CN103615515A - Gear - Google Patents
Gear Download PDFInfo
- Publication number
- CN103615515A CN103615515A CN201310611634.6A CN201310611634A CN103615515A CN 103615515 A CN103615515 A CN 103615515A CN 201310611634 A CN201310611634 A CN 201310611634A CN 103615515 A CN103615515 A CN 103615515A
- Authority
- CN
- China
- Prior art keywords
- gear
- hole
- top cover
- hydraulic pressure
- groove
- 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
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
- F16H57/0025—Shaft assemblies for gearings with gearing elements rigidly connected to a shaft, e.g. securing gears or pulleys by specially adapted splines, keys or methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Rotary Pumps (AREA)
Abstract
The embodiment of the invention provides a gear which is simple in structure, convenient to detach and high in positioning precision. The gear comprises a gear body and a hydraulic ejection sleeve, the center of the gear body is provided with a cylindrical clamping shaft hole matched with a shaft, meanwhile, the gear body is provided with a clamping sleeve groove concentric with the clamping shaft hole, the hydraulic ejection sleeve is matched with the gear body through the clamping sleeve groove, the bottom of the clamping sleeve groove is provided with an oil cavity which is filled with hydraulic oil, the gear body and the hydraulic ejection sleeve are connected and locked through bolts, and locking achieved through the bolts enables the hydraulic oil in the oil cavity to be pressed, so that the clamping shaft hole is shortened and deforms, and the hydraulic ejection sleeve is clamped on the shaft through shortening and deformation of the clamping shaft hole.
Description
Technical field
The present invention relates to mechanical design field, relate in particular to a kind of gear.
Background technique
Development along with China's economy, the use of Large-scale Manufacturing machinery is also more and more frequent, thus the processing cost of machinery, working life and performance have been had to higher requirement, gear, as the indispensable structural member of machinery, is usually used in the machinery such as blower, compressor, vacuum pump, flow measurement equipment.
Figure 1 shows that a kind of gear structure schematic diagram that prior art provides, as shown in Figure 1, this gear comprises: gear 11, axis of cone hole 12, hold out against face 13 and dismounting screw 14.Gear 11 coordinates installation by axis of cone hole 12 with the axis of cone, and on face 13, to apply external force locked by the axis of cone hole on gear 11 12 and the axis of cone by holding out against.Demounting bolt in dismounting screw 14 is for disassembling gear from the axis of cone.
Such gear installation and removal process is complicated.Especially when gear is installed, gear can produce circumferential rotation axially movable simultaneously, makes the circumferential position play of gear.Thereby cause synchronous angle deviating, cause gear need to repeatedly dismantle and adjust installation, the dismounting of gear and installation all must will have special dismounting and mounting tool.
Figure 2 shows that the another kind of gear structure schematic diagram that prior art provides, as shown in Figure 2, this gear comprises: gear 21, wheel hub 22, wheel hub axial plane 23, bore face 24, locking screw pit 25, elongated slot 26, pad 27 and bolt 28.Gear 21 coordinates coaxial with wheel hub axial plane 23 by bore face 24, with bolt 28, through elongated slot 26, be screwed in locking screw pit 25, and wheel hub 22 and 21 of gears is locked, is lined with pad 27 under bolt.
Such gear is in installation process, and wheel hub directly contacts with axle and is interference fit, wheel hub dismounting inconvenience.Between bore and wheel hub axial plane, be Spielpassung, run-out error is large simultaneously, and effectively bearing capacity is low.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of gear, simple for structure, convenient disassembly, and positioning precision is high.
A kind of gear that the embodiment of the present invention provides, comprising: gear mass and hydraulic pressure top cover; Described gear mass center has the columniform folder axis hole for coordinating with axle, has the chuck groove concentric with described folder axis hole on described gear mass simultaneously, and described hydraulic pressure top cover coordinates with described gear mass by described chuck groove; Described chuck groove bottom has oil pocket and fills hydraulic oil;
Wherein, described gear mass and described hydraulic pressure top cover are bolted locking, and bolt-locking makes the hydraulic oil pressurized in described oil pocket cause described folder axis hole generation to dwindle distortion, and described hydraulic pressure top cover is clamped on axle by the distortion of dwindling of described folder axis hole.
Wherein, on described gear mass end face, have bolt hole, on described hydraulic pressure top cover end face, have the unthreaded hole coaxial with described bolt hole, described gear mass is connected locking with described hydraulic pressure top cover by the bolt through described bolt hole and described unthreaded hole.
Wherein, the sealed cavity that described hydraulic pressure top cover and described chuck groove form is as oil pocket and fill hydraulic oil.
Wherein, inside and outside two sides, described hydraulic pressure top cover bottom respectively has one group of seal groove, and every group of seal groove comprises at least one seal groove.
Wherein, further comprise: two groups of seal rings, described two groups of seal rings lay respectively in two groups of seal grooves on the inside and outside two sides of described hydraulic pressure top cover, and every group of seal ring comprises at least one seal ring, for sealing the hydraulic oil of described oil pocket.
Wherein, on the end face of described hydraulic pressure top cover, have dismounting tapped hole.
A kind of gear that the embodiment of the present invention provides, comprising: gear mass and elastic conical drogue; Described gear mass center has the columniform folder axis hole for coordinating with axle, has the tapered sleeve groove concentric with described folder axis hole on described gear mass simultaneously, and the radially section of described tapered sleeve groove is taper; Described elastic conical drogue is by described tapered sleeve groove and described gear mass interference fit;
Wherein, described gear mass and described elastic conical drogue are bolted locking, and bolt-locking makes the stressed generation of described folder axis hole dwindle distortion, and described elastic conical drogue is clamped on axle by the distortion of dwindling of described folder axis hole.
Wherein, on described gear mass end face, have bolt hole, have the unthreaded hole coaxial with described bolt hole on described elastic conical drogue end face, described gear mass is connected locking with described elastic conical drogue by the bolt through described bolt hole and described unthreaded hole.
Wherein, described folder axis hole radially has at least one distortion groove.
Wherein, described elastic conical drogue radially has at least one distortion groove.
Wherein, on the end face of described elastic conical drogue, have dismounting tapped hole.
The gear that the embodiment of the present invention provides, by using hydraulic pressure top cover or elastic conical drogue axial locking power to be converted into the radially coupling mechanism force of folder axis hole, utilize the distortion of dwindling of folder axis hole that gear mass is clamped on axle, and between hydraulic pressure top cover or elastic conical drogue and axle, there is no contact surface, the installation and removal of hydraulic pressure top cover or elastic conical drogue all do not have relative movement or friction with axle.In gear installation process, as long as adjust the phase angle of gear mass, gear mass and do not have when hydraulic pressure top cover or elastic conical drogue bolt-locking and axle between relative movement, the phase angle of adjusting can be not destroyed because of bolt-locking, improved positioning precision.
Accompanying drawing explanation
Figure 1 shows that the structural representation of a kind of gear that prior art provides.
Figure 2 shows that the structural representation of the another kind of gear that prior art provides.
Figure 3 shows that the structural representation of a kind of gear that the embodiment of the present invention provides.
Figure 4 shows that the structural representation of a kind of gear that another embodiment of the present invention provides.
Embodiment
For making object, technological scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiments.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment who obtains under creative work prerequisite, belong to the scope of protection of the invention.
Figure 3 shows that the structural representation of a kind of gear that the embodiment of the present invention provides.As shown in Figure 3, this gear comprises: gear mass 31 and hydraulic pressure top cover 32.
On gear mass 31 end faces, have bolt hole 35A, on hydraulic pressure top cover 32 end faces, have the unthreaded hole 35B concentric with bolt hole 35A, bolt 36 through bolt hole 35A and unthreaded hole 35B by gear mass 31 and hydraulic pressure top cover 32 axial lockings; In axial locking process, the hydraulic oil pressurized in oil pocket 37 makes to press from both sides axis hole 33 and produces distortion, thereby gear mass 31 is clamped on axle.
Now, inside and outside two sides, hydraulic pressure top cover 32 bottoms respectively has one group of seal groove 38.Also comprise two groups of seal rings 39 simultaneously, lay respectively in two groups of seal grooves 38 on hydraulic pressure top cover 32 inside and outside two sides, for the hydraulic oil of seal oil chamber 37.Can further guarantee the sealing of hydraulic oil like this, thereby obtain, better clamp effect when hydraulic oil pressurized.
In an embodiment of the present invention, one group of seal groove 38 and one group of seal ring 39 comprise respectively at least one seal groove and at least one seal ring, and each seal groove is realized sealing by a seal ring.
In an embodiment of the present invention, on the end face of hydraulic pressure top cover 32, have for dismantling the dismounting tapped hole 310 of hydraulic pressure top cover 32.
Figure 4 shows that the structural representation of a kind of gear that another embodiment of the present invention provides.As shown in Figure 4, gear mass 41 and elastic conical drogue 42, gear mass 41 centers have the columniform folder axis hole 43 for coordinating with axle, have the tapered sleeve groove 44 concentric with pressing from both sides axis hole 43 on gear mass 41 simultaneously, and the radially section of tapered sleeve groove 44 is taper; Elastic conical drogue 42 is by tapered sleeve groove 44 and gear mass 41 interference fit.
On gear mass 41 end faces, have bolt hole 45A, on elastic conical drogue 42 end faces, have the unthreaded hole 45B concentric with bolt hole 45A, bolt 46 through bolt hole 45A and unthreaded hole 45B by gear mass 41 and elastic conical drogue 42 axial lockings; In locking process, because the radially section of tapered sleeve groove 44 is taper, when elastic conical drogue 42 moves axially by external force, utilize conical surface fastening to make elastic conical drogue 42 and gear mass 41 interference fit, make to press from both sides the stressed generation distortion of axis hole 43, thereby gear mass 41 is clamped on axle.
In an embodiment of the present invention, folder axis hole 43 and elastic conical drogue 42 radially have at least one distortion groove 410, make to press from both sides axis hole 43 and elastic conical drogue 42 has had larger regime of elastic deformation in the process of locking distortion.
In an embodiment of the present invention, on the end face of elastic conical drogue 42, have for dismantling the dismounting tapped hole 411 of elastic conical drogue 42.
Above-described embodiment is only for explanation technical conceive of the present invention and feature, not in order to limit the present invention, within the spirit and principles in the present invention all, any modification of doing, is equal to replacement etc., within all should being included in protection scope of the present invention.
Claims (11)
1. a gear, is characterized in that, comprising: gear mass and hydraulic pressure top cover; Described gear mass center has the columniform folder axis hole for coordinating with axle, has the chuck groove concentric with described folder axis hole on described gear mass simultaneously, and described hydraulic pressure top cover coordinates with described gear mass by described chuck groove; Described chuck groove bottom has oil pocket and fills hydraulic oil;
Wherein, described gear mass and described hydraulic pressure top cover are bolted locking, and bolt-locking makes the hydraulic oil pressurized in described oil pocket cause described folder axis hole generation to dwindle distortion, and described hydraulic pressure top cover is clamped on axle by the distortion of dwindling of described folder axis hole.
2. gear according to claim 1, it is characterized in that, on described gear mass end face, have bolt hole, on described hydraulic pressure top cover end face, have the unthreaded hole coaxial with described bolt hole, described gear mass is connected locking with described hydraulic pressure top cover by the bolt through described bolt hole and described unthreaded hole.
3. gear according to claim 1, is characterized in that, the sealed cavity that described hydraulic pressure top cover and described chuck groove form is as oil pocket and fill hydraulic oil.
4. according to the gear described in claim 1 or 3, it is characterized in that, inside and outside two sides, described hydraulic pressure top cover bottom respectively has one group of seal groove, and every group of seal groove comprises at least one seal groove.
5. gear according to claim 4, it is characterized in that, further comprise: two groups of seal rings, described two groups of seal rings lay respectively in two groups of seal grooves on the inside and outside two sides of described hydraulic pressure top cover, every group of seal ring comprises at least one seal ring, for sealing the hydraulic oil of described oil pocket.
6. gear according to claim 1, is characterized in that, has dismounting tapped hole on the end face of described hydraulic pressure top cover.
7. a gear, is characterized in that, comprising: gear mass and elastic conical drogue; Described gear mass center has the columniform folder axis hole for coordinating with axle, has the tapered sleeve groove concentric with described folder axis hole on described gear mass simultaneously, and the radially section of described tapered sleeve groove is taper; Described elastic conical drogue is by described tapered sleeve groove and described gear mass interference fit;
Wherein, described gear mass and described elastic conical drogue are bolted locking, and bolt-locking makes the stressed generation of described folder axis hole dwindle distortion, and described elastic conical drogue is clamped on axle by the distortion of dwindling of described folder axis hole.
8. gear according to claim 7, it is characterized in that, on described gear mass end face, have bolt hole, have the unthreaded hole coaxial with described bolt hole on described elastic conical drogue end face, described gear mass is connected locking with described elastic conical drogue by the bolt through described bolt hole and described unthreaded hole.
9. gear according to claim 7, is characterized in that, described folder axis hole radially has at least one distortion groove.
10. gear according to claim 7, is characterized in that, described elastic conical drogue radially has at least one distortion groove.
11. gears according to claim 7, is characterized in that, have dismounting tapped hole on the end face of described elastic conical drogue.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310611634.6A CN103615515B (en) | 2013-11-26 | 2013-11-26 | A kind of gear |
| PCT/CN2014/086306 WO2015035926A1 (en) | 2013-09-13 | 2014-09-11 | Compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310611634.6A CN103615515B (en) | 2013-11-26 | 2013-11-26 | A kind of gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103615515A true CN103615515A (en) | 2014-03-05 |
| CN103615515B CN103615515B (en) | 2018-05-22 |
Family
ID=50166228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310611634.6A Expired - Fee Related CN103615515B (en) | 2013-09-13 | 2013-11-26 | A kind of gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103615515B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413011A (en) * | 2018-05-17 | 2018-08-17 | 济南大学 | A kind of composite polymer gear |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2158006Y (en) * | 1992-10-27 | 1994-03-02 | 霖晔股份有限公司 | Reinforcing bar connecting device |
| CN2345314Y (en) * | 1998-03-04 | 1999-10-27 | 平顶山煤业(集团)有限责任公司技术中心 | Hydraulic clamping device |
| JP2003003808A (en) * | 2001-06-25 | 2003-01-08 | Hitachi Unisia Automotive Ltd | Valve timing controller for internal combustion engine |
| US20030145811A1 (en) * | 2000-08-17 | 2003-08-07 | Georg Mallebrein | Connection between a stem end on a gas exchange valve in an internal combustion engine and a sleeve-like actuator body of a valve actuator |
| EP1629937A1 (en) * | 2004-08-26 | 2006-03-01 | Schunk GmbH & Co. KG Spann- und Greiftechnik | Method for connecting two components and component system for implementing the method |
| CN102619889A (en) * | 2011-01-31 | 2012-08-01 | 西门子电机有限公司 | Clamping device for fixing a hollow shaft or a hub to a shaft |
| CN103121170A (en) * | 2011-11-21 | 2013-05-29 | 徐州市恒基伟业建材发展有限公司 | Clamping tool for cylinder-type workpiece |
-
2013
- 2013-11-26 CN CN201310611634.6A patent/CN103615515B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2158006Y (en) * | 1992-10-27 | 1994-03-02 | 霖晔股份有限公司 | Reinforcing bar connecting device |
| CN2345314Y (en) * | 1998-03-04 | 1999-10-27 | 平顶山煤业(集团)有限责任公司技术中心 | Hydraulic clamping device |
| US20030145811A1 (en) * | 2000-08-17 | 2003-08-07 | Georg Mallebrein | Connection between a stem end on a gas exchange valve in an internal combustion engine and a sleeve-like actuator body of a valve actuator |
| JP2003003808A (en) * | 2001-06-25 | 2003-01-08 | Hitachi Unisia Automotive Ltd | Valve timing controller for internal combustion engine |
| EP1629937A1 (en) * | 2004-08-26 | 2006-03-01 | Schunk GmbH & Co. KG Spann- und Greiftechnik | Method for connecting two components and component system for implementing the method |
| CN102619889A (en) * | 2011-01-31 | 2012-08-01 | 西门子电机有限公司 | Clamping device for fixing a hollow shaft or a hub to a shaft |
| CN103121170A (en) * | 2011-11-21 | 2013-05-29 | 徐州市恒基伟业建材发展有限公司 | Clamping tool for cylinder-type workpiece |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413011A (en) * | 2018-05-17 | 2018-08-17 | 济南大学 | A kind of composite polymer gear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103615515B (en) | 2018-05-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101315104B (en) | Hydraulic tensioning clamper and shaft | |
| CN202763670U (en) | External grinding machining tool for hollow shafts | |
| CN104625765A (en) | High-precision micro-miniature air static-pressure rotary table | |
| CN104981306B (en) | Formwork | |
| CN105829846A (en) | Force sensor for manually operated or pneumatic presses | |
| CN203853812U (en) | Centering clamping device for thin-walled parts | |
| CN201102162Y (en) | Cluster mill backing cloth bearing grinding clamper | |
| CN201000386Y (en) | Dynamic balance device of axle coupler | |
| CN102226456B (en) | Shaft sleeve assembly, positioning assembly, process equipment and dismounting method of shaft sleeve assembly | |
| CN103615515A (en) | Gear | |
| CN104439546A (en) | Axial floating positioning mandrel clamp | |
| CN201693411U (en) | Hydraulic centering fixture | |
| CN204784182U (en) | Slide bearing with adjustable clearance | |
| CN202381687U (en) | Sealing device of gas tank and gas tank | |
| CN203918764U (en) | Big-block engine crankshaft grinding machine fixture | |
| CN202639796U (en) | Pre-tightening locking device for clamping parts on shaft | |
| CN203023315U (en) | Novel coupler | |
| CN102909575A (en) | Processing tool for outer cylinder of stainless steel pump | |
| CN205148067U (en) | Emery wheel chuck of precision roll bistrique of high emery wheel linear velocity | |
| CN201824239U (en) | Deep hole grinding motorized spindle | |
| CN209818473U (en) | Conical surface radial displacement tensioning device | |
| CN105328569A (en) | Grinding wheel chuck of high-speed precise roller grinding head | |
| CN211588547U (en) | Umbrella-shaped live center device for precisely adding large hollow pipe fitting | |
| CN103032441B (en) | Locking device | |
| CN207746892U (en) | A kind of mechanical main shaft of grinding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 Termination date: 20211126 |