CN102887444A - Sliding device for telescopic arm support and telescopic arm support - Google Patents
Sliding device for telescopic arm support and telescopic arm support Download PDFInfo
- Publication number
- CN102887444A CN102887444A CN2012103681640A CN201210368164A CN102887444A CN 102887444 A CN102887444 A CN 102887444A CN 2012103681640 A CN2012103681640 A CN 2012103681640A CN 201210368164 A CN201210368164 A CN 201210368164A CN 102887444 A CN102887444 A CN 102887444A
- Authority
- CN
- China
- Prior art keywords
- carriage
- stay bearing
- telescopic arm
- arm support
- plates
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses a sliding device for a telescopic arm support. The sliding device comprises two supporting plates, an eccentric shaft, two installation plates, sliding pieces, installation shafts and a baffle plate; an interval is reserved between the two supporting plates, and one supporting plate is provided with a plurality of adjustment holes; the eccentric shaft comprises a main body part and an eccentric part which is protruded on the main body part in a radial direction; two ends of the main body part are arranged on the two supporting plates respectively; an interval is reserved between the two installation plates, and the two installation plates are positioned between the two supporting plates and are sleeved on the eccentric part; the installation shafts are arranged between the two installation plates; two ends of each installation shaft are connected with the two installation plates respectively; the sliding pieces are arranged on the installation shafts; the baffle plate is fixedly connected with the main body part and is near the supporting plate which is provided with the adjustment holes; the baffle plate drives the eccentric shaft to rotate when rotating; and the baffle plate is fixed in one adjustment hole in the supporting plate.
Description
Technical field
The present invention relates to technical field of engineering machinery, especially relate to the employed carriage of telescopic arm support of the boom type construction machinery and equipments such as a kind of hoisting crane, concrete pump truck and the special-use vehicles such as aerial platform, elevating fire truck.
Background technology
In current construction machinery and equipment (for example hoisting crane, concrete pump truck) and special-use vehicle (for example aerial platform, elevating fire truck) market, the boom system that quite a few product is arranged is to adopt telescopic arm support.Telescopic arm support is to take the mutually nested version of a plurality of arm joints, the inner arm joint is set in the outer arm joint, utilize retractor device (for example telescopic oil cylinder) control inner arm joint flexible to change the length of whole jib with respect to the outer arm joint, people or thing are transported to the predetermined work zone, reach the purpose of its work.
For guaranteeing the relative motion that inside and outside arm saves and not having larger resistance and wearing and tearing between the two that usually be provided with carriage between the inside and outside arm joint, this carriage can be roller or slide block.Usually, roller (or slide block) is arranged on the bottom of inner arm joint and the top of outer arm joint, and each end is guaranteed multi-point support all along a plurality of rollers (or slide block) circumferentially are set.When the jib fore and aft motion, inside and outside arm joint slides at roller or slide block, to guarantee the jib normal operation.
Because the support between inner arm joint and the outer arm joint realizes by roller or slide block, and when making jib, because various manufacturing errorss, the inevitable roller (or slide block) that produces produces the gap when supporting, cause not reaching supported jib face, cause easily the stress of support to concentrate situation, jib is produced destroy.For example, when the edge, bottom of inner arm joint circumferentially is provided with four rolling (or slide block), if wherein there is the gap in three rollers (or slide block) and outer arm joint and when not reaching the jib face of outer arm joint when supporting, the stress of support is concentrated on the remaining roller (or slide block), and this roller (or slide block) just damages easily and jib is also produced destruction easily.In the current techniques, existence can't be regulated the defective in gap, when there is manufacturing errors in jib, can't regulate making roller (or slide block) contact supported jib face fully.
Summary of the invention
The embodiment of the invention provides a kind of carriage for telescopic arm support, can regulate easily supporting gap, guarantees that roller (or slide block) contacts fully with supported jib face.
The embodiment of the invention provides a kind of carriage for telescopic arm support, comprises two stay bearing plates, eccentric shaft, two adapter plates, sliding part, installation shaft and baffle plates; Described two stay bearing plate spaces arrange, and offer a plurality of adjusting holes on one of them stay bearing plate; Described eccentric shaft comprises main part and radially protrudes the eccentric part that is formed on the described main part that the two ends of described main part are installed in respectively on described two stay bearing plates; Described two adapter plate spaces arrange and between described two stay bearing plates, described two adapter plates are sheathed to be installed on the described eccentric part; Described installation shaft is located between described two adapter plates, and the two ends of described installation shaft are connected on described two adapter plates; Described sliding part is installed on the described installation shaft; Described baffle plate is fixedly connected on the described main part and closes on that stay bearing plate setting that offers adjusting hole, described baffle plate drives described eccentric shaft and rotates together when rotating, make described eccentric part deflect linkage drive described adapter plate and described sliding part to supported jib face near or away from; Described baffle plate is fixed on after rotating in the adjusting hole on the described stay bearing plate.
Further, described telescopic arm support comprises inner arm joint and outer arm joint, and described two stay bearing plates are the member that is independent of inside and outside arm joint, and described two stay bearing plates are fixed on inner arm joint or the outer arm joint.
Further, described telescopic arm support comprises inner arm joint and outer arm joint, and described two stay bearing plates are integral with inside and outside arm restraining from the part as inside and outside arm joint.
Further, described main part has central axis, and a plurality of adjusting holes on the described stay bearing plate are distributed on the concentric circles take described central axis as the center of circle.
Further, described sliding part is roller, and described roller can rotate around described installation shaft.
Further, described sliding part is slide block.
Further, described carriage also comprises connecting element, and described baffle plate is fixed in the adjusting hole on the described stay bearing plate by described connecting element.
Further, the quantity of described roller is two, is distributed in the place ahead and the rear of described eccentric shaft; The quantity of described installation shaft is two, and described two rollers are installed in respectively on described two installation shaft.
Further, described each adapter plate closes on one of them stay bearing plate setting, offer the first perforation and the second perforation on each adapter plate, described two adapter plates are by sheathed being installed on the described eccentric part of described the first perforation, and the two ends of described installation shaft are located in respectively in the second perforation of described two adapter plates.
The embodiment of the invention also provides a kind of telescopic arm support, comprises the mutually nested arm joint together of at least two joints, is provided with above-mentioned carriage between adjacent outer arm joint and the inner arm joint.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is: the carriage that is used for telescopic arm support that above-described embodiment provides, adjust easily the gap between sliding part and the supported jib face in the time of can installing, adjusting distance can make amendment according to different eccentric shafts and adjusting hole, greatly facilitates assembling and manufacturing.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the carriage that is used for telescopic arm support that provides of the embodiment of the invention;
Fig. 2 is the scheme drawing of the baffle plate of the carriage that is used for telescopic arm support that provides of the embodiment of the invention when being in 0 °;
Fig. 3 is the scheme drawing of the baffle plate of the carriage that is used for telescopic arm support that provides of the embodiment of the invention when being in θ 1;
Fig. 4 is the scheme drawing of the baffle plate of the carriage that is used for telescopic arm support that provides of the embodiment of the invention when being in θ 2.
The specific embodiment
The embodiment of the invention provides a kind of carriage for telescopic arm support.
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Please refer to Fig. 1, be the structural representation of a kind of carriage for telescopic arm support of providing of the embodiment of the invention, this carriage comprises two stay bearing plates 11, eccentric shaft 12, two adapter plates 13, sliding part 15, installation shaft 14, baffle plate 16 and connecting elements 17.
Two stay bearing plates 11 are used for supporting and fixed eccentric shaft 12.Two stay bearing plate 11 spaces be arranged in parallel and are distributed in the outermost both sides of carriage.Offer a plurality of adjusting holes 111 on one of them stay bearing plate 11, be used for a plurality of setting angles of controllable register 16.The member that stay bearing plate 11 can save for being independent of inside and outside arm, and be fixed on inner arm joint or the outer arm joint; Stay bearing plate 11 also can from the part as inside and outside arm joint, namely be integral with inside and outside arm restraining.
Two adapter plates 13 are used for installing and supporting installation shaft 14, two adapter plate 13 spaces be arranged in parallel and between two stay bearing plates 11, each adapter plate 13 closes on one of them stay bearing plate 11 and arranges, offer the first perforation (scheming not label) on each adapter plate 13, two adapter plates 13 are by sheathed being installed on the eccentric part 122 of the first perforation.
Sliding part 15 and being installed on the installation shaft 14 is used for supporting arm frame to reduce friction.In the present embodiment, sliding part 15 is roller, and roller can rotate around installation shaft 14, and the quantity of roller is two, is distributed in the place ahead and the rear of eccentric shaft 12, and the quantity of installation shaft 14 also is two, and two rollers are installed in respectively on two installation shaft 14.In other embodiments, sliding part 15 also can be slide block.
Connecting element 17 is used for fixed dam 16 and eccentric shaft 12.In the present embodiment, connecting element 17 is screw.
More than be the structure of carriage, the below describes the gap adjustment function that carriage has:
Please refer to Fig. 2, is the baffle plate 16 of carriage in the embodiment of the invention scheme drawing when being in 0 °, and roller is installed on the installation shaft 14, is used for supporting supported jib face A(figure and dots).Baffle plate 16 is fixed in that adjusting hole 111 that is in 0 ° of angle by connecting element 17.
When needs carry out the gap adjustment, unclamp first connecting element 17, can pass through butterfly 16, baffle plate 16 drives simultaneously eccentric shaft 12 and rotates together, the main part 121 of eccentric shaft 12 is rotated in perforation with respect to stay bearing plate 11, the eccentric part 122 of eccentric shaft 12 deflects in the first perforation with respect to adapter plate 13 simultaneously, linkage drive adapter plate 13 and roller to supported jib face A near or away from (shown in the figure for upwards raise together or reduce downwards), reach the function in the gap between adjustment roller and the supported jib face A.When baffle plate 16 drove eccentric shaft 12 rotation, the central axis O2 of eccentric part 122 rotated around the central axis O1 of main part 121.Concrete deflection angle can be according to the position of different adjusting play controllable registers 16 with respect to adjusting hole 111, when the angle of for example offering adjusting hole 111 is 45 °, 0 ° ,-45 ° ,-90 °, scheme drawing when Figure 3 shows that baffle plate 16 rotations to 45 ° (θ 1), the scheme drawing when Figure 4 shows that baffle plate 16 rotations to-90 ° (θ 2).
Need to prove that the stress that above-mentioned carriage produces when adopting two rollers finely to reduce the roller supporting jib is concentrated, but only adopts a roller also to be fine; Roller also can be revised as slide block; Adjusting hole can increase or reduce; Connecting element can also adopt other fixing mode except screw; Eccentric shaft can adopt different eccentric distances and the eccentric shaft can be without the Step Shaft form.
Comprehensively above-mentioned, the carriage that is used for telescopic arm support that the embodiment of the invention provides, adjust easily the gap between sliding part and the supported jib face in the time of can installing, adjust distance and can make amendment according to different eccentric shafts and adjusting hole, greatly facilitate assembling and manufacturing.
Except above-mentioned carriage, the embodiment of the invention also provides a kind of telescopic arm support, comprise the mutually nested a plurality of arm joints together of at least two joints, be provided with carriage between adjacent outer arm joint and the inner arm joint, carriage is specially the carriage that above-described embodiment provides, because above-mentioned carriage has above-mentioned technique effect, the telescopic arm support with this carriage also has corresponding technique effect.
The embodiment of the invention is intended to protect a kind of structure of the carriage for telescopic arm support; and for not being well acquainted with each other the installation site of this carriage between the alternate arm joint; therefore the carriage of the embodiment of the invention can be installed in different positions as required, and this carriage can be fixed on outer arm joint or the inner arm joint.
Need to prove, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby not only comprise those key elements so that comprise process, method, article or the equipment of a series of key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or equipment.Do not having in the situation of more restrictions, the key element that is limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a carriage that is used for telescopic arm support is characterized in that: comprise two stay bearing plates, eccentric shaft, two adapter plates, sliding part, installation shaft and baffle plates; Described two stay bearing plate spaces arrange, and offer a plurality of adjusting holes on one of them stay bearing plate; Described eccentric shaft comprises main part and radially protrudes the eccentric part that is formed on the described main part that the two ends of described main part are installed in respectively on described two stay bearing plates; Described two adapter plate spaces arrange and between described two stay bearing plates, described two adapter plates are sheathed to be installed on the described eccentric part; Described installation shaft is located between described two adapter plates, and the two ends of described installation shaft are connected on described two adapter plates; Described sliding part is installed on the described installation shaft; Described baffle plate is fixedly connected on the described main part and closes on that stay bearing plate setting that offers adjusting hole, described baffle plate drives described eccentric shaft and rotates together when rotating, make described eccentric part deflect linkage drive described adapter plate and described sliding part to supported jib face near or away from; Described baffle plate is fixed on after rotating in the adjusting hole on the described stay bearing plate.
2. the carriage for telescopic arm support as claimed in claim 1, it is characterized in that, described telescopic arm support comprises inner arm joint and outer arm joint, and described two stay bearing plates are the member that is independent of inside and outside arm joint, and described two stay bearing plates are fixed on inner arm joint or the outer arm joint.
3. the carriage for telescopic arm support as claimed in claim 1 is characterized in that, described telescopic arm support comprises inner arm joint and outer arm joint, and described two stay bearing plates are integral with inside and outside arm restraining from the part as inside and outside arm joint.
4. the carriage for telescopic arm support as claimed in claim 1 is characterized in that, described main part has central axis, and a plurality of adjusting holes on the described stay bearing plate are distributed on the concentric circles take described central axis as the center of circle.
5. the carriage for telescopic arm support as claimed in claim 1 is characterized in that, described sliding part is roller, and described roller can rotate around described installation shaft.
6. the carriage for telescopic arm support as claimed in claim 1 is characterized in that, described sliding part is slide block.
7. the carriage for telescopic arm support as claimed in claim 1 is characterized in that, described carriage also comprises connecting element, and described baffle plate is fixed in the adjusting hole on the described stay bearing plate by described connecting element.
8. the carriage for telescopic arm support as claimed in claim 1 is characterized in that, the quantity of described roller is two, is distributed in the place ahead and the rear of described eccentric shaft; The quantity of described installation shaft is two, and described two rollers are installed in respectively on described two installation shaft.
9. the carriage for telescopic arm support as claimed in claim 1, it is characterized in that, described each adapter plate closes on one of them stay bearing plate setting, offer the first perforation and the second perforation on each adapter plate, described two adapter plates are by sheathed being installed on the described eccentric part of described the first perforation, and the two ends of described installation shaft are located in respectively in the second perforation of described two adapter plates.
10. a telescopic arm support comprises the mutually nested arm joint together of at least two joints, it is characterized in that: be provided with such as each described carriage of claim 1 to 9 between adjacent outer arm joint and the inner arm joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210368164.0A CN102887444B (en) | 2012-09-27 | 2012-09-27 | Sliding device for telescopic arm support and telescopic arm support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210368164.0A CN102887444B (en) | 2012-09-27 | 2012-09-27 | Sliding device for telescopic arm support and telescopic arm support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102887444A true CN102887444A (en) | 2013-01-23 |
| CN102887444B CN102887444B (en) | 2015-07-22 |
Family
ID=47531151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210368164.0A Active CN102887444B (en) | 2012-09-27 | 2012-09-27 | Sliding device for telescopic arm support and telescopic arm support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102887444B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1094733A (en) * | 1964-08-03 | 1967-12-13 | Greater Iowa Corp | Mobile jib-cranes |
| CN201372349Y (en) * | 2009-02-25 | 2009-12-30 | 常州市第八纺织机械有限公司 | Weft insertion trolley sliding device for multi-axial warp knitting machine |
| CN201645874U (en) * | 2010-03-18 | 2010-11-24 | 江苏牧羊集团有限公司 | Adjusting device for gap between circular mould and compression roller |
| CN101922501B (en) * | 2010-09-29 | 2012-07-04 | 中冶南方工程技术有限公司 | Gap-adjustable crossed roller bearing |
| CN202296912U (en) * | 2011-11-04 | 2012-07-04 | 中联重科股份有限公司 | Slide block for telescopic arm support, telescopic arm support and crane |
| CN202379688U (en) * | 2011-12-21 | 2012-08-15 | 湖南星邦重工有限公司 | Adjustable type flexible roller wheel device |
-
2012
- 2012-09-27 CN CN201210368164.0A patent/CN102887444B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1094733A (en) * | 1964-08-03 | 1967-12-13 | Greater Iowa Corp | Mobile jib-cranes |
| CN201372349Y (en) * | 2009-02-25 | 2009-12-30 | 常州市第八纺织机械有限公司 | Weft insertion trolley sliding device for multi-axial warp knitting machine |
| CN201645874U (en) * | 2010-03-18 | 2010-11-24 | 江苏牧羊集团有限公司 | Adjusting device for gap between circular mould and compression roller |
| CN101922501B (en) * | 2010-09-29 | 2012-07-04 | 中冶南方工程技术有限公司 | Gap-adjustable crossed roller bearing |
| CN202296912U (en) * | 2011-11-04 | 2012-07-04 | 中联重科股份有限公司 | Slide block for telescopic arm support, telescopic arm support and crane |
| CN202379688U (en) * | 2011-12-21 | 2012-08-15 | 湖南星邦重工有限公司 | Adjustable type flexible roller wheel device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102887444B (en) | 2015-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103921832A (en) | Steering Column Of Vehicle | |
| CN103502536B (en) | Method and apparatus for driving a pile into a substrate | |
| KR102263077B1 (en) | Rolling-element bearing | |
| US9032832B2 (en) | XY all-directional precision alignment platform | |
| US8573091B2 (en) | Compliant mechanism | |
| EP2637960B1 (en) | Improved block | |
| JP2014196004A (en) | Multidirectional movable body module | |
| JP2014013075A (en) | Roller bearing particularly for tunnel device | |
| KR20160121199A (en) | Helideck structure and ship including the same | |
| CN102756998B (en) | Anti-creeping mechanism for tower top guide pulley and steel wire rope of FAST (Five-hundred-meter Aperture Spherical radio Telescope) feed source supporting tower | |
| CN109178768A (en) | A kind of double rolling bed transportation systems and its working method | |
| US9790920B2 (en) | Rotation driving mechanism for windmill | |
| US20160341353A1 (en) | Levelling unit for cameras or sensors | |
| CN102887444A (en) | Sliding device for telescopic arm support and telescopic arm support | |
| CN110588834A (en) | Omnidirectional chassis and robot | |
| EP3480889A1 (en) | Pedestal apparatus having antenna attached thereto capable of biaxial motion | |
| US20190126955A1 (en) | Switch system for rail-guided vehicle-based transport systems | |
| US8915650B2 (en) | Mechanism for adjusting the rotation direction and speed of an inner ring and an outer ring of a rotary bearing | |
| JP5818241B2 (en) | Spherical drive module and transfer device using the same | |
| CN102061890A (en) | Rotary drilling rig and follow-up frame structure thereof | |
| US10890240B2 (en) | Power transmission apparatus | |
| US8753085B2 (en) | Device for changing a pitch of a blade of an impeller/propeller and a fan comprising the device | |
| JP2017218014A (en) | Omnidirectional wheel and omnidirectional moving body | |
| CN103342281A (en) | Travelling wheel mechanism and travelling system used for ocean engineering crane | |
| CN209127419U (en) | A kind of double rolling bed transportation systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 410200 No. 997, Section 2, Tengfei Road, Wangcheng District, Changsha City, Hunan Province Patentee after: Hunan Zoomlion emergency equipment Co., Ltd Address before: No.997 Jinxing Road, Wangcheng District, Changsha City, Hunan Province Patentee before: Changsha Zhonglian fire fighting Machinery Co., Ltd |
|
| CP03 | Change of name, title or address |