CN211576459U

CN211576459U - Efficient rotor dynamic balance test equipment

Info

Publication number: CN211576459U
Application number: CN202020606123.0U
Authority: CN
Inventors: 王子章; 赵井仑
Original assignee: Nantong Dade Electric Co ltd
Current assignee: Nantong Dade Electric Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-09-25
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses an efficient rotor dynamic balance test equipment relates to rotor test equipment technical field. The technical scheme is that the device comprises an operation table and two balance racks positioned on the operation table, wherein a driving piece is arranged on the operation table, a pentagonal side plate is arranged at the top of a piston rod of the driving piece, and five clamping devices are arranged at the bottom of the pentagonal side plate; a support frame is arranged below the operating table, two crawler chains are symmetrically arranged on the support frame, a plurality of bearing frames are arranged on the outer surfaces of the crawler chains at intervals, and V-shaped grooves are formed in side plates of the bearing frames; the operation panel below is provided with lifts the piece, lifts the piston rod top of piece and is provided with and lifts the piece, and the roof upper surface of operation panel runs through along its thickness direction and is provided with the groove of stepping down, has reached and has effectively reduced the influence of human factor to equipment, has ensured the effect of equipment to the detection efficiency of rotor.

Description

Efficient rotor dynamic balance test equipment

Technical Field

The utility model relates to a rotor test equipment technical field, more specifically say, it relates to an efficient rotor dynamic balance test equipment.

Background

At present, the rotor in the motor needs to be subjected to dynamic balance test by a rotor balancing machine after production, and the dynamic balance test mainly comprises measurement and correction of unbalance of the rotor.

The prior chinese patent publication No. CN208443527U provides a dynamic balance testing device for a motor rotor, which includes a base, and a supporting mechanism, a driving mechanism, a testing mechanism and a counterweight mechanism located on the base. The manufacturing mechanism is composed of two adjustable supports, a concave part is formed on the two supports through a rotating wheel to clamp a rotating shaft of the rotor, and the rotating wheel can rotate synchronously with a motor of the driving mechanism. The testing mechanism comprises a counterweight column, a counterweight ring, a counterweight gasket and a counterweight balance structure, the counterweight balance structure and the counterweight ring can be connected with the rotating shaft of the rotor in a matching way, and the counterweight column can be abutted against the rotating shaft of the rotor. The test system comprises a vibration sensor, a processor and a display, when a motor of the driving mechanism is started and drives the rotating wheel to rotate, the vibration sensor can record amplitude data of the rotor and display the amplitude data through the display, so that an operator can judge the dynamic balance state of the rotor.

However, most of common rotor balancers take and place the rotor by manpower, and the rotor balancers are short in time of detecting dynamic balance energy consumption of the rotor, and therefore the rotors in different detection states need to be taken and placed frequently by operators, and further equipment is easily affected by human factors, so that the detection efficiency of the rotors is difficult to guarantee, and therefore the improvement is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an efficient rotor dynamic balance check out test set, it has the influence of effectively reducing the human factor to equipment, has ensured the advantage of equipment to the detection efficiency of rotor.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a high-efficiency rotor dynamic balance test device comprises an operation table and two balance racks symmetrically arranged on the operation table, wherein a driving piece is arranged on the upper surface of the operation table and between the two balance racks, a pentagonal side plate is arranged at the top of a piston rod of the driving piece along the horizontal direction, and a clamping device used for clamping a rotor is arranged at the bottom of the pentagonal side plate and at one end of each side plate in the length direction; a support frame is arranged below the operating platform, two crawler chains are symmetrically arranged on the support frame, a plurality of bearing frames are arranged on the outer surface of each crawler chain at intervals, and a V-shaped groove convenient for a rotating shaft of a rotor to be placed is formed in a side plate of each bearing frame; the operation panel below just is located and is provided with between two track chains and lift the piece, the piston rod top of lifting the piece is provided with the piece of lifting that is used for lifting the rotor, the roof upper surface of operation panel runs through along its thickness direction and is provided with the groove of stepping down that the piece of being convenient for lift passed.

By adopting the technical scheme, an operator puts the rotor to be detected on the two symmetrical bearing frames, and starts the lifting piece to lift the piston rod of the lifting piece upwards. The arc-shaped groove at the top of the lifting block can lift the rotor and lift the rotor to the clamping device, and the clamping device can clamp the rotor. Then, the piston rod of the driving member rises upward to a certain height and rotates, so that the clamping device clamping the rotor rotates to a balance rack. The piston rod of the driving part descends to a certain height, and meanwhile, the clamping device loosens the rotor and enables the rotor to be placed on the balance rack, and the balance rack starts to conduct dynamic balance test on the rotor. When one balance rack is tested, the driving part circulates the process, so that the other balance rack tests the rotor again. After the second balance rack is tested, the clamping device clamps, ascends and rotates the rotor and then descends to the supporting and lifting block, the clamping device loosens the rotor, and the rotor is propped into the arc-shaped groove of the supporting and lifting block. The piston rod of the lifting piece is contracted, and the rotor is erected on the two bearing frames again. An operator starts a motor of the crawler chain, the crawler chain rotates circularly, and a basket can be placed below the other end of the crawler chain by the operator to receive the tested rotor. The influence of manual intervention is greatly reduced, and the testing efficiency of the equipment on the rotor is further effectively guaranteed.

Furthermore, a limiting plate is vertically arranged on a bottom plate of each bearing frame.

By adopting the technical scheme, the limiting plate is used for reducing the phenomenon that the rotor is displaced along the axial direction of the rotor, effectively limits the position of the rotor, and enables all the positions of the rotor to be in uniform and tidy positions, so that the efficiency and accuracy of the lifting piece for lifting the rotor through the lifting block are greatly improved.

Furthermore, the top of the piston rod of the lifting piece is longitudinally provided with a threaded rod, and the bottom of the lifting block is provided with a mounting groove matched with the threaded rod.

Through adopting above-mentioned technical scheme, but threaded rod threaded connection is in the mounting groove, and it makes the lifting block be fixed in the piston rod top of lifting the piece comparatively steadily.

Further, the outer edge of the threaded rod is vertically provided with a stabilizing plate, and the top wall of the stabilizing plate is abutted to the bottom wall of the lifting block.

Through adopting above-mentioned technical scheme, the roof of steadying plate offsets with the diapire of lifting the piece, and it has effectively supported the piece of lifting, and then has ensured the positional stability of lifting the piece at the piston rod top of lifting the piece.

Furthermore, the clamping device comprises two pushing parts and two extension plates, wherein the outer surfaces of the extension plates are fixedly connected with piston rods of the pushing parts,

By adopting the technical scheme, the pushing piece works to enable the piston rod of the pushing piece to extend outwards, and the two extension plates simultaneously approach and clamp the rotor; the pusher member is again actuated to retract its piston rod, the two extension plates are displaced away from each other and the rotor is released.

Further, two the surface that the extension board faced each other is provided with the butt piece respectively, be provided with the locking piece jointly between butt piece and the extension board.

By adopting the technical scheme, the locking piece penetrates through the abutting block and is in threaded connection with the preset threaded groove of the extension plate, so that the abutting block is stably fixed on the outer side wall of the extension plate; when the two abutting blocks simultaneously clamp the rotor, the effective contact area between the two abutting blocks and the rotor is larger, and the stability of the clamping device for clamping the rotor is further improved.

Furthermore, the surfaces of the two abutting blocks facing each other are respectively provided with a step groove for accommodating the end head of the locking piece.

Through adopting above-mentioned technical scheme, the end of lock piece can be accomodate in the step groove, and then the end evagination of reducible lock piece influences the phenomenon of butt piece to the centre gripping stability of rotor.

Furthermore, the surfaces of the two abutting blocks facing each other are respectively provided with a non-slip mat.

By adopting the technical scheme, the non-slip mat is used for improving the static friction coefficient of the rotor clamped by the abutting blocks, and further improving the stability of the clamping device for clamping the rotor.

To sum up, the utility model discloses following beneficial effect has:

1. the device comprises a driving piece, a caterpillar chain, a bearing frame and a lifting piece, wherein the bearing frame is provided with a pentagonal side plate and a clamping device, the bearing frame is provided with a V-shaped groove, the lifting piece is provided with a lifting block, a rotor on the bearing frame is lifted by a certain height through the lifting piece, so that the clamping device clamps the rotor, the driving piece sends the rotor into a balance rack through lifting rotation for testing, the rotor before and after testing is fed and discharged through conveying of the caterpillar chain, the influence of human factors on equipment is greatly reduced in the process, and the efficiency of testing the rotor by the equipment is effectively guaranteed.

2. The abutting block with the locking piece is arranged to improve the clamping stability of the clamping device to the rotor; the anti-slip pad is arranged to further improve the stability of the clamping device after clamping the rotor; a limiting plate and a stabilizing plate are arranged to guarantee the efficiency and stability of the lifting piece for lifting the rotor.

Drawings

FIG. 1 is a schematic structural diagram of an efficient rotor dynamic balance testing device in an embodiment;

FIG. 2 is a partial schematic view of an embodiment of the present invention showing the positional relationship between the pentagonal panels and the clamping device;

FIG. 3 is an exploded view of an embodiment of the present invention for illustrating the positional relationship between the abutting block and the extension plate;

FIG. 4 is an exploded view of the embodiment showing the connection relationship between the lift block and the piston rod of the lift member;

fig. 5 is a partial schematic view for showing a positional relationship between the carriage and the track chain in the embodiment.

In the figure: 1. an operation table; 101. a balancing stand; 102. a yielding groove; 2. a drive member; 201. a pentagonal side plate; 3. a clamping device; 301. a pusher member; 302. an extension plate; 4. a butting block; 401. a step groove; 402. a locking member; 403. a non-slip mat; 5. a support frame; 501. a track chain; 502. a receiving frame; 503. a V-shaped groove; 504. a limiting plate; 6. a lifting member; 601. a lifting block; 602. mounting grooves; 603. a threaded rod; 604. and a stabilizing plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

an efficient rotor dynamic balance test device, referring to fig. 1, comprises an operation platform 1 and two balance racks 101 symmetrically arranged on the operation platform 1 through bolts. The balance frames 101 are used for testing the dynamic balance state of the rotor, and the driving part 2 is arranged on the upper surface of the operating platform 1 and between the two balance frames 101.

Referring to fig. 1, the driving member 2 is a lifting rotary machine, the bottom of which is fixedly connected to the top plate of the operating table 1 by bolts, and the top of the piston rod of which is fixed with a horizontal pentagonal side plate 201 by bolts. The pentagonal side plate 201 is a steel plate, five rectangular side plates are integrally formed on the outer side wall of the pentagonal side plate, and the five rectangular side plates are arranged at intervals.

Referring to fig. 1 and 2, a clamping device 3 is provided at the bottom of a pentagonal panel 201 at one end of each panel in the length direction thereof, and five clamping devices 3 and a driving member 2 are connected in series through electric wires to operate synchronously. Each clamping device 3 comprises two pushing members 301 and two extending plates 302, the pushing members 301 are cylinders and are fixed at the bottom of the pentagonal side plate 201 through bolts, and piston rods of the two pushing members 301 are arranged towards each other.

Referring to fig. 1 and 2, an extension plate 302 is welded to the outer edge of the piston rod of a pushing member 301, an operator can place the rotor between the two extension plates 302, and then simultaneously start the two pushing members 301, and the two extension plates 302 can approach each other and clamp the rotor by being pushed by the piston rod of the pushing member 301. The piston rod of the drive element 2 is then lifted up to a certain height and rotated, which rotates the clamping device 3 with the rotor clamped thereto to a balancing stand 101. The piston rod of the driving element 2 descends to a certain height, meanwhile, the piston rod of the pushing element 301 contracts, and the rotor is loosened from between the two extending plates 302 and placed on the balancing frame 101 to receive a dynamic balance test. When the balancing stand 101 has been tested, the drive member 2 is cycled through this process to test the rotor with another balancing stand 101.

Referring to fig. 2 and 3, the surfaces of the two extending plates 302 facing each other are respectively provided with a butt block 4, and the butt block 4 is a rectangular block made of hard glue, which can improve the clamping efficiency of the clamping device 3 on the rotor and reduce the phenomenon that the rotor falls from between the two extending plates 302 when the rotor is clamped.

Referring to fig. 2 and 3, the surfaces of the two abutting blocks 4 facing each other are respectively provided with a plurality of step grooves 401, and a locking member 402 is arranged in each step groove 401. The locking member 402 is preferably a bolt that extends through the abutment block 4 and is threaded into a predetermined threaded hole (not shown) in the sidewall of the extension plate 302, so as to fix the abutment block 4 to the outer surface of the extension plate 302 more stably.

Referring to fig. 2 and 3, the mutually facing surfaces of the two abutting blocks 4 are respectively adhered with a non-slip pad 403, and the non-slip pad 403 is preferably a rubber pad with flexible texture and large static friction coefficient of the outer surface, and is clamped between the rotor and the abutting blocks 4, so as to further improve the clamping stability of the clamping device 3 on the rotor.

Referring to fig. 1 and 5, a support frame 5 is disposed below the operating table 1, two track chains 501 are symmetrically disposed on the support frame 5 through screws, the track chains 501 are annular and endless, and are operated by a servo motor, and a distance between the two track chains 501 is less than a length of the rotor. A plurality of receiving frames 502 are arranged on the outer surface of each track chain 501 at intervals through screws, and all the receiving frames 502 on the two track chains 501 are symmetrical in pairs.

Referring to fig. 5, the side plates of the receiving frame 502 are perpendicular to the track chain 501, and V-shaped grooves 503 are formed in the outer surface of the receiving frame along the thickness direction of the track chain, one V-shaped groove 503 can be used for placing one end of the rotating shaft of the rotor, and the two side plates of the two symmetrical receiving frames 502 on the two track chains 501 are used for placing one rotor together through the V-shaped groove 503.

Referring to fig. 5, a limiting plate 504 is vertically welded on the bottom plate of each receiving frame 502, the limiting plates 504 on the two track chains 501 are symmetrical in pairs, and the distance between the two limiting plates 504 is slightly greater than the length of the rotor. When the rotating shaft of the rotor is placed in the V-shaped groove 503, the limiting plate 504 can limit the movement of the rotor along the axial direction thereof, thereby improving the consistency of all rotor positions.

Referring to fig. 1, 2 and 4, a lifting piece 6 is arranged below the operating table 1 and between the two track chains 501, the lifting piece 6 is an air cylinder, a lifting block 601 is arranged at the top of a piston rod of the air cylinder, and the lifting block 601 is a steel block with an arc-shaped groove at the top. The upper surface of the top plate of the operating table 1 is provided with a yielding groove 102 along the thickness direction, and the inner diameter of the yielding groove 102 is larger than the outer circumference of the lifting block 601. When the lifting piece 6 is worked and the piston rod of the lifting piece extends upwards to a certain height, the arc-shaped groove at the top of the lifting block 601 abuts against the rotor, so that the rotor is lifted upwards to the clamping device 3, and the rotor is clamped and then sent to the balance rack 101 for testing.

Referring to fig. 4, a threaded rod 603 is welded on the top of the piston rod of the lifting member 6 along the longitudinal direction, an installation groove 602 matched with the threaded rod 603 is formed in the bottom of the lifting block 601, and the lifting block 601 can be fixed on the top of the piston rod of the lifting member 6 through threaded connection of the threaded rod 603 in the installation groove 602. A horizontal stabilizing plate 604 is welded on the outer edge of the threaded rod 603, and the top wall of the stabilizing plate 604 abuts against the bottom wall of the lifting block 601 so as to support the lifting block 601 and effectively improve the position stability of the lifting block 601.

The working principle is as follows:

the operator puts the rotor to be detected on the two symmetrical bearing frames and starts the lifting piece 6 to lift the piston rod of the lifting piece upwards. The arc-shaped groove at the top of the lifting block 601 can lift the rotor and lift the rotor to the clamping device 3, and simultaneously, the two pushing pieces 301 are started, and the two extending plates 302 can be close to each other and clamp the rotor by being pushed by the piston rods of the pushing pieces 301. The piston rod of the drive element 2 is then lifted up to a certain height and rotated, which rotates the clamping device 3 with the rotor clamped thereto to a balancing stand 101. The piston rod of the driving element 2 descends to a certain height, meanwhile, the piston rod of the pushing element 301 contracts, and the rotor is loosened from between the two extending plates 302 and placed on the balancing frame 101 to receive a dynamic balance test. When one balancing stand 101 has been tested, the drive 2 is cycled through this process so that the other balancing stand 101 again tests the rotor.

After the second balancing stand 101 has been tested, the pusher 301 is activated again and causes the extension plate 302 with the abutment block 4 to grip the rotor. Then, the piston rod of the driving member 2 is lifted and rotated upward, and the detected rotor is returned to above the lifting block 601. The piston rod of the pusher 301 contracts, the clamping device 3 releases the rotor and pushes it into the arc-shaped groove of the lifting block 601, the lifting piece 6 bears the detected rotor and slowly contracts the piston rod thereof, and the rotor is erected on the two bearing frames again. An operator starts a motor of the crawler chain 501, the crawler chain 501 rotates circularly, and a basket can be placed below the other end of the crawler chain 501 by the operator to receive a tested rotor.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides an efficient rotor dynamic balance test equipment, includes operation panel (1) and two balanced frameworks (101) of symmetry setting on operation panel (1), its characterized in that: a driving part (2) is arranged on the upper surface of the operating platform (1) and between the two balance racks (101), a pentagonal side plate (201) is arranged at the top of a piston rod of the driving part (2) along the horizontal direction, and a clamping device (3) for clamping a rotor is arranged at the bottom of the pentagonal side plate (201) and at one end of each side plate in the length direction; a support frame (5) is arranged below the operating table (1), two crawler chains (501) are symmetrically arranged on the support frame (5), a plurality of bearing frames (502) are arranged on the outer surface of each crawler chain (501) at intervals, and a V-shaped groove (503) convenient for a rotating shaft of a rotor to be placed is arranged on a side plate of each bearing frame (502); operation panel (1) below just is located and is provided with between two track chains (501) and lifts piece (6), the piston rod top of lifting piece (6) is provided with the piece (601) of lifting that is used for lifting the rotor, the roof upper surface of operation panel (1) runs through along its thickness direction and is provided with the groove of stepping down (102) that the piece (601) of lifting of being convenient for passed.

2. A high efficiency rotor dynamic balance testing apparatus as recited in claim 1, wherein: a limiting plate (504) is vertically arranged on the bottom plate of each bearing frame (502).

3. A high efficiency rotor dynamic balance testing apparatus as recited in claim 1, wherein: the top of the piston rod of the lifting piece (6) is provided with a threaded rod (603) along the longitudinal direction, and the bottom of the lifting block (601) is provided with a mounting groove (602) matched with the threaded rod (603).

4. A high efficiency rotor dynamic balance testing apparatus as claimed in claim 3, wherein: the outer edge of the threaded rod (603) is vertically provided with a stabilizing plate (604), and the top wall of the stabilizing plate (604) is abutted against the bottom wall of the lifting block (601).

5. A high efficiency rotor dynamic balance testing apparatus as recited in claim 1, wherein: the clamping device (3) comprises two pushing pieces (301) and two extending plates (302), and the outer surfaces of the extending plates (302) are fixedly connected with piston rods of the pushing pieces (301).

6. An efficient rotor dynamic balance testing device as recited in claim 5, wherein: the surfaces of the two extending plates (302) facing each other are respectively provided with a butt joint block (4), and a locking piece (402) is arranged between the butt joint block (4) and the extending plates (302) together.

7. A high efficiency rotor dynamic balance testing apparatus as claimed in claim 6, wherein: the surfaces of the two abutting blocks (4) facing each other are respectively provided with a step groove (401) for accommodating the end head of the locking piece (402).

8. A high efficiency rotor dynamic balance testing apparatus as claimed in claim 7, wherein: the surfaces of the two abutting blocks (4) facing each other are respectively provided with an anti-skid pad (403).