CN101570274A - Belt conveyor - Google Patents
Belt conveyor Download PDFInfo
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- CN101570274A CN101570274A CNA2008101057393A CN200810105739A CN101570274A CN 101570274 A CN101570274 A CN 101570274A CN A2008101057393 A CNA2008101057393 A CN A2008101057393A CN 200810105739 A CN200810105739 A CN 200810105739A CN 101570274 A CN101570274 A CN 101570274A
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Abstract
The invention relates to a belt conveyor, which comprises a driving roller, a diverted roller, a conveyor belt, a drive device and a tension device. The tension device comprises a movable bracket, fixed pedestals arranged behind the movable bracket and two sides of the movable bracket, a first diverted pulley and a second diverted pulley which are arranged on the fixed pedestals and positioned on the two sides of the moveable bracket, a first movable pulley and a second movable pulley which are arranged on the rear end face of the movable bracket, a first fixed pulley and a second fixed pulley which are arranged on the fixed pedestals, and a first rope and a second rope. A first end of the first rope is fixed on the fixed pedestal, while a second end sequentially rounds the first movable pulley, the first fixed pulley and the first diverted pulley and is connected with a balance weight; and a first end of the second rope is fixed on the fixed pedestal, while the second end sequentially rounds the second movable pulley, the second fixed pulley and the second diverted pulley and is connected with the balance weight. The tension device of the belt conveyor has the advantages of wide tension range, stability, small occupied space, simple structure, reliability and convenient maintenance, reduced weight of the balance weight and small rope stress.
Description
Technical field
The present invention relates to a kind of belt conveyer that is used for, especially relate to a kind of belt conveyer that can reduce big and stable, the simple in structure tightening device of installation footprint, tension range that has.
Background technology
Belt conveyer is widely used for fields such as mining, metallurgy.Tightening device is the important component part of belt conveyer, and tightening device is used to guarantee that load-transfer device has enough tension force, starts, brakes and normal operation period at conveyer, guarantees to have enough friction force between the driving drum, prevents to skid etc.In addition, the sag of limit transport band scatters from load-transfer device to prevent material.
Usually the form of tightening device has the spiral tightening device, vertical heavy-hammer tightening device etc.These tightening devices all have its limitation.Be only applicable to than small tension receiving coil as the spiral tightening device, just can not adopt for the occasion of the very big tension force of needs; Though the vertical heavy-hammer tightening device can be used for than hightension, its floor area is very big, needs very high support and bulky weight, can not use in narrower and small workshop, space.
In addition, Chinese invention patent CN1597470 discloses a kind of belt conveyer automatic takeup, has wherein adopted the hydraulic efficiency pressure system that comprises a plurality of hydraulic actuating cylinders and hydraulic valve to come adhesive tape is produced tension force.The piston of hydraulic actuating cylinder links to each other with the tension force dolly by steel rope, realizes slack-free purpose by stretching of piston.
Yet in the above-mentioned patent application, owing to adopt hydraulic actuating cylinder to produce tension force, therefore, the scope of tension force is little, can't produce very large tension force.For example, in mining, the material in the intermediate bunker can reach tens to tens tons to the application force of load-transfer device, therefore, can't produce required tension force with hydraulic actuating cylinder.In addition, under the condition of operating mode difference, for example in the environment that dust is big, the element of hydraulic efficiency pressure system is easy to generate fault.Simultaneously, the control of hydraulic efficiency pressure system is very complicated, and tension adjustment complexity, tension force instability cause whole tensioner complex structure thus, thereby cause cost up, the rate of breakdown height.
Secondly, be used to adopt hydraulic actuating cylinder and hydraulic valve, for example the intensity of piston is very big to require hydraulic actuating cylinder, a hydraulic valve breaks down, may cause whole tightening device can't produce tension force, thus, need the reliability of hydraulic actuating cylinder and hydraulic valve very high, productive costs is high, maintenance is frequent.
In addition, adopt hydraulic efficiency pressure system in the above-mentioned patent application, Hydraulic Station need be set individually, at the conveyer on period, hydraulic efficiency pressure system need be worked always, so the cost height.And the back that Hydraulic Station is arranged on conveyer needs very big space, thereby it is very big to cause whole tightening device to take up space.
Summary of the invention
Purpose of the present invention is intended to one of solve the aforementioned problems in the prior at least.
For this reason, embodiments of the invention propose a kind of belt conveyer, the tension range of the tightening device of described belt conveyer is big, tension stability, take up space little, simple in structure, reliable, easy to maintenance, counterweight weight reduces, rope is stressed little.
Belt conveyer according to the embodiment of the invention comprises: head roll; The changed course cylinder; The load-transfer device on the cylinder around head roll and changed course; Actuating device, described actuating device drive the head roll rotation; And tightening device, described tightening device is used for the tensioning load-transfer device and comprises, and movable supporting frame is suitable for installing the changed course cylinder of belt conveyer on the described movable supporting frame; Stationary base mount, described stationary base mount is arranged on movable supporting frame both sides and back regularly; The first and second changed course pulleys, the described first and second changed course pulley axis on even keels are installed on the stationary base mount and lay respectively at described movable supporting frame both sides; First and second movable pulleys, described first and second movable pulleys are installed in to axis normal on the aft end face of movable supporting frame respectively; First and second fixed pulleys, described first and second fixed pulleys are installed in to axis normal on the described stationary base mount respectively and are positioned at the movable supporting frame back; With first and second ropes, first end of described first rope is connected on the described stationary base mount and second end is walked around first movable pulley, first fixed pulley and the first changed course pulley successively and linked to each other with counterweight, and first end of described second rope is fixed on the described stationary base mount and second end is walked around alter course pulley and linking to each other with counterweight of second movable pulley, second fixed pulley and second successively.
Belt conveyer according to the embodiment of the invention also has following additional technical feature:
According to the belt conveyer of the embodiment of the invention, described tightening device further comprises: third and fourth movable pulley, and described third and fourth movable pulley is installed in to axis normal on the aft end face of movable supporting frame respectively; With third and fourth fixed pulley, described third and fourth fixed pulley is installed in to axis normal on the described stationary base mount respectively and is positioned at the movable supporting frame back, second end of wherein said first rope is walked around the 3rd movable pulley, the 3rd fixed pulley, first movable pulley, first fixed pulley and the first changed course pulley successively and is linked to each other with counterweight, and second end of described second rope is walked around alter course pulley and linking to each other with counterweight of second movable pulley, the 4th fixed pulley, the 4th movable pulley, second fixed pulley and second successively.
The axis of described third and fourth movable pulley is axially aligned, and the axis of described the 3rd fixed pulley and the 4th fixed pulley is axially aligned.
The axis of described first and second movable pulleys is axially aligned, and described first and second movable pulleys and third and fourth movable pulley laterally are arranged side by side on the aft end face of movable supporting frame.
Belt conveyer according to the embodiment of the invention, described tightening device further comprises the movable pulley erecting frame, described movable pulley erecting frame is pivotably mounted on the aft end face of movable supporting frame, and wherein said first movable pulley to the, four movable pulleys are installed in respectively on the described movable pulley erecting frame.
According to the belt conveyer of the embodiment of the invention, described tightening device further comprises carriage, and described carriage is fixed on the aft end face of described movable supporting frame and described movable pulley erecting frame is pivotably mounted on the carriage by bearing pin.
The axis of described first and second movable pulleys is axially aligned.
Described counterweight comprises boatswain chair, and second end of described first rope links to each other with boatswain chair respectively with second end of second rope; Pair of guide rods, described pair of guide rods be arranged in parallel and the upper end of described pair of guide rods links to each other with boatswain chair respectively; Supporting plate, described supporting plate links to each other with the lower end of described pair of guide rods; With a plurality of clump weights, described a plurality of clump weights are removably disposed on the supporting plate.
Belt conveyer according to the embodiment of the invention, described tightening device further comprises the counterweight protective frame, described counterweight protective frame is arranged on the below of boatswain chair, and wherein said pair of guide rods stretches in the counterweight protective frame and described supporting plate and clump weight are positioned at the counterweight protective frame.
The bottom of described movable supporting frame is equipped with wheel, and described wheel is removable along the guide rail that is arranged on the described stationary base mount.
Compared with prior art, the present invention has one of following advantage at least:
At first, according to the belt conveyer of the embodiment of the invention, compare with the existing tightening device that utilizes counterweight to produce tension force, it is light to have counterweight, it is little to take up room, and eliminated use hydraulic efficiency pressure system cost height, complex structure, defectives such as maintenance need repairing, structure of the present invention is simpler, fault rate is low, and applicability is good, and cost is lower.
According to the belt conveyer of the embodiment of the invention, by regulating the weight of counterweight, the scope that makes tightening device produce tension force is widened greatly, and tension stability.
According to the belt conveyer of the embodiment of the invention, by using the changed course pulley, counterweight can be arranged on the below of movable supporting frame, and tightening device takes up space little, and the rear side of movable supporting frame need not to reserve big space, has reduced space constraint, has improved applicability.
According to the belt conveyer of the embodiment of the invention, by adopting fixed pulley, under the situation that produces same tension force, reduced the weight and volume of counterweight, reduced the required space of counterweight, made things convenient for the Assembly ﹠Disassembly of counterweight.
According to the belt conveyer of the embodiment of the invention, hang counterweight by adopting two ropes to transfer, reduced the stressed of single rope, so the manufacturing of rope is convenient, cost is lower, and the life-span is longer.
According to the belt conveyer of the embodiment of the invention, counterweight can comprise a plurality of clump weights, therefore, tension force easy to adjust, installing/dismounting is simpler.
Belt conveyer according to the embodiment of the invention, by pivotable movable pulley erecting frame is installed on the aft end face of movable supporting frame, therefore fixed pulley can be swung with respect to movable supporting frame, thereby low to the setting accuracy requirement of fixed pulley, has eliminated the situation of pulley discontinuity equalization.
Aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the slack-free scheme drawing of belt conveyer;
Fig. 2 is the structural representation according to the belt conveyer of the embodiment of the invention;
Fig. 3 is the schematic top plan view of belt conveyer shown in Figure 2;
Fig. 4 is the local enlarged diagram of belt conveyer right end portion shown in Figure 3, shows tightening device especially;
Fig. 5 is the cross-sectional schematic along the line B-B among Fig. 2;
Fig. 6 is the cross-sectional schematic along the line C-C among Fig. 2;
Fig. 7 be along the D among Fig. 2 to view, show the scheme drawing of counterweight and protective frame thereof;
Fig. 8 is the schematic top plan view of Fig. 7.
Fig. 9 is the schematic diagram of the tightening device of belt conveyer according to an embodiment of the invention; With
Figure 10 is the schematic diagram of the tightening device of belt conveyer according to another embodiment of the present invention;
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
For convenience, in the present invention, before a side of the head roll of belt conveyer was defined as, after changed course cylinder one side was defined as, promptly the direction of material movement was forward a direction on the belt conveyer, and direction in contrast is a direction backward.In addition, the direction that changed course cylinder and movable supporting frame move is defined as vertically, and the direction of quadrature is horizontal (for example above-below direction among Fig. 3) with it.Yet this only is for convenience, and can not be interpreted as restriction the present invention.
Below with reference to the belt conveyer of accompanying drawing description according to the embodiment of the invention.
As Figure 1-3, the belt conveyer according to the embodiment of the invention comprises head roll 1, changed course cylinder 2, load-transfer device 5, actuating device and tightening device.
Head roll 1 is rotatably installed on the frame 15 of belt conveyer, and head roll 1 is by the actuating device driven in rotation.
Described actuating device comprises motor 20, retarder 19, minor sprocket 18, hinge wheel 16 and chain 17.
Particularly, hinge wheel 16 is installed in the rotating shaft of head roll 1, and minor sprocket 18 is installed on the output shaft of retarder 19, hinge wheel 16 links to each other by chain 17 with minor sprocket 18, thereby motor 20 is by retarder 19, minor sprocket 18, chain 17, hinge wheel 16 drives head roll 1 and rotates.
Certainly, actuating device is not limited to the foregoing description, and for example, motor can drive head roll 1 by retarder and train of gears, also can be by retarder and transmission shaft and coupler driving head roll 1.
Annular load-transfer device 5 is on head roll 1 and changed course cylinder 2, and head roll 1 is positioned at the front end of load-transfer device 5, and changed course cylinder 2 is positioned at the rear end of load-transfer device 5, and changed course cylinder 2 passes through load-transfer device 5 driven rotary by head roll 1.Between head roll 1 and changed course cylinder 2, on frame 15, be provided with upper supporting roller 3, be used for the load-transfer device 5 of upside is carried out supplemental support.In addition, below frame 15, also be provided with snub pulley 4, be used to support the load-transfer device 5 that runs to downside.In the front side of head roll 1, be provided with head cover 12 and hopper 13, hopper 13 be positioned at head cover 13 below.
Tightening device is used for tensioning load-transfer device 5, thereby makes the belt in tension of head roll 1 and changed course cylinder 2 tops.
At first principle according to the tightening device of the belt conveyer of the embodiment of the invention is described below with reference to figure 1, Fig. 9 and Figure 10.
As shown in Figure 1, the material in the intermediate bunker 8 of belt conveyer directly is pressed on the load-transfer device 5, is tending towards sagging thereby load-transfer device 5 is subjected to great pressure, and for this reason, tightening device must produce enough tension force could tensioning load-transfer device 5.
As Fig. 1 and shown in Figure 9, the tightening device of belt conveyer comprises movable supporting frame 6, and changed course cylinder 2 is installed on the movable supporting frame 6, and as shown in Figure 2, cylinder 2 moves thereby movable supporting frame 6 can drive changed course, and the tensioning load-transfer device 5 thus.Certainly, changed course cylinder 2 is not the component parts of tightening device.The bottom of movable supporting frame 6 can be provided with wheel 7, on stationary base mount 14 guide rail 9 can be set, thereby wheel 7 can translation on guide rail 9, drives changed course cylinder 2 thus and moves and tensioning load-transfer device 5 backward.
As shown in Figure 9, the stationary base mount 14 of tightening device is arranged on movable supporting frame 6 back and both lateral sides regularly, in the present invention, stationary base mount 14 should be done the understanding of broad sense, the pedestal of the stationary base mount of movable supporting frame 6 back and movable supporting frame 6 both sides can be an one, it also can be split, the implication of stationary base mount 14 be meant coupled parts for example fixed pulley and the changed course pulley maintain static, in addition, stationary base mount 14 can be an one with the frame 15 of belt conveyer also, here for convenience, be designated two parts.In the present embodiment, stationary base mount 14 is the integral frame that are fixed on the ground, for example is the profile of cardinal principle U-shaped, thereby is centered around movable supporting frame 14 back and both sides, and be fixed together with frame 15.Its effect is that fixed pulley is installed, changed course pulley, the track of lanyard and wheel etc.
Tightening device also comprises the first changed course pulley 26 and second changed course pulley 27, the first movable pulley 21a and the second movable pulley 21b, first fixed pulley 24 and second fixed pulley 25 and the first rope 10a and the second rope 10b.
The first changed course pulley 26 and the second changed course pulley 27 install and fix on the pedestal 14 respectively and are positioned at movable supporting frame 6 both lateral sides, and their axis horizontal setting, and promptly the first changed course pulley 26 and the second changed course pulley 27 are standing setting.
The first movable pulley 21a and the second movable pulley 21b are installed on the aft end face of movable supporting frame 6 respectively and their axis normal setting, and promptly the first movable pulley 21a and the second movable pulley 21b keep flat setting.
First fixed pulley 24 and second fixed pulley 25 be installed on the stationary base mount 14 respectively, be positioned at movable supporting frame 6 back and their axis normal setting, in other words, first fixed pulley 24 is the same with the second movable pulley 21b with the first movable pulley 21a with second fixed pulley 25 also keeps flat setting.
First end of the first rope 10a is connected on the stationary base mount 14.Second end of the first rope 10a is walked around the first movable pulley 21a, first fixed pulley 24 and the first changed course pulley 26 and link to each other with counterweight 11 (referring to Fig. 2) successively.
First end of the second rope 10b is fixed on the stationary base mount 14 and its second end is walked around the second movable pulley 21b, second fixed pulley 25 and the second changed course pulley 27 successively and link to each other with counterweight 11 (referring to Fig. 2).
Here having described second end of the first rope 10a and second end of the second rope 10b all links to each other with counterweight 11, yet, be understandable that, counterweight 11 can not be an one also, for example second end of the first rope 10a links to each other with a sub-counterweight, and second end of the second rope 10b links to each other with another sub-counterweight, and the weight of each sub-counterweight is counterweight 11 half, and described sub-counterweight lay respectively at first and second the changed course pulleys 26,27 below.When adopting a counterweight 11, second end of second end of the first rope 10a and the second rope 10b links to each other with counterweight 11 respectively, thereby counterweight 11 can be positioned at the below of movable supporting frame 6.
Need to prove, fix first end of first end of the first rope 10a and the second rope 10b stationary base mount, the stationary base mount of first fixed pulley 24 and second fixed pulley 25 is installed, and install first and second the changed course pulleys 26,27 stationary base mount can be an one, also can be split.
Tightening device according to the embodiment of the invention, counterweight 11 is by the pulling first rope 10a and the second rope 10b, make movable supporting frame 6 be tending towards moving towards stationary base mount 14 backward, drive changed course cylinder 2 and move backward, thus the load-transfer device 5 of tensioning belt conveyer (with reference to figure 2).
Because counterweight 11 is positioned at the below of movable supporting frame 6, so the rear side of movable supporting frame 6 do not need very big being used to that the space of counterweight and assembly pulley is installed, and whole tightening device takes up space little.In addition,, make that the scope of tension force is big, can reach more than 20 by adopting counterweight, and tension stability, simple in structure, reliable.And, owing to adopted movable pulley, having reduced under the situation that produces same tension force, to reduce the weight and volume of counterweight, Assembly ﹠Disassembly is convenient.And then owing to adopted two ropes, therefore under the situation of same tension force, the stressed reduction of every rope in the life-span of having improved rope, has reduced manufacture difficulty and cost to rope.
Figure 10 shows the schematic diagram of the tightening device of belt conveyer according to another embodiment of the present invention, compare with embodiment illustrated in fig. 9, the tightening device of belt conveyer further comprises the 3rd movable pulley 22a and the 4th movable pulley 22b and the 3rd fixed pulley 23a and the 4th fixed pulley 23b according to another embodiment of the present invention.
The 3rd movable pulley 22a and the 4th movable pulley 22b are installed on the aft end face of movable supporting frame 6 respectively and their axis normal setting, that is, the 3rd movable pulley 22a and the 4th movable pulley 22b keep flat setting.The 3rd fixed pulley 23a and the 4th fixed pulley 23b are installed on the stationary base mount 14, are positioned at movable supporting frame 6 back and their axis normal setting, and promptly the 3rd fixed pulley 23a and the 4th fixed pulley 23b keep flat setting.
As shown in figure 10, first end of the first rope 10a is fixed on the stationary base mount 14, and second end is walked around the 3rd movable pulley 22a, the 3rd fixed pulley 23a, the first movable pulley 21a, first fixed pulley 24 and the first changed course pulley 26 successively and linked to each other with counterweight 11.The second rope 10b, first end is fixed on the stationary base mount 14 and second end is walked around the second movable pulley 21b, the 4th fixed pulley 23b, the 4th movable pulley 22b, second fixed pulley 25 and the second changed course pulley 27 successively and linked to each other with counterweight 11.
As shown in figure 10, in planar view, on stationary base mount 14, the 3rd fixed pulley 23a and the 4th fixed pulley 23b are located between first end of first end of the first rope 10a and the second rope 10b.First fixed pulley 24 is positioned at first end outside of the second rope 10b, and second fixed pulley 25 is positioned at the outside of first end of the second rope 10b.
For embodiment shown in Figure 10, by the 3rd movable pulley 22a and the 4th movable pulley 22b are set, under same tension force situation, can further reduce the weight and volume of counterweight 11, thereby requisite space is littler, the Assembly ﹠Disassembly of counterweight is convenient.
Describe structure in detail below with reference to Fig. 2 to 7 and Figure 10 according to the tightening device of the belt conveyer of the embodiment of the invention.
As shown in Figures 2 and 3, as mentioned above, the head roll 1 of belt conveyer is installed on the frame 15 of belt conveyer, and head roll 1 is driven by retarder 19, minor sprocket 18, chain 17, hinge wheel 16 by motor 20.
The changed course cylinder 2 of belt conveyer is positioned at the rear end of load-transfer device 5, and changed course cylinder 2 passes through load-transfer device 5 driven rotary by head roll 1.Between head roll 1 and changed course cylinder 2, on frame 15, be provided with the upper supporting roller 3 that carries out supplemental support load-transfer device 5.In addition, below frame 15, can also be provided with snub pulley 4, be used to support the load-transfer device 5 that runs to downside.In the front side of head roll 1, be provided with head cover 12 and hopper 13.
Shown in Fig. 2-3, comprise movable supporting frame 6 according to the tightening device of embodiment of the invention belt conveyer, changed course cylinder 2 is installed on the movable supporting frame 6, thus movable supporting frame 6 can drive the translation longitudinally of changed course cylinder 2.Movable supporting frame 6 for example is equipped with the tensioning dolly of wheel 7 for the bottom.Certainly, movable supporting frame 6 also can be implemented with any suitable form, as long as it can drive changed course cylinder 2 with respect to frame 15 and head roll 1 translation longitudinally, the wheel 7 of movable supporting frame 6 can move along the guide rail 9 (referring to Fig. 1) that is arranged on the stationary base mount 14.
Shown in Fig. 3-5, tightening device also comprises the first changed course pulley 26 and the second changed course pulley 27 that is arranged on the stationary base mount 14 and lays respectively at movable supporting frame 6 both lateral sides.More specifically, as shown in Figure 8 in the both lateral sides of movable supporting frame 6, at stationary base mount 14 the first changed course pulley yoke 28 and the second changed course pulley yoke, 29, the first changed course pulleys 26 and the second changed course pulley 27 being installed is installed in respectively on the first changed course pulley yoke 28 and the second changed course pulley yoke 29.In illustrated embodiment, the axis horizontal setting of the first changed course pulley 26 and the second changed course pulley 27, promptly the first changed course pulley 26 and the second changed course pulley 27 are standing and are installing.
The first movable pulley 21a of tightening device, the second movable pulley 21b, the 3rd movable pulley 22a and the 4th movable pulley 22b are installed on the aft end face of movable supporting frame 6 respectively and their axis normal setting, i.e. first to fourth movable pulley 21a, 21b, 22a, 22b keeps flat setting.More specifically, carriage 32 is installed on the aft end face of movable supporting frame 6, movable pulley erecting frame 31 is installed on the carriage 32 by pivot 30, thereby movable pulley erecting frame 31 can rotate with respect to movable supporting frame 6.
Preferably, on the line of centers that is centered close to movable supporting frame 6 of carriage 30, first to fourth movable pulley 21a, 21b, 22a, 22b is installed on the movable pulley erecting frame 31, thereby first to fourth movable pulley 21a, 21b, 22a, 22b can swing with respect to movable supporting frame 6 with movable pulley mounting bracket 30, has avoided their discontinuity equalizations.
As shown in Figure 5 and Figure 6, the axis of the first movable pulley 21a and the second movable pulley 21b is axially aligned, and the axis of the 3rd movable pulley 22a and the 4th movable pulley 22b is axially aligned.Thereby movable pulley is divided into two groups: first group comprises the first movable pulley 21a and the second movable pulley 21b, and second group comprises the 3rd movable pulley 22a and the 4th movable pulley 22b, and two groups of movable pulleys laterally are arranged on the transverse ends of movable pulley erecting frame 31 symmetrically and side by side.
The stationary base mount 14 of tightening device is positioned at movable supporting frame 6 back and both sides and predetermined distance apart, and stationary base mount 14 can be split, also can be single-piece, and in the present embodiment, stationary base mount 14 is single-pieces.
First and second fixed pulleys 24,25 of tightening device and the third and fourth fixed pulley 23a, 23b is installed on the stationary base mount 14 respectively and their axis normal, and promptly they keep flat setting.Preferably, in illustrated embodiment, first fixed pulley 24 and the first movable pulley 21a, the 3rd movable pulley 22a and the 3rd fixed pulley 23a are installed in same level height, and second fixed pulley 25 and the second movable pulley 21b, the 3rd movable pulley 22b and the 4th fixed pulley 23b are installed on the same level height, and the axis of the 3rd fixed pulley 23a and the 4th fixed pulley 23b is axially aligned and between first fixed pulley 24 and second fixed pulley 25.
Tightening device according to embodiment of the invention belt conveyer, preferably, movable pulley, fixed pulley and changed course pulley can adopt identical model, the axis of the 3rd fixed pulley 23a and the 4th fixed pulley 23b and the pivot 30 of movable pulley erecting frame 31 are positioned on the cross central line of movable supporting frame 6, thus, movable supporting frame 6 and all movable pulleys and fixed pulley stressed balanced more, and increased the interchangeability of pulley, easy to maintenance.Certainly, the model of pulley also can be inequality.
Tightening device according to embodiment of the invention belt conveyer adopts two ropes, first end of the first rope 10a is fixed on the stationary base mount 14, and second end of the first rope 10a is walked around the 3rd movable pulley 22a, the 3rd fixed pulley 23a, the first movable pulley 21a, first fixed pulley 24 and the first changed course pulley 26 successively and linked to each other with counterweight 11.First end of the second rope 10b also is fixed on the stationary base mount 14, second end of the second rope 10b is walked around the second movable pulley 21b, the 4th fixed pulley 23b, the 4th movable pulley 22b, second fixed pulley 25 and the second changed course pulley 27 successively and is linked to each other with counterweight 11, has constituted the tightening device that can apply tension force to load-transfer device 5 thus.
Fig. 7 shows the structural representation according to the counterweight 11 of the tightening device of the embodiment of the invention.According to embodiments of the invention, counterweight 11 comprises boatswain chair 11e, second end of second end of the first rope 10a and the second rope 10b links to each other with boatswain chair 11e respectively, on boatswain chair 11e, be provided with pair of guide rods 11b abreast, 11c, guide rod 11b, the upper end of 11c links to each other with boatswain chair 11e, and the lower end links to each other with supporting plate 11d.Clump weight 11a removably is installed on the supporting plate 11d, and the number of clump weight 11a can increase and reduce by tension force as required.Therefore, the weight of counterweight 11 is easy to regulate, and Assembly ﹠Disassembly is convenient.
As shown in Figure 7 and Figure 8, below boatswain chair 11e, be provided with counterweight protective frame 33, guide rod 11b wherein, 11c stretches in the counterweight protective frame 33, thus supporting plate 11d and clump weight 11a are positioned at counterweight protective frame 33, thus, the personnel that can prevent wait enter below the counterweight and near, increased safety.
Tightening device according to embodiment of the invention belt conveyer, the first rope 10a and the second rope 10b have been adopted, and be provided with first to fourth movable pulley 21a respectively, 21b, 22a, 24b, therefore under situation with isostension, the weight of counterweight 11 can significantly reduce, and for example, can reduce half with the weight of embodiment counterweight 11 shown in Figure 9.And, by adopting two ropes, the stressed reduction of every rope, the life-span improves, and requirement of strength reduces, and manufacturing is more prone to, and cost is lower.
And then, by the changed course pulley is set, make the position of counterweight 11 move on to the below of movable supporting frame 6, certainly from the rear side of movable supporting frame 6, if counterweight 11 is divided into and the first rope 10a and two sub-counterweights of the independent bonded assembly of the second rope 10b, so sub-counterweight is located in the below of changed course pulley.Therefore, littler according to the space that the tightening device of the embodiment of the invention laterally occupies, reduced cost, make structure compact more.
Tightening device according to embodiment of the invention belt conveyer, owing to adopt counterweight 11 to produce tension force, so the scope of tension force is big, for example by changing the quantity of clump weight 11a, can regulate required tension force within a large range, and tension stability, tightening device is not easy et out of order, compares with hydraulic actuating cylinder tightening device used in the prior art, saved baroque hydraulic efficiency pressure system, operation and maintenance is very easy, has reduced cost, and structure is simpler.
Working process according to the belt conveyer of the embodiment of the invention is simply described below.
Behind starter motor 20, motor 20 drives head roll 1 and rotates by retarder 19, minor sprocket 18, chain 17, hinge wheel 16, and head roll 1 drives load-transfer device 5 and changed course cylinder 2 rotates.At this moment, the material in the intermediate bunker 8 directly is pressed on the load-transfer device 5, is tending towards sagging thereby load-transfer device 5 is subjected to great pressure.
For tensioning load-transfer device 5, with the first and second rope 10a, second end of 10b links to each other with counterweight 11 respectively, counterweight 11 is by the first and second rope 10a, 10b makes movable supporting frame 6 move towards the backward directions away from head roll 1, movable supporting frame 6 drives changed course cylinder 2 again and moves backward, and the cylinder 2 that alters course thus is tending towards leaving head roll 1, and the tensioning load-transfer device 5 as a result.By regulating the weight of counterweight 11, can regulate the tension force of load-transfer device 5 easily, and the weight and volume of counterweight 11 reduces the stressed reduction of rope.
The difference of the structure of the structure of tightening device as shown in Figure 9 and tightening device shown in Figure 10 is to have saved third and fourth movable pulley and third and fourth fixed pulley, the similar of other structure and tightening device shown in Figure 10, therefore, give unnecessary details no longer in detail for the concrete structure of the tightening device that embodies principle shown in Figure 9 here.
As above describe, simple according to the tensioning device structure of embodiment of the invention belt conveyer, reliable, tension range is big, and the weight and volume of counterweight reduces, the stressed reduction of rope, and the life-span improves, and cost is low, and is easy to maintenance.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification that scope of the present invention is by claims and be equal to and limit to these embodiment.
Claims (10)
1, a kind of belt conveyer is characterized in that, comprising:
Head roll;
The changed course cylinder;
The load-transfer device on the cylinder around head roll and changed course;
Actuating device, described actuating device drive the head roll rotation; And
Tightening device, described tightening device is used for the tensioning load-transfer device and comprises,
Movable supporting frame is suitable for installing the changed course cylinder of belt conveyer on the described movable supporting frame;
Stationary base mount, described stationary base mount is arranged on movable supporting frame both sides and back regularly;
The first and second changed course pulleys, the described first and second changed course pulley axis on even keels are installed on the stationary base mount and lay respectively at described movable supporting frame both sides;
First and second movable pulleys, described first and second movable pulleys are installed in to axis normal on the aft end face of movable supporting frame respectively;
First and second fixed pulleys, described first and second fixed pulleys are installed in to axis normal on the described stationary base mount respectively and are positioned at the movable supporting frame back; With
First and second ropes, first end of described first rope is connected on the described stationary base mount and second end is walked around first movable pulley, first fixed pulley and the first changed course pulley successively and linked to each other with counterweight, and first end of described second rope is fixed on the described stationary base mount and second end is walked around alter course pulley and linking to each other with counterweight of second movable pulley, second fixed pulley and second successively.
2, belt conveyer according to claim 1 is characterized in that, described tightening device further comprises:
Third and fourth movable pulley, described third and fourth movable pulley is installed in to axis normal on the aft end face of movable supporting frame respectively; With
Third and fourth fixed pulley, described third and fourth fixed pulley are installed in to axis normal on the described stationary base mount respectively and are positioned at the movable supporting frame back,
Second end of wherein said first rope is walked around the 3rd movable pulley, the 3rd fixed pulley, first movable pulley, first fixed pulley and the first changed course pulley successively and is linked to each other with counterweight, and second end of described second rope is walked around alter course pulley and linking to each other with counterweight of second movable pulley, the 4th fixed pulley, the 4th movable pulley, second fixed pulley and second successively.
3, belt conveyer according to claim 2 is characterized in that, the axis of described third and fourth movable pulley is axially aligned, and the axis of described the 3rd fixed pulley and the 4th fixed pulley is axially aligned.
4, belt conveyer according to claim 3 is characterized in that, the axis of described first and second movable pulleys is axially aligned, and described first and second movable pulleys and third and fourth movable pulley laterally are arranged side by side on the aft end face of movable supporting frame.
5, according to claim 2 or 3 described belt conveyers, it is characterized in that described tightening device further comprises the movable pulley erecting frame, described movable pulley erecting frame is pivotably mounted on the aft end face of movable supporting frame,
Wherein said first movable pulley to the, four movable pulleys are installed in respectively on the described movable pulley erecting frame.
6, belt conveyer according to claim 5 is characterized in that, described tightening device further comprises carriage, and described carriage is fixed on the aft end face of described movable supporting frame and described movable pulley erecting frame is pivotably mounted on the carriage by bearing pin.
7, belt conveyer according to claim 1 and 2 is characterized in that, the axis of described first and second movable pulleys is axially aligned.
8, belt conveyer according to claim 1 and 2 is characterized in that, described counterweight comprises:
Boatswain chair, second end of described first rope links to each other with boatswain chair respectively with second end of second rope;
Pair of guide rods, described pair of guide rods be arranged in parallel and the upper end of described pair of guide rods links to each other with boatswain chair respectively;
Supporting plate, described supporting plate links to each other with the lower end of described pair of guide rods; With
A plurality of clump weights, described a plurality of clump weights are removably disposed on the supporting plate.
9, belt conveyer according to claim 8, it is characterized in that, described tightening device further comprises the counterweight protective frame, and described counterweight protective frame is arranged on the below of boatswain chair, and wherein said pair of guide rods stretches in the counterweight protective frame and described supporting plate and clump weight are positioned at the counterweight protective frame.
10, belt conveyer according to claim 1 is characterized in that, the bottom of described movable supporting frame is equipped with wheel, and described wheel is removable along the guide rail that is arranged on the described stationary base mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2008101057393A CN101570274B (en) | 2008-04-30 | 2008-04-30 | Belt conveyor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101057393A CN101570274B (en) | 2008-04-30 | 2008-04-30 | Belt conveyor |
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| CN101570274A true CN101570274A (en) | 2009-11-04 |
| CN101570274B CN101570274B (en) | 2011-04-13 |
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| CN2008101057393A Active CN101570274B (en) | 2008-04-30 | 2008-04-30 | Belt conveyor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103922070A (en) * | 2014-04-28 | 2014-07-16 | 德阳市尚瑞斯机电设备有限公司 | Novel electromechanical device transportation table allowing devices easy to load and unload |
| CN107826630A (en) * | 2017-12-08 | 2018-03-23 | 长沙盛泓机械有限公司 | A kind of high-altitude counterweight handler |
| CN108759453A (en) * | 2018-07-06 | 2018-11-06 | 重庆智博粉末冶金有限公司 | A kind of powder metallurgy roasting plant feeding system |
| CN108792424A (en) * | 2018-07-06 | 2018-11-13 | 重庆智博粉末冶金有限公司 | A kind of powder metallurgy roasting plant feed mechanism |
| CN109036084A (en) * | 2018-09-02 | 2018-12-18 | 南京吉目希自动化科技有限公司 | A kind of intelligence manufacture production line teaching training system for axial workpiece production |
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| US10106883B2 (en) | 2011-11-04 | 2018-10-23 | Intevac, Inc. | Sputtering system and method using direction-dependent scan speed or power |
| WO2015127074A1 (en) * | 2014-02-20 | 2015-08-27 | Intevac, Inc. | Sputtering system and method using counterweight |
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| GB1076497A (en) * | 1963-12-02 | 1967-07-19 | Richard Sutcliffe Engineering | Improvements in or relating to conveyors |
| DE8907870U1 (en) * | 1989-06-28 | 1989-08-10 | Maschinenfabrik Ernst Hese Gmbh & Co. Kg, 4352 Herten, De | |
| CN2729002Y (en) * | 2004-09-28 | 2005-09-28 | 刘金龙 | Automatic tension device of hydraulic winch |
| CN2841589Y (en) * | 2005-09-27 | 2006-11-29 | 中国矿业大学 | Numerical control winch and oil cylinder type hydraulic tensioning device |
| CN201190022Y (en) * | 2008-04-30 | 2009-02-04 | 中国恩菲工程技术有限公司 | Belt conveyor |
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2008
- 2008-04-30 CN CN2008101057393A patent/CN101570274B/en active Active
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| CN103922070A (en) * | 2014-04-28 | 2014-07-16 | 德阳市尚瑞斯机电设备有限公司 | Novel electromechanical device transportation table allowing devices easy to load and unload |
| CN107826630A (en) * | 2017-12-08 | 2018-03-23 | 长沙盛泓机械有限公司 | A kind of high-altitude counterweight handler |
| CN107826630B (en) * | 2017-12-08 | 2023-09-15 | 长沙盛泓机械有限公司 | High-altitude counterweight loading and unloading device |
| CN108759453A (en) * | 2018-07-06 | 2018-11-06 | 重庆智博粉末冶金有限公司 | A kind of powder metallurgy roasting plant feeding system |
| CN108792424A (en) * | 2018-07-06 | 2018-11-13 | 重庆智博粉末冶金有限公司 | A kind of powder metallurgy roasting plant feed mechanism |
| CN109036084A (en) * | 2018-09-02 | 2018-12-18 | 南京吉目希自动化科技有限公司 | A kind of intelligence manufacture production line teaching training system for axial workpiece production |
| CN114074823A (en) * | 2020-08-18 | 2022-02-22 | 阳程科技股份有限公司 | Cutting machine capable of adjusting cutting distance |
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|---|---|
| CN101570274B (en) | 2011-04-13 |
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