provided with described anti-tipping blend stop coordinates, anti-tipping block has for when trolley frame normally moves and the downward lower load bearing face free-running fit being provided with on described raised line, the upper top pressure surface of pressing block to coordinate with the lower load bearing face top of described raised line when trolley frame is tumbled, described anti-tipping jacking block has for when trolley frame normally moves and the side direction load bearing face free-running fit being provided with on described raised line, the side direction top pressure surface of pressing block to coordinate with the side direction load bearing face top of described raised line when trolley frame is tumbled.
3. hoisting crane according to claim 2 is with partially hanging dolly, it is characterized in that: described anti-tipping jacking block is contained in the anti-tipping adjustment bolt upper and adjust the spacing of the side direction top pressure surface of anti-tipping jacking block and the side direction load bearing face of raised line for driving anti-tipping jacking block to move that turns edge by coil and is arranged on anti-tipping turning edge, and described anti-tipping jacking block is fixedly arranged on the anti-tipping end turning edge that passes of adjustment bolt.
4. according to the inclined to one side dolly of hanging for the hoisting crane described in claim 1 or 2 or 3, it is characterized in that: on described trolley frame, in the inner side of road wheel, be provided with the horizontal reaction wheel for rolling and coordinate with anti-tipping blend stop.
5. hoisting crane according to claim 4 is with partially hanging dolly, it is characterized in that: described horizontal support roller is furnished with two along trolley frame moving direction, described horizontal reaction wheel is arranged between two horizontal support rollers, and the described anti-tipping corresponding two horizontal support rollers that turn edge are furnished with two.
6. hoisting crane, comprise the girder extending transversely, on the upper surface of girder, be installed with the track extending transversely, on the track of girder, move and be equipped with inclined to one side extension dolly, partially hang dolly and there is the trolley frame that extends to girder outside, trolley frame is provided with the road wheel that rolls and coordinate with described track, on trolley frame, in road wheel outside, be installed with support beam, support beam inner side is provided with horizontal support roller, it is characterized in that: between described inclined to one side extension dolly and girder, be provided with anti-tilting apparatus, anti-tilting apparatus comprises on the upper surface of described girder in described road wheel inner side and is installed with on the anti-tipping blend stop that extends transversely and described trolley frame and is installed with the cantilever that ecto-entad extends to described road wheel inner side, cantilever be provided with along vertical turnover for coordinating with described anti-tipping blend stop block anti-tipping the turning edge that prevents that trolley frame from tumbling.
7. hoisting crane according to claim 6, it is characterized in that: described anti-tipping blend stop on the anti-tipping side turning edge, convex with raised line, raised line has lower load bearing face down and towards the anti-tipping side direction load bearing face turning edge, the described anti-tipping turnover downwards that turns edge, the anti-tipping side towards road wheel turning edge is provided with anti-tipping block and/or the anti-tipping jacking block coordinating for the raised line block with on described anti-tipping blend stop, anti-tipping block has for when trolley frame normally moves and the lower load bearing face free-running fit of described raised line, the upper top pressure surface of pressing block to coordinate with the lower load bearing face top of described raised line when trolley frame is tumbled, described anti-tipping jacking block has for the side direction load bearing face free-running fit when trolley frame normally moves and on described raised line, the side direction top pressure surface of pressing block to coordinate with the side direction load bearing face top of described raised line when trolley frame is tumbled.
8. hoisting crane according to claim 7, it is characterized in that: described anti-tipping jacking block is contained in the anti-tipping adjustment bolt upper and adjust the spacing of the side direction top pressure surface of anti-tipping jacking block and the side direction load bearing face of raised line for driving anti-tipping jacking block to move that turns edge by coil and is arranged on anti-tipping turning edge, and described anti-tipping jacking block is fixedly arranged on the anti-tipping end turning edge that passes of adjustment bolt.
9. according to the hoisting crane described in claim 6 or 7 or 8, it is characterized in that: on described trolley frame, in the inner side of road wheel, be provided with the horizontal reaction wheel that rolls and coordinate with anti-tipping blend stop.
10. hoisting crane according to claim 9, it is characterized in that: described horizontal support roller is furnished with two along trolley frame moving direction, described horizontal reaction wheel is arranged between two horizontal support rollers, and the described anti-tipping corresponding two horizontal support rollers that turn edge are furnished with two.
CN201320543880.8U 2013-09-03 2013-09-03 Side-suspension cart for crane and crane utilizing same Expired - Fee Related CN203497941U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320543880.8U CN203497941U (en) 2013-09-03 2013-09-03 Side-suspension cart for crane and crane utilizing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320543880.8U CN203497941U (en) 2013-09-03 2013-09-03 Side-suspension cart for crane and crane utilizing same

Publications (1)

Publication Number Publication Date
CN203497941U true CN203497941U (en) 2014-03-26

Family

ID=50328939

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320543880.8U Expired - Fee Related CN203497941U (en) 2013-09-03 2013-09-03 Side-suspension cart for crane and crane utilizing same

Country Status (1)

Country Link
CN (1) CN203497941U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106276298A (en) * 2015-06-01 2017-01-04 华电郑州机械设计研究院有限公司 A kind of closing coal yard

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106276298A (en) * 2015-06-01 2017-01-04 华电郑州机械设计研究院有限公司 A kind of closing coal yard
CN106276298B (en) * 2015-06-01 2019-03-19 华电郑州机械设计研究院有限公司 A kind of closing coal yard

Similar Documents

Publication Publication Date Title
CN203496955U (en) Movable type lifting trolley
CN202643142U (en) Double-beam portal crane turnover structure
CN101725095B (en) Railway construction machine guard rail hoisting device and rail replacing locomotive guard rail hoisting device
CN103183210A (en) Double-track hydraulic right-angle steering flatcar
CN201125132Y (en) Telescoping device for telescopic arm of trolley crane
CN102701084B (en) Crane with good stability
CN202704870U (en) Frame beam movable gantry frame
CN203497941U (en) Side-suspension cart for crane and crane utilizing same
CN202609814U (en) Self-steering craning conveying device
CN202877793U (en) Turnover machine for welding frame of semitrailer
CN202766136U (en) Crane with good stability
CN202429920U (en) Multi-trolley and double-girder gantry crane
CN203451076U (en) Turning type primary-secondary trolley for crane
CN208150794U (en) A kind of heavy type cantilever crane
CN203451166U (en) Lifting device for hanging bracket
CN206188167U (en) Vertical lift mechanism
CN205500608U (en) Automatic change lifting device
CN203602239U (en) Wind power generation iron tower tube section overturning device
CN204625021U (en) Shipbuilding door machine hung partially by the two girder of a kind of six tracks
CN201952123U (en) Electric single-beam crane
CN203638976U (en) Portal hanger capable of moving in omnibearing manner
CN105540443A (en) Portal crane
CN203142717U (en) Feed car capable of containing multilayer flake type workpieces
CN203428766U (en) Electric hoist
CN202848908U (en) Bridge crane and movable hoisting device thereof

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140326

Termination date: 20170903