CN201678271U - Belt conveyor absorber idler - Google Patents
Belt conveyor absorber idler Download PDFInfo
- Publication number
- CN201678271U CN201678271U CN2010201988186U CN201020198818U CN201678271U CN 201678271 U CN201678271 U CN 201678271U CN 2010201988186 U CN2010201988186 U CN 2010201988186U CN 201020198818 U CN201020198818 U CN 201020198818U CN 201678271 U CN201678271 U CN 201678271U
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- roller
- idler
- rack
- idlers
- impact idler
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Abstract
The utility model provides a belt conveyor absorber idler, which comprises a seat, idler supports disposed on the seat and three single steel idlers connected between the idler supports. The three single steel idlers respectively are a middle idler, and two lateral idlers disposed on two sides of the middle idler, and the three single steel idlers are connected through hinges to form an arc form with the middle idler naturally drooping. When in use, a conveyor belt and the idlers generate elastic downward pressure under action of materials, and the belt conveyor absorber idler overcomes rigid impact, effectively protects the conveyor belt and the idlers, prolongs service life, reduces production cost, and is applicable to beginnings of belt conveyors having certain drop.
Description
Technical field
The utility model relates to band conveyor tool technical field, specifically, relates to a kind of belt feeder impact idler that is used for band conveyor.
Background technology
Band conveyor claims travelling apron again, be applicable to that ambient temperature-20 ℃ is to+40 ℃ of scopes, the temperature that is transferred material is below 50 ℃, carry the conveying environment of bulk density less than 1.67/ ton/cubic meter, be easy to draw the powdery of getting, granular, low chiseling property of the mill material and the bagged material of little bulk, as coal, rubble, sand, cement, chemical fertilizer, grain etc., it is big to have operational throughput, simple in structure, easy to maintenance, advantages such as part standard, therefore be widely used in the mine, the rubble field, metallurgical, building materials, chemical industry, ore dressing, the convey materials department of industries such as coal is used for carrying bulk material or member article.The captain of band conveyor and assembling form can require to determine that transmission can be used electric drum, the actuating device of also available band bogie according to customer requirements and delivery technology; Can separate unit carry, also can many form or form level or bevelled delivery system, to satisfy the operating line needs of different layout patterns with other load transfer devices.
Impact idler effect in the band conveyor is that support belt and weight of material, minimizing load-transfer device play buffer action with the friction force of carrying roller and the pressure that material is produced suddenly, impact idler is installed in the below of band conveyor material feeding section, in order to reducing the suffered impact of load-transfer device, the life-span that accounts for the load-transfer device of conveyer total cost more than 25% is played key role.In the prior art, impact idler is steel carrying roller coated outside one deck rubber normally, plays buffer action with rubber.Fig. 1 is the structural representation of a kind of impact idler commonly used in the prior art, as shown in Figure 1, impact idler is made up of base 1 and the rubber idler that is arranged on three pack supports on the base and be arranged on every pack support, support 4 in the middle of wherein the support 2 at two ends is higher than, so that three rubber idlers on the support can form circular arc according to the height design of support, wherein the middle idler roller position is minimum, and the carrying roller at two ends is tilted to, thereby is convenient to share the pressure of material on the carrying load-transfer device.But the rubber of this structure impact idler is worn easily under impacting and impacts badly, causes the service life of rubber idler short, can cause changing repeatedly rubber idler, and the frequency of maintenance height increases maintenance of equipment and use cost.
Therefore, a kind of wear intensity that can reduce impact idler need be provided, improve the later-model belt feeder impact idler of the anti-impact force of impact idler, prolong the service life of belt feeder impact idler, reduce the productive costs of belt feeder impact idler.
The utility model content
For addressing the above problem, the utility model provides a kind of belt feeder impact idler, comprise base, be arranged on the roller rack on the described base and be connected three single steel carrying rollers between the roller rack, described three single steel carrying rollers are respectively middle idler roller and are arranged on the side roller of middle idler roller both sides, wherein, be connected through the hinge between described three single steel carrying rollers, form the sagging naturally circular arc of middle idler roller.
In addition, preferred construction is to be provided with the depression of a channel-section steel thickness in the crossbeam middle part of described base.
In addition, preferred construction is that described roller rack is fixed on the described base by gusset and the bearing pin that is welded on described base two ends respectively.
In addition, preferred construction is that this impact idler also comprises:
The recoil spring group is separately positioned on the upper outside of described gusset;
Described recoil spring group links to each other with described roller rack by adjustable bolt.
Moreover, preferred construction is, the roller carrier shaft of side roller is provided with the screw thread screw thread, be provided with and the corresponding through hole of the roller carrier shaft of described side roller in the upper end of described roller rack, described side roller is described to be provided with the roller carrier shaft of screw thread screw thread, the through hole and the nut of roller rack upper end is connected with roller rack.
The utility model adopts the belt feeder impact idler of spring three sprocket wheels, its principal feature is that an end pin joint of the two ends of middle idler roller and two side rollers is on the energy disperser that is provided with, carrier roller frame is propped up by crossbeam and crossbeam two ends pivotally attached side roller and is configured to, and is connected through hinge between an end of two side rollers and the adjacent side roller support.Taked belt feeder impact idler of the present utility model; during use under the effect of material; load-transfer device and each carrying roller elasticity press down; overcome rigid impact; load-transfer device and each carrying roller have effectively been protected; prolonged service life, reduced productive costs, this carrying roller is applicable to the top of the band conveyor of drop.
Description of drawings
By below in conjunction with accompanying drawing embodiment being described, above-mentioned feature of the present utility model and technological merit will become apparent and understand easily.
Fig. 1 is the structural representation of impact idler in the prior art;
Fig. 2 represents the structural representation of the utility model impact idler.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done further detailed description.
Fig. 2 represents the structural representation of the utility model impact idler.As shown in Figure 2, the belt feeder impact idler that the utility model provides comprises base 1, be arranged on the roller rack 3 on the base 1 and be connected three single steel carrying rollers 5 between the roller rack, wherein, three single steel carrying rollers are to connect by hinge 4 between middle idler roller and two side rollers, captive joint between side roller and the roller rack 3 forms the sagging naturally circular arc of middle idler roller.In this specific embodiment, side roller is connected with roller rack 3 by the roller carrier shaft that is provided with the screw thread screw thread, the upper end of roller rack 3 is provided with and the corresponding through hole that the roller carrier shaft that is provided with the screw thread screw thread is passed of the roller carrier shaft of side roller, like this, side roller and roller rack just are fixed together by roller carrier shaft, through hole and nut 6.In addition, be provided with the depression of a channel-section steel thickness in the crossbeam middle part of base 1, with increase carrying roller especially in the middle of the collision buffering control of carrying roller, thereby when the impact that the load-transfer device of band conveyor is subjected to becoming big suddenly, prevent that the carrying roller on-line equipment is to base.
In a preferred embodiment of the present utility model, roller rack 3 is fixed on the base by gusset and bearing pin.As shown in Figure 2, two gussets 8 are welded on the two ends of base 1 respectively, are drilled with through hole below the gusset 8, are used for by the fixing roller rack 3 of bearing pin 9.
In addition, belt feeder impact idler of the present utility model comprises also and is used to regulate the recoil spring group 2 that impact idler bears the cushion effect size that recoil spring group 2 is separately positioned on the upper outside of two gussets 8.Recoil spring group 2 links to each other with roller rack 3 by adjustable bolt 7, the screw thread of adjustable bolt 7 is limited in the distance that guarantees the spring effective tension, screw thread can suitably extend, can control degree of fiting between roller rack 3 and the gusset 8 by adjustable bolt 7, thereby realize adjusting roller rack 3 cushion effect sizes.Concrete, when adjustable bolt 7 inwardly rotate, when compress recoil spring group 2, roller rack 3 is strengthened with the degree of fiting on gusset 8 tops, the correspondingly cushion effect of roller rack 3 enhancing; Otherwise, when adjustable bolt 7 to inner rotary, when loosening recoil spring group 2, roller rack 3 weakens with the degree of fiting on gusset 8 tops, correspondingly the cushion effect of roller rack 3 reduces.The setting of the utility model recoil spring group makes band conveyor can adjust the cushion effect of impact idler according to the weight of institute's convey materials easily in application process, thereby protection load-transfer device and carrying roller increase the service life.
In the utility model, three single steel carrying rollers 5 couple together roller carrier shaft by hinge 4, make three single steel carrying rollers form one three chain wheel set, compare with prior art in use the carrying roller of stent support respectively, this three chain wheel set idler structures of the present utility model can provide better cushion effect.
The utility model makes the process that produces buffer action as follows concrete the application: after material is fallen on the belt conveyor, belt conveyor receives that the effect of the impulsive force of the gravity of material and whereabouts produces downward pressure, this pressure all is applied on the impact idler, after impact idler is under pressure, the three chain wheel set carrying rollers and the roller rack that are connected through the hinge together make the recoil spring group stressed, just play the effect of the pressure of buffering belt conveyor this moment.
The utility model making and installation process are as follows:
1, the dented channel-section steel thickness of base 1 crossbeam centre portion prevents that impact from becoming big suddenly, and carrying roller directly strikes on the base;
2, respectively weld two gussets 8 at base 1 two ends, gusset 8 tops are used for supporting recoil spring group 2, and gusset 8 bottoms drill through the hole, fix roller rack 3 with bearing pin 9;
3, be connected the recoil spring group by adjustable bolt 7 with roller rack 3, the adjustable bolt screw thread is limited in spring in the effective tension distance with assurance; Screw thread wherein can suitably extend, and can realize adjusting to the cushion effect size by adjustable bolt 7;
4, three single steel carrying rollers, 5 usefulness hinges 4 are coupled together roller carrier shaft, make 3 carrying rollers become one three chain wheel set, the both sides roller carrier shaft of two side rollers is chosen the M20*100 screw thread.
5, three chain wheel set that assemble, be fixed on the roller rack 3 with nut 6.
Need to prove, in the superincumbent description, only the mode by explanation is described some one exemplary embodiment of the present utility model, undoubtedly, those of ordinary skill in the art can recognize, under the situation that does not depart from spirit and scope of the present utility model, can revise described embodiment with various mode.Such as, adopt other to be fixed on the roller rack as the roller carrier shaft of the fixing mode of bearing pin with impact idler, adopt that perhaps modes such as graftings, bolted connection are fixed roller rack and gusset etc.Therefore, accompanying drawing and be described in just illustratively in essence rather than is used to limit the protection domain of claim.
Under above-mentioned instruction of the present utility model; those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description; and these improvement and distortion; all drop in the protection domain of the present utility model; those skilled in the art should be understood that; above-mentioned specific descriptions are just better explained the purpose of this utility model, and protection domain of the present utility model is limited by claim and equivalent thereof.
Claims (5)
1. belt feeder impact idler, comprise base (1), be arranged on the roller rack (3) on the described base (1) and be connected three single steel carrying rollers (5) between the roller rack, described three single steel carrying rollers (5) are respectively middle idler roller and are arranged on the side roller of middle idler roller both sides, it is characterized in that
Connect by hinge (4) between described three single steel carrying rollers (5), form the sagging naturally circular arc of middle idler roller.
2. according to the described impact idler of claim 1, it is characterized in that,
Be provided with the depression of a channel-section steel thickness in the crossbeam middle part of described base (1).
3. according to the described impact idler of claim 2, it is characterized in that,
Described roller rack (3) is fixed on the described base (1) by gusset (8) and the bearing pin (9) that is welded on described base (1) two ends respectively.
4. according to the described impact idler of claim 3, it is characterized in that this impact idler also comprises:
Recoil spring group (2) is separately positioned on the upper outside of described gusset (8);
Described recoil spring group (2) links to each other with described roller rack (3) by adjustable bolt (7).
5. according to the described impact idler of claim 4, it is characterized in that,
The roller carrier shaft of described side roller is provided with the screw thread screw thread, be provided with and the corresponding through hole of the roller carrier shaft of described side roller in the upper end of described roller rack (3), described side roller is described to be provided with the roller carrier shaft of screw thread screw thread, the through hole and the nut (6) of roller rack (3) upper end is connected with roller rack (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201988186U CN201678271U (en) | 2010-05-21 | 2010-05-21 | Belt conveyor absorber idler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201988186U CN201678271U (en) | 2010-05-21 | 2010-05-21 | Belt conveyor absorber idler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201678271U true CN201678271U (en) | 2010-12-22 |
Family
ID=43343325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201988186U Expired - Lifetime CN201678271U (en) | 2010-05-21 | 2010-05-21 | Belt conveyor absorber idler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201678271U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950169A (en) * | 2012-11-19 | 2013-03-06 | 无锡九条龙汽车设备有限公司 | Pushing bracket for slitting cutter |
| CN106429180A (en) * | 2016-08-29 | 2017-02-22 | 大唐清苑热电有限公司 | Spring-plate type five-carrier-roller group |
| CN108263873A (en) * | 2017-12-28 | 2018-07-10 | 中国神华能源股份有限公司 | Bucket unloader |
-
2010
- 2010-05-21 CN CN2010201988186U patent/CN201678271U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950169A (en) * | 2012-11-19 | 2013-03-06 | 无锡九条龙汽车设备有限公司 | Pushing bracket for slitting cutter |
| CN106429180A (en) * | 2016-08-29 | 2017-02-22 | 大唐清苑热电有限公司 | Spring-plate type five-carrier-roller group |
| CN108263873A (en) * | 2017-12-28 | 2018-07-10 | 中国神华能源股份有限公司 | Bucket unloader |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101222 |
|
| CX01 | Expiry of patent term |