An angle-adjustable spade
The adjustable-angle shovel structure solves the problem of high shovel cost in the suspension roller mill, and enables flexible adjustment of the shovel angle and position to adapt to the processing needs of different materials, thereby reducing production costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 黎明重工股份有限公司
- Filing Date
- 2025-06-30
- Publication Date
- 2026-06-02
AI Technical Summary
The design of irregularly shaped blades for existing suspension roller mills is costly and has a long production cycle, making it difficult to adapt to the blade angle requirements of different materials.
It adopts an adjustable-angle blade structure, and the blade angle can be adjusted by adjusting the adjustment seat connected by bolts. It includes components such as blade, blade holder, support plate, rotating plate and pad, so as to realize flexible adjustment of blade angle and position.
It reduces the manufacturing cost of the scraper, improves adaptability, and can adjust the scraper angle and position according to different material requirements. It has a simple structure and is easy to use.
Smart Images

Figure CN224308526U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of shovel technology for suspension roller mills, specifically to an adjustable angle shovel. Background Technology
[0002] Suspension roller mills are widely used in metallurgy, building materials, chemical industry, mining, highway construction, water conservancy and hydropower and other industries for crushing and grinding mineral materials. The suspension roller mill mainly consists of a main unit, analyzer, powder collector, fan, and pipelines. Qualified particle size materials in the hopper are continuously fed into the main grinding chamber by a feeder for grinding. The ground powder is carried away by the airflow blown into the mill by a centrifugal fan, and then classified by the analyzer. Powder meeting the fineness requirements is carried by the airflow through the pipeline into the cyclone powder collector for separation and collection. The finished powder is discharged through the discharge valve, and the separated airflow is drawn into the centrifugal fan through the return air pipe at the top of the cyclone powder collector. Unqualified powder, after being separated by the analyzer, is thrown against the cylinder wall, falls down the cylinder wall, and returns to the mill for further grinding.
[0003] The main unit of a suspension roller mill is a powder-making device. It rotates a main shaft, which drives a hanger, which in turn drives the grinding shaft. The hanger, shovel holder, shovel disc, and shovel are bolted together. As the main shaft rotates, the shovel also rotates, scattering material onto the machine base. The shovel is at an angle to the machine base, and the grinding ring is mounted on the base. When the main shaft rotates, it drives the shovel and grinding roller to rotate together. The shovel scoops up the material from the machine base and feeds it between the grinding roller and grinding ring. The material is ground into powder under the pressure of the grinding roller, and an airflow blows the powder into a classifier for separation. The angle of the shovel determines whether material can be fed between the grinding roller and grinding ring. Different materials have different specific gravities, and at the same rotation speed, the height to which they are lifted varies. Therefore, the shovel angle varies for different materials. Currently, the method used is to design shovels with different angles for different materials. However, the shovels are irregularly shaped parts, usually made from castings, which have high raw material manufacturing costs, long production cycles, and high processing costs. Utility Model Content
[0004] The purpose of this utility model is to provide an adjustable angle shovel blade. The shovel blade is installed at a fixed angle, and the angle of the shovel blade is adjusted by an adjustment seat connected by bolts. Its structure is simple and the cost is low.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: an adjustable angle shovel blade, comprising a shovel blade and a shovel blade holder. The shovel blade consists of a front shovel blade, a rear shovel blade, and a support plate. The front or rear shovel blade is composed of a sloping panel, a curved panel, and a side plate. The sloping panel is fastened to the support plate by bolts. The front and rear shovel blades are smoothly connected. The shovel blade holder includes a mounting base and a mounting plate. The mounting base is fixedly connected to the mounting plate. The mounting plate is bolted to the support plate, and an adjustment seat is provided at the connection between the two.
[0006] Furthermore, the adjusting seat includes a base plate, a rotating plate, a rotating shaft, and a pad. The base plate is also provided with a circular slot. The base plate is fastened to the support plate by bolts. The base plate is fixedly connected to the rotating plate. One end of the rotating shaft is rotatably connected to the middle of the outer side of the rotating plate, and the other end is rotatably connected to the side of the mounting seat. The pad has a wedge-shaped structure. Its top surface is connected to the bottom surface of the base plate by bolts, and its bottom surface is connected to the mounting plate by bolts.
[0007] Furthermore, the mounting base has through holes on both sides for mounting the rotating shaft, and bearings are installed at both ends of the through holes. The outer side of the rotating plate also has a through hole in the middle for mounting the rotating shaft, and bearings are installed at the end of the through hole. The mounting base and the rotating plate are rotatably connected by the rotating shaft.
[0008] Furthermore, the mounting base has two sets of arc-shaped slots on its side near the rotating plate, with the center of the arc coinciding with the center of the through hole, and the two arc-shaped slots are symmetrically distributed along the vertical plane.
[0009] Furthermore, two cylindrical heads are provided on the outer surface of the rotating plate. The two cylindrical heads are symmetrically distributed along the vertical plane and located on the rotation path of the arc-shaped slot.
[0010] Furthermore, the support plate is also provided with a circular groove for connecting the mounting plate, so that the support plate and the mounting plate can be connected in a staggered manner when the bolts are fixed, and the offset distance can be adjusted along the direction of the circular groove.
[0011] The beneficial effects of this utility model are: 1) This utility model is provided with an adjustment seat, which is rotatably connected to the mounting seat through a rotating plate, driving the base plate and support plate to rotate along the rotating axis, and the base plate, support plate and mounting plate are fixedly connected by pads and bolts. When in use, the rotation angle between the support plate and the mounting seat is adjusted by rotating, so that the rotation angle between the shovel and the mounting seat is changed. At the same time, the support plate and the base plate on which the shovel is mounted are provided with circular slots to adjust the distance between them by offset adjustment. The shovel can move back and forth along the direction of the support plate. The shovel is installed at an angle on the support plate. When it moves back and forth, the height position of the shovel will change. With the help of the rotating axis, the angle and position of the shovel can be freely adjusted. The structure is simple and easy to use. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of this utility model.
[0013] Figure 2 This is a front view of the present invention.
[0014] Figure 3 This is a structural diagram of the adjusting seat in this utility model.
[0015] Figure 4 This is a cross-sectional view of the mounting base in this utility model.
[0016] Figure 5 This is a longitudinal sectional view of the mounting base in this utility model.
[0017] In the diagram: 1. Shovel blade; 2. Shovel blade holder; 3. Front shovel blade; 4. Rear shovel blade; 5. Support plate; 6. Sloping panel; 7. Curved panel; 8. Side plate; 9. Mounting base; 10. Mounting plate; 11. Adjusting base; 12. Base plate; 13. Rotating plate; 14. Rotating shaft; 15. Pad; 16. Circular groove; 17. Through hole; 18. Bearing; 19. Arc groove; 20. Cylindrical head. Detailed Implementation
[0018] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments.
[0019] Example: As shown in the figure, the adjustable angle shovel of this utility model includes a shovel 1 and a shovel holder 2. The shovel 1 is composed of a front shovel 3, a rear shovel 4 and a support plate 5. The front shovel 3 or the rear shovel 4 is composed of a sloping panel 6, a curved panel 7 and a side plate 8. The sloping panel 6 is fastened to the support plate 5 by bolts. The front shovel 3 and the rear shovel 4 are smoothly connected. The shovel holder 2 includes a mounting base 9 and a mounting plate 10. The mounting base 9 is fixedly connected to the mounting plate 10. The mounting plate 10 is bolted to the support plate 5, and an adjustment seat 11 is provided at the connection between the two.
[0020] The adjusting seat 11 includes a base plate 12, a rotating plate 13, a rotating shaft 14, and a pad 15. The base plate 12 has a circular slot 16. The base plate 12 is fastened to the support plate 5 with bolts. The base plate 12 is fixedly connected to the rotating plate 13. One end of the rotating shaft 14 is rotatably connected to the middle of the outer side of the rotating plate 13, and the other end is rotatably connected to the side of the mounting seat 9. The pad 15 has a wedge-shaped structure; its top surface is bolted to the bottom surface of the base plate 12, and its bottom surface is bolted to the mounting plate 10. The support plate 5 also has a circular slot 16 for connecting to the mounting plate 10, allowing the support plate 5 and the mounting plate 10 to be misaligned when the bolts are fixed, and the offset distance can be adjusted along the direction of the circular slot 16.
[0021] refer to Figure 1-3In this embodiment, the rotating plate 13 is rotatably connected to the mounting base 9, driving the base plate 12 and support plate 5 to rotate along the rotating shaft 14. The base plate 12, support plate 15, and mounting plate 10 are fixedly connected by pads 15 and bolts. During use, the rotation angle between the support plate 5 and the mounting base 9 is adjusted by rotating the plate, thus changing the rotation angle between the scraper 1 and the mounting base 9. Simultaneously, circular slots 16 are provided on the support plate 5 and the base plate 12 to adjust the distance between them. The scraper 1 can move back and forth along the support plate 5. The scraper 1 is tilted on the support plate 5, and its height position changes when it moves back and forth. The angle and position of the scraper 1 can be freely adjusted in conjunction with the rotating shaft 14. Depending on different material processing requirements, pads 15 with different inclinations are bolted to the mounting plate 10 and the rotating plate 13, thus changing the angle between the scraper 1 and the scraper holder 2.
[0022] The mounting base 9 has through holes 17 on both sides for mounting the rotating shaft 14. Bearings 18 are installed at both ends of the through holes 17. The rotating plate 13 also has through holes 17 in the middle of its outer side for mounting the rotating shaft 14. Bearings 18 are installed at the ends of the through holes 17. The mounting base 9 and the rotating plate 13 are rotatably connected by the rotating shaft 14.
[0023] refer to Figure 4 In this embodiment, the bearing 18 is fixedly connected to both sides of the mounting base 9 and the outer side of the rotating plate 13, so that the rotating shaft 14 in the through hole 17 can be rotated and connected to the mounting base 9 and the rotating plate 13 without obstruction. The rotation angle between the rotating shaft 14 and the mounting base 9 can be freely adjusted by the bearing 18, thereby changing the position angle of the blade 1.
[0024] The mounting base 9 has two sets of arc-shaped slots 19 on its side near the rotating plate 13. The center of the arc coincides with the center of the through hole 17, and the two arc-shaped slots 19 are symmetrically distributed along the vertical plane. Two cylindrical heads 20 are also provided on the outer surface of the rotating plate 13. The two cylindrical heads 20 are symmetrically distributed along the vertical plane and are located on the rotation path of the arc-shaped slots 19.
[0025] refer to Figure 5 In this embodiment, the cylindrical head 20 and the arc-shaped slot 19 are slidably connected at corresponding positions to limit the rotation of the rotating plate 13 and the mounting base 9. When the rotating plate 13 rotates along the rotating shaft 14, it is tightly connected by the arc-shaped slots 19 on the left and right sides. When the cylindrical head 20 rotates in the arc-shaped slot 19, it can help adjust the angle between the rotating plate 13 and the mounting plate 10, which makes it easy to use the pad 15 on the mounting plate 10 to fix the rotating plate 13.
[0026] This utility model is equipped with an adjustment seat, which is rotatably connected to the mounting seat via a rotating plate. This causes the base plate and support plate to rotate along the rotating axis. The base plate, support plate, and mounting plate are fixedly connected by pads and bolts. In use, the rotation angle between the support plate and the mounting seat is adjusted by rotating the plate, thereby changing the rotation angle between the blade and the mounting seat. At the same time, circular slots are provided on the support plate and the base plate where the blade is mounted to allow for offset adjustment of the distance between them. The blade can move back and forth along the direction of the support plate. The blade is mounted at an angle on the support plate, and its height position changes when it moves back and forth. With the help of the rotating axis, the angle and position of the blade can be freely adjusted. The structure is simple and easy to use.
[0027] The above description is only used to illustrate the technical solution of this utility model and is not intended to limit it. Any other modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model, as long as they do not depart from the spirit and scope of the technical solution of this utility model, should be covered within the scope of the claims of this utility model.
Claims
1. An adjustable angle shovel, characterized in that: The device includes a shovel blade and a shovel blade holder. The shovel blade consists of a front shovel blade, a rear shovel blade, and a support plate. The front or rear shovel blade is composed of a sloping panel, a curved panel, and a side plate. The sloping panel is fastened to the support plate by bolts. The front and rear shovel blades are smoothly connected. The shovel blade holder includes a mounting base and a mounting plate. The mounting base is fixedly connected to the mounting plate. The mounting plate is bolted to the support plate, and an adjustment seat is provided at the connection between the two.
2. The adjustable angle shovel according to claim 1, characterized in that: The adjusting seat includes a base plate, a rotating plate, a rotating shaft, and a pad. The base plate is also provided with a circular groove. The base plate is fastened to the support plate by bolts. The base plate is fixedly connected to the rotating plate. One end of the rotating shaft is rotatably connected to the middle of the outer side of the rotating plate, and the other end is rotatably connected to the side of the mounting seat. The pad has a wedge-shaped structure. Its top surface is connected to the bottom surface of the base plate by bolts, and its bottom surface is connected to the mounting plate by bolts.
3. An adjustable angle shovel according to claim 2, characterized in that: The mounting base has through holes on both sides for mounting the rotating shaft, and bearings are installed at both ends of the through holes. The outer side of the rotating plate also has a through hole in the middle for mounting the rotating shaft, and bearings are installed at the end of the through hole. The mounting base and the rotating plate are rotatably connected by the rotating shaft.
4. An adjustable angle shovel according to claim 3, characterized in that: The mounting base has two sets of arc-shaped slots on its side near the rotating plate. The center of the arc coincides with the center of the through hole, and the two arc-shaped slots are symmetrically distributed along the vertical plane.
5. An adjustable angle shovel according to claim 4, characterized in that: Two cylindrical heads are also provided on the outer surface of the rotating plate. The two cylindrical heads are symmetrically distributed along the vertical plane and are located on the rotation path of the arc-shaped slot.
6. An adjustable angle shovel according to claim 1, characterized in that: The support plate is also provided with a circular groove for connecting the mounting plate, so that the support plate and the mounting plate can be connected in a staggered manner when the bolts are fixed, and the offset distance can be adjusted along the direction of the circular groove.