CN204123915U - Engineering truck linkwork and engineering truck - Google Patents
Engineering truck linkwork and engineering truck Download PDFInfo
- Publication number
- CN204123915U CN204123915U CN201420602945.6U CN201420602945U CN204123915U CN 204123915 U CN204123915 U CN 204123915U CN 201420602945 U CN201420602945 U CN 201420602945U CN 204123915 U CN204123915 U CN 204123915U
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- Prior art keywords
- rotating shaft
- articulated slab
- engineering truck
- nut
- linkwork
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Abstract
The engineering truck linkwork that the utility model provides and engineering truck, relate to construction machinery and equipment accessory field, wherein engineering truck linkwork comprises floating end and positioning end; Described floating end comprises the first rotating shaft, the first nut, the first articulated slab, the second articulated slab, clutch shaft bearing seat and the first oscillating bearing, and described positioning end comprises the second rotating shaft, the second nut, the 3rd articulated slab, the 4th articulated slab, the second bearing seat and second joint bearing.Relative to prior art, the engineering truck linkwork that the utility model provides and engineering truck comprise following beneficial effect: floating end coordinates the load that engineering truck linkwork still can be kept in vehicle travel process to bear complexity with positioning end, jointly can share the flexural load that engineering truck linkwork produces at working condition simultaneously, avoid floating end and positioning end unbalance stress and cause engineering truck linkwork to rupture.
Description
Technical field
The utility model relates to engineering machinery field, in particular to a kind of engineering truck linkwork and engineering truck.
Background technology
Articulated engineering vehicle mostly adopts articulated frame, connects front vehicle frame and Rear frame by linkwork, and front vehicle frame and Rear frame are linked to be overall and can be rotationally connected.Relative to unit frame, the while that articulated frame Turning radius being little, front vehicle frame is separated simply with Rear frame.
Comprise two articulated sections in the linkwork of current existing articulated frame, one of them articulated section axial restraint, can only rotate, and another articulated section can axial float, can rotate again.In rotation process, the part that can only rotate is hinged bears larger rotational load and flexural load, and can the hinged flexural load that substantially do not bear of axial float, and linkwork discontinuity, structural strength is low, easily causes the fracture of linkwork.
Utility model content
In view of this, the utility model provides a kind of engineering truck linkwork and engineering truck, to improve the problems referred to above.
The engineering truck linkwork that the utility model provides comprises floating end and positioning end.
Described floating end comprises the first rotating shaft, first nut, clutch shaft bearing seat, first oscillating bearing, stacked the second articulated slab of first articulated slab and two block gaps, described first articulated slab is arranged between described second articulated slab, described clutch shaft bearing seat is arranged on described first articulated slab, described first oscillating bearing is arranged in described clutch shaft bearing seat, described second articulated slab is provided with the axis hole corresponding with described first oscillating bearing, described first rotating shaft through described first oscillating bearing and axis hole and with the inner ring free-running fit of described first oscillating bearing, described first nut is fixed on the lower end of described first rotating shaft.
Described positioning end comprises the second rotating shaft, second nut, second bearing seat, second joint bearing, stacked the 4th articulated slab of 3rd articulated slab and two block gaps, described 3rd articulated slab is arranged between described 4th articulated slab, described second bearing seat is arranged on described 3rd articulated slab, described second joint bearing is arranged in described second bearing seat, described 4th articulated slab is provided with the axis hole corresponding with described second joint bearing, described second rotating shaft is fed through described second joint bearing and axis hole and fits with the inner ring of described second joint bearing, described second nut is fixed on the lower end of described second rotating shaft, the axis direction of described second rotating shaft is identical with the axis direction of described first rotating shaft.
Above-described engineering truck linkwork, preferably, also comprise spacing sleeve, described spacing sleeve is arranged between described 3rd articulated slab and described 4th articulated slab, described spacing sleeve is positioned at described 3rd articulated slab near the side of described second nut, described spacing sleeve is located on described second rotating shaft, and one end of described spacing sleeve embeds the inner ring of described second joint bearing, and the other end and described 4th articulated slab of described spacing sleeve are fitted.One end due to spacing sleeve embeds the inner ring of second joint bearing, and the other end and the 4th articulated slab are fitted, and limit the multidirectional activity of the inner ring of second joint bearing, avoid causing damage to the second rotating shaft to second joint bearing inner ring.
Above-described engineering truck linkwork, preferably, described first rotating shaft and described second rotating shaft are ladder pin shaft.Ladder pin shaft is conducive to assembling and location by the different shaft shoulders, and ladder pin shaft is stressed more even simultaneously, and the service life of rotating shaft is extended.
Above-described engineering truck linkwork, preferably, also comprise the pin for fixing described first nut and described second nut, the lower end of described first rotating shaft and the lower end of described second rotating shaft are equipped with radial direction through hole, and described pin is plugged in described radial direction through hole.Utilize pin to be plugged in the radial direction through hole of the first rotating shaft and the second rotating shaft, by the first nut and the second nut clamping, prevent the first nut or the second nut from dropping.
Above-described engineering truck linkwork, preferably, described first nut and described second nut are fluted nut, and described first nut and described second nut offer the groove for holding described pin.Utilize pin card to enter in the groove of fluted nut, the first nut or the second nut can not occur and the relatively rotating of rotating shaft, avoid the first nut or the second nut loosening landing, depart from the first rotating shaft or the second rotating shaft and coordinate.
Above-described engineering truck linkwork, preferably, also comprises oil hole and the oiling tube for adding lubricating oil; Described oil hole is all opened in the end face of the upper end of described first rotating shaft and described second rotating shaft, and described oiling tube is plugged in described oil hole.In oil hole, lubricating oil is dripped by oiling tube, sufficient lubrication can be carried out to the first rotating shaft and the second rotating shaft, make the first rotating shaft and the second rotating shaft friction force when engineering truck linkwork rotates less, reduce the wearing and tearing of the first rotating shaft and the second rotating shaft, extend the service life of the first rotating shaft and the second rotating shaft.
The utility model also provides a kind of engineering truck, comprise front vehicle frame, Rear frame and above-described engineering truck linkwork, described front vehicle frame is connected with described 4th articulated slab with described second articulated slab respectively, described Rear frame respectively with described first articulated slab and described 3rd articulated slab.Above-mentioned engineering truck linkwork is adopted the front vehicle frame of engineering truck to be connected with Rear frame, achieve being rotationally connected of front vehicle frame and Rear frame, the longer service life of engineering truck linkwork, also extends the service life of engineering truck accordingly, reduces the maintenance cost of engineering truck simultaneously.
Relative to prior art, the engineering truck linkwork that the utility model provides and engineering truck comprise following beneficial effect: the engineering truck linkwork that the utility model provides utilizes floating end and positioning end to carry out hinged, wherein in floating end, due to the first rotating shaft insert the first oscillating bearing inner ring and with inner ring free-running fit, first rotating shaft just can be floated in the first oscillating bearing, lower end and first nut of the first rotating shaft are fixed, like this, first rotating shaft just can be floated in the first oscillating bearing, the first rotating shaft is enable to bear the complex load of all directions, and the lower end of the first rotating shaft and the first nut are fixed, make the first rotating shaft when engineering truck linkwork rotates, limit floating of the first rotating shaft, make the first rotating shaft relative fixing with the second articulated slab, floating end is allowed to bear flexural load, second rotating shaft of positioning end insert second joint bearing inner ring and with inner ring interference fit, lower end and second nut of the second rotating shaft are simultaneously fixed, second rotating shaft can not be floated relative to pass machine bearing and the 4th articulated slab, can only rotate, positioning end is made to bear flexural load when engineering truck linkwork rotates.Floating end coordinates the load that engineering truck linkwork still can be kept in vehicle travel process to bear complexity with positioning end, jointly can share the flexural load that engineering truck linkwork produces at working condition simultaneously, avoid floating end and positioning end unbalance stress and cause engineering truck linkwork to rupture.
Accompanying drawing explanation
In order to clearer explanation the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the engineering truck linkwork cross-sectional schematic that the utility model first embodiment provides;
Fig. 2 is the engineering truck linkwork cross-sectional schematic that the utility model second embodiment provides;
Fig. 3 is the engineering truck linkwork cross-sectional schematic that the utility model the 3rd embodiment provides;
Fig. 4 is the cross-sectional schematic of the engineering truck linkwork of the engineering truck that the utility model the 4th embodiment provides.
Wherein, the corresponding relation between Reference numeral and component names is as follows: the first rotating shaft 101, first nut 102, first articulated slab 103, second articulated slab 104, clutch shaft bearing seat 105, first oscillating bearing 106, second rotating shaft 201, second nut 202,3rd articulated slab the 203, four articulated slab 204, second bearing seat 205, second joint bearing 206, spacing sleeve 207, pin 208, oiling tube 209, front vehicle frame 301, Rear frame 302.
Detailed description of the invention
Comprise two articulated sections in the linkwork of existing articulated frame, one of them articulated section axial restraint, can only rotate, and another articulated section can axial float, can rotate again.Researchist finds through long-term observation practice, and linkwork is in rotation process, and the part that can only rotate is hinged bears larger load, and can the hinged not bearing load substantially of axial float, and two articulated sections are stressed very uneven.Long-Time Service, owing to mainly relying on the articulated section that can only rotate to bear flexural load, can reduce structural strength and the service life of the articulated section that can only rotate, and the fracture of linkwork is also many from this articulated section.
Simultaneously, because common engineering vehicle operating environment is complicated, articulated structure can bear by acceleration, operation, braking, operation, the operating mode such as to turn to produce fore-and-aft direction, above-below direction, the load such as to turn to, stressed comparatively complicated, therefore can not adopt common articulated structure.
For improving the problems referred to above, the utility model provides a kind of engineering truck linkwork and engineering truck to improve the problems referred to above.
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
In the utility model, first, second, third, etc. are difference signal, are not limit.
Fig. 1 is the engineering truck linkwork cross-sectional schematic that the utility model first embodiment provides; As shown in Figure 1, the engineering truck linkwork that the utility model first embodiment provides comprises floating end and positioning end, and floating end can be arranged on above or below positioning end, and preferably, floating end is arranged on above positioning end.
Floating end comprises between the second stacked articulated slab 104 of the first rotating shaft 101, first nut 102, first articulated slab 103, second articulated slab 104, clutch shaft bearing seat 105 and the first oscillating bearing 106, two block gap and is equipped with the first articulated slab 103.
Clutch shaft bearing seat 105 is arranged on the first articulated slab 103, clutch shaft bearing seat 105 is arranged between two piece of second articulated slab 104, first oscillating bearing 106 is arranged in clutch shaft bearing seat 105, second articulated slab 104 is provided with the axis hole corresponding with the first oscillating bearing 106, first rotating shaft 101 is through the first oscillating bearing 106 and axis hole, first oscillating bearing 106 is positioned, the inner ring free-running fit of the first rotating shaft 101 simultaneously and the first oscillating bearing 106, the first nut 102 is fixed on the lower end of the first rotating shaft 101.
The inner ring free-running fit of the first rotating shaft 101 and the first oscillating bearing 106; first rotating shaft 101 can be movable relative to the first oscillating bearing 106; achieve the floating location of the first rotating shaft 101 to the first oscillating bearing 106; ensure that the first articulated slab 103 and the second articulated slab 104 are connected as a body time; eliminate mismatch error; protect between the first articulated slab 103 and the second articulated slab 104 and operate steadily; decrease the wearing and tearing between the first rotating shaft 101 and the first oscillating bearing 106, improve the service life of floating end.
Simultaneously, the first nut 102 is fixed with in the lower end of the first rotating shaft 101, spacing by the first nut 102, make the first rotating shaft 101 when engineering truck linkwork rotates, first rotating shaft 101 can only rotate with the second articulated slab 104 being positioned at below, like this when engineering truck linkwork rotates, floating end also can bear a part of flexural load.
Positioning end comprises the second rotating shaft 201, second nut 202, 3rd articulated slab 203, 4th articulated slab 204, second bearing seat 205 and second joint bearing 206, the 3rd articulated slab 203 is equipped with between the 4th articulated slab 204 that two block gaps are stacked, second bearing seat 205 is arranged on the 3rd articulated slab 203, second bearing seat 205 is between the 4th articulated slab 204, second joint bearing 206 is arranged in the second bearing seat 205, 4th articulated slab 204 is provided with the axis hole corresponding with second joint bearing 206, second rotating shaft 201 is fed through second joint bearing 206 and axis hole, the inner ring interference fit of the second rotating shaft 201 and second joint bearing 206, second nut 202 is fixed on the lower end of the second rotating shaft 201, the axis direction of the second rotating shaft 201 is identical with the axis direction of the first rotating shaft 101.
Due to the second rotating shaft 201 and the inner ring interference fit of second joint bearing 206, the second rotating shaft 201 is fixed relative to second joint bearing 206, and the lower end of the second rotating shaft 201 is simultaneously fixed with the second nut 202, further limit the motion of the second rotating shaft 201.Engineering truck linkwork is when rotating, and rotational load and flexural load are just delivered on the 4th articulated slab 204 by the second rotating shaft 201, make positioning end bear rotational load and flexural load.
Wherein, the first oscillating bearing 106 and second joint bearing 206 are conventional oscillating bearing, comprise the outer ring that the inner ring of a spherical outside surface and have Internal Spherical Surface.Conventional oscillating bearing can bear larger load, the hunting motion (i.e. angular motion) that the speed that is generally used for is lower, because slidingsurface is spherical, also can make banking motion (i.e. aligning motion) within the scope of certain angle, the situation that the Various Complex of engineering truck linkwork is stressed can be adapted to.
Fig. 2 is the engineering truck linkwork cross-sectional schematic that the utility model second embodiment provides; As shown in Figure 2, the engineering truck body cradle that the utility model second embodiment provides is on the basis of the first embodiment, further, also comprise spacing sleeve 207, spacing sleeve 207 is arranged between the 3rd articulated slab 203 and the 4th articulated slab 204, spacing sleeve 207 is positioned at the side of the 3rd articulated slab 203 near the second nut 202, spacing sleeve 207 is located on the outside of the second rotating shaft 201, one end of spacing sleeve 207 embeds the inner ring of second joint bearing 206, the other end of spacing sleeve 207 and the 4th articulated slab 204 portable box.
In use, when there is multidirectional relative motion between the 3rd articulated slab 203 and the 4th articulated slab 204, the inner ring of second joint bearing 206 also can Multidirectional motion, at this moment, because the inner ring of the second rotating shaft 201 and second joint bearing 206 is fitted, multi-load just can directly be delivered in the second rotating shaft 201 by the inner ring of second joint bearing 206, increases the load that the second rotating shaft 201 is born, shortens the service life of the second rotating shaft 201.And after increasing spacing sleeve 207, because four articulated slab 204 of second joint bearing 206 with below links into an integrated entity by spacing sleeve 207, the load of the complexity that second joint bearing 206 is subject to is delivered on the 4th articulated slab 204 by spacing sleeve 207, limit the violent Multidirectional motion of the inner ring of second joint bearing 206, second joint bearing 206 hyperkinesia is avoided the second rotating shaft 201 to be fractureed, decrease the load that the second rotating shaft 201 is subject to simultaneously, extend the service life of the second rotating shaft 201.
Fig. 3 is the engineering truck linkwork cross-sectional schematic that the utility model the 3rd embodiment provides; As shown in Figure 3, the engineering truck linkwork that the utility model the 3rd embodiment provides is on the basis of the second embodiment, and further, the first rotating shaft 101 and the second rotating shaft 201 are ladder pin shaft.Ladder pin shaft can be coordinated from the different fitting surfaces on articulated slab by the different shaft shoulders, convenient for assembly and precise positioning, simultaneously ladder pin shaft makes the entirety of rotating shaft stressed more even by the shaft shoulder, decreases and makes material, tooling cost makes extend the service life of rotating shaft simultaneously.
The engineering linkwork that the present embodiment provides also comprises the pin 208 for fixing the first nut 102 and the second nut 202, the lower end of the first rotating shaft 101 and the lower end of the second rotating shaft 201 are equipped with radial direction through hole, radial direction through hole is arranged on the below of the first nut 102 and the second nut 202, corresponding with the edge of the below of the first nut 102 and the second nut 202, pin 208 is plugged in radial direction through hole.Utilize pin 208 to be plugged in the radial direction through hole of the first rotating shaft 101 and the second rotating shaft 201, the first nut 102 and the second nut 202 are clamped, prevent the first nut 102 or the second nut 202 from dropping.Pin 208 is preferably spring cotter, and fixation simultaneously Assembly &Disassembly is convenient.
Further, the first nut 102 and the second nut 202 are fluted nut, and the groove of the first nut 102 and the second nut 202 is for holding pin 208.Utilize pin 208 to snap in the groove of fluted nut, the first nut 102 or the second nut 202 can not occur and the relatively rotating of rotating shaft, avoid the first nut 102 or the second nut 202 loosens landing, depart from the first rotating shaft 101 or the second rotating shaft 201 and coordinate.
The engineering truck linkwork that the present embodiment provides also comprises oil hole and the oiling tube 209 for adding lubricating oil; Oil hole is all opened in the end face of the upper end of the first rotating shaft 101 and the second rotating shaft 201, and oil hole is communicated to the outside of the first rotating shaft 101 and the second rotating shaft 201, and oiling tube 209 is plugged in oil hole.In oil hole, lubricating oil is dripped by oiling tube 209, sufficient lubrication can be carried out to the first rotating shaft 101 and the second rotating shaft 201, make the first rotating shaft 101 and the second rotating shaft 201 friction force when engineering truck linkwork rotates less, reduce the wearing and tearing of the first rotating shaft 101 and the second rotating shaft 201, extend the service life of the first rotating shaft 101 and the second rotating shaft 201.
Fig. 4 is the cross-sectional schematic of the engineering truck linkwork of the engineering truck that the utility model the 4th embodiment provides.As shown in Figure 4, the engineering truck that the utility model the 4th embodiment provides comprises the engineering truck linkwork that front vehicle frame 301, Rear frame 302 and above-described embodiment provide, the preferably engineering truck linkwork that provides of the 3rd embodiment, front vehicle frame 301 is connected with the 4th articulated slab 204 with the second articulated slab 104 respectively, Rear frame 302 respectively with the first articulated slab 103 and the 3rd articulated slab 203.The engineering truck linkwork of the 3rd embodiment is adopted the front vehicle frame 301 of engineering truck to be connected with Rear frame 302, achieve being rotationally connected of front vehicle frame 301 and Rear frame 302, the longer service life of engineering truck linkwork simultaneously, in the corresponding service life also extending engineering truck, reduce the maintenance cost of engineering truck.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. an engineering truck linkwork, is characterized in that, comprises floating end and positioning end;
Described floating end comprises the first rotating shaft, first nut, clutch shaft bearing seat, first oscillating bearing, stacked the second articulated slab of first articulated slab and two block gaps, described first articulated slab is arranged between described second articulated slab, described clutch shaft bearing seat is arranged on described first articulated slab, described first oscillating bearing is arranged in described clutch shaft bearing seat, described second articulated slab is provided with the axis hole corresponding with described first oscillating bearing, described first rotating shaft through described first oscillating bearing and axis hole and with the inner ring free-running fit of described first oscillating bearing, described first nut is fixed on the lower end of described first rotating shaft,
Described positioning end comprises the second rotating shaft, second nut, second bearing seat, second joint bearing, stacked the 4th articulated slab of 3rd articulated slab and two block gaps, described 3rd articulated slab is arranged between described 4th articulated slab, described second bearing seat is arranged on described 3rd articulated slab, described second joint bearing is arranged in described second bearing seat, described 4th articulated slab is provided with the axis hole corresponding with described second joint bearing, described second rotating shaft is fed through described second joint bearing and axis hole and fits with the inner ring of described second joint bearing, described second nut is fixed on the lower end of described second rotating shaft, the axis direction of described second rotating shaft is identical with the axis direction of described first rotating shaft.
2. engineering truck linkwork according to claim 1, it is characterized in that, also comprise spacing sleeve, described spacing sleeve is arranged between described 3rd articulated slab and described 4th articulated slab, described spacing sleeve is positioned at described 3rd articulated slab near the side of described second nut, described spacing sleeve is located on described second rotating shaft, and one end of described spacing sleeve embeds the inner ring of described second joint bearing, and the other end and described 4th articulated slab of described spacing sleeve are fitted.
3. engineering truck linkwork according to claim 1 and 2, is characterized in that, described first rotating shaft and described second rotating shaft are ladder pin shaft.
4. engineering truck linkwork according to claim 1 and 2, it is characterized in that, also comprise the pin for fixing described first nut and described second nut, the lower end of described first rotating shaft and the lower end of described second rotating shaft are equipped with radial direction through hole, and described pin is plugged in described radial direction through hole.
5. engineering truck linkwork according to claim 4, is characterized in that, described first nut and described second nut are fluted nut, and described first nut and described second nut offer the groove for holding described pin.
6. engineering truck linkwork according to claim 1 and 2, is characterized in that, also comprises oil hole and the oiling tube for adding lubricating oil; Described oil hole is all opened in the end face of the upper end of described first rotating shaft and described second rotating shaft, and described oiling tube is plugged in described oil hole.
7. an engineering truck, it is characterized in that, comprise front vehicle frame, Rear frame and the engineering truck linkwork described in claim 1-6 any one, described front vehicle frame is connected with described 4th articulated slab with described second articulated slab respectively, described Rear frame respectively with described first articulated slab and described 3rd articulated slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420602945.6U CN204123915U (en) | 2014-10-17 | 2014-10-17 | Engineering truck linkwork and engineering truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420602945.6U CN204123915U (en) | 2014-10-17 | 2014-10-17 | Engineering truck linkwork and engineering truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204123915U true CN204123915U (en) | 2015-01-28 |
Family
ID=52380301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420602945.6U Withdrawn - After Issue CN204123915U (en) | 2014-10-17 | 2014-10-17 | Engineering truck linkwork and engineering truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204123915U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228497A (en) * | 2014-10-17 | 2014-12-24 | 英轩重工有限公司 | Engineering vehicle hinge mechanism and engineering vehicle |
-
2014
- 2014-10-17 CN CN201420602945.6U patent/CN204123915U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228497A (en) * | 2014-10-17 | 2014-12-24 | 英轩重工有限公司 | Engineering vehicle hinge mechanism and engineering vehicle |
| CN104228497B (en) * | 2014-10-17 | 2016-05-11 | 英轩重工有限公司 | Engineering truck linkwork and engineering truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150128 Effective date of abandoning: 20160511 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |