A grain elevator with low breakage rate

Abstract

The application discloses a low-breakage-rate grain conveying elevator, and relates to the technical field of grain conveying, which comprises a support, a closing mechanism for reducing grain falling is arranged above the support, a lifting mechanism for conveying grain to a high place is arranged at the top of the support, a limiting mechanism is arranged in the closing mechanism, a protection mechanism for reducing grain entering the interior of the elevator is arranged at the top of the support, and a knocking mechanism for reducing the gap of the grain is arranged in the closing mechanism. When the grain is lifted, the top of the shovel is closed by two arc-shaped plates, a relatively closed loading space is formed, the grain is effectively prevented from spilling due to vibration or inertial effect in the lifting process, material loss and environmental pollution are reduced, the closing mechanism can block the overflow of the grain, the grain is difficult to contact the roller area, the situation that the grain is crushed is greatly reduced, the breakage rate is significantly reduced, and the quality of the grain finished product is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of grain transportation, in particular to a low-breakage-rate grain transportation elevator. BACKGROUND

[0002] In the modern logistics and grain processing industry, the bucket elevator as an important conveying equipment, when working, the hopper scoops up the material from the lower storage, and is lifted to the top with the conveying belt or chain, and then is turned down after passing through the top wheel, and the bucket elevator pours the material into the receiving groove. The driving belt of the belt-driven bucket elevator is generally made of rubber belt, which is installed on the lower or upper driving roller and the upper and lower redirection rollers. The bucket elevator also has great use in agriculture, and can convey and lift the grain.

[0003] However, in actual application, the existing bucket elevator uses the roller to cooperate with the rubber belt to lift the grain product, but the structure of the rubber belt is relatively soft, and the roller cannot contact all the inner edges of the rubber belt. In the process of rising, the edges of the rubber belt will shake, so that the grain will fall into the inside of the driving roller along the gap, and the grain will be crushed when the roller rotates, thereby affecting the processing quality of the grain.

[0004] Therefore, the present application provides a low-breakage-rate grain transportation elevator to make up for and improve the shortcomings of the prior art. SUMMARY

[0005] In view of the above problems, the present application provides a low-breakage-rate grain transportation elevator, which can effectively solve the problem of grain falling and being damaged in the prior art. In order to achieve the above purpose, the embodiments of the present application provide the following technical solutions:

[0006] The present application discloses a low-breakage-rate grain transportation elevator, which comprises a support, a closing mechanism for reducing grain falling is arranged above the support, a lifting mechanism for conveying grain to a high place is arranged at the top of the support, a limiting mechanism is arranged in the closing mechanism, a protection mechanism for reducing the entry of grain into the inside of the elevator is arranged at the top of the support, and a knocking mechanism for reducing the gap of grain is arranged in the closing mechanism.

[0007] The closing mechanism comprises a plurality of scoops obliquely arranged on the inclined surface of the support, a receiving cavity is formed in each of the scoops, an arc-shaped plate is symmetrically and slidably connected in the receiving cavity, recesses are symmetrically formed on both sides of the scoop, and arc-shaped notches are formed on both sides of the scoop, an L-shaped connecting rod is slidably connected in each of the arc-shaped notches, and the horizontal section of the connecting rod is fixedly connected with the side surface of the arc-shaped plate.

[0008] Further, the vertical section of each connecting rod is fixedly connected with an arc-shaped rack, each of the arc-shaped racks is engaged with a driven gear, and the two driven gears are rotatably connected with the side surface of the bucket, the transmission shaft is rotatably connected with the side surface of the bucket, the outer surface of the transmission shaft is fixedly connected with a driving gear, and the driving gear is engaged with the two driven gears.

[0009] Further, the two ends of the bucket are fixedly connected with cover plates for closing the grooves through bolts, the transmission shaft penetrates the cover plates, the end of the transmission shaft away from the bucket is fixedly connected with a driving wheel, and the inclined surface of the support is fixedly connected with a first bracket for driving the driving wheel to rotate.

[0010] Further, the lifting mechanism comprises a driven wheel rotatably connected to the top of the support, the bottom of the support is rotatably connected with a driving wheel, the side surface of the support is fixedly connected with a motor, the output end of the motor is fixedly connected with the rotating shaft of the driving wheel, the driving wheel and the driven wheel are transmissionally connected with a transmission belt, and the surface of the transmission belt is fixedly connected with a plurality of buckets.

[0011] Further, the limiting mechanism comprises cavities annularly arranged on the surface of the transmission shaft, each of the cavities is slidably connected with a first ball, the interior of the cavity is provided with an extrusion spring, one end of the extrusion spring is fixedly connected with the inner bottom surface of the cavity, and the other end of the extrusion spring is in mutual abutment with the first ball.

[0012] Further, the limiting mechanism further comprises clamping grooves arranged on the two sides of the bucket, the clamping grooves correspond to the first balls in a one-to-one manner, and the first balls are slidably clamped into the clamping grooves.

[0013] Further, the protection mechanism comprises a U-shaped protective cover fixedly connected to the top of the support, the side surface of the protective cover is provided with a discharge port for discharging grain, the bottom of the protective cover is rotatably connected with a baffle, and the interior of the protective cover is fixedly connected with an elastic sheet, the side surface of the elastic sheet is in mutual abutment with the side surface of the baffle.

[0014] Further, the knocking mechanism comprises moving rods symmetrically and slidably connected to the side surface of the bucket, each of the moving rods is rotatably connected with a connecting rod, each of the connecting rods is rotatably connected with a rotating rod at the end away from the moving rod, the middle part of each of the rotating rods is rotatably connected with the interior of the bucket, and the end of each of the rotating rods away from the connecting rod is fixedly connected with a hammer for knocking the bucket.

[0015] Further, the knocking mechanism further comprises a second bracket fixedly connected to the inclined surface of the support, and the lower surface of the second bracket is in rolling connection with the driving wheel.

[0016] Further, the reset spring is fixedly connected between the two moving rods, a second rolling ball is rotatably connected to the end of each moving rod away from the reset spring, and the second rolling ball is slidingly connected to the side surface of the first bracket.

[0017] Advantages:

[0018] 1. The closing mechanism is provided, when the grain is lifted, the two arc-shaped plates close the top of the shovel to form a relatively closed loading space, effectively preventing the grain from spilling due to vibration or inertia during lifting, reducing material loss and environmental pollution, the closing mechanism can block the overflow of the grain, making it difficult to contact the roller area, greatly reducing the crushing of the grain, thereby significantly reducing the damage rate and improving the quality of the finished grain.

[0019] 2. The limiting mechanism is provided, after the arc-shaped plate closes the top of the shovel, the first rolling ball enters the clamping groove to produce elastic deformation and contact pressure, forming a friction force between the transmission shaft and the connecting part, forming a mechanical lock to prevent the arc-shaped plate from opening accidentally during lifting, improving the stability of the overall structure and ensuring the safety of grain transportation, achieving power-free self-locking, even in the case of power failure or drive failure, the closed state remains unchanged.

[0020] 3. The protection mechanism is provided, when the grain is poured out of the shovel, the protection cover in the grain blocks the physical isolation barrier in the unloading area, preventing the grain particles from entering the transmission system of the elevator, effectively preventing unplanned shutdown caused by grain entering the transmission area, and also reducing the breakage rate of the grain.

[0021] 4. The knocking mechanism is provided, when the shovel lifts the grain upward, the hammer continuously hits the shovel to rearrange and compact the grain particles, making the grain more closely adhere to the inside of the shovel, enhancing the overall stability of the grain during lifting, reducing the risk of falling during the process, improving the safety of the conveying process, and further reducing the damage to the grain. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0023] Figure 1 The three-dimensional structure of the present application.

[0024] Figure 2Structure enlarged view at A in the application. Figure 1 Structure enlarged view at A in the application.

[0025] Figure 3 Structure enlarged view at A in the application.

[0026] Figure 4 Structure enlarged view at A in the application.

[0027] Figure 5 Structure enlarged view at A in the application.

[0028] Figure 6 Structure enlarged view at A in the application. Figure 5 Structure enlarged view at A in the application.

[0029] Figure 7 Structure enlarged view at A in the application.

[0030] Figure 8 Structure enlarged view at A in the application.

[0031] Figure 9 Structure enlarged view at A in the application.

[0032] The reference signs in the drawings respectively represent: 10, support; 20, closing mechanism; 201, bucket; 202, storage cavity; 203, arc-shaped plate; 204, groove; 205, arc-shaped notch; 206, connecting rod; 207, arc-shaped rack; 208, driven gear; 209, driving gear; 210, cover plate; 211, driving wheel; 212, first bracket; 213, transmission shaft; 30, lifting mechanism; 301, driving wheel; 302, driven wheel; 303, transmission belt; 304, motor; 40, limiting mechanism; 401, cavity; 402, first ball; 403, extrusion spring; 404, clamping groove; 50, protection mechanism; 501, protection cover; 502, discharge port; 503, baffle; 504, elastic sheet; 60, knocking mechanism; 601, moving rod; 602, rotating rod; 603, hammer; 604, connecting rod; 605, return spring; 606, second ball; 607, second bracket; 608, protruding block. DETAILED DESCRIPTION

[0033] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0034] The application will be further described in connection with the following examples.

[0035] With reference to Figures 1 to 9 The low-breakage-rate grain conveying elevator of the embodiment comprises a support 10, an enclosed mechanism 20 for reducing grain falling is arranged above the support 10, a lifting mechanism 30 for conveying grain to a high place is arranged at the top of the support 10, a limiting mechanism 40 is arranged inside the enclosed mechanism 20, a protection mechanism 50 for reducing grain entering the inside of the elevator is arranged at the top of the support 10, and a knocking mechanism 60 for reducing the gap of the grain is arranged inside the enclosed mechanism 20.

[0036] The enclosed mechanism 20 comprises a plurality of shovels 201 obliquely arranged on the inclined surface of the support 10, a receiving cavity 202 is formed in each of the shovels 201, an arc-shaped plate 203 is symmetrically and slidably connected inside the receiving cavity 202, a recess 204 is symmetrically formed on the two sides of the shovel 201, and an arc-shaped notch 205 is formed on the two sides of the shovel 201, an L-shaped connecting rod 206 is slidably connected in each of the arc-shaped notches 205, and the horizontal segment of the connecting rod 206 is fixedly connected with the side surface of the arc-shaped plate 203.

[0037] The vertical segment of each of the connecting rods 206 is fixedly connected with an arc-shaped rack 207, each of the arc-shaped racks 207 is engaged with a driven gear 208, and the two driven gears 208 are rotatably connected with the side surface of the shovel 201, the side surface of the shovel 201 is further rotatably connected with a transmission shaft 213, the transmission shaft 213 is fixedly connected with a driving gear 209 outside, and the driving gear 209 is engaged with the two driven gears 208.

[0038] The two ends of the shovel 201 are fixedly connected with a cover plate 210 for closing the recess 204 through bolts, the transmission shaft 213 penetrates the cover plate 210, a driving wheel 211 is fixedly connected with the end of the transmission shaft 213 away from the shovel 201, and the inclined surface of the support 10 is fixedly connected with a first bracket 212 for driving the driving wheel 211 to rotate.

[0039] Specifically, when the food is lifted by the bucket 201, the driving wheel 211 rolls on the surface of the first bracket 212 during the lifting of the bucket 201, so that the driving wheel 211 drives the driving gear 209 to rotate through the transmission shaft 213, and the driving gear 209 simultaneously drives the two driven gears 208 to rotate in opposite directions, and the two driven gears 208 rotating in opposite directions drive the two arc-shaped plates 203 to rotate through the arc-shaped rack 207, so that the arc-shaped plates 203 are turned out of the receiving cavity 202, the two arc-shaped plates 203 at the top contact each other to close the top of the bucket 201, forming a relatively closed loading space, effectively preventing the food from spilling due to vibration or inertia during lifting, reducing material loss and environmental pollution, the closing mechanism 20 can block the overflow of the food, making it difficult to contact the roller area, greatly reducing the situation of the food being crushed, thereby significantly reducing the damage rate and improving the quality of the finished food.

[0040] The lifting mechanism 30 includes a driven wheel 302 rotatably connected to the top of the support 10, a driving wheel 301 rotatably connected to the bottom of the support 10, and a motor 304 fixedly connected to the side of the support 10, the output end of the motor 304 is fixedly connected with the rotating shaft of the driving wheel 301, and a transmission belt 303 is transmissionally connected between the driving wheel 301 and the driven wheel 302, and the surface of the transmission belt 303 is fixedly connected with a plurality of buckets 201.

[0041] Specifically, the motor 304 drives the driving wheel 301 to rotate, and the driving wheel 301 drives the transmission belt 303 to rotate between the driving wheel 301 and the driven wheel 302, and the transmission belt 303 synchronously drives the bucket 201 to rise in height during the rotation.

[0042] The limiting mechanism 40 includes cavities 401 annularly formed on the surface of the transmission shaft 213, a first ball 402 is slidingly connected in each cavity 401, an extrusion spring 403 is arranged inside the cavity 401, one end of the extrusion spring 403 is fixedly connected with the inner bottom surface of the cavity 401, and the other end of the extrusion spring 403 abuts against the first ball 402.

[0043] The limiting mechanism 40 further includes clamping grooves 404 formed on both sides of the bucket 201, the clamping grooves 404 correspond to the first balls 402 one by one, and the first balls 402 are slidingly clamped into the clamping grooves 404.

[0044] Specifically, when the transmission shaft 213 rotates, the first rolling ball 402 is separated from the clamping groove 404 of the shovel 201, at this time, the first rolling ball 402 enters the cavity, when the transmission shaft 213 stops rotating, the first rolling ball 402 is pushed into the clamping groove 404 by the compression spring 403, the first rolling ball 402 and the clamping groove 404 cooperate with each other to produce a certain elastic deformation and contact pressure, so that the friction force is formed between the transmission shaft 213 and the connecting part, the mechanical locking is formed, the accidental opening of the arc-shaped plate 203 during lifting is avoided, the stability of the overall structure is improved, the safety of grain transportation is ensured, and the self-locking without power is realized. Even in the case of power failure or drive failure, the closed state remains unchanged.

[0045] The protection mechanism 50 comprises a U-shaped protection cover 501 fixedly connected to the top of the support 10, a discharge port 502 for discharging grains is formed in the side surface of the protection cover 501, a baffle 503 is rotatably connected to the bottom of the protection cover 501, and an elastic sheet 504 is fixedly connected to the inside of the protection cover 501, and the side surface of the elastic sheet 504 is in abutment with the side surface of the baffle 503.

[0046] Specifically, after the shovel 201 is lifted to a high position, the shovel 201 is turned over under the driving of the transmission belt 303, at this time, the arc-shaped plate 203 is opened, the grains fall from the opening of the shovel 201, then the grains are discharged from the protection cover 501 through the discharge port 502, the grains are blocked by the protection cover 501, a physical isolation barrier is formed in the unloading area, the grain particles are prevented from entering the transmission system of the elevator, unplanned shutdown caused by the entry of grains into the transmission area is avoided, and the breakage rate of the grains is reduced. The shovel 201 is continuously moved by the transmission belt 303, the shovel 201 hits the baffle 503, the baffle 503 is rotated, then the shovel 201 moves from the baffle 503 to the outside of the protection cover 501, and then the baffle 503 is reversely rotated and reset under the elastic force of the elastic sheet 504, and the opening of the protection cover 501 is further closed by the rotatable baffle 503.

[0047] The knocking mechanism 60 comprises a moving rod 601 symmetrically and slidably connected to the side surface of the shovel 201, a connecting rod 604 is rotatably connected to the side surface of each moving rod 601, a rotating rod 602 is rotatably connected to the end of each connecting rod 604 away from the moving rod 601, the middle part of each rotating rod 602 is rotatably connected to the inside of the shovel 201, and a hammer 603 for knocking the shovel 201 is fixedly connected to the end of each rotating rod 602 away from the connecting rod 604.

[0048] The knocking mechanism 60 further comprises a second bracket 607 fixedly connected to the inclined surface of the support 10, and the lower surface of the second bracket 607 is in rolling connection with the driving wheel 211.

[0049] The two movable rods 601 are fixedly connected with reset springs 605, and each movable rod 601 is rotatably connected with a second ball 606 at an end away from the reset spring 605, and the second ball 606 is slidably connected with the side surface of the first bracket 212, and the side surface of the first bracket 212 is fixedly connected with a plurality of protrusions 608 at equal distances.

[0050] In specific work, after the driving belt 303 drives the bucket 201 to overturn, the driving wheel 211 rolls with the lower surface of the second bracket 607, so that the driving wheel 211 drives the driving gear 209 to rotate through the transmission shaft 213, and the driving gear 209 simultaneously drives the two driven gears 208 to rotate in opposite directions, and the two driven gears 208 rotating in opposite directions drive the two arc-shaped plates 203 to rotate through the arc-shaped rack 207, so that the arc-shaped plates 203 enter the storage cavity 202, thereby opening the closed bucket 201, and the food in the bucket 201 is poured out.

[0051] When the bucket 201 drives the food to be lifted, the movable rods 601 alternately slide with the surfaces of the protrusions 608, and are simultaneously pushed by the elastic force of the reset springs 605, so that the movable rods 601 move horizontally back and forth, and the friction between the movable rods 601 and the protrusions 608 is reduced through the second balls 606, and in the process of moving back and forth, the movable rods 601 drive the rotating rods 602 to rotate back and forth through the connecting rods 604, and in the process of rotating, the rotating rods 602 drive the hammers 603 to knock the outer wall of the bucket 201, and when the bucket 201 scoops up the food and lifts it to a high place, the hammers 603 continuously knock the bucket 201, so as to rearrange and compact the food particles, and the food is more closely attached in the bucket 201 through the knocking, thereby enhancing the overall stability of the food in the lifting process, reducing the risk of falling in the middle, improving the safety of the conveying process, and further reducing the damage of the food.

[0052] Working principle:

[0053] The bucket 201 is lifted to a height by the lifting mechanism 30, and the top of the bucket 201 is closed by the closing mechanism 20 at the lifting height, and in the lifting process, the limiting mechanism 40 ensures that the closing mechanism 20 cannot be opened, and after the bucket 201 overturns, the closing mechanism 20 of the bucket 201 is opened by the second bracket 607, and then the food is poured into the protection mechanism 50, and the knocking mechanism 60 knocks the bucket 201 while lifting the food, so as to rearrange and compact the food particles by vibration, and the food is more closely attached in the bucket 201 through the knocking, thereby enhancing the overall stability of the food in the lifting process.

[0054] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some of the technical features can be replaced by equivalents; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A grain transport elevator with low breakage rate, characterized in that, Includes a support (10), a closing mechanism (20) for reducing grain falling is provided above the support (10), a lifting mechanism (30) for conveying grain to a higher position is provided at the top of the support (10), a limiting mechanism (40) is provided inside the closing mechanism (20), a protective mechanism (50) for reducing grain entering the elevator is provided at the top of the support (10), and a knocking mechanism (60) for reducing grain gaps is provided inside the closing mechanism (20). The closing mechanism (20) includes multiple buckets (201) inclinedly arranged on the inclined surface of the support (10). Each bucket (201) has a storage cavity (202) inside. An arc plate (203) is symmetrically slidably connected inside the storage cavity (202). Grooves (204) are symmetrically opened on both sides of the bucket (201), and arc slots (205) are opened on both sides of the bucket (201). An L-shaped connecting rod (206) is slidably connected inside each arc slot (205). The horizontal section of the connecting rod (206) is fixedly connected to the side of the arc plate (203). The striking mechanism (60) includes movable rods (601) symmetrically slidably connected to the side of the bucket (201), each movable rod (601) is rotatably connected to a connecting rod (604) on its side, each connecting rod (604) is rotatably connected to a rotating rod (602) at one end away from the movable rod (601), the middle of each rotating rod (602) is rotatably connected to the inside of the bucket (201), and a hammer (603) for striking the bucket (201) is fixedly connected to one end of the rotating rod (602) away from the connecting rod (604). The striking mechanism (60) further includes a second bracket (607) fixedly connected to the inclined surface of the bracket (10), and the lower surface of the second bracket (607) is rotatably connected to the drive wheel (211); A return spring (605) is fixedly connected between the two moving rods (601). A second ball (606) is rotatably connected to one end of each moving rod (601) away from the return spring (605). The second ball (606) is slidably connected to the side of the first bracket (212). A plurality of protrusions (608) are fixedly connected at equal intervals on the side of the first bracket (212).

2. The grain transport elevator with low breakage rate according to claim 1, characterized in that, Each of the connecting rods (206) has a vertical section fixedly connected to an arc-shaped rack (207), each of the arc-shaped racks (207) meshing with a driven gear (208), and the two driven gears (208) are rotatably connected to the side of the bucket (201). The side of the bucket (201) is also rotatably connected to a drive shaft (213), and the drive shaft (213) is fixedly connected to a driving gear (209), which meshes with the two driven gears (208).

3. A grain transport elevator with low breakage rate according to claim 2, characterized in that, The bucket (201) is bolted to both ends of a cover plate (210) for sealing the groove (204). The drive shaft (213) passes through the cover plate (210), and a drive wheel (211) is fixedly connected to the end of the drive shaft (213) away from the bucket (201). The inclined surface of the bracket (10) is fixedly connected to a first bracket (212) for driving the drive wheel (211) to rotate.

4. A grain transport elevator with low breakage rate according to claim 1, characterized in that, The lifting mechanism (30) includes a driven wheel (302) rotatably connected to the top of the support (10), a driving wheel (301) rotatably connected to the bottom of the support (10), and a motor (304) fixedly connected to the side of the support (10). The output end of the motor (304) is fixedly connected to the shaft of the driving wheel (301). A transmission belt (303) is connected between the driving wheel (301) and the driven wheel (302). The surface of the transmission belt (303) is fixedly connected to a plurality of buckets (201).

5. A grain transport elevator with low breakage rate according to claim 1, characterized in that, The limiting mechanism (40) includes a cavity (401) that is annularly opened on the surface of the transmission shaft (213). A first ball (402) is slidably connected in each cavity (401). A compression spring (403) is provided inside the cavity (401). One end of the compression spring (403) is fixedly connected to the bottom surface inside the cavity (401), and the other end of the compression spring (403) abuts against the first ball (402).

6. A grain transport elevator with low breakage rate according to claim 5, characterized in that, The limiting mechanism (40) also includes slots (404) on both sides of the bucket (201), the slots (404) correspond one-to-one with the first ball (402), and the first ball (402) slides into the slot (404).

7. A grain transport elevator with low breakage rate according to claim 1, characterized in that, The protective mechanism (50) includes a U-shaped protective cover (501) fixedly connected to the top of the support (10). The protective cover (501) has a discharge port (502) for grain discharge on its side. A baffle (503) is rotatably connected to the bottom of the protective cover (501). An elastic sheet (504) is fixedly connected inside the protective cover (501). The side of the elastic sheet (504) abuts against the side of the baffle (503).

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