Fitness equipment assembly detection device

Abstract

The invention relates to the field of fitness equipment detection, in particular to a fitness equipment assembly detection device which comprises a detection box, a balancing weight connected with a steel wire rope is arranged on the left side in the detection box through a guide column in an up-down sliding mode, and a guide mechanism for guiding the steel wire rope and a detection mechanism are arranged in the detection box. Under the synergistic effect of the driving assembly and the locking assembly, alternate operation of uniform-speed falling and free falling of the balancing weight is achieved, so that static load and impact load are alternately applied to the steel wire rope in a linkage mode, and manual intervention and adjustment are not needed in the process; according to the invention, a bidirectional screw rod in the segmentation assembly drives a rope clamping plate to clamp a steel wire rope, and an impact load can be applied to a key steel wire rope section in a manner of blocking a linkage plate frame through an adjusting screw rod, so that the dynamic impact generated by sudden force generation or emergency braking in actual use of a user can be simulated more truly. Therefore, the durability of the steel wire rope key section is independently and accurately evaluated.

Description

Technical Field

[0001] The invention relates to the field of fitness equipment detection, in particular to a fitness equipment component detection device. Background Art

[0002] As an important tool for modern fitness, fitness equipment is widely used in homes, gyms and other scenarios. Among them, equipment with traction counterweight components as the core structure, such as pullers and high-position pull-downs, provide users with adjustable resistance training through the synergy of wire ropes and counterweights. In such components, wire ropes, as key components for transmitting loads, need to withstand repeated stretching, friction and impact loads for a long time, while the lifting and lowering movement of the counterweights depends on the stability and durability of the wire ropes. Therefore, the performance of the traction counterweight components directly affects the safety and service life of the equipment.

[0003] At present, the industry generally adopts the reciprocating motion detection method, that is, the motor drives the wire rope to move back and forth at a uniform speed, driving the counterweight block to rise and fall periodically, and measures the diameter change or surface wear of the wire rope after a specified detection time to judge its durability.

[0004] However, although the existing detection method can simulate the basic tensile load, it only uses uniform motion as the test condition and cannot reproduce the impact load caused by sudden force or emergency braking by the user in actual use. There is a significant deviation between the test result and the actual working condition. In addition, the existing detection method detects the wire rope as a whole, and it is difficult to independently evaluate the key section where the wire rope is connected to the counterweight. This section is often a high-incidence area of ​​fatigue failure due to frequent bending and local stress concentration.

[0005] Therefore, there is an urgent need for a detection device that can apply static load and impact load and support segmented detection to improve detection accuracy and practicality. Summary of the invention

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: a fitness equipment component detection device, including a detection box, a counterweight block connected to a steel wire rope is arranged on the left side of the detection box for sliding up and down through a guide column, a guide mechanism for guiding the steel wire rope, and a detection mechanism are arranged inside the detection box.

[0007] The guide mechanism includes a plurality of guide wheels arranged inside the detection box through a wheel frame assembly, and the wire rope is arranged on the guide wheels. The guide mechanism also includes a segmented assembly. When the segmented assembly moves synchronously with the wire rope, it is locked in advance so that the impact load applied by the counterweight block to the wire rope is concentrated on the key section where the wire rope pulls the counterweight block.

[0008] The detection mechanism includes a guide rail rod fixedly installed on the rear side of the detection box, a push frame is slidably connected to the front side of the guide rail rod, and a push wheel is rotatably provided on the lower side of the front end of the push frame. The detection mechanism also includes a reciprocating elevator and a locking assembly.

[0009] The reciprocating lift intermittently pushes the wire rope downward and lifts the counterweight through the driving wheel. The locking assembly cooperates with the reciprocating lift so that the counterweight falls at a constant speed and connects with the free fall alternately, thereby alternately applying static load and impact load on the wire rope.

[0010] Preferably, the wheel frame assembly includes a sliding frame that is slidably arranged on the top wall of the detection box up and down, the lower part of the sliding frame is an arc-shaped structure, and a deflection wheel frame is slidably arranged on the lower side of the sliding frame along its arc structure, and a fixed wheel frame is fixedly installed on the left end of the right side wall of the detection box, and a guide wheel is rotatably connected to the left side of the fixed wheel frame.

[0011] Preferably, a swing plate is rotatably arranged on the left side of the sliding frame, and two waist-shaped grooves are arranged up and down on the swing plate. The lower waist-shaped groove cooperates with the raised column groove on the deflection wheel frame, and an asynchronous motor is fixedly installed on the upper side of the top wall of the detection box. A drive disk is fixedly installed on the output shaft of the asynchronous motor, and the drive disk cooperates with the upper waist-shaped groove groove through a toggle column at an eccentric position on its right side.

[0012] Preferably, the wheel frame assembly also includes a supporting wheel frame fixedly mounted on the lower side of the top wall of the detection box, and a movable plate is slidably mounted on the lower ends of the supporting wheel frame and the deflection wheel frame, and a guide wheel is rotatably connected to the lower ends of the supporting wheel frame, the deflection wheel frame and the movable plate, and a locking plug plate is slidably connected to the supporting wheel frame and the deflection wheel frame left and right.

[0013] Preferably, the guide wheel located at the lower part of the deflection wheel frame is provided with two groups of abutment columns arranged symmetrically front and rear through the skirt, each group is composed of a plurality of abutment columns arranged at equal intervals along the circumference of the guide wheel, the abutment column on the rear side is slidably connected to the guide wheel skirt, and the abutment column on the front side is fixedly connected to the guide wheel skirt.

[0014] Preferably, the segmented assembly includes a linkage plate frame that is slidably arranged up and down on the left side of the supporting wheel frame, and two rope clamping plates that are symmetrically arranged front and back are slidably arranged on the linkage plate frame. A bidirectional screw that is threadedly connected to the rope clamping plate is rotatably arranged on the linkage plate frame, and an adjusting screw that blocks the linkage plate frame is threadedly connected inside the supporting wheel frame.

[0015] Preferably, the reciprocating elevator includes a movable square rod that slides up and down and is inserted into the pushing frame. Insertion grooves are provided at both ends of the lower side of the movable square rod. A driving rod is rotatably arranged inside the detection box. The driving rod is provided with a reciprocating thread that is threadably connected to the movable square rod. A synchronous motor that drives the driving rod to rotate is fixedly installed on the upper side of the detection box.

[0016] Preferably, the locking assembly includes two sliding baffles arranged left and right and slidably arranged on the pushing frame, a spiral push spring is arranged between the right sliding baffle and the pushing frame, a tension spring is arranged between the left sliding baffle and the pushing frame, a guide groove is opened on the left side of the pushing frame, a connecting plate is hinged on the left sliding baffle, and the rear end of the connecting plate slides inside the guide groove.

[0017] Preferably, a linkage column is fixedly installed on the side of the sliding baffle away from the pushing frame, a wedge plate is fixedly installed on the left side of the guide rod to push the left linkage column backward, and an unlocking plate is provided on the front side of the rear wall of the detection box to slide up and down for pushing the right linkage column forward.

[0018] Preferably, a rotating rod is rotatably arranged inside the detection box, and a reciprocating thread is provided on the rotating rod which is threadedly connected to the unlocking plate. The rotating rod is connected to the driving rod through a pulley and a belt. The pulley diameters on the rotating rod and the driving rod are different. The reciprocating thread of the rotating rod is located at the lower part of the reciprocating thread of the driving rod, and the pitches of the two reciprocating threads are different.

[0019] The beneficial effects of the present invention are: 1. The present invention adopts the synergistic effect of the reciprocating elevator and the locking assembly to realize the alternating operation of the uniform speed fall and the free fall of the counterweight block, so as to apply static load and impact load to the wire rope in a connected and alternating manner. This process does not require manual intervention and adjustment, which not only simplifies the operation process, but also can more realistically simulate the dynamic impact caused by sudden force or emergency braking in actual use by the user, thereby significantly improving the fit between the detection condition and the actual condition.

[0020] 2. The present invention drives the rope clamping plate to clamp the steel wire rope through the bidirectional screw in the segmented assembly, so that the steel wire rope and the linkage plate frame move synchronously. By moving the adjusting screw downward, the adjusting screw can block the linkage plate frame, and then the counterweight block applies an impact load to the steel wire rope segment between the counterweight and the linkage plate frame, thereby independently and accurately evaluating the durability of the key section of the steel wire rope and avoiding the concealment of key defects in the overall inspection.

[0021] 3. The present invention adopts a reciprocating lifter to cooperate with a rotating rod and a driving rod, so that the rotating rod drives the unlocking plate to move back and forth at uneven speeds relative to the driving wheel. This makes the unlocking plate cooperate with the linkage column when the counterweight block is lifted to a random height, so that the counterweight block falls freely, thereby making the application of the impact load irregular, which is closer to the randomness of load changes in actual use by users, ensuring that the detection results are more valuable for reference.

[0022] 4. The present invention adopts a deflecting wheel frame in the wheel frame assembly, which can deflect along the arc-shaped sliding frame to change the contact position between the guide wheel and the wire rope, and can simulate the wear of the wire rope under different friction paths, further expand the detection dimension, and comprehensively evaluate its anti-fatigue performance.

[0023] 5. The present invention adopts two groups of abutment columns arranged circumferentially of the guide wheel. Through the sliding and fixed connection of the front and rear abutment columns, local resistance can be formed on the surface of the wire rope, simulating the friction and impact conditions when debris adheres to the surface of the wire rope in actual use, further improving the fit between the detection conditions and the actual conditions, effectively filling the deficiencies of the existing technology in simulating complex environments, and enhancing the comprehensiveness and reliability of the detection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0025] Figure 1 It is a partial structural schematic diagram of the present invention.

[0026] Figure 2 It is a cross-sectional view of the detection box, the counterweight, the guide wheel and the reciprocating elevator in the present invention.

[0027] Figure 3 It is a partial cross-sectional view of the segmented assembly, wedge plate, push frame and detection box in the present invention.

[0028] Figure 4 It is a partial structural schematic diagram of the guide rail rod, the pushing frame, the pushing wheel and the moving square rod in the present invention.

[0029] Figure 5 It is a partial left view of the guide rail rod, the sliding baffle plate, the guide groove and the pushing frame in the present invention.

[0030] Figure 6 It is a partial cross-sectional view of the push frame, the sliding baffle plate, the guide groove and the connecting plate in the present invention.

[0031] Figure 7 It is a partial structural schematic diagram of the supporting wheel frame, guide wheel, linkage plate frame and rope clamping plate in the present invention.

[0032] Figure 8 It is a cross-sectional view of the sliding frame, the deflection wheel frame, the asynchronous motor and the swing plate in the present invention.

[0033] Fig. 9 It is a cross-sectional view of the guide wheel located at the bottom on the deflection wheel frame in the present invention.

[0034] In the figure: 1, detection box; 2, guide mechanism; 3, detection mechanism; 11, guide column; 12, counterweight; 21, wheel frame assembly; 22, guide wheel; 23, segment assembly; 31, guide rail rod; 32, push frame; 33, push wheel; 34, reciprocating elevator; 35, locking assembly; 211, sliding frame; 212, deflection wheel frame; 213, swing plate; 214, asynchronous motor; 215, drive plate; 216, abutment column; 217, supporting wheel frame; 218, locking plug plate; 219, fixing wheel frame; 231, linkage plate frame; 232, rope clamping plate; 233, bidirectional screw; 234, adjusting screw; 341, moving square rod; 342, driving rod; 343, synchronous motor; 351, sliding baffle plate; 352, guide groove; 353, connecting plate; 354, linkage column; 355, wedge plate; 356, unlocking plate; 357, rotating rod. DETAILED DESCRIPTION

[0035] The embodiments of the present invention are described in detail below. The embodiments described below are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention. If no specific techniques or conditions are specified in the embodiments, the techniques or conditions described in the literature in the art or the product specifications are used.

[0036] See also Figure 1 and Figure 2 A fitness equipment component detection device includes a detection box 1. A counterweight block 12 connected to a steel wire rope is arranged on the left side of the detection box 1 for sliding up and down through a guide column 11. A detection mechanism 3 and a guide mechanism 2 for guiding the steel wire rope are arranged inside the detection box 1.

[0037] When it is necessary to perform a durability test on the traction counterweight assembly, the operator first arranges the wire rope on the guide mechanism 2, and makes one end of the wire rope fixedly connected to the counterweight block 12, and the other end fixedly connected to the detection box 1, and then reciprocates the wire rope through the detection mechanism 3, so that the wire rope applies a load by pulling the counterweight block 12, thereby testing the durability of the wire rope.

[0038] Continue reading Figure 1 and Figure 2 The guide mechanism 2 includes a plurality of guide wheels 22 arranged inside the detection box 1 through a wheel frame assembly 21. The wire rope is arranged on the guide wheel 22. The wire rope starts from the counterweight block 12 and then winds around the guide wheel 22 from left to right until it is fixedly connected to the detection box 1.

[0039] See also Figure 1 and Figure 8The wheel frame assembly 21 includes a sliding frame 211 that is slidably arranged on the top wall of the detection box 1 up and down. The lower part of the sliding frame 211 is an arc-shaped structure. A deflection wheel frame 212 is slidably arranged on the lower side of the sliding frame 211 along its arc structure. A fixed wheel frame 219 is fixedly installed on the left end of the right side wall of the detection box 1. A guide wheel 22 is rotatably connected to the left side of the fixed wheel frame 219.

[0040] See also Figure 1 , Figure 7 and Figure 8 The wheel frame assembly 21 also includes a supporting wheel frame 217 fixedly installed on the lower side of the top wall of the detection box 1. The supporting wheel frame 217 and the lower end of the deflection wheel frame 212 are both slidably installed with a movable plate. The supporting wheel frame 217, the deflection wheel frame 212 and the lower end of the movable plate are all rotatably connected to a guide wheel 22. The supporting wheel frame 217 and the deflection wheel frame 212 are both slidably connected to the left and right with a locking plug plate 218.

[0041] See also Figure 1 , Figure 2 and Figure 3 When the wire rope is arranged inside the detection box 1, the right end of the wire rope is fixedly connected to the right side of the bottom wall of the detection box 1, and the left end of the wire rope is fixedly connected to the upper side of the counterweight 12, and the wire rope is respectively located on the upper part of the guide wheel 22 of the fixed wheel frame 219, between the two guide wheels 22 on the deflection wheel frame 212, and between the two guide wheels 22 on the fixed wheel frame 219.

[0042] At the same time, this embodiment drives the guide wheel 22 at the corresponding position to move upward by sliding the movable plate upward, so that the two guide wheels 22 located in the same vertical plane are away from each other, thereby facilitating the steel wire rope to be inserted and wound between the two guide wheels 22 arranged up and down, and then the locking plug plate 218 is moved to block the upper part of the corresponding movable plate, so that the movable plate presses the steel wire rope tightly through the guide wheel 22.

[0043] It should be noted that the locking plug plate 218 is locked with the supporting wheel frame 217 and the deflection wheel frame 212 respectively by means of fastening screws. When the locking plug plate 218 slides to the upper part of the movable plate, the locking plug plate 218 can block the upper part of the movable plate, thereby preventing the movable plate from moving up, so that the locking plug plate 218 drives the guide wheel 22 at the corresponding position to press against the wire rope by blocking the movable plate. Subsequently, the operator manually tightens the screws to lock the locking plug plate 218 on the supporting wheel frame 217 and the deflection wheel frame 212 to ensure that the two guide wheels 22 arranged above and below are pressed tightly against the wire rope.

[0044] In this embodiment, Figure 2As shown, a driving screw threadedly connected to the sliding frame 211 is rotatably provided on the upper side of the detection box 1. When the wire rope is arranged on the guide wheel 22, the operator lifts the sliding frame 211 by twisting the driving screw, so that the sliding frame 211 pulls the wire rope through the deflection wheel frame 212 and the guide wheel 22 at the corresponding position, thereby lifting the counterweight 12, so that the wire rope is subjected to the gravity of the counterweight 12 in the initial state.

[0045] See also Figure 1 and Figure 2 The detection mechanism 3 includes a guide rod 31 fixedly installed on the rear side of the detection box 1, a push frame 32 is slidably connected to the front side of the guide rod 31, and a push wheel 33 is rotatably provided on the lower side of the front end of the push frame 32. The detection mechanism 3 also includes a reciprocating elevator 34 and a locking assembly 35.

[0046] Continue reading Figure 1 and Figure 2 The reciprocating elevator 34 intermittently pushes the wire rope downward and lifts the counterweight 12 through the pushing wheel 33. The locking assembly 35 cooperates with the reciprocating elevator 34, so that the counterweight 12 falls at a constant speed and freely falls alternately, thereby alternately applying static load and impact load on the wire rope.

[0047] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The reciprocating lift 34 includes a moving square rod 341 that slides up and down and is inserted into the pushing frame 32. Insertion grooves are provided at both ends of the lower side of the moving square rod 341. A driving rod 342 is rotatably arranged inside the detection box 1. The driving rod 342 is provided with a reciprocating thread that is threadedly connected to the moving square rod 341. A synchronous motor 343 that drives the driving rod 342 to rotate is fixedly installed on the upper side of the detection box 1.

[0048] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The locking assembly 35 includes two sliding baffles 351 arranged left and right and slidingly arranged on the pushing frame 32. A spiral push spring is arranged between the right sliding baffle 351 and the pushing frame 32, and a tension spring is arranged between the left sliding baffle 351 and the pushing frame 32. A guide groove 352 is opened on the left side of the pushing frame 32, and a connecting plate 353 is hinged on the left sliding baffle 351, and the rear end of the connecting plate 353 slides inside the guide groove 352.

[0049] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 A linkage column 354 is fixedly installed on the side of the sliding baffle 351 away from the pushing frame 32, a wedge plate 355 is fixedly installed on the left side of the guide rod 31 for pushing the left linkage column 354 backward, and an unlocking plate 356 is set on the front side of the rear wall of the detection box 1 for sliding up and down to push the right linkage column 354 forward.

[0050] See also Figure 1 and Figure 2 A rotating rod 357 is rotatably arranged inside the detection box 1. A reciprocating thread is provided on the rotating rod 357 and is threadedly connected to the unlocking plate 356. The rotating rod 357 is connected to the driving rod 342 through a pulley and a belt. The pulley diameters of the rotating rod 357 and the driving rod 342 are different. The reciprocating thread of the rotating rod 357 is located at the lower part of the reciprocating thread of the driving rod 342, and the pitches of the two reciprocating threads are different.

[0051] In the initial state, the pushing wheel 33 is located at the upper part of the wire rope section between the supporting wheel frame 217 and the fixed wheel frame 219. The spiral push spring on the right pushes the right sliding baffle 351 backward into the insertion groove on the right side of the moving square rod 341 through its own elastic force. The wedge plate member 355 drives the left sliding baffle 351 to be inserted into the insertion groove on the left side of the moving square rod 341 by pushing the left linkage column 354 backward and stretching the tension spring. At the same time, the left sliding baffle 351 drives the rear end of the connecting plate member 353 to be located at the upper rear position of the guide groove 352.

[0052] It should be noted that the left sliding baffle plate 351 , the connecting plate 353 and the guide groove 352 are combined into a mechanical self-locking structure, so that the connecting plate 353 can move unidirectionally inside the guide groove 352 .

[0053] Start the synchronous motor 343 to drive the driving rod 342 to rotate. The driving rod 342 drives the movable square rod 341 to move downward through the reciprocating thread thereon. The movable square rod 341 pushes the two sliding baffles 351 to move downward synchronously through the insertion groove thereon. The sliding baffle 351 drives the pushing wheel 33 downward through the pushing frame 32, so that the pushing wheel 33 presses the wire rope downward, so that the wire rope lifts the counterweight block 12 upward.

[0054] When the left sliding baffle plate 351 moves downward, the tension spring pulls the left sliding baffle plate 351 forward through its own tension force, and the left sliding baffle plate 351 drives the connecting plate 353 to move to the rear center position of the guide groove 352, so that the guide groove 352 pulls the left sliding baffle plate 351 through the connecting plate 353, preventing the tension spring from pulling the left sliding baffle plate 351 to exit the left insertion groove.

[0055] The driving rod 342 drives the rotating rod 357 to rotate at an uneven speed through the transmission of the pulley and the belt. The rotating rod 357 drives the unlocking plate 356 to move upward through the reciprocating thread thereon. When the unlocking plate 356 contacts the linkage column 354 on the right, the unlocking plate 356 drives the sliding baffle plate 351 on the right to be pushed forward to exit the insertion slot on the right by pushing the linkage column 354 on the right forward, and compresses the spiral push spring.

[0056] At this time, the sliding baffle plate 351 on the left is still inserted into the insertion slot on the left, so that the moving square rod 341 is still connected to the pushing frame 32 through the sliding baffle plate 351 on the left, and then the moving square rod 341 moves to the lower end of the reciprocating threaded section of the driving rod 342, so that the driving rod 342 begins to drive the pushing frame 32 to move up synchronously and at a uniform speed through the moving square rod 341, so that the counterweight block 12 falls at a uniform speed under the restriction of gravity and the pushing frame 32, thereby completing a uniform lifting and lowering of the counterweight block 12.

[0057] When the right linkage column 354 is out of contact with the unlocking plate 356, the spiral push spring pushes the right sliding baffle 351 backwards through its own elastic force and inserts it into the right insertion slot again. When the pushing frame 32 moves upward to the upper initial position again, the pushing frame 32 drives the left linkage column 354 to contact the wedge plate 355 again, so that the wedge plate 355 pushes the left linkage column 354 backwards again. The left linkage column 354 drives the rear end of the connecting plate 353 to move along the trajectory of the guide groove 352 to its rear lower position, and then the driving rod 342 drives the pushing frame 32 downward again.

[0058] When the pushing frame 32 drives the left linkage column 354 to disengage from the wedge plate 355, the tension spring drives the left sliding baffle plate 351 to move forward to exit the left insertion slot through its own tension, so that the moving square rod 341 only drives the pushing frame 32 downward through the right sliding baffle plate 351, and the pushing frame 32 lifts the counterweight block 12 again through the pushing wheel 33.

[0059] When the unlocking plate 356 contacts the right linkage column 354 again, the unlocking plate 356 drives the right sliding baffle plate 351 forward to exit the right insertion slot by pushing the right linkage column 354 forward and compressing the spiral push spring. At this time, both sliding baffle plates 351 exit the insertion slot, so that the pushing frame 32 is no longer locked with the moving square rod 341, and the pushing frame 32 no longer pushes and blocks the wire rope through the pushing wheel 33.

[0060] Subsequently, the counterweight 12 falls freely under the action of gravity, so that the counterweight 12 drives the pushing wheel 33 to move upward quickly by pulling the wire rope. When the pushing frame 32 moves upward relative to the moving square rod 341, the insertion slot on the moving square rod 341 is located at the lower part of the sliding baffle 351. When the pushing frame 32 drives the left linkage column 354 to abut against the wedge plate 355, the wedge plate 355 pushes the left sliding baffle 351 backward to move backward until it abuts against the front side surface of the moving square rod 341. At the same time, the spiral push spring pushes the right sliding baffle 351 backward to abut against the front side surface of the moving square rod 341 through its own elastic force.

[0061] At this time, the left linkage column 354 is blocked by the movable square rod 341 and cannot move backward any further. At this time, the rear end of the connecting plate 353 is located at the upper position of the guide groove 352, so that the pushing frame 32 cannot drive the left linkage column 354 to move upward, thereby causing the pushing frame 32 to stop moving upward instantly, and then causing the counterweight block 12 to cause an instantaneous tensile impact on the wire rope, completing an impact load test on the wire rope.

[0062] The driving rod 342 then drives the moving square rod 341 to move upward. When the moving square rod 341 drives the insertion slot on it to correspond to the position of the sliding baffle plate 351, the spiral push spring pushes the right sliding baffle plate 351 backward through its own elastic force and inserts it into the right insertion slot again. Then, the moving square rod 341 drives the pushing frame 32 to move to the initial height position through the right sliding baffle plate 351, so that the wedge plate member 355 continues to push the left linkage column 354 backward. The left linkage column 354 drives the left sliding baffle plate 351 to be inserted into the left insertion slot again. At the same time, the left sliding baffle plate 351 drives the rear end of the connecting plate member 353 to move to the rear upper position of the guide slot 352.

[0063] In this embodiment, since the pitch of the reciprocating thread of the rotating rod 357 is different from that of the reciprocating thread of the driving rod 342, and the diameter of the pulley on the rotating rod 357 is different from that on the driving rod 342, the moving speed of the unlocking plate 356 is different from the moving speed of the pushing frame 32, so that the timing of the contact between the unlocking plate 356 and the right linkage column 354 is not fixed, and the height of the counterweight block 12 during free fall is random, so that the application of the impact load on the wire rope is irregular, which is closer to the randomness of the load change in actual use by the user, and ensures that the detection result is more valuable for reference.

[0064] See also Figure 1 and Figure 8A swing plate 213 is rotatably arranged on the left side of the sliding frame 211, and two waist-shaped grooves are arranged up and down on the swing plate 213. The lower waist-shaped groove cooperates with the raised column notch on the deflection wheel frame 212. An asynchronous motor 214 is fixedly installed on the upper side of the top wall of the detection box 1, and a driving disk 215 is fixedly installed on the output shaft of the asynchronous motor 214. The driving disk 215 cooperates with the upper waist-shaped groove notch through the toggle column at the eccentric position on its right side.

[0065] See also Figure 8 and Fig. 9 The guide wheel 22 at the lower part of the deflection wheel frame 212 is provided with two groups of abutment columns 216 symmetrically arranged front and rear through the skirt, each group is composed of a plurality of abutment columns 216 arranged at equal intervals along the circumference of the guide wheel 22, the rear abutment column 216 is slidably connected to the skirt of the guide wheel 22, and the front abutment column 216 is fixedly connected to the skirt of the guide wheel 22.

[0066] When it is necessary to simulate the situation where there are debris attached to the wire rope, start the asynchronous motor 214, so that the asynchronous motor 214 drives the driving disk 215 to rotate, and the driving disk 215 drives the swing plate 213 to swing back and forth through the toggle column, and the swing plate 213 drives the deflection wheel frame 212 to move back and forth along the arc structure of the sliding frame 211, so that the deflection wheel frame 212 drives the two groups of abutment columns 216 to alternately contact the wire rope through the guide wheel 22 thereon, so as to simulate the friction and impact conditions when debris adheres to the surface of the wire rope in actual use, further improve the fit between the detection condition and the actual condition, and through the abutment columns 216 with two connection forms of sliding and fixed, it is possible to simulate the influence of debris of different hardness and softness on the wire rope, effectively fill the shortcomings of the existing technology in simulating complex environments, and enhance the comprehensiveness and reliability of the detection results.

[0067] In addition, the guide wheel 22 can continuously change the position of the friction wire rope when deflected, simulating the wear of the wire rope under different friction paths, further expanding the detection dimension, and comprehensively evaluating its anti-fatigue performance. When the driving disk 215 drives the toggle column on it to rotate to the upper part, the toggle column is far away from the turning point of the swing plate 213, so that the swing speed of the swing plate 213 is slower. Conversely, the driving disk 215 drives the swing plate 213 to swing quickly, so that the speed at which the sliding frame 211 drives the guide wheel 22 to rotate back and forth is inconsistent, thereby being able to further simulate extreme conditions.

[0068] See also Figure 1 , Figure 3 and Figure 7 The guide mechanism 2 also includes a segmented component 23. When the segmented component 23 moves synchronously with the wire rope, it is locked in advance so that the impact load applied by the counterweight block 12 to the wire rope is concentrated on the key section where the wire rope pulls the counterweight block 12.

[0069] See also Figure 3 and Figure 7 The segmented assembly 23 includes a linkage plate frame 231 which is slidably arranged up and down on the left side of the supporting wheel frame 217. Two rope clamping plates 232 which are symmetrically arranged front and back are slidably arranged front and back on the linkage plate frame 231. A bidirectional screw 233 which is threadedly connected to the rope clamping plate 232 is rotatably arranged on the linkage plate frame 231. An adjusting screw 234 which blocks the linkage plate frame 231 is threadedly connected inside the supporting wheel frame 217.

[0070] After the wire rope is arranged on the guide wheel 22, the wire rope between the left part of the support wheel frame 217 and the sliding frame 211 is in a vertical state and is located between the two rope clamping plates 232. Then, the bidirectional screw 233 is manually rotated to drive the rope clamping plates 232 to clamp on the wire rope, so that when the counterweight block 12 moves up and down, the wire rope drives the linkage plate frame 231 to move synchronously through the rope clamping plates 232.

[0071] When the entire wire rope needs to be tested, the adjusting screw 234 is prevented from contacting the linkage plate frame 231, so that the adjusting screw 234 does not block the linkage plate frame 231, and the impact load of the counterweight 12 on the wire rope can be transmitted along the wire rope to the entire wire rope, thereby testing the entire wire rope.

[0072] When it is necessary to inspect the main stress-bearing section of the wire rope, the operator manually turns the adjusting screw 234 to move the adjusting screw 234 downward, and then starts the synchronous motor 343 and the asynchronous motor 214. Similarly, when the counterweight 12 falls freely, the wire rope drives the linkage plate frame 231 to move upward synchronously until the linkage plate frame 231 rests against the lower part of the adjusting screw 234, causing the wire rope to stop instantly. At this time, the wire rope section located on the right side of the linkage plate frame 231 is in a relaxed state, so that the impact load of the counterweight 12 on the wire rope is applied to the wire rope section located on the left side of the linkage plate frame 231, thereby independently and accurately evaluating the durability of the key section of the wire rope and avoiding the problem of key defects being concealed in the overall inspection.

[0073] After the test is completed, the operator measures the diameter of the wire rope and observes the surface of the wire rope. If the diameter of the wire rope is within the standard range and the surface of the wire rope meets the standard, the test is judged to be qualified, otherwise it is unqualified.

[0074] See also Figure 1-Figure 9 When testing the steel wire rope, the present invention also includes the following steps: In the first step, the operator arranges the steel wire rope inside the detection box 1 so that the steel wire rope is wound around the guide wheel 22, and one end is fixedly connected to the detection box 1, and the other end is fixedly connected to the counterweight 12.

[0075] In the second step, the operator lifts the sliding frame 211 by screwing the driving screw, so that the sliding frame 211 pulls the wire rope through the deflection wheel frame 212 and the guide wheel 22 at the corresponding position, thereby lifting the counterweight 12, so that the wire rope is affected by the gravity of the counterweight 12 in the initial state.

[0076] The third step is to start the synchronous motor 343 and the asynchronous motor 214, so that the movable square rod 341 drives the pushing wheel 33 downward through the sliding baffle 351, so that the pushing wheel 33 presses the wire rope downward, so that the wire rope lifts the counterweight block 12 upward, and the driving rod 342 drives the unlocking plate 356 to move upward through the rotating rod 357.

[0077] In the fourth step, the unlocking plate 356 pushes the right linkage column 354 forward, so that the movable square rod 341 remains connected to the pushing frame 32 through the sliding baffle plate 351 on the left, and then the movable square rod 341 starts to drive the pushing frame 32 to move upward at a uniform speed, so that the counterweight block 12 falls at a uniform speed under the action of gravity, thereby completing a uniform lifting and lowering of the counterweight block 12.

[0078] In the fifth step, the pushing frame 32 moves upward to the upper initial position again, the wedge plate 355 pushes the left linkage column 354 backward, and then the driving rod 342 drives the pushing frame 32 downward again, so that the tension spring drives the left sliding baffle 351 to move forward to exit the left insertion slot through its own tension, and the pushing frame 32 lifts the counterweight block 12 again through the pushing wheel 33.

[0079] In the sixth step, the unlocking plate 356 contacts the right linkage column 354, and the unlocking plate 356 drives the right sliding baffle 351 to withdraw from the right insertion slot, so that the pushing frame 32 is no longer locked with the moving square rod 341, and the counterweight block 12 falls freely under the action of gravity.

[0080] In the seventh step, the counterweight 12 drives the pushing wheel 33 to move upward quickly through the wire rope, and the pushing frame 32 drives the left linkage column 354 to lean against the wedge plate 355, so that the pushing frame 32 cannot drive the left linkage column 354 to move upward, so that the pushing frame 32 stops moving upward instantly, and then the counterweight 12 causes an instantaneous impact on the wire rope, completing an impact load test on the wire rope.

[0081] In the eighth step, the asynchronous motor 214 drives the two groups of abutment columns 216 to contact the steel wire rope alternately, thereby simulating the friction and impact conditions when debris adheres to the surface of the steel wire rope in actual use, and further improving the fit between the detection conditions and the actual conditions.

[0082] In the ninth step, the operator manually turns the adjusting screw 234 so that when the counterweight 12 falls freely, the linkage plate frame 231 abuts against the lower part of the adjusting screw 234, so that the impact load of the counterweight 12 on the wire rope is applied to the wire rope section located on the left side of the linkage plate frame 231, thereby independently and accurately evaluating the durability of the key section of the wire rope and avoiding the problem of key defects being concealed in the overall inspection.

[0083] In the tenth step, the operator measures the diameter of the wire rope and observes the surface of the wire rope. If the diameter of the wire rope is within the standard range and the surface of the wire rope meets the standard, the test is judged to be qualified, otherwise it is unqualified.

[0084] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations on the present invention. A person skilled in the art may make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention and they are still covered by the protection scope of the present invention.

Claims

1. A fitness equipment component detection device, comprising a detection box, a counterweight block connected to a steel wire rope is arranged on the left side of the detection box for sliding up and down through a guide column, characterized in that: A guide mechanism for guiding the steel wire rope and a detection mechanism are arranged inside the detection box; The guide mechanism includes a plurality of guide wheels arranged inside the detection box through a wheel frame assembly, and the steel wire rope is arranged on the guide wheels. The guide mechanism also includes a segment assembly, and the segment assembly is locked in advance when it moves synchronously with the steel wire rope, so that the impact load applied by the counterweight block to the steel wire rope is all concentrated on the key section where the steel wire rope pulls the counterweight block; The detection mechanism includes a guide rail rod fixedly installed on the rear side of the detection box, a push frame is slidably connected to the front side of the guide rail rod, and a push wheel is rotatably provided on the lower side of the front end of the push frame. The detection mechanism also includes a reciprocating lift and a locking assembly; The reciprocating lift intermittently pushes the wire rope downward and lifts the counterweight through the driving wheel. The locking assembly cooperates with the reciprocating lift so that the counterweight falls at a constant speed and connects with the free fall alternately, thereby alternately applying static load and impact load on the wire rope.

2. A fitness equipment component detection device according to claim 1, characterized in that: The wheel frame assembly includes a sliding frame that is slidably arranged on the top wall of the detection box up and down, the lower part of the sliding frame is an arc-shaped structure, and a deflection wheel frame is slidably arranged on the lower side of the sliding frame along its arc structure, a fixed wheel frame is fixedly installed on the left end of the right side wall of the detection box, and a guide wheel is rotatably connected to the left side of the fixed wheel frame.

3. A fitness equipment component detection device according to claim 2, characterized in that: A swing plate is rotatably arranged on the left side of the sliding frame, and two waist-shaped grooves are arranged up and down on the swing plate. The lower waist-shaped groove cooperates with the raised column notch on the deflection wheel frame. An asynchronous motor is fixedly installed on the upper side of the top wall of the detection box, and a driving disk is fixedly installed on the output shaft of the asynchronous motor. The driving disk cooperates with the upper waist-shaped groove notch through a toggle column at an eccentric position on its right side.

4. A fitness equipment component detection device according to claim 2, characterized in that: The wheel frame assembly also includes a supporting wheel frame fixedly installed on the lower side of the top wall of the detection box, and a movable plate is installed on the lower ends of the supporting wheel frame and the deflection wheel frame for sliding up and down. The supporting wheel frame, the deflection wheel frame and the lower ends of the movable plate are rotatably connected to a guide wheel, and a locking plug plate is connected to the supporting wheel frame and the deflection wheel frame for sliding left and right.

5. A fitness equipment component detection device according to claim 4, characterized in that: The guide wheel at the lower part of the deflection wheel frame is provided with two groups of abutment columns arranged symmetrically front and rear through the skirt, each group is composed of a number of abutment columns arranged at equal intervals along the circumference of the guide wheel, the abutment column on the rear side is slidably connected to the guide wheel skirt, and the abutment column on the front side is fixedly connected to the guide wheel skirt.

6. A fitness equipment component detection device according to claim 4, characterized in that: The segmented assembly includes a linkage plate frame that is slidably arranged up and down on the left side of the supporting wheel frame, and two rope clamping plates that are symmetrically arranged front and back are slidably arranged on the linkage plate frame. A bidirectional screw that is threadedly connected to the rope clamping plate is rotatably arranged on the linkage plate frame, and an adjusting screw that blocks the linkage plate frame is threadedly connected inside the supporting wheel frame.

7. A fitness equipment component detection device according to claim 1, characterized in that: The reciprocating lift includes a moving square rod that slides up and down and is inserted into the pushing frame. Insertion grooves are provided at both left and right ends of the lower side of the moving square rod. A driving rod is rotatably arranged inside the detection box. The driving rod is provided with a reciprocating thread that is threadedly connected to the moving square rod. A synchronous motor that drives the driving rod to rotate is fixedly installed on the upper side of the detection box.

8. A fitness equipment component detection device according to claim 7, characterized in that: The locking assembly includes two sliding baffles arranged left and right and slidably arranged on the pushing frame, a spiral push spring is arranged between the right sliding baffle and the pushing frame, a tension spring is arranged between the left sliding baffle and the pushing frame, a guide groove is opened on the left side of the pushing frame, a connecting plate is hinged on the left sliding baffle, and the rear end of the connecting plate slides inside the guide groove.

9. A fitness equipment component detection device according to claim 8, characterized in that: A linkage column is fixedly installed on one side of the sliding baffle away from the pushing frame, a wedge plate component is fixedly installed on the left side of the guide rod for pushing the left linkage column backward, and an unlocking plate component for pushing the right linkage column forward is slidably arranged on the front side of the rear wall of the detection box.

10. A fitness equipment component detection device according to claim 9, characterized in that: A rotating rod is rotatably arranged inside the detection box, and a reciprocating thread is provided on the rotating rod, which is threadedly connected to the unlocking plate. The rotating rod is connected to the driving rod through a pulley and a belt. The pulley diameters on the rotating rod and the driving rod are different. The reciprocating thread of the rotating rod is located at the lower part of the reciprocating thread of the driving rod, and the pitches of the two reciprocating threads are different.

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