Mechanical platform for evaluating ability of weightlifting athlete

Abstract

The utility model relates to a mechanical platform for evaluating the ability of a weightlifting athlete, which comprises a rubber plate, a packaging frame and a plurality of force measuring tables, reserved positioning holes and positioning splicing gaps are arranged at the four corners of the four side surfaces of each force measuring table, and the four adjacent force measuring tables are connected together through central connecting pieces. Every two adjacent force measuring tables on the same side of the periphery are connected together through an outer frame connecting piece, and the reserved positioning holes are connected together through a torsion sealing block. A plurality of force measuring tables with reserved positioning holes and positioning splicing notches are spliced with one another to form a table plate of the whole mechanical platform, a rubber plate is fixed to the surface of the table plate, and the rubber plate and the table plate are wrapped and packaged together through a packaging frame. The device is formed by splicing force test tables, can test data such as component force and resultant force in the horizontal direction, the vertical direction and the longitudinal direction, a pressure map, a pressure center track and the maximum pressure, and provides research data for application research based on weightlifting motion.

Description

Technical Field

[0001] The utility model relates to a sports mechanics platform in sports scientific research, in particular to a mechanics platform used for evaluating the ability of weightlifting athletes. Background Art

[0002] In weightlifting competitions and training, athletes stand on a weightlifting platform to lift the barbell. The weightlifting platform or field is 4 meters long, 4 meters wide, and 80 to 150 mm high. The platform must be painted with a 5 cm wide bright color border around the surface. The weightlifting platform can be made of wood, plastic or other sturdy materials. The traditional weightlifting platform is a metal square frame in which a rubber plate and a pedal are placed. The rubber plate, the pedal and the square frame are tightly fitted together, so that the pedal and the rubber plate are clamped in the square frame, and there is no clamp between the components. When the athlete lifts the barbell and puts it down, the barbell will hit the rubber plate heavily, which is easy to cause the rubber plate to tilt, which is not conducive to exercise, has a short service life, and is easy to damage the barbell equipment. The platform with the current specified area occupies a large area and is inconvenient to store. In addition, the traditional weightlifting platform is an integrated weightlifting platform, which is only used for competition training venues, and it is impossible to obtain athlete's special strength research data. Under the condition that the world weightlifting competition level is gradually improved, in order to continue the advantage of my country's weightlifting, the utility model relates to a mechanical platform for weightlifting athlete ability assessment, investigates and analyzes the special strength of weightlifters, establishes a data testing and analysis system, and establishes a special strength assessment standard based on this. Utility Model Content

[0003] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a mechanical platform for evaluating the abilities of weightlifters, which meets the requirements of the sport and has improved anti-slip properties. In addition, the mechanical platform is spliced ​​by force platforms to obtain complete special strength information for analysis by scientific researchers and coaches, and can be easily assembled into a variety of sizes to form a low-noise, long-life, high-performance weightlifting mechanical platform.

[0004] The utility model solves the technical problem with the following technical solutions:

[0005] A mechanical platform for evaluating the ability of a weightlifter, comprising a rubber plate and a packaging frame, the mechanical platform also comprising a number of force measuring platforms, each of the four sides of the force measuring platform is provided with reserved positioning holes and positioning splicing notches, four adjacent force measuring platforms are connected together by a central connecting piece, two adjacent force measuring platforms on the same side of the periphery are connected together by an outer frame connecting piece, and the reserved positioning holes are connected together by a torsion sealing block;

[0006] A number of force measuring platforms with reserved positioning holes and positioning splicing notches are spliced ​​together to form a table plate of the entire mechanical platform. A rubber plate is fixed on the surface of the table plate, and a packaging frame wraps and packages the rubber plate and the table plate together.

[0007] Further, the force platform includes an intermediate connector 8, a support base 4, a force sensor 5 and a top cover plate 3 of the force platform. The intermediate connector 8 connects the support base 4, the force sensor 5 and the top cover plate 3 of the force platform in sequence. The top cover plate of the force platform is a flat rectangular main body with an open lower part, and reserved positioning holes 6 and positioning splicing notches 12 are respectively provided at the corner points of the four sides of the flat rectangular main body; the force sensor 5 is connected to the computer and the power supply through the lead interface 7;

[0008] The support base is located at the four lower corners of the top cover plate of the force measuring platform.

[0009] Furthermore, the reserved positioning hole is a square hole, and the reserved positioning hole located on the outer force measuring platform is sealed and fixed by a torsion sealing block; the torsion sealing block 10 includes a twisted square prism, a connecting short column and a sealing cover, and the twisted square prism and the sealing cover are connected by a connecting short column to form a whole.

[0010] Furthermore, the thickness of the connecting short column is equal to the sum of the thickness of the force measuring platform and the packaging frame, and preferably the diameter of the connecting short column is the diameter of the inscribed circle of the bottom surface of the twisted square prism.

[0011] Furthermore, the side surface of the twisted square prism is a concave twisted surface with a twisting angle of 60°.

[0012] Furthermore, the upper part of the central connecting member has a square panel, and positioning grooves for accommodating the square panel of the central connecting member are arranged at the four corner points of the top cover plate of the force platform, and the area of ​​the positioning groove is 1 / 4 of the square panel. When the square panel is placed in the positioning groove of the top cover plate of the force platform, the upper surfaces of the two are located in the same plane; four slots are arranged at the lower center of the central connecting member, and each slot can be inserted into the thickness of the side surfaces of two top cover plates of the force platform, and the side surfaces of two adjacent top cover plates of the force platform are inserted into the same slot through the positioning splicing notch; the four slots can plug together the four top cover plates of the force platform with four opposite corner points;

[0013] The outer frame connector 13 has a rectangular panel on the upper part, a slot is arranged along the short side of the rectangular panel on the lower part, and two baffles are arranged along the long side of the rectangular panel. The two baffles are connected to the slot in a T-shape to form a whole. The side surfaces of the top cover plates of two adjacent force platforms located on the same side of the edge of the table are inserted into the slot, and the outer surfaces are covered by the two baffles. The area of ​​the rectangular panel is half of that of the square panel, and can be placed in the positioning grooves of the top cover plates of two adjacent force platforms.

[0014] Furthermore, the side length of the sealing cover is much longer than the side length of the bottom surface of the twisted square prism, and is smaller than the side height of the packaging frame 11 .

[0015] Furthermore, shock-absorbing flexible clamping strips are arranged between adjacent force measuring platforms and between the force measuring platforms and the rubber plates.

[0016] Furthermore, the rubber sheet is a yellow, red, green, blue, orange or brown rubber sheet with a thickness of 10 mm, and the rubber sheet is a butyl rubber sheet sandwiched with stainless steel.

[0017] Furthermore, the size of the force measuring platform is 1m*1m, and the number of force measuring platforms is 16.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. The utility model is composed of a table plate composed of assembled force platform blocks and a packaging frame encapsulated around it. The contact surface on the upper surface of the table plate is an integrated rubber plate, which is covered with the entire rubber plate. It has strong wear resistance and elasticity, cut and tear resistance, good flexibility, heat resistance, acid and alkali resistance, wear resistance and noise reduction, and is not easy to damage the barbell. It is composed of force platforms, which can test the component and resultant forces in the horizontal, vertical and longitudinal directions, pressure maps, pressure center trajectory, maximum pressure and other data, provide data analysis templates and parameter index systems for application research based on weightlifting, and establish special strength evaluation standards based on this.

[0020] 2. The utility model adopts a small force measuring platform with an area of ​​1 square meter for modification and assembly. It has a simple structure, a stable assembly structure, and is easy to assemble into various specifications of tabletops. It is both economical and practical and can meet the international weightlifting platform specification standards, and is suitable for wide promotion and application;

[0021] 3. The utility model adopts a central connector and an outer frame connector, and it is necessary to leave a positioning groove in the top cover plate of the force measuring platform, and connect the force measuring platform together through the central connector and the outer frame connector to achieve direct front assembly.

[0022] 3. In the utility model, a torsion sealing block is used as a pre-tightening metal component, and the torsion sealing block is used to fix the rubber plate, the force platform, and the packaging frame into an integrated mechanical platform, thereby enhancing the reliability and tightness of the connection to prevent gaps or relative slippage between the connecting parts after being subjected to load.

[0023] 4. The intermediate connecting piece of the force platform in the utility model is a highly prestressed component, which can improve the rigidity of the structure itself, reduce vibration and elastic deformation, and significantly improve the elastic strength of the tension module, making the original resistance stronger.

[0024] The concept, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the overall structure of a mechanical platform for evaluating the ability of weightlifters in the utility model;

[0026] Figure 2 This is a schematic structural diagram of a mechanical platform for evaluating the ability of weightlifters according to the utility model, in which the rubber plate is partially removed;

[0027] Figure 3 It is a side view structural schematic diagram of a force measuring platform in a mechanical platform for evaluating the ability of weightlifting athletes of the utility model;

[0028] Figure 4 It is a schematic diagram of the structure of the upward angle of the force platform in a mechanical platform for evaluating the ability of weightlifters in the utility model;

[0029] Figure 5 for Figure 4 A schematic diagram of the structure of the positioning splicing gap 12 area;

[0030] Figure 6 This is a schematic diagram of a center connection piece of a mechanical platform force platform for evaluating the ability of weightlifting athletes in the utility model;

[0031] Figure 7 This is a schematic diagram of an outer frame connector of a mechanical platform force platform for evaluating the ability of weightlifters in the utility model;

[0032] Figure 8 This is a schematic diagram of a torsion seal block of a mechanical platform force table used for evaluating the ability of weightlifters in the utility model;

[0033] Fig. 9 This is a schematic structural diagram of a packaging frame of a mechanical platform force table for evaluating the ability of weightlifting athletes according to the utility model;

[0034] Fig.10This is a schematic diagram of the structure of a force platform of a mechanical platform for evaluating the ability of weightlifters after being assembled, as viewed from a top angle;

[0035] Fig.11 This is a schematic diagram of the structure at an upward angle of a force platform of a mechanical platform for evaluating the ability of weightlifters of the utility model after assembly;

[0036] Fig.12 for Fig.11 The enlarged structural diagram at A in the middle;

[0037] Fig.13 for Fig.11 The enlarged structural diagram at B in the middle;

[0038] In the figure: 1. Mechanical platform, 2. Rubber plate, 3. Top cover plate of force measuring platform, 4. Support base, 5. Force sensor, 6. Reserved positioning hole, 7. Lead interface, 8. Middle connector, 9. Center connector, 10. Torsion sealing block, 11. Packaging frame, 12. Positioning splicing notch, 13. Outer frame connector. DETAILED DESCRIPTION

[0039] The specific embodiments of the present invention are given below. The specific embodiments are only used to further illustrate the present invention in detail and do not limit the protection scope of the claims of the present invention.

[0040] See also Figure 1-8 The utility model provides a technical solution: a mechanical platform for evaluating the ability of weightlifters, including a mechanical platform 1, a rubber plate 2, a top cover plate of a force measuring platform 3, a supporting base 4, a force sensor 5, a lead interface 7, an intermediate connector 8, a center connector 9, a torsion sealing block 10, a packaging frame 11, a positioning splicing notch 12 and an outer frame connector 13.

[0041] The support base 4, the force sensor 5 and the top cover plate 3 of the force platform are connected in sequence by an intermediate connector 8 to form a force platform. The force sensor 5 is connected to a computer and a power supply through a lead interface 7. The support base is located at the four corners of the lower part of the top cover plate of the force platform. The top cover plate of the force platform is a flat rectangular main body with an open lower part. Reserved positioning holes 6 and positioning splicing notches 12 are respectively provided at the corner points of the four sides of the flat rectangular main body.

[0042] A number of force platforms with positioning and splicing notches 12 are spliced ​​together through a central connector 9 to form a tabletop of the entire mechanical platform; two adjacent force platforms on the same side of the periphery are spliced ​​together through an outer frame connector 13, and then a torsion sealing block 10 is inserted into the reserved positioning hole 6 to splice and fix the packaging frame, the rubber plate and the tabletop together.

[0043] In this embodiment, 4x4 force platforms are assembled into a 4mx4m platform, which is covered with a rubber plate 2 after being assembled into a whole. Then, a packaging frame 11 is arranged outside the whole. The packaging frame wraps and packages the rubber plate and the platform together. A reserved positioning hole is also arranged at a position corresponding to the reserved positioning hole on the force platform on the side of the packaging frame. One end of the torsion sealing block 10 extends into the reserved positioning hole of the packaging frame and the exposed reserved positioning hole of the force platform in turn, and the other end is placed outside the side of the packaging frame (see Fig.13 ), the reserved positioning holes of the packaging frame are sealed and fixed, and at this time all the force platforms and rubber plates are nested in the packaging frame to form a mechanical platform 1.

[0044] The central connector has a square panel on the top, and positioning grooves for accommodating the square panel of the central connector are set at the four corner points of the top cover of the force platform. The area of ​​the positioning groove is 1 / 4 of the square panel. When the square panel is placed in the positioning groove of the top cover of the force platform, the upper surfaces of the two are located in the same plane. The lower center of the central connector is provided with four slots, each of which can be inserted into the thickness of the sides of two top cover plates of the force platform. The sides of two adjacent top cover plates of the force platform are inserted into the same slot through the positioning splicing notch; the four slots can plug together four top cover plates of the force platform with four corner points facing each other (see Fig.12 ) to facilitate the frontal splicing and assembly of the force platform.

[0045] The outer frame connector 13 has a rectangular panel on the upper part, a slot is arranged along the short side of the rectangular panel on the lower part, and two baffles are arranged along the long side of the rectangular panel. The two baffles are connected to the slot in a T-shape to form a whole. The side surfaces of the top cover plates of two adjacent force platforms located on the same side of the edge of the table are inserted into the slot, and the outer surfaces are covered by the two baffles. The area of ​​the rectangular panel is half of that of the square panel, and can be placed in the positioning grooves of the top cover plates of two adjacent force platforms to realize the assembly connection of the edge force platforms.

[0046] The force platforms at the four corners are packaged and fixed by a packaging frame.

[0047] The positioning and splicing notch 12 is located at the junction of the side surface and the top surface of the top cover plate of the force measuring platform, and the size of the notch is larger than that at the non-junction position.

[0048] The twisted sealing block 10 is composed of a twisted square prism, a connecting short column and a sealing cover fixed coaxially, and the twisted square prism and the sealing cover are connected by the connecting short column to form a whole. The side length of the sealing cover is much longer than the side length of the bottom surface of the twisted square prism and is shorter than the side height of the packaging frame 11. A recess is provided on the side of the sealing cover facing the twisted square prism to facilitate sealing and fitting.

[0049] The thickness of the connecting short column is equal to the sum of the thickness of the force measuring platform and the packaging frame. Preferably, the diameter of the connecting short column is the diameter of the inscribed circle of the bottom surface of the twisted square prism.

[0050] The twisted square prism is fixed in the reserved positioning hole by twisting. The side surface of the twisted square prism is a concave twisted surface, and the twisting angle is 60°.

[0051] The working principle of the mechanical platform used for weightlifting athlete ability assessment of the utility model is: after assembling, placing and adjusting the mechanical platform, the signal lines and power lines of each force measuring platform are correctly connected, and the power is turned on, the mechanical platform can work; the parameters such as synchronous input / output are set by the computer, and the test can be started. The relevant data of the athlete in various posture conditions such as high grab, high clean, push, front squat, back squat, wide deadlift, etc. in weightlifting can be obtained, which is more convenient to use.

[0052] The weightlifting platform for sports venues formed by the utility model is composed of a number of 1㎡ square metal force platform assembly blocks, which are covered by rubber plates, and a flexible clamping strip for shock absorption is bonded between the force platform and the rubber plate. It has good shock absorption effect, long service life, and a wide range of applications. It can be used not only on the ground of various sports venues but also on the floors of civil residences. At the same time, the athlete is stationary or moving on the mechanical platform, and the four three-dimensional force sensors of each force platform in the mechanical platform obtain the athlete's mechanical information (vector contact force), which is transmitted to the computer through a data transmitter, a data acquisition instrument, and a data processor, and the analysis software is calculated to obtain complete special strength information. It is provided for analysis by scientific researchers and coaches, and provides a data analysis template and a parameter index system for applied research based on weightlifting, and establishes a special strength evaluation standard based on this.

[0053] The subsequent data processing of the mechanical information of the athlete obtained by the three-dimensional force sensor of the force measuring platform can be realized according to the existing technology.

[0054] In this embodiment, the twisted square prism in the torsion sealing block is a square with a cross section of 20x20mm, which can be inserted into the reserved positioning hole for splicing and fixing. After determining the position, the torsion sealing block can be fixed by twisting it. The torsion sealing block is a preload component.

[0055] Furthermore, shock-absorbing flexible clamping strips are bonded between the rubber plate and the force measuring platform, between adjacent force measuring platforms, and between the force measuring platform and the packaging frame.

[0056] Furthermore, the rubber sheet is a yellow, red, green, blue, orange or brown rubber sheet with a thickness of 10 mm, and the rubber sheet is a butyl rubber sheet sandwiched with stainless steel.

[0057] Furthermore, the intermediate connecting piece is a highly prestressed component, which is composed of a hollow cap rod, a pre-tightening bolt, a cylinder head screw with a hexagon socket, etc.

[0058] Furthermore, the platform can be composed of 16 square force platforms with an area of ​​1 square meter, and is a square. The mechanical platform legs are composed of 4x4x4 support bases, and the support bases are treated with anti-slip textures.

[0059] The above describes in detail the preferred specific embodiments of the utility model. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

[0060] Anything not described in the present invention is applicable to the prior art.

Claims

1. A mechanical platform for evaluating the ability of weightlifters, comprising a rubber plate and a packaging frame, characterized in that: The mechanical platform also includes a number of force measuring platforms, each of which is provided with reserved positioning holes and positioning splicing notches at the four corners of the four sides of the force measuring platform, the four adjacent force measuring platforms are connected together by a central connecting piece, the two adjacent force measuring platforms on the same side of the periphery are connected together by an outer frame connecting piece, and the reserved positioning holes are connected together by a torsion sealing block; A number of force measuring platforms with reserved positioning holes and positioning splicing notches are spliced ​​together to form a table plate of the entire mechanical platform. A rubber plate is fixed on the surface of the table plate, and a packaging frame wraps and packages the rubber plate and the table plate together.

2. The mechanical platform for weightlifting athlete performance assessment according to claim 1, characterized in that: The force platform includes an intermediate connector, a support base, a force sensor and a top cover plate of the force platform. The intermediate connector connects the support base, the force sensor and the top cover plate of the force platform in sequence. The top cover plate of the force platform is a flat rectangular main body with an open bottom. Pre-set positioning holes and positioning splicing notches are respectively provided at the corner points of the four sides of the flat rectangular main body. The force sensor is connected to a computer and a power supply through a lead interface. The support base is located at the four lower corners of the top cover plate of the force measuring platform.

3. The mechanical platform for weightlifting athlete performance assessment according to claim 1, characterized in that: The reserved positioning hole is a square hole, and the reserved positioning hole located on the outer force measuring platform is sealed and fixed by a torsion sealing block; the torsion sealing block includes a twisted square prism, a connecting short column and a sealing cover, and the twisted square prism and the sealing cover are connected by a connecting short column to form a whole.

4. The mechanical platform for weightlifting athlete performance assessment according to claim 3, characterized in that: The thickness of the connecting short column is equal to the sum of the thickness of the force measuring platform and the packaging frame.

5. The mechanical platform for weightlifting athlete performance assessment according to claim 4, characterized in that: The diameter of the connecting short column is the diameter of the inscribed circle of the base of the twisted square prism.

6. The mechanical platform for weightlifting athlete performance assessment according to claim 3, characterized in that: The side surface of the twisted square prism is a concave twisted surface with a twisting angle of 60°.

7. The mechanical platform for weightlifting athlete performance assessment according to claim 1, characterized in that: The upper part of the central connecting piece is provided with a square panel, and positioning grooves for accommodating the square panel of the central connecting piece are arranged at the four corner points of the top cover plate of the force platform, and the area of ​​the positioning groove is 1 / 4 of the square panel. When the square panel is placed in the positioning groove of the top cover plate of the force platform, the upper surfaces of the two are located in the same plane; the lower center of the central connecting piece is provided with four slots, each of which can be inserted into the thickness of the sides of the two top cover plates of the force platform, and the sides of the two adjacent top cover plates of the force platform are inserted into the same slot through the positioning splicing notch; the four slots can plug together the four top cover plates of the force platform with four opposite corner points; The outer frame connecting piece has a rectangular panel on the upper part, and a slot is arranged on the lower part along the short side of the rectangular panel. The side surfaces of the top cover plates of two adjacent force measuring platforms located on the same side of the edge of the platform are inserted into the slot; the area of ​​the rectangular panel is half of the square panel, and can be placed in the positioning grooves of the top cover plates of two adjacent force measuring platforms.

8. The mechanical platform for weightlifting athlete performance assessment according to claim 7, characterized in that: The outer frame connector is provided with two baffles along the long sides of the rectangular panel, and the two baffles are connected to the slots provided on the short sides in a T-shape to form a whole.

9. The mechanical platform for weightlifting athlete performance assessment according to claim 3, characterized in that: The side length of the sealing cover is much longer than the side length of the bottom surface of the twisted square prism, and is shorter than the side height of the packaging frame.

10. The mechanical platform for weightlifting athlete performance assessment according to claim 1, characterized in that: Shock-absorbing flexible clamping strips are arranged between adjacent force measuring platforms and between the force measuring platforms and the rubber plates; the rubber plates are yellow, red, green, blue, orange or brown rubber plates with a thickness of 10 mm, and the rubber plates are butyl rubber plates sandwiched with stainless steel.

11. The mechanical platform for weightlifting athlete performance assessment according to claim 1, characterized in that: The size of the force measuring platform is 1m*1m, and there are 16 force measuring platforms.

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