CN209277821U - A kind of rotary drilling rig that double leval jib auxiliary mast folds back - Google Patents

A kind of rotary drilling rig that double leval jib auxiliary mast folds back Download PDF

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Publication number
CN209277821U
CN209277821U CN201821496508.5U CN201821496508U CN209277821U CN 209277821 U CN209277821 U CN 209277821U CN 201821496508 U CN201821496508 U CN 201821496508U CN 209277821 U CN209277821 U CN 209277821U
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mast
oil cylinder
support
hinged
platform
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CN201821496508.5U
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易炜
黎起富
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CHTC Jove Heavy Industry Co Ltd
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CHTC Jove Heavy Industry Co Ltd
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Abstract

The utility model discloses the rotary drilling rigs that a kind of double leval jib auxiliary mast folds back, including chassis, vehicle body platform, swing arm, amplitude oil cylinder, mast oil cylinder, support device, support rod, mast assembly, power head and drilling rod;Support device includes shaking oil cylinder and support frame;Power head is installed on mast assembly, and drilling rod is installed on power head;Vehicle body platform is installed on chassis by revolving support;One end of swing arm is hinged with vehicle body platform, and the other end is hinged with mast assembly;One end of amplitude oil cylinder is hinged with vehicle body platform, and the other end is hinged with swing arm;One end of support rod is hinged with vehicle body platform, and one end of the other end and mast oil cylinder is hinged;The other end of mast oil cylinder is hinged with mast assembly;The one end for shaking oil cylinder and support frame is hinged with vehicle body platform, and the centre for shaking the oil cylinder other end and support frame is hinged.Utility model works stability is high, mast assembly can fold back, short distance convenient transfer.

Description

A kind of rotary drilling rig that double leval jib auxiliary mast folds back
Technical field
The utility model belongs to rotary drilling rig technical field, folds back more particularly to a kind of double leval jib auxiliary mast Rotary drilling rig
Background technique
Rotary drilling rig structure type is basically divided into two kinds currently on the market: parallelogram sturcutre and big gusseted knot Structure.Current middle-size and small-size rotary drilling rig generally uses parallelogram sturcutre, and luffing is flexible, and mast folds back when transport, transports Defeated convenience, but mast oil cylinder is small to the support angle of mast when work, and job stability is relatively poor, is unfavorable for into rock.At present Large-scale rotary drilling rig generally uses big triangular support configurations, and support angle is big, and mast can bear bigger torque, the operation is stable Property it is high, be convenient for into rock, but mast hypsokinesis angle is generally at maximum up to 20 °, center of gravity is higher, is lain prone when transport before mast, but not pipe range Distance or short distance transportation, it is necessary to which the components such as power head of dismantling, drilling rod, dismounting is highly inconvenient, time-consuming and laborious.
A kind of mast folding-back rotary drilling rig disclosed in patent document CN201610852993.4, including turntable, Swing arm, mast, drilling rod, power head, mast oil cylinder and amplitude oil cylinder, one end of swing arm and turntable are hinged and connected, swing arm it is another One end and mast are hinged and connected, and one end of mast oil cylinder and turntable are hinged and connected, the hinged phase of the other end and mast of mast oil cylinder Even, one end of amplitude oil cylinder and turntable are hinged and connected, and the other end and swing arm of amplitude oil cylinder are hinged and connected, and rotary drilling rig further includes One end of lift oil tank, lift oil tank is connected with turntable, and the other end of lift oil tank is free end, and lift oil tank is used in movable mast Stage or raising stage stretch out and hold mast.The jib lubbing mechanism of this rotary drilling rig has had both existing parallelogram luffing mechanism The advantages of with double big triangle jib lubbing mechanisms, stability is high when work, and mast can fold back, and is also convenient for short distance transfer.But it rises One end of oil-lifting jar is fixedly connected with turntable, and the other end is automatic end, is stretched out at movable mast stage or raising stage and is held out mast Bar, but it has the following technical problems:
1, during movable mast, the presence of lift oil tank, it is possible that lift oil tank and master winch steel wire rope are generated and done The problem of relating to increases drill pipe positioner to solve interference problem in rotary digging;In lift oil tank and master winch steel wire when operation Before rope interferes, master winch steel wire rope is made to be in relaxed state, then rig personnel can be with hand by master winch steel Cord draws apart, itself and lift oil tank is avoided to interfere, this not only increases the complexity of structure, at the same increase manufacture at This, and it is inconvenient for operation.
2, one end of lift oil tank is connected with turntable, and the other end is free end, movable mast or rise mast when lift oil tank be used for Mast is held, though it can assist mast oil cylinder that mast is made to fold back to horizontality under the action of lift oil tank, it is short to facilitate Distance transport, but lift oil tank is assisting mast to play mast or during movable mast, active force of the mast relative to lift oil tank Relative to lift oil tank itself there are a drift angle, so that lift oil tank is by unbalance loading, and this drift angle can be as mast be relative to water The variation of Plane Angle and change, cause lift oil tank Impact direction uncertain and unbalance stress, so be easy to cause raising oily The damage such as sealing element in cylinder, or even cause that lift oil tank is scrapped and can not be worked, greatly reduce lift oil tank uses the longevity Life, safety coefficient is low, and maintenance cost is high;Simultaneously because lift oil tank is caused lift oil tank carrying limited, so that mast by unbalance loading It plays mast or when movable mast is unstable, to be unable to satisfy the demand of different large-scale rotary drilling rigs, use scope is limited.
3, it when lift oil tank assists mast movable mast or plays mast, is slided when the other end of lift oil tank is moved along mast surface Dynamic friction, coefficient of friction is big, causes mast surface and the lift oil tank other end to wear big, not only damages mast and lift oil tank, The service life of mast and lift oil tank is reduced, while influencing lift oil tank auxiliary mast movable mast or playing the precision of mast.
Utility model content
The purpose of this utility model, which is that, has overcome the deficiencies of the prior art and provide that a kind of job stability is high, mast The rotary drilling rig that assembly can fold back, short distance convenient transfer and safe and reliable double leval jib auxiliary mast fold back.
To achieve the goals above, the utility model provides a kind of churning driven that double leval jib auxiliary mast folds back Machine, including chassis, vehicle body platform, swing arm, amplitude oil cylinder, mast oil cylinder, support device, support rod, mast assembly, power head and Drilling rod;The support device includes shaking oil cylinder and support frame;The power head is installed on the mast assembly, the drilling rod It is installed on the power head;
The vehicle body platform is installed on the chassis by revolving support;One end of the swing arm and the vehicle body platform It is hinged, the other end is hinged with the mast assembly;One end of the amplitude oil cylinder is hinged with the vehicle body platform, another End is hinged with the swing arm;One end of the support rod is hinged with the vehicle body platform, the other end and the mast oil cylinder One end be hinged;The other end of the mast oil cylinder is hinged with the mast assembly;Oil cylinder and the support frame of shaking One end is hinged with the vehicle body platform, and the centre of the shake oil cylinder other end and support frame as described above is hinged, the branch The other end of support is connected with idler wheel;A four-bar mechanism is constituted between the shake oil cylinder, support frame and vehicle body platform;Work as institute State mast assembly from it angle between horizontal plane be predetermined angular backward movable mast to horizontality and the mast by horizontality When to the predetermined angular, mast assembly described in the roller supporting.
Further, auxiliary or the support device assist alone institute simultaneously for the support device and the mast oil cylinder It states mast assembly and plays mast or movable mast.
Further, the predetermined angular is 10-20 °.
Further, the quantity of the mast oil cylinder be two, one end of two mast oil cylinders respectively with the support The both ends of bar are hinged;A big three-legged structure is constituted between the mast oil cylinder, support rod, swing arm and mast assembly;Described in two A big three-legged structure is constituted between mast oil cylinder and the support rod.
Further, the quantity of the support device is two and alternate setting is to avoid installing on the mast assembly Master winch steel wire rope.
Compared with prior art, the utility model has the beneficial effects that
1, a big three-legged structure is constituted between the utility model mast oil cylinder, support rod, swing arm and mast assembly;Two masts A big three-legged structure, stabilized structure, job stability height are constituted between oil cylinder and support rod.The utility model mast assembly simultaneously When predetermined angular movable mast mast to predetermined angular by horizontality to horizontality and mast assembly backward, support device and mast Rod oil cylinder assists mast assembly mast or movable mast or support device that mast assembly is assisted to play mast or movable mast alone simultaneously;So Under the action of support device and mast oil cylinder, when rotary drilling rig needs short distance to shift, so that mast assembly is folded back with It is placed at horizontality, machine gravity is low, and transport is steady, and safety coefficient is high, and can so pass through nothing on the ground of great slope Resistance, can also avoid high-altitude obstacle well, low to building site requirement when shifting transport, and not have to dismounting drilling rod and power head just Displacement can be achieved, it is time saving and energy saving.When rotary drilling rig needs long-distance transportation, the components such as power head and drilling rod are dismantled, no Need Auxiliary support.Therefore, the utility model has had both the advantages of existing parallel four side structure and big three-legged structure, and when work is steady Qualitative height, mast assembly can fold back, and be also convenient for short distance transfer.
2, a double leval jib is constituted between the support rod and shake oil cylinder and vehicle body platform that the utility model support device includes Mechanism, stable structure is reliable, so as to give mast assembly effectively stable support, guarantees when mast assembly plays mast or movable mast Stability, securely and reliably.The other end of support frame is connected with idler wheel, and idler wheel contacts mast assembly, under the action of shaking oil cylinder Driving support frame is swung with the with respect to the horizontal plane variation of angle of mast assembly, therefore is shaken oil cylinder carrying direction and determined, Not by unbalance loading, stress performance is good, gets rid of the prior art since lift oil tank is by unbalance loading, and lift oil tank inner seal liner damage occurs Bad the problems such as, while being idler wheel friction when idler wheel is moved along mast assembly surface, coefficient of friction is small, effective protection support frame and Mast assembly gets rid of for sliding friction when lift oil tank in the prior art is moved along mast surface, and bring coefficient of friction is big, Mast surface and the abrasion of the lift oil tank other end are big, damage mast and lift oil tank, and reduce mast and lift oil tank uses the longevity Life, the problem of influencing lift oil tank auxiliary mast movable mast or play the precision of mast.
The quantity of the utility model support device is two and alternate setting is to avoid the master installed on the mast assembly Winding steel wire rope, and two support device great efforts, structure is more stable, while getting rid of the prior art and fixing lift oil tank It being mounted on for holding mast assembly middle position, bring lift oil tank and master winch steel wire rope lead to the problem of interference, And for solve interference problem, increase drill pipe positioner on rotary drilling rig, further bring increase structure is complicated and manufacture at Sheet and problem inconvenient for operation.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is structural schematic diagram when the utility model support device assists movable mast or plays mast.
Fig. 2 be the utility model movable mast to horizontality when or structural schematic diagram when short distance transportation state.
Fig. 3 be the utility model rise mast to mast assembly at plumbness when structural schematic diagram.
Fig. 4 is the partial schematic diagram that the utility model is used to show mast oil cylinder and support rod assembly.
Fig. 5 is that the utility model is used to show support frame and shake the partial schematic diagram of oil cylinder.
Fig. 6 is that Fig. 5 dismantles the left view of vehicle body platform.
Above-mentioned appended drawing reference:
1 chassis, 2 vehicle body platforms, 3 swing arms, 4 amplitude oil cylinders, 5 mast oil cylinders, 6 support rods, 7 support frames, 8 shake oil cylinders, 9 Mast assembly, 10 power heads, 11 drilling rods, 12 horizontal axis, 13 cross bars, 14 idler wheels.
Specific embodiment
Utility model is further illustrated with reference to the accompanying drawing, but is not intended to limit the scope of the present invention.
Embodiment
As shown in Figure 1-3, the rotary drilling rig that a kind of double leval jib auxiliary mast provided by the utility model folds back, including Chassis 1, vehicle body platform 2, swing arm 3, amplitude oil cylinder 4, mast oil cylinder 5, support device, support rod 6, mast assembly 9, power head 10 With drilling rod 11;The support device includes shaking oil cylinder 8 and support frame 7;The power head 10 is installed on the mast assembly 9 On, the drilling rod 11 is installed on the power head 10.
The vehicle body platform 2 is installed on the chassis 1 by revolving support;One end of the swing arm 3 and the vehicle body Platform 2 is hinged, and the other end is hinged with the mast assembly 9;One end of the amplitude oil cylinder 4 and 2 phase of vehicle body platform Hingedly, the other end is hinged with the swing arm 3;One end of the support rod 6 is hinged with the vehicle body platform 2, the other end with One end of the mast oil cylinder 5 is hinged;The other end of the mast oil cylinder 5 is hinged with the mast assembly 8.
As shown in figure 4, the quantity of the mast oil cylinder 5 be two, one end of two mast oil cylinders 5 respectively with the branch The both ends of strut 6 are hinged;A big three-legged structure is constituted between the mast oil cylinder 5, support rod 6, swing arm 3 and mast assembly 8; A big three-legged structure is constituted between two mast oil cylinders 5 and the support rod 6, so that this practical new new structure is firm, work Make stability height.
One end of the shake oil cylinder 8 and support frame 7 is hinged with the vehicle body platform 2, and the shake oil cylinder 8 is another It holds and is hinged with the centre of support frame as described above 7, the other end of support frame as described above 7 is connected with idler wheel 14;The shake oil cylinder 8, branch A four-bar mechanism is constituted between support 7 and vehicle body platform 2.
When from it, the angle between horizontal plane is predetermined angular movable mast to horizontality backward to the mast assembly 9, institute It states idler wheel 14 and supports the mast assembly 8, wherein the support device and the mast oil cylinder 5 assist simultaneously or the support Device assists alone 9 movable mast of mast assembly, when the support device assists alone 9 movable mast of mast assembly, mast oil Cylinder 5 is in quick condition.Specifically, oil cylinder 8 is shaken to shrink to drive support frame 7 to rotate around with 2 place of being hinged of vehicle body platform, such as Orientation shown in Fig. 1-2, i.e. support frame 7 rotate counterclockwise relative to vehicle body platform 2.
When mast to the predetermined angular by horizontality of mast assembly 9, the idler wheel 14 supports the mast assembly 9, wherein the support device and the mast oil cylinder 5 assist simultaneously or the support device assists alone the mast assembly 9 masts, when the support device assists alone the mast assembly 9 to play mast, mast oil cylinder 5 is in quick condition.Specifically, it shakes The dynamic elongation of oil cylinder 8 is to drive support frame 7 to rotate around with 2 place of being hinged of vehicle body platform, orientation as shown in Figs. 1-2, i.e. 7 phase of support frame Vehicle body platform 2 is rotated clockwise.
In the present embodiment, the predetermined angular is 10-20 °.Prior art middle mast assembly 9 is by predetermined angular movable mast to water The movable mast process of level state and by horizontality mast to predetermined angular rise mast process, this movable mast process and rise a mast process In, mast oil cylinder 5 has been unable to complete 9 movable mast of mast assembly or has played mast.
The utility model, when rotary drilling rig needs short distance to shift, makes under the action of support device and mast oil cylinder 5 Mast assembly 9 folds back to place at horizontality, and machine gravity is low, and transport is steady, and safety coefficient is high, so can be larger It goes everywhere without any hindrance here on the ground of the gradient, can also avoid high-altitude obstacle well, it is low to building site requirement when shifting transport, and do not have to Dismounting drilling rod and power head achieve that displacement, time saving and energy saving.When rotary drilling rig needs long-distance transportation, by power head 10 and bore The components such as bar 11 are dismantled, and Auxiliary support is not needed.Therefore, the utility model has had both existing parallel four side structure and big by three The advantages of corner structure, stability is high when work, and mast assembly 9 can fold back, and is also convenient for short distance transfer.
A double leval jib is constituted between the support rod 7 and shake oil cylinder 8 and vehicle body platform 2 that the utility model support device includes Mechanism, stable structure is reliable, so as to give mast assembly 9 effectively stable support, when guaranteeing that mast assembly 9 plays mast or movable mast Stability, securely and reliably, and idler wheel 14 is contacted with mast assembly 9, under the action of shaking oil cylinder 8 drive support frame 7 with The with respect to the horizontal plane variation of angle of mast assembly 9 and swing, therefore shake oil cylinder 8 carry direction determine, not by unbalance loading, stress Performance is good, gets rid of the prior art since lift oil tank is by unbalance loading, and the problems such as lift oil tank inner seal liner damage occurs.Simultaneously It is idler wheel friction when idler wheel 14 is moved along 9 surface of mast assembly, coefficient of friction is small, effective protection support frame 7 and mast assembly 9, it gets rid of for sliding friction when lift oil tank in the prior art is moved along mast surface, bring coefficient of friction is big, mast table Face and the abrasion of the lift oil tank other end are big, damage mast and lift oil tank, reduce the service life of mast and lift oil tank, influence The problem of lift oil tank assists mast movable mast or plays the precision of mast.
Preferably, the quantity of the support device is two and alternate setting is to avoid installing on the mast assembly 9 Master winch steel wire rope, two support device great efforts, structure is more stable, while getting rid of the prior art and fixing lift oil tank It being mounted on for holding mast assembly middle position, bring lift oil tank and master winch steel wire rope lead to the problem of interference, And for solve interference problem, increase drill pipe positioner on rotary drilling rig, further bring increase structure is complicated and manufacture at Sheet and problem inconvenient for operation.
As shown in Figure 5,6, mast assembly 9 is between two support frames 7, one end of two support frames 7 with 2 phase of vehicle body platform Hingedly, the other end is hinged by horizontal axis 12, and alternate on horizontal axis 12 outer is cased with two idler wheels 14;The centre of two support frames 7 passes through Cross bar 13 is connected, wherein cross bar 13 and the welding of 7 phase of support frame or integral structure, and two shake the other end of oil cylinders 8 and cross bar 13 are hinged.When support device auxiliary mast assembly 9 plays mast or movable mast, two idler wheels 14 on horizontal axis 12 contact mast assembly 9.
It in the present embodiment, is hinged between part to be hinged by articulated shaft two-by-two, or passes through existing other modes It carries out hingedly, and this is the prior art, is repeated no more.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, the utility model can also on the premise of not departing from the spirit and scope of the utility model There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model is wanted Protection scope is asked to be defined by appended claims and its equivalent.

Claims (4)

1. the rotary drilling rig that a kind of double leval jib auxiliary mast folds back, it is characterised in that: including chassis, vehicle body platform, swing arm, Amplitude oil cylinder, mast oil cylinder, support device, support rod, mast assembly, power head and drilling rod;The support device includes shaking Oil cylinder and support frame;The power head is installed on the mast assembly, and the drilling rod is installed on the power head;
The vehicle body platform is installed on the chassis by revolving support;It is mutually cut with scissors with the vehicle body platform one end of the swing arm It connects, the other end is hinged with the mast assembly;One end of the amplitude oil cylinder is hinged with the vehicle body platform, the other end with The swing arm is hinged;One end of the support rod is hinged with the vehicle body platform, and the one of the other end and the mast oil cylinder End is hinged;The other end of the mast oil cylinder is hinged with the mast assembly;Described one end for shaking oil cylinder and support frame It is hinged with the vehicle body platform, the centre of the shake oil cylinder other end and support frame as described above is hinged, support frame as described above The other end be connected with idler wheel;A four-bar mechanism is constituted between the shake oil cylinder, support frame and vehicle body platform;The support The quantity of device is two and alternate setting is to avoid the master winch steel wire rope installed on the mast assembly;
When the mast assembly from it angle between horizontal plane be predetermined angular backward movable mast to horizontality and by level When state plays mast to the predetermined angular, mast assembly described in the roller supporting.
2. the rotary drilling rig that a kind of double leval jib auxiliary mast according to claim 1 folds back, which is characterized in that described Support device and the mast oil cylinder assist simultaneously or the support device assists alone the mast assembly to play mast or movable mast.
3. the rotary drilling rig that a kind of double leval jib auxiliary mast according to claim 1 or 2 folds back, which is characterized in that The predetermined angular is 10-20 °.
4. the rotary drilling rig that a kind of double leval jib auxiliary mast according to claim 1 or 2 folds back, which is characterized in that The quantity of the mast oil cylinder is two, and both ends of the one end of two mast oil cylinders respectively with the support rod are hinged;Institute State one big three-legged structure of composition between mast oil cylinder, support rod, swing arm and mast assembly;Two mast oil cylinders and the support A big three-legged structure is constituted between bar.
CN201821496508.5U 2018-09-13 2018-09-13 A kind of rotary drilling rig that double leval jib auxiliary mast folds back Active CN209277821U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821496508.5U CN209277821U (en) 2018-09-13 2018-09-13 A kind of rotary drilling rig that double leval jib auxiliary mast folds back

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821496508.5U CN209277821U (en) 2018-09-13 2018-09-13 A kind of rotary drilling rig that double leval jib auxiliary mast folds back

Publications (1)

Publication Number Publication Date
CN209277821U true CN209277821U (en) 2019-08-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821496508.5U Active CN209277821U (en) 2018-09-13 2018-09-13 A kind of rotary drilling rig that double leval jib auxiliary mast folds back

Country Status (1)

Country Link
CN (1) CN209277821U (en)

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