CN218865433U

CN218865433U - Dual-output vibration exciter and dual-output vibration table

Info

Publication number: CN218865433U
Application number: CN202223316770.6U
Authority: CN
Inventors: 陶小刚; 朱江峰; 钟琼华
Original assignee: Suzhou Sushi Testing Group Co Ltd
Current assignee: Suzhou Sushi Testing Group Co Ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-14
Anticipated expiration: 2032-12-09

Abstract

The utility model provides a dual output vibration exciter, including dual output hydro-cylinder body, certainly dual output hydro-cylinder body is towards protruding two piston rods that stretch of two directions, is used for controlling two the piston rod respectively or common reciprocating motion's servo valve, be used for stabilizing the energy storage ware of output pressure, be used for detecting the determine module of piston rod displacement, determine module is including fixing on the dual output hydro-cylinder body and follow being of piston rod extending direction and extending be shaft-likeThe magnetic sensor is fixed with the piston rod and sleeved with the magnetic ring on the magnetic sensor, and when the piston rod moves relative to the double-output oil cylinder body, the magnetic ring moves relative to the magnetic sensor. The utility model discloses a dual output shaking table and dual output vibration exciter both can satisfy the installation demand of long test piece product, can satisfy the demand of installing a plurality of little test pieces simultaneously again, improve the efficiency of software testing of test piece in batches and save the installation space demand of long test piece _。

Description

Dual-output vibration exciter and dual-output vibration table

Technical Field

The utility model relates to a dual output vibration exciter and dual output shaking table.

Background

At present, similar to packaging transportation, automobile road simulation, building dams, earthquakes, electromechanical equipment and the like, related product parts in the industry all need to be subjected to a low-frequency large-displacement vibration test to check the reliability of products, the traditional single-output hydraulic table can basically meet the test requirements, and when the number of test products is large, the table top of a single hydraulic vibration table is small in mounting surface, the number of test pieces mounted in one test is small, and the test efficiency is low; and aiming at small products, the equivalent weight is certain, a large table top needs a hydraulic vibration table with larger thrust due to self load, the upper limit frequency of the large table top is low, and when the requirement on the test frequency is higher, the large table top is high in transverse direction and high in distortion degree, and the test requirement cannot be met. When aiming at a long test piece, a single table top needs a very long mounting surface; the longer the single mesa, the lower the reliability.

In view of the above, there is a need for an improved vibration table to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dual output vibration exciter to solve the problem that current shaking table is difficult to detect little test piece and long test piece simultaneously.

For the purpose of realizing the above-mentioned, the utility model provides a dual output vibration exciter, dual output vibration exciter includes dual output cylinder body, certainly two piston rods that the dual output cylinder body is protruding to be stretched towards two directions, be used for controlling two the piston rod respectively or common reciprocating motion's servo valve, be used for stabilizing the energy storage ware of output pressure, be used for detecting the determine module of piston rod displacement, determine module is including fixing on the dual output cylinder body and along being shaft-like magnetic sensor, with the piston rod is fixed and overlap and be in that piston rod extending direction extends the last magnetic ring of magnetic sensor, the piston rod is relative during the motion of dual output cylinder body, the magnetic ring is relative the magnetic sensor motion.

As a further improvement of the utility model, two the piston rods face opposite directions.

As a further improvement of the utility model, each the piston rod corresponds and is equipped with a detection subassembly.

As a further improvement of the utility model, the dual output vibration exciter is still including fixing valve plate on the dual output hydro-cylinder body, the servo valve with the energy storage ware is fixed on the valve plate.

As a further improvement of the utility model, the dual output vibration exciter is still including fixing two the piston rod is kept away from the switching dish of the tip of dual output hydro-cylinder body, be equipped with the magnetic ring mount pad on the switching dish, the magnetic ring is fixed on the magnetic ring mount pad.

As a further improvement, the double-output vibration exciter further comprises a base, and the double-output oil cylinder body is fixed on the base.

The utility model also provides a dual output shaking table, dual output shaking table includes the base, fixes on the base as above-mentioned dual output vibration exciter, fix two slip table subassemblies on the base, be used for connecting the piston rod of dual output vibration exciter with the connector of slip table subassembly, dual output vibration exciter drives the slip table subassembly produces reciprocal excitation motion.

As a further improvement of the present invention, the connector has one end that is circular and is fixedly connected to the piston rod, and the other end that is square and is fixedly connected to the sliding table assembly.

As a further improvement of the utility model, the dual output shaking table still includes certainly two slip table mounting platform and a vibration exciter mounting platform that the base surface is the protruding extension of upwards, the dual output vibration exciter is fixed on the vibration exciter mounting platform, the slip table subassembly is fixed slip table mounting platform.

As a further improvement of the utility model, the slip table subassembly include with the fixed plate of slip table mounting platform, place a plurality of hydrostatic bearing on the fixed plate, encircle a plurality of hydrostatic bearing keep off the oil frame, place the table surface on a plurality of hydrostatic bearing, keep off the oil frame with the connector supports and holds.

The utility model has the advantages that: the utility model discloses a dual output shaking table and dual output vibration exciter both can satisfy the installation demand of long test piece product, can satisfy the demand of installing a plurality of little test pieces simultaneously again, improves the efficiency of software testing of batch test piece and saves the installation space demand of long test piece.

Drawings

Fig. 1 is a schematic structural view of the dual-output vibration table of the present invention;

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

fig. 3 is a schematic structural diagram of a base of the dual-output vibration table of the present invention;

fig. 4 is a schematic structural view of the sliding table assembly of the dual-output vibration table of the present invention;

fig. 5 is a schematic structural view of the connector of the dual output vibration table of the present invention;

fig. 6 is a schematic structural diagram of the dual-output vibration exciter of the present invention.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 6, the dual-output vibration table 100 of the present invention includes a base 1, a sliding table mounting platform 2 protruding upwards from the surface of the base 1, a vibration exciter mounting platform 3 protruding upwards from the surface of the base 1, a dual-output vibration exciter 4 fixed on the base 1, two sliding table assemblies 5 fixed on the base 1, and a connector 6 for connecting the dual-output vibration exciter 4 and the sliding table assemblies 5.

As shown in fig. 3, the dual-output exciter 4 is fixed on the exciter mounting platform 3, and the sliding table assembly 5 is fixed on the sliding table mounting platform 2. Because the installation precision of the sliding table assembly 5 and the dual-output vibration exciter 4 is high, the vibration exciter installation platform 3 and the sliding table installation platform 2 need to be subjected to finish machining. Two slip table subassembly 5 can be a plurality of less test pieces simultaneously experimental, also can make up and test long test piece together, and the use scene is more. Two slip table subassembly 5 is littleer relatively, and the upper limit frequency is higher, and the reliability improves. In addition, the sizes of the two sliding table assemblies 5 can be customized according to needs, and can be the same or different.

The dual-output vibration exciter 4 drives the sliding table assembly 5 to generate reciprocating vibration exciting motion.

As shown in fig. 4, the slide table assembly 5 includes a fixing plate 51 fixed to the slide table mounting platform 2, a plurality of hydrostatic bearings 52 disposed on the fixing plate 51, an oil blocking frame 53 surrounding the plurality of hydrostatic bearings 52, and a table top 54 disposed on the plurality of hydrostatic bearings 52, wherein the oil blocking frame 53 abuts against the connector 6. The hydrostatic bearing 52 can be supplied with oil by an external high-pressure oil source to enable the sliding block to move, and the working table 54 is connected to the sliding block of the hydrostatic bearing 52 and can have a reciprocating degree of freedom.

As shown in fig. 2 and fig. 6, the dual-output vibration exciter 4 includes a base 41, a dual-output cylinder body 42, a valve plate 43 fixed on the dual-output cylinder body 42, two piston rods 44 protruding from the dual-output cylinder body 42 in two directions, a servo valve 45 for controlling the two piston rods 44 to respectively or jointly reciprocate, an energy accumulator 46 for stabilizing output pressure, a detection assembly 47 for detecting displacement of the piston rods 44, and an adapter 48 fixed at ends of the two piston rods 44 away from the dual-output cylinder body 42.

The double-output oil cylinder body 42 is fixed on the base 41, and the base 41 is fixed on the vibration exciter mounting platform 3.

The servo valve 45 and the accumulator 46 are fixed to the valve plate 43. The energy accumulator 46 stabilizes the pressure fluctuation of the dual-output vibration exciter 4, and the servo valve 45 is used for switching the oil path of the dual-output vibration exciter 4 to enable the piston rod 44 to reciprocate.

The two piston rods 44 are oppositely oriented, so that the working stability can be improved, and meanwhile, the two piston rods 44 can move independently, and the frequency and the moving direction can be the same or different.

As shown in fig. 1 and 5, the piston rod 44 is cylindrical, one end of the connector 6 is circular and is fixedly connected with the piston rod 44, and the other end is square and is fixedly connected with the sliding table assembly 5. The connector 6 is made of high-strength materials through casting, and the sliding table assembly 5 and the double-output vibration exciter 4 are guaranteed to be connected firmly and reliably. When only one of the slip assemblies 5 is required to operate, the connector 6 connected to the other slip assembly 5 is removed.

Each piston rod 44 is correspondingly provided with a detection component 47. The detection assembly 47 includes a rod-shaped magnetic sensor 471 fixed on the dual-output oil cylinder body 42 and extending along the extending direction of the piston rod 44, and a magnetic ring 472 fixed with the piston rod 44 and sleeved on the magnetic sensor 471, wherein when the piston rod 44 moves relative to the dual-output oil cylinder body 42, the magnetic ring 472 moves relative to the magnetic sensor 471, so as to play a role in displacement monitoring and feedback.

The adapter disk 48 is provided with a magnetic ring mounting seat 481, and the magnetic ring 472 is fixed on the magnetic ring mounting seat 481. The dual-output oil cylinder body 42 is provided with a sensor mounting frame 421, and the magneto sensor 471 is fixed on the sensor mounting frame 421.

The utility model discloses a dual output shaking table 100 and dual output vibration exciter 4 both can satisfy the installation demand of long test piece product, can satisfy the demand to a plurality of little test piece installations simultaneously again, improve the efficiency of software testing of batch test piece and save the installation space demand of elongated test piece.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A dual-output vibration exciter is characterized in that: the double-output vibration exciter comprises a double-output oil cylinder body, a self piston rod extending towards two directions and used for controlling the two piston rods to respectively or jointly reciprocate, an energy accumulator used for stabilizing output pressure and a detection assembly used for detecting displacement of the piston rods, wherein the detection assembly comprises a fixed rod-shaped magnetic sensor, a magnetic ring and a magnetic ring, the magnetic sensor extends on the double-output oil cylinder body along the extending direction of the piston rods, the piston rod is fixed and sleeved on the magnetic sensor, the magnetic ring is relative when the double-output oil cylinder body moves, and the magnetic ring is relative to the magnetic sensor.

2. The dual output vibration exciter of claim 1, wherein: the two piston rods face oppositely.

3. The dual-output vibration exciter of claim 1, wherein: each piston rod is correspondingly provided with a detection assembly.

4. The dual-output vibration exciter of claim 1, wherein: the double-output vibration exciter further comprises a valve plate fixed on the double-output oil cylinder body, and the servo valve and the energy accumulator are fixed on the valve plate.

5. The dual-output vibration exciter of claim 1, wherein: the double-output vibration exciter further comprises adapter discs fixed to the end portions, far away from the double-output oil cylinder body, of the two piston rods, wherein magnetic ring mounting seats are arranged on the adapter discs, and the magnetic rings are fixed to the magnetic ring mounting seats.

6. The dual output vibration exciter of claim 1, wherein: the double-output vibration exciter further comprises a base, and the double-output oil cylinder body is fixed to the base.

7. A dual output shaking table which characterized in that: the dual-output vibration table comprises a base, the dual-output vibration exciter as claimed in any one of claims 1 to 6 fixed on the base, two sliding table assemblies fixed on the base, a piston rod used for connecting the dual-output vibration exciter and a connector of the sliding table assemblies, wherein the dual-output vibration exciter drives the sliding table assemblies to generate reciprocating vibration excitation motion.

8. The dual output vibratory table of claim 7, wherein: one end of the connector is circular and is fixedly connected with the piston rod, and the other end of the connector is square and is fixedly connected with the sliding table assembly.

9. The dual output vibratory table of claim 7, wherein: the dual-output vibration table further comprises two sliding table mounting platforms and a vibration exciter mounting platform, wherein the base surface extends upwards in a protruding mode, the dual-output vibration exciter is fixed to the vibration exciter mounting platform, and the sliding table assembly is fixed to the sliding table mounting platform.

10. The dual output vibratory table of claim 9, wherein: the sliding table assembly comprises a fixing plate fixed with the sliding table mounting platform, a plurality of hydrostatic bearings arranged on the fixing plate, an oil blocking frame surrounding the plurality of hydrostatic bearings, and a working table surface arranged on the plurality of hydrostatic bearings, wherein the oil blocking frame is abutted to the connector.