A blade shape and position tolerance measuring tool

Abstract

The present invention relates to the technical field of form and position tolerance measurement, and specifically discloses a blade form and position tolerance measurement tool, comprising a base and a digital display control panel, wherein a rotation drive component for driving a blade workpiece to rotate is arranged on the base, a measuring component for detecting the form and position tolerance of the blade workpiece is arranged on the rotation drive component, and a workpiece loading and unloading vehicle for loading and unloading workpieces on a first workpiece hanging rod is movably arranged on the base; two parallel first workpiece hanging rods are arranged on one side of the rotation drive component, and a flipping drive component for flipping and rotating the first workpiece hanging rods is arranged between the two first workpiece hanging rods; automatic loading and unloading and measurement of the blade workpiece can be realized through the mutual coordination and cooperation between the first workpiece hanging rod, the workpiece moving rod structure, the flipping drive component, the rotation drive component, the workpiece loading and unloading vehicle and the measuring component, thereby realizing automated form and position tolerance measurement.

Description

Technical Field

[0001] The invention relates to the technical field of form and position tolerance measurement, and in particular to a blade form and position tolerance measurement tool. Background Art

[0002] Propeller blades refer to blades that can rotate in water or air. They are part of the device that converts the engine's rotational power into propulsion. In ships, propeller blades usually have two or more blades connected to the hub, and the rear side of the blade is a spiral surface or a spiral surface that is close to a spiral surface, which is used to propel the ship forward. In aircraft, propeller blades are used on small aircraft and helicopters, etc., and generate pulling force through high-speed rotation to make the aircraft move forward.

[0003] A conical screw shaft blade shape and position tolerance measuring tool with publication number CN221123209U includes: a base, two long side outer end faces of a rectangular frame are respectively provided with dovetail grooves, two short sides are respectively provided with arc-shaped recessed sections in the middle and the outer walls are respectively connected to center brackets, and the top of the center bracket is also provided with a dovetail groove.

[0004] However, currently, when measuring the form and position tolerances of blades, due to the outer contour of the blades, it is impossible to realize automated loading and unloading and measurement of blade workpieces on a large scale, resulting in low measurement efficiency of the blade workpieces. Summary of the invention

[0005] The purpose of the present invention is to provide a blade form and position tolerance measuring tool to solve the above-mentioned problems and overcome the defects of the prior art, as described in detail below.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] The present invention provides a blade form and position tolerance measuring tool, comprising a base and a digital display control panel, wherein the base is provided with a rotation drive assembly for driving a blade workpiece to rotate, the rotation drive assembly is provided with a measuring assembly for detecting the form and position tolerance of the blade workpiece, and the base is movably provided with a workpiece loading and unloading vehicle for loading and unloading a workpiece on a first workpiece hanging rod;

[0008] One side of the rotation drive assembly is provided with two first workpiece hanging rods distributed in parallel, and a flipping drive assembly for flipping and rotating the first workpiece hanging rods is provided between the two first workpiece hanging rods;

[0009] A workpiece moving rod structure is provided between the two first workpiece hanging rods for moving the blade workpiece between the first workpiece hanging rod and the rotary drive assembly and for moving the blade workpiece between the first workpiece hanging rod and the workpiece loading and unloading vehicle. The workpiece moving rod structure is located on the rotation center axis between the two first workpiece hanging rods.

[0010] Preferably, the flip drive assembly includes a first supporting upright plate, the lower end of the first supporting upright plate is fixedly arranged on the base, the top of the first supporting upright plate is fixedly arranged with a first supporting platform, a third motor is fixedly arranged inside the first supporting platform, the output shaft of the third motor passes through the first supporting platform and is fixedly connected with the flip plate, one ends of the two first workpiece hanging rods are respectively fixedly connected with the flip plates, the other ends of the two first workpiece hanging rods are provided with connecting holes, and the output end of the digital display control panel is electrically connected to the input end of the third motor.

[0011] Preferably, the rotation drive assembly includes a second supporting upright plate, the lower end of the second supporting upright plate is fixedly set on the base, the upper end of the second supporting upright plate is fixedly set with a second supporting platform, a fourth motor is fixedly set in the second supporting platform, the output shaft end of the fourth motor passes through the second supporting platform and is fixedly connected with a rotating shaft, a first electric telescopic rod for cooperating with the connecting hole and being connected with the rotating shaft is fixedly set in the rotating shaft, a limiting boss is set on the outer side of the rotating shaft, and the output end of the digital display control panel is electrically connected to the input end of the fourth motor.

[0012] Preferably, the workpiece moving rod structure includes a central rod, one end of which is fixedly connected to the flip plate, and the other end of the central rod is rotatably connected to a hanger via a bearing, and the hanger is fixedly connected to the second support platform via bolts.

[0013] Preferably, the workpiece loading and unloading vehicle includes a vehicle plate with a rectangular shape, a side panel is fixedly provided on the upper side of one end of the vehicle plate along its length direction, one end of the second workpiece hanging rod is fixedly connected to the side of the side panel facing the vehicle plate, a second electric telescopic rod for cooperating with the connecting hole is provided inside the other end of the second workpiece hanging rod, movable wheels are provided at the four corners of the lower side of the vehicle plate, and the output end of the digital display control panel is electrically connected to the input end of the third electric telescopic rod.

[0014] Preferably, a third electric telescopic rod is fixedly provided on the vehicle plate, with the push rod head of the third electric telescopic rod facing downward, and a positioning hole for cooperating and connecting with the push rod head of the third electric telescopic rod is opened on the upper side of the base, and the output end of the digital display control panel is electrically connected to the input end of the third electric telescopic rod.

[0015] Preferably, the outer sides of the first workpiece hanging rod, the rotating shaft and the second workpiece hanging rod are respectively formed with key connection convex strips along their length directions, and the paddle workpiece is provided with a sleeve for being respectively sleeved and connected to the first workpiece hanging rod, the rotating shaft and the second workpiece hanging rod, and the inner side of the sleeve is provided with a key groove for cooperating with the key connection convex strip.

[0016] Preferably, a slide groove is provided in the central rod body along its length direction, and the slide groove is opened on both sides. A slider is slidably arranged in the slide groove, and a screw is rotatably arranged in the slide groove. One end of the screw is driven to rotate by a first motor fixed to the end of the central rod body, and both sides of the slider pass through the inner openings of the slide groove and are provided with a lever structure, and the output end of the digital display control panel is electrically connected to the input end of the first motor.

[0017] Preferably, the lever structure includes a second motor fixedly mounted on a slider, the output shaft of the second motor is connected to a rotating support, a first cylinder is fixedly connected to the rotating support, a push rod head end of the first cylinder is connected to a lever plate, and the output end of the digital display control panel is electrically connected to the input ends of the second motor and the first cylinder, respectively.

[0018] Preferably, the measuring component includes a fifth electric telescopic rod, the push rod head end of the fifth electric telescopic rod is fixedly connected to a hanging plate, the lower end of the hanging plate is provided with a shape and position detector, the fifth electric telescopic rod is fixedly provided with a cross beam, both ends of the cross beam are provided with a fourth electric telescopic rod for driving it to rise and fall, the fourth electric telescopic rod is fixedly provided on the second support platform through a fixing seat, the output end of the digital display control panel is electrically connected to the input end of the fourth electric telescopic rod and the fifth electric telescopic rod, respectively, and the digital display control panel and the shape and position detector are electrically connected to each other.

[0019] The beneficial effects are:

[0020] 1. Through the mutual coordination and cooperation among the first workpiece hanging rod, the workpiece moving rod structure, the flip driving assembly, the rotating driving assembly, the workpiece loading and unloading vehicle and the measuring assembly, the automatic loading and unloading and measurement of the blade workpiece can be realized, thereby realizing the automatic form and position tolerance measurement;

[0021] 2. The rotary drive assembly can realize the rotation of the blade workpiece, thereby cooperating with the measuring assembly to realize the 360-degree rotation multi-point measurement of the blade workpiece;

[0022] 3. The turning drive assembly drives the two first workpiece hanging rods to turn up and down, thereby realizing the transition conversion of loading and unloading of the blade workpiece at the rotating drive assembly;

[0023] 4. Utilize the keyway on the inner side of the sleeve itself to realize the guiding installation of the first workpiece hanging rod, the rotating shaft and the second workpiece hanging rod, and realize the limiting of axial rotation. When the first workpiece hanging rod is respectively connected with the rotating shaft and the second workpiece hanging rod, the key connection convex strip can also play the role of guiding and transferring the blade workpiece between the first workpiece hanging rod and the rotating shaft and between the first workpiece hanging rod and the second workpiece hanging rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 It is a front view of the present invention;

[0026] Figure 2 The present invention Figure 1 Left view of

[0027] Figure 3 The present invention Figure 1 A first-direction stereogram;

[0028] Figure 4 The present invention Figure 2 AA section view;

[0029] Figure 5 The present invention Figure 4 A partial enlarged view of point B;

[0030] Figure 6 The present invention Figure 4 A partial enlarged view of point C;

[0031] Figure 7 The present invention Figure 4 A partial enlarged view of point D;

[0032] Figure 8 The present invention Figure 1 A second direction stereogram of

[0033] Fig. 9 The present invention Figure 8 A partial enlarged view of point E.

[0034] The accompanying drawings are described as follows: 1. base; 101. track groove; 102. positioning hole; 2. first workpiece hanging rod; 201. connecting hole; 3. workpiece moving rod structure; 301. central rod; 302. hanger; 303. screw; 304. slider; 305. slide; 306. first motor; 307. second motor; 308. rotating support; 309. first cylinder; 310. paddle; 4. flip drive assembly; 401. first support platform; 402. first support vertical plate; 403. flip plate; 404. third motor; 5. rotating drive assembly; 501. second support Support platform; 502, second supporting vertical plate; 503, fourth motor; 504, rotating shaft; 505, limiting boss; 506, first electric telescopic rod; 6, workpiece loading and unloading vehicle; 601, vehicle plate; 602, side plate; 603, moving wheel; 604, second workpiece hanging rod; 605, second electric telescopic rod; 606, third electric telescopic rod; 7, measuring component; 701, fourth electric telescopic rod; 702, fixing seat; 703, crossbeam; 704, fifth electric telescopic rod; 705, hanging plate; 706, form and position detector; 8, digital display control panel; 9, paddle workpiece; 901, sleeve. DETAILED DESCRIPTION

[0035] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0036] See also Figure 1-Figure 9 As shown, the present invention provides a blade form and position tolerance measuring tool, including a base 1 and a digital display control panel 8, a rotation drive component 5 for driving the blade workpiece 9 to rotate is arranged on the base 1, a measuring component 7 for detecting the form and position tolerance of the blade workpiece 9 is arranged on the rotation drive component 5, a workpiece loading and unloading vehicle 6 for loading and unloading the workpiece on the first workpiece hanging rod 2 is movably arranged on the base 1; two parallel first workpiece hanging rods 2 are arranged on one side of the rotation drive component 5, and a flipping drive component 4 for flipping and rotating the first workpiece hanging rods 2 is arranged between the two first workpiece hanging rods 2; a workpiece moving rod body structure 3 for moving the blade workpiece 9 between the first workpiece hanging rod 2 and the rotation drive component 5 and for moving the blade workpiece 9 between the first workpiece hanging rod 2 and the workpiece loading and unloading vehicle 6 is arranged between the two first workpiece hanging rods 2, and the workpiece moving rod body structure 3 is located on the rotation center axis between the two first workpiece hanging rods 2.

[0037] See the instruction manual Figure 1 , Figure 3 and Figure 4As shown, the flip drive assembly 4 includes a first support vertical plate 402, the lower end of the first support vertical plate 402 is fixedly arranged on the base 1, the top of the first support vertical plate 402 is fixedly arranged with a first support platform 401, a third motor 404 is fixedly arranged inside the first support platform 401, the output shaft of the third motor 404 passes through the first support platform 401 and is fixedly connected with a flip plate 403, one end of the two first workpiece hanging rods 2 are respectively fixedly connected to the flip plate 403, the other end of the two first workpiece hanging rods 2 is provided with a connecting hole 201, and the output end of the digital display control panel 8 is electrically connected to the input end of the third motor 404. In practical applications, the flip drive assembly 4 can realize the up and down driving flipping of the two first workpiece hanging rods 2, thereby realizing the position conversion of the two first workpiece hanging rods 2 between the rotating drive assembly 5 and the workpiece loading and unloading vehicle 6.

[0038] See the instruction manual Figure 1 , Figure 4 and Figure 5 As shown, the rotation drive assembly 5 includes a second support plate 502, the lower end of the second support plate 502 is fixedly arranged on the base 1, the upper end of the second support plate 502 is fixedly arranged with a second support platform 501, a fourth motor 503 is fixedly arranged in the second support platform 501, the output shaft end of the fourth motor 503 passes through the second support platform 501 and is fixedly connected with a rotating shaft 504, a first electric telescopic rod 506 for cooperating with the connecting hole 201 is fixedly arranged in the rotating shaft 504, a limited position boss 505 is arranged on the outer side of the rotating shaft 504, and the output end of the digital display control panel 8 is electrically connected to the input end of the fourth motor 503. Through the above-mentioned specific structural design, the rotation drive assembly 5 can realize the rotation of the blade workpiece 9, thereby cooperating with the measuring assembly 7 to realize the 360-degree rotation measurement of the blade workpiece 9.

[0039] The workpiece moving rod structure 3 includes a central rod 301, one end of which is fixedly connected to the flip plate 403, and the other end of the central rod 301 is rotatably connected to the hanger 302 through a bearing, and the hanger 302 is fixedly connected to the second support platform 501 through bolts.

[0040] See the instruction manual Figure 3 , Figure 4 , Figure 7 and Fig. 9As shown, the workpiece loading and unloading vehicle 6 includes a vehicle plate 601 in the shape of a rectangular parallelepiped, a side plate 602 is fixedly provided on the upper side of one end of the vehicle plate 601 along the length direction thereof, one end of the second workpiece hanging rod 604 is fixedly connected to the side of the side plate 602 facing the vehicle plate 601, a second electric telescopic rod 605 for cooperating with the connecting hole 201 is provided inside the other end of the second workpiece hanging rod 604, moving wheels 603 are provided at the four corners of the lower side of the vehicle plate 601, and the output end of the digital display control panel 8 is electrically connected to the input end of the third electric telescopic rod 606. The third electric telescopic rod 606 is fixedly provided on the vehicle plate 601, the push rod head end of the third electric telescopic rod 606 faces downward, a positioning hole 102 for cooperating with the push rod head end of the third electric telescopic rod 606 is provided on the upper side of the base 1, and the output end of the digital display control panel 8 is electrically connected to the input end of the third electric telescopic rod 606. In addition, a track groove 101 is opened on the upper side of the base 1 for guiding the movement of the moving wheel 603, thereby realizing the guided movement of the workpiece loading and unloading vehicle 6 on the base 1, thereby facilitating the docking connection between the second electric telescopic rod 605 and the connecting hole 201, and when the second electric telescopic rod 605 is docked with the connecting hole 201, the push rod head end of the third electric telescopic rod 606 and the positioning hole 102 correspond to each other in the upper and lower positions.

[0041] The outer sides of the first workpiece hanging rod 2, the rotating shaft 504 and the second workpiece hanging rod 604 are respectively convexly formed with key connection convex strips along their length direction, and the blade workpiece 9 is provided with a sleeve 901 for sleeve connection with the first workpiece hanging rod 2, the rotating shaft 504 and the second workpiece hanging rod 604, and the inner side of the sleeve 901 is provided with a key slot for matching with the key connection convex strip. Through the above-mentioned specific structural design, the key slot provided on the inner side of the sleeve 901 itself is utilized to realize the guiding installation of the first workpiece hanging rod 2, the rotating shaft 504 and the second workpiece hanging rod 604, and realize the axial rotation limitation. When the first workpiece hanging rod 2 is respectively connected with the rotating shaft 504 and the second workpiece hanging rod 604, the key connection convex strip can also play a guiding and transferring role of the blade workpiece 9 between the first workpiece hanging rod 2 and the rotating shaft 504 and between the first workpiece hanging rod 2 and the second workpiece hanging rod 604.

[0042] See the instruction manual Figure 3 , Figure 4 and Figure 6As shown, a slide groove 305 is provided in the center rod body 301 along its length direction, and both sides of the slide groove 305 are opened. A slider 304 is slidably arranged in the slide groove 305, and a screw rod 303 is rotatably arranged in the slide groove 305. One end of the screw rod 303 is driven to rotate by a first motor 306 fixedly arranged at the end of the center rod body 301. Both sides of the slider 304 respectively pass through the inner openings of the slide groove 305 and are provided with a lever structure, and the output end of the digital display control panel 8 is electrically connected to the input end of the first motor 306. The lever structure includes a second motor 307 fixedly arranged on the slider 304, the output shaft of the second motor 307 is connected to a rotating support 308, and a first cylinder 309 is fixedly connected to the rotating support 308. The push rod head end of the first cylinder 309 is connected to a lever plate 310, and the output end of the digital display control panel 8 is electrically connected to the input end of the second motor 307 and the first cylinder 309 respectively. Through the above-mentioned specific structural design, the rotation of the output shaft of the second motor 307 can drive the first cylinder 309 to rotate, thereby realizing the upside-down flipping of the first cylinder 309, thereby realizing the push-to-move conversion of the paddle workpiece 9 on the first workpiece hanging rod 2 located above and below.

[0043] See the instruction manual Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the measuring assembly 7 includes a fifth electric telescopic rod 704, a push rod head end of the fifth electric telescopic rod 704 is fixedly connected to a hanging plate 705, a shape and position detector 706 is arranged at the lower end of the hanging plate 705, and the shape and position detector 706 adopts the existing technology and is well known to those skilled in the art. A cross beam 703 is fixedly arranged on the fifth electric telescopic rod 704, and a fourth electric telescopic rod 701 for driving it to rise and fall is arranged at both ends of the cross beam 703, and the fourth electric telescopic rod 701 is fixedly arranged on the second support platform 501 through a fixing seat 702, and the output end of the digital display control panel 8 is electrically connected to the input end of the fourth electric telescopic rod 701 and the fifth electric telescopic rod 704, respectively, and the digital display control panel 8 and the shape and position detector 706 are electrically connected to each other.

[0044] Working principle and beneficial effects of the present invention:

[0045] When measuring the blade workpiece 9, in order to meet the automated measurement of a large number of blade workpieces 9, that is, to meet the automatic loading, automatic unloading and automatic measurement of the blade workpiece 9, specifically, when automatically loading, the output shaft of the first motor 306 rotates to drive the screw 303 to rotate, and the rotation of the screw 303 can drive the slider 304 to slide and move in the slide groove 305, and the movement of the slider 304 can drive the first cylinder 309 and the paddle plate 310 to move, so that when the first workpiece hanging rod 2 and the rotating shaft 504 are connected, the paddle workpiece 9 is moved to the rotating shaft 504 by the paddle plate 310, and the limiting boss 505 is used to abut and limit, and the measuring component 7 realizes the measurement of the blade workpiece 9, and cooperates with the rotation drive component 5 to drive the blade workpiece 9 to rotate 360 ​​degrees to measure the blade workpiece 9, and cooperates with the fourth electric telescopic rod 701 and the fifth electric telescopic rod 704 to drive the shape and position detector 706, so as to realize the radial measurement of the blade workpiece 9 along its rotation direction;

[0046] After the measurement is completed, the workpiece moving rod structure 3 moves the blade workpiece 9 from the rotating shaft 504 toward the first workpiece hanging rod 2, and then the first electric telescopic rod 506 releases the locking of the first workpiece hanging rod 2, and the flip driving assembly 4 drives the two first workpiece hanging rods 2 to flip up and down, so that the first workpiece hanging rod 2 with the measured blade workpiece 9 moves to the bottom, at this time, the first workpiece hanging rod 2 located at the top is re-connected with the rotating shaft 504 through the first electric telescopic rod 506, and the first workpiece hanging rod 2 located at the bottom is connected to the second workpiece hanging rod through the third electric telescopic rod 606. 604 docking, the workpiece moving rod body structure 3 moves the blade workpiece 9 from the first workpiece hanging rod 2 toward the rotating shaft 504, and the measuring component 7 performs measurement. Then the workpiece moving rod body structure 3 moves the measured blade workpiece 9 on the first workpiece hanging rod 2 located below, and completes the movement of the blade workpiece 9 from the first workpiece hanging rod 2 toward the workpiece loading and unloading vehicle 6, thereby completing the automatic loading and unloading of the blade workpiece 9 during the entire measurement process, and the workpiece loading and unloading vehicle 6 can cooperate with the workpiece moving rod body structure 3 to complete the loading of the blade workpiece 9 on the first workpiece hanging rod 2.

[0047] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A blade shape and position tolerance measuring tool, characterized by: The invention comprises a base (1) and a digital display control panel (8); the base (1) is provided with a rotation drive assembly (5) for driving a blade workpiece (9) to rotate; the rotation drive assembly (5) is provided with a measuring assembly (7) for detecting the shape and position tolerance of the blade workpiece (9); the base (1) is movably provided with a workpiece loading and unloading vehicle (6) for loading and unloading workpieces on a first workpiece hanging rod (2); One side of the rotation drive assembly (5) is provided with two first workpiece hanging rods (2) distributed in parallel, and a flipping drive assembly (4) for flipping and rotating the first workpiece hanging rods (2) is provided between the two first workpiece hanging rods (2); A workpiece moving rod structure (3) is provided between the two first workpiece hanging rods (2) and is used to move the paddle workpiece (9) between the first workpiece hanging rod (2) and the rotary drive assembly (5) and to move the paddle workpiece (9) between the first workpiece hanging rod (2) and the workpiece loading and unloading vehicle (6); the workpiece moving rod structure (3) is located on the central axis of rotation between the two first workpiece hanging rods (2); The flip drive assembly (4) comprises a first support upright plate (402), the lower end of the first support upright plate (402) is fixedly arranged on the base (1), the top end of the first support upright plate (402) is fixedly arranged with a first support platform (401), a third motor (404) is fixedly arranged inside the first support platform (401), an output shaft of the third motor (404) passes through the first support platform (401) and is fixedly connected to a flip plate (403), one end of the two first workpiece hanging rods (2) are respectively fixedly connected to the flip plate (403), the other ends of the two first workpiece hanging rods (2) are provided with connection holes (201), and the output end of the digital display control panel (8) is electrically connected to the input end of the third motor (404); The rotary drive assembly (5) comprises a second support upright plate (502), the lower end of the second support upright plate (502) being fixedly arranged on the base (1), the upper end of the second support upright plate (502) being fixedly arranged with a second support platform (501), a fourth motor (503) being fixedly arranged inside the second support platform (501), an output shaft end of the fourth motor (503) passing through the second support platform (501) and being fixedly connected with a rotating shaft (504), a first electric telescopic rod (506) being fixedly arranged inside the rotating shaft (504) for being matched and connected with the connecting hole (201), a limiting boss (505) being arranged on the outer side of the rotating shaft (504), and an output end of the digital display control panel (8) being electrically connected to an input end of the fourth motor (503); The workpiece moving rod structure (3) comprises a central rod (301), one end of the central rod (301) being fixedly connected to a flip plate (403), the other end of the central rod (301) being rotatably connected to a hanger (302) via a bearing, and the hanger (302) being fixedly connected to a second support platform (501) via bolts; A slide groove (305) is provided in the central rod body (301) along its length direction, the slide groove (305) is open on both sides, a slider (304) is slidably provided in the slide groove (305), a screw rod (303) is rotatably provided in the slide groove (305), one end of the screw rod (303) is driven to rotate by a first motor (306) fixedly provided at the end of the central rod body (301), both sides of the slider (304) respectively pass through the inner openings of the slide groove (305) and are provided with a lever structure, and the output end of the digital display control panel (8) is electrically connected to the input end of the first motor (306); The lever structure comprises a second motor (307) fixedly arranged on a slider (304); an output shaft of the second motor (307) is connected to a rotating support (308); a first cylinder (309) is fixedly connected to the rotating support (308); a push rod head end of the first cylinder (309) is connected to a lever plate (310); and an output end of the digital display control panel (8) is electrically connected to input ends of the second motor (307) and the first cylinder (309), respectively.

2. The blade form and position tolerance measuring tool according to claim 1, characterized in that: The workpiece loading and unloading vehicle (6) comprises a vehicle plate (601) in the shape of a rectangular parallelepiped, a side plate (602) being fixedly arranged on the upper side of one end of the vehicle plate (601) along its length direction, one end of a second workpiece hanging rod (604) being fixedly connected to the side of the side plate (602) facing the vehicle plate (601), a second electric telescopic rod (605) for cooperating with the connecting hole (201) being arranged inside the other end of the second workpiece hanging rod (604), moving wheels (603) being arranged at the four corners of the lower side of the vehicle plate (601), and an output end of the digital display control panel (8) being electrically connected to an input end of a third electric telescopic rod (606).

3. The blade form and position tolerance measuring tool according to claim 2, characterized in that: A third electric telescopic rod (606) is fixedly arranged on the vehicle plate (601), with the push rod head end of the third electric telescopic rod (606) facing downwards, and a positioning hole (102) for cooperating and connecting with the push rod head end of the third electric telescopic rod (606) is provided on the upper side of the base (1), and the output end of the digital display control panel (8) is electrically connected to the input end of the third electric telescopic rod (606).

4. The blade form and position tolerance measuring tool according to claim 3, characterized in that: The outer sides of the first workpiece hanging rod (2), the rotating shaft (504) and the second workpiece hanging rod (604) are respectively provided with key connection convex strips protruding along their length directions; the paddle workpiece (9) is provided with a sleeve (901) for being sleeved and connected to the first workpiece hanging rod (2), the rotating shaft (504) and the second workpiece hanging rod (604) respectively; the inner side of the sleeve (901) is provided with a key groove for being matched and connected to the key connection convex strip.

5. The blade form and position tolerance measuring tool according to claim 1, characterized in that: The measuring assembly (7) comprises a fifth electric telescopic rod (704), a push rod head end of the fifth electric telescopic rod (704) is fixedly connected to a hanging plate (705), a shape and position detector (706) is arranged at the lower end of the hanging plate (705), a crossbeam (703) is fixedly arranged on the fifth electric telescopic rod (704), and a fourth electric telescopic rod (701) for driving the crossbeam (703) to move up and down is arranged at both ends of the crossbeam (703), the fourth electric telescopic rod (701) is fixedly arranged on the second support platform (501) through a fixing seat (702), the output end of the digital display control panel (8) is electrically connected to the input end of the fourth electric telescopic rod (701) and the fifth electric telescopic rod (704), respectively, and the digital display control panel (8) and the shape and position detector (706) are electrically connected to each other.

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