Modularized single-chain grain scraper with granary unloading device
By designing a modular single-chain grain scraper with granary unloading device, using motor drive devices and sprocket driven devices, efficient and large-flow transmission of grain is achieved, solving the problem that traditional devices can only be used indoors and are vulnerable to damage.
Patent Information
- Application Number
- CN202510016016.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-04-25
AI Technical Summary
Most traditional grain unloading devices in granary are open-top, which can only be used indoors, and debris may fall off, causing damage to the device.
A modular single-chain grain scraper with grain unloading device in the granary is designed, using a motor drive device and a sprocket driven device to transport the grain in the granary to the modular device of the conveying tank body through the scraper chain, achieving efficient and closed grain transportation.
It realizes efficient and large-flow delivery of grain, solves the problem that traditional devices can only be used indoors and are vulnerable to damage, and improves the flexibility and reliability of the equipment.
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Figure CN119873221A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of single-chain grain scrapers, in particular to a modular single-chain grain scraper with a grain bin unloading device. Background Art
[0002] There are two main modes of transportation for grain storage: grain scrapers and belt conveyors. Single-chain grain scrapers play a key role in many grain depots and grain processing companies. In terms of performance, it has the advantage of large conveying capacity and can efficiently transfer several tons or even tens of tons of grain per hour to meet the needs of large-scale operations. It has strong adaptability to grains, whether it is granular grains such as wheat, rice, corn, or beans, etc., it can be transported smoothly, and the grain breakage rate can be minimized to the greatest extent to ensure the quality of grain. At the same time, it has good sealing performance, which effectively reduces dust from being blown out, is both environmentally friendly and avoids food waste, provides reliable guarantees for the storage and processing of the grain industry, and helps the grain industry operate efficiently.
[0003] Most of the traditional grain silo unloading devices have an open top, which means that they can only be used indoors. At the same time, there is a possibility that debris may fall and cause damage to the grain silo unloading device. Summary of the invention
[0004] In view of the shortcomings of the prior art, the present invention provides a modular single-chain grain scraper with a grain silo unloading device, which solves the problem that most traditional grain silo unloading devices are open at the top, so they can only be used indoors, and there is a possibility that debris will fall and cause damage to the grain silo unloading device.
[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a modular single-chain grain scraper with a grain silo unloading device, including a grain silo unloading scraper supporting device, a motor drive device and a sprocket follower are arranged at both ends of the grain silo unloading scraper supporting device, a first conveying trough modular device, a second conveying trough modular device and a third conveying trough modular device are arranged between the grain silo unloading scraper supporting device and the motor drive device and the sprocket follower, the motor drive device and the sprocket follower are connected through a scraper chain, the motor drive device is used to drive the scraper chain, the sprocket follower is used to adjust the tension of the scraper chain, the first conveying trough modular device, the second conveying trough modular device and the third conveying trough modular device are used to transport grain, the grain silo unloading scraper supporting device is used to transport the grain in the granary to the first conveying trough modular device, the second conveying trough modular device and the third conveying trough modular device, and the scraper chain is used to drive the grain movement.
[0006] Preferably, the motor drive device includes a motor drive device frame, a drive safety switch device is fixedly arranged on the top of the motor drive device frame, a grain unloading motor valve device is arranged on the bottom of the motor drive device frame, a drive end grain unloading port is opened at the bottom of the grain unloading motor valve device, motor drive device support frames are arranged at both ends of the grain unloading motor valve device, the top of the motor drive device support frame is fixedly connected to the bottom of the motor drive device frame, a motor and its sprocket combination device is arranged on the upper part of the grain unloading motor valve device, and the outer wall of the motor in the motor and its sprocket combination device is fixed to the outer wall of the motor drive device frame.
[0007] Preferably, the sprocket follower comprises a sprocket follower frame, a driven sprocket and a bearing and a bearing seat device are arranged inside the sprocket follower frame, a sprocket rear grain blocking device is arranged on the side wall of the sprocket rear grain blocking device, a sprocket double-sided four-screw tensioning device is fixedly arranged on the rear side of the sprocket follower frame, sprocket follower covers are arranged on both sides of the sprocket follower frame, and a sprocket follower connecting piece is arranged on the front side of the sprocket follower frame.
[0008] Preferably, the first conveying trough modular device includes a first conveying trough modular device frame, a first chain support roller is arranged inside the first conveying trough modular device frame, a first rubber bottom plate is arranged at the bottom of the first conveying trough modular device frame, and the end of the first conveying trough modular device frame is connected to a first connecting member by bolts.
[0009] Preferably, the second conveying trough modular device includes a second conveying trough modular device frame, a second rubber bottom plate is provided at the inner bottom of the second conveying trough modular device frame, a first chain support roller is provided inside the second conveying trough modular device frame, and a second conveying trough observation window is provided on the side wall of the second conveying trough modular device frame.
[0010] Preferably, the third conveying trough modular device comprises a third conveying trough modular device frame, a first chain support roller is arranged inside the third conveying trough modular device frame, and a third rubber bottom plate is arranged at the inner bottom of the third conveying trough modular device frame.
[0011] Preferably, the supporting device of the grain silo unloading scraper includes a modular device frame of a conveying trough body, the top of the modular device frame of the conveying trough body is fixedly connected to a mid-end device for unloading grain, the top of the mid-end device for unloading grain is connected to the bottom of a grain unloading port connecting piece, and the top of the grain unloading port connecting piece is fixedly connected to the bottom of the grain silo unloading motor valve device.
[0012] Preferably, the scraper chain includes a scraper chain without side holes and a scraper chain with side holes. The outer wall of the scraper chain with side holes is fixedly connected to a scraper rubber sheet by bolts, and the scraper chain without side holes and the scraper chain with side holes are connected to the outer wall of the chain by a pin shaft.
[0013] Working principle: The motor and its sprocket combination device in the motor drive device are powered on and rotated, and the rotation of the sprocket drives the scraper chain to rotate. The grain reaches the scraper chain through the grain bin unloading motor valve device, the unloading port connector, the unloading mid-end device, and the modular device frame of the conveying trough in the unloading scraper supporting device. The grain is transported to the unloading motor valve device of the motor drive device through the scraper chain, and then transported to the appropriate position through the unloading port at the driving end. The double-sided four-screw tensioning device on the sprocket in the sprocket follower device tensions the sprocket to ensure the normal operation of the sprocket chain.
[0014] The present invention provides a modular single-chain grain scraper with a grain bin unloading device, which has the following beneficial effects:
[0015] 1. In the present invention, the first conveying trough modular device, the second conveying trough modular device and the third conveying trough modular device can be used for high-efficiency and large-flow transportation, and can transport grain both near and far. The closed trough can be above ground or underground, and is waterproof and rainproof. The transport trough cover is detachable, which saves costs and reduces the difficulty of repair and maintenance, thereby improving the problem that most traditional granary unloading devices are open at the top, which means that they can only be used indoors, and there is a possibility that debris will fall, causing damage to the granary unloading device.
[0016] 2. In the present invention, the side scraper chain without holes and the side scraper chain with holes are connected to the outer wall of the chain by a pin shaft, so that the installation and disassembly of the scraper chain without holes and the side scraper chain with holes can be completed only by corresponding disassembly and assembly of the pin shaft, thereby improving the problem that most single-chain grain scrapers are welded combinations, which will cause inconvenient installation and rigid structure.
[0017] 3. In the present invention, the driving safety switch device in the electric driving device can effectively prevent the motor from being damaged by overload, and also effectively prevent human damage caused by sudden power supply during maintenance, thereby improving the safety working coefficient. A single grain unloading port or a combination of multiple grain unloading ports can be used to meet more on-site requirements.
[0018] 4. In the present invention, the double-sided four-screw tensioning device in the sprocket follower device can not only effectively tension the sprocket, but also ensure that the sprocket works stably for a long time without shaking after tensioning, thereby improving work efficiency and working time.
[0019] 5. In the present invention, through modularization of the conveying trough body and visualization inside the trough body, as well as the grain unloading port matching device, etc., it is possible to add or reduce the types and quantities of conveying trough bodies at any time according to the specific conditions on site, effectively adapt to various on-site conditions, and ensure that the grain transportation conditions are observed in time during normal grain transportation to make corresponding operations. It can also be connected with other equipment for use, and the overall application range is widely improved.
[0020] 6. In the present invention, scraper rubber sheets are added at small intervals on the scraper chain to reduce friction resistance and energy consumption, while also cleaning debris on the scraper bottom plate to prevent accumulation of debris and blockage, thereby reducing the accident rate. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the front three-dimensional structure of the present invention;
[0022] Figure 2 It is a schematic diagram of the internal three-dimensional structure of the motor drive device of the present invention;
[0023] Figure 3 It is a schematic diagram of the internal three-dimensional structure of the sprocket follower of the present invention;
[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the modular device of the first conveying trough body of the present invention;
[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of the modular device of the second conveying trough body of the present invention;
[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of the modular device of the third conveying trough body of the present invention;
[0027] Figure 7 It is a three-dimensional structural schematic diagram of the supporting device of the grain silo unloading scraper of the present invention;
[0028] Figure 8 It is a schematic diagram of the three-dimensional structure of the scraper chain of the present invention.
[0029] Among them, 100, motor drive device; 101, motor drive device frame; 102, motor and sprocket assembly device; 103, drive safety switch device; 104, grain unloading motor valve device; 105, motor drive device support frame; 106, drive end grain unloading port; 200, sprocket follower device; 201, sprocket follower device frame; 202, driven sprocket and bearing and bearing seat device; 203, sprocket rear side grain blocking device; 204, sprocket double-sided four-screw tensioning device; 205, sprocket follower device cover; 206, sprocket follower device connector; 310, first conveying trough modular device; 311, first conveying trough modular device frame; 312, first connecting Parts; 313, the first chain support roller; 314, the first rubber bottom plate; 320, the second conveying trough modular device; 321, the second conveying trough modular device frame; 322, the second rubber bottom plate; 323, the second conveying trough observation window; 330, the third conveying trough modular device; 331, the third conveying trough modular device frame; 400, the grain silo unloading scraper supporting device; 401, the conveying trough modular device frame; 402, the grain unloading middle end device; 403, the grain unloading port connector; 404, the grain silo unloading motor valve device; 500, the scraper chain; 501, the scraper chain without holes on the side; 502, the scraper chain with holes on the side; 503, the scraper rubber sheet. DETAILED DESCRIPTION
[0030] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0031] Embodiment 1:
[0032] Please see attached Figure 1The embodiment of the present invention provides a modular single-chain grain scraper with a grain silo unloading device, including a grain silo unloading scraper supporting device 400, a motor driving device 100 and a sprocket driven device 200 are arranged at both ends of the grain silo unloading scraper supporting device 400, a first conveying trough modular device 310, a second conveying trough modular device 320 and a third conveying trough modular device 330 are arranged between the grain silo unloading scraper supporting device 400 and the motor driving device 100 and the sprocket driven device 200, and the motor driving device 100 and the sprocket driven device 200 are connected to the scraper. The chain 500 is connected, the motor drive device 100 is used to drive the scraper chain 500, the sprocket follower device 200 is used to adjust the tension of the scraper chain 500, the first conveying trough modular device 310, the second conveying trough modular device 320 and the third conveying trough modular device 330 are used to transport grain, the grain silo unloading scraper supporting device 400 is used to transport the grain in the granary to the first conveying trough modular device 310, the second conveying trough modular device 320 and the third conveying trough modular device 330, and the scraper chain 500 is used to drive the movement of grain.
[0033] Specifically, the grain silo unloading scraper supporting device 400 can play the role of transporting the grain in the granary to the first conveying trough modular device 310, the second conveying trough modular device 320 and the third conveying trough modular device 330. The first conveying trough modular device 310, the second conveying trough modular device 320 and the third conveying trough modular device 330 and the grain silo unloading scraper supporting device 400 are modular devices, which can be adjusted and installed according to the specific situation on site. The overall length can be lengthened or shortened, and the observation window in the grain unloading scraper supporting device 400 can timely observe the grain transportation situation inside the scraper, and the amount of grain unloading can be adjusted based on this, which is convenient and timely, and improves work efficiency. All the upper covers of the modular devices of the conveying trough can be installed and disassembled, and can be disassembled, observed and repaired accordingly according to the specific fault location, which is convenient for later maintenance. The motor drive device 100 can drive the scraper chain 500, and the sprocket follower device 200 can adjust the tensioning state of the scraper chain 500, thereby preventing the scraper chain 500 from shaking and increasing durability.
[0034] Please see attached Figure 1 -Attached Figure 2The motor drive device 100 includes a motor drive device frame 101, a driving safety switch device 103 is fixedly arranged on the top of the motor drive device frame 101, a grain unloading motor valve device 104 is arranged at the bottom of the motor drive device frame 101, a driving end grain unloading port 106 is opened at the bottom of the grain unloading motor valve device 104, motor drive device support frames 105 are arranged at both ends of the grain unloading motor valve device 104, the top of the motor drive device support frame 105 is fixedly connected to the bottom of the motor drive device frame 101, a motor and its sprocket combination device 102 is arranged on the upper part of the grain unloading motor valve device 104, and the outer wall of the motor in the motor and its sprocket combination device 102 is fixed to the outer wall of the motor drive device frame 101.
[0035] Specifically, the motor drive device frame 101 can fix the motor and its sprocket assembly device 102, the driving safety switch device 103, and the motor drive device support frame 105, and is also used to fix the driving end grain unloading port 106. When the current or voltage is too large and overloaded, the driving safety switch device 103 can send a signal to the power control cabinet to trip the power, and the upper cover plate will pop up. Even if the power cabinet starts to supply power normally afterwards, the upper cover plate is not pressed manually and the motor still does not rotate, effectively preventing casualties caused by sudden power supply during maintenance and repair. The driving end grain unloading port 106 is opened and closed by the grain unloading motor valve device 104, and the motor drive device support frame 105 can support the grain unloading motor valve device 104, so that the grain unloading motor valve device 104 can slide on the inner wall of the motor drive device support frame 105.
[0036] Please see attached Figure 1 -Attached Figure 3 The sprocket follower 200 includes a sprocket follower frame 201, a driven sprocket and a bearing and a bearing seat device 202 are arranged inside the sprocket follower frame 201, a sprocket rear side grain blocking device 203 is arranged on the side wall, a sprocket double-sided four-screw tensioning device 204 is fixedly arranged on the rear side of the sprocket follower frame 201, a sprocket follower outer cover 205 is arranged on both sides of the sprocket follower frame 201, and a sprocket follower connecting piece 206 is arranged on the front side of the sprocket follower frame 201.
[0037] Specifically, the sprocket follower frame 201 can be used to install related components, the driven sprocket and the bearing and its bearing seat device 202 can be engaged with the scraper chain 500, thereby rotating the scraper chain 500, the grain blocking device 203 on the rear side of the sprocket can prevent grain from scattering, the four-screw tensioning device 204 on both sides of the sprocket can adjust the tension of the scraper chain 500, and the sprocket follower cover 205 can shield the internal structure of the sprocket follower frame 201.
[0038] Please see attached Figure 1 -Attached Figure 4 The first conveying trough modular device 310 includes a first conveying trough modular device frame 311, a first chain support roller 313 is arranged inside the first conveying trough modular device frame 311, a first rubber bottom plate 314 is arranged at the bottom of the first conveying trough modular device frame 311, and the end of the first conveying trough modular device frame 311 is connected to the first connecting member 312 by bolts.
[0039] Specifically, the first conveying trough modular device frame 311 can play a role in installing related components, the first chain support roller 313 can play a role in supporting the scraper chain 500, and the first connecting piece 312 can play a role in connecting and fixing with other devices by bolts, thereby playing a role of modular assembly, and the first rubber bottom plate 314 can play a role in buffering grains, thereby ensuring the integrity of the grains.
[0040] Please see attached Figure 1 -Attached Figure 5 The second conveying trough modular device 320 includes a second conveying trough modular device frame 321, a second rubber bottom plate 322 is arranged at the inner bottom of the second conveying trough modular device frame 321, a first chain support roller 313 is arranged inside the second conveying trough modular device frame 321, and a second conveying trough observation window 323 is arranged on the side wall of the second conveying trough modular device frame 321.
[0041] Specifically, the second conveying trough modular device frame 321 can be used to install relevant components, the second rubber bottom plate 322 can buffer the grains to ensure the integrity of the grains, and the second conveying trough observation window 323 can be used to observe the internal conditions of the trough.
[0042] Please see attached Figure 1 -Attached Figure 6The third conveying trough modular device 330 includes a third conveying trough modular device frame 331, a first chain support roller 313 is arranged inside the third conveying trough modular device frame 331, and a third rubber bottom plate 332 is arranged at the inner bottom of the third conveying trough modular device frame 331.
[0043] Specifically, the third conveying trough modular device frame 331 can play a role in installing relevant components, and the third rubber bottom plate 332 can play a role in buffering the grains, thereby ensuring the integrity of the grains.
[0044] Please see attached Figure 1 -Attached Figure 7 The supporting device 400 of the grain silo unloading scraper includes a modular device frame 401 of the conveying trough body, and the top of the modular device frame 401 of the conveying trough body is fixedly connected to the middle-end device 402 of unloading grain, and the top of the middle-end device 402 of unloading grain is connected to the bottom of the grain unloading port connecting piece 403, and the top of the grain unloading port connecting piece 403 is fixedly connected to the bottom of the grain silo unloading motor valve device 404.
[0045] Specifically, the grain silo unloading motor valve device 404, the grain unloading port connecting piece 403, and the grain unloading middle-end device 402 are respectively fixed on the conveying trough modular device frame 401 from top to bottom by bolts. The conveying trough modular device frame 401 can play the role of conveying grain, the grain unloading middle-end device 402 can play the role of adjusting the thickness of grain, the grain unloading port connecting piece 403 can play the role of connecting the grain silo unloading motor valve device 404 and the grain unloading middle-end device 402, thereby transferring grain, and the grain silo unloading motor valve device 404 can play the role of controlling the valve opening state, thereby transporting the grain in the granary.
[0046] Please see attached Figure 1 -Attached Figure 8 The scraper chain 500 includes a side scraper chain 501 without holes and a side scraper chain 502 with holes. The outer wall of the side scraper chain 502 with holes is fixedly connected with a scraper rubber sheet 503 by bolts, and the side scraper chain 501 without holes and the side scraper chain 502 with holes are connected to the outer wall of the chain by a pin shaft.
[0047] Specifically, the hole-free scraper chain 501 can be used to transport grain, and the side scraper chain 502 with holes can be used to install the scraper rubber sheet 503. There is a scraper rubber sheet 503 at a small interval in the scraper chain 500, which can effectively clean the grain and its impurities.
[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A modular single-chain grain scraper with a grain silo unloading device, comprising a grain silo unloading scraper supporting device (400), characterized in that: The grain silo unloading scraper supporting device (400) is provided with a motor drive device (100) and a sprocket driven device (200) at both ends; a first conveying trough modular device (310), a second conveying trough modular device (320) and a third conveying trough modular device (330) are provided between the grain silo unloading scraper supporting device (400), the motor drive device (100) and the sprocket driven device (200); the motor drive device (100) and the sprocket driven device (200) are connected via a scraper chain (500); the motor drive device (100) is used to drive the scraper The scraper chain (500) is used for adjusting the tension of the scraper chain (500); the first conveying trough modular device (310), the second conveying trough modular device (320) and the third conveying trough modular device (330) are used for transporting grain; the grain silo unloading scraper supporting device (400) is used for transporting grain in the silo to the first conveying trough modular device (310), the second conveying trough modular device (320) and the third conveying trough modular device (330); and the scraper chain (500) is used for driving the movement of grain.
2. A modular single-chain grain scraper with a grain silo unloading device according to claim 1, characterized in that: The motor drive device (100) comprises a motor drive device frame (101), a driving safety switch device (103) is fixedly arranged on the top of the motor drive device frame (101), a grain unloading motor valve device (104) is arranged on the bottom of the motor drive device frame (101), a driving end grain unloading port (106) is opened at the bottom of the grain unloading motor valve device (104), motor drive device support frames (105) are arranged at both ends of the grain unloading motor valve device (104), the top of the motor drive device support frame (105) is fixedly connected to the bottom of the motor drive device frame (101), a motor and sprocket assembly device (102) is arranged on the upper part of the grain unloading motor valve device (104), and the outer wall of the motor in the motor and sprocket assembly device (102) is fixed to the outer wall of the motor drive device frame (101).
3. The modular single-chain grain scraper with a grain silo unloading device according to claim 1, characterized in that: The sprocket follower (200) comprises a sprocket follower frame (201), a driven sprocket and a bearing and a bearing seat device (202) are arranged inside the sprocket follower frame (201), a sprocket rear grain blocking device (203) is arranged on the side wall of the sprocket rear grain blocking device (203), a sprocket double-sided four-screw tensioning device (204) is fixedly arranged on the rear side of the sprocket follower frame (201), a sprocket follower outer cover (205) is arranged on both sides of the sprocket follower frame (201), and a sprocket follower connecting piece (206) is arranged on the front side of the sprocket follower frame (201).
4. The modular single-chain grain scraper with a grain silo unloading device according to claim 1, characterized in that: The first conveying trough modular device (310) comprises a first conveying trough modular device frame (311), a first chain support roller (313) is arranged inside the first conveying trough modular device frame (311), a first rubber bottom plate (314) is arranged at the bottom of the first conveying trough modular device frame (311), and the end of the first conveying trough modular device frame (311) is connected to a first connecting piece (312) by bolts.
5. The modular single-chain grain scraper with a grain silo unloading device according to claim 1, characterized in that: The second conveying trough modular device (320) comprises a second conveying trough modular device frame (321), the inner bottom of the second conveying trough modular device frame (321) is provided with a second rubber bottom plate (322), the interior of the second conveying trough modular device frame (321) is provided with a first chain support roller (313), and the side wall of the second conveying trough modular device frame (321) is provided with a second conveying trough observation window (323).
6. The modular single-chain grain scraper with a grain silo unloading device according to claim 1, characterized in that: The third conveying trough modular device (330) comprises a third conveying trough modular device frame (331), a first chain support roller (313) is arranged inside the third conveying trough modular device frame (331), and a third rubber bottom plate (332) is arranged at the inner bottom of the third conveying trough modular device frame (331).
7. The modular single-chain grain scraper with a grain silo unloading device according to claim 1, characterized in that: The grain silo unloading scraper supporting device (400) includes a conveying trough modular device frame (401), the top of the conveying trough modular device frame (401) is fixedly connected to a grain unloading mid-end device (402), the top of the grain unloading mid-end device (402) is connected to the bottom of a grain unloading port connecting piece (403), and the top of the grain unloading port connecting piece (403) is fixedly connected to the bottom of a grain silo unloading motor valve device (404).
8. The modular single-chain grain scraper with a grain silo unloading device according to claim 7, characterized in that: The scraper chain (500) comprises a scraper chain (501) without side holes and a scraper chain (502) with side holes, the outer wall of the scraper chain (502) with side holes is fixedly connected with a scraper rubber sheet (503) by bolts, and the scraper chain (501) without side holes and the scraper chain (502) with side holes are connected to the outer wall of the chain by a pin shaft.
Citation Information
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