CN213301566U

CN213301566U - Novel hard support dynamic balancing machine for fan

Info

Publication number: CN213301566U
Application number: CN202022695652.5U
Authority: CN
Inventors: 胡元林; 梅东友
Original assignee: Wuhan Shunfeng Cooling And Heating Equipment Co ltd
Current assignee: Wuhan Shunfeng Cooling And Heating Equipment Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-05-28
Anticipated expiration: 2030-11-19

Abstract

The utility model relates to a novel hard supporting dynamic balancing machine for fan relates to environmental protection equipment detection device's field, its include control box, universal joint, slide rail and slide set up in two bearing plates of slide rail, the connecting hole of vertical setting is seted up to the bearing plate, it is provided with the threaded rod to slide in the connecting hole, the threaded rod stretches out the one end fixedly connected with connecting plate of connecting hole, the connecting plate rotates and is connected with two rigid wheels, the bearing plate up end rotates and is connected with the thread bush, the thread bush with threaded rod threaded connection, be provided with in the connecting hole and be used for the restriction threaded rod pivoted locating part. This application rotates the thread bush of connecting on the bearing plate through the setting and drives the screw rod, has the effect of adjusting the rigidity wheel in the ascending position of vertical direction.

Description

Novel hard support dynamic balancing machine for fan

Technical Field

The application relates to the field of environment-friendly equipment detection devices, in particular to a novel hard support dynamic balancing machine for a fan.

Background

The hard support dynamic balancing machine is mainly applied to the balance calibration of rotating body workpieces in the industries of motors, centrifugal fans, crushers, other fans, paper making and the like. A dynamic unbalance or a failure generally refers to abnormal vibration caused when the mass of a rotor part of a rotary machine is eccentric with respect to the axis of a rotary shaft. The verification of the blades of the fan is beneficial to timely finding out the defects of errors, deformation of partial positions and the like generated in the manufacturing and mounting processes of the blades.

The hard support balancing machine generally comprises a control box, a driving motor is arranged in the control box and connected with a universal coupling, a workpiece to be measured is placed on two support plates, two rigid wheels used for supporting a rotating shaft of the workpiece to be measured are arranged on the support plates, and the universal coupling and the rotating shaft of the workpiece to be measured are fixed and then the motor rotates to drive the workpiece to be measured to rotate, so that the unbalance of the rotating workpiece is measured.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the fans of different sizes are different in size, the rotating shafts are different in size, the position of the rigid wheel in the vertical direction is not convenient to adjust, and the fans of different sizes are difficult to test.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the position of the rigid wheel in the vertical direction is difficult to adjust, the application provides a novel hard support dynamic balancing machine for a fan.

The application provides a novel hard support dynamic balancing machine for fan adopts following technical scheme:

the utility model provides a novel hard supporting dynamic balancing machine for fan, including control box, universal joint, slide rail and slide set up in two bearing plates of slide rail, its characterized in that: the bearing plate is provided with a vertically arranged connecting hole, a threaded rod is arranged in the connecting hole in a sliding mode, one end, extending out of the connecting hole, of the threaded rod is fixedly connected with a connecting plate, the connecting plate is connected with two rigid wheels in a rotating mode, the upper end face of the bearing plate is connected with a threaded sleeve in a rotating mode, the threaded sleeve is in threaded connection with the threaded rod, and a limiting part used for limiting the threaded rod to rotate is arranged in the connecting hole.

Through adopting above-mentioned technical scheme, place the both ends of the work piece pivot that awaits measuring respectively between two rigidity wheels on two bearing plates, rotate the thread bush and carry out screw drive to the screw rod, the threaded rod is linear motion in vertical direction under the limiting displacement of locating part, and then adjusts connecting plate and two rigidity wheels position in vertical direction, and then adjusts the position of pivot to universal joint department according to the size of the work piece pivot that awaits measuring for can be applicable to not unidimensional fan and test.

Optionally, a limit groove along the axial direction is formed in the peripheral wall of the threaded rod, the limiting part is arranged to be a fixture block fixedly connected to the inner wall of the connecting hole, and the fixture block is inserted into the limit groove.

Through adopting above-mentioned technical scheme, the thread bush carries out screw drive to the screw rod when the thread bush rotates, fixture block joint and spacing inslot, and the threaded rod can not rotate but is linear motion along the axis under the limiting displacement of fixture block, and then has realized the regulation to connecting plate and rigid wheel position.

Optionally, an annular groove is formed in the upper end face of the support plate, a connection ring matched with the annular groove is fixedly connected to one end, close to the support plate, of the threaded sleeve, and the cross sections of the connection ring and the inner wall of the annular groove are both T-shaped.

Through adopting above-mentioned technical scheme, go-between joint adaptation in the spread groove, the cross sectional shape of go-between and ring channel inner wall makes the thread bush can not drop from the bearing plate when rotating in the bearing plate, and it drives the rotation of thread bush to make things convenient for more.

Optionally, the support plate is fixedly connected with a mounting rack, and the mounting rack is slidably provided with a vertically arranged limiting plate.

Through adopting above-mentioned technical scheme, the mounting bracket is fixed in on the bearing plate, according to the size and the position of work piece, adjusts the position of limiting plate for the limiting plate carries out spacingly in vertical direction when testing the work piece, prevents that the work piece from jumping up or coming off from the test position under the emergency.

Optionally, the mounting bracket is provided with a through hole for the limiting plate to penetrate through, and the mounting bracket is provided with a locking assembly for fixing the limiting plate.

Through adopting above-mentioned technical scheme, the limiting plate passes in the through-hole on the mounting bracket, and the limiting plate slides from top to bottom to suitable position and carries on spacingly to the work piece, and the locking subassembly is fixed the position of limiting plate.

Optionally, the locking assembly includes a first bolt passing through the mounting frame and the limiting plate in sequence, and a first nut screwed to the first bolt.

Through adopting above-mentioned technical scheme, on first bolt passed the mounting bracket and was fixed in the mounting bracket, first bolt also passed the limiting plate for on the limiting plate can be fixed in first bolt, the nut was screwed up and is further fixed between first bolt and the mounting bracket on the one end that first bolt stretches out the limiting plate.

Optionally, both sides of the support plate are fixedly connected with a vertically arranged fixing plate, and a fixing assembly for further fixing the connecting plate is arranged between the fixing plate and the connecting plate.

Through adopting above-mentioned technical scheme, adjust the back to the position of connecting plate, fixed subassembly is further fixed in the fixed plate with the connecting plate on for the connection between fixed plate and the connecting plate is more firm, has guaranteed the stability in the test procedure.

Optionally, the fixed plate is provided with a vertically-arranged fixed groove, and the fixing assembly comprises a second nut which sequentially penetrates through the fixed groove, the second bolt of the connecting plate and the second bolt and is in threaded connection with the second bolt.

By adopting the technical scheme, the second bolt sequentially penetrates through the fixing groove and the connecting plate by adjusting the position of the connecting plate in the vertical direction, and the second nut is connected with one end, extending out of the connecting plate, of the second bolt in a threaded manner so that the connecting plate is fixed on the fixing plate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the threaded rod is driven by the threaded sleeve which is rotationally connected to the bearing plate, and the threaded rod linearly moves along the axis under the limiting action of the fixture block, so that the positions of the connecting plate and the two rigid wheels are adjusted, and the balancing machine is suitable for testing environment-friendly fan blades with different sizes;

2. install the limiting plate in the pivot top through the setting for the limiting plate can be spacing to the work piece that awaits measuring when testing, and the work piece is off normal under preventing the abnormal conditions.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 1.

Reference numerals: 1. a control box; 2. a universal coupling; 3. a slide rail; 4. a support plate; 5. connecting holes; 6. a threaded rod; 7. a connecting plate; 8. a rigid wheel; 9. an annular groove; 10. a threaded sleeve; 11. a connecting ring; 12. a limiting groove; 13. a clamping block; 14. a fixing plate; 15. fixing grooves; 16. a second bolt; 17. a second nut; 18. a mounting frame; 19. a U-shaped plate; 20. tightly abutting against the bolt; 21. a through hole; 22. a limiting plate; 23. a first bolt; 24. a first nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a novel hard support dynamic balancing machine for a fan. Referring to fig. 1, novel hard supporting dynamic balancing machine for fan include control box 1, universal joint 2, slide rail 3 and slide set up in two bearing plate 4 of slide rail 3, bearing plate 4 sets up the connecting hole 5 of vertical setting, the internal slip of connecting hole 5 is provided with threaded rod 6, threaded rod 6 stretches out one end fixedly connected with connecting plate 7 of connecting hole 5, connecting plate 7 rotates and is connected with two rigidity wheels 8, the position between two bearing plate 4 of adjustment places fan blade's that awaits measuring pivot between two rigidity wheels 8 again, make by the position of adjusting threaded rod 6 and be surveyed fan blade pivot motion to universal joint 2's position, drive by universal joint 2 to being surveyed fan blade, and then obtain test data on control box 1.

Referring to fig. 2, an annular groove 9 is formed in the upper end face of the support plate 4, the annular groove 9 is located on the periphery of the connection hole 5, a threaded sleeve 10 is rotatably connected in the annular groove 9, the threaded sleeve 10 is in threaded fit with the threaded rod 6, a connection ring 11 is fixedly connected to one end of the threaded sleeve 10, the connection ring 11 is clamped in the annular groove 9, the connection ring 11 and the inner wall of the annular groove 9 are both in a T-shape, and therefore the threaded sleeve 10 is fixed on the support plate 4.

In order to facilitate the threaded sleeve 10 to drive the movement of the threaded rod 6, the peripheral wall of the threaded rod 6 is provided with a limiting groove 12 along the axial direction, a limiting part for limiting the rotation of the threaded rod 6 is arranged in the connecting hole 5, the limiting part is set to be a clamping block 13 fixedly connected to the inner wall of the connecting hole 5, the clamping block 13 is inserted into the limiting groove 12, when the threaded sleeve 10 rotates, the threaded sleeve 10 drives the threaded rod 6 to rotate, the clamping block 13 is clamped in the limiting groove 12, the threaded rod 6 cannot rotate under the limiting effect of the clamping block 13 and moves linearly along the axis, and the adjustment of the positions of the connecting plate 7 and the rigid wheel 8 is realized.

Referring to fig. 3, in order to further fix the connecting plate 7, fixing plates 14 vertically arranged are fixedly connected to two sides of the supporting plate 4, fixing grooves 15 vertically arranged are formed in the fixing plates 14, a fixing assembly used for further fixing the connecting plate 7 is arranged between the fixing plates 14 and the connecting plate 7, the fixing assembly comprises second bolts 16 sequentially passing through the fixing grooves 15, the connecting plate 7 and second nuts 17 connected to the second bolts 16 in a threaded manner, the second bolts 16 sequentially pass through the fixing grooves 15 and the connecting plate 7 by adjusting the position of the connecting plate 7 in the vertical direction, and the second nuts 17 are connected to one ends, extending out of the connecting plate 7, of the second bolts 16 in a threaded manner to enable the connecting plate 7 to be firmly fixed on the fixing plates 14, so that the connecting plate 7 can keep the position of the rigid wheel 8 stable in.

Fixedly connected with is the mounting bracket 18 that the font is fallen V on the fixed plate 14 of both sides, and mounting bracket 18 one end is rotated and is connected in the fixed plate 14 of one side, and the fixed plate 14 top of opposite side is rotated and is connected with U-shaped board 19, and U-shaped board 19 is provided with and supports tight bolt 20, supports tight bolt 20 and screws tightly in U-shaped board 19 and supports tightly to be fixed in on fixed plate 14 with the other end of mounting bracket 18. A through hole 21 is formed in the center of the mounting frame 18, a limiting plate 22 penetrates through the through hole 21, and one end of the limiting plate 22 points to the two rigid wheels 8. The mounting frame 18 is provided with a locking assembly for fixing the limiting plate 22, the locking assembly comprises a first bolt 23 and a first nut 24, the first bolt 23 sequentially penetrates through the mounting frame 18 and the limiting plate 22, the first nut 24 is in threaded connection with the first bolt 23, the limiting plate 22 slides up and down to a proper position to limit a workpiece, the first bolt 23 penetrates through the mounting frame 18 and is fixed on the mounting frame 18, the first bolt 23 also penetrates through the limiting plate 22, the limiting plate 22 can be fixed on the first bolt 23, and the nut is screwed on one end, extending out of the limiting plate 22, of the first bolt 23 to further fix the first bolt 23 and the mounting frame 18.

The implementation principle of the novel hard support dynamic balancing machine for the fan in the embodiment of the application is as follows: place the pivot both ends of fan blade that awaits measuring respectively between two rigid wheel 8 on two bearing plates 4, rotate thread bush 10 and carry out screw drive to threaded rod 6, threaded rod 6 is linear motion in vertical direction under fixture block 13's limiting displacement, and then adjust connecting plate 7 and two rigid wheel 8 positions in vertical direction, and then adjust the position of pivot to universal joint 2 according to the size of blade pivot, make and be applicable to not unidimensional fan and test.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a novel hard support dynamic balancing machine for fan, including control box (1), universal joint (2), slide rail (3) and slide set up in two bearing plate (4) of slide rail (3), its characterized in that: the supporting plate (4) is provided with a vertically arranged connecting hole (5), a threaded rod (6) is arranged in the connecting hole (5) in a sliding mode, one end, extending out of the connecting hole (5), of the threaded rod (6) is fixedly connected with a connecting plate (7), the connecting plate (7) is connected with two rigid wheels (8) in a rotating mode, a threaded sleeve (10) is connected to the upper end face of the supporting plate (4) in a rotating mode, the threaded sleeve (10) is in threaded connection with the threaded rod (6), and a limiting part used for limiting the rotation of the threaded rod (6) is arranged in the connecting hole (5).

2. The novel hard support dynamic balancing machine for the fan according to claim 1, is characterized in that: the outer peripheral wall of the threaded rod (6) is provided with a limiting groove (12) along the axial direction, the limiting piece is arranged to be a clamping block (13) fixedly connected to the inner wall of the connecting hole (5), and the clamping block (13) is inserted into the limiting groove (12).

3. The novel hard support dynamic balancing machine for the fan according to claim 2, is characterized in that: an annular groove (9) is formed in the upper end face of the supporting plate (4), a connecting ring (11) matched with the annular groove (9) is fixedly connected to one end, close to the supporting plate (4), of the threaded sleeve (10), and the cross sections of the inner walls of the connecting ring (11) and the annular groove (9) are T-shaped.

4. The novel hard support dynamic balancing machine for the fan according to claim 3, characterized in that: the bearing plate (4) is fixedly connected with an installation rack (18), and a limiting plate (22) which is vertically arranged is slidably arranged on the installation rack (18).

5. The novel hard support dynamic balancing machine for the fan of claim 4, characterized in that: the mounting frame (18) is provided with a through hole (21) for the limiting plate (22) to penetrate through, and the mounting frame (18) is provided with a locking assembly for fixing the limiting plate (22).

6. The novel hard support dynamic balancing machine for the fan of claim 5, characterized in that: the locking assembly comprises a first bolt (23) and a first nut (24), wherein the first bolt (23) penetrates through the mounting frame (18) and the limiting plate (22) in sequence, and the first nut is connected to the first bolt (23) in a threaded mode.

7. The novel hard support dynamic balancing machine for the fan of claim 6, characterized in that: the two sides of the supporting plate (4) are fixedly connected with fixing plates (14) which are vertically arranged, and fixing assemblies for further fixing the connecting plates (7) are arranged between the fixing plates (14) and the connecting plates (7).

8. The novel hard support dynamic balancing machine for the fan of claim 7, characterized in that: the fixing plate (14) is provided with a fixing groove (15) which is vertically arranged, and the fixing assembly comprises a second bolt (16) which sequentially penetrates through the fixing groove (15) and the connecting plate (7) and a second nut (17) which is in threaded connection with the second bolt (16).