CN103466253A - Telescoping mechanism, belt conveyor and crushing and screening device - Google Patents
Telescoping mechanism, belt conveyor and crushing and screening device Download PDFInfo
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- CN103466253A CN103466253A CN2013104695823A CN201310469582A CN103466253A CN 103466253 A CN103466253 A CN 103466253A CN 2013104695823 A CN2013104695823 A CN 2013104695823A CN 201310469582 A CN201310469582 A CN 201310469582A CN 103466253 A CN103466253 A CN 103466253A
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Abstract
The invention discloses a telescoping mechanism, a belt conveyor and a crushing and screening device, relates to the technical field of engineering machinery and solves the technical problems in the prior art that a belt is prone to loosening and being damaged. The telescoping mechanism comprises a mounting base, a first sliding rail, a first support, a first telescoping device, a second support, a second sliding rail and a second telescoping device. The first sliding rail is connected with a base body of the first telescoping device and the mounting base. The first support is connected with the telescopic portion of the first telescoping device and the second sliding rail. The second sliding rail is connected with the base body of the second telescoping device. The second support is connected with the telescopic portion of the second telescoping device. The belt conveyor and the crushing and screening device are respectively provided with the telescoping mechanism. The telescoping mechanism is used for prolonging the service life of the belt of the belt conveyor and improving use convenience.
Description
Technical field
The present invention relates to technical field of engineering machinery, the Crushing & Screening Machineries that relates in particular to a kind of telescoping mechanism, the belt conveyer of this telescoping mechanism is set and this belt conveyer is set.
Background technology
Movable Crushing Station mainly is comprised of parts such as broken main frame, hopper, belt conveyer, frame, feeder, chassis.Belt conveyer is a kind of friction-driven machinery of transported material in a continuous manner, mainly frame, load-transfer device, carrying roller, cylinder, tightening device, driving device etc., consists of.
In the movable Crushing Station working process, broken main frame carries out fragmentation to the material of sending into, and belt conveyer is transported to broken material by the material after fragmentation from broken main frame and deposits a little.
In actual production, Crushing Station is after the work certain hour, and broken rear solid accumulation too much can affect the normal operation of crusher, and at this moment Crushing Station just need to be moved, and after replacing is broken, material deposits a little.If the movable Crushing Station load-transfer device is shorter, its travel frequency will strengthen, and so just reduce production efficiency.If load-transfer device is longer, can reduce travel frequency although it is so, enhance productivity, but just brought the inconvenience in the movable Crushing Station transportation like this.Therefore, the designing requirement of load-transfer device is: should be convenient to transportation, guarantee that again conveyer belt will have longer fed distance when work.
At present, the folding mode of the many employings of the length adjustment of movable Crushing Station belt conveyer both at home and abroad.Figure 2 shows that a kind of belt conveyer that can be upwards folding.Figure 3 shows that a kind of folding belt conveyer downwards.
At least there is following technical matters in prior art:
In prior art, shown in Fig. 2 and Fig. 3 two kinds adopt the belt conveyer of folding mode, the belt slack of belt conveyer after folding, and there is no at present good belt tightening system, belt slack pendant after this just causes belt conveyer folding, can bring some inconvenience to transportation, and when the angle too small between two sections frames of belt conveyer, cause folding angle (or to claim: angle after folding) hour, in folding process, belt is probably piled up between two folding frames, doubling, likely cause belt to be subject to larger squeese pressure, bring certain damage to belt, reduce the service life of belt.
After belt conveyer is folding, can't be worked, the fed distance of launching rear carrier fully is non-adjustable, is unfavorable for the flexible adjustment of material release position, can not adapt to diversified work requirements.
Summary of the invention
One of them purpose of the present invention is the Crushing & Screening Machineries that proposes a kind of telescoping mechanism, the belt conveyer of this telescoping mechanism is set and this belt conveyer is set, and has solved prior art and has had the technical matters that easily causes belt slack, damage.Many technique effects that optimal technical scheme of the present invention can produce (for example: material is delivered apart from capable of regulating, the degree of modularity is high, labour intensity is little) refer to hereinafter and set forth.
For achieving the above object, the invention provides following technical scheme:
The telescoping mechanism that the embodiment of the present invention provides, comprise mount pad, the first slide rail, the first support, the first retractor device, the second support, the second slide rail and the second retractor device, wherein:
Described the first retractor device and described the second retractor device include pedestal section and pars contractilis separately, and described pars contractilis can stretch out and can retract along the reversing sense of described predetermined rectilinear direction with respect to described pedestal section along predetermined rectilinear direction with respect to described pedestal section;
Described the first slide rail is connected with described pedestal section and the described mount pad of described the first retractor device; Described the first support is connected with described pars contractilis and described second slide rail of described the first retractor device;
The described pedestal section of described the second slide rail and described the second retractor device is connected, and described the second support is connected with the described pars contractilis of described the second retractor device.
Preferably a kind of or alternatively in embodiment, described the first retractor device and described the second retractor device are hydraulic actuating cylinder separately, the cylinder bar that described pedestal section is hydraulic actuating cylinder and cylinder barrel one of them, the cylinder bar that described pars contractilis is hydraulic actuating cylinder and cylinder barrel wherein another.
Preferably a kind of or alternatively in embodiment, the end that described the first slide rail deviates from the described pars contractilis of described the first retractor device is connected with described mount pad.
Preferably a kind of or alternatively in embodiment, the two ends on described the second slide rail length direction all are connected with described the first support separately.
Preferably a kind of or alternatively in embodiment, the described pars contractilis of described the first retractor device stretches out with respect to the described pedestal section of described the first retractor device or the described pars contractilis of the direction of retracting and described the second retractor device stretches out with respect to the described pedestal section of described the second retractor device or the direction of retracting parallels.
Preferably a kind of or alternatively in embodiment, described the second slide rail is positioned at the below of described the first slide rail, described the second support is positioned at the below of described the first support.
Preferably a kind of or alternatively in embodiment, described predetermined rectilinear direction parallels with horizontal surface.
Preferably a kind of or alternatively in embodiment, the described bearing pin that is connected to connects.
The belt conveyer that the embodiment of the present invention provides, comprise the telescoping mechanism that frame, primary conveyor, two-stage conveying machine, three grades of conveyers and the arbitrary technical scheme of the present invention provide, wherein:
Cylinder, the carrying roller that described primary conveyor, described two-stage conveying machine and described three grades of conveyers include bracing frame separately, be flexibly connected with support frame as described above and be coated on the load-transfer device outside described cylinder, described carrying roller;
The bracing frame of described primary conveyor is fixedly connected with described frame, the mount pad that described frame is described telescoping mechanism;
Described first slide rail of described telescoping mechanism is connected with the support frame as described above of described primary conveyor;
Described the first support that the bracing frame of described two-stage conveying machine is described telescoping mechanism, described the second support that the bracing frame of described three grades of conveyers is described telescoping mechanism;
The described pars contractilis of described the first retractor device can drive described two-stage conveying machine to the position of extending described primary conveyor bottom sides edge by described the first support;
The described pars contractilis of described the second retractor device can drive described three grades of conveyers to the position of extending described two-stage conveying motor spindle edge by described the second support.
At one, preferably or alternatively in embodiment, described two-stage conveying machine is positioned at the below of described primary conveyor, and described three grades of conveyers are positioned at the below of described two-stage conveying machine.
The Crushing & Screening Machineries that the embodiment of the present invention provides, comprise the belt conveyer that the arbitrary technical scheme of broken main frame and the present invention provides, wherein:
The broken material mouth of described broken main frame is towards the described load-transfer device of the described primary conveyor of described belt conveyer.
Based on technique scheme, the embodiment of the present invention at least can produce following technique effect:
The first support of the telescoping mechanism that the embodiment of the present invention provides without folding just can with respect to the first slide rail along rectilinear direction stretch out or retracts, the second support just can stretch out or retract along rectilinear direction with respect to the second slide rail without folding, can drive the two-stage conveying machine when this telescoping mechanism is applied to belt conveyer, three grades of conveyers stretch out or retract along rectilinear direction, so can regulate according to actual needs the distance that belt conveyer stretches out on predetermined rectilinear direction, to realize the transportation to the material of broken main frame fragmentation.Simultaneously, primary conveyor, two-stage conveying machine are positioned on different position height from three grades of conveyer threes, in working process, primary conveyor, two-stage conveying machine and three grades of conveyer threes bracing frame, cylinder, carrying roller and load-transfer device (being preferably belt) are separately done the as a whole action of under the drive of telescoping mechanism, being stretched out or retracting, bracing frame is without folding, so load-transfer device situation lax or damage can not occur because bracing frame is folding, so solved prior art, there is the technical matters that easily causes belt slack, damage.
Optimal technical scheme provided by the invention compared with prior art, at least has the following advantages:
1. the overall length that adopts the flexible mode of classification to regulate conveyer, every grade of flexible series system that adopts connects, thereby belt conveyer length can classification is flexible be adjusted, and can carry out the multi-stage expansion configuration;
2. every grade of flexible complete conveyer system all formed by carrying roller, cylinder, belt etc., the degree of modularity is high, be convenient to realize the modularization installation;
3. adopt sliding rail to be connected, collapsing length can freely be controlled, and meets different length requirement, realizes larger magnification ratio.After shrinking fully, be stacked layout, version compactness, the reasonable utilization of implementation space;
4. every grade of distance of stretch out and draw back between flexible is regulated by the hydraulic fluid cylinder pressure, without manpower, regulates, and labor intensity of operating staff is little.
The accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention the present invention does not form inappropriate limitation of the present invention for explaining.In the accompanying drawings:
Fig. 1 is the schematic diagram after folding for belt conveyer that in prior art, a kind of embodiment provides;
Fig. 2 is the schematic diagram after folding for belt conveyer that in prior art, another kind of embodiment provides;
The schematic diagram of the belt conveyer that Fig. 3 is the telescoping mechanism that the embodiment of the present invention is set provides;
One of them schematic diagram of primary conveyor in the belt conveyer that Fig. 4 is the telescoping mechanism that the embodiment of the present invention is set provides, two-stage conveying machine and three grades of conveyers;
Reference numeral: 1, mount pad; 21, the first slide rail; 22, the second slide rail; 31, primary conveyor; 32, two-stage conveying machine; 33, three grades of conveyers; 301, the first support; 302, the second support; 303, cylinder; 304, carrying roller; 305, load-transfer device; 41, the first retractor device; 42, the second retractor device.
The specific embodiment
Below can understand the distinctive points between content of the present invention and the present invention and prior art with reference to accompanying drawing Fig. 1～Fig. 4 and word content.Hereinafter, by accompanying drawing and the mode of enumerating optional embodiment more of the present invention, technical scheme of the present invention (comprising optimal technical scheme) 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, can't exhaustive all alternative technical characterictics of the present invention and alternative technical scheme in order to describe succinct need in presents, the embodiment that also 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: arbitrary technological means provided by the invention can be replaced or arbitrarily two or more technological means provided by the invention or technical characterictic are combined mutually and obtain new technical scheme.Any technical characterictic and any technical scheme in the present embodiment all do not limit the scope of the invention, and protection scope of the present invention should comprise that those skilled in the art do not pay that the creative work thinkable any alternate embodiments of institute and those skilled in the art are combined any two or more technological means provided by the invention or technical characterictic mutually and the new technical scheme that obtains.
The embodiment of the present invention provides a kind of adjusting that can realize the belt conveyer fed distance, reaches the telescoping mechanism, the Crushing & Screening Machineries that the belt conveyer of this telescoping mechanism is set and this belt conveyer is set of purpose that the transportation of being convenient to movable Crushing Station, material are delivered the adjustment of distance and met client's diversified demand.
Below in conjunction with Fig. 1～Fig. 4, technical scheme provided by the invention is carried out to more detailed elaboration.
As shown in Figure 1 to 4, the telescoping mechanism that the embodiment of the present invention provides, comprise mount pad (being preferably the vehicle frame of complete machine) the 1, first slide rail 21, the first support 301, the first retractor device 41, the second support 302, the second slide rail 22 and the second retractor device 42, wherein:
The first retractor device 41 and the second retractor device 42 include pedestal section and pars contractilis separately, and pars contractilis can stretch out and can retract along the reversing sense of predetermined rectilinear direction with respect to pedestal section along predetermined rectilinear direction (predetermined rectilinear direction is preferably with horizontal surface and parallels) with respect to pedestal section.
The first slide rail 21 be connected with pedestal section and the mount pad 1 of the first retractor device 41 (be connected in the present embodiment be preferably bearing pin connect).The first support 301 is connected with pars contractilis and second slide rail 22 of the first retractor device 41.
The second slide rail 22 is connected with the pedestal section of the second retractor device 42, and the second support 302 is connected with the pars contractilis of the second retractor device 42.
Connection mentioned herein (except being fixedly connected with) all can connect for bearing pin.
The first support 301 of the telescoping mechanism that the embodiment of the present invention provides without folding just can with respect to the first slide rail 21 along rectilinear direction stretch out or retracts, the second support 302 just can stretch out or retract along rectilinear direction with respect to the second slide rail 22 without folding, can drive two-stage conveying machine 32 when this telescoping mechanism is applied to belt conveyer, three grades of conveyers 33 stretch out or retract along rectilinear direction, so can regulate according to actual needs the distance that belt conveyer stretches out on predetermined rectilinear direction, to realize the transportation to the material of broken main frame fragmentation.Simultaneously, primary conveyor 31, two-stage conveying machine 32 are positioned on different position height from three grades of conveyer 33 threes, in working process, primary conveyor 31, two-stage conveying machine 32 and three grades of conveyer 33 threes bracing frame, cylinder 303, carrying roller 304 are separately all done the as a whole action of under the drive of telescoping mechanism, being stretched out or retracting with load-transfer device (being preferably belt) 305, bracing frame is without folding, so load-transfer device 305 situation lax or damage can not occur because bracing frame is folding.
At one, preferably or alternatively in embodiment, the first retractor device 41 and the second retractor device 42 are hydraulic actuating cylinder separately, the cylinder bar that pedestal section is hydraulic actuating cylinder and cylinder barrel one of them, the cylinder bar that pars contractilis is hydraulic actuating cylinder and cylinder barrel wherein another.Hydraulic actuating cylinder has that intensity is high, good reliability, is convenient to the advantage of handling.
At one, preferably or alternatively in embodiment, the end that the first slide rail 21 deviates from the pars contractilis of the first retractor device 41 is connected with mount pad 1.Mount pad 1 can avoid the first slide rail 21 to deviate from.
At one, preferably or alternatively in embodiment, the two ends on the second slide rail 22 length directions all are connected with the first support 301 separately.The second slide rail 22 can be with the stretching out and stretch out of the first support 301, and with the retraction of the first support 301, bounces back.The structure of an end and the first support 301 wherein in two ends in Fig. 3 on visible the second slide rail 22 length directions, in the two ends on the second slide rail 22 length directions wherein the connection structure of the other end and the first support 301 by the first slide rail 21, sheltered from.
At one preferably or alternatively in embodiment, the pars contractilis of the first retractor device 41 stretches out with respect to the pedestal section of the first retractor device 41 or the direction of retracting is stretched out with respect to the pedestal section of the second retractor device 42 with the pars contractilis of the second retractor device 42 or the direction of retracting parallels.
At one, preferably or alternatively in embodiment, the second slide rail 22 is positioned at the below of the first slide rail 21, and the second support 302 is positioned at the below of the first support 301.This structure can take full advantage of the space on vertical direction, avoids this telescoping mechanism to take in the horizontal direction too large space.
The belt conveyer that the embodiment of the present invention provides, comprise the telescoping mechanism that frame, primary conveyor 31, two-stage conveying machine 32, three grades of conveyers 33 and the arbitrary technical scheme of the present invention provide, wherein: primary conveyor 31, two-stage conveying machine 32, three grades of conveyers 33 all can adopt structure as shown in Figure 4.
The bracing frame of primary conveyor 31 is fixedly connected with frame, the mount pad 1 that frame is telescoping mechanism.
The first slide rail 21 of telescoping mechanism is connected with the bracing frame of primary conveyor 31.
The second support 302 that the bracing frame of 301, three grades of conveyers 33 of the first support that the bracing frame of two-stage conveying machine 32 is telescoping mechanism is telescoping mechanism.
The pars contractilis of the first retractor device 41 can drive two-stage conveying machine 32 to the position of extending primary conveyor 31 bottom sides edges by the first support 301;
The pars contractilis of the second retractor device 42 can drive three grades of conveyers 33 to the position of extending two-stage conveying machine 32 bottom sides edges by the second support 302.
The load-transfer device 305 of primary conveyor 31 can be by broken material towards the direction transportation that deviates from frame, while stretching out under two-stage conveying machine 32 and three grades of conveyer 33 drives at telescoping mechanism, broken material is delivered to the load-transfer device 305 of two-stage conveying machine 32 by the load-transfer device 305 of primary conveyor 31, then is delivered to the load-transfer device 305 of three grades of conveyers 33 by the load-transfer device 305 of two-stage conveying machine 32.
The Crushing & Screening Machineries that the embodiment of the present invention provides, comprise the belt conveyer that the arbitrary technical scheme of broken main frame and the present invention provides, wherein:
The broken material mouth of broken main frame is towards the load-transfer device 305 of the primary conveyor 31 of belt conveyer.The broken material mouth of broken main frame be preferably the primary conveyor 31 that is positioned at conveyer load-transfer device 305 directly over.
In said structure, the broken material of the broken material mouth of broken main frame output can directly fall to the load-transfer device 305 of the primary conveyor 31 of belt conveyer.
Extensible mechanism of belt conveyor of the present invention (or claim: the mounting means classification stretching structure) is as follows:
1, at first primary conveyor 31 being fixed in mount pad 1(figure is the complete machine frame) on;
2. then two-stage conveying machine 32 and three grades of conveyers 33 are respectively installed on corresponding the first slide rail 21 and the second slide rail 22; And the two ends of the first retractor device (being preferably hydraulic actuating cylinder) 41 are connected respectively to first extendable conveyor that composition can be stretched with the pin on two-stage conveying machine 32 and the first slide rail 21;
The two ends of the second retractor device (being preferably hydraulic actuating cylinder) 42 are connected respectively to second extendable conveyor that composition can be stretched with the pin on three grades of conveyers 33 and the second slide rail 22;
3. finally by the pin-and-hole on the first slide rail 21, two-stage conveying machine 32 is connected with primary conveyor 31 and complete machine frame, by the pin-and-hole on the pin-and-hole on the second slide rail 22 and the second support 302, three grades of conveyers 33 is connected with two-stage conveying machine 32.
Belt conveyer length adjustment principle of the present invention is as follows:
The overall length that the present invention adopts the flexible mode of classification to regulate belt conveyer, every grade of the stretch independence all formed by carrying roller, cylinder, belt etc., complete conveyer system.
As shown in Figure 4, primary conveyor 31, two-stage conveying machine 32, three grades of conveyers 33 are complete conveyer system separately, and its main parts size separately includes: cylinder 303, carrying roller 304 and load-transfer device (being belt in figure) 305.
The transport of every grade of conveyer is independent of each other, this has for example just guaranteed, no matter how the flexible length of each retractor device can not affect the normal operation of other grade of (higher level) conveyer, and the belt of every one-level conveyer remains tensioning, not there will be belt slack, extruding, the situation such as folding.
Adopt hydraulic actuating cylinder to regulate every grade of flexible length, at first hydraulic actuating cylinder is that the first retractor device 41 drives two-stage conveying machines 32 to stretch out, because the first retractor device 41 is whole and the second slide rail 22 all is fixed on two-stage conveying machine 32, the cylinder bar of hydraulic actuating cylinder and the second slide rail 22 can be along with two-stage conveying machine 32 stretches out in the lump.Then hydraulic actuating cylinder is that the second retractor device 42 drives three grades of conveyers 33 to stretch out, the whole extension elongation of whole belt conveyer just equals two-stage conveying machine 32 and three grades of length sums that conveyer 33 stretches out, can greatly improve the magnification ratio of conveyer integral body thus, but every grade of flexible length free adjustment.After shrinking fully, every grade is stretched for stacked layout, rationally utilizes space.
The disclosed arbitrary technical scheme of the invention described above 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 apparent in view or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, can't be exhaustive, so the present invention just discloses part numerical value with casehistory technical scheme of the present invention, and the above-mentioned numerical value of enumerating should not form the restriction to the invention 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 to go up for convenience of description parts are distinguished as do not had outside Stated otherwise, and above-mentioned word does not have special implication.
Simultaneously, if the invention described above 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 be fixedly connected with (for example using bolt or screw to connect) with dismantling, 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 can't 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 the invention described above applied for the term that means position relationship or shape unless otherwise stated its implication comprise and its approximate, similar or approaching state or shape.Arbitrary parts provided by the invention 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 technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (10)
1. a telescoping mechanism, is characterized in that, comprises mount pad, the first slide rail, the first support, the first retractor device, the second support, the second slide rail and the second retractor device, wherein:
Described the first retractor device and described the second retractor device include pedestal section and pars contractilis separately, and described pars contractilis can stretch out and can retract along the reversing sense of described predetermined rectilinear direction with respect to described pedestal section along predetermined rectilinear direction with respect to described pedestal section;
Described the first slide rail is connected with described pedestal section and the described mount pad of described the first retractor device; Described the first support is connected with described pars contractilis and described second slide rail of described the first retractor device;
The described pedestal section of described the second slide rail and described the second retractor device is connected, and described the second support is connected with the described pars contractilis of described the second retractor device.
2. telescoping mechanism according to claim 1, it is characterized in that, described the first retractor device and described the second retractor device are hydraulic actuating cylinder separately, the cylinder bar that described pedestal section is hydraulic actuating cylinder and cylinder barrel one of them, the cylinder bar that described pars contractilis is hydraulic actuating cylinder and cylinder barrel wherein another.
3. telescoping mechanism according to claim 1, is characterized in that, the end that described the first slide rail deviates from the described pars contractilis of described the first retractor device is connected with described mount pad.
4. telescoping mechanism according to claim 1, is characterized in that, the two ends on described the second slide rail length direction all are connected with described the first support separately.
5. telescoping mechanism according to claim 1, it is characterized in that, the described pars contractilis of described the first retractor device stretches out with respect to the described pedestal section of described the first retractor device or the described pars contractilis of the direction of retracting and described the second retractor device stretches out with respect to the described pedestal section of described the second retractor device or the direction of retracting parallels.
6. telescoping mechanism according to claim 1, is characterized in that, described the second slide rail is positioned at the below of described the first slide rail, and described the second support is positioned at the below of described the first support.
7. telescoping mechanism according to claim 1, is characterized in that, described predetermined rectilinear direction parallels with horizontal surface.
8. according to the arbitrary described telescoping mechanism of claim 1-7, it is characterized in that, the described bearing pin that is connected to connects.
9. a belt conveyer, is characterized in that, comprises frame, primary conveyor, two-stage conveying machine, three grades of conveyers and the arbitrary described telescoping mechanism of claim 1-8, wherein:
Cylinder, the carrying roller that described primary conveyor, described two-stage conveying machine and described three grades of conveyers include bracing frame separately, be flexibly connected with support frame as described above and be coated on the load-transfer device outside described cylinder, described carrying roller;
The bracing frame of described primary conveyor is fixedly connected with described frame, the mount pad that described frame is described telescoping mechanism;
Described first slide rail of described telescoping mechanism is connected with the support frame as described above of described primary conveyor;
Described the first support that the bracing frame of described two-stage conveying machine is described telescoping mechanism, described the second support that the bracing frame of described three grades of conveyers is described telescoping mechanism;
The described pars contractilis of described the first retractor device can drive described two-stage conveying machine to the position of extending described primary conveyor bottom sides edge by described the first support;
The described pars contractilis of described the second retractor device can drive described three grades of conveyers to the position of extending described two-stage conveying motor spindle edge by described the second support.
10. a Crushing & Screening Machineries, comprise the described belt conveyer of broken main frame and claim 9, wherein:
The broken material mouth of described broken main frame is towards the described load-transfer device of the described primary conveyor of described belt conveyer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310469582.3A CN103466253B (en) | 2013-10-10 | 2013-10-10 | Telescoping mechanism, belt conveyer and Crushing & Screening Machineries |
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| CN201310469582.3A CN103466253B (en) | 2013-10-10 | 2013-10-10 | Telescoping mechanism, belt conveyer and Crushing & Screening Machineries |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106628856A (en) * | 2016-12-13 | 2017-05-10 | 徐州徐工施维英机械有限公司 | Belt conveyer and crushing and screening device |
| CN108040853A (en) * | 2017-12-11 | 2018-05-18 | 佛山市田森温室科技有限公司 | A kind of automatic vegetable plantation device |
| CN109132419A (en) * | 2018-10-12 | 2019-01-04 | 佳木斯大学 | A kind of modularization material conveyor |
| CN109230334A (en) * | 2018-07-03 | 2019-01-18 | 信华智能装备(江苏)有限公司 | A kind of airdrome luggage carriage |
| CN110227810A (en) * | 2019-07-26 | 2019-09-13 | 上海驰声新材料有限公司 | The product carrying device and product of vacuum die casting machine send out method |
| CN113769876A (en) * | 2021-08-20 | 2021-12-10 | 安姆普客矿山机械(江苏)有限公司 | Combined mobile crusher |
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| CN201287946Y (en) * | 2008-08-28 | 2009-08-12 | 深圳天和双力机械有限公司 | Extendible belt conveyer |
| CN103303269A (en) * | 2012-03-14 | 2013-09-18 | 徐州徐工施维英机械有限公司 | Extension and retraction mechanism and support leg extension and retraction system for concrete pump truck |
| CN203568324U (en) * | 2013-10-10 | 2014-04-30 | 徐州徐工施维英机械有限公司 | Telescoping mechanism, belt conveyor and crushing and sieving equipment |
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