CN203624889U - Sliding block assembly, telescopic boom and engineering machinery - Google Patents
Sliding block assembly, telescopic boom and engineering machinery Download PDFInfo
- Publication number
- CN203624889U CN203624889U CN201320815348.7U CN201320815348U CN203624889U CN 203624889 U CN203624889 U CN 203624889U CN 201320815348 U CN201320815348 U CN 201320815348U CN 203624889 U CN203624889 U CN 203624889U
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- China
- Prior art keywords
- roller
- slide block
- block assembly
- housing
- cannelure
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- 238000000034 method Methods 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims description 14
- 239000000428 dust Substances 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
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Abstract
The utility model discloses a locate slider assembly between relative sliding's part and use this slider assembly's flexible cantilever crane and engineering machine tool, this slider assembly includes casing and a plurality of roller, be equipped with an annular groove in the casing, the annular groove is followed the upper surface that the casing was run through to some of annular and is formed the opening, another part is located the inside of casing, the roller is arranged side by side along the hoop of annular groove and is acceptd in the annular groove, the roller can be in the same direction as the hoop extending direction roll motion along the annular groove, the roll motion in-process of roller, the tangent plane that is located at least three roller in the open-ended roller is higher than the upper surface of casing. Compared with the prior art, the utility model provides a sliding block set spare has simple structure, advantage that frictional force is little.
Description
Technical field
The utility model relates to engineering machinery telescopic arm frame field, particularly, relates to a kind of telescopic jib and construction machinery and equipment of being located at the slide block assembly on engineering machinery telescopic arm frame and using this slide block assembly.
Background technology
Slide block is widely used in needing between the object of relative sliding, causes wearing and tearing to avoid corresponding object direct friction.For example, having in the large-scale engineering machineries such as telescopic jib, slide block is located between the adjacent jib that needs relative fore and aft motion, plays relatively flexible smooth and easy, the effect that reduces wearing and tearing and supporting of guarantee.
Conventional slide block adopts MC nylon material directly to make the shape needing more at present, is directly fixed between the parts that need mutually to slide.As shown in Figure 1, be the partial schematic diagram of telescopic jib on a fire extinguishing tanker, it comprises jib inner core 2, jib urceolus 3 and is arranged at slide block 1 between the two, and slide block 1 is bolted on jib urceolus 3, slide block 1 upper surface contacts with jib inner core 2 lower surfaces, with supporting arm frame inner core 2.As shown in Figure 2 to Figure 3, described slide block 1 entirety is solid bulk, and the upper surface of slide block 1 is provided with lubrication groove 4, in use procedure, lubricating oil is filled in lubrication groove 4 and forms oil film with the surface to slide block 1, to reduce the friction between jib inner core 2 lower surfaces and slide block 1 surface.
But, because slide block is solid bulk, between jib and slide block, being formed as cliding friction, friction coefficient is relatively large, and resistance is larger, thereby affects the telescopicing performance of jib.
Utility model content
The utility model is to provide the slide block assembly between a kind of parts of being located at relative sliding, and this slide block assembly is simple in structure, and can greatly reduce the friction force between the mutual parts that slide.
To achieve these goals, the utility model provides the slide block assembly between a kind of parts of being located at relative sliding, this slide block assembly comprises housing and some rollers, in housing, be provided with a cannelure, the upper surface that cannelure runs through housing along a part for hoop is formed as opening, another part is positioned at the inside of housing, roller is arranged and is contained in cannelure side by side along the hoop of cannelure, roller can carry over the hoop bearing of trend rolling movement of cannelure, in the rolling movement process of roller, be arranged in the tangent plane of at least three rollers of roller of opening higher than the upper surface of housing.
Preferably, the diameter of each roller is greater than the degree of depth of opening.
Preferably, cannelure ovalize, along at least containing four rollers in the each arc transition portion of the hoop of cannelure.
Preferably, housing entirety is that upper surface is provided with opening, other surface is cuboid of sealing surface.
Preferably, in the forward and backward lip-deep projection of housing ringwise, roller is rounded in the forward and backward lip-deep projection of housing for cannelure.
Preferably, the relative both sides of the opening of the upper surface of housing are respectively equipped with draw-in groove, the bearing of trend of draw-in groove and the axially parallel of roller, space and be formed with stop part between the two between draw-in groove and cannelure, the top of stop part is lower than the marginal portion of the upper surface of housing, and slide block assembly also comprises the dust excluder of being located in described draw-in groove.
Preferably, the top of stop part is than the low 1mm～2mm in the marginal portion of the upper surface of housing, and the top of dust excluder is concordant with the tangent plane of roller that is positioned at opening.
On the other hand, the utility model also provides a kind of telescopic jib, between the cylindrical shell of every adjacent two joint arms, be provided with above-mentioned any one slide block assembly, the housing of slide block assembly is fixed on first segment arm, in slide block assembly, be positioned at opening roller form tangent plane and the outside face of second section arm offset, in second section arm, be placed on first segment arm.
On the other hand, the utility model also provides a kind of construction machinery and equipment, comprises above-mentioned telescopic jib.
Preferably, construction machinery and equipment is elevator machinery or fire extinguishing tanker.
By technique scheme, between the parts that mutually slide and slide block assembly, be formed as friction of rolling, friction coefficient is relatively little, and resistance is less, thus the friction force between the parts that greatly reduce mutually to slide.
Other feature and advantage of the present utility model are described in detail the detailed description of the invention part subsequently.
Brief description of the drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for specification sheets, is used from explanation the utility model, but does not form restriction of the present utility model with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the partial schematic diagram of telescopic jib on fire extinguishing tanker in prior art, and it has shown that slide block is arranged between jib inner core and jib urceolus;
Fig. 2 is the front view of slide block in Fig. 1;
Fig. 3 is the right elevation of slide block in Fig. 1;
Fig. 4 is the front view of the slide block assembly of the utility model one specific embodiment;
Fig. 5 is the birds-eye view of slide block assembly in Fig. 4;
Fig. 6 is the schematic diagram of the housing of slide block assembly in Fig. 4.
Description of reference numerals
1 slide block 2 jib inner core 3 jib urceolus
4 lubrication groove 5 housing 6 roller 7 dust excluders
51 cannelure 53 draw-in groove 54 openings
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is elaborated.Should be understood that, detailed description of the invention described herein only, for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that not doing contrary explanation, the noun of locality of use typically refers to the interior and outer of respective objects profile as " in, outer ".In addition, the direction of sliding between the parts of relative sliding is fore-and-aft direction, and the length direction of roller is left and right directions.
As shown in Figures 4 to 6, slide block assembly between the parts of what the utility model provided be located at relative sliding, comprise housing 5 and some rollers 6, in housing 5, be provided with a cannelure 51, the upper surface that cannelure 51 runs through housing 5 along a part for hoop is formed as opening 54, another part is positioned at the inside of housing 5, roller 6 is arranged and is contained in cannelure 51 side by side along the hoop of cannelure 51, roller 6 can carry over the hoop bearing of trend rolling movement of cannelure 51, in the rolling movement process of roller 6, be arranged in the tangent plane of 6 at least three rollers 6 of roller of opening 54 higher than the upper surface of housing 5.
In the time that parts in the parts of relative sliding contact with the roller 6 that is positioned at opening 54 in this slide block assembly and along front or rear when sliding, because roller 6 is arranged and is contained in cannelure 51 side by side along the hoop of cannelure 51, stressed roller 6 can carry over the hoop bearing of trend rolling movement of cannelure 51, roller 6, in rolling movement process, can head on next tangent with it root roller 6 and roll along cannelure 51.So at the place of arc transition portion of housing 5 front portions (as the left end in Fig. 4), the roller 6 that stressed roller 6 can promote non-stress rolls around cannelure 51, the roller 6 that is arranged in opening 54 can be rolled into the cannelure 51 that is positioned at housing 5 inside.Correspondingly, at the place of arc transition portion of housing 5 rear portions (as the right-hand member in Fig. 4), the roller 6 that is arranged in the cannelure 51 of housing 5 inside can be rolled into and be positioned at opening 54 places.So move in circles, the parts with need supporting of roller 6 relays contact.
Because this slide block assembly supports parts in the parts of relative sliding by roller 6 is set, and when sliding on this slide block assembly, these parts can make roller 6 roll, the cliding friction that therefore traditional slide block can be produced in use to larger friction force is converted into the friction of rolling that this slide block assembly produces in use, and friction force reduces greatly.
Preferably, in order to make tangent plane that all rollers that is positioned at opening 54 6 the form upper surface higher than housing 5, the diameter that is positioned at these cannelure 51 each rollers 6 is all greater than the degree of depth of described opening 54, like this in the time that parts in the parts of relative sliding contact with this slide block assembly, roller 6 can play the effect of better these parts of supporting, and the setting of roller 6 is also convenient.
Preferred, in order to make the roller 6 that is positioned at opening 54 roll to such an extent that understand more smoothly in the time being rolled into the arc transition portion that is positioned at housing 5, the cannelure 51 of being located in housing 5 is arranged to cross-sectional plane ovalize, this oval arc transition portion lays respectively at the front and rear of housing 5, along at least containing four rollers 6 in the each arc transition portion of the hoop of cannelure 51.
Preferred, for roller 6 can only be moved along cannelure 51 fore-and-aft directions, housing 5 entirety in this slide block assembly are upper surface and are provided with opening 54, other surperficial cuboid for sealing surface, as shown in Figure 4 and Figure 6, this cannelure 51 is located at the inside of housing 5, a part for cannelure 5 run through housing 5 upper surface form opening 54, another part between the upper surface and lower surface of housing 5, and and lower surface between space.Can prevent that like this roller 6 from moving along left and right directions or above-below direction, thereby can better play the friction force between the parts that reduce relative sliding.
Preferred, can be more smoothly when roller 6 in slide block assembly is rolled in housing 5, be located at the projection in the left and right surfaces of housing 5 of cannelure 51 in housing 5 ringwise, the projection of roller 6 in the left and right surfaces of housing 5 is rounded, and the direction that described roller 6 rolls along the hoop of described cannelure 51 is the front and rear direction of described housing 5.
Preferred, in order to prevent that extraneous impurity from entering into cannelure 51, affect the rolling of roller 6, the relative both sides of the opening 54 of the upper surface of the housing 5 in this slide block assembly are respectively equipped with draw-in groove 53, the axially parallel of the bearing of trend of draw-in groove 53 and roller 6, space and be formed with stop part between the two between draw-in groove 53 and cannelure 51, the top of stop part is lower than the marginal portion of the upper surface of housing 5.As shown in Figure 4 and Figure 6, draw-in groove 53 is located at respectively the forward and backward two ends of housing 5, passes through stop part space between draw-in groove 53 and cannelure 51.Further, this slide block assembly also comprises the dust excluder 7 of being located in described draw-in groove 53, and dust excluder 7 can stop extraneous dust to enter into this slide block assembly, thereby this slide block assembly is better worked.
Preferred, better dustproof and stop introduced contaminants to enter in this slide block assembly in order to play, the top of stop part is than the low 1mm～2mm in the marginal portion of the upper surface of housing 5, and the top of dust excluder 7 is concordant with the tangent plane of roller 6 that is positioned at opening 54.
In the present embodiment, the parts of described mutual relative sliding are construction machinery and equipment, as two adjacent joint arms of the telescopic jib of hoisting crane or fire extinguishing tanker, slide block assembly be located at two joint arms between, wherein the tangent plane of the roller that is positioned at opening of slide block assembly with wherein one joint arm slidingsurface be in contact with one another.
As an example of the joint arm of telescopic jib example, the principle of slide block assembly is described below, wherein two adjacent joint arms are respectively first segment arm and second section arm.In second section arm, be placed on first segment arm, this slide block assembly is bolted on first segment arm, second section arm in the enterprising line slip of this slide block assembly so that flexible with respect to first segment arm.When second section knee-joint contacts after the roller that is positioned at opening 54 6 of this slide block assembly, and while carrying out forward and backward slip, because roller 6 is arranged and is contained in cannelure 51 side by side along the hoop of cannelure 51, just can be subject to the application force of second section arm with the roller of second section arm contact, stressed roller 6 can carry over the hoop bearing of trend rolling movement of cannelure 51, roller 6, in rolling movement process, can head on next tangent with it root roller 6 and roll along cannelure 51.At the place of arc transition portion of housing 5 front portions, the roller 6 that stressed roller 6 can promote non-stress rolls and circulates around cannelure 51, and roller 6 can be rolled in the cannelure 51 of housing 5 inside.Correspondingly, at the place of arc transition portion at housing 5 rear portions, the roller 6 that is arranged in the cannelure 51 of housing 5 inside can be rolled into and be positioned at opening 54 places, and then supports second section arm.So move in circles, the contacting with second section arm of roller 6 relays.
Above-mentioned slide block assembly is installed between adjacent first segment arm and second section arm, when second section arm is during in the enterprising line slip of this slide block assembly, the channel cycle that roller can form around annular groove-shaped structure is rolled, and then second section arm is converted into friction of rolling with respect to the cliding friction of conventional sliders, reduce the resistance while slip, greatly improved jib telescopicing performance.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characterictic described in above-mentioned detailed description of the invention, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, other various possible array modes explanations no longer separately of the utility model.
In addition, also can carry out combination in any between various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. the slide block assembly between parts of being located at relative sliding, it is characterized in that, this slide block assembly comprises housing (5) and some rollers (6), in described housing (5), be provided with a cannelure (51), the upper surface that described cannelure (51) runs through described housing (5) along a part for hoop is formed as opening (54), another part is positioned at the inside of described housing (5), described roller (6) is arranged and is contained in described cannelure (51) side by side along the hoop of described cannelure (51), described roller (6) can carry over the hoop bearing of trend rolling movement of described cannelure (51), in the rolling movement process of described roller (6), be arranged in the tangent plane of (6) at least three rollers of roller (6) of described opening (54) higher than the upper surface of described housing (5).
2. the slide block assembly between the parts of being located at relative sliding according to claim 1, is characterized in that, the diameter of each roller (6) is greater than the degree of depth of described opening (54).
3. the slide block assembly between the parts of being located at relative sliding according to claim 1, it is characterized in that, described cannelure (51) ovalize, along at least containing four rollers (6) in the each arc transition portion of the hoop of described cannelure (51).
4. the slide block assembly between the parts of being located at relative sliding according to claim 1, is characterized in that, described housing (5) entirety is upper surface and is provided with described opening (54), other surperficial cuboid for sealing surface.
5. the slide block assembly between the parts of being located at relative sliding according to claim 4, it is characterized in that, the projection of described cannelure (51) in the left and right surfaces of described housing (5) ringwise, the projection of described roller (6) in the left and right surfaces of described housing (5) is rounded, and the direction that described roller (6) rolls along the hoop of described cannelure (51) is the front and rear direction of described housing (5).
6. the slide block assembly between the parts of being located at relative sliding according to claim 4, it is characterized in that, the relative both sides of the opening of the upper surface of described housing (5) are respectively equipped with draw-in groove (53), the axially parallel of the bearing of trend of described draw-in groove (53) and described roller (6), space and be formed with stop part between the two between described draw-in groove (53) and described cannelure (51), the top of described stop part is lower than the marginal portion of the upper surface of described housing (5), described slide block assembly also comprises the dust excluder (7) of being located in described draw-in groove (53).
7. the slide block assembly between the parts of being located at relative sliding according to claim 6, it is characterized in that, the top of described stop part is than the low 1mm～2mm in marginal portion of the upper surface of described housing (5), and the top of described dust excluder (7) is concordant with the tangent plane of roller (6) that is positioned at described opening (54).
8. a telescopic jib, it is characterized in that, between the cylindrical shell of every adjacent two joint arms, be provided with the slide block assembly as described in any one in claim 1～7, the housing (5) of described slide block assembly is fixed on first segment arm, in described slide block assembly, be positioned at opening (54) described roller (6) form tangent plane and the outside face of second section arm offset, in described second section arm, be placed on described first segment arm.
9. a construction machinery and equipment, is characterized in that, comprises telescopic jib as claimed in claim 8.
10. construction machinery and equipment according to claim 9, is characterized in that, described construction machinery and equipment is elevator machinery or fire extinguishing tanker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320815348.7U CN203624889U (en) | 2013-12-11 | 2013-12-11 | Sliding block assembly, telescopic boom and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320815348.7U CN203624889U (en) | 2013-12-11 | 2013-12-11 | Sliding block assembly, telescopic boom and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203624889U true CN203624889U (en) | 2014-06-04 |
Family
ID=50811383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320815348.7U Expired - Fee Related CN203624889U (en) | 2013-12-11 | 2013-12-11 | Sliding block assembly, telescopic boom and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203624889U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259212A (en) * | 2014-09-23 | 2015-01-07 | 江苏东顺新能源科技有限公司 | Driving sliding block, roller gap adjusting device and plate strip rolling machine |
| CN104259212B (en) * | 2014-09-23 | 2017-01-04 | 江苏东顺新能源科技有限公司 | Driving slide block, roller gap adjusting device and plate strip rolling mill |
-
2013
- 2013-12-11 CN CN201320815348.7U patent/CN203624889U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259212A (en) * | 2014-09-23 | 2015-01-07 | 江苏东顺新能源科技有限公司 | Driving sliding block, roller gap adjusting device and plate strip rolling machine |
| CN104259212B (en) * | 2014-09-23 | 2017-01-04 | 江苏东顺新能源科技有限公司 | Driving slide block, roller gap adjusting device and plate strip rolling mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20161211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |