CN206889476U - A kind of worm-gear type pivoting support of screw attachment - Google Patents
A kind of worm-gear type pivoting support of screw attachment Download PDFInfo
- Publication number
- CN206889476U CN206889476U CN201720871090.0U CN201720871090U CN206889476U CN 206889476 U CN206889476 U CN 206889476U CN 201720871090 U CN201720871090 U CN 201720871090U CN 206889476 U CN206889476 U CN 206889476U
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- Prior art keywords
- gear
- ring
- outer ring
- worm
- pivoting support
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Abstract
The utility model discloses a kind of worm-gear type pivoting support of screw attachment, belong to pivoting support technical field.A kind of worm-gear type pivoting support of screw attachment of the present utility model, including outer ring, inner ring and gear ring, the binding face of outer ring and inner ring is machined with the steel ball rolling channel of installation steel ball and spacing block, the gear ring includes gear ring body, the outer ring surface of gear ring body is toothed around, and its inner ring surface is forge piece of step type structure, and the outer ring surface of the outer ring is processed as the forge piece of step type structure to match with gear ring inner ring surface, the gear ring is set in the outer ring surface of outer ring, and is fixed by holding screw.Pivoting support structure convenient disassembly of the present utility model, available for Worm Wheel System insufficient lubrication, occasion that worm gear easily wears.
Description
Technical field
The utility model belongs to pivoting support technical field, is returned more specifically to a kind of worm-gear type of screw attachment
Turn supporting.
Background technology
Pivoting support is used widely in real industry, is known as " joint of machine ", is between two articles
Relative gyration need to be made, need to bear simultaneously again axial force, radial load, tilting moment machinery necessary to important driving section
Part, have the characteristics that compact-sized, stable movement, precision are high and bearing capacity is strong, be widely used in various engineering machinery, harbour
The plant equipment such as equipment, metallurgical equipment, oil drilling platform, wind-driven generator.
The pivoting support equipment used at present is made up of the outer ring of pulley teeth, inner ring, steel ball and spacing block, outer ring with it is interior
Along the circumferential direction uniformly and successively compartment of terrain installation steel ball and spacing block in raceway between circle.But because existing worm-gear type turns round
Support apparatus generally use monoblock type external toothing, i.e., the gear teeth, this traditional entirety are directly processed on the outer ring of pivoting support
Formula worm gear pivoting support requires higher to lubricating condition, and insufficient lubrication once occurs in wheel between cog, and it is different to be also easy to produce tooth face agglutination, the gear teeth
Often abrasion situations such as, cause transmission efficiency low, especially high speed heavy load when, poor work stability, poor reliability, use range by
To considerable restraint, in some instances it may even be possible to cause killing and damaging for the gear teeth, in turn result in scrapping for a whole set of pivoting support.
For problem above existing for existing rotary supporting device, the application case of Application No. 201420503375.5 discloses
A kind of split type pivoting support of worm gear and the transmission device with the pivoting support, the pivoting support of this application case include steel
Outer ring, inner ring, steel ball and spacing block, in the raceway between outer ring and inner ring even circumferential and successively compartment of terrain installation steel ball and
Spacing block, the outer ring, which is mounted opposite on the periphery of side, sets ring-shaped step, and copper alloy worm gear, the central axis of worm gear are set on step
With inner ring, steel ball central axis on the same line, be fixed on by holding screw on outer ring.By turning round in this application case
Copper alloy worm gear is installed, i.e., by copper alloy worm gear and the split settings of outer ring, so as to effective on the steel outer ring of supporting
Solve the problems, such as that the gear teeth are easily engaged with worm screw, improve transmission efficiency, and revolution at a high speed can be realized, expand practical ranges.
But the combination stability in this application case between copper alloy worm gear and steel outer ring is relatively poor, when power is larger, screw hole is easily sent out
Change shape, makes to produce Relative sliding phenomenon between copper alloy worm gear and steel outer ring, so as to influence the normal work of pivoting support.
Utility model content
1. utility model technical problems to be solved
The purpose of this utility model is to overcome traditional worm-gear type pivoting support under conditions of lubricating condition is bad, easily
The problems such as producing tooth face agglutination, gear teeth inordinate wear, in turn results in the deficiency that a whole set of pivoting support is scrapped, there is provided a kind of screw
The worm-gear type pivoting support of connection.The utility model by gear ring and outer ring Split type structure be designed to effectively overcome traditional snail
Deficiency more than wheel type rotation supporting is existing, and combination stability is preferable between gear ring and outer ring, is more uniformly stressed.
2. technical scheme
To reach above-mentioned purpose, technical scheme provided by the utility model is：
A kind of worm-gear type pivoting support of screw attachment of the present utility model, including outer ring, inner ring and gear ring, outer ring with it is interior
The binding face of circle is machined with the steel ball rolling channel of installation steel ball and spacing block, and the gear ring includes gear ring body, gear ring body outside
Anchor ring is toothed around, and its inner ring surface is forge piece of step type structure, and the outer ring surface of the outer ring is processed as what is matched with gear ring inner ring surface
Forge piece of step type structure, the gear ring is set in the outer ring surface of outer ring, and is fixed by holding screw.
Further, the inner ring surface of the gear ring body includes the first hole section and the second hole section, and the first hole section internal diameter is big
The screw hole of installation holding screw, the screw hole are machined with the second hole section internal diameter, and corresponding to the second hole section in gear ring plane
For the through hole with counterbore, the screwed hole being connected with screw hole is machined with the outer ring.
Further, inner ring mounting hole is machined with the inner ring, corresponds to and adds on the outer ring and the hole section of gear ring second
Work has the outer ring mounting hole being connected.
Further, the described gear teeth are the worm-gear type gear teeth, and its tooth form uses involute profile, the outer ring and gear ring
Faying face using H7/r6 coordinate.
Further, the material of the outer ring and inner ring selects 50Mn or 42CrMo, the material selection of gear ring
ZCuSn10Pb1。
Further, the outer ring is machined with rectangular seal groove with corresponding respectively on the faying face of inner ring, in seal groove
Sealing ring is installed, the faying face of outer ring and inner ring sealed by sealing ring.
Further, described steel ball rolling channel is duplex circular ares profile race, and two circular arc intersections of raceway have space.
Further, the inner ring inwall processing has the oil filler point and oil duct connected with steel ball rolling channel, the oil filler point
Inside it is equipped with forced filling oil cup.
Further, mounting hole is provided with the inner ring, is provided with and blocks in mounting hole, and be fixed with taper bolt.
3. beneficial effect
Using technical scheme provided by the utility model, compared with prior art, there is following remarkable result：
(1) the worm-gear type pivoting support of a kind of screw attachment of the present utility model, including outer ring, inner ring and gear ring, will
Monoblock type external tooth coil structures in traditional pivoting support are replaced using separated type outer ring-gear ring structure, so as to moisten
It is sliding it is bad under conditions of, the phenomenon of effectively prevent tooth face agglutination, killing can be achieved worm geared stationarity, be advantageous to
Improve the transmission efficiency and service life of pivoting support.Meanwhile the utility model passes through the structure to outer ring and gear ring faying face
Design is optimized, the fastness and stability combined so as to improve the size of its faying face and gear ring with outer ring, favorably
In the uniformity for ensureing gear ring stress, prevent that screw hole deforms in the presence of more energetically so that gear ring and outer ring it
Between produce Relative sliding phenomenon.
(2) the worm-gear type pivoting support of a kind of screw attachment of the present utility model, by by outer ring and gear ring split settings,
Consequently facilitating the dismounting and replacing of gear ring, the normal work of pivoting support is advantageously ensured that.Gear ring body in the utility model
The screw hole of installation holding screw is machined with corresponding to second hole section in gear ring plane, is machined with outer ring and is connected with screw hole
Screwed hole, outer ring is fixed in gear ring by holding screw, fixed with outer ring so as to being advantageous to further high gear ring
Fastness, it ensure that the integrally-built steadiness of pivoting support.
(3) the worm-gear type pivoting support of a kind of screw attachment of the present utility model, the described gear teeth are the worm-gear type gear teeth, its
Tooth form uses involute profile, and the faying face of outer ring and gear ring is coordinated using H7/r6, so as to which pivoting support is effectively ensured
The intensity and wearability of the gear teeth, can reduce the generation of broken teeth and gear teeth wear phenomenon.
(4) the worm-gear type pivoting support of a kind of screw attachment of the present utility model, reasonable in design, principle is simple,
In the case that the gear teeth are damaged, gear ring need to be only changed, and is changed conveniently, raw material can be largely saved, be easy to promote the use of.
Brief description of the drawings
Fig. 1 is a kind of main structure diagram of the worm-gear type pivoting support of screw attachment of the present utility model.
Fig. 2 is a kind of overlooking the structure diagram of the worm-gear type pivoting support of screw attachment of the present utility model.
Fig. 3 is the structural representation of gear ring of the present utility model.
Label declaration in schematic diagram：1st, gear ring；101st, gear ring body；102nd, the gear teeth；103rd, screw hole；104th, the first hole
Section；105th, the second hole section；2nd, holding screw；3rd, steel ball；4th, spacing block；5th, sealing ring；6th, inner ring；7th, taper bolt；8th, block；9、
Forced filling oil cup；10th, inner ring mounting hole；11st, outer ring mounting hole；12nd, outer ring.
Embodiment
To further appreciate that content of the present utility model, the utility model is made in conjunction with the drawings and specific embodiments detailed
Description.
Embodiment 1
With reference to shown in Fig. 1-Fig. 3, a kind of worm-gear type pivoting support of screw attachment of the present embodiment, including it is outer ring 12, interior
The binding face of circle 6 and gear ring 1, outer ring 12 and inner ring 6 is machined with the steel ball rolling channel of installation steel ball 3 and spacing block 4, the gear ring 1
Including gear ring body 101, the outer ring surface of gear ring body 101 is toothed around 102, and its inner ring surface is forge piece of step type structure, the outer ring
12 outer ring surface is processed as the forge piece of step type structure to match with the inner ring surface of gear ring 1, and the gear ring 1 is set in the outer shroud of outer ring 12
Face, and be fixed by holding screw 2.The present embodiment by the external toothing of existing pivoting support by being designed as outer ring+gear ring
Split-type structural, so as to the phenomenon under conditions of insufficient lubrication, effectively prevent tooth face agglutination, killing, revolution branch
Hold that the wearability of the gear teeth is relatively preferable, substantially prolongs the service life of pivoting support, while the material of gear ring 1 can be relied on excellent
Mechanical property, worm geared stability is realized, and changed conveniently after gear ring damage.
In addition, the present embodiment is to the integrated structure of gear ring 1 and outer ring 12 also by optimizing design, i.e., by gear ring 1 and
The faying face of outer ring 12 is processed as stepped faying face, so as to improve the size of its faying face and gear ring 1 and the knot of outer ring 12
The fastness of conjunction, the uniformity of the stress of gear ring 1 is advantageously ensured that, prevents that screw hole easily deforms in the presence of more energetically,
Make to produce Relative sliding phenomenon between gear ring 1 and outer ring 12, and then ensure that the normal work of pivoting support.
Specifically, as shown in figure 3, the inner ring surface of the gear ring body 101 of the present embodiment includes the first hole section 104 and the second hole
Section 105, the internal diameter of the first hole section 104 is more than the internal diameter of the second hole section 105, and is machined with corresponding to the second hole section 105 in gear ring plane
The screw hole 103 of holding screw 2 is installed, the screw hole 103 is the through hole with counterbore, is machined with the outer ring 12 and screw hole
103 screwed holes being connected.Inner ring mounting hole 10, outer ring 12 and the second hole section of gear ring 105 are machined with the inner ring 6 of the present embodiment
Upper correspondence is machined with the outer ring mounting hole 11 being connected.
Embodiment 2
With reference to shown in Fig. 1-Fig. 3, a kind of worm-gear type pivoting support of screw attachment of the present embodiment, its structure is substantially the same as real
Example 1 is applied, its difference essentially consists in：The described gear teeth 102 are the worm-gear type gear teeth, and its tooth form uses involute profile, the outer ring
12 with the faying face of gear ring 1 using H7/r6 cooperations, so as to which the intensity of the pivoting support gear teeth and wearability, energy is effectively ensured
Enough reduce the generation of broken teeth and gear teeth wear phenomenon.50Mn, gear ring 1 are selected in the outer ring 12 of the present embodiment with the material of inner ring 6
Material selection ZCuSn10Pb1, so as to further improve the bulk strength of pivoting support and wearability, advantageously ensure that
Its service life.
The inwall processing of inner ring 6 has an oil filler point and oil duct connected with steel ball rolling channel in the present embodiment, and the oil filler point is built-in
Equipped with forced filling oil cup 9, lubricating oil is injected by forced filling oil cup 9, so as to be lubricated to steel ball and spacing block, reduces friction.Institute
State outer ring 12 and be machined with rectangular seal groove with corresponding respectively on the faying face of inner ring 6, sealing ring 5 is installed in seal groove, passed through
Sealing ring 5 seals to outer ring 12 and the faying face of inner ring 6, and described steel ball rolling channel is duplex circular ares profile race, it is ensured that corresponding
Steel ball remain that contact angle between above-mentioned raceway is 45 ° when pivoting support operates, and two circular arcs of raceway intersect
There is space in place, so as to make raceway bottom not contacted with ball, and store certain lubricating oil to reduce fretting wear.It is described
Mounting hole is provided with inner ring 6 to install steel ball 3 and spacing block 4, is provided with mounting hole and blocks 8, and be fixed with taper bolt 7.
Embodiment 3
A kind of worm-gear type pivoting support of screw attachment of the present embodiment, substantially with embodiment 1, it distinguishes main its structure
It is：42CrMo is selected in the outer ring 12 of the present embodiment with the material of inner ring 6.
Schematically the utility model and embodiments thereof are described above, this describes no restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So if this area
Those of ordinary skill enlightened by it, do not depart from the utility model create objective in the case of, without creativeness design
The frame mode similar to the technical scheme and embodiment, the scope of protection of the utility model all should be belonged to.
Claims (9)
1. a kind of worm-gear type pivoting support of screw attachment, including outer ring (12) and inner ring (6), outer ring (12) and inner ring (6)
Binding face is machined with the steel ball rolling channel of installation steel ball (3) and spacing block (4), it is characterised in that：Also include gear ring (1), the tooth
Circle (1) includes gear ring body (101), and the outer ring surface of gear ring body (101) is toothed around (102), and its inner ring surface is tied to be stepped
Structure, the outer ring surface of the outer ring (12) are processed as the forge piece of step type structure to match with gear ring (1) inner ring surface, gear ring (1) set
Outer ring surface loaded on outer ring (12), and be fixed by holding screw (2).
A kind of 2. worm-gear type pivoting support of screw attachment according to claim 1, it is characterised in that：The gear ring body
(101) inner ring surface includes the first hole section (104) and the second hole section (105), and the first hole section (104) internal diameter is more than the second hole section
(105) internal diameter, and the screw hole (103) of installation holding screw (2) is machined with corresponding to the second hole section (105) in gear ring plane,
The screw hole (103) is the through hole with counterbore, and the screwed hole being connected with screw hole (103) is machined with the outer ring (12).
A kind of 3. worm-gear type pivoting support of screw attachment according to claim 2, it is characterised in that：The inner ring (6)
On be machined with inner ring mounting hole (10), be correspondingly machined with the outer ring (12) and the hole section of gear ring second (105) be connected it is outer
Enclose mounting hole (11).
A kind of 4. worm-gear type pivoting support of screw attachment according to any one of claim 1-3, it is characterised in that：Institute
The gear teeth (102) stated are the worm-gear type gear teeth, and its tooth form uses involute profile, the outer ring (12) and the faying face of gear ring (1)
Coordinated using H7/r6.
A kind of 5. worm-gear type pivoting support of screw attachment according to any one of claim 1-3, it is characterised in that：Institute
State outer ring (12) and the material of inner ring (6) selects 50Mn or 42CrMo, the material selection ZCuSn10Pb1 of gear ring (1).
A kind of 6. worm-gear type pivoting support of screw attachment according to claim 4, it is characterised in that：The outer ring (12)
Rectangular seal groove is machined with corresponding respectively on the faying face of inner ring (6), sealing ring (5) is installed in seal groove, passes through sealing
Circle (5) seals to outer ring (12) and the faying face of inner ring (6).
A kind of 7. worm-gear type pivoting support of screw attachment according to claim 5, it is characterised in that：Described steel ball rolling
Road is duplex circular ares profile race, and two circular arc intersections of raceway have space.
A kind of 8. worm-gear type pivoting support of screw attachment according to claim 6, it is characterised in that：The inner ring (6)
Inwall processing has the oil filler point and oil duct connected with steel ball rolling channel, and forced filling oil cup (9) is equipped with the oil filler point.
A kind of 9. worm-gear type pivoting support of screw attachment according to claim 8, it is characterised in that：The inner ring (6)
On be provided with mounting hole, be provided with mounting hole and block (8), and be fixed with taper bolt (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720871090.0U CN206889476U (en) | 2017-07-18 | 2017-07-18 | A kind of worm-gear type pivoting support of screw attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720871090.0U CN206889476U (en) | 2017-07-18 | 2017-07-18 | A kind of worm-gear type pivoting support of screw attachment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206889476U true CN206889476U (en) | 2018-01-16 |
Family
ID=61296700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720871090.0U Expired - Fee Related CN206889476U (en) | 2017-07-18 | 2017-07-18 | A kind of worm-gear type pivoting support of screw attachment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206889476U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533687A (en) * | 2018-06-15 | 2018-09-14 | 三门县金帆橡塑机械厂 | A kind of Worm and worm-wheel gearing and its mixer |
| CN110259821A (en) * | 2019-07-10 | 2019-09-20 | 安徽晨光精工机电科技有限公司 | A kind of double ball-type slewing bearing |
| CN110377016A (en) * | 2018-07-04 | 2019-10-25 | 北京京东尚科信息技术有限公司 | A kind of revolving structure and automated guided vehicle |
| CN110925295A (en) * | 2019-11-20 | 2020-03-27 | 马鞍山市博创回转支承有限公司 | Slewing bearing and oil injection process thereof |
-
2017
- 2017-07-18 CN CN201720871090.0U patent/CN206889476U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533687A (en) * | 2018-06-15 | 2018-09-14 | 三门县金帆橡塑机械厂 | A kind of Worm and worm-wheel gearing and its mixer |
| CN110377016A (en) * | 2018-07-04 | 2019-10-25 | 北京京东尚科信息技术有限公司 | A kind of revolving structure and automated guided vehicle |
| CN110259821A (en) * | 2019-07-10 | 2019-09-20 | 安徽晨光精工机电科技有限公司 | A kind of double ball-type slewing bearing |
| CN110925295A (en) * | 2019-11-20 | 2020-03-27 | 马鞍山市博创回转支承有限公司 | Slewing bearing and oil injection process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20200718 |
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| CF01 | Termination of patent right due to non-payment of annual fee |