CN220313150U - Auxiliary limiting structure for dynamic balance test of gears - Google Patents

Abstract

The utility model relates to the technical field of dynamic balance testing of gears, in particular to an auxiliary limiting structure for dynamic balance testing of gears, which comprises a test bench, wherein a motor is fixedly arranged on the test bench, a motor shaft is arranged on the motor, a mounting table is fixedly arranged on the motor shaft, two ends of the mounting table are symmetrically and fixedly provided with fixed end blocks, a first jack is formed in the fixed end blocks, the mounting table is arranged on the motor, when the dynamic balance testing of the gears is carried out, the gears are placed on the mounting table, the center line of the gears can be overlapped with the center line of the mounting table through the combined action of a limiting push block and a limiting conical tooth, the center line of the gears is further overlapped with the center line of the motor shaft, meanwhile, the gears can be fixed under the action of the limiting conical tooth and a limiting screw rod, the dynamic balance testing of the starting motor can be carried out conveniently, the dynamic balance testing of gears with different sizes can be adapted, and the practicability is strong.

Description

Auxiliary limiting structure for dynamic balance test of gears

Technical Field

The utility model relates to the technical field of gear dynamic balance testing, in particular to an auxiliary limiting structure for gear dynamic balance testing.

Background

When the existing gear is subjected to dynamic balance test, the clearance mandrel tool is usually used for carrying out auxiliary limiting on the gear to drive the gear to rotate for dynamic balance test, and the clearance mandrel tool is used for designing and manufacturing clearance mandrels with different diameters according to different inner hole sizes of different gears, so that time is wasted, the test cost is increased, and in addition, the precision of the dynamic balance test of the gear is reduced due to the clearance between the mandrel and the inner hole of the gear, so that the test error is larger.

Disclosure of Invention

The utility model aims to provide an auxiliary limiting structure for gear dynamic balance test, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an auxiliary limit structure for gear dynamic balance test, includes the testboard, fixed mounting has the motor on the testboard, install the motor shaft on the motor, fixed mounting has the mount table on the motor shaft, the fixed end block that is provided with in both ends symmetry of mount table, first jack has been seted up on the fixed end block, and the fixed support frame that is provided with in the upper end of fixed end block, the through-hole has been seted up at the both ends symmetry of support frame, and has seted up first screw hole on the upper end intermediate position of support frame, the fixed side piece that is provided with in both sides symmetry of mount table, the second jack has been seted up on the fixed side piece, first mounting hole has been seted up on the terminal surface of one end of mount table, the spacing hole has been seted up to the symmetry on the mount table of first mounting hole both sides, install gear auxiliary limit mechanism on the mount table.

Preferably, the auxiliary gear limiting mechanism comprises two limiting push blocks, two movable plates, two limiting plates and two reset springs, wherein the two limiting push blocks are symmetrically arranged at two ends of the mounting table, a first inserting rod is fixedly arranged on each limiting push block, and a connecting hinge rod is hinged to each first inserting rod.

Preferably, the upper end of the connecting hinge rod is hinged with a movable plate, movable inserting blocks are symmetrically arranged at two ends of the movable plate and are inserted into the movable through holes, a second mounting hole is formed in the middle position of the movable plate, a first bearing is mounted in the second mounting hole, a first screw rod is matched with the first bearing, and the first screw rod is in threaded connection with the first screw hole.

Preferably, a second threaded hole is formed in the middle position of the moving plate, a second screw rod is connected to the second threaded hole in a threaded mode, a second bearing is installed at one end of the second screw rod, and the second bearing is installed in the first installation hole.

Preferably, the movable plates on two sides of the second screw are symmetrically and fixedly provided with limiting guide rods, the limiting guide rods are inserted into the limiting holes, two sides of the movable plates are symmetrically and fixedly provided with pushing inclined blocks, and the pushing inclined blocks are positioned on two sides of the mounting table.

Preferably, the limiting plates are two, symmetrically installed on two sides of the installation table, the upper ends of the limiting plates are provided with third threaded holes, limiting screws are connected to the third threaded holes in a threaded mode, limiting conical teeth are fixedly arranged on the lower sides of the limiting plates, second inserting rods are fixedly arranged on the limiting plates, the second inserting rods are inserted into second inserting holes, reset springs are sleeved on the second inserting rods, and cylindrical surface end blocks are fixedly arranged at one ends of the second inserting rods, which are far away from the limiting plates.

Compared with the prior art, the utility model has the beneficial effects that:

through the practicality of this technical scheme, install the mount table on the motor, when carrying out the dynamic balance test of gear, place the gear on the mount table, through spacing ejector pad and spacing conical tooth's combined action can be with the central line coincidence of its central line with the mount table, and then with the central line coincidence of motor shaft, realize the fixed of gear under spacing conical tooth and spacing screw's effect simultaneously, the starter motor can carry out dynamic balance test, and very convenient, and can adapt to the gear of equidimension not and test, the practicality is strong, the testing cost is low.

Drawings

Fig. 1 is a schematic view of a first perspective of a test bench assembly.

Fig. 2 is a schematic view of a second perspective of the test bench assembly.

Fig. 3 is an exploded view of the test bench assembly.

In the figure: 1. a test bench; 2. a motor; 21. a mounting table; 22. fixing the end block; 23. a first jack; 24. a support frame; 25. a moving through hole; 26. a first threaded hole; 27. fixing the side blocks; 28. a second jack; 29. a first mounting hole; 30. a limiting hole; 3. limiting push blocks; 31. a first plunger; 32. connecting a hinge rod; 4. a movable plate; 41. moving the plug block; 42. a second mounting hole; 43. a first bearing; 44. a first screw; 5. a moving plate; 51. a second threaded hole; 52. a second screw; 53. a second bearing; 54. a limit guide rod; 55. pushing the inclined block; 6. a limiting plate; 61. a third threaded hole; 62. a limit screw; 63. limit conical teeth; 64. a second plunger; 65. a cylindrical surface end block; 7. and a return spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the present utility model provides a technical solution:

the utility model provides an auxiliary limit structure for gear dynamic balance test, including testboard 1, fixedly mounted has motor 2 on the testboard 1, install the motor shaft on the motor 2, motor 2 is the motor under the prior art, fixedly mounted has mount table 21 on the motor shaft, the central line of mount table 21 and the central line coincidence of motor shaft, the both ends symmetry of mount table 21 is fixed and is provided with fixed end piece 22, first jack 23 has been seted up on the fixed end piece 22, and the fixed support frame 24 that is provided with of the upper end of fixed end piece 22, the through-hole 25 has been seted up at the both ends symmetry of support frame 24, and first screw hole 26 has been seted up on the upper end intermediate position of support frame 24, the both sides symmetry of mount table 21 is fixed and is provided with fixed side piece 27, second jack 28 has been seted up on the fixed side piece 27, first mounting hole 29 has been seted up on the terminal surface of one end of mount table 21 both sides, the auxiliary limit mechanism of gear is installed on the mount table 21.

The gear auxiliary limiting mechanism comprises two limiting push blocks 3, two movable plates 4, two movable plates 5, two limiting plates 6 and two reset springs 7, wherein the limiting push blocks 3 are symmetrically arranged at two ends of the mounting table 21, a first inserting rod 31 is fixedly arranged on the limiting push blocks 3, a connecting hinge rod 32 is hinged on the first inserting rod 31, and in addition, the surface of the limiting push blocks 3 is smooth and burr-free.

The upper end of the connecting hinge rod 32 is hinged with the movable plate 4, the movable plate 4 is positioned on the inner side of the supporting frame 24, the distance from the upper end of the connecting hinge rod 32 to the mounting table 21 is larger than the distance from the lower end of the connecting hinge rod to the mounting table 21, movable inserting blocks 41 are symmetrically arranged at two ends of the movable plate 4, the movable inserting blocks 41 are inserted into the movable through holes 25, the width of the movable inserting blocks 41 is equal to that of the movable through holes 25, a second mounting hole 42 is formed in the middle position of the movable plate 4, a first bearing 43 is mounted in the second mounting hole 42, a first screw rod 44 is matched with the first bearing 43, and the first screw rod 44 is in threaded connection with the first screw hole 26.

A second threaded hole 51 is formed in the middle of the moving plate 5, a second screw 52 is connected to the second threaded hole 51 in a threaded manner, a second bearing 53 is mounted at one end of the second screw 52, and the second bearing 53 is mounted in the first mounting hole 29.

Limiting guide rods 54 are symmetrically and fixedly arranged on the moving plates 5 on two sides of the second screw rod 52, the limiting guide rods 54 are inserted into the limiting holes 30, the diameter of the limiting guide rods 54 is equal to that of the limiting holes 30, pushing inclined blocks 55 are symmetrically and fixedly arranged on two sides of the moving plates 5, and the pushing inclined blocks 55 are located on two sides of the mounting table 21.

The limiting plate 6 is two, symmetrically installs in the both sides of mount table 21, and the upper end of limiting plate 6 has been seted up third screw hole 61, threaded connection has spacing screw 62 in the third screw hole 61, the downside of limiting plate 6 is fixed to be provided with spacing toper tooth 63, and fixed being provided with second inserted bar 64 on the limiting plate 6, second inserted bar 64 peg graft in second jack 28, and cup jointed reset spring 7 on the second inserted bar 64, and its one end that keeps away from limiting plate 6 is fixed to be provided with face of cylinder end block 65, the both ends of reset spring 7 weld respectively on fixed side block 27 and face of cylinder end block 65.

When the dynamic balance test of the gear is carried out, the gear is placed on the mounting table 21, then the first screw rod 44 is rotated to drive the movable plate 4 to move downwards under the action of the screw thread, so that the two limit push blocks 3 are pushed to move oppositely under the action of the connecting hinge rod 32, the gear can be pushed to the central position of the mounting table 21, and as the distance of the movement of the two limit push blocks 3 is equal, the center line of the gear cannot be misplaced with the center line of the mounting table 21 in the direction of the connecting line of the two fixed end blocks 22, meanwhile, along with the movement of the limit push blocks 3, the gear is limited by contact with the gear, then the movable plate 5 is driven to move towards the direction close to the mounting table 21 by the action of the screw thread by rotating the second screw rod 52, so that the two cylindrical surface end blocks 65 are pushed to move oppositely under the action of the pushing inclined block 55, the gear can be pushed to the central position of the mounting table 21 from the connecting direction of the two fixed side blocks 27, meanwhile, the limit conical teeth 63 are clamped between teeth on the gear, the gear is fixed, the limit conical teeth 63 can adapt to tooth gaps of different sizes, then the limit screw 62 is rotated to press the gear to compress the gear, so that the gear can be firmly limited and fixed on the mounting table, the central line of the gear coincides with the central line of the mounting table 21 under the action of the limit conical teeth 63 and the limit push block 3, then the motor 2 can be started to drive the mounting table 21 and the gear to rotate for dynamic balance test, the limit screw 62 can compress gears with different thicknesses, the limit conical teeth 63 and the limit push block 3 can assist in limiting and fixing gears with different sizes, the operation is simple and convenient, the practicability is strong, the test cost is low, in addition, the gear is firmly connected with the mounting table 21, the center line of the gear is coincident with the center line of the mounting table 21, and the testing precision is high.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An auxiliary limiting structure for gear dynamic balance test comprises a test table (1), wherein a motor (2) is fixedly installed on the test table (1), a motor shaft is installed on the motor (2), and an installation table (21) is fixedly installed on the motor shaft, and is characterized in that: fixed end block (22) are fixedly arranged at two ends of mount table (21), first jack (23) are arranged on fixed end block (22), support frame (24) are fixedly arranged at the upper end of fixed end block (22), moving through holes (25) are symmetrically arranged at two ends of support frame (24), first threaded holes (26) are arranged at the middle positions of the upper ends of support frame (24), fixed side blocks (27) are fixedly arranged at two sides of mount table (21), second jack (28) are arranged on fixed side blocks (27), first mounting holes (29) are formed in one end face of mount table (21), limiting holes (30) are symmetrically formed in mount table (21) at two sides of first mounting holes (29), and auxiliary limiting mechanisms for gears are arranged on mount table (21).

2. The auxiliary limiting structure for dynamic balance testing of gears according to claim 1, wherein: the gear auxiliary limiting mechanism comprises two limiting push blocks (3), two movable plates (4), two movable plates (5), two limiting plates (6) and two reset springs (7), wherein the two limiting push blocks (3) are symmetrically arranged at two ends of the mounting table (21), a first inserting rod (31) is fixedly arranged on the limiting push blocks (3), and a connecting hinge rod (32) is hinged on the first inserting rod (31).

3. The auxiliary limiting structure for dynamic balance testing of gears according to claim 2, wherein: the upper end of the connecting hinge rod (32) is hinged with a movable plate (4), two ends of the movable plate (4) are symmetrically provided with movable inserting blocks (41), the movable inserting blocks (41) are inserted into the movable through holes (25), second mounting holes (42) are formed in the middle positions of the movable plate (4), first bearings (43) are mounted in the second mounting holes (42), first bearings (43) are matched with first threaded rods (44), and the first threaded rods (44) are in threaded connection with the first threaded holes (26).

4. An auxiliary limiting structure for dynamic balance testing of gears according to claim 3, wherein: a second threaded hole (51) is formed in the middle position of the moving plate (5), a second screw rod (52) is connected in the second threaded hole (51) in a threaded mode, a second bearing (53) is arranged at one end of the second screw rod (52), and the second bearing (53) is arranged in the first mounting hole (29).

5. The auxiliary limiting structure for dynamic balance testing of gears according to claim 4, wherein: limiting guide rods (54) are symmetrically and fixedly arranged on the moving plates (5) on two sides of the second screw rod (52), the limiting guide rods (54) are inserted into the limiting holes (30), pushing inclined blocks (55) are symmetrically and fixedly arranged on two sides of the moving plates (5), and the pushing inclined blocks (55) are located on two sides of the mounting table (21).

6. The auxiliary limiting structure for dynamic balance testing of gears according to claim 5, wherein: limiting plate (6) are two, and the symmetry is installed in the both sides of mount table (21), and third screw hole (61) have been seted up to the upper end of limiting plate (6), threaded connection has spacing screw rod (62) in third screw hole (61), and the downside of limiting plate (6) is fixed to be provided with spacing toper tooth (63), and fixedly on limiting plate (6) is provided with second inserted bar (64), second inserted bar (64) are pegged graft in second jack (28), and cup jointed reset spring (7) on second inserted bar (64), and its one end that keeps away from limiting plate (6) is fixed to be provided with face of cylinder end piece (65).