Manufacturing tool for complex space curved surface tower crown

Abstract

The utility model discloses a complex space curved surface tower crown manufacturing tool which comprises a transverse process partition plate unit and a longitudinal process partition plate unit, and the transverse process partition plate unit comprises a first transverse plate, a second transverse plate, a third transverse plate, a fourth transverse plate and a fifth transverse plate which are sequentially arranged at intervals and are matched with the tower crown in shape. The longitudinal process partition plate unit comprises a first longitudinal plate connected between the first transverse plate and the second transverse plate, a second longitudinal plate connected between the second transverse plate and the third transverse plate, a third longitudinal plate connected between the third transverse plate and the fourth transverse plate, and a fourth longitudinal plate connected between the fourth transverse plate and the fifth transverse plate. According to the tool, the combination form of the transverse process partition plate units and the longitudinal process partition plate units is adopted, space multidirectional limiting can be achieved, the tower crown assembling size precision can be effectively controlled, the tower crown curved surface linear precision is greatly improved, and the problem that an irregular and complex space curved surface cannot be bent through a traditional bending process is solved.

Description

Technical Field

[0001] This utility model relates to the field of power transmission steel tower manufacturing technology, and in particular to a tooling for manufacturing a complex spatial curved tower crown. Background Technology

[0002] According to their structural form, power towers can be divided into angle steel towers and steel pipe towers. Most steel pipe towers in domestic and foreign power towers adopt external flange connection or insertion connection. Their appearance is basically a single tower structure with a regular 16-sided, regular 32-sided or regular 64-sided shape. The tower crown structure is simple and relatively easy to manufacture.

[0003] Currently, cross-sea power transmission line projects have encountered issues such as... Figure 1 The tower crown structure shown is specifically a twin-tower structure. The top of the tower is formed by connecting the crown with the two limb towers to form a whole. The crown is composed of multiple irregular cross-sections formed by lofting, resulting in irregular and complex spatial curved surfaces, specifically including four types of surface structures:

[0004] (1) The curved surface formed by the layout of the arc segment to the arc segment is similar to a conical curved surface, and the bending radius of each section along the elevation is different;

[0005] (2) The surface formed by lofting from the straight line segment to the circular arc segment is an irregular surface;

[0006] (3) The surface formed by two straight segments (the horizontal projections of the two straight segments have an angle θ between them) is a linear twisted surface, and the projection angle of each section along the elevation direction changes linearly from 0 to θ.

[0007] (4) The plane formed by two parallel lines.

[0008] For the above-mentioned types of tower crown structures, there is a technical problem of how to manufacture them in a way that ensures the accuracy of the tower crown wall panel's shape. Utility Model Content

[0009] This application provides a manufacturing fixture for a complex spatial curved surface tower crown. The overall fixture is used as an inner tube to assemble the tower crown. The accuracy of the tower crown's curved surface is controlled by longitudinal and transverse process partitions, which solves the manufacturing problem of irregular and complex spatial curved surface tower crowns and thus ensures the accuracy requirements.

[0010] This application provides a fabrication fixture for a complex spatial curved surface tower crown, including:

[0011] The transverse process partition unit includes:

[0012] The first horizontal plate is located at the bottom of the tower crown and has a corresponding matching external structure;

[0013] The second horizontal plate is located directly above the first horizontal plate, is located at the first deformation structure at the bottom of the tower crown, and has a corresponding matching outer shape structure.

[0014] The third horizontal plate is located directly above the second horizontal plate, is located at the second deformation structure at the bottom of the tower crown, and has a corresponding matching outer shape structure.

[0015] The fourth horizontal plate is located directly above the third horizontal plate, is located at the third deformation structure at the bottom of the tower crown, and has a corresponding matching outer shape structure.

[0016] The fifth horizontal plate is located directly above the fourth horizontal plate and is located at the top of the tower crown.

[0017] The longitudinal process partition unit comprises:

[0018] The first longitudinal plate is connected between the first horizontal plate and the second horizontal plate, and the outer surface of the first longitudinal plate is matched with the outer shape of the corresponding position of the tower crown.

[0019] The second longitudinal plate is connected between the second horizontal plate and the third horizontal plate, and the outer surface of the second longitudinal plate is matched with the outer shape of the corresponding position of the tower crown.

[0020] The third longitudinal plate is connected between the third horizontal plate and the fourth horizontal plate, and the outer surface of the third longitudinal plate is matched with the outer shape of the corresponding position of the tower crown.

[0021] The fourth longitudinal plate is connected between the fourth horizontal plate and the fifth horizontal plate, and the outer surface of the fourth longitudinal plate is matched with the outer shape of the corresponding position of the tower crown. The fourth longitudinal plate surrounds the opening structure at the top of the tower crown on the lower surface of the first horizontal plate.

[0022] The beneficial effects of the above embodiments are that the combination of the horizontal process partition unit and the longitudinal process partition unit can realize multi-directional limiting of space, effectively control the assembly size precision of the tower crown, greatly improve the curved line type precision of the tower crown, solve the problem that irregular complex space curves cannot be bent by traditional bending process, and avoid the problem of equipment limitation leading to inability to manufacture and delay of construction period.

[0023] On the basis of the above embodiments, the embodiments of the present application can also be improved as follows:

[0024] In one of the embodiments of the present application: the third horizontal plate is a detachable structure formed by connecting a plurality of third plate bodies through a first connecting assembly; and the fourth horizontal plate is a detachable structure formed by connecting a plurality of fourth plate bodies through a second connecting assembly. The beneficial effects of this step are that the third horizontal plate and the fourth horizontal plate are convenient to recycle, thereby reducing the cost of subsequent manufacturing of this tooling.

[0025] In one of the embodiments of the present application: the longitudinal process partition plate unit is arranged on both sides of the conical curved surface formed by lofting the crown arc segment to the arc segment. The beneficial effect of this step is that it facilitates the structure formation at the joint of the quasi-conical curved surface and other curved surfaces.

[0026] In one of the embodiments of the present application: the overall circumference contour size of the transverse process partition plate unit and the longitudinal process partition plate unit is 1mm smaller than the internal size of the tower crown design.

[0027] In one of the embodiments of the present application: it further comprises a ladder climbing unit connected from the first horizontal plate to the third horizontal plate. The beneficial effect of this step is that it facilitates manual climbing of the tooling. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the specific embodiments or prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0029] Figure 1 It is a three-dimensional structure diagram of the tower crown.

[0030] Figure 2 It is a first structure diagram of the tooling.

[0031] Figure 3 It is a second structure diagram of the tooling.

[0032] Among them, 1 is a transverse process partition plate unit, 101 is a first horizontal plate, 102 is a second horizontal plate, 103 is a third horizontal plate, 104 is a fourth horizontal plate, and 105 is a fifth horizontal plate.

[0033] 2 is a longitudinal process partition plate unit, 201 is a first longitudinal plate, 202 is a second longitudinal plate, 203 is a third longitudinal plate, and 204 is a fourth longitudinal plate.

[0034] 3 is a ladder climbing unit. DETAILED DESCRIPTION

[0035] In the present application, unless otherwise explicitly specified and limited, the terms in the present application should be understood in a broad sense, such as connection, which can be fixed connection, or detachable connection or integral, which can be directly connected or indirectly connected through an intermediate medium. For ordinary skilled in the art, different terms in the present application can be understood according to the specific circumstances, and the specific meaning of the scope should be limited to the function of the present application.

[0036] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0037] As shown in the design structure diagram of the tower crown structure, the tower crown structure is divided into four layers from bottom to top, and each layer is the first layer, the second layer, the third layer and the fourth layer. The specific description of the face type involved in each layer is described in detail below. Figure 1 As shown in the design structure diagram of the tower crown structure, the tower crown structure is divided into four layers from bottom to top, and each layer is the first layer, the second layer, the third layer and the fourth layer. The specific description of the face type involved in each layer is described in detail below.

[0038] As shown in the design structure diagram of the tower crown structure, the tower crown structure is divided into four layers from bottom to top, and each layer is the first layer, the second layer, the third layer and the fourth layer. The specific description of the face type involved in each layer is described in detail below. Figure 1 As shown in the design structure diagram of the tower crown structure, the tower crown structure is divided into four layers from bottom to top, and each layer is the first layer, the second layer, the third layer and the fourth layer. The specific description of the face type involved in each layer is described in detail below.

[0039] As shown in the design structure diagram of the tower crown structure, the tower crown structure is divided into four layers from bottom to top, and each layer is the first layer, the second layer, the third layer and the fourth layer. The specific description of the face type involved in each layer is described in detail below. Figure 1 As shown in the design structure diagram of the tower crown structure, the tower crown structure is divided into four layers from bottom to top, and each layer is the first layer, the second layer, the third layer and the fourth layer. The specific description of the face type involved in each layer is described in detail below.

[0040] As shown in the design structure diagram of the tower crown structure, the tower crown structure is divided into four layers from bottom to top, and each layer is the first layer, the second layer, the third layer and the fourth layer. The specific description of the face type involved in each layer is described in detail below. Figure 1 As shown in the design structure diagram of the tower crown structure, the tower crown structure is divided into four layers from bottom to top, and each layer is the first layer, the second layer, the third layer and the fourth layer. The specific description of the face type involved in each layer is described in detail below.

[0041] As shown in the design structure diagram of the tower crown structure, the tower crown structure is divided into four layers from bottom to top, and each layer is the first layer, the second layer, the third layer and the fourth layer. The specific description of the face type involved in each layer is described in detail below. Figure 1 As shown in the design structure diagram of the tower crown structure, the tower crown structure is divided into four layers from bottom to top, and each layer is the first layer, the second layer, the third layer and the fourth layer. The specific description of the face type involved in each layer is described in detail below.

[0042] For the irregular complex spatial curved tower crown structure, the application designs a tooling specially used for forming the same.

[0043] As shown in Figure 2 , 3 , a tooling for manufacturing a complex spatial curved tower crown comprises a transverse process partition unit 1 and a longitudinal process partition unit 2. The transverse process partition unit 1 comprises a first horizontal plate 101, a second horizontal plate 102, a third horizontal plate 103, a fourth horizontal plate 104 and a fifth horizontal plate 105. The first horizontal plate 101 is located at the bottom of the tower crown and has a corresponding matching outer shape structure. The second horizontal plate 102 is located directly above the first horizontal plate 101 and is located at a first deformation structure at the bottom of the tower crown and has a corresponding matching outer shape structure. The third horizontal plate 103 is located directly above the second horizontal plate 102 and is located at a second deformation structure at the bottom of the tower crown and has a corresponding matching outer shape structure. The fourth horizontal plate 104 is located directly above the third horizontal plate 103 and is located at a third deformation structure at the bottom of the tower crown and has a corresponding matching outer shape structure. The fifth horizontal plate 105 is located directly above the fourth horizontal plate 104 and is located at the top of the tower crown. The longitudinal process partition unit 2 comprises a first longitudinal plate 201, a second longitudinal plate 202, a third longitudinal plate 203 and a fourth longitudinal plate 204. The first longitudinal plate 201 is connected between the first horizontal plate 101 and the second horizontal plate 102. The surface of the first longitudinal plate 201 towards the outside is matched with the outer shape of the corresponding position of the tower crown. The second longitudinal plate 202 is connected between the second horizontal plate 102 and the third horizontal plate 103. The surface of the second longitudinal plate 202 towards the outside is matched with the outer shape of the corresponding position of the tower crown. The third longitudinal plate 203 is connected between the third horizontal plate 103 and the fourth horizontal plate 104. The surface of the third longitudinal plate 203 towards the outside is matched with the outer shape of the corresponding position of the tower crown. The fourth longitudinal plate 204 is connected between the fourth horizontal plate 104 and the fifth horizontal plate 105. The surface of the fourth longitudinal plate 204 towards the outside is matched with the outer shape of the corresponding position of the tower crown. The fourth longitudinal plate 204 surrounds the opening structure of the top of the tower crown at the lower surface of the first horizontal plate 101.

[0044] In some embodiments of the application, as shown in Figure 2 , 3 , the first horizontal plate 101 is located at the starting position of the first layer of the tower crown, the second horizontal plate 102 is located at the starting position of the second layer, the third horizontal plate 103 is located at the starting position of the third layer, the fourth horizontal plate 104 is located at the starting position of the fourth layer, and the fifth horizontal plate 105 is located directly above the tower crown and the bottom surface thereof is the position of the top surface of the tower crown.

[0045] In some embodiments of the application, in addition to the first horizontal plate 101, the second horizontal plate 102 and the fifth horizontal plate 105, the remaining horizontal plates and longitudinal plates in the tooling need to be removed after the tower crown is formed. These plates are all spot-welded to the wall plates of the tower crown during the forming process of the tower crown, which facilitates the removal in the later stage.

[0046] In some embodiments of the present application, as shown in Figure 2 , 3 , the first horizontal plate 101 has four through holes in the four corners for the operator to pass through, and the second horizontal plate 102, the third horizontal plate 103 and the fourth horizontal plate 104 also have through holes in the middle.

[0047] In some embodiments of the present application, as shown in Figure 2 , 3 , the third horizontal plate 103 is a detachable structure formed by connecting a plurality of third plate bodies through a first connecting assembly; and the fourth horizontal plate 104 is a detachable structure formed by connecting a plurality of fourth plate bodies through a second connecting assembly, wherein the first connecting assembly and the second connecting assembly each include four connecting plates, which can have the same or different connecting edge shapes. The connecting plates are connected to the third plate bodies or the fourth plate bodies on both sides through bolts and nuts. This design facilitates the recycling of the third horizontal plate 103 and the fourth horizontal plate 104, thereby reducing the cost of subsequent tooling.

[0048] In some embodiments of the present application, as shown in Figure 2 , 3 , the longitudinal process partition plate unit 2 is arranged on both sides of the conical curved surface formed by lofting the tower crown arc segment to the arc segment, which facilitates the formation of the structure at the joint of the conical curved surface and other curved surfaces.

[0049] In some embodiments of the present application, the overall circumference contour size formed by the horizontal process partition plate unit 1 and the longitudinal process partition plate unit 2 is 1mm smaller than the internal size of the tower crown design.

[0050] In some embodiments of the present application, as shown in Figure 2 , 3 , the tooling for manufacturing the complex spatial curved tower crown further includes a ladder unit 3 connected from the first horizontal plate 101 to the third horizontal plate 103. The ladder unit 3 facilitates manual climbing inside the tooling.

[0051] In some embodiments of the present application, as shown in Figure 2 , 3 , the ladder unit 3 includes a ladder and a connecting plate. The ladder is arranged vertically, with the lower end connected to the first horizontal plate 101. The ladder passes through the through holes in the middle of the second horizontal plate 102 and the third horizontal plate 103, and the upper end of the ladder is connected to the bottom surface of the second horizontal plate 102 and the third horizontal plate 103 through the connecting plate, thereby stably positioning the ladder.

[0052] The tower crown tooling has the following advantages:

[0053] ①The tooling utilizes the partition plate and the sealing plate of the tower crown itself as the process partition plate, and the part of the tooling that needs to be made can be made by using the leftover material, thereby greatly reducing the tooling manufacturing cost;

[0054] ②The tooling adopts the combination of the horizontal process partition plate unit 1 and the longitudinal process partition plate unit 2, can realize the space multidirectional limiting, can effectively control the tower crown assembly size precision, and greatly improves the tower crown curved surface line type precision;

[0055] ③The tooling solves the problem that the irregular complex space curved surface cannot be bent by using the traditional bending process, avoids the problem of equipment limitation leading to the inability to manufacture and the delay of the construction period.

[0056] The above is only the embodiment of the present application, and the well-known specific structure and characteristics and other common knowledge in the scheme are not described in detail, the ordinary skilled in the art knows all the ordinary technical knowledge in the technical field of the present application before the application date or the priority date, can know all the prior art in the field and has the ability to apply the conventional experimental means before the date, the ordinary skilled in the art can improve and implement the present scheme under the inspiration given by the present application combined with their own ability, and some typical well-known structures or well-known methods should not be an obstacle for the ordinary skilled in the art to implement the present application. It should be pointed out that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application.

Claims

1. A manufacturing tool for a complex spatial curved crown, characterized in that, Comprise: Transverse process partition unit, comprising: First horizontal plate, located at the bottom of the tower crown and having a corresponding matching shape structure; Second horizontal plate, located directly above the first horizontal plate, located at the first deformation structure at the bottom of the tower crown and having a corresponding matching shape structure; Third horizontal plate, located directly above the second horizontal plate, located at the second deformation structure at the bottom of the tower crown and having a corresponding matching shape structure; Fourth horizontal plate, located directly above the third horizontal plate, located at the third deformation structure at the bottom of the tower crown and having a corresponding matching shape structure; Fifth horizontal plate, located directly above the fourth horizontal plate, located at the top of the tower crown; Longitudinal process partition unit, comprising: First longitudinal plate connected between the first horizontal plate and the second horizontal plate, the surface of the first longitudinal plate facing the outside matches the shape of the corresponding position of the tower crown; Second longitudinal plate connected between the second horizontal plate and the third horizontal plate, the surface of the second longitudinal plate facing the outside matches the shape of the corresponding position of the tower crown; Third longitudinal plate connected between the third horizontal plate and the fourth horizontal plate, the surface of the third longitudinal plate facing the outside matches the shape of the corresponding position of the tower crown; Fourth longitudinal plate connected between the fourth horizontal plate and the fifth horizontal plate, the surface of the fourth longitudinal plate facing the outside matches the shape of the corresponding position of the tower crown, and the fourth longitudinal plate forms an opening structure around the lower surface of the first horizontal plate at the top of the tower crown.

2. The manufacturing tooling for complex spatially curved crowns of claim 1, wherein, The third horizontal plate is a detachable structure formed by connecting a plurality of third plate bodies through a first connecting assembly; and the fourth horizontal plate is a detachable structure formed by connecting a plurality of fourth plate bodies through a second connecting assembly.

3. The method of claim 1, wherein the method further comprises: The longitudinal process partition unit is arranged on both sides of the conical curved surface formed by lofting the tower crown arc segment to the arc segment.

4. The method of claim 1, wherein the method further comprises: The overall circumference contour size of the transverse process partition unit and the longitudinal process partition unit is 1mm smaller than the internal size of the tower crown design.

5. The method of claim 1, wherein the method further comprises: Further comprising: Crawling ladder unit connected from the first horizontal plate to the third horizontal plate.

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