CN102829247A - Multi-level conveying system and high-altitude operation engineering machine - Google Patents
Multi-level conveying system and high-altitude operation engineering machine Download PDFInfo
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- CN102829247A CN102829247A CN2012102933517A CN201210293351A CN102829247A CN 102829247 A CN102829247 A CN 102829247A CN 2012102933517 A CN2012102933517 A CN 2012102933517A CN 201210293351 A CN201210293351 A CN 201210293351A CN 102829247 A CN102829247 A CN 102829247A
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Abstract
The invention discloses a multi-level conveying system and a high-altitude operation engineering machine. The multi-level conveying system is used for conveying pipelines for a retractable cantilever crane system and comprises slide rails, drag chains and a conveying pipeline, the slide rails correspond to cantilever cranes of the retractable cantilever crane system one by one and are fixedly connected with the cantilever cranes, and each two adjacent slide rails are in sliding fit with each other; each drag chain is connected between the two adjacent slide rails, and the conveying pipeline is continuously arranged on the drag chain and the slide rails connected with the drag chains; and a buffer component capable of stretching and retracting along the length directions of the slide rails is arranged at the tail of at least one slide rail, and is used for buffering pressure generated when the slide rail is in contact with the corresponding drag chain. The multi-level conveying system and the high-altitude operation engineering machine have the advantages that when the retractable cantilever cranes stretch and retract during operation, interference among the drag chains and the slide rails and even breakage of the drag chains or the conveying pipeline can be avoided if the cantilever cranes stretch and retract asynchronously, safety of the drag chains and the conveying pipeline is guaranteed, and work efficiency is improved.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of multistage transporting system and high-altitude operation engineering machinery with this multistage transporting system.
Background technique
Along with rapid economic development, the quantity of tall building is more and more, and is highly also increasingly high, thereby require the working depth of high-lift operation machinery high more.In the working procedure; The boom system of high-lift operation machinery changes length through extending means; To adapt to different operation operating modes; Operator can accomplish rescue or operation in actuators such as Ground Control jib extending means and terminal Fire water monitor or working platforms, and the action of extending means and actuator is through hydraulic system and control system realization.Therefore, corresponding transporting system need be set, realize the conveying of oil feed line and actuating cable.Along with the continuous lengthening of telescopic boom length, the pipeline transporting system also becomes design focal point, difficult point.
The transporting system of the boom system of high-lift operation machinery at present, is divided built-in and external.Wherein, built-inly partly be arranged in the telescopic boom barrel to delivery line, this device takies the jib inner space, the pipeline negligible amounts that can arrange.External is arranged in jib side or top to transporting system, can arrange more pipeline, is applicable to long-armed frame system.Existing external transporting system is applicable to odd level synchronization telescope jib.In addition; Because the restriction in space, multistage drag chain are connected to down the afterbody of next stage slideway usually from the separated one-level slideway of the head of certain one-level slideway, thereby if the jib stretching operation is asynchronous; To cause drag chain and slideway to interfere; And drag chain and internal duct broken, possibly cause serious security incident, Security and operating efficiency are lower.
Summary of the invention
In view of this; The present invention proposes a kind of multistage transporting system and high-altitude operation engineering machinery; When the present invention can effectively prevent high-altitude operation engineering machinery work, cause drag chain and guiding device to interfere, cause the problem of drag chain or delivery line fracture because of the jib stretching operation is asynchronous.
One side of the present invention provides a kind of multistage transporting system, and the pipeline that is used for the telescopic arm support system is carried, and comprises slideway, drag chain and delivery line, wherein,
The jib of said slideway and said telescopic arm support system is corresponding one by one and be fixedly connected, and the said slideway of adjacent two-stage is slidingly matched;
Said drag chain is connected between the said slideway of two-stage, and said delivery line is arranged on said drag chain continuously and is connected with on the said slideway of said drag chain;
At least be provided with can be along the flexible Buffer Unit of the length direction of said slideway for the afterbody of the said slideway of one-level, the pressure in the time of can cushioning said slideway and contact with said drag chain.
Further, said Buffer Unit comprises slide plate and elastic member, and said slideway comprises the slideway skeleton; Wherein,
The bottom of said slideway skeleton offers guiding groove; The bottom of said guiding groove is at the end near the afterbody of said slideway, offer along what said slideway skeleton length direction extended and first dodge groove, said first dodge groove length more than or equal to the flexible asynchronous amount between the said slideway of adjacent two-stage;
Said slide plate slidably is arranged in the said guiding groove, and said slide plate is connected through said elastic member with said slideway skeleton, and said elastic member is used for the relative movement between said slide plate and the said slideway skeleton is applied elastic load.
Further, said elastic member is a spring.
Further, said slideway is the M level, and said drag chain is the N level; Wherein,
Said drag chain has first end and second end, and first end of the said drag chain of the first order is connected to the head of the said slideway of the first order, and second end of the said drag chain of the first order is connected to the afterbody of the second level or the said slideway of the third level; First end of the said drag chain of i level is connected to the head of the said slideway of k level, and second end of the said drag chain of i level is connected to the afterbody of the said slideway of k+a level; The head of the said slideway of k+a level is connected to first end of the said drag chain of i+1 level again, alternately connects successively, is connected to the afterbody of the said slideway of M level until second end of the said drag chain of N level;
Wherein, M＞N >=1, M＞k >=1, N >=i >=1, k >=i, a >=1, M, N, i, k, a are integer.
Further, said a=1 or a=2.
Further, said slideway also comprises cover plate, and said cover plate is fixedly installed on the top of said slideway skeleton; And
The afterbody of said cover plate offers along what said slideway skeleton length direction extended and second dodges groove, said second dodge groove length more than or equal to the flexible asynchronous amount between the said slideway of adjacent two-stage, and with said first to dodge the groove position corresponding, perhaps,
The distance of the afterbody of said cover plate and the afterbody of said slideway is more than or equal to the flexible asynchronous amount between the said slideway of adjacent two-stage.
Further, said cover plate is connected with the top of said slideway skeleton through bolt.
Further, said delivery line comprises fixedly pipeline and connecting pipeline, and said fixedly pipeline is arranged on the said slideway that is connected with said drag chain, and said connecting pipeline connects adjacent said fixedly pipeline.
Further, have cavity between said cover plate and the said slide plate, said fixedly pipeline is arranged in the cavity between said cover plate and the said slide plate;
Said drag chain has cavity, and said connecting pipeline is arranged in the cavity of said drag chain.
Another aspect of the present invention also provides a kind of high-altitude operation engineering machinery, has the telescopic arm support system, also is provided with aforesaid multistage transporting system.
Multistage transporting system of the present invention comprises slideway, drag chain and delivery line, slideway and the corresponding one by one setting of jib, and connect by drag chain; Delivery line arranges that along slideway and drag chain wherein, the slideway afterbody is provided with Buffer Unit; During the flexible work of telescopic arm support, flexible asynchronous if jib occurs, drag chain can be at first contacts with the Buffer Unit of the slow slideway of stretching speed; And the extruding Buffer Unit, offset the flexible asynchronous amount between the two adjacent slideways through the buffering of Buffer Unit, can avoid interfering even breaking between drag chain and the slideway drag chain or delivery line thus; Guarantee the safety of drag chain and delivery line, increase work efficiency.
Description of drawings
The accompanying drawing that constitutes a part of the present invention is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, does not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is an a kind of multistage transporting system embodiment's provided by the invention structural representation;
Fig. 2 is the partial structurtes schematic representation of the multistage transporting system embodiment's of the present invention slideway;
Fig. 3 is that the A of slideway shown in Figure 2 is to view;
Fig. 4 is the B place enlarged diagram of slideway shown in Figure 2.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the present invention can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the present invention.
Basic thought of the present invention is: seeing that the Placement of the drag chain of existing multistage transporting system when the operation of high-lift operation machinery, can produce drag chain and slideway and produce interference; Can cause the fracture of drag chain and delivery line when serious; Cause Security and working efficiency low, the present invention is provided with Buffer Unit at the afterbody of slideway, cooperates with drag chain; Cushion the asynchronous amount in the adjacent two-stage slideway telescopic process, avoid interfering generation with fracture defect.
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are done further explain:
As shown in Figure 1, the present invention provides a kind of embodiment of multistage transporting system, and the pipeline that is used for the telescopic arm support system is carried; Comprise slideway 1, drag chain 2 and delivery line 3; Wherein, the jib 8 of slideway 1 and telescopic arm support system is corresponding one by one and be fixedly connected, and adjacent two-stage slideway 1 is slidingly matched; Drag chain 2 is connected between the two-stage slideway 1, and delivery line 3 is arranged on drag chain 2 continuously and is connected with on the said slideway 1 of drag chain 2; At least be provided with can be along the flexible Buffer Unit of the length direction of slideway 1 for the afterbody of one-level slideway 1, the pressure in the time of can cushioning slideway 1 and contact with drag chain 2.Delivery line 3 alternately extends to afterbody slideway 1 through drag chain 2 and the slideway 1 that is connected with drag chain 2 successively from first order slideway.
Multistage transporting system of the present invention comprises slideway 1, drag chain 2 and delivery line 3, slideway 1 and the corresponding one by one setting of jib 8, and by drag chain 2 connections; Delivery line 3 arranges that along slideway 1 and drag chain 2 wherein, slideway 1 afterbody is provided with Buffer Unit; During the flexible work of telescopic arm support 8, flexible asynchronous if jib 8 occurs, drag chain 2 can be at first contacts with the Buffer Unit of the slow slideway 1 of stretching speed; And extruding Buffer Unit; Offset the flexible asynchronous amount between the two adjacent slideways 1 through the buffering of Buffer Unit, can avoid thus interfering between drag chain 2 and the slideway 1, avoid breaking drag chain 2 or delivery line 3; Guarantee the safety of drag chain 2 and delivery line 3, increase work efficiency.
Need to prove that head of the present invention and afterbody (or tail end) can be described by means of the flexible direction of jib; So that multistage transporting system of the present invention is discussed and is understood; Slideway is flexible along with jib, and it stretches out before direction is, behind the shrinkage direction; The front portion of slideway is head, and the rear portion of slideway is an afterbody.For the flexible asynchronous amount between the aforesaid adjacent two-stage slideway, be meant since certain one-level slideway in telescopic process, the stretching speed of its stretching speed and adjacent slideway is inconsistent, causes the displacement difference that occurs between the adjacent two-stage slideway.This displacement difference is excessive, can cause the distance between the two-stage slideway to increase, and then can influence (breaking) drag chain, influences working efficiency, and therefore, the present invention cushions this flexible asynchronous amount by Buffer Unit.
The concrete implementation of Buffer Unit can have a variety of, for example is arranged on elastic shelf, slide plate of afterbody etc.Be that example is elaborated below with the slide plate.
For the Placement of slideway 1 with drag chain 2, be to well known to a person skilled in the art existing technology, drag chain 2 can connect adjacent two-stage slideway 1, promptly is connected to the afterbody of next stage slideway 1 from the head of upper level slideway 1; Also can connect one or more levels slideway 1 at interval; Also in two ways mixing application in same multistage transporting system.In the practical application, consider the restriction of assembling space and other factors, adopt drag chain 2 to connect 1 grade two slideways at interval usually.In the existing document patent documentation is similarly arranged also.
As shown in Figure 1, the present invention is an example with six joint telescopic jibs, and a kind of preferred multistage transporting system embodiment is provided.Corresponding with six joint telescopic jibs 8, multistage transporting system comprises 1, three grade of drag chain 2 of six grades of slideways.First to the 6th grade of slideway 1 is corresponding respectively and be connected to first to the 6th joint jib 8, and preferably is fixedly connected with the head of jib 8, so that with the flexible and same moved further of jib 8, both guaranteed slideway and jib 8 synchronization telescopes, has solved the power of driving slideway again.First end of first order drag chain 21 connects the head of first order slideway 11, and behind the afterbody of walking around second level slideway 12, second end is connected to the afterbody of third level slideway 13; First end of second level drag chain 22 connects the head of third level slideway 13, and behind the afterbody of walking around fourth stage slideway 14, second end is connected to the afterbody of level V slideway 15; First end of third level drag chain 23 connects the middle part of level V slideway 15, and the other end is connected to the afterbody of the 6th grade of slideway 16.
Need to prove that here the third level drag chain 23 among this embodiment as first order drag chain 21 and second level drag chain 22, is not connected with slideway 1 behind the one-level slideway of every interval again; Be because this embodiment's slideway 1 has six grades; 23 of third level drag chains need to connect level Vs and the 6th grade of slideway, and needn't be again slideway at interval, therefore; In order to save drag chain 2 materials and arrangement space; Therefore third level drag chain 23 directly is connected to the afterbody of the 6th grade of slideway 16 from the middle part of level V slideway 15, and, connect the expansion of also enough dealing with slideway 1 like this.Certainly, if conditions permit or design demand, third level drag chain 23 also can connect the head of level V slideway 15 and the afterbody of the 6th grade of slideway 16.
Second level slideway 12 in the slideway 1 among this embodiment is provided with Buffer Unit with fourth stage slideway 14.Shown in Fig. 2-4, Buffer Unit comprises slide plate 5 and elastic member, and slideway comprises slideway skeleton 4, and the bottom of slideway skeleton 4 offers guiding groove, is used to hold slide plate 5, and guiding is provided for the slip of slide plate 5.As shown in Figure 3; The bottom of guiding groove offers along what the length direction of slideway skeleton 4 extended at the end near the afterbody of slideway 1 and first dodges groove C; This first dodge groove C length more than or equal to the flexible asynchronous amount between the adjacent two-stage slideway 1; So that mobile space is provided, drag chain 2 can be moved with slide plate 5, and do not interfere with slideway 1 or slideway skeleton 4 for drag chain 2.Also showing slide plate 5 and slideway skeleton 4 among the figure is connected through elastic member; Elastic member is preferably spring 6 in this embodiment; This spring 6 is arranged between slide plate 5 and the slideway skeleton 4; Contact with drag chain when slide plate 5 and be extruded and when sliding, 6 pairs of slide plates 5 of spring apply certain elastic load, the moving direction of this load and slide plate 5 is opposite.
As shown in Figure 2, slideway 1 also comprises cover plate 7, and the cover plate 7 preferred bolts that pass through are fixedly connected with the top of slideway skeleton 4; Make cover plate 7 relative slideway skeletons 4 detachable; And the afterbody (or tail end) of the afterbody of cover plate 7 (or tail end) and slideway 1 has certain distance, and this distance is more than or equal to the flexible asynchronous amount between the above-mentioned adjacent two-stage slideway 1, or more than or equal to first dodge groove C length; Its objective is; For drag chain 2 provides mobile space, after cover plate 7 is installed, can guarantee that still drag chain 2 can move with slide plate 5, and not interfere with cover plate 7.As a kind of optional mode of execution; The afterbody of cover plate 7 offers second and dodges groove; This second is dodged groove and above-mentioned first to dodge groove C corresponding, comprises that bearing of trend, position are corresponding with size, promptly second dodge groove too along slideway skeleton 4 length directions extend, be positioned at first dodge groove C the top; Making drag chain 2 can get into these two simultaneously dodges in the groove mobile; And second dodge groove width and the degree of depth should with first dodge groove C quite, in other words at least under width can allow prerequisite that drag chain 2 gets into, second dodge groove the degree of depth should be more than or equal to the flexible asynchronous amount between the adjacent two-stage slideway 1.
Need to prove; Two kinds of structures of above-mentioned discussion can be implemented on the cover plate 7 with matching simultaneously; The afterbody that is cover plate 7 does not extend to above the afterbody of slideway 1; Promptly and between the afterbody of slideway 1 have certain distance L, also offer at the afterbody of cover plate 7 simultaneously and dodge groove, this is dodged groove and extends along slideway skeleton 4 length directions; The distance L here and this are dodged the degree of depth (or length) H of groove all not necessarily more than or equal to the flexible asynchronous amount between slideway; But; There is this distance L here simultaneously and dodges groove, only need dodge groove bottom and get final product more than or equal to the flexible asynchronous amount between slideway to the total distance (H+L) between the afterbody of slideway 1.Because dodging groove is opened on the cover plate 7; So the part of the afterbody of cover plate 7 can be thought in the bottom of dodging groove; Therefore, this mode of execution can be equal to be regarded as be the afterbody of cover plate 7 to distance between the afterbody of slideway 1 more than or equal to a particular example of the flexible asynchronous amount between the adjacent two-stage slideway 1.
Delivery line 3 among this embodiment can comprise fixedly pipeline and connecting pipeline (not shown), and fixedly pipeline wherein is fixedly installed on the slideway 1, and is concrete, and fixedly pipeline can be arranged in the cavity between cover plate 7 and the slide plate 5; And connecting pipeline can be arranged in the internal cavities of drag chain 2, is used to connect adjacent two fixing pipelines.Need to prove that according to aforementioned discussion, cover plate 7 relative slideway skeletons 4 of the present invention are detachable, therefore, when pipeline is set fixedly, can cover plate 7 be set in slideway again, make things convenient for the setting of delivery line 3 earlier with after fixedly pipe laying finishes.Fixedly the setting of pipeline should be corresponding with drag chain 2 Placements; Promptly be arranged on the slideway 1 that is connected with drag chain 2; For example in this embodiment; Fixedly pipeline should be arranged on first order slideway 11, third level slideway 13, the 5th slideway 15 and the 6th grade of slideway 16, and, because the special Placement of level V slideway 15 and third level drag chain 23 among this embodiment; Fixedly pipeline can be laid to the middle part from the afterbody of level V slideway 15, then be arranged on third level drag chain 23 in connecting pipelines be connected.As stated, if first end of third level drag chain 23 is connected with the head of level V slideway 15, the fixedly pipeline in the level V slideway 15 also should be laid to head from afterbody so.
This embodiment's multistage transporting system is with in jib 8 telescopic process, if jib 8 is flexible asynchronous, it is flexible asynchronous then to influence slideway 1.If the speed of stretching out of third level slideway 13 is during greater than second level slideway 12; Then the speed of stretching out that moves with third level slideway 13 of second end of first order drag chain 21 is greater than second level slideway 12; First order drag chain 21 will contact with the afterbody of second level slideway 12; Because the slideway afterbody is provided with the slide plate 5 shown in Fig. 2-4, first order drag chain 21 will at first contact and promote the slide plate 5 of setting in the second level slideway 12, and then the pressure elasticity parts; Be spring 6, thereby avoid first order drag chain 21 and second level slideway 12 to interfere.Otherwise; When the withdrawal speed of second level slideway 12 during greater than the withdrawal speed of third level slideway 13, the slide plates 5 in the second level slideway 12 will contact with first order drag chain 21, receive stopping of first order drag chain 21; Slide plate 5 will be along the second level slideway 12 opposite direction (being the above-mentioned direction of the stretching out) motion of regaining directions; Pressure spring 6 is avoided second level slideway 12 bump first order drag chains 21, prevents that pipeline from being broken.
Need to prove here; The compressible amount of spring 6 should be poor more than or equal to flexible asynchronous amount or maximum displacement between the two-stage slideways 1 that cause because of flexible difference; And like above-mentioned discussion to slideway structure; The distance that staggers between the afterbody of the afterbody of cover plate 7 and slideway 1 should be more than or equal to the compressible amount of spring 6, and perhaps cover plate 7 afterbodys should offer the degree of depth and dodge groove more than or equal to second of the compressible amount of spring 6.
In the existing multistage transporting system, flexible asynchronous when causing slideway to interfere because of jib with drag chain, owing to being that rigidity contacts between slideway and the drag chain, be easy to cause drag chain or delivery line to be broken.In the above embodiment of the present invention, use slide plate and elastic member, interventional procedures is converted into the compression process of elastic member, thereby avoid drag chain or delivery line to be broken.
For the foregoing description; Its drag chain 2 with the Placement of slideway 1 is, drag chain 2 every interval one-level slideways 1 connect (Placement of removing last two-stage slideway is different) with next stage slideway 1 again, but this is a kind of preferred Placement; If the installing space of multistage transporting system allows; Drag chain 2 can also be connected with adjacent two-stage slideway 1, also can be as required, and mix and adopt at interval and the Placement of slideway (like above-mentioned embodiment's complete being connected) at interval not; Or even under the condition that drag chain, delivery line and installing space allow, two-stage or multistage slideway connect at interval.
In addition; Multistage transporting system embodiment as a kind of simplification of the foregoing description; Can also slide plate and elastic member be omitted; Only keep first and dodge groove and cover plate, reserve certain distance between cover plate afterbody and the slideway afterbody, the degree of depth that this distance and first is dodged groove is all more than or equal to the flexible asynchronous amount of two-stage slideway.
The present invention correspondingly also provides a kind of high-altitude operation engineering machinery, has the telescopic arm support system, also is provided with aforesaid multistage transporting system.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a multistage transporting system is used for the pipeline conveying of telescopic arm support system, comprises slideway (1), drag chain (2) and delivery line (3), it is characterized in that, wherein,
The jib (8) of said slideway (1) and said telescopic arm support system is corresponding one by one and be fixedly connected, and the said slideway of adjacent two-stage (1) is slidingly matched;
Said drag chain (2) is connected between the said slideway of two-stage (1), and said delivery line (3) is arranged on said drag chain (2) continuously and is connected with on the said slideway (1) of said drag chain (2);
At least the afterbody of the said slideway of one-level (1) is provided with and can cushions said slideway (1) and the pressure of said drag chain (2) when contacting along the flexible Buffer Unit of the length direction of said slideway (1).
2. multistage transporting system according to claim 1 is characterized in that, said Buffer Unit comprises slide plate (5) and elastic member, and said slideway (1) comprises slideway skeleton (4); Wherein,
The bottom of said slideway skeleton (4) offers guiding groove; The bottom of said guiding groove is at the end near the afterbody of said slideway (1); Offer along what said slideway skeleton (4) length direction extended and first dodge groove (C), said first dodge groove (C) length more than or equal to the flexible asynchronous amount between the said slideway of adjacent two-stage (1);
Said slide plate (5) slidably is arranged in the said guiding groove; And said slide plate (5) is connected through said elastic member with said slideway skeleton (4), and said elastic member is used for the relative movement between said slide plate (5) and the said slideway skeleton (4) is applied elastic load.
3. multistage transporting system according to claim 2 is characterized in that, said elastic member is spring (6).
4. according to any described multistage transporting system among the claim 1-3, it is characterized in that said slideway (1) is the M level, said drag chain (2) is the N level; Wherein,
Said drag chain (2) has first end and second end, and first end of the said drag chain of the first order (2) is connected to the head of the said slideway of the first order (1), and second end of the said drag chain of the first order (2) is connected to the afterbody of the second level or the said slideway of the third level (1); First end of the said drag chain of i level (2) is connected to the head of the said slideway of k level (1), and second end of the said drag chain of i level (2) is connected to the afterbody of the said slideway of k+a level (1); The head of the said slideway of k+a level (1) is connected to first end of the said drag chain of i+1 level (2) again, alternately connects successively, is connected to the afterbody of the said slideway of M level (1) until second end of the said drag chain of N level (2);
Wherein, M＞N >=1, M＞k >=1, N >=i >=1, k >=i, a >=1, M, N, i, k, a are integer.
5. multistage transporting system according to claim 4 is characterized in that, said a=1 or a=2.
6. multistage transporting system according to claim 4 is characterized in that, said slideway (1) also comprises cover plate (7), and said cover plate (7) is fixedly installed on the top of said slideway skeleton (4); And
The afterbody of said cover plate (7) offers along second of said slideway skeleton (4) length direction extension and dodges groove; Said second dodge groove length more than or equal to the flexible asynchronous amount between the said slideway of adjacent two-stage (1); And with said first to dodge the position of groove (C) corresponding; Perhaps
Distance between the afterbody of the afterbody of said cover plate (7) and said slideway (1) is more than or equal to the flexible asynchronous amount between the said slideway of adjacent two-stage (1).
7. multistage transporting system according to claim 6 is characterized in that, said cover plate (7) is connected with the top of said slideway skeleton (4) through bolt.
8. multistage transporting system according to claim 6; It is characterized in that; Said delivery line (3) comprises fixedly pipeline and connecting pipeline, and said fixedly pipeline is arranged on the said slideway (1) that is connected with said drag chain 2, and said connecting pipeline connects adjacent said fixedly pipeline.
9. multistage transporting system according to claim 8 is characterized in that, has cavity between said cover plate (7) and the said slide plate (5), and said fixedly pipeline is arranged in the cavity between said cover plate (7) and the said slide plate (5);
Said drag chain (2) has cavity, and said connecting pipeline is arranged in the cavity of said drag chain (2).
10. a high-altitude operation engineering machinery has the telescopic arm support system, it is characterized in that, is provided with like any described multistage transporting system among the claim 1-9.
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| CN107289198A (en) * | 2017-07-10 | 2017-10-24 | 广西建工集团第三建筑工程有限责任公司 | It is a kind of to clear up the device that concrete ground pump conveys kinetic energy |
| CN109404489A (en) * | 2017-08-17 | 2019-03-01 | 河南森源重工有限公司 | A kind of telescopic boom towing chain mechanism |
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| CN102050410A (en) * | 2009-11-06 | 2011-05-11 | 徐州重型机械有限公司 | Two-stage conveyor system, telescopic box type arm support and aerial working engineering machinery |
| CN201561187U (en) * | 2009-12-17 | 2010-08-25 | 沈阳北方交通重工有限公司 | Telescopic pipeline conveying device |
| CN201842621U (en) * | 2010-09-02 | 2011-05-25 | 徐州重型机械有限公司 | Multi-stage external conveying system and high altitude operation vehicle employing same |
| CN202279672U (en) * | 2011-10-15 | 2012-06-20 | 徐州海伦哲专用车辆股份有限公司 | Built-in pipeline conveying system |
| CN202769056U (en) * | 2012-08-16 | 2013-03-06 | 北京市三一重机有限公司 | Multistage transport system and aloft work engineering machinery |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289198A (en) * | 2017-07-10 | 2017-10-24 | 广西建工集团第三建筑工程有限责任公司 | It is a kind of to clear up the device that concrete ground pump conveys kinetic energy |
| CN107289198B (en) * | 2017-07-10 | 2023-08-04 | 广西建工集团第三建筑工程有限责任公司 | Device for resolving kinetic energy of concrete pump |
| CN109404489A (en) * | 2017-08-17 | 2019-03-01 | 河南森源重工有限公司 | A kind of telescopic boom towing chain mechanism |
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| CN102829247B (en) | 2016-06-08 |
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