CN2216060Y - Travelling crane - Google Patents
Travelling crane Download PDFInfo
- Publication number
- CN2216060Y CN2216060Y CN 94231165 CN94231165U CN2216060Y CN 2216060 Y CN2216060 Y CN 2216060Y CN 94231165 CN94231165 CN 94231165 CN 94231165 U CN94231165 U CN 94231165U CN 2216060 Y CN2216060 Y CN 2216060Y
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- walking
- stride
- travelling
- support oil
- 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)
- Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
- Jib Cranes (AREA)
Abstract
The utility model discloses a travelling crane in which a chassis hinged or provided with telescopic support beams at four corners is arranged below the get-on hoisting part of the existing crane. The ends of the support beams are provided with support oil cylinders, wherein, piston rods of which are vertically downward connected with travelling wheels which are arranged in the slide ways of travelling tracks. The longitudinal planes of the travelling tracks are provided with travelling oil cylinders. The lower part of the chassis is provided with a travelling steering wheel below which a tray capable of touching ground is arranged. The utility model has small self weight and ground stress, flexible operation, high safety, higher work efficiency, convenient site shift and transportation.
Description
The utility model relates to a kind of walk type crane that is used for the building engineering site operation.
At present, the on-the-spot hoisting operation in construction site is extensive use of automobile crane and crawler crane, the automobile crane maneuverability, and the transition scheduling is convenient.But operation is shifted at every turn at the scene, must the withdrawal jib.Therefore operating efficiency is low on a large scale at the scene, and costs an arm and a leg, and maintenance and various vehicle usage charges are all very high, and cost is big.Crawler crane is the efficiency of operation height at the scene, and price is also low than car hosit, but transition allocation and transportation difficulty needs the full size vehicle more than 40 tons to finish.Be subjected to conditionalities such as super wide, superelevation and road and bridge in addition, some operation field can't be transported.When above-mentioned two kinds of hoisting cranes are shifted in soft workyard, must fill up roadbed steel plate auxiliary moving, thereby increase working out.
The utility model provides a kind of operating efficiency than automobile crane height, and deadweight and ground connection stress are less than the crawler-mounted hoisting crane, and it is convenient to reach site operation, and transition is easy to purpose.
The utility model is to change to having the stride of chute by keeping existing crane lifting part, getting off, and by oil cylinder and walking steering handwheel, the motion of road wheel realizes its purpose.Four jiaos of hinge joint supporting leg beams promptly are set under the lifting rotating disk or the chassis of telescopic legs beam are set, the end of supporting leg beam is equipped with support oil cylinder respectively, the piston rod of support oil cylinder vertically downward and connect the walking train, road wheel places in the chute on the stride.Settle the walking oil cylinder on the longitudinal median plane of stride, the cylinder body of walking oil cylinder and piston rod link with walking train, stride respectively.The pallet that can contact to earth below by the assembling of walking steering handwheel in the chassis.
Support oil cylinder on four supporting leg beams of the present utility model is divided into two groups, links to each other with two strides respectively.A walking oil cylinder is arranged on each stride, and support oil cylinder makes the stride vertical lift, makes it liftoff or contacts to earth.Pallet contacted to earth when stride was liftoff, and walking oil cylinder piston bar moves and drives the stride translation, and stride is finished walking process again during ground connection.Stride lands during crane job, has reduced ground connection stress greatly, and can be liftoff at pallet, and the stride ground state utilizes walking oil cylinder piston bar to move down, makes upper frame part finish the translation of walking oil cylinder piston trip distance when lifting.
Two hydraulic circuit parallel connections of walking between the oil cylinder, synchronized movement when making two stride translations.The hydraulic circuit parallel connection of four support oil cylinders, install on the oil circuit of each support oil cylinder by two plug-in mounting cone valves and the control oil channel that Solenoid ball valve is formed, the rodless cavity of an one plug-in mounting cone valve master hydraulic fluid port chord leg oil cylinder, another plug-in mounting cone valve master hydraulic fluid port chord leg cylinder rod chamber, the control port of two plug-in mounting cone valves also connects energising magnetic ball valve.When the whole conductings of Solenoid ball valve circuit, four two-way equal can actions of support oil cylinder, finish the work that crane lifting and stride are mentioned, when four full dead electricity of electric ball valve, the equal akinesia of support oil cylinder, this moment, the The whole control oil circuit had the function of bidirectional hydraulic lock, can " soft leg " when guaranteeing hoisting operation.When the hoisting crane leveling needs certain support oil cylinder single movement, only with the Solenoid ball valve conducting of this control oil channel, this moment, control system possessed the function that multistation is adjusted valve again, because plug-in mounting cone valve through-current capacity is big, can make the supporting leg fast lifting, easy to operate rapidly.
Walking train under the support oil cylinder comprises one or several live axles, and there are two road wheels at the live axle two ends, and two road wheels place in the chute on stride both sides, and chute has upper and lower track.Lower railway when getting on the right track for support oil cylinder piston rod upward movement, contacts road wheel for the road wheel walking with it, provides anticaustic power that stride is mentioned.
Stride is connected with support oil cylinder piston-rod lower end utilization strand pin by the walking train, and can disassemble easily.It is particularly convenient when transition is transported like this.
The utility model is compared with crawler crane, its planar dimension is bigger, the hoisting operation good stability, the stride ground contact area is also bigger simultaneously, ground connection stress can reduce more than 1/3rd, deadweight also alleviates about 30%, thereby does not need the place mat base board when the operation of soft workyard, has saved material.Because from heavy and light, convenient disassembly, the transition transportation easily.Be expert at the cooperation of oil cylinder and support oil cylinder down, the alerting ability of its work also greatly improves.And compare with car hosit, cost is low, and alerting ability is not inferior yet.Particularly outstanding is that its ground connection stress amplitude ratio crawler crane is also little, thereby just need not adopt processes such as less important work such as stretching out supporting leg, and adopts the big hydraulic circuit of through-current capacity, and work efficiency improves greatly, and safety is also better.
By the following examples and in conjunction with the accompanying drawings the utility model is described further.
Fig. 1 is the utility model integral structure scheme drawing.Fig. 2 is stride and a walking train partial enlarged drawing among Fig. 1, Fig. 3 be among Fig. 1 A to view.
Fig. 4 is the utility model hydraulic circuit scheme drawing, and Fig. 5 is a support oil cylinder hydraulic control oil circuit scheme drawing.
Fig. 6 is the utility model walking states scheme drawing.
Fig. 7, Fig. 8 are the utility model transition transportation scheme drawings.
Among Fig. 1, revolution constitutes crane part 1 with engine installation platform, operator's compartment, crane arm etc., the 2nd, the lifting rotating disk, it is down the lower frame part that is made of two symmetrical oblong strides 8, chassis 3, supporting leg beam 4, support oil cylinder 5, walking steering handwheel 6, pallet 7.Be chassis 3 below lifting steering handwheel 2, the chassis is for 3 times a walking steering handwheel 6, and the walking steering handwheel is for 6 times to mention the pallet 7 that falls.Pallet 7 can rotate relatively with other mechanism by the walking steering handwheel.The 3 four jiaos of hinge joints in chassis have four supporting leg beams 4, and every supporting leg beam 4 is equipped with support oil cylinder 5, the piston rod of support oil cylinder 5 vertically downward, its end by the walking train be connected with stride 8.
Among Fig. 2, the piston rod of support oil cylinder 5 is connected with the walking train, and there is the strand pin junction, makes support oil cylinder 5 and stride 8 separately.
Two road wheels 10 are installed in wheel shaft 9 two ends and constitute the walking train, and road wheel 10 places in the chute that is welded on stride 8 both sides.The chute lower railway is 14, and road wheel 10 is walked thereon.Getting on the right track is 11, and during piston rod movement, road wheel contacts with it, makes the also lifting with piston rod movement of stride 8.12 are mounted in the walking oil cylinder on the longitudinal median plane of stride 8.
In Fig. 3 view, four supporting leg beam 4 one ends 3 four jiaos of hinge joints on the chassis respectively, the other end is vertically installed support oil cylinder 5, constitutes a kind of jellyfish type chassis, makes between two strides 8 apart from changing.The 13rd, counterweight, the space that places the jellyfish type chassis is to improve crane stability.
Hydraulic circuit shown in Figure 4, there are two walking oil cylinders 12 to be installed in respectively on the longitudinal median plane of stride 8, two oil circuits of walking between the oil cylinder 12 are in parallel, four support oil cylinders 5 per two be installed on the stride, oil circuit parallel connection between four oil cylinders, and on each oil cylinder oil circuit installation and control oil circuit 15.
Control oil channel as shown in the figure, the oil circuit of two plug-in mounting cone valves 17 and a Solenoid ball valve 16 is such, the main hydraulic fluid port of the rodless cavity of oil cylinder 5 and a plug-in mounting cone valve 17 communicates, the main hydraulic fluid port of the rod chamber of oil cylinder 5 and another plug-in mounting cone valve 17 communicates, and the control port of two plug-in mounting cone valves 17 and Solenoid ball valve 16 parallel connections communicate.This control oil channel can make four oil cylinder 5 synchronization actions, also has the function of bidirectional hydraulic lock and adjustment valve.
Hoisting operation and whole device translation process are shown in A, B state among Fig. 6.The cylinder body of walking oil cylinder 12 and the hinge joint of walking train, piston rod and stride 8 hinge joints.In the A condition, pressure oil enters the rodless cavity of support oil cylinder 5 and walking oil cylinder 12, and support oil cylinder makes stride 8 support ground, and pallet 7 is liftoff thereupon, and the piston rod elongation of walking oil cylinder 12 makes upper frame part be transported to solid line position by A figure dotted line position, can begin hoisting operation.If will move longer position, as the B state, pressure oil is from support oil cylinder and the oil return of walking oil cylinder, and support oil cylinder lands pallet 7, and stride 8 is liftoff.The walking cylinder block drives road wheel and moves on stride chute track, and hoisting crane is advanced in the direction of arrows.By B primitive dotted line position to solid line position.And then repeat operation shown in the A figure, and so circulation is gone down, and then hoisting crane constantly advances.
During hoisting crane entrucking transition, as Fig. 7, shown in Figure 8.Dismounting overlength part, support oil cylinder rises main body, and transport trolley 17 is pressed the reversing of direction shown in Fig. 7 arrow, support oil cylinder 5 declines are fallen on the flat board of transport trolley 17 crane main body then, again stride 8 and support oil cylinder are thrown off, as shown in Figure 8, draw supporting leg beam 4 in withdrawal and get final product.
Claims (4)
1, a kind of walk type crane comprises existing lifting part (1), has stride (8), oil cylinder (5), (12), walking steering handwheel (6), the road wheel (10) of chute, it is characterized in that:
Four jiaos of chassis (3) that link supporting leg beams (4) or telescopic legs beam (4) are set are set under lifting rotating disk (2), the end of supporting leg beam (4) is equipped with support oil cylinder (5) respectively, the piston rod of support oil cylinder (5) also connects the walking train vertically downward, road wheel (10) places in the chute on the stride (8), settle walking oil cylinder (12) on the longitudinal median plane of stride (8), the cylinder body of walking oil cylinder (12) and piston rod link with walking train, stride (8) respectively, the pallet (7) that chassis (3) can contact to earth below by walking steering handwheel (6) assembling.
2, hoisting crane according to claim 1, its feature also is:
The hydraulic circuit parallel connection of support oil cylinder (5), the control oil channel of being made up of two plug-in mounting cone valves (17) and a Solenoid ball valve (16) (16) is installed on the oil circuit of every support oil cylinder (5), the rodless cavity of a plug-in mounting cone valve (17) main hydraulic fluid port chord leg oil cylinder (5) wherein, the control port of two plug-in mounting cone valves of the rod chamber of another plug-in mounting cone valve (17) main hydraulic fluid port chord leg oil cylinder (5) (17) also connects energising magnetic ball valve (16).
3, hoisting crane according to claim 1, its feature also is:
Chute has upper and lower track (11), (14).
4, hoisting crane according to claim 1, its feature also is:
Stride (8) is connected with support oil cylinder (5) piston-rod lower end utilization strand pin by the walking train.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94231165 CN2216060Y (en) | 1994-12-19 | 1994-12-19 | Travelling crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94231165 CN2216060Y (en) | 1994-12-19 | 1994-12-19 | Travelling crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2216060Y true CN2216060Y (en) | 1995-12-27 |
Family
ID=33843080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94231165 Expired - Fee Related CN2216060Y (en) | 1994-12-19 | 1994-12-19 | Travelling crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2216060Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332871C (en) * | 2005-09-29 | 2007-08-22 | 上海市第二市政工程有限公司 | Method for kingsize gate-type crane translational transfer and its rotary device |
| CN1891611B (en) * | 2005-07-06 | 2010-04-21 | 安徽柳工起重机有限公司 | Walk type crane |
| CN101838990A (en) * | 2010-05-10 | 2010-09-22 | 天津宏九地工程机械有限公司 | Walking-type pile driver chassis and walking-type pile driver containing same |
| CN102359109A (en) * | 2011-08-08 | 2012-02-22 | 长沙天为工程机械制造有限公司 | Static pile press for narrow site and ultra-short side pile distance construction |
| CN102431907A (en) * | 2010-09-29 | 2012-05-02 | 上海尤加工程机械科技有限公司 | Walking type tunnel carriageway plate crane |
| CN105926952A (en) * | 2016-06-30 | 2016-09-07 | 浙江精工钢结构集团有限公司 | Floor conversion steel beam moving along with truck-mounted crane and using method of floor conversion steel beam |
| CN113026856A (en) * | 2020-12-30 | 2021-06-25 | 徐州徐工挖掘机械有限公司 | Digging machine soft ground anti-sinking device |
-
1994
- 1994-12-19 CN CN 94231165 patent/CN2216060Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1891611B (en) * | 2005-07-06 | 2010-04-21 | 安徽柳工起重机有限公司 | Walk type crane |
| CN1332871C (en) * | 2005-09-29 | 2007-08-22 | 上海市第二市政工程有限公司 | Method for kingsize gate-type crane translational transfer and its rotary device |
| CN101838990A (en) * | 2010-05-10 | 2010-09-22 | 天津宏九地工程机械有限公司 | Walking-type pile driver chassis and walking-type pile driver containing same |
| CN101838990B (en) * | 2010-05-10 | 2011-09-28 | 天津宏九地工程机械有限公司 | Walking-type pile driver chassis and walking-type pile driver containing same |
| CN102431907A (en) * | 2010-09-29 | 2012-05-02 | 上海尤加工程机械科技有限公司 | Walking type tunnel carriageway plate crane |
| CN102431907B (en) * | 2010-09-29 | 2014-07-16 | 上海尤加工程机械科技有限公司 | Walking type tunnel carriageway plate crane |
| CN102359109A (en) * | 2011-08-08 | 2012-02-22 | 长沙天为工程机械制造有限公司 | Static pile press for narrow site and ultra-short side pile distance construction |
| CN105926952A (en) * | 2016-06-30 | 2016-09-07 | 浙江精工钢结构集团有限公司 | Floor conversion steel beam moving along with truck-mounted crane and using method of floor conversion steel beam |
| CN105926952B (en) * | 2016-06-30 | 2018-04-24 | 浙江精工钢结构集团有限公司 | A kind of flooring conversion girder steel and its application method with truck crane movement |
| CN113026856A (en) * | 2020-12-30 | 2021-06-25 | 徐州徐工挖掘机械有限公司 | Digging machine soft ground anti-sinking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |