CN104806709A - Novel gearbox - Google Patents
Novel gearbox Download PDFInfo
- Publication number
- CN104806709A CN104806709A CN201510196178.2A CN201510196178A CN104806709A CN 104806709 A CN104806709 A CN 104806709A CN 201510196178 A CN201510196178 A CN 201510196178A CN 104806709 A CN104806709 A CN 104806709A
- Authority
- CN
- China
- Prior art keywords
- gear
- speed gear
- tooth
- grade
- low
- 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.)
- Pending
Links
Classifications
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- 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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/002—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having teeth movable out of mesh
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- 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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
- F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
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- 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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
- F16H3/38—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with synchro-meshing
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- 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
Abstract
The invention discloses a novel gearbox, comprising an output shaft, a gear sleeve, a low-speed gear, a high-speed gear, a shifting fork and a lockpin type inertia synchronizer; the gear sleeve is arranged on the middle part of the output shaft and is meshed with the output shaft by teeth; the high-speed gear and the low-speed gear are arranged on the output shaft at intervals; the lockpin type inertia synchronizer is located between the high-speed gear and the low-speed gear; the lockpin type inertia synchronizer is arranged on the output shaft in a sleeving manner, and is matched with the high-speed gear and the low-speed gear respectively in the manner that the lockpin type inertia synchronizer can be moved left and right; the shifting fork is fixedly connected with the lockpin type inertia synchronizer and drives the lockpin type inertia synchronizer to move left and right; detachable left and right end covers are respectively arranged on the left end surface of the low-speed gear and the right end surface of the high-speed gear; a left idling combination is arranged between the left end cover and the left end surface of the gear sleeve; the left idling combination is respectively connected with the output shaft and the low-speed gear; a right idling combination is arranged between the right end cover and the right end surface of the gear sleeve; the right idling combination is respectively connected with the output shaft and the high-speed gear.
Description
Technical field
The present invention relates to fixed shaft type synchronous dynamic shift transmission field, refer to a kind of novel gearbox specifically.
Background technique
In current wheel excavator, fixed axle gearbox will realize gear shift of not stopping, Powershift transmission will be adopted, two kinds of forms below the structure of this case: a kind of is the switching adopting train planet to realize height gear, another kind is that fixed shaft type installs sensor additional, more supporting special hydraulic system realizes the switching of height gear.Above-mentioned two kinds of form structures are comparatively complicated, and technical difficulty is large, and cost is high, is not suitable for applying.
At present, what wheel excavator employing was more is the fixed axle gearbox not being equipped with sensor and hydraulic system, but this fixed axle gearbox can exist following shortcoming: one is the switching that excavator cannot carry out gear in the process of moving, gear shift of must stopping; Two is when parking gear shift, because the rotating speed of high low speed gear can not be consistent, causes gear shift to have some setbacks, can cause between two teeth and beat the phenomenon such as tooth, biting teeth, thus make two gear wears serious.
Summary of the invention
The present invention is to provide a kind of novel gearbox, its main purpose is that the fixed axle gearbox overcome in existing excavator must stop when gear switch gear shift and gear wear is serious when parking gear shift problem.
In order to solve above-mentioned technical problem, the present invention adopts following technological scheme:
A kind of novel gearbox, comprise two axles, tooth cover, low speed gear, high gear, shift fork and lockpin-type inertia synchronizer, described tooth cover is sheathed on the middle part of two axles and is engaged by tooth with two axles, described height, low speed gear compartment of terrain is arranged on two axles, described lockpin-type inertia synchronizer is between low speed gear and high gear, this lockpin-type inertia synchronizer to be sheathed on two axles and can be left, coordinate with low speed gear and high gear respectively with moving right, described shift fork is fixedly connected with lockpin-type inertia synchronizer and drives lockpin-type inertia synchronizer left, move right, the left side of described low speed gear is provided with dismountable left end cap, the right side of described high gear is provided with dismountable right end cap, left idle running combination is provided with between the left side of described left end cap and tooth cover, this left idle running combination is connected with two axles and low speed gear respectively, right idle running combination is provided with between the right side of described right end cap and tooth cover, this right idle running combination is connected with two axles and high gear respectively.
Further, described lockpin-type inertia synchronizer comprises high-grade conical ring, low shift prick ring, high-grade lock pin, low-grade lock pin and can be left, the sliding gear collar moved right, this sliding gear collar is between high-grade conical ring and low shift prick ring, one end of described high-grade lock pin is fixedly connected with high-grade conical ring, its the other end is through sliding gear collar, one end of described low-grade lock pin is fixedly connected with low shift prick ring, its the other end is passed sliding gear collar and is connected by spring with high-grade conical ring, described high gear is provided with male cone (strobilus masculinus), the inner peripheral surface of described high-grade conical ring is provided with the high-grade friction belt suitable with male cone (strobilus masculinus), described low speed gear is provided with inner conical surface, the outer circumferential face of described low shift prick ring is provided with the low-grade friction belt suitable with inner conical surface, described sliding gear collar overlaps with tooth and engages, described sliding gear collar is provided with a left side, right outside tooth, described low speed gear is provided with the left inside tooth that can engage with left outside tooth, described high gear is provided with the right inside tooth that can engage with right outside tooth.
Further, described left and right idle running combination includes idle running ring and outer circumferential face is provided with the gear piece of tooth, described idle running ring is fixedly connected with two axles, described gear piece is sheathed on the outer circumferential face of idle running ring, the inner peripheral surface of described low speed gear and high gear is also equipped with tooth, and described gear piece engages with low speed gear and high gear.
From the above-mentioned description of this invention, compared to the prior art, tool of the present invention has the following advantages:
1, described lockpin-type inertia synchronizer can realize carrying out synchronously when gear switch to the rotating speed of high, low speed gear, increase substantially smoothness and the stationarity of gear shift, achieve the gear shift of not stopping of excavator, solve existing fixed axle gearbox when gear shift high gear and low speed gear because beating tooth, biting teeth and the serious problem of the gear wear caused.
2, described lockpin-type inertia synchronizer its structure when realizing not stopping gear shift is comparatively simple, and low cost, be applicable to apply widely in excavator field.
3, adopt the form of end cap and tooth cover to fix high, low speed gear, when guaranteeing that two axles can normally work, high, low speed gear easily being dismantled, facilitating maintenance and the detection of technician.
4, described left and right idle running combination can guarantee in high, low speed gear one operationally another is in idling conditions, and the manufacture difficulty of idle running ring and gear piece is little, cost is low.
Accompanying drawing explanation
Fig. 1 is half sectional view of the present invention;
Fig. 2 is the sectional drawing that lockpin-type inertia synchronizer of the present invention coordinates with high, low speed gear.
Embodiment
With reference to Fig. 1.A novel gearbox, comprises two axles 1, tooth cover 2, low speed gear 3, high gear 4, shift fork 5 and lockpin-type inertia synchronizer 6.Described tooth cover 2 is located at the middle part of two axles 1 and is engaged by tooth with two axles 1, and described low speed gear 3 and high gear 4 compartment of terrain are arranged on two axles 1.Described lockpin-type inertia synchronizer 6 is between low speed gear 3 and high gear 4, this lockpin-type inertia synchronizer 6 to be sheathed on two axles 1 and can left and rightly to coordinate with low speed gear 3 and high gear 4 respectively movably, and described shift fork 5 is fixedly connected with lockpin-type inertia synchronizer 6 and drives the left and right movement of lockpin-type inertia synchronizer 6.The left side of described low speed gear 3 is provided with dismountable left end cap 7, and the right side of described high gear 4 is provided with dismountable right end cap 8.Left idle running combination 9 is provided with between the left side of described left end cap 7 and tooth cover 2, this left idle running combination 9 is connected with two axles 1 and low speed gear 3 respectively, be provided with right idle running combination 10 between the right side of described right end cap 8 and tooth cover 2, this right idle running combination 10 is connected with two axles 1 and high gear 4 respectively.
See figures.1.and.2.Described lockpin-type inertia synchronizer 6 comprises high-grade conical ring 61, low shift prick ring 62, high-grade lock pin 63, low-grade lock pin 64 and can the sliding gear collar 65 of left and right movement.This sliding gear collar 65 is between high-grade conical ring 61 and low shift prick ring 62, one end of described high-grade lock pin 63 is fixedly connected with high-grade conical ring 61, its the other end is through sliding gear collar 65, one end of described low-grade lock pin 64 is fixedly connected with low shift prick ring 62, and its other end is passed sliding gear collar 65 and is connected by spring 68 elasticity with high-grade conical ring 61.Described high gear 4 is provided with male cone (strobilus masculinus) 41, the inner peripheral surface of described high-grade conical ring 61 is provided with the high-grade friction belt 66 suitable with male cone (strobilus masculinus) 41, described low speed gear 3 is provided with inner conical surface 31, and the outer circumferential face of described low shift prick ring 62 is provided with the low-grade friction belt 67 suitable with inner conical surface 31.Described sliding gear collar 65 and tooth overlap 2 and sheathedly to engage, described sliding gear collar 65 is provided with left outside tooth 651 and right outside tooth 652, described low speed gear 3 is provided with the left inside tooth 32 that can engage with left outside tooth 651, and described high gear 4 is provided with the right inside tooth 42 that can engage with right outside tooth 652.Described high-grade lock pin 63 and low-grade lock pin 64 are equipped with chamfering 631, and described sliding gear collar 65 is provided with the pin-and-hole chamfering 655 suitable with the chamfering of high-grade lock pin 63 and low-grade lock pin 64.
With reference to Fig. 1.Described left idle running combination 9 and right idle running combination 10 include idle running ring 91 and outer circumferential face is provided with the gear piece 92 of tooth.Described idle running ring 91 is fixedly connected with two axles 1, and described gear piece 92 is sheathed on the outer circumferential face of idle running ring 91, and the inner peripheral surface of described low speed gear 3 and high gear 4 is also equipped with tooth, and described gear piece 92 engages with low speed gear 3 and high gear 4.Described left idle running combination 9 and right idle running combination 10 can guarantee in high gear 4 and low speed gear 3 one operationally, and another is in idling conditions.When lockpin-type inertia synchronizer 6 and high gear 4 are at cooperating, due to idle running ring 91 be fixedly connected with two axles 1, gear piece 92 be sheathed on dally on the outer circumferential face of ring 91, gear piece 92 engages with low speed gear 3, therefore when two axles 1 are when rotating, dally between idle running ring 91 and gear piece 92, thus low speed gear 3 and two axles 1 are dallied, extend the working life of low speed gear 3.In like manner, operationally, high gear 4 and two axles 1 dally low speed gear 3.
See figures.1.and.2.Working principle of the present invention is as follows: during speed change, sliding gear collar 65 drives high-grade lock pin 63 or low-grade lock pin 64 to move together, promote high-grade conical ring 61 or low shift prick ring 62 contacts with male cone (strobilus masculinus) 41 or inner conical surface 31 respectively, the two just produces friction torque due to the existence of high-grade friction belt 66 or low-grade friction belt 67 once contact.After high-grade conical ring 61 or low shift prick ring 62 contact with male cone (strobilus masculinus) 41 or inner conical surface 31, because sliding gear collar 65 has the effect of berth-changing strength, make the chamfering 631 of high-grade lock pin 63 or low-grade lock pin 64 inconsistent with corresponding pin-and-hole chamfering 655, left outside tooth 651 can not be engaged with right inside tooth 42 with left inside tooth 32 or right outside tooth 652, and make to there is positive pressure between high-grade conical ring 61 or low shift prick ring 62 and male cone (strobilus masculinus) 41 or inner conical surface 31 and produce friction torque, the direction of tangential force produces ring moment.Along with the continuation effect of shift fork 5 berth-changing strength, when friction torque equals moment of inertia, input end is equal with the angular velocity of output terminal, thus achieve synchronous, now high-grade lock pin 63 or low-grade lock pin 64 turn over an angle relative to sliding gear collar 65 and realize gear shift, and left outside tooth 651 engages with right inside tooth 42 with left inside tooth 32 or right outside tooth 652.
Above are only the specific embodiment of the present invention, but design concept of the present invention is not limited thereto, all changes utilizing this design the present invention to be carried out to unsubstantiality, all should belong to the behavior of invading scope.
Claims (3)
1. a novel gearbox, it is characterized in that: comprise two axles, tooth cover, low speed gear, high gear, shift fork and lockpin-type inertia synchronizer, described tooth is sheathed on the middle part of two axles and is engaged by tooth with two axles, described height, low speed gear compartment of terrain is arranged on two axles, described lockpin-type inertia synchronizer is between low speed gear and high gear, this lockpin-type inertia synchronizer to be sheathed on two axles and can be left, coordinate with low speed gear and high gear respectively with moving right, described shift fork is fixedly connected with lockpin-type inertia synchronizer and drives lockpin-type inertia synchronizer left, move right, the left side of described low speed gear is provided with dismountable left end cap, the right side of described high gear is provided with dismountable right end cap, left idle running combination is provided with between the left side of described left end cap and tooth cover, this left idle running combination is connected with two axles and low speed gear respectively, right idle running combination is provided with between the right side of described right end cap and tooth cover, this right idle running combination is connected with two axles and high gear respectively.
2. a kind of novel gearbox as claimed in claim 1, it is characterized in that: described lockpin-type inertia synchronizer comprises high-grade conical ring, low shift prick ring, high-grade lock pin, low-grade lock pin and can be left, the sliding gear collar moved right, this sliding gear collar is between high-grade conical ring and low shift prick ring, one end of described high-grade lock pin is fixedly connected with high-grade conical ring, its the other end is through sliding gear collar, one end of described low-grade lock pin is fixedly connected with low shift prick ring, its the other end is passed sliding gear collar and is connected by spring with high-grade conical ring, described high gear is provided with male cone (strobilus masculinus), the inner peripheral surface of described high-grade conical ring is provided with the high-grade friction belt suitable with male cone (strobilus masculinus), described low speed gear is provided with inner conical surface, the outer circumferential face of described low shift prick ring is provided with the low-grade friction belt suitable with inner conical surface, described sliding gear collar overlaps with tooth and engages, described sliding gear collar is provided with a left side, right outside tooth, described low speed gear is provided with the left inside tooth that can engage with left outside tooth, described high gear is provided with the right inside tooth that can engage with right outside tooth.
3. a kind of novel gearbox as claimed in claim 1, it is characterized in that: described left and right idle running combination includes idle running ring and outer circumferential face is provided with the gear piece of tooth, described idle running ring is fixedly connected with two axles, described gear piece is sheathed on the outer circumferential face of idle running ring, the inner peripheral surface of described low speed gear and high gear is also equipped with tooth, and described gear piece engages with low speed gear and high gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196178.2A CN104806709A (en) | 2015-04-23 | 2015-04-23 | Novel gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196178.2A CN104806709A (en) | 2015-04-23 | 2015-04-23 | Novel gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104806709A true CN104806709A (en) | 2015-07-29 |
Family
ID=53691805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510196178.2A Pending CN104806709A (en) | 2015-04-23 | 2015-04-23 | Novel gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104806709A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112591622A (en) * | 2021-03-05 | 2021-04-02 | 新乡纷呈机械科技有限公司 | Crane for pulley load hanging element and using method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1764335A (en) * | 1927-09-22 | 1930-06-17 | Howard J Murray | Resilient synchronizer |
| CN2473027Y (en) * | 2001-04-16 | 2002-01-23 | 陕西汽车齿轮总厂 | Double middle shaft automobile speed changer |
| CN2642564Y (en) * | 2003-09-12 | 2004-09-22 | 海南玉柴机器有限责任公司 | Heavy-duty automobile transmission |
| CN202158114U (en) * | 2011-07-27 | 2012-03-07 | 武汉精密同创机械有限公司 | Synchronizer structure of lock pin |
| KR101375588B1 (en) * | 2006-09-15 | 2014-03-17 | 술저 프릭션 시스템즈 (저머니) 게엠베하 | A synchronizer ring |
| CN204664315U (en) * | 2015-04-23 | 2015-09-23 | 泉州鑫豪工程机械科技有限公司 | A kind of novel gearbox |
-
2015
- 2015-04-23 CN CN201510196178.2A patent/CN104806709A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1764335A (en) * | 1927-09-22 | 1930-06-17 | Howard J Murray | Resilient synchronizer |
| CN2473027Y (en) * | 2001-04-16 | 2002-01-23 | 陕西汽车齿轮总厂 | Double middle shaft automobile speed changer |
| CN2642564Y (en) * | 2003-09-12 | 2004-09-22 | 海南玉柴机器有限责任公司 | Heavy-duty automobile transmission |
| KR101375588B1 (en) * | 2006-09-15 | 2014-03-17 | 술저 프릭션 시스템즈 (저머니) 게엠베하 | A synchronizer ring |
| CN202158114U (en) * | 2011-07-27 | 2012-03-07 | 武汉精密同创机械有限公司 | Synchronizer structure of lock pin |
| CN204664315U (en) * | 2015-04-23 | 2015-09-23 | 泉州鑫豪工程机械科技有限公司 | A kind of novel gearbox |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112591622A (en) * | 2021-03-05 | 2021-04-02 | 新乡纷呈机械科技有限公司 | Crane for pulley load hanging element and using method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20150729 |