CN204279383U - A kind of swing arm and there is its concrete pump truck - Google Patents
A kind of swing arm and there is its concrete pump truck Download PDFInfo
- Publication number
- CN204279383U CN204279383U CN201420693642.XU CN201420693642U CN204279383U CN 204279383 U CN204279383 U CN 204279383U CN 201420693642 U CN201420693642 U CN 201420693642U CN 204279383 U CN204279383 U CN 204279383U
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- China
- Prior art keywords
- swing arm
- lubrication
- bulb
- tilt cylinder
- main line
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- 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.)
- Expired - Lifetime
Links
- 238000005461 lubrication Methods 0.000 claims abstract description 103
- 239000004519 grease Substances 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000314 lubricant Substances 0.000 abstract description 6
- 238000004904 shortening Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses a kind of swing arm and there is its concrete pump truck.Described swing arm at both sides place with bulb auxiliary section, bulb auxiliary section is used for coordinating with tilt cylinder bulb, the inside of swing arm (5) is provided with oiling road (2b), oiling road (2b) extends to bulb auxiliary section from the pouring orifice (9) of swing arm (5) top end, lubrication channel (7) is provided with further in the inside of swing arm (5), lubrication channel (7) extends to bulb auxiliary section from the lubrication mouth (10) of swing arm (5) top end, wherein, lubrication mouth (10) is spaced apart with pouring orifice (9), lubrication mouth (10) is connected for the lubrication piping outside with being arranged on swing arm (5).Swing arm of the present utility model, by increasing lubrication channel in swing arm, makes grease directly be lubricated tilt cylinder bulb by lubrication channel and oiling road.Thus the lubrication path of shortening tilt cylinder bulb, effectively improve the lubricant effect at tilt cylinder bulb place.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly relates to a kind of swing arm and has its concrete pump truck.
Background technology
In the prior art, pump truck tilt cylinder bulb lubrication is same passage with the spline lubrication of S pipe.Due to manufacturing errors or assembly error, between the axle sleeve assembly of S pipe and swing arm, between the axle sleeve assembly of S pipe and the spline of S pipe, often gap can be there is.Thus, easily cause the leakage of grease, make car load seem very dirty on the one hand, make tilt cylinder bulb lubricate on the other hand not in place, cause inordinate wear, cause tilt cylinder to work.
The both sides of the swing arm 5 shown in Fig. 1 coordinate with tilt cylinder bulb 8 respectively.One end of tilt cylinder bulb 8 is arranged on tilt cylinder 1, and the other end of tilt cylinder bulb 8 is arranged in swing arm 5.What the axle sleeve assembly 4 of S pipe and the spline 3 of S pipe cooperatively interacted is arranged in swing arm 5, and is positioned at the bottom of swing arm 5.
The lubrication path of the tilt cylinder bulb in the swing arm shown in Fig. 2 as shown by arrows.Under normal circumstances, rarer grease enters between the axle sleeve assembly 4 of S pipe and the spline 3 of S pipe, lubricates the spline 3 of S pipe.Then, grease enters the bottom of oiling road 2a, and then enters the branched bottom 6a on top from the bottom of oiling road 2a, thus realizes the lubrication to tilt cylinder bulb.When the pipe blocking of the axle sleeve assembly 4 of S pipe and the spline 3 of S pipe, open the oiling road 2a as oil duct for subsequent use, make grease enter the branched bottom 6a of 2a bottom, oiling road from 2a top, oiling road and between the axle sleeve assembly 4 of S pipe and the spline 3 of S pipe, thus the spline 3 of S pipe and tilt cylinder bulb are lubricated.
This kind of technical scheme has following shortcoming: under normal circumstances, to lubrication path length, the weak effect of tilt cylinder bulb 8.Specifically, the axle sleeve assembly 4 of the S pipe shown in Fig. 1 is formed by multiple part combination, due to the design between part or assembly error, make to there is gap between the axle sleeve assembly 4 of S pipe and the spline 3 of S pipe, the grease part flowing to oiling road 2a from the axle sleeve assembly 4 of S pipe and the spline 3 of S pipe is caused directly to flow out from gap, bad to the lubricant effect of tilt cylinder bulb 8, tilt cylinder bulb 8 is easily worn, and tilt cylinder 1 cannot normally be worked.
Therefore, wish a kind of swing arm to overcome or at least alleviate at least one above-mentioned defect of prior art.
Utility model content
The purpose of this utility model is at least one the above-mentioned defect providing a kind of swing arm to overcome or at least alleviate prior art.
For achieving the above object, the utility model provides a kind of swing arm.Described swing arm, its at both sides place with bulb auxiliary section, for coordinating with tilt cylinder bulb, the inside of described swing arm is provided with oiling road, described oiling road extends to described bulb auxiliary section from the pouring orifice of described swing arm top end, lubrication channel is provided with further in the inside of described swing arm, described lubrication channel extends to bulb auxiliary section from the lubrication mouth of described swing arm top end, wherein, described lubrication mouth and described pouring orifice spaced apart, described lubrication mouth be used for be connected with the lubrication piping being arranged on described swing arm outside.
Preferably, described lubrication channel extends to from the lubrication mouth of described swing arm top end and is communicated with described oiling road.
Preferably, described oiling road comprises the oil main line and two branched bottoms that are interconnected, described oil main line extends to its end from described pouring orifice along the central axis of described swing arm, contiguous described two the tilt cylinder bulbs of end of described oil main line, described two branched bottoms extend to described bulb auxiliary section respectively from the end of described oil main line.
Preferably, described lubrication channel has the first angle of inclination relative to described oil main line.
Preferably, described first angle of inclination is in the scope of 30 degree to 60 degree.
Preferably, each described branched bottom comprises two subchannels.
Preferably, the cross-sectional area sum of described two branched bottoms is less than or equal to the cross-sectional area of described oil main line.
Preferably, described branched bottom has the second angle of inclination relative to described oil main line.
Preferably, the shape of cross section of described lubrication channel is circular.
The utility model also provides a kind of concrete pump truck, and described pump truck comprises swing arm as above.
Swing arm of the present utility model, by increasing lubrication channel in swing arm, makes grease directly be lubricated tilt cylinder bulb by lubrication channel and oiling road.Thus shorten lubrication path, effectively improve the lubricant effect at tilt cylinder bulb place, prevent tilt cylinder bulb from wearing and tearing, thus ensure the normal work of tilt cylinder.Also retains the oiling road as oil duct for subsequent use simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the coupled condition of swing arm of the prior art.
Fig. 2 is the schematic diagram in the lubrication path of tilt cylinder bulb in swing arm shown in Fig. 1.
Fig. 3 is the schematic diagram of the coupled condition of swing arm according to the utility model one embodiment.
Fig. 4 is the schematic diagram in the lubrication path of tilt cylinder bulb in swing arm shown in Fig. 3.
Reference numeral:
| 1 | Tilt cylinder | 6a | Branched bottom |
| 2a | Oiling road | 6b | Branched bottom |
| 2b | Oiling road | 7 | Lubrication channel |
| 3 | The spline of S pipe | 8 | Tilt cylinder bulb |
| 4 | The axle sleeve assembly of S pipe | 9 | Pouring orifice |
| 5 | Swing arm | 10 | Lubrication mouth |
Detailed description of the invention
The object implemented for making the utility model, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, are further described in more detail the technical scheme in the utility model embodiment.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
According to swing arm of the present utility model at its both sides place with bulb auxiliary section, for coordinating with tilt cylinder bulb.The inside of described swing arm is provided with oiling road and lubrication channel.Described oiling road extends to described bulb auxiliary section from the pouring orifice of described swing arm top end.Described lubrication channel extends to bulb auxiliary section from the lubrication mouth of described swing arm top end.Wherein, described lubrication mouth and described pouring orifice spaced apart, described lubrication mouth be used for be connected with the lubrication piping being arranged on described swing arm outside.Above-mentioned swing arm, by increasing lubrication channel in swing arm, makes grease directly be lubricated tilt cylinder bulb by lubrication channel and oiling road.This kind of technical scheme substantially reduces the lubrication path to tilt cylinder bulb place, and effectively improves lubricant effect, prevents tilt cylinder bulb from wearing and tearing, thus ensures the normal work of tilt cylinder.And this kind of technical scheme also retains the oiling road as oil duct for subsequent use.
Fig. 3 is the schematic diagram of the coupled condition of swing arm according to the utility model one embodiment.Fig. 4 is the schematic diagram in the lubrication path of tilt cylinder bulb in swing arm shown in Fig. 3.
In the embodiment shown in fig. 3, at the both sides place of swing arm 5 with bulb auxiliary section, swing arm 5 is coordinated with tilt cylinder bulb by bulb auxiliary section.That is, two tilt cylinder bulbs 8 are connected with swing arm 5, and tilt cylinder bulb 8 part is arranged on the relative both sides (left and right sides of the swing arm 5 namely shown in Fig. 3) of swing arm 5 inside.
In the embodiment shown in fig. 4, the inside of swing arm 5 is provided with oiling road 2b and lubrication channel 7.Oiling road 2b comprises the oil main line and two branched bottom 6b that are interconnected.
Oiling road 2b extends to bulb auxiliary section from the pouring orifice 9 of the top end of swing arm 5, and is communicated with tilt cylinder bulb 8.Particularly, see Fig. 4, the oil main line on oiling road 2b extends to its end from pouring orifice 9 along the central axis of swing arm 5.Contiguous two the tilt cylinder bulbs 8 of end of oil main line.Described end is one end away from pouring orifice 9 of oil main line.It is pointed out that oiling road 2b and pouring orifice 9 are the alternate channel of lubrication tilt cylinder bulb 8.Only have when the passage of other lubrication tilt cylinder bulb 8 can not use due to blocking or other reasons, just use oiling road 2b and pouring orifice 9, thus ensure the normal lubrication of tilt cylinder bulb 8.Pouring orifice 9 is the sprue gate of grease, and grease directly can enter oiling road 2b from pouring orifice 9.Branched bottom 6b is communicated with oil main line, and branched bottom 6b extends to bulb auxiliary section respectively from the end of oil main line, and branched bottom 6b is connected with tilt cylinder bulb 8.That is, the left end of the branched bottom 6b in the left side shown in Fig. 4 is connected with left side tilt cylinder bulb 8, and the right-hand member of the branched bottom 6b in left side is connected with oil main line.Advantageously, oil main line and branched bottom 6b shape of cross section are circular.Convenient processing, and be conducive to the circulation of grease.Be understandable that, the shape of cross section of oil main line and branched bottom 6b is that the embodiment of other shape is also in protection domain of the present utility model.
Be understandable that, the quantity of branched bottom 6b can be arranged as required.In the present embodiment, the quantity of branched bottom 6b is 2.Left-hand branch passage 6b is communicated with left side tilt cylinder bulb 8, realizes the lubrication to left side tilt cylinder bulb 8.Right-hand branch passage 6b is communicated with right side tilt cylinder bulb 8, realizes the lubrication to right side tilt cylinder bulb 8.Be understandable that, the quantity of branched bottom 6b is at least two.Such as, the quantity of branched bottom 6b can be 4,6 or other are multiple.It is pointed out that left-hand branch passage 6b and right-hand branch passage 6b is preferably symmetrical set relative to oil main line, realize the even lubrication to left side tilt cylinder bulb 8 and right side tilt cylinder bulb 8.
In not shown embodiment, each branched bottom 6b comprises two subchannels.Two subchannels separately extend to bulb auxiliary section from the optional position branched bottom 6b.Such as, two subchannels separate and extend from one end that branched bottom 6b is communicated with oil main line.Be understandable that, the quantity of subchannel can be arranged with the size of the cross-sectional area of branched bottom 6b as required.Such as, each branched bottom 6b can comprise 3,4 or other multiple subchannel.
The cross-sectional area sum of branched bottom 6b is less than or equal to the cross-sectional area being less than oil main line.Described cross-sectional area refers to the area of the central axis of vertical branch passage 6b.That is, the cross-sectional area of each branched bottom 6b shown in Fig. 4 is less than the cross-sectional area of oil main line.Make grease enter two branched bottom 6b smoothly by oil main line, prevent the too small grease packing phenomenon caused of the cross-sectional area of oil main line.
See Fig. 4, branched bottom 6b has certain angle of inclination relative to oil main line.Described angle of inclination is the second angle of inclination.The second angle of inclination between branched bottom 6b and oil main line can make grease enter two branched bottom 6b from oil main line easily.In the present embodiment, branched bottom 6b is 100 degree relative to second angle of inclination of oiling road 2b.Be understandable that, branched bottom 6b relative to second angle of inclination of oiling road 2b in the scope of 100 degree to 150 degree.Such as, branched bottom 6b can be 110 degree, 120 degree, 150 degree or other angles of inclination relative to second angle of inclination of oiling road 2b.
Or see Fig. 4, lubrication channel 7 extends to and oiling road 2b from the lubrication mouth 10 of the top end of swing arm 5, and be connected with the right flank being the oiling road 2b shown in Fig. 4.Be understandable that, lubrication channel 7 also can be connected with other side of oiling road 2b.And the extension path of lubrication channel 7 is a straight line tilted, make grease flow clear and coherent smooth.Certain distance is had, in order to avoid when offering lubrication mouth 10, cause damage to pouring orifice 9 between lubrication mouth 10 and pouring orifice 9.Lubrication mouth 10 shown in Fig. 4 is arranged on the right side of pouring orifice 9.Lubrication mouth 10 is connected with the lubrication piping being arranged on swing arm 5 outside.And lubrication piping inside is provided with grease.Grease in lubrication piping enters lubrication channel 7 from lubrication mouth 10, then enters the part oil main line shared with oiling road 2b from lubrication channel 7.Branched bottom 6b again by being communicated with oil main line enters tilt cylinder bulb 8, effectively can shorten lubrication path, thus realizes lubricating tilt cylinder bulb 8.Be understandable that, lubrication channel 7 directly extends to bulb auxiliary section from the lubrication mouth 10 of the top end of swing arm 5, thus the embodiment of lubricating tilt cylinder bulb 8 is also in protection domain of the present utility model.
Be understandable that, the quantity of lubrication channel 7 can need according to the lubrication of tilt cylinder bulb 8 and the size setting of area on top of swing arm 5.Such as, the quantity of lubrication channel 7 can be 2,3 or other are multiple.The setting of multiple lubrication channel 7, makes it better to the lubricant effect of tilt cylinder bulb 8.
In the embodiment shown in fig. 4, the shape of cross section of lubrication channel 7 is circular.Convenient processing, and be conducive to the circulation of grease.Be understandable that, the shape of cross section of lubrication channel 7 is that the embodiment of other shape is also in protection domain of the present utility model.
See Fig. 4, lubrication channel 7 has certain angle of inclination relative to oil main line.Described angle of inclination is the first angle of inclination.The first angle of inclination between lubrication channel 7 and oil main line can make grease enter in the oil main line oiling road 2b from lubrication channel 7 easily.In the present embodiment, lubrication channel 7 is 30 degree relative to the first angle of inclination of oil main line.Be understandable that, lubrication channel 7 relative to the first angle of inclination of oil main line in the scope of 30 degree to 60 degree.Such as, lubrication channel 7 can be 35 degree, 45 degree, 60 degree or other angles of inclination relative to the first angle of inclination of oil main line.
The lubrication path of the tilt cylinder bulb shown in Fig. 4 as shown by arrows.First grease in lubrication piping enters lubrication channel 7 from lubrication mouth 10, then enters the oil main line in oiling road 2b by lubrication channel 7, and then enters two branched bottom 6a from the bottom of oil main line, thus realizes the lubrication to tilt cylinder bulb 8.Wherein, the lubrication path of the spline of the lubrication path of tilt cylinder bulb 8 and the axle sleeve assembly of S pipe and S pipe separates and lubricates.The lubrication path of carrying out between the axle sleeve assembly 4 of S pipe and the spline 3 of S pipe is conformed to the lubrication path of prior art.
But when lubrication piping and lubrication channel 7 pipeline due to block or other reasons can not use time, need to open the oiling road 2b serving as alternate channel, grease is directly entered the oil main line oiling road 2b from pouring orifice 9, enter two branched bottom 6a from oil main line, thus realize the lubrication to tilt cylinder bulb.
Swing arm of the present utility model, by increasing lubrication channel in swing arm, makes grease directly be lubricated tilt cylinder bulb by lubrication channel and oiling road.Thus shorten lubrication path, effectively improve the lubricant effect at tilt cylinder bulb place, prevent tilt cylinder bulb from wearing and tearing, thus ensure the normal work of tilt cylinder.Also retains the oiling road as oil duct for subsequent use simultaneously.
Finally it is to be noted: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit.Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a swing arm, its at both sides place with bulb auxiliary section, for coordinating with tilt cylinder bulb, it is characterized in that, the inside of described swing arm (5) is provided with oiling road (2b), described oiling road (2b) extends to described bulb auxiliary section from the pouring orifice (9) of described swing arm (5) top end, lubrication channel (7) is provided with further in the inside of described swing arm (5), described lubrication channel (7) extends to described bulb auxiliary section from the lubrication mouth (10) of described swing arm (5) top end, wherein, described lubrication mouth (10) is spaced apart with described pouring orifice (9), described lubrication mouth (10) is connected for the lubrication piping outside with being arranged on described swing arm (5).
2. swing arm as claimed in claim 1, it is characterized in that, described lubrication channel (7) extends to from the lubrication mouth (10) of described swing arm (5) top end and is communicated with described oiling road (2b).
3. swing arm as claimed in claim 2, it is characterized in that, described oiling road (2b) comprises the oil main line and two branched bottoms (6b) that are interconnected, described oil main line extends to its end from described pouring orifice (9) along the central axis of described swing arm (5), contiguous described two the tilt cylinder bulbs (8) of end of described oil main line, described two branched bottoms (6b) extend to described bulb auxiliary section respectively from the end of described oil main line.
4. swing arm as claimed in claim 3, it is characterized in that, described lubrication channel (7) has the first angle of inclination relative to described oil main line.
5. swing arm as claimed in claim 4, it is characterized in that, described first angle of inclination is in the scope of 30 degree to 60 degree.
6. swing arm as claimed in claim 3, it is characterized in that, each described branched bottom (6b) comprises two subchannels.
7. swing arm as claimed in claim 3, it is characterized in that, the cross-sectional area sum of described two branched bottoms (6b) is less than or equal to the cross-sectional area of described oil main line.
8. swing arm as claimed in claim 3, it is characterized in that, described branched bottom (6b) has the second angle of inclination relative to described oil main line.
9. swing arm as claimed in claim 1, is characterized in that, the shape of cross section of described lubrication channel (7) is circular.
10. a concrete pump truck, is characterized in that, comprises swing arm as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693642.XU CN204279383U (en) | 2014-11-18 | 2014-11-18 | A kind of swing arm and there is its concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693642.XU CN204279383U (en) | 2014-11-18 | 2014-11-18 | A kind of swing arm and there is its concrete pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204279383U true CN204279383U (en) | 2015-04-22 |
Family
ID=52862570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420693642.XU Expired - Lifetime CN204279383U (en) | 2014-11-18 | 2014-11-18 | A kind of swing arm and there is its concrete pump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204279383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542773A (en) * | 2017-09-02 | 2018-01-05 | 湖南响箭重工科技有限公司 | Pumping rocker bearing self-lubricating structure and pump truck |
-
2014
- 2014-11-18 CN CN201420693642.XU patent/CN204279383U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542773A (en) * | 2017-09-02 | 2018-01-05 | 湖南响箭重工科技有限公司 | Pumping rocker bearing self-lubricating structure and pump truck |
| CN107542773B (en) * | 2017-09-02 | 2019-06-28 | 湖南响箭重工科技有限公司 | Pumping rocker bearing self-lubricating structure and pump truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200929 Address after: No.202 Xuanfu street, Xuanhua District, Zhangjiakou, Hebei Province Patentee after: Hebei Leisa Heavy Construction Machinery Co., Ltd Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
|
| TR01 | Transfer of patent right |