CN113491874A - Automatic tester for middle-distance running - Google Patents
Automatic tester for middle-distance running Download PDFInfo
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- CN113491874A CN113491874A CN202110815033.1A CN202110815033A CN113491874A CN 113491874 A CN113491874 A CN 113491874A CN 202110815033 A CN202110815033 A CN 202110815033A CN 113491874 A CN113491874 A CN 113491874A
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0686—Timers, rhythm indicators or pacing apparatus using electric or electronic means
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- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention is suitable for the technical field of physical fitness test, and provides a middle-distance running automatic tester, which comprises a driving supporting section, a driven supporting section and a connecting section, wherein a photoelectric receiver and a photoelectric emitter which are correspondingly arranged are respectively arranged between the driving supporting section and the driven supporting section, and the driving supporting section comprises: the first connecting rod is arranged at one end of the connecting section; the first supporting sliding rod is fixed on the first connecting rod; the first support sliding sleeve is connected with the first support sliding rod in a sliding mode and is provided with a sliding groove matched with the first support sliding rod; the first moving unit is fixed at the bottom of the first supporting sliding sleeve; and a driving unit for driving the first support slide bar to move; the driven supporting section can synchronously stretch and retract along with the first connecting rod through the connecting section; the connecting section can adjust the whole length of the connecting section, so that the connecting section is convenient to disassemble and transport.
Description
Technical Field
The invention belongs to the technical field of physical fitness tests, and particularly relates to an automatic tester for a middle-distance race.
Background
The middle and long distance running test is one of the important items in the physical fitness test of schools or other events. Because the number of testers is large, the testing time is concentrated, and a timer needs to keep attention for a long time, the manual timing has the defects of low timing efficiency, low accuracy and high labor intensity of the timer during the test of multiple testers.
Therefore, the market is beginning to present a middle and long distance running tester for solving the problem, such as chinese patent CN106097477A, the invention can adjust the height of the whole body, and then determine the time of the movement reaching the focus by the athlete carrying a photoelectric emitter and a photoelectric receiver mounted on an L-shaped connecting rod.
However, the devices lack flexibility, are inconvenient to disassemble and adjust, and are inconvenient to transport due to the low frequency of the middle-distance running test and the fixed running place.
Disclosure of Invention
The embodiment of the invention aims to provide a middle-distance running automatic tester, and aims to solve the problems that the existing middle-distance running automatic tester is inconvenient to disassemble and adjust and transport due to lack of flexibility.
The embodiment of the invention is realized in such a way that the automatic tester for the middle and long distance running comprises a driving supporting section, a driven supporting section and a connecting section, wherein the connecting section is movably connected with the driving supporting section and the driven supporting section, a photoelectric receiver and a photoelectric emitter which are correspondingly arranged are respectively arranged between the driving supporting section and the driven supporting section, and the driving supporting section comprises:
the first connecting rod is arranged at one end of the connecting section;
a first support slide bar fixed to the first connecting bar;
the first support sliding sleeve is connected with the first support sliding rod in a sliding mode, and a sliding groove matched with the first support sliding rod is formed in the first support sliding sleeve;
the first moving unit is fixed at the bottom of the first supporting sliding sleeve; and
the driving unit is used for driving the first supporting sliding rod to move;
the driven supporting section can synchronously stretch and retract along with the first connecting rod through the connecting section;
the connecting section can adjust the whole length of the connecting section.
Preferably, the first mobile unit includes:
the base is fixed at the bottom of the first support sliding sleeve; and
the universal wheel with the brake is installed on the base, and the number of the universal wheel with the brake is not less than two.
Preferably, the driven support section comprises:
the second connecting rod is arranged at one end, far away from the active supporting section, of the connecting section;
a second support slide bar fixed to the second connecting bar;
the second support sliding sleeve is connected with the second support sliding rod in a sliding manner; and
and the second moving unit is fixed at the bottom of the second support sliding sleeve, and the second moving unit has the same structure as the first moving unit.
Preferably, the driving unit includes:
the first toothed bar is positioned in the sliding groove and is arranged on the side wall of the first support sliding sleeve;
the gear is rotationally arranged on the first support sliding sleeve and is meshed with the first toothed bar, and the first support sliding sleeve is provided with a through groove for the gear to pass through; and
and the rotating mechanism is used for driving the gear to rotate.
Preferably, the gear axle center runs through and fixedly connected with pivot, the pivot both ends are rotated and are connected with and are fixed in connecting plate on the first sliding sleeve that supports.
Preferably, the rotating mechanism includes:
the second rack bar is meshed with the gear and is positioned on one side, far away from the first support sliding sleeve, of the gear;
one end of the limiting rod is fixed on the bottom of the second toothed bar, and the other end of the limiting rod is connected with the first support sliding sleeve in a sliding manner;
one end of the elastic rope is hung on the first connecting rod, and the other end of the elastic rope is fixed on the second toothed bar;
the extrusion plate is fixed on one side, away from the gear, of the second gear rod; and
and the fixing component is used for fixing the extrusion plate and the base.
Preferably, the fixing assembly comprises:
the fixing seat is fixed at the bottom of the extrusion plate, and the lowest end of the fixing seat is lower than the limiting rod;
the gear is arranged in the base and matched with the fixed seat;
the fixture block is arranged in the base in a sliding mode, the moving direction of the fixture block is perpendicular to the fixed base, and the base is provided with a sliding cavity matched with the fixture block;
the elastic piece is used for connecting the bottom of the sliding cavity with the clamping block;
one end of the clamping block, which is far away from the elastic piece, extends into the fixing groove, and the upper surface and the lower surface of one end of the elastic piece, which is positioned in the fixing groove, are inclined planes;
the fixing seat is provided with a clamping groove matched with the clamping block.
Preferably, the connection section includes:
the screw sleeve is arranged between the top ends of the driving supporting section and the driven supporting section;
the screw rods are symmetrically arranged at two ends of the screw sleeve and are in threaded connection with the screw sleeve, and the rotation directions of the two screw rods are opposite; and
and one end of each nested block is fixed at one end of the screw rod, which is far away from the threaded sleeve, and the other ends of the two nested blocks are respectively nested in the first connecting rod and the second connecting rod.
According to the automatic tester for the middle and long distance running, the driving support section, the driven support section and the connecting section are arranged, when the tester needs to be used, the driving unit drives the first support slide rod to move, the first support slide rod drives the first connecting rod to drive the connecting section to move upwards, the connecting section drives the driven support section to move, the overall height is adjusted, the overall length of the connecting section is adjusted, the effect of adjusting the overall width of the tester is achieved, the tester is suitable for runways with different widths, when the tester needs to be disassembled, the disassembling can be completed only by driving the first support slide rod to be separated from the first support sliding sleeve through the rotating mechanism, the disassembling is rapid and convenient, the timely transferring is convenient, and the tester is suitable for various match environments.
Drawings
Fig. 1 is a schematic structural diagram of an automatic middle-distance running tester according to an embodiment of the present invention;
FIG. 2 is a schematic view of the connection between the gear and the first support sliding sleeve in the middle-distance running automatic tester according to the embodiment of the present invention;
FIG. 3 is an enlarged view of FIG. 1 at A;
FIG. 4 is an enlarged view of FIG. 1 at B;
fig. 5 is a three-dimensional structural diagram of a fixture block in the middle-distance run automatic tester according to an embodiment of the present invention.
In the drawings: 100. an active support section; 1. a first support slide 1; 2. a first support sliding sleeve 2; 3. a first rack 3; 4. a gear 4; 5. a second rack bar 5; 6. an elastic cord 6; 7. a squeeze plate 7; 8. a fixed seat 8; 9. a fixing groove 9; 10. a fixture block 10; 11. a slide chamber 11; 12. an elastic member 12; 13. a card slot 13; 14. a base 14; 15. universal wheels 15 with brakes; 16. a first connecting rod 16; 200. a driven support section; 17. a second connecting rod 17; 18. a second support slide 18; 19. a second supporting sliding sleeve 19; 20. a second mobile unit 20; 300. a connecting section; 21. a screw sleeve 21; 22. a screw 22; 23. a nesting block 23; 24. a photoelectric receiver 24; 25. a photo emitter 25; 26. a connecting plate 26; 27. a rotating shaft 27; 28. a stop bar 28.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a schematic structural diagram of a middle-distance run automatic tester provided for an embodiment of the present invention includes an active support section 100, a driven support section 200, and a connection section 300, where the connection section 300 is movably connected to the active support section 100 and the driven support section 200, and a photoelectric receiver 24 and a photoelectric emitter 25 are installed between the active support section 100 and the driven support section 200, respectively, and the active support section 100 includes:
a first connecting rod 16, wherein the first connecting rod 16 is arranged at one end of the connecting section 300;
a first support slide 1, said first support slide 1 being fixed on said first connecting rod 16;
the first support sliding sleeve 2 is connected with the first support sliding rod 1 in a sliding mode, and the first support sliding sleeve 2 is provided with a sliding groove matched with the first support sliding rod 1;
the first moving unit is fixed at the bottom of the first support sliding sleeve 2; and
the driving unit is used for driving the first supporting slide bar 1 to move;
the driven supporting section 200 can be synchronously telescopic following the first connecting rod 16 through the connecting section 300;
the connecting section 300 can adjust its entire length.
In the embodiment of the invention, when the tester needs to be used, the first supporting slide bar 1 is driven to move by the driving unit, the first supporting slide bar 1 drives the first connecting rod 16 to drive the connecting section 300 to move upwards, the connecting section 300 drives the driven supporting section 200 to move, so that the overall height is adjusted, then the overall width of the tester is adjusted by adjusting the overall length of the connecting section 300, so that the tester is suitable for runways with different widths, and when the tester needs to be disassembled, the disassembling can be completed only by driving the first supporting slide bar 1 to be separated from the first supporting sliding sleeve 2 by a rotating mechanism, so that the disassembling is quick and convenient.
In one case of this embodiment, the first mobile unit includes:
the base 14 is fixed at the bottom of the first support sliding sleeve 2; and
area brake universal wheel 15, area brake universal wheel 15 is installed on the base 14, area brake universal wheel 15's quantity is not less than two.
As shown in fig. 1, as another preferred embodiment of the present invention, the driven support section 200 includes:
a second connecting rod 17, wherein the second connecting rod 17 is arranged at one end of the connecting section 300 far away from the active support section 100;
a second supporting slide bar 18, said second supporting slide bar 18 being fixed on said second connecting rod 17;
a second support sliding sleeve 19, wherein the second support sliding sleeve 19 is slidably connected with the second support sliding rod 18; and
and the second moving unit 20, the second moving unit 20 is fixed at the bottom of the second support sliding sleeve 19, and the second moving unit 20 has the same structure as the first moving unit.
In the embodiment of the present invention, when the connecting section 300 moves upward, the connecting section 300 drives the second connecting rod 17 to drive the second supporting slide bar 18 to move upward, and the second supporting slide bar 18 slides along the second supporting slide sleeve 19, so as to form a stable bracket shape.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, the driving unit includes:
the first toothed bar 3 is positioned in the sliding groove and is arranged on the side wall of the first support sliding sleeve 2;
the gear 4 is rotatably arranged on the first support sliding sleeve 2, the gear 4 is meshed with the first rack bar 3, and the first support sliding sleeve 2 is provided with a through groove for the gear 4 to pass through; and
and the rotating mechanism is used for driving the gear 4 to rotate.
In the embodiment of the invention, firstly, the gear 4 is driven to rotate by the rotating mechanism, and the gear 4 drives the first toothed bar 3 to move, so that the first support sliding bar 1 can be driven to move, the relative position of the first support sliding bar 1 and the first support sliding sleeve 2 is convenient to adjust, and the function of adjusting the height is achieved.
In one aspect of this embodiment, the axis of the gear 4 penetrates through and is fixedly connected with a rotating shaft 27, and two ends of the rotating shaft 27 are rotatably connected with connecting plates 26 fixed on the first supporting sliding sleeve 2.
As shown in fig. 1, as another preferred embodiment of the present invention, the rotating mechanism includes:
the second rack bar 5 is meshed with the gear 4 and is positioned on one side, away from the first support sliding sleeve 2, of the gear 4;
one end of the limiting rod 28 is fixed on the bottom of the second rack bar 5, and the other end of the limiting rod 28 is connected with the first support sliding sleeve 2 in a sliding manner;
one end of the elastic rope 6 is hung on the first connecting rod 16, and the other end of the elastic rope 6 is fixed on the second rack bar 5;
the pressing plate 7 is fixed on one side, away from the gear 4, of the second gear rod 5; and
a fixing assembly for fixing the pressing plate 7 and the base 14.
In the embodiment of the present invention, a person sits on the squeezing plate 7, or presses the squeezing plate 7 with a heavy object, so that the squeezing plate 7 moves downward, the squeezing plate 7 drives the second rack bar 5 to move downward, one side of the second rack bar 5 moves downward along the first support sliding sleeve 2 through the limiting rod 28, the other side pulls the elastic cord 6, the second rack bar 5 moves to drive the gear 4 to rotate, the gear 4 drives the first rack bar 3 to move, and the first rack bar 3 drives the first support sliding rod 1 to move until the squeezing plate 7 is fixed with the base 14 through a fixing component.
As shown in fig. 1, 3 and 4, as another preferred embodiment of the present invention, the fixing assembly includes:
the fixing seat 8 is fixed at the bottom of the extrusion plate 7, and the lowest end of the fixing seat 8 is lower than the limiting rod 28;
the gear 4 is arranged in the base 14 and is matched with the fixed seat 8;
the fixture block 10 is slidably arranged in the base 14, the moving direction of the fixture block 10 is perpendicular to the fixed seat 8, and the base 14 is provided with a sliding cavity 11 matched with the fixture block 10;
the elastic piece 12 is used for connecting the bottom of the sliding cavity 11 with the fixture block 10;
as shown in fig. 5, one end of the latch 10 away from the elastic element 12 extends into the fixing groove 9, and the upper and lower surfaces of one end of the elastic element 12 in the fixing groove 9 are inclined surfaces;
the fixed seat 8 is provided with a clamping groove 13 matched with the clamping block 10.
In the embodiment of the present invention, when the pressing plate 7 drives the fixing seat 8 to move downward, the fixing seat 8 is nested in the fixing groove 9, and at this time, the fixing seat 8 presses the inclined surface on the upper side of the clamping block 10, so that the clamping block 10 is retracted into the groove 11, and when the clamping groove 13 is located at a predetermined position, the clamping block 10 is nested in the clamping groove 13 under the elastic force of the elastic member 12, so as to fix the fixing seat 8.
The elastic member 12 may be not only a spring as shown in fig. 4, but also other elastic articles such as an elastic rubber sleeve, which is not limited herein.
As shown in fig. 1, as another preferred embodiment of the present invention, the connection segment 300 includes:
the screw sleeve 21 is arranged between the top ends of the driving support section 100 and the driven support section 200;
the screws 22 are symmetrically arranged at two ends of the screw sleeve 21 and are in threaded connection with the screw sleeve, and the rotation directions of the two screws 22 are opposite; and
one end of each nesting block 23 is fixed at one end of the screw 22 far away from the threaded sleeve 21, and the other ends of the two nesting blocks 23 are nested in the first connecting rod 16 and the second connecting rod 17 respectively.
In the embodiment of the present invention, by inserting the two nesting blocks 23 into the first connecting rod 16 and the second connecting rod 17, respectively, and then rotating the threaded sleeves 21, the threaded sleeves 21 drive the two threaded rods 22 to approach or move away from each other, thereby increasing the overall length of the connecting section 300, and the threaded rods 22 drive the nesting blocks 23, thereby enlarging the distance between the driving support section 100 and the driven support section 200, thereby adapting to runways of different widths.
The embodiment of the invention provides an automatic tester for middle and long distance running, by arranging the driving support section 100, the driven support section 200 and the connecting section 300, when the tester needs to be used, the driving unit drives the first support slide bar 1 to move, the first support slide bar 1 drives the first connecting rod 16 to drive the connecting section 300 to move upwards, the connecting section 300 drives the driven support section 200 to move, so that the overall height is adjusted, then, the overall length of the connecting section 300 is adjusted, the effect of adjusting the overall width of the tester is achieved, the tester is suitable for runways with different widths, when the tester needs to be disassembled, the disassembling can be completed only by driving the first support slide bar 1 to be separated from the first support sliding sleeve 2 through a rotating mechanism, the disassembling is rapid and convenient, the tester is convenient to transfer in time, and is suitable for various competition environments.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a well long-distance running automatic tester, its characterized in that, supports section and linkage segment including initiative, driven, the linkage segment with initiative support section, driven support section swing joint, install photoelectric receiver and the photoelectric transmitter who corresponds the setting between initiative support section and the driven support section respectively, the initiative support section includes:
the first connecting rod is arranged at one end of the connecting section;
a first support slide bar fixed to the first connecting bar;
the first support sliding sleeve is connected with the first support sliding rod in a sliding mode, and a sliding groove matched with the first support sliding rod is formed in the first support sliding sleeve;
the first moving unit is fixed at the bottom of the first supporting sliding sleeve; and
the driving unit is used for driving the first supporting sliding rod to move;
the driven supporting section can synchronously stretch and retract along with the first connecting rod through the connecting section;
the connecting section can adjust the whole length of the connecting section.
2. The mid-range running automatic tester according to claim 1, wherein the first moving unit includes:
the base is fixed at the bottom of the first support sliding sleeve; and
the universal wheel with the brake is installed on the base, and the number of the universal wheel with the brake is not less than two.
3. The midrange run automatic tester of claim 2, wherein the driven support section comprises:
the second connecting rod is arranged at one end, far away from the active supporting section, of the connecting section;
a second support slide bar fixed to the second connecting bar;
the second support sliding sleeve is connected with the second support sliding rod in a sliding manner; and
and the second moving unit is fixed at the bottom of the second support sliding sleeve, and the second moving unit has the same structure as the first moving unit.
4. The mid-range run automatic tester according to claim 2, wherein the driving unit comprises:
the first toothed bar is positioned in the sliding groove and is arranged on the side wall of the first support sliding sleeve;
the gear is rotationally arranged on the first support sliding sleeve and is meshed with the first toothed bar, and the first support sliding sleeve is provided with a through groove for the gear to pass through; and
and the rotating mechanism is used for driving the gear to rotate.
5. The automatic tester for middle-distance running according to claim 4, wherein the axis of the gear penetrates through and is fixedly connected with a rotating shaft, and two ends of the rotating shaft are rotatably connected with connecting plates fixed on the first supporting sliding sleeve.
6. The midrange running automatic tester according to claim 4, wherein the rotation mechanism includes:
the second rack bar is meshed with the gear and is positioned on one side, far away from the first support sliding sleeve, of the gear;
one end of the limiting rod is fixed on the bottom of the second toothed bar, and the other end of the limiting rod is connected with the first support sliding sleeve in a sliding manner;
one end of the elastic rope is hung on the first connecting rod, and the other end of the elastic rope is fixed on the second toothed bar;
the extrusion plate is fixed on one side, away from the gear, of the second gear rod; and
and the fixing component is used for fixing the extrusion plate and the base.
7. The midrange run automatic tester of claim 6, wherein the fixing assembly comprises:
the fixing seat is fixed at the bottom of the extrusion plate, and the lowest end of the fixing seat is lower than the limiting rod;
the gear is arranged in the base and matched with the fixed seat;
the fixture block is arranged in the base in a sliding mode, the moving direction of the fixture block is perpendicular to the fixed base, and the base is provided with a sliding cavity matched with the fixture block;
the elastic piece is used for connecting the bottom of the sliding cavity with the clamping block;
one end of the clamping block, which is far away from the elastic piece, extends into the fixing groove, and the upper surface and the lower surface of one end of the elastic piece, which is positioned in the fixing groove, are inclined planes;
the fixing seat is provided with a clamping groove matched with the clamping block.
8. The midrange running automatic tester according to claim 3, wherein the connection section includes:
the screw sleeve is arranged between the top ends of the driving supporting section and the driven supporting section;
the screw rods are symmetrically arranged at two ends of the screw sleeve and are in threaded connection with the screw sleeve, and the rotation directions of the two screw rods are opposite; and
and one end of each nested block is fixed at one end of the screw rod, which is far away from the threaded sleeve, and the other ends of the two nested blocks are respectively nested in the first connecting rod and the second connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110815033.1A CN113491874A (en) | 2021-07-19 | 2021-07-19 | Automatic tester for middle-distance running |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110815033.1A CN113491874A (en) | 2021-07-19 | 2021-07-19 | Automatic tester for middle-distance running |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113491874A true CN113491874A (en) | 2021-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110815033.1A Pending CN113491874A (en) | 2021-07-19 | 2021-07-19 | Automatic tester for middle-distance running |
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| Country | Link |
|---|---|
| CN (1) | CN113491874A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106204787A (en) * | 2016-06-22 | 2016-12-07 | 安庆海纳信息技术有限公司 | A kind of physical culture middle-distance race auto testing instrument |
| CN108013924A (en) * | 2017-12-27 | 2018-05-11 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | A kind of fracture fixation pilot pin |
| CN211260294U (en) * | 2020-01-07 | 2020-08-14 | 深圳市创义信光电科技有限公司 | Liquid crystal display screen capable of preventing collision and overturning |
| CN211600122U (en) * | 2020-03-03 | 2020-09-29 | 杜风丽 | Multipurpose clinical inspection device |
| CN212789714U (en) * | 2020-06-17 | 2021-03-26 | 吉林省国创未来智能科技有限公司 | Long distance running test equipment |
-
2021
- 2021-07-19 CN CN202110815033.1A patent/CN113491874A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106204787A (en) * | 2016-06-22 | 2016-12-07 | 安庆海纳信息技术有限公司 | A kind of physical culture middle-distance race auto testing instrument |
| CN108013924A (en) * | 2017-12-27 | 2018-05-11 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | A kind of fracture fixation pilot pin |
| CN211260294U (en) * | 2020-01-07 | 2020-08-14 | 深圳市创义信光电科技有限公司 | Liquid crystal display screen capable of preventing collision and overturning |
| CN211600122U (en) * | 2020-03-03 | 2020-09-29 | 杜风丽 | Multipurpose clinical inspection device |
| CN212789714U (en) * | 2020-06-17 | 2021-03-26 | 吉林省国创未来智能科技有限公司 | Long distance running test equipment |
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Application publication date: 20211012 |
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