Impeller testing fixture

Abstract

The utility model provides an impeller testing fixture, which relates to the technical field of impeller detection and comprises an L-shaped base, one end of the L-shaped base is internally provided with a movable groove, and the bottom of the inner cavity of the movable groove is fixedly connected with two electric telescopic rods. The center of the small impeller is arranged on the surface of the impeller mounting shaft in a sleeving mode, then the hand-held rotating disc is held by hand to rotate the long threaded rod in the forward direction, the small impeller arranged on the surface of the impeller mounting shaft in a sleeving mode is clamped and fixed, and the first servo motor works to drive the small impeller to rotate; a laser scanning block works to scan and detect the surface of the small impeller, a control terminal is operated, the output end of an electric telescopic rod stretches out to push a lifting plate to move upwards, the distance between the bottom of a fixed bottom plate and the surface of the top of an L-shaped base is increased, and a space is provided for rotation adjustment of the small impeller; and the gear is engaged with the tooth groove to drive the turntable to rotate and adjust, so that the detection is more comprehensive.

Description

TECHNICAL FIELD

[0001] The utility model relates to impeller detection technical field especially, relate to a kind of impeller testing fixture. BACKGROUND

[0002] Impeller refers to the wheel disc equipped with moving blade, is the component part of impulse steam turbine rotor, can also refer to the total of wheel disc and rotating blade installed on it, impeller can be classified according to shape and open-close condition.

[0003] In prior art, when checking and detecting small impeller, first, laser scanning equipment is used to scan and detect the surface of small impeller, then small impeller is installed on the surface of impeller mounting shaft to simulate work for detection, detection efficiency is low, on the other hand, the existing impeller testing fixture laser scanning block is arranged above the impeller, cannot completely laser scan the surface of impeller, needs to adjust fixed impeller multiple times, detection efficiency is low. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems in prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an impeller testing fixture, comprising: L-shaped base, the inside of one end of the L-shaped base is provided with a movable slot, two electric telescopic rods are fixedly connected to the bottom of the movable slot inner cavity, the top of the two electric telescopic rods is fixedly connected with lifting plate, the surface of the lifting plate is provided with adjusting mechanism, the top of the lifting plate is fixedly connected with connecting plate, the top of one side of the connecting plate is fixedly connected with three fixed rods, three laser scanning blocks are fixedly connected to the bottom of the three fixed rods, the side of the adjusting mechanism is threadedly embedded with long screw rod, the top of the long screw rod is fixedly connected with hand turntable, one end of the side of the lifting plate is fixedly installed with servo motor two through fixed plate, the output end of the servo motor two is fixedly connected with gear.

[0006] Further, the four corners of the bottom of the L-shaped base are fixedly connected with anti-skid bottom corner pad, one end of the side of the L-shaped base is fixedly installed with control terminal, the inside of the L-shaped base is fixedly embedded and installed with storage battery, the side of the storage battery is provided with charging port.

[0007] Further, the adjusting mechanism comprises turntable, the turntable is embedded and installed on the surface of lifting plate through bearing, cross-shaped sliding slot is throughly formed in the center of the turntable, fixed bottom plate is fixedly embedded and installed on the bottom of the surface of the turntable, and the fixed bottom plate is located directly below the cross-shaped sliding slot.

[0008] Further, one end of the bottom of the fixed bottom plate is fixedly provided with a servo motor one, the output end of the servo motor one is penetrated through the surface of the fixed bottom plate and is connected with an impeller mounting shaft, the surface of the impeller mounting shaft is fixedly provided with a limiting ring, and the top of the limiting ring is provided with an insertion slot.

[0009] Further, the inside of the cross-shaped sliding groove is movably provided with a cross limiting plate, one end of the cross limiting plate is provided with a threaded hole, the other end of the cross limiting plate is fixedly connected with a clamping plate, the other end of the bottom of the clamping plate is movably provided with a sleeve through a bearing, the top of the inner cavity of the sleeve is fixedly connected with an insertion rod, the bottom of the sleeve is movably arranged on the top of the impeller mounting shaft, and the bottom end of the insertion rod is movably arranged in the top of the insertion slot.

[0010] Further, the other side of the surface of the rotating disc is surrounded by a plurality of tooth grooves, the bottom of the long threaded rod is movably arranged at one end of the top of the fixed bottom plate through a bearing, the surface of the long threaded rod is movably arranged in the inside of the threaded hole, and the gear is meshedly connected with the tooth groove.

[0011] Further, the two laser scanning blocks located on the two sides are respectively fixedly arranged at the center of the bottom of the two fixed rods, and the laser scanning block located in the middle is fixedly arranged at one end of the bottom of the fixed rod located in the middle.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that:

[0013] 1、 the utility model discloses, the center of small -size impeller is arranged on the surface of impeller mounting shaft, then the long threaded rod is rotated forwardly by hand -held hand -rotating disc, the bottom end of insertion rod is inserted into the top of insertion slot inner cavity, the sleeve is arranged on the surface of impeller mounting shaft, and the small -size impeller arranged on the surface of impeller mounting shaft is clamped and fixed, and servo motor one works and drives impeller mounting shaft to rotate, thereby driving small -size impeller to rotate, and laser scanning block works and scans the surface of small -size impeller.

[0014] 2、 the utility model discloses, and the operation control terminal controls electric telescopic rod to start working, and the output end of electric telescopic rod is stretched and is used for driving lifting plate to move upwards, and the distance between the bottom of fixed bottom plate and the top surface of L-shaped base is lifted, and the space is provided for the rotation of small -size impeller, and servo motor two works and drives gear to rotate, and is connected through gear and tooth groove meshing, drives rotating disc to rotate and adjusts, and makes detection more comprehensive. DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model discloses a kind of impeller testing fixture;

[0016] Figure 2The utility model provides a kind of impeller gauge's lifting structure section view for the utility model provides;

[0017] Figure 3 The utility model provides a kind of impeller gauge's side view for the utility model provides a kind of impeller gauge's side view Figure 1 ;

[0018] Figure 4 The utility model provides a kind of impeller gauge's clamping assembly schematic view for the utility model provides a kind of impeller gauge's clamping assembly schematic view;

[0019] Figure 5 The utility model provides a kind of impeller gauge's side view for the utility model provides a kind of impeller gauge's side view Figure 2 .

[0020] Legend:

[0021] 1, L-shaped base; 101, movable groove; 102, electric telescopic rod; 2, anti-skid bottom corner pad; 3, control terminal; 4, battery; 401, charging port; 5, lifting plate; 6, adjusting mechanism; 601, turntable; 602, cross-shaped sliding slot; 603, fixed bottom plate; 604, servo motor one; 605, impeller mounting shaft; 606, limit ring; 607, plug-in slot; 608, cross limit plate; 609, screw hole; 610, clamping plate; 611, sleeve; 612, plug-in rod; 613, tooth groove; 7, connecting plate; 8, fixed rod; 9, laser scanning block; 10, long screw rod; 11, hand turntable; 12, servo motor two; 13, gear. Specific embodiments

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model.

[0023] Please refer to Figures 1-5The utility model provides a technical scheme: a kind of impeller testing fixture, comprising: L-shaped base 1, the inside of one end of L-shaped base 1 is provided with movable slot 101, the bottom of movable slot 101 inner cavity is fixedly connected with two electric telescopic rods 102, the top of two electric telescopic rods 102 is fixedly connected with lifting plate 5, the surface of lifting plate 5 is provided with adjusting mechanism 6, the top of lifting plate 5 is fixedly connected with connecting plate 7, the top of one side of connecting plate 7 is fixedly connected with three fixed rods 8, the bottom of three fixed rods 8 is fixedly connected with three laser scanning blocks 9, the side of adjusting mechanism 6 is screwed in long threaded rod 10, the top of long threaded rod 10 is fixedly connected with hand turntable 11, one end of the side of lifting plate 5 is fixedly installed servo motor two 12 by fixed plate, the output of servo motor two 12 is fixedly connected with gear 13.

[0024] Specifically: electric telescopic rod 102 is driven lifting plate 5 to move up and down inside movable slot 101 by the telescopic of output end, when the output end of electric telescopic rod 102 is stretched to maximum limit, the bottom end of lifting plate 5 will not be separated from the inside of movable slot 101, lifting plate 5 has certain height, when the output end of electric telescopic rod 102 is contracted to maximum limit, the bottom of turntable 601 will not contact the top of movable slot 101 inner cavity, adjusting mechanism 6 is used to rotate and adjust the impeller of detection state, connecting plate 7 is used to provide space for impeller when rotating and adjusting, laser scanning block 9 is used to scan and detect impeller.

[0025] In one embodiment, the four corners of the bottom of L-shaped base 1 are fixedly connected with anti-skid corner pads 2, one end of one side of L-shaped base 1 is fixedly installed control terminal 3, L-shaped base 1 is fixedly embedded and installed inside battery 4, one side of battery 4 is provided with charging port 401.

[0026] Specifically, as shown in Figure 1 、 2 , 5: anti-skid corner pad 2 is used to increase the stability of L-shaped base 1, to avoid sliding, control terminal 3 is used to control electric telescopic rod 102, servo motor one 604, laser scanning block 9, servo motor two 12, battery 4 is used as power supply for the device, charging port 401 is used as battery 4 power storage, charging port 401 can be used to connect external power cord and external power supply, keep long time working state, the power of battery 4 is sufficient.

[0027] In one embodiment, adjusting mechanism 6 includes turntable 601, turntable 601 is embedded and installed on the surface of lifting plate 5 through bearing, cross-shaped sliding slot 602 is throughly provided in the center of turntable 601, fixed bottom plate 603 is fixedly embedded and installed on the surface of turntable 601, and fixed bottom plate 603 is located directly below cross-shaped sliding slot 602.

[0028] Specifically, as shown inFigure 1 、 4 As shown in

[0029] In an embodiment, one end of the bottom of the fixed bottom plate 603 is fixedly installed with a servo motor one 604, the output end of the servo motor one 604 penetrates the surface of the fixed bottom plate 603 through a bearing and is connected with an impeller mounting shaft 605, a limit ring 606 is fixedly sleeved on the surface of the impeller mounting shaft 605, and an insertion slot 607 is formed in the top of the limit ring 606.

[0030] Specifically, as shown in Figure 1 The servo motor one 604 drives the impeller mounting shaft 605 to rotate, the limit ring 606 is used for limiting the impeller, avoiding the bottom of the impeller contacting the surface of the top of the fixed bottom plate 603, and the insertion slot 607 is used for cooperating with the insertion rod 612 to complete the butt joint.

[0031] In an embodiment, the inside of the cross-shaped sliding groove 602 is movably embedded with a cross-limiting plate 608, a threaded hole 609 is formed in one end of the cross-limiting plate 608, the other end of the cross-limiting plate 608 is fixedly connected with a clamping plate 610, the other end of the bottom of the clamping plate 610 is movably embeddedly installed with a sleeve 611 through a bearing, the top of the inner cavity of the sleeve 611 is fixedly connected with an insertion rod 612, the bottom of the sleeve 611 is movably sleeved on the top of the impeller mounting shaft 605, and the bottom end of the insertion rod 612 is movably embedded in the top of the inner cavity of the insertion slot 607.

[0032] Specifically, as shown in Figure 1 、 3 , 4, the center of the small impeller is sleeved on the surface of the impeller mounting shaft 605, when the bottom of the insertion rod 612 cannot be inserted into the inner cavity of the insertion slot 607 due to external factors, the worker can rotate and adjust the surface of the sleeve 611 by hand.

[0033] In an embodiment, the other side of the surface of the rotating disc 601 is surrounded by a plurality of tooth grooves 613, the bottom of the long threaded rod 10 is movably embeddedly installed on one end of the top of the fixed bottom plate 603 through a bearing, the surface of the long threaded rod 10 is movably embedded in the inside of the threaded hole 609, and the gear 13 is meshedly connected with the tooth groove 613.

[0034] Specifically, as shown in Figure 5As shown: servo motor two 12 work drive gear 12 rotation, through the gear 12 and gear slot 612 meshing connection, drive the rotating disc 601 rotation adjustment, hand hand rotating disc 11 to the long threaded rod 10 positive rotation, cross limiting plate 608 along the cross-shaped sliding groove 602 inside down, thereby driving the clamping plate 610 down, the bottom end of the plug-in rod 612 is inserted into the top of the plug-in slot 607 inner cavity, sleeve 611 is set on the surface of the impeller mounting shaft 605, the small impeller set on the surface of the impeller mounting shaft 605 is clamped and fixed.

[0035] In one embodiment, two laser scanning blocks 9 on both sides are respectively fixedly installed at the center of the bottom of two fixed rods 8 on both sides, and the laser scanning block 9 in the middle is fixedly installed at one end of the bottom of the fixed rod 8 in the middle.

[0036] Specifically, as shown in Figure 1 , 3 The fixed rod 8 is used for installing and fixing the laser scanning block 9, the laser scanning block 9 is used for scanning and detecting the impeller, and the three laser scanning blocks 9 are arranged in a triangular shape, so that the scanning and detection of the impeller is more comprehensive and accurate.

[0037] Working principle: the control terminal 3 is electrically connected with the battery 4, the electric telescopic rod 102, the servo motor one 604, the laser scanning block 9 and the servo motor two 12. When the gauge is used for detecting the small impeller, the center of the small impeller is sleeved on the surface of the impeller mounting shaft 605, the worker can rotate and adjust the surface of the sleeve 611 by hand, align the plug-in rod 612 with the plug-in slot 607, then rotate the long threaded rod 10 by hand with the hand rotating disc 11, the cross limiting plate 608 moves downward along the inside of the cross-shaped sliding groove 602, thereby driving the clamping plate 610 to move downward, the bottom end of the plug-in rod 612 is inserted into the top of the inner cavity of the plug-in slot 607, and the sleeve 611 is sleeved on the surface of the impeller mounting shaft 605. The small impeller set on the surface of the impeller mounting shaft 605 is clamped and fixed.

[0038] The operation control terminal 3 turns on the laser scanning block 9, the laser scanning block 9 works to scan and detect the surface of the small impeller, then the operation control terminal 3 controls the servo motor one 604 to start working, and the servo motor one 604 works to drive the impeller mounting shaft 605 to rotate, thereby driving the small impeller to rotate.

[0039] Through such setting, the small impeller is clamped and fixed, the working detection is simulated, and the detection efficiency is improved.

[0040] When the other side of the impeller needs to be detected, the operation control terminal 3 controls the electric telescopic rod 102 to start working, the output end of the electric telescopic rod 102 extends to push the lifting plate 5 to move upward, the distance between the bottom of the fixed bottom plate 603 and the top surface of the L-shaped base 1 is lifted, space is provided for the rotation adjustment of the small impeller, then the operation control terminal 3 opens the servo motor two 12 to work, the servo motor two 12 drives the gear 12 to rotate, and then the gear 12 is connected with the gear groove 612 in meshing connection, and the rotating disc 601 is driven to rotate and adjust;

[0041] Through the arrangement, the small impeller can be adjusted to rotate, the detection is more comprehensive, and the detection efficiency is improved.

[0042] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the protection scope of the technical scheme of the present application.

Claims

1. An impeller inspection tool, characterized in that, Include: L-shaped base (1), one end of the L-shaped base (1) is internally provided with a movable slot (101), the bottom of the inner cavity of the movable slot (101) is fixedly connected with two electric telescopic rods (102), the top of the two electric telescopic rods (102) is fixedly connected with a lifting plate (5), the surface of the lifting plate (5) is provided with an adjusting mechanism (6), the top of the lifting plate (5) is fixedly connected with a connecting plate (7), one side of the connecting plate (7) is fixedly connected with three fixed rods (8), the bottom of the three fixed rods (8) is fixedly connected with three laser scanning blocks (9), one side of the adjusting mechanism (6) is threadedly embedded with a long threaded rod (10), the top of the long threaded rod (10) is fixedly connected with a hand turning disc (11), one end of one side of the lifting plate (5) is fixedly installed with a servo motor two (12) through a fixed plate, the output end of the servo motor two (12) is fixedly connected with a gear (13).

2. A vane testing fixture according to claim 1, wherein: The bottom of the L-shaped base (1) is fixedly connected with anti-skid corner pads (2), one end of one side of the L-shaped base (1) is fixedly installed with a control terminal (3), the inside of the L-shaped base (1) is fixedly embedded with a storage battery (4), one side of the storage battery (4) is provided with a charging port (401).

3. A vane checking fixture according to claim 1, wherein: The adjusting mechanism (6) comprises a rotating disc (601), the rotating disc (601) is embedded and installed on the surface of the lifting plate (5) through a bearing, a cross-shaped sliding groove (602) is penetratingly formed in the center of the rotating disc (601), a fixed bottom plate (603) is fixedly embedded and installed on the bottom surface of the rotating disc (601), and the fixed bottom plate (603) is located directly below the cross-shaped sliding groove (602).

4. A vane checking fixture according to claim 3, wherein: One end of the bottom of the fixed bottom plate (603) is fixedly installed with a servo motor one (604), the output end of the servo motor one (604) penetrates through the surface of the fixed bottom plate (603) through a bearing and is connected with an impeller mounting shaft (605), a limiting ring (606) is fixedly sleeved on the surface of the impeller mounting shaft (605), and an insertion slot (607) is formed in the top of the limiting ring (606).

5. A vane checking fixture according to claim 4, wherein: A cross-shaped limiting plate (608) is movably embedded and installed in the inside of the cross-shaped sliding groove (602), a threaded hole (609) is penetratingly formed in one end of the cross-shaped limiting plate (608), the other end of the cross-shaped limiting plate (608) is fixedly connected with a clamping plate (610), a sleeve (611) is movably embedded and installed on the other end of the bottom of the clamping plate (610) through a bearing, an insertion rod (612) is fixedly connected with the top of the inner cavity of the sleeve (611), the bottom of the sleeve (611) is movably sleeved on the top of the impeller mounting shaft (605), and the bottom end of the insertion rod (612) is movably embedded in the top of the inner cavity of the insertion slot (607).

6. A vane checking fixture according to claim 3, wherein: The other side of the rotating disc (601) surface is provided with a plurality of tooth grooves (613), the bottom of the long threaded rod (10) is installed at one end of the top of the fixed bottom plate (603) through bearing embedding, the surface of the long threaded rod (10) is movably embedded in the inside of the threaded hole (609), and the gear (13) is connected with the tooth groove (613).

7. A vane checking fixture according to claim 1, wherein: The two laser scanning blocks (9) on both sides are fixedly installed at the center of the bottom of the two fixed rods (8) on both sides, and the laser scanning block (9) in the middle is fixedly installed at one end of the bottom of the fixed rod (8) in the middle.

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