CN211568336U - Pneumatic performance adjusting device for paddle - Google Patents
Pneumatic performance adjusting device for paddle Download PDFInfo
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- CN211568336U CN211568336U CN201921205827.0U CN201921205827U CN211568336U CN 211568336 U CN211568336 U CN 211568336U CN 201921205827 U CN201921205827 U CN 201921205827U CN 211568336 U CN211568336 U CN 211568336U
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Abstract
The embodiment of the utility model provides a paddle pneumatic performance adjusting device, the scale component of which comprises a dial and a pointer; one end of the pointer is fixedly arranged on the rotating piece; the pointer can rotate relative to the dial; the rotating piece is arranged on the bracket component and can rotate along a preset track relative to the bracket component; the first clamping assembly is arranged on the rotating piece; the second clamping assembly is arranged on the bracket assembly; the first clamping assembly and the second clamping assembly are used for clamping the blade; the first adjusting assembly is used for enabling the first clamping assembly to clamp the paddle, the first clamping assembly drives the rotating piece to move along a preset track in the process of clamping the paddle, and the rotating piece drives the pointer to rotate relative to the dial in the process of moving along the preset track; the second adjustment assembly is mounted on the carriage assembly. Use the embodiment of the utility model provides a device adjusts the pneumatic performance of paddle, can reduce and carry out the degree of difficulty of pneumatic performance adjustment to the paddle.
Description
Technical Field
The utility model relates to an aircraft technical field especially relates to a paddle aerodynamic performance adjusting device.
Background
The paddle is the core of the helicopter power device, the aerodynamic performance of the paddle has great influence on the vibration of the rotor, for example, if the aerodynamic performance of each paddle installed on the rotor is inconsistent, the vibration frequency of the rotor is high, and the riding quality of passengers, the fatigue life of structural components and the normal operation of airborne equipment are seriously influenced by the overhigh vibration frequency of the rotor.
One existing implementation way for adjusting the aerodynamic performance of the blade is as follows: firstly, selecting a blade meeting the requirement of a reference blade from qualified blades, taking the blade as the reference blade, and secondly, dynamically calibrating the aerodynamic performance of a target blade by using the aerodynamic performance of the reference blade as a reference through a dynamic balance test bed, thereby reducing the aerodynamic performance difference of the blade caused by production and manufacturing deviation.
According to the implementation mode for adjusting the pneumatic performance of the blade, the reference blade is a blade which is selected from a certain number of qualified blades and meets the requirement of the reference blade, so that the reference blade can only be ensured to be the blade which is selected from the certain number of qualified blades and meets the requirement of the reference blade, namely, the reference blade has relativity.
In view of the above circumstances, if there are blades that cannot meet the requirements of the reference blade in the above-mentioned certain number of qualified blades, the certain number of qualified blades need to be reselected, and then the reference blade is reselected, which causes low efficiency in selecting the reference blade, and makes it difficult to adjust the aerodynamic performance of the blade.
Disclosure of Invention
An object of the embodiment of the utility model is to provide a paddle aerodynamic performance adjusting device can reduce the degree of difficulty that carries out the aerodynamic performance adjustment to the paddle.
The specific technical scheme is as follows:
a blade aerodynamic performance adjustment apparatus, comprising: the device comprises a bracket assembly, a rotating part, a scale assembly, a first adjusting assembly, a second adjusting assembly, a first clamping assembly and a second clamping assembly;
the scale assembly comprises a dial and a pointer; one end of the pointer is fixedly arranged on the rotating piece; the pointer can rotate relative to the dial;
the rotating piece is arranged on the bracket component and can rotate relative to the bracket component along a preset track;
the first clamping assembly is arranged on the rotating piece; the second clamping assembly is mounted on the bracket assembly; the first clamping assembly and the second clamping assembly are used for clamping the blade;
the first adjusting assembly is used for enabling the first clamping assembly to clamp the paddle, the first clamping assembly drives the rotating piece to rotate along the preset track in the process of clamping the paddle, and the rotating piece drives the pointer to rotate relative to the dial in the process of rotating along the preset track;
the second adjustment assembly is mounted on the bracket assembly and is used for enabling the second clamping assembly to clamp the blade.
Further, the rotating member comprises a carriage comprising a first structure and two second structures, wherein,
the first structure is L-shaped plate structure, the first preset position department of the first vertical plate of the first structure is equipped with two at least through-holes, as first through-hole, on the first edge with the direction that first vertical plate carried on the back mutually is equipped with perpendicularly the second vertical plate of the first structure horizontal plate, first edge is: an edge of the horizontal plate of the first structure that is not adjacent to the first vertical plate;
the second structure is of a cylindrical structure, and a convex edge coplanar with one end face of the second structure is arranged on one end face of the second structure along the circumferential direction; a trapezoidal groove is formed in the side face of the second structure; the cross section of the trapezoid groove is as follows: the bottom surface of the trapezoid groove is provided with an L-shaped groove, the edge of a horizontal groove of the L-shaped groove is collinear with the second edge of the bottom surface of the trapezoid groove, a rectangular groove is arranged at a second preset position of a first surface, the first surface is a surface, parallel to the bottom surface of the trapezoid groove, of a vertical groove surface of the L-shaped groove and coplanar with the horizontal groove surface, the second edge is the edge of the horizontal groove opposite to the second surface in the L-shaped groove, and the second surface is a vertical groove surface parallel to the first surface in the L-shaped groove; the length of the trapezoid groove and the length of the rectangular groove are the same as the length of the second structure;
the two second structures are respectively and vertically fixed at two ends of the first structure, the convex edges of the two second structures are opposite, the bottom surface of the trapezoidal groove is coplanar with the surface of the second vertical plate, and the vertical groove surface of the L-shaped groove where the rectangular groove is located is coplanar with the surface of the horizontal plate of the first structure.
Further, the rotating piece also comprises two fixed disks,
the fixed disc is of a circular-ring-plate-shaped structure, and a notch is formed in the fixed disc and serves as a first notch;
one fixed disk corresponds to one second structure, and one fixed disk is sleeved on the outer side surface of one second structure.
Further, the first adjusting component comprises a connecting block and a first handle,
the connecting block is of a block structure with an L-shaped section, a through hole along the vertical section direction of the connecting block is arranged at the center of the horizontal section of the connecting block and serves as a second through hole, and the second through hole is provided with an internal thread with a preset length;
the first handle is of a rod-shaped structure, and one end of the first handle is provided with an external thread matched with the internal thread;
the horizontal section of the connecting block is fixedly arranged on the first vertical plate, and the horizontal section of the connecting block is opposite to the horizontal plate of the first structure.
Further, the first clamping assembly comprises a first sliding block and two first connecting rods,
the first sliding block is of an L-shaped plate structure, and at least two waist-shaped holes are formed in a vertical plate of the first sliding block;
a first connecting rod corresponds to a waist-shaped hole and a first through hole, and is arranged in the waist-shaped hole and the first through hole.
Further, the first clamping component also comprises a second slide block,
the second sliding block is of a plate-shaped structure;
and the second sliding block is fixedly arranged on the horizontal plane surface of the L-shaped groove.
Further, the bracket component comprises two fixing frames and a plurality of fixing shafts,
the fixing frame is of a strip-shaped plate structure, a through hole is formed in the plate surface at one end of the fixing frame and serves as a third through hole, a notch along the length direction of the fixing frame is formed in the plate surface at the other end of the fixing frame and serves as a second notch, and the second notch is communicated with the third through hole;
and the fixed shafts are arranged between the two fixed frames and fixedly connected with the fixed frames.
Further, the second clamping component comprises two supporting plates, a first supporting frame, a second supporting frame, two second connecting rods and two third connecting rods,
the supporting plate comprises two lug plates and a plate-shaped structure, and the lug plates are respectively fixedly arranged at two ends of the plate-shaped structure;
the first support frame comprises a third structure and a fourth structure, the third structure is a strip-shaped plate-shaped structure with one end bent, a through hole is formed in the plate surface of the other end and serves as a fourth through hole, and a hollow cylinder structure penetrating through the plate surface is arranged at a second preset position of the third structure; the fourth structure is a rod piece structure with a polygonal section, and the side surface of the fourth structure is vertical to and fixedly connected with the bent end of the third structure;
the second support frame comprises a fifth structure and a sixth structure, the fifth structure is of an H-shaped rod piece structure, at least two pairs of through holes are formed in the rod piece at one side end part of the horizontal section in the fifth structure and used as fifth through holes, the sixth structure is of a polygonal column structure, and the end part at the other side of the horizontal section in the fifth structure is fixedly connected to one side surface of the sixth structure;
the two second connecting pieces are respectively arranged in the hollow cylindrical structure and the third through hole, are fixedly arranged on the two fixing frames and are positioned between the two fixing frames, and the first support frame can rotate relative to the fixing frames;
the two third connecting pieces are respectively arranged in the symmetrical fifth through holes, are fixedly arranged on the two fixing frames and are positioned between the two fixing frames, the second supporting frame can rotate relative to the fixing frames, and the plate surface of the second supporting frame is opposite to and parallel to the plate surface of the first supporting frame;
two the backup pad passes through the otic placode is installed respectively two on the mount, and one the platelike structure of backup pad is close to first support frame is equipped with the tip of fourth through-hole, just first support frame is equipped with the tip of fourth through-hole arrange in first face with between the second adjustment subassembly, two the face platelike structure of backup pad is parallel in opposite directions, the backup pad can be relative the mount rotates, first face is in lie in the face with the otic placode with one side place in the backup pad.
Further, the second adjusting component comprises a handle seat and a second handle,
the second handle is arranged on the handle seat and can rotate relative to the handle seat;
the handle seats are fixedly arranged at the end parts of the two fixing frames and are positioned at the end part of the first support frame provided with the fourth through hole, the end part of the first support frame provided with the fourth through hole is arranged between the first plate surface and the handle seats, and the handle seats can press the first support frame to move.
Furthermore, a cylinder is arranged on a first mounting surface of the fixing frame, and the first mounting surface is a mounting surface for mounting the fixing frame and the supporting plate;
the end part of the lug plate of one support plate is provided with a through hole which is used as a sixth through hole;
one of the cylinders corresponds to one of the sixth through holes, and one of the cylinders is disposed in one of the sixth through holes.
Furthermore, the cylindrical surface of the second structure is provided with a U-shaped groove, and the U-shaped groove is arranged on the inner ring of the fixed disc.
The embodiment of the utility model provides a pair of paddle aerodynamic performance adjusting device, the device includes: the scale assembly comprises a dial and a pointer; one end of the pointer is fixedly arranged on the rotating piece; the pointer can rotate relative to the dial; the rotating piece is arranged on the bracket component and can rotate along a preset track relative to the bracket component; the first clamping assembly is arranged on the rotating piece; the second clamping assembly is arranged on the bracket assembly; the first clamping assembly and the second clamping assembly are used for clamping the blade; the first adjusting assembly is used for enabling the first clamping assembly to clamp the paddle, the first clamping assembly drives the rotating piece to move along a preset track in the process of clamping the paddle, and the rotating piece drives the pointer to rotate relative to the dial in the process of moving along the preset track; a second adjustment assembly is mounted on the bracket assembly for causing the second clamp assembly to clamp the blade. Use the embodiment of the utility model provides a device adjusts the pneumatic performance of paddle, the implementation that relative prior art relates to need not to process a large amount of paddles, also need not to select the paddle that pneumatic characteristic distribution probability is the biggest from a large amount of paddles, only need utilize the embodiment of the utility model provides a device directly treats the paddle of adjustment and carries out the pneumatic performance adjustment, and the implementation of relative prior art can reduce the degree of difficulty that carries out the pneumatic performance adjustment to the paddle. Of course, it is not necessary for any product or method of the invention to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural view of a sliding frame according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first slide block according to the present invention;
fig. 3 is a schematic structural diagram of a connecting block according to the present invention;
fig. 4 is an exploded view of a device for adjusting the pneumatic performance of a blade according to the present invention;
fig. 5 is a partial front view of a device for adjusting the aerodynamic performance of a blade according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a device for adjusting the aerodynamic performance of a blade according to the present invention.
The device comprises a blade 1, a dial 2, a pointer 3, a sliding frame 4, a fixed disc 5, a connecting block 6, a first handle 7, a first sliding block 8, a second sliding block 9, a fixed frame 10, a fixed shaft 1, a supporting plate 12, a first supporting frame 13, a second supporting frame 14, a handle seat 15 and a second handle 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model provides a paddle pneumatic performance adjusting device is provided, it is right to combine fig. 1-6 below the utility model provides a pneumatic performance adjusting device carries out the detailed description.
Above-mentioned paddle aerodynamic performance adjusting device includes: the device comprises a bracket assembly, a rotating part, a scale assembly, a first adjusting assembly, a second adjusting assembly, a first clamping assembly and a second clamping assembly;
the scale assembly comprises a dial 2 and a pointer 3; one end of the pointer 3 is fixedly arranged on the rotating piece; the pointer 3 can rotate relative to the dial 2;
the rotating piece is arranged on the bracket component and can rotate relative to the bracket component along a preset track;
the first clamping assembly is arranged on the rotating piece; the second clamping assembly is arranged on the bracket assembly; the first clamping assembly and the second clamping assembly are used for clamping the blade 1;
the first adjusting assembly is used for enabling the first clamping assembly to clamp the blade 1, the first clamping assembly drives the rotating member to move along the preset track in the process of clamping the blade 1, and the rotating member drives the pointer 3 to rotate relative to the dial 2 in the process of moving along the preset track;
the second clamping assembly and the second adjusting assembly are sequentially arranged on the bracket assembly; the second adjustment assembly described above is used to cause the second clamping assembly to clamp the blade 1.
Wherein, one end of the pointer 3 is fixedly arranged on the rotating piece; the pointer 3 is rotatable relative to the scale 2, i.e. the pointer 3 rotates with the rotating member, and the pointer 3 indicates the scale of the scale during the rotation process, so as to know how much the pointer has rotated, i.e. how much the rotating member has rotated.
The above-mentioned predetermined trajectory is performed by a part of the carriage assembly capable of providing the rotation member to move according to a pre-designed trajectory, that is, if the trajectory of the part is a semicircular arc, the rotation member moves according to a semicircular arc trajectory, and if the trajectory of the part is an ellipse, the rotation member moves according to an elliptical trajectory.
It should be noted that, the first clamping assembly drives the rotating member to move along the preset track in the process of clamping the blade 1 may be understood that the first clamping assembly has contacted the blade and clamped the blade, and at this time, the first clamping assembly does not drive the rotating member to rotate, and when the first clamping assembly contacts the blade and starts to clamp the blade 1, the first clamping assembly drives the rotating member to move along the preset track in the process of clamping the blade 1.
The working principle of the blade aerodynamic performance adjusting device is as follows:
firstly, firmly clamping the blade in a first clamping assembly and a second clamping assembly; the method specifically comprises the following steps: the paddle is sequentially placed on the first clamping assembly and the second clamping assembly, the first adjusting assembly is adjusted, the first adjusting assembly drives the first clamping assembly to slowly contact and clamp the paddle in the first clamping assembly, the rotating member does not move at the moment, the second adjusting assembly is adjusted, the second adjusting assembly presses the second clamping assembly to clamp the paddle, and the paddle is ensured to be stable relative to the support assembly at the moment;
secondly, carry out pneumatic performance adjustment to the paddle, specifically do: and continuously adjusting the first adjusting assembly, driving the rotating piece to move along a preset track in the process of continuously clamping the paddle in the first clamping assembly, so that the rotating piece drives the pointer 3 to rotate relative to the dial 2 in the process of moving along the preset track, and the dial can display the rotating amount of the pointer and the moving amount of the first adjusting assembly.
Therefore, the embodiment of the utility model provides a device utilizes first adjustment subassembly and second adjustment subassembly to mutually support to make first centre gripping subassembly and second centre gripping subassembly centre gripping treat the paddle of adjustment, and utilize the aerodynamic performance of the paddle behind the first adjustment subassembly adjustment centre gripping, the device simple structure, easy to operate, consequently prior art's implementation has relatively reduced the degree of difficulty that carries out the aerodynamic performance adjustment to the paddle.
In one implementation of the rotating member, the rotating member comprises a carriage 4, as shown in fig. 1 and 4, the carriage 4 comprising a first configuration and two second configurations, wherein,
above-mentioned first structure is L type plate structure, and the first position department of predetermineeing of the first vertical plate of above-mentioned first structure is equipped with two at least through-holes, as first through-hole, and the direction that carries on the back mutually with above-mentioned first vertical plate on the first edge is equipped with the second vertical plate of perpendicular above-mentioned horizontal plate, and above-mentioned first edge is: the edge of the horizontal plate of the first structure, which is not adjacent to the first vertical plate;
the second structure is of a cylindrical structure, and a convex edge coplanar with one end face of the second structure is arranged on one end face of the second structure along the circumferential direction; the side surface of the second structure is provided with a trapezoidal groove; the section of the trapezoid groove is as follows: the bottom surface of the trapezoid groove is provided with an L-shaped groove, the edge of a horizontal groove of the L-shaped groove is collinear with the second edge of the bottom surface of the trapezoid groove, the bottom surface of the trapezoid groove is provided with the L-shaped groove, a rectangular groove is arranged at a second preset position of a first surface, the first surface is a surface, parallel to the bottom surface of the trapezoid groove, of a vertical groove surface of the L-shaped groove and coplanar with the horizontal groove surface, the second edge is a horizontal groove edge opposite to the second surface in the L-shaped groove, and the second surface is a vertical groove surface parallel to the first surface in the L-shaped groove; the length of the trapezoid groove and the length of the rectangular groove are the same as the length of the second structure;
the two second structures are vertically and fixedly arranged at two ends of the first structure, the convex edges of the two second structures are opposite, the bottom surface of the trapezoidal groove is coplanar with the surface of the second vertical plate, and the vertical groove surface of the L-shaped groove where the rectangular groove is located is coplanar with the surface of the horizontal plate of the first structure.
The L-shaped groove can play a role in reducing weight, the first clamping assembly can move relative to the rotating piece in the L-shaped vertical groove, and the function of positioning the first clamping assembly can be played.
The design of the rectangular groove can play a role in positioning the paddle and stabilizing the paddle.
For weight reduction, a plurality of weight reduction holes may be provided on the first vertical plate; lightening holes can also be arranged on the second vertical plate; a recess for weight reduction may also be provided at a central position of the second end face in the second structure.
It should be noted that one way of implementing the rotation of the sliding frame 4 along the predetermined track relative to the carriage assembly is: the carriage assembly may be provided with a ledge having a predetermined path profile, and the side of the second structure of the carriage 4 is moved relative to the carriage assembly along the ledge along the predetermined path.
It can be seen that the sliding frame 4 not only can move relative to the support assembly according to a preset track, but also can be seen from the structure that the sliding frame 4 is formed into a first structure and a second structure, and the sliding frame 4 is light in weight and simple in structure.
In another realization of the above-mentioned rotating member, the above-mentioned rotating member further comprises two fixed disks 5, as shown in figure 4,
the fixed disc 5 is in a circular ring plate-shaped structure, and the fixed disc 5 is provided with a notch as a first notch;
a fixed disk 5 corresponds to a second structure, and a fixed disk 5 is sleeved on the outer side surface of the second structure.
The first recess can be understood to be a recess through the inner ring of the holding disk 5.
In addition, the fixed platen 5 is a member for providing a predetermined track for the sliding frame 4, that is, the sliding frame 4 moves along an inner circular ring of the fixed platen 5.
It should be noted that the fixed plate 5 can be a component of the rotating member, and can also be a component of the bracket assembly.
In order to enable the cylindrical surface of the second structure to stably move on the fixed disk 5, a U-shaped groove is arranged on the cylindrical surface of the second structure, and the U-shaped groove is arranged on the inner ring of the fixed disk 5 and is used for enabling the fixed disk 5 to relatively slide in the U-shaped groove.
It can be seen that the fixed platen 5 is a component for providing a predetermined track for the carriage 4, which is not only simple in structure but also highly reliable.
Depending on the configuration of the carriage 4, the first adjustment assembly may comprise a connecting block 6 and a first handle 7, as shown in figures 3 and 4,
the connecting block 6 is a block structure with an L-shaped cross section, a through hole is arranged at the center of the horizontal section of the connecting block 6 along the vertical section of the connecting block 6, and serves as a second through hole, and the second through hole is provided with an internal thread with a preset length;
the first handle 7 is in a rod-shaped structure, and one end of the first handle 7 is provided with an external thread matched with the internal thread;
the horizontal section of the connecting block 6 is fixedly installed on the first vertical plate, and the horizontal section of the connecting block 6 is opposite to the horizontal plate of the first structure.
Wherein, above-mentioned connecting block 6 and the first in command pass through screw-thread fit connection, and this screw-thread fit connection is a detachable fixed connection, has simple structure, connects advantages such as reliable, the installation and removal convenience.
It can be seen that the connection block 6 is connected with the first handle 7 in a matching way, so that the first handle 7 can move along the extending direction of the internal thread in the connection block 6, and the first handle 7 is positioned and guided.
In one implementation, as shown in fig. 2 and 4, the first clamping assembly comprises a first slide 8 and two first connecting rods,
the first sliding block 8 is in an L-shaped plate structure, and at least two waist-shaped holes are formed in a vertical plate of the first sliding block 8;
a first connecting rod corresponds to a waist-shaped hole and a first through hole, and the first connecting rod is arranged in the waist-shaped hole and the first through hole.
The first connecting rod is disposed in the waist-shaped hole and the first through hole, and the first connecting rod can move back and forth in the waist-shaped hole, that is, the first sliding block 8 can move relatively to the sliding frame 4.
The first handle moves along the direction of the internal thread in the connecting block, when the end of the first handle abuts against the end face of the horizontal section of the first sliding block 8, the waist-shaped hole of the first sliding block 8 moves along the first connecting rod relative to the sliding frame 4, at this moment, the sliding frame 4 does not move, but when the first sliding block 8 contacts with the blade, the first handle continues to apply pressure, the first sliding block 8 is clamped, and the sliding frame 4 is driven to rotate in the process that the first sliding block 8 clamps the blade.
It should be noted that, in order to match the length of the waist-shaped hole, a rectangular plate-shaped structure may be added to the outer end surface of the horizontal section of the first slider 8, that is, the rectangular plate-shaped structure is fixedly connected to the surface of the first slider 8 corresponding to the blade clamping surface, the thickness of the rectangular plate-shaped structure is related to the length of the waist-shaped hole, when the first slider 8 does not contact the blade, the first connecting rod has already slid to the end of the waist-shaped hole, and at this time, if the first handle applies pressure again, the first slider 8 will drive the sliding frame 4 to rotate, so to avoid the above situation, a rectangular plate-shaped structure with a certain thickness may be designed as a spacer.
Therefore, the first sliding block 8 and the first connecting rod which form the first clamping assembly are simple in structure, convenient to assemble and disassemble and flexible in matching.
In another implementation manner, the first clamping assembly further includes a second slider 9, and the second slider 9 is a plate-shaped structure; as shown in fig. 4 and 5
The second sliding block 9 is fixedly arranged on the horizontal plane surface of the L-shaped groove; the second sliding block 9 is used for supporting the blade placed in the rectangular groove to be horizontal;
the predetermined thickness of the second slider 9 is related to the position of the rectangular groove in the L-shaped groove, that is, the thickness of the second slider 9 is equal to the shortest distance from the surface of the rectangular groove to the horizontal groove in the L-shaped groove.
It can be seen that the second slide 9 can function both as a support for the blade and also for flexible loading and unloading.
In one implementation, the bracket assembly includes two fixed brackets 10 and a plurality of fixed shafts 11,
the fixing frame 10 is a strip-shaped plate structure, a through hole is formed on a plate surface at one end of the fixing frame 10 as a third through hole, a notch along the length direction of the fixing frame 10 is formed on a plate surface at the other end of the fixing frame 10 as a second notch, and the second notch is communicated with the second through hole;
the fixed shafts 11 are disposed between the two fixed frames 10 and are fixedly connected to the fixed frames 10.
The second through holes can reduce weight and facilitate the placement of the blades.
The arrangement of the second notch is also used for placing the paddle, so that the paddle is convenient to clamp.
Therefore, the fixing shaft is arranged between the two plate-shaped fixing frames in the implementation mode, so that the weight of the bracket assembly is reduced to a great extent, and the operation conditions of all parts between the fixing frames are convenient to master.
Based on the above-mentioned structure of the fixing frame and the fixing shaft, as shown in fig. 4 and 5, the second clamping assembly may include two supporting plates 12, a first supporting frame 13, a second supporting frame 14, two second connecting rods and two third connecting rods,
the support plate 12 comprises two ear plates and a plate-shaped structure, and the ear plates are respectively fixed at two ends of the plate-shaped structure;
the first support frame 13 comprises a third structure and a fourth structure, the third structure is a strip-shaped plate-shaped structure with a bent plate surface at one end, a through hole is formed in the plate surface at the other end and serves as a fourth through hole, and a hollow cylinder structure penetrating through the plate surface is arranged at a second preset position of the third structure; the fourth structure is a rod piece structure with a polygonal section, and the side surface of the fourth structure is vertical to and fixedly connected with the bent end of the third structure; as shown in FIG. 4, it can be seen that the fourth structure is attached transversely to the curved end of the third structure;
the second predetermined position may be a position pre-designed in the length direction in the third structure.
The second support frame 14 comprises a fifth structure and a sixth structure, the fifth structure is an H-shaped rod structure, at least two pairs of through holes are symmetrically arranged on a rod piece at one side end part of a horizontal section in the fifth structure and are respectively provided with a through hole as a fifth through hole, the sixth structure is a polygonal column structure, and the other side end part of the horizontal section in the fifth structure is fixedly connected to one side surface of the sixth structure;
the two second connecting pieces are respectively arranged in the hollow cylindrical structure and the third through hole, are fixedly arranged on the two fixing frames 10 and are positioned between the two fixing frames 10, and the first support frame 13 can rotate relative to the fixing frames 10;
the two second connecting rods are respectively arranged in the hollow cylinder structure and the third fourth through hole and are fixedly connected with the two fixing frames 10, at least two implementation modes can be provided, one implementation mode is that the second connecting rods penetrate through the hollow cylinder structure and the third fourth through hole and then are welded on the two fixing frames 10, the other implementation mode is that external threads are arranged at two ends of the second connecting rods, and the second connecting rods penetrate through the hollow cylinder, the third fourth through hole and the fixing frames 10 and then are fixed on the fixing frames 10 through nuts.
The two third connecting pieces are respectively arranged in the symmetrical fifth through holes, are fixedly arranged on the two fixing frames 10 and are positioned between the two fixing frames 10, the second supporting frame 14 can rotate relative to the fixing frames 10, and the plate surface of the second supporting frame 14 is opposite to and parallel to the plate surface of the first supporting frame 13; as shown in fig. 4, the plate surface of the second support frame 14 is disposed in parallel with the plate surface of the first support frame 13.
It is worth mentioning that, the one end of above-mentioned second connecting rod and the one end of third connecting rod can be fixed the setting in advance on the medial surface of a mount 10, when the installation, only need pass welding on another mount 10's inboard behind above-mentioned hollow cylinder structure, fourth through-hole and the fifth through-hole through the other end correspondence, the embodiment of the utility model provides a not inject to this.
In addition, the second connecting rod can adopt pan head screws, after the paddle is clamped stably, the pan head screws penetrating through the fourth through holes and the pan head screws screwed in the fifth through holes farthest from the horizontal section in the fifth structure can be screwed, and the pan head screws are screwed, so that the paddle can be stably placed between the first clamping assembly and the second clamping assembly.
The two support plates 12 are respectively mounted on the two fixing frames 10 through the ear plates, the plate-shaped structure of one support plate 12 is close to the end part of the first support frame 13 provided with the fourth through hole, the end part of the first support frame 13 provided with the fourth through hole is arranged between the first plate surface and the second adjusting component, the plate-shaped structures of the two support plates 12 are parallel to each other, the support plates 12 can rotate relative to the fixing frames 10, and the first plate surface is the surface of the support plate 12 on the same side with the ear plates.
Wherein, two above-mentioned backup pads 12 are installed respectively on two above-mentioned mounts 10 through above-mentioned otic placode and have two kinds of implementation manners at least, and first implementation manner is:
a cylinder is arranged on a first mounting surface of the fixing frame 10, and the first mounting surface is a mounting surface for mounting the fixing frame 10 and the support plate 12;
the end of the ear plate of one of the support plates 12 is provided with a through hole as a sixth through hole;
one of the cylinders corresponds to one of the sixth through holes, and one of the cylinders is disposed in one of the sixth through holes, and the cylinder is rotatable with respect to the sixth through hole, thereby rotating the support plate 12 with respect to the fixing frame 10.
The second implementation manner is as follows: a cylinder is arranged on a first mounting surface of the fixing frame 10, and the first mounting surface is a mounting surface for mounting the fixing frame 10 and the support plate 12;
the end of the ear plate of one of the support plates 12 is provided with a circular ring matched with the cylinder;
one of said cylinders corresponds to one of said rings, and one of said cylinders is disposed in one of said rings, said cylinder being rotatable with respect to said ring, thereby rotating the support plate 12 with respect to the holder 10.
Therefore, the second clamping assembly formed by the first supporting piece, the second supporting piece and the two supporting plates has a simple structure and is convenient to assemble and disassemble, and the paddle to be adjusted can be stably clamped.
In one implementation, the second adjustment assembly includes a handle mount 15 and a second handle 16,
the second handle 16 is mounted on the handle holder 15, and the second handle 16 is rotatable with respect to the handle holder 15;
the handle seat 15 is located at the end of the first support frame 13 where the third through hole is formed, and is fixedly mounted on the ends of the two fixing frames 10, and the handle seat 15 can press the first support frame 13 to move.
The working principle of the second handle 13 and the handle seat 15 is as follows: the second handle is pressed, the handle seat 15 is pressed by the second handle, the first support frame 13 is pressed by the handle seat 15, and the support plate 12 is pressed by the first support frame 13 to press the paddle, as shown in fig. 6.
The second handle 16 and the handle seat 15 can be connected by threads, that is, the second handle 16 is provided with external threads, the handle seat 15 is provided with internal threads, the second handle 16 can rotate in the handle seat 15 by the threads, and the second handle 16 can linearly move relative to the handle seat 15 while rotating relative to the handle seat 15; when the second handle 16 rotates the handle base 15, the first support frame 13 is pressed downwards, and the first support frame 13 presses the support plate 12 to press the paddle.
In addition, the handle seat 15 can be fixedly installed on the two fixing frames 10 by screws and is located between the two fixing frames 10.
It should be noted that the first handle 7 and the second handle 16 may be located on the same side, or may not be located on the same side, but the support seat connected to the second handle 16 is always adjacent to the first support frame 13, and the support seat connected to the second handle 16 can always press the first support frame 13 to move.
To facilitate the rotation of the second handle 16, an anti-slip pattern or sleeve may be provided at the end of the second handle 16 that applies pressure to increase the friction at the end of the second handle 16, allowing the technician to easily grasp and rotate it.
Therefore, the embodiment of the utility model provides a paddle aerodynamic performance adjusting device, the implementation that relative prior art relates to need not to process a large amount of paddles, also need not to select the paddle that aerodynamic property distribution probability is the biggest from a large amount of paddles, the paddle aerodynamic performance adjusting device that only needs to utilize above-mentioned embodiment to provide directly treats the paddle of adjustment and carries out the aerodynamic performance adjustment, relative prior art's implementation, not only can reduce the degree of difficulty of carrying out the aerodynamic performance adjustment to the paddle, shorten the paddle cycle of coming into use, moreover, the steam generator is simple in structure, it is convenient to load and unload.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (11)
1. A blade aerodynamic performance adjustment device, characterized in that, blade aerodynamic performance adjustment device includes: the device comprises a bracket assembly, a rotating part, a scale assembly, a first adjusting assembly, a second adjusting assembly, a first clamping assembly and a second clamping assembly;
the scale assembly comprises a dial (2) and a pointer (3); one end of the pointer (3) is fixedly arranged on the rotating piece; the pointer (3) can rotate relative to the dial (2);
the rotating piece is arranged on the bracket component and can rotate relative to the bracket component along a preset track;
the first clamping assembly is arranged on the rotating piece; the second clamping assembly is mounted on the bracket assembly; the first clamping assembly and the second clamping assembly are used for clamping the blade (1);
the first adjusting assembly is used for enabling the first clamping assembly to clamp the paddle (1), the first clamping assembly drives the rotating piece to rotate along the preset track in the process of clamping the paddle (1), and the rotating piece drives the pointer (3) to rotate relative to the dial (2) in the process of rotating along the preset track;
the second adjustment assembly is mounted on the bracket assembly and is used for enabling the second clamping assembly to clamp the blade (1).
2. The device according to claim 1, wherein the rotating member comprises a carriage (4), the carriage (4) comprising a first configuration and two second configurations, wherein,
the first structure is L-shaped plate structure, the first preset position department of the first vertical plate of the first structure is equipped with two at least through-holes, as first through-hole, on the first edge with the direction that first vertical plate carried on the back mutually is equipped with perpendicularly the second vertical plate of the first structure horizontal plate, first edge is: an edge of the horizontal plate of the first structure that is not adjacent to the first vertical plate;
the second structure is of a cylindrical structure, and a convex edge coplanar with one end face of the second structure is arranged on one end face of the second structure along the circumferential direction; a trapezoidal groove is formed in the side face of the second structure; the cross section of the trapezoid groove is as follows: the bottom surface of the trapezoid groove is provided with an L-shaped groove, the edge of a horizontal groove of the L-shaped groove is collinear with the second edge of the bottom surface of the trapezoid groove, a rectangular groove is arranged at a second preset position of a first surface, the first surface is a surface, parallel to the bottom surface of the trapezoid groove, of a vertical groove surface of the L-shaped groove and coplanar with the horizontal groove surface, the second edge is the edge of the horizontal groove opposite to the second surface in the L-shaped groove, and the second surface is a vertical groove surface parallel to the first surface in the L-shaped groove; the length of the trapezoid groove and the length of the rectangular groove are the same as the length of the second structure;
the two second structures are respectively and vertically fixed at two ends of the first structure, the convex edges of the two second structures are opposite, the bottom surface of the trapezoidal groove is coplanar with the surface of the second vertical plate, and the vertical groove surface of the L-shaped groove where the rectangular groove is located is coplanar with the surface of the horizontal plate of the first structure.
3. The device according to claim 2, characterized in that the rotating member further comprises two fixed discs (5),
the fixed disc (5) is of a circular-ring-plate-shaped structure, and a notch is formed in the fixed disc (5) and serves as a first notch;
a fixed disk (5) corresponds to a second structure, and a fixed disk (5) is sleeved on the outer side surface of the second structure.
4. A device according to claim 3, wherein the first adjustment assembly comprises a connection block (6) and a first handle (7),
the connecting block (6) is of a block structure with an L-shaped section, a through hole along the vertical section direction of the connecting block (6) is arranged at the center of the horizontal section of the connecting block (6) and serves as a second through hole, and the second through hole is provided with an internal thread with a preset length;
the first handle (7) is of a rod-shaped structure, and one end of the first handle (7) is provided with an external thread matched with the internal thread;
the horizontal section of the connecting block (6) is fixedly arranged on the first vertical plate, and the horizontal section of the connecting block (6) is opposite to the horizontal plate of the first structure.
5. The device according to claim 4, characterized in that said first clamping assembly comprises a first slider (8) and two first connecting rods,
the first sliding block (8) is of an L-shaped plate structure, and at least two waist-shaped holes are formed in a vertical plate of the first sliding block (8);
a first connecting rod corresponds to a waist-shaped hole and a first through hole, and is arranged in the waist-shaped hole and the first through hole.
6. The device according to claim 5, characterized in that said first clamping assembly further comprises a second slider (9),
the second sliding block (9) is of a plate-shaped structure;
and the second sliding block (9) is fixedly arranged on the horizontal plane surface of the L-shaped groove.
7. The device according to any of the claims 2 to 6, characterized in that the bracket assembly comprises two holders (10) and a plurality of fixed shafts (11),
the fixing frame (10) is of a strip-shaped plate structure, a through hole is formed in the plate surface at one end of the fixing frame (10) and serves as a third through hole, a notch along the length direction of the fixing frame (10) is formed in the plate surface at the other end of the fixing frame (10) and serves as a second notch, and the second notch is communicated with the third through hole;
the fixed shafts (11) are arranged between the two fixed frames (10) and fixedly connected with the fixed frames (10).
8. The device according to claim 7, characterized in that said second clamping assembly comprises two support plates (12), a first support bracket (13), a second support bracket (14), two second connecting rods and two third connecting rods,
the supporting plate (12) comprises two ear plates and a plate-shaped structure, and the ear plates are respectively and fixedly arranged at two ends of the plate-shaped structure;
the first support frame (13) comprises a third structure and a fourth structure, the third structure is a strip-shaped plate-shaped structure with one end bent, a through hole is formed in the plate surface of the other end and serves as a fourth through hole, and a hollow cylinder structure penetrating through the plate surface is arranged at a second preset position of the third structure; the fourth structure is a rod piece structure with a polygonal section, and the side surface of the fourth structure is vertical to and fixedly connected with the bent end of the third structure;
the second support frame (14) comprises a fifth structure and a sixth structure, the fifth structure is of an H-shaped rod piece structure, at least two pairs of through holes are formed in rod pieces at one side end part of a horizontal section in the fifth structure and used as fifth through holes, the sixth structure is of a polygonal column structure, and the end part at the other side of the horizontal section in the fifth structure is fixedly connected to one side surface of the sixth structure;
the two second connecting pieces are respectively arranged in the hollow cylindrical structure and the third through hole, are fixedly arranged on the two fixing frames (10) and are positioned between the two fixing frames (10), and the first supporting frame (13) can rotate relative to the fixing frames (10);
the two third connecting pieces are respectively arranged in the symmetrical fifth through holes, are fixedly arranged on the two fixing frames (10) and are positioned between the two fixing frames (10), the second supporting frame (14) can rotate relative to the fixing frames (10), and the plate surface of the second supporting frame (14) is opposite to and parallel to the plate surface of the first supporting frame (13);
two backup pad (12) pass through the otic placode is installed two respectively on mount (10), and one the platelike structure of backup pad (12) is close to first support frame (13) is equipped with the tip of fourth through-hole, just first support frame (13) are equipped with the tip of fourth through-hole arrange first face in with between the second adjustment subassembly, two the face platelike structure of backup pad (12) is parallel in opposite directions, backup pad (12) can be relative mount (10) rotate, first face is in backup pad (12) and the otic placode are located the face with same side place.
9. The device of claim 8, wherein the second adjustment assembly comprises a handle seat (15) and a second handle (16),
the second handle (16) is arranged on the handle seat (15), and the second handle (16) can rotate relative to the handle seat (15);
the handle seats (15) are fixedly arranged at the end parts of the two fixing frames (10) and are positioned at the end part of the first support frame (13) with the fourth through hole, the end part of the first support frame (13) with the fourth through hole is arranged between the first plate surface and the handle seats (15), and the handle seats (15) can press the first support frame (13) to move.
10. The device according to any one of claims 8 to 9, characterized in that a cylinder is arranged on a first mounting surface of the fixing frame (10), and the first mounting surface is a mounting surface for mounting the fixing frame (10) and the supporting plate (12);
the end parts of the lug plates of one support plate (12) are provided with a through hole as a sixth through hole;
one of the cylinders corresponds to one of the sixth through holes, and one of the cylinders is disposed in one of the sixth through holes.
11. The device according to any of the claims from 3 to 6, characterised in that the cylindrical surface of the second structure is provided with a U-shaped groove which is placed on the inner ring of the fixed disk (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921205827.0U CN211568336U (en) | 2019-07-29 | 2019-07-29 | Pneumatic performance adjusting device for paddle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921205827.0U CN211568336U (en) | 2019-07-29 | 2019-07-29 | Pneumatic performance adjusting device for paddle |
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| CN211568336U true CN211568336U (en) | 2020-09-25 |
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| CN201921205827.0U Active CN211568336U (en) | 2019-07-29 | 2019-07-29 | Pneumatic performance adjusting device for paddle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110562479A (en) * | 2019-07-29 | 2019-12-13 | 北京中航智科技有限公司 | pneumatic performance adjusting device for paddle |
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2019
- 2019-07-29 CN CN201921205827.0U patent/CN211568336U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110562479A (en) * | 2019-07-29 | 2019-12-13 | 北京中航智科技有限公司 | pneumatic performance adjusting device for paddle |
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