CN212993417U - Adjustable distance type seedling raising bedstead - Google Patents

Abstract

The utility model provides a but variable distance formula nursery bed frame, include: the seedbed frame assembly comprises a plurality of seedbed stand columns; the seedling bed comprises a seedling bed upright post, a lamp bracket assembly and a seedling bed support, wherein the seedling bed upright post is arranged on the seedling bed upright post; the first limiting parts are sequentially arranged on the seedbed stand column along the length direction of the seedbed stand column; the second limiting part is arranged on the lamp bracket component corresponding to the first limiting part; the limiting part, the limiting part and the second limiting part can be matched with any one of the first limiting parts to limit the relative movement of the lamp holder upright post and the seedbed upright post. According to the utility model provides a but adjustable distance formula nursery bed frame can adjust lighting fixture subassembly and seedbed frame subassembly's relative position to change the distance between seedling and the plant lamp, with adjustment illumination intensity, and simple structure, convenient operation, reduction in production cost.

Description

Adjustable distance type seedling raising bedstead

Technical Field

The utility model belongs to the technical field of agricultural equipment, in particular to adjustable apart from formula nursery bed frame.

Background

For areas with insufficient illumination or areas with cold climate, the seedling raising by using the full artificial light LED lamp in the fully-closed factory building becomes a development trend of agricultural production, different plants need different illumination intensity, and the illumination intensity of the LED lamp needs to be adjusted when different plants are planted; in addition, there are some prior arts that adjust the illumination intensity by changing the distance between the LED lamp and the plant, such as: in the document with the bulletin number of CN204466523U, adjust the distance between LED lamp and the plant through set up the lifting screw between crane and illumination banks, on the one hand, the lifting screw has taken the space of more direction of height, is unfavorable for setting up multilayer seedling bed frame, on the other hand needs the more time of spending when adjusting illumination banks and crane, increases the cost of labor.

SUMMERY OF THE UTILITY MODEL

The present invention aims at least solving one of the technical problems existing in the prior art or the related art.

In view of this, the utility model aims at providing an adjustable apart from formula nursery bed frame.

In order to realize the above purpose, the technical scheme of the utility model a but adjustable distance formula nursery bed frame is provided, include: the seedling bed frame assembly comprises a plurality of seedling bed stand columns which are vertically arranged, and a plurality of seedling bed frames which are horizontally arranged, are sequentially arranged along the vertical direction, are connected with the seedling bed stand columns and are used for placing seedlings to be irradiated; the lamp holder assembly comprises a plurality of lamp holder vertical columns vertically arranged adjacent to the seedbed vertical columns and a plurality of lamp holders which are horizontally arranged above each seedbed frame correspondingly, connected with the lamp holder vertical columns and provided with plant irradiation lamps; the seedling bed comprises a seedling bed stand column, a lamp holder stand column, a limiting piece, a plurality of first limiting parts and a plurality of second limiting parts, wherein the lamp holder stand column is slidably arranged adjacent to the seedling bed stand column, the relative position of the lamp holder component and the seedling bed stand column is fixed through the limiting piece, the side surface of the seedling bed stand column is provided with the plurality of first limiting parts along the vertical direction of the seedling bed stand column, each first limiting part corresponds to the irradiation intensity of one type of seedling, and the lamp holder component is provided with; the limiting part and the second limiting part are matched with any one first limiting part to limit the relative movement of the lamp holder upright post and the seedbed upright post.

According to the utility model provides a but variable-pitch formula nursery bed frame, include seedbed stand and lighting fixture stand respectively through seedbed frame subassembly and lighting fixture subassembly, seedbed stand and lighting fixture stand parallel arrangement, and the lighting fixture stand is located one side of seedbed stand and can move along the direction of seedbed stand relative to the seedbed stand, thereby make the lighting fixture subassembly can move relative to the seedbed frame subassembly, in order to change the relative position on lighting fixture subassembly and the seedbed frame subassembly, reach the relative distance between the plant lamp of locating on the lighting fixture subassembly and the plant of locating on the seedbed frame subassembly, and then change illumination intensity; wherein, a plurality of first limit parts are arranged on the side surface of the seedbed upright column along the vertical direction of the seedbed upright column, each first limit part is arranged at different positions to lead each first limit part to correspond to the irradiation intensity of one kind of seedlings, concretely, the plurality of first limit parts are sequentially arranged on the seedbed upright column at intervals, a second limit part is arranged on the lamp holder component, when the lamp holder component and the seedbed frame component move relatively, the second limit part can correspond to any one first limit part, the seedbed frame component and the lamp holder component are fixed together by the matching of the limit parts with the second limit parts and any one first limit part, the lamp holder component and the seedbed frame component can keep fixed connection relationship at a plurality of different positions, thereby the plant lamp has a plurality of selectable irradiation intensities by the matching of the second limit parts, the limit parts and any one first limit part, therefore, the illumination intensity of the plant lamp can be adjusted according to different requirements of the illumination intensity of the plant.

It should be noted that the utility model discloses set up its simple structure of the setting mode of a plurality of first spacing portions and the spacing portion of second, locating part, convenient operation has practiced thrift manufacturing cost on the one hand, and on the other hand practices thrift the operating time of illumination intensity adjustment, reduces the cost of labor.

Furthermore, the second limiting part is a part which is arranged on the lamp holder component and extends towards the side surface of the seedbed stand column, a through hole is formed in the second limiting part, and the limiting part penetrates through the through hole to be matched with any one of the first limiting parts so as to limit the relative movement of the lamp holder stand column and the seedbed stand column. The mode of inserting first spacing portion and the spacing portion of second with the locating part can fix seedbed frame subassembly and lighting fixture subassembly fast, accomplishes illumination intensity's adjustment, practices thrift the cost of labor.

Optionally, the second limiting part is arranged on the lamp holder upright post.

Optionally, the second limiting portion extends towards the lamp holder and is connected with the lamp holder.

Optionally, the second limiting portion is disposed on the lamp holder and separated from the lamp holder column.

Further, the lamp holder stand column is slidably mounted on the seedbed stand column through a convex-concave matching mechanism, specifically, a lifting slide way extending along the vertical direction is arranged on the seedbed stand column, so that the lamp holder stand column can slide on the lifting slide way, specifically, an inward concave slide way is arranged on the seedbed stand column, a slide rail protruding outwards and extending into the slide way is arranged on the lamp holder stand column, and the lamp holder stand column can slide on the lifting slide way of the seedbed stand column through the sliding matching of the slide rail and the slide way; or, an inwards sunken sliding groove is formed in the lamp holder stand column, a sliding rail which protrudes outwards and extends into the sliding groove is arranged on the seedbed, and the lamp holder stand column can slide on the lifting slide way of the seedbed stand column through the sliding fit of the sliding rail and the sliding groove.

Furthermore, the first limiting part is a through hole or a waist-shaped hole or a groove; the limiting piece is a positioning pin; wherein, the locating pin passes the through-hole that sets up in the spacing portion of second and stretches into in the first spacing portion to the relative movement of restriction lighting fixture stand and seedbed stand.

Specifically, the first limiting part is a through hole or a waist-shaped hole or a groove; the second limiting part is provided with a through hole; when the lamp bracket assembly moves relative to the seedbed bracket assembly, the second limiting part can be aligned with any one of the first limiting parts, so that the positioning pin can penetrate through the second limiting part and extend into the first limiting part to limit the relative movement of the lamp bracket upright post and the seedbed upright post; it should be noted that, can fix seedbed frame subassembly and lighting fixture subassembly fast with the mode of locating pin insertion first spacing portion and the spacing portion of second, accomplish the adjustment of illumination intensity, practice thrift the cost of labor.

Wherein, because the assembly of seedbed frame subassembly and lighting fixture subassembly probably has assembly error, through establishing first spacing portion into the form of waist shape hole and recess to avoid leading to the through-hole on first spacing portion and the spacing portion of second not corresponding because assembly error, can not insert the problem of first spacing portion and the spacing portion of second simultaneously, it is said that the central line in waist shape hole and recess extends along the horizontal direction.

Optionally, the first limiting part is a through hole or a waist-shaped hole or a groove arranged on the seedbed upright post; the second limiting part is a through hole arranged on the surface of the lamp holder upright post opposite to the first limiting part; the limiting piece is a positioning pin; wherein, the locating pin passes the spacing portion of second and stretches into in the first spacing portion to the relative movement of restriction lighting fixture stand and seedbed stand.

Further, each light holder is detachably connected to each light holder post.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is:

can the relative distance between quick adjustment lighting fixture and the seedling bed frame, adjust illumination intensity, the manual operation of being convenient for, and simple structure, reduction in production cost.

Drawings

Fig. 1 is a schematic structural view showing an adjustable seedling bed frame according to an embodiment of the present invention;

FIG. 2 shows a partially enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic structural view showing the assembly and positional relationship of the seedbed stand column, the lamp holder, the first limiting portion, the second limiting portion, and the limiting member according to an embodiment of the present invention;

fig. 4 is a schematic structural view showing an assembly and positional relationship of the seedbed stand column, the lamp holder, the first limiting portion, the second limiting portion, and the limiting member according to another embodiment of the present invention;

fig. 5 is a schematic structural view showing an assembly and positional relationship of a seedbed stand column, a lamp holder, a first limit portion, a second limit portion, and a stopper according to still another embodiment of the present invention;

fig. 6 is a schematic structural view showing the assembly and positional relationship of the seedbed stand column, the lamp bracket, the first limiting portion, the second limiting portion and the limiting member according to still another embodiment of the present invention;

fig. 7 is a schematic structural view of a seedbed stand and a lamp stand according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a seedbed stand and a lamp stand according to an embodiment of the present invention;

fig. 9 is a schematic structural view showing an assembly and positional relationship of the seedbed stand column, the lamp holder, the first position-limiting portion, the second position-limiting portion, and the position-limiting member according to another embodiment of the present invention;

fig. 10 shows a schematic structural view of a lamp holder column and a first support rod according to an embodiment of the present invention;

fig. 11 shows a schematic structural view of a lamp holder column and a lamp holder according to an embodiment of the present invention;

fig. 12 shows a schematic structural view of a lamp holder column and a lamp holder according to an embodiment of the present invention;

fig. 13 shows a schematic structural diagram of a lamp holder according to an embodiment of the present invention.

The symbols in the figures are as follows:

1 seedbed frame subassembly, 12 seedbed stands, 122 first spacing portion, 14 seedbed stands, 2 lighting fixture subassemblies, 22 lighting fixture stands, 24 lighting fixtures, 242 first bracing piece, 244 second bracing piece, 246 plant lamp rack, 26 second spacing portion, 16 spouts, 28 slide rails, 3 locating parts.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1 and 2, the present invention provides a seedling bed frame 14 with adjustable distance, which comprises: the seedling bed frame assembly 1, the lamp frame assembly 2 and the limiting piece 3; wherein, miao bedstead subassembly 1 includes: the seedling bed comprises a plurality of seedling bed upright posts 12 and a plurality of seedling bed frames 14, wherein the seedling bed upright posts 12 are vertically arranged, the seedling bed frames 14 are horizontally arranged and sequentially arranged along the vertical direction and are connected with the seedling bed upright posts 12, and the seedling bed frames 14 are used for placing seedlings to be irradiated; the lamp holder assembly 2 includes: a plurality of lamp holder vertical columns 22 and a plurality of lamp holders 24, wherein the lamp holder vertical columns 22 are vertically arranged adjacent to the seedbed vertical column 12, the lamp holders 24 are horizontally arranged above each seedbed frame 14 correspondingly and connected with the lamp holder vertical columns 22, and plant irradiation lamps are arranged on the lamp holders 24 to provide illumination for the seedlings; in detail, the seedbed frame assembly 1 and the lamp holder assembly 2 respectively comprise a seedbed upright 12 and a lamp holder upright 22, the seedbed upright 12 and the lamp holder upright 22 are arranged in parallel, and the lamp holder upright 22 can move along the vertical direction relative to the seedbed upright 12, so that the lamp holder assembly 2 can move relative to the seedbed frame assembly 1 to change the relative position of the lamp holder assembly 2 and the seedbed frame assembly 1, thereby changing the relative distance between a plant lamp arranged on the lamp holder assembly 2 and a plant arranged on the seedbed frame assembly 1 and further changing the illumination intensity; wherein, a plurality of first limiting parts 122 are arranged on the side surface of the seedbed upright 12 along the vertical direction of the seedbed upright 12, each first limiting part 122 is arranged at different positions to lead each first limiting part 122 to correspond to the irradiation intensity of a seedling, concretely, the plurality of first limiting parts 122 are sequentially arranged on the seedbed upright 12 at intervals, a second limiting part 26 is arranged on the lamp bracket component 2, when the lamp bracket component 2 and the seedbed rack component 1 move relatively, the second limiting part 26 can correspond to any first limiting part 122, then the seedbed rack component 1 and the lamp bracket component 2 are fixed together by the matching of the limiting part 3 with the second limiting part 26 and any first limiting part 122 at the same time, the lamp bracket component 2 and the seedbed rack component 1 can keep a fixed connection relationship at a plurality of different positions, thereby the second limiting part 26, the limiting part 3 and any first limiting part 122 are matched, the plant lamp has a plurality of selectable illumination intensities, so that the illumination intensity of the plant lamp can be adjusted according to different requirements of the illumination intensity of the plant.

As shown in fig. 1, the second limiting portion 26 is a component that extends toward the side surface of the seedbed stand column 12 on the lamp holder assembly 2, a through hole is formed in the second limiting portion 26, the limiting member 3 passes through the through hole and cooperates with any one of the first limiting portions 122 to limit the relative movement between the lamp holder stand column 22 and the seedbed stand column 12, and the seedbed frame assembly 1 and the lamp holder assembly 2 can be quickly fixed by inserting the limiting member 3 into the first limiting portion 122 and the second limiting portion 26, so that the adjustment of the illumination intensity is completed, and the labor cost is saved.

As shown in fig. 4, in another specific embodiment, the second position-limiting portion 26 is disposed on the lamp holder vertical column 22, the second position-limiting portion 26 extends from the lamp holder vertical column 22 to the side surface of the seedbed vertical column 12, a through hole is disposed on the second position-limiting portion 26 corresponding to the first position-limiting portion 122, and the position-limiting member 3 passes through the through hole on the second position-limiting portion 26 and extends into the first position-limiting portion 122, so as to fix the lamp holder vertical column 22 and the seedbed vertical column 12.

In another specific embodiment, as shown in fig. 2, the second position-limiting portion 26 extends toward the lamp holder 24 to connect with the lamp holder 24, and a through hole is formed in the second position-limiting portion 26, and the position-limiting member 3 passes through the through hole in the second position-limiting portion 26 and extends into the first position-limiting portion 122, so as to fix the lamp holder column 22 and the seedbed column 12.

As shown in fig. 5, in another specific embodiment, the second position-limiting portion 26 is disposed on the lamp holder 24 and separated from the lamp holder column 22, a through hole is disposed on the second position-limiting portion 26 corresponding to the first position-limiting portion 122, and the position-limiting member 3 passes through the through hole on the second position-limiting portion 26 and extends into the first position-limiting portion 122, so as to fix the lamp holder assembly 2 and the seedbed frame assembly 1.

As shown in fig. 7 and 8, the lamp holder column 22 is slidably mounted on the bed column 12 by a male-female fitting mechanism, and specifically, the bed column 12 is provided with a lifting slide extending in the vertical direction, so that the lamp holder column 22 can slide on the lifting slide. In detail, as shown in fig. 7, an inward recessed sliding groove 16 is provided on the seedbed stand column 12, a sliding rail 28 which protrudes outward and extends into the sliding groove 16 is provided on the lamp holder stand column 22, and the lamp holder stand column 22 can slide on the lifting slide rail of the seedbed stand column 12 through the sliding fit of the sliding rail 28 and the sliding groove 16; alternatively, as shown in fig. 8, the sliding groove 16 which is recessed inward is provided on the lamp holder column 22, the sliding rail 28 which is protruding outward and extends into the sliding groove 16 is provided on the seedbed, and the lamp holder column 22 can slide on the lifting slide of the seedbed column 12 by the sliding fit of the sliding rail 28 and the sliding groove 16.

As shown in fig. 4 and 5, in a specific embodiment, the first limiting portion 122 is a kidney-shaped hole, the second limiting portion 26 is provided with a through hole, and the limiting member 3 is a positioning pin, which penetrates through the second limiting portion 26 and extends into the first limiting portion 122, so as to fix the lamp holder assembly 2 and the seedling bed frame assembly 1.

The central lines of the waist-shaped holes extend along the horizontal direction, two ends of each waist-shaped hole are arc edges, and the two semi-arc edges are connected through two straight edges.

As shown in fig. 6, in another specific embodiment, the first limiting portion 122 is a groove, the second limiting portion 26 is provided with a through hole, the limiting member 3 is a positioning pin, and the positioning pin passes through the second limiting portion 26 and extends into the first limiting portion 122, so as to fix the lamp holder assembly 2 and the nursery bed frame assembly 1.

Wherein the groove extends in a horizontal direction.

It should be noted that, the way of inserting the positioning pins into the first limiting portion 122 and the second limiting portion 26 can fix the seedbed frame assembly 1 and the lamp holder assembly 2 quickly, complete the adjustment of the illumination intensity, and save the labor cost.

Wherein, because the assembly of seedbed frame subassembly 1 and lighting fixture subassembly 2 probably has assembly error, through setting up first spacing portion 122 into the form of waist shape hole and recess to avoid leading to the through-hole on first spacing portion 122 and the spacing portion 26 of second not corresponding because of assembly error, can not insert the problem of first spacing portion 122 and the spacing portion 26 of second simultaneously, it needs to explain that, the central line of waist shape hole and recess extends along the horizontal direction.

As shown in fig. 3, in a specific embodiment, the second position-limiting portion 26 is a through hole formed on the surface of the lamp holder vertical column 22 opposite to the first position-limiting portion 122, the first position-limiting portion 122 is a through hole formed on the seedbed vertical column 12, the second position-limiting portion 26 corresponds to the first position-limiting portion 122, and the position-limiting member 3 can directly pass through the first position-limiting portion 122 and the second position-limiting portion 26, so as to fix the lamp holder vertical column 22 and the seedbed vertical column 12.

The first position-limiting part 122 may be a through hole, a waist-shaped hole, or a groove provided on the bed upright 12.

Further, each fixture post 22 is removably attached to a fixture 24 to facilitate assembly of fixture assembly 1.

Specifically, as shown in fig. 9, the lamp holder 24 specifically includes: a plurality of first bracing pieces 242 extending along the first direction, both ends of the first bracing piece 242 set up along the first direction are respectively detachably connected with two adjacent lamp holder vertical columns 22 to facilitate that the lamp holder vertical columns 22 and the first bracing pieces 242 can integrally move relative to the seedbed vertical columns 12, specifically, the number of the seedbed vertical columns 12 is 4, the number of the lamp holder vertical columns 22 is equal to the number of the seedbed vertical columns 12, therefore, two groups of the lamp holder vertical columns 22 in the first direction are connected with the first bracing pieces 242, when adjusting the relative position between the seedbed frame component 1 and the lamp holder component 2, the two groups of the lamp holder vertical columns 22 and the first bracing pieces 242 can be respectively integrally adjusted, wherein the first bracing pieces 242 are detachably connected with the lamp holder vertical columns 22 to facilitate the installation of the lamp holder component 2.

In another specific embodiment, as shown in fig. 10, the first support rod 242 and the second support rod 244 are provided in both the first direction and the second direction, so that both ends of the first support rod 242 and the second support rod 244 are detachably connected to the adjacent two lamp holder posts 22, respectively, to integrally adjust the relative positions between the lamp holder assembly 2 and the frame assembly 1.

As shown in fig. 11, in another specific embodiment, the first support bar 242 and the second support bar 244 are simultaneously provided in the first direction and the second direction, respectively, and specifically, the number of the seedbed stands 12 is 4, and the number of the lamp holder stands 22 is equal to the number of the seedbed stands 12, so that each lamp holder stand 22 can be adjusted when the relative position between the seedbed frame assembly 1 and the lamp holder assembly 2 is adjusted, respectively.

As shown in fig. 12, in another specific embodiment, a plurality of first supporting rods 242 extending in the first direction, one end of each of the first supporting rods 242 arranged in the first direction is detachably connected to one of the lamp holder vertical columns 22, so that the lamp holder vertical columns 22 and the first supporting rods 242 are integrally movable with respect to the seedbed vertical column 12, specifically, the number of the seedbed vertical columns 12 is 4, the number of the lamp holder vertical columns 22 is equal to the number of the seedbed vertical columns 12, and when the relative position between the seedbed frame assembly 1 and the lamp holder assembly 2 is adjusted, the connecting structure of each of the lamp holder vertical columns 22 and the first supporting rods 242 can be adjusted, respectively, wherein the first supporting rods 242 are detachably connected to the lamp holder vertical columns 22, so that the lamp holder assembly 2 can be installed.

As shown in fig. 13, further, the lamp holder 24 further includes: the plant lamp placing rack 246 is arranged on the first supporting rod 242 or the second supporting rod 244, so that the plant lamp can be conveniently hung on the plant lamp placing rack 246, and illumination is provided for crops arranged on the seedbed frame 14.

Among them, the plant lamp placing rack 246 may be placed only on the first support bar 242 or the second support bar 244, or the plant lamp placing rack 246 may be placed on the first support bar 242 and the second support bar 244, so as to facilitate the placing of the plant lamp placing rack 246; the plant lamp placing rack 246 may also be detachably connected to the first support rod 242 or the second support rod 244 to improve the overall stability of the lamp holder assembly 2.

As shown in fig. 1 and 2, in one embodiment, there is provided an adjustable-pitch nursery bed frame, comprising: multilayer disjunctor LED plant lighting fixture (being lighting fixture subassembly 2), the main shaft, the pulley, wire rope, the weight, educate the seedling bed frame (being seedbed frame subassembly 1), the locating pin, wherein, educate a plurality of seedbed stands 12 that the seedling bed frame includes vertical setting, multilayer disjunctor LED plant lighting fixture can move on seedbed stand 12, it has the first round hole of co-altitude not (being first spacing portion 122) to bore on seedbed stand 12, every first round hole mark this hole apart from and cultivate the illumination intensity between the seedling and the variety that can cultivate the seedling, be equipped with the second round hole (being the spacing portion 26 of second) that corresponds with the first round hole on seedbed stand 12 on multilayer disjunctor LED plant lighting fixture, when needs cultivate certain seedling, the user as long as with LED plant lamp pass through the round hole and the bolt fix this position can.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims (9)

1. The utility model provides a but variable pitch formula nursery bed frame which characterized in that includes:

the seedling bed frame assembly comprises a plurality of seedling bed stand columns which are vertically arranged, and a plurality of seedling bed frames which are horizontally arranged, are sequentially arranged along the vertical direction, are connected with the seedling bed stand columns and are used for placing seedlings to be irradiated;

the lamp holder assembly comprises a plurality of lamp holder vertical columns which are vertically arranged adjacent to the seedbed vertical columns, and a plurality of lamp holders which are horizontally arranged above each seedbed frame correspondingly, connected with the lamp holder vertical columns and configured with plant irradiation lamps; and

a position-limiting component,

the lamp holder vertical column is slidably installed adjacent to the seedbed vertical column, the relative positions of the lamp holder assembly and the seedbed frame assembly are fixed through the limiting piece,

a plurality of first limiting parts are arranged on the side surface of the seedbed upright column along the vertical direction of the seedbed upright column, each first limiting part corresponds to the irradiation intensity of one seedling,

a second limiting part is arranged on the lamp holder component;

the limiting part and the second limiting part are matched with any first limiting part to limit the relative movement of the lamp holder stand column and the seedbed stand column.

2. The adjustable nursery bed frame according to claim 1, wherein,

the second limiting part is a component which is arranged on the lamp holder component and extends towards the side face of the seedbed stand column, a through hole is formed in the second limiting part, and the limiting part penetrates through the through hole to be matched with any one of the first limiting parts so as to limit the relative movement of the lamp holder stand column and the seedbed stand column.

3. The adjustable nursery bed frame according to claim 2, wherein the adjustable nursery bed frame is a frame for holding a nursery bed,

the second limiting part is arranged on the lamp holder upright post.

4. The adjustable nursery bed frame according to claim 3, wherein,

the second limiting part extends towards the lamp holder and is connected with the lamp holder.

5. The adjustable nursery bed frame according to claim 2, wherein the adjustable nursery bed frame is a frame for holding a nursery bed,

the second limiting part is arranged on the lamp holder and separated from the lamp holder upright post.

6. The adjustable nursery bed frame according to claim 1, wherein,

the lamp holder upright post is slidably arranged on the seedbed upright post through a convex-concave matching mechanism.

7. The adjustable nursery bed frame according to claim 2, wherein the adjustable nursery bed frame is a frame for holding a nursery bed,

the first limiting part is a through hole or a waist-shaped hole or a groove;

the limiting piece is a positioning pin; wherein, the locating pin passes the through-hole that sets up in the spacing portion of second and stretches into in the first spacing portion, in order to restrict the lighting fixture stand with the relative movement of seedbed stand.

8. The adjustable nursery bed frame according to claim 1, wherein the adjustable nursery bed frame is a frame for holding a nursery bed,

the first limiting part is a through hole or a waist-shaped hole or a groove arranged on the seedbed upright post;

the second limiting part is a through hole arranged on the surface of the lamp holder upright post opposite to the first limiting part; the limiting piece is a positioning pin; wherein, the locating pin passes the spacing portion of second and stretches into in the first spacing portion to the restriction lighting fixture stand with the relative movement of seedbed stand.

9. The adjustable nursery bed frame according to claim 1, wherein,

each light holder is detachably connected with each light holder upright post.

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