CN210751309U

CN210751309U - Steel pipe dance performance device

Info

Publication number: CN210751309U
Application number: CN201921521013.8U
Authority: CN
Inventors: 章景
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-06-16
Anticipated expiration: 2029-09-09

Abstract

The utility model discloses a steel tube dance performance device, which relates to the dance appliance field and comprises a top seat, a base and a tube body; the top seat comprises a top seat installation bin, a top seat first bearing and a pipe sleeve; the top seat mounting bin is provided with a top seat mounting cavity, and the first bearing of the top seat is fixedly connected in the top seat mounting cavity; the pipe sleeve is connected in a bearing hole of the first bearing of the top seat, and a pipe body mounting hole and a first jackscrew hole are formed in the pipe sleeve; the base comprises a base mounting bin and a base first bearing, a base mounting cavity is formed in the base mounting bin, and the base first bearing is fixedly connected in the base mounting cavity; the upper part of the pipe body is inserted into the pipe body mounting hole, the first jackscrew penetrates through the first jackscrew hole and is jacked on the outer side wall of the pipe body, and the lower part of the pipe body is connected with the bearing hole of the first bearing of the base. The utility model has the advantages that: the stability of body has been improved, and is safe firm more, easy to assemble and dismantlement.

Description

Steel pipe dance performance device

Technical Field

The utility model relates to a dance utensil field especially relates to a steel pipe dance performance device.

Background

The steel tube dance is a better dance body-building mode, and the existing steel tube dance performance device has the following defects: the top of the steel pipe is fixedly connected with a section of thin thread adjusting rod, the top base is connected with the steel pipe through the thread adjusting rod, and the height of the steel pipe is adjusted, so that the connection mode is easy to loosen, and the stability of the steel pipe is influenced; the thread is easy to be locked due to rusting, so that the thread is difficult to disassemble; the threaded adjusting rod is thin and easy to bend, so that the steel pipe is easy to incline or topple; secondly, all sections of pipe sections of the steel pipe are connected through threads, and the connection mode is easy to loosen and influences the stability of the steel pipe; the thread is easy to be locked due to rusting, so that the thread is difficult to disassemble; thirdly, the steel pipes are connected together by adopting a plurality of sections of pipe sections, the number of the adopted pipe sections is more, the stability of the steel pipes is influenced, and the assembly and the disassembly are more troublesome; fourthly, the top seat and the base adopt a sucker type structure to suck the roof and the bottom surface, the stability is not enough, and the safe use height is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a steel pipe dance performance device that can improve the stability of body, stabilize more safely and easy to assemble and dismantle is provided.

The utility model discloses a realize solving above-mentioned technical problem through following technical means: the steel tube dance performance device comprises a top seat (1), a base (2) and a tube body (3); the top seat (1) comprises a top seat mounting bin (11), a top seat first bearing (12) and a pipe sleeve (14); a top seat mounting cavity (17) is formed in the top seat mounting bin (11), and the top seat first bearing (12) is fixedly connected into the top seat mounting cavity (17); the pipe sleeve (14) is connected in a bearing hole of the top seat first bearing (12), a pipe body mounting hole (18) and a first jackscrew hole (19) are formed in the pipe sleeve (14), the pipe body mounting hole (18) and the top seat first bearing (12) are coaxially arranged, and the axial direction of the first jackscrew hole (19) is perpendicular to the axial direction of the top seat first bearing (12) and penetrates through the side wall of the pipe sleeve (14); the base (2) comprises a base mounting bin (21) and a base first bearing (22), a base mounting cavity (26) is formed in the base mounting bin (21), and the base first bearing (22) is fixedly connected into the base mounting cavity (26); the upper part of the pipe body (3) is inserted into the pipe body mounting hole (18), a first jackscrew penetrates through the first jackscrew hole (19) and is abutted to the outer side wall of the pipe body (3), and the lower part of the pipe body (3) is connected into a bearing hole of the base first bearing (22).

During the installation with footstock installation storehouse and base installation storehouse respectively fixed on roof and ground, the upper portion of body has certain flexible space in the pipe box, even there is the error in room altitude measurement also need not trade the pipe, if the body is longer then stretch into in the pipe box more, if the body is shorter then stretch into in the pipe box less, can make the body can not reciprocate on the lateral wall of body through first jackscrew top, prevent that the body shake from shifting up. Compared with the mode that the steel pipe is connected to the top seat through the threaded adjusting pipe and the height of the steel pipe is adjusted in the prior art, the pipe body is not easy to loosen in the mode that the pipe body is fixed through the jackscrew, and the stability of the pipe body is improved; the situation that the pipe body is easy to incline or topple due to the fact that the threaded adjusting rod is thin is avoided, and the pipe body is safer and more stable; the situation that the threads are rusted and blocked is avoided, and the pipe body and the top seat are convenient to install and disassemble.

As an optimized technical scheme, a telescopic space of the pipe body is formed between the top of the pipe sleeve (14) and the top of the top seat mounting cavity (17). The flexible space of body makes the flexible scope of body bigger, and the body can stretch into the top in the flexible space of body at most, makes the error range that room height measurement allowed bigger.

As an optimized technical scheme, the pipe sleeve (14) comprises a cylindrical part and an inverted circular truncated cone part, the inverted circular truncated cone part and the cylindrical part are coaxially arranged and fixedly connected to the bottom of the cylindrical part, and the diameter of the top surface of the inverted circular truncated cone part is larger than that of the cylindrical part and larger than that of the bottom surface of the inverted circular truncated cone part; the cylindrical part is connected in a bearing hole of the first top seat bearing (12); the pipe body mounting hole (18) penetrates between the top surface of the cylindrical part and the bottom surface of the inverted circular truncated part; the first jackscrew hole (19) penetrates through the side wall of the rounded table portion. The shape of the pipe sleeve is convenient for the installation of the pipe sleeve and the installation of the pipe body.

As an optimized technical scheme, the top seat (1) further comprises a top seat second bearing (13), the top seat first bearing (12) and the top seat second bearing (13) are coaxially and fixedly connected in the top seat installation cavity (17), the top seat first bearing (12) is located below the top seat second bearing (13), and the pipe sleeve (14) is connected to the top seat first bearing (12) and the top seat second bearing (13) simultaneously in bearing holes. Two top seat bearings, namely a first top seat bearing and a second top seat bearing, are arranged, so that the connection between the pipe sleeve and the top seat bearing is more stable.

As an optimized technical scheme, the base (2) further comprises a base second bearing (23), the base first bearing (22) and the base second bearing (23) are coaxially and fixedly connected in the base installation cavity (26), the base first bearing (22) is positioned below the base second bearing (23), and the diameter of a bearing hole of the base first bearing (22) is smaller than that of the bearing hole of the base second bearing (23); the lower part of the pipe body (3) is fixedly connected with a bearing column (322) and a shaft head (323); the bearing column (322) and the shaft head (323) are both cylinders, the diameter of the shaft head (323) is smaller than that of the bearing column (322), and the shaft head (323) and the bearing column (322) are coaxially arranged and fixedly connected to the lower end of the bearing column (322); the bearing column (322) is connected in a bearing hole of the first base bearing (22), and the shaft head (323) is connected in a bearing hole of the second base bearing (23). Set up two base bearings and base first bearing and base second bearing promptly to set up bearing post and spindle nose, make body and base bearing's be connected more stably.

As an optimized technical scheme, the top seat (1) further comprises a top seat clamping spring (15), the top seat clamping spring (15) is installed in the top seat installation cavity (17), and the top seat clamping spring (15) is located below the top seat first bearing (12); the base (2) further comprises a base clamp spring (24), the base clamp spring (24) is installed in the base installation cavity (26), and the base clamp spring (24) is located below the base first bearing (22). The top seat clamp spring and the base clamp spring respectively play an axial limiting role in the first top seat bearing and the first base bearing.

As an optimized technical scheme, a second jackscrew hole (27) is formed in the base mounting bin (21), and the axial direction of the second jackscrew hole (27) is perpendicular to the axial direction of the base first bearing (22) and penetrates through the side wall of the base mounting bin (21); the lower part of the pipe body (3) is provided with a tangent plane, and a second jackscrew can penetrate through the second jackscrew hole (27) and be propped against the tangent plane. The pipe body can be in a static state incapable of rotating by screwing the second jackscrew, and the pipe body is convenient to switch between rotation and static.

As an optimized technical scheme, a plurality of footstock screw holes (16) are formed in the footstock mounting bin (11), and the footstock mounting bin (11) is fixedly connected to the roof through screws penetrating through the footstock screw holes (16); a plurality of base screw holes (25) are formed in the base installation bin (21), and the base installation bin (21) is fixedly connected to the ground through screws penetrating through the base screw holes (25). The footstock and the base are fixed on the roof and the ground through screws, the connection is stable, the occupied area is small, and the safe use height is high.

As an optimized technical scheme, the device also comprises a pipe section connecting mechanism (4), wherein the pipe body (3) comprises a plurality of pipe sections, and each adjacent pipe section is fixedly connected through the pipe section connecting mechanism (4); the pipe section connecting mechanism (4) comprises a jacking expansion pipe (41), a jacking expansion groove (42), a push-pull key (43), a third jackscrew hole (44), a fourth jackscrew hole (45), a fifth jackscrew hole (46) and a sixth jackscrew hole (47); a top expansion groove (42) is formed in the side wall of the top expansion pipe (41), the length direction of the top expansion groove (42) is parallel to the axial direction of the top expansion pipe (41), and the top expansion groove (42) penetrates through the side wall of the top expansion pipe (41); one side of the push-pull key (43) is fixedly connected with the inner side wall of the push expansion pipe (41), and a gap is formed between the other side of the push-pull key and the inner side wall of the push expansion pipe (41) opposite to the other side of the push-pull key; two ends of the ejection expanding pipe (41) extend into the inner cavities of the two adjacent pipe sections from the end parts of the two adjacent pipe sections respectively, a third jackscrew hole (44) is formed in the side wall of one pipe section, a fifth jackscrew hole (46) is formed in the side wall of the other pipe section, a fourth jackscrew hole (45) and a sixth jackscrew hole (47) are formed in the side wall, opposite to the push-pull key (43), of the ejection expanding pipe (41), the third jackscrew hole (44) is communicated with the fourth jackscrew hole (45) to form a first connecting hole, and the fifth jackscrew hole (46) is communicated with the sixth jackscrew hole (47) to form a second connecting hole; and the third jackscrew and the fourth jackscrew respectively penetrate through the first connecting hole and the second connecting hole to be jacked on the push-pull key (43). Each pipe section of the pipe body is connected through the top expansion pipe, so that the pipe body is not easy to loosen, and the stability of the pipe body is improved; the situation that the threads are rusted and blocked is avoided, and the pipe sections are convenient to install and detach.

As an optimized technical scheme, the pipe body (3) comprises an upper pipe (31) and a lower pipe (32); the upper part of the upper pipe (31) is inserted into the pipe body mounting hole (18), and a first jackscrew penetrates through the first jackscrew hole (19) and is pressed against the outer side wall of the upper pipe (31); the upper end of the lower pipe (32) is fixedly connected with the lower end of the upper pipe (31) through the pipe section connecting mechanism (4); the lower part of the lower pipe (32) is connected in a bearing hole of the base first bearing (22). The adopted pipe sections are few in number, high in stability and convenient to install and disassemble.

The utility model has the advantages that:

1. the pipe body telescopic space is arranged on the footstock installation bin, and the pipe body is not easy to loosen in a mode of fixing the pipe body through the jackscrews, so that the stability of the pipe body is improved; the situation that the pipe body is easy to incline or topple due to the fact that the threaded adjusting rod is thin is avoided, and the pipe body is safer and more stable; the situation that the threads are rusted and blocked is avoided, and the pipe body and the top seat are convenient to install and disassemble.

2. The pipe body can be in a static state incapable of rotating by screwing the jackscrew, and the pipe body is convenient to switch between rotation and static.

3. The footstock and the base are fixed on the roof and the ground through screws, the connection is stable, the occupied area is small, and the safe use height is high.

4. Each pipe section of the pipe body is connected through the top expansion pipe, so that the pipe body is not easy to loosen, and the stability of the pipe body is improved; the situation that the threads are rusted and blocked is avoided, and the pipe sections are convenient to install and detach.

5. The adopted pipe sections are few in number, high in stability and convenient to install and disassemble.

Drawings

Figure 1 is the structure schematic diagram of the steel tube dance performance device of the embodiment of the utility model.

Figure 2 is the explosion diagram of the top seat of the steel tube dance performance device of the utility model.

Figure 3 is the base of the steel tube dance performance device of the utility model.

Fig. 4 is an exploded view of the connection mechanism of the steel tube dance performance device of the embodiment of the present invention.

Fig. 5 is a schematic view of a method for mounting an upper tube and a top seat of a steel tube dance performance device according to the present invention.

FIG. 6 is a schematic view of a method for mounting a lower tube and a base of a steel tube dance performance apparatus according to the present invention.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in figures 1 to 6, the steel tube dance performance device comprises a top seat 1, a base 2, a tube body 3 and a tube section connecting mechanism 4.

The top seat 1 comprises a top seat installation bin 11, a top seat first bearing 12, a top seat second bearing 13, a pipe sleeve 14 and a top seat clamp spring 15.

Footstock installation storehouse 11 includes top dish and first cylindricality storehouse, the top dish with first cylindricality storehouse is the cylinder, the diameter in first cylindricality storehouse is less than the diameter of top dish, first cylindricality storehouse with the coaxial setting of top dish and fixed connection be in the bottom of top dish, first cylindricality storehouse with top dish structure as an organic whole.

A plurality of footstock screw holes 16 have been seted up on footstock installation storehouse 11, and the axial of each footstock screw hole 16 all is on a parallel with the axial of top dish is run through between the top surface and the bottom surface of top dish, footstock installation storehouse 11 is on the roof through the inflation screw fixed connection who passes each footstock screw hole 16.

The footstock installation cavity 17 is formed in the footstock installation bin 11, the footstock installation cavity 17 is a cylindrical through hole, and the footstock installation cavity 17 and the footstock installation bin 11 are coaxially arranged and penetrate between the top surface of a footstock of the footstock installation bin 11 and the bottom surface of the first cylindrical bin.

The first footstock bearing 12 and the coaxial fixed connection of footstock second bearing 13 are in footstock installation cavity 17, and first footstock bearing 12 and footstock second bearing 13 all set up with the same axle of footstock installation cavity 17, and first footstock bearing 12 is located the below of footstock second bearing 13, and the first footstock bearing 12 is the same with the dead eye diameter of footstock second bearing 13.

The pipe sleeve 14 comprises a cylindrical part and an inverted circular truncated part, the inverted circular truncated part is coaxially arranged with the cylindrical part and fixedly connected to the bottom of the cylindrical part, the inverted circular truncated part and the cylindrical part are of an integral structure, the diameter of the top surface of the inverted circular truncated part is larger than that of the cylindrical part and larger than that of the bottom surface of the inverted circular truncated part, and the diameter of the top surface of the inverted circular truncated part is the same as that of the first cylindrical bin; the cylindrical part is simultaneously connected in bearing holes of the first top seat bearing 12 and the second top seat bearing 13, and a certain distance is reserved between the top of the cylindrical part and the top of the top seat mounting cavity 17 to form a telescopic space of the pipe body; the rounded table portion is located below the first cylindrical bin.

The pipe sleeve 14 is provided with a pipe body mounting hole 18, the pipe body mounting hole 18 is a cylindrical through hole, the pipe body mounting hole 18 is coaxially arranged with the first top seat bearing 12 and the second top seat bearing 13 and penetrates between the top surface of the cylindrical part and the bottom surface of the inverted circular truncated part of the pipe sleeve 14, and the pipe body mounting hole 18 is communicated with the pipe body telescopic space.

The pipe sleeve 14 is provided with a first jackscrew hole 19, and the axial direction of the first jackscrew hole 19 is perpendicular to the axial direction of the first top seat bearing 12 and the second top seat bearing 13 and penetrates through the side wall of the inverted circular truncated cone part.

The footstock clamping spring 15 is arranged in the footstock mounting cavity 17, and the footstock clamping spring 15 is positioned below the footstock first bearing 12.

The base 2 comprises a base mounting bin 21, a base first bearing 22, a base second bearing 23 and a base clamp spring 24.

Base installation storehouse 21 includes chassis and second cylindrical bin, the chassis with second cylindrical bin is the cylinder, the diameter in second cylindrical bin is less than the diameter on chassis, second cylindrical bin with the coaxial setting and the fixed connection in chassis are in the top of top dish, second cylindrical bin with the chassis structure as an organic whole.

A plurality of base screw holes 25 are formed in the base installation bin 21, the axial direction of each base screw hole 25 is parallel to the axial direction of the base plate and penetrates through the space between the top surface and the bottom surface of the base plate, and the base installation bin 21 is fixedly connected to the ground through expansion screws penetrating through the base screw holes 25.

The base installation cavity 26 is formed in the base installation bin 21, the base installation cavity 26 is a cylindrical through hole, and the base installation cavity 26 and the base installation bin 21 are coaxially arranged and penetrate between the top surface of the second cylindrical bin of the base installation bin 21 and the bottom surface of the chassis.

The base mounting bin 21 is provided with a second jackscrew hole 27, and the axial direction of the second jackscrew hole 27 is perpendicular to the axial direction of the base first bearing 22 and the base second bearing 23 and penetrates through the side wall of the base mounting bin 21.

Base first bearing 22 and the coaxial fixed connection of base second bearing 23 are in pedestal mounting cavity 26, and base first bearing 22 and base second bearing 23 all set up with pedestal mounting cavity 26 is coaxial, and base first bearing 22 is located the below of base second bearing 23, and the dead eye diameter of base first bearing 22 is less than the dead eye diameter of base second bearing 23.

The base snap spring 24 is mounted in the base mounting cavity 26, and the base snap spring 24 is located below the base first bearing 22.

The tubular body 3 comprises an upper tube 31, a lower tube 32, the lower tube 32 being a main rod of fixed length, the length of the upper tube 31 being cut according to a previously measured height of the room.

The upper pipe 31 is a cylindrical steel pipe, the upper part of the upper pipe 31 is inserted into the pipe body mounting hole 18, and the first jackscrew penetrates through the first jackscrew hole 19 and is jacked on the outer side wall of the upper pipe 31;

the down tube 32 comprises a down tube main body 321, a bearing column 322 and a shaft head 323; the lower pipe main body 321 is a cylindrical steel pipe with the same diameter as that of the upper pipe 31, and the upper end of the lower pipe main body 321 is fixedly connected with the lower end of the upper pipe 31 through a pipe section connecting mechanism 4; the bearing post 322 is a cylinder with a diameter smaller than that of the lower pipe main body 321, and the bearing post 322 and the lower pipe main body 321 are coaxially arranged and fixedly connected to the lower end of the lower pipe main body 321; the shaft head 323 is a cylinder with the diameter smaller than that of the bearing column 322, and the shaft head 323 and the bearing column 322 are coaxially arranged and fixedly connected to the lower end of the bearing column 322; the upper part of the bearing column 322 is connected in the bearing hole of the first base bearing 22, the lower part of the bearing column 322 is positioned between the first base bearing 22 and the second base bearing 23, and the shaft head 323 is connected in the bearing hole of the second base bearing 23; the outer side wall of the lower part of the bearing column 322 is provided with a rectangular section, and the second jackscrew can penetrate through the second jackscrew hole 27 to be propped against the section, so that the pipe body 3 is in a static state incapable of rotating.

The pipe section connecting mechanism 4 comprises a jacking expansion pipe 41, a jacking expansion groove 42, a push-pull key 43, a third jackscrew hole 44, a fourth jackscrew hole 45, a fifth jackscrew hole 46 and a sixth jackscrew hole 47; the top expansion pipe 41 is a cylindrical pipe; a top expansion groove 42 is formed in the side wall of the top expansion pipe 41, the length direction of the top expansion groove 42 is parallel to the axial direction of the top expansion pipe 41, the top expansion groove 42 extends from one end of the top expansion pipe 41 to the other end, and the top expansion groove 42 penetrates through the side wall of the top expansion pipe 41; the push-pull key 43 is a cuboid, the length direction of the push-pull key 43 is parallel to the axial direction of the ejector expansion pipe 41, the push-pull key 43 extends from one end of the ejector expansion pipe 41 to the other end, one side surface where the length and the width of the push-pull key 43 are located is fixedly connected with the inner side wall of the ejector expansion pipe 41, and a gap is formed between the other side surface where the length and the width of the push-pull key 43 are located and the inner side wall of the ejector expansion pipe 41 opposite to the other side surface; two ends of the ejector expansion pipe 41 respectively extend into the inner cavities of the upper pipe 31 and the lower pipe 32 from the lower end of the upper pipe 31 and the upper end of the lower pipe 32, a third jackscrew hole 44 is formed in the side wall of the upper pipe 31, a fifth jackscrew hole 46 is formed in the side wall of the lower pipe 32, a fourth jackscrew hole 45 and a sixth jackscrew hole 47 are formed in the side wall of the ejector expansion pipe 41 opposite to the push-pull key 43, the third jackscrew hole 44 is communicated with the fourth jackscrew hole 45 to form a first connecting hole, the fifth jackscrew hole 46 is communicated with the sixth jackscrew hole 47 to form a second connecting hole, and the third jackscrew and the fourth jackscrew respectively penetrate through the first connecting hole and the second connecting hole to be pushed against the push-pull key 43.

The utility model discloses steel pipe dance performance device's mounting method does: firstly, connecting the cylindrical part of the pipe sleeve 14 in bearing holes of the top seat first bearing 12 and the top seat second bearing 13, and connecting the bearing column 322 and the shaft head 323 of the lower pipe 32 in bearing holes of the base first bearing 22 and the base second bearing 23; then, two ends of the jacking pipe 41 respectively extend into the inner cavities of the upper pipe 31 and the lower pipe 32 from the lower end of the upper pipe 31 and the upper end of the lower pipe main body 321, so that the third jacking hole 44 is aligned with the fourth jacking hole 45 to form a first connecting hole, and the fifth jacking hole 46 is aligned with the sixth jacking hole 47 to form a second connecting hole; then, a third jackscrew and a fourth jackscrew are respectively screwed in the first connecting hole and the second connecting hole by using an inner hexagonal wrench, and the third jackscrew and the fourth jackscrew jointly prop against a push-pull key 43 to prop open an ejection expansion slot 42, so that an ejection expansion pipe 41 is tightly expanded in the inner cavities of the upper pipe 31 and the lower pipe 32, and the upper pipe 31 and the lower pipe 32 are firmly and stably connected together; then, the upper part of the upper pipe 31 is inserted into the pipe body mounting hole 18 from the bottom opening of the circular table part of the pipe sleeve 14, the top disc and the chassis are respectively fixed on the roof and the ground through expansion screws according to the measured punching position, because the upper part of the pipe body 3 has a certain telescopic space in the pipe sleeve 14, and a pipe body telescopic space is arranged between the top of the pipe sleeve 14 and the top of the top seat mounting cavity 17, the pipe does not need to be replaced even if the room height measurement has error, if the pipe body 3 is longer, more pipe bodies can extend into the pipe sleeve 14, and if the pipe body 3 is shorter, less pipe bodies can extend into the pipe sleeve 14, the pipe body 3 can extend into the top of the pipe body telescopic space at most and at least needs to extend into the position of the pipe sleeve 14 with the first jackscrew hole 19; finally, screwing the first jackscrew in the first jackscrew hole 19 by using an inner hexagonal wrench to enable the first jackscrew to be propped against the outer side wall of the upper pipe 31, so that the pipe body 3 cannot move up and down, and the pipe body 3 is prevented from shaking and moving upwards; if the tubular body 3 is to be held in a stationary state against rotation, a second jack screw can be screwed into the second jack screw hole 27 with a socket wrench so as to abut against the cut surface of the bearing cylinder 322.

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

Claims

1. The utility model provides a steel pipe dance performance device which characterized in that: comprises a top seat (1), a base (2) and a pipe body (3); the top seat (1) comprises a top seat mounting bin (11), a top seat first bearing (12) and a pipe sleeve (14); a top seat mounting cavity (17) is formed in the top seat mounting bin (11), and the top seat first bearing (12) is fixedly connected into the top seat mounting cavity (17); the pipe sleeve (14) is connected in a bearing hole of the top seat first bearing (12), a pipe body mounting hole (18) and a first jackscrew hole (19) are formed in the pipe sleeve (14), the pipe body mounting hole (18) and the top seat first bearing (12) are coaxially arranged, and the axial direction of the first jackscrew hole (19) is perpendicular to the axial direction of the top seat first bearing (12) and penetrates through the side wall of the pipe sleeve (14); the base (2) comprises a base mounting bin (21) and a base first bearing (22), a base mounting cavity (26) is formed in the base mounting bin (21), and the base first bearing (22) is fixedly connected into the base mounting cavity (26); the upper part of the pipe body (3) is inserted into the pipe body mounting hole (18), a first jackscrew penetrates through the first jackscrew hole (19) and is abutted to the outer side wall of the pipe body (3), and the lower part of the pipe body (3) is connected into a bearing hole of the base first bearing (22).

2. A tube dance performance apparatus according to claim 1, wherein: a telescopic space of the pipe body is formed between the top of the pipe sleeve (14) and the top of the top seat mounting cavity (17).

3. A tube dance performance apparatus according to claim 1, wherein: the pipe sleeve (14) comprises a cylindrical part and an inverted circular truncated part, the inverted circular truncated part and the cylindrical part are coaxially arranged and fixedly connected to the bottom of the cylindrical part, and the diameter of the top surface of the inverted circular truncated part is larger than that of the cylindrical part and larger than that of the bottom surface of the inverted circular truncated part; the cylindrical part is connected in a bearing hole of the first top seat bearing (12); the pipe body mounting hole (18) penetrates between the top surface of the cylindrical part and the bottom surface of the inverted circular truncated part; the first jackscrew hole (19) penetrates through the side wall of the rounded table portion.

4. A tube dance performance apparatus according to claim 1, wherein: footstock (1) still includes footstock second bearing (13), footstock first bearing (12) with footstock second bearing (13) coaxial fixed connection be in footstock installation cavity (17), footstock first bearing (12) are located the below of footstock second bearing (13), pipe box (14) are connected simultaneously footstock first bearing (12) with in the dead eye of footstock second bearing (13).

5. A tube dance performance apparatus according to claim 1, wherein: the base (2) further comprises a base second bearing (23), the base first bearing (22) and the base second bearing (23) are coaxially and fixedly connected in the base installation cavity (26), the base first bearing (22) is located below the base second bearing (23), and the diameter of a bearing hole of the base first bearing (22) is smaller than that of a bearing hole of the base second bearing (23); the lower part of the pipe body (3) is fixedly connected with a bearing column (322) and a shaft head (323); the bearing column (322) and the shaft head (323) are both cylinders, the diameter of the shaft head (323) is smaller than that of the bearing column (322), and the shaft head (323) and the bearing column (322) are coaxially arranged and fixedly connected to the lower end of the bearing column (322); the bearing column (322) is connected in a bearing hole of the first base bearing (22), and the shaft head (323) is connected in a bearing hole of the second base bearing (23).

6. A tube dance performance apparatus according to claim 1, wherein: the top seat (1) further comprises a top seat clamping spring (15), the top seat clamping spring (15) is installed in the top seat installation cavity (17), and the top seat clamping spring (15) is located below the top seat first bearing (12); the base (2) further comprises a base clamp spring (24), the base clamp spring (24) is installed in the base installation cavity (26), and the base clamp spring (24) is located below the base first bearing (22).

7. A tube dance performance apparatus according to any one of claims 1 to 6, wherein: a second jackscrew hole (27) is formed in the base mounting bin (21), and the axial direction of the second jackscrew hole (27) is perpendicular to the axial direction of the first bearing (22) of the base and penetrates through the side wall of the base mounting bin (21); the lower part of the pipe body (3) is provided with a tangent plane, and a second jackscrew can penetrate through the second jackscrew hole (27) and be propped against the tangent plane.

8. A tube dance performance apparatus according to any one of claims 1 to 6, wherein: a plurality of footstock screw holes (16) are formed in the footstock mounting bin (11), and the footstock mounting bin (11) is fixedly connected to the roof through screws penetrating through the footstock screw holes (16); a plurality of base screw holes (25) are formed in the base installation bin (21), and the base installation bin (21) is fixedly connected to the ground through screws penetrating through the base screw holes (25).

9. A tube dance performance apparatus according to any one of claims 1 to 6, wherein: the device also comprises a pipe section connecting mechanism (4), wherein the pipe body (3) comprises a plurality of pipe sections, and each adjacent pipe section is fixedly connected through the pipe section connecting mechanism (4); the pipe section connecting mechanism (4) comprises a jacking expansion pipe (41), a jacking expansion groove (42), a push-pull key (43), a third jackscrew hole (44), a fourth jackscrew hole (45), a fifth jackscrew hole (46) and a sixth jackscrew hole (47); a top expansion groove (42) is formed in the side wall of the top expansion pipe (41), the length direction of the top expansion groove (42) is parallel to the axial direction of the top expansion pipe (41), and the top expansion groove (42) penetrates through the side wall of the top expansion pipe (41); one side of the push-pull key (43) is fixedly connected with the inner side wall of the push expansion pipe (41), and a gap is formed between the other side of the push-pull key and the inner side wall of the push expansion pipe (41) opposite to the other side of the push-pull key; two ends of the ejection expanding pipe (41) extend into the inner cavities of the two adjacent pipe sections from the end parts of the two adjacent pipe sections respectively, a third jackscrew hole (44) is formed in the side wall of one pipe section, a fifth jackscrew hole (46) is formed in the side wall of the other pipe section, a fourth jackscrew hole (45) and a sixth jackscrew hole (47) are formed in the side wall, opposite to the push-pull key (43), of the ejection expanding pipe (41), the third jackscrew hole (44) is communicated with the fourth jackscrew hole (45) to form a first connecting hole, and the fifth jackscrew hole (46) is communicated with the sixth jackscrew hole (47) to form a second connecting hole; and the third jackscrew and the fourth jackscrew respectively penetrate through the first connecting hole and the second connecting hole to be jacked on the push-pull key (43).

10. A tube dance performance apparatus according to claim 9, wherein: the pipe body (3) comprises an upper pipe (31) and a lower pipe (32); the upper part of the upper pipe (31) is inserted into the pipe body mounting hole (18), and a first jackscrew penetrates through the first jackscrew hole (19) and is pressed against the outer side wall of the upper pipe (31); the upper end of the lower pipe (32) is fixedly connected with the lower end of the upper pipe (31) through the pipe section connecting mechanism (4); the lower part of the lower pipe (32) is connected in a bearing hole of the base first bearing (22).