CN219023198U

CN219023198U - Visual standing long jump evaluation device

Info

Publication number: CN219023198U
Application number: CN202220933711.4U
Authority: CN
Inventors: 佟剑瑞; 费吴俊; 郑芳; 邱宾
Original assignee: Anhui Zhongke Youzhi Technology Co ltd
Current assignee: Anhui Zhongke Youzhi Technology Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2023-05-16
Anticipated expiration: 2032-04-20

Abstract

The utility model provides a visual standing jump evaluation device which comprises a base, a mounting plate arranged on the base, a placing box used for placing a camera and a limiting mechanism used for positioning the camera, wherein the placing box is adjustably arranged on the mounting plate, one side of the placing box is open, the limiting mechanism comprises a placing plate arranged in the placing box, a clamping plate and a pull rod, the clamping plate is arranged above the placing plate, the bottom end of the pull rod penetrates through the placing box and is fixedly connected with the clamping plate, and a buffer spring is sleeved on the pull rod between the clamping plate and a top plate of the placing box. The utility model is convenient for placing the camera by arranging the placing box, and realizes the limit fixation of the camera in the use process of the camera by arranging the limit mechanism, thereby avoiding the position deviation of the camera in use and facilitating the execution of standing long jump evaluation.

Description

Visual standing long jump evaluation device

Technical Field

The utility model relates to the technical field of motion evaluation, in particular to a visual standing-jump evaluation device.

Background

The automatic evaluation of the standing long jump is a test which is required by the national student physical health standard and is required by all primary and middle school students and colleges, and specific action specifications are regulated, so that a very complicated work task is brought to test teachers, the existing test mode mainly depends on manual test grading, subjective deviation, counting and timing errors exist in manual evaluation, and large-scale test is easy to generate work fatigue, and the standard is non-uniform, so that the phenomenon of unfair examination performance is generated.

At present, certain defects exist in the evaluating process, limit fixing of a camera is poor, so that the position of the camera is easy to deviate when in use, the shooting effect of the camera is affected, and the evaluation of standing long jump is not facilitated.

If publication day 2020.11.11, the Chinese patent with the authorized bulletin number of CN 112263804U discloses a standing long jump body test device based on machine vision, and the standing long jump body test device and the application belong to the technical field of automatic testing and evaluation of standing long jump, the utility model patent [ 0021 ] describes that by setting a second camera, when a test taker starts standing long jump, the test taker starts recording a long video, the test taker finishes long jump in the period, and can locate an effective landing frame, and after recording, the test taker is reminded to finish, the operation structure is simple, the automatic test is convenient, the detection precision is accurate, and the detection efficiency is improved.

Disclosure of Invention

The utility model aims to solve the defects and provides a visual standing-jump evaluating device.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a visual standing long jump evaluation device, is in including base, setting mounting panel on the base, be used for placing the box of placing the camera and be used for right the stop gear that the camera was fixed a position, place the box adjustable setting on the mounting panel, one side of placing the box is opened, stop gear is including setting up place the board in the box, set up grip block and the pull rod of placing the board top, the bottom of pull rod passes place box and fixed connection the grip block, the grip block with cover is equipped with buffer spring on the pull rod between the roof of placing the box.

Further, be provided with the mounting groove on the mounting panel, be provided with adjustment mechanism in the mounting groove, adjustment mechanism includes that one end rotates to set up threaded rod, the cover on the groove diapire of mounting groove are established movable plate and the power motor on the threaded rod, the other end of threaded rod passes the groove roof of mounting groove and fixed connection the output of power motor, place the box and be in through the connecting piece setting on the movable plate.

Further, the connecting piece include with movable plate fixed connection's locating plate and set up slewing mechanism on the locating plate, slewing mechanism is including upper and lower interval distribution setting fixed plate, one end rotation setting on one of them on the fixed plate dwang and motor, the other end of dwang passes another fixed plate and fixed connection the output of motor, place the box and fix through the connecting plate on the dwang.

Further, a limiting rod is arranged in the mounting groove, the limiting rod penetrates through the moving plate, and two ends of the limiting rod are respectively arranged on the groove top wall and the groove bottom wall of the mounting groove.

Further, a first bearing is arranged on the bottom wall of the mounting groove, and one end of the threaded rod is rotatably connected with the first bearing.

Further, a placing groove is formed in the placing plate, and a first buffer pad is arranged in the placing groove.

Further, the clamping plate is an arc plate, and a second buffer cushion is arranged at the bottom of the clamping plate.

Further, a second bearing is arranged on the fixed plate, and one end of the rotating rod is rotatably connected with the second bearing.

Furthermore, universal wheels are arranged below the base.

Further, positioning mechanisms are respectively arranged on two sides of the base, and each positioning mechanism comprises a positioning screw rod penetrating through the base and a positioning seat arranged at the lower end of the positioning screw rod.

Compared with the prior art, the utility model has the following beneficial effects: the utility model is convenient for placing the camera by arranging the placing box, and realizes the limit fixation of the camera in the use process of the camera by arranging the limit mechanism, thereby avoiding the position deviation of the camera in use and facilitating the execution of standing long jump evaluation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is a schematic front view of an embodiment of the present utility model.

Fig. 2 is a schematic side view of a placement box according to an embodiment of the present utility model.

Fig. 3 is an enlarged schematic view of the portion a in fig. 1.

Fig. 4 is an enlarged schematic view of the portion B in fig. 1.

In the figure: 1. a base; 2. a mounting plate; 3. placing a box; 4. a limiting mechanism; 41. placing a plate; 42. a clamping plate; 43. a pull rod; 44. a buffer spring; 21. a mounting groove; 5. an adjusting mechanism; 51. a threaded rod; 52. a moving plate; 53. a power motor; 54. a connecting piece; 541. a positioning plate; 542. a rotating mechanism; 501. a fixing plate; 502. a rotating lever; 503. a motor; 22. A limit rod; 23. a first bearing; 411. a placement groove; 412. a first cushion pad; 421. a second cushion pad; 504. a second bearing; 11. a universal wheel; 12. a positioning mechanism; 121. positioning a screw; 122. a positioning seat; 31. and (5) connecting a plate.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. Embodiments and features of embodiments in this application may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if a directional indication (such as up, down, left, right, front, and rear … …) is involved in the embodiment of the present utility model, the directional indication is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional indication is correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, "a plurality of" means two or more. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1-4, the visual standing-jump evaluating device comprises a base 1, a mounting plate 2 arranged on the base 1, a placing box 3 for placing a camera and a limiting mechanism 4 for positioning the camera, wherein the placing box 3 is adjustably arranged on the mounting plate 2, one side of the placing box 3 is open, the limiting mechanism 4 comprises a placing plate 41 arranged in the placing box 3, a clamping plate 42 and a pull rod 43 arranged above the placing plate 41, the bottom end of the pull rod 43 penetrates through the placing box 3 and is fixedly connected with the clamping plate 42, and a buffer spring 44 is sleeved on the pull rod 43 between the clamping plate 42 and a top plate of the placing box 3.

When the device is used, firstly, the base 1 is transferred to a standby position, then the pull rod 43 is pulled outwards, the camera is placed on the placing plate 41 in the placing box 3, the pull rod 43 is loosened, the camera is clamped by the clamping plate 42 under the action of the buffer spring 44, the camera is positioned, the video is recorded by opening the camera to the standing jump of a student, then the video is transmitted to the processor, the video collected by the camera is processed by the processor, scoring is carried out according to the preset standard action specification, and thus the evaluation of the standing jump of the student is realized.

In an embodiment, the mounting plate 2 is provided with a mounting groove 21, an adjusting mechanism 5 is arranged in the mounting groove 21, the adjusting mechanism 5 comprises a threaded rod 51 with one end rotatably arranged on the bottom wall of the mounting groove 21, a moving plate 52 sleeved on the threaded rod 51, and a power motor 53, the other end of the threaded rod 51 penetrates through the top wall of the mounting groove 21 and is fixedly connected with the output end of the power motor 53, and the placing box 3 is arranged on the moving plate 52 through a connecting piece 54. By means of the design, the height of the placement box 3 is convenient to adjust by the aid of the adjusting mechanism 5, and accordingly the height of the camera can be adjusted according to actual needs.

In an embodiment, the connecting piece 54 includes a positioning plate 541 fixedly connected to the moving plate 52 and a rotating mechanism 542 disposed on the positioning plate 541, the rotating mechanism 542 includes fixing plates 501 disposed on the positioning plate 541 in an up-down interval, a rotating rod 502 with one end rotating on one of the fixing plates 501, and a motor 503, the other end of the rotating rod 502 passes through the other fixing plate 501 and is fixedly connected to an output end of the motor 503, and the placing box 3 is fixed on the rotating rod 502 through the connecting plate 31. By arranging the rotating mechanism 542, the camera angle of the placement box 3 can be adjusted by the rotation of the motor 503 in the use process, and the use is convenient.

In an embodiment, a limiting rod 22 is disposed in the mounting groove 21, and the limiting rod 22 passes through the moving plate 52 and two ends of the limiting rod are disposed on the groove top wall and the groove bottom wall of the mounting groove 21 respectively. Through the design, through setting up gag lever post 22, can carry out spacingly to the removal orbit of movable plate 52 for movable plate 52 carries out the motion of vertical direction under the drive of threaded rod 51, realizes promptly to the regulation of camera height.

In an embodiment, a first bearing 23 is disposed on a bottom wall of the mounting groove 21, and one end of the threaded rod 51 is rotatably connected to the first bearing 23. By arranging the first bearing 23 in this way, the threaded rod 51 is convenient to use.

In an embodiment, the placement plate 41 is provided with a placement slot 411, and a first buffer pad 412 is disposed in the placement slot 411. By means of the design, the placing groove 411 is arranged, the camera is placed conveniently, the buffer effect is provided for the camera by the aid of the first buffer pad 412, and damage to the camera caused by the clamping plate 42 in the process of limiting the camera is avoided.

In an embodiment, the clamping plate 42 is an arc plate, and a second buffer pad 421 is disposed at the bottom of the clamping plate 42. By means of the design, the clamping plate 42 is arranged to be an arc plate, so that the camera is clamped and limited conveniently, and the damage to the camera caused by the clamping plate 42 is further avoided by the arrangement of the second buffer pad 421.

In an embodiment, the fixing plate 501 is provided with a second bearing 504, and one end of the rotating rod 502 is rotatably connected to the second bearing 504. By such a design, the use of the rotation lever 502 is facilitated by the provision of the second bearing 504.

In one embodiment, a universal wheel 11 is disposed below the base 1. By means of the design, the universal wheels 11 are arranged, the position of the base 1 is convenient to adjust, and therefore the position of the camera is convenient to adjust according to actual needs.

In an embodiment, positioning mechanisms 12 are respectively disposed on two sides of the base 1, and the positioning mechanisms 12 include a positioning screw 121 penetrating through the base 1 and a positioning seat 122 disposed at a lower end of the positioning screw 121. By means of the design, the base 1 can be limited and fixed through the positioning mechanism 12, and therefore the structural stability of the camera in the use process is guaranteed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A visual standing long jump evaluation device, characterized in that: including base (1), setting are in mounting panel (2) on base (1), be used for placing box (3) of camera and be used for right the stop gear (4) that the camera was fixed a position, place box (3) adjustable setting and be in on mounting panel (2), one side of placing box (3) is opened, stop gear (4) are including setting up place board (41), setting up in placing board (41) top grip block (42) and pull rod (43), the bottom of pull rod (43) is passed place box (3) and fixed connection grip block (42), grip block (42) with the cover is equipped with buffer spring (44) on pull rod (43) between the roof of placing box (3).

2. The visual standing jump assessment device as recited in claim 1, wherein: be provided with mounting groove (21) on mounting panel (2), be provided with adjustment mechanism (5) in mounting groove (21), adjustment mechanism (5) are in including one end rotation setting threaded rod (51) on the groove diapire of mounting groove (21), cover are established movable plate (52) and power motor (53) on threaded rod (51), the other end of threaded rod (51) passes the groove roof of mounting groove (21) and fixed connection the output of power motor (53), place box (3) and be in through connecting piece (54) set up on movable plate (52).

3. The visual standing jump assessment device as recited in claim 2, wherein: the connecting piece (54) comprises a locating plate (541) fixedly connected with the moving plate (52) and a rotating mechanism (542) arranged on the locating plate (541), wherein the rotating mechanism (542) comprises a fixed plate (501) arranged on the locating plate (541) at intervals up and down, a rotating rod (502) and a motor (503) which are arranged on one of the fixed plates (501) in a rotating mode, the other end of the rotating rod (502) penetrates through the other fixed plate (501) and is fixedly connected with the output end of the motor (503), and the placing box (3) is fixed on the rotating rod (502) through a connecting plate (31).

4. The visual standing jump assessment device as recited in claim 2, wherein: a limiting rod (22) is arranged in the mounting groove (21), and the limiting rod (22) penetrates through the moving plate (52) and two ends of the limiting rod are respectively arranged on the groove top wall and the groove bottom wall of the mounting groove (21).

5. The visual standing jump assessment device as recited in claim 2, wherein: a first bearing (23) is arranged on the bottom wall of the mounting groove (21), and one end of the threaded rod (51) is rotatably connected with the first bearing (23).

6. The visual standing jump assessment device as recited in any one of claims 1-5, wherein: the placing plate (41) is provided with a placing groove (411), and a first buffer pad (412) is arranged in the placing groove (411).

7. The visual standing jump assessment device as recited in any one of claims 1-5, wherein: the clamping plate (42) is an arc plate, and a second buffer pad (421) is arranged at the bottom of the clamping plate (42).

8. The visual standing jump assessment device as recited in claim 3, wherein: a second bearing (504) is arranged on the fixed plate (501), and one end of the rotating rod (502) is rotatably connected with the second bearing (504).

9. The visual standing jump assessment device as recited in any one of claims 1-5, wherein: and a universal wheel (11) is arranged below the base (1).

10. The visual standing jump assessment device as recited in claim 9, wherein: positioning mechanisms (12) are respectively arranged on two sides of the base (1), and each positioning mechanism (12) comprises a positioning screw rod (121) penetrating through the base (1) and a positioning seat (122) arranged at the lower end of each positioning screw rod (121).