Spherical agricultural product multi-row grading electromagnetic drive execution device

By designing an electromagnetic drive actuator, the problems of low efficiency and large footprint in weighing and grading spherical agricultural products have been solved. This has enabled a highly efficient grading process with no waiting time, improving sorting efficiency and maintaining the integrity of agricultural products.

CN117123510BActive Publication Date: 2026-02-03HUAZHONG AGRI UNIV +1
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Patent Information

Application Number
CN202311097236.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-08-29
Publication Date
2026-02-03
Estimated Expiration
2043-08-29

AI Technical Summary

Technical Problem

Existing spherical agricultural product weighing and grading devices are inefficient, occupy a large area, and are prone to damaging agricultural products. Existing mechanical intermittent weighing and grading methods have low accuracy, and efficiency is inversely proportional to the integrity rate.

Method used

The device employs an electromagnetic drive actuator, which includes feeding, weighing, grading, and discharging sections. It utilizes electromagnets or cylinders as grading actuators and achieves efficient grading of multiple rows of agricultural products through the cooperation of grading plates, limit plates, and torsion springs.

Benefits of technology

It achieves an efficient, time-free grading process, improves sorting efficiency, reduces floor space, and maintains the integrity of agricultural products.

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Abstract

The application discloses a kind of spherical agricultural products multi-row grading electromagnetic drive execution devices, adopt electromagnet or air cylinder or electromagnetic coil as the grading execution mechanism of spherical agricultural products such as poultry eggs, and the grading work of spherical agricultural products such as poultry eggs is completed by cooperating with grading plate, limit plate and torsion spring, electromagnet or air cylinder or electromagnetic coil is horizontally staggered and distributed in the form of ladder above grading plate, can not be limited by falling space position when grading execution, and simultaneously grading multiple rows of agricultural products, without waiting time, high sorting efficiency, clever structure design.
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Description

Technical Field

[0001] This invention belongs to the field of agricultural product processing technology, and specifically relates to an electromagnetic drive actuator for multi-row grading of spherical agricultural products. Background Technology

[0002] With the continuous development of society and the improvement of people's living standards, spherical agricultural products such as poultry eggs are appearing on people's tables more and more frequently as highly nutritious foods. The poultry egg industry occupies an important position in the national economy and is one of the pillar industries of my country's agriculture.

[0003] The processing of spherical agricultural products such as poultry eggs mainly consists of five parts: cleaning, drying, disinfection, weighing and grading, and packaging. Among these, weighing and grading is a crucial step, as it facilitates subsequent sales and other processes by weighing and grading spherical agricultural products such as poultry eggs.

[0004] Existing devices typically adjust the position and weigh agricultural products during multi-row movement, then switch to single-row movement. During this movement, a lever is used to move specific grades of agricultural products to specific positions. Furthermore, sorting usually requires waiting for one batch of products to be transported to its designated location before sorting the next batch. This method is inefficient due to the waiting time, and the machine has a large footprint and is quite long. Another method is intermittent mechanical weighing and grading, but this method has lower accuracy, and its efficiency is inversely proportional to the integrity of the agricultural products; higher efficiency increases the likelihood of damage. This method requires improvement. Summary of the Invention

[0005] This invention provides an electromagnetic drive actuator for multi-row grading of spherical agricultural products. The device occupies a small area, has high production efficiency, and a high rate of intact agricultural products.

[0006] To solve the above problems, the technical solution provided by the present invention is as follows:

[0007] This invention provides an electromagnetic drive actuator for multi-row grading of spherical agricultural products, including a feeding and sorting section, a weighing section, a grading execution section, and a discharging section.

[0008] The feeding and organizing section includes a first frame, a rubber roller, gears, racks, a first chain, and a first sprocket. Two first sprockets are located on the inner sides of each side of the first frame and are connected by the first chain. Racks are also installed on both sides of the first frame. The rubber roller is a rotating body with a cross-sectional profile similar to the shape of a spherical agricultural product, and it is mounted on the first chain. The gears are fastened to both sides of the rubber roller and mesh with the racks.

[0009] The weighing section includes bearing seats, a weighing module, paddles, paddle shafts, a second frame, a feeding plate, and a feeding plate bracket. Bearing seats are installed on both sides of the second frame, and the paddle shaft is movably disposed within the bearing seats. The paddles are equidistantly mounted on the paddle shafts. The weighing module overlaps the left and right sides of the third frame and is located directly below the paddles. The feeding plate bracket is adjacent to the weighing module, and a feeding plate is mounted on it, with one end of the feeding plate overlapping the weighing module and the other end overlapping the grading plate.

[0010] The grading execution section includes a third frame, a grading plate, an electromagnet bracket, an electromagnet, a conveyor shaft, a second chain, a second sprocket, a first motor, a third sprocket, a first motor bracket, a conveyor chain, screws, a push rod, a limiting plate, and a torsion spring. The third frame has conveyor chains on both sides and a second sprocket on one end. An electromagnet bracket is installed above the third frame, with electromagnets arranged in a stepped, staggered pattern above the grading plate. The conveyor shaft is screwed to the outer chain plate of the conveyor chain at equal intervals. The grading plate is fitted onto the conveyor shaft via a ring. The limiting plate is screwed onto the conveyor shaft and located on one side of the grading plate. The first motor bracket is mounted on the third frame, and a first motor is mounted on it. A third sprocket is connected to the motor shaft and connected to the second sprocket via a second chain.

[0011] The discharge section includes a fourth frame, a partition plate, a foam-covered roller, a third chain, a fourth sprocket, a second motor, a fifth sprocket, a second motor bracket, a sixth sprocket, and the fourth chain. Two sixth sprockets are located on the inner sides of each side of the fourth frame and are connected by the fourth chain. A fourth sprocket is located on the outer side of one end of the fourth frame. The foam-covered roller is fitted onto the fourth chain. The partition plate is installed above the fourth frame. The second motor bracket is installed on the fourth frame, and a second motor is mounted above the second motor bracket. A fifth sprocket is connected to the motor shaft and is connected to the fourth sprocket via the third chain.

[0012] The grading execution section and the feeding and sorting section are connected by a weighing section and driven by a seventh sprocket, an eighth sprocket, and a fifth chain. The weighing section and the feeding and sorting section are driven by the meshing of a first gear and a second gear.

[0013] Beneficial effects: This invention provides an electromagnetic drive actuator for grading multiple rows of spherical agricultural products. The invention uses an electromagnet, cylinder, or electromagnetic coil as the grading actuator for spherical agricultural products such as poultry eggs. It completes the grading operation of spherical agricultural products such as poultry eggs by cooperating with a grading plate, a limiting plate, and a torsion spring. The electromagnet, cylinder, or electromagnetic coil is horizontally staggered in a stepped manner above the grading plate, which can be used without being limited by the falling space position during grading. It can grade multiple rows of agricultural products at the same time, with no waiting time, high sorting efficiency, and ingenious structural design. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments or prior art, the drawings used in the description of the embodiments or prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a three-dimensional structural schematic diagram of an electromagnetic drive actuator for multi-row grading of spherical agricultural products, provided in an embodiment of this application.

[0016] Figure 2 This is a schematic diagram of the structure of a material feeding and sorting section provided in an embodiment of this application.

[0017] Figure 3 This is a schematic diagram of the structure of a weighing section and a grading execution section provided for an example of this application.

[0018] Figure 4 A schematic diagram of an electromagnet acting on a grading plate in a grading execution section provided as an example of this application.

[0019] Figure 5 This is a schematic diagram of the structure of a graded execution part, including a graded plate, screws, a limiting plate, a torsion spring, a conveyor shaft, and a conveyor chain, provided as an example of this application.

[0020] Figure 6 This is a schematic diagram of the structure of a discharge section provided for an example of this application.

[0021] In the diagram: Feeding and sequencing section 1, first frame 1-1, rubber roller 1-2, gear 1-3, rack 1-4, first chain 1-5, first sprocket 1-6; Weighing section 2, bearing 2-1, weighing module 2-2, lever 2-3, lever shaft 2-4, second frame 2-5, feeding plate 2-6, feeding plate support 2-7; Grading execution section 3, third frame 3-1, grading plate 3-2, electromagnet support 3-3, electromagnet 3-4, conveyor shaft 3-5, second chain 3-6, second sprocket 3-7, first motor 3- 8. Third sprocket 3-9. First motor bracket 3-10. Conveyor chain 3-11. Screw 3-12. Top rod 3-13. Limiting plate 3-14. Torsion spring 3-15. Discharge section 4. Fourth frame 4-1. Separator plate 4-2. Foam-covered roller 4-3. Third chain 4-4. Fourth sprocket 4-5. Second motor 4-6. Fifth sprocket 4-7. Second motor bracket 4-8. Sixth sprocket 4-9. Fourth chain 4-10. Fifth chain 5. Seventh sprocket 6. Eighth sprocket 7. First gear 8. Second gear 9. Detailed Implementation

[0022] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0023] like Figure 1 As shown, this embodiment of the invention provides an electromagnetic drive actuator for multi-row grading of spherical agricultural products. The electromagnetic drive actuator includes a feeding and sorting section 1, a weighing section 2, a grading execution section 3, and a discharging section 4.

[0024] like Figure 2 As shown, the feeding and organizing section 1 includes a first frame 1-1, a rubber roller 1-2, a gear 1-3, a rack 1-4, a first chain 1-5, and a first sprocket 1-6. Two first sprockets 1-6 are provided on the inner sides of each of the two sides of the first frame 1-1, and are connected by the first chain 1-5. A rack 1-4 is also installed on both sides of the first frame 1-1. The rubber roller 1-2 is fitted onto the first chain 1-5, and the gear 1-3 is fastened to both sides of the rubber roller 1-2 and meshes with the rack 1-4.

[0025] like Figure 1 , Figure 3 , Figure 4 , Figure 5As shown, the weighing section 2 includes bearing seats 2-1, a weighing module 2-2, paddles 2-3, paddle shafts 2-4, a second frame 2-5, a feeding plate 2-6, and a feeding plate bracket 2-7. Bearing seats 2-1 are mounted on both sides of the second frame 2-5, and the paddle shaft 2-4 is movably disposed within the bearing seats 2-1. The paddles 2-3 are equidistantly mounted on the paddle shafts 2-4. The weighing module 2-2 overlaps both sides of the third frame 3-1 and is located directly below the paddles 2-3. The feeding plate bracket 2-7 is adjacent to the weighing module 2-2, and the feeding plate 2-6 is disposed on it. One end of the feeding plate 2-6 overlaps with the weighing module 2-2, and the other end overlaps with the grading plate 3-2.

[0026] The grading execution section 3 includes a third frame 3-1, a grading plate 3-2, an electromagnet support 3-3, an electromagnet 3-4, a conveyor shaft 3-5, a second chain 3-6, a second sprocket 3-7, a first motor 3-8, a third sprocket 3-9, a first motor support 3-10, a conveyor chain 3-11, screws 3-12, a push rod 3-13, a limiting plate 3-14, and a torsion spring 3-15. The third frame 3-1 has conveyor chains 3-11 on both sides and a second sprocket 3-7 on one end. An electromagnet support 3-3 is installed above the third frame 3-1, and electromagnets 3-4 are mounted on the electromagnet support 3-3, arranged in a stepped, staggered pattern above the grading plate 3-2. The conveyor shaft 3-5 is connected at both ends to the outer chain plate of the conveyor chain 3-11 by screws 3-12, and the shafts are evenly spaced on the conveyor chain 3-11. The grading plate 3-2 is fitted onto the conveyor shaft 3-5 via a ring. The limiting plate 3-14 is mounted on the conveyor shaft 3-5 with screws and is located on one side of the grading plate 3-2. The first motor bracket 3-10 is mounted on the third frame 3-1, on which the first motor 3-8 is mounted. The motor shaft is connected to the third sprocket 3-9, which is connected to the second sprocket 3-7 via the second chain 3-6.

[0027] The grading plate 3-2 is a flat plate with an arc-shaped curved edge that matches or resembles the shape of a spherical agricultural product. The other three sides, excluding the curved edge, have folded edges, and the shape of the curved edge matches the cross-sectional profile of the spherical agricultural product. A top rod 3-13 is welded onto the grading plate 3-2. A small ball, made of non-magnetic or permanent magnet material, is located at the top of the top rod 3-13. A ring is welded to the folded edge opposite the curved edge of the grading plate 3-2. The inner diameter of the ring matches the outer diameter of the conveyor shaft 3-5, and the ring and the conveyor shaft 3-5 are concentric. Under the action of force, the top rod 3-13 can rotate the grading plate 3-2 around the center of the conveyor shaft by a certain angle (0-75 degrees).

[0028] The torsion spring 3-15 is ring-shaped. One end is inserted into the small hole on the folded edge opposite the curved edge of the grading plate 3-2, and the other end is inserted into the small hole of the conveyor shaft 3-5. When the grading plate 3-2 flips due to the force of the small ball on the top rod 3-13, the torsion spring 3-15 undergoes torsional deformation. After the spherical agricultural product is put down, the grading plate 3-2 rotates in the opposite direction around the axis of the conveyor shaft 3-5 under the action of the torsion spring, returning to the horizontal position. The torsion spring 3-15 also has a certain amount of reserved force to prevent the grading plate 3-2 from flipping under the action of gravity.

[0029] A person or machine places spherical agricultural products such as poultry eggs between two adjacent rubber rollers 1-2. The gears 1-3 on the rubber rollers 1-2 mesh with the racks 1-4 on the first frame 1-1. The feeding and sorting section 1 transmits power from the grading execution section 3 to the first chain 1-5 through the seventh sprocket 6, the eighth sprocket 7, and the fifth chain 5. As the first chain 1-5 moves, the rubber rollers 1-2 rotate around their axis, and the friction between the rubber rollers and the spherical agricultural products such as poultry eggs keeps the products in a stable position.

[0030] The feeding and sorting section 1 transports spherical agricultural products such as poultry eggs to the weighing module 2-2 of the weighing section 2, where it briefly stops to weigh the products. After weighing, the products are graded. A first gear 8 is located at one end of the paddle shaft 2-4. The first gear 8 meshes with a second gear 9 to transmit power, ensuring that the feeding and sorting section 1 and the paddle 2-3 can work together. The paddle 2-3 pushes the spherical agricultural products off the feeding plate 2-6 and onto the grading plate 3-2. The grading plate 3-2 is mounted on the conveyor shaft 3-5 via a ring and can rotate around the axis of the conveyor shaft 3-5. A push rod 3-13 is also welded onto it. The first motor 3-8 of the grading execution section 3 transmits power to the conveyor chain 3-11 via a second sprocket 3-7, a third sprocket 3-9, and a second chain 3-6. The conveyor shaft 3-5 is fixed to the outer chain plate of the conveyor chain 3-11 at both ends with screws 3-12, and moves together with the conveyor chain 3-11. The grading plate 3-2 carries the spherical agricultural products and moves with the conveyor shaft 3-5. The electromagnet 3-4 is installed on the electromagnet bracket 3-3 and is distributed in a stepped staggered manner above the grading plate 3-2. After weighing and grading, the grading plate 3-2 carries the spherical agricultural products to the position of the corresponding grade.

[0031] When the small ball on the push rod 3-13 is made of permanent magnet material, the electromagnet 3-4 is replaced by an electromagnetic coil. The electromagnetic force generated by the energized electromagnetic coil acts on the permanent magnet material ball on the push rod 3-13 in a non-contact manner. When the small ball on the push rod 3-13 is made of non-magnetic material, the electromagnet 3-4 can also be a cylinder. After the electromagnet is energized or the cylinder receives a signal, the movable slide rod of the electromagnet or the piston rod of the cylinder extends and acts on the non-magnetic material ball on the push rod 3-13. The way the movable slide rod of the electromagnet and the piston rod of the cylinder act on the small ball on the push rod 3-13 is a mechanical contact method. When the electromagnetic coil or electromagnet, or cylinder is energized or receives a signal, it applies force simultaneously, through non-contact or contact methods, to the small balls on the top rods 3-13 of the two grading plates 3-2 on the left and right sides of the two adjacent conveyor shafts 3-5. The paired grading plates 3-2 rotate around the center of the conveyor shaft 3-5 at a certain angle. Under the action of gravity, the spherical agricultural products fall through the gaps between the curved edges of the two paired grading plates 3-2 and land on the foam-covered roller 4-3 of the discharge section 4. Simultaneously, the rotation of the grading plates 3-2 causes the torsion spring 3-15 to twist and deform. When the moving slide rod of the electromagnet 3-4 or the piston rod of the cylinder retracts, and the torsion spring 3-15 returns to its original shape when the electromagnetic coil is de-energized, it drives the grading plates 3-2 to reset. The limiting plate 3-14 restricts the grading plates 3-2 to remain in a horizontal position during reset, preventing the grading plates 3-2 from tilting under the action of the torsion spring 3-15.

[0032] like Figure 6 As shown, the discharge section 4 includes a fourth frame 4-1, a partition plate 4-2, a foam-covered roller 4-3, a third chain 4-4, a fourth sprocket 4-5, a second motor 4-6, a fifth sprocket 4-7, a second motor bracket 4-8, a sixth sprocket 4-9, and a fourth chain 4-10. Two sixth sprockets 4-9 are located on the inner sides of each side of the fourth frame and are connected by the fourth chain 4-10. A fourth sprocket 4-5 is located on the outer side of one end of the fourth frame 4-1. The foam-covered roller 4-3 is mounted on the fourth chain 4-10. The partition plate 4-2 is installed above the fourth frame 4-1. The second motor bracket 4-8 is installed on the fourth frame 4-1, and a second motor 4-6 is installed above the second motor bracket 4-8. A fifth sprocket 4-7 is connected to the motor shaft and is connected to the fourth sprocket 4-5 via the third chain 4-4. The second motor 4-6 of the discharge section 4 transmits power to the fourth chain 4-10 through the fifth sprocket 4-7, the fourth sprocket 4-5 and the third chain 4-4.

[0033] When spherical agricultural products such as poultry eggs fall onto the foam-coated roller 4-3 of the discharge section 4, the foam-coated roller 4-3 carries the spherical agricultural products and moves with the fourth chain 4-10. The fourth frame 4-1 is equipped with a partition plate, which allows the spherical agricultural products to be transported by level during the movement, avoiding confusion.

[0034] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications, equivalent substitutions, and improvements made by those skilled in the art within the scope of the technology disclosed in the present invention, and within the spirit and principles of the present invention, should be covered within the scope of protection of the present invention. Those skilled in the art can make various modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the scope defined in the claims.

Claims

1. An electromagnetic drive actuator for multi-row grading of spherical agricultural products, characterized in that, It includes a feeding and sorting section (1), a weighing section (2), a grading execution section (3), and a discharging section (4). The feeding and sorting section (1) and the grading execution section (3) are connected by the weighing section (2), and the discharging section (4) is located below the grading execution section (3). The graded execution part (3) includes a third frame (3-1), a grading plate (3-2), an electromagnet bracket (3-3), an electromagnet (3-4), a conveyor shaft (3-5), a second chain (3-6), a second sprocket (3-7), a first motor (3-8), a third sprocket (3-9), a first motor bracket (3-10), a conveyor chain (3-11), screws (3-12), a push rod (3-13), a limiting plate (3-14), and a torsion spring (3-15); the third frame (3-1) is provided with conveyor chains (3-10) on both sides. 11), a second sprocket (3-7) is provided on the outer side of one end, and an electromagnet bracket (3-3) is installed above the third frame (3-1). Electromagnets (3-4) are provided on the electromagnet bracket (3-3) and are distributed in a stepped staggered manner above the grading plate (3-2). The movable sliding rod of the electromagnet (3-4) can extend and press tightly against the small ball of the top rod (3-13), and apply mechanical force to the small ball of the top rod (3-13) through contact; the conveying shaft (3-5) is connected to the conveying chain (3-1) at both ends by screws (3-12). 1) The outer chain plate is equidistantly arranged on the conveyor chain (3-11) and can move with the conveyor chain (3-11); the grading plate (3-2) is fitted onto the conveyor shaft (3-5) through a ring on it. The ring is concentric with the conveyor shaft (3-5) and can rotate around the axis of the conveyor shaft (3-5); the grading plate (3-2) installed on the conveyor shaft (3-5) is arranged in pairs with the grading plate (3-2) on another adjacent conveyor shaft (3-5). Their curved edges together form a shape that matches the cross-section of the spherical agricultural product, supporting the spherical agricultural product. Above it; the limiting plate (3-14) is installed on the conveying shaft (3-5) by screws and is located on one side of the ring on the grading plate (3-2), which can prevent the grading plate (3-2) from rotating excessively under the action of the torsion spring (3-15) and keep it in a horizontal position; the first motor bracket (3-10) is installed on the third frame (3-1), and the first motor (3-8) is installed on it. The first motor (3-8) shaft is connected to the third sprocket (3-9), which is connected to the second sprocket (3-7) through the second chain (3-6).

2. The electromagnetic drive actuator for multi-row grading of spherical agricultural products according to claim 1, characterized in that, The grading plate (3-2) is a flat plate with an arc-shaped curved edge similar to the shape of a spherical agricultural product. The other three sides, except for the curved edge, have folded edges, and the shape of the curved edge matches the cross-sectional outline of the spherical agricultural product.

3. The electromagnetic drive actuator for multi-row grading of spherical agricultural products according to claim 1, characterized in that, A top rod (3-13) is also welded onto the grading plate (3-2). The top of the top rod (3-13) has a small ball, which is made of non-magnetic material or permanent magnet material.

4. The electromagnetic drive actuator for multi-row grading of spherical agricultural products according to claim 1, characterized in that, A ring is welded on the folded edge opposite the curved edge of the grading plate (3-2). The inner diameter of the ring matches the outer diameter of the conveying shaft (3-5), and the ring and the conveying shaft (3-5) are concentric. Under the action of force, the push rod (3-13) drives the grading plate (3-2) to rotate around the center of the conveying shaft by a certain angle (0-75 degrees).

5. The electromagnetic drive actuator for multi-row grading of spherical agricultural products according to claim 3, characterized in that, When the small ball on the push rod (3-13) is made of permanent magnet material, the electromagnet (3-4) is replaced by an electromagnetic coil. The electromagnetic force generated by the energized electromagnetic coil acts on the permanent magnet material ball on the push rod (3-13) in a non-contact manner. When the small ball on the push rod (3-13) is made of non-magnetic material, the electromagnet (3-4) can also be a cylinder. After the electromagnet is energized or the cylinder receives a signal, the movable slide rod of the electromagnet or the piston rod of the cylinder extends and acts on the non-magnetic material ball on the push rod (3-13). The movable slide rod of the electromagnet and the piston rod of the cylinder act as... The method of using the small ball on the top rod (3-13) is mechanical contact. When the electromagnetic coil or electromagnet or cylinder is energized or receives a signal, the force is applied simultaneously to the small ball on the top rod (3-13) on the left and right grading plates (3-2) of the two adjacent conveying shafts (3-5) through non-contact or contact methods. The two grading plates (3-2) rotate around the center of the conveying shaft (3-5) at a certain angle. Under the action of gravity, the spherical agricultural products fall from the gap of the curved edge of the two pairs of grading plates (3-2) and fall onto the foam-covered roller (4-3) of the discharge section (4).

6. The electromagnetic drive actuator for multi-row grading of spherical agricultural products according to claim 1, characterized in that, The torsion spring (3-15) is ring-shaped, with one end inserted into a small hole on the folded edge opposite the curved edge of the grading plate (3-2), and the other end inserted into a small hole in the conveyor shaft (3-5). When the grading plate (3-2) flips due to the force of the ball on the top rod (3-13), the torsion spring (3-15) undergoes torsional deformation. After the spherical agricultural product is placed down, the grading plate (3-2) rotates in the opposite direction around the axis of the conveyor shaft (3-5) under the action of the torsion spring (3-15) and returns to the horizontal position. The torsion spring (3-15) also has a certain amount of reserved force to prevent the grading plate (3-2) from flipping under the action of gravity.

Citation Information

Patent Citations

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