CN102536127A - Rotary drilling rig and mast device thereof - Google Patents
Rotary drilling rig and mast device thereof Download PDFInfo
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- CN102536127A CN102536127A CN2012100306751A CN201210030675A CN102536127A CN 102536127 A CN102536127 A CN 102536127A CN 2012100306751 A CN2012100306751 A CN 2012100306751A CN 201210030675 A CN201210030675 A CN 201210030675A CN 102536127 A CN102536127 A CN 102536127A
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- mast
- catead
- folding
- oil cylinder
- upper mast
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Abstract
The invention discloses a mast device for a rotary drilling rig. The mast device comprises a cathead, an upper mast hinged with the cathead, a middle mast hinged with the upper mast, an automatic cathead folding mechanism and an automatic upper mast folding mechanism, wherein the automatic cathead folding mechanism comprises a first folding oil cylinder arranged between the cathead and the upper mast; and the automatic upper mast folding mechanism is a connecting rod connecting device with a crank sliding block and two rockers. The cathead and the upper mast of the mast device can be automatically folded when the rotary drilling rig is used for transfer transportation, so that the mast device is conveniently assembled and disassembled by a user, time and labor are saved, and the transfer efficiency of the rotary drilling rig is greatly improved. The invention also discloses the rotary drilling rig with the mast device.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of mast installation that is used for rotary drilling rig.The invention still further relates to a kind of rotary drilling rig that comprises above-mentioned mast installation.
Background technology
Rotary drilling rig is the construction machinery of pore-forming operation in a kind of building foundation engineering.Rotary drilling rig mainly is applicable to soil layer constructions such as sand, cohesive soil, slity soil, in multiple foundation basic constructions such as castinplace pile, diaphragm wall, underpin, is used widely.
The rotary drilling rig construction transportation of the time need cutting to, and when transition and transportation, need carry out dismounting to rig and transport.Wherein the mast part will fold.The mast installation of rotary drilling rig comprises catead, upper mast, middle mast, elevator frame and following mast five big parts, in the transition transportation, need fold catead and upper mast, to reduce the complete machine height and the length of rotary drilling rig, reaches movement requirement.
Folding of catead has dual mode usually in the prior art.Please refer to Fig. 1 and Fig. 2, Fig. 1 is the folding pre-structure sketch map of catead in the prior art; Fig. 2 is the folding back of a catead structural representation in the prior art.
In rotary drilling rig, catead 101 is connected with upper mast 103 with bearing pin 105 through bearing pin 102, and catead 101 is provided with nylon sheet 106, and upper mast 103 is provided with mounting assembly 104.
When rotary drilling rig is cut to, earlier bearing pin 102 is pulled down, utilize the artificial pulling of wire rope catead 101; Make catead 101 rotate around bearing pin 105; When nylon sheet on the catead 101 106 and mounting assembly 104 on the upper mast 103 offset when cooperating, stop operating the catead of packing into then delivery coupling bar 107; Again insert bearing pin 102, promptly accomplish the folding work of catead 101.
Please refer to Fig. 3, Fig. 3 is a upper mast foldable structure sketch map in the prior art.
Upper mast 103 is connected with middle mast 111 with bearing pin 110 through bearing pin 108; The upper end of upper mast 103 is provided with Connection Block 109, and the lower end of middle mast is provided with Connection Block 112, and Connection Block 109 is arranged on the same side with Connection Block 112.
When rotary drilling rig is cut to; Earlier bearing pin 108 is pulled down, utilized the artificial pulling of wire rope upper mast 103, upper mast 103 is rotated around bearing pin 110; When upper mast 103 turns over 180 °; Connection Block 109 and the Connection Block on the middle mast 111 112 on the upper mast 103 overlap, and insert connecting pin 113, promptly accomplish the folding work of upper mast 103.
By on can know; At present when rotary drilling rig is cut to; The folding of catead and upper mast is through the dismounting bearing pin, utilizes the rotation of wire rope manual work pulling catead and upper mast to realize the folding of rotary drilling rig mast installation, and be not only time-consuming but also require great effort during owing to the bearing pin dismounting; And often dismantle the wearing and tearing aggravation that bearing pin makes bearing pin, strengthened the possibility of damage of components; Owing to need manually-operated, have very big unsafe factor simultaneously, the efficient of not only cutting to is low, and cost of labor is also high, influences whole programming.
Therefore, in rotary drilling rig when transportation transition, how making the catead of mast installation and upper mast convenient folding, not only safely but also time saving and energy saving, can also increase substantially transition efficient, is the present technical issues that need to address of those skilled in the art.
Summary of the invention
The purpose of this invention is to provide a kind of mast installation, be used for rotary drilling rig, the catead of this mast installation and upper mast folding convenient, not only safe but also time saving and energy saving, can also increase substantially transition efficient.Another object of the present invention provides a kind of rotary drilling rig that comprises above-mentioned mast installation.
For solving the problems of the technologies described above; The present invention provides a kind of mast installation; Be used for rotary drilling rig, comprise catead, the upper mast that is connected with said catead and the middle mast that is connected with said upper mast, also comprise catead automatic folding mechanism and upper mast automatic folding mechanism;
Said catead automatic folding mechanism comprises that further being arranged on first between said catead and the said upper mast folds oil cylinder;
Said upper mast automatic folding mechanism further comprises connecting rod, angular pole and is connected in the second folding oil cylinder of said middle mast; One end of said angular pole is hinged with an end, the said second folding oil cylinder of said connecting rod respectively, and the other end of said angular pole and said middle mast are hinged, and the other end of said connecting rod and said upper mast are hinged.
Preferably, the rod chamber of said folding oil cylinder and rodless cavity are communicated with system pressure oil circuit and oil return circuit through equalizing valve respectively.
Preferably, be provided with the electromagnetic valve that the said folding oil cylinder of control stretches out or regains between said equalizing valve and system pressure oil circuit and the oil return circuit.
Preferably, the piston rod and the said catead of the said first folding oil cylinder are hinged, and the cylinder body and the said upper mast of the said first folding oil cylinder are hinged.
Preferably, the piston rod of the said second folding oil cylinder and an end of said angular pole are hinged, and the cylinder body and the said middle mast of the said second folding oil cylinder are hinged.
Preferably, on the large pulley gripper shoe rear portion of said catead and the rear wall plate of said upper mast limiting plate is set respectively, when said catead is in folded state, the cooperation that offsets of said limiting plate.
Preferably, said limiting plate is a nylon sheet.
A kind of rotary drilling rig comprises and gets on the bus and be arranged at the mast installation on getting on the bus that said mast installation is specially above-mentioned each described mast installation.
Above-mentioned background is technological relatively, and mast installation provided by the present invention comprises catead automatic folding mechanism and upper mast automatic folding mechanism.Said catead automatic folding mechanism comprises that being arranged at first between catead and the upper mast folds oil cylinder.When rotary drilling rig need be cut to transportation,, make the first folding cylinder rod chamber oil-feed through the catead control button; Catead rotates around hinge A; When limiting plate on the catead and limiting plate on the upper mast offset when cooperating, the locking hydraulically balanced valve can be realized the folding and fixing of catead.Said upper mast automatic folding mechanism comprises connecting rod, angular pole and is connected in the second folding oil cylinder of middle mast; One end of angular pole is hinged with an end, the second folding oil cylinder of connecting rod respectively, and the other end and the middle mast of angular pole are hinged, and the other end and the upper mast of connecting rod are hinged.When rotary drilling rig need be cut to transportation, the bearing pin of dismounting upper mast and middle mast hinge C was through the upper mast control button; Make the second folding cylinder rod chamber oil-feed; The second folding oil cylinder pulling angular pole, angular pole pulling connecting rod, connecting rod pulling upper mast rotates around hinge B; Locked oil cylinder when upper mast turns over 180 ° is accomplished the folding of upper mast.When mast installation provided by the present invention need be cut at rotary drilling rig, can auto-folder catead and upper mast, greatly saved the take-down time, strengthened the safety of Job Operations, improved the transition efficient of rotary drilling rig.
Description of drawings
Fig. 1 is the folding pre-structure sketch map of catead in the prior art;
Fig. 2 is the folding back of a catead structural representation in the prior art;
Fig. 3 is a upper mast foldable structure sketch map in the prior art;
Fig. 4 is the front view of catead automatic folding mechanism provided by the present invention;
Fig. 5 is the left view of catead automatic folding mechanism provided by the present invention;
Fig. 6 is that the provided by the present invention first folding oil cylinder is connected sketch map with the oil circuit of equalizing valve;
Fig. 7 is the left view of upper mast automatic folding mechanism provided by the present invention;
Fig. 8 is the partial enlarged drawing at I position among Fig. 7;
Fig. 9 is the front view of upper mast automatic folding mechanism provided by the present invention;
Figure 10 is the partial enlarged drawing at D position among Fig. 9;
Figure 11 is the structural representation after upper mast provided by the present invention folds.
The specific embodiment
Core of the present invention provides a kind of mast installation, is used for rotary drilling rig, and the catead of this mast installation and upper mast folding convenient are not only safe but also time saving and energy saving, can also increase substantially transition efficient.Another core of the present invention provides a kind of rotary drilling rig that comprises above-mentioned mast installation.
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with the accompanying drawing and the specific embodiment.
Please refer to Fig. 4 and Fig. 5, Fig. 4 is the front view of catead automatic folding mechanism provided by the present invention; Fig. 5 is the left view of catead automatic folding mechanism provided by the present invention.
In this embodiment, the mast installation of rotary drilling rig comprises catead 18, and catead 18 is used for fixing large pulley and truckle, changes the direction of motion of wire rope, the support component of lifting, decline drilling rod and lifting.
Between catead 18 and upper mast 19, be provided with the first folding oil cylinder 3.Can on catead 18 and upper mast 19, mount pad be set respectively, the first folding oil cylinder 3 is arranged between two mount pads.
Particularly, be provided with mount pad 1 at the rear portion of catead 18 large pulley gripper shoes 21, upper mast 19 rear wall plates are provided with down mount pad 4, can fix through welding to go up mount pad 1 and following mount pad 4, and this kind mode is not only easy but also reliable.
Here need to prove, refer to the left side in orientation shown in Fig. 4 behind the above-mentioned noun of locality, the upper and lower statement of the noun of locality is the relative position to catead 18 and upper mast 19.The explanation that should be appreciated that the above-mentioned noun of locality is in order to express easily, should not limit the scope that the application asks for protection, and is hereinafter described consistent therewith, repeats no more.
Here need to prove also that the said first folding oil cylinder 3 can be single-piston-rod hydraulic cylinder, has an end oil-feed of piston rod to be called the rod chamber oil-feed, an end oil-feed of piston-rodless is called the rodless cavity oil-feed; When the rod chamber oil-feed, an end oil return of piston-rodless, piston rod can be withdrawn in cylinder barrel; When the rodless cavity oil-feed, an end oil return of piston rod is arranged, piston rod can stretch out in cylinder barrel.The certain first folding oil cylinder 3 also can be double piston-rod hydraulic cylinder or other similar devices.
Particularly, the piston rod of the first folding oil cylinder 3 is connected with locking nut through bearing pin with last mount pad 1, and the cylinder body of the first folding oil cylinder 3 is connected with locking nut 7 through bearing pin 6 with following mount pad 4.The rod chamber of the first folding oil cylinder 3 and rodless cavity are communicated with system pressure oil circuit and oil return circuit through equalizing valve 22 respectively.After equalizing valve 22 lockings, promptly fixing catead 18 prevents relatively rotating between catead 18 and the upper mast 19.So (in Fig. 4 be benchmark to diagrammatic sketch) promptly relative with hinge A side does not need to be provided with another bearing pin again and fixes on the right side of catead 18 and upper mast 19.
Please refer to Fig. 6, Fig. 6 is that the provided by the present invention first folding oil cylinder is connected sketch map with the oil circuit of equalizing valve.
In this kind connected mode, the hydraulic fluid port A3 of equalizing valve 22 connects the hydraulic fluid port A4 of the rodless cavity of the said first folding oil cylinder 3, and the hydraulic fluid port B3 of equalizing valve 22 connects the hydraulic fluid port B4 of said first folding oil cylinder 3 rod chambers.
Further, in order to control the rod chamber oil-feed or the rodless cavity oil-feed of the first folding oil cylinder 3, between equalizing valve 22 and system pressure oil circuit and oil return circuit, be provided with electromagnetic valve 23.Wherein the hydraulic fluid port A1 of electromagnetic valve 23 and hydraulic fluid port B 1 are connected the hydraulic fluid port A2 and the hydraulic fluid port B3 of equalizing valve 22 respectively, and the hydraulic fluid port P of electromagnetic valve 23 receives the oil-feed direction, and hydraulic fluid port T is connected to the oil return direction.When the C01 of electromagnetic valve 23 gets when electric, the left side of electromagnetic valve 23 is connected, the oil-feed of B1 mouth, i.e. the rod chamber oil-feed of the first folding oil cylinder 3, the piston rod withdrawal of the first folding oil cylinder 3; When the C02 of electromagnetic valve 23 gets when electric, the right of electromagnetic valve 23 is connected, the oil-feed of A1 mouth, i.e. and the rodless cavity oil-feed of the first folding oil cylinder 3, the piston rod of the first folding oil cylinder 3 stretches out; When electromagnetic valve 23 must not electricity be an equalizing valve 22 when not having control signal, the first folding oil cylinder 3 is failure to actuate and is in blocking, and catead 18 also is in locking state, fixed-site.Here need to prove, the above-mentioned noun of locality is left and right be with among Figure 10 be benchmark to diagrammatic sketch.In actual mechanical process, can be catead control button control electromagnetic valve 23 and then the duty of passing through the equalizing valve 22 controls first folding oil cylinder 3 through terminal control.
When rotary drilling rig need be cut to transportation, after the mast landing, through the catead control button; Make the first folding oil cylinder 3 rod chamber oil-feeds; The piston rod of the folding oil cylinder 3 of winning is withdrawn in cylinder barrel, thereby pulling catead 18 rotate, and realizes the folding of catead 18 around bearing pin 2.
In order to limit the folding position of catead 18; Prevent that catead 18 from causing the collision of catead 18 and upper mast 19 because of inordinate rotation; Can limiting plate 17 be set at the rear portion of catead 18 large pulley gripper shoes 21; Another limiting plate also is set on the mounting assembly 5 on upper mast 19 rear wall plates matches with limiting plate 17, when catead 18 is in folded state, the cooperation that offsets of two limiting plates.Said limiting plate can be nylon sheet, and the toughness of nylon sheet is high, and damping capacity is good, and abrasion resistance is also good.
In the folding process of catead 18; When the limiting plate on limiting plate on the catead 18 17 and upper mast 19 mounting assemblies 5 offsets cooperation; Through the folding oil cylinder 3 of catead control button locking first,, prevent catead 18 rotation in the transition transportation with fixing catead 18; So far, accomplish the folding of catead 18.
When rotary drilling rig needs work; Through the catead control button; Make the first folding oil cylinder 3 rodless cavity oil-feeds, the piston rod of the folding oil cylinder 3 of winning stretched out in cylinder barrel, thus promote catead 18 around bearing pin 2 counter-rotation to the origin-location; The locking first folding oil cylinder 3 is accomplished opening of catead 18.Here need to prove that said opposite direction is relative catead 18 rotation direction when folding.
Please refer to Fig. 7, Fig. 8, Fig. 9, Figure 10 and Figure 11, Fig. 7 is the left view of upper mast automatic folding mechanism provided by the present invention; Fig. 8 is the partial enlarged drawing at I position among Fig. 7; Fig. 9 is the front view of upper mast automatic folding mechanism provided by the present invention; Figure 10 is the partial enlarged drawing at D position among Fig. 9; Figure 11 is the structural representation after upper mast provided by the present invention folds.
The lower end of upper mast 19 is connected with middle mast 20, can upper mast 19 be connected with middle mast 20 with hinge C at hinge B through bearing pin.Be provided with linkage between upper mast 19 and the middle mast 20, be used for the folding of upper mast 19.This linkage is made up of connecting rod 8, angular pole 9, the second folding oil cylinder 10 and upper mast 19 jibs and middle mast 20 jibs.
Here need to prove; The second folding oil cylinder 10 also can be single-piston-rod hydraulic cylinder; Between the second folding oil cylinder 10 and system pressure oil circuit and oil return circuit, also be provided with equalizing valve and electromagnetic valve; The situation of its oil circuit annexation and the locking principle and the above-mentioned first folding oil cylinder 3 roughly the same repeats no more here.Equally, in practical operation, can be that the upper mast control button comes control electromagnetic valve also, and then fold the duty of oil cylinder 10 through equalizing valve control second through terminal control.
One end of connecting rod 8 is connected at hinge J1 with upper mast 19 with locking nut 16 through bearing pin 15, and the other end of connecting rod 8 is connected at hinge J2 with an end of angular pole 9 through bearing pin 14, and the other end of angular pole 9 is connected at hinge J4 with middle mast 20 through bearing pin 13.
The cylinder body of the second folding oil cylinder 10 is fixed through baffle ring 11 and bolt 12 and middle mast, and the piston rod of the second folding oil cylinder 10 is connected at hinge J3 with an end of angular pole 9.
When rotary drilling rig need be cut to transportation, dismounting upper mast 19 and the bearing pin of middle mast 20 at hinge C were through the upper mast control button; Make the second folding oil cylinder 10 rod chamber oil-feeds, make the piston rod of the second folding oil cylinder 10 in cylinder barrel, withdraw, thus pulling angular pole 9; Through angular pole 9 pulling connecting rods 8, and then pass through connecting rod 8 pulling upper masts 19 and rotate, when upper mast 19 turns over 180 ° around hinge B; Be upper mast 19 when being in parallel position, stop the rotation of upper mast 19, through the upper mast control button locking second folding oil cylinder 10 with middle mast 20; With fixing upper mast 19, so far accomplish the folding of upper mast 19.
Here need to prove that the linkage between upper mast 19 and the middle mast 20 is that the position of articulating point of connecting rod, angular pole, the second folding oil cylinder 10 does not have concrete qualification, only need to guarantee that upper mast 19 can rotate 180 ° at least around hinge B and get final product.
When rotary drilling rig is worked, need upper mast 19 be opened.At this moment, through the upper mast control button, make the second folding oil cylinder 10 rodless cavity oil-feeds; Make the piston rod of the second folding oil cylinder 10 in cylinder barrel, stretch out; Thereby promote angular pole 9, make angular pole 9 drivening rods 8, and then rotate around hinge B through connecting rod 8 promotion upper masts 19; When upper mast 19 oppositely turns over 180 ° around hinge B is that upper mast 19 goes to when being straight line with middle mast 20; Through the folding oil cylinder 10 of upper mast control button locking second, the steady pin that hinge C is installed can be accomplished the butt joint of mast with fixing upper mast 19 and middle mast 20, the opening of realization upper mast 19.Here need to prove that said oppositely is relative upper mast 19 rotation direction when folding.
The fold mechanism of upper mast 19 adopts crank block to add double rocker mechanism and combines, the connecting elements simple shape of this link-type linkage, and manufacturing process is good, and is easy to the implementation space layout, and mutual restriction is few in the mechanism kinematic.
In above-mentioned folding process; Only need the artificial connection bearing pin of dismantling on ground; Be upper mast 19 and the be connected bearing pin of middle mast 20 at hinge C, all the other operations can realize the folding of mast installation through control catead control button and upper mast control button.In the whole operation process, personnel are time saving and energy saving, and do not have unsafe factor, can increase substantially transition efficient, reduce the service working time of rotary drilling rig, improve the operating efficiency of rotary drilling rig.
The present invention has realized the folding of catead through folding oil cylinder is set between catead and upper mast; Between upper mast and middle mast, linkage is set, has realized the folding of upper mast.Compared with prior art, mast installation provided by the present invention makes rotary drilling rig in transition and when transportation, after mast rises and falls voluntarily, can auto-folder catead and upper mast, and greatly saved manpower and take-down time, strengthened the safety of Job Operations.
Except above-mentioned mast installation, the present invention also provides a kind of rotary drilling rig that comprises above-mentioned mast installation, and the structure of these other each several parts of rotary drilling rig please refer to prior art, and this paper repeats no more.
More than rotary drilling rig provided by the present invention and mast installation thereof have been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (8)
1. a mast installation is used for rotary drilling rig, comprises catead, the upper mast that is connected with said catead and the middle mast that is connected with said upper mast, it is characterized in that, also comprises catead automatic folding mechanism and upper mast automatic folding mechanism;
Said catead automatic folding mechanism comprises that further being arranged on first between said catead and the said upper mast folds oil cylinder;
Said upper mast automatic folding mechanism further comprises connecting rod, angular pole and is connected in the second folding oil cylinder of said middle mast; One end of said angular pole is hinged with an end, the said second folding oil cylinder of said connecting rod respectively, and the other end of said angular pole and said middle mast are hinged, and the other end of said connecting rod and said upper mast are hinged.
2. mast installation as claimed in claim 1 is characterized in that, the rod chamber of said folding oil cylinder and rodless cavity are communicated with system pressure oil circuit and oil return circuit through equalizing valve respectively.
3. mast installation as claimed in claim 2 is characterized in that, is provided with the electromagnetic valve that the said folding oil cylinder of control stretches out or regains between said equalizing valve and system pressure oil circuit and the oil return circuit.
4. mast installation as claimed in claim 2 is characterized in that, the piston rod and the said catead of the said first folding oil cylinder are hinged, and the cylinder body and the said upper mast of the said first folding oil cylinder are hinged.
5. mast installation as claimed in claim 2 is characterized in that, the piston rod of the said second folding oil cylinder and an end of said angular pole are hinged, and the cylinder body and the said middle mast of the said second folding oil cylinder are hinged.
6. mast installation as claimed in claim 1 is characterized in that, on the large pulley gripper shoe rear portion of said catead and the rear wall plate of said upper mast limiting plate is set respectively, when said catead is in folded state, and the cooperation that offsets of said limiting plate.
7. mast installation as claimed in claim 6 is characterized in that, said limiting plate is a nylon sheet.
8. rotary drilling rig comprises and gets on the bus and be arranged at the mast installation on getting on the bus, and it is characterized in that said mast installation is specially each described mast installation of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100306751A CN102536127A (en) | 2012-02-10 | 2012-02-10 | Rotary drilling rig and mast device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100306751A CN102536127A (en) | 2012-02-10 | 2012-02-10 | Rotary drilling rig and mast device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102536127A true CN102536127A (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100306751A Pending CN102536127A (en) | 2012-02-10 | 2012-02-10 | Rotary drilling rig and mast device thereof |
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| CN (1) | CN102536127A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777128A (en) * | 2012-08-14 | 2012-11-14 | 连云港黄海机械股份有限公司 | Folding boring tower |
| CN103527104A (en) * | 2013-09-29 | 2014-01-22 | 北京市三一重机有限公司 | Mast folding and tensioning system, control method of mast folding and tensioning system and rotary drilling rig |
| CN104775755A (en) * | 2015-04-29 | 2015-07-15 | 北京南车时代机车车辆机械有限公司 | Truck-mounted drill machine and mast mechanism thereof |
| CN107227936A (en) * | 2017-08-02 | 2017-10-03 | 江苏泰信机械科技有限公司 | A kind of digging machine of general mast installation and the application general mast installation |
| CN107956429A (en) * | 2017-12-28 | 2018-04-24 | 三重工股份有限公司 | A kind of mast installation and rotary drilling rig |
| WO2022041549A1 (en) * | 2020-08-27 | 2022-03-03 | 上海中联重科桩工机械有限公司 | Rotary drilling rig integrated with winch pressurization and cylinder pressurization, and transportation method therefor |
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| CN202483466U (en) * | 2012-02-10 | 2012-10-10 | 北京南车时代机车车辆机械有限公司 | Rotary drilling rig and mast device thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777128A (en) * | 2012-08-14 | 2012-11-14 | 连云港黄海机械股份有限公司 | Folding boring tower |
| CN102777128B (en) * | 2012-08-14 | 2014-12-03 | 连云港黄海机械股份有限公司 | Folding boring tower |
| CN103527104A (en) * | 2013-09-29 | 2014-01-22 | 北京市三一重机有限公司 | Mast folding and tensioning system, control method of mast folding and tensioning system and rotary drilling rig |
| CN104775755A (en) * | 2015-04-29 | 2015-07-15 | 北京南车时代机车车辆机械有限公司 | Truck-mounted drill machine and mast mechanism thereof |
| CN107227936A (en) * | 2017-08-02 | 2017-10-03 | 江苏泰信机械科技有限公司 | A kind of digging machine of general mast installation and the application general mast installation |
| CN107227936B (en) * | 2017-08-02 | 2024-04-05 | 江苏泰信机械科技有限公司 | Universal mast device and excavator using same |
| CN107956429A (en) * | 2017-12-28 | 2018-04-24 | 三重工股份有限公司 | A kind of mast installation and rotary drilling rig |
| WO2022041549A1 (en) * | 2020-08-27 | 2022-03-03 | 上海中联重科桩工机械有限公司 | Rotary drilling rig integrated with winch pressurization and cylinder pressurization, and transportation method therefor |
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Application publication date: 20120704 |