Seedling cultivating and planting device for landscaping

Abstract

The invention relates to the technical field of landscaping, in particular to a seedling cultivating and planting device for landscaping, which comprises a breeding box with a planting groove and water filtering holes at the bottom and an anti-falling mechanism and a soil turning mechanism arranged on one side of the top. The anti-falling mechanism is composed of a supporting plate, a driving clamping block and a driven clamping block, and the clamping function is achieved through a first driving assembly. The soil turning mechanism comprises a rotating disc, a main soil turning rod and an auxiliary soil turning rod and is driven by a second driving assembly. According to the device, through the integrated design of the efficient anti-falling support and the intelligent soil turning mechanism, the problem of falling of seedlings in the growth process is effectively prevented, soil hardening can be avoided, the manual maintenance difficulty and workload are reduced, and a powerful guarantee is provided for healthy growth of the seedlings.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of landscaping, in particular to a seedling cultivation and planting device for landscaping. BACKGROUND

[0002] Landscaping is an important measure to improve the urban ecological environment and enhance the quality of life of residents. In landscaping projects, plants such as trees often need to be cultivated in advance. After the seedlings grow to a certain size and have certain resistance, the seedlings are transplanted. This cultivation process is the basis for ensuring the effectiveness of landscaping, therefore, the planting device specially used for seedling cultivation plays a key role in ensuring the healthy growth of seedlings.

[0003] In the existing technology, in the cultivation practice of landscaping seedlings, breeding boxes or breeding boxes are relatively common devices. The operator cultivates seedlings in them and manages daily fertilization and watering. During this period, in order to maintain the good physical structure of the soil, prevent the surface soil from being hardened due to watering, and maintain the air permeability and water permeability around the root system, it is also necessary to moderately turn over the shallow soil as a basic maintenance measure.

[0004] The existing breeding box or breeding box cannot support the cultivated seedlings when in use, so that the seedlings have the risk of lodging. At the same time, since the general breeding box or breeding box has a large area, when turning over the soil, the operator needs to turn over the soil at multiple positions step by step, which is not easy to control the turning over force and depth, and is easy to damage the seedling roots. Also, due to the large number of turning over positions, the operator is easy to forget, and then it is easy to cause part of the soil to be hardened, thereby affecting the survival rate of the seedlings. Therefore, the present application provides a seedling cultivation and planting device for landscaping to solve the above problems. SUMMARY

[0005] The purpose of the present application is to provide a seedling cultivation and planting device for landscaping to solve the problems raised in the background art.

[0006] To achieve the above purpose, the present application provides the following technical scheme: a seedling cultivation and planting device for landscaping, comprising: a breeding box, a plurality of planting grooves and water filtering holes are formed in the bottom of the breeding box, a anti-falling mechanism is arranged on one side of the top of the planting groove, and a soil turning mechanism is arranged on one side of the anti-falling mechanism;

[0007] The anti-falling mechanism comprises a lower support plate, a driving clamping block is rotatably installed on one side of the upper surface of the lower support plate, the driving clamping block is engaged with a driven clamping block on one side, the driven clamping block is rotatably installed on the lower support plate, and a first driving assembly for driving the driving clamping block and the driven clamping block to engage and clamp is connected to the other side of the upper surface of the lower support plate;

[0008] The soil turning mechanism comprises a reciprocating rotating disc, a main soil turning rod fixedly connected to the center of the lower surface of the rotating disc, and auxiliary soil turning rods arranged around the main soil turning rod, the top of the auxiliary soil turning rod being fixedly connected to the lower surface of the rotating disc, and a second driving assembly connected to the upper surface of the rotating disc for driving the rotating disc to reciprocate.

[0009] Preferably, the lower support plate is fixedly connected to the inner wall of the breeding box at both ends, the driving clamping block and the driven clamping block are rotatably connected to the lower support plate through the fixed shaft, and the driving clamping block and the driven clamping block are in meshing transmission through the tooth groove.

[0010] Preferably, the driving clamping block is provided with an arc-shaped groove at one end away from the planting groove, and the first driving assembly comprises a driving rod rotatably sleeved at both ends in the breeding box and provided with external threads on the driving rod.

[0011] Preferably, a plurality of moving blocks are threadedly sleeved on the driving rod, the upper surface of the moving block is fixedly connected to the bottom end of the sliding rod, and the top end of the sliding rod is slidably connected to the arc-shaped groove.

[0012] Preferably, the lower surface of the moving block is fixedly connected to the upper side of the sliding block, the lower side of the sliding block is slidably connected to the sliding rail, and the sliding rail is fixedly installed on the upper surface of the lower support plate.

[0013] Preferably, the second driving assembly comprises a plurality of upper support plates, the two upper support plates are fixedly connected through the connecting plates between the end portions, the connecting plates are slidably installed in the large guide holes provided in the side walls of the breeding box, and small guide holes are provided on both sides of the large guide holes.

[0014] Preferably, one of the connecting plates is threadedly sleeved with an adjusting rod, the other connecting plate is slidably sleeved on a guide rod, the adjusting rod is rotatably sleeved in a connecting seat fixedly installed on the outer side wall of the breeding box, and the guide rod is fixedly sleeved in a connecting seat fixedly installed on the outer side wall of the breeding box.

[0015] Preferably, the upper surface of the upper support plate is fixedly connected with a limiting rail, the limiting rail is slidably connected with a limiting groove provided at the bottom of the rack, the rack is slidably connected with the small guide hole, one end of the rack is fixedly connected with a second hand wheel, and the rack is meshed with a gear on one side.

[0016] Preferably, the gear is fixedly connected with the top end of the connecting shaft, the bottom end of the connecting shaft penetrates the upper support plate and the connecting frame in sequence and is fixedly connected with the top end of the driving block, the connecting shaft is rotatably sleeved between the upper support plate and the connecting frame, and the connecting frame is fixedly connected to the lower surface of the upper support plate.

[0017] Preferably, a sliding ball is fixedly connected to the bottom of the drive block, and the sliding ball is slidably connected to the upper arc groove on the top of the swing frame. The middle part of the swing frame is rotatably sleeved on the middle part of the connecting frame. A limiting shaft is rotatably sleeved at the bottom of the connecting frame. The top of the limiting shaft is fixedly connected to the bottom of the driven block. The top of the driven block is slidably connected to the lower arc groove on the bottom of the swing frame through the fixedly installed sliding ball. The bottom of the limiting shaft is fixedly connected to the turntable.

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

[0019] 1. By setting up an anti-tipping mechanism consisting of an active clamping block, a driven clamping block, and a drive component, multiple seedlings can be flexibly clamped and supported simultaneously, effectively preventing the seedlings from falling over during growth. The clamping force and range can be flexibly adjusted according to the thickness of the seedling stems, making operation simple and labor-saving, and greatly improving the reliability of the seedling cultivation process.

[0020] 2. By setting up a soil-turning mechanism consisting of a turntable, soil-turning rods and drive components, the topsoil can be loosened evenly and gently without damaging the seedling roots. This effectively avoids soil compaction caused by watering, improves soil aeration and water permeability, reduces the tedious manual soil turning operation, lowers labor intensity, and is conducive to the healthy growth of seedlings. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a top view of the overall structure of the present invention;

[0023] Figure 3 This is a side view of the internal structure of the present invention;

[0024] Figure 4 This is a bottom view of the internal structure of the present invention;

[0025] Figure 5 For the present invention Figure 2 Enlarged schematic diagram of the structure at point A in the middle;

[0026] Figure 6 For the present invention Figure 2 Enlarged schematic diagram of the structure at point B;

[0027] Figure 7 For the present invention Figure 3 Enlarged schematic diagram of the structure at point C.

[0028] In the figure: 1, breeding box; 2, planting groove; 3, water filtering hole; 4, lower support plate; 5, driving clamping block; 6, driven clamping block; 7, rotating disc; 8, main turning rod; 9, auxiliary turning rod; 10, fixed shaft; 11, gear slot; 12, arc-shaped groove; 13, driving rod; 14, moving block; 15, sliding rod; 16, sliding block; 17, sliding rail; 18, first hand wheel; 19, upper support plate; 20, connecting plate; 21, large guide hole; 22, adjusting rod; 23, guide rod; 24, small guide hole; 25, limiting rail; 26, rack; 27, second hand wheel; 28, gear; 29, connecting shaft; 30, connecting frame; 31, driving block; 32, swinging frame; 33, upper arc surface groove; 34, limiting shaft; 35, driven block; 36, lower arc surface groove; 37, sliding ball; 38, water collecting tank; 39, pipe. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme of the present application clear, complete and the advantages more clear and obvious, the embodiments of the present application are further described in detail below with reference to the drawings. It should be understood that the specific embodiments described here are part of the embodiments of the present application, not all the embodiments, only to explain the embodiments of the present application, and not used to limit the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0030] Please refer to Figures 1 to 7The present application provides a technical scheme: a seedling cultivation and planting device for landscaping, comprising: a breeding box 1, the breeding box 1 as the basis of the whole device, embedding soil in the breeding box 1, a plurality of planting grooves 2 and water filtering holes 3 are formed in the bottom of the breeding box 1, the planting grooves 2 are formed to facilitate the planting of seedlings in the preset position, and the water filtering holes 3 are formed to avoid the accumulation of water at the bottom of the breeding box 1, on the one hand, the water is discharged to ensure sufficient oxygen at the bottom and prevent root rot, on the other hand, it can also effectively prevent the occurrence of diseases, a seedling supporting mechanism is arranged on one side of the top of the planting groove 2, the seedling supporting mechanism supports the seedlings to prevent lodging, a soil turning mechanism is arranged on one side of the seedling supporting mechanism, the soil turning mechanism turns the shallow soil to prevent soil compaction, the seedling supporting mechanism comprises a lower supporting plate 4, a driving clamping block 5 is rotatably installed on one side of the upper surface of the lower supporting plate 4, the driving clamping block 5 is engaged with a driven clamping block 6 on one side, the driven clamping block 6 is rotatably installed on the lower supporting plate 4, a first driving assembly for driving the driving clamping block 5 and the driven clamping block 6 to engage and clamp is connected to the other side of the upper surface of the lower supporting plate 4, the driving clamping block 5 and the driven clamping block 6 are engaged in opposite directions or away from each other to facilitate the support of seedling roots of different thicknesses and prevent lodging, the soil turning mechanism comprises a reciprocating rotating turntable 7, a plurality of turntables 7 are arranged and are offset from the planting grooves 2, a main soil turning rod 8 is fixedly connected to the center of the lower surface of the turntable 7, auxiliary soil turning rods 9 are arranged around the main soil turning rod 8, the top of the auxiliary soil turning rod 9 is fixedly connected to the lower surface of the turntable 7, a second driving assembly for driving the turntable 7 to reciprocate is connected to the upper surface of the turntable 7, the main soil turning rod 8 and the auxiliary soil turning rod 9 cooperate to break the surface compaction layer of the soil formed by watering, improve the soil permeability and water permeability, and promote the healthy growth of seedling roots.

[0031] In use, the breeding box 1 is filled with cultivation soil, the seedlings are planted in the preset position through the planting grooves 2 to avoid accumulation during planting and cause malnutrition, after the seedlings are planted, the first driving assembly is driven to rotate the plurality of driving clamping blocks 5 on the lower supporting plate 4 synchronously, the positions of the driving clamping block 5 and the driven clamping block 6 correspond to the planting grooves 2, the driving clamping block 5 is engaged with the driven clamping block 6 to rotate towards each other between the driving clamping block 5 and the driven clamping block 6, the distance between the two clamping blocks is reduced until the seedlings are fixed to support the seedlings and prevent lodging, in the subsequent cultivation process, in order to avoid soil compaction, the shallow soil needs to be turned over, the second driving assembly is driven to move the plurality of turntables 7 downward and rotate the turntables 7, the turntables 7 drive the main soil turning rod 8 and the auxiliary soil turning rod 9 to rotate synchronously to loosen the shallow soil, improve the soil permeability and water permeability, promote the healthy growth of seedling roots, and reduce the trouble of manually turning over each place, greatly reducing the labor intensity.

[0032] The lower support plate 4 is fixedly connected with the inner wall of the breeding box 1 at both ends, the driving clamping block 5 and the driven clamping block 6 are rotatably connected with the lower support plate 4 through the fixed shaft 10, the fixed shaft 10 limits the driving clamping block 5 and the driven clamping block 6, the driving clamping block 5 and the driven clamping block 6 are meshed and transmitted through the tooth groove 11, an arc-shaped groove 12 is formed at one end of the driving clamping block 5 away from the planting groove 2, the first driving assembly comprises a driving rod 13, the driving rod 13 is rotatably sleeved in the breeding box 1 at both ends, an external thread is formed on the driving rod 13, a plurality of moving blocks 14 are threadedly connected to the driving rod 13, so that the plurality of moving blocks 14 can be driven to move synchronously by twisting the driving rod 13, the upper surface of the moving block 14 is fixedly connected with the bottom end of the sliding rod 15, and the top end of the sliding rod 15 is slidably connected with the arc-shaped groove 12; a first hand wheel 18 is fixedly sleeved on one end surface of the driving rod 13, so that the driving rod 13 can be rotated by twisting the first hand wheel 18; the lower surface of the moving block 14 is fixedly connected with the upper side of the sliding block 16, the lower side of the sliding block 16 is slidably connected with the sliding rail 17, and the sliding rail 17 is fixedly installed on the upper surface of the lower support plate 4; the sliding block 16 and the sliding rail 17 are slidably matched, so that the moving stability of the moving block 14 on the lower support plate 4 is improved.

[0033] When the seedlings are planted and need to be clamped and supported, the first hand wheel 18 is twisted to drive the driving rod 13 to rotate under the limitation of the breeding box 1, the plurality of moving blocks 14 are threadedly connected to the driving rod 13, so that the plurality of moving blocks 14 can be driven to move, the moving block 14 moves along the axis direction of the driving rod 13 under the sliding cooperation of the sliding block 16 and the sliding rail 17, and then the moving block 14 drives the sliding rod 15 to move synchronously, the sliding rod 15 slides in the arc-shaped groove 12 formed at one end of the driving clamping block 5, so as to drive the driving clamping block 5 to rotate under the limitation of the fixed shaft 10, the tooth groove 11 formed on the driving clamping block 5 is meshed with the tooth groove 11 formed on the driven clamping block 6, so that the driven clamping block 6 moves towards the driving clamping block 5 under the limitation of the fixed shaft 10, the distance between the plurality of clamping blocks is reduced, and the seedlings are fixed, so that the seedlings are supported and the risk of lodging is avoided, the plurality of seedlings can be prevented from lodging at one time by rotating the driving rod 13, the operation is convenient, the efficiency of the anti-lodging operation is improved, and in addition, the seedlings with different root and stem sizes can be supported by controlling the moving distance of the moving block 14, and the flexibility of the whole device is improved.

[0034] The second driving assembly comprises a set of upper support plates 19, the upper support plates 19 are slidably connected with the convex strips fixedly connected with the inner wall of the breeding box 1 through the grooves, so that the moving stability of the upper support plates 19 is improved, the end portions of the two upper support plates 19 are fixedly connected with the connecting plates 20, the connecting plates 20 are slidably installed in the large guide holes 21 formed in the side walls of the breeding box 1, the large guide holes 21 limit the connecting plates 20, and the stability of the connecting plates 20 in the moving process is further improved, small guide holes 24 are formed at the two sides of the large guide holes 21, one of the connecting plates 20 is sleeved with the adjusting rod 22 in a threaded mode, the other connecting plate 20 is slidably sleeved on the guide rod 23, the adjusting rod 22 is rotatably sleeved in the connecting seat fixedly installed on the outer side wall of the breeding box 1, and the guide rod 23 is fixedly sleeved in the connecting seat fixedly installed on the outer side wall of the breeding box 1. The connecting seat limits and supports the guide rod 23 and the adjusting rod 22.

[0035] The upper surface of the upper support plate 19 is fixedly connected with the limiting rail 25, the limiting rail 25 is slidably connected with the limiting groove formed in the bottom of the rack 26, so that the sliding stability of the rack 26 on the upper support plate 19 is improved, the rack 26 is slidably connected with the small guide hole 24, the small guide hole 24 limits and guides the rack 26, the stability of the rack 26 in the moving process is further improved, the rack 26 is prevented from deviating, the one end of the rack 26 is fixedly connected with the second hand wheel 27, the one side of the rack 26 is engaged with the gear 28, the rack 26 is in transmission with the gear 28, the gear 28 is fixedly connected with the top end of the connecting shaft 29, the bottom end of the connecting shaft 29 penetrates the upper support plate 19 and the connecting frame 30 in sequence and is fixedly connected with the top end of the driving block 31, the connecting shaft 29 is rotatably sleeved between the upper support plate 19 and the connecting frame 30, and the upper support plate 19 and the connecting frame 30 limit the connecting shaft 29, so that the rotating stability of the connecting shaft 29 is improved. The connecting frame 30 is fixedly connected to the lower surface of the upper support plate 19, and the connecting frame 30 is fixedly supported by the upper support plate 19.

[0036] The bottom end of the driving block 31 is fixedly connected with the sliding ball 37, the sliding ball 37 is slidably connected with the upper arc groove 33 formed in the top of the swing frame 32, the upper arc groove 33 limits the sliding ball 37 of the driving block 31, the middle portion of the swing frame 32 is rotatably sleeved in the middle portion of the connecting frame 30, the connecting frame 30 limits and supports the swing frame 32, the bottom end of the connecting frame 30 is rotatably sleeved with the limiting shaft 34, the top end of the limiting shaft 34 is fixedly connected with the bottom end of the driven block 35, the limiting shaft 34 limits the driven block 35, the top end of the driven block 35 is slidably connected with the lower arc groove 36 formed in the bottom of the swing frame 32 through the fixedly installed sliding ball 37, and the bottom end of the limiting shaft 34 is fixedly connected with the rotating disc 7.

[0037] When the late need for breeding box 1 in the shallow soil turning operation, first by twisting the adjusting rod 22, through the adjusting rod 22 and one of the connecting plate 20 threaded sleeve joint, thereby driving one of the connecting plate 20 movement, thereby making in the upper support plate 19 under the connection, drive another connecting plate 20 movement, another connecting plate 20 guide rod 23 under the guidance of the slide, while the two connecting plate 20 in the large guide hole 21 under the limit of the slide, in turn, drive the upper support plate 19 in the breeding box 1 inside down, then under the connection of connecting frame 30, indirectly drive the disc 7 down, the disc 7 synchronous drive main plough 8 and auxiliary plough 9 movement, make the main plough 8 and auxiliary plough 9 slowly with the soil surface abutment and slowly down, at the same time, by pulling the second hand wheel 27 back and forth, make the second hand wheel 27 drive the rack 26 in the limit rail 25 and small guide hole 24 under the limit of the slide, in turn, through the rack 26 and gear 28 meshing transmission, make the gear 28 through the connecting shaft 29 drive the driving block 31 circular rotation, driving block 31 circular motion will be through the sliding bead 37 on the top of the swing frame 32 fixed installation in the upper arc groove 33 slide, in this way, the swing frame 32 in the connecting frame 30 under the limit of the reciprocating swing, then make the swing frame 32 bottom of the lower arc groove 36 through the sliding connection with the sliding bead 37, drive the driven block 35 reciprocating swing, in turn, under the connection of the limit shaft 34 drive the disc 7 synchronous reciprocating rotation, make the disc 7 then drive the main plough 8 and auxiliary plough 9 synchronous rotation, in turn, loosen the shallow soil, improve the soil permeability and water permeability, promote the seedling root system healthy growth, reduce the artificial operation need to turn the soil in each place the trouble, greatly reduce the labor intensity.

[0038] The bottom of the breeding box 1 is fixedly installed with a water collecting tank 38, and the water collecting tank 38 is fixedly installed with a suction pipe 39. The water collecting tank 38 collects the infiltrated water, and the suction pipe 39 sucks out the water, so that the water can be reused subsequently.

[0039] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A seedling cultivation and planting device for landscaping, comprising a breeding box (1), characterized in that: The bottom of the breeding box (1) is provided with several planting troughs (2) and water filter holes (3). An anti-tipping mechanism is provided on one side of the top of the planting trough (2), and a soil turning mechanism is provided on one side of the anti-tipping mechanism. The anti-tipping mechanism includes a lower support plate (4), an active clamping block (5) is rotatably mounted on one side of the upper surface of the lower support plate (4), one side of the active clamping block (5) meshes with the driven clamping block (6) for transmission, the driven clamping block (6) is rotatably mounted on the lower support plate (4), and a first drive assembly for driving the active clamping block (5) and the driven clamping block (6) to mesh and clamp on the other side of the upper surface of the lower support plate (4); The soil turning mechanism includes a reciprocating turntable (7), a main soil turning rod (8) is fixedly connected to the center of the lower surface of the turntable (7), and auxiliary soil turning rods (9) are provided around the main soil turning rod (8). The top of the auxiliary soil turning rods (9) is fixedly connected to the lower surface of the turntable (7), and a second drive component for driving the turntable (7) to reciprocate is connected to the upper surface of the turntable (7).

2. The seedling cultivation and planting device for landscaping as described in claim 1, characterized in that: Both ends of the lower support plate (4) are fixedly connected to the inner wall of the breeding box (1). The active clamping block (5) and the driven clamping block (6) are rotatably connected to the lower support plate (4) through the fixed shaft (10). The active clamping block (5) and the driven clamping block (6) are meshed and driven by the toothed groove (11).

3. The seedling cultivation and planting device for landscaping as described in claim 1, characterized in that: The active clamping block (5) has an arc-shaped groove (12) at one end away from the planting trough (2). The first driving component includes a driving rod (13), which is rotatably sleeved in the breeding box (1) at both ends. The driving rod (13) has an external thread.

4. The seedling cultivation and planting device for landscaping as described in claim 3, characterized in that: The drive rod (13) is threaded with several moving blocks (14), the upper surface of the moving blocks (14) is fixedly connected to the bottom end of the slide rod (15), the top end of the slide rod (15) is slidably connected to the arc-shaped groove (12), and a first handwheel (18) is fixedly sleeved on one end face of the drive rod (13).

5. The seedling cultivation and planting device for landscaping as described in claim 4, characterized in that: The lower surface of the movable block (14) is fixedly connected to the upper side of the slider (16), the lower side of the slider (16) is slidably connected to the slide rail (17), and the slide rail (17) is fixedly installed on the upper surface of the lower support plate (4).

6. The seedling cultivation and planting device for landscaping as described in claim 1, characterized in that: The second drive assembly includes a set of upper support plates (19), and the ends of the two upper support plates (19) are fixedly connected by a connecting plate (20). The connecting plate (20) is slidably installed in the large guide hole (21) opened on the side wall of the breeding box (1), and small guide holes (24) are opened on both sides of the large guide hole (21).

7. A seedling cultivation and planting device for landscaping according to claim 6, characterized in that: One of the connecting plates (20) is threaded with an adjusting rod (22), and the other connecting plate (20) is slidably sleeved on a guide rod (23). The adjusting rod (22) is rotatably sleeved in a connecting seat fixedly installed on the outer wall of the breeding box (1), and the guide rod (23) is fixedly sleeved in a connecting seat fixedly installed on the outer wall of the breeding box (1).

8. A seedling cultivation and planting device for landscaping according to claim 7, characterized in that: The upper surface of the upper support plate (19) is fixedly connected to a limiting rail (25). The limiting rail (25) is slidably connected to the limiting groove opened at the bottom of the rack (26). The rack (26) is slidably connected to the small guide hole (24). A second handwheel (27) is fixedly connected to one end of the rack (26). A gear (28) meshes on one side of the rack (26).

9. A seedling cultivation and planting device for landscaping according to claim 8, characterized in that: The gear (28) is fixedly connected to the top end of the connecting shaft (29). The bottom end of the connecting shaft (29) passes through the upper support plate (19) and the connecting frame (30) in sequence and is fixedly connected to the top end of the drive block (31). The connecting shaft (29) is rotatably sleeved between the upper support plate (19) and the connecting frame (30). The connecting frame (30) is fixedly connected to the lower surface of the upper support plate (19).

10. A seedling cultivation and planting device for landscaping according to claim 9, characterized in that: The bottom end of the drive block (31) is fixedly connected to a sliding ball (37), which is slidably connected to the upper arc groove (33) on the top of the swing frame (32). The middle part of the swing frame (32) is rotatably sleeved on the middle part of the connecting frame (30). The bottom of the connecting frame (30) is rotatably sleeved with a limiting shaft (34). The top end of the limiting shaft (34) is fixedly connected to the bottom end of the driven block (35). The top end of the driven block (35) is slidably connected to the lower arc groove (36) on the bottom of the swing frame (32) through the fixedly installed sliding ball (37). The bottom end of the limiting shaft (34) is fixedly connected to the turntable (7).

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