Metal hose vibration test tool

Abstract

The utility model discloses a metal hose vibration testing tool, which belongs to the technical field of metal hose performance testing, and comprises a tool table, two symmetrically distributed telescopic rods are mounted at the upper end of the tool table, positioning shafts are fixedly connected to the inner side ends of the telescopic rods, a vibration meter is mounted at the inner bottom end of the tool table, and the positioning shafts are fixedly connected to the inner side ends of the telescopic rods. An electronic counter is further installed in the vibration meter, a movable plate is installed at the upper end of the vibration meter, two symmetrically-distributed first sliding grooves are formed in the upper end of the movable plate, adjustable first sliding blocks are slidably connected between the inner walls of the first sliding grooves, first threaded holes are formed in the side ends of the first sliding blocks, and first adjusting assemblies are installed at the upper ends of the first sliding blocks; wherein the side end of the right sliding block I is fixedly connected with a positioning clamp I. According to the metal hose dynamic performance testing device, vibration performance detection and fatigue life parameter testing of metal hoses with different diameters and sizes at different bending degrees and positioning positions can be achieved, and the dynamic performance testing requirements of the metal hoses are met.

Description

Technical Field

[0001] The utility model relates to the technical field of metal hose performance testing, and more specifically to a metal hose vibration testing tool. Background Art

[0002] Metal hose is a pipe fitting for conveying various fluids with bellows as the core component. It is arranged in the connection between pipelines and pipes, pipelines and equipment, and equipment and equipment.

[0003] The main functions of metal hoses in pipelines are to reduce the installation stress of pipelines, compensate for the displacement of pipelines, and absorb the vibration of pipeline systems. The main functions of metal hoses are different in different use environments. Metal hoses used in pipelines of some equipment with large vibrations, high frequencies, and small amplitudes, such as metal hoses in compressor pipelines used for digging mountains and opening roads, focus on the vibration reduction performance of metal hoses and the fatigue life of hoses under such working conditions. Because the greater the vibration of the pipeline, the easier it is for the components in the pipeline to crack and break. Even in the standard design of some industries, it is stipulated that if the vibration value of the pipeline is greater than a certain critical value, the designed pipeline is unqualified.

[0004] However, there is no special testing equipment and guiding research methods for the vibration reduction performance of metal hoses and the fatigue life of hoses under conditions of large vibration, high frequency and small amplitude in the metal hose industry. For example, in the national standard GBT14525-2010 "General Technical Conditions for Corrugated Metal Hoses", the only experiments for testing the dynamic performance of metal hoses during use are "U-type bending test" and "swing bending test", and such tests can only detect the flexibility of metal hoses. The metal hoses under the test are not vibrating, and it is impossible to detect the vibration reduction performance of metal hoses and the fatigue life under different vibration conditions. However, in practical applications, there is a real need for quantitative analysis of the vibration reduction performance of metal hoses. For this reason, it is urgent to develop a practical and reliable metal hose vibration reduction performance test equipment that can test the vibration reduction performance and fatigue life of metal hoses. Utility Model Content

[0005] 1. Technical problems to be solved:

[0006] In view of the problems existing in the prior art, the purpose of the utility model is to provide a metal hose vibration testing tool, which can realize vibration performance detection and fatigue life parameter testing of metal hoses of different diameters and sizes at different curvatures and positioning positions, thereby meeting the dynamic performance testing requirements of metal hoses.

[0007] 2. Technical solution:

[0008] To solve the above problems, the utility model adopts the following technical solutions.

[0009] A metal hose vibration test tool, comprising a tooling table, wherein two symmetrically distributed telescopic rods are installed on the upper end of the tooling table, and the inner ends of the telescopic rods are correspondingly connected to positioning shafts, a vibrator is installed on the inner bottom end of the tooling table, and an electronic counter is also installed inside the vibrator, and a movable plate is installed on the upper end of the vibrator, and two symmetrically distributed slide grooves are provided on the upper end of the movable plate, and a slider for horizontal sliding adjustment is correspondingly installed in the slide groove, and a threaded hole is provided on the side end of the slider, and an adjustment component is installed on the upper end of the slider;

[0010] Among them, an adjustable positioning clamp 1 is installed on one side end of the adjustment component on the right, and a vibration detector is installed on the upper end of the positioning clamp 1. An adjustment component 2 is installed on one side end of the adjustment component on the left, and a positioning clamp 2 that can be used in conjunction with the positioning clamp 1 is installed on the side end of the adjustment component 2.

[0011] A further improvement is that a threaded hole is provided at the side end of the slider, a screw is rotatably connected between the inner wall of the slide groove on the left, the screw passes through the threaded hole on the slider and is threadedly connected to the slider, the other end of the screw passes through the outer side of the movable plate, and the other end of the screw is fixedly connected to a handle.

[0012] A further improvement is that: the adjustment component 1 includes a positioning frame fixedly connected to the upper end of the slider 1, the side end of the positioning frame is provided with a slide groove 2, a screw rod 2 is rotatably connected between the upper and lower inner walls of the slide groove 2, the upper end of the screw rod 2 passes through the upper side of the positioning frame, and a handle 2 is fixedly connected to the upper end of the screw rod 2, a slider 2 is slidably connected in the slide groove 2, the slider 2 is sleeved on the outer side of the screw rod 2 and threadedly connected thereto, and the positioning clamp 1 is correspondingly connected to the positioning clamp 1.

[0013] A further improvement is that: the second adjustment component includes a positioning sleeve, and the positioning sleeve is correspondingly installed on the slider 2 of the left adjustment component one. The outer end of the positioning sleeve is provided with a second threaded hole 144, and the front end of the positioning sleeve is fixedly connected with a plurality of evenly distributed elastic sheets, and the outer end of the positioning sleeve is fixedly connected with a limiting ring, and the limiting ring is located on one side of the second threaded hole. An adjusting rod is movably connected in the positioning sleeve, and one end of the adjusting rod is fixedly connected with a positioning clamp 2, and the outer end of the adjusting rod is provided with a limiting sleeve, and the limiting sleeve is threadedly connected to the second threaded hole.

[0014] A further improvement is that the inner diameter of the second positioning clamp is smaller than the inner diameter of the first positioning clamp.

[0015] A further improvement is that the inner diameter of one side of the limiting sleeve is continuously reduced and has a frustum-shaped shape.

[0016] 3. Beneficial effects:

[0017] Compared with the prior art, the advantages of the present invention are:

[0018] (1) The utility model can adjust the telescopic rod according to the different heights required for testing so as to adapt to different position heights. Then, by adjusting the adjustment components 1 on both sides, the positioning clamp 1 and the adjustment component 2 are located on one side of the metal hose to be tested. Then, the adjustment component 2 can be extended according to the metal hoses of different thicknesses and sizes, so as to clamp and position the local position of the metal hose. Finally, by starting the vibrator below, the entire movable plate and the clamped metal hose are driven to vibrate up and down. The electronic counter detects the number of up and down reciprocating vibration movements of the movable plate to achieve the purpose of testing the number of up and down reciprocating swings of the metal hose. When the tested metal hose is damaged, When the electronic counter collects more test times, the higher the times of vibration resistance and swing bending resistance of the metal hose are tested, that is, the better the vibration reduction performance of the metal hose is, the longer the usable life is. In addition, during the vibration process, the vibration values ​​of both ends of the metal hose can be tested by the vibration detector, and the vibration value of one end of the metal hose transmitted to the other end of the metal hose after vibration reduction by the test bellows section can be quantitatively analyzed, so as to facilitate the quantitative analysis of the vibration reduction performance of the metal hose and the fatigue life under high-frequency vibration, and to test the advantages and disadvantages of the service life of metal hoses of different lengths, thereby meeting the dynamic performance test requirements of the metal hose.

[0019] (2) In order to make the metal hose fixed at different positions and thus test the vibration value generated by any position of the metal hose, the utility model rotates a handle to cause a screw connected thereto to transmit inside a slide groove. When the screw is threadedly connected to a slider and the slider is limited by the slide groove and cannot rotate, the slider is converted into linear motion under the rotation transmission of the screw, so that the metal hose clamped by the adjustment component can change its position, thereby testing the vibration value on both sides of any point on the metal hose after clamping, which is convenient for quantitatively describing the vibration reduction performance of the metal bellows section.

[0020] (3) In order to enable the metal hose under test to be at different heights and present different degrees of curvature and to be clamped at a fixed position, the personnel of the utility model control the adjustment component 1, thereby controlling the positioning clamp 1 and the adjustment component 2 fixedly connected at the side end to move upward, so that the metal hose in the clamped horizontal position can present different degrees of curvature up and down, which is beneficial to further vibration testing of the metal hose.

[0021] (4) The utility model can perform vibration tests on metal hoses of different diameters by adjusting the adjustment component 2, thereby expanding the application range of the vibration test on metal hoses. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the adjustment component 2 of the utility model;

[0024] Figure 3 It is a structural schematic diagram of the adjustment component 1 of the utility model.

[0025] Description of the numbers in the figure:

[0026] 1. Workbench; 2. Telescopic rod; 3. Positioning shaft; 4. Vibration meter; 5. Movable plate; 6. Slide groove 1; 7. Slider 1; 8. Threaded hole 1; 9. Screw rod 1; 10. Turning handle 1; 11. Adjusting component 1; 111. Positioning frame; 112. Slide groove 2; 113. Screw rod 2; 114. Slider 2; 115. Turning handle 2; 12. Positioning clamp 1; 13. Vibration detector; 14. Adjusting component 2; 141. Positioning sleeve; 142. Limiting ring; 143. Elastic sheet; 144. Threaded hole 2; 145. Adjusting rod; 146. Positioning clamp 2; 147. Limiting sleeve. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0028] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Example

[0030] See also Figure 1-3 A metal hose vibration test tool, wherein two symmetrically distributed telescopic rods 2 are installed on the upper end of the tooling platform 1, and the inner ends of the telescopic rods 2 are correspondingly connected with positioning shafts 3, a vibrator 4 is installed on the inner bottom end of the tooling platform 1, and an electronic counter is also installed inside the vibrator 4, and a movable plate 5 is installed on the upper end of the vibrator 4, and two symmetrically distributed slide grooves 6 are provided on the upper end of the movable plate 5, and a slider 7 for horizontal sliding adjustment is correspondingly installed in the slide groove 6, and a threaded hole 8 is provided on the side end of the slider 7, and an adjustment component 11 is installed on the upper end of the slider 7;

[0031] Among them, an adjustable positioning clamp 12 is installed on the side end of the right adjustment component 11, and a vibration detector 13 is installed on the upper end of the positioning clamp 12. An adjustment component 2 14 is installed on the side end of the left adjustment component 11, and a positioning clamp 2 146 that can be used in conjunction with the positioning clamp 12 is installed on the side end of the adjustment component 2 14.

[0032] During the use of this scheme, in order to avoid the inability of the prior art to detect parameters such as the vibration reduction performance of the metal hose and the fatigue life under different vibration conditions, in this embodiment, when the metal hose is subjected to a vibration test, first, the two sides of the metal hose to be tested are respectively installed on the surface of the positioning shaft 3, and then the telescopic rod 2 can be adjusted according to the different heights required for the test to adapt to different position heights. Thereafter, by adjusting the adjustment components 11 on both sides, the positioning clamp 12 and the adjustment component 2 14 are caused to be located on one side of the metal hose to be tested, and then the adjustment component 2 14 can be extended according to the metal hoses of different thicknesses and sizes, so as to clamp and position the local position of the metal hose, and finally, by starting the vibrator 4 below, the entire movable plate 5 and the clamped metal hose are caused to vibrate up and down, and the electronic meter The counter detects the number of up and down reciprocating vibration movements of the movable plate 5 to achieve the purpose of testing the number of up and down reciprocating swings of the metal hose. When the tested metal hose is damaged, the greater the number of tests collected by the electronic counter, the higher the number of times the tested metal hose resists vibration and swing bending, that is, the better the vibration reduction performance of the tested metal hose and the longer the usable life. In addition, during the vibration process, under the action of the vibration detector 13, the vibration values ​​of both ends of the metal hose can be tested, and the vibration value of one end of the metal hose transmitted to the other end of the metal hose after vibration reduction by the test bellows section can be quantitatively analyzed, thereby facilitating the quantitative analysis of the vibration reduction performance of the metal hose and the fatigue life under high-frequency vibration, and being able to test the advantages and disadvantages of the service life of metal hoses of different lengths, thereby meeting the dynamic performance testing requirements of the metal hose.

[0033] See also Figure 1 A threaded hole 8 is provided at the side end of the slider 7, a screw rod 9 is rotatably connected between the inner walls of the left slide groove 6, the screw rod 9 passes through the threaded hole 8 on the slider 7 and is threadedly connected to the slider 7, the other end of the screw rod 9 passes through the outer side of the movable plate 5, and the other end of the screw rod 9 is fixedly connected to a rotating handle 10.

[0034] During the use of this scheme, in order to make the fixed position of the metal hose different, so as to test the vibration value generated by any position of the metal hose, in this embodiment, the handle 10 can be rotated to cause the screw 9 connected thereto to be transmitted inside the slide groove 6, and the screw 9 is threadedly connected to the slider 7, and the slider 7 is unable to rotate due to the limiting effect of the slide groove 6, so that the slider 7 is converted into linear motion under the rotation transmission of the screw 9, so that the metal hose clamped by the adjustment component 11 can change its position, so that the vibration value on both sides of any point on the metal hose can be tested, which is convenient for quantitatively describing the vibration reduction performance of the metal bellows section;

[0035] In this embodiment, only the left side slide groove 6 is provided with a screw rod 9, and the right side slide groove 6 is not provided with a screw rod 9.

[0036] See also Figure 1-3 The adjusting component 11 includes a positioning frame 111 fixedly connected to the upper end of the slider 17, a slide groove 112 is opened at the side end of the positioning frame 111, a screw rod 113 is rotatably connected between the upper and lower inner walls of the slide groove 112, the upper end of the screw rod 113 passes through the upper side of the positioning frame 111, and a handle 115 is fixedly connected to the upper end of the screw rod 113, a slider 114 is slidably connected between the inner walls of the slide groove 112, the slider 114 is sleeved on the outer side of the screw rod 113 and is threadedly connected thereto, and the positioning clamp 12 is correspondingly connected to the positioning clamp 1.

[0037] During use of the present solution, in order to enable the tested metal hose to be at different heights and present different degrees of curvature and to clamp the metal hose at a fixed position, in the present embodiment, the personnel can rotate the second handle 115 to cause the second screw 113 which passes through the inner wall of the second slider 114 and is threadedly connected thereto to rotate. During the rotation of the second screw 113, the second slider 114 is limited by the second slide groove 112 and cannot rotate. As a result, the second slider 114 is displaced up and down under the transmission of the second screw 113, thereby controlling the positioning clamp 12 and the second adjustment component 14 fixedly connected to the side ends thereof to move upward, causing the clamped metal hose in a horizontal position to present different degrees of curvature up and down, which is beneficial to further vibration testing of the metal hose.

[0038] See also Figure 1-2 The adjusting component 14 includes a positioning sleeve 141, which is correspondingly installed on the slider 114 of the left adjusting component 11. A threaded hole 144 is provided at the outer end of the positioning sleeve 141. A plurality of evenly distributed elastic sheets 143 are fixedly connected to the front end of the positioning sleeve 141. A limiting ring 142 is fixedly connected to the outer end of the positioning sleeve 141. The limiting ring 142 is located on one side of the threaded hole 144. An adjusting rod 145 is movably connected between the inner walls of the positioning sleeve 141. A positioning clamp 146 is fixedly connected to one end of the adjusting rod 145. A limiting sleeve 147 is provided at the outer end of the adjusting rod 145. The limiting sleeve 147 is threadedly connected to the threaded hole 144.

[0039] Specifically, the inner diameter of the second positioning clip 146 is smaller than the inner diameter of the first positioning clip 12 .

[0040] Specifically, the inner diameter of one side of the limiting sleeve 147 is continuously reduced, and its shape is a truncated cone.

[0041] During use of this solution, in order to enable personnel to perform vibration tests on metal hoses of different diameters, in this embodiment, by setting the inner diameter of the second positioning clamp 146 to be smaller than the inner diameter of the first positioning clamp 12, the second positioning clamp 146 can be urged to approach the first positioning clamp 12, so that metal hoses of different diameters can be clamped more closely and more stably.

[0042] When clamping metal hoses of different diameters, the personnel can first rotate the limiting sleeve 147 to prompt the limiting sleeve 147 to be removed from the surface of the second threaded hole 144. As the limiting sleeve 147 is removed, the elastic sheet 143, which was originally limited by the small diameter inner diameter limiting sleeve 147, returns to its initial horizontal position and no longer fits to the surface of the adjusting rod 145. Therefore, the personnel can freely move the adjusting rod 145 to extend or shorten the position of the second positioning clamp 146 until it is adjusted to a suitable position and fits to the surface of the metal hose to be tested. Finally, the personnel continuously rotates the limiting sleeve 147 to the surface of the second threaded hole 144. As the limiting sleeve 147 is continuously screwed in, the inner diameter of the smaller side thereof continuously presses the elastic sheet 143, prompting one side of the elastic sheet 143 to be compressed and bent and fit to the surface of the adjusting rod 145, until the adjusting rod 145 is clamped, making it unable to move, thereby completing the position adjustment of the second positioning clamp 146.

[0043] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A metal hose vibration test tool, comprising a tooling table (1), characterized in that: The upper end of the workbench (1) is provided with two symmetrically distributed telescopic rods (2), the inner ends of the telescopic rods (2) are respectively connected with positioning shafts (3), the inner bottom end of the workbench (1) is provided with a vibrator (4), the interior of the vibrator (4) is also provided with an electronic counter, the upper end of the vibrator (4) is provided with a movable plate (5), the upper end of the movable plate (5) is provided with two symmetrically distributed slide grooves (6), the slide grooves (6) are respectively provided with sliders (7) for horizontal sliding adjustment, and the upper ends of the sliders (7) are provided with adjustment components (11); The side end of the adjusting component 1 (11) on the right side is equipped with an adjustable positioning clamp 1 (12), and the upper end of the positioning clamp 1 (12) is equipped with a vibration detector (13); the side end of the adjusting component 1 (11) on the left side is equipped with an adjusting component 2 (14), and the side end of the adjusting component 2 (14) is equipped with a positioning clamp 2 (146) that can be used in conjunction with the positioning clamp 1 (12).

2. A metal hose vibration test tool according to claim 1, characterized in that: A threaded hole (8) is provided at the side end of the slider (7); a screw rod (9) is rotatably connected in the slide groove (6) on the left side; the screw rod (9) passes through the threaded hole (8) on the slider (7) and is threadedly connected to the slider (7); the other end of the screw rod (9) passes through the outer side of the movable plate (5); and the other end of the screw rod (9) is fixedly connected to a rotating handle (10).

3. The metal hose vibration test tool according to claim 1, characterized in that: The adjustment component 1 (11) comprises a positioning frame (111) mounted on the upper end of the slider 1 (7); a second slide groove (112) is provided at the side end of the positioning frame (111); a second screw rod (113) is rotatably connected between the upper and lower inner walls of the second slide groove (112); the upper end of the second screw rod (113) passes through the upper side of the positioning frame (111); and a second handle (115) is fixedly connected to the upper end of the second screw rod (113); a second slide groove (112) is slidably connected to a second slide groove (114); the second slide groove (114) is sleeved on the outer side of the second screw rod (113) and is threadedly connected thereto; the positioning clamp 1 (12) is correspondingly connected to the second slide groove (114) on the right side.

4. A metal hose vibration test tool according to claim 3, characterized in that: The second adjustment component (14) comprises a positioning sleeve (141), the positioning sleeve (141) being mounted on the second slider (114) of the left adjustment component (11), the outer end of the positioning sleeve (141) being provided with a second threaded hole (144), the front end of the positioning sleeve (141) being fixedly connected with a plurality of uniformly distributed elastic sheets (143), the outer end of the positioning sleeve (141) being fixedly connected with a limiting ring (142), the limiting ring (142) being located on one side of the second threaded hole (144), the positioning sleeve (141) being movably connected with an adjustment rod (145), one end of the adjustment rod (145) being fixedly connected with a second positioning clamp (146), the outer end of the adjustment rod (145) being sleeved with a limiting sleeve (147), the limiting sleeve (147) being threadedly connected with the second threaded hole (144).

5. A metal hose vibration test tool according to claim 4, characterized in that: The inner diameter of the second positioning clamp (146) is smaller than the inner diameter of the first positioning clamp (12).

6. A metal hose vibration test tool according to claim 4, characterized in that: The inner diameter of one side of the limiting sleeve (147) is set to be continuously reduced, and its shape is a truncated cone.

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