CN202245843U - Telescopic structure and engineering machinery - Google Patents
Telescopic structure and engineering machinery Download PDFInfo
- Publication number
- CN202245843U CN202245843U CN2011203330823U CN201120333082U CN202245843U CN 202245843 U CN202245843 U CN 202245843U CN 2011203330823 U CN2011203330823 U CN 2011203330823U CN 201120333082 U CN201120333082 U CN 201120333082U CN 202245843 U CN202245843 U CN 202245843U
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Abstract
The utility model discloses a telescopic structure and engineering machinery. The telescopic structure comprises a basic boom and a first stage of telescopic boom, and further comprises a pipeline convey device for disposing pipelines, wherein the pipeline convey device comprises a fixed guide groove and a first stage of movable guide groove; the fixed guide groove is installed outside the basic boom, one end of the first stage of movable guide groove is fixed on the movable end part of the first stage of telescopic boom, and the other end of the first stage of movable guide groove is installed in the fixed guide groove in a nesting manner; and the first stage of movable guide groove can slide along the fixed guide groove. The telescopic structure and the engineering machinery disclosed by the utility model can increase the service lives of pipelines without the need to occupy the interior space of a boom by disposing a special pipeline convey device.
Description
Technical field
The utility model relates to engineering machinery field, is meant a kind of stretching structure and construction machinery and equipment especially.
Background technology
Development along with social each side; Building structure is increasingly high; Quantities is increasing; Requirement for high-altitude operation engineering machinery also improves thereupon, and the jib of a lot of high-altitude operation engineering machineries adopts the telescopic boom that changes length through telescoping mechanism usually, and operating personal can be realized aloft work at ground control.Telescopic jib generally is to drive the flexible of jib through stretching of hydraulic ram, and therefore, telescopic jib must be provided with corresponding oil feed line, like hydraulic oil pipe.In addition; Be typically provided with mechanisms such as detecting device on the telescopic jib, in order to detecting the parameters such as flexible state of jib, and send coherent signal to operating personal; Operating personal carries out work through handling device dominant project machinery again, therefore also corresponding cable line need be set.Along with the continuous lengthening of telescopic jib length, the layout of pipeline is also more and more important.
The structural arrangement of telescopic jib diffuser is mainly taked built-in form at present; Promptly be arranged in diffuser in the gap of telescopic jib barrel or arms at different levels; Thereby need take the inner space of jib; And can only arrange pipelines such as a spot of cable, oil pipe, and not be suitable for longer telescopic jib.
The utility model content
The utility model proposes a kind of stretching structure and construction machinery and equipment, through special-purpose pipeline feedway is set, thus the service life that can improve pipeline, and need not take the inner space of jib.
The technical scheme of the utility model is achieved in that
A kind of stretching structure comprises basic arm and is set in the first order telescopic boom in the said basic arm, also comprises:
Be used to be provided with the pipeline feedway of pipeline, said pipeline feedway comprises fixed guide groove and first order activity-oriented groove; Said fixed guide groove is installed on the outside of said basic arm; One end of said first order activity-oriented groove is fixed on the movable end of said first order telescopic boom; And nested being installed in the said fixed guide groove, said first order activity-oriented groove can slide along said fixed guide groove.
Preferably; Also comprise: be set at least one telescopic boom in the said first order telescopic boom step by step and be arranged at the activity-oriented grooves at different levels on each telescopic boom; One end of each activity-oriented groove is fixed on the movable end of corresponding telescopic boom, and nested being installed in the upper class activity-oriented groove.
Preferably; The side of said fixed guide groove is provided with groove along the direction of groove; The side of said activity-oriented groove is provided with groove along the direction of groove; Wherein, the side of first order activity-oriented groove also be provided with said fixed guide groove on the convexity that matches of groove, said first order activity-oriented groove is nested to be installed in the said fixed guide groove thereby make; The side of other activity-oriented groove also be provided with upper class activity-oriented groove on the convexity that matches of groove, other activity-oriented groove is nested to be installed in the upper class activity-oriented groove thereby make.
Preferably; The side of said fixed guide groove is provided with convexity along the direction of groove; The side of said activity-oriented groove is provided with convexity along the direction of groove; Wherein, the side of first order activity-oriented groove also be provided with said fixed guide groove on the groove that matches of convexity, said first order activity-oriented groove is nested to be installed in the said fixed guide groove thereby make; The side of other activity-oriented groove also be provided with upper class activity-oriented groove on the groove that matches of convexity, other activity-oriented groove is nested to be installed in the upper class activity-oriented groove thereby make.
Preferably, comprise the ground floor and the second layer that is used to be provided with the pipeline moving part of activity that is used to be provided with the pipeline fixed part on said fixed guide groove and the said activity-oriented groove at least with the flexible of said telescopic boom.
Preferably, said pipeline feedway also comprises:
The line protecting apparatus that in the said second layer, slides, said pipeline moving part is arranged in the said line protecting apparatus.
Preferably, said line protecting apparatus is a drag chain.
A kind of construction machinery and equipment comprises foregoing stretching structure.
The utility model technical scheme is passed through at the special-purpose pipeline feedway of the outer setting of stretching structure; Said pipeline feedway can stretch along with the flexible of telescopic boom, thereby pipelines such as oil pipe, electric wire are arranged in the said pipeline feedway, makes pipeline can not be exposed to the outside; Be not subject to the influence of external environment; Can better avoid the aging of pipeline, improve service life and safety, and need not take the inner space of jib.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of stretching structure embodiment of the utility model;
Fig. 2 is the schematic cross-section of activity-oriented groove;
Fig. 3 is the schematic cross-section of nested installation between the activity-oriented groove;
Fig. 4 is for being provided with the schematic cross-section of pipeline in the activity-oriented groove;
Fig. 5 is the schematic cross-section of another kind of activity-oriented groove.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
In an embodiment of a kind of stretching structure of the utility model, said stretching structure comprises basic arm 1 and is set in the first order telescopic boom 2 in the said basic arm 1.Can be fixed between said basic arm 1 and the first order telescopic boom 2 through the arm lock.Said stretching structure also comprises the pipeline feedway that is used to be provided with pipeline, and said pipeline feedway comprises fixed guide groove 3 and first order activity-oriented groove 4; Said fixed guide groove 3 is installed on the outside of said basic arm 1; One end of said first order activity-oriented groove 4 is fixed on the movable end of said first order telescopic boom 2; The other end is nested to be installed in the said fixed guide groove 3, and said activity-oriented groove 4 can slide along said fixed guide groove 3.
With reference to Fig. 1; In another embodiment of the utility model; Said stretching structure is except comprising basic arm 1 and being set in the first order telescopic boom 2 in the said basic arm 1, and said stretching structure also comprises at least one telescopic boom 2 that is set in step by step in the said first order telescopic boom 2.
Said basic arm 1 is meant and the non-telescoping jib of construction machinery and equipment body bonded assembly that for the number of telescopic boom 2, the utility model does not limit this, can be according to the actual requirements and the actual conditions setting.
Be equipped with the arm pin between each adjacent telescopic boom 2 and between basic arm 1 and the first order telescopic boom 2; Between the adjacent telescopic boom 2 and the relative position between basic arm 1 and the first order telescopic boom 2 can selectively lock or discharge through this arm pin; Said telescopic oil cylinder can at first lock with final stage telescopic boom 2; Simultaneously final stage telescopic boom 2 and penultimate stage telescopic boom 2 are discharged, this moment, said telescopic oil cylinder can be taken final stage telescopic boom 2 out of; Behind the final stage telescopic boom 2 arrival desired locations itself and penultimate stage telescopic boom 2 are locked again; Regain said telescopic oil cylinder and with 2 lockings of itself and second stage telescopic boom; Then with penultimate stage telescopic boom 2 and level telescopic boom third from the bottom 2 releases; This moment, said telescopic oil cylinder just can be taken second stage telescopic boom 2 out of, and the rest may be inferred just can make telescopic booms 2 at different levels stretch out successively.
In the present embodiment, said stretching structure also comprises the pipeline feedway that is used to be provided with pipeline, and said pipeline feedway comprises fixed guide groove 3 and one-level activity-oriented groove 4 at least; Said fixed guide groove 3 is installed on the outside of said basic arm 1; One end of said activity-oriented groove 4 is fixed on the end of said telescopic boom 2; The other end of said activity-oriented groove 4 is nested to be installed in said fixed guide groove 3 or the upper class activity-oriented groove 4; Be first order activity-oriented groove 4 nested being installed in the said fixed guide groove 3; Other grade activity-oriented groove 4 nested being installed in the upper class activity-oriented groove 4, said activity-oriented groove 4 can slide along said fixed guide groove 3 or upper class activity-oriented groove 4.
Said fixed guide groove 3 is installed on the outside of said basic arm 1 through connecting element (like screw, rivet); One end of said activity-oriented groove 4 is fixed on the cephalic par of said telescopic boom 2, and the other end of said activity-oriented groove 4 is nested to be installed in said fixed guide groove 3 or the upper class activity-oriented groove 4.Therefore; Be arranged at guide groove on the basic arm 1 and be the activity-oriented groove 4 that fixed guide groove 3, one ends are fixed in first order telescopic boom 2 ends and be first order activity-oriented groove 4, be followed successively by secondary activity guide groove 4 then; Tertiary activity guide groove 4; And final stage activity-oriented groove 4, first order activity-oriented groove 4 nested being installed in the fixed guide groove 3, first order activity-oriented groove 4 nested being installed in the secondary activity guide groove 4; And the like, thereby guide groove at different levels all can stretching with telescopic boom 2.
In an embodiment of this utility model; The side of said fixed guide groove 3 is provided with groove along the direction of groove; The side of said activity-oriented groove 4 is provided with groove along the direction of groove; Wherein, the side of first order activity-oriented groove 4 also be provided with said fixed guide groove 3 on the convexity that matches of groove, thereby make said first order activity-oriented groove 4 nested being installed in the said fixed guide groove 3; The side of other activity-oriented groove 4 also be provided with upper class activity-oriented groove 4 on the convexity that matches of groove; Thereby make other activity-oriented groove 4 nested being installed in the upper class activity-oriented groove 4, the convexity on the said activity-oriented groove 4 is arranged at the below of said groove, and Fig. 2, Fig. 3, Fig. 4 are the guide groove schematic cross-section of this structure.
In another embodiment of this utility model; The side of said fixed guide groove 3 is provided with convexity along the direction of groove; The side of said activity-oriented groove 4 is provided with convexity along the direction of groove; Wherein, The side of first order activity-oriented groove 4 also be provided with said fixed guide groove 3 on the groove that matches of convexity, thereby make said first order activity-oriented groove 4 nested being installed in the said fixed guide groove 3, the side of other activity-oriented groove 4 also be provided with upper class activity-oriented groove 4 on the groove that matches of convexity; Thereby make other activity-oriented groove 4 nested being installed in the upper class activity-oriented groove 4, the convexity on the said activity-oriented groove 4 is arranged at the top of said groove.
Need to prove that in the utility model, guide groove can also have other nested structure except above two kinds of nested structures, the utility model does not limit this.The structure of said convexity and groove can be circular, square or other shape, and Fig. 5 shows the guide groove schematic cross-section of another kind of structure, and its convexity and groove are the structure of square or squarish.
In addition, comprise the ground floor 6 and the second layer 7 that is used to be provided with the pipeline moving part of activity that is used to be provided with the pipeline fixed part on said fixed guide groove 3 and the said activity-oriented groove 4 at least with the flexible of said telescopic boom 2.
Need to prove; The pipeline fixed part is not meant and slides or mobile pipeline part with the flexible of telescopic boom 2; And the pipeline moving part is meant the flexible pipeline part of sliding or moving with telescopic boom 2, and in addition, said pipeline fixed part and pipeline moving part are not meant two groups of independent line arranged side by side; And be meant that one group of pipeline comprises fixed part and moving part, in the utility model, all pipelines on the jib are called one group of pipeline.
In addition, in the end in the one-level activity-oriented groove 4, can have only the ground floor 6 that the pipeline fixed part is set, and the second layer 7 of pipeline moving part is not set.
Preferably, said pipeline feedway also comprises:
The line protecting apparatus 5 that in the said second layer 7, slides, said pipeline moving part is arranged in the said line protecting apparatus 5.
Because pipeline moves or can contact with external member when sliding, thereby scratched easily, therefore, the utility model embodiment also is provided with line protecting apparatus 5, and the pipeline moving part is arranged in the said line protecting apparatus 5, can the better protection pipeline.
In a preferred embodiment of the utility model, said line protecting apparatus 5 is preferably drag chain, and certainly, said line protecting apparatus 5 can also be other protection structure, and the utility model does not limit this.
The utility model technical scheme is passed through at the special-purpose pipeline feedway of the outer setting of stretching structure; Said pipeline feedway can stretch along with the flexible of telescopic boom 2, thereby pipelines such as oil pipe, electric wire are arranged in the said pipeline feedway, makes pipeline can not be exposed to the outside; Be not subject to the influence of external environment; Can better avoid the aging of pipeline, improve service life and safety, and need not take the inner space of jib.
In addition; The invention also discloses a kind of construction machinery and equipment; Said construction machinery and equipment comprises the described stretching structure like preceding each embodiment, owing among each embodiment the composition structure of stretching structure is described in detail in front, for length is considered; Repeat no more at this, get final product with reference to the description of front relevant portion.Said construction machinery and equipment specifically can be hoisting crane, pumping car etc., and the utility model does not carry out any qualification to this.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. a stretching structure comprises basic arm (1) and is set in the first order telescopic boom (2) in the said basic arm (1), it is characterized in that, also comprises:
Be used to be provided with the pipeline feedway of pipeline, said pipeline feedway comprises fixed guide groove (3) and first order activity-oriented groove (4); Said fixed guide groove (3) is installed on the outside of said basic arm (1); One end of said first order activity-oriented groove (4) is fixed on the movable end of said first order telescopic boom (2); And nested being installed in the said fixed guide groove (3), said first order activity-oriented groove (4) can slide along said fixed guide groove (3).
2. stretching structure according to claim 1; It is characterized in that; Also comprise: be set at least one telescopic boom (2) in the said first order telescopic boom (2) step by step and be arranged at the activity-oriented grooves at different levels (4) on each telescopic boom (2); One end of each activity-oriented groove (4) is fixed on the movable end of corresponding telescopic boom (2), and nested being installed in the upper class activity-oriented groove (4).
3. stretching structure according to claim 2; It is characterized in that; The side of said fixed guide groove (3) is provided with groove along the direction of groove, and the side of said activity-oriented groove (4) is provided with groove along the direction of groove, wherein; The side of first order activity-oriented groove (4) also be provided with said fixed guide groove (3) on the convexity that matches of groove; Said first order activity-oriented groove (4) is nested to be installed in the said fixed guide groove (3) thereby make, the side of other activity-oriented groove (4) also be provided with upper class activity-oriented groove (4) on the convexity that matches of groove, other activity-oriented groove (4) is nested to be installed in the upper class activity-oriented groove (4) thereby make.
4. stretching structure according to claim 2; It is characterized in that; The side of said fixed guide groove (3) is provided with convexity along the direction of groove, and the side of said activity-oriented groove (4) is provided with convexity along the direction of groove, wherein; The side of first order activity-oriented groove (4) also be provided with said fixed guide groove (3) on the groove that matches of convexity; Said first order activity-oriented groove (4) is nested to be installed in the said fixed guide groove (3) thereby make, the side of other activity-oriented groove (4) also be provided with upper class activity-oriented groove (4) on the groove that matches of convexity, other activity-oriented groove (4) is nested to be installed in the upper class activity-oriented groove (4) thereby make.
5. according to each described stretching structure of claim 1 to 4; It is characterized in that, comprise the ground floor (6) that is used to be provided with the pipeline fixed part on said fixed guide groove (3) and the said activity-oriented groove (4) at least and be used for being provided with the second layer (7) with the flexible and movable pipeline moving part of said telescopic boom (2).
6. stretching structure according to claim 5 is characterized in that, said pipeline feedway also comprises:
The line protecting apparatus that in the said second layer, slides (5), said pipeline moving part is arranged in the said line protecting apparatus (5).
7. stretching structure according to claim 6 is characterized in that, said line protecting apparatus (5) is a drag chain.
8. a construction machinery and equipment is characterized in that, comprises like each described stretching structure of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203330823U CN202245843U (en) | 2011-09-06 | 2011-09-06 | Telescopic structure and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203330823U CN202245843U (en) | 2011-09-06 | 2011-09-06 | Telescopic structure and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202245843U true CN202245843U (en) | 2012-05-30 |
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ID=46107116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203330823U Expired - Lifetime CN202245843U (en) | 2011-09-06 | 2011-09-06 | Telescopic structure and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202245843U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104955763A (en) * | 2012-12-20 | 2015-09-30 | 凯斯纽荷兰(中国)管理有限公司 | A telescopic boom |
| CN109205470A (en) * | 2018-11-15 | 2019-01-15 | 徐工集团工程机械有限公司 | Working arm and engineering machinery |
-
2011
- 2011-09-06 CN CN2011203330823U patent/CN202245843U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104955763A (en) * | 2012-12-20 | 2015-09-30 | 凯斯纽荷兰(中国)管理有限公司 | A telescopic boom |
| CN109205470A (en) * | 2018-11-15 | 2019-01-15 | 徐工集团工程机械有限公司 | Working arm and engineering machinery |
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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: 20120530 |
|
| CX01 | Expiry of patent term |