The full-automatic workover rig of mast lift
Technical field
Technical field of petroleum extraction is the utility model is related to, more particularly to a kind of full-automatic workover rig of mast lift.
Background technology
Workover rig or tractor hoist are most basic, most important power resources in well workover and Downhole Construction.By its operation
Structure is divided into two kinds of forms of crawler type and rubber-tyred.
Domestic traditional workover rig uses headframe type structure at present, has rope to fix, and is passed using carrier vehicle engine, fluid power
The trip crane system of the compositions such as dynamic, power shifting, winch, tourist bus, hook, hook is unstable during use, rock it is larger, it is unfavorable
In being smoothed out for work, and there is certain danger, could be improved.The application is based on background above and produced.
Utility model content
The utility model is simple in construction mainly solving the technical problems that provide a kind of full-automatic workover rig of mast lift
Rationally, hydraulic control can be concentrated, for crane system without rocking, stability is good, and safety coefficient is high, can effectively lift work effect
Rate.
In order to solve the above technical problems, the technical scheme that the utility model uses is:A kind of mast lift is provided
Full-automatic workover rig, including:
Vehicular equipment mounting platform, main support cylinder and secondary support oil are hinged with the vehicular equipment mounting platform
Cylinder, the rear end of the vehicular equipment mounting platform are fixed with main supporting support;
Mast body slide, the bottom of the mast body slide are hinged in main supporting support, upper end and main support cylinder
Upper end is hinged;
Quiet mast, the quiet mast are slidably fitted on mast body slide, the upper end of the secondary support cylinder and a set
The sliding sleeve being located on quiet mast is hinged, and the upper end of the quiet mast is further fixedly arranged on a steel wire rope contiguous block;
Quiet mast hoist cylinder, the bottom of the hoist cylinder are hinged on mast body slide, and upper end is fixed on one
Connecting seat on quiet mast is hinged;
Dynamic mast, the dynamic mast are slidably fitted on quiet mast, and the lower end of the dynamic mast is provided with bottom pulley, on
End is provided with top pulleys;
Dynamic mast hoist cylinder, the lower end of the dynamic mast hoist cylinder are connected on quiet mast, and upper end is connected to dynamic mast
On bar;
Lift truck, the top and bottom of the lift truck are respectively arranged with scroll wheel and lower scroll wheel, the upper rolling
Wheel and lower scroll wheel roll with the track on dynamic mast to be coordinated, and the upper end of the lift truck is connected with main rope, the main steel
The other end of cord is up around top pulleys and is connected on steel wire rope contiguous block, and the lower end of the lift truck is connected with secondary steel
Cord, the other end of the secondary steel wire rope down around bottom pulley and are connected on steel wire rope contiguous block.
In one preferred embodiment of the utility model, the main supporting support includes a vertical supporting rod, an oblique branch
Strut and a middle reinforcement cross bar, the bottom of the mast body slide and the top of vertical supporting rod are hinged.
In one preferred embodiment of the utility model, the top pulleys are divided into front and rear symmetrical two groups of pulleys, every group
Four, the main rope has four.
In one preferred embodiment of the utility model, the base portion pulley has two, and the secondary steel wire rope has two.
In one preferred embodiment of the utility model, it is provided with the lift truck and grabs elevator machine for fixing workover rig
The connecting hole of structure.
In one preferred embodiment of the utility model, the main support cylinder has two, is symmetrical set.
In one preferred embodiment of the utility model, the secondary support cylinder has two, is symmetrical set.
The beneficial effects of the utility model are:The full-automatic workover rig of the utility model mast lift, it is simple and reasonable,
Hydraulic control can be concentrated, for crane system without rocking, stability is good, and safety coefficient is high, can effectively lift operating efficiency.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Other accompanying drawings are obtained, wherein:
Fig. 1 is the structural representation of the full-automatic preferred embodiment of workover rig one of the utility model mast lift;
Fig. 2 is Fig. 1 partial enlarged drawing;
Fig. 3 is Fig. 1 side view;
Fig. 4 is the structural representation of mast body slide;
Fig. 5 is Fig. 4 side view;
Fig. 6 is the structural representation of lift truck;
Fig. 7 is Fig. 6 side view.
The mark of each part is as follows in accompanying drawing:1st, vehicular equipment mounting platform, 2, main support cylinder, 3, secondary support oil
Cylinder, 4, main supporting support, 5, mast body slide, 6, quiet mast, 7, sliding sleeve, 8, steel wire rope contiguous block, 9, quiet mast hoist cylinder,
10th, connecting seat, 11, dynamic mast, 12, bottom pulley, 13, top pulleys, 14, dynamic mast hoist cylinder, 15, lift truck, 16, on
Scroll wheel, 17, lower scroll wheel, 18, main rope, 19, secondary steel wire rope.
Embodiment
The technical scheme in the embodiment of the utility model will be clearly and completely described below, it is clear that described
Embodiment is only part of the embodiment of the present utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Fig. 1 to Fig. 7 is referred to, the utility model embodiment includes:
A kind of full-automatic workover rig of mast lift, including:Vehicular equipment mounting platform 1, mast body slide 5, quiet mast
Bar 6, quiet mast hoist cylinder 9, dynamic mast 11, dynamic mast hoist cylinder 14 and lift truck 15.
Main support cylinder 2 and secondary support cylinder 3, the vehicular equipment are hinged with the vehicular equipment mounting platform
The rear end of mounting platform is fixed with main supporting support 4.
The main support cylinder has two, is symmetrical set, and the secondary support cylinder has two, is symmetrical set,
The main support cylinder and secondary support cylinder control quiet mast to hold up or lie down.
The bottom of the mast body slide is hinged in main supporting support, and upper end and the upper end of main support cylinder are hinged on one
Rise.
The quiet mast is slidably fitted on mast body slide, and the upper end of the secondary support cylinder is set in quiet mast with one
Sliding sleeve 7 on bar is be hinged, and the upper end of the quiet mast is further fixedly arranged on a steel wire rope contiguous block 8.
The bottom of the quiet mast hoist cylinder is hinged on mast body slide, and upper end is fixed on quiet mast with one
Connecting seat 10 is be hinged.
The dynamic mast is slidably fitted on quiet mast, and the lower end of the dynamic mast is provided with bottom pulley 12, and upper end is set
It is equipped with top pulleys 13.
The lower end of the dynamic mast hoist cylinder is connected on quiet mast, and upper end is connected on dynamic mast.
The top and bottom of the lift truck are respectively arranged with scroll wheel 16 and lower scroll wheel 17, the upper scroll wheel and
Lower scroll wheel rolls with the track on dynamic mast to be coordinated, and the upper end of the lift truck is connected with main rope 18, the king wire
The other end of rope is up around top pulleys and is connected on steel wire rope contiguous block, and the lower end of the lift truck is connected with secondary steel wire
Rope 19, the other end of the secondary steel wire rope down around bottom pulley and is connected on steel wire rope contiguous block.
The bottom pulley 12, top pulleys 13, main rope 18, the 19 isostructural setting of secondary steel wire rope, formed a kind of
Speed structure so that the lifting speed of lift truck is the double of dynamic mast lifting speed.
The top pulleys are divided into front and rear symmetrical two groups of pulleys, and every group four, the main rope has four.
The base portion pulley has two, and the secondary steel wire rope has two.
The course of work of the present utility model is as follows:1st, control vehicle stops to setting position;2nd, main support cylinder and pair are started
Support cylinder, quiet mast is supported jointly, quiet mast is holded up;3rd, quiet mast hoist cylinder is started, by quiet mast lifting to setting
Highly;4th, start dynamic mast hoist cylinder, control dynamic mast lifting, and then control lift truck lifting.
Preferably, the main supporting support includes a vertical supporting rod, an inclined support bar and a middle reinforcement cross bar,
Support strength is high, and the bottom of the mast body slide and the top of vertical supporting rod are hinged.
It is provided with the connecting hole that lift sub gear is grabbed for fixing workover rig on the lift truck, the lifting in the utility model
Car is moved up and down close to quiet mast in lifting process, will not be produced and be rocked, stability is good, so that workover rig is hung
Mechanism for card is grabbed pipe and is more convenient.
The beneficial effects of the utility model are:The full-automatic workover rig of the utility model mast lift, it is simple and reasonable,
Hydraulic control can be concentrated, for crane system without rocking, stability is good, and safety coefficient is high, can effectively lift operating efficiency.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure or equivalent flow conversion made using the utility model description, or directly or indirectly it is used in other phases
The technical field of pass, similarly it is included in scope of patent protection of the present utility model.