CN208322485U - Gantry is used in a kind of welding - Google Patents
Gantry is used in a kind of welding Download PDFInfo
- Publication number
- CN208322485U CN208322485U CN201820282928.7U CN201820282928U CN208322485U CN 208322485 U CN208322485 U CN 208322485U CN 201820282928 U CN201820282928 U CN 201820282928U CN 208322485 U CN208322485 U CN 208322485U
- Authority
- CN
- China
- Prior art keywords
- fixed
- column
- gantry
- hydraulic cylinder
- sprocket
- 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.)
- Active
Links
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model provides a kind of welding gantry, including column, it is fixed on the walking mechanism of column bottom, the hydraulicefficiency elevation structure being fixed on inside column, the hoistable platform lifted by hydraulicefficiency elevation structure, the crossbeam being fixed at the top of column, the hydraulicefficiency elevation structure includes the hydraulic cylinder being fixed in column, rack gear, the guide gear being engaged with rack, the guiding axis being connect with guide gear, the mounting base of fixed guide axis, the hydraulic cylinder movable end is fixedly connected with the bottom of mounting base, it further include being fixed on the sprocket shaft being located above guiding axis in mounting base, with the sprocket wheel of sprocket wheel axis connection, with sprocket engagement, one end is fixed on column, the other end is fixed on the chain on hoistable platform.Hydraulic cylinder movable end is every to rise one meter, and hoistable platform can be lifted two meters, break the limitation of great tonnage hydraulic cylinder lifting；For hydraulic cylinder in lifting, guide gear and rack gear cooperate substitution is previous to be slidably connected, and guarantee the steady of lifting.
Description
Technical field
The utility model belongs to tower welding technology field, and in particular to gantry is used in a kind of welding.
Background technique
The tower body of wind power generation iron tower, extra large stake etc. is welded by multiple groups shell ring, since tower body diameter is bigger, shell ring
Wall thickness is thicker, and in the production process, welding difficulty compares larger.For the welding effect obtained, traditional way is:
Boom platform is put on the cylinder for needing to weld, machine head of submerged-arc welding machine is placed on platform, starts turning rolls, makes tower body at the uniform velocity
The outer circumferential weld of welding tower body is carried out after rotation again.This tooling device exists easily to be shaken in the welding process, influences welding quality
The problem of.In order to overcome above-mentioned difficulties, existing way be using four column gantry, hoistable platform be slidably mounted on two columns it
Between, welding equipment is set on hoistable platform, can satisfy the welding of the tower body of different size.Existing hoistable platform is by leading
Rail and guide wheel are connect with column, and the distance of hoistable platform raising and lowering and the stroke of guide wheel are consistent.Due to gantry itself
Height at 12 meters or so, the hydraulic cylinder height of large-tonnage just has 7 meters, about 3.5 meters of stroke, and hoistable platform need by
6.5 meters or so of lifting, lifts by hydraulic cylinder merely, and hoistable platform cannot achieve the lifting of big distance at all.In addition to this,
Since portal frame horizontal span is very big, it is highly difficult that four columns, which lift hoistable platform simultaneously and keep balance, if cannot protect
Up and down balance system is held, welding quality is not only influenced, also be easy to cause failure.
Utility model content
The utility model provides a kind of welding gantry, and use great tonnage hydraulic cylinder of the existing technology is overcome to lift
Hoistable platform lifts big apart from limited limitation and portal frame horizontal span, it is difficult to the problem of keeping lifting balance.
Gantry, including column are used in a kind of welding provided by the utility model, are fixed on the walking mechanism of column bottom, fixed
Hydraulicefficiency elevation structure inside column, the hoistable platform lifted by hydraulicefficiency elevation structure, the crossbeam being fixed at the top of column, institute
Stating hydraulicefficiency elevation structure includes the hydraulic cylinder being fixed in column, rack gear, and the guide gear being engaged with rack connects with guide gear
The guiding axis connect, the mounting base of fixed guide axis, the hydraulic cylinder movable end are fixedly connected with the bottom of mounting base, further include solid
It is scheduled on the sprocket shaft being located above guiding axis in mounting base, the sprocket wheel with sprocket wheel axis connection is fixed on vertical with sprocket engagement, one end
On column, the other end be fixed on the chain on hoistable platform.
Further, the walking mechanism includes pedestal, is mounted on the traveling wheel at pedestal both ends, and the column bottom passes through
Bolt is mounted on the base.
Further, the idler wheel rolled on column is fixed on the hoistable platform.
Further, ladder is additionally provided on the column.
Further, one end of the sprocket shaft is installed with through type forced filling oil cup, the other end connection of the sprocket shaft
Directive wheel, and it is fixed with the first block plate.
Further, the sprocket shaft is connect by sprocket shaft bearing with sprocket wheel, and the two sides of the sprocket shaft bearing have logical lid,
The logical lid is fixedly connected with sprocket wheel, and the gap of the logical lid and sprocket shaft is equipped with set.
Further, described two guiding axis are connected by shaft coupling, and guiding axis is connect with coupling key.
Further, the hydraulic cylinder is fixedly connected by fixing seat with column.
Further, the rack gear is fixedly connected by screw with column.
Further, the guiding axis is keyed guide gear, and the end of guiding axis is fixedly connected with the second block plate.
The utility model has the beneficial effects that
Gantry of the utility model adapts to the tower welding of different size, and every one meter of the rising of hydraulic cylinder movable end, rises
Two meters can be lifted by dropping platform, break the limitation of great tonnage hydraulic cylinder lifting, hoistable platform can be given rise to the top at gantry
End；For hydraulic cylinder in lifting, guide gear and rack gear cooperate substitution is previous to be slidably connected, and can more accurately control hydraulic
Cylinder stroke it is consistent, guarantee the steady of lifting, while the guiding axis between two columns ensured always by machine-walking mode
Rise in the same horizontal line or decline, also protects guiding axis, extend the service life of guiding axis；Self structure rigidity
Height, stability are good, are suitble to the welding of major diameter tower, and welding quality can be improved, improve welding efficiency, reduce labor intensity.
Detailed description of the invention
Fig. 1 is the overall structure diagram at gantry,
Fig. 2 is the overall structure diagram of hydraulicefficiency elevation structure,
Fig. 3 is the portion Fig. 2A schematic enlarged-scale view,
Fig. 4 is the side view of Fig. 1.
Attached drawing mark:
1, column, 2, walking mechanism, 21, pedestal, 22, traveling wheel, 3, hydraulicefficiency elevation structure, 31, hydraulic cylinder, 32, rack gear,
33, gear, 34, guiding axis, 35, mounting base, 36, sprocket shaft, 37, sprocket wheel, 38, chain, 39, through type forced filling oil cup, 310,
Directive wheel, the 311, first block plate, 312, guide bearing, 313, sprocket shaft bearing, 314, Tong Gai, 315, set, 316, shaft coupling, 317,
Fixing seat, the 318, second block plate, 319, hydraulic cylinder seat, 4, hoistable platform, 41, idler wheel, 5, crossbeam, 6, ladder.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is used only for explaining
The utility model should not be understood as the restriction to the specific protection scope of the utility model.
Embodiment
Referring to Fig.1-4, welding gantry of the present embodiment includes column 1, is fixed on the walking mechanism 2 of 1 bottom of column, Gu
Hydraulicefficiency elevation structure 3 inside column 1, the hoistable platform 4 lifted by hydraulicefficiency elevation structure 3 are fixed on 1 top of column
Crossbeam 5, the hydraulicefficiency elevation structure 3 include hydraulic cylinder 31, the rack gear 32 being fixed in column 1, the guiding engaged with rack gear 32
Gear 33, the guiding axis 34 being connect with guide gear 33, the mounting base 35 of fixed guide axis 34,31 movable end of hydraulic cylinder
It is fixedly connected with the bottom of mounting base 35, further includes being fixed on the sprocket shaft 36 for being located at 34 top of guiding axis in mounting base 35, with
The sprocket wheel 37 that sprocket shaft 36 connects, is engaged, one end is fixed on column 1, the other end is fixed on hoistable platform 4 with sprocket wheel 37
Chain 38.
The present embodiment gantry is four rod structures, therefore there are four columns 1, hydraulicefficiency elevation structure 3 also has four sets, two columns
1 is one group, and 3 synchronous matching of hydraulicefficiency elevation structure of two columns 1 reaches the lifting of side hoistable platform 4, two groups of columns 1
3 synchronous matching of hydraulicefficiency elevation structure is the steady synchronous lifting that can reach entire hoistable platform 4, and can reach highly stable and put down
Weighing apparatus.
When work, the movable end of hydraulic cylinder 31 stretches out, and mounting base 35 is driven to rise, and guiding axis 34 rotates, and drives guiding tooth
Wheel 33 is walked on rack gear 32, and during hydraulic cylinder 31 lifts, guide gear 33 is walked the same number of teeth, so that it is guaranteed that
The balance of lifting.Chain 38 bypasses sprocket wheel 37, and in lifting process, sprocket wheel 37 is rotated, since one end of chain 37 is to be fixed on
On column 1, as soon as the every rising meter of hydraulic cylinder 31, hoistable platform 4 are lifted two meters, that is, the row of twice hydraulic cylinder 31
Journey plays a multiplier effect.
Specifically, the walking mechanism 2 includes pedestal 21, it is mounted on the traveling wheel 22 at 21 both ends of pedestal, 1 bottom of column
Portion is mounted on pedestal 21 by bolt.The effect of traveling wheel 22 is exactly that entire gantry can move.
The idler wheel 41 rolled on column 1 is fixed on the hoistable platform 4.In the process that hoistable platform 4 is lifted, rolling
Wheel 41 can reduce the frictional force between hoistable platform 4 and column 1, promote the efficiency of lifting in the surface scrolls of column 1.
It is additionally provided with ladder 6 on the column 1, convenient for completing welding etc. on staff to hoistable platform 4.
One end of the sprocket shaft 36 is installed with through type forced filling oil cup 39, and the other end of the sprocket shaft 36 connects guiding
Wheel 310, and it is fixed with the first block plate 311.The directive wheel 310 is connect by guide bearing 312 with sprocket shaft 36.The guiding
Wheel 310 plays the role of guiding in the inside of column 1.
The sprocket shaft 36 is connect by sprocket shaft bearing 313 with sprocket wheel 37, and the two sides of the sprocket shaft bearing 313 have logical lid
314, the logical lid 314 is fixedly connected with sprocket wheel 37, and the gap of the logical lid 314 and sprocket shaft 36 is equipped with set 315.
Described two guiding axis 34 are connected by shaft coupling 316, and guiding axis 34 and shaft coupling 316 are keyed.
The hydraulic cylinder 31 is fixedly connected by fixing seat 317 with column 1.
The rack gear 32 is fixedly connected by screw with column 1.
The guiding axis 34 is keyed guide gear 33, and the end of guiding axis 34 is fixedly connected with the second block plate 318.It is described
The bottom of hydraulic cylinder 31 is connected by screw to hydraulic cylinder seat 319.
Claims (10)
1. gantry is used in a kind of welding, it is characterised in that: including column, be fixed on the walking mechanism of column bottom, be fixed on column
Internal hydraulicefficiency elevation structure, the hoistable platform lifted by hydraulicefficiency elevation structure, the crossbeam being fixed at the top of column are described hydraulic
Elevating mechanism includes the hydraulic cylinder being fixed in column, rack gear, and the guide gear being engaged with rack, what is connect with guide gear leads
To axis, the mounting base of fixed guide axis, the guiding axis two are one group, and the bottom of the hydraulic cylinder movable end and mounting base is solid
Fixed connection further includes being fixed on the sprocket shaft being located above guiding axis in mounting base, and the sprocket wheel with sprocket wheel axis connection is nibbled with sprocket wheel
Conjunction, one end are fixed on column, the other end is fixed on the chain on hoistable platform.
2. gantry is used in welding according to claim 1, it is characterised in that: the walking mechanism includes pedestal, is mounted on bottom
The traveling wheel at seat both ends, the column bottom are mounted on the base by bolt.
3. gantry is used in welding according to claim 1, it is characterised in that: be fixed on the hoistable platform and rolled on column
Dynamic idler wheel.
4. gantry is used in welding according to claim 1, it is characterised in that: be additionally provided with ladder on the column.
5. gantry is used in welding according to claim 1, it is characterised in that: one end of the sprocket shaft is installed with through type pressure
The other end of priming cup, the sprocket shaft connects directive wheel, and is fixed with the first block plate.
6. gantry is used in welding according to claim 1, it is characterised in that: the sprocket shaft is connected by sprocket shaft bearing and sprocket wheel
It connects, the two sides of the sprocket shaft bearing have logical lid, and the logical lid is fixedly connected with sprocket wheel, and the gap of the logical lid and sprocket shaft is set
There is set.
7. gantry is used in welding according to claim 1, it is characterised in that: pass through shaft coupling between described every group two guiding axis
Device connection, and guiding axis is connect with coupling key.
8. gantry is used in welding according to claim 1, it is characterised in that: the hydraulic cylinder is fixed by fixing seat and column
Connection.
9. gantry is used in welding according to claim 1, it is characterised in that: the rack gear connects by the way that screw and column are fixed
It connects.
10. gantry is used in welding according to claim 1, it is characterised in that: the guiding axis is keyed guide gear, and leads
The second block plate is fixedly connected with to the end of axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820282928.7U CN208322485U (en) | 2018-02-28 | 2018-02-28 | Gantry is used in a kind of welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820282928.7U CN208322485U (en) | 2018-02-28 | 2018-02-28 | Gantry is used in a kind of welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208322485U true CN208322485U (en) | 2019-01-04 |
Family
ID=64782802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820282928.7U Active CN208322485U (en) | 2018-02-28 | 2018-02-28 | Gantry is used in a kind of welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208322485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108161292A (en) * | 2018-02-28 | 2018-06-15 | 青岛威达机械制造有限公司 | A kind of welding gantry |
-
2018
- 2018-02-28 CN CN201820282928.7U patent/CN208322485U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108161292A (en) * | 2018-02-28 | 2018-06-15 | 青岛威达机械制造有限公司 | A kind of welding gantry |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210457248U (en) | Self-jacking device for jacking and adding standard joint | |
| CN105926921A (en) | Automatic-positioning building handing basket device | |
| CN103274315B (en) | Installing and hoisting device for side plate and upright of gas chamber | |
| CN206318614U (en) | A kind of hydraulic up-down portal frame of the elevator laid for tunnel inner cable | |
| CN208322485U (en) | Gantry is used in a kind of welding | |
| CN203269405U (en) | Hoisting device for mounting side plates and upright columns of gas cabinet | |
| CN101961834B (en) | Diesel engine overturning table | |
| CN208327235U (en) | A kind of building machinery hoistable platform convenient for adjusting | |
| CN215364383U (en) | Wind power generation tower cylinder maintenance and repair device | |
| CN102615407B (en) | Lift platform with moving wings | |
| CN203610859U (en) | Tube section flipping platform | |
| CN208182529U (en) | Semi-gantry is used in a kind of welding | |
| CN108161292A (en) | A kind of welding gantry | |
| CN203715115U (en) | Supporting point structure for self-hoisting system of portal crane | |
| CN207845021U (en) | A kind of bamboo joint type spiral lifting platform | |
| CN202670961U (en) | External construction platform device for large-sized vertical column | |
| CN208182535U (en) | A kind of arch type lifter structure | |
| CN202655777U (en) | Walking lifting platform | |
| CN215592478U (en) | Large-scale hydroelectric generating set stopper dismouting mechanism | |
| CN205935603U (en) | Electric overhaul equipment auxiliary device | |
| CN109319686A (en) | A kind of guide tracked jacking system | |
| CN103418737A (en) | Stacking device for electrode press | |
| CN210048454U (en) | Adjustable lifting platform | |
| CN107695579A (en) | A kind of planer-type narrow gap welder | |
| CN207159996U (en) | A kind of adjustable pile frame of processor deep-layer stirring ship |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |