Blade clamp

Abstract

The utility model provides a blade clamp. The blade clamp comprises a hoisting device and a clamping device, the clamping device is fixedly connected to the bottom of the hoisting device; the hoisting device comprises a hoisting sliding rail and a hoisting sliding block; the hoisting sliding block is arranged in the hoisting sliding rail in a sliding manner; a guide shaft is vertically and downwards arranged in the hoisting sliding block in a penetrating manner; a first bearing is fixedly connected into the hoisting sliding block; the top end of the guide shaft is fixedly connected with the first bearing; a first motor is arranged at the bottom of the hoisting sliding block; the output end of the first motor is fixedly connected with a first bevel gear; the bottom end of the guide shaft is horizontally and fixedly connected with a second bevel gear; the first bevel gear is meshed with the second bevel gear; the clamping mechanism comprises a U-shaped clamp and two telescopic clamping parts arranged in the U-shaped clamp; the U-shaped clamp is fixedly connected to the bottom of the second bevel gear; each telescopic clamping part is fixedly connected with the two ends of a U-shaped clamp; and an opening of the U-shaped clamp is forward.

Description

Technical Field

[0001] The utility model relates to the technical field of blade clamps, in particular to a blade clamp. Background Art

[0002] The quality of high-precision blades is directly related to the performance and safety of the engine. Each blade is expensive and easily damaged, so maintenance of this component is one of the key tasks of engine maintenance. In order to ensure the service life of high-precision blades, high-precision blades need to be inspected and repaired regularly; and during the repair process, the operator needs to fix the blades with a clamp before operating. Most of the existing technologies use a single clamping part to clamp; for example, the Chinese patent with publication number CN103753443A discloses a fan blade installation and fixing fixture; clamping the fan blade with a single clamp can only adapt to a small number of specific models of fan blades, and cannot generally adapt to fan blades with more technical parameters. Summary of the Invention

[0003] The utility model provides a blade clamp to solve the technical problem that the blade clamp in the prior art cannot adapt to blades with more parameters;

[0004] The utility model provides a blade clamp, comprising a lifting device and a clamping device; the clamping device is fixedly connected to the bottom of the lifting device; the lifting device comprises a lifting slide rail and a lifting slider; the lifting slider is slidably arranged in the lifting slide rail; a guide shaft is vertically downwardly passed through the lifting slider; a first bearing is fixedly connected in the lifting slider; the top end of the guide shaft is fixedly connected to the first bearing; a first motor is provided at the bottom of the lifting slider; the output end of the first motor is fixedly connected to a first bevel gear; the bottom end of the guide shaft is horizontally fixedly connected to a second bevel gear; the first bevel gear is meshed with the second bevel gear; the clamping mechanism comprises a U-shaped clamp and two telescopic clamping parts arranged in the U-shaped clamp; the U-shaped clamp is fixedly connected to the bottom of the second bevel gear; each of the telescopic clamping parts is fixedly connected to the two ends of the U-shaped clamp; the U-shaped clamp opens forward.

[0005] Further optimization is that a second motor is fixedly connected to one end of the lower surface of the lifting slide rail; a second bearing is fixedly connected to the other end of the lower surface of the lifting slide rail; a first screw rod is fixedly connected to the output end of the second motor; an end of the first screw rod away from the second motor is fixedly connected to the second bearing; a threaded hole is provided in the lifting slider; the first screw rod passes through the threaded hole and is threadedly connected to the threaded hole.

[0006] Further optimization is that the U-shaped clamp includes a crossbeam, two connecting plates and a first fixed plate; the crossbeam is fixedly connected to the bottom of the second bevel gear; the rear surfaces at both ends of the crossbeam are respectively connected to the tops of the two connecting plates; each first fixed plate is fixedly connected between the front ends of the bottom of each connecting plate.

[0007] Further optimization is that the first fixing plate is vertically provided with first through holes near both ends; a first guide rod is passed through each of the first through holes; the top end of each first guide rod is fixedly connected to a lower support platform; a spring is provided between each of the lower support platforms and the first fixing plate; each of the springs is sleeved outside the first guide rod; a first limit piece is provided at the bottom of each first guide rod; two second through holes are provided near both sides of the beam; an internal thread is provided in each second through hole; a screw nut is provided at both ends of each second through hole; a second screw is passed through the screw nut and the second through hole; and the bottom end of each second screw is fixedly connected to the upper support platform.

[0008] Further optimization is that the U-shaped clamp opens forward; the U-shaped clamp includes a crossbeam; the crossbeam is fixedly connected to the bottom of the second bevel gear; second connecting plates are respectively provided at both ends of the rear side of the crossbeam; two second guide rods are relatively provided at the bottom of each second connecting plate; each second guide rod is threaded at both ends; a first connecting plate is provided on the outer sleeve of each second guide rod; two second limiting members are passed through the second guide rod; each second limiting member is provided at both ends of each first connecting plate; a second fixing plate and a third fixing plate are respectively provided at both ends of each first connecting plate; each third fixing plate and each second fixing plate extend forward; the U-shaped clamp opens forward.

[0009] Further optimization is that the telescopic clamping part includes a lower support platform, an upper support platform, multiple first guide rods, multiple second screw rods, multiple screw rod nuts, multiple springs and multiple first limit members; each second fixing plate is vertically opened with two first through holes; each first guide rod is passed through the first through hole; the lower support platform is fixedly connected to the top end of the first guide rod; each spring is arranged between the lower support platform and the second fixing plate; each spring is sleeved on the outside of each first guide rod; each first limit member is fixedly connected to the bottom end of each first guide rod; each third fixing plate is vertically opened with a second through hole; each screw rod nut is fixedly connected to both ends of each second through hole; each second screw rod is passed through the screw rod nut and the second through hole; each upper support platform is fixedly connected to the bottom end of the second screw rod.

[0010] Further optimization is that the crossbeam includes a slide groove, two sliders and two third limit members; the upper surface of the slide groove is fixedly connected to the bottom end of the second bevel gear; the opposite ends of the two sliders are passed through the slide groove; the rear sides of the opposite ends of the two sliders are fixedly connected to the second connecting plate or the first connecting plate; the two third limit members are passed through the outer surfaces on both sides of the slide groove.

[0011] A further optimization is that a slide groove is provided in the lifting slide rail; a pulley is provided in the lifting slider; and the pulley is arranged in the slide groove.

[0012] The utility model has at least the following beneficial effects:

[0013] The utility model provides a blade clamp, which ensures that the blade will not be interfered with during installation through a forward-extending U-shaped clamp; the blade is clamped by two pairs of upper and lower support platforms to adapt to blades with more parameters; the blade clamped by the clamp is rotated horizontally by a first motor; and the operator is convenient for processing or repairing the blade.

[0014] The utility model provides a blade clamp, an assembly of a second screw rod and a lifting slider, which improves the controllability of the fan blade clamp in the horizontal direction and facilitates operators to process or repair the blades;

[0015] The utility model provides a blade clamp, which is provided with guide rods and limiters at both ends of the U-shaped clamp so that the operator can adapt to the fan blades with different twisting angles by rotating the telescopic clamping parts at one end or both ends;

[0016] The utility model provides a blade clamp, which is adapted to longer wind blades by arranging a crossbeam to be retractable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of Example 1 of a blade clamp according to the present utility model;

[0018] Figure 2 This is a structural schematic diagram of a clamping device of Example 1 of a blade clamp according to the present utility model;

[0019] Figure 3 This is a side sectional view of a lifting slider of Example 2 of a blade clamp according to the present utility model;

[0020] Figure 4 This is a structural schematic diagram of Example 3 of a blade clamp according to the present utility model;

[0021] Figure 5 This is a side view of Example 3 of a blade clamp according to the present utility model;

[0022] Figure 6This is a schematic structural diagram of the clamping device of Example 4 of a blade clamp described in the utility model.

[0023] In the figure: 1-lifting slide rail, 2-lifting slider, 3-first motor, 4-first bevel gear, 5-second bevel gear, 6-connecting column; 7-first bearing, 8-guide shaft, 9-crossbeam, 10-first connecting plate, 11-first fixed plate, 12-lower support platform, 13-upper support platform, 14-first guide rod, 15-second screw rod, 16-screw nut, 17-spring, 18-first limiter, 19-first screw rod, 20-second motor, 21-second bearing, 22-pulley, 23-second connecting plate, 24-second guide rod, 25-second fixed plate, 26-second limiter, 27-third fixed plate, 28-slide groove, 29-slider, 30-third limiter. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Example 1:

[0026] See also Figure 1-Figure 2 The utility model provides a blade clamp, including a lifting device and a clamping device; the lifting device includes a lifting rail 1, a lifting slider 2, a first motor 3, a first bevel gear 4, a second bevel gear 5, a connecting column 6, a first bearing 7, and a guide shaft 8. The lifting slider 2 is slidably arranged on the lifting rail 1; the first motor 3 is fixedly connected to one end of the lower surface of the lifting slider 2; the first motor 3 is arranged parallel to the lifting rail 1; the first bevel gear 4 is fixedly connected to the output end of the first motor 3; the guide shaft 8 is vertically downwardly passed through the lifting slider 2; the first bearing 7 is fixedly connected to the lifting slider 2; one end of the guide shaft 8 is fixedly connected to the first bearing 7; the second bevel gear 5 is fixedly connected to the other end of the guide shaft 8; the first bevel gear 4 is meshed with the second bevel gear 5; and the connecting column 6 is fixedly connected to the bottom of the second bevel gear 5.

[0027] The clamping mechanism includes a crossbeam 9, two first connecting plates 10, a first fixing plate 11, two lower support platforms 12, two upper support platforms 13, two first guide rods 14, two second screw rods 15, four screw nuts 16, two first limit members 18 and two springs 17; the center of the upper surface of the crossbeam 9 is fixedly connected to the connecting column 6; the first fixing plate 11 is arranged under the crossbeam 9; the two first connecting plates 10 are fixedly connected between the first fixing plate 11 and the crossbeam 9; each first connecting plate 10 is fixedly connected to the rear side of the crossbeam 9; the first connecting plate 10, the crossbeam 9 and the first fixing plate 11 form a U-shaped clamp; the first fixing plate 11 is close to the two Two first through holes are vertically opened at the end; each first guide rod 14 is passed through the first through hole; the lower support platform 12 is fixedly connected to the top of the first guide rod 14; each spring 17 is arranged between the lower support platform 12 and the first fixed plate 11; each spring 17 is sleeved on the outside of each first guide rod 14; each first limit member 18 is fixedly connected to the bottom end of each first guide rod 14; the crossbeam 9 has two second through holes vertically opened near both ends; each screw nut 16 is fixedly connected to the two ends of each second through hole; each second screw 15 is passed through the screw nut 16 and the second through hole; each upper support platform 13 is fixedly connected to the bottom end of the second screw 15.

[0028] The first motor 3 is connected to a power source and a controller respectively.

[0029] The working process of this embodiment is:

[0030] After rotating each second screw rod 15 to lift the upper support platform 12, the blade is placed on the lower support platform 13; after adjusting the second screw rod 15, the upper support platform 12 and the lower support platform 13 are clamped to complete the clamping of the fan blade; during operation or maintenance, the first motor 3 can be driven as needed to rotate the clamping device; the clamping device is driven to move by pushing the lifting slider 2.

[0031] Example 2:

[0032] See also Figure 3 ; This embodiment provides a blade clamp. The difference between this embodiment and Example 1 is that a third through hole with an internal thread is opened in the lifting slider 2 of this embodiment; a first screw rod 19 is provided at the bottom of the lifting slide rail 1; the first screw rod 19 is passed through the third through hole; one end of the bottom of the lifting slide rail 1 is fixedly connected to the second motor 20; the other end of the bottom of the lifting slide rail 1 is fixedly connected to the second bearing 21; one end of the first screw rod 19 is fixedly connected to the output end of the second motor 20; the other end of the first screw rod 19 is fixedly connected to the second bearing 21; a pulley 22 is provided in the lifting slider 2; the pulley 22 is arranged in the lifting slide rail 1.

[0033] The working process of this embodiment is:

[0034] After rotating each second screw rod 15 to lift the upper support platform 12, the blade is placed on the lower support platform 13; after adjusting the second screw rod 15, the upper support platform 12 and the lower support platform 13 are clamped to complete the clamping of the fan blade; during operation or maintenance, the first motor 3 can be driven as needed to rotate the clamping device; at the same time, the second motor 20 is driven to drive the slider 2 to drive the clamping device to move.

[0035] Example 3:

[0036] The present embodiment provides a blade clamp, which is different from the second embodiment in that the clamping structure includes a crossbeam 9, a second connecting plate 23, a second guide rod 24, a first connecting plate 10, two third fixing plates 27, two second fixing plates 25, a lower support platform 12, an upper support platform 13, a first guide rod 14, a second screw rod 15, a screw nut 16, a spring 17, a first limiter 18 and four second limiters 26; each second connecting plate 23 is fixedly connected to both ends of the lower surface of the crossbeam 9; a second guide rod 24 is horizontally passed through the bottom of the opposite side surfaces of each two second connecting plates 23; each first connecting plate 10 is sleeved on the second guide rod 24; the portion of the second guide rod 24 that passes through the first connecting plate 10 is threaded; each second limiter 26 is sleeved on each second guide rod 24; each second limiter 26 is arranged on both sides of the first connecting plate 10;

[0037] The center of the upper surface of the crossbeam 9 is fixedly connected to the connecting column 6; each third fixing plate 27 and the second fixing plate 25 are fixedly connected to the upper and lower ends of the first connecting plate 10, and each third fixing plate 27 and the second fixing plate 25 extend forward; the third fixing plate 27, the second fixing plate 25 and the first connecting plate 10 form a U-shaped clamp; the U-shaped clamp opens forward; each second fixing plate 25 is vertically provided with two first through holes; each first guide rod 14 is passed through the first through hole; the lower support platform 12 is fixedly connected to the top end of the first guide rod 14; each spring 17 is arranged between the lower support platform 12 and the second fixing plate 25; each spring 17 is sleeved on the outside of each first guide rod 14; each first limit member 18 is fixedly connected to the bottom end of each first guide rod 14; the third fixing plate 27 is vertically provided with two second through holes; each screw nut 16 is fixedly connected to both ends of each second through hole; each second screw rod 15 is passed through the screw nut 16 and the second through hole; each upper support platform 13 is fixedly connected to the bottom end of the second screw rod 15.

[0038] The working process of this embodiment is:

[0039] After rotating each second screw rod 15 to lift the upper support platform 12, the blade is placed on the lower support platform 13; after adjusting the second screw rod 15, the upper support platform 12 and the lower support platform 13 are clamped to complete the clamping of the fan blade; during operation or maintenance, the first motor 3 can be driven as needed to rotate the clamping device; at the same time, the second motor 20 is driven to drive the slider 2 to move the clamping device; when assembling the fan blades, some fan blades have a certain torsion angle; adjust the two second limit members 26 at one end, loosen the first connecting plate and rotate until the torsion angles of the fan blades are the same, and then tighten the two second limit members 26.

[0040] Example 4:

[0041] This embodiment provides a fan blade clamp. The difference between this embodiment and Example 2 is that the crossbeam 9 includes a slide groove 28, two sliders 29 and two third limit members 30; the upper surface of the slide groove 28 is fixedly connected to the bottom end of the connecting column 6; the opposite ends of the two sliders 29 are passed through the slide groove 28; the rear sides of the opposite ends of the two sliders 29 are fixedly connected to the second connecting plate 23; the two third limit members 30 are passed through the outer surfaces on both sides of the slide groove 28.

[0042] The working process of this embodiment is:

[0043] After rotating each second screw rod 15 to lift the upper support platform 12, the blade is placed on the lower support platform 13. After adjusting the second screw rod 15, the upper support platform 12 and the lower support platform 13 are clamped to complete the clamping of the fan blade. During operation or maintenance, the first motor 3 can be driven as needed to rotate the clamping device. At the same time, the second motor 20 is driven to cause the slider 2 to move the clamping device. When assembling the fan blades, some fan blades have a certain torsion angle. Adjust the two second limiters 26 at one end, loosen the first connecting plate, and rotate until the fan blades have the same torsion angle. Tighten the two second limiters 26. By sliding each slider 29 and fixing the slider 29 with the third limiter 30, the fan blades of different lengths can be accommodated.

Claims

1. A blade clamp, characterized in that: The invention comprises a hoisting device and a clamping device; the clamping device is fixedly connected to the bottom of the hoisting device; the hoisting device comprises a hoisting slide rail (1) and a hoisting slider (2); the hoisting slider (2) is slidably arranged in the hoisting slide rail (1); a guide shaft (8) is vertically downwardly penetrated in the hoisting slider (2); a first bearing (7) is fixedly connected in the hoisting slider (2); the top end of the guide shaft (8) is fixedly connected to the first bearing (7); a first motor (3) is provided at the bottom of the hoisting slider (2); the output end of the first motor (3) is fixedly connected to a first bevel gear (4); the bottom end of the guide shaft (8) is horizontally fixedly connected to a second bevel gear (5); the first bevel gear (4) is meshed with the second bevel gear (5); the clamping device comprises a U-shaped clamp and two telescopic clamping parts arranged in the U-shaped clamp; the U-shaped clamp is fixedly connected to the bottom of the second bevel gear (5); each of the telescopic clamping parts is fixedly connected to two ends of the U-shaped clamp; the U-shaped clamp opens forward.

2. A blade clamp according to claim 1, characterized in that; One end of the lower surface of the hoisting slide rail (1) is fixedly connected to a second motor (20); the other end of the lower surface of the hoisting slide rail (1) is fixedly connected to a second bearing (21); the output end of the second motor (20) is fixedly connected to a first screw rod (19); the end of the first screw rod (19) away from the second motor (20) is fixedly connected to the second bearing (21); the hoisting slider (2) is provided with a threaded hole; the first screw rod (19) passes through the threaded hole and is threadedly connected to the threaded hole.

3. A blade clamp according to claim 2, characterized in that: The U-shaped clamp comprises a crossbeam (9), two first connecting plates (10) and a first fixing plate (11); the crossbeam (9) is fixedly connected to the bottom of the second bevel gear (5); the rear surfaces at both ends of the crossbeam (9) are respectively connected to the tops of the two first connecting plates (10); and each first fixing plate (11) is fixedly connected between the bottom front ends of each first connecting plate (10).

4. A blade clamp according to claim 3, characterized in that: The first fixing plate (11) is vertically provided with first through holes near both ends; a first guide rod (14) is passed through each of the first through holes; the top of each of the first guide rods (14) is fixedly connected to a lower support platform (12); a spring (17) is provided between each of the lower support platforms (12) and the first fixing plate (11); each of the springs (17) is sleeved outside the first guide rod (14); a first limiter (18) is provided at the bottom of each of the first guide rods (14); the crossbeam (9) is provided with two second through holes near both sides; an internal thread is provided in each of the second through holes; a screw nut (16) is provided at both ends of each of the second through holes; a second screw (15) is passed through the screw nut (16) and the second through hole; the bottom end of each of the second screw (15) is fixedly connected to an upper support platform (13).

5. A blade clamp according to claim 2, characterized in that: The U-shaped clamp opens forward; the U-shaped clamp includes a crossbeam (9); the crossbeam (9) is fixedly connected to the bottom of the second bevel gear (5); second connecting plates (23) are respectively provided at both ends of the rear side of the crossbeam (9); two second guide rods (24) are relatively provided at the bottom of each second connecting plate (23); each second guide rod (24) is provided with threads at both ends; a first connecting plate (10) is provided on the outer sleeve of each second guide rod (24); two second limiting members (26) are passed through the second guide rod (24); each second limiting member (26) is provided at both ends of each first connecting plate (10); a second fixing plate (25) and a third fixing plate (27) are respectively provided at both ends of each first connecting plate (10); each third fixing plate (27) and each second fixing plate (25) extend forward; the U-shaped clamp opens forward.

6. The blade clamp according to claim 5, characterized in that: The telescopic clamping part includes a lower support platform (12), an upper support platform (13), a plurality of first guide rods (14), a plurality of second screw rods (15), a plurality of screw rod nuts (16), a plurality of springs (17) and a plurality of first limit members (18); each of the second fixing plates (25) is vertically provided with two first through holes; each of the first guide rods (14) is passed through the first through hole; the lower support platform (12) is fixedly connected to the top of the first guide rod (14); each of the springs (17) is arranged between the lower support platform (12) and the first limit member (18); The second fixing plates (25) are provided between the second fixing plates (25); each of the springs (17) is sleeved outside each of the first guide rods (14); each of the first limiting members (18) is fixedly connected to the bottom end of each of the first guide rods (14); each of the third fixing plates (27) is vertically provided with a second through hole; each of the screw nut (16) is fixedly connected to both ends of each of the second through holes; each of the second screw rods (15) is passed through the screw nut (16) and the second through hole; each of the upper support platforms (13) is fixedly connected to the bottom end of the second screw rod (15).

7. The blade clamp according to claim 5, characterized in that: The crossbeam (9) includes a slide groove (28), two sliders (29) and two third limiting members (30); the upper surface of the slide groove (28) is fixedly connected to the bottom end of the second bevel gear (5); the opposite ends of the two sliders (29) are inserted into the slide groove (28); the rear sides of the opposite ends of the two sliders (29) are fixedly connected to the second connecting plate (23); and the two third limiting members (30) are inserted into the outer surfaces of both sides of the slide groove (28).

8. The blade clamp according to claim 1, characterized in that: A slide groove is provided in the hoisting slide rail (1); a pulley (22) is provided in the hoisting slider; and the pulley (22) is arranged in the slide groove.

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