CN212493328U

CN212493328U - Straw crushing device

Info

Publication number: CN212493328U
Application number: CN202020899243.4U
Authority: CN
Inventors: 陈友信
Original assignee: Anhui Shunchen Agricultural Machinery Co ltd
Current assignee: Anhui Shunchen Agricultural Machinery Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-02-09
Anticipated expiration: 2030-05-22

Abstract

The utility model discloses a straw breaker, the load simulator comprises a case, machine incasement chamber's front end is the equipment chamber, machine incasement chamber's rear end is broken chamber, the inner chamber symmetry in equipment chamber is provided with first motor and second motor, the utility model relates to a biomass power generation technical field. This straw breaker, through using two conveyer belt cooperation ejection of compact, the conveyer belt can not appear buckling, need not use the clamp plate to compress tightly the belt, thereby avoided the straw to block up at the bend and lead to unable ejection of compact, make the ejection of compact more smooth and easy, set up two crushing roller symmetries, the whole length of equipment has been shortened, the area of equipment has been reduced, set up two support rings on connecing the flitch, avoid the straw bundle directly to drop on the crushing roller card die with the contact that the crushing roller produced the certain degree simultaneously making the straw bundle, guarantee can not block under the condition that two crushing rollers set up side by side, the stability of equipment has been improved, the crushing efficiency is improved.

Description

Straw crushing device

Technical Field

The utility model relates to a biomass power generation technical field specifically is a straw breaker.

Background

The biomass power generation is power generation by using biomass energy of biomass, is one of renewable energy power generation, and comprises direct combustion power generation of agricultural and forestry waste, gasification power generation of agricultural and forestry waste, waste incineration power generation, landfill gas power generation and methane power generation.

The biomass power generation mainly comprises crop straw incineration power generation, and the straws are small in density, large in size and inconvenient to transport and use, so that the straws need to be pretreated for full combustion, and the main treatment means is crushing.

The straw crushing needs to use a crusher, as shown in fig. 1 and fig. 2, some existing straw crushers generally adopt double-roller crushing, in order to prevent a straw bundle from directly falling to a crushing roller to block the crushing roller, so that a motor is blocked, two parallel crushing rollers are generally staggered, the end parts of the two parallel crushing rollers are staggered, the problem that the straw bundle directly blocks the two crushing rollers is avoided, and direct discharging is generally adopted, namely a conveyor belt extending to the outside is arranged in a crushing bin to discharge, but the conveyor belt bends at the edge position of the crusher, a pressing plate pressing belt is needed to be used to tightly attach the roller shaft, so that the straw is easily blocked at the bending part, normal discharging is influenced, the length of equipment is too long, the occupied area is large, and the height of a crushing shaft of the existing crusher is fixed, so that the contact area with the straw is fixed, and the crushing requirements of different types of straw cannot be met, the situation that the crushing cannot be sufficiently performed easily occurs.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a straw breaker has solved current straw breaker and has generally staggered two crushing rollers side by side each other, and the tip is crisscross each other, and the conveyer belt can produce at breaker border position and buckle, need use the clamp plate to compress tightly the belt, makes it paste tight roller, leads to the straw to block up at the bend easily, influences normal ejection of compact to can cause equipment length overlength, the great problem of area.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a straw crushing device comprises a case, wherein the front end of the inner cavity of the case is an equipment cavity, the rear end of the inner cavity of the case is a crushing cavity, a first motor and a second motor are symmetrically arranged in the inner cavity of the equipment cavity, a first transmission shaft and a second transmission shaft are respectively and fixedly connected to output shafts of the first motor and the second motor, a first crushing shaft transversely arranged is fixedly connected to the rear end of the first transmission shaft, a second crushing shaft mutually symmetrical to the first crushing shaft is fixedly connected to the rear end of the second transmission shaft, the first crushing shaft and the second crushing shaft are both positioned in the crushing cavity, the first crushing shaft and the second crushing shaft are positioned at the same horizontal height, two ends of the first crushing shaft and two ends of the second crushing shaft are respectively and correspondingly positioned in the same plane, a material receiving plate is horizontally arranged in the inner cavity of the crushing cavity, the top of the material receiving plate is vertically and fixedly connected with a telescopic rod, the top end of the telescopic rod is fixedly connected with the top of the inner wall of the crushing cavity, a first through groove matched with the first crushing shaft and a second through groove matched with the second crushing shaft are symmetrically formed in two sides of the surface of the material receiving plate, a first supporting ring is arranged above the first through groove, a second supporting ring is arranged above the second through groove, the first supporting ring and the second supporting ring are staggered, a cutter is arranged between the first through groove and the second through groove and on the upper surface of the material receiving plate, a feeding hopper is arranged above the outer part of the crushing cavity, the bottom end of the feeding hopper penetrates through the top of the crushing cavity and extends into the inner part of the crushing cavity, the bottom end of the feeding hopper is arranged above the material receiving plate, and a first conveying belt is horizontally arranged at the bottom of the inner wall of the crushing cavity, the rear end of the first conveyor belt extends to the outside of the crushing cavity, a second conveyor belt is arranged at the rear end of the box body, and the front end of the second conveyor belt is located below the outer end of the first conveyor belt.

Furthermore, a fixing ring is arranged on the outer ring surface of the feeding hopper, a supporting plate is vertically arranged at the top of the crushing cavity, supporting wheels capable of rotating in a vertical plane are arranged on the side wall surface of the supporting plate, and the upper edges of the supporting wheels are in contact with the lower surface of the fixing ring.

Further, be provided with a third motor in the equipment chamber, fixedly connected with action wheel that a level set up on the output shaft of third motor, the action wheel with gu fixed ring passes through transmission chain drive and is connected.

Furthermore, the bottom of the inner wall of the feed hopper is transversely provided with a material poking rod.

Furthermore, an upper cover is arranged at the top of the equipment cavity, and supporting legs are arranged at the bottom of the box body.

Further, the bottom of the second conveyor belt is provided with universal wheels.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this straw breaker, through setting up second grade ejection of compact structure, use two conveyer belt cooperation ejection of compact, the conveyer belt can not appear buckling, need not use the clamp plate to compress tightly the belt, thereby avoided the straw to block up at the bend and lead to unable ejection of compact, make the ejection of compact more smooth and easy, set up two crushing roller symmetries, the whole length of equipment has been shortened, the area of equipment has been reduced, set up two support rings on connecing the flitch, when the straw bundle falls down, support the straw bundle, make the straw bundle can produce the contact of certain degree with the crushing roller and avoid the straw bundle directly to drop and die the crushing roller card on the crushing roller simultaneously, guarantee can not block under the condition that two crushing rollers set up side by side, the stability of equipment is improved, the crushing efficiency is improved.

(2) This straw breaker, through setting up the flitch that connects that can go up and down, can change the height that connects the flitch to the top of adjustment crushing roller stretches out to the height that connects the flitch top, can select different height according to the straw of difference, makes equipment can broken various straws, avoids crushing roller stretch out the volume and leads to excessively hanging the straw to carry out the breakage, has enlarged the application range of equipment, and the practicality is stronger, can guarantee the crushing efficiency to different straws.

(3) This straw breaker, through setting up the liftable connect the flitch, the control telescopic link is flexible, the adjustment connects the height of flitch, thereby adjust first broken axle and the broken axle of second and stretch out to the height that connects the flitch top, thereby the area of contact that adjustment dogtooth and straw were tied, make the dogtooth can be abundant with the straw contact pull the straw down and carry out the breakage, and can not drag too much straw and lead to broken inadequately, can satisfy the broken demand of different kind straw, application scope is wider, the practicality is stronger.

Drawings

FIG. 1 is a schematic structural diagram of the background art of the present invention;

FIG. 2 is a schematic structural diagram of the background art of the present invention;

FIG. 3 is a schematic structural view of the present invention;

fig. 4 is a schematic structural view of the case and the material receiving plate of the present invention;

fig. 5 is a plan view of the first crushing roller and the second crushing roller according to the present invention.

In the figure: 1-case, 2-equipment cavity, 3-crushing cavity, 4-first motor, 5-second motor, 6-first transmission shaft, 7-second transmission shaft, 8-first crushing shaft, 9-second crushing shaft, 10-material receiving plate, 11-first through groove, 12-second through groove, 13-first support ring, 14-second support ring, 15-telescopic rod, 16-cutter, 17-feed hopper, 18-first conveyor belt, 19-second conveyor belt, 20-universal wheel, 21-third motor, 22-driving wheel, 23-fixing ring, 24-transmission chain, 25-support plate, 26-support wheel, 27-upper cover, 28-support leg and 29-material shifting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 3-5, the present invention provides a technical solution: the utility model provides a straw crushing device, including a quick-witted case 1, the front end of 1 inner chamber of machine case is equipment chamber 2, the rear end of 1 inner chamber of machine case is broken chamber 3, the inner chamber symmetry of equipment chamber 2 is provided with first motor 4 and second motor 5, do not fixedly connected with first transmission shaft 6 and second transmission shaft 7 on the output shaft of first motor 4 and second motor 5, the rear end fixedly connected with of first transmission shaft 6 transversely sets up first broken axle 8, the rear end fixedly connected with of second transmission shaft 7 and the broken axle 9 of the mutual symmetry of first broken axle 8, first broken axle 8 and the broken axle 9 of second all are located broken chamber 3, first broken axle 8 and the broken axle 9 of second are in same level, the both ends of first broken axle 8 correspond respectively with the both ends of the broken axle 9 of second and are in the coplanar.

First broken axle 8 and the broken axle 9 specification of second, size are the same, and mutual symmetry sets up side by side, and 4 work of first motor drive first broken axle 8 and rotate, and the electronic 5 work of second drive the broken axle 9 of second and rotate, and the surface of first broken axle 8 and the broken axle 9 of second all is provided with a plurality of dogtooths, drags the straw and rotates and carry out the breakage.

First broken axle 8 and the symmetrical parallel arrangement of second broken axle 9 for the total length of first broken axle 8 and second broken axle 9 is only the length of a broken axle, has shortened the size of equipment, has reduced the area of equipment.

The inner chamber level in broken chamber 3 is provided with one and connects flitch 10, connects the vertical fixedly connected with telescopic link 15 in top of flitch 10, and the top of telescopic link 15 and the top fixed connection of 3 inner walls in broken chamber connect the bilateral symmetry on flitch 10 surface to set up with the first logical groove 11 of first broken axle 8 looks adaptation and lead to groove 12 with the second of the broken axle 9 looks adaptation of second.

First broken axle 8's upper portion leads to groove 11 through first and extends to connecing flitch 11 top certain distance, and the groove 12 extends to connecing flitch 10 top certain distance through the second on the upper portion of the broken axle 9 of second, drops when the straw bundle falls to connecing on the flitch 10, with the upper surface contact of first broken axle 8 and the broken axle 9 of second, the dogtooth on first broken axle 8 and the broken axle 9 surface of second pulls the straw and carries out the breakage.

Because different straw fiber structure, intensity are different, stretch out highly lower when the dogtooth, and when certain straw area of contact is less, the dogtooth can't pull the straw apart and pull the straw and carry out the breakage, and equipment can be in idle running state, stretches out when too much when the dogtooth, pulls the straw volume too much and can't lead to carrying out abundant breakage to the straw, and crushing effect is not good.

According to the straw kind of difference, control telescopic link 15 is flexible, the adjustment connects the height of flitch 10, thereby adjust first broken axle 8 and the broken axle 9 of second and stretch out to the height that connects the flitch 10 top, thereby the area of contact of adjustment dogtooth and straw bundle, make the dogtooth can be abundant with the straw contact pull down the straw and carry out the breakage, and can not drag too much straw and lead to the breakage not abundant, can satisfy the broken demand of different kind straw, application scope is wider, the practicality is stronger.

A first support ring 13 is arranged above the first through groove 11, a second support ring 14 is arranged above the second through groove 12, the first support ring 13 and the second support ring 14 are staggered, and a cutter 16 is arranged on the upper surface of the material receiving plate 10 between the first through groove 11 and the second through groove 12.

First support ring 13 is located the top of first broken axle 8, second support ring 14 is located the top of the broken axle 9 of second, when the straw falls to connecing on the flitch 10, carry out certain support by first support ring 13 and second support ring 14, make the straw bundle slope and the contact of the broken axle 8 of first broken axle and second 9, can not pound totally and die the broken axle 8 of first broken axle and the broken axle 9 card of second on first broken axle 8 and the broken axle 9 of second and die, avoid equipment to build out to die and lead to the motor to damage, can normally carry out the breakage simultaneously, the stability of equipment is stronger.

As shown in fig. 4, the outer sides of the first crushing shaft 8 and the second crushing shaft 9 rotate towards the inner side from the upper side, the convex teeth on the surfaces contact with the straw bundle to tear the straw bundle open, the straw is pulled down to rotate synchronously along with the convex teeth, when the convex teeth drive the straw to rotate to the position corresponding to the cutter 16, the straw carried by the convex teeth contacts with the cutter 16, and meanwhile, the cutting and crushing are realized by the pulling of the convex teeth.

The outside top in broken chamber 3 is provided with a feeder hopper 17, and the bottom of feeder hopper 17 link up the inside that the top in broken chamber 3 extended to broken chamber 3, and the bottom of feeder hopper 17 is located the top that connects flitch 10. The bottom of the inner wall of the feed hopper 17 is transversely provided with a kick-off lever 29.

A fixed ring 23 is arranged on the outer annular surface of the feed hopper 17, a support plate 25 is vertically arranged at the top of the crushing cavity 3, a support wheel 26 capable of rotating in a vertical plane is arranged on the side wall surface of the support plate 25, and the upper edge of the support wheel 26 is contacted with the lower surface of the fixed ring 23.

A third motor 21 is arranged in the equipment cavity 2, a driving wheel 22 horizontally arranged is fixedly connected to an output shaft of the third motor 21, and the driving wheel 22 is in transmission connection with the fixed ring 23 through a transmission chain 24.

Third motor 21 work, it rotates to drive action wheel 22, it rotates to drive solid fixed ring 23 through driving chain 24, thereby drive feeder hopper 17 and rotate wholly, during the rotation, the plane at solid fixed ring 23 place and the plane mutually perpendicular at supporting wheel 26 place, the lower surface of solid fixed ring 23 and the upper surface contact of supporting wheel 26, thereby drive supporting wheel 26 and rotate, gu fixed ring 23 rotates with supporting wheel 26 mutually independent, produce relative motion simultaneously, supporting wheel 26 supports solid fixed ring 23, make solid fixed ring 23 and feeder hopper 17 can the free rotation simultaneously.

Drop into the feeder hopper 17 with the straw bundle in, the straw bundle drops downwards to connect on the flitch 10, pull by first broken axle 8 and the broken axle 9 of second, it is broken, third motor 21 work drives feeder hopper 17 and rotates, thereby it rotates to drive inside stirring material pole 29, stir the straw bundle, make the straw bundle multi-angle and the contact of first broken axle 8 and the broken axle 9 of second, guarantee that the straw bundle can be pulled the breakage by the lug on first broken axle 8 and the broken axle 9 of second, avoid the straw bundle stationary lead to with the insufficient condition that can't carry out the breakage of the broken axle 8 of first broken axle and the broken axle 9 contact of second.

The bottom level of broken chamber 3 inner wall is provided with a first conveyer belt 18, and the rear end of first conveyer belt 18 extends to the outside in broken chamber 3, and the box 1 rear end is provided with a second conveyer belt 19, and the front end of second conveyer belt 19 is located the below of first conveyer belt 18 outer end.

Broken chamber 3 outsidely is carried to the straw after the breakage through the first conveyer belt 18 of level setting, drops to the front end of second conveyer belt 19, and through the outside transport of second conveyer belt 19, realize the second grade ejection of compact, avoided the ejection of compact of current single conveyer belt, produce the condition of jam in the department of buckling easily for it is more smooth and easy to handle, has shortened the length of equipment simultaneously, the transportation of being more convenient for.

The bottom of the second conveyor belt 19 is provided with universal wheels 20. It is convenient to adjust the position of the second conveyor belt 19.

An upper cover 27 is arranged at the top of the equipment cavity 2, and the equipment in the equipment cavity 2 can be overhauled by opening the upper cover 27. The bottom of the cabinet 1 is provided with support legs 28.

When the straw bundle cutting device works, a straw bundle is put into the feeding hopper 17, the straw bundle falls downwards to the material receiving plate 10 and is supported by the first supporting ring 13 and the second supporting ring 14 to a certain degree, so that the straw bundle is inclined to be in contact with the first crushing shaft 8 and the second crushing shaft 9, the first motor 4 works to drive the first crushing shaft 8 to rotate, the second motor 5 works to drive the second crushing shaft 9 to rotate, the convex blocks on the first crushing shaft 8 and the second crushing shaft 9 are in contact with the straw bundle to tear the straw bundle open, the straw rotates along with the convex blocks, when the convex teeth drive the straw to rotate to a position corresponding to the cutter 16, the straw carried by the convex teeth is in contact with the cutter 16 and is pulled by the convex teeth to cut and crush the straw, the third motor 21 works to drive the feeding hopper 17 to rotate, so as to drive the material stirring rod 19 inside to rotate, the straw bundle is stirred, and the straw bundle is in multi-angle contact with the first crushing shaft 8 and the second crushing shaft, guarantee that the straw bundle can be dragged the breakage by the lug on first broken axle 8 and the broken axle 9 of second, the straw after the breakage rotates to the below along with first broken axle 8 and the broken axle 9 of second, drop to first conveyer belt 18 on, the straw is carried broken chamber 3 outsidely through the first conveyer belt 18 of level setting, drop to the front end of second conveyer belt 19, outwards carry through second conveyer belt 19, realize the second grade ejection of compact, the ejection of compact of current single conveyer belt has been avoided, produce the condition of jam in the department of buckling easily, make and handle more smoothly, the length of equipment has been shortened simultaneously, the transportation of being more convenient for.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a straw breaker, includes a quick-witted case (1), its characterized in that: the front end of the inner cavity of the case (1) is an equipment cavity (2), the rear end of the inner cavity of the case (1) is a crushing cavity (3), the inner cavity of the equipment cavity (2) is symmetrically provided with a first motor (4) and a second motor (5), output shafts of the first motor (4) and the second motor (5) are respectively and fixedly connected with a first transmission shaft (6) and a second transmission shaft (7), the rear end of the first transmission shaft (6) is fixedly connected with a transversely arranged first crushing shaft (8), the rear end of the second transmission shaft (7) is fixedly connected with a second crushing shaft (9) which is mutually symmetrical with the first crushing shaft (8), the first crushing shaft (8) and the second crushing shaft (9) are both positioned in the crushing cavity (3), and the first crushing shaft (8) and the second crushing shaft (9) are positioned at the same horizontal height, the both ends of first broken axle (8) with the both ends of the broken axle of second (9) correspond respectively and are in the coplanar, the inner chamber level in broken chamber (3) is provided with one and connects flitch (10), the vertical fixedly connected with telescopic link (15) in top that connects flitch (10), the top of telescopic link (15) with the top fixed connection of broken chamber (3) inner wall, connect the bilateral symmetry on flitch (10) surface seted up with first through groove (11) of broken axle (8) looks adaptation and with the second of the broken axle of second (9) looks adaptation leads to groove (12), first through groove (11) top is provided with first support ring (13), the top that the second led to groove (12) is provided with second support ring (14), first support ring (13) with second support ring (14) stagger each other, the upper surface that connects flitch (10) is located first through groove (11) with the second leads to groove (12) Be provided with cutter (16) in the room, the outside top in broken chamber (3) is provided with a feeder hopper (17), the bottom of feeder hopper (17) link up the top in broken chamber (3) extends to the inside in broken chamber (3), the bottom of feeder hopper (17) is located connect the top of flitch (10), the bottom level in broken chamber (3) inner wall is provided with a first conveyer belt (18), the rear end of first conveyer belt (18) extends to the outside in broken chamber (3), quick-witted case (1) rear end is provided with a second conveyer belt (19), the front end of second conveyer belt (19) is located the below of first conveyer belt (18) outer end.

2. The straw crushing device of claim 1, wherein: the outer ring surface of the feeding hopper (17) is provided with a fixing ring (23), the top of the crushing cavity (3) is vertically provided with a supporting plate (25), the side wall surface of the supporting plate (25) is provided with a supporting wheel (26) capable of rotating in a vertical plane, and the upper edge of the supporting wheel (26) is in contact with the lower surface of the fixing ring (23).

3. The straw crushing device of claim 2, wherein: be provided with a third motor (21) in equipment chamber (2), fixedly connected with action wheel (22) that a level set up on the output shaft of third motor (21), action wheel (22) with gu fixed ring (23) is through driving chain (24) transmission connection.

4. The straw crushing device of claim 1, wherein: the bottom of the inner wall of the feed hopper (17) is transversely provided with a material poking rod (29).

5. The straw crushing device of claim 1, wherein: the top of the equipment cavity (2) is provided with an upper cover (27), and the bottom of the case (1) is provided with supporting legs (28).

6. The straw crushing device of claim 1, wherein: the bottom of the second conveyor belt (19) is provided with universal wheels (20).