CN206172406U - Grit conveying machine - Google Patents

Abstract

The utility model provides a grit conveying machine, includes support frame, conveyer belt and driving roller, and the driving roller setting is on the support frame, and conveyer belt and transfer roller rotate to be connected, and the below of support frame is equipped with closing device, compressing roller and pouring weight, the top of support is rotated and is connected the compressing roller, and the pouring weight is placed on the support, and the support passes through lifting unit and fixed connection is realized to the support frame. Increase closing device and be used for adjusting the distance between conveyer belt and the driving roller, reduce and avoid the phenomenon that the emergence was skidded between conveyer belt and the driving roller even.

Description

Sandstone conveyer

Technical field

This utility model is related to transmission equipment field, more particularly to sandstone conveyer.

Background technology

At present, in the material-transporting system of concrete mixing plant, often aggregate can be pressed by way of conveyer belt conveying Ratio is conveyed into blender and is stirred.The advantage conveyed using conveyer belt is that fed distance big, efficiency high, fault rate are low, this Effectively shorten the execution cycle of engineering.

Because conveyer belt has certain elasticity, need to be carried out when installing presetting, adjust it and live-roller between Distance, it is ensured that there is no skidding to the friction that rotates in itself and live-roller, but the transmission of large-scale sandstone conveyer With long, presetting difficulty than larger；When using in the later stage, when conveyer belt occurs lax, people is needed to climb Adjustment, is susceptible to danger.

Utility model content

The purpose of this utility model is to provide a kind of sandstone conveyer, and increasing hold down gag is used to adjust conveyer belt and biography The distance between dynamic roller, reduces the phenomenon for even avoiding occurring to skid between conveyer belt and live-roller.

Above-mentioned purpose of the present utility model technical scheme is that：A kind of sandstone conveyer, including Bracing frame, conveyer belt and live-roller, live-roller is arranged on the upper of bracing frame, and conveyer belt and transfer roller rotate connection, bracing frame Lower section be provided with hold down gag, hold-down roller and pouring weight, the top of support rotates connection hold-down roller, and pouring weight is placed on support, Support is achieved a fixed connection by lifting assembly and bracing frame.

By adopting above-mentioned technical proposal, hold down gag it is used to that the distance between conveyer belt and live-roller and tensioning will to be tightened up Power, hold-down roller and holder pivots connect, and conveyer belt is passed through between hold-down roller and support, and pouring weight is placed on support, and conveyer belt exists Move downward in the presence of hold-down roller and pouring weight, adjust the gap between live-roller and conveyer belt so that conveyer belt and live-roller Between rotate friction.

Preferably, lifting assembly includes connecting rod, and connecting rod is threadedly coupled respectively with bracing frame and support.

By adopting above-mentioned technical proposal, in order to ensure that hold down gag is moved in vertical direction in same level, By arranging lifting assembly in bracing frame and support screw thread, lifting assembly includes connecting rod, connecting rod respectively with bracing frame and Frame is threadedly coupled.Support carries out the regulation on vertical direction along connecting rod.

Preferably, a pair of help rolls are additionally provided with bracing frame, help roll is arranged on bracing frame, and the two of hold-down roller respectively Side.

By adopting above-mentioned technical proposal, conveyer belt is from the live-roller of bracing frame to hold-down roller and then on bracing frame Another live-roller, under this connected mode, conveyer belt easily rubs with bracing frame, causes the damage of conveyer belt, because This arranges help roll, and help roll respectively positioned at the both sides of hold-down roller on bracing frame, and like this, conveyer belt is from bracing frame Before getting off, first rotate and connect with help roll, then rotate with hold-down roller and connect, then connection is rotated with another help roll, most Return to afterwards on the live-roller of bracing frame.Solve the problems, such as that conveyer belt and bracing frame contact with each other, while so that hold down gag office Portion compresses conveyer belt, it is not necessary to control the conveyer belt below whole bracing frame.

Preferably, bracing frame is provided with some points of support components along conveyer belt direction, and a point support component includes a pair of carrying rollers, Supporting plate is fixed between bracing frame transverse ends, carrying roller is located between bracing frame and supporting plate, and rotates and connect with both.

All it is made up of elastomeric material mostly by adopting above-mentioned technical proposal, the conveyer belt that sandstone conveyer is used, this The conveyer belt of sample will not be missed because of material cause when sandstone is transported from transmission belt surface.But Rubber Conveyor Belt Scrap is deposited When with certain elasticity, causing sandstone to prevent its surface, it may occur that cave in, in order to avoid conveyer belt transport when Wait generation rollover or inclining causes sandstone to drop, a component is held in the palm in the setting point on bracing frame, a point support component includes a pair of carrying rollers, support Roller is played and supports conveyer belt and the conveyer belt in load to rotate connection.Carrying roller and bracing frame and in the middle of bracing frame Connection is rotated between supporting plate.

Preferably, the height of supporting plate vertical direction is less than the height of the transverse ends of bracing frame, and two carrying rollers constitute V words Shape.

By adopting above-mentioned technical proposal, because conveyer belt caves inward from both sides, therefore carrying roller arrange when, also need Cave inward setting, therefore two carrying rollers are arranged into V-shaped.

Preferably, supporting plate is provided with rubber sheet gasket towards the one side of carrying roller.

By adopting above-mentioned technical proposal, after breaking down in order to avoid carrying roller, in order to avoid carrying roller and supporting plate because Rub when rotation, cause carrying roller and supporting plate abrasion, therefore rubber sheet gasket is set on supporting plate.Rubber sheet gasket rises To the effect of buffering.

Preferably, bracing frame is provided with hinge bar, hinge bar and supporting framework triangularity.

It is used for and supporting framework triangularity by adopting above-mentioned technical proposal, hinge bar, lifts the stability of bracing frame.

Preferably, it is covered with rain cover on bracing frame.

It is brought in agitator tank to prevent rainwater from falling on conveyer belt, makes by adopts above-mentioned technical proposal, rain cover Increase into the water in agitator tank, batch mixing is excessively dilute.

Preferably, bracing frame is provided with the cleaning device for cleaning conveyer belt.

By adopting above-mentioned technical proposal, due to when sandstone is transported, Remaining debris on conveyer belt, follow-up blanking When, chip above causes the damage to conveyer belt in the presence of weight.Cleaning device is exactly to solve the phenomenon Generation, while being also used for preventing being attached to its surface after conveyer belt surface mud is solid.

In sum, this utility model has the advantages that：Hold down gag is adjusted between conveyer belt and live-roller Gap and friction, improve the conevying efficiency of sandstone conveyer.

Description of the drawings

Fig. 1 is the structural representation of embodiment one；

Fig. 2 is the partial schematic diagram of Fig. 1；

Fig. 3 is the schematic cross-section of sandstone conveyer；

Fig. 4 is the enlarged drawing of A in Fig. 3；

Fig. 5 is the schematic cross-section of supporting plate；

Fig. 6 is the structural representation of embodiment two.

Reference：1st, bracing frame；2nd, conveyer belt；3rd, live-roller；4th, hold down gag；41st, support；42nd, hold-down roller；43、 Pouring weight；44th, hydraulic cylinder；5th, lifting assembly；51st, connecting rod；6th, help roll；7th, support component is divided；71st, carrying roller；72nd, supporting plate；8、 Rubber sheet gasket；9th, hinge bar；10th, rain cover；11st, cleaning device.

Specific embodiment

This utility model is described in further detail below in conjunction with accompanying drawing.

Embodiment one

As shown in figure 1, a kind of sandstone conveyer, rain cover 10 and bracing frame 1, rain cover 10 is arranged on the top of bracing frame 1, For blocking the top of bracing frame 1.

As illustrated in fig. 1 and 2, sandstone conveyer also includes a pair of live-rollers 3 and 2 turns of conveyer belt 2, live-roller 3 and conveyer belt Dynamic connection, live-roller 3 and bracing frame 1 rotate connection, and other point of live-roller 3 is arranged on the two ends of bracing frame 1.Conveyer belt 2 and transmission Tightness between roller 3 determines the efficiency that live-roller 3 works, and too loose between conveyer belt 2 and live-roller 3, conveyer belt 2 is relative There is " skidding " phenomenon in live-roller 3, affect the transmission efficiency of live-roller 3.

As shown in figs. 1 and 3, hold down gag 4 is provided with the lower section of bracing frame 1, hold down gag 4 is used to adjust conveyer belt 2 Tightness.Hold down gag 4 includes support 41, hold-down roller 42 and pouring weight 43, and hold-down roller 42 and support 41 rotate connection, weight Block 43 is placed on support 41, and the hold-down roller 42 of support 41 is drop-down by conveyer belt 2 under the drive of the deadweight of pouring weight 43 so that Become placed against between conveyer belt 2 and live-roller 3, increase both frictional force so that conveyer belt 2 can only can only occur with live-roller 3 Rolling friction and do not occur skid phenomenon.

A pair of help rolls 6 are set on the bracing frame 1 above the both sides of hold-down roller 42, and conveyer belt 2 is first rotated and connected with help roll 6 Connect, then rotate with hold-down roller 42 and connect, then connection is rotated with another help roll 6, eventually pass back to the live-roller 3 of bracing frame 1 On.Lifting assembly 5 includes screw mandrel, and support 41 is fixedly connected respectively with bracing frame 1 with screw mandrel.

The one end of bracing frame 1 extends to the surface of agitator tank, and one end is used to receive sandstone, and sandstone is transported from the one end of bracing frame 1 It is defeated to the other end of bracing frame 1, finally drop in agitator tank.

Retracting device is mounted with the low one end of the vertical direction of conveyer belt 2.Retracting device includes a pair of arcs and receipts Storage, arc is separately positioned on the transverse ends of bracing frame 1, and arc is located at the top of conveyer belt 2 and arranges.And arc Indent the one end for receiving sandstone facing to conveyer belt 2, the one side of arc projection arranges reinforcement, reinforcement and Support 1 is screwed.An arc part is arranged on conveyor belt 2, and a part is located at outside conveyer belt 2.And in arc Rubber strip is fixed with one end of the contact of conveyer belt 2.Catcher is located at the underface of arc, and catcher includes catch tray, reclaims Catch tray and collecting box are fixed respectively in pipe and collecting box, the two ends of recovery tube.

As shown in Fig. 1,2 and 4, in the high one end of the vertical direction of conveyer belt 2 protective cover, protective cover and propping up at this are provided with Support 1 is hinged.Protective cover includes cover body, and cover body is used to block the conveyer belt 2 positioned at the lower section of bracing frame 1, and conveyer belt 2 is being transported After sandstone, initial position is returned to from peak, conveyer belt 2 when sandstone is thrown in, can splash through the top of agitator tank Mud is played, mud is splashed on conveyer belt 2, protective cover is used to reduce the area that conveyer belt 2 is splashed to mud.Cover body longitudinal direction One end and bracing frame 1 are hinged, and its transverse ends is extended with journal stirrup, and straight trough mouth is opened up on journal stirrup, and protective cover is by straight trough mouth and props up Support 1 interfixes so that protective cover is located at the lower section of conveyer belt 2, and parallel with conveyer belt 2.

Towards one end indent of conveyer belt 2, its another side evagination is that downward arch is arranged to the cover body of protective cover.

The transverse end of protective cover opens up accommodating groove, placed pull bar in accommodating groove, one end of pull bar and protective cover it is horizontal End is hinged, and holds pull bar and is easy to control the rotation of protective cover, is easy to the connection of protective cover and bracing frame 1.

Protective cover can avoid the mud of most of sputtering from being splashed on conveyer belt 2, because feeding needs, positioned at agitator tank Protective cover is not provided with the live-roller 3 of top, therefore, easily sputtered by mud at this.Simultaneously conveyer belt 2 is in sand transportation When stone, conveyer belt 2 itself can also carry certain broken sandstone bits.Under its protective cover cleaning is set on square bracing frame 1 Device 11, cleaning device 11 is used to clear up mud and stone fragment on conveyer belt 2.

As shown in figs. 1 and 3, cleaning device 11 includes bristle roller, sparge pipe, and sparge pipe is used to be sprayed water to conveyer belt 2, bristle Roller and bracing frame 1 are slidably connected, and bristle roller and conveyer belt 2 are contacted, and its bristle is used for the transmission that cleaning is sprayed water by sparge pipe Band 2.In order to as cause the width sprayed water consistent with the lateral cross section width of conveyer belt 2 as possible, therefore the width of the injection of sparge pipe It is identical with the cross-sectional length of its conveyer belt 2.

The water column that sparge pipe sprays is applied on conveyer belt 2, and conveyer belt 2 is made by having resilient elastomeric material, therefore The impulsive force of water column can be buffered, causing the solid mud block of conveyer belt 2 can not be fallen or soft by impact, cause bristle roller Solid mud block can not be removed.Therefore, conveyer belt 2 reverse side arrange compression assemblies, compression assemblies be used for will and water column The downward local compaction of conveyer belt 2 of impact so that the impact dynamics of water column will not be weakened, strengthens the cleaning effect of sparge pipe Rate.Compression assemblies include compression roller and U-bracket 41, and U-bracket 41 and compression roller realize both phase intermodulation by adjusting part Section.Adjusting part includes sliding panel and screw rod, and the two ends of U-bracket 41 open up respectively chute, and sliding panel and slide connect, Compression roller and sliding panel rotate connection, and the tail end of sliding shoe is fixedly connected with screw rod, screw rod through U-bracket 41 tail end, two Person is interfixed by nut.Wash-up tray is also provided with bracing frame 1 in this place, wash-up tray is used to collect the sewage for being used And chip, wash-up tray is fixed in support, and be arranged in parallel with conveyer belt 2, and its two ends is also to be obliquely installed, its vertical height compared with Low one end connection downcomer, the higher one end of its vertical height arranges water pipe to be used to for chip to sweep away wash-up tray along downcomer Flow down.

During transport, its surface carries sandstone to conveyer belt 2, and the length of bracing frame 1 itself is very long, while conveyer belt 2 with elasticity, therefore load conveyer belt 2 cave inward.Therefore several carrying rollers 71, carrying roller 71 are set on bracing frame 1 For supporting conveyer belt 2, and relatively rotate with conveyer belt 2.Carrying roller 71 is all arranged in pairs, horizontal the two of bracing frame 1 Position between end arranges supporting plate 72, and carrying roller 71, carrying roller 71 and both rotation connections are arranged between supporting plate 72 and bracing frame 1.Support Rubber sheet gasket 8 is set on plate 72, and rubber sheet gasket 8 is used to prevent carrying roller 71 and supporting plate 72 from wearing and tearing.

As shown in figure 4, the stability in order to improve bracing frame 1, hinge bar 9 is set on bracing frame 1, hinge bar 9 and Support 1 is triangle, improves and supports the stability for adding.

Embodiment two

As shown in fig. 6, be exactly with the difference in embodiment one, lifting assembly 5 is hydraulic cylinder 44, the work of hydraulic cylinder 44 Stopper rod is fixedly connected with the bottom of support 41, and by hydraulic cylinder 44 compression degree of the hold down gag 4 to conveyer belt 2 is controlled.Can To replace pouring weight 43 and connecting rod 51.

This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model Field technique personnel can make as needed the modification without creative contribution after this specification is read to the present embodiment, but As long as all being protected by Patent Law in right of the present utility model.

Claims (9)

1. a kind of sandstone conveyer, including bracing frame（1）, conveyer belt（2）And live-roller（3）, the live-roller（3）It is arranged on Bracing frame（1）Upper, conveyer belt（2）And live-roller（3）Connection is rotated, be it is characterized in that：Support frame as described above（1）Lower section be provided with pressure Tight device（4）, the hold down gag（4）Including support（41）, hold-down roller（42）And pouring weight（43）, support（41）Top turn Dynamic connection hold-down roller（42）, pouring weight（43）It is placed on support（41）On, support（41）By lifting assembly（5）And bracing frame（1） Achieve a fixed connection.

2. sandstone conveyer according to claim 1, is characterized in that：The lifting assembly（5）Including connecting rod（51）, institute State connecting rod（51）Respectively and bracing frame（1）And support（41）Threaded connection.

3. sandstone conveyer according to claim 1, is characterized in that：Support frame as described above（1）On be additionally provided with a pair of help rolls （6）, the help roll（6）It is arranged on bracing frame（1）On, and hold-down roller respectively（42）Both sides.

4. sandstone conveyer according to claim 1, is characterized in that：Support frame as described above（1）Along conveyer belt（2）The direction of motion It is provided with some points of support components（7）, described point of support component（7）Including a pair of carrying rollers（71）, support frame as described above（1）Transverse ends it Between be fixed with supporting plate（72）, the carrying roller（71）Positioned at bracing frame（1）And supporting plate（72）Between, and rotate and connect with both.

5. sandstone conveyer according to claim 4, is characterized in that：The supporting plate（72）The height of vertical direction is less than and props up Support（1）Transverse ends height, two carrying rollers（71）Constitute V-shaped.

6. sandstone conveyer according to claim 5, is characterized in that：The supporting plate（72）Towards carrying roller（71）One side set There is rubber sheet gasket（8）.

7. sandstone conveyer according to claim 1, is characterized in that：Bracing frame（1）It is provided with hinge bar（9）, the hinge Extension bar（9）And bracing frame（1）It is triangle.

8. sandstone conveyer according to claim 7, is characterized in that：Support frame as described above（1）On be covered with rain cover（10）.

9. sandstone conveyer according to claim 8, is characterized in that：Support frame as described above（1）It is provided with for cleaning conveyer belt （2）Cleaning device（11）.