CN211013429U

CN211013429U - Racket resilience performance tester

Info

Publication number: CN211013429U
Application number: CN201922017860.7U
Authority: CN
Inventors: 姚源盛; 李新焱; 杨军; 卜浩然; 仵涛; 魏国征
Original assignee: Gotech Testing Machines Dongguan Co Ltd
Current assignee: Gotech Testing Machines Dongguan Co Ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-07-14
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses a racket resilience performance tester relates to the test equipment field. The racket clamping mechanism comprises a base plate, a racket clamping mechanism and a test console are arranged on the base plate, the racket clamping mechanism comprises a connecting base plate and a clamping seat, a fixing seat, a hand wheel and a horizontal moving rod are arranged on the side face of the connecting base plate, the hand wheel is connected with the horizontal moving rod, the test console comprises a stand column, a control box is arranged at the upper end of the stand column, the control box is arranged on one side of the stand column, a hammer dropping rod is arranged on the control box, a control mechanism and an angle sensor are arranged in the control box, and a hammer is arranged. The falling hammer is used for striking the middle part of the racket, the rebound angle is measured by the angle sensor, the rebound performance of the racket is tested, the related technical gap is filled, the use is convenient, the position of the racket can be adjusted, the applicability is wide, the structure is reasonable, and the operation is convenient.

Description

Racket resilience performance tester

Technical Field

The utility model relates to a test equipment field especially relates to a racket resilience performance tester.

Background

Ball sports such as tennis and badminton are popular sports at present, the racket is taken as an essential device for the sports, the performance of the racket has great influence on the experience of sports competition, therefore, when the racket is produced, the performance of the racket needs to be detected in a related mode, one of the more critical items is the rebound performance of the racket, the free falling small ball is released above the center of the racket by hand, the jump height is measured, the test process is rough, the standard is lacked, and repeated tests are difficult.

SUMMERY OF THE UTILITY MODEL

To prior art shortcoming, the utility model discloses a racket resilience performance tester, it is rational in infrastructure, adopt the standard of standardization to resilience performance is embodied to resilience angle, and the position of test is accurate, repeatedly testable. The concrete technical characteristics are as follows:

a racket resilience performance tester comprises a bottom plate, wherein a racket moving clamping mechanism and a test console are arranged on the bottom plate;

the racket moving and clamping mechanism comprises a connecting bottom plate, a clamping seat is arranged on the connecting bottom plate, a fixed seat is arranged on the side surface of the connecting bottom plate, a hand wheel is arranged on one side of the fixed seat, a horizontal moving rod is arranged on the fixed seat and connected with the hand wheel, the horizontal moving rod penetrates through the fixed seat and is rotatably connected with the fixed seat, a connecting block is arranged on the horizontal moving rod close to the connecting base, the horizontal moving rod is in threaded connection with the connecting block, the connecting block is fixedly connected with the connecting base, a clamping cavity is arranged in the clamping seat;

the test console comprises a stand column, a control box is arranged at the upper end of the stand column and is arranged on one side of the stand column, a hammer dropping rod is arranged on the control box, a control mechanism and a rotary test mechanism are arranged in the control box, the control mechanism is connected with the hammer dropping rod, a hammer dropping is arranged at the end part of the hammer dropping rod, a display panel is arranged on the control box, and a control button is arranged outside the control box corresponding to the control mechanism.

Further, the position of the outer side of the clamping seat corresponding to the clamping plate is provided with a clamping plate adjusting screw, the clamping plate adjusting screw is in threaded connection with the clamping seat, the end part of the clamping plate adjusting screw is in contact with the clamping plate, a lifting moving block is arranged at the bottom inside the clamping seat, a lifting spring is arranged below the lifting moving block, the upper end of the lifting spring is connected with the lifting moving block, the lower end of the lifting spring is connected with the bottom of the clamping seat, one end of the lifting moving block penetrates through the side wall of the clamping seat, the upper end of the clamping seat is provided with a lifting adjusting screw.

Further, control mechanism includes the buckle piece, the buckle piece cover is established outside the hammer stem that falls, it is equipped with flexible head to correspond the buckle piece position in the control box, flexible head matches the shape of buckle piece, flexible overhead telescopic link that is equipped with, telescopic link one end connection control button, one side that flexible head kept away from the buckle piece is equipped with electromagnetic release, electromagnetic release connects flexible head, flexible first outside cover is equipped with the spring box, be equipped with reset spring between flexible head and spring box, flexible head and spring box are connected respectively at the reset spring both ends, the telescopic link other end is installed at flexible overhead.

Further, rotatory accredited testing organization includes rotatory clamp splice, and rotatory clamp splice is established in the one end that the hammer stem kept away from the hammer that falls, rotatory clamp splice and the hammer stem fixed connection that falls, and rotatory clamp splice facial make-up is equipped with the rotation axis, is equipped with the support that matches the rotation axis in the control box, and the rotation axis rotates with the support to be connected, and leg joint angle amplifier is passed to rotation axis one end, and angle amplifier one side is equipped with angle sensor, and angle sensor connects display panel.

Furthermore, a support leg is arranged below the bottom plate, and the drop hammer is spherical.

The utility model has the advantages that: the falling hammer is used for striking the middle part of the racket, the rebound angle is measured by the angle sensor, the rebound performance of the racket is tested, the related technical gap is filled, the use is convenient, the position of the racket can be adjusted, the applicability is wide, the structure is reasonable, and the operation is convenient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an internal structure diagram of the control box of the present invention;

FIG. 3 is a schematic side view of the control mechanism of the present invention;

FIG. 4 is a schematic view of the structure of the holder of the present invention;

fig. 5 is a schematic side view of the holder according to the present invention.

The labels in the figure are:

the device comprises a bottom plate 11, a connecting bottom plate 12, a clamping seat 13, a fixed seat 14, a hand wheel 15, a horizontal moving rod 16, a connecting block 17, a clamping plate 18, an upright post 19, a control box 20, a hammer dropping rod 21, a hammer dropping 22, a display panel 23, a control button 24, a clamping plate adjusting screw 25, a lifting moving block 26, a lifting adjusting screw 27, a buckling block 28, a telescopic head 29, a telescopic rod 30, an electromagnetic releaser 31, a spring box 32, a reset spring 33, a rotary clamping block 34, a rotary shaft 35, an angle amplifier 36, an angle sensor 37 and a supporting leg 38.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed description.

Referring to the drawings, the embodiment is a racket resilience performance tester, which is used for testing the resilience performance of a racket and comprises a bottom plate 11, wherein a racket moving and clamping mechanism and a test console are arranged on the bottom plate 11.

Wherein the racket moving and clamping mechanism is used for placing a racket and moving the racket to a proper position, and comprises a connecting bottom plate 12, a clamping seat 13 is arranged on the connecting bottom plate 12, a fixed seat 14 is arranged on the side surface of the connecting bottom plate 12, the fixed seat 14 can be fixed above a bottom plate 11, a hand wheel 15 is arranged on one side of the fixed seat 14, a horizontal moving rod 16 is arranged on the fixed seat 14, the hand wheel 15 is connected with the horizontal moving rod 16, the horizontal moving rod 16 passes through the fixed seat 14 to be rotatably connected with the fixed seat 14, a connecting block 17 is arranged on the horizontal moving rod 16 close to the connecting base, the horizontal moving rod 16 is in threaded connection with the connecting block 17, the connecting block 17 is fixedly connected with the connecting base, the hand wheel 15 is rotated, as the horizontal moving rod 16 is in threaded connection with the connecting block 17, the connecting block 17 can move along the threaded direction, the racket handle is put into the clamping cavity and clamped by the clamping plate 18, and a spring can be arranged between the clamping plate 18 and the clamping seat 13 to realize the clamping action.

The test console comprises a stand column 19, a control box 20 is arranged at the upper end of the stand column 19, the control box 20 is arranged on one side, close to the racket moving and clamping mechanism, of the stand column 19, a hammer dropping rod 21 is arranged on the upper portion of the control box 20, a control mechanism and a rotary test mechanism are arranged in the control box 20, the control mechanism is connected with the hammer dropping rod 21, a hammer 22 is arranged at the end portion of the hammer dropping rod 21, a display panel 23 is arranged on the control box 20 and displays a rotating angle, a control button 24 is arranged on the outer side, corresponding to the control mechanism, of the control box 20, the lowest position of the hammer dropping rod 22 is required to fall in the center of the test racket, the hammer dropping rod 21 is perpendicular to the racket surface.

In this embodiment, a splint adjusting screw 25 is provided at a position corresponding to the splint 18 outside the grip holder 13, the splint adjusting screw 25 is screwed to the grip holder 13, the end of the splint adjusting screw 25 is in contact with the splint 18, the splint adjusting screw 25 is adjusted, the grip action of the grip holder 18 on the handle of the test racket is adjusted, a lifting moving block 26 is provided at the bottom inside the grip holder 13, a lifting spring is provided below the lifting moving block 26, the upper end of the lifting spring is connected to the lifting moving block 26, the lower end of the lifting spring is connected to the bottom of the grip holder 13, one end of the lifting moving block 26 passes through the sidewall of the grip holder 13, a lifting adjusting screw 27 is provided at the upper end of the grip holder 13, the lifting adjusting screw 27 penetrates through the sidewall of the grip holder 13 to be connected to the lifting moving block 26, when the handle of the test racket is not gripped, therefore, the height of the test racket can be adjusted, and the test racket is clamped after the height is adjusted.

Preferably, the control mechanism in this embodiment includes a buckling block 28, the buckling block 28 is installed and sleeved outside the drop hammer rod 21, a telescopic head 29 is disposed in the control box 20 at a position corresponding to the buckling block 28, the telescopic head 29 matches the shape of the buckling block 28, a telescopic rod 30 is disposed on the telescopic head 29, one end of the telescopic rod 30 is connected with the control button 24, one side of the telescopic head 29, which is away from the buckling block 28, is provided with an electromagnetic releaser 31, the electromagnetic releaser 31 is connected with the telescopic head 29, a spring box 32 is sleeved outside the telescopic head 29, a return spring 33 is disposed between the telescopic head 29 and the spring box 32, two ends of the return spring 33 are respectively connected with the telescopic head 29 and the spring box 32, the other end of the telescopic rod 30 is installed on the telescopic head 29, the control button 24 is pressed, the telescopic rod 30 drives the telescopic head 29 to be separated from the buckling block 28, the drop hammer 22 falls, the hammer lever 21 is lifted, the buckling block 28 is buckled with the telescopic head 29 again, and the electric control release can be used, so that the electromagnetic releaser 31 is controlled to pull the telescopic head 29, and the buckling block 28 and the telescopic head 29 are separated.

Correspondingly, the rotary testing mechanism of specific implementation includes rotary clamping block 34, rotary clamping block 34 is established at the one end that falls hammer stem 21 and keeps away from falling hammer 22, rotary clamping block 34 and falling hammer stem 21 fixed connection, rotary clamping block 34 facial make-up is equipped with rotation axis 35, be equipped with the support that matches rotation axis 35 in the control box 20, rotation axis 35 rotates with the support and is connected, support connection angle amplifier 36 is passed through to rotation axis 35 one end, angle amplifier 36 one side is equipped with angle sensor 37, angle amplifier 36 can be a big disc of installing on rotation axis 35, the disc outside is equipped with hall element, hall element cooperation angle sensor 37, rotation axis 35 rotates, utilize the rotatory effect of big disc magnification, can obtain comparatively accurate angle value in angle sensor 37, angle sensor 37 connects display panel 23 in order to show the angle value.

In order to improve the practicability, a support leg 38 is arranged below the bottom plate 11 to adjust balance, and the drop hammer 22 is spherical to avoid the influence of a special structure on a test result.

In the specific using process, firstly, a test racket is placed on the clamping seat 13, the racket face is opposite to the drop hammer 22, the racket position is adjusted, the center of the racket just falls on the lowest point of the drop hammer 22 falling position, the impact force when the drop hammer 22 impacts the racket face is just vertical to the racket face, after the drop hammer 22 and the racket are placed well, the test button is pressed, the drop hammer 22 impacts the racket and rebounds, the rebound angle is read by the angle sensor 37 and recorded and displayed on the display panel 23, then, a plurality of tests are carried out, the rebound angle of the racket is obtained after statistical processing, and the test is completed.

The utility model is used for racket string face bounce-back angular surveying, through drop hammer 22 whereabouts naturally at horizontal position, make the sphere strike in the central authorities of racket string face, have the biggest contained angle with the perpendicular line after the drop hammer 22 bounce-back, snatch the angle of bounce-back through angle sensor 37.

The above embodiments only represent one embodiment of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The racket resilience performance tester is characterized by comprising a bottom plate (11), wherein a racket moving clamping mechanism and a test console are arranged on the bottom plate (11);

the racket moving and clamping mechanism comprises a connecting base plate (12), a clamping seat (13) is arranged on the connecting base plate (12), a fixed seat (14) is arranged on the side surface of the connecting base plate (12), a hand wheel (15) is arranged on one side of the fixed seat (14), a horizontal moving rod (16) is arranged on the fixed seat (14), the hand wheel (15) is connected with the horizontal moving rod (16), the horizontal moving rod (16) penetrates through the fixed seat (14) to be rotatably connected with the fixed seat (14), a connecting block (17) is arranged on the horizontal moving rod (16) close to the connecting base, the horizontal moving rod (16) is in threaded connection with the connecting block (17), the connecting block (17) is fixedly connected with the connecting base, a clamping cavity is arranged in the clamping seat (13;

the test console comprises a stand column (19), a control box (20) is arranged at the upper end of the stand column (19), the control box (20) is arranged on one side of the stand column (19), a hammer falling rod (21) is arranged on the control box (20), a control mechanism and a rotary test mechanism are arranged in the control box (20), the control mechanism is connected with the hammer falling rod (21), a falling hammer (22) is arranged at the end part of the hammer falling rod (21), a display panel (23) is arranged on the control box (20), and a control button (24) is arranged on the control box (20) corresponding to the control mechanism.

2. The racket resilience performance tester according to claim 1, wherein a splint adjusting screw (25) is arranged at the outer side of the clamping seat (13) corresponding to the position of the splint (18), the splint adjusting screw (25) is in threaded connection with the clamping seat (13), the end of the splint adjusting screw (25) is in contact with the splint (18), a lifting moving block (26) is arranged at the bottom inside the clamping seat (13), one end of the lifting moving block (26) penetrates through the side wall of the clamping seat (13), a lifting adjusting screw (27) is arranged at the upper end of the clamping seat (13), and the lifting adjusting screw (27) penetrates through the side wall of the clamping seat (13) and is connected with the lifting moving block (26).

3. The racket resilience performance tester of claim 1, wherein the control mechanism comprises a buckling block (28), the buckling block (28) is sleeved outside the hammer dropping rod (21), a telescopic head (29) is arranged in the control box (20) corresponding to the position of the buckling block (28), the telescopic head (29) is matched with the shape of the buckling block (28), a telescopic rod (30) is arranged on the telescopic head (29), one end of the telescopic rod (30) is connected with the control button (24), an electromagnetic releaser (31) is arranged on one side, away from the buckling block (28), of the telescopic head (29), the electromagnetic releaser (31) is connected with the telescopic head (29), a spring box (32) is sleeved on the outer side of the telescopic head (29), a return spring (33) is arranged between the telescopic head (29) and the spring box (32), two ends of the return spring (33) are respectively connected with the telescopic head (29) and the spring box (32), and the other end of the telescopic rod (30) is arranged on the telescopic.

4. The racket resilience performance tester according to claim 1, wherein the rotation testing mechanism includes a rotation clamping block (34), the rotation clamping block (34) is arranged at one end of the drop hammer rod (21) far away from the drop hammer (22), the rotation clamping block (34) is fixedly connected with the drop hammer rod (21), a rotation shaft (35) is arranged on the rotation clamping block (34), a support matched with the rotation shaft (35) is arranged in the control box (20), the rotation shaft (35) is rotatably connected with the support, one end of the rotation shaft (35) penetrates through the support to be connected with an angle amplifier (36), an angle sensor (37) is arranged on one side of the angle amplifier (36), and the angle sensor (37) is connected with the display panel (23).

5. The racket resilience performance tester of claim 1, characterized in that a support leg (38) is arranged under the bottom plate (11), and the drop hammer (22) is spherical.

6. The racket resilience performance tester according to claim 2, characterized in that a lifting spring is arranged below the lifting moving block (26), the upper end of the lifting spring is connected with the lifting moving block (26), and the lower end of the lifting spring is connected with the bottom of the clamping seat (13).