CN111054047B - Fast wiring tape laying device and method for track and field sprinting - Google Patents
Fast wiring tape laying device and method for track and field sprinting Download PDFInfo
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- CN111054047B CN111054047B CN202010008746.2A CN202010008746A CN111054047B CN 111054047 B CN111054047 B CN 111054047B CN 202010008746 A CN202010008746 A CN 202010008746A CN 111054047 B CN111054047 B CN 111054047B
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- cutting
- punching belt
- driving motor
- laying
- wire
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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
- A63B71/0616—Means for conducting or scheduling competition, league, tournaments or rankings
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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
- A63B71/02—Games or sports accessories not covered in groups A63B1/00 - A63B69/00 for large-room or outdoor sporting games
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/10—Making cuts of other than simple rectilinear form
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- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
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Abstract
The invention provides a device and a method for quickly arranging a wire punching belt for track and field sprinting, wherein the device comprises a connecting rod, a base and a wire punching belt installation component, the wire punching belt installation component comprises a driving motor, a connecting pipe, an installation rod and an angle sensor, when the angle sensor detects that the self-rotation angle of the installation rod is greater than a preset threshold value, the driving motor is started for a preset time length, and the driving motor drives the installation rod to reversely rotate through the connecting pipe; the adoption sets up angle sensor on the installation pole, and when angle sensor detected the rotation angle of installation pole and is greater than predetermineeing the threshold value, driving motor starts and predetermines for a long time, and driving motor passes through the connecting pipe and drives installation pole antiport's mode for dash line area not only receives sportsman's impact force at cracked in-process, still receives driving motor and drives the pulling force that installation pole antiport produced, makes dash line area easy fracture.
Description
Technical Field
The invention relates to the technical field of track and field sports, in particular to a quick laying device and a laying method for a line punching belt for track and field sprinting.
Background
The line punching belt is a common sports article, is often required to be used in track and field competitions, needs to be straightened when used, is generally straightened by two workers by hands and then is pulled all the time, so that the labor intensity of the workers is high; in addition, the device for laying the line punching belt in the prior art only has the functions of fixing and laying the line punching belt, and the line punching belt is not easy to break due to the fact that the device cannot assist the fracture work of the line punching belt, so that the line punching belt causes the problem that the line punching belt laying device is displaced and topples over, and athletes are still stumbled and injured by the line punching belt in serious cases.
Disclosure of Invention
The invention aims to provide a quick laying device and a laying method of a wire punching belt for track and field sprinting, which have the advantages of high laying speed of the wire punching belt and easy breakage of the wire punching belt, aiming at the defects and the defects of the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a fast wiring device of a wire punching belt for track and field sprinting, which comprises a connecting rod, a base and a wire punching belt installation component, wherein the base and the wire punching belt installation component are respectively connected with two ends of the connecting rod, the base is used for fixing the connecting rod, the wire punching belt installation component comprises a driving motor, a connecting pipe, an installation rod and an angle sensor, the driving motor is connected with the connecting rod, an output shaft of the driving motor is detachably and fixedly connected with one end of the connecting pipe, a first ratchet is arranged on the inner wall of the other end of the connecting pipe, a second ratchet and a wire punching belt winding are respectively arranged on the outer wall of the installation rod and positioned at two axial ends of the installation rod, the second ratchet and the first ratchet are matched to form a ratchet structure, the rotation direction of the output shaft is opposite to the rotation direction of the installation rod, the angle sensor is arranged on the installation, when the angle sensor detects that the rotation angle of the installation rod is larger than a preset threshold value, the driving motor is started for a preset time, and the driving motor drives the installation rod to rotate reversely through the connecting pipe.
Preferably, the driving motor is connected with a mounting seat, and the mounting seat is detachably connected with the connecting rod.
Preferably, the middle part of the mounting rod is provided with a ring-shaped partition plate, and the second ratchet and the punching belt winding are positioned on two sides of the ring-shaped partition plate.
Preferably, the installation seat is provided with a support in a detachable mode, the support is provided with a limiting plate, the limiting plate is provided with a limiting hole for the installation rod to penetrate, the annular partition plate is located below the limiting hole, and the diameter of the limiting hole is smaller than that of the annular partition plate.
Preferably, angle sensor's stiff end is installed on the mounting panel, just the mounting panel with the support is connected, angle sensor's sense terminal with the tip of installation pole is connected.
Preferably, the preset threshold is 2-3 degrees, and the preset time length is 5s-10 s.
Preferably, the saw-tooth cutting device further comprises a saw-tooth cutting assembly, wherein the saw-tooth cutting assembly comprises a first cutting blade and a second cutting blade which are matched with each other, saw teeth are arranged on the first cutting blade, and small holes for the tips of the saw teeth to penetrate through are formed in the second cutting blade; when the sawtooth cutting assembly is installed on the quick laying device, the first cutting piece and the second cutting piece are respectively arranged on the bracket in a deformable and opposite mode, and the first cutting piece and the second cutting piece are arranged along the length direction of the line punching belt; when the sawtooth cutting assembly is matched with the rapid layout device for use, the first cutting piece and the second cutting piece are of deformable integrally-formed structures.
Preferably, the first cutting blade and the second cutting blade are both elastic steel blades.
The invention also provides a layout method of the fast layout device of the wire punching belt for track and field sprinting, which comprises the following steps,
preparation work: assembling the base, the connecting rod and the punching tape mounting assembly to form a punching tape rapid layout device;
laying: the wire punching belt winding is rotatably arranged on the mounting rod, and the other end of the wire punching belt winding is fixedly or rotatably arranged on the mounting rod of the other wire punching belt rapid distribution device; the base is fixedly placed on the ground, and a line punching belt with a certain length is adjusted to complete the layout work;
when the angle sensor detects that the self-rotation angle of the mounting rod is larger than a preset threshold value, the driving motor is started for a preset time, the driving motor drives the mounting rod to rotate reversely through the connecting pipe, and the line punching belt is broken under the combined action of impact force of athletes and reverse tension force of the driving motor.
Preferably, cutting lines are arranged on the line punching belt at intervals; or cutting two ends of the punching line belt in the laying work by using a sawtooth cutting assembly, wherein the sawtooth cutting assembly comprises a first cutting sheet and a second cutting sheet which are matched for use, sawteeth are arranged on the first cutting sheet, and small holes for the tips of the sawteeth to penetrate through are formed in the second cutting sheet; when the sawtooth cutting assembly is installed on the quick laying device, the first cutting piece and the second cutting piece are respectively arranged on the bracket in a deformable and opposite mode, and the first cutting piece and the second cutting piece are arranged along the length direction of the line punching belt; when the sawtooth cutting assembly is matched with the rapid layout device for use, the first cutting piece and the second cutting piece are of deformable integrally-formed structures.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the rapid wiring device for the wire punching belt for track and field sprinting, the connecting pipe is connected with the mounting rod through the ratchet structure, when the wire punching belt wound on the mounting rod is pulled, the mounting rod rotates relative to the connecting pipe under the action of the pulling force, and the wiring work of the wire punching belt is facilitated; furthermore, the adoption sets up angle sensor on the installation pole, and when angle sensor detected the rotation angle of installation pole and is greater than predetermineeing the threshold value, driving motor starts and predetermines for a long time, and driving motor passes through the connecting pipe and drives installation pole antiport's mode for dash the line area at cracked in-process, not only receive sportsman's impact force, still receive driving motor and drive the pulling force that installation pole antiport produced, make dash the line area and split easily.
2. The rapid laying device for the wire punching belt for track and field sprinting, provided by the invention, adopts a mode of arranging the sawtooth cutting assembly, so that the wire punching belt can be cut, and the fracture of the wire punching belt is further promoted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the device for rapidly arranging the wire punching belt for track and field sprinting according to the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 with the base and the connecting rod removed;
FIG. 3 is a partial schematic view (one) of FIG. 2;
FIG. 4 is a partial structural schematic view (II) of FIG. 2;
the device comprises a connecting rod 1, a driving motor 2, a connecting pipe 3, a mounting rod 4, an angle sensor 5, a first ratchet 6, a second ratchet 7, a line punching belt winding 8, a mounting seat 9, a ring-shaped partition plate 10, a support 11, a first cutting sheet 12, a second cutting sheet 13, a sawtooth 14, a small hole 15, a base 16, a limiting plate 17 and a mounting plate 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a quick laying device and a laying method of a wire punching belt for track and field sprinting, which have the advantages of high laying speed of the wire punching belt and easy breakage of the wire punching belt, aiming at the defects and the defects of the prior art.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1-4, the invention provides a device for quickly laying a wire punching belt for track and field sprinting, which comprises a connecting rod 1, and a base 16 and a wire punching belt installation component which are respectively connected with two ends of the connecting rod 1, wherein the base 16 is used for fixing the connecting rod 1, the wire punching belt installation component comprises a driving motor 2, a connecting pipe 3, an installation rod 4 and an angle sensor 5, the driving motor 2 is connected with the connecting rod 1, an output shaft of the driving motor 2 is detachably and fixedly connected with one end of the connecting pipe 3, a first ratchet 6 is arranged on the inner wall of the other end of the connecting pipe 3, a second ratchet 7 and a wire punching belt winding 8 are respectively arranged on the outer wall of the installation rod 4 and positioned at two axial ends of the installation rod 4, the second ratchet 7 and the first ratchet 6 are matched to form a ratchet structure, the rotation direction of the output shaft is opposite to the rotation direction of the installation rod 4, the angle, when the angle sensor 5 detects that the rotation angle of the installation rod 4 is greater than a preset threshold value, the driving motor 2 is started for a preset time, and the driving motor 2 drives the installation rod 4 to rotate reversely through the connecting pipe 3.
The base 16 has various structures as long as the device can be kept in a vertical state, such as a disc shape, a three-claw shape, a four-claw shape and the like, and a tip capable of being inserted into the ground can be arranged; the driving motor 2 and the angle sensor 5 are devices existing in the prior art, and therefore are not limited specifically, the driving motor 2 and the angle sensor 5 are electrically connected with an existing industrial personal computer, and meanwhile, the driving motor 2, the angle sensor 5 and the industrial personal computer are all connected with a power supply, after a line punching belt is arranged, the driving motor 2, the angle sensor 5 and the industrial personal computer are supplied with the power supply through a switch, when the angle sensor 5 transmits the detected rotation angle of the mounting rod 4 to the industrial personal computer, when the angle sensor 5 detects that the rotation angle of the mounting rod 4 is greater than a preset threshold value, the industrial personal computer starts the driving motor 2, when the driving motor 2 works for a preset time, the industrial personal computer closes the driving motor 2, when the angle sensor 5 detects that the rotation angle of the mounting rod 4 is less than the preset threshold value, the industrial personal computer only stores information, which is a specific mode for controlling engineering, the industrial personal computer is not specifically protected, so that the industrial personal computer is not specifically limited as long as the function of the industrial personal computer can be realized; the second ratchet 7 is matched and connected with the first ratchet 6, the specific structures, the tooth numbers and the sizes of the first ratchet and the second ratchet are not limited, and the installation rod 4 can rotate relative to the connecting pipe 3 in one direction and can be driven by the driving motor 2 to rotate through the connecting pipe 3 in the opposite direction as long as the ratchet structure can be realized; in summary, the connecting pipe 3 and the mounting rod 4 are connected through the ratchet structure, when the punching belt wound on the mounting rod 4 is pulled, the mounting rod 4 rotates relative to the connecting pipe 3 under the action of the pulling force, and the punching belt is convenient to lay; further, the adoption sets up angle sensor 5 on installation pole 4, and when angle sensor 5 detected the rotation angle of installation pole 4 and is greater than preset threshold value, driving motor 2 starts to predetermine for a long time, and driving motor 2 drives the mode of 4 antiport of installation pole through connecting pipe 3 for the line of dashing takes at cracked in-process, not only receives sportsman's impact force, still receives the pulling force that driving motor 2 drove 4 antiport of installation pole produced, makes the line of dashing take easy fracture.
For the convenience of installation, the driving motor 2 is connected with the mounting seat 9, and the mounting seat 9 is detachably connected with the connecting rod.
In order to facilitate the connection between the two ends of the mounting rod 4 and the connecting pipe 3 and the wire punching strip winding 8, the middle part of the mounting rod 4 is provided with the annular partition plate 10, the second ratchet 7 and the wire punching strip winding 8 are positioned at the two sides of the annular partition plate 10, so that the annular partition plate 10 plays roles of isolation and limitation, and the diameter of the annular partition plate 10 is larger than the diameters of the mounting rod 4 and the second ratchet 7.
In order to facilitate fixing, the mounting seat 9 is detachably provided with a support 11, the support 11 is provided with a limiting plate 17, the limiting plate 17 is provided with a limiting hole for the mounting rod 4 to pass through, the annular partition plate 10 is positioned below the limiting hole, and the diameter of the limiting hole is smaller than that of the annular partition plate 10.
In order to facilitate the measurement of the angle sensor 5, the fixed end of the angle sensor 5 is arranged on the mounting plate 18, the mounting plate 18 is connected with the bracket 11, and the detection end of the angle sensor 5 is connected with the end part of the mounting rod 4.
The preset threshold value is 2-3 degrees, and the preset time is 5-10 s.
In order to enable the wire punching belt to be easy to break, the wire punching belt further comprises a sawtooth cutting assembly, the sawtooth cutting assembly comprises a first cutting blade 12 and a second cutting blade 13 which are matched with each other, sawteeth 14 are arranged on the first cutting blade 12, and small holes 15 for enabling tips of the sawteeth 14 to penetrate through are formed in the second cutting blade 13; when the sawtooth cutting assembly is installed on the rapid layout device, the first cutting blade 12 and the second cutting blade 13 are respectively arranged on the bracket 11 in a deformable manner, and the first cutting blade 12 and the second cutting blade 13 are arranged along the length direction of the line punching belt; when the sawtooth cutting assembly is matched with the rapid layout device for use, the first cutting blade 12 and the second cutting blade 13 are of deformable integrally-formed structures; namely, the saw tooth cutting assembly is arranged, so that the trimming punch belt can be cut, and the breakage of the trimming punch belt is further promoted.
In the present invention, the first cutting blade 12 and the second cutting blade 13 are both made of elastic steel or other deformable structures, such as deformable plastic plates.
The invention also provides a layout method of the fast layout device of the wire punching belt for track and field sprinting, which comprises the following steps,
preparation work: assembling the base 16, the connecting rod 1 and the punching tape mounting assembly to form a punching tape rapid arrangement device;
laying: the wire punching strip winding 8 is rotatably arranged on the mounting rod 4, and the other end of the wire punching strip winding 8 is fixedly or rotatably arranged on the mounting rod 4 of the other wire punching strip rapid laying device; the base 16 is fixedly placed on the ground, and a line punching belt with a certain length is adjusted to complete the layout work;
when the angle sensor 5 detects that the rotation angle of the installation rod 4 is greater than a preset threshold value, the driving motor 2 is started for a preset time, the driving motor 2 drives the installation rod 4 to rotate reversely through the connecting pipe 3, and the line punching belt is broken under the combined action of impact force of athletes and reverse tension force of the driving motor 2.
Cutting lines are arranged on the line punching belt at intervals; or cutting two ends of the punching line belt in the laying work by using a sawtooth cutting assembly, wherein the sawtooth cutting assembly comprises a first cutting sheet 12 and a second cutting sheet 13 which are matched, sawteeth 14 are arranged on the first cutting sheet 12, and small holes 15 for the tips of the sawteeth 14 to penetrate through are arranged on the second cutting sheet 13; when the sawtooth cutting assembly is installed on the rapid layout device, the first cutting blade 12 and the second cutting blade 13 are respectively arranged on the bracket 11 in a deformable manner, and the first cutting blade 12 and the second cutting blade 13 are arranged along the length direction of the line punching belt; when the serrated cutting assembly is used in conjunction with a quick deployment device, the first cutting blade 12 and the second cutting blade 13 are of deformable integrally formed construction.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. The utility model provides a dash quick laying device of line area for track and field sprint which characterized in that: the wire punching belt mounting assembly comprises a connecting rod, a base and a wire punching belt mounting assembly, wherein the base and the wire punching belt mounting assembly are respectively connected with two ends of the connecting rod, the base is used for fixing the connecting rod, the wire punching belt mounting assembly comprises a driving motor, a connecting pipe, a mounting rod and an angle sensor, the driving motor is connected with the connecting rod, an output shaft of the driving motor is detachably and fixedly connected with one end of the connecting pipe, a first ratchet is arranged on the inner wall of the other end of the connecting pipe, a second ratchet and a wire punching belt winding are respectively arranged on the outer wall of the mounting rod and positioned at two axial ends of the mounting rod, the second ratchet is matched with the first ratchet to form a ratchet structure, the rotation direction of the output shaft is opposite to the rotation direction of the mounting rod, the angle sensor is arranged on the mounting rod, and when the angle sensor detects that the rotation angle of, the driving motor is started for a preset time, and the driving motor drives the mounting rod to rotate reversely through the connecting pipe.
2. The device for rapidly laying the wire punching belt for track and field sprinting according to claim 1, wherein: the driving motor is connected with the mounting seat, and the mounting seat is detachably connected with the connecting rod.
3. The device for rapidly laying the wire punching belt for track and field sprinting according to claim 2, wherein: the middle part of the mounting rod is provided with an annular partition plate, and the second ratchet and the line punching belt winding are positioned on two sides of the annular partition plate.
4. The device for rapidly laying the wire punching belt for track and field sprinting according to claim 3, wherein: the mounting seat is detachably provided with a support, the support is provided with a limiting plate, the limiting plate is provided with a limiting hole for the mounting rod to pass through, the annular partition plate is located below the limiting hole, and the diameter of the limiting hole is smaller than that of the annular partition plate.
5. The device for rapidly laying the wire punching belt for track and field sprinting according to claim 4, wherein: the stiff end of angle sensor is installed on the mounting panel, just the mounting panel with the support is connected, angle sensor's sense terminal with the tip of installation pole is connected.
6. The device for rapidly laying the wire punching belt for track and field sprinting according to claim 5, wherein: the preset threshold value is 2-3 degrees, and the preset time length is 5-10 s.
7. The device for rapidly laying the wire punching belt for track and field sprinting according to claim 6, wherein: the saw tooth cutting assembly comprises a first cutting blade and a second cutting blade which are matched with each other, saw teeth are arranged on the first cutting blade, and small holes for the tips of the saw teeth to penetrate through are formed in the second cutting blade; when the sawtooth cutting assembly is installed on the quick laying device, the first cutting piece and the second cutting piece are respectively arranged on the bracket in a deformable and opposite mode, and the first cutting piece and the second cutting piece are arranged along the length direction of the line punching belt; when the sawtooth cutting assembly is matched with the rapid layout device for use, the first cutting piece and the second cutting piece are of deformable integrally-formed structures.
8. The device for rapidly laying the wire punching belt for track and field sprinting according to claim 7, wherein: the first cutting piece and the second cutting piece are both elastic steel pieces.
9. A laying method of the wire strip rapid laying device for track and field sprinting according to any one of claims 4 to 8, wherein: comprises the following steps of (a) carrying out,
preparation work: assembling the base, the connecting rod and the punching tape mounting assembly to form a punching tape rapid layout device;
laying: the wire punching belt winding is rotatably arranged on the mounting rod, and the other end of the wire punching belt winding is fixedly or rotatably arranged on the mounting rod of the other wire punching belt rapid distribution device; the base is fixedly placed on the ground, and a line punching belt with a certain length is adjusted to complete the layout work;
when the angle sensor detects that the self-rotation angle of the mounting rod is larger than a preset threshold value, the driving motor is started for a preset time, the driving motor drives the mounting rod to rotate reversely through the connecting pipe, and the line punching belt is broken under the combined action of impact force of athletes and reverse tension force of the driving motor.
10. The deployment method of claim 9, wherein: cutting lines are arranged on the line punching belt at intervals; or cutting two ends of the punching line belt in the laying work by using a sawtooth cutting assembly, wherein the sawtooth cutting assembly comprises a first cutting sheet and a second cutting sheet which are matched for use, sawteeth are arranged on the first cutting sheet, and small holes for the tips of the sawteeth to penetrate through are formed in the second cutting sheet; when the sawtooth cutting assembly is installed on the quick laying device, the first cutting piece and the second cutting piece are respectively arranged on the bracket in a deformable and opposite mode, and the first cutting piece and the second cutting piece are arranged along the length direction of the line punching belt; when the sawtooth cutting assembly is matched with the rapid layout device for use, the first cutting piece and the second cutting piece are of deformable integrally-formed structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010008746.2A CN111054047B (en) | 2020-01-06 | 2020-01-06 | Fast wiring tape laying device and method for track and field sprinting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010008746.2A CN111054047B (en) | 2020-01-06 | 2020-01-06 | Fast wiring tape laying device and method for track and field sprinting |
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| Publication Number | Publication Date |
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| CN111054047A CN111054047A (en) | 2020-04-24 |
| CN111054047B true CN111054047B (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010008746.2A Active CN111054047B (en) | 2020-01-06 | 2020-01-06 | Fast wiring tape laying device and method for track and field sprinting |
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| CN (1) | CN111054047B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112957707B (en) * | 2021-03-12 | 2022-02-08 | 邵阳学院 | Stab belt installation device for track and field training |
| CN114028793B (en) * | 2021-11-22 | 2022-08-26 | 辽宁石油化工大学 | Fast wiring tape laying device and method for track and field sprinting |
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| CN108211320A (en) * | 2018-02-08 | 2018-06-29 | 湖南文理学院 | It is a kind of to exempt from hand-held finishing line instruction device for athletic competition |
| CN108577639A (en) * | 2018-04-03 | 2018-09-28 | 金华职业技术学院 | A kind of lavatory paper box of the disconnected paper of ratchet control |
| CN110038285A (en) * | 2019-04-23 | 2019-07-23 | 林桂花 | Equipment is straightened in a kind of track and field spurt band |
| WO2019158684A1 (en) * | 2018-02-16 | 2019-08-22 | Geometric Golf Oy | Device, system and method for golf accuracy training |
| CN110339546A (en) * | 2019-06-21 | 2019-10-18 | 邹红连 | A kind of fixed device of portable spurt band |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10456612B2 (en) * | 2017-01-25 | 2019-10-29 | James McGhee | Portable exercise apparatus |
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| CN108211320A (en) * | 2018-02-08 | 2018-06-29 | 湖南文理学院 | It is a kind of to exempt from hand-held finishing line instruction device for athletic competition |
| WO2019158684A1 (en) * | 2018-02-16 | 2019-08-22 | Geometric Golf Oy | Device, system and method for golf accuracy training |
| CN108577639A (en) * | 2018-04-03 | 2018-09-28 | 金华职业技术学院 | A kind of lavatory paper box of the disconnected paper of ratchet control |
| CN110038285A (en) * | 2019-04-23 | 2019-07-23 | 林桂花 | Equipment is straightened in a kind of track and field spurt band |
| CN110339546A (en) * | 2019-06-21 | 2019-10-18 | 邹红连 | A kind of fixed device of portable spurt band |
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| CN111054047A (en) | 2020-04-24 |
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