CN102383796A - Rotating mechanism and excavating machine - Google Patents
Rotating mechanism and excavating machine Download PDFInfo
- Publication number
- CN102383796A CN102383796A CN2011102889721A CN201110288972A CN102383796A CN 102383796 A CN102383796 A CN 102383796A CN 2011102889721 A CN2011102889721 A CN 2011102889721A CN 201110288972 A CN201110288972 A CN 201110288972A CN 102383796 A CN102383796 A CN 102383796A
- Authority
- CN
- China
- Prior art keywords
- panoramic table
- oil cylinder
- piston rod
- slew gear
- driving mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 238000011161 development Methods 0.000 claims description 20
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims description 3
- 230000005641 tunneling Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 4
- 239000003245 coal Substances 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
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008439 repair process 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
Landscapes
- 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 constantly develops towards the direction of mechanization, automation, and the 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 through the rotation cutting of cutting units.
The revolution mode of the panoramic table that links to each other with cutting units at present, mainly adopts the plug-type and tooth bar hydraulic cylinder type in hydraulic cylinder both sides.The plug-type principle schematic in hydraulic cylinder both sides is seen Fig. 1; The rear end of two rotating hydraulic cylinders of symmetric arrangement links to each other with frame respectively; Front end links to each other 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).Plug-type flywheel moment transfer angle, hydraulic cylinder both sides is closely related, and therefore, moment variations is bigger in turning course; In addition, adopt the plug-type revolution mode of hydraulic cylinder that the spatial placement of development machine is had bigger limitation, cause the difficult arrangement such as fuel tank, operating desk of angling cylinder both sides.
(application number is 200810054738.0 to the Chinese patent document; 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 the tooth bar cylinder pushes to be contained on the panoramic table turns an angle, and its flywheel moment and corner are irrelevant, but this scheme needs development machine to possess bigger lateral arrangement space; Cause the laterally projecting development machine body of angling cylinder easily, make development machine inharmonious; In addition, this slewing equipment angling cylinder when work rotates with panoramic table, and the space that needs is very big, is unfavorable for the use on medium and small type development machine, installs and keep in repair also inconvenient.
Therefore, demand urgently improving, develop a kind of flywheel moment and change less and arrangement space and all less slew gear of activity space to existing scheme.
Summary of the invention
In view of this,, reduce the arrangement space and the activity space of slew gear simultaneously, on the one hand, the invention provides a kind of slew gear for the flywheel moment that makes slew gear keeps stable.
This slew gear is used to drive cutting units and rotates; It comprises body, is located at the panoramic table on the body and is used to drive the driving mechanism that said panoramic table rotates with respect to said body; It is characterized in that; Said driving mechanism arranges that with respect to said body-fixed said driving mechanism comprises the linear motion type drive division that is connected with said panoramic table, and said driving mechanism can be converted into the rectilinear motion of linear motion type drive division the gyration of panoramic table.
Preferably, said driving mechanism is fixedly installed on the said body.
Said driving mechanism is an oil cylinder, and said linear motion type drive division is the piston rod of this oil cylinder, and the piston rod of said oil cylinder can drive said panoramic table and rotate when elastic.
Preferably, said panoramic table is provided with elongated hole, and the piston rod of said oil cylinder is provided with push rod, and an end of said push rod stretches in the said elongated hole.
Preferably, the two ends of said piston rod respectively are provided with a cylinder body, and two cylinder bodies all are fixedly installed on the said body.
Preferably, said body is provided with the oil cylinder mount pad, and said oil cylinder mount pad is provided with slideway, and the piston rod of said oil cylinder is provided with the slide block that the shape with said slideway is complementary.
Preferably, be provided with spacer and oil leab between the inwall of said push rod and said elongated hole.
Preferably, the driving direction of said linear motion type drive division is vertical with the rotating shaft of said panoramic table.
Preferably, an end of said panoramic table is provided with the hinged seat that is used to install tunneling machine cutting portion, and said linear motion type drive division acts on the other end relative with said hinged seat on the said panoramic table.
On the other hand, the present invention also provides a kind of development machine, and this development machine has above-mentioned each described slew gear.
A kind of slew gear provided by the invention and development machine with this slew gear, through establishing a driving mechanism for the panoramic table of being located on the body, the linear motion type drive division of this driving mechanism can drive the relative body of panoramic table and rotate with respect to the body moving linearly time; Not only simple in structure, be convenient to arrange, also be convenient to dismounting and safeguard; And, also guaranteed the stable of flywheel moment, in a kind of preferred version because the distance between the rotating shaft of driving mechanism and panoramic table remains unchanged; Through on panoramic table, offering an elongated hole, and use the oil cylinder with twin-rotor housing as driving mechanism, the piston rod of this oil cylinder (linear motion type drive division) is provided with the push rod that stretches in the said elongated hole; When the piston rod of oil cylinder is elastic, can drives panoramic table and turn an angle back and forth, because the distance between the rotating shaft of piston rod (perhaps oil cylinder) and panoramic table remains unchanged; When piston rod promoted the panoramic table rotation, it is stable that flywheel moment keeps, in addition; Because the oil cylinder lateral arrangement only needs can to drive panoramic table with less size and turns an angle, and when work; Oil cylinder does not rotate with panoramic table; Piston rod only moves between two cylinder bodies, and promptly arrangement space and activity space are all less, help the layout of miscellaneous part on the body.Be convenient to the maintenance of slew gear simultaneously.
Description of drawings
Fig. 1 is the principle schematic of existing a kind of development machine slew gear;
Fig. 2 is the structural representation of a kind of slew gear that the embodiment of the invention provided;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the structural representation of panoramic table in the embodiment of the invention;
Fig. 5 is the structural representation of oil cylinder in the embodiment of the invention;
Fig. 6 is a main body structure sketch map in the embodiment of the invention;
Fig. 7 be among Fig. 3 A-A to sectional view.
The specific embodiment
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is done further detailed description below in conjunction with accompanying drawing and specific embodiment.Should be pointed out that description and the description order to concrete structure only is the explanation to specific embodiment in this part, should not be regarded as that protection scope of the present invention is had any restriction.
Please refer to Fig. 2 to Fig. 7; Wherein, Fig. 2 is the structural representation of a kind of slew gear that the embodiment of the invention provided, and Fig. 3 is the vertical view of Fig. 2; Fig. 4 is the structural representation of panoramic table in the embodiment of the invention; Fig. 5 is the structural representation of oil cylinder in the embodiment of the invention, and Fig. 6 is a main body structure sketch map in the embodiment of the invention, Fig. 7 be among Fig. 3 A-A to sectional view.Illustrate when combining Fig. 2 to Fig. 7 to be applied to development machine below simultaneously with this slew gear.
As shown in the figure, this slew gear comprises panoramic table 1, oil cylinder 2 and body 3, wherein:
Panoramic table 1 is installed on the body 3 through pivoting support, and panoramic table 1 body 3 relatively rotates; One end of panoramic table 1 is provided with the hinged seat that is used to install tunneling machine cutting portion, and the other end relative with this hinged seat on the panoramic table 1 offers elongated hole 11;
Oil cylinder 2 is fixedly mounted on the body 3, and the entire arrangement direction of oil cylinder 2 is vertical substantially with the rotating shaft of panoramic table 1 (being the axis of pivoting support), and oil cylinder 2 comprises that two are fixedly installed in the cylinder body 21 on the body 3 and are located at the piston rod 22 between the cylinder body 21; Body 3 is provided with oil cylinder mount pad 31, and oil cylinder mount pad 31 is provided with slideway (be arranged in parallel form by two side plates); Piston rod 22 is provided with the slide block 23 that the shape with this slideway is complementary; When piston rod 22 moves forward and backward; Slide block 23 can slidably reciprocate in slideway, and slide block 23 is provided with push rod 24 shaft parallel of panoramic table 1 (substantially with), and the upper end of this push rod 24 is stretched in the elongated hole 11.
In the course of the work; When the cutting units of development machine need rotate so that when broadening the scope of work; Can drive panoramic table through slide block 23 and push rod 24 through oil cylinder 2 piston rod 22 turns an angle; Because the distance between the rotating shaft of piston rod 22 (or oil cylinder 2) and panoramic table 1 remains unchanged, therefore, it is stable that whole process flywheel moment keeps.
Need to prove; In the foregoing description,, reduce the wearing and tearing of push rod 24 and elongated hole 11 inwalls in order to improve application life; Can between the inwall of push rod 24 and 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 the slideway, can on push rod 24 and slide block 23, corresponding oil leab 13 be set.
Need to prove that in the foregoing description, elongated hole 11 is arranged on the other end relative with hinged seat on the panoramic table 1; Stressed effect is better; But in other embodiments, also other positions of panoramic table 1 can as required elongated hole 11 be arranged on, as long as can realize the rotation of panoramic table 1.
Need to prove that in the foregoing description, panoramic table 1 acts on oil cylinder 2 (piston rod 22) through elongated hole 11 mutually; But can also have an effect through other modes and oil cylinder 2, in other embodiments, as long as can realize the rotation of panoramic table 1; For example; Can on the sidewall of panoramic table 1, weld a lasso or microscler cavernous structure, and the push rod on the piston rod is stretched in this lasso or the microscler cavernous structure, so also can realize the rotation of panoramic table.
Need to prove; In the foregoing description, slide block 23 is located on (for example being welded in) piston rod 22, and push rod 24 is located on (for example being welded in) slide block 22; But under other situations; Can also as required slide block 23 and push rod 24 be located at respectively on (for example being welded in) piston rod, piston rod 22 be slided along the slideway on the mount pad 31, and drive the rotation of panoramic table 1 through push rod 24.
Need to prove, in the foregoing description, in order to reach better stressed effect; The arranged direction of oil cylinder 2 (pushing direction) is vertical with the rotating shaft of panoramic table 1; But in the manufacturing or installation process of reality, deviation to some extent, but as long as do not hinder the realization of corresponding function.
Need to prove; In the foregoing description, for the activity space that reaches better stressed effect and limit self, oil cylinder 2 has two cylinder bodies 21 that are fixedly installed on the body 1; But under other situations, can also adopt the oil cylinder that only has single cylinder body as required.
Need to prove, in the foregoing description, adopt oil cylinder 2 as driving mechanism; Correspondingly, its piston rod is the linear motion type drive division, and it is higher to carry out efficient; But in other embodiments, can also use the driving mechanism of other types as required, and be not limited to hydraulic-driven; For example, can also be that electricity drives the formula linear actuator element, perhaps pneumatic type linear actuator element (like cylinder).
Need to prove that in the foregoing description, oil cylinder 2 is fixedly installed on the body 3, but under some other situation, can also as required oil cylinder 2 be fixedly installed on the parts that are connected with said body-fixed.
Need to prove, in the foregoing description, can also make the rotational angle of panoramic table 1 reach predetermined scope of design through optimizing the position that is provided with of elongated hole 11 and oil cylinder 2.
A kind of slew gear that is used for development machine that the embodiment of the invention provides through on panoramic table, offering an elongated hole, and uses 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 said elongated hole, when the piston rod of oil cylinder is elastic, can drives the panoramic table front and back and turn an angle; Because the distance between the rotating shaft of piston rod (perhaps oil cylinder) and panoramic table remains unchanged, when piston rod promoted the panoramic table rotation, it is stable that flywheel moment keeps; In addition, because the oil cylinder lateral arrangement only needs can to drive panoramic table with less size and turns an angle; And when work, oil cylinder does not rotate with panoramic table, and piston rod only moves between two cylinder bodies; Be that arrangement space and activity space are all less, help the layout of miscellaneous part on the body.
The embodiment of the 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 the corresponding techniques effect; Its practical implementation process is similar to the above embodiments, does not give unnecessary details now.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. slew gear; Being used to drive cutting units rotates; It comprises body, is located at the panoramic table on the body and is used to drive said panoramic table with respect to the driving mechanism that said body rotates, it is characterized in that said driving mechanism is arranged with respect to said body-fixed; Said driving mechanism comprises the linear motion type drive division that is connected with said panoramic table, and said driving mechanism can be converted into the rectilinear motion of linear motion type drive division the gyration of panoramic table.
2. slew gear as claimed in claim 1 is characterized in that said driving mechanism is fixedly installed on the said body.
3. slew gear as claimed in claim 2 is characterized in that, said driving mechanism is an oil cylinder, and said linear motion type drive division is the piston rod of this oil cylinder, and said piston rod can drive said panoramic table and rotate when elastic.
4. slew gear as claimed in claim 3 is characterized in that said panoramic table is provided with elongated hole, and the piston rod of said oil cylinder is provided with push rod, and an end of said push rod stretches in the said elongated hole.
5. slew gear as claimed in claim 4 is characterized in that, the two ends of said piston rod respectively are provided with a cylinder body, and two cylinder bodies all are fixedly installed on the said body.
6. like each described slew gear of claim 3 to 5, it is characterized in that said body is provided with the oil cylinder mount pad, said oil cylinder mount pad is provided with slideway, and the piston rod of said oil cylinder is provided with the slide block that the shape with said slideway is complementary.
7. like claim 4 or 5 described slew gears, it is characterized in that, be provided with spacer between the inwall of said push rod and said elongated hole.
8. like each described slew gear of claim 1 to 5, it is characterized in that the driving direction of said linear motion type drive division is vertical with the rotating shaft of said panoramic table.
9. like each described slew gear of claim 1 to 5; It is characterized in that; One end of said panoramic table is provided with the hinged seat that is used to install tunneling machine cutting portion, and said linear motion type drive division acts on the other end relative with said hinged seat on the said panoramic table.
10. a development machine is characterized in that, institute's digging implement requirement 1 to 9 each described slew gear 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 true CN102383796A (en) | 2012-03-21 |
| CN102383796B CN102383796B (en) | 2014-06-18 |
Family
ID=45823582
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) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013044620A1 (en) * | 2011-09-26 | 2013-04-04 | 三一重型装备有限公司 | Slewing mechanism and tunneling machine |
| CN103061758A (en) * | 2012-12-25 | 2013-04-24 | 三一重型装备有限公司 | Angling cylinder mounting seat, body support 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013044620A1 (en) * | 2011-09-26 | 2013-04-04 | 三一重型装备有限公司 | Slewing mechanism and tunneling machine |
| CN103061758A (en) * | 2012-12-25 | 2013-04-24 | 三一重型装备有限公司 | Angling cylinder mounting seat, body support and engineering machinery |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013044620A1 (en) | 2013-04-04 |
| CN102383796B (en) | 2014-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100564798C (en) | Tunnelling machine | |
| CN204591131U (en) | Direct pusher down-the-hole drill | |
| CN102383796B (en) | Rotating mechanism and excavating machine | |
| CN200955392Y (en) | Lane digger | |
| CN204552603U (en) | Light-duty all-hydraulic gas drainage under suction multifunctional drill unit head | |
| CN204591266U (en) | The telescopic cutting units of a kind of development machine | |
| CN203905943U (en) | Reciprocating impact mining machine with rotary rocker arm | |
| CN204591130U (en) | Be provided with the down-the-hole drill advancing guide rod | |
| CN209195254U (en) | Drill bit assembly connection structure and drilling device | |
| CN201588248U (en) | Hydraulic moving mechanism for rear excavators | |
| CN202810650U (en) | Crawler-type double-arm full-hydraulic drilling rig | |
| CN203321522U (en) | Crawler-type universal tunnel milling and excavating machine | |
| CN209444281U (en) | Drill bit assembly and hydraulic track churn | |
| CN202673142U (en) | Coal-mine omnibearing deep-hole drilling carriage | |
| CN202202816U (en) | All-directional rotary drill arm device | |
| CN104389597A (en) | Cutting mechanism | |
| CN201433766Y (en) | Novel side supporting device of mechanical boring machine | |
| CN202690046U (en) | Multifunctional coal loader | |
| CN207363647U (en) | Planetary ring gear type non-beam oil pump | |
| CN205078177U (en) | Drill boom motion of crawler -type hydrodrill | |
| CN103132923B (en) | A kind of high blast integral type down-the-hole drill | |
| CN212249830U (en) | A mobile device for colliery rig | |
| CN201013235Y (en) | Multifunctional rock drill | |
| CN221798560U (en) | Loader facilitating maintenance | |
| CN2723394Y (en) | Rotary mechanism for tunnel tunnelling loading machine work device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
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. |