A device for leveling a long jump pit

Abstract

The utility model relates to track and field technology field, put forward a kind of track and field long jump sand pit flattening device, including: be located in sand pit back side's back baffle, sand pit is filled with sand, the inner wall of the limiting frame is equipped with anti-deviation slide rail, and the inner wall of the anti-deviation slide rail is slidably connected with slider, the bidirectional rotation motor is installed fixed in the outer surface of the slider, and the inside of the slider is connected with rotating rod, the flattening roller is fixedly connected in the outer surface of rotating rod, and the left and right ends of rotating rod are both connected with slider, the gear is fixedly connected in the outer surface of the left and right sides of rotating rod, and gear is meshed with the upper side of rack, the left and right sides of sand pit are both fixed with side baffle. This track and field long jump sand pit flattening device, it is convenient to prevent sand from splashing, avoid sand splashing, also convenient to sand fast flattening treatment, avoid the accumulation phenomenon.

Description

Technical Field

[0001] This utility model relates to the field of athletic fields, specifically to a device for leveling a sandpit for long jump in athletic fields. Background Technology

[0002] There are many track and field events, such as shot put, javelin, triple jump and long jump. Among them, the track and field event that can be seen in various schools is the long jump. The long jump requires a small venue. As long as a side platform is built and sand is filled inside the side platform to form a sandpit, a normal competition can be held. There are three referees in the long jump competition: one records and the other two measure. Prior art 1 (application number: CN201820618517.0) discloses a sandpit leveling device for sports fields, comprising a power mechanism and guide rail grooves symmetrically arranged on both sides of the sandpit; a support shaft is provided between the guide rail grooves, and a main support is provided on the support shaft; two strip grooves are symmetrically arranged on the main support, and the two strip grooves are arranged in an inverted V-shape; an upper leveling plate is inserted into the strip groove, and a lower leveling plate is rotatably connected to the upper leveling plate, and a limiting structure is provided at the connection between the upper and lower leveling plates; baffles are connected to both sides of the upper leveling plate extending out of the strip groove; a screening mechanism is provided between the upper leveling plates, the screening mechanism including a support plate fixed between the upper leveling plates and a screening plate above the support plate; through holes are evenly distributed on the support plate and the screening plate; an opening that cooperates with the screening plate is provided on the upper leveling plate; this utility model has a simple structure, fast leveling speed and screening function.

[0003] However, during the implementation of the relevant technology, the following problems were found with the above-mentioned sports field sandpit leveling device: After the existing device levels the sand, the sand tends to accumulate at the front and back of the sandpit, and the sand also tends to splash to the outside of the sandpit, requiring cleaning and increasing the workload. Utility Model Content

[0004] This utility model proposes a sand leveling device for long jump in athletic fields, which solves the problem that existing devices in related technologies tend to cause sand to accumulate at the front and back of the sand pit after leveling, and sand is also prone to splashing to the outside of the sand pit, requiring cleaning and increasing workload.

[0005] The technical solution of this utility model is as follows: a leveling device for a long jump sandpit in an athletic field, comprising: a rear baffle plate disposed on the rear side of the sandpit, wherein the sandpit is filled with sand; A limiting frame, wherein an anti-deviation slide rail is provided on the inner wall of the limiting frame, and a slider is slidably connected to the inner wall of the anti-deviation slide rail; A bidirectional rotating motor is mounted and fixed on the outer surface of the slider, and a rotating rod is connected through the inside of the slider; Also includes: A leveling roller is fixedly connected to the outer surface of a rotating rod, and sliders are connected through both ends of the rotating rod. The gear is fixedly connected to the outer surfaces of the left and right sides of the rotating rod, and the gear meshes with the rack on the upper side.

[0006] Preferably, side baffles are fixedly provided on both the left and right sides of the sand pit, and the middle of the two side baffles is vertical while the upper and lower ends are inclined; at the same time, the rear baffle and the two side baffles surround the sand pit.

[0007] Preferably, the side baffle has an anti-accumulation groove in the middle, and a toothed rack is fixedly connected to the upper end of the inner wall of the anti-accumulation groove, and the lower end of the opening of the anti-accumulation groove near the sand in the sand pit is inclined.

[0008] Preferably, the output end of the bidirectional rotating motor is fixedly installed to the right end of the rotating rod, and the rotating rod forms a rolling structure on the anti-accumulation groove through gears.

[0009] Preferably, a limiting frame is fixedly connected to the middle outer surface of the side baffle, and the maximum vertical height of the anti-deviation slide rail opened on the limiting frame is equal to the maximum height of the slider.

[0010] Preferably, the slider has a back-and-forth sliding structure at the anti-deviation slide rail via gears, and the slider has a "T" shaped structure.

[0011] Preferably, the leveling roller forms a rolling structure inside the sand pit through a rotating rod, and the longitudinal section of the leveling roller has a cross-shaped structure and a hollow structure.

[0012] Preferably, the rolling path of the leveling roller inside the sand pit is cylindrical, and the horizontal tangent at the lower end of the cylindrical structure coincides with the upper surface of the sand body.

[0013] The working principle and beneficial effects of this utility model are as follows: It is mainly to facilitate the protection of sand from splashing, and also to facilitate the quick leveling of sand to avoid accumulation.

[0014] 1. In this utility model, a rear baffle and a side baffle are provided. The rear baffle and the side baffle prevent sand from splashing out. At the same time, the upper and lower ends of the side baffle are inclined to facilitate the sand to slide into the sand pit. The middle part of the side baffle is provided with an anti-accumulation groove. The lower end of the anti-accumulation groove is inclined to prevent sand from accumulating at the anti-accumulation groove and facilitate the sand to slide into the sand pit. 2. In this utility model, a gear and a rack are provided. The gear meshes with the rack to drive the leveling roller to roll inside the sand pit, thereby facilitating the pushing and leveling of the sand. This is convenient and quick, so that athletes can perform long jump without being affected. 3. In this utility model, a leveling roller and a rotating rod are provided. The leveling roller rolls above the sand body through the rotating rod. When the sand body is level, the rolling path of the outer surface of the leveling roller contacts the upper surface of the sand body. Thus, when the leveling roller rolls, it is convenient to push the accumulated part of the sand body and facilitate the leveling process. Attached Figure Description

[0015] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0016] Figure 1 This is a schematic diagram of the overall structure proposed in this utility model; Figure 2 The present utility model proposes Figure 1 Enlarged structural diagram at point A in the middle; Figure 3 This is a schematic diagram of the gear and rack connection structure proposed in this utility model; Figure 4 This is a partial internal structural diagram of the connection between the side baffle and the rotating rod proposed in this utility model.

[0017] In the diagram: 1. Sandpit; 2. Rear baffle; 3. Limiting frame; 4. Anti-accumulation chute; 5. Side baffle; 6. Leveling roller; 7. Rotating rod; 8. Gear; 9. Anti-deviation slide rail; 10. Slider; 11. Bidirectional rotating motor; 12. Rack. Detailed Implementation

[0018] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0019] Please see Figures 1-4 This utility model provides a technical solution for a sandpit leveling device for long jump in athletic fields: including a sandpit 1, a rear baffle 2, a limiting frame 3, an anti-accumulation chute 4, a side baffle 5, a leveling roller 6, a rotating rod 7, a gear 8, an anti-deviation rail 9, a slider 10, a bidirectional rotating motor 11, and a rack 12.

[0020] The working principle and usage process of this utility model are as follows: First, combined with... Figure 1 and Figure 4As shown, side baffles 5 are fixedly installed on both the left and right sides of the sandpit 1. The middle of the two side baffles 5 is vertical, and the upper and lower ends are inclined. At the same time, the rear baffle 2 and the two side baffles 5 surround the sandpit 1. The middle of the side baffles 5 is provided with an anti-accumulation groove 4. The upper end of the inner wall of the anti-accumulation groove 4 is fixedly connected with a toothed rack 12. The lower end of the opening of the anti-accumulation groove 4 near the sand in the sandpit 1 is inclined. When the athlete performs the long jump, when the foot touches the sand, the sand splashes. Under the shielding effect of the rear baffle 2 and the side baffles 5, the sand falls into the sandpit 1 and is prevented from splashing out. At the same time, the middle of the side baffles 5 is provided with an anti-accumulation groove 4. The lower end of the inner wall of the anti-accumulation groove 4 is inclined, which makes it easy for the sand to slide into the sandpit 1 and prevent it from accumulating in the anti-accumulation groove 4. Combination Figure 1 , Figure 2 and Figure 3 As shown, the output end of the bidirectional rotating motor 11 is fixedly installed to the right end of the rotating rod 7, and the rotating rod 7 forms a rolling structure on the anti-accumulation groove 4 through the gear 8. The slider 10 forms a back-and-forth sliding structure at the anti-deviation rail 9 through the gear 8, and the slider 10 has a "T" shaped structure. The leveling roller 6 forms a rolling structure inside the sand pit 1 through the rotating rod 7, and the longitudinal section of the leveling roller 6 has a "+" shaped structure. The leveling roller 6 also has a hollow structure, and the rolling path of the leveling roller 6 inside the sand pit 1 is a cylindrical structure. The horizontal tangent of the lower end of the cylindrical structure is parallel to the sand inside the sand pit 1. With the upper surfaces aligned, turn on the power switch of the bidirectional rotating motor 11. The bidirectional rotating motor 11 drives the rotating rod 7 to rotate, and the rotating rod 7 drives the gear 8 to rotate. The gear 8 meshes with the rack 12, which facilitates the gear 8 to drive the leveling roller 6 to roll on the upper surface of the sand body 5, thus leveling the leveling roller 6. At the same time, the slider 10 is rotatably connected to the rotating rod 7, which facilitates the slider 10 to slide back and forth inside the anti-deviation slide rail 9, making it easy to maintain horizontal movement and avoid deviation, which would affect the use. This facilitates the rapid and stable leveling of the leveling roller 6, making it convenient to use. Combination Figure 2 As shown, a limiting frame 3 is fixedly connected to the outer surface of the middle part of the side baffle 5, and an anti-deviation slide rail 9 is provided in the middle of the limiting frame 3. The maximum vertical height of the anti-deviation slide rail 9 is equal to the maximum height of the slider 10. When the gear 8 rolls inside the sandpit 1 through the rotating rod 7, the rotating rod 7 is rotatably connected to the slider 10, thereby driving the slider 10 to slide back and forth at the anti-deviation slide rail 9. The slider 10 contacts the inner wall of the anti-deviation slide rail 9, which facilitates stable back and forth sliding and avoids deviation, thus affecting its use. This is the working process of the track and field long jump sandpit leveling device.

[0021] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A sandpit leveling device for long jump in athletic fields, comprising: A rear baffle (2) is provided on the rear side of the sand pit (1), which is filled with sand; The limiting frame (3) has an anti-deviation slide rail (9) on its inner wall, and a slider (10) is slidably connected to the inner wall of the anti-deviation slide rail (9). A bidirectional rotating motor (11) is mounted and fixed on the outer surface of the slider (10), and a rotating rod (7) is connected through the inside of the slider (10). Its characteristic is that it further includes: A leveling roller (6) is fixedly connected to the outer surface of a rotating rod (7), and sliders (10) are connected through both the left and right ends of the rotating rod (7). Gear (8), which is fixedly connected to the outer surfaces of the left and right sides of the rotating rod (7), and meshes with the rack (12) on the upper side.

2. The track and field long jump sandpit leveling device according to claim 1, characterized in that, The sand pit (1) is fixedly provided with side baffles (5) on both the left and right sides, and the middle of the two side baffles (5) is vertical and the upper and lower ends are inclined structures; at the same time, the rear baffle (2) and the two side baffles (5) surround the sand pit (1).

3. The track and field long jump sandpit leveling device according to claim 2, characterized in that, The side baffle (5) has an anti-accumulation groove (4) in the middle, and a rack (12) is fixedly connected to the upper end of the inner wall of the anti-accumulation groove (4), and the lower end of the anti-accumulation groove (4) near the sand in the sand pit (1) is inclined.

4. The track and field long jump sandpit leveling device according to claim 1, characterized in that, The output end of the bidirectional rotating motor (11) is fixedly installed at the right end of the rotating rod (7), and the rotating rod (7) forms a rolling structure on the anti-accumulation groove (4) through the gear (8).

5. A sandpit leveling device for long jump in athletic fields according to claim 2, characterized in that, The middle outer surface of the side baffle (5) is fixedly connected to the limit frame (3), and the maximum height dimension of the anti-deviation slide rail (9) opened on the limit frame (3) is equal to the maximum height dimension of the slider (10).

6. A sandpit leveling device for long jump in athletic fields according to claim 1, characterized in that, The slider (10) forms a sliding structure at the anti-deviation slide rail (9) through the gear (8), and the slider (10) has a "T" shaped structure.

7. A sandpit leveling device for long jump in athletic fields according to claim 1, characterized in that, The leveling roller (6) forms a rolling structure inside the sand pit (1) through the rotating rod (7), and the longitudinal section of the leveling roller (6) is a cross-shaped structure, and the leveling roller (6) has a hollow structure.

8. A sandpit leveling device for long jump in athletic fields according to claim 1, characterized in that, The rolling path of the leveling roller (6) inside the sand pit (1) is cylindrical, and the horizontal tangent at the lower end of the cylindrical structure coincides with the upper surface of the sand in the sand pit (1).

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