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CN-224231226-U - Sample fixing device of vibration test stand

CN224231226UCN 224231226 UCN224231226 UCN 224231226UCN-224231226-U

Abstract

The utility model relates to a sample fixing device of a vibration test stand, which comprises a connecting frame main body, a sample fixing assembly and a limiting assembly, wherein the connecting frame main body is provided with the sample fixing assembly, one side inner wall of the connecting frame main body is provided with the limiting assembly, the sample fixing assembly comprises an air cylinder, a clamping frame, a first threaded hole, a rubber clamping disc, a first screw rod, a cross limiting groove, a first rotating groove, a cross limiting rod, a second connecting plate, a sliding plate, a moving plate, a second rotating groove, an adjusting plate, a spring and a guide rail, the sample fixing assembly is adopted to clamp a sample in a fitting mode, in addition, the sample is limited through a threaded structure during vibration, the sample fixing part is prevented from shaking, test data of the sample are ensured to be accurate, the test effect is improved, after the sample is clamped, the clamping structure can be limited and manual assistance is not needed, and the clamping effect is improved.

Inventors

  • TAN ZHENGYE
  • MA HAO

Assignees

  • 苏州星博瑞检测科技有限公司

Dates

Publication Date
20260512
Application Date
20250515

Claims (5)

  1. 1. The sample fixing device of the vibration test stand is characterized by comprising a connecting frame main body (1), a sample fixing assembly (2) and a limiting assembly (3), wherein the connecting frame main body (1) is provided with the sample fixing assembly (2), and the limiting assembly (3) is arranged on the inner wall of one side of the connecting frame main body (1); Sample fixing component (2) includes cylinder (201), centre gripping frame (202), first screw hole (203), rubber grip disc (204), first lead screw (205), cross spacing groove (206), first rotation groove (207), cross gag lever post (208), second connecting plate (209), slide (2010), movable plate (2011), second rotation groove (2012), regulating plate (2013), spring (2014) and guide rail (2015), cylinder (201) are all inlayed and installed in the both sides of connecting frame main part (1), telescopic link one end rigid coupling of cylinder (201) has centre gripping frame (202), first screw hole (203) have been seted up to the symmetry on centre gripping frame (202), first screw hole (203) internal thread connection has first lead screw (205), the rigid coupling has rubber grip disc (204) on the one end outer wall of first lead screw (205), set up first rotation groove (207) on the other end outer wall of first lead screw (205), set up cross spacing groove (206) in first rotation groove (207), cross spacing groove (208) are connected with on the outer wall of cross spacing rod (208), the rigid coupling has on the second connecting plate (209), the guide rail (2015) is arranged on the second connecting plate (209) and the sliding plate (2010), a movable plate (2011) is arranged outside one side of the guide rail (2015), second rotating grooves (2012) are respectively formed in the movable plate (2011) and the second connecting plate (209), and the second rotating grooves (2012) are rotationally connected with the adjusting plate (2013).
  2. 2. The sample fixing device of the vibration test stand according to claim 1, wherein the limiting component (3) comprises a sliding groove (301), a motor (302), a second screw rod (303), a sliding block (304), a second threaded hole (305) and a limiting plate (306), the sliding groove (301) is formed in one side inner wall of the connecting frame body (1), the motor (302) is mounted on one side inner wall of the sliding groove (301) in an embedded mode, one end of an output shaft of the motor (302) is fixedly connected with the second screw rod (303), the other end of the second screw rod (303) is rotationally connected to the inner wall of the sliding groove (301), the sliding block (304) is symmetrically and slidingly connected with the sliding block (304), the second threaded hole (305) is formed in the position corresponding to the second screw rod (303), and the limiting plate (306) is welded on one side outer wall of the sliding block (304).
  3. 3. The sample fixing device for the vibration test stand according to claim 1, wherein the test shaft (4) is embedded and mounted on the inner wall of one side of the connecting frame body (1).
  4. 4. The sample fixing device of the vibration test stand according to claim 1, wherein first connecting plates (5) are welded on the outer walls of the two sides of the connecting frame main body (1), and screws (6) are sleeved in the first connecting plates (5).
  5. 5. The sample fixing device of the vibration test stand according to claim 2, wherein the second screw (303) is a bidirectional screw, and a protrusion is provided at a middle portion of the second screw (303).

Description

Sample fixing device of vibration test stand Technical Field The utility model relates to the technical field of vibration tests, in particular to a sample fixing device of a vibration test stand. Background The vibration test table is one of test tools and is used for simulating environments of electricians, electrons, automobile parts and other transported products and cargoes in the transportation process, and detecting the vibration resistance of the products; however, the existing sample fixing device generally cannot clamp the sample in a fitting manner, and when in vibration, the sample fixing part can be caused to move, so that test data of the sample are affected, test load is increased, the using effect of the device is reduced, after the sample is clamped, the clamping structure cannot be limited in position, manual assistance is needed, and the clamping effect is reduced. Disclosure of utility model The utility model solves the problem of providing the sample fixing device of the vibration test stand, which can clamp and clamp the sample, limit the sample through the thread structure during vibration, avoid shaking of the fixed part of the sample, ensure accurate test data of the sample, improve the test effect, limit and fix the clamping structure after clamping the sample, and improve the clamping effect without manual assistance. In order to achieve the purpose, the utility model adopts the following technical scheme that the sample fixing device of the vibration test stand comprises a connecting frame main body, a sample fixing assembly and a limiting assembly, wherein the connecting frame main body is provided with the sample fixing assembly, and the inner wall of one side of the connecting frame main body is provided with the limiting assembly; Sample fixing subassembly includes cylinder, centre gripping frame, first screw hole, rubber clamping disk, first lead screw, cross spacing groove, first rotation groove, cross gag lever post, second connecting plate, slide, movable plate, second rotation groove, regulating plate, spring and guide rail, all inlay the both sides of connecting frame main part and install the cylinder, telescopic link one end rigid coupling of cylinder has the centre gripping frame, first screw hole has been seted up to the symmetry on the centre gripping frame, first screw hole threaded connection has first lead screw, the rigid coupling has rubber clamping disk on the one end outer wall of first lead screw, first rotation groove has been seted up on the other end outer wall of first lead screw, cross spacing groove has been seted up to the first rotation inslot, the spacing cross gag lever post that is connected with of cross, the rigid coupling has the second connecting plate on the one end outer wall of cross gag lever post, all rigid coupling has the slide on the both sides outer wall of second connecting plate, install the guide rail on second connecting plate and the slide, one side externally mounted movable plate of guide rail, the second rotation groove has been seted up on movable plate and the second connecting plate respectively, the second rotation groove has the regulating plate. Preferably, the limiting component comprises a sliding groove, a motor, a second screw rod, a sliding block, a second threaded hole and a limiting plate, wherein the sliding groove is formed in one side inner wall of the connecting frame main body, the motor is mounted on one side inner wall of the sliding groove in an embedded mode, one end of an output shaft of the motor is fixedly connected with the second screw rod, the other end of the second screw rod is rotationally connected to the inner wall of the sliding groove, the sliding block is symmetrically and slidingly connected in the sliding groove, the second threaded hole is formed in the position, corresponding to the second screw rod, of the sliding block, and the limiting plate is welded on one side outer wall of the sliding block. Preferably, the inner wall of one side of the connecting frame main body is embedded with a test shaft. Preferably, first connecting plates are welded on the outer walls of the two sides of the connecting frame main body in a distributed mode, and screws are sleeved in the first connecting plates. Preferably, the second screw rod is a bidirectional screw rod, and a protrusion is arranged in the middle of the second screw rod. The utility model has the beneficial effects that the sample fixing assembly is adopted, so that the sample can be attached and clamped, and in vibration, the sample is limited through the thread structure, so that the shaking of the sample fixing part is avoided, the test data of the sample is ensured to be more accurate, and the test effect is improved; After the sample is clamped, the clamping structure can be limited and fixed, manual assistance is not needed, and the clamping effect is improved. Drawings FIG. 1 is a perspective view of the whole structure of the pre