Tool for overturning large-diameter thin-wall metal barrel section

Abstract

The utility model relates to a tool for turning over a large-diameter thin-wall metal barrel section. The tool comprises a turning frame, a rotation adjusting mechanism, a holding mechanism, a lifting chain, a lifting beam and a traction rope. The overturning frame is of an annular closed, centrosymmetric and / or axisymmetric structure, and a large-diameter thin-wall metal barrel section is arranged in the overturning frame; the rotation adjusting mechanisms are sequentially arranged in the symmetry axis direction of the overturning frame and connected with the overturning frame. The multiple holding mechanisms are sequentially installed on the overturning frame in the circumferential direction of the overturning frame at the same angle. The bottom end of the lifting chain is rotationally mounted on the rotary adjusting mechanism; the lifting beam is connected with the top end of the lifting chain; one end of the traction rope is installed on the overturning frame, and the joint of the traction rope and the overturning frame does not coincide with the installation position of the rotation adjusting mechanism on the overturning frame. According to the utility model, the use quantity of cranes (cranes) can be reduced, the occupied space is reduced, the cost and the operation difficulty are reduced, and the stability and safety of the overturning process are ensured.

Description

Technical Field

[0001] This utility model relates to the field of rocket storage tank technology, and in particular to tooling for flipping large-diameter thin-walled metal cylinder sections. Background Technology

[0002] Rocket propellant tanks are an important component of the rocket's structure, primarily used to store the propellant required for rocket launch, such as liquid oxygen, liquid hydrogen, and kerosene. They play a crucial role during rocket flight. Typically, rocket propellant tanks are large-diameter, thin-walled cylindrical sections.

[0003] During the welding production of rocket propellant tanks, especially when the tanks are welded vertically, some sections require a 180° rotation in both the upper and lower directions. This facilitates the riveting of ring frames and end frames inside the sections. Due to the large size of the rocket propellant tanks, the rotation process must be stable and reliable to avoid damage to the product quality and personal safety accidents.

[0004] Currently, the common method for flipping large-diameter thin-walled metal sections, including those used in rocket propellant tank production, involves installing anchor points at both ends of the section. These anchor points are connected to different hooks, and the section is flipped using the combined operation of two cranes. This method requires the cooperation of two cranes, occupies a large space, is costly, and is very difficult to operate. Furthermore, this method cannot guarantee the stability and safety of the flipping process.

[0005] Therefore, how to reduce the number of cranes used during the flipping of large-diameter thin-walled metal cylinder sections, thereby reducing space occupation, lowering costs and operational difficulty, while ensuring the stability and safety of the flipping process, has become an urgent problem to be solved. Utility Model Content

[0006] The purpose of this invention is to provide a tooling for flipping large-diameter thin-walled metal cylinder sections, so as to solve the problems existing in the prior art.

[0007] To achieve the above objectives, this utility model provides the following solution:

[0008] This utility model provides a tooling for flipping large-diameter thin-walled metal cylinder sections, including a flipping frame, a rotation adjustment mechanism, a clamping mechanism, a lifting chain, a lifting beam, and a traction rope, wherein:

[0009] The flipping frame is a closed, centrally symmetrical and / or axisymmetric structure, and a large-diameter thin-walled metal cylinder segment is set inside the flipping frame.

[0010] The rotation adjustment mechanism is arranged sequentially along the axis of symmetry of the flipping frame, and the rotation adjustment mechanism is connected to the flipping frame;

[0011] The clamping mechanism is a plurality of such clamping mechanisms and is detachably installed on the flipping frame at the same angle along the circumference of the flipping frame. The clamping mechanism is used to clamp a large-diameter thin-walled metal cylinder segment.

[0012] The bottom end of the suspension chain is rotatably mounted on the rotation adjustment mechanism, the suspension beam is detachably connected to the top end of the suspension chain, the suspension chain and the suspension beam are used to lift the flipping frame, and the rotation adjustment mechanism is used to adjust the height of the connection between the suspension chain and the flipping frame;

[0013] One end of the traction rope is detachably mounted on the flipping frame. The connection between the traction rope and the flipping frame does not coincide with the installation position of the rotation adjustment mechanism on the flipping frame. The traction rope can flip the flipping frame with the rotation adjustment mechanism as the rotation axis, and flip the large-diameter thin-walled metal cylinder section inside the flipping frame.

[0014] According to one embodiment of the present invention, the flipping frame is a polygonal structure with an included angle.

[0015] According to one embodiment of the present invention, a plurality of the clamping mechanisms are sequentially and detachably installed along the circumference of the flipping frame at the included angle of the polygonal flipping frame.

[0016] According to one embodiment of the present invention, the rotation adjustment mechanism includes a connecting plate detachably mounted on the flipping frame. The connection point between the traction rope and the flipping frame does not coincide with the installation position of the connecting plate on the flipping frame. An adjustment groove is formed vertically on the outer wall of the connecting plate away from the flipping frame, and the adjustment groove is perpendicular to the flipping frame. A plurality of first adjustment holes are formed on the connecting plate, and the plurality of first adjustment holes are located in the adjustment groove and arranged sequentially along the length direction of the adjustment groove. An adjustment block is slidably fitted in the adjustment groove. A second adjustment hole is formed on the adjustment block. The adjustment block is connected to the connecting plate by means of an adjustment bolt inserted into the second adjustment hole and the first adjustment hole. The end of the adjustment block away from the connecting plate is rotatably connected to the bottom end of the hanging chain.

[0017] According to one embodiment of the present invention, the bottom end of the hanging chain is fitted with a hanging ring and is detachably connected to the hanging ring, and the bottom end of the hanging ring is in a limited rotational engagement with the end of the adjusting block away from the connecting plate.

[0018] According to one embodiment of the present invention, the number of the second adjustment holes is several, and the number of the several first adjustment holes is greater than the number of the several second adjustment holes. Any adjacent first adjustment holes with the same number as the several second adjustment holes are arranged in a one-to-one correspondence with the several second adjustment holes.

[0019] According to one embodiment of the present invention, the clamping mechanism includes a support beam detachably installed at the included angle of the flipping frame in the horizontal direction. The included angle of the support beam and the flipping frame forms a triangular structure. A clamping screw is fixedly installed on the outer side of the support beam in the horizontal direction, and the clamping screw is perpendicular to the support beam. A clamping vertical plate is slidably installed on the clamping screw, and a clamping nut is threaded onto the clamping screw. The clamping nut is located on the outer side of the clamping vertical plate and abuts against the clamping vertical plate. A clamping horizontal plate is fixedly installed in the horizontal direction at the end of the clamping vertical plate away from the clamping nut. The end of the clamping horizontal plate away from the clamping vertical plate has an arc-shaped structure and is adapted to the outer wall curvature of the large-diameter thin-walled metal cylinder section. The clamping horizontal plate is used to clamp the large-diameter thin-walled metal cylinder section.

[0020] According to one embodiment of the present invention, the number of support beams is several, and the several support beams are arranged in parallel; the number of clamping screws is several and arranged sequentially along the length direction of the support beams; and the number of clamping horizontal plates is several and arranged sequentially along the height direction of the clamping vertical plates.

[0021] According to one embodiment of the present invention, a clamping limiting rod is threadedly connected to the support beam, and the clamping limiting rod is perpendicular to the clamping screw and the support beam. An oblong hole is provided on the clamping horizontal plate, and the length direction of the oblong hole is parallel to the length direction of the clamping screw. The clamping limiting rod is located inside the oblong hole and slides in cooperation with the inner wall of the oblong hole. A clamping limiting nut is threaded on the clamping limiting rod, and the clamping limiting nut is located outside the oblong hole and slides in cooperation with the clamping horizontal plate.

[0022] According to one embodiment of the present invention, a spiral plate is sleeved on the flipping frame and connected to the inner wall of the spiral plate. A traction ring is detachably installed on the spiral plate, and a traction rope is sleeved on the traction ring and detachably connected to the traction ring. The connection point between the spiral plate and the flipping frame does not coincide with the installation position of the connecting plate on the flipping frame, and the traction rope is detachably connected to the flipping frame through the traction ring.

[0023] This utility model has at least the following technical effects:

[0024] This utility model provides a tooling for flipping large-diameter thin-walled metal cylinder sections. By setting up a flipping frame, clamping mechanism, lifting chain, lifting beam and traction rope, the flipping of large-diameter thin-walled metal cylinder sections can be completed using only one crane, reducing space occupation, lowering costs and reducing operation difficulty. By setting up a rotation adjustment mechanism, the height of the connection position between the lifting chain and the flipping frame can be adjusted according to the actual situation, thereby ensuring that the entire flipping axis coincides with the flipping center of gravity of the large-diameter thin-walled metal cylinder section, ensuring the stability and safety of the flipping process. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0027] Figure 2 for Figure 1 A schematic diagram of the overall structure in which a large-diameter thin-walled metal cylinder section is installed;

[0028] Figure 3 for Figure 1 A magnified view of a section at point A in the middle;

[0029] Figure 4 for Figure 1 A magnified view of a section at point B in the middle;

[0030] Figure 5 This is a schematic diagram of the overall structure of the clamping horizontal plate and the clamping vertical plate in this utility model;

[0031] Figure 6 This is a side front view schematic diagram of the overall structure of the clamping mechanism in this utility model;

[0032] Figure 7 This is a side and rear view schematic diagram of the overall structure of the clamping mechanism in this utility model;

[0033] Figure 8 This is a schematic diagram of the flipping process of the large-diameter thin-walled metal cylinder section in this utility model;

[0034] The components are as follows: 1. Tilting frame; 2. Support beam; 3. Lifting chain; 4. Lifting beam; 5. Clamping horizontal plate; 6. Clamping nut; 7. Clamping screw; 8. Clamping vertical plate; 9. Connecting plate; 10. Traction rope; 11. Adjusting block; 12. Lifting ring; 13. Traction ring; 14. Reverse plate; 15. Support beam connecting plate; 16. Clamping limit rod; 17. Clamping limit nut. Detailed Implementation

[0035] The features and exemplary embodiments of various aspects of this utility model will be described in detail below. To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only configured to explain this utility model and to exemplarily illustrate the principles of this utility model, and are not configured to limit this utility model. In addition, the structural components in the drawings are not necessarily drawn to scale. For example, the dimensions of some structural components or regions in the drawings may be enlarged for other structural components or regions to aid in the understanding of the embodiments of this utility model.

[0036] The directional terms used in the following description refer to the directions shown in the figures and are not intended to limit the specific structure of the embodiments of this utility model. In the description of this utility model, it should be noted that, unless otherwise stated, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0037] Furthermore, the terms "comprising," "including," "having," or any other variations thereof are intended to cover non-exclusive inclusion, such that a structure or component that includes a list of elements includes not only those elements but also other structural elements that are not expressly listed or inherent to the structure or component. Without further limitations, an element defined by the phrase "comprising..." does not exclude the presence of other identical elements in the article or apparatus that includes the element.

[0038] Spatial relation terms such as "below," "under," "under," "low," "above," "on," and "high" are used for descriptive convenience to explain the positioning of one element relative to a second element, indicating that these terms are intended to cover different orientations of the device, in addition to those different from those shown in the figure. Furthermore, phrases such as "one element on / below another element" can indicate that two elements are in direct contact, or that there are other elements between the two elements. In addition, terms such as "first" and "second" are also used to describe individual elements, areas, parts, etc., without specifically indicating order or sequence, and should not be considered restrictive. Similar terms are used throughout the description to represent similar elements.

[0039] In the following description of this utility model, the terms "rocket," "launch vehicle," "spacecraft," "space launch vehicle," or "missile" may be used in certain scenarios for ease of description, and their connotations are not limited to the specific terms used. Generally, the launch vehicle of this utility model includes space launch vehicles and rockets used to launch satellites, spacecraft, or other probes, as well as various missiles, rockets, and other weapons used to launch military payloads, and similar products capable of sending payloads into the air. Those skilled in the art, when interpreting the above specific terms, should not limit the launch vehicle to only one of space launch vehicles, rockets, or missiles based on the specific terms used in the description, thereby narrowing the scope of protection of this utility model.

[0040] For those skilled in the art, this invention can be implemented without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by illustrating examples.

[0041] This utility model provides a tooling for flipping large-diameter thin-walled metal cylinder sections, including a flipping frame 1, a rotation adjustment mechanism, a clamping mechanism, a lifting chain 3, a lifting beam 4, and a traction rope 10, wherein:

[0042] The flip frame 1 can be a polygonal structure with included angles, a closed ring shape, central symmetry, and / or axial symmetry, such as a square structure, a hexagonal structure, or an octagonal structure. In this embodiment, the flip frame 1 is preferably a hexagonal structure, and the large-diameter thin-walled metal cylinder segment is located inside the hexagonal flip frame 1, that is, the flip frame 1 is used to house the large-diameter thin-walled metal cylinder segment.

[0043] The rotation adjustment mechanisms are arranged sequentially along the axis of symmetry of the flipping frame 1. Preferably, there are two rotation adjustment mechanisms. The rotation adjustment mechanisms are connected to the flipping frame 1, and preferably, they are detachably connected.

[0044] There are several clamping mechanisms, which are arranged sequentially along the circumference of the flipping frame 1. The clamping mechanisms are detachably arranged on the flipping frame 1 with the center of the flipping frame 1 as the center and at equal intervals. The clamping mechanisms are used to clamp large-diameter thin-walled metal cylinder sections.

[0045] In this invention, the number of clamping mechanisms is not particularly limited, and those skilled in the art can adjust it according to actual needs. In this embodiment, reference is made to... Figure 1 The number of clamping mechanisms can be six, and they are detachably installed at the six corners of the hexagonal flip frame 1 along the circumference of the flip frame 1.

[0046] In this embodiment, refer to Figure 1 Two rotation adjustment mechanisms are symmetrically and detachably mounted sequentially on the straight frame (i.e., the side of the hexagonal structure) of the hexagonal flip frame 1, and located at the middle position of the straight frame. The clamping mechanisms on both sides of any one of the rotation adjustment mechanisms can be symmetrical about the rotation adjustment mechanism between them as an axis of symmetry.

[0047] The bottom end of the lifting chain 3 is rotatably mounted on the rotation adjustment mechanism. The lifting beam 4 and the top ends of the two lifting chains 3 can be detachably connected. The lifting chain 3 and the lifting beam 4 are used to lift the tilting frame 1. The lifting beam 4 is connected to an external crane (not shown in the figure).

[0048] In this embodiment, refer to Figure 1 or Figure 2 There are two lifting chains 3, and the top ends of the two lifting chains 3 are detachably connected to the bottom end of the lifting beam 4. For example, the detachable connection can be made by bolts, and the connection points of the two lifting chains 3 to the lifting beam 4 are symmetrically arranged around the center position of the lifting beam 4. Two ropes connected to the crane are detachably installed at the top end of the lifting beam 4. The two ropes are symmetrical with respect to the center position of the lifting beam 4 and form an isosceles triangular structure with the lifting beam 4. The top ends of the two ropes overlap and are connected to the crane.

[0049] One end of the traction rope 10 is detachably mounted on the flipping frame 1. The connection between the traction rope 10 and the flipping frame 1 does not coincide with the installation position of the rotation adjustment mechanism on the flipping frame 1. Therefore, it will be located between the two rotation adjustment mechanisms. Through the traction rope 10, the flipping frame 1 can be flipped with the rotation adjustment mechanism as the rotation axis, and the large-diameter thin-walled metal cylinder section inside the flipping frame 1 can be flipped.

[0050] In this embodiment, refer to Figure 1 or Figure 2The connection point between the traction rope 10 and the tilting frame 1 is located at the midpoint of the two rotation adjustment mechanisms. In other words, the two rotation adjustment mechanisms can be symmetrically arranged about the connection point between the traction rope 10 and the tilting frame 1. The connection point between the traction rope 10 and the tilting frame 1 is located at the included angle of the hexagonal structure of the tilting frame 1. This arrangement provides maximum effort-saving effect when workers hold and pull the traction rope 10 to tilt the large-diameter thin-walled metal cylinder section.

[0051] When using this utility model tooling, firstly, the workers use a crane to lift the tooling vertically, and stop after lifting it to a certain height.

[0052] Then, place the large-diameter thin-walled metal cylinder segment to be flipped at the bottom of the hoisted fixture; after placement, lower the fixture and place the flipping frame 1 on the outside of the large-diameter thin-walled metal cylinder segment.

[0053] Next, adjust the height of the tilting frame 1, and at the same time use the rotation adjustment mechanism to adjust the height of the connection between the hanging chain 3 and the tilting frame 1, so as to ensure that the entire tilting axis coincides with the tilting center of gravity of the large-diameter thin-walled metal cylinder section.

[0054] Finally, six clamping mechanisms are used to clamp the large-diameter thin-walled metal cylinder section inside the flipping frame 1, thereby securing the flipping frame 1 to the large-diameter thin-walled metal cylinder section.

[0055] After hugging tightly, refer to Figure 8 The worker holds the end of the traction rope 10 away from the flipping frame 1 and stands on the side of the flipping frame 1, pulling the traction rope 10 in the direction of rotation of the rotation adjustment mechanism to complete the flipping of the large-diameter thin-walled metal cylinder section.

[0056] When using the clamping mechanism to clamp a large-diameter thin-walled metal cylinder segment, the operator can first use two opposing clamping mechanisms to clamp the segment. In other words, first, the clamping mechanisms on both sides of the axis of symmetry of the flipping frame 1 are used to clamp the segment, then another two symmetrical clamping mechanisms are used, and so on, until the clamping operation is complete. This ensures the large-diameter thin-walled metal cylinder segment is clamped at the center position inside the flipping frame 1, preventing any displacement.

[0057] When flipping a large-diameter thin-walled metal cylinder section, workers stand on the side of the flipping frame 1, not at the bottom, to prevent the section from falling and injuring them. During flipping, the connection between the traction rope 10 and the flipping frame 1 passes under the rotation adjustment mechanism, not above it. For example, refer to... Figure 8 , Figure 8 This is a schematic diagram of a large-diameter thin-walled metal cylinder segment being flipped. In this embodiment, the traction rope 10 is located on the right side of the flipping frame 1. Therefore, when the large-diameter thin-walled metal cylinder segment needs to be flipped, the flipping direction should be clockwise, not counterclockwise, so that the traction rope 10 will not get tangled with the lifting chain 3, thus ensuring the smooth progress of the flipping operation.

[0058] According to one embodiment of the present invention, referring to Figure 3 Both rotation adjustment mechanisms include connecting plates 9 detachably mounted on the outer wall of the tilting frame 1. The connection point between the traction rope 10 and the tilting frame 1 does not coincide with the installation position of the connecting plates 9 on the tilting frame 1. Preferably, the connection point between the traction rope 10 and the tilting frame 1 is located at the midpoint between the two connecting plates 9, and the straight line connecting the connection point of the traction rope 10 and the center of the tilting frame 1 is the axis of symmetry of the two connecting plates 9. An adjustment groove is formed vertically on the outer wall of the connecting plate 9 away from the tilting frame 1, and the adjustment groove is perpendicular to the tilting frame 1. Several first adjustment holes are formed on the connecting plate 9, and the several first adjustment holes are located in the adjustment groove and arranged sequentially along the length of the adjustment groove. An adjusting block 11 is provided in the adjusting groove for limiting sliding. The adjusting block 11 has a second adjusting hole. The first adjusting hole and the second adjusting hole are threaded with the same adjusting bolt (not shown in the figure). The adjusting block 11 is connected to the connecting plate 9 by inserting the adjusting bolt into the second adjusting hole and the first adjusting hole. The adjusting block 11 can be detachably connected to the connecting plate 9 by adjusting the adjusting bolt. The end of the adjusting block 11 away from the connecting plate 9 is limited and rotatably connected to the bottom end of the hanging chain 3.

[0059] In this embodiment, refer to Figure 3 Preferably, there are nine first adjustment holes and a number of second adjustment holes, with the number of nine first adjustment holes being greater than the number of a number of second adjustment holes. Preferably, there are three second adjustment holes, each corresponding to one of any three adjacent first adjustment holes.

[0060] In this invention, when it is necessary to adjust the height of the connection between the lifting chain 3 and the tilting frame 1 according to the actual situation, the operator can adjust the height of the adjusting block 11 in the adjusting groove of the connecting plate 9. After the adjustment is completed, the adjusting bolt is tightened in the first and second adjusting holes at the corresponding positions, and the adjusting block 11 can be fixed on the connecting plate 9. This completes the height adjustment of the connection between the lifting chain 3 and the tilting frame 1, thereby ensuring that the entire tilting axis can coincide with the tilting center of gravity of the large-diameter thin-walled metal cylinder section.

[0061] According to one embodiment of the present invention, referring to Figure 3 The bottom end of the chain 3 is fitted with a hanging ring 12 and is detachably connected to the hanging ring 12. The connection between the chain 3 and the hanging ring 12 can be in the form of a knot. For example, Figure 3 As shown, the bottom end of the lifting ring 12 and the end of the adjusting block 11 away from the connecting plate 9 can be mutually limited and rotated together. The lifting ring 12 makes it easier to install and remove the lifting chain 3 from the adjusting block 11.

[0062] According to one embodiment of the present invention, referring to Figure 4 The clamping mechanism includes a support beam 2 detachably mounted horizontally at the included angle of the flipping frame 1. The included angle of the support beam 2 and the flipping frame 1 forms a triangular structure, preferably an isosceles triangle. A clamping screw 7 is fixedly mounted horizontally on the outer side of the support beam 2 (i.e., the end away from the large-diameter thin-walled metal cylinder section). The clamping screw 7 is perpendicular to the support beam 2, and a clamping vertical plate 8 is slidably mounted on the clamping screw 7 (i.e., the clamping vertical plate 8 is slidably mounted relative to the length direction of the clamping screw 7). A clamping nut 6 is threaded onto the clamping screw 7. The clamping nut 6 is located on the outer side of the clamping vertical plate 8 (i.e., the end away from the large-diameter thin-walled metal cylinder section), and the clamping nut 6 abuts against the clamping vertical plate 8. A clamping horizontal plate 5 is fixedly mounted horizontally on the end of the clamping vertical plate 8 away from the clamping nut 6. The clamping horizontal plate 5 is preferably perpendicular to the clamping vertical plate 8. The end of the clamping horizontal plate 5 away from the clamping vertical plate 8 has an arc-shaped structure and is adapted to the curvature of the outer wall of the large-diameter thin-walled metal cylinder section. The clamping horizontal plate 5 is used to clamp the large-diameter thin-walled metal cylinder section.

[0063] In this embodiment, refer to Figure 4 and Figure 6Each clamping mechanism contains several support beams 2, preferably two. The two support beams 2 are detachably connected to the top and bottom of the flipping frame 1, respectively. Specifically, the two support beams 2 are arranged in parallel. There are several clamping screws 7, preferably two on each support beam 2, and the two clamping screws 7 are arranged sequentially along the length of the support beam 2. There are several clamping horizontal plates 5, preferably two, symmetrically arranged at the upper and lower parts of the clamping vertical plate 8 along its height direction.

[0064] In this utility model, the two support beams 2 make the overall structure of the clamping mechanism more robust. The two clamping screws 7 and two clamping horizontal plates 5 not only increase the clamping force, but also clamp the large-diameter thin-walled metal cylinder section at the upper and lower parts of the clamping vertical plate 8, further improving the stability of the clamping of the large-diameter thin-walled metal cylinder section.

[0065] In this invention, when it is necessary to clamp a large-diameter thin-walled metal cylinder section, the operator can first turn one of the clamping nuts 6 inward within the clamping mechanism. At this time, the clamping nut 6 will push the clamping vertical plate 8 to slide on the clamping screw 7 towards the large-diameter thin-walled metal cylinder section. Thus, the clamping vertical plate 8 and the clamping horizontal plate 5 can move simultaneously towards the large-diameter thin-walled metal cylinder section under the push of the clamping nut 6. After the clamping horizontal plate 5 contacts the outer wall of the large-diameter thin-walled metal cylinder section, the operator continues to turn the screw. The clamping nut 6 is tightened until it can no longer be turned. At this point, the static friction between the clamping nut 6 and the clamping vertical plate 8 will firmly clamp the clamping horizontal plate 5 to the outer wall of the large-diameter thin-walled metal cylinder section. Then, the other clamping nuts 6 are turned inward until they contact the clamping vertical plate 8 and then they are turned until they can no longer be turned. In this way, the static friction between the other clamping nuts 6 and the clamping vertical plate 8 can better fix the clamping vertical plate 8, further increasing the firmness of the clamping of the large-diameter thin-walled metal cylinder section.

[0066] According to one embodiment of this utility model, an anti-slip layer (not shown in the figure) is fixedly installed inside the arc-shaped structure of the clamping horizontal plate 5. The anti-slip layer can be high-temperature resistant rubber, such as silicone rubber, fluororubber, etc. Silicone rubber and fluororubber are existing materials known to those skilled in the art, and will not be described in detail here. This can increase the friction between the outer wall of the large-diameter thin-walled metal cylinder segment and the clamping horizontal plate 5, and can further prevent the large-diameter thin-walled metal cylinder segment from falling off the fixture when the clamping horizontal plate 5 clamps the large-diameter thin-walled metal cylinder segment, ensuring the smooth progress of the flipping operation. At the same time, the high-temperature resistant rubber can also play a buffering role when the clamping horizontal plate 5 contacts the large-diameter thin-walled metal cylinder segment, which can prevent damage to the large-diameter thin-walled metal cylinder segment during the clamping process.

[0067] According to one embodiment of the present invention, referring to Figure 4 In this embodiment, a support beam connecting plate 15 is provided at the connection between the support beam 2 and the flipping frame 1. The support beam connecting plate 15 has a rectangular structure and is fixedly connected to the support beam 2. The support beam connecting plate 15 is detachably connected to the flipping frame 1 at the four included corners of its rectangular structure by four bolts. The detachable connection between the support beam 2 and the flipping frame 1 via the support beam connecting plate 15 further ensures the connection stability between the support beam 2 and the flipping frame 1.

[0068] According to one embodiment of the present invention, referring to Figure 7 A clamping limiting rod 16 is threadedly connected to the support beam 2. Preferably, the clamping limiting rod 16 passes through both support beams 2 in each clamping mechanism and is threadedly connected to both support beams 2 in each clamping mechanism. The clamping limiting rod 16 is perpendicular to the clamping screw 7 and the support beam 2. An oblong hole is provided on the clamping horizontal plate 5, and the length direction of the oblong hole is parallel to the length direction of the clamping screw 7. The clamping limiting rod 16 is located in the oblong hole and slides in contact with the inner wall of the oblong hole. A clamping limiting nut 17 is threadedly fitted on the clamping limiting rod 16. The clamping limiting nut 17 is outside the oblong hole. Preferably, the clamping limiting nut 17 is located at the end of the clamping horizontal plate 5 away from the support beam 2 and slides in contact with the clamping horizontal plate 5.

[0069] In this invention, when the clamping horizontal plate 5 and the clamping vertical plate 8 move along the direction of the clamping screw 7, the oblong hole also moves relative to the outer wall of the clamping limiting rod 16, thereby achieving a limiting effect and further ensuring the stability of the clamping horizontal plate 5 and the clamping vertical plate 8 during movement. Simultaneously, when the clamping horizontal plate 5 clamps the large-diameter thin-walled metal cylinder section, without the clamping limiting rod 16 and the clamping limiting nut 17, the weight of the large-diameter thin-walled metal cylinder section would be directly transmitted through the clamping horizontal plate 5. The clamping vertical plate 8 presses entirely onto the clamping screw 7, which could potentially cause the clamping screw 7 to bend. However, by setting the clamping limit nut 17, a portion of the weight of the large-diameter thin-walled metal cylinder section is pressed onto the clamping limit nut 17 through the clamping horizontal plate 5. This allows the clamping limit nut 17 to bear a portion of the weight of the large-diameter thin-walled metal cylinder section, making the force distribution within the clamping mechanism more even and preventing the clamping screw 7 from bending, thus ensuring the smooth operation of the flipping process.

[0070] According to one embodiment of the present invention, referring to Figure 7In this embodiment, there are two clamping limit rods 16, arranged sequentially along the length of the support beam 2. Correspondingly, there are also two oblong holes on each clamping cross plate 5, and the two clamping limit rods 16 are located in the two oblong holes and slide in cooperation with them. By setting two clamping limit rods 16, compared with one clamping limit rod 16, the stability of the clamping cross plate 5 during the clamping process can be further guaranteed. At the same time, the clamping limit nuts 17 on the two clamping limit rods 16 can bear the weight of the large-diameter thin-walled metal cylinder section, further avoiding the bending of the clamping screw 7 and ensuring the smooth progress of the flipping operation.

[0071] Furthermore, in this utility model, the installation of the clamping horizontal plate 5 and the clamping vertical plate 8 on the support beam 2 is a quick-release and quick-change design. Workers can quickly replace the clamping horizontal plate 5 and the clamping vertical plate 8 on the support beam 2 according to different work needs, further increasing convenience. For example:

[0072] This invention can be applied to the flipping of thin-walled metal cylinder sections with a diameter of φ4200. However, when flipping thin-walled metal cylinder sections of different diameters is required, it is necessary to replace the clamping horizontal plate 5 with one of different curvatures to accommodate the different diameters. In this case, the operator can unscrew the clamping nut 6 outwards and remove it, then unscrew the clamping limit nut 17 outwards and remove it. This allows for quick removal of the clamping horizontal plate 5 and clamping vertical plate 8 from the support beam 2. Then, based on the diameter of the thin-walled metal cylinder section, a clamping horizontal plate 5 with a corresponding curvature can be selected and installed on the clamping vertical plate 8. Finally, repeating the above operations in reverse allows for quick installation of the clamping vertical plate 8 and the corresponding curvature clamping horizontal plate 5 on the support beam 2, thus achieving quick removal and replacement of the clamping horizontal plate 5 and clamping vertical plate 8 on the support beam 2.

[0073] According to one embodiment of this utility model, a spiral plate 14 is sleeved on the flipping frame 1, and the flipping frame 1 is connected to the inner wall of the spiral plate 14, preferably in a fixed connection. A traction ring 13 is detachably installed on the spiral plate 14, and a traction rope 10 is sleeved on the traction ring 13 and detachably connected to the traction ring 13. The connection point between the spiral plate 14 and the flipping frame 1 does not coincide with the installation position of the connecting plate 9 on the flipping frame 1. Preferably, the spiral plate 14 is located between the two connecting plates 9, and the line connecting the center position of the spiral plate 14 and the flipping frame 1 is the axis of symmetry of the left and right connecting plates 9. The traction rope 10 is detachably connected to the flipping frame 1 through the traction ring 13.

[0074] In this embodiment, refer to Figure 4The spiral plate 14 is fixedly installed at the included corner of the hexagonal structure of the flipping frame 1. The traction ring 13 can be detachably connected to the spiral plate 14 by bolts and is located on the outer wall of the spiral plate 14 away from the interior of the flipping frame 1. The traction rope 10 can be connected to the traction ring 13 by a knot or other detachable connection method. The spiral plate 14 can increase the firmness of the connection between the traction rope 10 and the flipping frame 1.

[0075] In addition, refer to Figure 4 Since the spiral plate 14 is located at the corner of the hexagonal structure of the flip frame 1, the spiral plate 14 can also make the straight frames (i.e. the sides of the two adjacent hexagonal structures) on the left and right adjacent flip frames 1 more firmly connected, further improving the firmness and stability of the flip frame 1.

[0076] In this invention, the detachable connection can be a bolt connection or other detachable connection methods known to those skilled in the art. Further details will not be provided here.

[0077] In this invention, the rotational connection can be made by means of bearings, or by other rotational connection methods known to those skilled in the art, which will not be elaborated upon here.

[0078] The above embodiments of this utility model can be combined with each other and have corresponding technical effects.

[0079] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A tooling for turning over a large diameter thin walled metal cylinder segment, characterized in that, The utility model relates to a kind of big-diameter thin-wall metal cylinder segment overturning frame, including overturning frame (1), rotating adjusting mechanism, holding mechanism, chain (3), hanging beam (4) and traction rope (10), wherein: The overturning frame (1) is a ring-shaped closed, center-symmetric and / or axis-symmetric structure, and a large-diameter thin-wall metal cylinder segment is arranged in the overturning frame (1). The rotating adjusting mechanism is sequentially arranged along the symmetry axis direction of the overturning frame (1), and the rotating adjusting mechanism is connected with the overturning frame (1). The holding mechanism is detachably installed on the overturning frame (1) at the same angle along the circumference of the overturning frame (1), and the holding mechanism is used for holding the large-diameter thin-wall metal cylinder segment. The bottom end of the chain (3) is rotatably installed on the rotating adjusting mechanism, the hanging beam (4) is detachably connected with the top end of the chain (3), the chain (3) and the hanging beam (4) are used for lifting the overturning frame (1), and the rotating adjusting mechanism is used for adjusting the height of the connection between the chain (3) and the overturning frame (1). One end of the traction rope (10) is detachably installed on the overturning frame (1), the connection between the traction rope (10) and the overturning frame (1) does not coincide with the installation position of the rotating adjusting mechanism on the overturning frame (1), the overturning frame (1) can be overturned by the traction rope (10) with the rotating adjusting mechanism as the rotating shaft, and the large-diameter thin-wall metal cylinder segment in the overturning frame (1) is overturned.

2. The tooling for the turnover of large-diameter thin-wall metal cylinder segments according to claim 1, characterized in that, The overturning frame (1) is a polygonal structure with an included angle.

3. The tooling for the turnover of large-diameter thin-wall metal cylinder segments according to claim 2, characterized in that, The holding mechanism is sequentially detachably installed on the included angle of the polygonal overturning frame (1) along the circumference of the overturning frame (1).

4. The tooling for the turnover of large-diameter thin-wall metal cylinder segments according to claim 1, characterized in that, The rotating adjusting mechanism includes a connecting plate (9) detachably installed on the overturning frame (1), the connection between the traction rope (10) and the overturning frame (1) does not coincide with the installation position of the connecting plate (9) on the overturning frame (1), an adjusting groove is vertically formed on the outer wall of the connecting plate (9) away from the overturning frame (1), the adjusting groove is perpendicular to the overturning frame (1), a plurality of first adjusting holes are formed on the connecting plate (9), the first adjusting holes are located in the adjusting groove and sequentially arranged along the length direction of the adjusting groove, an adjusting block (11) is limitingly and slidably arranged in the adjusting groove, a second adjusting hole is formed on the adjusting block (11), the adjusting block (11) is connected with the connecting plate (9) by inserting an adjusting bolt into the second adjusting hole and the first adjusting hole, and the bottom end of the chain (3) is limitingly and rotatably connected with one end of the adjusting block (11) away from the connecting plate (9).

5. The tooling for roll-over of large diameter thin walled metal cylinder segments according to claim 4, wherein, The bottom end of the chain (3) is sleeved with a lifting ring (12) and detachably connected with the lifting ring (12), and the bottom end of the lifting ring (12) is limitingly and rotatably connected with one end of the adjusting block (11) away from the connecting plate (9).

6. The tooling for roll-over of large diameter thin walled metal cylinder segments according to claim 4, wherein, The second adjusting holes are several in number, and the number of the first adjusting holes is greater than that of the second adjusting holes, and any adjacent first adjusting hole with the same number of the second adjusting holes is arranged one-to-one with the second adjusting holes.

7. The tooling for roll-over of large diameter thin walled metal cylinder segments according to claim 3, wherein, The embracing mechanism comprises a support beam (2) detachably mounted at the angle of the turnover frame (1) in the horizontal direction, the support beam (2) and the angle of the turnover frame (1) forming a triangular structure, the outer side of the support beam (2) being fixedly mounted with an embracing lead screw (7) in the horizontal direction, the embracing lead screw (7) being arranged perpendicularly to the support beam (2); the embracing lead screw (7) is slidably mounted with an embracing vertical plate (8), the embracing lead screw (7) being threadedly connected with an embracing nut (6), the embracing nut (6) being located outside the embracing vertical plate (8) and abutting against the embracing vertical plate (8); the end of the embracing vertical plate (8) away from the embracing nut (6) is fixedly mounted with an embracing horizontal plate (5) in the horizontal direction, the end of the embracing horizontal plate (5) away from the embracing vertical plate (8) being arc-shaped and matching the curvature of the outer wall of the large-diameter thin-walled metal cylinder segment, and the embracing horizontal plate (5) is used for embracing the large-diameter thin-walled metal cylinder segment.

8. The tooling for roll-over of large diameter thin walled metal cylinder segments according to claim 7, wherein, The number of the support beams (2) is several, and the several support beams (2) are arranged in parallel, the number of the embracing lead screws (7) is several and arranged in sequence along the length direction of the support beam (2), and the number of the embracing horizontal plates (5) is several and arranged in sequence along the height direction of the embracing vertical plate (8).

9. The tooling for roll-over of large diameter thin walled metal cylinder segments according to claim 8, wherein, The support beam (2) is threadedly connected with an embracing limiting rod (16), and the embracing limiting rod (16) is arranged perpendicularly to the embracing lead screw (7) and the support beam (2), the embracing horizontal plate (5) is provided with a waist-round long hole, and the length direction of the waist-round long hole is parallel to the length direction of the embracing lead screw (7); the embracing limiting rod (16) is located in the waist-round long hole and slidably connected with the inner wall of the waist-round long hole, and the embracing limiting rod (16) is threadedly connected with an embracing limiting nut (17), the embracing limiting nut (17) is located outside the waist-round long hole and slidably connected with the embracing horizontal plate (5).

10. The tooling for roll-over of large diameter thin walled metal cylinder segments of claim 4, wherein, The turnover frame (1) is sleeved with a meandering plate (14) and connected with the inner wall of the meandering plate (14), the meandering plate (14) is detachably mounted with a traction ring (13), and the traction rope (10) is sleeved on the traction ring (13) and detachably connected with the traction ring (13); the connection position of the meandering plate (14) and the turnover frame (1) does not coincide with the mounting position of the connecting plate (9) on the turnover frame (1), and the traction rope (10) is detachably connected with the turnover frame (1) through the traction ring (13).

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