CN201190021Y - Tensioner device of belt conveyor - Google Patents

Tensioner device of belt conveyor Download PDF

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Publication number
CN201190021Y
CN201190021Y CNU2008200803490U CN200820080349U CN201190021Y CN 201190021 Y CN201190021 Y CN 201190021Y CN U2008200803490 U CNU2008200803490 U CN U2008200803490U CN 200820080349 U CN200820080349 U CN 200820080349U CN 201190021 Y CN201190021 Y CN 201190021Y
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CN
China
Prior art keywords
pulley
movable
counterweight
supporting frame
tightening device
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Expired - Fee Related
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CNU2008200803490U
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Chinese (zh)
Inventor
佟康令
郝朋越
邱杰敏
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China ENFI Engineering Corp
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China ENFI Engineering Corp
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Priority to CNU2008200803490U priority Critical patent/CN201190021Y/en
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Abstract

The utility model discloses a tensioning device of a belt conveyer, which comprises a movable bracket on which a direction changing roller of the belt conveyer is suitable for installing, fixing base frames fixedly arranged at the two sides and the back of the movable bracket, a first direction changing pulley and a second direction changing pulley which are respectively and horizontally arranged on the fixing base frames along an axial line and positioned at two sides of the movable frame, a first movable pulley vertically arranged on the rear end surface of the movable bracket along the axial line, a first fixed pulley and a second fixed pulley which are respectively and vertically arranged on the fixing base frames along the axial line and a rope, wherein, the first end of the rope is connected with a counterweight, and the second end thereof is connected with the counterweight after passing by the first direction changing pulley, the first fixed pulley, the first movable pulley, the second fixed pulley and the second direction changing pulley in sequence. The utility model has the advantages that the small space is occupied, the tension range is wide, the tension is stable, and the structure is simple.

Description

A kind of tightening device of belt conveyer
Technical field
The utility model relates to a kind of tightening device that is used for belt conveyer, especially relates to a kind of tightening device that can reduce big and stable, the simple in structure belt conveyer of installation footprint, tension range.
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.The sag that has limited load-transfer device in addition 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 utility model 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 big 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.
The utility model content
The purpose of this utility model is intended to one of solve the aforementioned problems in the prior at least.
For this reason, embodiment of the present utility model proposes a kind of tightening device of belt conveyer, and the tension range of described tightening device is big, tension stability, little, simple in structure, reliable, easy to maintenance, the counterweight weight of taking up space reduce.
Tightening device according to the belt conveyer of the utility model embodiment 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 described stationary base mount and lay respectively at the movable supporting frame both sides; First movable pulley is installed on the aft end face of movable supporting frame to the described first movable pulley axis normal; 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 described movable supporting frame back; And rope, first end of rope links to each other with counterweight and second end of rope is walked around the first changed course pulley, first fixed pulley, first movable pulley, second fixed pulley and the second changed course pulley successively and link to each other with counterweight.
Tightening device according to the belt conveyer of the utility model embodiment also has following additional technical feature:
Tightening device according to the belt conveyer of the utility model embodiment further comprises second movable pulley, is installed on the aft end face of movable supporting frame to the described second movable pulley axis normal; With the 3rd fixed pulley, described the 3rd fixed pulley axis vertically is installed on the described stationary base mount, in described movable supporting frame back and between first and second fixed pulleys, first end of wherein said rope links to each other with counterweight and second end of rope is walked around the first changed course pulley, first fixed pulley, first movable pulley, the 3rd fixed pulley, second movable pulley, second fixed pulley and the second changed course pulley successively and linked to each other with counterweight.
Described first and second movable pulleys laterally are arranged on the aft end face of movable supporting frame abreast.
Described first and second movable pulleys and first to the 3rd fixed pulley are installed on the identical level height.
Tightening device according to the belt conveyer of the utility model embodiment 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 and second movable pulleys are installed in respectively on the described movable pulley erecting frame.
Tightening device according to the belt conveyer of the utility model embodiment 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.
Described counterweight comprises boatswain chair, and first end of described rope links to each other with boatswain chair respectively with second end; 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.
Tightening device according to the belt conveyer of the utility model embodiment 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 utility model has one of following advantage at least:
At first, according to the tightening device of the belt conveyer of the utility model embodiment, utilize counterweight to produce tension force to compare with existing, 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, the utility model structure is simpler, fault rate is low, and applicability is good, and cost is lower.
According to the tightening device of the belt conveyer of the utility model embodiment, by regulating the weight of counterweight, make the scope that produces tension force widen greatly, and tension stability.
According to the tightening device of the belt conveyer of the utility model embodiment, by using the changed course pulley, counterweight can be arranged on the below of movable supporting frame, tightening device takes up space little, the rear side of movable supporting frame need not to reserve big space, has reduced space constraint, has improved applicability.
According to the tightening device of the belt conveyer of the utility model embodiment, counterweight can comprise a plurality of clump weights, therefore, tension force easy to adjust, installing/dismounting is simpler.
Tightening device according to the belt conveyer of the utility model embodiment, by pivotable movable pulley erecting frame is installed on the aft end face of movable supporting frame, therefore movable pulley can be swung with respect to movable supporting frame, thereby the setting accuracy requirement to fixed pulley is low, has eliminated the situation of pulley discontinuity equalization.
Aspect that the utility model is additional and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model 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 schematic diagram according to the tightening device of the belt conveyer of an embodiment of the utility model;
Fig. 3 is the schematic diagram according to the tightening device of the belt conveyer of another embodiment of the utility model;
Fig. 4 is the structural representation that has according to the belt conveyer of the tightening device of another embodiment of the utility model;
Fig. 5 is the schematic top plan view of belt conveyer shown in Figure 4;
Fig. 6 is the local enlarged diagram of belt conveyer right end portion shown in Figure 5, shows tightening device especially;
Fig. 7 is the cross-sectional schematic along the line B-B among Fig. 4;
Fig. 8 is the cross-sectional schematic along the line C-C among Fig. 4;
Fig. 9 be along the D among Fig. 4 to view, show the scheme drawing of counterweight and protective frame thereof; With
Figure 10 is the schematic top plan view of Fig. 9.
The specific embodiment
Describe embodiment of the present utility model 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 utility model, and can not be interpreted as restriction of the present utility model.
For convenience, in the utility model, 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. 5) with it.Yet this only is for convenience, and can not be interpreted as restriction the utility model.
Below at first with reference to the principle of figure 1-3 description according to the tightening device of the belt conveyer of the utility model embodiment.
Fig. 1 is the scheme drawing that has the belt conveyer of tightening device.Fig. 2 shows the schematic diagram according to the tightening device of the belt conveyer of an embodiment of the utility model.
As shown in Figure 1, belt conveyer comprises head roll 1, changed course cylinder 2 and the cycloconveyor belt 5 on the cylinder 2 around head roll 1 and changed course, between head roll 1 and changed course cylinder 2, also be provided with the upper supporting roller 3 that is used for supplemental support load-transfer device 5, material in the intermediate bunker 8 directly is pressed on the load-transfer device 5, thereby load-transfer device 5 is subjected to great pressure is tending towards sagging, for this reason, tightening device must produce enough tension force ability tensioning load-transfer devices 5.
As depicted in figs. 1 and 2, 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 4, cylinder 2 moves thereby movable supporting frame 6 can drive changed course, and the tensioning load-transfer device 5 thus.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 2, the stationary base mount 14 of tightening device is arranged on movable supporting frame 6 back and both lateral sides regularly, in the utility model, 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, 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 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.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 pulleys, 21, the first fixed pulleys 24 and second fixed pulley 25 and the rope 10.
The first changed course pulley 26 and the second changed course pulley 27 are installed on the stationary base mount 14 and lay respectively 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.
First movable pulley 21 is installed on the aft end face of movable supporting frame 6 and its axis normal setting, and promptly first movable pulley 21 keeps flat setting.
First fixed pulley 24 and second fixed pulley 25 are installed on the stationary base mount 14 respectively and their axis normal setting, and in other words, first fixed pulley 24 and second fixed pulley 25 be the same with first movable pulley 21 also to keep flat setting.First fixed pulley 24 and second fixed pulley 25 preferably are fixed on the same level height on the stationary base mount 14.
First end of rope 10 links to each other with counterweight 11 and second end of rope 10 is walked around the first changed course pulley 26, first fixed pulley 24, first movable pulley 21, second fixed pulley 25 and the second changed course pulley 27 successively and link to each other with counterweight 11.
Here first end of having described rope 10 all links to each other with counterweight 11 with second end, yet, be understandable that counterweight 11 can not be an one also, for example first end of rope 10 can link to each other with an equiponderant sub-counterweight respectively with second end.When adopting a counterweight 11, first end of rope 10 links to each other with the two ends, top of counterweight 11 respectively with second end, thereby counterweight 11 can be positioned at the below of movable supporting frame 6.
According to the tightening device of the utility model embodiment, counterweight 11 makes movable supporting frame 6 be tending towards moving towards stationary base mount 14 backward by first end and second end of pulling rope 10, and drive changed course cylinder 2 and move backward, thus the load-transfer device 5 of tensioning belt conveyer.
Because counterweight 11 is positioned at the below of movable supporting frame 6, so movable supporting frame 6 back 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 ton 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.
Fig. 3 shows the schematic diagram according to the tightening device of the belt conveyer of another embodiment of the utility model, compare with embodiment illustrated in fig. 2, further comprise second movable pulley 22 and the 3rd fixed pulley 23 according to the tightening device of the belt conveyer of another embodiment of the utility model.
Second movable pulley 22 is installed on the aft end face of movable supporting frame 6 and its axis normal setting, and promptly second movable pulley 22 keeps flat setting.The 3rd fixed pulley 23 is installed on the stationary base mount 14 and is positioned at movable supporting frame 6 back and its axis normal setting, and promptly the 3rd fixed pulley 23 keeps flat setting.
As shown in Figure 3, first end of rope 10 links to each other with counterweight 11 and second end of rope is walked around the first changed course pulley 26, first fixed pulley 24, second movable pulley 22, the 3rd fixed pulley 23, first movable pulley 21, second fixed pulley 25 and the second changed course pulley 27 successively and linked to each other with counterweight 11.
As shown in Figure 3, in planar view, on stationary base mount 14, the 3rd fixed pulley 23 is in a lateral direction between first fixed pulley 24 and second fixed pulley 25.
For embodiment shown in Figure 3, by second movable pulley 22 is 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.
Below with reference to the structure of Fig. 3 to Fig. 9 detailed description according to the tightening device of the belt conveyer of another embodiment of the utility model.
Fig. 4 is the structural representation that has according to the belt conveyer of the tightening device of another embodiment of the utility model, and Fig. 5 is the schematic top plan view of belt conveyer shown in Figure 4.As shown in Figure 4 and Figure 5, 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 by motor 20.
More specifically, 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.
The changed course cylinder 2 of belt conveyer is positioned at the other end of load-transfer device 5, and changed course cylinder 2 is by load-transfer device 5 driven rotary.The load-transfer device 5 of annular is walked around head roll 1 and changed course cylinder 2, and head roll 1 drives load-transfer device 5 and moves.Between head roll 1 and changed course cylinder 2, on frame 15, be provided with upper supporting roller 3, be used for load-transfer device 5 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.
Shown in Fig. 4-5, comprise movable supporting frame 6 according to the tightening device of the belt conveyer of the utility model embodiment, driven cylinder 2 is installed on the movable supporting frame 6, thus movable supporting frame 6 can drive the translation longitudinally of driven cylinder 2.Wheel 7 is equipped with in the bottom of movable supporting frame 6.Wheel 7 can move along the guide rail 9 (referring to Fig. 1) on the stationary base mount 14 of movable supporting frame 6 both sides.
Shown in Fig. 5-7, tightening device also comprises the first changed course pulley 26 and the second changed course pulley 27 that is separately positioned on the stationary base mount 14 and is positioned at movable supporting frame 6 both lateral sides.As shown in Figure 8, 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.
First movable pulley 21 of tightening device and second movable pulley 22 are installed on the aft end face of movable supporting frame 6 respectively and their axis normal setting, promptly keep 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 and second movable pulleys 21,22 are installed on the movable pulley erecting frame 31, thereby first and second movable pulleys 21,22 can swing with respect to movable supporting frame 6 with movable pulley mounting bracket 30, have avoided their discontinuity equalizations.
On movable pulley mounting bracket 30, first and second movable pulleys 21,22 laterally are arranged side by side.Preferably, first and second movable pulleys 21,22 and first to the 3rd sliding surely 24,25,23 are taken turns and are installed on the identical level height.
The stationary base mount 14 of tightening device is fixed on movable supporting frame 6 back and both sides and predetermined distance apart, and stationary base mount 14 is the integral frame that are fixed on the ground.In the present embodiment, thus stationary base mount 14 is centered around movable supporting frame back and both sides for U-shaped substantially.
First and second fixed pulleys 24,25 and the 3rd fixed pulley 23 of tightening device are installed on the stationary base mount 14 respectively and their axis normal, and promptly they keep flat setting.Along horizontal direction, the 3rd fixed pulley 23 is positioned between first and second fixed pulleys 24,25.Preferably, as mentioned above, the level height that the 3rd fixed pulley 23 is positioned at first and second positions of fixed pulley 24,25 on stationary base mount 14 is identical.
According to the tightening device of the utility model embodiment, preferably, movable pulley, fixed pulley and changed course pulley can adopt identical model, thus, movable supporting frame 6 and all movable pulleys and fixed pulley stressed balanced more, and increased the interchangeability of pulley, easy to maintenance.
Tightening device according to the utility model embodiment, first end of rope 10 links to each other with counterweight 11 and second end of rope is walked around the first changed course pulley 26, first fixed pulley 24, first movable pulley 21, the 3rd fixed pulley 23, second movable pulley 22, second fixed pulley 25 and the second changed course pulley 27 successively and link to each other with counterweight 11, has constituted the tightening device that can apply tension force to load-transfer device 5 thus.
Fig. 9 shows the structural representation according to the counterweight 11 of the tightening device of the utility model embodiment.According to embodiment of the present utility model, counterweight 11 comprises boatswain chair 11e, and first end of rope 10 links to each other with boatswain chair 11e respectively with second end, 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.A plurality of detouchable clump weight 11a are 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 Fig. 9 and shown in Figure 10, 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.
According to the tightening device of the utility model embodiment, adopted two movable pulleys, therefore under the situation with isostension, the weight of counterweight 11 can reduce, and for example, can reduce half with the weight of embodiment counterweight 11 shown in Figure 2.
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 from the rear side of movable supporting frame 6, certainly, distinguish heavy sub-counterweights such as two of bonded assemblys if counterweight 11 is divided into first end and second end of rope 10, so sub-counterweight just lays respectively at the below of changed course pulley.Therefore, littler according to the space that the tightening device of the utility model embodiment laterally occupies, reduced cost, make structure compact more.
According to the tightening device of the utility model embodiment, adopted the principle of the assembly pulley demultiplication of movable pulley and fixed pulley cooperation, make that the weight of counterweight 11 is little, tension force is big.And can be by changing the quantity of clump weight 11a, can regulate required tension force within a large range, tension stability, tightening device is not easy et out of order, compare with employing hydraulic actuating cylinder technology, saved a whole set of baroque hydraulic efficiency pressure system, operations and maintenance is very convenient, reduced cost, structure is simpler.
Working process according to the tightening device of the utility model embodiment 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, head roll 1 drives load-transfer device 5 and changed course cylinder 2 rotates, link to each other with counterweight 11 respectively with second end by first end rope 10, counterweight 11 makes movable supporting frame 6 move towards the backward directions away from head roll 1 by rope 10, movable supporting frame 6 drives changed course cylinder 2 again and moves backward, driven thus cylinder 2 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 greatly.
The difference of the structure of the structure of tightening device as shown in Figure 2 and tightening device shown in Figure 3 is to have saved second movable pulley and the 3rd fixed pulley, the similar of other structure and tightening device shown in Figure 3, therefore, give unnecessary details no longer in detail for the concrete structure of the tightening device that embodies principle shown in Figure 2 here.
As above describe, simple according to the tensioning device structure of the belt conveyer of the utility model embodiment, 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 embodiment of the present utility model, for the ordinary skill in the art, be appreciated that under the situation that does not break away from principle of the present utility model and spirit and can carry out multiple variation, modification, replacement and modification that scope of the present utility model is by claims and be equal to and limit to these embodiment.

Claims (9)

1, a kind of tightening device of belt conveyer is characterized in that, comprising:
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 described stationary base mount and lay respectively at the movable supporting frame both sides;
First movable pulley is installed on the aft end face of movable supporting frame to the described first movable pulley axis normal;
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 described movable supporting frame back; With
Rope, first end of rope link to each other with counterweight and second end of rope is walked around the first changed course pulley, first fixed pulley, first movable pulley, second fixed pulley and the second changed course pulley successively and link to each other with counterweight.
2, the tightening device of belt conveyer according to claim 1 is characterized in that, further comprises:
Second movable pulley is installed on the aft end face of movable supporting frame to the described second movable pulley axis normal; With
The 3rd fixed pulley, described the 3rd fixed pulley axis vertically be installed on the described stationary base mount, in described movable supporting frame back and between first and second fixed pulleys,
First end of wherein said rope links to each other with counterweight and second end of rope is walked around the first changed course pulley, first fixed pulley, first movable pulley, the 3rd fixed pulley, second movable pulley, second fixed pulley and the second changed course pulley successively and link to each other with counterweight.
3, the tightening device of belt conveyer according to claim 2 is characterized in that, described first and second movable pulleys laterally are arranged on the aft end face of movable supporting frame abreast.
4, the tightening device of belt conveyer according to claim 2 is characterized in that, described first and second movable pulleys and first to the 3rd fixed pulley are installed on the identical level height.
5, according to the tightening device of claim 2 or 3 described belt conveyers, it is characterized in that, further comprise 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 and second movable pulleys are installed in respectively on the described movable pulley erecting frame.
6, the tightening device of belt conveyer according to claim 5 is characterized in that, 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, the tightening device of belt conveyer according to claim 1 and 2 is characterized in that, described counterweight comprises:
Boatswain chair, first end of described rope links to each other with boatswain chair respectively with second end;
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.
8, the tightening device of belt conveyer according to claim 7, it is characterized in that, further comprise 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.
9, the tightening device of 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.
CNU2008200803490U 2008-04-30 2008-04-30 Tensioner device of belt conveyor Expired - Fee Related CN201190021Y (en)

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CNU2008200803490U CN201190021Y (en) 2008-04-30 2008-04-30 Tensioner device of belt conveyor

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Application Number Priority Date Filing Date Title
CNU2008200803490U CN201190021Y (en) 2008-04-30 2008-04-30 Tensioner device of belt conveyor

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CN201190021Y true CN201190021Y (en) 2009-02-04

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101570273B (en) * 2008-04-30 2011-04-13 中国恩菲工程技术有限公司 Tension device for belt conveyer
CN103964134A (en) * 2014-05-22 2014-08-06 成都海凌达机械有限公司 Regulating mechanism for stably regulating tension of carrier roller belt
CN103979268A (en) * 2014-05-22 2014-08-13 成都海凌达机械有限公司 Belt slack adjuster
CN104044866A (en) * 2014-06-17 2014-09-17 刘运启 Counterweight-type constant-tensile-force rubber belt tensioning device for coal mine underground belt conveyor
CN104692273A (en) * 2014-12-26 2015-06-10 华南农业大学 Tension adjusting device and method for steel wire ropes of bidirectional traction type rail transport machine
CN108861436A (en) * 2018-05-17 2018-11-23 中冶宝钢技术服务有限公司 Constant pressure type conveyor belt clearing apparatus
CN112027519A (en) * 2020-09-25 2020-12-04 徐州华东机械有限公司 Drum-type belt conveyor
CN113830497A (en) * 2021-10-14 2021-12-24 扬州龙鑫科技有限公司 Full-automatic hydraulic tensioning device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101570273B (en) * 2008-04-30 2011-04-13 中国恩菲工程技术有限公司 Tension device for belt conveyer
CN103964134A (en) * 2014-05-22 2014-08-06 成都海凌达机械有限公司 Regulating mechanism for stably regulating tension of carrier roller belt
CN103979268A (en) * 2014-05-22 2014-08-13 成都海凌达机械有限公司 Belt slack adjuster
CN104044866A (en) * 2014-06-17 2014-09-17 刘运启 Counterweight-type constant-tensile-force rubber belt tensioning device for coal mine underground belt conveyor
CN104692273A (en) * 2014-12-26 2015-06-10 华南农业大学 Tension adjusting device and method for steel wire ropes of bidirectional traction type rail transport machine
CN108861436A (en) * 2018-05-17 2018-11-23 中冶宝钢技术服务有限公司 Constant pressure type conveyor belt clearing apparatus
CN112027519A (en) * 2020-09-25 2020-12-04 徐州华东机械有限公司 Drum-type belt conveyor
CN112027519B (en) * 2020-09-25 2022-02-08 徐州华东机械有限公司 Drum-type belt conveyor
CN113830497A (en) * 2021-10-14 2021-12-24 扬州龙鑫科技有限公司 Full-automatic hydraulic tensioning device
CN113830497B (en) * 2021-10-14 2023-01-03 扬州龙鑫科技有限公司 Full-automatic hydraulic tensioning device

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