CN217691216U

CN217691216U - Piezoelectric rubber polarization device for standing wave tube test

Info

Publication number: CN217691216U
Application number: CN202221679801.1U
Authority: CN
Inventors: 张大庆; 田玉茹; 王春龙; 李潇健
Original assignee: Harbin Engineering University Science Park Development Co ltd
Current assignee: Harbin Engineering University Science Park Development Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-10-28
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a piezoelectric rubber polarization device for standing wave tube test, including the electrically conductive bottom plate of fixed mounting on the workstation, a plurality of recesses have been seted up on the workstation, and equal sliding connection has the removal seat on every recess, every remove and all seted up the fixed slot on the seat, and all install two fixed establishment on every fixed slot, fixed mounting has a plurality of fixed columns on the workstation, and fixed mounting has the mounting panel between a plurality of fixed columns, mounting panel lower extreme fixed mounting has two telescopic cylinder, and fixed mounting has electrically conductive clamp plate between two telescopic cylinder's the lower extreme. Has the advantages that: the piezoelectric rubber with different thicknesses can be effectively fixed, the flatness of the fixed piezoelectric rubber is ensured, the problem that grooves or folds appear on the piezoelectric rubber is avoided, and the polarization treatment effect and the polarization efficiency are ensured.

Description

Piezoelectric rubber polarization device for standing wave tube test

Technical Field

The utility model relates to a piezoelectricity rubber polarization processing technology field especially relates to a piezoelectricity rubber polarization device for standing wave tube test.

Background

The piezoelectric rubber is a composite material prepared by dispersing piezoelectric ceramic powder in a rubber matrix without piezoelectric property, polarization is a very important process step in the piezoelectric rubber process, and the polarization means that a strong direct current electric field is applied to the surface of rubber so that electric domains in ceramic particles are aligned in a certain direction, and thus the piezoelectric rubber composite material has piezoelectric property. The standing wave tube is a device for measuring the vertical incidence sound absorption coefficient of a sound absorption material, and piezoelectric rubber subjected to polarization treatment is required when the standing wave tube is used for testing the sound absorption material.

Through retrieval, a patent document with the patent number of CN208298872U discloses a piezoelectric rubber polarization device for standing wave tube testing, which comprises a first base, a second base and a polarization component, wherein the first base and the second base are arranged oppositely at an interval.

The piezoelectric rubber polarization device for standing wave tube testing has the following defects: when the piezoelectric rubber is subjected to polarization treatment, the flatness of the piezoelectric rubber cannot be ensured, so that the problems of low polarization efficiency and poor polarization effect caused by the fact that the piezoelectric rubber is sunken or folded are easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem existing in the prior art and providing a piezoelectric rubber polarization device for standing wave tube test.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a piezoelectricity rubber polarization device for standing wave tube test, includes the electrically conductive bottom plate of fixed mounting on the workstation, a plurality of recesses have been seted up on the workstation, and equal sliding connection has a removal seat, every on every recess remove and all seted up the fixed slot on the seat, and all install two fixed establishment on every fixed slot, fixed mounting has a plurality of fixed columns on the workstation, and fixed mounting has the mounting panel between a plurality of fixed columns, mounting panel lower extreme fixed mounting has two telescopic cylinder, and fixed mounting has electrically conductive clamp plate between two telescopic cylinder's the lower extreme.

In the piezoelectric rubber polarization device for standing wave tube testing, the lower side wall of the fixing groove and the upper surface of the conductive bottom plate are located at the same horizontal height.

In foretell a piezoelectric rubber polarizing device for standing wave tube test, fixed establishment comprises fixed plate, lift post, lift groove, bull stick, lead screw and handle, the last lateral wall at the fixed slot is seted up to the lift groove, lift post sliding connection is on the lift groove, the bull stick rotates to be connected on removing the seat, lead screw fixed mounting is at the bull stick lower extreme, and lead screw and lift post threaded connection, handle fixed mounting is in the bull stick upper end.

In the piezoelectric rubber polarization device for standing wave tube testing, a chain transmission mechanism is installed between two corresponding rotating rods on each moving seat.

In foretell a piezoelectric rubber polarizing device for standing wave tube test, two first spouts have been seted up on the workstation, the equal fixed mounting in position corresponding removal seat lower extreme has two first sliders about two on the workstation, and about per two corresponding first sliders in position sliding connection respectively on the first spout that corresponds, rotate on the workstation and be connected with first bidirectional screw, and the one end that first bidirectional screw is located one of them first spout is threaded connection with two first sliders that correspond.

In foretell a piezoelectric rubber polarizing device for standing wave tube test, two second spouts have been seted up on the workstation, the equal fixed mounting of two corresponding removal seat lower extremes in position has two second sliders around two on the workstation, and every two corresponding second sliders in position are sliding connection respectively on the second spout that corresponds around, it is connected with the two-way lead screw to rotate on the workstation, and the one end that the two-way lead screw of second is located one of them second spout is threaded connection with two second sliders that correspond.

Compared with the prior art, the utility model discloses the advantage lies in:

1: the piezoelectric rubber can be fixed between the plurality of movable seats, and then the flatness of the piezoelectric rubber can be ensured by adjusting the positions of the plurality of movable seats, so that the problem of grooves or folds on the piezoelectric rubber is avoided, and the polarization treatment effect and the polarization efficiency are ensured.

2: through the design of fixed establishment, can effectively fix the piezoelectric rubber of different thickness on removing the seat to the application scope of the device has been improved to a certain extent.

To sum up, the utility model discloses can effectively fix the piezoelectric rubber of different thickness, ensure its roughness after fixing simultaneously, avoid appearing the problem of recess or fold on it, ensure polarization treatment effect and polarization efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a piezoelectric rubber polarization device for standing wave tube testing according to the present invention;

FIG. 2 is a schematic view of the structure of the plane a in FIG. 1;

fig. 3 is an enlarged view of a portion a of fig. 1.

In the figure: the device comprises a working table 1, a conductive bottom plate 2, a groove 3, a movable seat 4, a fixed groove 5, a fixed plate 6, a lifting column 7, a lifting groove 8, a rotating rod 9, a screw rod 10, a handle 11, a chain transmission mechanism 12, a fixed column 13, a mounting plate 14, a telescopic cylinder 15, a conductive pressing plate 16, a first sliding groove 17, a first sliding block 18, a first bidirectional screw rod 19, a second sliding groove 20, a second sliding block 21 and a second bidirectional screw rod 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious 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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, a piezoelectric rubber polarization device for standing wave tube testing comprises a conductive base plate 2 fixedly installed on a workbench 1;

the above is noteworthy:

1. a plurality of fixing columns 13 are fixedly mounted on the workbench 1, mounting plates 14 are fixedly mounted among the fixing columns 13, two telescopic cylinders 15 are fixedly mounted at the lower ends of the mounting plates 14, conductive pressing plates 16 are fixedly mounted between the lower ends of the two telescopic cylinders 15, when piezoelectric rubber is subjected to polarization treatment, the piezoelectric rubber is placed on the workbench 1, then the piezoelectric rubber is fixed by the aid of downward movement of the conductive pressing plates 16, the portion, located between the conductive pressing plates 16 and the conductive base plate 2, of the piezoelectric rubber, and then the conductive pressing plates 16 are electrified, so that planned treatment on the piezoelectric rubber can be completed.

2. A plurality of recesses 3 have been seted up on workstation 1, and equal sliding connection has removed seat 4 on every recess 3, and every removes and has all seted up fixed slot 5 on seat 4, and all installs two fixed establishment on every fixed slot 5, can fix piezoelectric rubber in fixed slot 5 through fixed establishment, under the cooperation of a plurality of removal seats 4 and a plurality of fixed slots 5, can fix piezoelectric rubber's all around four sides, consequently can ensure the fixed effect of piezoelectric rubber on workstation 1.

3. The lower side wall of the fixing groove 5 is located at the same level as the upper surface of the conductive base plate 2, and the design advantage of the lower side wall height of the fixing groove 5 is that it can ensure that the piezoelectric rubber is fixed and then kept at the whole level on the working platform 1.

4. Fixed establishment is by fixed plate 6, the lift post 7, lift groove 8, bull stick 9, lead screw 10 and handle 11 are constituteed, lift groove 8 sets up the lateral wall on fixed slot 5, 7 sliding connection of lift post are on lift groove 8, bull stick 9 rotates to be connected on removing seat 4, lead screw 10 fixed mounting is at bull stick 9 lower extreme, and lead screw 10 and 7 threaded connection of lift post, handle 11 fixed mounting is in bull stick 9 upper end, rotate handle 11, accessible bull stick 9 drives lead screw 10 and rotates, then under the joint action of lead screw 10 and lift post 7, can make fixed plate 6 reciprocate in fixed slot 5, thereby can accomplish the fixed to different thickness piezoelectric rubber, improve the device's application scope.

5. A chain transmission mechanism 12 is installed between two corresponding rotating rods 9 on each moving seat 4, the chain transmission mechanism 12 is the prior art, the working principle and the specific structure of the chain transmission mechanism are not specifically explained, and the design of the chain transmission mechanism 12 is convenient for controlling the moving direction of two fixed plates 6 in the fixed groove 5 at the same time.

6. Two first chutes 17 have been seted up on the workstation 1, the equal fixed mounting in the corresponding removal seat 4 lower extreme in position has two first sliders 18 about two on the workstation 1, and every two corresponding first sliders 18 in position about respectively sliding connection on the first chute 17 that corresponds, it is connected with first two-way lead screw 19 to rotate on the workstation 1, and the one end that first two-way lead screw 19 is located one of them first chute 17 is threaded connection with two first sliders 18 that correspond, after fixing piezoelectric rubber between a plurality of removal seats 4, rotate first two-way lead screw 19, can make the removal seat 4 that the position corresponds about two on the workstation 1 keep away from each other, both ends are tensile about piezoelectric rubber.

7. Two second chutes 20 have been seted up on the workstation 1, the equal fixed mounting of the corresponding removal seat 4 lower extreme in two front and back positions has two second sliders 21 on the workstation 1, and every two front and back position corresponding second sliders 21 be sliding connection respectively on the second chute 20 that corresponds, it is connected with the two directional lead screws 22 to rotate on the workstation 1, and the one end that the two directional lead screws 22 of second are located one of them second chute 20 is threaded connection with two second sliders 21 that correspond, it can make the removal seat 4 that two positions correspond around on the workstation 1 keep away from each other to rotate the two directional lead screws 22 of second, stretch both ends around to piezoelectric rubber, thereby can ensure the roughness after piezoelectric rubber fixes on the workstation 1, ensure polarization treatment effect and efficiency.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a piezoelectric rubber polarization device for standing wave tube test, includes electrically conductive bottom plate (2) of fixed mounting on workstation (1), its characterized in that, a plurality of recesses (3) have been seted up on workstation (1), and equal sliding connection has removal seat (4), every on every recess (3) remove and all seted up fixed slot (5) on seat (4), and all install two fixed establishment on every fixed slot (5), fixed mounting has a plurality of fixed columns (13) on workstation (1), and fixed mounting has mounting panel (14) between a plurality of fixed columns (13), mounting panel (14) lower extreme fixed mounting has two telescopic cylinder (15), and fixed mounting has electrically conductive clamp plate (16) between the lower extreme of two telescopic cylinder (15).

2. The piezoelectric rubber polarization device for standing wave tube test according to claim 1, wherein the lower side wall of the fixing groove (5) is at the same level with the upper surface of the conductive base plate (2).

3. The piezoelectric rubber polarization device for standing wave tube testing according to claim 1, wherein the fixing mechanism is composed of a fixing plate (6), a lifting column (7), a lifting groove (8), a rotating rod (9), a screw rod (10) and a handle (11), the lifting groove (8) is formed in the upper side wall of the fixing groove (5), the lifting column (7) is slidably connected to the lifting groove (8), the rotating rod (9) is rotatably connected to the moving seat (4), the screw rod (10) is fixedly installed at the lower end of the rotating rod (9), the screw rod (10) is in threaded connection with the lifting column (7), and the handle (11) is fixedly installed at the upper end of the rotating rod (9).

4. The piezoelectric rubber polarization device for standing wave tube test according to claim 3, wherein a chain transmission mechanism (12) is installed between two corresponding rotating rods (9) on each moving seat (4).

5. The piezoelectric rubber polarization device for the standing wave tube test according to claim 1, wherein two first sliding grooves (17) are formed in the workbench (1), two first sliding blocks (18) are fixedly mounted at the lower ends of two moving seats (4) corresponding to the left and right positions on the workbench (1), each two first sliding blocks (18) corresponding to the left and right positions are respectively connected to the corresponding first sliding grooves (17) in a sliding manner, a first bidirectional lead screw (19) is rotatably connected to the workbench (1), and one end of the first bidirectional lead screw (19) located in one of the first sliding grooves (17) is in threaded connection with the corresponding two first sliding blocks (18).

6. The piezoelectric rubber polarization device for standing wave tube testing according to claim 1, wherein two second sliding grooves (20) are formed in the workbench (1), two second sliding blocks (21) are fixedly mounted at the lower ends of two moving seats (4) corresponding to the front and rear positions on the workbench (1), each two second sliding blocks (21) corresponding to the front and rear positions are respectively and slidably connected to the corresponding second sliding groove (20), a second bidirectional lead screw (22) is rotatably connected to the workbench (1), and one end of the second bidirectional lead screw (22) located in one of the second sliding grooves (20) is in threaded connection with the corresponding two second sliding blocks (21).