CN113460594B - Material machine with rotary auxiliary support - Google Patents
Material machine with rotary auxiliary support Download PDFInfo
- Publication number
- CN113460594B CN113460594B CN202010236376.8A CN202010236376A CN113460594B CN 113460594 B CN113460594 B CN 113460594B CN 202010236376 A CN202010236376 A CN 202010236376A CN 113460594 B CN113460594 B CN 113460594B
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- Prior art keywords
- rotary
- supporting
- support
- slewing
- rotary platform
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G29/00—Rotary conveyors, e.g. rotating discs, arms, star-wheels or cones
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention relates to a material machine with a rotary auxiliary support, belonging to the technical field of material machine equipment; the invention comprises an upper structural part, a rotary platform, a rotary bearing, a gantry, a traveling wheel set, an annular track arranged on the upper surface of the gantry and a supporting roller assembly arranged between the rotary platform and the annular track; the supporting roll component comprises a fixed support, a swinging support, a first pin shaft, a supporting roll fixing seat, a second pin shaft and a supporting roll; the design of the annular track is added on the feeder gantry, so that the support rigidity of the feeder gantry is increased, and the stress bearing of the slewing bearing is reduced; because the upper structural part of the material machine changes along with the pitching horizontal angle, when the material is taken, the weight of the upper structural part caused by the belt material is increased, the integral gravity center of the upper structural part moves forwards, the unbalance loading of the slewing bearing is increased, the stress at the front end of the slewing bearing can be effectively reduced, the unbalance loading of the slewing bearing is reduced, and the action life of the slewing bearing is improved.
Description
Technical Field
The invention relates to a material machine with a rotary auxiliary support, and belongs to the technical field of material machine equipment.
Background
The conventional rotary bearing of the reclaimer in the coal yard is an LYC rockshaft product, adopts a three-row roller type rotary bearing structure, has the service life of less than 1 year in six years after being put into use, and is changed every year.
The three-row cylindrical roller combined turntable bearing is divided into the following parts according to the distribution position of the gear and the gear, and the gear is provided with the following teeth: the bulk material yard has various structures such as non-tooth type, external tooth type or internal tooth type, and is widely applied to large-scale rotating devices such as hoisting machinery, mining machinery, construction machinery, harbor machinery, ship machinery and the like, and bulk materials are more widely piled and taken by adopting a material machine. In the use process of a slewing bearing of a material machine, due to the material accumulation of a cantilever, unbalance loads of the slewing bearing in different degrees can be caused, and the size of the unbalance load in the use process is difficult to accurately calculate in the design process. Generally, after a material machine is installed, the gravity center position of an upper structural part of the material machine is determined by a method of measuring the front end grounding pressure of a cantilever in a weighing mode, the balance weight of the upper structural part of the material machine is adjusted according to the gravity center position, and the unbalance loading condition of a slewing bearing is judged.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a material machine that reduces the eccentric load of a slewing bearing caused by the eccentricity of an upper structural member of the material machine and improves the service life of the slewing bearing of the material machine.
The technical scheme adopted by the invention is as follows: the material machine with the rotary auxiliary support is characterized by comprising an upper structural part, a rotary platform, a rotary bearing, a gantry and a traveling wheel set, wherein the upper structural part is arranged on the upper part of the rotary platform and connected through a pin shaft, the rotary platform is arranged on the upper part of the rotary bearing, the gantry is arranged on the lower part of the rotary bearing, a track is laid below the gantry, the traveling wheel set is arranged on the track and is provided with supporting legs for supporting the gantry, the material machine also comprises an annular track arranged on the upper surface of the gantry and a supporting roller assembly arranged between the rotary platform and the annular track, and the annular track and the rotary bearing are concentric; the supporting roll component comprises a fixed support, a swinging support, a first pin shaft, a supporting roll fixing seat, a second pin shaft and a supporting roll;
the fixed support is fixedly arranged right below the rotary platform, the swinging support is embedded into the fixed support and connected through the first pin shaft, the swinging support swings left and right around the first pin shaft, the axial lead of the first pin shaft is perpendicular to the rotary central line of the rotary platform, the two supporting roll fixing seats are respectively arranged at two ends of the lower part of the swinging support, and the two supporting rolls are respectively arranged in the supporting roll fixing seats through the two second pin shafts; the shaft axes of the two second pin shafts are arranged in a non-parallel mode, a certain angle is formed between the shaft axes of the two second pin shafts, the two second pin shafts intersect on the rotation center line of the rotary platform, and the supporting rollers are in contact with the upper surface of the annular track.
The scheme is further improved in that: the supporting roller assembly plays a role of auxiliary support for the upper structural part through the annular track, and the supporting roller assembly rotates along with the rotating platform.
The scheme is further improved in that: the upper structure part does pitching motion relative to the rotary platform, and the rotary platform does rotary motion relative to the gantry through the rotary bearing.
The scheme is further improved in that: and a bucket wheel is arranged at the foremost end of the upper structural part.
The scheme is further improved in that: the supporting roller assembly faces the bucket wheel direction, and the fixed support faces the bucket wheel direction.
The scheme is further improved in that: the walking wheel assembly is installed on the track, and the walking wheel assembly drives the whole material machine to do reciprocating linear motion along the track.
The scheme is further improved in that: the supporting roller assemblies are divided into two groups, and the supporting roller assemblies are symmetrically arranged right below the rotary platform in a left-right separation mode.
The scheme is further improved in that: when the rotary platform drives the upper structural part to rotate around the rotary bearing, the supporting roller assembly simultaneously rotates around the rotary bearing to rotate.
The invention has the beneficial effects that: the design of the annular track is added on the feeder gantry, so that the support rigidity of the feeder gantry is increased, and the stress bearing of the slewing bearing is reduced; because the upper structural part of the material machine changes along with the pitching horizontal angle, when the material is taken, the weight of the upper structural part caused by the belt material is increased, the integral gravity center of the upper structural part moves forwards, the unbalance loading of the slewing bearing is increased, the stress at the front end of the slewing bearing can be effectively reduced, the unbalance loading of the slewing bearing is reduced, and the action life of the slewing bearing is improved.
Drawings
FIG. 1 is a schematic structural diagram of a material machine with a rotary auxiliary support according to an embodiment of the present invention;
FIG. 2 is an enlarged view of the area A of FIG. 1;
FIG. 3 is a schematic structural view of a support roller assembly of an embodiment of the present invention;
the examples in the figure are: the device comprises an upper structural part 1, a bucket wheel 101, a rotary platform 2, a rotary bearing 3, a gantry 4, a traveling wheel set 5, a track 6, a supporting roller assembly 7, a fixed support 701, a swing support 702, a first pin shaft 703, a supporting roller fixing seat 704, a second pin shaft 705, a supporting roller 706 and an annular track 8.
Detailed Description
Through the description of the embodiments, the detailed implementation of the present invention, such as the mutual positions and connection relationships between the related parts, the functions and operating principles of the parts, the operation and using method, etc., will be further described in detail to help those skilled in the art to more completely, accurately and deeply understand the concept and technical solution of the present invention.
Examples
As shown in fig. 1 to 2, a material machine with a rotary auxiliary support comprises an upper structural member 1, a rotary platform 2, a rotary bearing 3, a gantry 4 and a walking wheel set,
the upper structural part 1 is installed on the upper portion of the rotary platform 2 and connected through a pin shaft, the upper structural part 1 does pitching motion relative to the rotary platform 2, the upper structural part 1 is a basic structural part of the coal material machine, and the foremost end of the upper structural part 1 is provided with a bucket wheel 101.
The rotary platform 2 is arranged on the upper part of the rotary bearing 3, and the rotary platform 2 does rotary motion relative to the gantry 4 through the rotary bearing 3. The gantry 4 is arranged at the lower part of the slewing bearing 3, the walking wheel set 5 is positioned at the lower part of the gantry 4 and is provided with supporting legs for supporting the gantry 4, the walking wheel set 5 is arranged on the track 6, and the walking wheel set 5 drives the whole material machine to do reciprocating linear motion along the track 6.
The gantry crane further comprises an annular track 8 arranged on the upper surface of the gantry 4, and the annular center of the annular track 8 and the circle center of the slewing bearing 3 are kept on the same central line;
as shown in fig. 3, comprising support roller assemblies 7 mounted between the revolving platform 2 and the endless track 8; the supporting roller assembly 7 comprises a fixed support 701, a swinging support 702, a first pin shaft 703, a supporting roller fixing seat 704, a second pin shaft 705 and a supporting roller 706;
the fixed support 701 is fixedly installed right below the rotary platform 2, the swing support 702 is embedded into the fixed support 701 and connected through a first pin shaft 703, the swing support 702 swings left and right around the first pin shaft 703, the axis line of the first pin shaft 703 is perpendicular to the rotary central line of the rotary platform 2, two support roller fixing seats 704 are installed at two ends of the lower portion of the swing support 702 respectively, and two support rollers 706 are installed in the support roller fixing seats 704 through two second pins 705 respectively; the axes of the two second pins 705 are arranged in non-parallel and intersect each other at a certain angle on the rotation center line of the rotating platform 5, and the support roller 706 is in contact with the upper surface of the circular track 8.
The support roller assembly 7 faces the bucket wheel 101, and the mount 701 faces the bucket wheel 101. The supporting roller assemblies 7 are divided into two groups, and the supporting roller assemblies 7 are symmetrically arranged right below the rotary platform 2. The supporting roller assembly 7 plays a role of auxiliary support for the upper structural member 1 through the annular track 8, and the supporting roller assembly 7 rotates along with the rotating platform 2.
When the rotary platform 2 drives the upper structural member 1 to do rotary motion around the rotary bearing 3, the supporting roller assembly 7 simultaneously winds back around the rotary bearing 3 to do rotary motion.
When the gravity center position of the upper structural part 1 of the material machine deviates to the direction of the bucket wheel 101, particularly when the gravity center position exceeds the supporting range of the slewing bearing 3, the two groups of supporting roller assemblies 7 have a supporting effect on the upper structural part 1 so as to reduce the supporting load of the slewing bearing 3.
Because the lower swing support 702 of the two groups of support roller assemblies 7 has a swing function around the first pin 703, the two groups of support rollers 706 make a yielding change along with the change of stress and the change of the height difference of the upper surface of the annular track 8, so as to balance the stress conditions of the two groups of support rollers, and the stress of the two groups of support rollers at any position is basically consistent.
The present invention is not limited to the above embodiments, and any technical solutions formed by equivalent substitutions fall within the scope of the present invention.
Claims (8)
1. The utility model provides a take material machine of gyration auxiliary stay which characterized in that, includes superstructure spare, rotary platform, slewing bearing, portal and walking wheel group, superstructure spare is installed rotary platform's upper portion is through the round pin hub connection, rotary platform installs slewing bearing upper portion, the portal is installed the slewing bearing lower part, the track has been laid under the portal, walking wheel group sets up on the track and be equipped with and be used for supporting the supporting leg of portal, its characterized in that:
the gantry crane further comprises an annular track and a supporting roller assembly, wherein the annular track is mounted on the upper surface of the gantry, the supporting roller assembly is mounted between the rotary platform and the annular track, and the annular track and the rotary bearing are concentric; the supporting roll component comprises a fixed support, a swinging support, a first pin shaft, a supporting roll fixing seat, a second pin shaft and a supporting roll;
the fixed support is fixedly arranged right below the rotary platform, the swinging support is embedded into the fixed support and connected through the first pin shaft, the swinging support swings left and right around the first pin shaft, the axial lead of the first pin shaft is perpendicular to the rotary central line of the rotary platform, the two supporting roll fixing seats are respectively arranged at two ends of the lower part of the swinging support, and the two supporting rolls are respectively arranged in the supporting roll fixing seats through the two second pin shafts; the shaft axes of the two second pin shafts are arranged in a non-parallel mode and intersect on the rotation center line of the rotary platform at a certain angle, and the supporting rollers are in contact with the upper surface of the annular track.
2. The reclaimer machine with slewing auxiliary support of claim 1, characterized in that: the supporting roller assembly plays a role in auxiliary supporting for the upper structural part through the annular track, and the supporting roller assembly rotates with the rotating platform.
3. The reclaimer machine with slewing auxiliary support of claim 1, characterized in that: the upper structure part does pitching motion relative to the rotary platform, and the rotary platform does rotary motion relative to the gantry through the rotary bearing.
4. The reclaimer machine with slewing auxiliary support of claim 1, characterized in that: and a bucket wheel is arranged at the foremost end of the upper structural part.
5. The reclaimer machine with slewing auxiliary support of claim 4, characterized in that: the supporting roller assembly faces the bucket wheel direction, and the fixed support faces the bucket wheel direction.
6. The reclaimer machine with slewing auxiliary support of claim 1, characterized in that: the traveling wheel set is installed on the track, and the traveling wheel set drives the material machine to integrally move in a reciprocating linear mode along the track.
7. The reclaimer machine with slewing auxiliary support of claim 1, characterized in that: the supporting roller assemblies are divided into two groups, and the supporting roller assemblies are symmetrically arranged right below the rotary platform in a left-right separation mode.
8. The reclaimer machine with slewing auxiliary support of claim 1, characterized in that: when the rotary platform drives the upper structural part to rotate around the rotary bearing, the supporting roller assembly simultaneously rotates around the rotary bearing to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010236376.8A CN113460594B (en) | 2020-03-30 | 2020-03-30 | Material machine with rotary auxiliary support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010236376.8A CN113460594B (en) | 2020-03-30 | 2020-03-30 | Material machine with rotary auxiliary support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113460594A CN113460594A (en) | 2021-10-01 |
| CN113460594B true CN113460594B (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010236376.8A Active CN113460594B (en) | 2020-03-30 | 2020-03-30 | Material machine with rotary auxiliary support |
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| CN (1) | CN113460594B (en) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7814599B2 (en) * | 2007-10-12 | 2010-10-19 | ThyssenKrupp Fördertechnik GmbH | Travel support mechanism for movable conveyor bridge |
| CN201971023U (en) * | 2011-04-11 | 2011-09-14 | 中冶东方工程技术有限公司上海分公司 | Reversing slewer for flat car |
| CN102381535B (en) * | 2011-07-18 | 2013-05-08 | 大连华锐重工集团股份有限公司 | Crawler traveling type belt transshipping bridge |
| CN103084825B (en) * | 2012-12-07 | 2015-06-03 | 南京梅山冶金发展有限公司 | Jacking method for keeping position of gravity center of upper structural component of material machine unchanged |
| CN203020431U (en) * | 2012-12-14 | 2013-06-26 | 大连华锐重工集团股份有限公司 | Four-degree of freedom supporting device |
| CN203512800U (en) * | 2013-09-29 | 2014-04-02 | 潍坊亿宏重工机械有限公司 | Reclaiming device of bucket wheel reclaimer |
| CN204847454U (en) * | 2015-07-27 | 2015-12-09 | 天府重工有限公司 | Portable screw ship unloader of variable cross section frame of falling triangular supports |
| CN107601065A (en) * | 2017-09-05 | 2018-01-19 | 山东欧瑞安电气有限公司 | A kind of rotor permanent-magnet motor direct-drive bucket-wheel stacker reclaimer |
| CN209177601U (en) * | 2018-07-13 | 2019-07-30 | 华能曹妃甸港口有限公司 | A kind of outstanding skin driving support construction of novel stacker-reclaimer |
| CN209378435U (en) * | 2018-10-26 | 2019-09-13 | 华强方特（深圳）电影有限公司 | A kind of super-G equipment |
| CN110695940A (en) * | 2019-10-18 | 2020-01-17 | 南通金牛机械制造有限公司 | Rotatory multilayer car of intelligence |
-
2020
- 2020-03-30 CN CN202010236376.8A patent/CN113460594B/en active Active
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| CN113460594A (en) | 2021-10-01 |
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