A detection machine for basketball hoops

Abstract

The application provides a detection machine for a basketball frame, and relates to the field of basketball frame detection, which comprises a base, a vertical support plate is fixedly connected to the middle of the upper end face of the base, a rectangular through opening is formed in the upper part of the front end face of the vertical support plate, a support shell is fixedly installed on the upper part of the front end face of the vertical support plate and located in front of the rectangular through opening, a rectangular gap is formed in the upper part of the front end face of the support shell, and the basketball frame is placed in the support shell; the clamping mechanism is matched with the support shell; when a large number of basketball frames to be detected are encountered, the four bolts for fixing the basketball frame are not needed, so that the disassembly and assembly are more convenient, and the working efficiency of the large number of basketball frames in the detection of bearing capacity is improved; the problem that when the traditional basketball frame bearing capacity detection machine is used, if the four bolts are used to fix the basketball frame when a large number of basketball frames to be detected are encountered, the disassembly and assembly are very troublesome is solved.

Description

Technical Field

[0001] This invention relates to the field of basketball hoop testing technology, and in particular to a testing machine for basketball hoops. Background Technology

[0002] Currently, during the use of basketball hoops, many athletes like to hang on the basketball hoop for a period of time after dunking. The weight of the athletes hanging on the basketball hoop will exert a downward force on the basketball hoop. Therefore, in order to ensure that the quality of the basketball hoop meets the standards, the load-bearing capacity of the basketball hoop needs to be tested after production. The load-bearing capacity of the basketball hoop is usually tested by a testing machine equipped with a tension sensor.

[0003] Traditional basketball hoop load-bearing capacity testing machines, while capable of detecting the tensile force applied to the basketball hoop using a tension sensor, typically require four bolts to secure the hoop mounting base to the vertical support surface before testing. When dealing with a large number of basketball hoops to be tested, this cumbersome process of securing them with four bolts becomes extremely difficult to disassemble and reassemble, reducing the efficiency of testing a large number of hoops. Furthermore, when pulling down the edge of the basketball hoop, the traditional machine's pulling mechanism is usually fixed in one position, making it difficult to pull down multiple points along the hoop's edge, thus diminishing the effectiveness of the load-bearing capacity test. Summary of the Invention

[0004] In view of this, the present invention provides a testing machine for basketball hoops to solve the problem that when using a traditional basketball hoop load-bearing capacity testing machine, if the basketball hoops are fixed with four bolts when a large number of basketball hoops are to be tested, disassembly and assembly become very troublesome.

[0005] This invention provides a testing machine for basketball hoops, specifically comprising: a base; a vertical support plate fixedly connected to the middle of the upper surface of the base, and a rectangular opening provided on the upper front surface of the vertical support plate; a support shell fixedly installed on the upper front surface of the vertical support plate in front of the rectangular opening, and a rectangular notch provided on the middle of the upper front surface of the support shell; a basketball hoop placed inside the support shell; a U-shaped support plate installed on the front side of the upper surface of the base, and a load-bearing capacity testing mechanism provided on the U-shaped support plate; a pulling mechanism connected to the upper end of the load-bearing capacity testing mechanism, and a limiting part provided on the pulling mechanism; a clamping mechanism installed on the upper part of the vertical support plate, and an anti-loosening mechanism provided on the clamping mechanism; a numerical display screen installed on the upper part of the vertical support plate; and a controller installed on the upper front side of the left end of the U-shaped support plate.

[0006] Furthermore, the load-bearing capacity detection mechanism includes an electric cylinder, a lifting plate, an annular guide rail, an adjustment socket, and a tension sensor. The electric cylinder is installed on the inner top surface of the U-shaped support plate, and the upper end of the telescopic rod of the electric cylinder passes through the top of the U-shaped support plate. A tension sensor is fixedly installed on the upper end of the telescopic rod of the electric cylinder. The upper end of the tension sensor is fixedly connected to the lifting plate, and an annular guide rail is provided at the edge of the upper surface of the lifting plate. The upper surface of the annular guide rail has adjustment sockets arranged in an annular array, and the vertical cross-section of the annular guide rail is a T-shaped structure. The electric cylinder, the tension sensor, and the numerical display screen are all electrically connected to the controller.

[0007] Furthermore, the pulling mechanism includes a quarter-annular sleeve, a vertical pulling rod, and a hook. The bottom end face of the quarter-annular sleeve is provided with a sliding groove, and the vertical cross-section of the sliding groove is a T-shaped groove structure. The quarter-annular sleeve is slidably connected to the annular guide rail through the sliding groove. The upper end face of the quarter-annular sleeve is fixedly connected to the vertical pulling rod, and the upper end of the vertical pulling rod is rotatably connected to the hook.

[0008] Furthermore, the limiting part includes a frame, a sliding block, a plug-in rod, and a lifting rod. The frame is fixedly installed on the upper end face of a quarter-annular sliding sleeve, and a sliding block is slidably connected inside the frame. The lower end of the sliding block is provided with a plug-in rod that penetrates the bottom of the frame, and the upper end of the sliding block is provided with a guide rod that penetrates the top of the frame. A spring is sleeved on the outside of the guide rod inside the frame. A lifting rod is provided on the front end face of the sliding block.

[0009] Furthermore, when the limiting part is in the limiting state, the lower end of the plug rod is plugged into one of the adjustment holes.

[0010] Furthermore, the clamping mechanism includes a fixed plate, a threaded cylinder, a rotating rod, a clamping plate, a transverse guide rod, a threaded rod, a limiting gear, and a limiting rod. The fixed plate is fixedly installed on the upper part of the rear end face of the vertical support plate, and a threaded cylinder is rotatably connected to the middle of the rear end face of the fixed plate, with a first bevel gear installed on the outside of the threaded cylinder. The rotating rod is rotatably connected to the left side of the rear end face of the fixed plate, and a rotating handwheel and a second bevel gear are respectively provided at the left and right ends of the rotating rod, with the second bevel gear meshing with the first bevel gear. A limiting gear is installed on the left side of the outside of the rotating rod. The rear end face of the clamping plate is provided with four transverse guide rods that slide through the fixed plate, and a threaded rod that passes through the fixed plate is fixedly connected to the middle of the rear end face of the clamping plate, with the threaded rod threadedly connected to the threaded cylinder. A limiting rod is provided at each of the four corners of the front end face of the clamping plate.

[0011] Furthermore, when the clamping mechanism is in the clamping state, the four limiting rods are respectively inserted into the four mounting holes on the basketball hoop mounting base, and the front end face of the clamping plate is in close contact with the rear end face of the basketball hoop mounting base.

[0012] Furthermore, the anti-loosening mechanism includes a slide cylinder, a slider, a pull rod, and a locking plate. The slide cylinder is installed on the left side of the rear end face of the fixed plate, and a slider is slidably connected inside the slide cylinder. The upper end of the slider is provided with a pull rod that penetrates the top of the slide cylinder, and the lower end of the slider is provided with a locking plate that penetrates the bottom of the slide cylinder. A spring is sleeved on the outside of the pull rod inside the slide cylinder.

[0013] Furthermore, when the anti-loosening mechanism is in the locked state, the lower end of the locking plate is in close contact with the upper side of the outer peripheral surface of the limiting gear.

[0014] Furthermore, the bottom surface of the lifting plate is provided with four vertical sliding rods in a circular array that slide through the top of the U-shaped support plate, and each vertical sliding rod is slidably connected to a guide cylinder fixed to the top surface of the U-shaped support plate.

[0015] Beneficial effects

[0016] 1. This invention, through the cooperation of the clamping mechanism and the support shell, enables the basketball hoop to be fixed simply by rotating the rotating rod, causing the second bevel gear to rotate along with the first bevel gear and the threaded cylinder. Then, the threaded rod moves the clamping plate forward under the action of the thread, and the four limiting rods are respectively inserted into the four mounting holes on the basketball hoop mounting base. The front end of the clamping plate is in close contact with the rear end of the basketball hoop mounting base, thereby quickly fixing the basketball hoop on the vertical support plate. When dealing with a large number of basketball hoops to be tested, since it is not necessary to fix the basketball hoop with four bolts, disassembly and assembly are faster, thus improving the work efficiency of testing the load-bearing capacity of a large number of basketball hoops.

[0017] 2. This invention, through the cooperation of a pulling mechanism and a load-bearing capacity detection mechanism, can quickly and accurately detect the load-bearing capacity at the edge of a basketball hoop. During detection, simply hang the hook on the edge of the basketball hoop, and then control the telescopic rod of the electric cylinder to retract downwards via the controller. This retracts the tension sensor, lifting plate, circular guide rail, and pulling mechanism downwards, thereby applying a downward pulling force to the edge of the basketball hoop. The tension sensor then detects the tension value, which is displayed on a numerical display screen. Once the tension value reaches the target, the controller stops the electric cylinder, thus improving the efficiency of detecting the load-bearing capacity at the edge of the basketball hoop.

[0018] 3. This invention, through the cooperation of the annular guide rail, the pulling mechanism, and the limiting part, allows for manual upward pulling of the lifting rod before testing the load-bearing capacity at the edge of the basketball hoop. This causes the sliding block to move upward with the plug-in rod, thereby pulling the plug-in rod out of one of the adjustment holes. Then, the pulling mechanism slides on the annular guide rail, allowing for multi-angle sliding adjustment. This facilitates pulling down at multiple positions on the edge of the basketball hoop, thus improving the testing effect of the basketball hoop's load-bearing capacity.

[0019] 4. By setting up an anti-loosening mechanism, this invention can release the pull rod when the rotating rod stops rotating, allowing the slider to move downward with the locking plate under the action of the spring force outside the pull rod. Then, the lower end of the locking plate will make tight contact with the upper side of the outer circumferential surface of the limiting gear, thereby effectively locking the limiting gear, the rotating rod, and the threaded cylinder, thus preventing the threaded cylinder from loosening and improving the tightness of the clamping mechanism when clamping the basketball hoop mounting base. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly described below.

[0021] In the attached diagram:

[0022] Figure 1 This is a first-view structural schematic diagram of an embodiment of the present invention.

[0023] Figure 2 This is a second-view structural schematic diagram of an embodiment of the present invention.

[0024] Figure 3 This is a structural diagram of an embodiment of the present invention in a split state.

[0025] Figure 4 This is a schematic diagram of the basketball hoop, clamping mechanism, and anti-loosening mechanism according to an embodiment of the present invention.

[0026] Figure 5 This is a schematic diagram of the basketball hoop and clamping plate structure according to an embodiment of the present invention.

[0027] Figure 6 This is a schematic diagram of the threaded cylinder, rotating rod, limiting gear, and anti-loosening mechanism according to an embodiment of the present invention.

[0028] Figure 7 This is a partial cross-sectional view of the lifting plate, annular guide rail, and pulling mechanism according to an embodiment of the present invention.

[0029] Figure 8 This is a schematic diagram of the disassembled structure of the load-bearing capacity detection mechanism and the pulling mechanism according to an embodiment of the present invention.

[0030] Figure 9 This is a schematic diagram of the limiting part structure according to an embodiment of the present invention.

[0031] List of reference numerals

[0032] 1. Base; 2. Vertical support plate; 201. Rectangular opening; 3. Support shell; 4. Basketball hoop; 5. U-shaped support plate; 6. Load-bearing capacity testing mechanism; 601. Electric cylinder; 602. Lifting plate; 603. Circular guide rail; 604. Adjustment socket; 605. Tension sensor; 7. Pulling mechanism; 701. Quarter-circular sliding sleeve; 702. Vertical pulling rod; 703. Hook; 8. Limiting part; 801. Frame; 802. Sliding... 803. Moving block; 804. Connecting rod; 9. Lifting rod; 9. Clamping mechanism; 901. Fixing plate; 902. Threaded cylinder; 903. Rotating rod; 904. Clamping plate; 905. Transverse guide rod; 906. Threaded rod; 907. Limit gear; 908. Limit rod; 10. Anti-loosening mechanism; 1001. Sliding cylinder; 1002. Sliding block; 1003. Pull rod; 1004. Locking insert plate; 11. Numerical display screen; 12. Controller. Detailed Implementation

[0033] To make the objectives, solutions, and advantages of the technical solutions of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present invention.

[0034] Example: Please refer to Figures 1 to 9 As shown:

[0035] This invention provides a testing machine for basketball hoops, comprising a base 1; a vertical support plate 2 is fixedly connected to the middle of the upper surface of the base 1, and a rectangular opening 201 is provided on the upper part of the front surface of the vertical support plate 2; a support shell 3 is fixedly installed on the upper part of the front surface of the vertical support plate 2 in front of the rectangular opening 201, and a rectangular notch is provided on the middle part of the upper part of the front surface of the support shell 3; a basketball hoop 4 is placed inside the support shell 3; a U-shaped support plate 5 is installed on the front side of the upper surface of the base 1, and a load-bearing capacity testing mechanism 6 is provided on the U-shaped support plate 5; a pulling mechanism 7 is connected to the upper end of the load-bearing capacity testing mechanism 6, and a limiting part 8 is provided on the pulling mechanism 7; a clamping mechanism 9 is installed on the upper part of the vertical support plate 2, and an anti-loosening mechanism 10 is provided on the clamping mechanism 9; a numerical display screen 11 is installed on the upper end of the vertical support plate 2; a controller 12 is installed on the upper part of the front side of the left end of the U-shaped support plate 5; the numerical display screen 11 is used to display the tensile force value detected by the tensile sensor 605.

[0036] like Figure 1 and Figure 8As shown, the load-bearing capacity testing mechanism 6 includes an electric cylinder 601, a lifting plate 602, an annular guide rail 603, an adjustment socket 604, and a tension sensor 605. The electric cylinder 601 is installed on the inner top surface of the U-shaped support plate 5, and the upper end of the telescopic rod of the electric cylinder 601 passes through the top of the U-shaped support plate 5. The tension sensor 605 is fixedly installed on the upper end of the telescopic rod of the electric cylinder 601. The lifting plate 602 is fixedly connected to the upper end of the tension sensor 605, and an annular guide rail 603 is provided at the edge of the upper surface of the lifting plate 602. The upper surface of the annular guide rail 603 has adjustment sockets 604 in an annular array, and the vertical cross-section of the annular guide rail 603 is a T-shaped structure. The electric cylinder 601, the tension sensor 605, and the numerical display screen 11 are all electrically connected to the controller 12. The load-bearing capacity testing mechanism 6 is used to detect the load-bearing capacity at the edge of the basketball hoop 4.

[0037] The bottom surface of the lifting plate 602 is provided with four vertical sliding rods arranged in a ring array, which slide through the top of the U-shaped support plate 5. Each vertical sliding rod is slidably connected to a guide cylinder fixed to the top surface of the U-shaped support plate 5, so that the lifting plate 602 can be effectively guided when it moves up and down.

[0038] like Figure 1 , Figure 7 and Figure 8 As shown, the pulling mechanism 7 includes a quarter-annular sleeve 701, a vertical pulling rod 702, and a hook 703. The bottom end face of the quarter-annular sleeve 701 is provided with a sliding groove, and the vertical cross-section of the sliding groove is a T-shaped groove structure. The quarter-annular sleeve 701 is slidably connected to the annular guide rail 603 through the sliding groove. The upper end face of the quarter-annular sleeve 701 is fixedly connected to the vertical pulling rod 702, and the upper end of the vertical pulling rod 702 is rotatably connected to the hook 703. Through the setting of the pulling mechanism 7, the edge of the basketball hoop 4 can be pulled down.

[0039] like Figure 1 and Figure 9 As shown, the limiting part 8 includes a frame 801, a sliding block 802, a connecting rod 803, and a lifting rod 804. The frame 801 is fixedly installed on the upper end face of the quarter-annular sliding sleeve 701, and the sliding block 802 is slidably connected inside the frame 801. The lower end of the sliding block 802 is provided with a connecting rod 803 that penetrates the bottom of the frame 801, and the upper end of the sliding block 802 is provided with a guide rod that penetrates the top of the frame 801. A spring is sleeved on the outside of the guide rod inside the frame 801. The front end face of the sliding block 802 is provided with a lifting rod 804.

[0040] When the limiting part 8 is in the limiting state, the lower end of the plug rod 803 is plugged into one of the adjustment holes 604, so that the pulling mechanism 7 can be effectively limited on the annular guide rail 603.

[0041] like Figure 1 and Figure 4 As shown, the clamping mechanism 9 includes a fixed plate 901, a threaded cylinder 902, a rotating rod 903, a clamping plate 904, a transverse guide rod 905, a threaded rod 906, a limiting gear 907, and a limiting rod 908. The fixed plate 901 is fixedly installed on the upper part of the rear end face of the vertical support plate 2, and the threaded cylinder 902 is rotatably connected to the middle of the rear end face of the fixed plate 901. A first bevel gear is installed on the outside of the threaded cylinder 902. The rotating rod 903 is rotatably connected to the left side of the rear end face of the fixed plate 901, and a rotating handwheel and a second bevel gear are respectively provided at the left and right ends of the rotating rod 903. The wheel, and the second bevel gear meshes with the first bevel gear, and a limit gear 907 is installed on the left side of the rotating rod 903; the rear end face of the clamping plate 904 is provided with four transverse guide rods 905 that slide through the fixed plate 901, and a threaded rod 906 that passes through the fixed plate 901 is fixedly connected to the middle of the rear end face of the clamping plate 904, and the threaded rod 906 is threadedly connected to the threaded cylinder 902; a limit rod 908 is provided at each of the four corners of the front end face of the clamping plate 904, and the clamping mechanism 9 is used to fix the basketball hoop 4 mounting base to the vertical support plate 2;

[0042] When the clamping mechanism 9 is in the clamping state, the four limit rods 908 are respectively inserted into the four mounting holes on the basketball hoop 4 mounting base, and the front end face of the clamping plate 904 is in close contact with the rear end face of the basketball hoop 4 mounting base.

[0043] like Figure 2 , Figure 4 and Figure 6 As shown, the anti-loosening mechanism 10 includes a slide cylinder 1001, a slider 1002, a pull rod 1003, and a locking plate 1004. The slide cylinder 1001 is installed on the left side of the rear end face of the fixed plate 901, and the slider 1002 is slidably connected inside the slide cylinder 1001. The upper end of the slider 1002 is provided with a pull rod 1003 that penetrates the top of the slide cylinder 1001, and the lower end of the slider 1002 is provided with a locking plate 1004 that penetrates the bottom of the slide cylinder 1001. A spring is sleeved on the outside of the pull rod 1003 inside the slide cylinder 1001.

[0044] When the anti-loosening mechanism 10 is in the locked state, the lower end of the locking plate 1004 is in close contact with the upper side of the outer peripheral surface of the limit gear 907, so that the limit gear 907, the rotating rod 903 and the threaded cylinder 902 can be effectively locked.

[0045] The specific usage and function of this embodiment: In this invention, before testing the load-bearing capacity at the edge of the basketball hoop 4, the mounting base of the basketball hoop 4 is first inserted into the inner side of the support shell 3. Then, by rotating the rotating rod 903, the second bevel gear rotates with the first bevel gear and the threaded cylinder 902. Then, the threaded rod 906 moves the clamping plate 904 forward under the action of the thread. Then, the four limiting rods 908 are respectively inserted into the four mounting holes on the mounting base of the basketball hoop 4, and the front end face of the clamping plate 904 is in close contact with the rear end face of the mounting base of the basketball hoop 4, so that the basketball hoop 4 is quickly fixed on the vertical support plate 2.

[0046] When it is necessary to test the load-bearing capacity at the edge of the basketball hoop 4, firstly, the controller 12 controls the telescopic rod of the electric cylinder 601 to extend upward, and then moves the tension sensor 605, the lifting plate 602, the circular guide rail 603 and the pulling mechanism 7 upward. Then, the hook 703 is hung on the edge of the basketball hoop 4. Then, the controller 12 controls the telescopic rod of the electric cylinder 601 to retract downward, and then moves the tension sensor 605, the lifting plate 602, the circular guide rail 603 and the pulling mechanism 7 downward, so that the edge of the basketball hoop 4 is subjected to a downward tension. Then, the tension sensor 605 detects the tension value and displays the tension value on the numerical display screen 11. When the tension value reaches the standard, the controller 12 stops the electric cylinder 601.

[0047] Before testing the load-bearing capacity at the edge of the basketball hoop 4, the lifting rod 804 can be manually pulled upwards, causing the sliding block 802 to move upwards along with the connecting rod 803. This allows the connecting rod 803 to be pulled out from one of the adjustment holes 604. Then, the pulling mechanism 7 can slide on the annular guide rail 603, allowing the pulling mechanism 7 to slide and adjust at multiple angles on the annular guide rail 603. This facilitates pulling down at multiple positions at the edge of the basketball hoop 4.

Claims

1. A detection machine for a basketball hoop, characterized by, The utility model relates to a basketball frame bearing capacity detection device, including: Base (1), the upper end surface middle part of base (1) is fixedly connected with vertical support board (2), and the upper part of vertical support board (2) front end surface is equipped with rectangular through -opening (201), and vertical support board (2) front end surface upper part is fixedly installed with support shell (3) at the front side of rectangular through -opening (201), and the upper middle side of support shell (3) front end surface is equipped with rectangular gap, and support shell (3) is placed with basketball frame (4) inside, the upper end surface front side of base (1) is installed with the support plate (5) of the Chinese character, and the support plate (5) of the Chinese character is equipped with bearing capacity detection mechanism (6) on the upper end of bearing capacity detection mechanism (6) and is connected with pull mechanism (7), and pull mechanism (7) is equipped with limit portion (8) on the upper end of pull mechanism (7), and the upper end of vertical support board (2) is installed with clamping mechanism (9), and clamping mechanism (9) is equipped with anti -loosening mechanism (10), and the upper end of vertical support board (2) is installed with numerical display screen (11), the left end surface upper part of support plate (5) of the Chinese character is installed with controller (12) on the front side, Bearing capacity detection mechanism (6) includes electric cylinder (601), lifting plate (602), annular guide rail (603), adjusting jack (604) and tension sensor (605), electric cylinder (601) is installed at the top end surface inside the Chinese character support plate (5), and the upper end of the telescopic rod of electric cylinder (601) penetrates the top of the Chinese character support plate (5), and the upper end of the telescopic rod of electric cylinder (601) is fixedly installed with tension sensor (605), the upper end of tension sensor (605) is fixedly connected with lifting plate (602), and the edge of the upper end surface of lifting plate (602) is equipped with annular guide rail (603), the upper end surface of annular guide rail (603) is equipped with adjusting jack (604) in the form of annular array, and the vertical section of annular guide rail (603) is T-shaped structure, electric cylinder (601), tension sensor (605), numerical display screen (11) are all electrically connected with controller (12), Pull mechanism (7) includes quarter annular slide sleeve (701), vertical pull rod (702) and hook (703), the bottom end surface of quarter annular slide sleeve (701) is equipped with sliding groove, and the vertical section of sliding groove is T-shaped groove structure, quarter annular slide sleeve (701) is slidably connected on annular guide rail (603) through sliding groove, the upper end surface of quarter annular slide sleeve (701) is fixedly connected with vertical pull rod (702), and hook (703) is rotatably connected on the upper end of vertical pull rod (702), The limiting part (8) comprises a frame (801), a sliding block (802), a plug-in rod (803) and a pull rod (804), the frame (801) is fixedly installed on the upper end face of the quarter annular sliding sleeve (701), the frame (801) is internally connected with the sliding block (802), the lower end of the sliding block (802) is provided with the plug-in rod (803) penetrating through the bottom of the frame (801), the upper end of the sliding block (802) is provided with the guide rod penetrating through the top of the frame (801), and the guide rod is externally sleeved with the spring in the frame (801); the front end face of the sliding block (802) is provided with the pull rod (804). When the limiting part (8) is in the limiting state, the lower end of the plug-in rod (803) is plugged into one of the adjusting insertion holes (604).

2. The detection machine for basketball goal as claimed in claim 1, wherein: The clamping mechanism (9) comprises a fixed plate (901), a threaded cylinder (902), a rotating rod (903), a clamping plate (904), a transverse guide rod (905), a threaded rod (906), a limiting gear (907) and a limiting rod (908), the fixed plate (901) is fixedly installed on the upper part of the rear end face of the vertical supporting plate (2), the rear end face of the fixed plate (901) is rotatably connected with the threaded cylinder (902), and the threaded cylinder (902) is externally provided with the first bevel gear; the rotating rod (903) is rotatably connected on the left side of the rear end face of the fixed plate (901), the rotating rod (903) is provided with a rotating handle and a second bevel gear at the left and right ends respectively, the second bevel gear is engaged with the first bevel gear, and the limiting gear (907) is installed on the left side of the rotating rod (903); the rear end face of the clamping plate (904) is provided with four transverse guide rods (905) slidingly penetrating through the fixed plate (901), the rear end face of the clamping plate (904) is fixedly connected with the threaded rod (906) penetrating through the fixed plate (901), and the threaded rod (906) is threadedly connected with the threaded cylinder (902); the front end face of the clamping plate (904) is provided with one limiting rod (908) at each of the four corners.

3. The detecting machine for basketball goal as claimed in claim 2, characterized in that: When the clamping mechanism (9) is in the clamping state, the four limiting rods (908) are respectively inserted into the four mounting holes on the mounting seat of the basketball stand (4), and the front end face of the clamping plate (904) is in close contact with the rear end face of the mounting seat of the basketball stand (4).

4. The detecting machine for basketball goal as claimed in claim 2, wherein: The anti-loosening mechanism (10) comprises a sliding cylinder (1001), a sliding block (1002), a pull rod (1003) and a locking plug plate (1004), the sliding cylinder (1001) is installed on the left side of the rear end face of the fixed plate (901), and the sliding cylinder (1001) is internally connected with the sliding block (1002); the upper end of the sliding block (1002) is provided with the pull rod (1003) penetrating through the top of the sliding cylinder (1001), and the lower end of the sliding block (1002) is provided with the locking plug plate (1004) penetrating through the bottom of the sliding cylinder (1001), and the pull rod (1003) is externally sleeved with the spring in the sliding cylinder (1001).

5. The detecting machine for basketball goal as claimed in claim 4, characterized in that: When the anti-loosening mechanism (10) is in the locking state, the lower end of the locking plug plate (1004) is in close contact with the upper side of the outer circumferential surface of the limiting gear (907).

6. The detecting machine for basketball goal as claimed in claim 1, characterized in that: The bottom end surface of the lifting plate (602) is provided with four vertical sliding rods sliding through the top of the Z-shaped support plate (5) in a ring array, and an outer guide cylinder fixed on the top end surface of the Z-shaped support plate (5) is connected to each vertical sliding rod.

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