CN111494907A - A sparring stake for martial arts Sanda - Google Patents

Abstract

The invention discloses an accompanying wooden pile for martial arts free combat, relates to the technical field of accompanying wooden piles for martial arts free combat, and solves the problems that the accompanying wooden pile for martial arts free combat is inconvenient to use, cannot be adjusted freely, and is inconvenient to mount and dismount. The invention provides an accompanying and practicing wood pile for martial arts free combat, which comprises a body beating pile, wherein limiting grooves are formed in two sides of the body beating pile, first connecting frames are mounted at two ends of each limiting groove, a connecting clamping block is mounted on the inner side of each first connecting frame, a jack is formed in one side of each connecting clamping block, a containing wheel is mounted at one end of the inner side of each connecting clamping block, a knob is mounted at one end of each containing wheel, second ropes are mounted at the upper end and the lower end of each containing wheel, a strip-shaped block is mounted at the lower end of one end of each second rope and connected with the connecting clamping block through springs, and an inserting column is mounted on one side of each jack.

Description

A sparring stake for martial arts Sanda

technical field

The invention relates to the technical field of sparring wood stakes for martial arts sanda, in particular to a sparring wood stake for martial arts sanda.

Background technique

With the rapid development of society and economy, Sanda, also known as Sanshou, is a fighting project in which two people follow certain rules and use offensive and defensive techniques such as kicking, hitting, and throwing in traditional martial arts to subdue each other and fight with bare hands. The important competition forms of martial arts are divided into ancient sanshou and modern sanshou. As the earliest development of sanshou, ancient sanshou must be able to fight against single people, weapons or multiple people, using head, fingers, palms, fists, elbows, shoulders , knees, legs, hips, arms and other parts of the attack, pay attention to surprises in fighting, do not pay attention to flower tricks only pay attention to winning and practical, modern Sanda is common with straight fists, swing fists, copy fists, whip fists, whip legs, kicks The offensive and defensive techniques combined with kicking, hitting, and throwing are composed of techniques such as kicking, kicking, and throwing. Sanda has no routines, only single moves and combinations. Flexibility, sensitivity and other qualities; at the same time, Sanda is a resistance sports, which can develop people's mind and make people's body and mind get a comprehensive exercise. Persist in Sanda training to strengthen the muscles and bones and strengthen the physique.

However, the existing sparring stakes for Wushu Sanda are inconvenient to use, cannot be adjusted arbitrarily, and are inconvenient to assemble; therefore, they do not meet the existing needs, so we propose a sparring wood stake for Wushu Sanda.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a sparring stake for Wushu Sanda, to solve the problems of inconvenient use, inconvenient adjustment, inconvenient assembly, etc.

In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a sparring wooden stake for martial arts sanda, including a body hitting stake, both sides of the body hitting stake are provided with limiting grooves, and both ends of the limiting groove are installed There is a first connection frame, a connection block is installed on the inner side of the first connection frame, a socket is provided on one side of the connection block, and a storage wheel is installed at one end of the inner side of the connection block, and one end of the storage wheel is installed A knob is installed, a second rope is installed on the upper end and the lower end of the storage wheel, and a bar-shaped block is installed on the lower end of one end of the second rope. The bar-shaped block and the connection block are connected by a spring, and the jack A pin is installed on one side of the pin, the upper and lower ends of the pin are provided with strip grooves, and one end of the pin is installed with a practice roller;

A transmission rod is installed on the other side of the inner side of the first connection frame, a second connection frame is installed on one side of the transmission rod, and a limit sleeve is installed on one side of the second connection frame. A screw rod is installed on the inner side, a connecting roller is installed on the upper end of the screw rod, a square groove is arranged on the upper end surface of the connecting roller, a square block is installed on the upper end of the square groove, and a support shaft is installed on the upper end of the square block , a bearing sleeve is installed on the outer surface of the support shaft, the lower ends on both sides of the third telescopic column are installed with a third telescopic column, the upper end of the support shaft is installed with a connecting shaft, and the upper end of the connecting shaft is installed with a A fixed plate, the inner side of the fixed plate is provided with a strip-shaped groove, the upper end of the strip-shaped groove is installed with a strip-shaped plate, the upper end of the strip-shaped plate is installed with a fourth telescopic column, and the outer part of the fourth telescopic column is installed A head hitting pile is installed on the surface, the lower end of the inner side of the fourth telescopic column is provided with a rotation groove, and the lower end of the rotation groove is provided with a limit bar-shaped groove;

A rotating device is installed at the lower end of the body driving pile, a chassis is installed at the lower end of the rotating device, a clamping slot is provided on both sides of the inner side of the chassis, a limit block is installed on the lower end of the chassis, and the limit block A support base is installed at the lower end of the limit block, a first telescopic column is installed on both sides of the inner side of the limit block, a clamping block is installed on one side of the first telescopic column, and a first telescopic column is installed on the inner side of the first telescopic column. A rope, a pedal is installed on the lower end of one end of the first rope, and the pedal is connected with the support base through a second telescopic column.

Preferably, the rotating device includes a connecting shell, a motor and a rotating shaft, the inner side of the connecting shell is mounted with a motor, and the upper end of the motor is mounted with a rotating shaft.

Preferably, the first telescopic column, the second telescopic column and the third telescopic column all include a large shaft sleeve, an adjustment column and a connecting spring, the inner side of the large shaft sleeve is installed with an adjustment column, and the lower end of the adjustment column is installed There are connecting springs.

Preferably, the size of the clamping slot is exactly the same as that of the clamping block, and the clamping block and the first telescopic column are fixed by screws.

Preferably, the outer surface of the storage wheel is completely fitted with the lower end of the second rope, the storage wheel and the second rope are fixed by screws, a bearing is installed at one end of the storage wheel, and the storage wheel and the bearing are clamped Slot connection.

Preferably, the size of the square block is exactly the same as the size of the square slot, the lower end of the third telescopic column is installed with the body striking pile on both sides of the inner side, and the third telescopic column and the body striking pile are completely fitted. Fixed by welding.

Preferably, the second connecting frame includes a welding plate and a welding column, a connecting column is installed on the inner side of the welding plate, and the welding plate and the connecting column are fixed by welding.

Preferably, the size of the fixing plate is exactly the same as the size of the limiting strip groove, the size of the strip groove is exactly the same as the size of the strip plate, and the connecting shaft and the supporting shaft are connected by a bearing .

Preferably, the inner side of the connecting shell is completely fitted with the lower end of the motor, the connecting shell and the motor are fixed by screws, the upper end of the motor is completely fitted with the lower end of the rotating shaft, and the motor and the rotating shaft are connected by a coupling .

Preferably, the inner side of the large bushing is completely fitted with the outer surface of the adjusting column, the large bushing is connected with the adjusting column through a slot, the lower end of the adjusting column is completely fitted with the upper end of the connecting spring, the The adjusting column and the connecting spring are fixed by welding.

Compared with the prior art, the beneficial effects of the present invention are:

1. In the present invention, the body is driven to rotate by the rotating device, and the body is driven to rotate the practice roller to make it complete the beating action. By pressing the head to hit the pile, the supporting shaft is driven to press down, and the supporting shaft drives the square block to press down the card. Buckle on the inner side of the square groove, by turning the head to hit the pile, it drives the connecting roller to rotate, the connecting roller drives the screw to rotate, the screw drives the limit sleeve to move up and down, so that it drives the transmission rod to rotate, and the transmission rod drives the connection block Rotate to adjust the angle of the practice roller, so that the device can adjust the height hit by the practice roller, so that the device has a good training effect;

2. In the present invention, by rotating the knob, the knob drives the storage wheel to rotate, the storage wheel pulls the two second ropes, and the second rope pulls the bar-shaped block to move, so that the bar-shaped block is taken out from the inner side of the bar-shaped groove, so that the plug is lost. The position limit makes the device easy to replace different types of practice rollers for training. By stepping on the pedal, the pedal helps the second telescopic column to be pressed down, the pedal pulls the first rope, the first rope pulls the first telescopic column, and the first telescopic column pulls the card The block is removed from the inner side of the card slot, so that the device is easy to install and disassemble.

Description of drawings

Fig. 1 is the overall structural representation of the present invention;

Fig. 2 is the side view of the whole of the present invention;

Fig. 3 is the partial structure schematic diagram of the screw rod of the present invention;

Fig. 4 is the partial structure schematic diagram of the practice roller of the present invention;

Fig. 5 is the partial structure schematic diagram of the first rope of the present invention;

Fig. 6 is the partial structure schematic diagram of the spring of the present invention;

FIG. 7 is a schematic diagram of the partial structure of the head driving pile of the present invention.

In the figure: 1. Head striking pile; 2. Support shaft; 3. Body striking pile; 4. Rotating device; 5. Chassis; 6. Slot; 7. Support base; 8. Limit block; 9. Clamping block ; 10, pedal; 11, the first telescopic column; 12, the first rope; 13, the storage wheel; 14, the second telescopic column; 15, the limit groove; 16, the first connecting frame; 17, the transmission rod; 18, Practice roller; 19, post; 20, strip groove; 21, bearing sleeve; 22, third telescopic column; 23, square block; 24, square groove; 25, connecting roller; 26, screw rod; 27, limit Sleeve; 28, Second connecting frame; 29, Jack; 30, Knob; 31, Connecting block; 32, Spring; 33, Second rope; 34, Bar block; 35, Connecting shaft; 36, Bar groove ; 37, strip plate; 38, rotating slot; 39, limit strip slot; 40, fourth telescopic column; 41, fixed plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

Please refer to FIG. 1 to FIG. 7 , an embodiment provided by the present invention: a sparring wooden stake for martial arts sanda, including a body hitting stake 3, and limiting slots 15 are provided on both sides of the body hitting stake 3, and the limiting slots 15 The first connecting frame 16 is installed on both ends, the inner side of the first connecting frame 16 is installed with a connecting block 31, one side of the connecting block 31 is provided with a socket 29, and one end of the inner side of the connecting block 31 is installed with a storage wheel 13. A knob 30 is installed at one end of the storage wheel 13, a second rope 33 is installed on the upper end and the lower end of the storage wheel 13, a bar block 34 is installed at the lower end of one end of the second rope 33, and the bar block 34 and the connection block 31 Connected by a spring 32, a pin 19 is installed on one side of the jack 29, the upper end and the lower end of the pin 19 are provided with strip grooves 20, and one end of the pin 19 is installed with the practice roller 18. By rotating the knob 30, the knob 30 Drive the storage wheel 13 to rotate, the storage wheel 13 pulls the two second ropes 33, and the second rope 33 pulls the bar block 34 to move, so that the bar block 34 is taken out from the inner side of the bar groove 20, so that the plug 19 loses its limit. position, so that the device is convenient to replace different types of practice rollers 18 for training;

A transmission rod 17 is installed on the other side of the inner side of the first connection frame 16 , a second connection frame 28 is installed on one side of the transmission rod 17 , a limit sleeve 27 is installed on one side of the second connection frame 28 , and the inner side of the limit sleeve 27 is installed A screw rod 26 is installed, a connecting roller 25 is installed on the upper end of the screw rod 26, a square groove 24 is arranged on the upper end surface of the connecting roller 25, a square block 23 is installed on the upper end of the square groove 24, and a support shaft 2 is installed on the upper end of the square block 23. , a bearing sleeve 21 is installed on the outer surface of the support shaft 2, a third telescopic column 22 is installed on the lower ends of both sides of the third telescopic column 22, a connection shaft 35 is installed on the upper end of the support shaft 2, and a fixed shaft is installed on the upper end of the connection shaft 35. Plate 41, the inner side of the fixed plate 41 is provided with a strip-shaped groove 36, the upper end of the strip-shaped groove 36 is installed with a strip-shaped plate 37, the upper end of the strip-shaped plate 37 is installed with a fourth telescopic column 40, and the outer surface of the fourth telescopic column 40 The head striking pile 1 is installed, the lower end of the inner side of the fourth telescopic column 40 is provided with a rotating groove 38, and the lower end of the rotating groove 38 is provided with a limiting strip groove 39, and the fixing plate 41 is inserted into the inner side of the pressing head striking pile 1, Press the head to hit the pile 1, which is beneficial for the strip plate 37 to connect to the support and fixed plate 41. By rotating the connecting shaft 35, the strip block 34 is rotated 90 degrees, and the head is released to hit the pile 1, so that the support and fixed plate 41 is buckled. On the inner side of the limiting strip groove 39, the fixation is lost, making the device easy to assemble;

The lower end of the body striking pile 3 is installed with a rotating device 4 , the lower end of the rotating device 4 is installed with a chassis 5 , both sides of the inner side of the chassis 5 are provided with card slots 6 , the lower end of the chassis 5 is installed with a limit block 8 , A support base 7 is installed at the lower end, a first telescopic column 11 is installed on both sides of the inner side of the limit block 8, a clamping block 9 is installed on one side of the first telescopic column 11, and a first rope is installed on the inner side of the first telescopic column 11 12. A pedal 10 is installed at the lower end of one end of the first rope 12. The pedal 10 is connected with the support base 7 through the second telescopic column 14, and is driven by the rotating device 4 to drive the body hitting pile 3 to rotate, and the body hitting pile 3 drives the practice roller 18 to rotate, Make it complete the hitting action. By pressing the head to hit the pile 1, it drives the support shaft 2 to press down, and the support shaft 2 drives the square block 23 to press down on the inner side of the square groove 24. By turning the head to hit the pile 1, make it Drive the connecting roller 25 to rotate, the connecting roller 25 drives the screw 26 to rotate, the screw 26 drives the limit sleeve 27 to move up and down, so that it drives the transmission rod 17 to rotate, and the transmission rod 17 drives the connection block 31 to rotate, so that it adjusts the practice roller 18 so that the device can adjust the height hit by the practice roller 18, so that the device has a good training effect.

Further, the rotating device 4 includes a connecting shell, a motor and a rotating shaft, a motor is installed on the inner side of the connecting shell, and a rotating shaft is installed on the upper end of the motor. When the pile driving 3 rotates, the body hitting the pile 3 drives the practice roller 18 to rotate, so that it completes the striking action.

Further, the first telescopic column 11, the second telescopic column 14 and the third telescopic column 22 all include a large shaft sleeve, an adjustment column and a connection spring, an adjustment column is installed on the inner side of the large shaft sleeve, and a connection spring is installed at the lower end of the adjustment column, The device is convenient to use by installing the first telescopic column 11 , the second telescopic column 14 and the third telescopic column 22 .

Further, the size of the card slot 6 is exactly the same as the size of the card block 9. The card block 9 and the first telescopic column 11 are fixed by screws. The device cooperates with the card slot 6 and the card block 9 to facilitate the first telescopic column. 11 Push the clamping block 9 to be buckled on the inner side of the clamping slot 6 to fix the chassis 5 so that the device is easy to install and disassemble.

Further, the outer surface of the storage wheel 13 is completely fitted with the lower end of the second rope 33, the storage wheel 13 and the second rope 33 are fixed by screws, a bearing is installed at one end of the storage wheel 13, and the storage wheel 13 and the bearing are connected by a slot, The device installs the storage wheel 13 to cooperate with the second rope 33, rotates the knob 30, the knob 30 drives the storage wheel 13 to rotate, the storage wheel 13 pulls the two second ropes 33, and the second rope 33 pulls the bar block 34 to move, The bar-shaped block 34 is taken out from the inner side of the bar-shaped groove 20, so that the pin 19 loses its position, so that the device is convenient to replace different types of practice rollers 18 for training.

Further, the size of the square block 23 is exactly the same as the size of the square slot 24, the lower end of the third telescopic column 22 is installed with the body striking pile 3 on both sides of the inner side, and the third telescopic column 22 passes through the body striking pile 3. Welding and fixing, the device installs the square block 23 and the square groove 24, and drives the support shaft 2 to press down by pressing the head to hit the pile 1, and the support shaft 2 drives the square block 23 to press down on the inner side of the square groove 24. By rotating the head to hit the pile 1, it drives the connecting roller 25 to rotate, the connecting roller 25 drives the screw rod 26 to rotate, and the screw rod 26 drives the limit sleeve 27 to move up and down, so as to drive the transmission rod 17 to rotate, and the transmission rod 17 drives the connection card The block 31 is rotated to adjust the angle of the practice roller 18, so that the device can adjust the height hit by the practice roller 18, so that the device has a good training effect.

Further, the second connecting frame 28 includes a welding plate and a welding column, the inner side of the welding plate is provided with a connecting column, and the welding plate and the connecting column are fixed by welding. The two connecting frames 28 are connected to the supporting transmission rod 17, so that the device is convenient to use.

Further, the size of the fixing plate 41 is exactly the same as the size of the limiting strip groove 39, the size of the strip groove 36 is exactly the same as the size of the strip plate 37, the connecting shaft 35 and the supporting shaft 2 are connected by bearings, The device inserts the fixing plate 41 into the inner side of the pressing head striking pile 1 through the cooperation of the installation fixing plate 41 and the limiting strip groove 39, and presses the head striking pile 1 downward, so that the strip plate 37 is connected to the supporting fixing plate 41, By rotating the connecting shaft 35, the bar-shaped block 34 is rotated 90 degrees, and the head striking pile 1 is released, so that the supporting and fixing plate 41 is snapped on the inner side of the limiting bar-shaped groove 39, and the fixing is lost, which makes the device easy to assemble .

Further, the inner side of the connecting shell is completely fitted with the lower end of the motor, the connecting shell and the motor are fixed by screws, the upper end of the motor is completely fitted with the lower end of the rotating shaft, and the motor and the rotating shaft are connected by a coupling. In cooperation, the motor drives the rotating shaft to rotate, and the rotating shaft drives the body hitting pile 3 to rotate, so that the device is convenient for training.

Further, the inner side of the large bushing is completely fitted with the outer surface of the adjusting column, the large bushing and the adjusting column are connected by the slot, the lower end of the adjusting column is completely fitted with the upper end of the connecting spring, and the adjusting column and the connecting spring are fixed by welding, The device is convenient to use by installing the large shaft sleeve and the matching of the adjusting column.

Working principle: When in use, check the use of each mechanism of the device, move the device to the working area, drive the body hitting pile 3 to rotate through the rotating device 4, and the body hitting pile 3 drives the practice roller 18 to rotate to complete the hitting Action, by pressing the head to hit the pile 1, the support shaft 2 is driven to press down, the support shaft 2 drives the square block 23 to press down on the inner side of the square groove 24, and by rotating the head to hit the pile 1, it drives the connecting roller 25 to rotate , the connecting roller 25 drives the screw 26 to rotate, the screw 26 drives the limit sleeve 27 to move up and down, so that it drives the transmission rod 17 to rotate, and the transmission rod 17 drives the connection block 31 to rotate, so that it adjusts the angle of the practice roller 18, so that the The device can adjust the height hit by the practice roller 18, so that the device has a good training effect. By turning the knob 30, the knob 30 drives the storage wheel 13 to rotate, the storage wheel 13 pulls the two second ropes 33, and the second rope 33 pulls the bar block 34 moves, so that the bar-shaped block 34 is taken out from the inner side of the bar-shaped groove 20, so that the pin 19 loses its position, so that the device is convenient to replace different types of practice rollers 18 for training. The two telescopic columns 14 are pressed down, the pedal 10 pulls the first rope 12, the first rope 12 pulls the first telescopic column 11, and the first telescopic column 11 pulls the clamping block 9 to take it out from the inner side of the clamping slot 6, and the fixing plate 41 Insert and press the inner side of the head striking pile 1, press down the head striking pile 1, so that the strip plate 37 is connected to the supporting and fixing plate 41, and by rotating the connecting shaft 35, the strip block 34 is rotated 90 degrees, and the head striker is released. The piling 1 is driven so that the supporting and fixing plate 41 is snapped on the inner side of the limiting strip groove 39, and the fixing is lost, so that the device is easy to assemble.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and range of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (10)

1. a sparring stake for martial arts Sanda, comprising a body beating pile (3), is characterized in that: both sides of the body beating pile (3) are all provided with a limit groove (15), the limit groove (15) ) is installed with a first connecting frame (16) at both ends, a connecting block (31) is installed on the inner side of the first connecting frame (16), and a jack (29) is installed on one side of the connecting block (31). ), a storage wheel (13) is installed at one end of the inner side of the connection block (31), a knob (30) is installed at one end of the storage wheel (13), and both the upper and lower ends of the storage wheel (13) are installed There is a second rope (33), a bar-shaped block (34) is installed on the lower end of one end of the second rope (33), and the bar-shaped block (34) is connected with the connection block (31) through a spring (32), One side of the socket (29) is provided with a post (19), the upper end and the lower end of the post (19) are provided with strip grooves (20), and one end of the post (19) is provided with a slot (20). practice roller (18); A transmission rod (17) is installed on the other side of the inner side of the first connection frame (16), a second connection frame (28) is installed on one side of the transmission rod (17), and the second connection frame (28) A limiting sleeve (27) is mounted on one side of the The upper end surface of the roller (25) is provided with a square groove (24), a square block (23) is installed on the upper end of the square groove (24), and a support shaft (2) is installed on the upper end of the square block (23), so the A bearing sleeve (21) is installed on the outer surface of the support shaft (2), a third telescopic column (22) is installed on the lower ends of both sides of the third telescopic column (22), and the upper end of the support shaft (2) A connecting shaft (35) is installed, a fixing plate (41) is installed on the upper end of the connecting shaft (35), and a bar-shaped groove (36) is arranged on the inner side of the fixing plate (41), and the bar-shaped groove (36) A strip plate (37) is installed on the upper end of the strip plate (37), a fourth telescopic column (40) is installed on the upper end of the strip plate (37), and a head hitting pile is installed on the outer surface of the fourth telescopic column (40). (1), the lower end of the inner side of the fourth telescopic column (40) is provided with a rotating groove (38), and the lower end of the rotating groove (38) is provided with a limiting strip groove (39); A rotating device (4) is installed at the lower end of the body striking pile (3), a chassis (5) is installed at the lower end of the rotating device (4), and both sides of the inner side of the chassis (5) are provided with clamping slots ( 6), a limit block (8) is installed on the lower end of the chassis (5), a support base (7) is installed on the lower end of the limit block (8), and both sides of the inner side of the limit block (8) are installed. A first telescopic column (11) is installed, a clamping block (9) is installed on one side of the first telescopic column (11), and a first rope (12) is installed on the inner side of the first telescopic column (11), A pedal (10) is installed on the lower end of one end of the first rope (12), and the pedal (10) is connected with the support base (7) through a second telescopic column (14). 2. a kind of sparring stake for martial arts sanda according to claim 1, is characterized in that: described rotating device (4) comprises connecting shell, motor and rotating shaft, the inner side of described connecting shell is installed with electric motor, described electric motor A rotating shaft is installed on the upper end. 3. A kind of sparring stake for martial arts Sanda according to claim 1, characterized in that: the first telescopic column (11), the second telescopic column (14), the fourth telescopic column (40) and the third telescopic column (11) The telescopic columns (22) all include a large shaft sleeve, an adjustment column and a connection spring, an adjustment column is installed on the inner side of the large shaft sleeve, and a connection spring is installed at the lower end of the adjustment column. 4. a kind of sparring stake for martial arts Sanda according to claim 1, is characterized in that: the size of described card slot (6) is exactly the same as the size of card block (9), and the size of described card block (9) is exactly the same. ) and the first telescopic column (11) are fixed by screws. 5. A sparring stake for martial arts sanda according to claim 1, characterized in that: the outer surface of the storage wheel (13) is completely fitted with the lower end of the second rope (33), and the storage wheel (13) 13) The second rope (33) is fixed by screws, a bearing is installed at one end of the storage wheel (13), and the storage wheel (13) is connected with the bearing through a slot. 6. a kind of sparring stake for martial arts sanda according to claim 1, is characterized in that: the size of described square block (23) is exactly the same as the size of square groove (24), and the third telescopic column The lower end of (22) is installed with the body striking piles (3) on both sides of the inner side, and the third telescopic column (22) and the body striking piles (3) are fixed by welding. 7. A kind of sparring stake for martial arts Sanda according to claim 1, characterized in that: the second connecting frame (28) comprises a welding plate and a welding column, and a connecting column is installed on the inner side of the welding plate, so that the The welding plate and the connecting column are fixed by welding. 8. A kind of sparring stake for martial arts Sanda according to claim 1, characterized in that: the size of the fixing plate (41) is exactly the same as the size of the limit bar groove (39), and the The size of the shaped groove (36) is exactly the same as that of the strip-shaped plate (37), and the connecting shaft (35) is connected with the support shaft (2) through a bearing. 9. A kind of sparring stake for martial arts sanda according to claim 2, characterized in that: the inner side of the connecting shell is completely fitted with the lower end of the motor, the connecting shell and the motor are fixed by screws, and the The upper end is completely fitted with the lower end of the rotating shaft, and the motor and the rotating shaft are connected by a coupling. 10. The sparring stake for martial arts sanda according to claim 3, characterized in that: the inner side of the large bushing is completely fitted with the outer surface of the adjusting column, and the large bushing and the adjusting column pass through the clamping groove connected, the lower end of the adjusting column is completely fitted with the upper end of the connecting spring, and the adjusting column and the connecting spring are fixed by welding.

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