CN212989076U

CN212989076U - Stable pencil vibration testing arrangement

Info

Publication number: CN212989076U
Application number: CN202021725794.5U
Authority: CN
Inventors: 方天琦
Original assignee: Wuxi Akarit Test Instrument Co ltd
Current assignee: Wuxi Akarit Test Instrument Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-04-16
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a stable pencil vibration testing arrangement, including first horizontal plate and slide bar, one side of first horizontal plate is connected with the second horizontal plate, the mounting panel has all been welded perpendicularly in the upper surface tip both sides of second horizontal plate, the fagging has all been cup jointed at the both ends of circle roller, it has the connecting rod to link to each other between the tip of fagging, the outside of consolidating the loop bar is fixed with the solid fixed cylinder, slide bar slidable mounting is in the inboard of spout. This stable pencil vibration testing arrangement, it is little than putting the wire casing to put the card spool pipe circle footpath size that the in-slot set up, after the pencil was placed in the card spool, the card spool that has certain deformability can take place to expand outward under the effect of pencil excircle size, including the friction effect of slipmat for the card spool can firmly chucking pencil, so the pencil just firmly be fixed in the card line board, and the pencil groove then is used for the winding to tighten up the pencil, when making the pencil winding fixed on the roller, can not skid.

Description

Stable pencil vibration testing arrangement

Technical Field

The utility model relates to a pencil vibration test technical field specifically is a stable pencil vibration test device.

Background

In order to test the product performance of the wire harness, such as flexibility, fracture resistance, strength and the like, the vibration test is required to be carried out on the wire harness, the vibration test method is to apply acting force to the wire harness to enable the wire harness to generate tremble or swing, namely generate vibration, the vibration frequency of the wire harness is gradually accelerated by continuously increasing the stress of the wire harness, the vibration frequency is measured and recorded, and when the wire harness is instantaneously fractured, the recorded vibration frequency and the acting force applied to the wire harness are the use limit of the wire harness and can be used as an important basis for evaluating the performance of the wire harness.

The existing wiring harness vibration testing device does not fix the wiring harness well, the wiring harness moves due to vibration in the testing process, the displacement is generated, the testing result of the wiring harness is undoubtedly greatly influenced, and therefore the stable wiring harness vibration testing device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stable pencil vibration testing arrangement to solve the current pencil vibration testing arrangement who proposes among the above-mentioned background art and not well carry out the problem fixed to the pencil.

In order to achieve the above object, the utility model provides a following technical scheme: a stable wire harness vibration testing device comprises a first horizontal plate and a sliding rod, wherein one side of the first horizontal plate is connected with a second horizontal plate, the middle part of the upper surface of the first horizontal plate and the middle part of the upper surface of the second horizontal plate are respectively provided with a sliding groove, two sides of the end part of the upper surface of the second horizontal plate are respectively vertically welded with a mounting plate, a round roller is connected between the mounting plates, two end parts of the round roller are respectively sleeved with a supporting plate, the supporting plates are respectively attached to the outer side wall of the mounting plate, a connecting rod is arranged between the end parts of the supporting plates, the outer side of the middle part of the connecting rod is sleeved with a reinforcing sleeve rod, the outer side of the reinforcing sleeve rod is fixed with a fixed cylinder, the outer wall of the fixed cylinder is welded with a supporting plate, the upper surface of the end part of the supporting plate is provided with a vibration sensor mounting plate, the sliding rod is slidably mounted on the inner side, the top cover of bracing piece is equipped with the upper cover, and the upper surface both sides of upper surface of upper cover have all welded the wiring board perpendicularly.

Preferably, the side wall of the first horizontal plate is provided with a slot, the side wall of the second horizontal plate is fixed with an insertion block, and the insertion blocks are respectively and correspondingly inserted into the slots.

Preferably, the outer wall of the round roller is provided with a wire harness groove, and the wire harness groove is spirally arranged along the axial direction of the round roller.

Preferably, the fagging all constitutes rotatable structure with the mounting panel through the circle roller, and be bolted connection between fagging and the circle roller.

Preferably, the centers of the inner parts of the sliding rod and the supporting rod are both provided with threaded holes, and the sliding rod and the threaded rod and the supporting rod and the threaded rod are in threaded connection.

Preferably, the upper edge of the wire clamping plate is provided with wire clamping grooves at equal intervals, and the lower ends of the wire clamping grooves are provided with wire placing grooves.

Preferably, the wire clamping pipe is arranged in the wire placing groove, the anti-slip pad is bonded on the inner wall of the wire clamping pipe, the wire clamping pipe is of an unclosed circular tubular structure, and the diameter of the outer circle of the wire clamping pipe is smaller than that of the inner wall of the wire placing groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this stable pencil vibration testing arrangement, it is little than putting the wire casing to put the card spool pipe circle footpath size that the in-slot set up, after the pencil was placed in the card spool, the card spool that has certain deformability can take place to expand outward under the effect of pencil excircle size, including the friction effect of slipmat for the card spool can firmly chucking pencil, so the pencil just firmly be fixed in the card line board, and the pencil groove then is used for the winding to tighten up the pencil, when making the pencil winding fixed on the roller, can not skid.

2. The angle of fagging can be adjusted, consequently can follow the pencil of co-altitude or angle trend, carries out corresponding adjustment to the angle of fagging for the pencil can contact with vibration sensor place the board betterly, thereby produces comparatively accurate vibration data, regards as the basis of judging pencil vibration performance with pencil cracked vibration data in the twinkling of an eye.

3. Can realize stretching out and drawing back through the threaded rod between slide bar and the bracing piece to can adjust the height of rising and falling of pencil, carry out the tractive better to the pencil and fix and the vibration test, the slide bar can remove along the spout simultaneously, thereby can adjust the support position of whole pencil, make the pencil can obtain better fixed.

Drawings

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

fig. 2 is a schematic view of the mounting structure of the wire clamping plate of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a first horizontal plate; 101. a slot; 2. a second horizontal plate; 201. inserting a block; 3. a chute; 4. mounting a plate; 5. a round roller; 501. a harness slot; 6. a supporting plate; 7. a connecting rod; 8. reinforcing the loop bar; 9. a fixed cylinder; 10. a support plate; 11. a vibration sensor installation plate; 12. a slide bar; 13. a threaded rod; 14. a support bar; 15. covering; 16. a wire clamping plate; 1601. a wire clamping groove; 1602. arranging a wire groove; 17. a wire clamping pipe; 1701. a non-slip mat.

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, the present invention provides a technical solution: a stable wire harness vibration testing device comprises a first horizontal plate 1 and a sliding rod 12, wherein one side of the first horizontal plate 1 is connected with a second horizontal plate 2, the middle part of the upper surface of the first horizontal plate 1 and the middle part of the upper surface of the second horizontal plate 2 are respectively provided with a sliding chute 3, the side wall of the first horizontal plate 1 is provided with a slot 101, the side wall of the second horizontal plate 2 is fixed with an insert 201, the insert 201 is respectively and correspondingly inserted in the slot 101, the first horizontal plate 1 and the second horizontal plate 2 can be spliced end to end, therefore, the first horizontal plate 1 and the second horizontal plate 2 are convenient to assemble, fast to disassemble and assemble, convenient to store, carry and use, the two sides of the end part of the upper surface of the second horizontal plate 2 are vertically welded with mounting plates 4, a round roller 5 is connected between the mounting plates 4, the outer wall of the round roller 5 is provided with a wire harness groove 501, and the wire harness groove 501 is spirally arranged along the axial direction of the round roller 5, the wire harness groove 501 is used for winding and tightening a wire harness, so that the wire harness does not slip when being wound and fixed on the round roller 5;

supporting plates 6 are sleeved at two end parts of the round roller 5, the supporting plates 6 are attached to the outer side wall of the mounting plate 4, the supporting plates 6 and the mounting plate 4 form a rotatable structure through the round roller 5, the supporting plate 6 is connected with the round roller 5 through bolts, and the angle of the supporting plate 6 can be adjusted, so that the wire harness with different heights or angles can be conformed, the angle of the supporting plate 6 is adjusted correspondingly, so that the wire harness can be well contacted with the vibration sensor placing plate 11, thereby generating more accurate vibration data, taking the vibration data of the instant breakage of the wire harness as the basis for evaluating the vibration performance of the wire harness, connecting rods 7 are connected between the end parts of the supporting plates 6, and the outer side of the middle part of the connecting rod 7 is sleeved with a reinforcing loop bar 8, the outer side of the reinforcing loop bar 8 is fixed with a fixed cylinder 9, a supporting plate 10 is welded on the outer wall of the fixed cylinder 9, and a vibration sensor mounting plate 11 is arranged on the upper surface of the end part of the supporting plate 10;

the sliding rod 12 is slidably mounted on the inner side of the sliding groove 3, the threaded rod 13 penetrates through the sliding rod 12, the supporting rod 14 is sleeved at the top end of the threaded rod 13, threaded holes are formed in the centers of the sliding rod 12 and the supporting rod 14, the sliding rod 12 and the threaded rod 13 are in threaded connection, the supporting rod 14 and the threaded rod 13 are in threaded connection, the sliding rod 12 and the supporting rod 14 can stretch and retract through the threaded rod 13, the rising and falling height of a wire harness can be adjusted, the wire harness can be better pulled, fixed and subjected to vibration test, meanwhile, the sliding rod 12 can move along the sliding groove 3, the supporting position of the whole wire harness can be adjusted, and the wire;

the top end of the supporting rod 14 is sleeved with a sleeve cover 15, both sides of the upper surface of the sleeve cover 15 are vertically welded with wire clamping plates 16, the sleeve cover 15 can rotate at the top end of the supporting rod 14 to adjust the direction of the wire clamping plates 16, so that a wire harness can be pulled and fixed better and more conveniently, wire clamping grooves 1601 are arranged on the upper edge of the wire clamping plates 16 at equal intervals, wire placing grooves 1602 are arranged at the lower ends of the wire clamping grooves 1601, the wire clamping grooves and the wire placing grooves 1602 on the wire clamping plates 16 are used for clamping the wire harness, wire clamping pipes 17 are arranged inside the wire placing grooves 1602, anti-slip pads 1701 are adhered on the inner walls of the wire clamping pipes 17, the wire clamping pipes 17 are of an unclosed circular tubular structure, the diameter of the outer circle of the wire clamping pipe 17 is smaller than the diameter of the inner wall of the wire placing groove 1602, the wire clamping pipe 17 arranged in the wire placing groove 1602 is smaller than the wire placing groove 1602, and when the wire harness is placed in the wire clamping pipe 17, the wire, the flaring occurs, and the frictional effect of the non-slip pad 1701 enables the wire harness 17 to be firmly clamped so that the wire harness is firmly fixed in the wire clamping plate 16.

The working principle is as follows: for the wiring harness vibration testing device, firstly, the plug 201 on the second horizontal plate 2 is correspondingly inserted into the slot 101 on the first horizontal plate 1, the first horizontal plate 1 and the second horizontal plate 2 are spliced into a complete plate, then the two slide bars 12 are moved to proper positions along the sliding groove 3, the distance between each slide bar 12 and each support bar 14 is adjusted, the heights of the two groups of wiring boards 16 are adjusted until the optimal heights are adjusted, then the horizontal angle of the supporting plate 6 is adjusted, the supporting plate 10 and the vibration sensor mounting plate 11 are adjusted to proper angles to better contact with the wiring harness, then the wiring harness is clamped into each group of wiring boards 16, namely the wiring harness is placed into the wiring clamping pipe 17 in the wire placing groove 1602, the wiring harness supports the wiring clamping pipe 17, the wiring harness is firmly clamped by the wiring pipe 17 due to the reactive force of the wiring clamping pipe 17, then the wiring harness is pulled downwards to the round roller 5, the wire harness is wound in a wire harness groove 501 in the outer wall of the round roller 5, the wire harness is tensioned on the testing device at the moment, acting force is applied to the wire harness, the wire harness vibrates, the stress of the wire harness is gradually increased, the vibration frequency of the wire harness is gradually accelerated, vibration data generated when the wire harness presses on the vibration sensor mounting plate 11 at the moment are changed, and when the wire harness is broken instantly, the vibration data measured by the vibration sensor on the vibration sensor mounting plate 11 are the vibration limit of the wire harness.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A stable pencil vibration testing arrangement, includes first horizontal plate (1) and slide bar (12), its characterized in that: one side of the first horizontal plate (1) is connected with a second horizontal plate (2), the middle part of the upper surface of the first horizontal plate (1) and the middle part of the upper surface of the second horizontal plate (2) are respectively provided with a sliding groove (3), the two sides of the end part of the upper surface of the second horizontal plate (2) are respectively vertically welded with a mounting plate (4), a round roller (5) is connected between the mounting plates (4), supporting plates (6) are respectively sleeved at the two end parts of the round roller (5), the supporting plates (6) are respectively attached to the outer side wall of the mounting plate (4), a connecting rod (7) is connected between the end parts of the supporting plates (6), a reinforcing sleeve rod (8) is sleeved at the outer side of the middle part of the connecting rod (7), a fixed cylinder (9) is fixed at the outer side of the reinforcing sleeve rod (8), a supporting plate (10) is welded at the outer wall of the fixed cylinder (9), and a vibration sensor mounting plate (11) is arranged, slide bar (12) slidable mounting is in the inboard of spout (3), and threaded rod (13) are run through to the inside of slide bar (12), the top cover of threaded rod (13) is equipped with bracing piece (14), the top cover of bracing piece (14) is equipped with upper surface cover (15), and the upper surface both sides of cover (15) all weld perpendicularly and have block line board (16).

2. A stabilized vibration testing device for wire harnesses according to claim 1, characterized in that: the side wall of the first horizontal plate (1) is provided with a slot (101), the side wall of the second horizontal plate (2) is fixed with an insertion block (201), and the insertion blocks (201) are respectively and correspondingly inserted into the slot (101).

3. A stabilized vibration testing device for wire harnesses according to claim 1, characterized in that: the outer wall of the round roller (5) is provided with a wire harness groove (501), and the wire harness groove (501) is spirally arranged along the axial direction of the round roller (5).

4. A stabilized vibration testing device for wire harnesses according to claim 1, characterized in that: the supporting plate (6) is connected with the mounting plate (4) through the round roller (5) by bolts, and the supporting plate (6) is connected with the round roller (5) by the bolts.

5. A stabilized vibration testing device for wire harnesses according to claim 1, characterized in that: threaded holes are formed in the centers of the inner parts of the sliding rod (12) and the supporting rod (14), and the sliding rod (12) and the threaded rod (13) and the supporting rod (14) and the threaded rod (13) are in threaded connection.

6. A stabilized vibration testing device for wire harnesses according to claim 1, characterized in that: the upper edge of wire blocking board (16) equidistance is provided with wire blocking groove (1601), and the lower extreme of wire blocking groove (1601) all is provided with puts wire casing (1602).

7. The stabilized vibration testing apparatus for wire harness according to claim 6, wherein: put the inside of wire casing (1602) and all settle card spool (17), and the inner wall of card spool (17) all bonds and has slipmat (1701), card spool (17) are unclosed pipe column structure, and the excircle diameter ratio of card spool (17) is less than the inner wall circle footpath of putting wire casing (1602).