CN115671643A - Automatic adjustment high jump device - Google Patents
Automatic adjustment high jump device Download PDFInfo
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- CN115671643A CN115671643A CN202211418235.3A CN202211418235A CN115671643A CN 115671643 A CN115671643 A CN 115671643A CN 202211418235 A CN202211418235 A CN 202211418235A CN 115671643 A CN115671643 A CN 115671643A
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- high jump
- cross rod
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Abstract
The invention belongs to the technical field of physical training equipment, and relates to an automatic high jump adjusting device, which comprises: the lifting device comprises a base, two upright posts, vertical grooves, sliding blocks, two lifting blocks, a transverse rod, two connecting ropes and a lifting assembly, wherein the base is arranged in the two vertical grooves, is connected with the two sliding blocks and is used for driving the two sliding blocks to lift; the resetting component is arranged at the upper ends of the two stand columns, is respectively connected with the other ends of the two connecting ropes and the lifting component, and is used for rolling the two connecting ropes through the rotation of the lifting component so as to drive the cross rod to reset; and the driving assembly is arranged inside the base, is connected with the lifting assembly and is used for driving the lifting assembly to rotate. According to the invention, the two lifting blocks, the two connecting ropes, the lifting assembly and the reset assembly are arranged in a side-matching manner with the driving assembly, so that not only can the height of the cross rod be automatically adjusted, but also the cross rod can be automatically reset after being touched and sliding down in the process of high jump training, thereby avoiding time waste caused by manual adjustment and improving the effect of high jump training.
Description
Technical Field
The invention belongs to the technical field of physical training equipment, and relates to an automatic high jump adjusting device.
Background
The high jump is one of the track and field events, which is composed of rhythmic running, single foot jumping, jumping over the high jump rod and falling to the ground, and calculates the result by the height over the upper edge of the high jump rod, and the high jump needs the high jump apparatus. The high jump as a game activity can be traced back to the ancient times, the high jump sport has been widely spread in different periods of each country, the ancient Hill man has been prevalent in the jump across the horizontal horses, some people have jumped across 6 horses at most, and African Tusi people have also been used in the jump competition with thick wood diving boards or stone stepping.
The technical movements of modern high jump sports have undergone 5 major evolutions, namely, straddle, scissor, roller, prone and back-crossing, with the back-crossing being adopted by most athletes in the modern world.
At present, among the current high jump teaching process, there are a lot of students to practise the high jump together usually, because the high jump height that every student can reach is different, consequently not only need the height of adjustment horizontal pole that does not stop at the high jump teaching in-process, still need the horizontal pole landing again after, also need the manual work to reset, the manual adjustment is comparatively troublesome and waste time, has reduced the effect of high jump training.
Disclosure of Invention
The invention aims to provide an automatic height-adjusting device, which solves the technical problems that the height of a cross rod is required to be adjusted continuously in the existing high jump teaching process, and the cross rod also needs to be returned manually after sliding down, so that manual adjustment is troublesome, time is wasted, and the high jump training effect is reduced.
In order to achieve the purpose, the specific technical scheme of the automatic adjustment high jump device is as follows:
a self-adjusting high jump apparatus comprising:
the inner part of the base is of a hollow structure;
the two upright columns are relatively vertically arranged at the upper part of the base, vertical grooves are respectively vertically formed in the side surfaces close to the front part of the base, a sliding block is arranged in each vertical groove, and the sliding blocks are connected with the corresponding vertical grooves in a sliding manner;
the two lifting blocks are respectively arranged on the side surfaces of the two sliding blocks far away from the corresponding vertical grooves;
the cross bar is horizontally arranged on the upper surfaces of the two lifting blocks;
the two connecting ropes are respectively arranged at the two ends of the cross rod, one end of each connecting rope is respectively connected with the two ends of the cross rod, and the other end of each connecting rope is respectively positioned at the upper ends of the two stand columns;
the lifting assembly is arranged in the two vertical grooves, is connected with the two sliding blocks and is used for driving the two sliding blocks to lift;
the resetting assembly is arranged at the upper ends of the two stand columns, is respectively connected with the other ends of the two connecting ropes and the lifting assembly, and is used for taking up the two connecting ropes through the rotation of the lifting assembly so as to drive the transverse rod to reset;
and the driving assembly is arranged inside the base and connected with the lifting assembly and used for driving the lifting assembly to rotate.
The invention is also characterized in that:
wherein lifting unit includes two lead screws, and two vertical settings are respectively erected inslot portion at two, and the upper end of each lead screw is rotated with the top of erecting the groove and is connected, and the lower extreme of each lead screw passes behind the corresponding slider and is connected with the bottom rotation of erecting the groove bottom, base upper portion back and base, and each lead screw and corresponding slider threaded connection, two sides of each slider respectively with correspond two lateral walls contacts of erecting the groove.
Wherein reset assembly includes two containing boxes 14, two containing boxes 14 set up the upper end at two stands respectively, the top in perpendicular groove is passed to the upper end of each lead screw, rotate with the top of containing box behind the bottom of containing box and be connected, the position cover that each lead screw is located the containing box is equipped with the reel, each containing box has seted up the through-hole near the anterior side of base, the position that each containing box side is close to the through-hole is provided with the fixed pulley, the other end of each connection rope is walked around corresponding fixed pulley and then is connected with the reel after passing the through-hole, the lower part of each elevator makes the elevator cross-section be right triangle for the inclined plane, each elevator is located perpendicular inslot with the junction of slider.
Wherein the mounting groove has been seted up along the inclined plane direction in the lower part of each elevator, evenly is provided with a plurality of gyro wheels along the length direction of mounting groove in the mounting groove, and every gyro wheel rotates through the pivot to be connected with the lateral wall of mounting groove.
Wherein the both ends of horizontal pole are provided with the connecting axle respectively horizontally, and the one end of connecting axle rotates with the tip of horizontal pole to be connected, and the other end of connecting axle is connected with the connecting block, the end connection of connecting block and the connection rope that corresponds.
The driving assembly comprises a motor, the motor is arranged on the side face of the base, the position, close to the two screw rods, inside the base is horizontally arranged on a transmission rod, one end of the transmission rod is connected with the inner wall of the base in a rotating mode, the other end of the transmission rod penetrates through the inner wall of the base and then is connected with the output end of the motor, first bevel gears are respectively sleeved at the positions, close to the two screw rods, on the transmission rod, a second bevel gear is sleeved at the position, close to the corresponding first bevel gear, of each screw rod, and the second bevel gears are connected with the first bevel gears in a meshed mode.
The upper wall surface of each lifting block is provided with an arc-shaped groove, the two ends of each arc-shaped groove are of opening structures, the rod body of the cross rod is positioned in the two arc-shaped grooves, the arc-shaped grooves are internally provided with electromagnets, and the rod body of the cross rod is provided with magnetic materials at the positions close to the electromagnets.
Wherein the side of the base is provided with a controller which is respectively electrically connected with the motor and the two electromagnets.
The side of each upright post is provided with scales at the positions on two sides of the vertical groove respectively.
The automatic adjustment high jump device of the invention has the following advantages:
firstly, the two lifting blocks, the two connecting ropes, the lifting assembly and the reset assembly are arranged in a matched manner with the side of the driving assembly, so that not only can the height of the cross rod be automatically adjusted in the process of high jump training, but also the cross rod can be automatically reset after being touched and slid, time waste caused by manual adjustment is avoided, and the effect of high jump training is improved;
secondly, the friction force between the cross rod and the lower inclined planes of the two lifting blocks is reduced through the matching arrangement of the mounting groove and the plurality of rollers, so that the cross rod can move more smoothly along the two lower inclined planes of the two lifting blocks, the resetting speed of the cross rod is accelerated, and meanwhile, the friction force between the cross rod and the lower inclined planes of the two lifting blocks is further reduced through the rotating arrangement of the cross rod, so that the resetting speed of the cross rod is further accelerated, and the training effect is improved;
and thirdly, the arrangement of the two arc-shaped grooves and the two electromagnets enables the transverse rod to be positioned in the resetting process, so that the resetting speed of the transverse rod is further increased, and the adjusting speed of the transverse rod is also increased.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic left-view structural diagram of the present invention;
FIG. 3 is an enlarged view of the portion B of FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the portion C of FIG. 2 according to the present invention;
FIG. 5 is an enlarged view of the portion D of FIG. 2;
FIG. 6 is an enlarged view of portion A of FIG. 1 according to the present invention;
reference numerals are as follows:
1. a base; 2. a column; 3. a vertical slot; 4. a cross bar; 5. a slider; 6. a lifting block; 7. an arc-shaped slot; 8. an electromagnet; 9. a motor; 10. a transmission rod; 11. a first bevel gear; 12. a second bevel gear; 13. a screw rod; 14. a storage box; 15. a spool; 16. a fixed pulley; 17. a through hole; 18. a connecting shaft; 19. connecting blocks; 20. connecting ropes; 21. a roller; 22. mounting grooves; 23. and a controller.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, a self-adjusting high jump device of the present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the automatic adjustment high jump device comprises a base 1, wherein the base 1 is hollow, two upright posts 2 are vertically arranged on the upper portion of the base 1, vertical grooves 3 are respectively vertically arranged on the side surfaces of the two upright posts 2 close to the front portion of the base 1, a sliding block 5 is arranged in each vertical groove 3, the sliding block 5 is slidably connected with the corresponding vertical groove 3, lifting blocks 6 are respectively arranged on the side surfaces of the two sliding blocks 5 far away from the corresponding vertical groove 3, a cross rod 4 is horizontally arranged on the surface of the upper portions of the two lifting blocks 6, connecting ropes 20 are respectively arranged at the two ends of the cross rod 4, one end of each connecting rope 20 is respectively connected with the two ends of the cross rod 4, the other end of each connecting rope 20 is respectively arranged at the upper end of the two upright posts 2, lifting assemblies are arranged in the two vertical grooves 3 and are connected with the two sliding blocks 5, lifting unit is used for driving two sliders 5 and goes up and down, two sliders 5 drive horizontal pole 4 through two elevator blocks 6 and go up and down, adjust the height of horizontal pole 4, thereby adapt to different student's jump height, the upper end of two stands 2 is provided with reset assembly, reset assembly is connected the other end of rope 20 with two respectively, lifting unit connects, reset assembly is used for rotating through lifting unit and connects rope 20 to two and receive the rope, thereby drive horizontal pole 4 and reset, make horizontal pole 4 can get back to again on two elevator blocks 6 after being touched and two elevator blocks 6 of landing, make subsequent student continue to carry out the jump training, 1 inside drive assembly that is provided with of base, drive assembly is connected with lifting unit, drive assembly is used for driving lifting unit and rotates, make two sliders 5 reciprocate along the perpendicular groove 3 that corresponds.
As shown in fig. 1 and 2, the lifting assembly comprises two lead screws 13, two lead screws 13 are respectively vertically arranged inside two vertical grooves 3, the upper end of each lead screw 13 is rotatably connected with the top of the vertical groove 3, the lower end of each lead screw 13 penetrates through the corresponding slider 5 and then is arranged at the bottom of the vertical groove 3, the upper portion of the base 1 is rotatably connected with the bottom of the base 1, each lead screw 13 is in threaded connection with the corresponding slider 5, two side surfaces of each slider 5 are respectively in contact with two side walls of the corresponding vertical groove 3, the slider 5 can be limited to the slider 5 when freely moving up and down along the vertical groove 3, the circumferential rotation of the slider 5 is limited, the two lead screws 13 rotate, and the corresponding slider 5 is driven to move up and down along the vertical groove 3.
As shown in fig. 1-4, the resetting assembly includes two storage boxes 14, the two storage boxes 14 are respectively disposed at the upper ends of the two columns 2, the upper end of each screw 13 passes through the top of the vertical slot 3, the bottom of the storage box 14 is rotatably connected with the top of the storage box 14, a winding reel 15 is sleeved at the position of the screw 13 at the storage box 14, a through hole 17 is opened at the side of each storage box 14 near the front of the base 1, a fixed pulley 16 is disposed at the side of each storage box 14 near the through hole 17, the other end of each connecting rope 20 passes around the corresponding fixed pulley 16 and then passes through the through hole 17 to be connected with the winding reel 15, the lower part of each lifting block 6 is an inclined plane to make the section of the lifting block 6 to be a right triangle, the joint of each lifting block 6 and the sliding block 5 is located inside the vertical slot 3, in the initial state, the cross bar 4 is located at the lower parts of the two lifting blocks 6, namely, the cross bar 4 is in a suspended state, when training is needed, the two lead screws 13 rotate in a forward direction to drive the corresponding slide blocks 5 to move downwards along the vertical slots 3, the two slide blocks 5 drive the corresponding lifting blocks 6 to move downwards, simultaneously the two lead screws 13 drive the two winding drums 15 to rotate, the two winding drums 15 drive the two connecting ropes 20 to wind towards the corresponding winding drums 15, the two connecting ropes 20 are taken up to enter the corresponding containing boxes 14, the two connecting ropes 20 drive the cross bar 4 to move upwards, after the cross bar 4 touches the lower inclined planes of the two lifting blocks 6, the two connecting ropes 15 slide upwards along the lower inclined planes of the two lifting blocks 6 until the cross bar 4 moves to the upper parts of the two lifting blocks 6, then the two lead screws 13 rotate in a reverse direction to drive the two lifting blocks 6 to move upwards, and simultaneously drive the two winding drums 15 to rotate in a reverse direction to pay off the two connecting ropes 20, after losing the upward pulling force, the cross rod 4 moves downwards under the action of the gravity of the cross rod until contacting with the upper surfaces of the two lifting blocks 6, the two screw rods 13 continue to rotate in opposite directions, and the cross rod 4 is driven by the two lifting blocks 6 to be adjusted to the specified height.
As shown in fig. 5 and 6, a mounting groove 22 is formed in the lower portion of each lifting block 6 along the inclined plane direction, a plurality of rollers 21 are uniformly arranged in the mounting groove 22 along the length direction of the mounting groove 22, each roller 21 is rotatably connected with the side wall of the mounting groove 22 through a rotating shaft, each roller 21 can freely rotate in the mounting groove 22, and when the cross rod 4 is close to the lower inclined planes of the two lifting blocks 6, the cross rod contacts with the plurality of rollers 21, so that the friction force between the cross rod 4 and the lower inclined planes of the two lifting blocks 6 is reduced, and the cross rod 4 can move more smoothly along the lower inclined planes of the two lifting blocks 6.
As shown in fig. 6, two ends of the cross rod 4 are respectively horizontally provided with a connecting shaft 18, one end of the connecting shaft 18 is rotatably connected with the end of the cross rod 4, the other end of the connecting shaft 18 is connected with a connecting block 19, and the connecting block 19 is connected with the end of a corresponding connecting rope 20, so that the cross rod 4 can rotate after contacting the lower inclined planes of the two lifting blocks 6, and the friction force between the cross rod 4 and the lower inclined planes of the two lifting blocks 6 is further reduced.
As shown in fig. 1 and 2, the driving assembly includes a motor 9, the motor 9 is disposed on a side surface of the base 1, positions inside the base 1 near the two screws 13 are horizontally disposed on a transmission rod 10, one end of the transmission rod 10 is rotatably connected with an inner wall of the base 1, the other end of the transmission rod 10 penetrates through the inner wall of the base 1 and then is connected with an output end of the motor 9, positions on the transmission rod 10 near the two screws 13 are respectively sleeved with a first bevel gear 11, a position of each screw 13 near the corresponding first bevel gear 11 is sleeved with a second bevel gear 12, the second bevel gear 12 is meshed with the first bevel gear 11 and is connected with the motor 9, the transmission rod 10 is driven by the motor 9 to rotate, the transmission rod 10 drives the two first bevel gears 11 to rotate, the two first bevel gears 11 drive the two second bevel gears 12 to rotate, and the two second bevel gears 12 drive the two screws 13 to rotate.
As shown in fig. 6, arc 7 has been seted up on the upper wall surface of each elevator 6, the both ends of arc 7 all are open structure, the pole body of horizontal pole 4 is located two arc 7, be provided with electro-magnet 8 in the arc 7, the pole body of horizontal pole 4 is provided with magnetic material near the position of electro-magnet 8, when horizontal pole 4 is close to the upper portion of two elevators 6, it is circular telegram to two electro-magnet 8, make two electro-magnet 8 produce the appeal to horizontal pole 4, make horizontal pole 4 get into in two arc 7, fix a position horizontal pole 4, after horizontal pole 4 gets into in two arc 7, cut off the power supply to two electro-magnet 8, make horizontal pole 4 lose the constraint, the training of being convenient for.
The controller 23 is arranged on the side face of the base 1, the controller 23 is electrically connected with the motor 9 and the two electromagnets 8 respectively, the motor 9 is controlled through the controller 23, and the two electromagnets 8 are powered on and powered off.
The position that the side of each stand 2 is located the 3 both sides in vertical groove is provided with the scale respectively, the accurate height of adjusting horizontal pole 4 of being convenient for.
The working principle is as follows: when the lifting device is used, the motor 9 is started through the controller 23, the motor 9 rotates positively, the motor 9 drives the transmission rod 10 to rotate, the transmission rod 10 drives the two first bevel gears 11 to rotate, the two first bevel gears 11 drive the two second bevel gears 12 to rotate, the two second bevel gears 12 drive the two screw rods 13 to rotate positively, the two screw rods 13 drive the corresponding slide blocks 5 to move downwards along the vertical grooves 3, the two slide blocks 5 drive the corresponding lifting blocks 6 to move downwards, the two screw rods 13 drive the two winding drums 15 to rotate simultaneously, the two winding drums 15 drive the two connecting ropes 20 to wind towards the corresponding winding drums 15, the two connecting ropes 20 take up the wires into the corresponding storage boxes 14, the two connecting ropes 20 drive the cross rod 4 to move upwards, and the connecting ropes slide upwards along the lower inclined planes of the two lifting blocks 6 after the cross rod 4 touches the lower inclined planes of the two lifting blocks 6, until the cross rod 4 moves to the upper parts of the two lifting blocks 6, then the two screw rods 13 reversely rotate to drive the two lifting blocks 6 to move upwards and simultaneously drive the two winding drums 15 to reversely rotate, the two connecting ropes 20 are unwound, the cross rod 4 moves downwards under the action of the gravity of the cross rod 4 after losing the upward tension, then the two electromagnets 8 are electrified through the controller 23, the two electromagnets 8 generate attraction force on the cross rod 4, the cross rod 4 enters the two arc-shaped grooves 7 to be positioned, the two electromagnets 8 are powered off after the cross rod 4 enters the two arc-shaped grooves 7, the cross rod 4 is not bound, then the two screw rods 13 are continuously reversely rotated, the cross rod 4 is driven by the two lifting blocks 6 to be adjusted to the designated height, finally, training is started, when training is carried out, the cross rod 4 is touched to the lower parts of the two lifting blocks 6, repeating the above steps, and continuing training.
The automatic adjustment high jump device of the invention has the following advantages:
firstly, the two lifting blocks, the two connecting ropes, the lifting assembly and the reset assembly are arranged in a matched manner with the side of the driving assembly, so that the height of the cross rod can be automatically adjusted in the process of high jump training, and the cross rod can also be automatically reset after being touched and slid, thereby avoiding time waste caused by artificial adjustment and improving the effect of high jump training;
secondly, the friction force between the cross rod and the lower inclined planes of the two lifting blocks is reduced through the matching arrangement of the mounting groove and the plurality of rollers, so that the cross rod can move more smoothly along the two lower inclined planes of the two lifting blocks, the resetting speed of the cross rod is accelerated, and meanwhile, the friction force between the cross rod and the lower inclined planes of the two lifting blocks is further reduced through the rotating arrangement of the cross rod, so that the resetting speed of the cross rod is further accelerated, and the training effect is improved;
and thirdly, the arrangement of the two arc-shaped grooves and the two electromagnets enables the transverse rod to be positioned in the resetting process, so that the resetting speed of the transverse rod is further increased, and the adjusting speed of the transverse rod is also increased.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. An automatic adjustment high jump device, comprising:
the inner part of the base (1) is of a hollow structure;
the two upright posts (2) are vertically arranged on the upper part of the base (1) relatively, vertical grooves (3) are respectively vertically formed in the side faces close to the front part of the base (1), a sliding block (5) is arranged in each vertical groove (3), and the sliding blocks (5) are connected with the corresponding vertical grooves (3) in a sliding manner;
the two lifting blocks (6) are respectively arranged on the side surfaces of the two sliding blocks (5) far away from the corresponding vertical grooves (3);
the cross rod (4) is horizontally arranged on the upper surfaces of the two lifting blocks (6);
the two connecting ropes (20) are respectively arranged at two ends of the cross rod (4), one end of each connecting rope is respectively connected with two ends of the cross rod (4), and the other end of each connecting rope is respectively positioned at the upper ends of the two upright posts (2);
the lifting components are arranged in the two vertical grooves (3), connected with the two sliding blocks (5) and used for driving the two sliding blocks (5) to lift;
the resetting assembly is arranged at the upper ends of the two upright posts (2), is respectively connected with the other ends of the two connecting ropes (20) and the lifting assembly, and is used for taking up the two connecting ropes (20) through the rotation of the lifting assembly so as to drive the cross rod (4) to reset;
the driving assembly is arranged inside the base (1), is connected with the lifting assembly and is used for driving the lifting assembly to rotate.
2. The automatic adjustment high jump device according to claim 1, wherein the lifting assembly comprises two lead screws (13), the two lead screws (13) are respectively vertically arranged inside the two vertical grooves (3), the upper end of each lead screw (13) is rotatably connected with the top of the vertical groove (3), the lower end of each lead screw (13) penetrates through the corresponding slide block (5) and then is rotatably connected with the bottom of the vertical groove (3) and the bottom of the base (1) after the upper part of the base (1), each lead screw (13) is in threaded connection with the corresponding slide block (5), and two side surfaces of each slide block (5) are respectively in contact with two side walls of the corresponding vertical groove (3).
3. The automatic adjustment high jump device according to claim 2, wherein the reset assembly comprises two storage boxes (14), the two storage boxes (14) are respectively arranged at the upper ends of the two columns (2), the upper end of each lead screw (13) passes through the top of the vertical slot (3) and the bottom of the storage box (14) and then is rotatably connected with the top of the storage box (14), a winding reel (15) is sleeved at the position of each lead screw (13) at the storage box (14), a through hole (17) is formed in the side of each storage box (14) close to the front part of the base (1), a fixed pulley (16) is arranged at the position of the side of each storage box (14) close to the through hole (17), the other end of each connecting rope (20) passes around the corresponding fixed pulley (16) and then passes through the through hole (17) to be connected with the winding reel (15), the lower part of each lifting block (6) is an inclined plane to make the cross section of the lifting block (6) be a right triangle, and the joint of each lifting block (6) and the sliding block (5) is positioned inside the vertical slot (3).
4. The automatic adjustment high jump device according to claim 3, wherein the lower portion of each lifting block (6) is provided with an installation groove (22) along the inclined plane direction, a plurality of rollers (21) are uniformly arranged in the installation groove (22) along the length direction of the installation groove (22), and each roller (21) is rotatably connected with the side wall of the installation groove (22) through a rotating shaft.
5. The automatic adjustment high jump device according to claim 4, wherein two ends of the cross bar 4 are respectively horizontally provided with a connecting shaft (18), one end of the connecting shaft (18) is rotatably connected with the end of the cross bar (4), the other end of the connecting shaft (18) is connected with a connecting block (19), and the connecting block (19) is connected with the end of a corresponding connecting rope (20).
6. The automatic adjustment high jump device according to claim 3, wherein the driving assembly comprises a motor (9), the motor (9) is disposed on a side surface of the base (1), a position inside the base (1) close to the two lead screws (13) is horizontally disposed on a transmission rod (10), one end of the transmission rod (10) is rotatably connected with an inner wall of the base (1), the other end of the transmission rod (10) penetrates through the inner wall of the base (1) and then is connected with an output end of the motor (9), a first bevel gear (11) is respectively sleeved on the transmission rod (10) close to the two lead screws (13), a second bevel gear (12) is sleeved on each lead screw (13) close to the corresponding first bevel gear (11), and the second bevel gear (12) is engaged with the first bevel gear (11).
7. The automatic adjustment high jump device according to claim 6, wherein an arc-shaped groove (7) is formed in the upper wall surface of each lifting block (6), both ends of the arc-shaped groove (7) are of an open structure, the rod body of the cross rod (4) is positioned in the two arc-shaped grooves (7), an electromagnet (8) is arranged in the arc-shaped groove (7), and a magnetic material is arranged at a position, close to the electromagnet (8), of the rod body of the cross rod (4).
8. The automatic adjustment high jump device according to claim 7, wherein a controller (23) is disposed on a side of the base 1, and the controller (23) is electrically connected to the motor (9) and the two electromagnets (8), respectively.
9. The automatic adjustment high jump device according to claim 1, wherein the side of each upright (2) is provided with a scale at the two sides of the vertical groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211418235.3A CN115671643A (en) | 2022-11-14 | 2022-11-14 | Automatic adjustment high jump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211418235.3A CN115671643A (en) | 2022-11-14 | 2022-11-14 | Automatic adjustment high jump device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115671643A true CN115671643A (en) | 2023-02-03 |
Family
ID=85051546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211418235.3A Withdrawn CN115671643A (en) | 2022-11-14 | 2022-11-14 | Automatic adjustment high jump device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115671643A (en) |
-
2022
- 2022-11-14 CN CN202211418235.3A patent/CN115671643A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230203 |