CN101700857B - Heavy-load large-size pivoting support - Google Patents
Heavy-load large-size pivoting support Download PDFInfo
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- CN101700857B CN101700857B CN 200910185191 CN200910185191A CN101700857B CN 101700857 B CN101700857 B CN 101700857B CN 200910185191 CN200910185191 CN 200910185191 CN 200910185191 A CN200910185191 A CN 200910185191A CN 101700857 B CN101700857 B CN 101700857B
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- outer ring
- ring
- annular
- following
- raceway
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000011324 bead Substances 0.000 claims description 6
- 238000009987 spinning Methods 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract 4
- 239000004519 grease Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
本发明是一种重载荷大型回转支承，属回转支承，其特征是：外圈分成上外圈和下外圈，在上外圈的内周壁上由下至上依次开设二段内台阶式环形段，而在下外圈的内周壁上由上至下依次开设三段内台阶式环形段，上、下外圈对应嵌装成一体，并旋装螺栓将上、下外圈紧固连接；将内圈的中部外周壁车削成环形凸圈段，在内圈和外圈之间安装三排滚柱作为滚动体，在下外圈与起重机下机身法兰盘之间开设第四道滚道，在第四道滚道中均布安装钢球作为滚动体，在上外圈内壁的上端部和在内圈的上表面以及在内圈的外周壁的下端段上分别开设环形密封槽，并对应安装密封条，使用安全可靠，承载能力大，节约安装空间，减轻工人劳动强度，降低生产成本。
The invention is a heavy-duty large-scale slewing bearing, which belongs to the slewing bearing, and is characterized in that: the outer ring is divided into an upper outer ring and a lower outer ring, and two inner stepped ring sections are sequentially provided on the inner peripheral wall of the upper outer ring from bottom to top , and on the inner peripheral wall of the lower outer ring from top to bottom, three inner stepped ring sections are sequentially set up, the upper and lower outer rings are embedded into one body, and the bolts are screwed to fasten the upper and lower outer rings; the inner The middle outer peripheral wall of the ring is turned into an annular convex ring segment, and three rows of rollers are installed between the inner ring and the outer ring as rolling elements, and a fourth raceway is set up between the lower outer ring and the flange of the lower body of the crane. Steel balls are evenly distributed in the fourth raceway as rolling elements, and ring-shaped sealing grooves are respectively set on the upper end of the inner wall of the upper outer ring, the upper surface of the inner ring, and the lower end of the outer peripheral wall of the inner ring, and seals are installed correspondingly. It is safe and reliable to use, has a large carrying capacity, saves installation space, reduces labor intensity of workers, and reduces production costs.
Description
Technical field
The invention belongs to pivoting support, especially relate to a kind of large-size pivoting support.
Background technology
On the large-scale crawler crane of construction machinery and equipment, pivoting support receives the axial load and the capsizing moment of heavy load, if want to improve the work load capacity of hoisting crane; Reach the purpose of bearing bigger capsizing moment; The radial dimension and the axial dimension of the traditional pivoting support that uses so at present certainly will enlarge, and cause installing space to become big, make that the volume of fuselage also becomes big thereupon on the hoisting crane; Increased working strength of workers, the hoisting crane productive costs also just increases thereupon.
Summary of the invention
The purpose of this invention is to provide a kind of heavy-load large-size pivoting support, can not only improve the load-carrying capacity of pivoting support effectively, satisfy the demand in market, and practice thrift installing space, alleviate labor strength, reduce production costs.
The objective of the invention is to realize like this: a kind of heavy-load large-size pivoting support; Comprise outer ring, inner ring, roller and spacing block; Inner ring is installed in the outer ring and is relatively rotated by the roller support, it is characterized in that: the outer ring is divided into outer ring and following outer ring, on the internal perisporium of last outer ring, offers step ring segment in two sections from the bottom to top successively; Promptly in the internal diameter of last outer ring, offer two sections inner bore of step from the bottom to top successively; And reduce from the bottom to top piecemeal in the aperture, and the while is the seam section under turning annular on the periphery of the bottom of last outer ring, correspondingly makes the lower end of outer ring form annular boss; And on the internal perisporium of the following outer ring that is the disc formula, offer step ring segment in three sections from top to bottom successively; Promptly in the internal diameter of following outer ring, offer three sections inner bore of step from top to bottom successively; And the aperture from top to bottom reduces piecemeal, has annular convex platform in the following inboard of outer ring upper surface, and the seam section is corresponding chimeric and the corresponding setting-in in upper and lower outer ring is integral under the annular on this annular convex platform and the last outer ring; Annular inner concave is also offered in bottom in following outer ring; Make down the bottom of outer ring form annular ring, corresponding to the chimeric position of upper and lower outer ring, circumference uniform distribution on the concave bottom surface of outer ring down offer through on the tapped bore of outer ring; Spinning bolt in each tapped bore is fastenedly connected upper and lower outer ring; The upper end section of the periphery wall of inner ring being lathed the annular terrace section of appearing on the stage, the bottom of the periphery wall of inner ring is lathed annular leave from office terrace section, is the annular bead section between this upper and lower annular table terrace section; Be uniformly distributed with and install roller in the annular of the inner ring annular of appearing on the stage between the epimere inner bore of step of terrace section and last outer ring; Should go up roller is inlaid in the window formula spacing block; Annular is uniformly distributed with roller down is installed between the hypomere inner bore of step of the annular leave from office terrace section of inner ring and following outer ring, and this time roller is inlaid in down in the window formula spacing block, and annular is uniformly distributed with roller outside the installation between the epimere inner bore of step on annular bead section on inner ring and the following outer ring; Outer roller also is inlaid in the external window type spacing block; Like this, arrange rollers as rolling body with three between inner ring and the outer ring, greatly improved load-carrying capacity; In addition; The bottom of the following annular ring of outer ring and the top of fuselage flange under the hoisting crane corresponding respectively offer the semicircle cambered surface on raceway and following raceway to form the 4th road raceway; In this 4th road raceway, be uniformly distributed with and steel ball be installed, further improved the load-carrying capacity of whole pivoting support as rolling body; Offer annular seal groove respectively in the upper end of last outer ring inwall with on the upper surface of inner ring and lower end section at the periphery wall of inner ring, and the corresponding respectively sealing band of installing, in addition; The both sides of the 4th road raceway are offered annular seal groove respectively on following outer ring, and the corresponding respectively seal ring of installing, and prevent the leakage of grease; On last outer ring and following outer ring, offer simultaneously with the corresponding oil duct that communicates of raceway of the raceway of each roller and steel ball respectively and install zerk additional; Be lubricated, protect each raceway, reduce friction; Make body revolution smooth and easy, prolong raceway service life.
Heavy-load large-size pivoting support proposed by the invention, rational in infrastructure, safe and reliable, load-carrying capacity is big, satisfies the demand in market, and practices thrift installing space, alleviates labor strength, reduces production costs.
Combine accompanying drawing and embodiment that heavy-load large-size pivoting support proposed by the invention is described further at present.
Description of drawings
Fig. 1 is the main cross-sectional schematic of heavy-load large-size pivoting support proposed by the invention.
Among Fig. 1: 1, down outer ring 2, zerk 3, go up outer ring 4, outer roller 5, external window type spacing block 6, go up roller 7, go up window formula spacing block 8, roller 9, window formula spacing block 10, inner ring 11, sealing band 12, outer ring 13, hoisting crane lower part of the body flange 14, steel ball 15, seal ring 16, tie bolt down down
The practical implementation method
As can be seen from Figure 1: a kind of heavy-load large-size pivoting support; Comprise outer ring 12, inner ring 10, roller and spacing block; Inner ring 10 is installed in the outer ring 12 and is relatively rotated by the roller support, it is characterized in that: outer ring 12 is divided into outer ring 3 and following outer ring 1, on the internal perisporium of last outer ring 3, offers step ring segment in two sections from the bottom to top successively; Promptly in the internal diameter of last outer ring 3, offer two sections inner bore of step from the bottom to top successively; And reduce from the bottom to top piecemeal in the aperture, and the while is the seam section under turning annular on the periphery of the bottom of last outer ring 3, correspondingly makes 3 lower ends, outer ring form annular boss; And on the internal perisporium of the following outer ring 1 that is the disc formula, offer step ring segment in three sections from top to bottom successively; Promptly in the internal diameter of following outer ring 1, offer three sections inner bore of step from top to bottom successively; And the aperture from top to bottom reduces piecemeal, has annular convex platform in the following inboard of outer ring 1 upper surface, and the seam section is corresponding chimeric and upper and lower outer ring 3,1 corresponding setting-in is integral under the annular on this annular convex platform and the last outer ring 3; Annular inner concave is also offered in bottom in following outer ring 1; Make down the bottom of outer ring 1 form annular ring, corresponding to the chimeric position of upper and lower outer ring 3,1, circumference uniform distribution on the concave bottom surface of outer ring 1 down offer through on the tapped bore of outer ring; Spinning tie bolt 16 in each tapped bore is fastenedly connected upper and lower outer ring 3,1; The upper end section of the periphery wall of inner ring 10 being lathed the annular terrace section of appearing on the stage, the bottom of the periphery wall of inner ring 10 is lathed annular leave from office terrace section, is the annular bead section between this upper and lower annular table terrace section; Be uniformly distributed with and install roller 6 in the annular of inner ring 10 annular of appearing on the stage between the epimere inner bore of step of terrace section and last outer ring 3; Should go up roller 6 is inlaid in the window formula spacing block 7; Annular is uniformly distributed with roller 8 down is installed between the hypomere inner bore of step of the annular leave from office terrace section of inner ring 10 and following outer ring 1, and this time roller 8 is inlaid in down in the window formula spacing block 9, and annular is uniformly distributed with roller 4 outside the installation between the epimere inner bore of step on annular bead section on inner ring 10 and the following outer ring 1; Outer roller 4 also is inlaid in the external window type spacing block 5; Like this, arrange rollers as rolling body with three between inner ring 10 and the outer ring 12, greatly improved load-carrying capacity; In addition; The bottom of the following annular ring of outer ring 1 and the top of fuselage flange 13 under the hoisting crane corresponding respectively offer the semicircle cambered surface on raceway and following raceway to form the 4th road raceway; In this 4th road raceway, be uniformly distributed with and steel ball 14 be installed, further improve the load-carrying capacity of whole pivoting support as rolling body; Offer annular seal groove respectively in the upper end of last outer ring 3 inwalls with on the upper surface of inner ring 10 and lower end section at the periphery wall of inner ring 10, and the corresponding respectively sealing band 11 of installing, in addition; The both sides of the 4th road raceway are offered annular seal groove respectively on following outer ring 1, and the corresponding respectively seal ring 15 of installing, and prevent the leakage of grease; On last outer ring 3 and following outer ring 1, offer simultaneously with the corresponding oil duct that communicates of raceway of the raceway of each roller and steel ball 14 respectively and install zerk 2 additional; Be lubricated, protect each raceway, reduce friction; Make body revolution smooth and easy, prolong raceway service life.
Claims (1)
1. a heavy-load large-size pivoting support comprises outer ring (12), inner ring (10), roller and spacing block, it is characterized in that:
A, outer ring (12) are divided into outer ring (3) and following outer ring (1); On the internal perisporium of last outer ring (3), offer step ring segment in two sections from the bottom to top successively; Promptly in the internal diameter of last outer ring (3), offer two sections inner bore of step from the bottom to top successively; And reduce from the bottom to top piecemeal in the aperture, and the while is the seam section under turning annular on the periphery of the bottom of last outer ring (3), correspondingly makes lower end, outer ring (3) form annular boss;
B, on the internal perisporium of the following outer ring (1) that is the disc formula, offer step ring segment in three sections from top to bottom successively; Promptly in the internal diameter of following outer ring (1), offer three sections inner bore of step from top to bottom successively; And the aperture from top to bottom reduces piecemeal, has annular convex platform in the following inboard of outer ring (1) upper surface, and the seam section is corresponding chimeric and the corresponding setting-in in upper and lower outer ring (3,1) is integral under the annular on this annular convex platform and last outer ring (3); Annular inner concave is also offered in bottom in following outer ring (1); Make down the bottom of outer ring (1) form annular ring, corresponding to the chimeric position of upper and lower outer ring (3,1), circumference uniform distribution is offered the through tapped bore of going up the outer ring on the concave bottom surface of following outer ring (1); Spinning tie bolt (16) in each tapped bore is fastenedly connected upper and lower outer ring (3,1);
C, the upper end section of the periphery wall of inner ring (10) being lathed the annular terrace section of appearing on the stage, the bottom of the periphery wall of inner ring (10) is lathed annular leave from office terrace section, is the annular bead section between this upper and lower annular table terrace section;
D, be uniformly distributed with and install roller (6) in the annular of inner ring (10) annular of appearing on the stage between the epimere inner bore of step of terrace section and last outer ring (3); Should go up roller (6) is inlaid in the window formula spacing block (7); Be uniformly distributed with roller (8) under the installation in annular between annular leave from office terrace section on the inner ring (10) and the hypomere inner bore of step on the following outer ring (1); This time roller (8) is inlaid in down in the window formula spacing block (9); And annular is uniformly distributed with roller (4) outside the installation between the epimere inner bore of step on annular bead section on inner ring (10) and the following outer ring (1), and outer roller (4) is inlaid in the external window type spacing block (5);
E, corresponding respectively the last raceway of offering the semicircle cambered surface in the top of fuselage flange (13) and following raceway are uniformly distributed with installation steel ball (14) to form the 4th road raceway in this 4th road raceway in the bottom of the following annular ring of outer ring (1) and under hoisting crane;
F, offer annular seal groove respectively in the upper end of last outer ring (3) inwall with on the upper surface of inner ring (10) and lower end section at the periphery wall of inner ring (10); And the corresponding respectively sealing band (11) of installing; The both sides of last the 4th road raceway are offered annular seal groove respectively in following outer ring (1); And the respectively corresponding seal ring (15) of installing, on last outer ring (3) and following outer ring (1), offer with the corresponding oil duct that communicates of raceway of the raceway of each roller and steel ball (14) respectively and install zerk (2) additional.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910185191 CN101700857B (en) | 2009-09-30 | 2009-09-30 | Heavy-load large-size pivoting support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910185191 CN101700857B (en) | 2009-09-30 | 2009-09-30 | Heavy-load large-size pivoting support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101700857A CN101700857A (en) | 2010-05-05 |
| CN101700857B true CN101700857B (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910185191 Active CN101700857B (en) | 2009-09-30 | 2009-09-30 | Heavy-load large-size pivoting support |
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| CN (1) | CN101700857B (en) |
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| CN102179703A (en) * | 2011-05-24 | 2011-09-14 | 无锡立达齿轮制造有限公司 | Working platform of tooth inserting machine |
| CN102225733B (en) * | 2011-05-31 | 2013-01-02 | 太原重工股份有限公司 | Separable slewing bearing and device for plugging pin roll |
| CN202164064U (en) * | 2011-07-13 | 2012-03-14 | 上海三一科技有限公司 | Five-row roller type slewing bearing of crane and crane comprising same |
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| CN104405001A (en) * | 2014-11-29 | 2015-03-11 | 东北林业大学 | Excavator rotation device and rotation method used in road and bridge construction |
| CN106698206A (en) * | 2016-11-13 | 2017-05-24 | 无锡晟欧船舶设备有限公司 | Movable type petroleum pipe hoist |
| CN106744373A (en) * | 2016-11-13 | 2017-05-31 | 无锡晟欧船舶设备有限公司 | Petroleum pipeline hangs |
| CN108163731B (en) * | 2017-11-14 | 2020-01-31 | 武汉船用机械有限责任公司 | kinds of supporting device |
| CN113602981A (en) * | 2021-08-23 | 2021-11-05 | 徐工集团工程机械股份有限公司建设机械分公司 | Mast crane |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3723961A1 (en) * | 1987-07-20 | 1989-02-02 | Liebherr Werk Biberach Gmbh | Connection of a live ring's bearing ring of a revolving superstructure or the like to a bogie or the like |
| EP0388669A1 (en) * | 1989-03-23 | 1990-09-26 | Fried. Krupp AG Hoesch-Krupp | Roller bearing with a free space in its centre |
| JPH03181613A (en) | 1989-08-17 | 1991-08-07 | Hoesch Ag | Large revolving wheel bearing |
| US5834662A (en) * | 1993-06-19 | 1998-11-10 | Imo-Industrie-Momentenlager Stoll & Russ Gmbh | Arrangement for the rotary actuation of an apparatus on a chassis or foundation |
| CN201202733Y (en) * | 2008-05-26 | 2009-03-04 | 马鞍山方圆回转支承股份有限公司 | Double-column ball type revolving support |
| CN201224436Y (en) * | 2008-05-26 | 2009-04-22 | 马鞍山方圆回转支承股份有限公司 | Double-L-shaped pivoting support for heavy type trailer |
| CN201501751U (en) * | 2009-09-30 | 2010-06-09 | 马鞍山方圆回转支承股份有限公司 | Heavy load large-sized pivoting support |
-
2009
- 2009-09-30 CN CN 200910185191 patent/CN101700857B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3723961A1 (en) * | 1987-07-20 | 1989-02-02 | Liebherr Werk Biberach Gmbh | Connection of a live ring's bearing ring of a revolving superstructure or the like to a bogie or the like |
| EP0388669A1 (en) * | 1989-03-23 | 1990-09-26 | Fried. Krupp AG Hoesch-Krupp | Roller bearing with a free space in its centre |
| JPH03181613A (en) | 1989-08-17 | 1991-08-07 | Hoesch Ag | Large revolving wheel bearing |
| US5834662A (en) * | 1993-06-19 | 1998-11-10 | Imo-Industrie-Momentenlager Stoll & Russ Gmbh | Arrangement for the rotary actuation of an apparatus on a chassis or foundation |
| CN201202733Y (en) * | 2008-05-26 | 2009-03-04 | 马鞍山方圆回转支承股份有限公司 | Double-column ball type revolving support |
| CN201224436Y (en) * | 2008-05-26 | 2009-04-22 | 马鞍山方圆回转支承股份有限公司 | Double-L-shaped pivoting support for heavy type trailer |
| CN201501751U (en) * | 2009-09-30 | 2010-06-09 | 马鞍山方圆回转支承股份有限公司 | Heavy load large-sized pivoting support |
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| Publication number | Publication date |
|---|---|
| CN101700857A (en) | 2010-05-05 |
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Effective date of registration: 20161222 Address after: 243000 Ma'anshan economic and Technological Development Zone, Anhui, No. 399 West Hill Road, building No. 3 Patentee after: Ma'anshan Fangyuan Pml Precision Mechanism Ltd Address before: 243000 Anhui city of Ma'anshan province Jinjiazhuang District Cihu Chemical Industry Road No. 1 Patentee before: Maanshan Fangyuan Slewing Ring Co., Ltd. |