CN203833514U - Special lorry-mounted crane for railway - Google Patents
Special lorry-mounted crane for railway Download PDFInfo
- Publication number
- CN203833514U CN203833514U CN201420239095.8U CN201420239095U CN203833514U CN 203833514 U CN203833514 U CN 203833514U CN 201420239095 U CN201420239095 U CN 201420239095U CN 203833514 U CN203833514 U CN 203833514U
- Authority
- CN
- China
- Prior art keywords
- arm
- suspension hook
- support arm
- hook support
- hoisting
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model discloses a special lorry-mounted crane for a railway. The special lorry-mounted crane comprises a rotary base, wherein a rotary table is arranged on the rotary base; a boom is connected to the rotary table; the boom comprises a rotary arm and a telescopic arm; a lifting hook support arm is connected to the outer end of the telescopic arm; a far-end lifting hook is connected to the lower part of the lifting hook support arm; a telescopic oil cylinder is connected between the rotary arm and the rotary table; a slide way is arranged on the lower part of the rotary arm; an electric block is installed in the slide way and capable of rolling along the slide way; and a near-end hoisting hook is connected to the lower part of the electric block. The special lorry-mounted crane disclosed by the utility model is installed on a railway vehicle, and used for loading-unloading working for the needed materials, tools and equipment during railway construction and maintenance; the problem that the hoisting working generally needs a raising arm is solved, heavy objects are directly hung on the far-end lifting hook of the lifting hook support arm during hoisting without the need of the hoisting of a steel wire rope, and can be hoisted to the needed positions by virtue of the random loaded telescoping of the boom, meanwhile, the near-end hoisting hook is arranged below the electric block to realize short-distance hoisting working, and blind areas are avoided in a horizontal working range; and the working efficiency is increased, the working height is increased, and the operation is simple and convenient.
Description
Technical field
The utility model relates to the special-purpose lorry-mounted crane of a kind of railway, is specially the lorry-mounted crane that railway electrification section is used.
Background technology
Existing rolling stock lorry-mounted crane, is generally telescopic arm structure, during lifting, need first raise arm, until suspension hook moves to behind weight top, falling suspension hook could lift by crane.At railway electrification section, there is contact system circuit top, raises arm and is easy to encounter contact system, thereby get an electric shock, therefore raise the restriction that arm angle is subject to contact system, can not raise arm too high; The lifting of hoisting crane front end is partly provided with the assemblies such as steel rope, assembly pulley, suspension hook, takies appreciiable space, thereby makes suspension hook ground height nearer, lifting limited space vertical.Above-mentioned situation has determined that hoisting crane can not lift by crane in-plant weight, weight can not be hung to required height and suitable position.
Mostly existing lorry-mounted crane is to utilize steel rope lifting, and the weight of slinging on steel rope is uncontrollable because the impact of inertia and wind-force produces to be rocked strongly, therefore lifting poor stability.
Design regulation regulation, telehoist lift heavy surpass rated load 70% time, can not be with carry flexible.When lifting operation, sometimes need lifting weight could be hung to desired position several times, processing safety is not high, and operation is wasted time and energy.
In sum, there is potential safety hazard, operation inconvenience, repeatedly lifting in traditional crane hanging component operation, efficiency is not high and the situation that can not lift by crane vehicles for close-distance heavy things, cannot meet the needs of electrified section line construction.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of railway special-purpose lorry-mounted crane, solve electrified section crane job scope little, there is the problem that potential safety hazard, operation inconvenience, efficiency are not high, can not lift by crane vehicles for close-distance heavy things.
The technical solution of the utility model is: comprise a rotary table being connected with car body; Rotary table is provided with turntable.
Turntable top is connected with crane arm; Crane arm comprises the pivot arm that is connected with turntable, is loaded on the telescopic boom that can stretch out along pivot arm in pivot arm; The outer end of telescopic boom is connected with suspension hook support arm; Suspension hook support arm bottom is connected with far-end suspension hook.
Between pivot arm and turntable, be provided with and promote the rotate telescopic oil cylinder of platform rotation of pivot arm; Pivot arm bottom is provided with the slideway parallel with pivot arm; Electric block is loaded in slideway and can rolls along slideway; Electric block bottom is connected with near-end suspension hook.
Described suspension hook support arm is loaded on telescopic boom outer end through mount pad; Described Connection Block comprises two adapter plates that are parallel to each other that are loaded on telescopic boom; Between two adapter plates, installation shaft is housed; Suspension hook support arm is loaded on installation shaft and can rotates along installation shaft; Suspension hook support arm is provided with knock hole, and adapter plate is provided with a plurality of mounting holes, and alignment pin is loaded in the knock hole on suspension hook support arm through one of them mounting hole.
The utility model is arranged on rolling stock, the loading and unloading operation for construction of railways with the required material of safeguarding, instrument, equipment.Solve lifting operation and generally need raise the problem of arm, during lifting, weight directly hangs on the far-end suspension hook of suspension hook support arm, by crane arm, be with arbitrarily to carry and stretch, weight is hung to desired position, simultaneously under electric block with near-end suspension hook, electric block moves to the directly lifting of weight top, realizes closely lifting operation, level of operation scope non-blind area; Do not need to rely on steel rope lifting, weight shake is little, can be with arbitrarily to carry and stretch, and avoids repeatedly lifting, and improves operating efficiency, has increased operation height, easy and simple to handle.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is level lifting work schematic diagram of the present utility model.
Fig. 3 is downward lifting work schematic diagram of the present utility model.
Fig. 4 lifts schematic diagram on the utility model electric block car.
Fig. 5 lifts schematic diagram under the utility model electric block car.
In figure, 1, suspension hook support arm, 2, slideway, 3, crane arm, 4, electric block, 5, near-end suspension hook; 6, telescopic oil cylinder, 7, turntable, 8, rotary table, 9, cargo platform, 10, vehicle frame.
The specific embodiment
In Fig. 1, Fig. 2, crane arm 3 one end and turntable 7 are hinged.Crane arm 3 comprises the pivot arm that is connected with turntable 7, is loaded on the telescopic boom that can stretch out along pivot arm in pivot arm.Telescopic oil cylinder 6 one end are contained on turntable 7, and one end is contained in pivot arm lower end, in order to control pivot arm, around hinge, rotate.Telescopic boom outer end is connected with suspension hook support arm 1.Suspension hook support arm 1 is loaded on telescopic boom outer end through mount pad; Described Connection Block comprises two adapter plates that are parallel to each other that are loaded on telescopic boom; Between two adapter plates, installation shaft is housed; Suspension hook support arm 1 is loaded on installation shaft and can rotates along installation shaft; Suspension hook support arm 1 is provided with knock hole, and adapter plate is provided with a plurality of mounting holes, and alignment pin is loaded in the knock hole on suspension hook support arm 1 through one of them mounting hole.Suspension hook support arm hangs with far-end suspension hook 1 time.
During lifting, weight directly hangs on the far-end suspension hook of suspension hook support arm 1, is with arbitrarily to carry stretches by crane arm 3, and weight is hung to desired position.Lifting does not partly have steel rope, assembly pulley etc., on vertical, has saved space.
Crane arm is welded with slideway 23 times, and electric block 4 can roll along slideway 2, electric block bottom band near-end suspension hook 5.Electric block 4 is movable to the directly lifting of weight top, realizes closely lifting operation, level of operation scope non-blind area.
Turntable 7 is fixed on rotary table 8, and rotary table 8 is fixed on vehicle frame 10, and rotary table 8 can be around axle central rotation.Turntable 7 and crane arm 3 grades of installing on it all can be rotated by rotary table 8.
In Fig. 3, during the outer weight of lifting circuit, crane arm 3 can be made progress, be rotated down around the hinge with turntable 7 by the flexible of telescopic oil cylinder 6, and the far-end suspension hook on suspension hook support arm 1 is hoisting heavy directly.Because weight is directly to hang on the far-end suspension hook of suspension hook support arm 1, do not need to rely on steel rope lifting, crane arm can be with arbitrarily and carry flexiblely, and weight is hung to desired position, avoids repeatedly lifting by crane, easy and simple to handle.
Crane arm 3 can bad-looking arm hoisting heavy, hangs loads and directly hangs on far-end suspension hook, does not need to rely on steel rope lifting, and weight shake is little, improves operating efficiency, has increased operation height, bad-looking arm, and the weight nearer apart from circuit also can lift by crane simultaneously.
In Fig. 4, when cargo platform 9 handling tools on vehicle frame 10 and equipment, directly can make electric block 4 slide into above instrument and equipment in the slideway 2 of 3 times welding of crane arm, near-end suspension hook 5 directly lifts by crane, and the position of instrument and equipment is unrestricted.
In Fig. 5, the goods nearer apart from circuit, within the scope of electric block 4 liftings, can utilize near-end suspension hook 5 liftings of electric block 4.Realize closely lifting operation, solved current luffing and must raise arm, thereby raise arm, can touch the problem that contact system gets an electric shock, level of operation scope non-blind area.
Claims (2)
1. the special-purpose lorry-mounted crane of railway, is characterized in that: comprise a rotary table being connected with car body (8); Rotary table (8) is provided with turntable (7);
Turntable (7) top is connected with crane arm (3); Crane arm (3) comprises the pivot arm that is connected with turntable (7), is loaded on the telescopic boom that can stretch out along pivot arm in pivot arm; The outer end of telescopic boom is connected with suspension hook support arm (1); Suspension hook support arm (1) bottom is connected with far-end suspension hook;
Between pivot arm and turntable (7), be provided with and promote the rotate telescopic oil cylinder (6) of platform (7) rotation of pivot arm; Pivot arm bottom is provided with slideway (2); Electric block (4) is loaded in slideway (2) and can rolls along slideway (2); Electric block (4) bottom is connected with near-end suspension hook (5).
2. the special-purpose lorry-mounted crane of railway according to claim 1, is characterized in that: described suspension hook support arm (1) is loaded on telescopic boom outer end through mount pad; Described Connection Block comprises two adapter plates that are parallel to each other that are loaded on telescopic boom; Between two adapter plates, installation shaft is housed; Suspension hook support arm (1) is loaded on installation shaft and can rotates along installation shaft; Suspension hook support arm (1) is provided with knock hole, and adapter plate is provided with a plurality of mounting holes, and alignment pin is loaded in the knock hole on suspension hook support arm (1) through one of them mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239095.8U CN203833514U (en) | 2014-05-12 | 2014-05-12 | Special lorry-mounted crane for railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239095.8U CN203833514U (en) | 2014-05-12 | 2014-05-12 | Special lorry-mounted crane for railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203833514U true CN203833514U (en) | 2014-09-17 |
Family
ID=51511385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420239095.8U Withdrawn - After Issue CN203833514U (en) | 2014-05-12 | 2014-05-12 | Special lorry-mounted crane for railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203833514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386592A (en) * | 2014-05-12 | 2015-03-04 | 金鹰重型工程机械有限公司 | Lorry-mounted crane special for railways |
-
2014
- 2014-05-12 CN CN201420239095.8U patent/CN203833514U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386592A (en) * | 2014-05-12 | 2015-03-04 | 金鹰重型工程机械有限公司 | Lorry-mounted crane special for railways |
| CN104386592B (en) * | 2014-05-12 | 2016-08-31 | 金鹰重型工程机械有限公司 | A kind of special lorry-mounted crane of railway |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203715185U (en) | Electrical device loading and unloading device | |
| WO2016058266A1 (en) | Port mobile crane capable of being proof against storm wind and capable of overturning to transfer by means of mechanism design | |
| CN206033063U (en) | Electronic change width of cloth loop wheel machine | |
| CN104386592B (en) | A kind of special lorry-mounted crane of railway | |
| CN207483217U (en) | A kind of building crane | |
| CN203833514U (en) | Special lorry-mounted crane for railway | |
| CN211813140U (en) | Crane counterweight structure and lorry-mounted crane | |
| CN203474311U (en) | Insulating boom hoist | |
| CN105439004A (en) | Hoisting equipment | |
| CN206126699U (en) | Multi -functional portable lifting machine | |
| CN103434944A (en) | Insulation arm crane | |
| CN203021213U (en) | Rotary one-arm crane | |
| CN214359752U (en) | Crane sling positioning and anti-swing device | |
| CN206051370U (en) | A kind of hydraulic gyration crane | |
| CN204057776U (en) | A kind of change triangle start lifting rope rope tower crane | |
| CN210710437U (en) | Double-vehicle bridge crane | |
| CN106744305A (en) | A kind of route-variable height beam driving for crane room | |
| CN211619794U (en) | Low-space simple gantry hoisting device | |
| CN204265223U (en) | A kind of revolution ceiling crab | |
| CN208249730U (en) | A kind of list cucurbit double lifting point device | |
| CN102674134A (en) | Rotatable lifting beam for gantry crane | |
| CN203255912U (en) | Vehicle-mounted manual hoisting device | |
| CN207645676U (en) | Locomotive crane arm head pulley mechanism | |
| CN208308322U (en) | One kind prevents isolated pillar crane boom from sliding device | |
| CN202609760U (en) | Rotatable hanging beam for gantry crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140917 Effective date of abandoning: 20160831 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |