CN201087075Y - Trackless portal jib crane - Google Patents
Trackless portal jib crane Download PDFInfo
- Publication number
- CN201087075Y CN201087075Y CNU2007200584179U CN200720058417U CN201087075Y CN 201087075 Y CN201087075 Y CN 201087075Y CN U2007200584179 U CNU2007200584179 U CN U2007200584179U CN 200720058417 U CN200720058417 U CN 200720058417U CN 201087075 Y CN201087075 Y CN 201087075Y
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- CN
- China
- Prior art keywords
- crossbeam
- wheel support
- main power
- buttress
- power wheel
- 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
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model relates to a freewheeled gantry crane, which comprises a gib arm, a lifting hook, and a girder. The utility model is characterized in that the girder adopts a telescopic girder, the fixed end of the girder is connected to a main power wheel support through a pair of supporting piers, the expansion end of the girder is articulated with a rotatable cross beam, the rotatable cross beam is connected to a movable power wheel support through a pair of supporting piers, the both ends of the main power wheel support and the movable power wheel support are both connected with a power walking wheel through a rotating disc and a rotating disc driver, a power equipment warehouse is arranged inside the main power wheel support, an operating room is arranged on the main power wheel support, and the power walking wheel, the rotating disc driver, a hydraulic unit, and all the driving equipment of the crane part are all connected with the power equipment warehouse and the operating room. The utility model has the advantages that the structure is simple and reasonable, the operation and the control are stable and flexible, and the utility model is secure and reliable, and is especially suitable for the minor road construction and the bridge construction.
Description
Technical field:
The utility model relates to a kind of road and bridge crane, the trackless portal crane that particularly a kind of road and bridge that is suitable for being provided with interim prefabricated components field is used.
Background technology:
Existing common science of bridge building generally is on the end of the bridge roadbed fabrication yard to be set, and hanging apparatus such as track and employing rail portal crane are set.Adopt described device in common bridge engineering construction, exist handling cost height is installed, the set-up time is long, to shortcomings such as its very flexible of small-scale workshops building site.
At described problem, the applicant once provided multiple trackless portal crane utility model technical scheme, but because described scheme adopts " bikini " structure, less stable.
The utility model content:
The purpose of this utility model is the improvement of existing trackless portal crane and perfect, the trackless portal crane of another kind of version is provided, is intended to improve the stability of equipment, enlarge range of use, make things convenient for decantation, reliability and safety that raising equipment uses.
The utility model, comprise arm, suspension hook and crossbeam, it is characterized in that: crossbeam is telescopic crossbeam, the fixed end of crossbeam is connected on the main power wheel support by a pair of buttress, the flexible end and the rotatable crossbeam of crossbeam are articulated and connected, rotatable crossbeam is connected on the powered movable wheel support by a pair of buttress again, the two ends of main power wheel support and powered movable wheel support all are connected the power walking wheel by rotating disk and rotating disk actuator, the inside of main power wheel support is the power plant storehouse, the inside of powered movable wheel support is the reserve power equipment compartment, operator's compartment is arranged on the main power wheel support, on the fixed end of crossbeam, install bogie, arm is installed on the bogie by the arm base, built-in winch of arm base and rotating disk actuator, between arm and arm base, be connected with hydraulic ram, described power walking wheel, the rotating disk actuator, hydraulic efficiency gear all is connected with operator's compartment with the power plant storehouse with all driving arrangements of crane part.
The utility model, described buttress are adjustable buttress, and adjustable buttress is provided with plural height adjustment hole, and adjustable buttress is connected on the fixed end of crossbeam and is connected on the rotatable crossbeam the built-in hydraulic ram of adjustable buttress by locating dowel pin.
The utility model, described telescopic crossbeam is a telescopic, built-in hydraulic ram, the flexible end of crossbeam is articulated and connected by cylinder and rotatable crossbeam.
The utility model, owing to adopt " four-point " structure, stability, reliability and safety are stronger; Adopt adjustable buttress and flexible crossbeam, by its built-in hydraulic ram, can regulate the distance between big depth of beam and powered movable wheel support and the main power wheel support easily, satisfying the requirement of crane operation, or reduce the reduced height width and be convenient to vehicle-mounted transportation.Have simple and reasonable, advantage such as the operation control stabilization is flexible, safe and reliable, and decantation is convenient, and comformability is strong.Be particularly suitable for the construction of small-sized road, science of bridge building.
Description of drawings:
Fig. 1 is the structure principle chart of embodiment.
Among the figure, 1, main power wheel support 2, powered movable wheel support 3, power walking wheel 4, rotating disk and rotating disk actuator 5, height adjustment buttress 6, operator's compartment 7, scalable crossbeam 8, rotatable crossbeam 9, bogie 10, arm base 11, hydraulic ram 12, arm 13, suspension hook 14, height adjustment locating dowel pin 15, height adjustment knock hole.
The specific embodiment:
With reference to accompanying drawing, comprise arm 12, suspension hook 13 and crossbeam 7, crossbeam is the telescopic crossbeam, built-in hydraulic ram, the fixed end 71 of crossbeam is connected on the main power wheel support 1 by a pair of adjustable buttress 5 that is built-in with hydraulic ram, the end of the flexible end 72 of crossbeam is provided with rotating cylinder, cylinder and rotatable crossbeam 8 are articulated and connected, rotatable crossbeam is connected on the powered movable wheel support 2 by a pair of adjustable buttress 5 that is built-in with hydraulic ram, the two ends of main power wheel support 1 and powered movable wheel support 2 all are connected power walking wheel 3 by rotating disk and rotating disk actuator 4, the inside of main power wheel support is the power plant storehouse, the inside of powered movable wheel support is the reserve power equipment compartment, operator's compartment 6 is arranged on the end of main power wheel support, also can be in setting operation chamber, the two ends of main power wheel support, if when two operator's compartmenies are set, then connect two operator's compartmenies by clutch, make chaufeur operate control on the operator's compartment arbitrarily, the convenient driving.Installing bogie 9 on the fixed end 71 of crossbeam, arm 12 is installed on the bogie 9 by arm base 10, built-in winch of arm base and rotating disk actuator, be connected with hydraulic ram 11 between arm 12 and arm base 10, described power walking wheel, rotating disk actuator, hydraulic efficiency gear and all driving arrangements of crane part all are connected with operator's compartment with the power plant storehouse.
Claims (3)
1. trackless portal crane, comprise arm (12), suspension hook (13) and crossbeam (7), it is characterized in that: crossbeam is telescopic crossbeam, the fixed end of crossbeam (71) is connected on the main power wheel support (1) by a pair of buttress (5), the flexible end (72) of crossbeam is articulated and connected with rotatable crossbeam (8), rotatable crossbeam is connected on the powered movable wheel support (2) by a pair of buttress (5), the two ends of main power wheel support (1) and powered movable wheel support (2) all are connected power walking wheel (3) by rotating disk and rotating disk actuator (4), the inside of main power wheel support is the power plant storehouse, the inside of powered movable wheel support is the reserve power equipment compartment, operator's compartment (6) is arranged on the main power wheel support, go up installing bogie (9) at the fixed end (71) of crossbeam, arm (12) is installed on the bogie (9) by arm base (10), built-in winch of arm base and rotating disk actuator, between arm (12) and arm base (10), be connected with hydraulic ram (11), described power walking wheel, the rotating disk actuator, hydraulic efficiency gear all is connected with operator's compartment with the power plant storehouse with all driving arrangements of crane part.
2. trackless portal crane according to claim 1, it is characterized in that: described buttress (5) is adjustable buttress, adjustable buttress is provided with plural height adjustment hole (15), adjustable buttress is connected on the fixed end of crossbeam and is connected on the rotatable crossbeam (8) the built-in hydraulic ram of adjustable buttress by locating dowel pin (14).
3. trackless portal crane according to claim 1 and 2 is characterized in that: described telescopic crossbeam is a telescopic, built-in hydraulic ram, and the flexible end of crossbeam is articulated and connected by cylinder and rotatable crossbeam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200584179U CN201087075Y (en) | 2007-10-17 | 2007-10-17 | Trackless portal jib crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200584179U CN201087075Y (en) | 2007-10-17 | 2007-10-17 | Trackless portal jib crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201087075Y true CN201087075Y (en) | 2008-07-16 |
Family
ID=39634669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200584179U Expired - Fee Related CN201087075Y (en) | 2007-10-17 | 2007-10-17 | Trackless portal jib crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201087075Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006397A (en) * | 2016-07-27 | 2016-10-12 | 常俊苹 | Crawler type heavy-duty crane |
-
2007
- 2007-10-17 CN CNU2007200584179U patent/CN201087075Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006397A (en) * | 2016-07-27 | 2016-10-12 | 常俊苹 | Crawler type heavy-duty crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080716 Termination date: 20111017 |