CN203865889U - Mounting positioning device for mast and rotary table and crawler crane - Google Patents
Mounting positioning device for mast and rotary table and crawler crane Download PDFInfo
- Publication number
- CN203865889U CN203865889U CN201420142359.8U CN201420142359U CN203865889U CN 203865889 U CN203865889 U CN 203865889U CN 201420142359 U CN201420142359 U CN 201420142359U CN 203865889 U CN203865889 U CN 203865889U
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- China
- Prior art keywords
- mast
- mounting
- turntable
- cross
- positioning device
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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
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- 238000009434 installation Methods 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 238000009432 framing Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
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- Jib Cranes (AREA)
Abstract
The utility model relates to a mounting positioning device for a mast and a rotary table and a crawler crane. A connection hole is formed in the bottom end of the mast; the rotary table is provided with a mounting hole; a pin shaft inserts into the connection hole in the bottom end of the mast and the mounting hole of the rotary table to enable the mast to be connected onto the rotary table; the mast can rotate surrounding the rotary table through the pin shaft; the mounting positioning device further comprises a positioning block and a guiding block; the positioning block is arranged on the bottom surface of the mast; the guiding block is arranged on the top surface of the rotary table; the mounting and positioning of the mast and the rotary table are realized through connection of the positioning block onto the guiding block. The mounting positioning device can effectively improve front and rear positioning accuracy of the mast, and greatly improve mounting efficiency of the mast.
Description
Technical field
The utility model relates to engineering machinery field, is specifically related to the mounting and positioning device of a kind of mast and turntable and has the crawler crane of the mounting and positioning device of this mast and turntable.
Background technology
That crawler crane refers to is that a kind of building operation is used, adopt hoisting crane truss arm structure, adjustable lifting altitude and amplitude of caterpillar band traveling chassis.Mast refers to a kind of framing member that changes amplitude for crawler crane boom, coordinates arm-tie, drag-line and luffing assembly pulley to use simultaneously, by changing mast angle, changes jib amplitude.Registration device refers to for the mast location on fore-and-aft direction when mounted, improves installation effectiveness.
Mast structure is the important structure that jib changes amplitude, for middle its weight of large-tonnage crawler crane, often can reach several 5-8 tons, length can reach 10 meters of left and right, and the knock hole that bearing pin is installed is of a size of 0.2 meter, therefore in installation process as without suitable mounting and positioning device, mast is in the whereabouts installation process of slinging, because mounting hole is compared size and is differed larger with mast structure, the difficulty that hole is installed sharply increases, often needing to expend a few hours just can complete hole is installed, and mast installation effectiveness is too low.
Utility model content
The purpose of this utility model is mounting and positioning device and the crawler crane that proposes a kind of mast and turntable, and the mounting and positioning device of this mast and turntable has solved the problems referred to above effectively.
For achieving the above object, the utility model provides following technical scheme:
A mounting and positioning device for mast and turntable, mast bottom has connecting bore, and turntable has mounting hole, and bearing pin inserts in the connecting bore of mast bottom and the mounting hole of turntable mast is connected on turntable, and mast rotates by the bearing pin platform that can rotate;
Mounting and positioning device also comprises locating piece and orienting lug, and locating piece is arranged on the bottom surface of mast, and orienting lug is arranged on the end face of turntable, is connected to the installation that realizes mast and turntable on orienting lug locates by locating piece.
At one preferably or alternatively in embodiment, locating piece has groove, and groove extends inward from the bottom surface of locating piece, and orienting lug comprises projection, projection is arranged on the end face of orienting lug, and the projection by orienting lug is embedded into the installation that realizes mast and turntable in the groove of locating piece and locates.
At one, preferably or alternatively in embodiment, the cross-sectional plane of groove and the cross-sectional plane of projection are all circular, and the circular diameter of the cross-sectional plane of groove is greater than the circular diameter of the cross-sectional plane of projection.
At one preferably or alternatively in embodiment, the circular diameter of the cross-sectional plane of groove is greater than 2 times of circular diameter of cross-sectional plane of projection and is less than 4 times of circular diameter of the cross-sectional plane of projection.
At one preferably or alternatively in embodiment, 3 times of the circular diameter of the cross-sectional plane that the circular diameter of the cross-sectional plane of groove is projection.
At one, preferably or alternatively in embodiment, locating piece is welded on the bottom surface of mast, and orienting lug is bolted on the end face of turntable.
At one, preferably or alternatively in embodiment, locating piece and orienting lug are all that corrosion-resistant steel is made.
The utility model also provides following technical scheme:
A crawler crane, crawler crane comprises the mounting and positioning device of mast as above and turntable.
Arbitrary technical scheme based in technique scheme, the utility model embodiment at least can produce following technique effect:
Because mast provided by the utility model bottom has connecting bore, turntable has mounting hole, and bearing pin inserts in the connecting bore of mast bottom and the mounting hole of turntable mast is connected on turntable, and mast rotates by the bearing pin platform that can rotate; Mounting and positioning device also comprises locating piece and orienting lug, locating piece is arranged on the bottom surface of mast, orienting lug is arranged on the end face of turntable, by locating piece, being connected to the installation that realizes mast and turntable on orienting lug locates, can improve mast front and back positional accuracy by actv., greatly improve mast installation effectiveness.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is that the mast installation of crawler crane of the present utility model is positioned at the structural representation on turntable;
Fig. 2 is the structural representation of locating piece of the present utility model and orienting lug.
The specific embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
It should be noted that: any technical characterictic in the present embodiment, any technical scheme is all the technical characterictic of plurality of optional or one or more in optional technical scheme, cannot exhaustive all alternative technical characterictics of the present utility model and alternative technical scheme in order to describe succinct need in presents, also the embodiment that is not easy to each technical characterictic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: any technical characterictic in the present embodiment and any technical scheme all do not limit protection domain of the present utility model, protection domain of the present utility model should comprise that those skilled in the art do not pay the thinkable any alternate embodiments of creative work.
Below in order to narrate conveniently, hereinafter alleged " left side ", " right side ", " on ", left and right, the upper and lower of D score and accompanying drawing itself is to consistent.
As shown in Figure 1, 2, the mounting and positioning device of a kind of mast 1 and turntable 2, mast 1 bottom has connecting bore, turntable 2 has mounting hole 3, bearing pin (not shown) is inserted in the connecting bore of mast 1 bottom and the mounting hole 3 of turntable 2 mast 1 is connected on turntable 2, and mast 1 rotates by the bearing pin platform 2 that can rotate;
Mounting and positioning device also comprises locating piece 4 and orienting lug 5, and locating piece 4 is arranged on the bottom surface of mast 1, and orienting lug 5 is arranged on the end face of turntable 2, is connected to the installation that realizes mast 1 and turntable 2 on orienting lug 5 locates by locating piece 4.
Locating piece 4 has groove 6, groove 6 extends inward from the bottom surface of locating piece 4, orienting lug 5 comprises projection 7, and projection 7 is arranged on the end face of orienting lug 5, and the projection 7 by orienting lug 5 is embedded into the installation that realizes mast 1 and turntable 2 in the groove 6 of locating piece 4 and locates.
The cross-sectional plane of the cross-sectional plane of groove 6 and projection 7 is all circular, and the circular diameter of the cross-sectional plane of groove 6 is greater than the circular diameter of the cross-sectional plane of projection 7.
When the circular diameter of the cross-sectional plane of groove is greater than the circular diameter of cross-sectional plane of projection, in the process of installing at mast, as long as guarantee that the groove of locating piece and the projection of orienting lug align within the specific limits, in mast dropping process, the projection of orienting lug is embedded into can guarantee the centering of mast on the fore-and-aft direction of installing in the groove of locating piece, thus guarantee that mast installs smoothly, carry out efficiently.
The circular diameter that the circular diameter of the cross-sectional plane of groove is greater than the cross-sectional plane of projection refers to: the circular minimum diameter of the cross-sectional plane of the groove of in the vertical direction is greater than the circular maximum gauge of cross-sectional plane of the projection of in the vertical direction.
The circular diameter of the cross-sectional plane of groove 6 is greater than 2 times of circular diameter of cross-sectional plane of projection 7 and is less than 4 times of circular diameter of the cross-sectional plane of projection 7.
4 times of circular diameter that the circular diameter of the cross-sectional plane of groove is greater than 2 times of circular diameter of cross-sectional plane of projection and is less than the cross-sectional plane of projection refer to: the circular minimum diameter of the cross-sectional plane of the groove of in the vertical direction is greater than 2 times of circular maximum gauge of cross-sectional plane of projection of in the vertical direction and is less than 4 times of circular maximum gauge of cross-sectional plane of the projection of in the vertical direction.
The circular diameter of the cross-sectional plane of groove 6 is 3 times of circular diameter of the cross-sectional plane of projection 7.
3 times of the circular diameter of the cross-sectional plane that the circular diameter of the cross-sectional plane of groove is projection refer to: 3 times of the circular maximum gauge of the cross-sectional plane of the projection that the circular minimum diameter of the cross-sectional plane of the groove of in the vertical direction is in the vertical direction.
Groove 6 and projection 7 can be all cylindrical.
Locating piece 4 is welded on the bottom surface of mast 1, and orienting lug 5 is fixed on the end face of turntable 2 by bolt 8.
Locating piece on mast has directly welded in factory, is welded on locating piece on mast without joining weldering, be arranged on orienting lug on turntable can be on fore-and-aft direction adjusting position, guarantee positional accuracy.When mast is installed first, need to adjust in real time the position of orienting lug, after the adjustment of orienting lug position completes, be that available bolt is fixed, when mast is installed again, as long as guaranteeing that the groove of locating piece and the projection of orienting lug contact within the specific limits just can guarantee the centering of mast on the fore-and-aft direction of installing, thus the installation of assurance mast smoothly, carry out efficiently.
Locating piece 4 and orienting lug 5 are all that corrosion-resistant steel is made, and have improved the service life of locating piece and orienting lug.
A crawler crane, crawler crane comprises mast as above and the mounting and positioning device of turntable.
The other parts of crawler crane can, with reference to prior art, no longer be launched to describe herein.
Above-mentioned arbitrary technical scheme disclosed in the utility model unless otherwise stated, if it discloses number range, so disclosed number range is preferred number range, any it should be appreciated by those skilled in the art: preferred number range is only the obvious or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, cannot be exhaustive, so the utility model just discloses part numerical value with casehistory the technical solution of the utility model, and the above-mentioned numerical value of enumerating should not form the restriction of the utility model being created to protection domain.
If used the words such as " first ", " second " to limit parts herein, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe above parts are distinguished as not having outside Stated otherwise, and above-mentioned word does not have special implication.
Simultaneously, if above-mentioned the utility model discloses or has related to parts or the framing member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can dismantle and be fixedly connected with (for example using bolt or screw to connect), also can be understood as: non-removable being fixedly connected with (for example rivet, weld), certainly, connection fastened to each other also can for example, be replaced (obviously cannot adopt except integrally formed technique) by integral type structure (use foundry technique is integrally formed to be created).
In addition, in the disclosed arbitrary technical scheme of above-mentioned the utility model applied for the term that represents position relationship or shape unless otherwise stated its implication comprise and its approximate, similar or approaching state or shape.Arbitrary parts that the utility model provides can be both to be assembled by a plurality of independent component parts, the produced separate part of the technique that also can be one of the forming.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement the specific embodiment of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (8)
1. the mounting and positioning device of a mast and turntable, it is characterized in that, mast bottom has connecting bore, and turntable has mounting hole, bearing pin inserts in the connecting bore of mast bottom and the mounting hole of turntable mast is connected on turntable, and mast rotates by the bearing pin platform that can rotate;
Mounting and positioning device also comprises locating piece and orienting lug, and locating piece is arranged on the bottom surface of mast, and orienting lug is arranged on the end face of turntable, is connected to the installation that realizes mast and turntable on orienting lug locates by locating piece.
2. mounting and positioning device according to claim 1, it is characterized in that, described locating piece has groove, groove extends inward from the bottom surface of locating piece, described orienting lug comprises projection, projection is arranged on the end face of orienting lug, and the projection by orienting lug is embedded into the installation that realizes mast and turntable in the groove of locating piece and locates.
3. mounting and positioning device according to claim 2, is characterized in that, the cross-sectional plane of groove and the cross-sectional plane of projection are all circular, and the circular diameter of the cross-sectional plane of groove is greater than the circular diameter of the cross-sectional plane of projection.
4. mounting and positioning device according to claim 3, is characterized in that, the circular diameter of the cross-sectional plane of groove is greater than 2 times of circular diameter of cross-sectional plane of projection and is less than 4 times of circular diameter of the cross-sectional plane of projection.
5. mounting and positioning device according to claim 4, is characterized in that, 3 times of the circular diameter of the cross-sectional plane that the circular diameter of the cross-sectional plane of groove is projection.
6. mounting and positioning device according to claim 5, is characterized in that, locating piece is welded on the bottom surface of mast, and orienting lug is bolted on the end face of turntable.
7. mounting and positioning device according to claim 6, is characterized in that, locating piece and orienting lug are all that corrosion-resistant steel is made.
8. a crawler crane, is characterized in that, described crawler crane comprises mast described in claim 1-7 any one and the mounting and positioning device of turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420142359.8U CN203865889U (en) | 2014-03-27 | 2014-03-27 | Mounting positioning device for mast and rotary table and crawler crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420142359.8U CN203865889U (en) | 2014-03-27 | 2014-03-27 | Mounting positioning device for mast and rotary table and crawler crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203865889U true CN203865889U (en) | 2014-10-08 |
Family
ID=51646868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420142359.8U Expired - Lifetime CN203865889U (en) | 2014-03-27 | 2014-03-27 | Mounting positioning device for mast and rotary table and crawler crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203865889U (en) |
-
2014
- 2014-03-27 CN CN201420142359.8U patent/CN203865889U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |
|
| CX01 | Expiry of patent term |