CN102383796B - Rotating mechanism and excavating machine - Google Patents
Rotating mechanism and excavating machine Download PDFInfo
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- CN102383796B CN102383796B CN201110288972.1A CN201110288972A CN102383796B CN 102383796 B CN102383796 B CN 102383796B CN 201110288972 A CN201110288972 A CN 201110288972A CN 102383796 B CN102383796 B CN 102383796B
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- panoramic table
- oil cylinder
- piston rod
- driving mechanism
- slew gear
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- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 238000011161 development Methods 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1086—Drives or transmissions specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
- E21D9/1013—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
- Actuator (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to the technical field of engineering machines, and discloses a rotating mechanism and an excavating machine. The rotating mechanism is used for driving a cutting part to rotate, and comprises a body, a rotating table arranged on the body, and a driving mechanism used for driving the rotating table to rotate, wherein the driving mechanism is fixedly arranged relative to the body, and comprises a linear movement type driving part connected with the rotating table, and the driving mechanism can convert the linear movement of the linear movement type driving part into the rotating movement of the rotating table. According to the rotating mechanism provided by the embodiment of the invention, an oil cylinder with double cylinder bodies is used as the driving mechanism, the rotating table is driven to rotate when the piston rod of the oil cylinder extends and retracts front and back; as the distance between the piston rod and the rotating shaft of the rotating table remains unchanged, the rotating torque remains stable; in addition, as the oil cylinder is transversally arranged, only through the smaller dimension, the rotating table can be driven to rotate; and during the working, the oil cylinder can not rotate along with the rotating table, the piston rod only moves between the cylinder bodies, in this way, the arrangement of other parts on the body is facilitated.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of slew gear.The invention still further relates to a kind of development machine with above-mentioned slew gear.
Background technology
Along with the fast development of economic construction, coal industry is constantly towards the future development of mechanization, automation, and comprehensive mechanization extractive equipment is applied among the coal production of various geological conditionss more and more widely.In the operation of mechanized extraction, development machine is one of main extractive equipment, realizes the digging in tunnel by the circumgyration incision of cutting units.
The revolution mode of the panoramic table being connected with cutting units at present, mainly adopts hydraulic cylinder two side push-pull types and tooth bar hydraulic cylinder type.The principle schematic of hydraulic cylinder two side push-pull types is shown in Fig. 1, the rear end of two rotating hydraulic cylinders that are arranged symmetrically with is connected with frame respectively, front end is connected with the both sides of panoramic table respectively, and in the course of the work, hydraulic cylinder one pushes away the moving panoramic table of a drawstring turn an angle (θ angle).The flywheel moment transfer angle of hydraulic cylinder two side push-pull types is closely related, and therefore, in turning course, moment variations is larger; In addition, adopt the plug-type revolution mode of hydraulic cylinder to be furnished with larger limitation to the space of development machine, cause the difficult arrangement such as fuel tank, operating desk of angling cylinder both sides.
(application number is 200810054738.0 to Chinese patent literature, publication number is 101251011) a kind of tooth bar hydraulic cylinder type slewing equipment disclosed, the gear driven panoramic table that this slewing equipment utilizes tooth bar Hydraulic Cylinder to be contained on panoramic table turns an angle, its flywheel moment and corner are irrelevant, but this scheme needs the standby larger lateral arrangement space of digging implement, easily cause the laterally projecting development machine body of angling cylinder, make development machine inharmonious; In addition, this slewing equipment angling cylinder in the time of work rotates with panoramic table, and the space needing is very large, is unfavorable for the use on medium and small type development machine, installs and also inconvenience of maintenance.
Therefore, urgently improve for existing scheme, develop a kind of flywheel moment and change less and arrangement space and all less slew gear of activity space.
Summary of the invention
In view of this, in order to make the flywheel moment of slew gear keep stable, reduce arrangement space and the activity space of slew gear simultaneously, on the one hand, the invention provides a kind of slew gear.
This slew gear is used for driving cutting units to rotate, it comprises body, is located at the panoramic table on body and the driving mechanism for driving described panoramic table to rotate with respect to described body, it is characterized in that, described driving mechanism is with respect to described body fixed and arranged, described driving mechanism comprises the linear motion type drive division being connected with described panoramic table, and described driving mechanism can be converted into the rectilinear motion of linear motion type drive division the gyration of panoramic table.
Preferably, described driving mechanism is fixedly installed on described body.
Described driving mechanism is oil cylinder, the piston rod that described linear motion type drive division is this oil cylinder, and the piston rod of described oil cylinder can drive described panoramic table to rotate when elastic.
Preferably, described panoramic table is provided with elongated hole, and the piston rod of described oil cylinder is provided with push rod, and one end of described push rod is stretched in described elongated hole.
Preferably, the two ends of described piston rod are respectively provided with a cylinder body, and two cylinder bodies are all fixedly installed on described body.
Preferably, described body is provided with cylinder installation seat, and described cylinder installation seat is provided with slideway, and the piston rod of described oil cylinder is provided with the slide block matching with the shape of described slideway.
Preferably, between described push rod and the inwall of described elongated hole, be provided with spacer and oil leab.
Preferably, the driving direction of described linear motion type drive division and the rotating shaft of described panoramic table are vertical.
Preferably, one end of described panoramic table is provided with the hinged seat for cutting part of heading machine is installed, and described linear motion type drive division acts on the other end relative with described hinged seat on described panoramic table.
On the other hand, the present invention also provides a kind of development machine, and this development machine has the slew gear described in above-mentioned any one.
A kind of slew gear provided by the invention and there is the development machine of this slew gear, by establishing a driving mechanism for the panoramic table of being located on body, the linear motion type drive division of this driving mechanism can drive panoramic table to rotate relative to body when with respect to body moving linearly, not only simple in structure, be convenient to arrange, also being convenient to dismounting safeguards, and because the distance between driving mechanism and the rotating shaft of panoramic table remains unchanged, also guaranteed the stable of flywheel moment, in a kind of preferred version, by offer an elongated hole on panoramic table, and use the oil cylinder with twin-rotor housing as driving mechanism, the piston rod (linear motion type drive division) of this oil cylinder is provided with the push rod stretching in described elongated hole, in the time that the piston rod of oil cylinder is elastic, can drive panoramic table to turn an angle back and forth, because the distance between piston rod (or oil cylinder) and the rotating shaft of panoramic table remains unchanged, in the time that piston rod promotes panoramic table rotation, it is stable that flywheel moment keeps, in addition, due to oil cylinder lateral arrangement, only need can drive panoramic table to turn an angle by less size, and in the time of work, oil cylinder does not rotate with panoramic table, piston rod only moves between two cylinder bodies, be that arrangement space and activity space are all less, be conducive to the layout of miscellaneous part on body.Be convenient to the maintenance of slew gear simultaneously.
Accompanying drawing explanation
Fig. 1 is the principle schematic of existing a kind of development machine slew gear;
The structural representation of a kind of slew gear that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the structural representation of panoramic table in the embodiment of the present invention;
Fig. 5 is the structural representation of oil cylinder in the embodiment of the present invention;
Fig. 6 is the structural representation of body in the embodiment of the present invention;
Fig. 7 be in Fig. 3 A-A to sectional view.
The specific embodiment
In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.It should be pointed out that in this part, the description to concrete structure and description order is only the explanation to specific embodiment, should not be considered as that protection scope of the present invention is had to any restriction.
Please refer to Fig. 2 to Fig. 7, wherein, the structural representation of a kind of slew gear that Fig. 2 provides for the embodiment of the present invention, Fig. 3 is the top view of Fig. 2, Fig. 4 is the structural representation of panoramic table in the embodiment of the present invention, Fig. 5 is the structural representation of oil cylinder in the embodiment of the present invention, and Fig. 6 is the structural representation of body in the embodiment of the present invention, Fig. 7 be in Fig. 3 A-A to sectional view.Explanation for example simultaneously while being applied to development machine in conjunction with Fig. 2 to Fig. 7 with this slew gear below.
As shown in the figure, this slew gear comprises panoramic table 1, oil cylinder 2 and body 3, wherein:
Panoramic table 1 is arranged on body 3 by pivoting support, and panoramic table 1 can rotate relative to body 3; One end of panoramic table 1 is provided with the hinged seat for cutting part of heading machine is installed, and on panoramic table 1, the other end relative with this hinged seat offers elongated hole 11;
In the course of the work, in the time that the cutting units of development machine need to rotate to broaden the scope of work, can drive panoramic table to turn an angle by slide block 23 and push rod 24 by oil cylinder 2 piston rod 22, because the distance between piston rod 22 (or oil cylinder 2) and the rotating shaft of panoramic table 1 remains unchanged, therefore, whole process flywheel moment keeps stable.
It should be noted that, in above-described embodiment, in order to improve application life, reduce the wearing and tearing of push rod 24 and elongated hole 11 inwalls, can between push rod 24 and the inwall of elongated hole 11, add a spacer 12, further, in order to improve the lubricant effect between push rod 24 and spacer 12 or elongated hole 11 inwalls and spacer and slide block 23 and slideway, corresponding oil leab 13 can be set on push rod 24 and slide block 23.
It should be noted that, in above-described embodiment, elongated hole 11 is arranged on the other end relative with hinged seat on panoramic table 1, stressed effect is better, but in other embodiments, also can as required elongated hole 11 be arranged on to other positions of panoramic table 1, as long as can realize the rotation of panoramic table 1.
It should be noted that, in above-described embodiment, panoramic table 1 acts on oil cylinder 2 (piston rod 22) mutually by elongated hole 11, but can also have an effect with oil cylinder 2 by other means, as long as can realize the rotation of panoramic table 1 in other embodiments,, for example, can on the sidewall of panoramic table 1, weld a lasso or microscler cavernous structure, and the push rod on piston rod is stretched in this lasso or microscler cavernous structure, so also can realize the rotation of panoramic table.
It should be noted that, in above-described embodiment, slide block 23 is for example located at, on (being welded in) piston rod 22, push rod 24 is for example located at, on (being welded in) slide block 22, but under other situations, can also as required slide block 23 and push rod 24 be for example located at respectively, on (being welded in) piston rod, so also can make piston rod 22 slide along the slideway on mount pad 31, and drive the rotation of panoramic table 1 by push rod 24.
It should be noted that, in above-described embodiment, in order to reach better stressed effect, the arranged direction (pushing direction) of oil cylinder 2 is vertical with the rotating shaft of panoramic table 1, but in actual manufacture or installation process, deviation to some extent, but as long as do not hinder the realization of corresponding function.
It should be noted that, in above-described embodiment, in order to reach better stressed effect and to limit the activity space of self, oil cylinder 2 has two cylinder bodies 21 that are fixedly installed on body 1, but under other situations, can also adopt as required the oil cylinder only with single cylinder body.
It should be noted that, in above-described embodiment, adopt oil cylinder 2 as driving mechanism, correspondingly, its piston rod is linear motion type drive division, execution efficiency is higher, but in other embodiments, can also use as required the driving mechanism of other types, and be not limited to hydraulic-driven, for example, can also be that electricity drives formula linear actuator element, or pneumatic type linear actuator element (as cylinder).
It should be noted that, in above-described embodiment, oil cylinder 2 is fixedly installed on body 3, but under some other situation, can also as required oil cylinder 2 be fixedly installed on the parts that are fixedly connected with described body.
It should be noted that, in above-described embodiment, can also, by optimizing the setting position of elongated hole 11 and oil cylinder 2, make the rotational angle of panoramic table 1 reach predetermined scope of design.
A kind of slew gear for development machine that the embodiment of the present invention provides, by offer an elongated hole on panoramic table, and use the oil cylinder with twin-rotor housing as driving mechanism, the piston rod of this oil cylinder is provided with the push rod that stretches into described elongated hole, in the time that the piston rod of oil cylinder is elastic, before and after can driving panoramic table, turn an angle, because the distance between piston rod (or oil cylinder) and the rotating shaft of panoramic table remains unchanged, in the time that piston rod promotes panoramic table rotation, it is stable that flywheel moment keeps, in addition, due to oil cylinder lateral arrangement, only need can drive panoramic table to turn an angle by less size, and in the time of work, oil cylinder does not rotate with panoramic table, piston rod only moves between two cylinder bodies, be that arrangement space and activity space are all less, be conducive to the layout of miscellaneous part on body.
The embodiment of the present invention also provides a kind of development machine, this development machine has above-mentioned slew gear, because above-mentioned slew gear has above-mentioned technique effect, therefore, the development machine with this slew gear also should possess corresponding technique effect, its specific implementation process is similar to the above embodiments, does not hereby repeat.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a slew gear, be used for driving cutting units to rotate, it comprises body, is located at the panoramic table on body and the driving mechanism for driving described panoramic table to rotate with respect to described body, it is characterized in that, described driving mechanism is with respect to described body fixed and arranged, described driving mechanism comprises the linear motion type drive division being connected with described panoramic table, and described driving mechanism can be converted into the rectilinear motion of linear motion type drive division the gyration of panoramic table; Described driving mechanism is oil cylinder, the piston rod that described linear motion type drive division is this oil cylinder, and described piston rod can drive described panoramic table to rotate when elastic; Described panoramic table is provided with elongated hole, and the piston rod of described oil cylinder is provided with push rod, and one end of described push rod is stretched in described elongated hole.
2. slew gear as claimed in claim 1, is characterized in that, described driving mechanism is fixedly installed on described body.
3. slew gear as claimed in claim 1, is characterized in that, the two ends of described piston rod are respectively provided with a cylinder body, and two cylinder bodies are all fixedly installed on described body.
4. the slew gear as described in claims 1 to 3 any one, is characterized in that, described body is provided with cylinder installation seat, and described cylinder installation seat is provided with slideway, and the piston rod of described oil cylinder is provided with the slide block matching with the shape of described slideway.
5. the slew gear as described in claims 1 to 3 any one, is characterized in that, between described push rod and the inwall of described elongated hole, is provided with spacer.
6. the slew gear as described in claims 1 to 3 any one, is characterized in that, the driving direction of described linear motion type drive division is vertical with the rotating shaft of described panoramic table.
7. the slew gear as described in claims 1 to 3 any one, it is characterized in that, one end of described panoramic table is provided with the hinged seat for cutting part of heading machine is installed, and described linear motion type drive division acts on the other end relative with described hinged seat on described panoramic table.
8. a development machine, is characterized in that, institute's digging implement slew gear described in requirement 1 to 7 any one of having the right.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110288972.1A CN102383796B (en) | 2011-09-26 | 2011-09-26 | Rotating mechanism and excavating machine |
| PCT/CN2012/073760 WO2013044620A1 (en) | 2011-09-26 | 2012-04-11 | Slewing mechanism and tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110288972.1A CN102383796B (en) | 2011-09-26 | 2011-09-26 | Rotating mechanism and excavating machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102383796A CN102383796A (en) | 2012-03-21 |
| CN102383796B true CN102383796B (en) | 2014-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110288972.1A Active CN102383796B (en) | 2011-09-26 | 2011-09-26 | Rotating mechanism and excavating machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102383796B (en) |
| WO (1) | WO2013044620A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383796B (en) * | 2011-09-26 | 2014-06-18 | 三一重型装备有限公司 | Rotating mechanism and excavating machine |
| CN103061758B (en) * | 2012-12-25 | 2015-10-28 | 三一重型装备有限公司 | Angling cylinder mount pad, body frame and engineering machinery |
| CN103835716A (en) * | 2014-02-28 | 2014-06-04 | 长治市永华机械有限公司 | Multistep gradient rotating mechanism |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3410113C1 (en) * | 1984-03-20 | 1985-01-24 | Hochtief Ag Vorm. Gebr. Helfmann, 4300 Essen | Bearing arrangement for a drilling head of a tunnel boring machine that is adjustable perpendicular to the driving axis |
| EP0221886A1 (en) * | 1985-11-04 | 1987-05-13 | VOEST-ALPINE Bergtechnik Gesellschaft m.b.H | Method for controlling the movement of a three-dimensionally pivotable shearer arm of a partial section shearing machine, and device for carrying out the method |
| US5779321A (en) * | 1996-11-12 | 1998-07-14 | Arch Technology Corporation | Swing tail assembly for miner |
| CN201007210Y (en) * | 2006-07-26 | 2008-01-16 | 淮南煤矿机械有限公司 | Front-located rack bar oil cylinder panoramic tables of cantilevered mechanical boring machine |
| CN101251011A (en) * | 2008-04-01 | 2008-08-27 | 煤炭科学研究总院太原研究院 | Rack-and-pinion type slewing equipment of coal-excavating development machine |
| CN201155327Y (en) * | 2007-09-28 | 2008-11-26 | 新乡市盛森工贸有限公司 | Development machine |
| CN201427245Y (en) * | 2009-06-30 | 2010-03-24 | 北京北方红旗精密机械制造有限公司 | Hydraulic swivel table with double racks |
| CN201460235U (en) * | 2008-12-19 | 2010-05-12 | 三一重工股份有限公司 | Rotary mechanism for engineering machinery, concrete pump truck and material distributor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005256353A (en) * | 2004-03-10 | 2005-09-22 | Hitachi Constr Mach Co Ltd | Cylinder arranging structure of working machine |
| JP2007091042A (en) * | 2005-09-29 | 2007-04-12 | Kubota Corp | Wheel type work machine |
| CN201011304Y (en) * | 2006-12-15 | 2008-01-23 | 枣庄矿业(集团)有限责任公司 | Swivelling mechanism of coal mining machine |
| JP4623203B2 (en) * | 2008-11-11 | 2011-02-02 | コベルコ建機株式会社 | Construction machine frame structure |
| CN102383796B (en) * | 2011-09-26 | 2014-06-18 | 三一重型装备有限公司 | Rotating mechanism and excavating machine |
-
2011
- 2011-09-26 CN CN201110288972.1A patent/CN102383796B/en active Active
-
2012
- 2012-04-11 WO PCT/CN2012/073760 patent/WO2013044620A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3410113C1 (en) * | 1984-03-20 | 1985-01-24 | Hochtief Ag Vorm. Gebr. Helfmann, 4300 Essen | Bearing arrangement for a drilling head of a tunnel boring machine that is adjustable perpendicular to the driving axis |
| EP0221886A1 (en) * | 1985-11-04 | 1987-05-13 | VOEST-ALPINE Bergtechnik Gesellschaft m.b.H | Method for controlling the movement of a three-dimensionally pivotable shearer arm of a partial section shearing machine, and device for carrying out the method |
| US5779321A (en) * | 1996-11-12 | 1998-07-14 | Arch Technology Corporation | Swing tail assembly for miner |
| CN201007210Y (en) * | 2006-07-26 | 2008-01-16 | 淮南煤矿机械有限公司 | Front-located rack bar oil cylinder panoramic tables of cantilevered mechanical boring machine |
| CN201155327Y (en) * | 2007-09-28 | 2008-11-26 | 新乡市盛森工贸有限公司 | Development machine |
| CN101251011A (en) * | 2008-04-01 | 2008-08-27 | 煤炭科学研究总院太原研究院 | Rack-and-pinion type slewing equipment of coal-excavating development machine |
| CN201460235U (en) * | 2008-12-19 | 2010-05-12 | 三一重工股份有限公司 | Rotary mechanism for engineering machinery, concrete pump truck and material distributor |
| CN201427245Y (en) * | 2009-06-30 | 2010-03-24 | 北京北方红旗精密机械制造有限公司 | Hydraulic swivel table with double racks |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013044620A1 (en) | 2013-04-04 |
| CN102383796A (en) | 2012-03-21 |
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Effective date of registration: 20171225 Address after: 413000 Yiyang high tech Zone in the eastern part of the New District of integrated services building, room 512, Hunan Co-patentee after: Sany Heavy Equipment Co.,Ltd. Patentee after: Yiyang science and Technology Achievement Transformation Service Center Address before: Yansai Lake Street 110027 economic and Technological Development Zone Liaoning city Shenyang province No. 31 Patentee before: Sany Heavy Equipment Co.,Ltd. |
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