Blade test bed
By using a sliding locking structure on the blade test bench, the problem of difficult welding at high altitudes in large equipment was solved, enabling convenient fixing of the pipe and improving operational safety and efficiency.
Patent Information
- Application Number
- CN202422810583.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-19
AI Technical Summary
The existing blade test rig uses welding technology between the through-tube and the panel, which makes welding at high altitudes difficult, especially due to the large size of the equipment, increasing the complexity and danger of operation.
The sliding locking mechanism, including a screw block and a rotating cylinder, secures the through-tube to the panels via a threaded connection, reducing the need for welding.
It simplifies the installation process of pipes, reduces the difficulty and danger of working at heights, and improves the safety and efficiency of operations.
Smart Images
Figure CN223597165U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model discloses blade test technical field especially relates to blade test bench. BACKGROUND
[0002] Under the big trend of energy saving and consumption reduction, vigorously advocating low-carbon economy, wind power, one of green energy, becomes the important direction of long-term development of national strategic energy. With the growth of wind energy utilization demand and the development of wind power technology, wind turbine is increasingly large, and higher requirements are put forward for its safety and economy, and the blade is one of the key core components of wind turbine, directly affects the performance and cost of the whole unit, and the development and manufacturing of the blade cannot be separated from the test and research of the blade performance.
[0003] The blade test bench is the key equipment for static load test of wind power blade, and the working surface needs to have high flatness requirement as the joint surface of the blade to ensure the effectiveness of static load and fatigue test. The existing blade test bench is mainly composed of two panels and 708 penetrating pipes, and the product size is 8.5m x 8.5m x 2.5m. After the product is made, the surface flatness requirement is within 0.5mm, the position accuracy of 708 penetrating pipes is within 2mm, and the perpendicularity is within 2mm.
[0004] However, the existing 708 penetrating pipes and the two panels are all welded, and the product size is 8.5m x 8.5m x 2.5m, which is relatively wide, so it is necessary for a person to hoist to the upper part to weld. When a person welds in the air, one hand needs to hold the penetrating pipe, and the other hand needs to hold the welding tool. At this time, the person is also in the high place, which greatly increases the difficulty of welding. UTILITY MODEL CONTENTS
[0005] The utility model discloses a blade test bench, which can solve the problem of welding between the existing penetrating pipe and the two panels, and the product size is 8.5m x 8.5m x 2.5m, which is relatively wide, so it is necessary for a person to hoist to the upper part to weld. When a person welds in the air, one hand needs to hold the penetrating pipe, and the other hand needs to hold the welding tool. At this time, the person is also in the high place, which greatly increases the difficulty of welding.
[0006] Therefore, the utility model discloses a blade test bench, which can solve the problem of welding between the existing penetrating pipe and the two panels, and the product size is 8.5m x 8.5m x 2.5m, which is relatively wide, so it is necessary for a person to hoist to the upper part to weld. When a person welds in the air, one hand needs to hold the penetrating pipe, and the other hand needs to hold the welding tool. At this time, the person is also in the high place, which greatly increases the difficulty of welding.
[0007] The preferred embodiment is that the sliding lock is integrally formed by two parts, one part is the knob, and the other part is the rotating cylinder, the knob is hexagonal on the outside, and the inside of the knob is provided with a hole diameter sliding in the through pipe.
[0008] The preferred embodiment is that the hole diameter of the rotating cylinder is larger than that of the through pipe, and the inner wall of the rotating cylinder is provided with internal threads.
[0009] The preferred embodiment is that the outside of each through hole on the panel 1 and the panel 2 is further provided with a cylindrical groove, the inside of the cylindrical groove is provided with external threads, and the external threads on the cylindrical groove can be matched with the internal threads of the rotating cylinder.
[0010] The preferred embodiment is that the outside of the two ends of the through pipe is further integrally provided with a stop ring, the stop ring blocks the two through pipes from sliding outwards, and the diameter of the stop ring is smaller than the inner diameter of the rotating cylinder.
[0011] The beneficial effect is that when the through pipe is installed between the panel 1 and the panel 2, the through pipe is placed in the two through holes between the panel 1 and the panel 2, and then the knob of the sliding lock is rotated by using a wrench, so that the rotating cylinder connected to one side of the knob is matched with the external threads on the cylindrical groove, the sliding lock is locked on the panel 1 or the panel 2, and the through pipe is completely fixed together, thereby reducing the working difficulty. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 It is a schematic diagram of the overall structure of the utility model;
[0013] Fig. 2 It is a partial sectional view of the overall structure of the utility model;
[0014] Fig. 3 It is a schematic diagram of the sliding lock structure of the utility model;
[0015] Fig. 4 It is a schematic diagram of the through pipe structure of the utility model;
[0016] Figs. 1 to 4 The reference signs are: panel 1, through hole 101, cylindrical groove 102, panel 2, connecting pipe 3, through pipe 4, stop ring 401, sliding lock 5, knob 501, rotating cylinder 502. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0018] REFERENCE Figs. 1 to 4, the blade test bench, including panel one 1, panel two 2 and connecting pipe 3, panel one 1 and panel two 2 are same sex components, panel one 1 and panel two 2 are welded together through connecting pipe 3 between the center, panel one 1 and panel two 2 have a plurality of corresponding perforations 101, the perforation 101 of panel one 1 and the perforation 101 of panel two 2 are placed with the through pipe 4, the middle of each through pipe 4 is slidably provided with two sliding locks 5 locked to panel one 1 and panel two 2 respectively, and the two sliding locks 5 are symmetrically arranged.
[0019] Preferably: the sliding lock 5 is composed of two parts, one part is the knob 501, the other part is the rotating cylinder 502, the outer side of the knob 501 is hexagonal block, the inner side of the knob 501 is provided with a hole diameter sliding in the through pipe 4, the rotating cylinder 502 is cylindrical, the inner diameter of the rotating cylinder 502 is larger than the hole diameter of the through pipe 4, the inner wall of the rotating cylinder 502 is provided with internal threads, the outer side of each perforation 101 on the panel 11 and the panel two 2 is also provided with a cylindrical groove 102, the inside of the cylindrical groove 102 is provided with external threads, the external threads on the cylindrical groove 102 can be matched with the internal threads of the rotating cylinder 502; the through pipe 4 is placed between the two perforations 101 of panel one 1 and panel two 2, the two ends of the through pipe 4 are in contact with each other, then the sliding lock 5 is slid, and the two sliding locks 5 are placed in the cylindrical groove 102 of panel one and panel two 2 respectively, then the knob 501 of the sliding lock 5 is rotated using a wrench, the rotating cylinder 502 connected to one side of the knob 501 is aligned with the cylindrical groove 102 of panel one 1 or panel two 2, then the external threads on the cylindrical groove 102 can be matched with the internal threads of the rotating cylinder 502, so that the sliding lock 5 is locked on panel one 1 or panel two 2.
[0020] Preferably: the two ends of the through pipe 4 are integrally provided with a stop ring 401, the stop ring 401 blocks the two through pipes 4 from sliding outwards, the diameter of the stop ring 401 is smaller than the inner diameter of the rotating cylinder 502.
[0021] Working principle:
[0022] When it is needed to install the through pipe 4 to the panel one 1 and the panel two 2, the through pipe 4 can be firstly placed in the two through holes 101 between the panel one 1 and the panel two 2, and the two ends of the through pipe 4 are in contact with each other in the two through holes 101, then the slide lock pieces 5 are slid to be respectively in the cylindrical grooves 102 of the panel one 1 and the panel two 2, then the wrench is used to rotate the screw block 501 of the slide lock piece 5, the rotating cylinder 502 connected to one side of the screw block 501 is rotated to be aligned with the cylindrical groove 102 of the panel one 1 or the panel two 2, then the external thread on the cylindrical groove 102 can be matched with the internal thread of the rotating cylinder 502, then the slide lock piece 5 is extended with the rotation to be separated from the stop block 401 of the through pipe 4, and the stop block 401 can prevent the rotation of the slide lock piece 5, at this time, the slide lock piece 5 and one end of the through pipe 4 are locked on the panel one 1 or the panel two 2, and the plurality of slide lock pieces 5 are locked on the panel one 1 and the panel two 2 by the wrench, so that the through pipe 4 can be completely fixed together, and the difficulty of the original welding work is reduced.
[0023] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A blade test bench, comprising a first panel (1), a second panel (2), and a connecting pipe (3), wherein the first panel (1) and the second panel (2) are homogeneous components, and the center of the first panel (1) and the second panel (2) are welded together by the connecting pipe (3), and both the first panel (1) and the second panel (2) have multiple corresponding through holes (101), characterized in that: A through-tube (4) is installed between the through-hole (101) of panel one (1) and the through-hole (101) of panel two (2).
2. The blade test rig according to claim 1, characterized in that, Each through-tube (4) is provided with two sliding locks (5) that are respectively locked to panel one (1) and panel two (2) in the middle, and the two sliding locks (5) are arranged symmetrically.
3. The blade test rig according to claim 2, characterized in that, The sliding lock (5) is integrally formed from two parts, one of which is a screw block (501) and the other is a rotating cylinder (502). The outer side of the screw block (501) is hexagonal, and the inner side of the screw block (501) is provided with a hole that slides on the through tube (4). The rotating cylinder (502) is cylindrical.
4. The blade test rig according to claim 3, characterized in that, The inner diameter of the rotary cylinder (502) is larger than the diameter of the through tube (4), and the inner wall of the rotary cylinder (502) is provided with internal threads.
5. The blade test rig according to claim 2, characterized in that, Each perforation (101) on panel 1 (1) and panel 2 (2) is provided with a cylindrical groove (102) on the outside. The cylindrical groove (102) is provided with an external thread inside. The external thread on the cylindrical groove (102) can cooperate with the internal thread of the rotating cylinder (502).
6. The blade test rig according to claim 4, characterized in that, The two ends of the through-tube (4) are also integrally formed with retaining rings (401). The retaining rings (401) prevent the two through-tubes (4) from sliding outward. The diameter of the retaining rings (401) is smaller than the inner diameter of the rotating cylinder (502).