CN210953300U

CN210953300U - Vibration table

Info

Publication number: CN210953300U
Application number: CN201921853994.6U
Authority: CN
Inventors: 黄鸣剑
Original assignee: Ningbo Zhong Shui Ke Chemical Technology Co ltd
Current assignee: Ningbo Zhong Shui Ke Chemical Technology Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-07-07
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a vibration table, which comprises a base, a vibration component and a vibration plate, wherein the vibration component is arranged between the base and the vibration plate, the base is provided with a pulley component, the pulley component can longitudinally extend and retract, and when the pulley component extends downwards, the base can be supported and the vibration table can move by means of the pulley component; the base is further provided with a supporting leg assembly, the supporting leg assembly can stretch out and draw back along the transverse direction, the supporting leg assembly can contact the ground along the longitudinal direction, and when the supporting leg assembly extends outwards, the occupied area of the vibrating table can be increased. Has the advantages of convenient transportation and stable operation.

Description

Vibration table

Technical Field

The utility model relates to a test instrument, concretely relates to shaking table.

Background

The vibration testing machine simulates various environments encountered by products in the manufacturing, assembling, transporting and using execution stages, is used for identifying the capability of the products of enduring the environmental vibration, and is suitable for research, development, quality control and manufacturing of various industries such as electronics, electromechanics, photoelectricity, automobiles, locomotives, toys and the like. The vibration table is also called a vibration exciter or a vibration generator. It is a device that uses electro-dynamic, electro-hydraulic, piezoelectric or other principles to obtain mechanical vibrations. The principle is to input an excitation signal to a coil placed in a magnetic field to drive a stage associated with the coil. The electrodynamic vibration table is mainly used for vibration measurement above 10Hz, and can excite the pressure of 200N at most. In the frequency range below 20Hz, electrohydraulic vibration tables are often used, where the nature of the vibratory signal is controlled by an electric servo system. The hydraulic drive system can give large displacements and impact forces. The vibration table can be used for calibrating the accelerometer, and can also be used for measuring the vibration performance of the electroacoustic device and performing vibration test on the towering of the electroacoustic device. For different test objects and technical indexes, the vibration table with different structures and excitation ranges is selected.

However, since the vibration table vibrates strongly, the rollers are not generally installed in order to ensure the stability of the vibration table. However, the absence of rollers makes the handling of the oscillating table a major problem. In addition, when the mass of the sample placed on the vibration table is large, the vibration may be slightly displaced due to the violent vibration, which affects the stability of the sample.

Therefore, how to improve the existing vibrating table to overcome the above problems is a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pair of convenient transport, and move stable shaking table.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a vibrating table, includes base, vibration subassembly and vibration board, the vibration subassembly set up in the base with between the vibration board, its characterized in that:

the base is provided with a pulley assembly, the pulley assembly can stretch and retract along the longitudinal direction, and when the pulley assembly extends downwards, the pulley assembly can support the base and enable the vibration table to move by means of the pulley assembly;

the base is further provided with a supporting leg assembly, the supporting leg assembly can stretch out and draw back along the transverse direction, the supporting leg assembly can contact the ground along the longitudinal direction, and when the supporting leg assembly extends outwards, the occupied area of the vibrating table can be increased.

Preferably, the pulley assemblies are provided with two groups and are oppositely arranged on two sides of the base, and each pulley assembly comprises an installation shaft, an upper support arm, a lower support arm, a left hinge block, a right hinge block, a screw rod, a lifting bottom plate and universal wheels;

the mounting shaft, the upper support arm and the lower support arm are provided with two groups which are arranged in bilateral symmetry, the mounting shaft is fixedly arranged on the base, the upper end of the upper support arm is rotatably arranged on the mounting shaft, the lower end of the upper support arm on the left side and the upper end of the lower support arm on the right side are rotatably connected through the left hinge block, the lower end of the upper support arm on the right side and the upper end of the lower support arm on the right side are rotatably connected through the right hinge block, the lead screw penetrates through the right hinge block and the left hinge block and is in threaded connection with the left hinge block, the lower ends of the lower support arms on the two sides are rotatably connected to the lifting bottom plate, and the universal wheels are provided with two groups and are respectively arranged at;

rotate the lead screw, can drive articulated piece in a left side with articulated piece in the right side is close to or keeps away from, and then passes through go up the support arm with the linkage of lower limb drives the lifting bottom plate is along vertical lift.

The pulley block's of this scheme structure is similar with automobile jack, through rotating the lead screw, can be relaxed lift up the shaking table.

Preferably, the supporting leg assembly is provided with four groups, the four groups are respectively arranged around the base, and the supporting leg assembly comprises a sliding groove, a telescopic plate and supporting legs; the groove of sliding sets up in the base is all around, the expansion plate along lateral sliding set up in the inslot slides, the supporting leg along longitudinal thread connect in the expansion plate front end, just the supporting leg rotates downwards and can contradict ground.

As an improvement, a linkage disk is further arranged between the supporting leg assemblies, the linkage disk is rotatably arranged on the base, four arc-shaped grooves are formed in the linkage disk, the arc-shaped grooves extend outwards from the middle, driving columns extend out of the rear ends of the telescopic plates, the driving columns are slidably arranged in the arc-shaped grooves, and the four groups of supporting leg assemblies are synchronously telescopic through the linkage disk.

Furthermore, a support frame is fixedly arranged on the inner side of the base, a driving motor is arranged at the center of the support frame, the linkage disc is connected with the driving motor, and the driving motor drives four groups of supporting leg assemblies to synchronously stretch and retract through the linkage disc. The telescopic supporting leg assembly is simpler and more efficient.

As a modification, one end of the screw rod is provided with an operating handle which is suitable for penetrating through a rod-shaped object and is used for rotating the screw rod. The screw rod can be conveniently rotated by tools such as a screwdriver, a spanner and the like.

Compared with the prior art, the utility model has the advantages of it is following: the scheme utilizes the telescopic pulley assembly to ensure that the vibration table is convenient to move; and the pulley assembly can be retracted upwards when the vibration table runs, so that the normal vibration work of the pulley assembly is not influenced. In addition, the arrangement of the supporting leg assembly can increase the contact area between the vibrating table and the ground and increase the stability of the vibrating table; and the leg assembly may be retracted inwardly when not in use.

Drawings

Fig. 1 and 2 are schematic views of the pulley assembly retracted upward and the leg assembly retracted inward according to a preferred embodiment of the present invention;

figures 3 and 4 are schematic views of the pulley assembly retracted upwardly and the leg assembly extended outwardly in accordance with a preferred embodiment of the present invention;

figures 5 and 6 are schematic views of the pulley assembly extended downwardly and the leg assembly retracted inwardly in accordance with a preferred embodiment of the present invention;

figure 7 is a schematic view of a preferred embodiment of a sheave assembly according to the present invention;

figures 8 and 9 are schematic structural views of the engagement of the leg assembly and the linkage disc in accordance with a preferred embodiment of the present invention;

fig. 10 is a schematic structural view of a base in a preferred embodiment according to the present invention;

fig. 11 is a schematic structural view of a leg assembly according to a preferred embodiment of the present invention.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

As shown in fig. 1 to 11, a preferred embodiment of the present invention includes a base 1, a vibration assembly 2 and a vibration plate 3, wherein the vibration assembly 2 is disposed between the base 1 and the vibration plate 3. The base 1 is provided with a pulley assembly 4, the pulley assembly 4 can stretch and retract along the longitudinal direction, and when the pulley assembly 4 extends downwards, the base 1 can be supported and the vibration table can move by the pulley assembly 4; still be provided with landing leg assembly 5 on the base 1, landing leg assembly 5 can be followed transversely to stretch out and draw back, and landing leg assembly 5 can be followed vertical contact ground, and when landing leg assembly 5 outwards extended, can increase the area of shaking table. The concrete structure is as follows:

wherein pulley assembly 4 has two sets ofly, and sets up in base 1 both sides relatively, and pulley assembly 4 includes installation axle 41, goes up support arm 42, lower support arm 43, left articulated piece 44, right articulated piece 45, lead screw 46, lifting bottom plate 47 and universal wheel 48.

Installation axle 41, it has two sets ofly that bilateral symmetry set up to go up supporting arm 42 and lower support arm 43, installation axle 41 is fixed to be set up on base 1, it sets up on installation axle 41 to go up supporting arm 42 upper end rotation, left last supporting arm 42 lower extreme and the lower support arm 43 upper end are connected through the articulated piece 44 rotation in a left side, last supporting arm 42 lower extreme and the lower support arm 43 upper end on right side are connected through the articulated piece 45 rotation in a right side, lead screw 46 passes articulated piece 45 in a right side and articulated piece 44 in a left side, and lead screw 46 threaded connection is in articulated piece 44 in a left side, the lower support arm 43 lower extreme of both sides is all rotated and is connected on lifting bottom plate 47, universal wheel 48 has two. The screw 46 is provided at one end with an operating handle 461, and the operating handle 461 is adapted to pass through a rod-like object and to rotate the screw.

The screw rod 46 is rotated to drive the left hinge block 44 and the right hinge block 45 to move close to or away from each other, and then the lifting bottom plate 47 is driven to lift along the longitudinal direction through the linkage of the upper support arm 42 and the lower support arm 43.

The leg assembly 5 has four groups, and is respectively arranged around the base 1, the leg assembly 5 comprises a sliding groove 51, a telescopic plate 52 and a supporting leg 53; the groove 51 that slides is seted up around base 1, and the expansion plate 52 sets up in the groove 51 that slides along horizontal slip, and supporting leg 53 is along vertical threaded connection in expansion plate 52 front end, and supporting leg 53 rotates downwards and can contradict ground.

Still be provided with linkage dish 54 between the landing leg subassembly 5, linkage dish 54 rotates and sets up on base 1, has seted up four arc walls 541 on the linkage dish 54, and arc wall 541 extends to the outside from the centre, and the driving column 521 is extended to the expansion plate 52 rear end, and driving column 521 slides and sets up in arc wall 541, and four group's landing leg subassemblies 5 are synchronous flexible through linkage dish 54.

The supporting frame 11 is fixedly arranged on the inner side of the base 1, the driving motor 12 is arranged in the center of the supporting frame 11, the linkage disc 54 is connected with the driving motor 12, and the driving motor 12 drives the four groups of supporting leg assemblies 5 to synchronously extend and retract through the linkage disc 54.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a vibrating table, includes base, vibration subassembly and vibration board, the vibration subassembly set up in the base with between the vibration board, its characterized in that:

2. A vibration table according to claim 1, wherein: the pulley assemblies are provided with two groups and are oppositely arranged on two sides of the base, and each pulley assembly comprises an installation shaft, an upper support arm, a lower support arm, a left hinge block, a right hinge block, a screw rod, a lifting bottom plate and universal wheels;

3. A vibration table according to claim 1, wherein: the supporting leg assembly is provided with four groups, the four groups are respectively arranged on the periphery of the base, and the supporting leg assembly comprises a sliding groove, a telescopic plate and supporting legs; the groove of sliding sets up in the base is all around, the expansion plate along lateral sliding set up in the inslot slides, the supporting leg along longitudinal thread connect in the expansion plate front end, just the supporting leg rotates downwards and can contradict ground.

4. A vibration table according to claim 3, wherein: still be provided with the linkage dish between the landing leg subassembly, the linkage dish rotate set up in on the base, four arc walls have been seted up on the linkage dish, the arc wall extends to the outside from the centre, the expansion plate rear end extends the drive post, the drive post slide set up in the arc wall, four groups the landing leg subassembly passes through the linkage dish is synchronous flexible.

5. A vibration table according to claim 4, wherein: the base inboard is fixed and is provided with the support frame, support frame central point puts and is provided with driving motor, the linkage dish is connected driving motor, driving motor passes through four groups of linkage dish drive landing leg subassembly is synchronous flexible.

6. A vibration table according to claim 2, wherein: one end of the screw rod is provided with an operating handle, and the operating handle is suitable for penetrating through the rod-shaped object and used for rotating the screw rod.