CN112741980B

CN112741980B - Dance basic training folded cascade training frame

Info

Publication number: CN112741980B
Application number: CN202110164075.3A
Authority: CN
Inventors: 陈艳艳
Original assignee: Wenzhou Polytechnic
Current assignee: Wenzhou Meidiya Cultural Media Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-12-14
Anticipated expiration: 2041-02-05
Also published as: CN112741980A

Abstract

The utility model provides a dance basic training folded cascade training frame, includes two slide rails that are parallel to each other, there is the movable block in every slide rail, there is first montant on the movable block, there is the plug bush two mutually back of the body ends of movable block, there is fixing device two mutually back of the body end bottoms of first montant, the guide way is seted up to the groove both sides inner wall that passes through on the first montant, there is the guide block between two guide ways, the second pivot is installed to the looks remote site of two guide blocks, be located the first pivot at rear and be located there is adjusting device between the second pivot at rear. The invention can be used for training basic dance functions such as holding feet at the waist while kneeling, stretching and sitting, can be adjusted according to the stature of a trainer or the age of the trainer to meet the training requirement of the trainer, and can be used for separating the fixing device from the plug bush or connecting the fixing device with the plug bush according to the requirement of a placing space after training is finished so as to directly place the parts such as the first vertical rod, the sliding rail and the like which are kept in a vertical state into the placing space.

Description

Dance basic training folded cascade training frame

Technical Field

The invention belongs to the technical field of dance training articles, and particularly relates to a foldable training frame for dance basic exercises.

Background

Dance is an art form of performance, which uses the body to perform various elegant or difficult movements, usually with musical accompaniment, and takes rhythmic movements as the main expression means. In the process of dance learning, basic skill learning is the basis of dancing, each part of a body can have flexibility, stability, coordination and flexibility by the basic skill training, the whole movement of the body can be more attractive, and the basic skill training is a basic condition for forming a dance vocabulary and is a necessary way for pushing to dance art; therefore, the foldable training frame for basic dance training is designed.

Disclosure of Invention

The invention provides a foldable training frame for basic dance training, which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

a foldable training frame for basic dance functions comprises two parallel slide rails, a sliding groove is formed in the inner wall of the bottom end of each slide rail, a plurality of limiting blocks are fixedly mounted on the inner walls of the front end and the rear end of each slide rail respectively, a moving block is arranged in each slide rail in a matched mode, a first roller is mounted at the bottom end of each moving block through a wheel carrier, the bottom end of the first roller can be in contact fit with the inner wall of the bottom end of the sliding groove, an inclined groove is formed in one side of the bottom end of each moving block, a telescopic rod is fixedly mounted on the inner wall of the top end of the inclined groove, a connecting block is fixedly mounted at the bottom end of the telescopic rod, a limiting plate is hinged to the bottom end of the connecting block, a first vertical rod is hinged to the top end of the moving block, inserting sleeves are fixedly mounted at the opposite ends of the two moving blocks respectively and are located above the slide rails, fixing devices are mounted at the bottoms of the opposite ends of the two first vertical rods in a matched mode, the fixing devices can be matched with the inserting sleeves, a horizontal plate is fixedly mounted at one side of the first vertical rod, the top surface of the horizontal plate and one side of the first vertical rod are respectively provided with a long groove, the interiors of the two long grooves are communicated, the top end of the long groove on the first vertical rod is communicated with the outside, the inner wall of one side of the long groove in the horizontal plate in front is fixedly provided with a forward and reverse rotating motor, the end part of an output shaft of the forward and reverse rotating motor is fixedly provided with a screw rod, one end of the screw rod is movably connected with the inner wall of one side of the long groove on the first vertical rod, the long groove in the horizontal plate in rear is internally provided with a first guiding device in a matching way, each horizontal plate is provided with a second vertical rod in a matching way, the bottom of the side end of the second vertical rod in front is provided with a screw hole, the screw rod passes through the screw hole and is in threaded fit with the screw hole, the second vertical rod in rear is connected with the first guiding device, the opposite ends of the two second vertical rods and the opposite ends of the two first vertical rods are respectively provided with a through groove, the through groove on the first vertical rod is communicated with the interior of the long groove on the first vertical rod, the top in groove communicates with each other with the external world, the vertical pole of the groove bottom inner wall fixed mounting that passes through on the second montant, the cooperation of vertical pole periphery suit removes the cover, the looks remote site difference movable mounting first pivot of two removal covers, pass through first clamp plate fixed connection between the looks remote site of two first pivots, the positive reverse motor control button of one side fixed mounting of first clamp plate, telescopic link control button, the guide way is seted up respectively to the groove both sides inner wall that passes through on the first montant, the cooperation is equipped with the guide block between two guide ways, the looks remote site difference movable mounting second pivot of two guide blocks, pass through second clamp plate fixed connection between two second pivots, the cooperation is equipped with adjusting device between the first pivot that is located the rear and the second pivot that is located the rear, the cooperation is equipped with second guider between the first pivot that is located the place ahead and the second pivot that is located the place ahead.

As above dance basic work folded cascade training frame, fixing device constitute by fixed cover, T type inserted bar, connecting block, the one end fixed connection of fixed cover and connecting block, the other end and the first montant fixed connection of connecting block, the vertical pole of T type inserted bar can pass fixed cover in proper order and insert to the plug bush.

According to the foldable training frame for basic dance training, the vertical supporting rod is fixedly installed on one side of the bottom end of the horizontal plate, the second roller is installed at the bottom end of the supporting rod through the wheel carrier, and the bottom end of the second roller can be in contact fit with the inner wall of the bottom end of the sliding groove.

As above dance basic training folded cascade training frame, first guider constitute by the guiding hole that first guide bar, the second montant side end bottom that is located the rear was seted up, the one end of first guide bar is installed in rectangular groove one side inner wall of horizontal plate, the other end of first guide bar is installed in rectangular groove one side inner wall of first montant, first guide bar passes the guiding hole.

As mentioned above foldable training frame for basic dance training, the adjusting device is composed of a first bearing, a second bearing, a threaded rod and a nut, the first bearing is installed on a first rotating shaft at the rear, the second bearing is installed on a second rotating shaft at the rear, one end of the threaded rod is movably connected with the side end of the second bearing, the threaded rod is in threaded fit with the nut, and the nut is installed at the top end of the first bearing.

As above dance basic training folded cascade training frame, second guider constitute by third bearing, fourth bearing, second guide bar, uide bushing, the third bearing is installed in the first pivot in the place ahead, the fourth bearing is installed in the second pivot in the place ahead, the second guide bar is installed in one side of fourth bearing, second guide bar and uide bushing fit, the uide bushing is installed in the top of third bearing.

The invention has the advantages that: when a trainer carries out basic dance training, the fixing device is matched with the plug bush, the first vertical rod is in a vertical state, the horizontal plate is in a horizontal state, when the trainer kneels down to grab feet or kneels down to the waist, the trainer kneels down between the two slide rails, the shoulder of the trainer is positioned between the first pressing plate and the second pressing plate, the telescopic rod control button is pressed, the telescopic rod extends to push the limiting plate out of the chute, then the forward and reverse motor control button is pressed to control the forward and reverse motor to rotate, the second vertical rod in front is driven to move towards the first vertical rod, the rotating speed of the forward and reverse motor is slower, the second vertical rod enters the long groove in the first vertical rod, the trainer simultaneously carries out backward waist descending, the first vertical rod moves towards the left side, the bending angle of the back waist descending of the trainer is larger, the best action is achieved, namely the ankle or the ear clamping state by hands, when the trainer moves backwards and downwards, the first pressure plate and the second pressure plate can be changed from a vertical state to a horizontal state, namely the maximum contact surface of the pressure plates is contacted with the upper part of the chest or the back of the trainer, so that the trainer is more comfortable in use, and when the first vertical rod drives the second vertical rod to move leftwards, the moving block can be limited through the matching of the limiting plate and the limiting block, so that the moving block can only move leftwards, namely the limiting plate moves leftwards, the limiting plate can cross the limiting block through the hinging of the limiting plate and the connecting block and enters the next limiting space, the limiting space is a space surrounded by two limiting blocks adjacent to the front and two limiting blocks adjacent to the rear, for the trainer with unskilled lower waist, the first pressure plate, the second pressure plate and the body have certain gaps, namely, the adjusting device does not need to be controlled, so that the trainer can bend continuously, the trainer can return upwards to avoid the pain of the trainer, for a more skilled trainer, the distance between the first pressing plate and the second pressing plate is adjusted through the adjusting device to clamp the trainer, the trainer moves backwards to lower the waist, a certain bending angle is kept when the trainer can not continue to lower the waist, and the trainer continues to lower the waist after being expanded; after the second vertical rod enters the long-strip groove of the first vertical rod, the first rotating shaft can enter the through groove in the first vertical rod and then move downwards; when the trainer performs stretching and sitting training, the upper half body of the trainer enters between the first pressing plate and the second pressing plate, the rear part of the trainer is contacted with the first pressing plate, the trainer faces to the left, the upper half body is kept vertical, and the trainer can perform instep tightening or foot hooking operation; the invention can be used for training basic dance functions such as holding feet at the waist while kneeling, holding the waist while kneeling, stretching and sitting and the like, can be adjusted according to the stature of a trainer or the age of the trainer so as to meet the training requirements of the trainer, and when the training is carried out backwards, the first vertical rod moves leftwards according to the pushing of the trainer, after the training is finished, the control button of the telescopic rod is pressed down, the telescopic rod is contracted, the limiting plate enters the chute, the moving block can move rightwards at the moment to finish the training, and after the training is finished, the fixing device can be separated from the plug bush according to the requirements of the placing space, the first vertical rod is turned over to the left side, the slide rail, the first vertical rod and other components are placed in the placing space, or the fixing device is connected with the plug bush, the first vertical rod, the slide rail and other components which are kept in the vertical state are directly placed in the placing space, the selection is made as required.

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 description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a view of A of FIG. 1; FIG. 3 is a view of B of FIG. 1; FIG. 4 is an enlarged view of a portion I of FIG. 1; FIG. 5 is a partial enlarged view of II of FIG. 3; fig. 6 is a partially enlarged view of III of fig. 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

A foldable training frame for basic dance work comprises two parallel slide rails 1, a sliding groove 2 is formed in the inner wall of the bottom end of each slide rail 1, a plurality of limiting blocks 3 are fixedly mounted on the inner walls of the front end and the rear end of each slide rail 1 respectively, each front limiting block and each rear limiting block 3 are located on the same longitudinal axis, as shown in figure 2, a moving block 4 is arranged in each slide rail 1 in a matched mode, a first roller 5 is mounted at the bottom end of the moving block 4 through a wheel carrier, the bottom end of the first roller 5 can be in contact fit with the inner wall of the bottom end of the sliding groove 2, the first roller 5 slides in the sliding groove 2, meanwhile, the sliding groove 2 also limits the first roller 5, the first roller 5 is prevented from being deviated, a chute 6 is formed in one side of the bottom end of each moving block 4, a telescopic rod 7 is fixedly mounted on the inner wall of the top end of the chute 6, the telescopic rod 7 is connected with a controller, and a connecting block is fixedly mounted at the bottom end of the telescopic rod 7, the bottom end of the connecting block is hinged with a limiting plate 8, the width of the limiting plate 8 is larger than the distance between two limiting blocks 3 which are arranged on the same axis and are arranged in the front-back direction, when the limiting plate 8 moves to the left side, the limiting plate 8 can cross the limiting blocks 3 and is positioned between two adjacent limiting blocks 3 which are positioned on the inner wall of the same end of the sliding rail and are arranged at the left side, and a moving block 3 is limited, when in use, the moving block 4 can only move to the left side, the top end of the moving block 4 is hinged with a first vertical rod 9, the opposite ends of the two moving blocks 4 are respectively fixedly provided with an inserting sleeve 10, the inserting sleeve 10 is positioned above the sliding rail 1, the bottom parts of the opposite ends of the two first vertical rods 9 are matched with a fixing device, the fixing device can be matched with the inserting sleeve 10, when the first vertical rod 9 needs to keep a vertical state, the parts in the fixing device are inserted into the inserting sleeve 10, at the moment, the first vertical rod 9 keeps a vertical state, and the fixing device is separated from the inserting sleeve 10, the first vertical rod 9 turns over around a hinge point with the moving block 4 as a center and becomes a horizontal state, one side of the first vertical rod 9 is fixedly provided with a horizontal plate 11, the top surface of the horizontal plate 11 and one side of the first vertical rod 9 are respectively provided with a long groove 12, the insides of the two long grooves 12 are communicated, the long grooves 12 on the first vertical rod 9 and the long grooves 12 on the horizontal plate 11 are arranged in an L shape, the top end of the long groove 12 on the first vertical rod 9 is communicated with the outside, the inner wall of one side of the long groove 12 in the horizontal plate 11 positioned in front is fixedly provided with a forward and reverse motor 13, the forward and reverse motor 13 is connected with a controller, the end part of an output shaft of the forward and reverse motor 13 is fixedly provided with a screw rod 14, one end of the screw rod 14 is movably connected with the inner wall of one side of the long groove 12 on the first vertical rod 9, the long groove 12 in the horizontal plate 11 positioned in back is provided with a first guiding device in a matching way, each horizontal plate 11 is provided with a second vertical rod 15 in a matching way, the screw is seted up to the side bottom of the second montant 15 that is located the place ahead, screw 14 pass the screw and with screw thread fit, the rectangular inslot 12 of horizontal plate 11 can be inserted to the bottom of second montant 15, and second montant 15 also can move to the rectangular inslot 12 in first montant 9, the second montant 15 that is located the rear is connected with first guider, the looks remote site of two second montants 15 is seted up respectively with the looks remote site of two first montants 9 and is passed through groove 16, it communicates with each other with the rectangular inslot 12 inside on first montant 9 to pass through groove 16 on the first montant 9, specifically do: the front end of a through groove 16 on a first vertical rod 9 positioned in front is connected and communicated with the rear end of a long groove 12 positioned in front, the rear end of the through groove 16 on the first vertical rod 9 positioned in rear is connected and communicated with the front end of the long groove 12 positioned in rear, the top end of the through groove 16 is communicated with the outside, a vertical rod 17 is fixedly arranged on the inner wall of the bottom end of the through groove 16 on a second vertical rod 15, a moving sleeve 18 is sleeved on the periphery of the vertical rod 17, opposite ends of the two moving sleeves 18 are respectively and movably provided with a first rotating shaft 19, the opposite ends of the two first rotating shafts 19 are fixedly connected through a first pressing plate 20, a forward and reverse motor control button and a telescopic rod control button are fixedly arranged on one side of the first pressing plate 20, the forward and reverse motor control button controls the forward and reverse motor 13 to rotate, the telescopic rod control button controls the extension or contraction of a telescopic rod 7, guide grooves 21 are respectively arranged on the inner walls on two sides of the through groove 16 on the first vertical rod 9, a guide block 22 is arranged between the two guide grooves 21 in a matching way, the guide block 22 is inserted into the two guide grooves 21 connected with the same through groove 16, the opposite ends of the two guide blocks 22 are respectively and movably provided with a second rotating shaft 23, the two second rotating shafts 23 are fixedly connected through a second pressing plate 24, an adjusting device is arranged between the first rotating shaft 19 positioned at the rear and the second rotating shaft 23 positioned at the rear in a matching way, when the first pressing plate 20 and the second pressing plate 24 are arranged up and down, the second vertical rod 15 enters the long strip groove 12 of the first vertical rod 9, the distance between the first platen 20 and the second platen 24 can be further adjusted by an adjustment device, when the second vertical rod 15 moves towards the long groove 12 of the first vertical rod 9, the second pressing plate 24 automatically moves downwards under the action of gravity, so that the phenomenon of jamming is avoided, and a second guiding device is arranged between the first rotating shaft 19 located in front and the second rotating shaft 23 located in front in a matching manner. When a trainer carries out basic dance training, firstly, the fixing device is matched with the inserting sleeve 10, the first vertical rod 9 is in a vertical state, the horizontal plate 1 is in a horizontal state, when the trainer kneels down to grab feet or kneels down to kneel down, the trainer kneels down between the two slide rails 1, the shoulder of the trainer is positioned between the first pressing plate 20 and the second pressing plate 24, the telescopic rod control button is pressed, the telescopic rod 7 is extended, the limiting plate 8 is pushed out from the chute 6, then the forward and reverse motor control button is pressed to control the forward and reverse motor 13 to rotate, the second vertical rod 15 in front is driven to move towards the first vertical rod 9, at the moment, the forward and reverse motor 13 has a slow rotating speed, the second vertical rod 15 enters the long strip groove 12 in the first vertical rod 9, simultaneously, the trainer carries out backward waist descending, the first vertical rod 9 moves towards the left side, so that the bending angle of the back waist descending of the trainer is larger, and the best action is achieved, namely, the state that the ankle is gripped by the hand or the ears are clamped by both hands, and in the process that the trainer drives the back to the waist, the first pressing plate 20 and the second pressing plate 24 can be changed into the horizontal state from the vertical state, namely, the maximum contact surface of the pressing plates is contacted with the chest or the back of the trainer, so that the use is more comfortable, when the first vertical rod 9 drives the second vertical rod 15 to move to the left, the moving block 4 can be limited through the matching of the limiting plate 8 and the limiting block 3, so that the moving block 4 can only move to the left, namely, when the limiting plate 8 moves to the left, the limiting plate 8 is hinged with the connecting block, the limiting block 3 can be crossed into the next limiting space, the limiting space is the space surrounded by the two limiting blocks 3 adjacent to the front and the two limiting blocks 3 adjacent to the back, for the trainer who is not skilled in the waist, a certain gap exists between the first pressing plate 20 and the second pressing plate 24 and the body, the trainer can return upwards without controlling an adjusting device when the trainer cannot continue bending, so that pain of the trainer is avoided, for a more skilled trainer, the distance between the first pressing plate 20 and the second pressing plate 24 is adjusted through the adjusting device, the trainer is clamped, the trainer moves backwards to lower the waist, when the trainer cannot continue to lower the waist, a certain bending angle is kept, and the trainer continues to lower the waist after being expanded; after the second vertical rod 15 enters the long groove 12 of the first vertical rod 9, the first rotating shaft 19 can enter the through groove 16 in the first vertical rod 9 and then move downwards; when the trainer performs stretching and sitting training, the upper half body of the trainer enters between the first pressing plate 20 and the second pressing plate 24, the rear part of the trainer is contacted with the first pressing plate 20, the trainer faces to the left, the upper half body is kept vertical, and the trainer can perform instep stretching or foot hooking operation; the invention can be used for training basic dance functions such as holding feet at the waist while kneeling, holding the waist while kneeling, stretching and sitting, can be adjusted according to the stature of a trainer or the age of the trainer to meet the training requirements of the trainer, when the training is carried out towards the back, the first vertical rod 9 moves leftwards under the pushing of the trainer, after the training is finished, the telescopic rod control button is pressed down, the telescopic rod 7 is contracted, the limiting plate 8 enters the chute 6, the moving block 4 can move rightwards, the training is finished, and after the training is finished, the fixing device can be separated from the inserting sleeve 10 according to the requirements of the placing space, the first vertical rod 9 is turned over towards the left side, the slide rail 1, the first vertical rod 9 and other components are placed in the placing space, or the fixing device is connected with the inserting sleeve 10, and the first vertical rod 9 which is kept in a vertical state can be directly connected with the inserting sleeve 10, The components such as the slide rail 1 are put into the placing space and selected as required.

Specifically, the fixing device described in this embodiment is composed of a fixing sleeve 25, a T-shaped insertion rod 26 and a connecting block, wherein the fixing sleeve 25 is fixedly connected with one end of the connecting block, the other end of the connecting block is fixedly connected with a first vertical rod 9, and a vertical rod of the T-shaped insertion rod 26 can sequentially penetrate through the fixing sleeve 25 and be inserted into the insertion sleeve 10. The horizontal pole length of T type inserted bar 26 is greater than the diameter of fixed cover 25, passes fixed cover 25, plug bush 10 through T type inserted bar 26, can make first montant 9 keep vertical state, when not using, shifts out T type inserted bar 26, can make first montant 9 turn over and turn over, folds, then slide rail 1 is vertical places, reduces occupation space.

Specifically, in this embodiment, a vertical supporting rod 27 is fixedly installed on one side of the bottom end of the horizontal plate 11, a second roller is installed at the bottom end of the supporting rod 27 through a wheel carrier, and the bottom end of the second roller can be in contact fit with the inner wall of the bottom end of the sliding groove 2. Through the support of the support rod 27, the stress of the horizontal plate 11 is more stable, the structure is firmer, and the effect is better in use.

Furthermore, the first guiding device described in this embodiment is composed of a first guiding rod 28 and a guiding hole 29 formed at the bottom of the side end of the second vertical rod 15 located at the rear, one end of the first guiding rod 28 is installed on the inner wall of the long groove 12 of the horizontal plate 11, the other end of the first guiding rod 28 is installed on the inner wall of the long groove 12 of the first vertical rod 9, and the first guiding rod 28 passes through the guiding hole 29. The first guide rod 28 and the guide block 29 cooperate to define and support the second vertical rod 15, so that the second vertical rod is more effective and stable in use.

Furthermore, the adjusting device of the present embodiment is composed of a first bearing 30, a second bearing 31, a threaded rod 32 and a nut 33, wherein the first bearing 30 is installed on the first rotating shaft 19 at the rear, the second bearing 31 is installed on the second rotating shaft 23 at the rear, one end of the threaded rod 32 is movably connected with the side end of the second bearing 31, the threaded rod 32 is in threaded fit with the nut 33, and the nut 33 is installed at the top end of the first bearing 30. The first pressing plate 20 and the second pressing plate 24 are arranged up and down and are parallel to each other, the threaded rod 32 is rotated to drive the second pressing plate 24 below to move upwards or the first pressing plate 20 above to move downwards, and the training requirements of trainers with different statures are met by adjusting the distance between the chest and the back of the trainer.

Furthermore, the second guiding device according to this embodiment is composed of a third bearing 34, a fourth bearing 35, a second guiding rod 36 and a guiding sleeve, the third bearing 34 is installed on the first rotating shaft 19 in front, the fourth bearing 35 is installed on the second rotating shaft 23 in front, the second guiding rod 36 is installed on one side of the fourth bearing 35, the second guiding rod 36 is assembled with the guiding sleeve, and the guiding sleeve is installed on the top end of the third bearing 34. Through the suit cooperation of second guide bar 3 and uide bushing, when the distance between first clamp plate and the second clamp plate was adjusted, can inject first pivot 19 and second pivot 23, avoid taking place the skew.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a dance basic training folded cascade training frame which characterized in that: the sliding track comprises two parallel sliding tracks (1), a sliding groove (2) is formed in the inner wall of the bottom end of each sliding track (1), a plurality of limiting blocks (3) are fixedly mounted on the inner walls of the front end and the rear end of each sliding track (1) respectively, a moving block (4) is arranged in each sliding track (1) in a matched manner, a first roller (5) is mounted at the bottom end of each moving block (4) through a wheel carrier, the bottom end of the first roller (5) can be in contact fit with the inner wall of the bottom end of the sliding groove (2), a chute (6) is formed in one side of the bottom end of each moving block (4), a telescopic rod (7) is fixedly mounted on the inner wall of the top end of the chute (6), a connecting block is fixedly mounted at the bottom end of the telescopic rod (7), a limiting plate (8) is hinged to the bottom end of the connecting block, a first vertical rod (9) is hinged to the top end of each moving block (4), plug bushes (10) are fixedly mounted at the opposite ends of the two moving blocks (4) respectively, and the plug bushes (10) are positioned above the sliding tracks (1), the bottom of the back end of each of the two first vertical rods (9) is matched with a fixing device, the fixing device can be matched with a plug bush (10), a horizontal plate (11) is fixedly installed on one side of each first vertical rod (9), long grooves (12) are respectively formed in the top surface of each horizontal plate (11) and one side of each first vertical rod (9), the interiors of the two long grooves (12) are communicated, the top end of each long groove (12) on each first vertical rod (9) is communicated with the outside, a forward and reverse motor (13) is fixedly installed on the inner wall of one side of each long groove (12) in the horizontal plate (11) in front, a screw rod (14) is fixedly installed at the end part of an output shaft of the forward and reverse motor (13), one end of each screw rod (14) is movably connected with the inner wall of one side of each long groove (12) on each first vertical rod (9), a first guide device is installed in the long grooves (12) in the horizontal plate (11) in rear in a matched mode, and provided with a second vertical rod (15), the screw hole is formed in the bottom of the side end of a second vertical rod (15) located in front, a screw rod (14) penetrates through the screw hole and is in threaded fit with the screw hole, the second vertical rod (15) located behind is connected with a first guiding device, the opposite ends of the two second vertical rods (15) and the opposite ends of the two first vertical rods (9) are respectively provided with a through groove (16), the through groove (16) in the first vertical rod (9) is communicated with the inside of a long groove (12) in the first vertical rod (9), the top end of the through groove (16) is communicated with the outside, a vertical rod (17) is fixedly installed on the inner wall of the bottom end of the through groove (16) in the second vertical rod (15), a moving sleeve (18) is sleeved on the periphery of the vertical rod (17) in a matching mode, a first rotating shaft (19) is movably installed on the opposite ends of the two moving sleeves (18) respectively, the opposite ends of the two first rotating shafts (19) are fixedly connected through a first pressing plate (20), a forward and reverse rotating motor control button and a reverse rotating motor are fixedly installed on one side of the first pressing plate (20), The telescopic rod control button, the guide way (21) is respectively opened to the inner wall of both sides of the through groove (16) on the first vertical rod (9), the guide block (22) is arranged between the two guide ways (21) in a matching way, the opposite ends of the two guide blocks (22) are respectively movably installed with the second rotating shaft (23), the two second rotating shafts (23) are fixedly connected through the second pressing plate (24), the adjusting device is arranged between the first rotating shaft (19) positioned at the rear and the second rotating shaft (23) positioned at the rear in a matching way, the second guiding device is arranged between the first rotating shaft (19) positioned at the front and the second rotating shaft (23) positioned at the front in a matching way, the adjusting device consists of a first bearing (30), a second bearing (31), a threaded rod (32) and a nut (33), the first bearing (30) is installed on the first rotating shaft (19) at the rear, the second bearing (31) is installed on the second rotating shaft (23) at the rear, one end of the threaded rod (32) is movably connected with the side end of the second bearing (31), the threaded rod (32) is in threaded fit with the nut (33), and the nut (33) is installed at the top end of the first bearing (30).

2. The foldable dance training frame according to claim 1, wherein: fixing device constitute by fixed cover (25), T type inserted bar (26), connecting block, the one end fixed connection of fixed cover (25) and connecting block, the other end and first montant (9) fixed connection of connecting block, the vertical pole of T type inserted bar (26) can pass fixed cover (25) in proper order and insert to plug bush (10).

3. The foldable dance training frame according to claim 1, wherein: one side of the bottom end of the horizontal plate (11) is fixedly provided with a vertical supporting rod (27), the bottom end of the supporting rod (27) is provided with a second roller through a wheel carrier, and the bottom end of the second roller can be in contact fit with the inner wall of the bottom end of the sliding groove (2).

4. The foldable dance training frame according to claim 1, wherein: first guider by first guide bar (28), be located guiding hole (29) that second montant (15) side bottom of rear was seted up and constitute, the one end of first guide bar (28) is installed in rectangular groove (12) one side inner wall of horizontal plate (11), the other end of first guide bar (28) is installed in rectangular groove (12) one side inner wall of first montant (9), guiding hole (29) are passed in first guide bar (28).

5. The foldable dance training frame according to claim 1, wherein: the second guiding device is composed of a third bearing (34), a fourth bearing (35), a second guiding rod (36) and a guiding sleeve, the third bearing (34) is installed on a first rotating shaft (19) in front, the fourth bearing (35) is installed on a second rotating shaft (23) in front, the second guiding rod (36) is installed on one side of the fourth bearing (35), the second guiding rod (36) is assembled with the guiding sleeve, and the guiding sleeve is installed on the top end of the third bearing (34).