CN110271120B - Support frame for wind power blade mold frame and connecting structure of support frame - Google Patents
Support frame for wind power blade mold frame and connecting structure of support frame Download PDFInfo
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- CN110271120B CN110271120B CN201910549140.7A CN201910549140A CN110271120B CN 110271120 B CN110271120 B CN 110271120B CN 201910549140 A CN201910549140 A CN 201910549140A CN 110271120 B CN110271120 B CN 110271120B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
- B29C33/305—Mounting of moulds or mould support plates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
- B29L2031/082—Blades, e.g. for helicopters
- B29L2031/085—Wind turbine blades
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Abstract
The invention provides a supporting frame for a wind power blade mould frame, which comprises: a first support bar; the second supporting rod is perpendicular to the first supporting rod, and one end of the second supporting rod is fixedly connected with the first supporting rod; one end of the third supporting rod is fixedly connected with the first supporting rod, and the other end of the third supporting rod is fixedly connected with the second supporting rod; the fixed connection position of the third support bar on the second support bar meets the following relation: n L, wherein n is more than or equal to 3/5 and less than or equal to 7/10; s is the length of the joint of the third supporting rod and the second supporting rod from the first supporting rod; l is the length of second bracing piece. The invention further provides a connecting structure of the wind power blade mold frame and the supporting frame. The supporting frame for the wind power blade mould frame and the connecting structure of the wind power blade mould frame and the supporting frame can improve the fixing and supporting effect of the supporting frame on the wind power blade mould frame and improve the overall rigidity of the wind power blade mould frame.
Description
Technical Field
The invention relates to the field of wind power blade molds, in particular to a support frame for a wind power blade mold frame and a connecting structure of the support frame.
Background
In the production cycle of the wind power blade mould, the mould is in an open flat state for a long time, and the wind power blade mould frame is easy to deform under the load of the blades and the dead weight.
In the prior art, a person skilled in the art sets the longitudinal support rod and the oblique support rod on the wind power blade mold frame to improve the rigidity of the wind power blade mold frame, and reduce the deformation.
However, in the actual use process, the supporting and fixing effects of the longitudinal supporting rods and the oblique supporting rods on the wind power blade mold frame are not ideal, the problems of deformation, unbalanced deformation degree and the like easily occur, and the production efficiency of the wind power blade mold is affected.
In the prior art, an auxiliary supporting and fixing tool for a wind power blade mould frame is also provided, but the supporting and fixing effect is not ideal.
Therefore, a new supporting frame for the wind power blade mould frame and a connecting structure of the wind power blade mould frame and the supporting frame are produced, so that the fixing supporting effect of the supporting frame on the wind power blade mould frame is improved, the important significance is achieved, and the production efficiency and the production quality are improved.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and provides a supporting frame for a wind power blade mould frame and a connecting structure of the wind power blade mould frame and the supporting frame, which can improve the fixing and supporting effect of the supporting frame on the wind power blade mould frame and improve the overall rigidity of the wind power blade mould frame.
The invention adopts the following technical scheme for solving the technical problems:
the invention provides a supporting frame for a wind power blade mould frame, which comprises:
a first support bar;
the second supporting rod is perpendicular to the first supporting rod, and one end of the second supporting rod is fixedly connected with the first supporting rod;
one end of the third supporting rod is fixedly connected with the first supporting rod, and the other end of the third supporting rod is fixedly connected with the second supporting rod; the fixed connection position of the third support rod on the second support rod conforms to the following relationship:
S＝n L
wherein n is not less than 3/5 and not more than 7/10; s is the length of the joint of the third supporting rod and the second supporting rod from the first supporting rod; l is the length of the second supporting rod.
In order to further optimize the above technical solution, the technical measures taken by the present invention further include:
furthermore, the second supporting rod and the third supporting rod are fixedly connected with the first supporting rod in a welding mode, and the second supporting rod is fixedly connected with the third supporting rod in a welding mode.
Furthermore, the first support rod is a steel plate, and the second support rod and the third support rod are made of H-shaped steel. It is understood that the second support bar and the third support bar may be made of other steel materials.
The invention also provides a connecting structure of the wind power blade mould frame and the supporting frame, which comprises the wind power blade mould frame and the supporting frame for the wind power blade mould frame;
the wind power blade mould frame is in a hexahedral shape and consists of two upper main beams, two lower main beams, a plurality of stand columns, a plurality of upper cross braces and a plurality of lower cross braces; a plurality of parallel lower cross braces are connected between the two lower main beams, and the two lower main beams and the two lower cross braces connected to the two ends of the lower main beams form a trapezoid; the upper main beam is parallel to the lower main beam positioned at the same side and is connected with the lower main beam through a plurality of mutually parallel upright posts; the upper cross braces are arranged between the two upper main beams and fixedly connected with the upright posts, and the upper cross braces correspond to and are parallel to the lower cross braces one by one;
the support frame is fixed between the upper cross brace and the lower cross brace, and the second support rod is parallel to and fixedly connected with the upper cross brace.
In order to further optimize the above technical solution, the technical measures taken by the present invention further include:
further, the second supporting rod and the third supporting rod are fixedly connected with the upright column in a welding mode.
Further, the connecting structure of the wind power blade mould frame and the supporting frame further comprises a first fixing column and a second fixing column;
one end of each of the first fixing column and the second fixing column is fixedly connected with the upper main beam, and the other end of each of the first fixing column and the second fixing column is fixedly connected with the lower main beam positioned on the same side;
the middle part of the first fixing column is fixedly connected with the second supporting rod;
the middle part of the second fixing column is fixedly connected with the second supporting rod and the third supporting rod.
Further, the connecting structure of the wind power blade mould frame and the supporting frame further comprises a connecting beam;
the tie-beam is parallel with two the axis of going up the girder is located go up the stull with between the second bracing piece, and respectively with go up the stull, second bracing piece fixed connection.
Furthermore, a cushion block is arranged between the connecting beam and the upper cross brace, and the cushion block is fixedly connected with the connecting beam and the upper cross brace respectively; alternatively, the first and second electrodes may be,
and cushion blocks are arranged between the connecting beam and the second supporting rod and are fixedly connected with the connecting beam and the second supporting rod respectively.
Furthermore, the connecting beams are uniformly arranged between the upper cross brace and the second supporting rod.
Further, the connecting beam is made of I-shaped steel or rectangular tube steel.
Furthermore, the number of the supporting frames is at least two, and the supporting frames are respectively fixed on the wind power blade mould frame.
Further, the wind power blade mould frame further comprises a first inclined rod and a second inclined rod; one end of each of the first diagonal rod and the second diagonal rod is connected with two opposite upright columns, and the other end of each of the first diagonal rod and the second diagonal rod is connected with the lower cross brace; the included angle between the first diagonal rod and the lower cross brace is 30-70 degrees; the included angle between the second diagonal rod and the lower cross brace is 30-70 degrees;
the first support rod and the first inclined rod of the support frame are located on the same side.
Furthermore, a longitudinal support rod is arranged between the first diagonal rod and the second diagonal rod.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
according to the support frame for the wind power blade mould frame, the connection position of the third support rod and the second support rod in the support frame is adjusted by analyzing the overall structure of the wind power blade mould frame and combining the support fixing mode between the support frame and the wind power blade mould frame, so that the inertial thinking mode of triangular structure connection in the traditional mode is broken, and the length of the connection position of the third support rod and the second support rod from the first support rod is set to be 3/5-7/10 from the length of the second support rod. According to the support frame obtained according to the connection position relation, when the support frame is used for supporting and fixing the wind power blade mold frame, under the combined action of the force of the width, the height and the load distribution characteristics of the wind power blade mold frame, the deformation degree of the second support rod at the connection position with the third support rod can be balanced, so that the deformation degrees of the second support rod at two sides of the connection position of the third support rod are the same, the support effect of the support rod in the wind power blade mold frame is improved, and the integral rigidity of the wind power blade mold frame is facilitated.
According to the connecting structure of the wind power blade mould frame and the supporting frame, the second supporting rod which is vertically arranged relative to the first supporting rod is fixedly connected with the upper cross support of the wind power blade mould frame, so that the connecting structure is used for bearing the load of the upper cross support in the wind power blade mould frame and improving the rigidity of the upper cross support in the wind power blade mould frame. In the connecting structure of the wind power blade mold frame and the supporting frame in the traditional mode, the second supporting rod is fixed at the lower cross brace, although the center of gravity of the supporting frame in the traditional connecting mode is more stable, in actual operation, the connecting structure of the wind power blade mold frame and the supporting frame analyzes the load condition of the wind power blade mold frame in a horizontal opening state, and the fixing and supporting effect of the supporting frame on the wind power blade mold frame can be remarkably improved compared with the traditional mode by changing the upper and lower positions of the second supporting rod and the third supporting rod.
The connecting beam is arranged between the second supporting rod and the upper cross brace and fixedly connected with the second supporting rod and the upper cross brace respectively, so that the distance between the second supporting rod and the upper cross brace can be adjusted, and the second supporting rod and the upper cross brace can be fixedly connected through the connecting beam, and the purposes of flexible supporting and fixing can be achieved. According to the wind power blade die frame, the connecting beams are arranged in parallel with the central axes of the two upper main beams, so that the bending deformation phenomenon of the upper cross braces at different positions can be improved in the extending direction of the upper main beams, the wind power blade die frame can achieve better integrity under the fixed connection effect of the connecting beams, the longitudinal deformation of the wind power blade die frame can be restrained, and the overall rigidity of the wind power blade die frame can be improved.
According to the wind power blade mould frame, the at least two support frames are arranged on the wind power blade mould frame, and the second support rods of the support frames are fixedly connected with the connecting beam, so that the purpose that the connecting beam is fixedly connected with two adjacent support frames can be realized; compared with the traditional mode that only the supporting frame is connected with the wind power blade mould frame, the wind power blade mould frame and the supporting frame can be further improved in connection stability, so that the overall rigidity of the wind power blade mould frame is improved, the supporting frames can be integrated and act on the wind power blade mould frame together, and the fixing and supporting effect of the supporting frames on the wind power blade mould frame is further improved.
In the connecting structure of the wind power blade mold frame and the supporting frame, the connecting structure comprises the following components: the connecting structure of the wind power blade mould frame and the supporting frame is characterized in that a triangular structure is formed by the first supporting rod, the second supporting rod and the third supporting rod, a triangular structure is formed by the stand column, the first inclined rod and the lower cross brace, and a triangular structure is formed by the stand column, the second inclined rod and the lower cross brace.
Drawings
FIG. 1 is a schematic structural diagram of a support frame for a wind turbine blade mold frame according to the present invention;
FIG. 2 is a schematic view of a connecting structure of a wind power blade mold frame and a support frame of the invention;
FIG. 3 is an enlarged partial view of FIG. 2;
FIG. 4 is a left side view of FIG. 2;
FIG. 5 is a schematic view of a connection structure between a wind turbine blade mold frame and a support frame in a comparative example;
FIG. 6 is a schematic force diagram of a mold frame for a wind turbine blade in a white group in an effect verification example;
fig. 7 is a schematic force diagram of a wind turbine blade mold frame in a control group in an effect verification example;
fig. 8 is a schematic force diagram of a wind turbine blade mold frame in an experimental group in an effect verification example;
wherein the reference symbols are: 1-a first support bar; 2-a second support bar; 3-a third support bar; 4, mounting a main beam; 5-lower main beam; 6-upright post; 7-upper transverse bracing; 8-lower cross brace; 9-a first fixed column; 10-a second fixed column; 11-a connecting beam; 12-a first diagonal; 13-a second diagonal; 14-longitudinal support bars; 101-a first support bar; 102-a second support bar; 103-a third support bar; 104-a column; 105-upper wale; 106-lower cross brace.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
The embodiment provides a support frame for a wind turbine blade mold frame, as shown in fig. 1, including: a first support bar 1; the second support rod 2 is perpendicular to the first support rod 1, and the left end of the second support rod 2 is fixedly connected with the first support rod 1; the left end and the first bracing piece 1 fixed connection, the right-hand member and the 2 fixed connection of second bracing piece of third bracing piece 3, third bracing piece 3 to the fixed connection position of third bracing piece 3 on second bracing piece 2 accords with following relation: n L, wherein n is more than or equal to 3/5 and less than or equal to 7/10, and S is the length from the joint of the third support bar 3 and the second support bar 2 to the first support bar 1; l is the length of the second support bar 2.
As a preferred embodiment, the fixed connection position of the third support bar 3 on the second support bar 2 in the present embodiment and the length of the second support bar 2 satisfy the following relationship: s-n L, where n-2/3; s is the length from the joint of the third support rod 3 and the second support rod 2 to the first support rod 1; l is the length of the second support bar 2.
In a preferred embodiment, in the present embodiment, the second support bar 2 and the third support bar 3 are both fixedly welded to the first support bar 1, and the second support bar 2 is fixedly welded to the third support bar 3.
In a preferred embodiment, the first support bar 1 is made of steel plate, and the second support bar 2 and the third support bar 3 are made of H-shaped steel.
In this embodiment, the left side of the first support rod 1 is fixedly connected with a hydraulic oil cylinder for fixing the position of the first support rod 1; the two hydraulic oil cylinders are respectively positioned at the fixed connection position of the second support rod 2 and the first support rod 1 and the fixed connection position of the third support rod 3 and the first support rod 1.
Example 2
This embodiment provides a connection structure of wind-powered electricity generation blade mould frame and support frame, as shown in fig. 2-3, including wind-powered electricity generation blade mould frame to and the support frame that is used for wind-powered electricity generation blade mould frame in embodiment 1, wherein:
the wind power blade mould frame is in a hexahedron shape and consists of two upper main beams 4, two lower main beams 5, a plurality of upright posts 6, a plurality of upper cross braces 7 and a plurality of lower cross braces 8; a plurality of parallel lower cross braces 8 are connected between the two lower main beams 5, and the two lower main beams 5 and the two lower cross braces 8 connected at the two ends of the lower main beams 5 form a trapezoid; the upper main beam 4 is parallel to the lower main beam 5 positioned at the same side and is connected with the lower main beam 5 through a plurality of mutually parallel upright posts 6; the upper cross braces 7 are arranged between the two upper main beams 4 and fixedly connected with the upright posts 6, and the upper cross braces 7 correspond to and are parallel to the lower cross braces 8 one by one;
as shown in fig. 4 (fig. 4 is a left side view of fig. 2, but only shows a connection structure of the support frame and the left side surface of the wind turbine blade mold frame), the support frame is fixed between the upper cross brace 7 and the lower cross brace 8, and the second support rod 2 is parallel to and fixedly connected with the upper cross brace 7; the second supporting rod 2 and the third supporting rod 3 of the supporting frame are fixedly connected with the upright post 6 in a welding mode.
In this embodiment, the upper main beam 4, the lower main beam 5, the upright column 6, the upper cross brace 7 and the lower cross brace 8 may be fixedly connected by welding; in this embodiment, the second support bar 2 and the third support bar 3 can be fixedly connected to the upright 6 by welding.
In this embodiment, as shown in fig. 2, two adjacent vertical columns 6 located at the same end of the wind turbine blade mold frame are close to each other, and the second support rod 2 is simultaneously fixedly connected to the two adjacent vertical columns 6, and similarly, the third support rod 3 is simultaneously fixedly connected to the two adjacent vertical columns 6, thereby contributing to improving the connection firmness and connection reliability between the second support rod 2, the third support rod 3, and the vertical columns 6.
As a preferred embodiment, in this embodiment, the wind turbine blade mold frame and support frame further includes a first fixing column 9 and a second fixing column 10; the upper ends of the first fixing column 9 and the second fixing column 10 are respectively fixedly connected with one end of the upper main beam 4, and the lower ends of the first fixing column and the second fixing column are respectively fixedly connected with one end of the lower main beam 5 positioned on the same side; the middle part of the first fixing column 9 is fixedly connected with the right end of the second supporting rod 2; the middle part of the second fixing column 10 is fixedly connected with the left ends of the second supporting rod 2 and the third supporting rod 3.
In this embodiment, the second support rod 2 and the third support rod 3 can be fixedly connected to the upright 6, the upper main beam 4 and the lower main beam 5 by the above connection and fixation method.
In this embodiment, the second support bar 2 and the third support bar 3 may be fixedly connected with the first fixing column 9 and the second fixing column 10 by welding; the first fixing columns 9 and the second fixing columns 10 can be fixedly connected with the upper main beam 4 and the lower main beam 5 by welding.
As a preferred embodiment, in this embodiment, the wind turbine blade mold frame and the support frame further include a connecting beam 11, the connecting beam 11 is parallel to central axes of the two upper main beams 4, is located between the upper cross brace 7 and the second support rod 2, and is respectively fixedly connected to the upper cross brace 7 and the second support rod 2; so as to be used for the fixed connection between the second support bar 2 and the upper cross brace 7, and simultaneously used for adjusting the distance between the second support bar 2 and the upper cross brace 7.
As a preferred embodiment, in this embodiment, a cushion block is arranged between the connecting beam 11 and the upper cross brace 7, and the cushion block is fixedly connected with the connecting beam 11 and the upper cross brace 7 respectively; or, a cushion block is arranged between the connecting beam 11 and the second support rod 2, and the cushion block is respectively fixedly connected with the connecting beam 11 and the second support rod 2.
In this embodiment, the cushion block may be made of small steel. The specific size of the spacer block should be determined according to the distance requirement between the actual second support bar 2 and the upper support 7.
As a preferred embodiment, in this embodiment, the number of the connecting beams 11 is several, and the several connecting beams 11 are uniformly arranged between the upper cross brace 7 and the second supporting rod 2 along the direction of the second supporting rod 2. The use of the connecting beams 11 can improve the connection firmness and the connection reliability between the second supporting rod 2 and the upper cross brace 7, can also improve the overall rigidity of the wind power blade mold frame, and is favorable for improving the fixed supporting effect of the supporting frame on the wind power blade mold frame. The connecting beam 11 may be made of i-shaped steel or rectangular steel.
In a preferred embodiment, at least two support frames are respectively fixed on the wind power blade mold frame. In the embodiment, a plurality of support frames are used for the wind power blade mould frame, and the plurality of support frames are arranged along the length direction of the wind power blade mould frame as required; the tie-beam 11 is connected through the second bracing piece 2 with the support frame to two adjacent support frames of fixed connection make two support frames that are located the both ends of wind-powered electricity generation blade mould frame as an organic whole, coact in wind-powered electricity generation blade mould frame, thereby further improve the fixed stay effect of support frame to wind-powered electricity generation blade mould frame. In this embodiment, in concrete operation, the second bracing piece 2 of the support frame of the wind-powered electricity generation blade mould frame of a plurality of units of coupling beam 11 fixed connection to can enough make a plurality of support frames of the wind-powered electricity generation blade mould frame of same unit become one, can also make a plurality of support frames of the wind-powered electricity generation blade mould frame of different units become one, act on wind-powered electricity generation blade mould frame jointly, help further improving the fixed stay effect of support frame to wind-powered electricity generation blade mould frame.
As a preferred embodiment, in this embodiment, the wind turbine blade mold frame further includes a first diagonal rod 12 and a second diagonal rod 13; one ends of the first diagonal rod 12 and the second diagonal rod 13 are respectively connected with the two opposite upright posts 6, and the other ends are connected with the lower cross brace 8; the included angle between the first inclined rod 12 and the lower cross brace 8 is 30-70 degrees; the included angle between the second diagonal rod 13 and the lower cross brace 8 is 30-70 degrees; a longitudinal support rod 14 is also arranged between the first inclined rod 12 and the second inclined rod 13; the first support rod 1 and the first inclined rod 12 of the support frame are positioned on the same side.
Comparative example
This contrast example provides a connection structure of wind-powered electricity generation blade mould frame and support frame, including wind-powered electricity generation blade mould frame and the support frame that is used for wind-powered electricity generation blade mould frame, wherein:
the wind power blade mold frame in the comparative example has the same structure as the wind power blade mold frame in the embodiment 2;
the support frame for the wind power blade mold frame in the comparative example is composed of the following components: the support device comprises a first support rod 101, a second support rod 102 vertically connected with the first support rod 101, and a third support rod 103 which is obliquely arranged and fixedly connected with the first support rod 101 and the second support rod 102 respectively; the joint of the third support bar 103 and the second support bar 102 is positioned in the middle of the second support bar 102;
as shown in fig. 5, the connection mode between the wind turbine blade mold frame and the support frame in the comparative example is as follows: the supporting frame is fixed between the upper cross brace 105 and the lower cross brace 106, and the second supporting rod 102 is parallel to and fixedly connected with the lower cross brace 106.
Example of Effect verification
Test subjects: taking a wind power blade mould frame without a support frame as a blank group; taking the connecting structure of the wind power blade mould frame and the supporting frame of the comparison example as a comparison group; the connection structure of the wind power blade mold frame and the support frame of the embodiment 2 is used as an experimental group.
The test mode is as follows: and (3) enabling the mold to be in a horizontal flat state after being opened at 0 ℃, fixing the left side, applying load to the upper cross brace, and measuring the maximum displacement of the upper cross brace on different test objects by using a vernier caliper. The method specifically comprises the following steps: as shown in fig. 6, the left side upright post of the wind turbine blade mold frame in the blank group is fixed, a pressure of 1 kilopascal is vertically and downwards applied to the upper cross brace, and then the maximum displacement of the upper cross brace in the vertical direction is measured; as shown in fig. 7, the first support bar of the support frame in the control group was fixed, a pressure of 1 kpa was applied vertically downward to the upper cross-brace, and then the maximum displacement of the upper cross-brace in the vertical direction was measured; as shown in fig. 8, the first support bar of the support frames in the experimental group was fixed, a pressure of 1 kpa was vertically applied downward to the upper wale, and then the maximum displacement of the upper wale in the vertical direction was measured.
Test results show that the maximum displacement of the cross brace on the blank group is taken as L0And calculating to obtain the maximum displacement of the cross brace on the comparison group as 0.4L0The maximum displacement of the transverse strut on the experimental group is 0.2L0. Therefore, the connecting structure of the wind power blade mold frame and the supporting frame can obviously reduce the displacement of the upper cross brace, and the connecting structure of the wind power blade mold frame and the supporting frame can help to reduce the deformation degree of the wind power blade mold frame and improve the supporting effect of the wind power blade mold frame.
According to the embodiment, the connection position of the third support rod and the second support rod in the support frame is adjusted by analyzing the overall structure of the wind power blade mold frame and combining the support fixing mode between the support frame and the wind power blade mold frame, so that the inertial thinking mode of connection of a triangular structure in the traditional mode is broken, and the length of the connection position of the third support rod and the second support rod from the first support rod is set to be 3/5-7/10 longer than that of the second support rod. According to the support frame obtained according to the connection position relation, when the support frame is used for supporting and fixing the wind power blade mold frame, under the combined action of the force of the width, the height and the load distribution characteristics of the wind power blade mold frame, the deformation degree of the second support rod at the connection position with the third support rod can be balanced, so that the deformation degrees of the second support rod at two sides of the connection position of the third support rod are the same, the support effect of the support rod in the wind power blade mold frame is improved, and the integral rigidity of the wind power blade mold frame is facilitated.
According to the connecting structure of the wind power blade mold frame and the supporting frame, the second supporting rod which is vertically arranged relative to the first supporting rod is fixedly connected with the upper cross support of the wind power blade mold frame, so that the load of the upper cross support in the wind power blade mold frame is borne, and the rigidity of the upper cross support in the wind power blade mold frame is improved. In the connecting structure of the wind power blade mold frame and the supporting frame in the traditional mode, the second supporting rod is fixed at the lower cross brace, although the center of gravity of the supporting frame in the traditional connecting mode is more stable, in actual operation, the connecting structure of the wind power blade mold frame and the supporting frame analyzes the load condition of the wind power blade mold frame in a horizontal opening state, and the fixing and supporting effect of the supporting frame on the wind power blade mold frame can be remarkably improved compared with the traditional mode by changing the upper and lower positions of the second supporting rod and the third supporting rod.
According to the embodiment, the connecting beam is arranged between the second supporting rod and the upper cross brace, and is fixedly connected with the second supporting rod and the upper cross brace respectively, so that the distance between the second supporting rod and the upper cross brace can be adjusted, and the second supporting rod and the upper cross brace can be fixedly connected through the connecting beam, and the purpose of flexible supporting and fixing can be achieved. According to the wind power blade die frame, the connecting beams are arranged in parallel with the central axes of the two upper main beams, so that the bending deformation phenomenon of the upper cross braces at different positions can be improved in the extending direction of the upper main beams, the wind power blade die frame can achieve better integrity under the fixed connection effect of the connecting beams, the longitudinal deformation of the wind power blade die frame can be restrained, and the overall rigidity of the wind power blade die frame can be improved.
According to the embodiment, at least two support frames are arranged on the wind power blade mould frame, and the second support rods of the support frames are fixedly connected with the connecting beam, so that the purpose that the connecting beam is fixedly connected with two adjacent support frames can be achieved; compared with the traditional mode that only the supporting frame is connected with the wind power blade mould frame, the wind power blade mould frame and the supporting frame can be further improved in connection stability, so that the overall rigidity of the wind power blade mould frame is improved, the supporting frames can be integrated and act on the wind power blade mould frame together, and the fixing and supporting effect of the supporting frames on the wind power blade mould frame is further improved.
According to the embodiment, in the connecting structure of the wind power blade mold frame and the support frame, the wind power blade mold frame comprises the following components: the connecting structure of the wind power blade mould frame and the supporting frame is characterized in that a triangular structure is formed by the first supporting rod, the second supporting rod and the third supporting rod, a triangular structure is formed by the stand column, the first inclined rod and the lower cross brace, and a triangular structure is formed by the stand column, the second inclined rod and the lower cross brace.
Claims (5)
1. A connecting structure of a wind power blade mould frame and a supporting frame is characterized in that,
including wind-powered electricity generation blade mould frame, and be used for wind-powered electricity generation blade mould frame's support frame, a support frame for wind-powered electricity generation blade mould frame includes: a first support bar; the second supporting rod is perpendicular to the first supporting rod, and one end of the second supporting rod is fixedly connected with the first supporting rod; one end of the third supporting rod is fixedly connected with the first supporting rod, and the other end of the third supporting rod is fixedly connected with the second supporting rod; the fixed connection position of the third support rod on the second support rod conforms to the following relationship: n L, wherein n is more than or equal to 3/5 and less than or equal to 7/10; s is the length of the joint of the third supporting rod and the second supporting rod from the first supporting rod; l is the length of the second supporting rod; the first supporting rod is a steel plate, and the second supporting rod and the third supporting rod are made of H-shaped steel;
the wind power blade mould frame is in a hexahedral shape and consists of two upper main beams, two lower main beams, a plurality of stand columns, a plurality of upper cross braces and a plurality of lower cross braces; a plurality of parallel lower cross braces are connected between the two lower main beams, and the two lower main beams and the two lower cross braces connected to the two ends of the lower main beams form a trapezoid; the upper main beam is parallel to the lower main beam positioned at the same side and is connected with the lower main beam through a plurality of mutually parallel upright posts; the upper cross braces are arranged between the two upper main beams and fixedly connected with the upright posts, and the upper cross braces correspond to and are parallel to the lower cross braces one by one;
the support frame is fixed between the upper cross brace and the lower cross brace, and the second support rod is parallel to and fixedly connected with the upper cross brace;
the wind power blade mould frame further comprises a connecting beam;
the connecting beam is parallel to the central axes of the two upper main beams, is positioned between the upper cross brace and the second supporting rod, and is fixedly connected with the upper cross brace and the second supporting rod respectively;
a cushion block is arranged between the connecting beam and the upper cross brace, and the cushion block is fixedly connected with the connecting beam and the upper cross brace respectively; alternatively, the first and second electrodes may be,
a cushion block is arranged between the connecting beam and the second support rod and is fixedly connected with the connecting beam and the second support rod respectively;
the connecting beams are uniformly distributed between the upper cross brace and the second supporting rod.
2. The connecting structure of the wind power blade mold frame and the support frame according to claim 1, wherein the second support rod and the third support rod are both fixedly connected with the first support rod by welding, and the second support rod is fixedly connected with the third support rod by welding.
3. The connecting structure of the wind power blade mold frame and the supporting frame according to claim 2, further comprising a first fixing column and a second fixing column;
one end of each of the first fixing column and the second fixing column is fixedly connected with the upper main beam, and the other end of each of the first fixing column and the second fixing column is fixedly connected with the lower main beam positioned on the same side;
the middle part of the first fixing column is fixedly connected with the second supporting rod;
the middle part of the second fixing column is fixedly connected with the second supporting rod and the third supporting rod.
4. The connecting structure of the wind power blade mold frame and the supporting frame according to claim 3, wherein the number of the supporting frames is at least two, and the supporting frames are respectively fixed on the wind power blade mold frame.
5. The connecting structure of the wind power blade mold frame and the support frame according to claim 1, wherein the wind power blade mold frame further comprises a first diagonal rod and a second diagonal rod; one end of each of the first diagonal rod and the second diagonal rod is connected with two opposite upright columns, and the other end of each of the first diagonal rod and the second diagonal rod is connected with the lower cross brace; the included angle between the first diagonal rod and the lower cross brace is 30-70 degrees; the included angle between the second diagonal rod and the lower cross brace is 30-70 degrees;
the first support rod and the first inclined rod of the support frame are located on the same side.
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| CN201910549140.7A CN110271120B (en) | 2019-06-24 | 2019-06-24 | Support frame for wind power blade mold frame and connecting structure of support frame |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206598A (en) * | 2012-01-11 | 2013-07-17 | 昆山允升吉光电科技有限公司 | Support frame |
| CN203867216U (en) * | 2014-04-02 | 2014-10-08 | 北京六建集团有限责任公司 | Detachable steel frame supporting structure for ultra-high-rise building cantilevered plate |
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2019
- 2019-06-24 CN CN201910549140.7A patent/CN110271120B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206598A (en) * | 2012-01-11 | 2013-07-17 | 昆山允升吉光电科技有限公司 | Support frame |
| CN203867216U (en) * | 2014-04-02 | 2014-10-08 | 北京六建集团有限责任公司 | Detachable steel frame supporting structure for ultra-high-rise building cantilevered plate |
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| CN110271120A (en) | 2019-09-24 |
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