CN218066948U - Bending vibration testing mechanism - Google Patents

Abstract

The utility model discloses a crooked vibration accredited testing organization, including the fixed station that is used for the fixed test panel one end wherein, be used for pressing from both sides tight or the release take up mechanism who surveys the other end of board, and with take up mechanism links to each other, is used for the drive take up mechanism along the motion of predetermineeing the direction so that the other end of surveying the board produces crooked deformation's actuating mechanism. So, will survey the one end of surveying the board through the fixed station and fix, the rethread take-up mechanism will survey the other end of surveying the board and press from both sides tightly fixed, drives take-up mechanism through actuating mechanism at last and moves, and then drives the other end that surveys the board and produce crooked deformation, and the take-up mechanism loosens the release again and surveys the board for survey the other end of surveying the board and kick-backing naturally and produce the vibration, accomplish the crooked vibration test of survey board. The utility model discloses a bending vibration accredited testing organization can conveniently, easily realize the bending vibration test of ski, reduces artifical work load, improves precision of software testing and test result reliability simultaneously.

Description

Bending vibration testing mechanism

Technical Field

The utility model relates to a damping technical field, in particular to bending vibration accredited testing organization.

Background

When a snowboard is used for skiing sports training, the snowboard is continuously impacted to generate vibration. When the snowboard is used for a long time, the snowboard may be permanently deformed, damaged or even broken due to long-term impact vibration.

At present, in order to study the influence of impact vibration on a snowboard or to test the influence of impact vibration on the snowboard before shipping, a bending vibration test of the snowboard is generally implemented by fixing one end of the snowboard in the longitudinal direction and bending the other end of the snowboard in the longitudinal direction.

In prior art, mainly break the skis off with the fingers and thumb through artifical manual or break the one end of skis off with the help of the frock and bend with the fingers and thumb, the operation is comparatively troublesome and loaded down with trivial details, and a large amount of tests lead to the hand labor volume great simultaneously, and manual operation's error is great in addition, leads to the simulation effect relatively poor, and the measuring accuracy is not high, and the reliability of test result is not good.

Therefore, how to conveniently and easily realize the bending vibration test of the ski board, reduce the labor load of workers and simultaneously improve the test precision and the test result reliability is a technical problem faced by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bending vibration accredited testing organization can conveniently, easily realize the bending vibration test of ski, reduces artifical work load, improves measuring accuracy and test result reliability simultaneously.

In order to solve the technical problem, the utility model provides a crooked vibration accredited testing organization, including the fixed station that is used for fixed wherein one end of surveying the test panel, be used for pressing from both sides the tight elastic mechanism who tightly or release survey the other end of test panel, and with elastic mechanism links to each other, is used for the drive elastic mechanism produces crooked deformation's actuating mechanism along the other end of predetermineeing the direction motion so that survey the test panel.

Preferably, the driving mechanism comprises a power component and a telescopic plate in power connection with the output end of the power component; the expansion plate is connected with the tightening mechanism.

Preferably, the power component is a driving cylinder, one end of the expansion plate is connected with a piston rod of the driving cylinder, and the other end of the expansion plate is connected with the tightening mechanism.

Preferably, the power part comprises a driving motor and a transmission mechanism which is in power connection with the output end of the driving motor and is used for converting the rotary motion of the driving motor into linear motion, one end of the expansion plate is connected with the output end of the transmission mechanism, and the other end of the expansion plate is connected with the tightening mechanism.

Preferably, the test board further comprises a mounting plate, and the driving mechanism is movably arranged on the mounting plate so as to adjust the clamping position of the tightening mechanism along the length direction of the test board.

Preferably, a first slide rail is arranged on the mounting plate, and the driving mechanism is slidably arranged on the first slide rail; the extending direction of the first slide rail is parallel to the length direction of the test board.

Preferably, the take-up mechanism include with the mounting bracket that the expansion plate links to each other, set up in drive assembly on the mounting bracket, and with drive assembly's output power connection, be used for pressing from both sides tight or relax two at least centre gripping arms of the both sides lateral wall of surveying the board.

Preferably, the driving assembly comprises a driving part, a gear in power connection with an output end of the driving part, a first rack engaged with the gear, and a second rack engaged with the gear, wherein the first rack and the second rack are parallel to each other, and the first rack is connected with one of the clamping arms, and the second rack is connected with the other clamping arm.

Preferably, one of them the end connection of centre gripping arm has the first trip that is used for hooking the bottom surface of one side of testing panel, and another the end connection of centre gripping arm has the second trip that is used for hooking the bottom surface of the opposite side of testing panel, just first trip with the second trip is the symmetric distribution in the width direction of testing panel.

Preferably, the fixed table is provided with a working plane for keeping the test board in a horizontal posture.

The utility model provides a bending vibration accredited testing organization mainly includes fixed station, take-up unit and actuating mechanism. The fixing table is mainly used for fixing one end of the test board. The elastic mechanism is mainly used for clamping the other end of the test board in the test process, or releasing the other end of the test board after the other end of the test board is bent and deformed, so that the elastic mechanism naturally rebounds and vibrates. The driving mechanism is connected with the tightening mechanism and is mainly used for driving the tightening mechanism to move along a preset direction after the tightening mechanism clamps the other end of the test board, so that the tightening mechanism drives the other end of the test board to generate bending deformation. Therefore, the utility model provides a crooked vibration accredited testing organization, when testing, at first the one end of surveying the board will be fixed through the fixed station, the other end clamp that rethread take-up mechanism will survey the board is fixed, drive take-up mechanism through actuating mechanism at last and move, and then the other end that drives survey the board produces crooked deformation, and when the crooked deformation degree of surveying the other end of surveying the board reaches anticipated target, actuating mechanism stops the drive promptly, take-up mechanism keeps in current position department, thereby the other end that will survey the board keeps at current crooked deformation gesture, later take-up mechanism loosens the release again and surveys the board, make the other end of surveying the board kick-back naturally and produce the vibration, accomplish the crooked vibration test of survey board. Compared with the prior art, the utility model provides a bending vibration accredited testing organization need not the manual work and carries out test operation, can conveniently, easily realize the bending vibration test of ski, reduces artifical work load, improves precision of software testing and test result reliability simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a specific embodiment of the present invention.

Fig. 2 is a specific structural diagram of the driving mechanism.

Fig. 3 is a schematic view of the tightening mechanism.

Wherein, in fig. 1-3:

a test board-a;

the device comprises a fixed table-1, a tightening mechanism-2, a driving mechanism-3, a mounting plate-4, a first slide rail-5, a first slide block-6 and a sliding plate-7;

the device comprises a working plane-11, a mounting frame-21, a driving assembly-22, a clamping arm-23, a power component-31 and a telescopic plate-32;

the driving mechanism comprises a driving part 221, a gear 222, a first rack 223, a second rack 224, a second slide rail 225, a second slide block 226, a first clamping hook 231 and a second clamping hook 232.

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, fig. 1 is a schematic diagram of an overall structure of an embodiment of the present invention.

In a specific embodiment of the present invention, the bending vibration testing mechanism mainly includes a fixing table 1, a tightening mechanism 2 and a driving mechanism 3.

The fixing table 1 is mainly used for fixing one end of the test board a.

The elastic mechanism 2 is mainly used for clamping the other end of the test board a in the test process, or releasing the other end of the test board a after the other end of the test board a is bent and deformed, so that the test board a naturally rebounds and vibrates.

The driving mechanism 3 is connected with the take-up mechanism 2 and is mainly used for driving the take-up mechanism 2 to move along a preset direction after the take-up mechanism 2 clamps the other end of the test board a, so that the take-up mechanism 2 drives the other end of the test board a to generate bending deformation.

So, the crooked vibration accredited testing organization that this embodiment provided, when testing, at first will survey test panel a's one end through fixed station 1 and fix, rethread take-up mechanism 2 will survey test panel a's the other end clamp is fixed, drive take-up mechanism 2 through actuating mechanism 3 at last and move, and then drive the other end that surveys test panel a and produce bending deformation, and when the bending deformation degree of the other end that surveys test panel a reaches expected target, actuating mechanism 3 stops the drive promptly, take-up mechanism 2 keeps in current position department, thereby will survey test panel a's the other end and keep at current bending deformation gesture, take-up mechanism 2 loosens the release again later and survey panel a, make the other end that surveys test panel a kick-back naturally and produce the vibration, accomplish the crooked vibration test that surveys test panel a.

Compared with the prior art, the bending vibration testing mechanism provided by the embodiment does not need manual testing operation, can conveniently and easily realize the bending vibration test of the ski, reduces the labor load of workers, and simultaneously improves the testing precision and the reliability of the testing result.

Considering that the test board a such as a snowboard is generally flat, in order to facilitate the bending deformation of the test board a, in this embodiment, a working plane 11 is disposed on the fixing table 1 to place the test board a on the working plane 11, and the test board a is pressed by a pressing block or the like, so as to ensure that the test board a always maintains a horizontal posture during the test process. So set up, actuating mechanism 3 can drive take-up unit 2 and carry out vertical elevating movement to make take-up unit 2 drive the tip of surveying test panel a and carry out upper and lower bending deformation.

As shown in fig. 2, fig. 2 is a schematic diagram of a specific structure of the driving mechanism 3.

In an alternative embodiment with respect to the drive mechanism 3, the drive mechanism 3 mainly comprises a power member 31 and a telescopic plate 32. Wherein, power component 31 is mainly used for exporting power, and the one end of expansion plate 32 is connected with the output power of power component 31, and the other end of expansion plate 32 links to each other with take-up unit 2. With such an arrangement, the driving of the power member 31 to the retractable plate 32 can make the retractable plate 32 perform a retractable movement along a predetermined direction (e.g., a vertical direction).

Generally, the power unit 31 may be a driving cylinder such as an electric cylinder, a hydraulic cylinder, a pneumatic cylinder, etc., in which a piston rod is disposed, and one end of the expansion plate 32 is connected to the piston rod, while the other end of the expansion plate 32 is connected to the take-up mechanism 2.

Of course, the power unit 31 is not limited to the driving cylinder, and a driving motor may be used. At this time, considering that the motion output by the driving motor is a rotational motion and the target motion of the expansion plate 32 is a linear motion, a transmission mechanism, such as a screw transmission mechanism, a worm gear transmission mechanism, etc., needs to be provided to convert the rotational motion output by the driving motor into the linear motion. Accordingly, one end of the expansion plate 32 is in power connection with the output end of the transmission mechanism, and the other end of the expansion plate 32 is connected with the take-up mechanism 2.

In addition, in order to realize the overall test of the test board a and improve the reliability of the test result, in this embodiment, the mounting plate 4 is additionally provided, and meanwhile, the driving mechanism 3 is movably arranged on the mounting plate 4, and the moving direction of the driving mechanism 3 is the length direction of the test board a (after clamping). So set up, actuating mechanism 3 can be through the concrete mounted position of mode adjustment on mounting panel 4 that removes, simultaneously, drive 2 synchronous motion of take-up mechanism when actuating mechanism 3 removes to the concrete clamping position of take-up mechanism 2 on surveying the board a is surveyed in the adjustment. For example, the clamping position of the tensioner 2 may be adjusted to the longitudinal end of the test board a, or the middle position spaced from the end by a certain distance, etc., so as to perform the bending vibration test at different positions of the test board a plurality of times.

Further, in order to facilitate the linear movement of the driving mechanism 3 on the mounting plate 4, a first slide rail 5 is additionally provided on the mounting plate 4 in the present embodiment. Specifically, the extending direction of the first slide rail 5 on the mounting plate 4 is the length direction of the test board a, and the driving mechanism 3 is disposed in the first slide rail 5, and forms a sliding fit with the first slide rail 5, so as to slide along the first slide rail 5.

Furthermore, in order to facilitate the sliding fit between the driving mechanism 3 and the first sliding rail 5, a first sliding block 6 and a sliding plate 7 are added in the present embodiment. Wherein the first slide block 6 is slidably arranged on the first slide rail 5 and the slide plate 7 is connected to the drive mechanism 3, e.g. to the housing of the power unit 31, etc., while the slide plate 7 is also connected to the first slide block 6. Generally, to avoid the installation position of the first slide rail 5, the power component 31 may be specifically disposed at the bottom of the mounting plate 4, and a through hole is formed in the mounting plate 4 for the output end of the power component 31 and the expansion plate 32 to extend out.

As shown in fig. 3, fig. 3 is a schematic structural diagram of the takeup mechanism 2.

In an alternative embodiment with respect to the takeup mechanism 2, the takeup mechanism 2 basically includes a mounting frame 21, a drive assembly 22 and a clamp arm 23. Wherein the mounting frame 21 is connected to the expansion plate 32, typically at an outer end of the expansion plate 32. The driving assembly 22 is disposed on the mounting frame 21 and is mainly used for outputting power. The two clamping arms 23 are respectively connected with the output end of the driving component 22 and are respectively distributed at two sides of the width direction of the test board a, and are mainly used for performing opposite movement or reverse movement under the driving of the driving component 22, so as to clamp and connect the two side walls of the test board a into a whole, or loosen the two side walls of the test board a and release the test board a.

Generally, the number of the holding arms 23 is 2, and the holding arms are arranged to face the positions on both sides of the test board a in the width direction. Of course, the number of the holding arms 23 may be more than three, such as 3, 4 or more, and the holding arms 23 are still divided into two parts, one part is located at one side of the width direction of the test board a, and the other part is located at the other side of the width direction of the test board a. For the sake of convenience, the following description will be made by taking two holding arms 23 as an example.

In an alternative embodiment with respect to the drive assembly 22, the drive assembly 22 basically comprises a drive member 221, a gear 222, a first rack 223 and a second rack 224.

The driving unit 221 is generally mounted on the mounting frame 21, and a driving motor, such as a stepping motor, may be used.

The gear 222 is embedded in the mounting frame 21 and maintains the freedom of rotational movement, and the output end of the driving part 221 is in power connection with the rotating shaft of the gear 222 to drive the gear 222 to rotate clockwise or counterclockwise.

The first rack 223 is slidably inserted in the mounting frame 21, the second rack 224 is also slidably inserted in the mounting frame 21, the sliding directions of the first rack 223 and the second rack 224 are both along the width direction of the test board a, the first rack 223 and the second rack 224 are both in meshing transmission with the gear 222, and the first rack 223 and the second rack 224 are both parallel to each other and are respectively located at two sides of the gear 222 in the radial direction. Meanwhile, the first rack 223 is connected to one of the gripper arms 23, and the second rack 224 is connected to the other gripper arm 23.

So configured, when the driving member 221 drives the gear 222 to rotate in a forward direction (e.g. clockwise direction), the first rack 223 and the second rack 224 are driven to move synchronously towards each other, so as to drive the clamping arms 23 at two sides to approach each other, thereby clamping the side walls at two sides of the test board a; when the driving member 221 drives the gear 222 to rotate in a reverse direction (e.g. counterclockwise), the first rack 223 and the second rack 224 are driven to move in a synchronous reverse direction, so as to drive the two side holding arms 23 away from each other, thereby releasing the two side walls of the test board a.

Furthermore, in order to increase the clamping force on the test board a, a first hook 231 and a second hook 232 are added in this embodiment. The first hook 231 is disposed at an end of one of the clamping arms 23, and is mainly used for hooking a bottom surface of one side of the test board a. The second hook 232 is provided at the end of the other holding arm 23, and is mainly used to hook the other bottom surface of the test board a. So set up, utilize first trip 231, second trip 232 to survey the butt of panel a bottom surface, can be when actuating mechanism 3 drive take-up unit 2 removes, more convenient, stably drive test panel a and produce bending deformation.

Furthermore, in order to further improve the testing accuracy, the first hook 231 and the second hook 232 need to be disengaged from the contact with the testing board a when the testing board a is released, and therefore, in the present embodiment, the first hook 231 and the second hook 232 are symmetrically distributed in the width direction of the testing board a.

In addition, in order to facilitate the linear movement of the first rack 223 and the second rack 224 in the mounting frame 21, the second slide rail 225 and the second slider 226 are disposed in the mounting frame 21 in the present embodiment. Like the first slide rail 5 and the first slide block 6, the second slide block 226 is arranged on the second slide rail 225 and is connected with the second slide rail 225 in a sliding fit manner, two groups of the second slide rail 225 and the second slide rail 225 are arranged in the mounting frame 21, and the second slide block 226 in one group is connected with the first rack 223 and can form motion guidance for the linear motion of the first rack 223; the second sliding block 226 in the other group is connected with the second rack 224 and can form motion guide for the linear motion of the second rack 224.

It should be noted that the present invention provides a bending vibration testing mechanism, which can be applied not only to a ski but also to other plate-shaped or column-shaped workpieces.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The bending vibration testing mechanism is characterized by comprising a fixing platform (1) used for fixing one end of a testing plate (a), an elastic mechanism (2) used for clamping or releasing the other end of the testing plate (a), and a driving mechanism (3) connected with the elastic mechanism (2) and used for driving the elastic mechanism (2) to move along a preset direction so as to enable the other end of the testing plate (a) to generate bending deformation.

2. The bending vibration testing mechanism according to claim 1, wherein the driving mechanism (3) includes a power member (31), a telescopic plate (32) in power connection with an output end of the power member (31); the expansion plate (32) is connected with the tightening mechanism (2).

3. The bending vibration testing mechanism according to claim 2, wherein the power member (31) is a driving cylinder, one end of the expansion plate (32) is connected to a piston rod of the driving cylinder, and the other end of the expansion plate (32) is connected to the take-up mechanism (2).

4. The bending vibration testing mechanism according to claim 2, wherein the power unit (31) comprises a driving motor and a transmission mechanism which is connected with the output end of the driving motor in a power mode and is used for converting the rotary motion of the driving motor into linear motion, one end of the expansion plate (32) is connected with the output end of the transmission mechanism, and the other end of the expansion plate (32) is connected with the tightening mechanism (2).

5. The bending vibration testing mechanism according to claim 2, further comprising a mounting plate (4), wherein the driving mechanism (3) is movably disposed on the mounting plate (4) to adjust a clamping position of the takeup mechanism (2) along a length direction of the test plate (a).

6. The bending vibration testing mechanism according to claim 5, wherein a first slide rail (5) is provided on the mounting plate (4), and the driving mechanism (3) is slidably provided on the first slide rail (5); the extending direction of the first sliding rail (5) is parallel to the length direction of the test board (a).

7. The bending vibration testing mechanism according to any one of claims 2-6, wherein the tightening mechanism (2) comprises a mounting frame (21) connected to the extension plate (32), a driving assembly (22) disposed on the mounting frame (21), and at least two clamping arms (23) in dynamic connection with an output end of the driving assembly (22) for clamping or releasing both side walls of the test plate (a).

8. The bending vibration testing mechanism according to claim 7, wherein said driving assembly (22) includes a driving member (221), a gear (222) in power connection with an output end of said driving member (221), a first rack (223) engaged with said gear (222), a second rack (224) engaged with said gear (222), said first rack (223) and said second rack (224) being parallel to each other, and said first rack (223) being connected to one of said gripping arms (23), said second rack (224) being connected to the other of said gripping arms (23).

9. The bending vibration testing mechanism according to claim 8, wherein an end of one of the clamping arms (23) is connected to a first hook (231) for hooking a bottom surface of one side of the testing board (a), an end of the other clamping arm (23) is connected to a second hook (232) for hooking a bottom surface of the other side of the testing board (a), and the first hook (231) and the second hook (232) are symmetrically distributed in a width direction of the testing board (a).

10. The bending vibration testing mechanism according to claim 1, wherein the fixing table (1) is provided with a working plane (11) for keeping the test board (a) in a horizontal posture.

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