CN218470127U

CN218470127U - Vibration test piece lifting device

Info

Publication number: CN218470127U
Application number: CN202222141884.5U
Authority: CN
Inventors: 徐波; 肖毅; 段新荣
Original assignee: Dekai Yite Kunshan Detection Co ltd
Current assignee: Dekai Yite Kunshan Detection Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-02-10
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses a vibration test piece elevating gear, the on-line screen storage device comprises a base, the upper end fixed mounting of base has the safety cover, the intermediate position department activity interlude of safety cover upper end has the support column, the upper end of support column is located the outside of safety cover, and this end is provided with the vibration board, the lower extreme fixed mounting of support column has the backup pad, the lower extreme fixed mounting of backup pad has the second supporting spring, the equal movable mounting in both sides of the inside lower extreme of safety cover has lifting screw, lifting screw's surface activity cover is equipped with the regulation swivel nut, one side movable mounting who adjusts the swivel nut has movable ejector pin, the upper end of activity ejector pin and the lower extreme swing joint of backup pad, the utility model discloses a vibration test piece elevating gear has solved current elevating gear and has adopted the mode of screw thread to go up and down more, at vibration test's in-process, causes very easily that the screw thread is not hard up and down, influences the problem of support effect.

Description

Vibration test piece lifting device

Technical Field

The utility model relates to a vibration test equipment technical field specifically is a vibration test piece elevating gear.

Background

The most commonly used vibration modes can be divided into sinusoidal vibration and random vibration. The sinusoidal vibration is a test method frequently adopted in a laboratory, mainly simulating vibration generated by rotation, pulsation and oscillation (in ships, airplanes and vehicles), and analyzing and verifying resonance frequency of a product structure and resident resonance points, and is divided into frequency sweep vibration and fixed frequency vibration, wherein the severity degree depends on a frequency range, an amplitude value and test duration;

the lifting device is an important component of a test piece in the vibration test process, and although the existing lifting device can meet certain use requirements in the use process, certain defects still exist in the use process.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a vibration test piece elevating gear has solved the mode that current elevating gear adopted the screw thread more and has gone up and down, at vibration test's in-process, causes very easily that to produce between the screw thread not hard up, influences the problem of supporting effect.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a vibration test piece elevating gear, includes the base, the upper end fixed mounting of base has the safety cover, the intermediate position department activity interlude of safety cover upper end has the support column, the upper end of support column is located the outside of safety cover, and this end is provided with the vibration board, the lower extreme fixed mounting of support column has the backup pad, the lower extreme fixed mounting of backup pad has second supporting spring, the equal movable mounting in both sides of the inside lower extreme of safety cover has the lifting screw, the surface activity cover of lifting screw is equipped with the regulation swivel nut, one side movable mounting who adjusts the swivel nut has movable ejector pin, the upper end of movable ejector pin and the lower extreme swing joint of backup pad.

Preferably, the one end fixed mounting of lifting screw has the interlock gear, the upper end movable mounting of safety cover inner wall has the interlock ring gear, the interlock ring gear meshes with the interlock gear mutually, the upper end of interlock ring gear is provided with spacing subassembly.

Preferably, the supporting rods are movably inserted into two sides of the upper end of the protective cover, the lower ends of the supporting rods are fixedly connected with the supporting plate, and first supporting springs are sleeved on the surfaces of the supporting rods.

Preferably, two the upper end of first supporting spring is connected with the upper end of safety cover inner wall, the lower extreme of first supporting spring and the upper end fixed connection of backup pad, the bracing piece is circular distribution about the support column.

Preferably, the upper end inside the protection cover is provided with an annular rail, an annular strip is movably mounted inside the annular rail, and the lower end of the annular strip is fixedly connected with the meshing gear ring.

Preferably, the limiting component comprises an arc toothed plate, an adjusting groove, a clamping rack, a push block, a pull rod and a clamping spring.

Preferably, an adjusting groove is formed in one side of the upper end of the protective cover, the adjusting groove is arc-shaped, and a pushing block is movably inserted into the adjusting groove.

Preferably, the lower end of the push block is fixedly connected with the upper end of the annular strip, a pull rod is movably inserted in the middle of the push block, and an arc toothed plate is fixedly mounted at one end of the pull rod.

Preferably, the surface of the pull rod is sleeved with a clamping spring connected with the arc toothed plate and the push block, a clamping rack is fixedly mounted on the outer side of the protective cover, and the clamping rack is clamped with the arc toothed plate.

The utility model provides a vibration test piece elevating gear. The method has the following beneficial effects:

this vibration test piece elevating gear, the user rotates the interlock ring gear, and the interlock ring gear is rotatory in the inside of protecting cover, and interlock ring gear pivoted in-process drives the interlock gear and rotates, and the interlock gear drives the lifting screw and rotates. The adjusting screw sleeve moves along the surface of the lifting screw under the action of the threads, so that the adjusting screw sleeve can drive the supporting plate to move upwards or downwards through the movable ejector rod. The backup pad upwards or the in-process that moves down drives the vibration board through support column and bracing piece and upwards or moves down, adjusts the height of vibration board, under first supporting spring and second supporting spring's effect, plays fine supporting effect, has slowed down the vibration of base and safety cover simultaneously.

This vibration test piece elevating gear, when the user rotated the interlock ring gear, the user pulled the pull rod, and the pull rod drives the arc pinion rack and removes, compresses the card solid spring for the arc pinion rack breaks away from mutually with the card solid rack. The pull rod can drive the ejector pad and remove along the adjustment tank to be convenient for drive the interlock ring gear and rotate, the person of being convenient for adjusts the height of vibration board, and when adjusting the back, the arc pinion rack resumes the normal position under the effect of the solid spring of card for the arc pinion rack with the solid rack looks joint of card. The position of the push block is limited, so that the meshing gear ring is limited, the lifting screw cannot rotate, and the supporting effect of the vibrating plate is enhanced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1;

FIG. 3 is a schematic view of the half-section structure of the present invention;

fig. 4 is an enlarged structural diagram of a region B in fig. 3.

In the figure: 1. a base; 2. a protective cover; 3. a vibrating plate; 4. an adjustment groove; 5. clamping and fixing the rack; 6. an annular strip; 7. pushing a block; 8. an arc toothed plate; 9. a pull rod; 10. clamping and fixing the spring; 11. a support pillar; 12. a support bar; 13. a support plate; 14. a first support spring; 15. a second support spring; 16. a lifting screw; 17. adjusting a threaded sleeve; 18. a movable ejector rod; 19. an engaging gear; 20. meshing the gear ring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the first embodiment is as follows: the utility model provides a vibration test piece elevating gear, includes base 1, and base 1's upper end fixed mounting has safety cover 2, and the intermediate position department activity interlude of 2 upper ends of safety cover has support column 11. The upper end of the support column 11 is located outside the protective cover 2, and the end is provided with the vibration plate 3, the lower end of the support column 11 is fixedly provided with a support plate 13, and the lower end of the support plate 13 is fixedly provided with a second support spring 15. The two sides of the lower end inside the protection cover 2 are movably provided with lifting screws 16, the surface of each lifting screw 16 is movably sleeved with an adjusting threaded sleeve 17, and one side of each adjusting threaded sleeve 17 is movably provided with a movable ejector rod 18. The upper end of the movable ejector rod 18 is movably connected with the lower end of the support plate 13, one end of the lifting screw rod 16 is fixedly provided with an occlusion gear 19, and the upper end of the inner wall of the protective cover 2 is movably provided with an occlusion gear ring 20. The meshing gear ring 20 is meshed with the meshing gear 19, the two sides of the upper end of the protective cover 2 are movably inserted with the supporting rods 12, the lower ends of the supporting rods 12 are fixedly connected with the supporting plate 13, and the surfaces of the supporting rods 12 are sleeved with the first supporting springs 14. The upper ends of the two first supporting springs 14 are connected with the upper end of the inner wall of the protective cover 2. The lower end of the first supporting spring 14 is fixedly connected with the upper end of the supporting plate 13, the supporting rods 12 are circularly distributed relative to the supporting column 11, an annular rail is arranged at the upper end inside the protective cover 2, an annular strip 6 is movably arranged inside the annular rail, and the lower end of the annular strip 6 is fixedly connected with the meshing gear ring 20.

When a user rotates the meshing ring gear 20, the meshing ring gear 20 rotates inside the protective cover 2, and in the process of rotating the meshing ring gear 20, the meshing gear 19 is driven to rotate, and the meshing gear 19 drives the lifting screw 16 to rotate. The adjusting screw 17 moves along the surface of the lifting screw 16 under the action of the screw thread, so that the adjusting screw 17 can drive the supporting plate 13 to move upwards or downwards through the movable ejector rod 18, and in the process that the supporting plate 13 moves upwards or downwards, the supporting column 11 and the supporting rod 12 drive the vibrating plate 3 to move upwards or downwards to adjust the height of the vibrating plate 3. Under the action of the first supporting spring 14 and the second supporting spring 15, a good supporting effect is achieved, and meanwhile, the vibration of the base 1 and the protective cover 2 is reduced.

Example two: the difference between the present embodiment and the first embodiment is that a limiting component is disposed at the upper end of the meshing gear ring 20, and the limiting component includes an arc toothed plate 8, an adjusting groove 4, a clamping rack 5, a pushing block 7, a pull rod 9, and a clamping spring 10. Adjustment tank 4 has been seted up to one side of safety cover 2 upper end, adjustment tank 4 is the arc form, the inside activity interlude of adjustment tank 4 has ejector pad 7, the lower extreme of ejector pad 7 and the upper end fixed connection of annular strip 6, the intermediate position department activity interlude of ejector pad 7 has pull rod 9, the one end fixed mounting of pull rod 9 has arc pinion rack 8, the surface cover of pull rod 9 is equipped with the solid spring 10 of the card that is connected with arc pinion rack 8 and ejector pad 7, the outside fixed mounting of safety cover 2 has solid rack 5 of card. Card solid rack 5 and arc pinion rack 8 joint mutually, when the user rotates interlock ring gear 20, user pulling pull rod 9, pull rod 9 drives arc pinion rack 8 and removes, compress card solid spring 10, make arc pinion rack 8 break away from with card solid rack 5 mutually, pull rod 9 can drive ejector pad 7 and remove along adjustment tank 4, thereby be convenient for drive interlock ring gear 20 and rotate, convenient to use person adjusts the height of vibration board 3. After adjustment, the arc-shaped toothed plate 8 is restored to the original position under the action of the clamping and fixing spring 10, so that the arc-shaped toothed plate 8 is clamped with the clamping and fixing rack 5, the position of the push block 7 is limited, the meshing gear ring 20 is limited, the lifting screw 16 cannot rotate, and the supporting effect of the vibrating plate 3 is enhanced.

During operation, a user rotates the meshing gear ring 20, the meshing gear ring 20 rotates inside the protective cover 2, the meshing gear ring 20 drives the meshing gear 19 to rotate in the rotating process, and the meshing gear 19 drives the lifting screw 16 to rotate. The adjusting screw 17 moves along the surface of the lifting screw 16 under the action of the screw thread, so that the adjusting screw 17 can drive the supporting plate 13 to move upwards or downwards through the movable ejector rod 18, and the supporting plate 13 drives the vibrating plate 3 to move upwards or downwards through the supporting column 11 and the supporting rod 12 in the process of moving upwards or downwards. The height of the vibrating plate 3 is adjusted to achieve a good supporting effect under the action of the first supporting springs 14 and the second supporting springs 15, and simultaneously, the vibration of the base 1 and the protective cover 2 is slowed down. When the user rotates interlock ring gear 20, user pulling pull rod 9, pull rod 9 drives arc pinion rack 8 and removes, compresses card solid spring 10 for arc pinion rack 8 breaks away from with card solid rack 5 mutually, and pull rod 9 can drive ejector pad 7 and remove along adjustment tank 4, thereby is convenient for drive interlock ring gear 20 and rotates. The convenient to use person adjusts the height of vibration board 3, and when adjusting the back, the arc pinion rack 8 recovers the normal position under the effect of card solid spring 10 for arc pinion rack 8 and the 5 looks joints of card solid rack, carry on spacingly to the position of ejector pad 7, make interlock ring gear 20 carry on spacingly, make lifting screw 16 unable rotation, thereby strengthened the supporting effect of vibration board 3.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims

1. The utility model provides a vibration test piece elevating gear, includes base (1), its characterized in that: the utility model discloses a solar energy protection device, including base (1), safety cover (2), vibration board (3), backup pad (13), the lower extreme fixed mounting of backup pad (11) has second supporting spring (15), the equal movable mounting in both sides of the inside lower extreme of safety cover (2) has lifting screw (16), the surface activity cover of lifting screw (16) is equipped with adjusts swivel nut (17), one side movable mounting who adjusts swivel nut (17) has movable ejector pin (18), the upper end of movable ejector pin (18) and the lower extreme swing joint of backup pad (13), safety cover (2) upper end activity interlude has support column (11), the upper end of support column (11) is located the outside of safety cover (2), and the upper end of this support column (11) is provided with vibration board (3), the lower extreme fixed mounting of support column (11) has backup pad (13), the lower extreme fixed mounting of backup pad (13) has second supporting spring (15), the equal movable mounting in both sides of backup pad (2) has lifting screw (16).

2. A vibratory test piece lifting device as defined in claim 1 wherein: one end fixed mounting of lifting screw (16) has interlock gear (19), the upper end movable mounting of safety cover (2) inner wall has interlock ring gear (20), interlock ring gear (20) and interlock gear (19) mesh mutually, the upper end of interlock ring gear (20) is provided with spacing subassembly.

3. A vibratory test piece lifting device as defined in claim 1 wherein: the support rod (12) is movably inserted into two sides of the upper end of the protective cover (2), the lower end of the support rod (12) is fixedly connected with the support plate (13), and a first support spring (14) is sleeved on the surface of the support rod (12).

4. A vibrating specimen lifting device as defined in claim 3, wherein: two the upper end of first supporting spring (14) is connected with the upper end of safety cover (2) inner wall, the lower extreme of first supporting spring (14) and the upper end fixed connection of backup pad (13), bracing piece (12) are circular distribution about support column (11).

5. A vibratory test piece lifting device as defined in claim 1 wherein: the inside upper end of safety cover (2) is provided with the annular rail, annular rail's inside movable mounting has annular strip (6), the lower extreme and interlock ring gear (20) fixed connection of annular strip (6).

6. A vibration test piece lifting device according to claim 2, characterized in that: the limiting assembly comprises an arc toothed plate (8), an adjusting groove (4), a clamping and fixing rack (5), a push block (7), a pull rod (9) and a clamping and fixing spring (10).

7. A vibration test piece lifting device according to claim 6, characterized in that: adjustment tank (4) have been seted up to one side of safety cover (2) upper end, adjustment tank (4) are the arc form, the inside activity interlude of adjustment tank (4) has ejector pad (7).

8. A vibratory test piece lifting device as defined in claim 7 wherein: the lower end of the push block (7) is fixedly connected with the upper end of the annular strip (6), a pull rod (9) is movably inserted in the middle of the push block (7), and an arc-shaped toothed plate (8) is fixedly mounted at one end of the pull rod (9).

9. A vibratory test piece hoist apparatus as claimed in claim 8, wherein: the surface of the pull rod (9) is sleeved with a clamping spring (10) connected with the arc-shaped toothed plate (8) and the push block (7), a clamping rack (5) is fixedly mounted on the outer side of the protective cover (2), and the clamping rack (5) is clamped with the arc-shaped toothed plate (8).