CN211475306U

CN211475306U - Pneumatic actuator's anti-seismic test fixing device

Info

Publication number: CN211475306U
Application number: CN201922405506.1U
Authority: CN
Inventors: 杨亚东; 梅秋伟; 雷庆旺
Original assignee: Changzhou Power Station Auxiliary Equipment Co ltd
Current assignee: Changzhou Power Station Auxiliary Equipment Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-11
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses an anti-seismic test fixing device of a pneumatic actuating mechanism, which comprises symmetrically distributed clamp heads in a right-angle bent plate shape, clamp bases in a right-angle triangular prism shape and a connecting plate which is arranged on the ground and used for fixing the pneumatic actuating mechanism, wherein the upper end surface of each clamp head is provided with an opening, the openings of the two clamp heads are opposite, and the upper end of the pneumatic actuating mechanism is clamped; the other end face of the head of the clamp is attached to the side face of the clamp base, the bottom face of the clamp base and a contact face attached to the end face of the head of the clamp are both quadrilateral, and the head of the clamp is closely attached to and fixedly connected with the side face of the upper part of the clamp base; the connecting plate is fixedly connected with the bottom surface of the clamp base. The device can adapt to the anti-seismic tests of pneumatic actuating mechanisms with different specifications; the installation gap and the processing error in the height direction can be eliminated; save structural material, reduced weight and focus height, reduced the antidetonation risk, fully satisfy pneumatic actuator's antidetonation test requirement.

Description

Pneumatic actuator's anti-seismic test fixing device

Technical Field

The utility model relates to the field of machinary, especially, relate to a pneumatic actuator's anti-seismic test fixing device.

Background

At present, according to the requirements of relevant nuclear power standards, relevant identification tests such as mechanical abrasion, thermal aging, irradiation aging, shock resistance and the like are required to be carried out on a model machine of a valve pneumatic actuating mechanism, wherein the shock resistance test is of great importance to the pneumatic actuating mechanism. In order to examine the vibration environment of a pneumatic actuator prototype within the life of a nuclear power plant, the prototype was subjected to appropriate vibration aging prior to anti-seismic testing and was verified for structural integrity and operability in a long-term vibration environment. The pneumatic actuator model machine is subjected to the vibration of sine waves in the x, y and z vertical directions, continuous scanning is required (the frequency range is 5 Hz-500 Hz-5 Hz), and a corresponding test fixing device needs to be developed due to the large weight and the large test difficulty of the pneumatic actuator.

Disclosure of Invention

In order to solve the problem, the utility model provides a pneumatic actuator's shock-proof test fixing device, simple structure, convenient to use satisfies the designing requirement, has saved the structural material.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

the anti-seismic test fixing device of the pneumatic actuating mechanism comprises the pneumatic actuating mechanism and a loading device, wherein the pneumatic actuating mechanism is arranged above the loading device, and further comprises clamp heads and clamp bases which are symmetrically distributed, the clamp heads are in a right-angle bent plate shape, one side end face of each clamp head is a horizontal plane and is provided with an opening, and the openings of the two clamp heads are arranged oppositely and used for clamping the upper end of the pneumatic actuating mechanism; the end surface of the other side of the head part of the clamp is jointed with the side surface of the base of the clamp,

the clamp base is in a right-angle triangular prism shape, the long bevel edge of the clamp base extends from the top to the bottom, a contact surface which is attached to the end surface of the other side of the clamp head is arranged on the side surface of the right angle edge of the clamp base, the bottom surface of the clamp base and the contact surface which is attached to the end surface of the other side of the clamp head are both in a quadrilateral shape, and the clamp head is closely attached to and fixedly connected with the side surface of the upper part of the clamp base;

the fixture base is characterized by further comprising a connecting plate, the connecting plate is arranged on the ground, the loading device is arranged on the connecting plate, and the connecting plate is fixedly connected with the bottom surface of the fixture base.

Furthermore, the end face, attached to the clamp base, of the clamp head and the contact face, attached to the clamp base, of the clamp base are provided with fastening holes, and the clamp head and the clamp base are fixed through bolts penetrating through the fastening holes.

Further, the fastening holes are all kidney-shaped holes.

Furthermore, the arrangement directions of the clamp head and the waist-shaped hole of the clamp base are mutually vertical, so that the mounting height of the clamp head and the clamp base is adjustable.

Furthermore, the bottom surface of the clamp base is provided with a waist-shaped hole, and the connecting plate is provided with a mounting hole matched with the waist-shaped hole in the bottom surface of the clamp base.

Further, the clamp base is of a triangular truss structure.

Furthermore, a plurality of reinforcing ribs are welded in the middle of the clamp base.

Furthermore, a support rod is arranged between the horizontal end face and the other end face of the head of the clamp.

Furthermore, the bevel of the welding position of the reinforcing rib is triangular.

The utility model has the advantages that:

1. the structural design is simple, the manufacturing and processing are convenient, the cost performance is high, and the strength meets the relevant design requirements of nuclear power earthquake-resistant class I.

2. The applicability range is wide, and the pneumatic clamp can adapt to pneumatic actuating mechanisms with different specifications and other devices with similar structures by changing the heights of the waist-shaped hole at the head part of the clamp and the base of the clamp;

3. due to the design of the waist-shaped hole, the installation gap and the machining error in the height direction can be eliminated;

4. by adopting the triangular truss structure, the truss rod piece in the truss structure mainly bears axial tension or pressure, so that the strength of materials can be fully utilized, structural materials are saved on the basis of meeting the strength requirement, the overall weight and the gravity center height are reduced to the maximum extent, the anti-seismic risk is reduced, and the anti-seismic test requirement of a pneumatic actuating mechanism is fully met.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the structure of the head of the clamp of the present invention;

FIG. 4 is a schematic view of the structure of the clamp base of the present invention;

FIG. 5 is an enlarged view of FIG. 2 at A;

fig. 6 is an enlarged view of fig. 2 at B.

The clamp comprises a clamp head 1, a clamp head 1-1, a first binding face 1-2, a first waist-shaped hole 1-3, an opening 1-4, a support rod 2, a clamp base 2-1, a second binding face 2-2, a second waist-shaped hole 2-3, a bevel edge 2-4, a bottom plate 2-5, a reinforcing rib 2-6, a base plate 2-7, a third waist-shaped hole 2-8, a groove 3, a pneumatic actuator 4, a loading device 5, a connecting plate 5-1 and a mounting hole.

Detailed Description

The following description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings of fig. 1-6, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.

The utility model discloses a pneumatic actuator's anti-seismic test fixing device, including pneumatic actuator 3 and loading device 4, pneumatic actuator 2 installs in loading device 4 top, still includes symmetric distribution's anchor clamps head 1 and anchor clamps base 2, and anchor clamps head 1 is the right angle bent plate form, and 1 side end of anchor clamps head is the horizontal plane, is equipped with opening 1-3, and two anchor clamps head 1's opening 1-3 are relative and establish, press from both sides tightly 3 upper end, the opposite side terminal surface of anchor clamps head 1 and the side laminating of anchor clamps base 2, the opposite side terminal surface of anchor clamps head 1 establishes to binding face 1-1.

The clamp base 2 is in a right-angle triangular prism shape, a long bevel edge 2-3 extends from the top to the bottom, a contact surface which is attached to a first attachment surface 1-1 of the clamp head 1 is arranged on the side surface of the vertical right-angle edge, the contact surface is a quadrangular attachment surface two 2-1, the bottom surface of the clamp base 2 is a quadrangular bottom plate 2-4, and the clamp head is closely attached to and fixedly connected with the side surface of the upper part of the clamp base;

the clamp head 1 is tightly attached and fixedly connected with a binding surface II 2-1 on the upper portion of the clamp base 2 through the binding surface I1-1.

The fixture base is characterized by further comprising a connecting plate 5, the connecting plate 5 is installed on the ground, the loading device 4 is installed on the connecting plate 5, and the connecting plate 5 is fixedly connected with the bottom plate 2-4 of the fixture base 2.

The first binding face 1-1 of the head part 1 of the clamp and the second binding face 2-1 of the base 2 of the clamp are both provided with fastening holes, the first binding face 1-1 of the head part 1 of the clamp adopts a first vertical waist-shaped hole 1-2, and the second binding face 2-1 of the base 2 of the clamp adopts a second horizontal waist-shaped hole 2-2; the bottom plate 2-4 of the clamp base 2 is provided with a horizontal waist-shaped hole III 2-7, and the connecting plate 5 is provided with a mounting hole 5-1 matched with the waist-shaped hole III 2-7 on the bottom plate 2-4 of the clamp base 2. The second binding face 2-1 of the clamp base 2 is tightly bound with the first binding face 1-1 of the clamp head 1, the clamp base 2 and the clamp head 1 are fixed together by bolts penetrating through two waist-shaped holes, the clamp base 2 is fixed on the connecting plate 5 by bolts penetrating through three waist-shaped holes 2-7 and the mounting hole 5-1 on the bottom plate 2-4, the clamp head 1, the clamp base 2 and the connecting plate 5 are connected into a whole by bolts, the bottom plate 2-4 of the clamp base 2 is connected with the connecting plate 5, and the clamp head 1 is connected with the pneumatic actuator 3 to form a whole. The arrangement of the first vertical waist-shaped hole 1-2 and the second horizontal waist-shaped hole 2-2 can meet the requirement that the clamp base 2 and the clamp head 1 can be adjusted in the horizontal direction and the vertical direction when connected. The arrangement of the three waist-shaped holes 2-7 can meet the requirement of adjusting the clamp base 2 in the horizontal direction during installation. Therefore, the pneumatic actuator can be suitable for mounting and fixing pneumatic actuators of different models.

The fixture base 2 is of a triangular truss structure, a plurality of reinforcing ribs 2-5 are welded in the middle of the fixture base 2, backing plates 2-6 are arranged at the welding positions of the reinforcing ribs 2-5, and grooves 2-8 at the welding positions are triangular. And a support rod 1-4 is arranged between the upper end surface and the other end surface of the head part 1 of the clamp.

Whole simple structure, save material, and intensity can all satisfy the antidetonation requirement, and the truss structure make full use of intensity of material, the great reduction whole weight and the focus height have reduced the antidetonation risk, fully satisfy pneumatic actuating mechanism's antidetonation test requirement.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The anti-seismic test fixing device of the pneumatic actuating mechanism comprises the pneumatic actuating mechanism and a loading device, wherein the pneumatic actuating mechanism is arranged above the loading device, and the anti-seismic test fixing device is characterized by further comprising clamp heads and clamp bases which are symmetrically distributed, wherein the clamp heads are in a right-angle bent plate shape, one side end face of each clamp head is a horizontal plane, openings are formed in the horizontal plane, and the openings of the two clamp heads are arranged oppositely and used for clamping the upper end of the pneumatic actuating mechanism; the end surface of the other side of the head part of the clamp is jointed with the side surface of the base of the clamp,

2. An earthquake test fixing device of a pneumatic actuator as defined in claim 1, wherein the end face of the clamp head part, which is attached to the clamp base, and the contact face of the clamp base, which is attached to the clamp head part, are provided with fastening holes, and the clamp head part and the clamp base are fixed by bolts penetrating through the fastening holes.

3. An anti-seismic test fixing device of a pneumatic actuator according to claim 2, wherein the fastening holes are all kidney-shaped holes.

4. An anti-seismic test fixing device of a pneumatic actuator as defined in claim 3, wherein: the arrangement directions of the clamp head and the waist-shaped hole of the clamp base are mutually perpendicular, so that the mounting height of the clamp head and the clamp base is adjustable.

5. An anti-seismic test fixing device of a pneumatic actuator as defined in claim 3, wherein: the bottom surface of the clamp base is provided with a waist-shaped hole, and the connecting plate is provided with a mounting hole matched with the waist-shaped hole in the bottom surface of the clamp base.

6. An anti-seismic test fixing device of a pneumatic actuator as defined in claim 1, wherein: the clamp base is of a triangular truss structure.

7. An anti-seismic test fixing device of a pneumatic actuator as defined in claim 1, wherein: a plurality of reinforcing ribs are welded in the middle of the clamp base.

8. An anti-seismic test fixing device of a pneumatic actuator as defined in claim 1, wherein: and a support rod is arranged between the horizontal end surface of the head part of the clamp and the end surface of the other side of the head part of the clamp.

9. An anti-seismic test fixing device of a pneumatic actuator as defined in claim 7, wherein: the bevel of the welding position of the reinforcing rib is triangular.