Track push-pull type covering electric heating hotbed

Abstract

The utility model discloses a rail push-pull type covering electric heating hotbed which comprises an electric heating hotbed body and a push-pull type covering device. The electric heating hotbed main body comprises an extruded sheet, river sand is paved below the extruded sheet, geothermal wires are uniformly distributed above the extruded sheet, and two ends of the geothermal wires are connected with an automatic temperature controller through power inlets to form a closed circuit; river sand and non-woven fabric are uniformly covered on the terrestrial heat lines, and hole trays for seedling raising are placed on the terrestrial heat lines The push-pull type covering device comprises a groove type seedbed frame, an outer side rail bottom plate, a pulley assembly and an arch bar, and the pulley assembly comprises a rail and a pulley; the arch bars comprise the inner side covering arch bars and the outer side covering arch bars, the center vertical height of the inner side covering arch bars is smaller than that of the outer side covering arch bars, the inner side covering arch bars move on the rails at the top ends of the groove type seedbed frames through the pulleys, and the outer side covering arch bars move on the rails of the outer side rail bottom plates through the pulleys. The device is suitable for plant varieties of various out-of-season heating seedbed seedling raising, the seedling condition is good, the seedling raising efficiency is high, and operation is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of crop seedling raising devices and relates to a seedling raising hotbed, in particular to a track push-pull type covered electric heating hotbed. Background Art

[0002] Seedling cultivation is the foundation and key to vegetable production. The quality of seedlings directly affects the growth and development of vegetables after planting, product yield and quality. Therefore, cultivating high-quality and strong seedlings is the basic guarantee for high yields. Vegetable seedling cultivation in greenhouses in winter and spring faces the risk of low temperature damage. Therefore, heating becomes one of the necessary measures for vegetable seedling cultivation in facilities in winter and spring.

[0003] The electric heating seedbed is to bury a special electric heating wire into the soil. After power is turned on, the current passes through the conductor to generate heat, thereby raising the soil temperature to meet the needs of seedling cultivation. It has the advantages of fast heating, uniformity and stability. However, due to changes in seedling cultivation methods, management methods, and temperature and humidity conditions, the types of fungal diseases in the seedling stage have increased and the degree of harm has become more serious. At the same time, the seedbed is uneven, watering in the seedling stage is unreasonable, and there are continuous rain and snow after watering, poor drainage, and untimely film removal. In addition, multiple layers of coverings are added at night during the seedling stage. After the coverings are removed during the day, water vapor still remains on the coverings, and the water vapor accumulates on the film and is not dispersed. The covering cycle is repeated, and water stains continue to drip on the seedbed, aggravating the diseased plants. As a result, the soil humidity in the seedbed is too high, which can easily cause waterlogging damage in the seedling stage, resulting in poor growth of seedlings, yellowing and short, black roots, and leaves falling from bottom to top. In severe cases, the whole plant dies. High humidity in the seedling bed may cause the seedlings to grow too tall and have roots rot, and the heavy soil in the bed may cause the seedlings to become stiff. In addition, melon vegetables are prone to downy mildew when the temperature in the greenhouse is 15-30℃ and the humidity exceeds 80%; they are prone to gray mold when the humidity is greater than 60% and the temperature is 15-25℃; they are prone to bacterial angular leaf spot when the temperature is 10-30℃ and the humidity is greater than 80%. The higher the humidity, the more serious the disease.

[0004] At the same time, the seedbed is covered with film, which is lifted in the morning and covered in the evening. During the day, watering, removing the caps and other seedling management tasks are required. After the film is lifted during the day, it will pile up on the ground, which is easy to get dirty and difficult to clean, affecting the visibility of the film and its service life.

[0005] Therefore, many existing problems need to be solved. Utility Model Content

[0006] Purpose of the utility model: The purpose of the utility model is to solve the problems of manual film lifting during electric hotbed seedling cultivation, easy dirtiness of the covering material, water stains on the film not being drained away, and idleness and nowhere to put the seedling bed covering frame, and to provide a track push-pull covering electric hotbed, which is suitable for various plant types grown in off-season heated seedling beds.

[0007] Technical solution: The track push-pull type covered electric hotbed of the utility model comprises an electric hotbed body and a push-pull type covering device; the electric hotbed body comprises an extruded plate, the lower part of the extruded plate is paved with river sand, and geothermal wires are evenly arranged on the upper part, and both ends of the geothermal wires are connected to an automatic temperature controller through an electric inlet to form a closed circuit; the geothermal wires are evenly covered with river sand, and non-woven fabrics are laid on the river sand, and seedling plug trays are placed on the non-woven fabrics;

[0008] The push-pull covering device comprises a trough-type seedling bed frame, an outer track bottom plate, a pulley assembly and an arch rod, wherein the trough-type seedling bed frame is surrounded and fixed around the electric hotbed body; the outer track bottom plate is arranged in parallel on the left and right sides of the trough-type seedling bed frame, leaving a gap in the middle; the pulley assembly is composed of a pulley and a track, the track is arranged at the top of the outer track bottom plate and the trough-type seedling bed frame, and the pulley slides in both directions on the track; a buffer hydraulic rod is arranged on the top of the pulley; the arch rod is semicircular and is used to support the covering, and an adaptive buckle is arranged on the arch rod for fixing the covering, and the arch rod comprises an inner covering arch rod and an outer covering arch rod, the central vertical height of the inner covering arch rod is less than the central vertical height of the outer covering arch rod, and the feet of the inner covering arch rod and the outer covering arch rod are welded on the buffer hydraulic rod, and the inner covering arch rod moves on the track at the top of the trough-type seedling bed frame through the pulley, and the outer covering arch rod moves on the track of the outer track bottom plate through the pulley.

[0009] Furthermore, the hotbed also includes a drainage area, which is arranged at one end of the trough-type seedbed frame. A waterproof barrier layer is arranged on the bottom side of the drainage area, and river sand is evenly covered on the waterproof barrier layer.

[0010] Furthermore, the geothermal wires are evenly arranged in an S-shaped circuitous manner with a width of 5 to 10 cm, and the distance between the seedbed frame and the nearest geothermal wire is 5 to 10 cm.

[0011] Furthermore, the extruded board is an insulating aluminum foil extruded board with a thickness of 1.5 to 3 cm.

[0012] Furthermore, the river sand laid under the insulating aluminum foil extruded board is 2 to 5 cm thick, and the river sand covering the geothermal line is 5 to 7 cm thick.

[0013] Furthermore, the arch rod is made of stainless steel pipe.

[0014] Furthermore, the opening of the buckle has two sides that are upturned and is made of PC alloy.

[0015] Furthermore, the trough-type seedling bed frame and the outer track bottom plate are made of wooden boards.

[0016] Furthermore, the trough type seedling bed frame and the outer track wooden bottom plate are fixed in the soil by using fixed wooden boards, one end of the fixed template is nailed into the trough type seedling bed frame and the outer track wooden bottom plate with iron nails, and the other end is inserted into the soil in a V shape.

[0017] Furthermore, the rail adopts an industrial aluminum alloy body, a convex design at the lower end of the rail, and an anti-oxidation process treatment on the surface.

[0018] Beneficial effects: Compared with the prior art, the utility model has the following significant advantages: 1. It solves the problem of off-season greenhouse seedling heating, and is suitable for all plants that require off-season heating or no heating in winter, and is also suitable for plants that only need seedbed + sunshade environment for seedling cultivation in other seasons, or only need greenhouse seedbed for seedling cultivation, etc., and is applicable to a wide range of plants;

[0019] 2. Fix the covering film on the arch frame, and move the film on the arch frame back and forth, which is clean and tidy, convenient for arranging the film, and prolongs the service life of the film. The old film that is used for the second time has less dripping than the new film. Lifting the film can increase the light, so that the seedlings can see the light, reduce the spread of waterlogging bacteria, and solve the problem of large waterlogging and disease during seedling cultivation. The film is suspended in the air, breathable, and evaporates quickly, which can drain water vapor;

[0020] 3. The double arch frame design can be used to combine greenhouse film and sunshade net, or double-layer film combination, to meet the needs of electric hotbed + double-layer film seedling cultivation in winter, the needs of heat preservation + shading after breeding grafted seedlings in winter, and the needs of double-layer or single-layer seedling shading in summer, with a wide range of applications;

[0021] 4. The push-pull design of the two-way hydraulic buffer track allows the nursery bed frame to be opened and closed quickly, which is convenient for manual operation and saves time and cost. The push-pull design of the two-way hydraulic buffer track reduces the collision between the two sides of the shed after closing, prolongs the service life of the nursery bed, and the groove design at the bottom of the track makes it easy to clean if impurities accidentally fall into the track; the top of the pulley is welded on the lower side of the arch rod, which is not easy to tip over;

[0022] 5. The lower end of the arch frame of this utility model is equipped with a pulley, which stands at both ends of the seedbed when not in use, does not take up space, and can solve the problems of shed collapse or random placement when idle;

[0023] 6. Multiple seedbeds can be set up in the greenhouse to improve seedling raising efficiency and reduce the occurrence of seedling diseases. It is suitable for factory-based and intensive seedling raising, and conforms to the development trend of intelligent, precise and labor-saving agriculture. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0025] Figure 2 This is a schematic diagram of the arch frame of the utility model being placed on the upper side of the drainage area.

[0026] Figure 3 This is a wide-angle schematic diagram of the double-deck track at A of the present invention.

[0027] Figure 4 It is a schematic diagram of a pulley at the bottom end of the arch frame of the utility model.

[0028] Figure 5 It is a schematic side view of the utility model. DETAILED DESCRIPTION

[0029] The technical solution of the utility model is further described below in conjunction with the accompanying drawings.

[0030] like Figure 1-2 As shown, the track push-pull type covered electric hotbed of the utility model comprises an electric hotbed body 1 and a push-pull type covering device. In this embodiment, the electric hotbed body 1 is first made: a 3 cm thick layer of river sand is first laid on the flat ground in the greenhouse, and a 1.5-3 cm thick extruded board is laid on the river sand according to the size of the seedbed. In this example, a 2 cm thick insulating aluminum foil extruded board is used; a 15.3 m long, 1.45 m wide, and 9 cm high trough seedbed frame 2 is made of a wooden board on the insulating aluminum foil extruded board, and the wooden board is 2.8 cm thick. The trough seedbed frame 2 is spaced a distance apart, and a 10 cm wide and 20 cm long fixed wooden board is nailed into the trough seedbed frame at one end with an iron nail, and the other end is inserted into the soil in a "V" shape to prevent the trough seedbed frame 2 from moving or lodging.

[0031] On the extruded board under the trough-type seedbed frame 2, geothermal wires are evenly laid in an S-shape with a width of 10 cm. The interval between the geothermal wires is 10 cm. The distance between the trough-type seedbed frame 2 and the nearest geothermal wire is 10 cm, and they are fixed with plastic cable clips. The geothermal wire is 100 m long, 220 V in voltage, and 1 kW in power. Both ends of the geothermal wire are connected to the automatic temperature controller in the intelligent temperature control box mounted on the wall of the greenhouse through the power inlet 9 to form a closed circuit. One automatic temperature controller can be set for each seedbed, with a temperature range of 0 to 50°C, to achieve independent and precise temperature control for different crops.

[0032] The geothermal line is evenly covered with river sand with a thickness of 6 cm; non-woven fabric is evenly laid on the river sand; seedling cultivation plug trays are placed on the non-woven fabric, which can be watered and are non-conductive. The specifications of this embodiment are that 5 seedling cultivation plug trays of different specifications such as 50 holes, 72 holes, 98 holes, 128 holes, and 200 holes can be placed in a row in the main body 1 of the electric hotbed. The length, width, and height of each plug tray are 54cm*28cm*3.8~7cm, and 28 rows can be placed, totaling 140 plug trays, about 7,000~28,000 seedlings. It can improve the efficiency of seedling cultivation and is suitable for factory-based and intensive seedling cultivation.

[0033] Secondly, make the push-pull type covering device part: including the trough type seedling bed frame 2, the outer track bottom plate 4, the pulley assembly and the arch rod. The trough type seedling bed frame 2 is surrounded by the electric hotbed body 1 as described above and fixed with a fixed wooden board. The outer track bottom plates 4 are arranged in parallel on the left and right sides of the trough type seedling bed frame 2. In this embodiment, the outer track bottom plate 4 is 2.8 cm thick and 9 cm high. It is parallel to the long body of the rectangular trough type seedling bed frame 2, leaving a gap of about 5 cm in the middle. It is made of wooden board, and like the trough type seedling bed frame 2, it is fixed in the soil with a fixed wooden board to prevent tipping.

[0034] like Figure 1 , 3 As shown in Figure 4, in this embodiment, the pulley assembly is composed of a pulley 7 and a track 8, which can be pushed and pulled in both directions. The track 8 is arranged at the top of the outer track bottom plate 4 and the trough-type seedling bed frame 2. In this embodiment, the track 8 has a thickness of 0.3 cm, a height of 2.5 cm, a width of 2.8 cm, and a gap width of 1 cm at the upper and lower ends. The main body is made of industrial aluminum alloy, and the surface is treated with an anti-oxidation process, so it will not rust or fade. Multi-layer electroplating and bidirectional buffer guide wheels are used, and the weight bearing capacity is 60 to 120 kg. The entire track 8 is nailed to the top of the trough-type seedling bed frame 2 and the outer track bottom plate 4. The lower end of the track 8 is designed with a convex opening, so that dust, impurities, etc. fall to the bottom and can be cleaned in time without affecting the rolling of the pulley 7.

[0035] The pulley 7 includes a bearing 11 and a wheel 12. In this embodiment, the height of the wheel 12 is 2.3 cm, and the length of the eight wheels 12 and the bearing 11 after installation is 11.5 cm and 2.5 cm wide. A buffer hydraulic rod 14 is provided on the top of the pulley 7, and the buffer hydraulic rod 14 and the pulley 7 are assembled by connecting the screw and nut combination 13. In a specific embodiment, the length of the buffer hydraulic rod 14 is 13.5 cm, the width is 2.8 cm, the gap with the lower end pulley 7 is 0.5 to 1.5 cm, and the center thread diameter is 0.8 cm. The pulley assembly adopts a two-way hydraulic buffer silent hanging wheel, zinc alloy + nylon material, and the two-way damping design has the effect of anti-collision and anti-pinch finger.

[0036] like Figure 1 , 2As shown in , 5, in this embodiment, the arch rod is semicircular and used to support the covering. The arch rod is provided with an adapted buckle 6 for fixing the covering. The arch rod includes an inner covering arch rod 3 and an outer covering arch rod 5. The central vertical height of the inner covering arch rod 3 is less than the central vertical height of the outer covering arch rod 5. The feet of the inner covering arch rod 3 and the outer covering arch rod 5 are welded at the upper center position of the buffer hydraulic rod 14. In a specific embodiment, the inner covering arch rod 3 adopts a 4-branch pipe with a thickness of 2.1 cm and a central vertical height of 75 cm; the outer covering arch rod 5 adopts a 4-branch pipe with a thickness of 2.1 cm and a central vertical height of 85 cm. The specification of the buckle 6 is 8 cm long, 2 cm inner diameter, convex PC alloy material, and the opening is upturned on both sides. When pressing the film, it is directly buckled on the arch rod, which does not damage the film and is convenient for disassembly.

[0037] The track push-pull type covered electric hotbed of the utility model is also provided with a drainage area 10, which is arranged at one end of the trough type seedling bed frame 2, and in this embodiment is arranged at the other end of the power inlet 9, which is a concave design, and a waterproof interlayer is arranged on the bottom side, and the waterproof interlayer is evenly covered with about 2 cm thick river sand. It is convenient for the film accumulated after the arch rod is pushed and pulled to drain and dry here. The water droplets on the film fall on the sand in the drainage area 10, and the drying speed is fast. In a specific embodiment, the trough type seedling bed frame 2 equipped with the track 8 and the outer track bottom plate 4 are extended by about 50 cm to the drainage area 10, so that the arch rod is conveniently pushed here to drain the water, and prevent the water stains (which may be bacteria-carrying) retained by the film from dripping onto the seedling bed for the second time, so as to solve the problems of large water stains and diseases during seedling cultivation.

Claims

1. A track push-pull type covered electric hotbed, characterized in that: It includes an electric hotbed body and a push-pull covering device; the electric hotbed body includes an extruded plate, the bottom of the extruded plate is paved with river sand, and geothermal wires are evenly arranged on the top, and both ends of the geothermal wires are connected to an automatic temperature controller through an electric inlet to form a closed circuit; the geothermal wires are evenly covered with river sand, and non-woven fabrics are laid on the river sand, and seedling trays are placed on the non-woven fabrics; The push-pull covering device comprises a trough-type seedling bed frame, an outer track bottom plate, a pulley assembly and an arch rod, wherein the trough-type seedling bed frame is surrounded and fixed around the electric hotbed body; the outer track bottom plate is arranged in parallel on the left and right sides of the trough-type seedling bed frame, leaving a gap in the middle; the pulley assembly is composed of a pulley and a track, the track is arranged at the top of the outer track bottom plate and the trough-type seedling bed frame, and the pulley slides in both directions on the track; a buffer hydraulic rod is arranged on the top of the pulley; the arch rod is semicircular and is used to support the covering, and an adaptive buckle is arranged on the arch rod for fixing the covering, and the arch rod comprises an inner covering arch rod and an outer covering arch rod, the central vertical height of the inner covering arch rod is less than the central vertical height of the outer covering arch rod, and the feet of the inner covering arch rod and the outer covering arch rod are welded on the buffer hydraulic rod, and the inner covering arch rod moves on the track at the top of the trough-type seedling bed frame through the pulley, and the outer covering arch rod moves on the track of the outer track bottom plate through the pulley.

2. The track push-pull type covered electric hotbed according to claim 1 is characterized in that: The hotbed also includes a drainage area, which is arranged at one end of the trough-type seedbed frame. A waterproof barrier layer is arranged at the bottom side of the drainage area, and river sand is evenly covered on the waterproof barrier layer.

3. The track push-pull type covered electric hotbed according to claim 1 is characterized in that: The geothermal wires are evenly arranged in an S-shaped circuitous manner with a width of 5 to 10 cm, and the distance between the seedbed frame and the nearest geothermal wire is 5 to 10 cm.

4. The track push-pull type covered electric hotbed according to claim 1 is characterized in that: The extruded board is an insulating aluminum foil extruded board with a thickness of 1.5 to 3 cm.

5. The track push-pull type covered electric hotbed according to claim 4 is characterized in that: The river sand laid under the insulating aluminum foil extruded board is 2 to 5 cm thick, and the river sand covering the geothermal line is 5 to 7 cm thick.

6. The track push-pull type covered electric hotbed according to claim 1, characterized in that: The arch rod is made of stainless steel pipe.

7. The track push-pull type covered electric hotbed according to claim 1 is characterized in that: The opening of the buckle is upturned on both sides and is made of PC alloy.

8. The track push-pull type covered electric hotbed according to claim 1, characterized in that: The trough-type seedling bed frame and the outer track bottom plate are made of wooden boards.

9. The track push-pull type covered electric hotbed according to claim 1, characterized in that: The trough type seedling bed frame and the outer track wooden bottom plate are fixed in the soil by using fixed wooden boards, one end of the fixed template is nailed into the trough type seedling bed frame and the outer track wooden bottom plate with iron nails, and the other end is inserted into the soil in a V shape.

10. The track push-pull type covered electric hotbed according to claim 1, characterized in that: The rail is made of industrial aluminum alloy, the lower end of the rail is designed with a convex opening, and the surface is treated with an anti-oxidation process.

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