CN105156655A - Gears operating mechanism of loader-digger - Google Patents
Gears operating mechanism of loader-digger Download PDFInfo
- Publication number
- CN105156655A CN105156655A CN201510339257.4A CN201510339257A CN105156655A CN 105156655 A CN105156655 A CN 105156655A CN 201510339257 A CN201510339257 A CN 201510339257A CN 105156655 A CN105156655 A CN 105156655A
- Authority
- CN
- China
- Prior art keywords
- rod
- flexible axle
- gearbox
- fixed plate
- digger
- 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
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/0278—Constructional features of the selector lever, e.g. grip parts, mounting or manufacturing
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H2059/0239—Up- and down-shift or range or mode selection by repeated movement
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention discloses a gears operating mechanism of a loader-digger. The mechanism comprises a steering column, a flexible shaft shifter, a gearbox shifting valve rod, and a valve seat. The flexible shaft shifter is fixed on the body of the steering column. The flexible shaft shifter operates the gearbox shifting valve rod which is fixed on the valve seat, to realize gear shifting of a whole machine. The flexible shaft shifter is connected with the gearbox shifting valve rod through a flexible shaft, a transition rod, and a pull rod in sequence. A flexible shaft guide sleeve on the end of the flexible shaft, and the transition rod are respectively installed on a support. The support is fixed on the valve seat. The end of the flexible shaft is hinged with one end of the transition rod. The transition rod and the support are hinged on the middle part of the transition rod. Two ends of the pull rod are respectively hinged with the other end of the transition rod and the gearbox shifting valve rod. Beneficial effects are that the gears operating mechanism can be applied in a gearbox of a loader-digger whose structure is compact, and the gears operating mechanism can realize stable and reliable shifting speed-changing control. The gears operating mechanism is simple in structure and low in manufacturing cost.
Description
Technical field
The present invention relates to a kind of control mechanism of gear shifting of construction machinery product, particularly a kind ofly to advance for manipulating loader-digger, retreat and the control mechanism of gear shifting of loader-digger of advance gear, belong to technical field of engineering machinery.
Background technique
Loader-digger is a kind of Versatile Construction Machinery integrating loading and data mining duty, is therefore commonly called as " hurrying in two ".Loader-digger mainly comprises work system and running gear two Iarge-scale system, and running gear realizes the switching of the gear of system by the control gear of operating mechanism control gearbox.
Current engineering machinery main flow is control mechanism of gear shifting is three classes, one class is integral switch and electromagnetic valve, utilizes plurality of electromagnetic valve, and one group controls forward-reverse, control the clutch of gearbox additionally by several solenoid valve combination respectively, realize the switching between different gear.Equations of The Second Kind is that mechanical linkage controls, and stirs gear shift fork, realize the switching of different gear by mechanical linkage.3rd class is combined type, electromagnetic valve forward-reverse, and mechanical linkage controls gear switch.But loader-digger due to structure closely, gearbox is all adopt the first kind or the 3rd class to realize the forward-reverse of machine and gear switch.The gearbox of the compact type of current main flow be all mechanical handling there is the problems such as cost is high, rate of fault is high by electromagnetic valve gearbox.
Summary of the invention
The object of this invention is to provide the control mechanism of gear shifting of simple, the handling reliable and stable loader-digger of a kind of structure.
Technological scheme: a kind of control mechanism of gear shifting of loader-digger, comprises steering column, flexible axle selector, gearbox shifting valve rod and valve seat; Described flexible axle selector is fixed on the body of steering column; The flexible axle selector manipulation gearbox shifting valve rod be fixed on valve seat realizes the gearshift of complete machine; Described flexible axle selector is connected with gearbox shifting valve rod with pull bar by flexible axle, transiting rod successively, and the flexible axle guide sleeve of described flexible axle end and transiting rod are distinguished rack-mount, and described support is fixed on valve seat; End and transiting rod one end of described flexible axle are hinged, and described transiting rod and support are articulated with in the middle part of transiting rod, described pull bar two ends respectively with the other end of transiting rod and gearbox shifting valve rod hinged.
Flexible axle selector is a kind of general flexible shaft manipulation mechanism, and operation handle pushes away forward, and flexible axle end inwardly shrinks.Operation handle pulls back, and flexible axle end is protruding.Flexible axle selector handle end is fixed on the cylinder of steering column, and the guide sleeve of flexible axle end is fixed on support by nut, and the core of flexible axle end connects and needs in the mechanism of push-and-pull.Flexible axle selector handle driven forward, flexible axle core body pulls forward.By pulling transiting rod.By being hingedly fixed on support in the middle of transiting rod, transiting rod and support just constitute a leverage.The transiting rod the other end around fulcrum, pushing drawing rod backward.Pull bar promotes gearbox shifting valve rod and moves backward, realizes gear switch.
The design of flexible axle selector is in the below of steering wheel, and handle sets successively and is defined as 4 positions from rearmost to forefront, and be retreat shelves respectively, neutral, advances one grade, advance second gear.Ergonomically requirement, forward gear during forward motion is retreat shelves backward.
Due to the structural limitations of gearbox, the manipulation of gearbox control valve be gearbox shifting valve rod from outermost end to innermost end, be reverse gear respectively, neutral, advances one grade, advance second gear.Gearbox shifting valve rod is steel ball location type, and there is steel ball positioning means four working positions of gearbox shifting valve rod.Flexible shaft manipulation, to corresponding position, has obvious gearbox shifting valve rod to locate.
The effect of connecting rod, transiting rod and support form leverage, and transiting rod movement locus is circular movement, and gearbox shifting valve rod is straight line motion.Flexible axle motion adapts to the circular movement of transiting rod by flexible axle self-deformation, the connection of gearbox shifting valve rod and transiting rod needs two ends to be all that hinged pull bar realizes, and is coupled together by the straight line motion of the circular movement of transiting rod and gearbox shifting valve rod.
Leverage effect, changes stroke and the active force at moving direction and adjustment lever two ends.In mechanism, leverage changes the moving direction of drawing back that the movement locus drawn forward of flexible axle is gearbox shifting valve rod.The motion of gearbox shifting valve rod Long Distances is reduced by lever ratio by mechanism simultaneously, and the stroke of the movement travel and gearbox shifting valve rod that ideally achieve flexible axle coordinates.
Preference, in order to avoid operating mechanism clamping stagnation, described support comprises flexible axle fixed plate, filtering rod fitting seat and fixed plate, and described flexible axle fixed plate is fixedly connected with fixed plate respectively with filtering rod fitting seat, the planes overlapping that the center line of described flexible axle guide sleeve and transiting rod swing.
Preference, the conveniently debugging of mechanism, the position of described flexible axle fixed plate being installed flexible axle guide sleeve is provided with U-groove bevel.Due to meeting product error in manufacturing process, in order to make up error, flexible axle needs to adjust up and down, and its working plane is overlapped with the plane of movement of linkage mechanism.
Preference, consistent with indicative mark in order to ensure the working position of each gear of flexible shaft manipulation handle, described fixed plate is mounted by means of bolts on valve seat, and described fixed plate is provided with the microscler threaded mounting hole along gearbox shifting stem movement direction.By the front and back position of adjusting pole, transiting rod and pull bar initial makeup location are consistent.
Beneficial effect: the present invention can be applied to the gearbox of the loader-digger of compact structure, realizes reliablely and stablely shift speed change and handles; And structure of the present invention is simple, low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, a kind of control mechanism of gear shifting of loader-digger, comprises steering column 1, flexible axle selector 2, gearbox shifting valve rod 3 and valve seat 4; Described flexible axle selector 2 is fixed on the body of steering column 1; Flexible axle selector 2 manipulates the gearshift that the gearbox shifting valve rod 3 be fixed on valve seat 4 realizes complete machine; Described flexible axle selector 2 is connected with gearbox shifting valve rod 3 with pull bar 7 by flexible axle 5, transiting rod 6 successively, and flexible axle guide sleeve 51 and the transiting rod 6 of described flexible axle 5 end are arranged on support 8 respectively, and described support 8 is fixed on valve seat 4; End and transiting rod 6 one end of described flexible axle 5 are hinged, and described transiting rod 6 and support 8 are articulated with in the middle part of transiting rod 6, described pull bar 7 two ends respectively with the other end of transiting rod 6 and gearbox shifting valve rod 3 hinged.
In order to avoid operating mechanism clamping stagnation, described support 8 comprises flexible axle fixed plate 81, filtering rod fitting seat 82 and fixed plate 83, described flexible axle fixed plate 81 is fixedly connected with fixed plate 83 respectively with filtering rod fitting seat 82, the planes overlapping that the center line of described flexible axle guide sleeve 51 and transiting rod 6 swing.
The conveniently debugging of mechanism, the position of described flexible axle fixed plate 81 being installed flexible axle guide sleeve 51 is provided with U-groove bevel.Due to meeting product error in manufacturing process, in order to make up error, flexible axle needs to adjust up and down, and its working plane is overlapped with the plane of movement of linkage mechanism.
Consistent with indicative mark in order to ensure the working position of each gear of flexible shaft manipulation handle, described fixed plate 83 is mounted by means of bolts on valve seat 4, and described fixed plate 83 is provided with the microscler threaded mounting hole along gearbox shifting valve rod 3 moving direction.By the front and back position of adjusting pole 8, transiting rod 6 and pull bar 7 initial makeup location are consistent.
Flexible axle selector 2 is a kind of general flexible shaft manipulation mechanisms, and operation handle pushes away forward, and flexible axle end inwardly shrinks.Operation handle pulls back, and flexible axle end is protruding.Flexible axle selector 2 handle end is fixed on the cylinder of steering column 1, and the guide sleeve 51 of flexible axle end is fixed on support 8 by nut, and the core of flexible axle 5 end connects and needs in the mechanism of push-and-pull.Flexible axle selector 2 handle driven forward, flexible axle 5 core body pulls forward.By pulling transiting rod 6.By being hingedly fixed on support 8 in the middle of transiting rod 6, transiting rod 6 and support 8 just constitute a leverage.Transiting rod 6 the other end around fulcrum, pushing drawing rod backward.Pull bar promotes gearbox shifting valve rod 3 and moves backward, realizes gear switch.
Flexible axle selector 2 designs the below at steering wheel, and handle sets successively and is defined as 4 positions from rearmost to forefront, is respectively to retreat shelves, and neutral, advances one grade, advance second gear.Ergonomically requirement, forward gear during forward motion is retreat shelves backward.
Due to the structural limitations of gearbox, the manipulation of gearbox control valve be gearbox shifting valve rod 3 from outermost end to innermost end, be reverse gear respectively, neutral, advances one grade, advance second gear.Gearbox shifting valve rod 3 is steel ball location type, and there is steel ball positioning means four working positions of gearbox shifting valve rod 3.Flexible shaft manipulation, to corresponding position, has obvious gearbox shifting valve rod 3 to locate.
The effect of connecting rod, transiting rod 6 and support 8 form leverage, and transiting rod 6 movement locus is circular movement, and gearbox shifting valve rod 3 is straight line motion.Flexible axle 5 moves and adapts to the circular movement of transiting rod 6 by flexible axle 5 self-deformation, the connection of gearbox shifting valve rod 3 end and transiting rod 6 needs two ends to be all that hinged pull bar realizes, and is coupled together by the straight line motion of the circular movement of transiting rod 6 and gearbox shifting valve rod 3.
Leverage effect, changes stroke and the active force at moving direction and adjustment lever two ends.In mechanism, leverage changes the moving direction of drawing back that the movement locus drawn forward of flexible axle 5 is gearbox shifting valve rod 3 end.The motion of gearbox shifting valve rod 3 end Long Distances is reduced by lever ratio by mechanism simultaneously, and the stroke of the movement travel and gearbox shifting valve rod 3 that ideally achieve flexible axle 5 coordinates.
In addition to the implementation, the present invention can also have other mode of executions, and all employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop in the protection domain of application claims.
Claims (4)
1. a control mechanism of gear shifting for loader-digger, comprises steering column (1), flexible axle selector (2), gearbox shifting valve rod (3) and valve seat (4); Described flexible axle selector (2) is fixed on the body of steering column (1); Flexible axle selector (2) the manipulation gearbox shifting valve rod (3) be fixed on valve seat (4) realizes the gearshift of complete machine; It is characterized in that: described flexible axle selector (2) is connected with gearbox shifting valve rod (3) with pull bar (7) by flexible axle (5), transiting rod (6) successively, the flexible axle guide sleeve (51) of described flexible axle (5) end and transiting rod (6) are arranged on support (8) respectively, and described support (8) is fixed on valve seat (4); End and transiting rod (6) one end of described flexible axle (5) are hinged, described transiting rod (6) and support (8) are articulated with transiting rod (6) middle part, described pull bar (7) two ends respectively with the other end of transiting rod (6) and gearbox shifting valve rod (3) hinged.
2. the control mechanism of gear shifting of loader-digger as claimed in claim 1, it is characterized in that: described support (8) comprises flexible axle fixed plate (81), filtering rod fitting seat (82) and fixed plate (83), described flexible axle fixed plate (81) is fixedly connected with fixed plate (83) respectively with filtering rod fitting seat (82), the planes overlapping that the center line of described flexible axle guide sleeve (51) and transiting rod (6) swing.
3. the control mechanism of gear shifting of loader-digger as claimed in claim 2, is characterized in that: the upper position of installing flexible axle guide sleeve (51) of described flexible axle fixed plate (81) is provided with U-groove bevel.
4. the control mechanism of gear shifting of loader-digger as claimed in claim 2 or claim 3, it is characterized in that: described fixed plate (83) is mounted by means of bolts on valve seat (4), and described fixed plate (83) is provided with the microscler threaded mounting hole along gearbox shifting valve rod (3) moving direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510339257.4A CN105156655A (en) | 2015-06-18 | 2015-06-18 | Gears operating mechanism of loader-digger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510339257.4A CN105156655A (en) | 2015-06-18 | 2015-06-18 | Gears operating mechanism of loader-digger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105156655A true CN105156655A (en) | 2015-12-16 |
Family
ID=54797626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510339257.4A Pending CN105156655A (en) | 2015-06-18 | 2015-06-18 | Gears operating mechanism of loader-digger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105156655A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084018A (en) * | 2018-09-27 | 2018-12-25 | 广西柳工机械股份有限公司 | Shift valve rod position control and engineering machinery vehicle |
| CN110985649A (en) * | 2019-12-19 | 2020-04-10 | 盛瑞传动股份有限公司 | Motor electronic gear shifting device and automobile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4158969A (en) * | 1977-10-07 | 1979-06-26 | Steyr-Daimler-Puch Aktiengesellschaft | Shifting mechanism for motor vehicle transmission |
| CN101831934A (en) * | 2010-04-09 | 2010-09-15 | 徐州徐工特种工程机械有限公司 | Flexible shaft connecting link mechanism for double-accelerator control |
| CN201835313U (en) * | 2010-08-27 | 2011-05-18 | 江苏柳工机械有限公司 | Operating device of sliding steering loader |
| CN103574008A (en) * | 2013-10-10 | 2014-02-12 | 徐州徐工特种工程机械有限公司 | Loader-digger gear shifting operating rod |
| CN203514376U (en) * | 2013-08-22 | 2014-04-02 | 泰安海松机械有限公司 | Mechanical operating control device of operating mechanism in skid steer loader |
| CN204784644U (en) * | 2015-06-18 | 2015-11-18 | 江苏柳工机械有限公司 | Gear operating mechanism of loaderdigger |
-
2015
- 2015-06-18 CN CN201510339257.4A patent/CN105156655A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4158969A (en) * | 1977-10-07 | 1979-06-26 | Steyr-Daimler-Puch Aktiengesellschaft | Shifting mechanism for motor vehicle transmission |
| CN101831934A (en) * | 2010-04-09 | 2010-09-15 | 徐州徐工特种工程机械有限公司 | Flexible shaft connecting link mechanism for double-accelerator control |
| CN201835313U (en) * | 2010-08-27 | 2011-05-18 | 江苏柳工机械有限公司 | Operating device of sliding steering loader |
| CN203514376U (en) * | 2013-08-22 | 2014-04-02 | 泰安海松机械有限公司 | Mechanical operating control device of operating mechanism in skid steer loader |
| CN103574008A (en) * | 2013-10-10 | 2014-02-12 | 徐州徐工特种工程机械有限公司 | Loader-digger gear shifting operating rod |
| CN204784644U (en) * | 2015-06-18 | 2015-11-18 | 江苏柳工机械有限公司 | Gear operating mechanism of loaderdigger |
Non-Patent Citations (1)
| Title |
|---|
| 路振坡: "新型软轴变速控制器及其在装载机上的应用", 《工程机械》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084018A (en) * | 2018-09-27 | 2018-12-25 | 广西柳工机械股份有限公司 | Shift valve rod position control and engineering machinery vehicle |
| CN110985649A (en) * | 2019-12-19 | 2020-04-10 | 盛瑞传动股份有限公司 | Motor electronic gear shifting device and automobile |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151216 |
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| RJ01 | Rejection of invention patent application after publication |