CN202107455U - Off-road tyre crane - Google Patents
Off-road tyre crane Download PDFInfo
- Publication number
- CN202107455U CN202107455U CN2011202183969U CN201120218396U CN202107455U CN 202107455 U CN202107455 U CN 202107455U CN 2011202183969 U CN2011202183969 U CN 2011202183969U CN 201120218396 U CN201120218396 U CN 201120218396U CN 202107455 U CN202107455 U CN 202107455U
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- underframe
- crane
- steering
- rough terrain
- axis
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Abstract
The utility model discloses an off-road tyre crane, of which all the actions adopt full hydraulic drive, wherein stepless speed change and stable speed can be realized according to different working conditions; impact is small; a chassis is simply arranged; the whole crane is light in weight and convenient, safe and reliable to operate. The off-road tyre crane comprises an electro-hydraulic control system and a driving and steering device capable of quickly implementing mutual switching between various drive modes and steering modes, so that the turn radius is small; the power performance of the engine can be fully played; the economical efficiency of the fuel is increased; and the energy is saved. The whole crane has good off-road performance, mechanical property and working condition adaptability during driving and operation by adopting a special integral box-shaped closed structure chassis, independent rigid suspension, arc-shaped lifting arms and ''X''-shaped telescopic support legs; the off-road tyre crane is convenient to maintain and particularly suitable for narrow and small workplaces of building sites such as airports, oil fields, ports, wharves, storehouses and the like.
Description
Technical field
The utility model belongs to elevator machinery, relates to a kind of rough terrain wheeled crane.
Background technology
Rough terrain wheeled crane mainly is used in narrow and small construction sites, building ground such as airport, oil field, harbour, harbour, warehouse.It is mobile convenient reliable to require hoisting crane to handle, and turn radius is little, from heavy and light, and good off-road capability, good lifting performance and higher intensity and rigidity.But; The structure keystone configuration of rough terrain wheeled crane is characterized as in the market: 1, car load goes and adopts mechanical drive mode to drive; Power is passed to by transmission shaft on the drive axle of front and back through tor-con, change speed gear box, auxiliary gear box from driving engine again; Power is passed on the wheel reduction gear through semiaxis through main reduction gear again, accomplish the car load driving of going.Make chassis structure become complicated, the car load deadweight increases, and energy consumption increases.2, linear crane arm often need be stretched crane arm longer at the harbour, when harbour, warehouse and other special operation condition operation, or adjust job position repeatedly, to satisfy the operation needs, has reduced operating efficiency.3, oleo-pneumatic suspension system or steel spring cooperate suspension with the locking hydraulic ram; Need to increase separately pilot piping and respective valve group; Increased and controlled complexity; Hydraulic ram locking the time receives that the influence of each steel spring self rigidity is difficult to realize that locking is balanced, and it is relatively poor that band carries when going whole vehicle stability.4, " H " shape telescopic outrigger, at the harbour, narrow and small construction site, building ground such as harbour, warehouse, performance of operating condition is relatively poor.
Summary of the invention
The purpose of the utility model is the deficiency that exists to above-mentioned existing structure and provide a kind of rational in infrastructure, manipulation, operation convenient and reliable, energy-conservation, is suitable for the rough terrain wheeled crane of narrow and small construction site operation.
The utility model rough terrain wheeled crane everything all adopts full hydraulic drive.
The utility model comprises the lifting partial sum of the getting on the bus chassis of going of getting off.The lifting of getting on the bus partly comprises the arc crane arm, has control cabin, amplitude oil cylinder, turntable, the lifting mechanism of operator's compartment function and is positioned at crane arm in-to-in telescoping mechanism; The get off chassis of going comprises and whole box-shaped enclosed construction underframe and " X " shape telescopic outrigger also comprises the intelligent electrohydraulic control system of being made up of low speed high torque hydraulic motor and Duo Lian Hydraulic Pump.Many couplet Hydraulic Pumps are the low speed high torque hydraulic motor that media drive is installed on forward and backward drive axle end with hydraulic oil, thereby realize going of car load.
The crane arm of the utility model is the arc crane arm; This crane arm is made up of the mutual socket of a plurality of single-units; Each single-unit comprises left side plate and cover plate up and down, and left side plate is at the short transverse camber, and cover plate is at the thickness direction camber up and down; Left side plate and up and down cover plate along edges of boards along to be welded together to form the cross section be rectangle, profile is the tubular structure of arc.The arc crane arm is stressed good when operation, under the special operation condition, can make full use of the space, and operating turnaround is shortened, and operating efficiency is higher.
The control cabin of the utility model is fixed on the left side of turntable with the function of operator's compartment, makes the operator's compartment broad view.Establish instrument desk, steering handwheel, electric control handle, adjustable seat, heating and fridge equipment etc. in it, handle comfortable generous, safe and efficient.
The underframe of the utility model is whole box-type enclosed construction, whole box-shaped enclosed construction underframe guarantee hoisting crane uneven road conditions go with any operation operating mode under have good intensity and rigidity.
Four telescopic outriggers of the utility model are respectively with its axis and the underframe axis is angled is fixed on the underframe; Overlook direction and be " X " shape layout; Wherein two are fixed on the bottom of underframe and lay respectively at the underframe both ends; In addition two are stretched into underframe middle part, its axis and the angled underframe two ends that are fixed on of preceding two axis from side, underframe two ends.The two telescopic outrigger axis that promptly are fixed on two ends, underframe bottom are parallel to each other, and the two telescopic outrigger axis that stretch into the underframe middle part from side, underframe two ends are parallel to each other.The movable supporting legs case is flexible realizes that by built-in supporting leg telescopic oil cylinder its stroke is decided by different working conditions, and is convenient and swift when making operation, stressed good, has good performance of operating condition.
There are three kinds of type of drive on the chassis of going of the utility model: front-wheel, trailing wheel and four wheel drive, the switching of three kinds of type of drive by being installed in the valve group controls that join between Hydraulic Pump and the low speed high torque hydraulic motor more.When on the smooth-riding surface, going, switch to two-wheel drive, switch to four wheel drive when injustice, abominable road traveling.Give full play to engine power performance and improved fuel economy, practiced thrift the energy.
The wheel steering of the utility model has four kinds of modes: front-wheel steering, rear-axle steering, crab row turn to, four-wheel steering, and the mutual switching of four kinds of steering modes is by the steering hydraulic oil cylinder and the control of the valve group between the Duo Lian Hydraulic Pump that are installed on the forward and backward drive axle housing.The working space is narrow and small or changeablely during operation in gradient place make hoisting crane operating mode comformability stronger for four-wheel steering or crab row turn to, and when giving full play to engine power performance, and has improved fuel economy, has practiced thrift the energy.
The forward and backward drive axle of the utility model makes hoisting crane car load when load is gone have higher stability and reliability through special carrier and said underframe direct connection together.
The advantage of the utility model is: everything adopts full hydraulic drive, can realize stepless changes and velocity-stabilization according to different operating modes, impacts for a short time, and the chassis arranges that simply complete vehicle weight is light, handles convenient safe and reliable.Having can the multiple type of drive of Rapid Realization and the electrohydraulic control system switched each other of steering mode and driving, steering hardware, makes turn radius little, can give full play to engine power performance and improve fuel economy, energy savings.Adopt dedicated integral box-shaped enclosed construction underframe; Independently rigid suspended, arc crane arm, " X " shape telescopic outrigger make car load go, have during operation good off-road capability; Mechanical property; The adaptability for working condition ability, easy to maintenance, be particularly suitable for narrow and small construction sites, building ground such as airport, oil field, harbour, harbour, warehouse.
Description of drawings
Fig. 1 is the utility model gabarit structural representation.
Fig. 2 is the utility model gabarit structure schematic top plan view.
The specific embodiment
The embodiment of the utility model is seen Fig. 1 and Fig. 2.The lifting part 1 of getting on the bus is mainly by arc crane arm 11, control cabin 12, amplitude oil cylinder 13, turntable 14, lifting mechanism 15 be positioned at crane arm in-to-in telescoping mechanism 29 and form.Get off go chassis 2 mainly by whole box-shaped enclosed construction underframe 21, telescopic outrigger 22, front driving axle 25, rear driving axle 26, low speed high torque hydraulic motor 23, driving engine 27, join Hydraulic Pump 24, wheel 28 etc. more and form.
As shown in Figure 1, pivoting support 3 is fixed on the underframe 21.Turntable 14 is fixed on the pivoting support 3, and swing type mechanism 141 is fixed on the turntable 14, and turntable 14 is realized the revolution continuously of 360 degree under the driving of swing type mechanism 141, realizes the comprehensive year operation of hanging.Control cabin 12 with operator's compartment function is fixed on turntable 14 left sides, makes the operator's compartment broad view.Establish instrument desk, steering handwheel, electric control handle, adjustable seat, heating and fridge equipment etc. in it, handle comfortable generous, safe and efficient.
Driving engine 27 is installed on the afterbody of underframe 21, for the hoisting operation of getting on the bus provides power with getting off to go.Hydraulic oil through many couplet Hydraulic Pump 24 through being installed on centre revolving joint 30 on the underframe 21 to last vehicle hydraulic system executive module; The controlling of vehicle hydraulic system in the completion comprises flexible, the revolution of turntable 14 of the rising and falling of the amplitude oil cylinder 13 of getting on the bus, arc crane arm 11, the up-down of lifting mechanism 15.Hydraulic oil is realized controlling of vehicle hydraulic system down through many couplet Hydraulic Pump 24 to following vehicle hydraulic system executive module, mainly comprise supporting leg 22 and go up the vertical leg oil cylinder flexible, wheel 28 driving with turn to.
Fixed supporting leg case, the movable supporting legs case of " X " shape telescopic outrigger are the square-section casing that steel plate is welded.Four telescopic outriggers are respectively with its axis and underframe 21 axis are angled is fixed on the underframe 21; Overlook direction and be " X " shape layout; Wherein two are fixed on the bottom of underframe 21 and lay respectively at underframe 21 both ends; In addition two are stretched into underframe 21 middle parts, angled underframe 21 two ends that are fixed on of its axis and preceding two axis from side, underframe 21 two ends.The two telescopic outrigger axis that promptly are fixed on two ends, underframe 21 bottom are parallel to each other, and the two telescopic outrigger axis that stretch into underframe 21 middle parts from side, underframe 21 two ends are parallel to each other.The movable supporting legs case can be more piece, and is socketed in fixed supporting leg case inside, and it is flexible, and stroke is decided by different working conditions, and is convenient and swift when making operation by built-in supporting leg telescopic oil cylinder realization, stressed good, has good performance of operating condition.
There are three kinds of type of drive on the chassis: f-w-d, back-wheel drive, four wheel drive.Low speed high torque hydraulic motor 23 through being installed in front driving axle 25, rear driving axle 26 two ends comes drive wheels 28, realizes that car load goes.Wheel 28 steering modes have front-wheel steering, rear-axle steering, crab row to turn to and four-wheel steering.It is mainly realized through the steering hydraulic oil cylinder that is installed on front driving axle 25, the rear driving axle 26 axle housing bodies.Everything is realized full hydraulic drive and is controlled through intelligent electrohydraulic control system.Car load turns to Selection of driving and is switched by automatically controlled button on the instrument desk in the control cabin, the indoor liquid crystal significant screen that also is provided with, and the intelligence control system through special use directly feeds back to the operator with the data under each operating mode, makes the operation quick and safe reliable.
Claims (8)
1. a rough terrain wheeled crane comprises get on the bus lifting part (1) and the chassis (2) of going of getting off, and the lifting part (1) of getting on the bus comprises arc crane arm (11), control cabin (12); The get off chassis (2) of going comprises underframe (21) and telescopic outrigger (22); It is characterized in that: the said chassis of going also comprises the intelligent electrohydraulic control system of being made up of low speed high torque hydraulic motor (23) and many couplet Hydraulic Pumps (24); Many couplet Hydraulic Pumps (24) are the low speed high torque hydraulic motor (23) that media drive is installed on forward and backward drive axle end with hydraulic oil, thereby realize going of car load.
2. rough terrain wheeled crane as claimed in claim 1; It is characterized in that: said crane arm (11) is the arc crane arm, and this crane arm is made up of the mutual socket of a plurality of single-units, and each single-unit comprises left side plate and cover plate up and down; Left side plate is at the short transverse camber; Cover plate is at the thickness direction camber up and down, left side plate and up and down cover plate be rectangle along edges of boards along being welded together to form the cross section, profile is the tubular structure of arc.
3. rough terrain wheeled crane as claimed in claim 1 is characterized in that: said control cabin is provided with instrument desk, steering handwheel, electric control handle, adjustable seat, heating and fridge equipment etc. in (12), is used for vehicle performance, driving.
4. rough terrain wheeled crane as claimed in claim 1 is characterized in that: said underframe (21) is whole box-type enclosed construction.
5. rough terrain wheeled crane as claimed in claim 1; It is characterized in that: said telescopic outrigger (22) has four; Respectively with its axis and underframe (21) axis is angled is fixed on the underframe (21); Overlook direction and be " X " shape layout; Wherein two are fixed on the bottom of underframe (21) and lay respectively at underframe (21) both ends, and in addition two are stretched into underframe middle part, angled underframe (21) two ends that are fixed on of its axis and preceding two axis from underframe (21) side, two ends; The two telescopic outrigger axis that are fixed on two ends, underframe (21) bottom are parallel to each other, and the two telescopic outrigger axis that stretch into underframe (21) middle part from side, underframe 21 two ends are parallel to each other.
6. rough terrain wheeled crane as claimed in claim 1; It is characterized in that: there are three kinds of type of drive on the said chassis of going (2): front-wheel, trailing wheel and four wheel drive, the switching of three kinds of type of drive by being installed in the valve group controls that join between Hydraulic Pump (24) and the low speed high torque hydraulic motor (23) more.
7. rough terrain wheeled crane as claimed in claim 1; It is characterized in that: wheel steering has four kinds of modes: front-wheel steering, rear-axle steering, crab row turn to, four-wheel steering, and the mutual switching of four kinds of steering modes is by the steering hydraulic oil cylinder and the control of the valve group between the Duo Lian Hydraulic Pump (24) that are installed on the forward and backward drive axle housing.
8. rough terrain wheeled crane according to claim 1 is characterized in that: forward and backward drive axle makes hoisting crane car load when load is gone have higher stability and reliability through special carrier and said underframe (21) direct connection together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202183969U CN202107455U (en) | 2011-06-27 | 2011-06-27 | Off-road tyre crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202183969U CN202107455U (en) | 2011-06-27 | 2011-06-27 | Off-road tyre crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202107455U true CN202107455U (en) | 2012-01-11 |
Family
ID=45432900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202183969U Expired - Lifetime CN202107455U (en) | 2011-06-27 | 2011-06-27 | Off-road tyre crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202107455U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180412A (en) * | 2011-06-27 | 2011-09-14 | 湖南中铁五新重工有限公司 | Rough-terrain wheeled crane |
| CN103332220A (en) * | 2013-07-30 | 2013-10-02 | 徐州重型机械有限公司 | Front lifting crane and hydraulic steering system thereof |
-
2011
- 2011-06-27 CN CN2011202183969U patent/CN202107455U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180412A (en) * | 2011-06-27 | 2011-09-14 | 湖南中铁五新重工有限公司 | Rough-terrain wheeled crane |
| CN103332220A (en) * | 2013-07-30 | 2013-10-02 | 徐州重型机械有限公司 | Front lifting crane and hydraulic steering system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120111 Effective date of abandoning: 20121003 |