CN111677756A - Guide sliding assembly, telescopic boom and engineering machinery - Google Patents
Guide sliding assembly, telescopic boom and engineering machinery Download PDFInfo
- Publication number
- CN111677756A CN111677756A CN202010570802.1A CN202010570802A CN111677756A CN 111677756 A CN111677756 A CN 111677756A CN 202010570802 A CN202010570802 A CN 202010570802A CN 111677756 A CN111677756 A CN 111677756A
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- China
- Prior art keywords
- arc
- base
- shaped groove
- arm section
- sliding assembly
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/707—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic guiding devices for telescopic jibs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jib Cranes (AREA)
Abstract
The invention relates to the technical field of engineering machinery equipment, in particular to a guide sliding assembly, a telescopic boom and engineering machinery. The direction slip subassembly for set up between relative slip's first part and second part, the first part is provided with the arc wall, the second part can be followed the length direction reciprocating motion of arc wall, the direction slip subassembly includes the base, the base be used for with second part fixed connection, the base have with the cambered surface of arc wall looks adaptation, be provided with a plurality of balls on the cambered surface, the ball be used for with the internal surface of arc wall contacts. The guide sliding assembly provided by the invention can be installed in a component with an arc-shaped groove.
Description
Technical Field
The invention relates to the technical field of engineering machinery equipment, in particular to a guide sliding assembly, a telescopic boom and engineering machinery.
Background
Guided slide assemblies are widely used between two components that require relative sliding to reduce frictional resistance. For example, in a large engineering machine with a telescopic boom, the guide sliding assembly is arranged between two adjacent boom sections which need relative telescopic movement, so that the abrasion is reduced, the smooth telescopic movement is ensured, and a certain supporting effect is achieved.
At present, a roller is arranged in a shell of a guide sliding assembly which is mostly adopted between two adjacent arm sections of a telescopic arm support on a crane, the guide sliding assembly is only suitable for contact between a plane and a plane, namely the guide sliding assembly can be used under the condition that the cross section of the two adjacent arm sections is rectangular, and if the arm sections (or other relatively sliding components) are provided with arc-shaped grooves, the guide sliding assembly in the form of the roller cannot be installed at the positions of the arc-shaped grooves.
Disclosure of Invention
A first object of the present invention is to provide a guide slide assembly to alleviate the technical problems of the prior art in which a guide slide assembly in the form of a roller cannot be applied to a member having an arc-shaped groove.
The second purpose of the invention is to provide a telescopic boom frame to relieve the technical problem that a roller-type guide sliding assembly cannot be installed in a boom section provided with an arc-shaped groove in the prior art.
A third object of the present invention is to provide a construction machine, so as to alleviate the technical problem of low working efficiency caused by the failure of installing a guide sliding assembly in the form of a roller in an arm section provided with an arc-shaped groove in the prior art.
Based on the first purpose, the invention provides a guide sliding assembly, which is arranged between a first part and a second part which slide relatively, wherein the first part is provided with an arc-shaped groove, the second part can reciprocate along the length direction of the arc-shaped groove, the guide sliding assembly comprises a base, the base is used for being fixedly connected with the second part, the base is provided with an arc surface matched with the arc-shaped groove, and the arc surface is provided with a plurality of balls which are used for being in contact with the inner surface of the arc-shaped groove.
Further, in some optional embodiments, a plurality of grooves arranged in rows and columns are arranged on the arc surface, and the ball bearings are limited in the grooves.
Further, in some alternative embodiments, the inner surface of the groove is a spherical cap surface that conforms to the outer surface of the ball.
Further, in certain alternative embodiments, the upper surface of the base and the inner surface of the recess are rounded.
Further, in some optional embodiments, the guiding and sliding assembly further includes a limiting portion, the limiting portion is fixedly connected to the base, the limiting portion includes an arc-shaped plate adapted to the arc-shaped surface, the arc-shaped plate is provided with a plurality of through holes, and the through holes are used for limiting the balls so that the balls roll in the through holes.
Further, in certain alternative embodiments, the center of the ball is located below the upper surface of the arcuate plate.
Further, in some optional embodiments, the limiting portion further includes a connecting plate, the connecting plate is fixedly connected to the arc-shaped plate, and the connecting plate is fixedly connected to the base.
Further, in certain alternative embodiments, the connecting plate is integrally formed with the arcuate plate.
Further, in certain alternative embodiments, the connecting plate is fixedly connected to the base by screws.
Based on the second purpose, the invention further provides a telescopic arm support, which comprises a first arm section, a second arm section and the guide sliding assembly, wherein the first arm section is sleeved outside the second arm section, the arc-shaped groove is formed in the inner surface of the first arm section, the second arm section can reciprocate along the length direction of the arc-shaped groove, and the base is fixedly connected with the outer surface of the second arm section.
Based on the third purpose, the invention also provides engineering machinery comprising the telescopic arm support.
Compared with the prior art, the invention has the following beneficial effects:
the guide sliding assembly provided by the invention is arranged between a first part and a second part which slide relatively, the first part is provided with an arc-shaped groove, the second part can reciprocate along the length direction of the arc-shaped groove, the guide sliding assembly comprises a base, the base is fixedly connected with the second part, the base is provided with an arc surface matched with the arc-shaped groove, the arc surface is provided with a plurality of balls, and the balls are used for contacting with the inner surface of the arc-shaped groove.
Based on the structure, the guide sliding assembly provided by the invention can be installed in a component with an arc-shaped groove. When using, with base fixed connection on the second part, because the base has the cambered surface with arc groove looks adaptation, be provided with a plurality of balls on the cambered surface, when first part and second part relative slip, a plurality of balls contact with the internal surface of arc groove, form the rolling friction between the curved surface.
According to the telescopic arm support provided by the invention, the arc-shaped groove is formed in the inner surface of the first arm section, and by using the guide sliding assembly provided by the invention, rolling friction between curved surfaces can be formed, so that the telescopic performance of the telescopic arm support provided with the arc-shaped groove is improved.
According to the engineering machinery provided by the invention, due to the adoption of the telescopic arm support provided by the invention, the working efficiency of the engineering machinery is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a left side view of a guide slide assembly according to one embodiment of the present invention;
FIG. 2 is a cross-sectional view of a guided slide assembly (balls not shown) according to one embodiment of the present invention;
fig. 3 is a schematic structural view of a limiting portion in the guiding sliding assembly according to an embodiment of the present invention;
FIG. 4 is a partial schematic view of a guided sliding assembly according to an embodiment of the present invention, in cooperation with a first member and a second member;
fig. 5 is a schematic cross-sectional view of a telescopic boom provided in the second embodiment of the present invention.
Icon: 101-a base; 102-an arc-shaped plate; 103-connecting plate; 104-a groove; 105-a ball; 106-a first screw; 107-second screw; 108-a through hole; 109-a first arm section; 110-a second arm section; 111-a first component; 112-second component.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to fig. 1 to 4, the present embodiment provides a guiding sliding assembly, which is configured between a first component 111 and a second component 112 that slide relatively, the first component 111 is provided with an arc-shaped groove, the second component 112 can reciprocate along the length direction of the arc-shaped groove, the guiding sliding assembly includes a base 101, the base 101 is used for being fixedly connected with the second component 112, the base 101 has an arc surface matched with the arc-shaped groove, the arc surface is provided with a plurality of balls 105, and the balls 105 are used for contacting with the inner surface of the arc-shaped groove.
Based on this structure, the guiding sliding assembly provided by the embodiment can be installed in a component with an arc-shaped groove. When in use, the base 101 is fixedly connected to the second part 112, and since the base 101 has a cambered surface matched with the cambered groove, and the cambered surface is provided with the plurality of balls 105, when the first part 111 and the second part 112 slide relatively, the plurality of balls 105 contact with the inner surface of the cambered groove to form rolling friction between the cambered surfaces.
It should be understood that the base 101 has an arc shape matching the arc-shaped groove, which means that the arc shape of the arc-shaped groove matches the arc shape of the cross-section of the arc-shaped groove, ensuring that the base 101 can slide in the arc-shaped groove.
In this embodiment, the base 101 and the second member 112 are connected by the first screw 106.
In this embodiment, the first member 111 and the second member 112 are both tubular structures, and the first member 111 is sleeved outside the second member 112. Referring to fig. 4, the second member 112 is capable of reciprocating relative to the second member in a direction perpendicular to the plane of the paper.
The first member 111 and the second member 112 may have a plate-like structure, for example, a U-shaped plate-like structure.
Further, in some optional embodiments, a plurality of grooves 104 arranged in rows and columns are arranged on the arc surface, and the balls 105 are limited in the grooves 104.
The plurality of grooves 104 arranged in rows and columns are arranged on the arc surface, so that the balls 105 can be ensured to be uniformly dispersed and contacted with the inner surface of the arc-shaped groove, stable supporting and guiding effects are provided, and the first component 111 and the second component 112 are prevented from relatively shaking.
In this embodiment, one ball 105 is disposed in each groove 104, and the center of the ball 105 is located outside the groove 104, that is, most of the ball 105 is located outside the groove 104, so that the distance between the first member 111 and the base 101 can be increased, and the possibility of contact wear between the first member 111 and the base 101 can be further reduced.
It should be noted that the center of the ball 105 may be located on the end face of the notch of the groove 104.
Further, in some alternative embodiments, the inner surface of the groove 104 is a spherical cap surface that conforms to the outer surface of the ball 105. This ensures that the balls 105 are free to roll within the grooves 104.
Further, in some alternative embodiments, the upper surface of the base 101 is rounded to the inner surface of the recess 104.
The upper surface of the base 101 is rounded off from the inner surface of the recess 104 in such a way as to avoid wear on the balls 105.
Further, in some optional embodiments, the guiding sliding assembly further includes a limiting portion, the limiting portion is fixedly connected with the base 101, the limiting portion includes an arc plate 102 adapted to the arc surface, the arc plate 102 is provided with a plurality of through holes 108, and the through holes 108 are used for limiting the balls 105, so that the balls 105 roll in the through holes 108.
In this embodiment, the number of the through holes 108 is equal to the number of the balls 105, and the positions correspond to one another.
Further, in certain alternative embodiments, the center of the ball 105 is located below the upper surface of the arcuate plate 102.
Optionally, the vertical distance between the center of the ball 105 and the middle layer of the arc plate 102 is 2-3 mm. The middle layer is a layer which is located between the upper surface and the lower surface of the arc plate 102, and the distance from the middle layer to the upper surface is equal to the distance from the middle layer to the lower surface.
Further, in some alternative embodiments, the limiting portion further includes a connecting plate 103, the connecting plate 103 is fixedly connected to the arc-shaped plate 102, and the connecting plate 103 is fixedly connected to the base 101.
In this embodiment, the number of the connecting plates 103 is two, and two ends of the arc-shaped plate 102 are respectively provided with one connecting plate 103.
Further, in certain alternative embodiments, the web 103 is integrally formed with the arcuate plate 102. The mode is convenient for processing, and the integral mechanical strength of the limiting part can be improved.
Further, in certain alternative embodiments, the connection plate 103 is fixedly connected to the base 101 by screws.
In this embodiment, the connection plate 103 is fixedly connected to the base 101 by a second screw 107.
The connection plate 103 may be fixedly connected to the base 101 through another connection member. Other connectors such as bolts, rivets, etc.
Example two
Referring to fig. 5, the embodiment provides a telescopic boom, which includes a first arm section 109, a second arm section 110, and a guiding sliding assembly according to the first embodiment of the present invention, where the first arm section 109 is sleeved outside the second arm section 110, an arc-shaped groove is disposed on an inner surface of the first arm section 109, the second arm section 110 can reciprocate along a length direction of the arc-shaped groove, and the base 101 is fixedly connected to an outer surface of the second arm section 110.
In the telescopic boom provided by the embodiment of the invention, the arc-shaped groove is formed in the inner surface of the first arm section 109, and by using the guide sliding assembly provided by the first embodiment of the invention, rolling friction between curved surfaces can be formed, so that the telescopic performance of the telescopic boom provided with the arc-shaped groove is improved.
It should be noted that, this embodiment provides a telescopic boom frame, which may further include a third arm section sleeved inside the second arm section, and an nth arm section sleeved inside the N-1 th arm section, where N is an integer greater than or equal to 2.
EXAMPLE III
The embodiment provides an engineering machine, which comprises a telescopic arm support provided by the second embodiment of the invention.
The engineering machine provided by the embodiment of the invention uses the telescopic arm support provided by the second embodiment of the invention, so that the working efficiency of the engineering machine is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A guide sliding assembly is arranged between a first component (111) and a second component (112) which slide relatively, the first component (111) is provided with an arc-shaped groove, the second component (112) can reciprocate along the length direction of the arc-shaped groove, and the guide sliding assembly is characterized by comprising a base (101), the base (101) is fixedly connected with the second component (112), the base (101) is provided with an arc surface matched with the arc-shaped groove, a plurality of balls (105) are arranged on the arc surface, and the balls (105) are used for contacting with the inner surface of the arc-shaped groove.
2. The guiding slide assembly according to claim 1, wherein the arc surface is provided with a plurality of grooves (104) arranged in rows and columns, and the balls (105) are retained in the grooves (104).
3. Guide slide according to claim 2, characterized in that the inner surface of the groove (104) is a spherical cap surface adapted to the outer surface of the ball (105).
4. The guiding slide assembly according to any of claims 1 to 3, further comprising a limiting portion fixedly connected to the base (101), wherein the limiting portion comprises an arc-shaped plate (102) adapted to the arc-shaped surface, wherein the arc-shaped plate (102) is provided with a plurality of through holes (108), and the through holes (108) are used for limiting the balls (105) so that the balls (105) roll in the through holes (108).
5. The guide slide assembly of claim 4, characterized in that the center of the ball (105) is located below the upper surface of the arcuate plate (102).
6. The guiding slide assembly according to claim 4, wherein the limiting portion further comprises a connecting plate (103), wherein the connecting plate (103) is fixedly connected with the arc-shaped plate (102), and the connecting plate (103) is fixedly connected with the base (101).
7. Guide slide assembly according to claim 6, characterized in that the connection plate (103) is provided integrally with the arc-shaped plate (102).
8. Guide slide according to claim 6, characterized in that the connection plate (103) is fixedly connected to the base (101) by means of screws.
9. A telescopic arm support is characterized by comprising a first arm section (109), a second arm section (110) and the guide sliding assembly of any one of claims 1 to 8, wherein the first arm section (109) is sleeved outside the second arm section (110), the arc-shaped groove is formed in the inner surface of the first arm section (109), the second arm section (110) can reciprocate along the length direction of the arc-shaped groove, and the base (101) is fixedly connected with the outer surface of the second arm section (110).
10. A working machine, characterized in that it comprises a telescopic boom according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010570802.1A CN111677756A (en) | 2020-06-19 | 2020-06-19 | Guide sliding assembly, telescopic boom and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010570802.1A CN111677756A (en) | 2020-06-19 | 2020-06-19 | Guide sliding assembly, telescopic boom and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111677756A true CN111677756A (en) | 2020-09-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010570802.1A Pending CN111677756A (en) | 2020-06-19 | 2020-06-19 | Guide sliding assembly, telescopic boom and engineering machinery |
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| Country | Link |
|---|---|
| CN (1) | CN111677756A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5948388A (en) * | 1982-08-10 | 1984-03-19 | ポタン・ポクラン・マテリエル（ペ−・ペ−・エム） | Telescopic boom |
| EP2184251A1 (en) * | 2008-11-07 | 2010-05-12 | Kobelco Cranes Co., Ltd. | Telescopic boom |
| CN201962001U (en) * | 2010-11-04 | 2011-09-07 | 三一汽车起重机械有限公司 | Slide-block assembly of crane telescopic arm, crane telescopic arm and crane |
| CN205371307U (en) * | 2016-03-15 | 2016-07-06 | 王金兰 | A take ball formula slider for guide rail |
| CN205824544U (en) * | 2016-07-21 | 2016-12-21 | 泰州市创新电子有限公司 | A kind of abnormity spline slide rail and display lowering or hoisting gear |
| CN207026297U (en) * | 2017-06-20 | 2018-02-23 | 苏州钛盟科技精密模具有限公司 | A kind of special-shaped ball-type guide column sleeve |
| CN210193256U (en) * | 2019-06-28 | 2020-03-27 | 四川庞源机械设备有限公司 | Telescopic arm of crane |
-
2020
- 2020-06-19 CN CN202010570802.1A patent/CN111677756A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5948388A (en) * | 1982-08-10 | 1984-03-19 | ポタン・ポクラン・マテリエル（ペ−・ペ−・エム） | Telescopic boom |
| EP2184251A1 (en) * | 2008-11-07 | 2010-05-12 | Kobelco Cranes Co., Ltd. | Telescopic boom |
| CN201962001U (en) * | 2010-11-04 | 2011-09-07 | 三一汽车起重机械有限公司 | Slide-block assembly of crane telescopic arm, crane telescopic arm and crane |
| CN205371307U (en) * | 2016-03-15 | 2016-07-06 | 王金兰 | A take ball formula slider for guide rail |
| CN205824544U (en) * | 2016-07-21 | 2016-12-21 | 泰州市创新电子有限公司 | A kind of abnormity spline slide rail and display lowering or hoisting gear |
| CN207026297U (en) * | 2017-06-20 | 2018-02-23 | 苏州钛盟科技精密模具有限公司 | A kind of special-shaped ball-type guide column sleeve |
| CN210193256U (en) * | 2019-06-28 | 2020-03-27 | 四川庞源机械设备有限公司 | Telescopic arm of crane |
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Application publication date: 20200918 |