CN111467765A

CN111467765A - Position adjusting device suitable for field operations folding basketball stands

Info

Publication number: CN111467765A
Application number: CN202010445019.2A
Authority: CN
Inventors: 李茂印; 李洪宇
Original assignee: Beijing Guanzhilu Technology Group Co ltd
Current assignee: Beijing Guanzhilu Technology Group Co ltd
Priority date: 2020-05-23
Filing date: 2020-05-23
Publication date: 2020-07-31
Anticipated expiration: 2040-05-23

Abstract

The invention relates to a position adjusting device suitable for a field folding basketball stand, which comprises a bottom frame for supporting the field folding basketball stand, two groups of rotating plates respectively hinged to the front side and the rear side of the bottom frame, rollers rotatably supported at the lower parts of the rotating plates, a rotating rod horizontally and rotatably supported on the bottom frame and positioned between the two groups of rotating plates, two swinging arms fixedly connected to two ends of the rotating rod, a rod piece, one end of which is hinged to one end of the swinging arm, the other end of which is hinged to the front side rotating plate, a rod piece, one end of which is hinged to the other end of the swinging arm, the other end of which is hinged to the rear side rotating plate, and. The invention can facilitate the small-range position adjustment of the field folding basketball stand.

Description

Position adjusting device suitable for field operations folding basketball stands

Technical Field

The invention relates to the technical field of field folding basketball stands, in particular to a position adjusting device suitable for a field folding basketball stand.

Background

Basketball stands are one of the infrastructures for basketball sports, and in recent years, a lot of engineers have made more improvements on basketball stands, mainly focusing on two aspects of height adjustment and convenient transportation and transfer, so as to deal with different people and different scenes. The different persons here are mainly children and adults, and the different scenes are indoor, outdoor and military field training grounds.

For example, the existing chinese utility model patent with the publication number CN207307111U discloses a field basketball stand, which is mainly suitable for army field training grounds, and comprises a base and a foldable basketball stand arranged above the base; the front support of the foldable ball rack is detachably provided with an anti-collision pad; a counterweight chamber is arranged at the rear part of the base, a push plate driven by a hydraulic cylinder is arranged at the front side of the counterweight chamber, and a turning plate hinged with the tail part of the base is arranged at the rear side of the counterweight chamber; the side of turning over the board is provided with the spliced pole, is provided with the confession on the lateral wall of base the opening that the spliced pole passed, and it has the gag lever post to articulate on the lateral wall of base, be provided with the card post on the gag lever post, the gag lever post below is provided with drive spring. The utility model is provided with the anti-collision pad, which provides guarantee for the personal safety of the player; in addition, the pushing plate driven by the hydraulic cylinder is arranged on the base, so that the counterweight material can be discharged conveniently.

The above prior art solutions have the following drawbacks: on the army field training field, the basketball stand generally will carry out the position adjustment of minim scope after putting down from the car, and the holistic weight of above-mentioned field operations formula folding basketball stand plus counter weight material is great, comparatively inconvenient when carrying out position control.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a position adjusting device which is suitable for carrying out small-range position adjustment on a field folding basketball stand.

The above object of the present invention is achieved by the following technical solutions: the utility model provides a position control device suitable for folding basketball stands of field operations, including the chassis that is used for supporting the folding basketball stands of field operations, articulate respectively in two sets of rotor plates of chassis front side and rear side, the gyro wheel of rotation support in the rotor plate lower part, the level rotates the dwang that supports on the chassis and be located between two sets of rotor plates, the rigid coupling is in two swing arms at dwang both ends, the member of one end and the articulated front side rotor plate of the other end of one end articulated swing arm, the member of the articulated rear side rotor plate of the other end and the other end of one end articulated swing arm, and be used for ordering about the wobbling driving piece of swing arm.

By adopting the technical scheme, when in use, the driving piece drives the swing arm to rotate, so that the rotating plate rotates upwards or downwards; when the rotating plate rotates upwards, the roller is lifted upwards, the lower part of the roller is flush with or higher than the lower bottom surface of the bottom frame, and finally the roller is kept in a retracted state; when the rotating plate rotates downwards, the rollers move downwards to expose the lower bottom surface of the underframe, so that the field folding basketball stand is supported away from the ground, and the position of the field folding basketball stand can be adjusted conveniently and laborsavingly.

The present invention in a preferred example may be further configured to: the lower part of the rotating plate is fixedly connected with a U-shaped seat with a downward opening; the roller is rotatably supported in the U-shaped seat.

Through adopting above-mentioned technical scheme, optimized the mounting structure of gyro wheel and rotor plate, improved the bearing capacity of gyro wheel.

The present invention in a preferred example may be further configured to: a row of supporting plates are arranged between the two groups of rotating plates on the underframe, and the rotating rods horizontally penetrate through the supporting plates.

Through adopting above-mentioned technical scheme, the installation of dwang is comparatively convenient and comparatively smooth when rotating.

The present invention in a preferred example may be further configured to: the rod piece is a bidirectional hinged rod.

Through adopting above-mentioned technical scheme, two-way articulated rods can make the transmission of power more natural, and then make swing arm and rotor plate more smooth when rotating.

The present invention in a preferred example may be further configured to: the rod piece is a turn buckle.

Through adopting above-mentioned technical scheme, the basket of flowers bolt can carry out the length adjustment of adaptability, and then the position when making the gyro wheel stretch out and retract can carry out the regulation of adaptability.

The present invention in a preferred example may be further configured to: one of the rod pieces is a bidirectional hinged rod, and the other rod piece is a turn buckle.

Through adopting above-mentioned technical scheme, can compromise the pivoted smoothness nature of swing arm and rotor plate and the position control when the gyro wheel stretches out and retracts.

The present invention in a preferred example may be further configured to: the driving piece comprises a driving oil cylinder and a driving plate fixedly connected to the output end of the driving oil cylinder; the driving oil cylinder is horizontally arranged, and the upper end of the driving plate is fixedly connected to the rotating rod.

By adopting the technical scheme, when the device is used, the driving oil cylinder pushes the lower end of the driving plate to move, so that the rotating rod is driven to rotate; the driving plate is connected with the rotating rod to form a lever structure, so that the roller has better bearing capacity and is smoother in extending and retracting.

In summary, the invention includes at least one of the following beneficial technical effects:

1. compared with the prior art, when the rotating plate rotates downwards, the rollers move downwards to expose the lower bottom surface of the underframe and support the field folding basketball stand off the ground, so that the position of the field folding basketball stand can be adjusted conveniently and labor-saving;

2. the two rod pieces comprise a bidirectional hinged rod and a turnbuckle, and the rotating fluency of the swing arm and the rotating plate and the position adjustment of the roller during extending and retracting can be considered.

Drawings

Fig. 1 is a schematic structural diagram of a field folding basketball stand in a fully unfolded state;

FIG. 2 is a schematic structural view showing the bottom support assembly and the walking assembly;

FIG. 3 is a schematic diagram showing the structure of the folding assembly;

fig. 4 is a schematic structural diagram of the field folding basketball stand in a state close to the fully unfolded state;

fig. 5 is a schematic structural view of the field folding basketball stand approaching a fully folded state;

fig. 6 is a structural schematic diagram of the field folding basketball stand in a completely folded state;

FIG. 7 is an exploded view showing the deadlocking adjustment mechanism;

fig. 8 is a schematic view showing a basket and a deadlocking wrench.

In the figure, 1, a bottom support assembly, 10, a chassis, 100, a transverse plate, 101, a longitudinal plate, 102, an extension plate, 11, a storage box, 110, a relief hole, 12, a weighting block, 2, a folding assembly, 20, a base, 200, a reinforcing rib plate, 21, a main bracket, 210, a vertical pipe, 211, a transverse pipe, 212, a middle rotating shaft, 213, a top rotating shaft, 22, a base lug plate, 23, an auxiliary bracket, 230, a connecting rotating shaft, 24, a middle rotating bracket, 240, a connecting rod, 241, an additional rod, 25, a turning bracket, 250, L-shaped connecting rod, 33, an oil pipeline, 252, a rotating shaft support seat, 26, a top rotating bracket, 260, a top rotating rod, 261, a rotating shaft, 27, a bending connecting rod, 3, a telescopic power assembly, 30, a telescopic oil cylinder, 31, a hydraulic oil tank, 32, a control rod, 33, an oil pipeline, 4, a safety protection device, 40, a connecting seat, 41, 42, a connecting lug plate, a rotating shaft 43, a rotating shaft connecting piece, 5, a position adjusting device, 50, a rotating plate, a spanner, a driving plate, a handle, a base plate, a nut, a base plate, a locking plate, a clamp plate, a nut, a clamp plate, a clamp.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the foldable basketball stand for field operations disclosed in the present invention mainly comprises a bottom support assembly 1 for supporting, a folding assembly 2 disposed on the bottom support assembly 1, a backboard 6 connected to the folding assembly 2, a basket 7 connected to the backboard 6, and a telescopic power assembly 3 (see fig. 3) for driving the folding assembly 2.

Referring to fig. 1 and 2, the bottom support assembly 1 includes a base frame 10 for supporting on the ground, a storage case 11 provided around the base frame 10 for housing the folding assembly 2, and a weight 12 for pressing the rear end of the base frame 10. The underframe 10 comprises two transverse plates 100 distributed front and back, two longitudinal plates 101 fixedly connected between the two transverse plates 100 side by side, and two extension plates 102 symmetrically fixedly connected to the two longitudinal plates 101 at the sides which are away from each other; the lower surfaces of the transverse plate 100, the longitudinal plate 101 and the extension plate 102 are flush, so that a flat supporting surface is formed; the width of the transverse plate 100 located at the rear is wider than the width of the transverse plate 100 located at the front, facilitating placement of the weight 12 thereon. The storage box 11 is rectangular and has four side walls, and the length direction of the storage box is parallel to the length direction of the longitudinal plate 101; the width direction of which is perpendicular to the length direction of the longitudinal plate 101. Four side walls of the storage box 11 are fixedly connected to two transverse plates 100.

Referring to fig. 1 and 3, the folding assembly 2 is disposed at the front end of the chassis 10, and includes a base 20 fixed on the transverse plate 100, a main support 21 having a lower end hinged to the base 20, an auxiliary support 23 located behind the main support 21 and having a lower end hinged to the longitudinal plate 101, a middle rotating support 24 having a middle portion rotatably supported on the main support 21 and a lower end hinged to an upper end of the auxiliary support 23, a top rotating support 26 having a lower end hinged to an upper end of the middle rotating support 24, a turning support 25 having a lower end hinged to a top end of the main support 21 and a middle portion rotatably supported to a middle portion of the top rotating support 26, and a curved link 27 having a.

Referring to fig. 1 and 3, the base 20 is shaped like a Chinese character 'men', and has two ends fixed to the transverse plate 100 and a middle portion flat and higher than the upper surface of the longitudinal plate 101. Two basic ear plates 22 are fixedly connected to the middle of the base 20, and each basic ear plate 22 comprises two symmetrically arranged ear plates. The main support 21 includes two rectangular vertical tubes 210, a horizontal tube 211 horizontally fixed between the two vertical tubes 210, a middle rotating shaft 212 horizontally rotatably supported between the two vertical tubes 210 and located above the horizontal tube 211, and a top rotating shaft 213 horizontally rotatably supported between the two vertical tubes 210 and located above the middle rotating shaft 212. The lower end of the vertical pipe 210 is rotatably supported in the two base ear plates 22 to be rotatable forward and backward of the base frame 10. The auxiliary support 23 is composed of two vertical rods, and the upper ends of the two vertical rods are horizontally connected with a connecting rotating shaft 230; the upper end of the vertical rod is fixedly connected with the basic ear plate 22, and the connecting rotating shaft 230 is connected in the two basic ear plates 22; the lower end of the vertical rod is hinged with a base ear plate 22, and the base ear plate 22 is fixedly connected with the longitudinal plate 101. The base ear plate 22 is selected to guide the main support 21 and the auxiliary support 23 to rotate smoothly to the front or the rear of the chassis 10, and the hinge positions of the rear components are preferably connected by the base ear plate 22 to ensure the smooth movement of the entire folding assembly 2.

With continued reference to fig. 1 and 3, the intermediate rotating bracket 24 includes two connecting rods 240 and an additional rod 241 integrally fixed to the connecting rods 240, shaft holes are horizontally formed at both ends and the middle of the connecting rods 240, the lower end of the connecting rod 240 is positioned in the base ear plate 22 and sleeved on the connecting shaft 230, the middle of the connecting rod 240 is sleeved on the intermediate rotating shaft 212, the additional rod 241 widens the width of the connecting rod 240 to enhance the strength of the middle of the connecting rod 240, so that the problem of deformation and pull-off of the shaft holes is not easily caused, the turning bracket 25 includes a L-shaped connecting rod 250, a reinforcing block 251 fixed to the inner side of the bent portion of the L-shaped connecting rod 250, and a rotating shaft support 252 disposed on the L-shaped connecting rod 250, the L-shaped connecting rod 250 is L-shaped, one section of which is longer and the other section of which is shorter, the lower end of the shorter section is sleeved on the top rotating shaft 213, the rotating shaft support 252 is horizontally fixed to the lower portion of the longer section of the L-shaped connecting rod 250, the top rotating bracket 26 includes two top rotating shafts 260 disposed in parallel, and the rotating shaft 261 horizontally rotatably supported by the rotating shaft 27, the upper and the upper end of the connecting rod 27 is hinged to the upper end of the base ear plate 27, and the upper end of the lower end of the base connecting rod 27, and the lower end.

Referring to fig. 1 and 4, in the process of the folding assembly 2 reaching the fully unfolded state from the nearly fully unfolded state, the main support 21 and the auxiliary support 23 rotate from the inclined state to the vertical state, the whole body consisting of the middle rotating support 24, the top rotating support 26 and the bending link 27 also rotates and lengthens, the backboard 6 is pushed to rise and rotate towards the vertical direction, the end of the turning support 25 corresponding to the backboard 6 is gradually raised, and the backboard 6 is pushed to rise and is matched with the bending link 27 to keep the backboard 6 in the vertical state.

Referring to fig. 1 and 5, in the process of turning the folding assembly 2 from the fully unfolded state to the nearly fully folded state, the driving support 21 and the auxiliary support 23 are turned from the vertical state to the horizontal state, the whole body formed by the middle turning support 24, the top turning support 26 and the bending connecting rod 27 is turned and folded in a zigzag manner, the turning support 25 is gradually lowered corresponding to one end of the backboard 6, and drives the backboard 6 to be lowered and the bending connecting rod 27 is matched to keep the backboard 6 in the horizontal state.

Referring to fig. 2 and 3, the telescopic power assembly 3 includes a telescopic cylinder 30, the bottom of the telescopic cylinder 30 is hinged between two longitudinal plates 101, and the end of a hydraulic rod is hinged on a transverse pipe 211. A hydraulic oil tank 31 is provided on the base frame 10, an oil pipe 33 is provided between the hydraulic oil tank 31 and the telescopic cylinder 30, and a push-down type operation lever 32 for pushing out hydraulic oil in the hydraulic oil tank 31 is provided on the hydraulic oil tank 31. The hydraulic oil tank 31 is provided for supplying oil to the telescopic oil cylinder 30, so that the telescopic oil cylinder 30 has better supporting capability. The telescopic power assembly 3 can adopt a hydraulic telescopic assembly commonly used in the market, such as a large hydraulic oil cylinder with an oil bin, and can also adopt an electric push rod, a pneumatic cylinder and other equipment capable of providing a lifting force.

Referring to fig. 1 and 3, in practical use, the telescopic oil cylinder 30 or the hydraulic oil tank 31 is equipped with a pressure relief valve, when the basketball stand is to be folded, only the pressure relief valve needs to be opened, and with the gravity of the backboard 6 and the folding assembly 2, the hydraulic oil in the telescopic oil cylinder 30 gradually returns to the hydraulic oil tank 31, and the folding assembly 2 gradually completes folding. However, sometimes, when any one of the telescopic oil cylinder 30, the hydraulic oil tank 31 and the pressure release valve leaks oil, the folding assembly 2 is abnormally folded, and in serious cases, danger is brought to basketball players; to avoid this, a safety device 4 is provided to lock the folding assembly 2.

One end of the safety protection device 4 is hinged on the transverse pipe 211, and the other end is hinged on the connecting rotating shaft 230, and forms an isosceles trapezoid structure with the auxiliary support 23, the base frame 10 and the part of the main support 21 below the transverse pipe 211, so that the rotation of the main support 21 and the auxiliary support 23 can be limited, and the stability of the folding assembly 2 can be ensured. Specifically, the safety protection device 4 includes a connecting base 40 connected to the transverse tube 211 and composed of two ear plates, a pin shaft 41 inserted into the connecting base 40, a connecting ear plate 42 fixedly connected to the connecting rotation shaft 230, and a telescopic connecting member 43 having one end sleeved on the pin shaft 41 and the other end hinged to the connecting ear plate 42; the telescopic connector 43 may be a turnbuckle. In the use process, when the folding component 2 is folded, the pin shaft 41 is drawn out, and the lower end of the telescopic connecting piece 43 is detached; to maintain the fully unfolded state of the folder assembly 2, the lower end of the telescopic link 43 is re-inserted into the coupling holder 40, and the pin 41 is inserted into the coupling holder 40.

Referring to fig. 2 and 3, in order to adjust the position of the field folding basketball stand, a position adjusting device 5 is further provided on the base frame 10. The position adjusting device 5 includes two sets of rotating plates 50 respectively hinged to the front transverse plate 100 and the rear transverse plate 100, a U-shaped seat 51 fixedly connected to the rotating plates 50 and having a downward opening, rollers 53 rotatably supported in the opening of the U-shaped seat 51, a row of support plates 53 fixedly connected to the extension plate 102 and the longitudinal plates 101, a rotating rod 54 horizontally inserted in the support plates 53, two swing arms 55 fixedly connected to both ends of the rotating rod 54, a bidirectional hinge rod 56 having one end hinged to one end of the swing arm 55 and the other end hinged to the front rotating plate 50, a basket bolt 57 having one end hinged to the other end of the swing arm 55 and the other end hinged to the rear rotating plate 50, and a driving cylinder 58 horizontally fixedly connected between the two longitudinal plates 101 with the output end facing the rotating rod 54. A driving plate 580 is fixedly connected to the output end of the driving cylinder 58, and the upper end of the driving plate 580 is fixedly connected to the rotating rod 54. In this example, the drive cylinder 58 is connected to the hydraulic tank 31 via the oil line 33, but a cylinder supplied with oil alone may be used.

In use, the driving cylinder 58 pushes the lower end of the driving plate 580 to move, so as to drive the rotating rod 54 to rotate, and the rotating rod 54 drives the swing arm 55 to rotate, so as to enable the rotating plate 50 to rotate upwards or downwards; when the rotating plate 50 rotates upwards, the roller 52 is lifted upwards, the lower part of the roller 51 is flush with or higher than the lower bottom surface of the chassis 10, and finally the roller is kept in the folded state; when the rotating plate 50 rotates downward, the rollers 52 move downward to expose the bottom surface of the base frame 10, and support the bottom support assembly 1 off the ground, so that the position of the field folding basketball stand can be adjusted.

Referring to fig. 5 and 6, fig. 6 shows the field folding basketball stand in a perfect fully folded state, in which basket 7 is detached and backboard 6 is oriented to match the width and length of the opening of storage box 11; therefore, the field folding basketball stand is convenient to store and transport. In order to achieve the above effect, the locking adjusting device 8 is arranged on the back of the backboard 6, the locking adjusting device 8 is connected with the basket 7, the backboard 6, the turning bracket 25 and the bending connecting rod 27, the rotation adjustment and the locking of the backboard 6 can be realized, and the detachment, the installation and the locking of the basket 7 can be realized.

Specifically, referring to fig. 4 and 7, the locking adjusting device 8 includes a fixing plate 80 fixedly connected to the back of the backboard 6, a backboard rotating shaft 83 vertically fixedly connected to the fixing plate 80, a base plate 81 sleeved on the backboard rotating shaft 83 and abutting on the fixing plate 80, a backing plate 84 sleeved on the backboard rotating shaft 83 and abutting on one side of the base plate 81 away from the fixing plate 80, and a locking nut 85 threadedly connected to the backboard rotating shaft 83 and abutting on the backing plate 84, the end of the curved link 27 is hinged to the upper portion of the base plate 81, and the curved support 25 is hinged to the lower portion of the base plate 81, so that the backboard 6 can rotate around the backboard rotating shaft 83, two buckling plates 800 are fixed to the fixing plate 80, the two buckling plates 800 are symmetrically arranged with the vertical axis of the backboard 6 as a symmetric center, the cross section of the buckling plate 800 is L-shaped, an opening structure with the opening downward is formed with the fixing plate 80, two stressed plates 811 are fixed on the base plate 81 with the vertical axis of the backboard 6 as a symmetric center, when the backboard 6 is in use, the backboard is pulled by the opening structure formed by the fixing plate 800, and the backboard 800 can be rotated when the backboard is in a person, and the backboard is used, and the backboard is protected, and the backboard is not used, and the backboard is protected when the backboard is not used, and the backboard is not used.

Referring to fig. 7 and 8, in order to completely lock the backboard 6 and achieve the dismounting and locking of the basket 7 during use, three insertion rods 70 arranged in a delta shape are disposed on one side of the basket 7 corresponding to the backboard 6, and an annular insertion groove 700 is disposed at the same position of the three insertion rods 70. One side rigid coupling that corresponds the 80 of fixed plate at base plate 81 has a splint 82, is formed with the intermediate layer between splint 82 and the base plate 81, and the swivelling joint has the locking spanner 86 in the intermediate layer, has evenly seted up three bar locating hole 860 on locking spanner 86, and the width of the same end of three locating hole 860 is greater than the width of other parts, the size of this end and inserted bar 70 tip size adaptation, and other parts width size and inserted bar 70 are located the width adaptation of embedded groove 700 department. At the position corresponding to the insert rod 70, the backboard 6 has a first through hole, the fixing plate 80 has a second through hole, and the clamping plate 82 and the base plate 81 have a third through hole 810.

When the basket 7 is used, after the basket 7 is installed, the insertion rod 70 just sequentially penetrates through the first through hole, the second through hole, the end with the larger width of the strip-shaped positioning hole 860 and the third through hole 810, then the locking wrench 86 is rotated to enable the narrower part of the strip-shaped positioning hole 860 on the locking wrench to be matched with the embedded groove 700, the position of the basket 7 is limited, installation is completed, and meanwhile, the rotation of the backboard 6 is limited by the insertion rod 70 to be locked; when basket 7 is to be disassembled, locking wrench 86 is rotated reversely to make the wider end of strip hole positioning hole 860 correspond to embedded groove 700, at this time, insert rod 70 can be directly pulled out, so as to complete the disassembly of basket 7, backboard 6 is not limited by insert rod 70, and can be rotated to the angle matching with the length direction of storage box 11.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a position control device suitable for basketball stands are folded in field operations which characterized in that: the foldable basketball stand for field operations comprises a base frame (10) used for supporting a foldable basketball stand for field operations, two groups of rotating plates (50) respectively hinged to the front side and the rear side of the base frame (10), rollers (52) rotatably supported on the lower portions of the rotating plates (50), a rotating rod (54) horizontally rotatably supported on the base frame (10) and located between the two groups of rotating plates (50), two swing arms (55) fixedly connected to two ends of the rotating rod (54), a rod piece, one end of which is hinged to one swing arm (55), the other end of which is hinged to the front side rotating plate (50), a rod piece, the other end of which is hinged to the other end of the swing arm (55), the rod piece, the other end of which is hinged to the rear side rotating plate.

2. The position adjusting device for the field folding basketball stands as claimed in claim 1, wherein: a U-shaped seat (51) with a downward opening is fixedly connected to the lower part of the rotating plate (50); the roller (52) is rotatably supported in the U-shaped seat (51).

3. The position adjusting device for the field folding basketball stands as claimed in claim 1, wherein: a row of supporting plates (53) are arranged between the two groups of rotating plates (50) on the underframe (10), and the rotating rods (54) horizontally penetrate through the supporting plates (53).

4. The position adjusting device for the field folding basketball stands as claimed in claim 1, wherein: the rod member is a bidirectional hinged rod (56).

5. The position adjusting device for the field folding basketball stands as claimed in claim 1, wherein: the rod piece is a turn buckle (57).

6. The position adjusting device for the field folding basketball stands as claimed in claim 1, wherein: one of the rod pieces is a bidirectional hinge rod (56), and the other rod piece is a turn buckle (57).

7. The position adjusting device for the field folding basketball stands as claimed in claim 1, wherein: the driving piece comprises a driving oil cylinder (58) and a driving plate (580) fixedly connected to the output end of the driving oil cylinder (58); the driving oil cylinder (58) is horizontally arranged, and the upper end of the driving plate (580) is fixedly connected to the rotating rod (54).