CN203529793U - Amplitude-change pulley block installation structure and crawler crane - Google Patents
Amplitude-change pulley block installation structure and crawler crane Download PDFInfo
- Publication number
- CN203529793U CN203529793U CN201320586540.3U CN201320586540U CN203529793U CN 203529793 U CN203529793 U CN 203529793U CN 201320586540 U CN201320586540 U CN 201320586540U CN 203529793 U CN203529793 U CN 203529793U
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- Prior art keywords
- assembly pulley
- luffing assembly
- fixed type
- change pulley
- mounting structure
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Abstract
The utility model relates to an amplitude-change pulley block installation structure and a crawler crane. The amplitude-change pulley block installation structure comprises a plurality of first lug plates and a plurality of second lug plates, wherein the first lug plates are arranged on the upper surface of the rear part of a rotary table; the second lug plates are arranged on the side surface of the rear part of the rotary table; the first lug plates and the second lug plates respectively correspond to a fixed type amplitude-change pulley block and a detachable type amplitude-change pulley block; the fixed type amplitude-change pulley block or the detachable type amplitude-change pulley block is installed by being selected according to working conditions. According to the utility model, lug plate structures used for installing the fixed type amplitude-change pulley block and the detachable type amplitude-change pulley block are respectively arranged on the upper surface and side surface of the rear part of the rotary table, the fixed type amplitude-change pulley block or the detachable type amplitude-change pulley block is installed by being selected according to the working conditions, and then the general interchange of two types of amplitude-change pulley blocks is realized, in such a way, the installation requirement of a user for realizing the general interchange of the two types of amplitude-change pulley blocks in one rotary table is met.
Description
Technical field
The utility model relates to engineering machinery field, relates in particular to a kind of luffing assembly pulley mounting structure and crawler crane.
Background technology
Crawler crane is a kind of truss-type cantilever crane structure hoisting crane that adopts caterpillar band traveling chassis.In crawler crane, include for placing the turntable of power system, power hydraulic system etc., the key structure part that this caterpillar crane turntable is got on or off the bus as connection, parts and the mechanisms such as hydraulic reservoir, fuel tank, engine system are laid in inside, and the parts such as outside and luffing assembly pulley, mast, principal arm coxopodite arm, counterbalanced weight are connected.
Luffing assembly pulley is arranged on the rear portion of caterpillar crane turntable, is conventionally divided into fixed type and detachable, and the connection mode of these two kinds of luffing assembly pulleys and turntable is different.But the version of caterpillar crane turntable can only meet the wherein assembling of a kind of luffing assembly pulley (being fixed type or detachable) at present, so the luffing assembly pulley of two kinds of forms can not be realized general exchange on same turntable, can not meet the requirement of client to the general exchange of multi-form luffing assembly pulley assembling mode.
Utility model content
The purpose of this utility model is to propose a kind of luffing assembly pulley mounting structure and crawler crane, can make fixed type or detachable luffing assembly pulley on same turntable, realize general exchange, meet the requirement of client to the general exchange of multi-form luffing assembly pulley assembling mode.
For achieving the above object, the utility model provides a kind of luffing assembly pulley mounting structure, comprise: a plurality of the second otic placodes that a plurality of the first otic placodes that the upper surface at turntable rear portion arranges and the side surface at described turntable rear portion arrange, described the first otic placode and described the second otic placode correspond respectively to fixed type luffing assembly pulley and detachable luffing assembly pulley, can select described fixed type luffing assembly pulley or detachable luffing assembly pulley to install according to operating mode.
Further, selecting under the operating mode of described fixed type luffing assembly pulley, described fixed type luffing assembly pulley is arranged between described the first otic placode by the first connection bearing pin.
Further, on described the first otic placode corresponding to the both sides of described fixed type luffing assembly pulley, be also provided with anti-rotation block, described anti-rotation block is provided with draw-in groove, and the described first end that connects bearing pin is fixedly connected with axle end baffle plate, and described axle end baffle plate coordinates with the draw-in groove of described anti-rotation block.
Further, selecting under the operating mode of described detachable luffing assembly pulley, described detachable luffing assembly pulley is arranged between described the second otic placode by the second connection bearing pin.
Further, described second connects bearing pin comprises two sections, between described the second otic placode, be also provided with two groups of hydraulic actuating cylinders, described two groups of hydraulic actuating cylinders respectively with two periods second be connected bearing pin and connect, by hydraulic driving mode, between described the second otic placode, install described second and connect bearing pin.
For achieving the above object, the utility model provides a kind of crawler crane, comprises turntable, it is characterized in that, also comprises aforesaid luffing assembly pulley mounting structure.
Based on technique scheme, the otic placode structure that upper surface and the side surface of the utility model at turntable rear portion is provided for respectively installing fixed type luffing assembly pulley and detachable luffing assembly pulley, can select described fixed type luffing assembly pulley or detachable luffing assembly pulley to install according to operating mode, realize the general exchange of the luffing assembly pulley of two kinds of forms, so just can meet the installation requirements of general exchange that user realizes the luffing assembly pulley of two kinds of forms in a turntable.
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 the structural representation of an embodiment of the utility model luffing assembly pulley mounting structure.
Fig. 2 is the local enlarged diagram of circle part in Fig. 1 embodiment.
Fig. 3 is the turntable overall schematic that the utility model luffing assembly pulley mounting structure embodiment selects fixed type luffing assembly pulley to install.
Fig. 4 is the mounting structure schematic diagram of fixed type luffing assembly pulley in the utility model luffing assembly pulley mounting structure embodiment.
Fig. 5 is the turntable overall schematic that the utility model luffing assembly pulley mounting structure embodiment selects detachable luffing assembly pulley to install.
Fig. 6 is the mounting structure schematic diagram of detachable luffing assembly pulley in the utility model luffing assembly pulley mounting structure embodiment.
The specific embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
As shown in Figure 1, be the structural representation of an embodiment of the utility model luffing assembly pulley mounting structure.Fig. 2 is the local enlarged diagram of circle part in Fig. 1 embodiment.According to the embodiment shown in Fig. 1 and Fig. 2, luffing assembly pulley mounting structure comprises: a plurality of the second otic placodes 3 that a plurality of the first otic placodes 2 that the upper surface at turntable 1 rear portion arranges and the side surface at turntable 1 rear portion arrange, the first otic placode 2 and the second otic placode 3 correspond respectively to fixed type luffing assembly pulley and detachable luffing assembly pulley, can select fixed type luffing assembly pulley or detachable luffing assembly pulley to install according to operating mode.
By the upper surface at turntable rear portion and side surface, be provided for respectively installing the otic placode structure of fixed type luffing assembly pulley and detachable luffing assembly pulley, can select described fixed type luffing assembly pulley or detachable luffing assembly pulley to install according to operating mode, realize the general exchange of the luffing assembly pulley of two kinds of forms, so just can meet the installation requirements of general exchange that user realizes the luffing assembly pulley of two kinds of forms in a turntable.
Fig. 3 and Fig. 4 show the mounting structure under the operating mode of selecting fixed type luffing assembly pulley, and as we can see from the figure, fixed type luffing assembly pulley 4 is arranged on 2 of the first otic placodes by the first connection bearing pin 43.Can good rotation on the first connection bearing pin 43 in order to ensure fixed type luffing assembly pulley 4, need to be by stable being fixed on the first otic placode 2 of the first connection bearing pin 43.Therefore, can on the first otic placode 2 corresponding in the both sides of fixed type luffing assembly pulley 4, anti-rotation block 41 be set, this anti-rotation block 41 is provided with draw-in groove, and the first end that connects bearing pin 43 is fixedly connected with axle end baffle plate 42, by axle end baffle plate 42, coordinated with the draw-in groove of anti-rotation block 41, thereby obtain stable fixed effect.
Fig. 5 and Fig. 6 show the mounting structure under the operating mode of selecting detachable luffing assembly pulley, and as we can see from the figure, detachable luffing assembly pulley 5 is arranged on 3 of the second otic placodes by the second connection bearing pin 51.In order to facilitate the dismounting of this luffing assembly pulley, the second connection bearing pin 51 can be made as to two sections, and two groups of hydraulic actuating cylinders 52 are set between the second otic placode 3, these two groups of hydraulic actuating cylinders 52 respectively with two periods second be connected bearing pin 51 and connect, by hydraulic driving mode, complete the installation 3 of the second otic placodes at the second connection bearing pin 51.
By the explanation to several embodiment of the utility model luffing assembly pulley mounting structure above, can see that luffing assembly pulley mounting structure realization of the present utility model is convenient, and rational in infrastructure, can meet user and in a turntable, realize the installation requirements of the general exchange of fixed type luffing assembly pulley and detachable luffing assembly pulley, further play product configuration, the effect that improves the competitiveness of product in market enriched.
Several embodiment of luffing assembly pulley mounting structure of the present utility model can be applied in the crawler crane that has comprised turntable, made to comprise that the crawler crane of above-mentioned any luffing assembly pulley mounting structure embodiment can correspondingly realize the general exchange of the luffing assembly pulley of two kinds of forms, met the installation requirements of general exchange that user realizes the luffing assembly pulley of two kinds of forms in a turntable.
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 (6)
1. a luffing assembly pulley mounting structure, it is characterized in that, comprise: a plurality of the second otic placodes that a plurality of the first otic placodes that the upper surface at turntable rear portion arranges and the side surface at described turntable rear portion arrange, described the first otic placode and described the second otic placode correspond respectively to fixed type luffing assembly pulley and detachable luffing assembly pulley, can select described fixed type luffing assembly pulley or detachable luffing assembly pulley to install according to operating mode.
2. luffing assembly pulley mounting structure according to claim 1, is characterized in that, is selecting under the operating mode of described fixed type luffing assembly pulley, and described fixed type luffing assembly pulley is arranged between described the first otic placode by the first connection bearing pin.
3. luffing assembly pulley mounting structure according to claim 2, it is characterized in that, on described the first otic placode corresponding to the both sides of described fixed type luffing assembly pulley, be also provided with anti-rotation block, described anti-rotation block is provided with draw-in groove, the described first end that connects bearing pin is fixedly connected with axle end baffle plate, and described axle end baffle plate coordinates with the draw-in groove of described anti-rotation block.
4. luffing assembly pulley mounting structure according to claim 1, is characterized in that, is selecting under the operating mode of described detachable luffing assembly pulley, and described detachable luffing assembly pulley is arranged between described the second otic placode by the second connection bearing pin.
5. luffing assembly pulley mounting structure according to claim 4, it is characterized in that, described second connects bearing pin comprises two sections, between described the second otic placode, be also provided with two groups of hydraulic actuating cylinders, described two groups of hydraulic actuating cylinders respectively with two periods second be connected bearing pin and connect, by hydraulic driving mode, between described the second otic placode, install described second and connect bearing pin.
6. a crawler crane, comprises turntable, it is characterized in that, also comprises the arbitrary described luffing assembly pulley mounting structure of claim 1～5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320586540.3U CN203529793U (en) | 2013-09-22 | 2013-09-22 | Amplitude-change pulley block installation structure and crawler crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320586540.3U CN203529793U (en) | 2013-09-22 | 2013-09-22 | Amplitude-change pulley block installation structure and crawler crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203529793U true CN203529793U (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320586540.3U Expired - Lifetime CN203529793U (en) | 2013-09-22 | 2013-09-22 | Amplitude-change pulley block installation structure and crawler crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203529793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110937527A (en) * | 2019-11-28 | 2020-03-31 | 徐工集团工程机械股份有限公司建设机械分公司 | Balanced heavy display structure and hoist that articulates |
-
2013
- 2013-09-22 CN CN201320586540.3U patent/CN203529793U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110937527A (en) * | 2019-11-28 | 2020-03-31 | 徐工集团工程机械股份有限公司建设机械分公司 | Balanced heavy display structure and hoist that articulates |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |