Static pull-down loading reversing device

Abstract

The utility model discloses a static force pull-down loading reversing device, and belongs to the field of blade static force testing. The transverse beam moves between the static force loading mechanism and the blade clamping mechanism in the direction perpendicular to the rope, the installation seats are fixed to the two ends of the transverse beam and used for being connected with a workshop ground rail, and first bolts used for fixing the installation seats to the workshop ground rail are arranged on the installation seats. A base is fixedly installed at the end, away from the installation base, of the cross beam, a second bolt used for fixing the base to the cross beam is arranged on the base, and the end, away from the cross beam, of the base is movably connected with a pulley assembly used for allowing the rope to penetrate through. The static pull-down loading reversing device can change the loading direction, has the advantages of being good in stability, convenient to disassemble and assemble, high in adaptability and high in adjustability, and is beneficial to improving the use efficiency and safety of equipment.

Description

Technical Field

[0001] The utility model relates to the field of blade static testing, in particular to a static pull-down loading reversing device. Background Art

[0002] Blade static testing is the process of subjecting blades to static loads. In this test, the blades are exposed to specific static loads to simulate the forces under actual use conditions. This test can be used to evaluate the performance and stability of the blades when subjected to static loads.

[0003] When changing the loading direction of the existing static loading device, the entire support needs to be disassembled and reassembled to adjust the tilt angle, thereby changing the loading direction. The whole process is time-consuming, labor-intensive and very inconvenient.

[0004] Therefore, a static pull-down loading reversing device is provided to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The utility model provides a static pull-down loading reversing device, aiming to solve the problem that the existing static loading device mentioned in the background technology is time-consuming and labor-intensive to adjust the loading direction.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a static pull-down loading reversing device, which includes a beam moving in a direction perpendicular to the rope between a static loading mechanism and a blade clamping mechanism, and mounting seats fixed at both ends of the beam for connecting to a workshop floor rail.

[0009] In order to change the loading direction by pulling the rope through the crossbeam, a first bolt for fixing the mounting seat on the workshop floor rail is provided on the mounting seat, a base is fixedly installed on the end of the crossbeam away from the mounting seat, and a second bolt for fixing the base on the crossbeam is provided on the base, and a pulley assembly for passing the rope is movably connected to the end of the base away from the crossbeam, so that when the crossbeam moves, the rope is pulled by the pulley assembly, thereby changing the force direction of the static loading mechanism.

[0010] Preferably, in order to improve the stability of the pulley assembly when subjected to force, the pulley assembly includes a lifting ear movable seat fixedly connected to the base away from one end of the beam, a lifting ear ring movably connected to the lifting ear movable seat away from one end of the base, a pulley movably on the lifting ear ring away from one end of the lifting ear movable seat, and a connecting piece for movably connecting the pulley to the lifting ear ring, so that the pulley assembly can naturally adapt by adjusting its shape when the direction of force changes.

[0011] Preferably, in order to improve the stability of the connecting piece and also facilitate assembly and disassembly, the connecting piece includes an adapter arranged between the lifting eye and the lifting ring and the pulley, and a pin shaft for movably connecting the lifting eye and the lifting ring to the pulley.

[0012] Preferably, in order for the pulley assembly to adapt to forces at various angles, the lifting eye movable seat is a universal rotating seat.

[0013] Preferably, in order to further adjust the loading direction of the rope, positioning holes for locking the first bolts are distributed in a matrix on one side of the crossbeam close to the base.

[0014] (III) Beneficial effects

[0015] The static pull-down loading reversing device can realize the change of loading direction and has the advantages of good stability, convenient disassembly and assembly, strong adaptability and high adjustability, which is conducive to improving the use efficiency and safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a static pull-down loading reversing device;

[0017] Figure 2 The figure is a three-dimensional structural schematic diagram of a static pull-down loading reversing device in operation.

[0018] In the figure:

[0019] 1. Beam; 11. Positioning hole; 2. Mounting seat; 21. First bolt; 3. Base; 31. Second bolt;

[0020] 4. Pulley assembly;

[0021] 41. Lifting eye movable seat; 42. Lifting eye lifting ring; 43. Pulley;

[0022] 44. Connectors;

[0023] 441. Adapter; 442. Pin. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1 and Figure 2 The utility model provides a technical solution: a static pull-down loading reversing device, the reversing device includes a beam 1 that moves between a static loading mechanism and a blade clamping mechanism in a direction perpendicular to the rope, and mounting seats 2 fixed at both ends of the beam 1 for connecting with a workshop floor rail, the mounting seat 2 is provided with a first bolt 21 for fixing the mounting seat 2 on the workshop floor rail, a base 3 is fixedly installed on one end of the beam 1 away from the mounting seat 2, a second bolt 31 is provided on the base 3 for fixing the base 3 on the beam 1, and a pulley assembly 4 for the rope to pass through is movably connected to one end of the base 3 away from the beam 1.

[0026] When in use, the position of the beam 1 is predetermined, and then the mounting base 2 is fixed to the workshop rail by the first bolt 21 to stabilize the beam 1. Then, the position of the base 3 is set, and the base 3 is locked to the beam 1 by the second bolt 31 to fix the pulley assembly 4. The rope of the static loading mechanism is passed through the pulley assembly 4 and then connected to the blade clamping mechanism, so that during the loading process, the rope changes the loading direction under the downward pull of the pulley assembly 4.

[0027] Specifically, the pulley assembly 4 includes a lifting ear movable seat 41 fixedly connected to one end of the base 3 away from the crossbeam 1, a lifting ear ring 42 movably connected to one end of the lifting ear movable seat 41 away from the base 3, a pulley 43 movably connected to the lifting ear ring 42 at one end away from the lifting ear movable seat 41, and a connecting member 44 for movably connecting the pulley 43 with the lifting ear ring 42; when the rope is loaded, the pulley 43 is subjected to force and tilted, driving the lifting ear ring 42 on the lifting ear movable seat 41 to tilt in the same direction as the pulley 43, thereby changing the shape of the pulley assembly 4 to adapt to the force and improve the stability of the structure.

[0028] Furthermore, the connecting member 44 includes an adapter 441 arranged between the lifting eye 42 and the pulley 43 and a pin 442 for movably connecting the lifting eye 42 and the pulley 43; by disassembling and assembling the pin 442, the rope can be quickly placed under the pulley 43 and quickly disassembled.

[0029] It should be noted that the lifting eye movable seat 41 is a universal rotating seat; the universal rotating seat can better adapt to the force of the pulley 43 and meet the shape changes at multiple angles.

[0030] Furthermore, one side of the beam 1 close to the base 3 is provided with positioning holes 11 for locking the first bolts 21 in a matrix arrangement; the position of the base 3 on the beam 1 can be further adjusted through the positioning holes 11, thereby further changing the force point of the rope and better adjusting the loading angle.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A static pull-down loading reversing device, characterized in that: The reversing device comprises a crossbeam (1) moving in a direction perpendicular to the rope between a static loading mechanism and a blade clamping mechanism, and mounting seats (2) fixed at both ends of the crossbeam (1) for connecting to a workshop floor rail, the mounting seat (2) being provided with a first bolt (21) for fixing the mounting seat (2) to the workshop floor rail, a base (3) being fixedly mounted on one end of the crossbeam (1) away from the mounting seat (2), the base (3) being provided with a second bolt (31) for fixing the base (3) to the crossbeam (1), and a pulley assembly (4) for passing the rope is movably connected to one end of the base (3) away from the crossbeam (1).

2. A static pull-down loading reversing device according to claim 1, characterized in that: The pulley assembly (4) comprises a lifting eye movable seat (41) fixedly connected to the base (3) at one end away from the crossbeam (1), a lifting eye hanging ring (42) movably connected to the lifting eye movable seat (41) at one end away from the base (3), a pulley (43) movably connected to the lifting eye hanging ring (42) at one end away from the lifting eye movable seat (41), and a connecting member (44) for movably connecting the pulley (43) to the lifting eye hanging ring (42).

3. A static pull-down loading reversing device according to claim 2, characterized in that: The connecting member (44) comprises an adapter (441) arranged between the lifting eye and lifting ring (42) and the pulley (43), and a pin shaft (442) used for movably connecting the lifting eye and lifting ring (42) and the pulley (43).

4. A static pull-down loading reversing device according to claim 3, characterized in that: The lifting eye movable seat (41) is a universal rotating seat.

5. A static pull-down loading reversing device according to claim 4, characterized in that: Positioning holes (11) for locking the first bolts (21) are distributed in a matrix on one side of the crossbeam (1) close to the base (3).

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