CN206941419U - A kind of walking mechanism of erection crane - Google Patents
A kind of walking mechanism of erection crane Download PDFInfo
- Publication number
- CN206941419U CN206941419U CN201720340554.5U CN201720340554U CN206941419U CN 206941419 U CN206941419 U CN 206941419U CN 201720340554 U CN201720340554 U CN 201720340554U CN 206941419 U CN206941419 U CN 206941419U
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- erection crane
- track
- crossbeam
- walking mechanism
- walking
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Abstract
The utility model discloses a kind of walking mechanism of erection crane, including：At least one set of drive device, it is arranged at the front fulcrum crossbeam of erection crane, to drive erection crane to move；Road wheel, it is arranged at the lower section of the rear anchor crossbeam of erection crane, is fixed by fixture and the rear anchor crossbeam.The drive device includes：Track；Hydraulic cylinder, the upper surface of the cylinder body of the hydraulic cylinder and the track are hinged；Rail contact, the external part of the rail contact and hydraulic cylinder piston are hinged, and are fixed with the front fulcrum crossbeam of erection crane；Jack, its top are connected with front fulcrum crossbeam.Rear running gear is reduced to road wheel by the utility model, the walking opinion directly can be walked using the power of preceding running gear, make the walking mechanism of whole erection crane become light and handy flexible, while also assures that the high efficiency of walking mechanism, can operate with bridge equipment field.
Description
Technical field
Bridge equipment field is the utility model is related to, more specifically, the utility model is related to a kind of row of erection crane
Walk mechanism.
Background technology
The walking mode that erection crane walking both at home and abroad is generally coordinated using track and oil cylinder at present, for elevator
The erection crane of lifting uses elongated track, and the erection crane of hydraulic pressure lift uses the track of front and rear segmentation.Elongated track structure
Size is big, and from heavy, frictional resistance is big, and the speed of travel is slow, and not use installation difficult with dismounting for track middle part；Segmented
Track without Driven by Hydraulic Cylinder needs manually to move track when walking in place, and wheel efficiency is low, and labor intensity is big.Therefore develop
A kind of simply the walk walking mechanism of convenient erection crane of new structure is necessary.
Utility model content
A purpose of the present utility model is that solve at least the above, and provides the advantages of at least will be described later.
The utility model also has a purpose to be to provide a kind of walking mechanism of erection crane, by by after erection crane
Running gear is changed to road wheel, improves the wheel efficiency of face loop wheel machine walking mechanism, while alleviates labor intensity.
In order to realize according to these purposes of the present utility model and further advantage, there is provided a kind of vehicle with walking machine of erection crane
Structure, including：At least one set of drive device, it is arranged at the front fulcrum crossbeam of erection crane, to drive erection crane to move；OK
Wheel is walked, it is arranged at the lower section of the rear anchor crossbeam of erection crane, is fixed by fixture and the rear anchor crossbeam.
Preferably, the drive device includes：Track；Hydraulic cylinder, the upper table of the cylinder body of the hydraulic cylinder and the track
Face is hinged；Rail contact, the external part of the rail contact and hydraulic cylinder piston are hinged, and horizontal with the front fulcrum of erection crane
Beam is fixed；Jack, its top are connected with front fulcrum crossbeam.
Preferably, the walking mechanism of described erection crane also includes walking round frame, and it passes through the bearing pin of the road wheel
Fixed, the rear anchor crossbeam of the walking round frame and erection crane connects.
Preferably, the number of the road wheel is at least one.
Preferably, the lower end of the rail contact is provided with two left-hand threads, and when jack jacks erection crane, left-hand thread is not
Depart from track.
The utility model comprises at least following beneficial effect：
1st, compared with the elongated track of existing erection crane walking mechanism, the utility model is by by erection crane
The elongated track of walking mechanism is changed to short track, significantly reduces heavy burden of the erection crane on bridge floor, hangs whole bridge floor
Machine device becomes light and handy flexible, makes the walking process of erection crane become simple.
2nd, compared with the segmented track of existing erection crane, the utility model will be changed to road wheel by track thereafter, make
It is more light and handy flexible to obtain whole erection crane, is moreover that track travel is driven by drive device in the utility model, goes
Fall the artificial amount of labour lifted the step of preceding track is walked forward, significantly reduce workmen of the prior art, and
Drive device of the present utility model need not have been subtracted track grappling-solution in the prior art with bridge floor grappling in the process of walking
Except grappling-moving track ,-grappling again-releases the process of grappling-this circulation of moving track again again, also mitigates the work of worker
Amount, so the utility model is a kind of light-duty, automation erection crane walking mechanism.
3rd, pressure is less near front fulcrum and at rear anchor point for center of gravity when the utility model is walked according to erection crane
Feature, rear walking track is cleverly changed to road wheel, not only ensure that the walking stability of erection crane, and reduce walking
Resistance, realizing the mode walked after being driven by forerunner makes complete machine be walked on bridge floor, improves wheel efficiency, reduces energy
Consumption, thus bridge equipment field can be widely used in.
Further advantage, target and feature of the present utility model embody part by following explanation, and part will also pass through
Research of the present utility model and practice are understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 the utility model erection crane overall structure sketches；
Fig. 2 the utility model Fig. 1 A direction views；
Fig. 3 the utility model rear walking wheel schematic diagrames；
Fig. 4 the utility model track and rail contact schematic diagram.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be noted that experimental method described in following embodiments, is conventional method unless otherwise specified, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained；In description of the present utility model, term " transverse direction ",
The instruction such as " longitudinal direction ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer "
Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and letter
Change description, be not instruction imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to limitation of the present utility model.
As Figure 1-4, the utility model provides a kind of walking mechanism of erection crane：At least one set of drive device, its
It is arranged at the front fulcrum crossbeam 6 of erection crane, to drive erection crane to move；Road wheel 7, after it is arranged at erection crane
The lower section of anchor crossbeam 9, fixed by fixture and the rear anchor crossbeam 9.In erection crane walking process, drive device drives
Road wheel 7 behind erection crane is walked, and the number of the drive device is according to the weight and size of erection crane come really
It is fixed.
The drive device includes：Track 1；Hydraulic cylinder 2, the cylinder body bottom of the hydraulic cylinder 2 and the upper table of the track 1
Face is hinged；Rail contact 3, the external part of the rail contact 3 and the piston rod of hydraulic cylinder 2 are hinged, and with before erection crane
Fulcrum crossbeam 6 is fixed；Jack 4, its top are connected with front fulcrum crossbeam 6.Jack 4, the top of jack 4 is by bolt with before
Fulcrum crossbeam 6 is connected, and the bottom branch of jack 4 is withstood on bridge floor.The hydraulic cylinder 2, in the process of walking, piston rod to extension,
Separated with hydraulic cylinder inner casing.After piston rod, which stretches out forward process, to be terminated, jack jacks up erection crane, now hydraulic cylinder
2 states that can be bounced back to towards piston rod movement before walking, while drive the track 1 for being hinged on hydraulic cylinder outer shell to walk forward.
The walking mechanism of described erection crane also includes walking round frame, and it is fixed by bearing pin and the road wheel 7, institute
The rear anchor crossbeam 9 for stating walking round frame and erection crane connects.Road wheel 7 passes through walking round frame and the rear anchor crossbeam 9 of erection crane
It is indirectly connected with, during piston rod stretches out and moved ahead, the erection crane, which moves ahead, drives road wheel 7 to walk forward, so far, whole
Individual loop wheel machine is walked forward.
The number of the road wheel 7 is at least one, and the wheel load that the number of the road wheel 7 is subject to according to it is true
It is fixed.The number of the road wheel 7 of the utility model selection is 1.
The lower end of the rail contact 3 is provided with two left-hand threads 10, when jack jacks erection crane, two left-hand threads 10
Track 1 is not departed from.In erection crane walking process, the track 1 is fastened in left-hand thread 10, this left-hand thread design, Ji Nengqi
Ensure again to guide effect certain free gap without departing from.
As shown in accompanying drawing 1-4, the piston rod of hydraulic cylinder 2 stretches out when erection crane is walked, and promotes erection crane on path 1
Slide, under the drive of metal structure 5, road wheel 7 rolls on bridge floor, when piston rod stretch out stroke at the end of, jack 4 to
After upper jacking jacks up erection crane from track 1, the piston rod of hydraulic cylinder 2 retraction, the rear side of dragging track 1 moves forward until piston
Bar is fully retracted into, and one walking circulation of erection crane is completed.
During erection crane is walked, the rail contact 3 contacts with track 1, and jack 4 is by erection crane
Jack up slightly, the rail contact 3 is only to be disengaged with track 1, and track 1 is be hinged with hydraulic cylinder 2, is incited somebody to action in jack 4
During erection crane is put down, track 1 will not be moved.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (5)
1. a kind of walking mechanism of erection crane, including：
At least one set of drive device, it is arranged at the front fulcrum crossbeam of erection crane, to drive erection crane to move；
Road wheel, it is arranged at the lower section of the rear anchor crossbeam of erection crane, is fixed by fixture and the rear anchor crossbeam.
2. the walking mechanism of erection crane as claimed in claim 1, it is characterised in that the drive device includes：
Track；
Hydraulic cylinder, the upper surface of the cylinder body of the hydraulic cylinder and the track are hinged；
Rail contact, the external part of the rail contact and hydraulic cylinder piston are hinged, and with the front fulcrum crossbeam of erection crane
It is fixed；
Jack, its top are connected with front fulcrum crossbeam.
3. the walking mechanism of erection crane as claimed in claim 1, it is characterised in that also include：
Walking round frame, it is fixed by bearing pin and the road wheel, the rear anchor crossbeam connection of the walking round frame and erection crane.
4. the walking mechanism of erection crane as claimed in claim 1, it is characterised in that the number of the road wheel is at least one
It is individual.
5. the walking mechanism of erection crane as claimed in claim 2, it is characterised in that the lower end of the rail contact is provided with
Two left-hand threads, when jack jacks erection crane, the left-hand thread does not depart from track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720340554.5U CN206941419U (en) | 2017-04-01 | 2017-04-01 | A kind of walking mechanism of erection crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720340554.5U CN206941419U (en) | 2017-04-01 | 2017-04-01 | A kind of walking mechanism of erection crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206941419U true CN206941419U (en) | 2018-01-30 |
Family
ID=61359197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720340554.5U Active CN206941419U (en) | 2017-04-01 | 2017-04-01 | A kind of walking mechanism of erection crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206941419U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111453630A (en) * | 2020-05-09 | 2020-07-28 | 中铁第五勘察设计院集团有限公司 | Bridge deck crane and using method thereof |
| CN111719439A (en) * | 2020-07-24 | 2020-09-29 | 中交二公局第二工程有限公司 | Bridge deck crane walking reverse buckling device, system and method |
| CN114108478A (en) * | 2021-11-30 | 2022-03-01 | 合建卡特工业股份有限公司 | Steel box and truss combined bridge deck crane support anchor system and walking method |
-
2017
- 2017-04-01 CN CN201720340554.5U patent/CN206941419U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111453630A (en) * | 2020-05-09 | 2020-07-28 | 中铁第五勘察设计院集团有限公司 | Bridge deck crane and using method thereof |
| CN111719439A (en) * | 2020-07-24 | 2020-09-29 | 中交二公局第二工程有限公司 | Bridge deck crane walking reverse buckling device, system and method |
| CN111719439B (en) * | 2020-07-24 | 2024-05-31 | 中交二公局第二工程有限公司 | Bridge deck crane walking back-buckling device, system and method |
| CN114108478A (en) * | 2021-11-30 | 2022-03-01 | 合建卡特工业股份有限公司 | Steel box and truss combined bridge deck crane support anchor system and walking method |
| CN114108478B (en) * | 2021-11-30 | 2024-02-23 | 中国铁建大桥工程局集团有限公司 | Steel box girder combined bridge deck crane supporting and anchoring system and walking method |
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