CN104389326A - Land leveler and front axle system of land leveler - Google Patents
Land leveler and front axle system of land leveler Download PDFInfo
- Publication number
- CN104389326A CN104389326A CN201410524792.2A CN201410524792A CN104389326A CN 104389326 A CN104389326 A CN 104389326A CN 201410524792 A CN201410524792 A CN 201410524792A CN 104389326 A CN104389326 A CN 104389326A
- Authority
- CN
- China
- Prior art keywords
- bridge system
- bridge
- link
- shaft part
- nutplate
- 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
Landscapes
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
The invention discloses a front axle system of a land leveler. The front axle system comprises a wheel hub shaft, a wheel rim connecting plate and an axle connecting frame, wherein the wheel rim connecting plate is axially fixed with the wheel hub axle, the axle connecting frame is fixedly with a main body structure of the front axle system, the wheel hub shaft comprises a connecting shaft section used for connecting the axle connecting frame, and the connecting shaft section can move in the axial direction of the wheel hub relative to the axle connecting frame, so that the wheel rim connecting plate is driven to approach to or leave far away from the axle connecting frame. The invention provides the front axle system with the adjustable axle distance, so that the front axle system can be matched with various models of wheels, and the required wheel distance can be obtained only through regulating the axle distance. When the front axle system is applied onto the land leveler, the land lever can be provided with the same front wheels and back wheels, and the economic performance is improved.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly a kind of land leveller and front bridge system thereof.
Background technology
Land leveller has the front bridge system and the rear bridge system being connected rear rim that connect front rim, namely has fixing bridge distance after existing front bridge system and back axle system assembles, and, after front-wheel or trailing wheel install, also there is fixing wheelspan.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is a kind of elevation of part-structure of typical front bridge system, illustrates that hub spindle and bridge link are assembled; Fig. 2 is the lateral view of the part-structure in Fig. 1.
Bridge system was example in the past:
As depicted in figs. 1 and 2, front bridge system has the agent structure such as brake assembly, drag link, and hub spindle 100, wheel rim junction plate, bridge link 200 etc., and agent structure is arranged between two front-wheels, and connects two front-wheels.Wheel rim junction plate is connected on hub spindle 100 by rolling bearing, can not only rotate by relativeatoeterahub axle 100, to drive vehicle wheel rotation, goes back the axial restraint of relativeatoeterahub axle 100; The first otic placode 2011 and the second otic placode 2012 that bridge link 200 comprises base 201 and is arranged on base 201, base 201 is fixedly welded on hub spindle 100, and the first otic placode 2011 and the second otic placode 2012 are connected to agent structure.
Front bridge system also comprises oil cylinder, and the two ends of drag link are arranged on the drag link seat 2013 on the base 201 on bridge link 200, and oil cylinder is fixed on the oil cylinder seat 2014 on base 201, and the two split is arranged.Drag link seat 2013 is arranged under oil cylinder seat 2014, and due to the restriction of oil cylinder seat 2014, the position of drag link seat 2013 is lower, and drag link ratchel that is frequent and ground projection collides, and impairs front bridge system.
Front bridge system is different with the structure of rear bridge system, has different bridge distances, and front rim and rear rim are also correspondingly different, identical with the width at trailing wheel place with the width at the front-wheel place making land leveller.But, because front rim is different with rear rim, during single tire wear, its tire with not easily-worn position place can not be exchanged, and be merely able to replacing new tyre, substantially increase the use cost of land leveller.
But, coordinate with propons and back axle according to same wheel rim, so, due to propons apart from from back axle apart from different, then front tread or rear tread are also by difference, such as, rear rim are engaged to front bridge system, so, front tread will increase, and limit land leveller pass through performance.
Therefore, how to provide a kind of land leveller, make it can not only use identical front-wheel and trailing wheel, to reduce its maintenance maintenance cost, but also having preferably by performance, is those skilled in the art's technical issues that need to address.
Summary of the invention
Object of the present invention is for providing a kind of land leveller and front bridge system thereof.This land leveller and front bridge system thereof can not only use identical front-wheel and trailing wheel, to reduce its maintenance maintenance cost, but also have and pass through performance preferably.
For solving the problems of the technologies described above, the invention provides a kind of front bridge system of land leveller, comprise hub spindle, with the wheel rim junction plate of described hub spindle axial restraint, and with the agent structure of front bridge system fixing bridge link, described hub spindle comprises the connection shaft part connecting described bridge link, described connection shaft part can relatively described bridge link moving axially at described hub spindle, with drive described wheel rim junction plate near or away from described bridge link.
The present invention passes through the relatively small and exquisite hub spindle of mobile volume, it is made to drive the relative bridge link of wheel rim junction plate to move axially, and change wheelspan, easy to operate, extremely be conducive to being applied to industrial production, a kind of front bridge system of adjustable bridge distance is finally provided, thus the wheel of this front bridge system and various model can be made adaptive, as long as by regulating bridge apart from the wheelspan that can obtain needs; Be applied on land leveller by this front bridge system, so, land leveller can be equipped with identical front-wheel and trailing wheel, improves economic performance.
Preferably, described connection shaft part has external screw thread, and described bridge link has the internal thread that can screw with described external screw thread, described bridge link with described be connected shaft part screw time, described bridge link moves vertically relative to described connection shaft part.
Preferably, described bridge link comprises integrated base and boss vertically, and the two is equipped with described internal thread; Described boss has preliminary dimension vertically, and described base is connected to described agent structure.
Preferably, also comprise nutplate, described nutplate near described boss, and is connected shaft part threaded engagement with described.
Preferably, described nutplate offers the handle hole coordinated with action bars, and described action bars can be plugged in described handle hole, and unscrews or screw described nutplate.
Preferably, described handle hole is several, and is evenly arranged on the plate face of nutplate.
Preferably, described handle hole and described action bars threaded engagement.
Preferably, described base is provided with mount pad, and described mount pad offers drag link installing hole and oil cylinder installing hole.
The present invention also provides a kind of land leveller, and comprise vehicle body and the front bridge system being arranged on described body bottom, described front bridge system is the front bridge system described in above-mentioned any one.
Owing to having bridge system before the various embodiments described above, this land leveller has mutually identical beneficial effect with front bridge system.
Accompanying drawing explanation
Fig. 1 is a kind of elevation of part-structure of typical front bridge system, illustrates that hub spindle and bridge link are assembled;
Fig. 2 is the lateral view of the part-structure in Fig. 1.
Fig. 3 is the schematic diagram of a kind of embodiment of bridge system before land leveller provided by the invention, and front bridge system and matching of tyre are shown;
Fig. 4 is the part-structure schematic diagram of the front bridge system in Fig. 3;
Fig. 5 is the perspective view of the bridge link in Fig. 4;
Fig. 6 is the perspective view of the hub spindle in Fig. 4;
Fig. 7 is the perspective view of the nutplate in Fig. 4.
Fig. 1-Fig. 2:
Hub spindle 100, bridge link 200, base 201, first otic placode 2011, second otic placode 2012, drag link seat 2013, oil cylinder seat 2014
Fig. 3-Fig. 7:
Front bridge system 1, front-wheel 2, drag link 11, hub spindle 12, fixing shaft part 121, connection shaft part 122, wheel rim junction plate 13, bridge link 14, base 141, first journal stirrup 1411, second journal stirrup 1412, mount pad 1413, drag link installing hole 1413a, oil cylinder installing hole 1413b, boss 142, through hole 143, nutplate 15, handle hole 151
Detailed description of the invention
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 3 to Fig. 6, Fig. 3 is the schematic diagram of a kind of embodiment of bridge system before land leveller provided by the invention, and front bridge system and matching of tyre are shown; Fig. 4 is the part-structure schematic diagram of the front bridge system in Fig. 3; Fig. 5 is the perspective view of the bridge link in Fig. 4; Fig. 6 is the perspective view of the hub spindle in Fig. 4.
As shown in Figures 3 to 6, the invention provides a kind of front bridge system 1 of land leveller, this front bridge system 1 comprises bridge link 14 and the wheel rim junction plate 13 of hub spindle 12 and overcoat hub spindle 12, and bridge link 14 is fixedly connected with the agent structure of front bridge system 1, and wheel rim junction plate 13 is for mounting tyre.Wherein, hub spindle 12 has fixing shaft part 121 and is connected shaft part 122, and fixing shaft part 121 is fixedly connected with vertically with wheel rim junction plate 13, and namely wheel rim junction plate 13 is connected to fixing shaft part 121 by rolling bearing etc., and relativeatoeterahub axle 12 is fixed vertically; Connect shaft part 122 to be connected with bridge link 14, the two can in the axially relative movement of hub spindle 12, thus drive with the wheel rim junction plate 13 of hub spindle 12 axial restraint synchronously relative bridge link 14 move axially, namely close or away from bridge link 14.
Introduced above, the agent structure axial restraint of bridge link 14 and front bridge system 1, so, easy understand, when wheel rim junction plate 13 near or away from bridge link 14 time, be equivalent near or away from the agent structure of front bridge system 1, be also, the wheelspan of the front-wheel 2 of agent structure both sides reduces or increases, thus makes wheelspan adjustable.
As shown in Figures 3 to 5, bridge link 14 has the first journal stirrup 1411 and the second journal stirrup 1412, the two is connected with the agent structure of front bridge system 1, the middle part of bridge link 14 has the through hole 143 run through for hub spindle 12, and hub spindle 12 axially can moved relative to bridge link 14 by this through hole 143.
The present invention provides a kind of front bridge system 1 of adjustable bridge distance, thus this front bridge system 1 can be made adaptive with the wheel of various model, as long as by regulating bridge apart from the wheelspan that can obtain needs; Be applied on land leveller by this front bridge system 1, so, land leveller can be equipped with identical front-wheel 2 and trailing wheel, improves economic performance.
In fact, other various ways can also be passed through, before land leveller is installed after bridge system 1, identical front-wheel 2 and trailing wheel can be equipped with, such as, regulate the axial location of wheel rim junction plate 13 relativeatoeterahub axle 12, or wheel rim junction plate 13 is arranged axial stretching mechanism etc., and aforesaid way provided by the invention passes through the relatively small and exquisite hub spindle 12 of mobile volume, it is made to drive the relative bridge link 14 of wheel rim junction plate 13 to move axially, and change wheelspan, and easy to operate, be extremely conducive to being applied to industrial production.
As shown in Figure 6, the fixing shaft part 121 of the hub spindle 12 in above-mentioned embodiment is optical axis, and connect shaft part 122 there is external screw thread, bridge link 14 has the internal thread screwed with external screw thread, bridge link 14 be connected shaft part 122 coordinate time, internal thread and externally threaded screw effect under, relative bridge link 14 moves axially by the connection shaft part 122 of hub spindle 12, thus drives wheel rim junction plate 13 relativeatoeterahub axle 12 to move axially.
In order to adapt to this type of attachment that hub spindle 12 coordinates with the through hole 143 of bridge link 14, and reduce structural modification amount as far as possible, reduce input cost, hub spindle 12 of the present invention and bridge link 14 adopt the mode of threaded engagement to coordinate, this fit system stable connection, reliable, all more for convenience, technique is comparatively easy for machining internal thread and external screw thread.
Need to operate according to following step when regulating bridge distance:
S1: stop and make front bridge system 1 be in state to be adjusted;
S2: turn-knob connects shaft part 122, connects the relative bridge link 14 of shaft part 122 and moves axially;
S3: after wheel rim junction plate 13 moves to precalculated position under the drive of hub spindle 12, stops turn-knob connecting shaft part 122.
In addition, can also arrange other modes realize connecting shaft part 122 relatively bridge link 14 move axially, such as, at through hole 143 inwall of bridge link 14, chute and slide block are set with the outer wall being connected shaft part 122, and coordinate with positioning element simultaneously; Or gear transmission structure etc., embodiment cost consumption provided by the invention is minimum by contrast, and economy is best.
Particularly, bridge link 14 comprises the base 141 and boss 142 that are wholely set vertically, the two middle part offers the above-mentioned through hole 143 with being connected shaft part 122 and coordinating, the inwall of through hole 143 processes the internal thread coordinated with the external screw thread being connected shaft part 122, and, boss 142 has preliminary dimension vertically, and above-mentioned first journal stirrup 1411 and the second journal stirrup 1412 are arranged on base 141, and are connected with the agent structure of front bridge system 1.
The basis of pedestal arranges boss 142, be equivalent to increase bridge link 14 and the length of fit being connected shaft part 122, and preliminary dimension is can obtain enough length of thread engagements, make to connect that shaft part 122 is stable is connected to bridge link 14 and is as the criterion; Further, base 141 is for connecting agent structure, and the radial dimension of boss 142 is less, only for the connecting length lengthened be connected shaft part 122, is conducive to the overall loss of weight of front bridge system 1; In addition, base 141 and boss 142 one-body molded, avoid the two be connected shaft part 122 screw time, relatively rotate in circumference, and damage bridge link 14 or hub spindle 12.
First journal stirrup 1411 and the second journal stirrup 1412 all can be connected to the agent structure of front bridge system 1 by bolt, and certainly, base 141 can also be connected with agent structure by other means, such as, and welding, riveted joint etc.
Please refer to Fig. 7, Fig. 7 is the perspective view of the nutplate in Fig. 4.
Further, this front bridge system 1 can also comprise nutplate 15, and this nutplate 15 is arranged near boss 142, and be connected shaft part 122 and screw cooperation, nutplate 15, bridge link 14, hub spindle 12 and wheel rim junction plate 13 assembly drawing are as shown in Figure 2.
So, with the state in Fig. 2 for original state, with nutplate 15 relative to the side of wheel rim junction plate 13 for outside, the step of adjustment propons bridge distance is:
S1: stop and make front bridge system 1 be in state to be adjusted;
S11: loosening nut plate 15, makes nutplate 15 relativeatoeterahub axle 12 outwards exit;
S2: turn-knob connects shaft part 122, connects the relative bridge link 14 of shaft part 122 and moves axially;
S3: after wheel rim junction plate 13 moves to precalculated position under the drive of hub spindle 12, stops turn-knob connecting shaft part 122;
S4: tightening nut plate 15 is that nutplate 15 relativeatoeterahub axle 12 is retracted near boss 142.
Visible, nutplate 15, for further fastening hub spindle 12, is equivalent to carry out double guarantee to the location of hub spindle 12, makes it fix with bridge link 14 securely.
Further, nutplate 15 can have the handle hole 151 coordinated with action bars, and action bars can be plugged in handle hole 151, and is screwed or loosening nut plate 15 by handle hole 151, and auxiliary nut plate 15 moves back or returns from connection shaft part 122.
Action bars can be shank of bolt, polished rod etc., can be cylindrical or square etc., and the shape of handle hole 151 should be adaptive with action bars.Be preferably shank of bolt, that is, handle hole 151 be screwed hole, so, action bars coordinates turn-knob during with handle hole 151, not easily departs from, guarantee operating reliability.
The position of handle hole 151 can be arranged on the plate face of nutplate 15, and, can several for being evenly arranged in nutplate 15.
After front bridge system 1 is assembled, the plate face of the nutplate 15 at two front-wheel 2 places is arranged in opposite directions, also, has certain working space outside the plate face of nutplate 15, therefore, handle hole 151 is arranged on this place and is conducive to action bars operation; In addition, in turn-knob process, nutplate 15 is often threaded to a precalculated position, by handle hole 151 plug-in mounting of action bars and present position adequate operation, can improve turn-knob efficiency.
Further, base 141 can be provided with mount pad 1413, this mount pad 1413 offers drag link installing hole 1413a and oil cylinder installing hole 1413b.So, drag link 11 and oil cylinder can be positioned at sustained height, and namely drag link 11 is no longer subject to the height restriction of oil cylinder, and height can increase to some extent, is conducive to the ratchel avoiding ground, and not fragile.
The present invention also provides a kind of land leveller, and this land leveller comprises vehicle body and is arranged on the front bridge system 1 of fit bottom, and this front bridge system 1 is the front bridge system 1 in the various embodiments described above.
Owing to having bridge system 1 before the various embodiments described above, this land leveller has mutually identical beneficial effect with front bridge system 1.
Above a kind of land leveller provided by the present invention and front bridge system thereof are described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (9)
1. the front bridge system of a land leveller, comprise hub spindle (12), with the wheel rim junction plate (13) of described hub spindle (12) axial restraint, and with the agent structure of front bridge system (1) fixing bridge link (14), it is characterized in that, described hub spindle (12) comprises the connection shaft part (122) connecting described bridge link (14), described connection shaft part (122) can relatively described bridge link (14) moving axially in described hub spindle (12), with drive described wheel rim junction plate (13) near or away from described bridge link (14).
2. front bridge system as claimed in claim 1, it is characterized in that, described connection shaft part (122) has external screw thread, described bridge link (14) has the internal thread that can screw with described external screw thread, described bridge link (14) with described be connected shaft part (122) screw time, described bridge link (14) is moved vertically relative to described connection shaft part (122).
3. front bridge system as claimed in claim 2, it is characterized in that, described bridge link (14) comprises integrated base (141) and boss (142) vertically, and the two is equipped with described internal thread; Described boss (142) has preliminary dimension vertically, and described base (141) is connected to described agent structure.
4. front bridge system as claimed in claim 3, it is characterized in that, also comprise nutplate (15), described nutplate (15) near described boss (142), and is connected shaft part (122) threaded engagement with described.
5. front bridge system as claimed in claim 4, it is characterized in that, described nutplate (15) offers the handle hole (151) coordinated with action bars, described action bars can be plugged in described handle hole (151), and unscrews or screw described nutplate (15).
6. front bridge system as claimed in claim 5, it is characterized in that, described handle hole (151) is several, and is evenly arranged on the plate face of nutplate (15).
7. front bridge system as claimed in claim 5, is characterized in that, described handle hole (151) and described action bars threaded engagement.
8. front bridge system as claimed in claim 3, it is characterized in that, described base (141) is provided with mount pad (1413), and described mount pad (1413) offers drag link installing hole (1413a) and oil cylinder installing hole (1413b).
9. a land leveller, comprises vehicle body and is arranged on the front bridge system (1) of described body bottom, it is characterized in that, described front bridge system (1) is bridge system (1) before described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410524792.2A CN104389326A (en) | 2014-10-08 | 2014-10-08 | Land leveler and front axle system of land leveler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410524792.2A CN104389326A (en) | 2014-10-08 | 2014-10-08 | Land leveler and front axle system of land leveler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104389326A true CN104389326A (en) | 2015-03-04 |
Family
ID=52607279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410524792.2A Pending CN104389326A (en) | 2014-10-08 | 2014-10-08 | Land leveler and front axle system of land leveler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104389326A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2605999Y (en) * | 2003-01-28 | 2004-03-10 | 刘方炎 | Distance adjustable axle |
| CN201002641Y (en) * | 2006-11-07 | 2008-01-09 | 徐州徐工筑路机械有限公司 | Grader front axle steering mechanism |
| CN201883462U (en) * | 2010-12-07 | 2011-06-29 | 卡特彼勒公司 | Bridge component adopted by machine and machine with same |
| CN102607793A (en) * | 2012-04-13 | 2012-07-25 | 湖南大学 | Adjustable-type trolley for impact test |
| CN102910033A (en) * | 2012-10-08 | 2013-02-06 | 刘文海 | Front axle of excavator |
-
2014
- 2014-10-08 CN CN201410524792.2A patent/CN104389326A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2605999Y (en) * | 2003-01-28 | 2004-03-10 | 刘方炎 | Distance adjustable axle |
| CN201002641Y (en) * | 2006-11-07 | 2008-01-09 | 徐州徐工筑路机械有限公司 | Grader front axle steering mechanism |
| CN201883462U (en) * | 2010-12-07 | 2011-06-29 | 卡特彼勒公司 | Bridge component adopted by machine and machine with same |
| CN102607793A (en) * | 2012-04-13 | 2012-07-25 | 湖南大学 | Adjustable-type trolley for impact test |
| CN102910033A (en) * | 2012-10-08 | 2013-02-06 | 刘文海 | Front axle of excavator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105377594A (en) | Vehicle suspension and leaf spring therefore | |
| CN206344650U (en) | The walking of a kind of integration hydraulic brake and suspension and steering servo drive wheel | |
| CN102673334B (en) | Independent traveling unit and vehicle | |
| CN106005101A (en) | Adjustable-pressure AGV driving mechanism | |
| CN104401302A (en) | Automobile and disc brake automobile driving rear axle assembly thereof | |
| CN102865323B (en) | Torsion beam bush component and production and mounting method thereof | |
| CN104908547B (en) | A kind of can the Mecanum wheel apparatus that push of independence self-adapting | |
| CN104389326A (en) | Land leveler and front axle system of land leveler | |
| CN202593288U (en) | Clutch pedal structure | |
| CN203766934U (en) | Mobile robot hole forming platform based on combined type axle structure | |
| CN203948521U (en) | A kind of two-way self-boosting type structure break | |
| CN203611156U (en) | Positioning tool | |
| CN105291753A (en) | Suspension for refitted vehicle and refitted vehicle | |
| CN204567451U (en) | A kind of outside rear-view mirror frame | |
| CN204184493U (en) | Vehicle engine assembly assembly tooling | |
| CN102874064B (en) | Torsion beam lining component and manufacturing and mounting method thereof | |
| CN103591262B (en) | The radial position of a kind of roll shaft revolving body adjusts assembly | |
| CN104385868B (en) | Automobile independent suspension system | |
| CN208612910U (en) | Vehicle glass obturator | |
| CN204249778U (en) | Automobile independent suspension system | |
| CN102050144A (en) | Full-hydraulic steering axle for tractor | |
| CN104691263A (en) | Lifting air suspension system for heavy truck | |
| CN104724134A (en) | Railway wagon bogie | |
| CN106042876A (en) | Driving device of AGV | |
| CN206703876U (en) | A kind of air suspension axletree and girder assembly |
Legal Events
| 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: 20150304 |
|
| RJ01 | Rejection of invention patent application after publication |