Arc-shaped frame ring unit shape correcting equipment

Abstract

The utility model provides an arc-shaped frame ring unit shape correcting device which comprises a base, a front limiting piece, a jacking piece and a driving mechanism. The front limiting pieces are arranged on the base, the number of the front limiting pieces is two, and the two front limiting pieces are spaced from each other in the length direction of the base; the top pressing piece is arranged on the base in a sliding mode, and the top pressing piece is located between the two front limiting pieces in the length direction of the base; the sliding direction of the jacking piece is along the width direction of the base; the driving mechanism is connected with the jacking piece and used for driving the jacking piece to slide. Compared with the prior art, the arc-shaped frame ring unit shape correcting equipment has the advantages that the shape correcting cost can be reduced, the shape correcting efficiency is improved, and parts are not prone to being damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of shape correction equipment, in particular to a shape correction equipment for an arc-shaped frame ring unit. Background Art

[0002] The rocket shell is primarily composed of a skin, stringers, and a frame ring. The frame ring and stringers form a cylindrical framework, riveted to the skin to form a "cylindrical" shell. The frame ring is a critical radial load-bearing component in each section of the rocket structure, and its radius is related to the diameter of the corresponding rocket.

[0003] The frame ring is composed of three or four arc-shaped frame ring units, which are typically made of heat-treatable aluminum alloy. The frame ring units need to be formed before and after heat treatment. For example, after heat treatment, the frame ring units may deform due to heat treatment, so they need to be trimmed and reshaped.

[0004] However, in the prior art, the curvature of the frame ring unit is mainly adjusted manually with the corresponding trimming molds. The surface of the frame ring unit is knocked to release the internal stress of the part, so as to trim the frame ring unit to the ideal arc profile. This method requires the manufacture of different steel trimming molds for frame ring units with different cross-sectional shapes, which requires a long preparation time and high investment costs. In addition, manual trimming is difficult and requires a certain level of operator ability. In addition, manual trimming damages the surface of the part, and the subsequent polishing workload is large. Utility Model Content

[0005] In view of the technical problems in the prior art that arc-shaped frame ring units are trimmed manually with shaping tires, which results in high investment costs, is greatly affected by human factors, takes a long time to trim, and is prone to damage to the surface of parts, the present utility model provides a device for trimming arc-shaped frame ring units, which can bend a portion of the frame ring unit to cause local deformation of the frame ring unit, so that the portion of the frame ring unit that does not meet the standards can be bent to an ideal surface state. The device is simple to operate, can reduce the operator's ability requirements, reduce the impact of human factors on the trimming, reduce the trimming time, and does not require the separate manufacture of different trimming tires, thereby also reducing investment costs. At the same time, there is no need to manually knock on the surface of the part, which is not easy to cause damage to the part.

[0006] An arc-shaped frame ring unit correction device includes a base, a front limiter, a top pressure member, and a driving mechanism;

[0007] The front limiter is provided on the base, and two front limiters are provided, and the two front limiters are spaced apart from each other along the length direction of the base;

[0008] The pressing member is slidably disposed on the base, and is located between the two front limiting members along the length direction of the base; the sliding direction of the pressing member is along the width direction of the base;

[0009] The driving mechanism is connected to the pressing member and is used for driving the pressing member to slide.

[0010] Preferably, it further comprises a rear limiter provided on the base;

[0011] Along the width direction of the base, the rear limiting member and the front limiting member are spaced apart from each other;

[0012] There are two rear limit members, and the two rear limit members are spaced apart from each other along the length direction of the base;

[0013] Along the length direction of the base, the pressing member is located between the two rear limiting members.

[0014] Preferably, the rear limiting member is movably arranged on the base;

[0015] The front limiting component is movably arranged on the base.

[0016] Preferably, it further comprises a material placing platform provided on the base;

[0017] The material placing platform is located between the front limiting member and the rear limiting member, and is used to receive the arc-shaped frame ring unit.

[0018] Preferably, it further comprises a clamping mechanism, which is provided on the pressing member to compress the arc-shaped frame ring unit.

[0019] Preferably, the clamping mechanism is rotatably disposed on the pressing member, and the rotation axis of the clamping mechanism is along the height direction of the base.

[0020] Preferably, the clamping mechanism includes a rotating arm, a clamping rod, and a first hand wheel;

[0021] The rotating arm can be rotatably arranged on the top pressure member;

[0022] The clamping rod is threadedly connected to the rotating arm to compress the arc-shaped frame ring unit;

[0023] The first hand wheel is arranged at the end of the clamping rod.

[0024] Preferably, the driving mechanism includes a base, a driving rod, and a second hand wheel;

[0025] The seat body is arranged on the base;

[0026] The driving rod is connected to the pressing member and is threadedly connected to the seat body;

[0027] The second hand wheel is arranged at the end of the driving rod.

[0028] Preferably, a guide mechanism is provided on the base, and the guide mechanism includes a guide rail and a slider;

[0029] The guide rail extends along the width direction of the base;

[0030] The pressing member is slidably arranged on the guide rail via the sliding block.

[0031] Preferably, a filling piece is further included, and the filling piece matches the cavity on the arc-shaped frame ring unit.

[0032] Compared with the prior art, the arc-shaped frame ring unit correction device provided by the present invention includes a base, a front limiter, a pressing member, and a driving mechanism; the front limiter is arranged on the base, and there are two front limiters, and the two front limiters are spaced apart from each other along the length direction of the base; the pressing member is slidably arranged on the base, and along the length direction of the base, the pressing member is located between the two front limiters; the sliding direction of the pressing member is along the width direction of the base; the driving mechanism is connected to the pressing member to drive the pressing member to slide. When the arc-shaped frame ring unit correction device is in use, the arc-shaped frame ring unit is placed between the front limiter and the pressing member, and then the pressing member is driven to move by the driving mechanism, thereby pressing the arc-shaped frame ring unit, causing the frame ring unit to undergo local deformation, so that the unqualified parts of the frame ring unit can reach the ideal surface state through bending. The arc frame ring unit shaping equipment is easy to operate, can reduce the operator's ability requirements, reduce the impact of human factors on shaping, reduce the length of time required for trimming, and can reduce costs, while not easily causing damage to the surface of parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0034] Figure 1 A schematic diagram of the three-dimensional structure of an arc frame ring unit correction device provided in an embodiment;

[0035] Figure 2 for Figure 1 a front view of the device shown;

[0036] Figure 3 for Figure 1 Rear view of the device shown;

[0037] Figure 4 for Figure 1 a top view of the device shown;

[0038] Figure 5 for Figure 1 a side view of the device shown;

[0039] Figure 6 To adopt Figure 1 Schematic diagram of the principle of shape correction of the equipment shown. DETAILED DESCRIPTION

[0040] In order to help those skilled in the art better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making any creative efforts shall fall within the scope of protection of this application.

[0041] It should be noted that when a component is referred to as being “fixed on”, “mounted on” or “set on” another component, it can be directly on the other component or indirectly set on the other component; when a component is “connected” to another component, or a component is referred to as being “connected to” another component, it can be directly connected to the other component or indirectly connected to the other component.

[0042] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0043] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. Throughout the description of this application, "plurality" or "several" means two or more, unless otherwise specifically defined.

[0044] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the efficacy and purpose that can be achieved by this application.

[0045] The utility model provides a device for calibrating an arc-shaped frame ring unit, which includes a base, a front limiter, a pressing member, and a driving mechanism; the front limiter is arranged on the base, and there are two front limiters, and the two front limiters are spaced apart from each other along the length direction of the base; the pressing member is slidably arranged on the base, and along the length direction of the base, the pressing member is located between the two front limiters; the sliding direction of the pressing member is along the width direction of the base; the driving mechanism is connected to the pressing member to drive the pressing member to slide. When the arc-shaped frame ring unit calibrating device is in use, the arc-shaped frame ring unit is placed between the front limiter and the pressing member, and then the pressing member is driven to move by the driving mechanism, thereby pressing the arc-shaped frame ring unit, causing the frame ring unit to undergo local deformation, so that the unqualified parts of the frame ring unit can reach the ideal surface state through bending. The arc frame ring unit shaping equipment is easy to operate, can reduce the operator's ability requirements, reduce the impact of human factors on shaping, reduce the length of time required for trimming, and can reduce costs, while not easily causing damage to the surface of parts.

[0046] Please refer to Figures 1 to 6 This embodiment provides a curved frame ring unit alignment device 100, which is primarily used to align a curved frame ring unit 200. The curved frame ring unit alignment device 100 is primarily used to address the existing issues of manually aligning frame ring units with a molded tire, which suffer from low alignment efficiency, high costs, significant human influence, and easy damage to parts. Specifically, in one embodiment, the frame ring unit 200 is a frame ring unit used on a rocket shell.

[0047] The arc-shaped frame ring unit correction device 100 includes a base 10, a front limiter 20, a top pressure member 30, and a driving mechanism 40. The front limiter 20 is arranged on the base 10, and two front limiters 20 are provided, and the two front limiters 20 are spaced apart from each other along the length direction of the base 10. The top pressure member 30 is slidably arranged on the base 10, and the sliding direction of the top pressure member 30 is along the width direction of the base 10. Along the length direction of the base 10, the top pressure member 30 is located between the two front limiters 20. That is, along the length direction of the base 10, the position of the top pressure member 30 on the base 10 is located in the area between the two limiters 20. The driving mechanism 40 is connected to the top pressure member 30 to drive the top pressure member 30 to slide.

[0048] The length direction of the base 10 is as follows: Figure 1 In the X direction, the width direction of the base 10 is as shown. Figure 1 In the Y direction, the height direction of the base 10 is as follows Figure 1 The Z direction is shown.

[0049] When the arc-shaped frame ring unit shaping device 100 is in use, the frame ring unit 200 is first placed between the front limiter 20 and the pressing member 30, and the two front limiters 20 are respectively pressed against the outer side (or inner side) of the frame ring unit 200. Then, the operator drives the pressing member 30 to slide through the driving mechanism 40, so that the pressing member 30 applies force to the frame ring unit 200 from the inner side (or outer side) of the frame ring unit 200. Utilizing the three-point force principle, the pressing member 30 applies pressure to the frame ring unit 200, and according to the state of the frame ring unit 200, the frame ring unit 200 is given a corresponding degree of deformation, thereby shaping the local curvature of the frame ring unit 200.

[0050] Understandably, in the prior art, the shaping of the frame ring unit is performed manually using a corresponding trimming mold. Different steel trimming molds are required for frame ring units with different cross-sectional shapes, which requires long preparation time and high investment costs. This also requires a certain level of operator skill and is subject to significant human influence. Furthermore, manual tapping can easily damage the component surface.

[0051] The arc-shaped frame ring unit shaping device 100 provided in this embodiment can be adapted to the shaping of various frame ring units by adjusting the position of the top pressure member 30 during use, eliminating the need for the manufacture and use of multiple trimming molds, thereby reducing preparation time, reducing investment costs, shortening the trimming time, and improving shaping efficiency. Furthermore, the arc-shaped frame ring unit shaping device 100 is simple to operate, which can reduce the operator's skill requirements and reduce the impact of human factors on shaping. Simultaneously, during the shaping process, there is no need to knock on the surface of the part, which is less likely to cause damage to the part.

[0052] Preferably, in one embodiment, the arc-shaped frame ring unit correction device 100 also includes a rear limit member 50 provided on the base 10. Along the width direction of the base 10, the rear limit member 50 and the front limit member 20 are spaced apart from each other. There are two rear limit members 50, and the two rear limit members 50 are spaced apart along the length direction of the base 10. Along the length direction of the base 10, the top pressure member 30 is located between the two rear limit members 50. By providing the rear limit member 50, the frame ring unit 200 can be placed at different positions on the base 10, so that the frame ring unit 200 can be quickly corrected, making the operation more convenient. For example, the frame ring unit 200 can be placed between the pressing member 30 and the front limiting member 20, the front limiting member 20 presses against the outer side of the frame ring unit 200, and the pressing member 30 applies force to the frame ring unit 200 from the inner side of the frame ring unit 200, so as to retract the frame ring unit 200 as a whole. Alternatively, the frame ring unit 200 can be placed between the pressing member 30 and the rear limiting member 20, the rear limiting member 20 presses against the inner side of the frame ring unit 200, and the pressing member 30 applies force to the frame ring unit 200 from the outer side of the frame ring unit 200, so as to expand the frame ring unit 200 as a whole outward. The radius of the frame ring unit 200 can be adjusted to be larger or smaller.

[0053] Preferably, in one embodiment, the front limiting member 20 and the rear limiting member 50 are both columnar structures, so as to avoid leaving indentations on the frame ring unit 200. Specifically, the front limiting member 20 and the rear limiting member 50 are made of steel.

[0054] Preferably, in one embodiment, the rear limit member 50 is movably provided on the base 10, and the front limit member 20 is movably provided on the base 10. The movably provided means that one component is provided on another component through a movable connecting member, so that the component can be fastened to the other component (or the component can be loosened from the other component) according to actual needs. For example, in one embodiment, the front limit member 20 is fastened to the base 10 by bolts, so that when the position of the front limit member 20 needs to be adjusted, the bolts can be loosened and then the front limit member 20 can be moved. After the position of the front limit member 20 is adjusted, the bolts can be tightened to fix the front limit member 20 to the base 10. Similarly, the rear limit member 50 can also be fastened to the base 10 by bolts.

[0055] Preferably, in one embodiment, the rear limit member 50 can be adjusted in position along the length direction of the base 10. That is, along the length direction of the base 10, the spacing between the two rear limit members 50 can be adjusted according to actual needs. The front limit member 20 can be adjusted in position along the length direction of the base 10. That is, along the length direction of the base 10, the spacing between the two front limit members 20 can also be adjusted according to actual needs. Therefore, when in use, the position of the limit column can be appropriately adjusted left and right according to the size of the different correction areas on the frame ring unit 200. It also allows the arc-shaped frame ring unit correction device 100 to be adapted to the use of frame ring units 200 of different sizes. Specifically, a first slide groove 11 and a second slide groove 12 are provided on the base 10, and the first slide groove 11 and the second slide groove 12 both extend along the length direction of the base 10. The front limit member 20 is arranged at the first slide groove 11, and the rear limit member 50 is arranged at the second slide groove 12. When adjusting the position of the front stopper 20, the front stopper 20 is slid in the first chute 11. Guided by the first chute 11, the position of the front stopper 20 can be quickly adjusted. Similarly, the provision of the second chute 12 also facilitates adjustment of the position of the rear stopper 50. In one embodiment, to avoid the drive mechanism 40, two second chute 12s can be provided, with the two second chute 12s spaced apart from each other, and one rear stopper 50 is correspondingly provided in one of the second chute 12s.

[0056] Preferably, in one embodiment, the arc-shaped frame ring unit shaping device 100 further includes a material placement platform 60 provided on the base 10. The material placement platform 60 is located between the front limit member 20 and the rear limit member 50, and the material placement platform 60 is used to receive the frame ring unit 200. That is to say, in this embodiment, the arc-shaped frame ring unit shaping device 100 specifically receives the frame ring unit 200 through the material placement platform 60, thereby raising the position of the frame ring unit 200 to facilitate shaping of the frame ring unit 200. Specifically, in one embodiment, two material placement platforms 60 are provided, and the two material placement platforms 60 are spaced apart from each other to avoid the top pressure member 30.

[0057] Preferably, in one embodiment, the arc-shaped frame ring unit correction device 100 further includes a clamping mechanism 70, which is provided on the top pressure piece 30 to compress the frame ring unit 200. The setting of the clamping mechanism 70 can fix and limit the frame ring unit 200 in the vertical direction to prevent the frame ring unit 200 from opening and deforming during the pressure application process of the top pressure piece 30. When the arc-shaped frame ring unit correction device 100 is in use, the top pressure piece 30 can be first moved to a position close to the frame ring unit 200, and then the frame ring unit 200 can be fixed and limited in the vertical direction by the clamping mechanism 70.

[0058] Preferably, in one embodiment, the clamping mechanism 70 is rotatably disposed on the top pressure member 30, and the rotation axis of the clamping mechanism 70 is along the height direction of the base 10. That is, in this embodiment, the clamping mechanism 70 can be rotated in the horizontal direction, so as to better adapt to the use of the frame ring unit 200 in different positions.

[0059] Preferably, in one embodiment, the clamping mechanism 70 includes a rotating arm 71, a clamping rod 72, and a first handwheel 73. The rotating arm 71 is rotatably mounted on the pressure member 30, the clamping rod 72 is threadedly connected to the rotating arm 71 to compress the frame ring unit 200, and the first handwheel 73 is disposed at the end of the clamping rod 72. That is, in this embodiment, the clamping mechanism 70 is a manual clamping mechanism of the support arm type. During use, the operator manually cranks the first handwheel 73 to compress the frame ring unit 200. Of course, in other embodiments, the clamping mechanism 70 can also take other forms, as long as it can move up and down to clamp the frame ring unit 200. For example, in one embodiment, a cylinder can be used as a power source to clamp the frame ring unit 200. The manual structure used in this embodiment can reduce manufacturing costs and maintenance costs.

[0060] Specifically, in one embodiment, the clamping mechanism 70 is made of steel.

[0061] Preferably, in one embodiment, the driving mechanism 40 includes a base 41, a driving rod 42, and a second hand wheel 43. The base 41 is arranged on the base 10, the driving rod 42 is connected to the pressing member 30, and the driving rod 42 is threadedly connected to the base 41, and the second hand wheel 43 is arranged at the end of the driving rod 42. That is to say, in this embodiment, the driving mechanism 40 is also a manual driving mechanism. When in use, the operator manually cranks the second hand wheel 43 to drive the driving rod 42 to move, thereby driving the pressing member 30 to move through the driving rod 42, thereby adjusting the position of the pressing member 30 and allowing the pressing member 30 to apply pressure to the frame ring unit 200. Of course, in other embodiments, the driving mechanism can also adopt other forms, as long as it can achieve the purpose of driving the pressing member 30 to move, thereby applying pressure to the frame ring unit 200. For example, in one embodiment, a motor can be used as a power source to drive the pressing member 30 to move. The manual structure adopted in this embodiment can lower the manufacturing cost and also reduce the maintenance cost.

[0062] Preferably, in one embodiment, a guide mechanism 80 is provided on the base 10, and the guide mechanism 80 includes a guide rail 81 and a slider 82. The guide rail 81 extends along the width direction of the base 10. The pressing member 30 is slidably disposed on the guide rail 81 via the slider 82. The provision of the guide mechanism 80 can guide the pressing member 30 during its movement, ensuring that when the driving mechanism 40 drives the pressing member 30 to move, the pressing member 30 can move in a desired direction.

[0063] Preferably, in one embodiment, the arc-shaped frame ring unit correction device 100 further includes a filling piece 90, and the filling piece 90 matches the cavity 210 on the frame ring unit 200. The matching of the filling piece 90 with the cavity 210 means that the shape and size of the filling piece 90 match the shape and size of the required filling position of the cavity 210, so that when the frame ring unit 200 is corrected, the filling piece 90 can be placed in the cavity 210 to fill the cavity 210. For example, in Figure 1In the illustrated embodiment, the cavity 210 includes a first cavity 210 located on the upper and lower sides of the frame ring unit 200 and a second cavity 220 located in the center of the frame ring unit 200. Correspondingly, the filler 90 includes a first filler 91 for filling the first cavity 210 and a second filler 92 for filling the second cavity 220. Specifically, the filler 90 can be made of polyethylene sheet. During the shaping of the frame ring unit 200, the uniform deformation of the filler 90 causes a corresponding uniform deformation of the frame ring unit 200, eliminating direct contact between the frame ring unit 200 and the pressing member 30 (the clamping mechanism 70). It is understood that the filler 90 can be pre-prepared in multiple different sizes, allowing different fillers 90 to be selected for use depending on the cross-section of the part. By replacing fillers 90 with different shapes for frame ring parts with different cross-sectional shapes and radii, various types of parts can be shaped for curvature, providing high versatility.

[0064] Specifically, in one embodiment, the base 10 is a steel (or cast iron) structure in the form of a bracket.

[0065] The arc-shaped frame ring unit shaping device 100 is primarily used for shaping aluminum alloy sheet and profile frame unit components. Frame unit diameters typically range from 2m to 5m, with angles of 90°, 120°, and 180°, in the form of quarter, third, and half frames. This device uses top bending to correct localized curvature deviations in components, bringing the overall curvature closer to the ideal arc to meet assembly requirements.

[0066] The arc-shaped frame ring unit correction device 100 can reduce the investment in special trimming molds, shorten the construction period, reduce investment costs, reduce the trimming difficulty, reduce the trimming time, reduce the trimming marks on the part surface, and improve the surface quality of the part.

[0067] The above is only an embodiment of the present invention. It should be pointed out that those skilled in the art can make improvements without departing from the inventive concept of the present invention, but these improvements are all within the scope of protection of the present invention.

Claims

1. A curved frame ring unit correction device, characterized in that: It includes a base, a front limiter, a top pressure piece, and a driving mechanism; The front limiter is provided on the base, and two front limiters are provided, and the two front limiters are spaced apart from each other along the length direction of the base; The pressing member is slidably disposed on the base, and is located between the two front limiting members along the length direction of the base; the sliding direction of the pressing member is along the width direction of the base; The driving mechanism is connected to the pressing member and is used for driving the pressing member to slide.

2. The arc frame ring unit correction device according to claim 1, characterized in that: It also includes a rear limiter provided on the base; Along the width direction of the base, the rear limiting member and the front limiting member are spaced apart from each other; There are two rear limit members, and the two rear limit members are spaced apart from each other along the length direction of the base; Along the length direction of the base, the pressing member is located between the two rear limiting members.

3. The arc frame ring unit correction device according to claim 2, characterized in that: The rear limiting member is movably arranged on the base; The front limiting component is movably arranged on the base.

4. The arc frame ring unit correction device according to claim 2, characterized in that: It also includes a material placement platform arranged on the base; The material placing platform is located between the front limiting member and the rear limiting member, and is used to receive the arc-shaped frame ring unit.

5. The arc frame ring unit correction device according to claim 1, characterized in that: It also includes a clamping mechanism, which is arranged on the top pressing piece and is used to press the arc-shaped frame ring unit.

6. The arc frame ring unit correction device according to claim 5, characterized in that: The clamping mechanism is rotatably disposed on the pressing member, and a rotation axis of the clamping mechanism is along a height direction of the base.

7. The arc frame ring unit correction device according to claim 6, characterized in that: The clamping mechanism includes a rotating arm, a clamping rod, and a first hand wheel; The rotating arm can be rotatably arranged on the top pressure member; The clamping rod is threadedly connected to the rotating arm to compress the arc-shaped frame ring unit; The first hand wheel is arranged at the end of the clamping rod.

8. The arc frame ring unit correction device according to claim 1, characterized in that: The driving mechanism includes a seat body, a driving rod, and a second hand wheel; The seat body is arranged on the base; The driving rod is connected to the pressing member and is threadedly connected to the seat body; The second hand wheel is arranged at the end of the driving rod.

9. The arc frame ring unit correction device according to claim 1, characterized in that: The base is provided with a guide mechanism, which includes a guide rail and a slider; The guide rail extends along the width direction of the base; The pressing member is slidably arranged on the guide rail via the sliding block.

10. The arc frame ring unit correction device according to any one of claims 1 to 9, characterized in that: It also includes a filling piece, which matches the cavity on the arc-shaped frame ring unit.

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