CN109966696B

CN109966696B - Tai Ji eight-method trainer

Info

Publication number: CN109966696B
Application number: CN201910304090.6A
Authority: CN
Inventors: 宋渊; 兰卉卉
Original assignee: Chongqing University of Technology
Current assignee: Chongqing University of Technology
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2020-10-09
Anticipated expiration: 2039-04-16
Also published as: CN109966696A

Abstract

The invention provides a Tai Chi eight-method trainer which comprises a training mechanism and a control unit for controlling a supporting mechanism and a changing mechanism, wherein the supporting mechanism comprises an installation base, a supporting column and a clamping unit are fixed on the installation base, the top end of the supporting column is rotatably connected with a supporting arm provided with a hanging unit, the training mechanism comprises a sand bag and a training arm, the upper end and the lower end of the sand bag are connected with installation blocks through springs, the installation block at the lower end of the sand bag is fixed on the installation base, the installation block at the upper end is provided with a hanging ring suitable for hanging the hanging unit, the training arm is sleeved in the circumferential direction of the sand bag through an expanding air ring, the changing mechanism comprises a hanging cabin arranged above the training mechanism, the top wall of the hanging cabin is hung with a driving motor, the motor shaft of the driving motor is connected with a circular placing plate suitable for placing the training arm through a supporting rod, a horizontal supporting rod is further arranged in the hanging cabin. The training device can exercise eight forces of the Tai Chi.

Description

Tai Ji eight-method trainer

Technical Field

The invention relates to the technical field of martial arts training instruments, in particular to a Tai Chi eight-method trainer.

Background

The eight-principle method of taiji is the eight-principle method of taiji boxing, which specifically includes hut, stroking, squeezing, pressing, picking, , elbow and leaning, and is the basic principle of taiji boxing and the core of taiji boxing skills, and is well received by taiji boxing trainees and deep researchers. However, the inventor of the present invention has found through research that training of the tai chi eight exercises is mainly a putting practice and a pushing exercise for a long time, but there is no special instrument to practice the eight exercises. Therefore, it is necessary to design a special training apparatus based on the way-fitting exercise and the pushing exercise.

Disclosure of Invention

Aiming at the technical problem that no special training instrument is used for training the Tai Chi eight-method in the prior art, the invention provides a novel Tai Chi eight-method trainer, and the eight-strength method of the Tai Chi can be trained through the trainer.

In order to solve the technical problems, the invention adopts the following technical scheme:

a Tai Chi eight-method trainer comprises a supporting mechanism, a training mechanism, an exchange mechanism and a control unit, wherein the supporting mechanism comprises an installation base, a supporting column is fixedly installed on the installation base, a rotating shaft is sleeved at the top end of the supporting column, a stepping motor for driving the rotating shaft to rotate is arranged in the supporting column, a supporting arm is fixedly connected to the rotating shaft, a hanging unit is arranged at one end, away from the rotating shaft, of the supporting arm, and two clamping units capable of clamping sandbags are further installed on the installation base; the training mechanism comprises a sand bag and a training arm, wherein an expansion air ring communicated with an external gas generator is fixedly connected to the circumferential direction of the sand bag, springs are fixedly connected to the upper end and the lower end of the sand bag, a rubber sheath is sleeved on the surface of each spring, one end, far away from the sand bag, of each spring is fixedly connected with a mounting block, the mounting block below the sand bag is fixedly arranged on a mounting base, a hanging ring suitable for hanging a hanging unit is arranged on the surface of the mounting block above the sand bag, the training arm comprises an annular rubber sleeve sleeved on the circumferential body of the expansion air ring, two training support arms are symmetrically connected to the circumferential direction of the annular rubber sleeve, and jacks are formed in the upper surface of the annular rubber sleeve and iron blocks are embedded in the annular rubber sleeve; the changing mechanism comprises a hanging cage arranged above the training mechanism, a driving motor with a motor shaft vertically downward is hung on the top wall in the hanging cage, a support rod is fixedly connected to the lower end of the motor shaft of the driving motor, the lower end of the support rod is fixedly connected with the center of a circular shelving disc, a plurality of shelving columns are arranged near the edge of the circular shelving disc, a plurality of training arms with different training arm support arm lengths are placed on the rest shelving columns except one shelving column, a horizontal support rod is further arranged in the hanging cage, a horizontal sliding unit is arranged on the horizontal support rod, a lifting cylinder with a vertically downward piston rod is fixedly connected to the lower end of the horizontal sliding unit, a hollow support rod is fixedly connected to the lower end of the piston rod of the lifting cylinder, a support column corresponding to the jack is fixed to the annular surface of the lower end of the hollow support rod, and an electromagnet corresponding to the iron, the supporting column is provided with a switch electrically connected with the electromagnet, and the hollow supporting rod can replace any training arm placed on the circular placing plate with a training arm sleeved on the whole body of the expansion air ring under the driving of the horizontal sliding unit and the driving of the vertical movement of the lifting cylinder; the control unit is arranged on the support column, and the hanging unit, the stepping motor, the clamping unit, the driving motor, the horizontal sliding unit and the lifting cylinder are all electrically connected with the control unit.

Compared with the prior art, the Tai Chi eight-method trainer can exercise eight power methods of Tai Chi through the sandbags and the training arms in the training mechanism and the combination of different power methods, so that the training quality of the eight-method is improved, and the trainer can also be used as a common boxing target; simultaneously, in order to adapt to the method such as the taiji boxing exerciser exercise armrest of different arm lengths, this training ware can also change the training arm of cup jointing on the sand bag is whole, and specific change principle is: firstly, after the control unit controls the hanging unit arranged at one end of the supporting arm and the hanging ring to lose hanging connection, the control unit controls the stepping motor to start to drive the rotating shaft to rotate so as to drive the supporting arm to rotate, the supporting arm rotates to drive the hanging unit to leave the hanging ring, meanwhile, the control unit controls the clamping unit to clamp and hold the sandbag so as to keep the sandbag stable, then the control unit controls the horizontal sliding unit to slide on the horizontal supporting rod, the hollow supporting rod slides to the upper end of the mounting block of the sandbag, then the control unit controls the lifting cylinder to drive the hollow supporting rod to move downwards to be in contact with the annular rubber sleeve, the training arm which is expanded after air leakage and is sleeved on the whole body is lifted through the adsorption effect of the electromagnet on the iron block and the inserting and matching effect of the supporting column and the inserting hole on the hollow supporting rod, then the control unit controls the lifting cylinder to drive the hollow supporting rod to retract and controls the horizontal sliding unit to drive the hollow supporting The control unit controls the driving motor to start and drives the circular laying disc to rotate through the motor shaft so as to align the lower end of the hollow support rod with any training arm to be selected and replaced, and then the control unit controls the horizontal sliding unit to horizontally slide and controls the lifting cylinder to act again, the selected training arm is moved to the circumference of the expansion air ring through the hollow stay bar for sleeve joint, and the expansion air ring is used for inflating and then realizing expansion fixation on the training arm, then the electromagnet is powered off to lose the adsorption effect on the iron blocks, simultaneously the hollow stay bar is separated from the training arm under the condition that the training support arm is pressed by hands, finally the control unit controls the clamping unit to cancel clamping the sandbag, and controlling the stepping motor to start again to drive the supporting arm to rotate and controlling the hanging unit to be hung with the hanging ring again, so as to finish the replacement operation of the whole body of the sandbag sleeved with the training arm.

Further, articulate the unit including fixed the mounting panel that sets up at the support arm tip, the bottom surface of mounting panel is fixed with first curb plate and articulates there is the second curb plate, the lower part of first curb plate is equipped with the post hole on the first curb plate surface of perpendicular to, the lower part of second curb plate is equipped with the pillar on the second curb plate surface of perpendicular to, the bottom surface of mounting panel still is fixed with the actuating cylinder that drives with the control unit electric connection, the piston rod free end that drives the actuating cylinder is connected with the board wall middle part of second curb plate, the pillar on the second curb plate is contradicted to the post downthehole rotatable under the drive that drives the actuating cylinder.

Further, press from both sides and hold up the unit and include the stand of fixed mounting on the installation base, the top of stand is fixed with the telescopic cylinder with the control unit electric connection, telescopic cylinder's the horizontal fixedly connected with stand bar of piston rod free end, the one end fixedly connected with that telescopic cylinder was kept away from to the stand bar and the arc of sand bag whole body looks adaptation.

Further, the training support arm is a circular hollow rubber tube.

Furthermore, the upper surface of the annular rubber sleeve is provided with two oppositely-configured jacks and two oppositely-configured iron blocks, a central connecting line between the two jacks is perpendicular to a central connecting line between the two iron blocks, and two support columns corresponding to the jacks and two electromagnets corresponding to the iron blocks are fixed on the annular surface of the lower end of the hollow support rod in an embedded mode.

Further, the horizontal sliding unit comprises a base fixedly sleeved on the horizontal supporting rod and a sleeve sleeved on the horizontal supporting rod in a sliding mode, the outer wall of the sleeve is fixedly connected with a supporting arm, the lifting cylinder and the supporting arm are far away from one end of the sleeve which is fixedly connected, a speed reducer electrically connected with the control unit is fixedly installed on the base, the speed reducer drives the sleeve to horizontally slide along the axial direction of the horizontal supporting rod through a screw rod used in a matched mode and a nut on the screw rod, one end of the screw rod is fixedly connected to the speed reducer, and the nut on the screw rod is fixedly connected to the sleeve.

Drawings

FIG. 1 is a schematic structural diagram of a Tai Chi eight-method trainer provided by the invention.

Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.

Fig. 3 is an enlarged schematic view of the structure at B in fig. 1.

Fig. 4 is an enlarged schematic view of the lower end surface of the hollow stay of fig. 1.

In the figure, 1, a support mechanism; 11. installing a base; 12. a support pillar; 13. a rotating shaft; 14. a support arm; 15. a hitch unit; 151. mounting a plate; 152. a first side plate; 153. a second side plate; 154. a post hole; 155. a pillar; 156. a driving cylinder; 16. a clamping unit; 161. a column; 162. a telescopic cylinder; 163. a support rod; 164. an arc-shaped plate; 2. a training mechanism; 21. a sand bag; 22. a training arm; 221. an annular rubber sleeve; 222. training a support arm; 223. a jack; 224. an iron block; 23. expanding the air ring; 24. a spring; 25. a rubber sheath; 26. mounting blocks; 27. hanging a ring; 3. exchanging the mechanism; 31. a nacelle; 32. a drive motor; 33. a strut; 34. a circular resting tray; 341. a resting column; 35. a horizontal support bar; 36. a horizontal sliding unit; 361. a base; 362. a sleeve; 363. a support arm; 364. a speed reducer; 365. a screw rod; 366. a nut; 37. a lifting cylinder; 38. a hollow stay bar; 381. bracing columns; 382. an electromagnet.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.

In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the invention provides a tai chi eight-law trainer, which comprises a support mechanism 1, a training mechanism 2, a change mechanism 3 and a control unit (not shown), wherein the support mechanism 1 comprises a mounting base 11, a support column 12 is fixedly mounted on the mounting base 11, a rotating shaft 13 is sleeved at the top end of the support column 12, a stepping motor (not shown) for driving the rotating shaft 13 to rotate is arranged inside the support column 12, a support arm 14 is fixedly connected to the rotating shaft 13, a hanging unit 15 is arranged at one end of the support arm 14 far away from the rotating shaft 13, and two clamping units 16 capable of clamping a sandbag 21 are further mounted on the mounting base 11; the training mechanism 2 comprises a sand bag 21 and a training arm 22, wherein the sand bag 21 is fixedly connected with an expansion air ring 23 which is communicated with an external gas generator such as an air compressor in the circumferential direction, the expansion air ring 23 can be controlled by the external gas generator through inflation and deflation, specifically, an air pipe can be arranged in the sand bag 21 in a penetrating manner, one end of the air pipe is connected with the expansion air ring 23, the other end of the air pipe is led out from a mounting block through the lower end of the sand bag 21 after passing through a spring and is connected with the external gas generator, the upper end and the lower end of the sand bag 21 are fixedly connected with springs 24, the surface of each spring 24 is sleeved with a rubber sheath 25, one end of each spring 24, far away from the sand bag 21, is fixedly connected with a mounting block 26, the mounting block 26 below the sand bag 21 is fixedly arranged on the mounting base 11, and a hanging ring 27 which is suitable for hanging the hanging unit 15 is arranged, the hanging unit 15 can be connected with the mounting block 26 above the sandbag 21 through the hanging ring 27, the training arm 22 comprises an annular rubber sleeve 221 sleeved on the circumference of the expansion air ring 23, the sandbag 21 can be of a cylindrical structure with a round table top, so that the expansion air ring 23 and the annular rubber sleeve 221 can be conveniently sleeved and mounted on the round table top, specifically, the upper sandbag with the round table top is made of a hard material such as metal, the sandbag below the round table top is made of a soft material such as leather, the hard material and the soft material are fixedly connected through riveting, the circumference of the annular rubber sleeve 221 is symmetrically connected with two training arms 222, and the upper surface of the annular rubber sleeve 221 is provided with a jack 223 and embedded with an iron block 224; the exchange mechanism 3 comprises a hanging box 31 arranged above the training mechanism, a driving motor 32 with a vertically downward motor shaft is hung on the top wall in the hanging box 31, a support rod 33 is fixedly connected to the lower end of the motor shaft of the driving motor 32, the lower end of the support rod 33 is fixedly connected with the center of a circular shelving plate 34, a plurality of shelving columns 341 are arranged near the edge of the circular shelving plate 34, a plurality of training arms 22 with different arm lengths of training support arms 222 are placed on the rest of the shelving columns except for one shelving column 341, a free shelving column without shelving of a training arm 22 is used for placing a training arm taken back from the expansion air ring 23, a horizontal support rod 35 is further arranged in the hanging box 31, a horizontal sliding unit 36 is arranged on the horizontal support rod 35, and a lifting cylinder 37 with a vertically downward piston rod is fixedly connected to the lower end of the horizontal sliding unit 36, the lower end of the piston rod of the lifting cylinder 37 is fixedly connected with a hollow stay 38, the annular surface of the lower end of the hollow stay 38 is fixed with a support column 381 corresponding to the insertion hole 223 and an electromagnet 382 corresponding to the iron block 224, so that in the process of exchanging the training arm 22, the support column 381 on the hollow stay 38 can be aligned and inserted with the insertion hole 223 on the upper surface of the annular rubber sleeve 221, so as to press the support column through the elastic action of rubber to keep the support column mutually connected in the exchanging process, and the electromagnet 382 on the hollow stay 38 can be aligned with the iron block 224 on the upper surface of the annular rubber sleeve 221, so that the adsorption action of the electromagnet 382 on the iron block 224 further enhances the mutual connection of the hollow stay 38 and the training arm 22 in the exchanging process, so as to finally exchange the training arm 22 through the hollow stay 38, and the support column 12 is provided with a switch electrically connected with the electromagnet 382, the on-off control of the electromagnet 382 is realized by pressing the switch, and any one of the training arms placed on the circular placing disc 34 can be exchanged with the training arm sleeved on the whole body of the expansion air ring 23 under the driving of the horizontal sliding unit 36 and the vertical movement of the lifting air cylinder 37 by the hollow support rod 38, so that the training requirements of Taiji boxing trainers with different arm lengths are met; the control unit is arranged on the support column 12, the hanging unit 15, the stepping motor, the clamping unit 16, the driving motor 32, the horizontal sliding unit 36 and the lifting cylinder 37 are electrically connected with the control unit, and all units and devices are controlled by the control unit; as an implementation mode, the control unit is realized by using an existing Siemens S7 series such as an S7-400PLC controller.

As a specific embodiment, please refer to fig. 2, the hanging unit 15 includes a mounting plate 151 fixedly disposed at an end of the supporting arm 14, a first side plate 152 and a second side plate 153 are fixed to a bottom surface of the mounting plate 151, a column hole 154 perpendicular to a surface of the first side plate is disposed at a lower portion of the first side plate 152, a column 155 perpendicular to a surface of the second side plate is disposed at a lower portion of the second side plate 153, a driving cylinder 156 electrically connected to the control unit is further fixed to a bottom surface of the mounting plate 151, a free end of a piston rod of the driving cylinder 156 is connected to a middle portion of a plate wall of the second side plate 153, and the column 155 of the second side plate 153 is driven by the driving cylinder 156 to rotate into the column hole 154 and abut against the column hole. During specific work, the hanging ring 27 is hung on the supporting column 155, then the control unit controls the driving cylinder 156 to stretch and retract to drive the second side plate 153 to rotate towards the direction close to the first side plate 152, so that the supporting column 155 on the second side plate 153 extends into the column hole 154 of the first side plate 152 to be abutted and contacted, and therefore hanging action of the hanging ring 27 on the hanging unit 15 is completed, and the operation of the hanging unit 15 away from the hanging ring 27 is opposite to that of the hanging ring 15.

As a specific embodiment, referring to fig. 1, the supporting unit 16 includes a column 161 fixedly installed on the installation base 11, a telescopic cylinder 162 electrically connected to the control unit is fixed at a top end of the column 161, a supporting rod 163 is horizontally and fixedly connected to a free end of a piston rod of the telescopic cylinder 162, and an arc plate 164 adapted to the whole body of the sandbag 21 is fixedly connected to one end of the supporting rod 163 far away from the telescopic cylinder 162. During specific work, the control unit controls the telescopic cylinder 162 to stretch and retract to drive the supporting rod 163 to move, and further drives the arc plate 164 to clamp and hold the whole body of the sandbag 21 so as to ensure that the sandbag can be kept stable in the process of changing the training arm, and the operation is convenient to change.

In a specific embodiment, the training arm 222 is made of a round hollow rubber tube, that is, the training arm 222 is made of a round hollow rubber tube, and the hollow rubber tube is soft and elastic, so that the manipulation can be changed after being grasped by a hand, and further the direction of the power generation can be changed.

As a specific embodiment, the upper surface of the annular rubber sleeve 221 is provided with two oppositely configured insertion holes 223 and two oppositely configured iron blocks 224 embedded therein, a center connecting line between the two insertion holes 223 is perpendicular to a center connecting line between the two iron blocks 224, that is, the insertion holes 223 and the iron blocks 224 are arranged on the upper surface of the annular rubber sleeve 221 at intervals and uniformly, two supporting columns 381 corresponding to the insertion holes 223 and two electromagnets 382 corresponding to the iron blocks 224 are fixed on the annular surface of the lower end of the hollow supporting rod 38, so that after the supporting columns 381 are inserted into the insertion holes 223, the supporting columns 381 can be clamped and fixed by the high rubber elasticity of the annular rubber sleeve 221, and meanwhile, by the adsorption effect of the electromagnets 382 on the iron blocks 224, it can be ensured that the connection between the hollow supporting rod 38 and the training arm 22 is more stable and firmer in the process of exchanging the training arm 22.

As an embodiment, referring to fig. 1, the horizontal sliding unit 36 includes a base 361 fixedly connected to the horizontal supporting rod 35 and a sleeve 362 slidably sleeved on the horizontal supporting rod 35, a supporting arm 363 is fixedly connected to the outer wall of the sleeve 362, the lifting cylinder 37 is fixedly connected to one end of the supporting arm 363 far away from the sleeve 362, a speed reducer 364 electrically connected with the control unit is fixedly installed on the base 361, the speed reducer 364 drives the sleeve 362 to horizontally slide along the axial direction of the horizontal support rod 35 through a screw 365 and a nut 366 on the screw, one end of the screw 365 is fixedly connected to the speed reducer 364, the nut 366 of the screw 365 is fixedly connected to the sleeve 362, thereby driving the supporting arm 363 to horizontally slide along the axial direction of the horizontal supporting rod 35 through the sleeve 362, and further drives the lifting cylinder 37 fixedly connected with one end of the supporting arm 363 to make horizontal movement along the axial direction of the horizontal supporting rod 35. Of course, those skilled in the art can also adopt other manners to drive the lifting cylinder 37 to move horizontally based on the structure of the horizontal sliding unit 36, such as a pneumatic cylinder or a hydraulic cylinder.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent changes may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all that should be covered by the claims of the present invention.

Claims

1. A Tai Chi eight-method trainer is characterized by comprising a supporting mechanism, a training mechanism, a changing mechanism and a control unit, wherein the supporting mechanism comprises an installation base, a supporting column is fixedly installed on the installation base, a rotating shaft is sleeved at the top end of the supporting column, a stepping motor for driving the rotating shaft to rotate is arranged in the supporting column, a supporting arm is fixedly connected to the rotating shaft, a hanging unit is arranged at one end, away from the rotating shaft, of the supporting arm, and two clamping units capable of clamping sandbags are further installed on the installation base; the training mechanism comprises a sand bag and a training arm, wherein an expansion air ring communicated with an external gas generator is fixedly connected to the circumferential direction of the sand bag, springs are fixedly connected to the upper end and the lower end of the sand bag, a rubber sheath is sleeved on the surface of each spring, one end, far away from the sand bag, of each spring is fixedly connected with a mounting block, the mounting block below the sand bag is fixedly arranged on a mounting base, a hanging ring suitable for hanging a hanging unit is arranged on the surface of the mounting block above the sand bag, the training arm comprises an annular rubber sleeve sleeved on the circumferential body of the expansion air ring, two training support arms are symmetrically connected to the circumferential direction of the annular rubber sleeve, and jacks are formed in the upper surface of the annular rubber sleeve and iron blocks are embedded in the annular rubber sleeve; the changing mechanism comprises a hanging cage arranged above the training mechanism, a driving motor with a motor shaft vertically downward is hung on the top wall in the hanging cage, a support rod is fixedly connected to the lower end of the motor shaft of the driving motor, the lower end of the support rod is fixedly connected with the center of a circular shelving disc, a plurality of shelving columns are arranged near the edge of the circular shelving disc, a training arm with different arm lengths of the training support arms is placed on each of the rest shelving columns except one shelving column, a horizontal support rod is further arranged in the hanging cage, a horizontal sliding unit is arranged on the horizontal support rod, a lifting cylinder with a vertically downward piston rod is fixedly connected to the lower end of the horizontal sliding unit, a hollow support rod is fixedly connected to the lower end of the piston rod of the lifting cylinder, a support column corresponding to the jack is fixed to the annular surface of the lower end of the hollow support rod, and an electromagnet corresponding to the, the supporting column is provided with a switch electrically connected with the electromagnet, and the hollow supporting rod can replace any training arm placed on the circular placing plate with a training arm sleeved on the whole body of the expansion air ring under the driving of the horizontal sliding unit and the driving of the vertical movement of the lifting cylinder; the control unit is arranged on the support column, and the hanging unit, the stepping motor, the clamping unit, the driving motor, the horizontal sliding unit and the lifting cylinder are all electrically connected with the control unit.

2. The tai chi eight-law trainer according to claim 1, wherein the hanging unit comprises a mounting plate fixedly arranged at the end of the supporting arm, a first side plate and a second side plate are fixed on the bottom surface of the mounting plate, a column hole perpendicular to the surface of the first side plate is formed in the lower portion of the first side plate, a column perpendicular to the surface of the second side plate is formed in the lower portion of the second side plate, a driving cylinder electrically connected with the control unit is further fixed on the bottom surface of the mounting plate, the free end of a piston rod of the driving cylinder is connected with the middle portion of the plate wall of the second side plate, and the column on the second side plate is driven by the driving cylinder to rotate to abut against the column hole.

3. The Tai Chi eight-law trainer according to claim 1, wherein the clamping unit comprises a vertical column fixedly mounted on the mounting base, a telescopic cylinder electrically connected with the control unit is fixed at the top end of the vertical column, a supporting rod is horizontally and fixedly connected to the free end of a piston rod of the telescopic cylinder, and an arc-shaped plate matched with the whole body of the sandbag is fixedly connected to one end, far away from the telescopic cylinder, of the supporting rod.

4. The tai chi eight-method trainer according to claim 1, wherein the training arm is a round hollow rubber tube.

5. The tai chi eight-law trainer as claimed in claim 1, wherein the upper surface of the annular rubber sleeve is provided with two oppositely arranged jacks and embedded with two oppositely arranged iron blocks, a central connecting line between the two jacks is perpendicular to a central connecting line between the two iron blocks, and the annular surface of the lower end of the hollow stay bar is fixed with two struts corresponding to the jacks and embedded with two electromagnets corresponding to the iron blocks.

6. The tai chi eight-law trainer as claimed in claim 1, wherein the horizontal sliding unit comprises a base fixedly sleeved on the horizontal support rod and a sleeve slidably sleeved on the horizontal support rod, the outer wall of the sleeve is fixedly connected with a support arm, the lifting cylinder and one end of the support arm far away from the sleeve are fixedly connected, the base is fixedly provided with a speed reducer electrically connected with the control unit, the speed reducer drives the sleeve to horizontally slide along the axial direction of the horizontal support rod through a lead screw and a nut on the lead screw, one end of the lead screw is fixedly connected to the speed reducer, and the nut on the lead screw is fixedly connected to the sleeve.