CN216869910U

CN216869910U - Trachea test fixture and vibration test device and test system based on same

Info

Publication number: CN216869910U
Application number: CN202220576464.7U
Authority: CN
Inventors: 张仕强; 朱江峰; 钟琼华
Original assignee: Suzhou Sushi Testing Group Co Ltd
Current assignee: Suzhou Sushi Testing Group Co Ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-07-01
Anticipated expiration: 2032-03-16

Abstract

The utility model provides a gas pipe test fixture, a vibration test device and a test system based on the gas pipe test fixture, wherein the gas pipe test fixture comprises a first fixture subsection and a second fixture subsection, the first fixture subsection comprises a first support, a first fixing piece and a vertical adjusting assembly, the first fixture subsection comprises a rotatable screw rod arranged in the vertical direction of the first support and a screw nut fixed on the screw rod, the first fixing piece is fixed on the screw nut, the second fixture subsection comprises a second support and a second fixing piece arranged on the second support, and two ends of a gas pipe are respectively connected with the first fixing piece and the second fixing piece; the utility model adopts the clamp to fix two ends of the tested air pipe, realizes the position transformation of the first fixing piece in the vertical direction by the vertical adjusting assembly, realizes the position transformation of the first fixing piece in the horizontal direction by the horizontal adjusting assembly, and adapts to different installation heights and angles of the air pipe in actual work, so that the environment is closer to the actual working condition.

Description

Trachea test fixture and vibration test device and test system based on same

Technical Field

The utility model relates to the technical field of vibration tests, in particular to an air pipe test fixture, a vibration test device based on the air pipe test fixture and a test system based on the air pipe test fixture.

Background

In production life, the gas pipeline may bear a variety of external forces, including its own weight, thrust of gas acting on the pipe end, wind and snow loads, soil pressure, thermal stress caused by thermal expansion and contraction, vibration loads, earthquake disasters and the like, so before the gas pipe leaves a factory, the gas pipe is often required to be subjected to an air tightness test.

Because the actual working environment of the air pipe is complex and the installation condition is variable, in order to improve the reality degree of the simulated environment, the environment and vibration tests are usually carried out simultaneously, and the three-comprehensive test system is a means for simulating the real use environment of a product and is an effective method for designing and evaluating the product. The vibration test is an important component of a product mechanical environment test and a reliability test, the height of the air pipe is usually adjusted by using a T-shaped screw, but the screw is easy to loosen in the vibration process to influence the test.

Disclosure of Invention

The utility model aims to provide an air pipe test fixture, a vibration test device based on the air pipe test fixture and a test system based on the air pipe test fixture, so as to solve the problems.

The technical scheme adopted by the utility model is as follows:

the utility model provides a trachea test fixture for fix the trachea, anchor clamps include first anchor clamps subsection and second anchor clamps subsection, first anchor clamps subsection includes first support, first mounting and vertical adjustment subassembly, vertical adjustment subassembly is including setting up at the rotatable lead screw of the vertical side of first support, being fixed in the screw-nut on the lead screw, first mounting sets up on the screw-nut, second anchor clamps subsection includes the second support and sets up the second mounting on the second support, tracheal both ends are connected with first mounting, second mounting respectively.

Further specifically, the vertical adjustment assembly further comprises a vertical sliding groove formed in the vertical direction of the first support, and the two ends of the first fixing piece are clamped in the vertical sliding groove and can slide in the vertical sliding groove.

Further specifically, the first clamp subsection further comprises a carrying table top, the first support is arranged on the carrying table top, and a horizontal adjusting assembly used for adjusting the horizontal position of the first support is arranged on the carrying table top.

Further specifically, the horizontal adjustment subassembly includes horizontal spout, horizontal spout is T type groove, first support pass through T type nut with T type groove cooperatees.

Further specifically, the horizontal sliding grooves include a first horizontal sliding groove and a second horizontal sliding groove, and the first horizontal sliding groove and the second horizontal sliding groove intersect.

Further specifically, the leveling assembly includes a plurality of positioning mounting holes and fasteners.

Further specifically, the first fixing piece is a first air distribution block, a plurality of air pipe joints are arranged on the first air distribution block, and the air pipe joints are straight pipe joints and right-angle pipe joints.

Further specifically, the second fixing piece is a second air distribution block, the second air distribution block is arranged on the second support, and an air pipe connector is arranged on the second air distribution block.

Further specifically, trachea vibration testing arrangement, including airtight appearance, vibration exciter and above-mentioned trachea test fixture, the objective table face sets up on the movable ring of vibration exciter.

Further concretely, trachea test system, including control by temperature change case and above-mentioned trachea vibration testing arrangement, the second support sets up on control by temperature change case's bottom plate.

The utility model has the following beneficial effects:

adopt the tracheal both ends of anchor clamps fixed test, realize the position transform of first mounting in vertical side with vertical adjustment subassembly, realize the position transform of first mounting in the horizontal direction with horizontal adjustment subassembly, come the different mounting height and the angle of adaptation trachea in actual work, be connected between first minute gas piece and screw-nut, but the first minute gas piece of quick replacement, simultaneously, set up vibration test platform and temperature control box, make the environment more be close to tracheal operating condition.

Drawings

FIG. 1 is a schematic view of a tracheal test fixture;

FIG. 2 is a schematic view of an airway vibration test apparatus;

fig. 3 is a schematic diagram of a tracheal testing system.

Wherein: 1-air pipe, 2-first bracket, 3-first fixing piece, 4-screw rod, 5-screw rod nut, 6-roller, 7-vertical chute, 8-carrying table surface, 9-horizontal chute, 10-second bracket, 11-second fixing piece, 12-through pipe joint, 13-right-angle pipe joint, 14-vibration exciter, 15-temperature control box, 901-first horizontal chute and 902-second horizontal chute.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.

If the utility model is described in terms of orientations (e.g., up, down, left, right, front, back, outside, inside, etc.), the orientation involved needs to be defined, e.g., "to clearly convey the positions and directions described within the utility model, with reference to the operator of the instrument, the end closer to the operator being the proximal end and the end farther from the operator being the distal end. "or" with reference to the paper "and the like. Of course, if the positional relationship between the two is defined by cross-reference at the time of the subsequent description, it may not be defined here.

A tracheal test clamp comprising a first clamp section and a second clamp section.

The first clamp part comprises a first bracket 2, a first fixing part 3 connected with the air pipe 1, a vertical adjusting assembly and a horizontal adjusting assembly. In this embodiment, the first bracket 2 is square, which is convenient for fixing and balancing the screw rod 4.

The vertical adjustment assembly comprises a rotatable screw rod 4 and a screw nut 5, the rotatable screw rod 4 is arranged in the vertical direction of the first support 2, the screw nut 5 is fixed on the screw rod 4, the first fixing piece 3 is connected with the screw nut 5 through a screw, one end of the screw rod 4 is fixed through a nut, the other end of the screw rod freely rotates, the screw rod 4 is connected with the first support 2 through a roller 6 or a bearing in a matched mode, and lubricating oil is smeared during matching so that the screw rod can rotate smoothly.

Be provided with vertical spout 7 in the vertical direction of first support 2, the both ends of first mounting 3 are established in vertical spout 7 and can slide in vertical spout 7 through T type nut card.

When the screw rod 4 rotates, the first fixing piece 3 can be driven to move in the vertical direction, the two ends of the first fixing piece 3 slide in the vertical sliding grooves 7, stability in the sliding process is guaranteed, and the first fixing piece 3 keeps stable in the sliding process.

The first clamp subsection further comprises a carrying table surface 8, the first support 2 is arranged on the carrying table surface 8, and the horizontal adjusting assembly is arranged on the carrying table surface 8.

Fig. 1 provides an embodiment of the technical solution of the present invention, the horizontal adjustment assembly includes a horizontal sliding groove 9, the horizontal sliding groove 9 is a T-shaped groove, the first bracket 2 is matched with the T-shaped groove through a T-shaped nut, and the first bracket 2 does not move in the vertical direction during the sliding process.

The horizontal sliding groove 9 can be a plurality of sliding grooves which are parallel to each other.

The horizontal sliding chute 9 may also be a plurality of first horizontal sliding chutes 901 and a plurality of second horizontal sliding chutes 902, and the first horizontal sliding chutes 901 and the second horizontal sliding chutes 902 intersect. Or as shown in fig. 1, the first horizontal sliding chute 901 and the second horizontal sliding chute 902 are perpendicular to each other. In practical application, the number and the direction of the corresponding chutes are designed according to the requirements of users.

In addition, the leveling assembly may also position mounting holes and fasteners for several groups. The horizontal position of the first bracket 2 is adjusted by detaching the fastening piece and replacing the positioning mounting holes at different positions.

The effect of first mounting 3 is the one end of fixed trachea 1, in this embodiment, adopts first minute trachea 1, can test many trachea 1 simultaneously and mutual noninterference, is the key part of trachea 1 when carrying out gas tightness test, the effectual test efficiency that has improved.

In this design, pass through the fix with screw with first minute gas piece and screw-nut 5 and be in the same place, but quick replacement divides the gas piece to realize the trachea test of equidirectional not.

The second clamp part comprises a second bracket 10 and a second fixing piece 11 arranged on the second bracket 10 and used for fixing the other end of the air pipe 1, and the second fixing piece 11 is a second air distribution block.

The first air distribution block is provided with a plurality of air pipe joints, and the air pipe joints are straight pipe joints 12 and right-angle pipe joints 13. And a straight-through pipe joint 12 is arranged on the second air distribution block. The air pipe 1 is arranged between the first air distribution block and the second air distribution block.

The working principle of the utility model is as follows:

when the height is adjusted, firstly loosening a screw between the first air separation block and the first support 2, then using a wrench to rotate the screw rod 4, wherein in the rotation process of the screw rod 4, a screw rod nut 5 on the screw rod 4 drives the first air separation block fixed on the screw rod 4 to move in the vertical direction, and the height is adjusted to be suitable for the installation of the air pipe 1;

when angle regulation, loosen the screw of fixed first support 2 earlier, exert external force to first support 2, first support 2 slides in horizontal spout 9, adjusts the angle for being fit for trachea 1 installation.

The gas pipe 1 is connected with a first gas distribution block and a second gas distribution block through a straight pipe joint 12 respectively, the gas inlet pipe is connected with the first gas distribution block through a right-angle pipe joint 13, and the gas inlet pipe is communicated with an external gas tightness instrument and used for detecting the gas leakage condition of the gas pipe 1.

According to the technical scheme provided by the utility model, the two ends of the tested air pipe 1 are fixed by the clamp, the position of the first fixing piece 3 in the vertical direction is changed by the vertical adjusting assembly, the position of the first fixing piece 3 in the horizontal direction is changed by the horizontal adjusting assembly, and the air pipe testing device is suitable for different installation heights and angles of air pipes 1 of different types in actual work.

Based on the air pipe test fixture, the utility model further provides an air pipe vibration test device which comprises an air tightness instrument, a vibration exciter 14 and the air pipe test fixture, wherein the carrying platform surface 8 is arranged on the moving coil of the vibration exciter 14 and can float up and down along with the moving coil of the vibration exciter 14, so that a vibration force is provided for the air pipe test fixture and the air pipe 1 arranged in the air pipe test fixture. By adopting the air pipe vibration testing device, the air tightness detection and the vibration detection of the air pipe 1 can be integrated, so that the test result is closer to the actual working condition of the air pipe 1.

Based on the air pipe test fixture, the utility model also provides an air pipe test system which comprises a temperature control box 15 and the air pipe vibration test device, wherein the second support 10 is arranged on the bottom plate of the temperature control box 15, and the air pipe test system can ensure that the air pipe 1 leaks air at different temperatures and different vibration frequencies, so that the test result is more reliable.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above-listed detailed description is merely illustrative of possible embodiments of the present invention and is not intended to limit the scope of the utility model, which is intended to include within the scope of the utility model all equivalent embodiments or modifications that do not depart from the technical spirit of the present invention.

Claims

1. The utility model provides a trachea test fixture for fix trachea (1), its characterized in that:

the fixture comprises a first fixture subsection and a second fixture subsection, the first fixture subsection comprises a first support (2), a first fixing piece (3) and a vertical adjusting assembly, the vertical adjusting assembly comprises a rotatable screw rod (4) arranged in the vertical direction of the first support (2) and a screw nut (5) fixed on the screw rod (4), the first fixing piece (3) is arranged on the screw nut (5), the second fixture subsection comprises a second support (10) and a second fixing piece (11) arranged on the second support (10), and two ends of the air pipe (1) are connected with the first fixing piece (3) and the second fixing piece (11) respectively.

2. The tracheal test fixture of claim 1, wherein:

the vertical adjusting assembly further comprises a vertical sliding groove (7) formed in the vertical direction of the first support (2), and the two ends of the first fixing piece (3) are clamped in the vertical sliding groove (7) and can slide in the vertical sliding groove (7).

3. The tracheal test fixture of claim 1, wherein:

the first clamp subsection further comprises a carrying table top (8), the first support (2) is arranged on the carrying table top (8), and a horizontal adjusting assembly used for adjusting the horizontal position of the first support (2) is arranged on the carrying table top (8).

4. The tracheal test fixture of claim 3, wherein:

the horizontal adjustment assembly comprises a horizontal sliding groove (9), the horizontal sliding groove (9) is a T-shaped groove, and the first support (2) is matched with the T-shaped groove through a T-shaped nut.

5. The tracheal test fixture of claim 4, wherein:

the horizontal sliding chute (9) comprises a first horizontal sliding chute (901) and a second horizontal sliding chute (902), and the first horizontal sliding chute (901) and the second horizontal sliding chute (902) are intersected.

6. The tracheal test fixture of claim 3 wherein:

the horizontal adjusting component comprises a plurality of positioning and mounting holes and fasteners.

7. The tracheal test fixture of claim 3, wherein:

the first fixing piece (3) is a first air distribution block, a plurality of air pipe connectors are arranged on the first air distribution block, and the air pipe connectors are straight pipe connectors (12) and right-angle pipe connectors (13).

8. The tracheal test fixture of claim 3, wherein:

the second fixing piece (11) is a second air distribution block, the second air distribution block is arranged on the second support (10), and an air pipe joint is arranged on the second air distribution block.

9. The utility model provides a trachea vibration testing arrangement which characterized in that:

the air pipe test fixture comprises an air tightness instrument, a vibration exciter (14) and the air pipe test fixture as claimed in any one of claims 3 to 8, wherein the carrying platform surface (8) is arranged on a moving coil of the vibration exciter (14).

10. A trachea test system, its characterized in that:

comprising a temperature control box (15) and the tracheal vibration test device of claim 9, wherein the second bracket (10) is arranged on the bottom plate of the temperature control box (15).