CN217546796U - Planting device - Google Patents

Abstract

The utility model provides a planting device, including relative first runner and second runner, relative first support and second support and a pivot that set up, first runner includes first wheel body and along a plurality of first spokes that the circumference of first wheel body evenly set up, the second runner includes a plurality of second wheel bodies and along a plurality of second spokes that the circumference of second wheel body evenly set up; the first rotating wheel and the second rotating wheel are connected with the rotating shaft, one end of the rotating shaft penetrates through the center of the first rotating wheel and is in rotating connection with the first support, and the other end of the rotating shaft penetrates through the center of the second rotating wheel and is in rotating connection with the second support; the implant is in one-to-one correspondence with the first spoke and the second spoke and is respectively connected with the first spoke and the second spoke. The utility model discloses the structural configuration who utilizes the optimization has promoted planting efficiency.

Description

Planting device

Technical Field

The utility model relates to a plant species plants technical field, concretely relates to planting device.

Background

Nowadays, stereoscopic planting is an important concept of planting modernization, and the stereoscopic planting can effectively utilize more space and is not limited by the area of planting land. In some high-value crop planting operations, the economic effect of stereoscopic planting is particularly obvious, for example, strawberry planting. In traditional strawberry cultivation, traditional land cultivation, overhead cultivation and aerial strawberry technologies are mainly adopted, but are limited by factors such as land area, sunlight irradiation and high cost. In the existing roller planting device, due to the fact that the structure of the existing roller planting device is still insufficient, a plurality of defects exist in the manufacturing or using process, such as the defects that the fertilizer application and watering efficiency is low, the rotation is time-consuming and labor-consuming and uncontrollable, the planting state cannot be monitored in real time, various functional circuits are staggered and disordered, and the like, and therefore the planting device in the prior art needs to be improved from the structural and functional aspects.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a planting device and equipment to improve three-dimensional planting device's structure, promote planting efficiency and planting effect.

In order to solve the technical problem, the utility model provides a planting device, including first runner and second runner that set up relatively, first support and second support and a pivot that set up relatively, first runner includes first wheel body and a plurality of first spokes that evenly set up along the circumference of first wheel body, the second runner includes a plurality of second wheel bodies and a plurality of second spokes that evenly set up along the circumference of second wheel body; the first rotating wheel and the second rotating wheel are connected with the rotating shaft, one end of the rotating shaft penetrates through the center of the first rotating wheel and is in rotating connection with the first support, and the other end of the rotating shaft penetrates through the center of the second rotating wheel and is in rotating connection with the second support; a plurality of implants are arranged between the first rotating wheel and the second rotating wheel, and planting grooves are formed in the implants; the planting body with first spoke with the setting of second spoke one-to-one, the one end of planting body with correspond the setting first spoke links to each other, the other end of planting body with correspond the setting the second spoke links to each other.

Optionally, one end of the implant is rotatably connected to the first spoke, and the other end of the implant is rotatably connected to the second spoke.

Optionally, be equipped with on the first spoke with the perpendicular first spliced pole that sets up of first spoke, be equipped with on the second spoke with the perpendicular second spliced pole that sets up of second spoke, the one end of planting body is equipped with first flying piece, the other end of planting body is equipped with the second flying piece, first flying piece hang locate on the first spliced pole, the second flying piece hang locate on the second spliced pole.

Optionally, the first suspension member includes two first suspension rods connected to each other, and the two first suspension rods are respectively and obliquely arranged on two sides of one end of the implant close to the first rotating wheel; the second hanging part comprises two second hanging rods which are connected, and the two second hanging rods are obliquely arranged on two sides of one end, close to the second rotating wheel, of the implant respectively.

Optionally, a first stop block is arranged on the first connecting column, the first stop block is far away from the position of the first rotating wheel, and the first suspension member is located between the first rotating wheel and the first stop block; and a second stop block is arranged on the second connecting column, the second stop block is far away from the position of the second rotating wheel, and the second hanging piece is positioned between the second rotating wheel and the second stop block.

Optionally, the planting device further includes a first circular tube and a plurality of first conveying tubes connected to the first circular tube, the first conveying tubes and the planting grooves are arranged in a one-to-one correspondence manner, the first circular tube is mounted on one of the first rotating wheel and the second rotating wheel, the first circular tube is used for being connected to a water supply device or a fertilizer supply device, the first conveying tube is provided with a plurality of first openings along a length direction thereof, and a valve is arranged between the first circular tube and the first conveying tubes.

Optionally, the first delivery pipe comprises two first branch delivery pipes arranged in parallel.

Optionally, the planting device further comprises a plurality of heat conduction belts which are arranged in one-to-one correspondence with the planting grooves.

Optionally, the planting device further includes a second ring pipe and a plurality of second conveying pipes connected to the second ring pipe, the first ring pipe is installed on one of the first rotating wheel and the second rotating wheel, the second conveying pipes are arranged in one-to-one correspondence to the planting grooves, each second conveying pipe is internally provided with one heat conduction belt, one end of each heat conduction belt is located in the second ring pipe, the other end of each heat conduction belt is located in the corresponding second conveying pipe, the second ring pipe is used for being connected to a gas supply device, such as a high-pressure fan, and the second conveying pipe is provided with a plurality of second openings along the length direction thereof.

Optionally, the second conveying pipe includes two second branch conveying pipes arranged in parallel, the heat conduction belt includes two branch heat conduction belts arranged in parallel, and one branch heat conduction belt is installed in each second branch conveying pipe.

The utility model provides a planting device and equipment have following beneficial effect:

the utility model provides a planting device comprises a first rotating wheel and a second rotating wheel which are oppositely arranged, a first support and a second support which are oppositely arranged and a rotating shaft, wherein the first rotating wheel comprises a first wheel body and a plurality of first spokes which are evenly arranged along the circumferential direction of the first wheel body, and the second rotating wheel comprises a plurality of second wheel bodies and a plurality of second spokes which are evenly arranged along the circumferential direction of the second wheel body; the first rotating wheel and the second rotating wheel are connected with the rotating shaft, one end of the rotating shaft penetrates through the center of the first rotating wheel and is in rotating connection with the first support, and the other end of the rotating shaft penetrates through the center of the second rotating wheel and is in rotating connection with the second support; a plurality of implants are arranged between the first rotating wheel and the second rotating wheel, and planting grooves are formed in the implants; the implant is arranged in a one-to-one correspondence mode with the first spokes and the second spokes, one end of the implant is connected with the first spokes correspondingly arranged, and the other end of the implant is connected with the second spokes correspondingly arranged. The utility model discloses a design a novel runner formula planting device, adopt the pivot to connect first runner and second runner to the one end that will be equipped with the planting body of planting the groove is connected on the first spoke of first runner, the other end is connected mode on the second spoke of second runner makes first runner with the cylinder space that forms between the second runner can be utilized fully, not only makes the space grow between the adjacent planting body, more is favorable to planting in the growth of the plant in the planting body, moreover the planting body can be followed first runner the second runner rotates together, has made things convenient for a plurality of the maintenance and the takeout of plant in turn in the planting body has improved planting efficiency and planting output.

Drawings

Fig. 1 is a schematic three-dimensional view of a planting device according to an embodiment of the present invention;

fig. 2 is a schematic front view of a planting device according to an embodiment of the present invention;

fig. 3 is a schematic side view of a planting device according to an embodiment of the present invention;

fig. 4 is a schematic top view of a planting device according to an embodiment of the present invention;

fig. 5 is a schematic view of the connection between the first ring pipe and the first conveying pipe of the planting device provided by the embodiment of the present invention;

fig. 6 is a schematic view illustrating a connection between a planting device and an external device according to an embodiment of the present invention.

The reference numbers are as follows:

11-a first support; 12-a second support; 13-a first wheel; 131-a first web of strips; 14-a second wheel; 141-a second web of strips; 15-axle connecting rod; 16-an implant; 161-a first suspension member; 17-a first loop; 17 b-a second loop; 18-a first delivery duct; 18 b-a second delivery duct; 181-first branch conveying pipe; 182-a first opening;

20-a valve; 21-a first connecting column; 21 b-a second connecting column; 22-a first stop;

61 a-a heat source; 61 b-a water supply; 61 c-a fertilizer supply device; 61 d-high pressure blower.

Detailed Description

To make the objects, advantages and features of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be noted that the drawings are in simplified form and are not to scale, and are merely intended to facilitate and clarify the explanation of the embodiments of the present invention. Further, the structures illustrated in the drawings are often part of actual structures. In particular, the drawings are intended to show different emphasis, sometimes in different proportions.

It will be understood that when an element or layer is referred to as being "on" \8230 "", "connected to" other elements or layers, it can be directly on the other elements or layers, the other elements or layers can be connected, or intervening elements or layers can be present. In contrast, when an element is referred to as being "directly on" \8230 "; or" directly connected to "another element or layer, there are no intervening elements or layers present. Although the terms first, second, third, etc. may be used to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present invention. Spatial relational terms, such as "under 8230," "under," "at 8230; over," "above," "over," and the like may be used herein for convenience of description to describe the relationship of one element or feature to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, then elements or features described as "under" 8230; \8230; underlying "," underlying "or" lower "would then be oriented" on "the other elements or features. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatial descriptors used herein interpreted accordingly. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. As used herein, the term "and/or" includes any and all combinations of the associated listed items.

The core idea of the utility model is to provide a planting device and equipment to the optimization that realizes the pipeline is connected and the optimization setting of inner structure.

In order to realize the idea, the utility model provides a planting device. Referring to fig. 1 to 4, the present disclosure includes a first rotating wheel 13 and a second rotating wheel 14 disposed oppositely, a first bracket 11 and a second bracket 12 disposed oppositely, and a rotating shaft 15, where the first rotating wheel 13 includes a first wheel body and a plurality of first spokes 131 uniformly disposed along a circumferential direction of the first wheel body, and the second rotating wheel 14 includes a plurality of second wheel bodies and a plurality of second spokes 141 uniformly disposed along a circumferential direction of the second wheel body; the first rotating wheel 13 and the second rotating wheel 14 are both connected with the rotating shaft 15, one end of the rotating shaft 15 penetrates through the center of the first rotating wheel 13 and is rotatably connected with the first support 11, and the other end of the rotating shaft 15 penetrates through the center of the second rotating wheel 14 and is rotatably connected with the second support 12; a plurality of planting bodies 16 are arranged between the first rotating wheel 13 and the second rotating wheel 13, and planting grooves are formed in the planting bodies 16; the implant 16 is arranged corresponding to the first spokes 131 and the second spokes 141 one to one, one end of the implant 16 is connected with the corresponding first spokes 131, and the other end of the implant 16 is connected with the corresponding second spokes 141.

Through such setting, the utility model discloses a design a novel runner formula planting device, adopt pivot 15 is connected first runner 13 with second runner 14 to be equipped with and plant the groove first runner 16's one end is connected first runner 13 is last, and the other end is connected second runner 14 the mode on the second spoke 141 makes first runner 13 with the cylinder space that forms between the second runner 14 can be utilized fully, not only makes adjacently space grow between the planting body 16 more is favorable to planting in the growth of the plant in the planting body 16, moreover planting body 16 can follow first runner 13 the second runner 14 rotates together, has made things convenient for a plurality of the maintenance in turn and the takeing of plant in the planting body 16 have improved planting efficiency and planting output.

Referring to fig. 5, as shown in fig. 5, one end of the implant 16 is rotatably connected to the first spoke 131, and the other end of the implant 16 is rotatably connected to the second spoke 141. This arrangement achieves that the notch of the implant 16 is always upward by gravity during the rotation of the first and second wheels 13 and 14, and the substrate therein is prevented from spilling. Specifically, a first connecting column 21 is disposed on the first spoke 131 and perpendicular to the first spoke 131, a second connecting column 21b is disposed on the second spoke 141 and perpendicular to the second spoke 141, a first hanging part 161 is disposed at one end of the implant 16, a second hanging part is disposed at the other end of the implant 16, the first hanging part 161 is hung on the first connecting column 21, a second hanging part (not shown) is hung on the second connecting column 21b, and the arrangement manner is similar to that of the first hanging part 161 in fig. 5. Through the simplified suspension member arrangement, the implant 16 can be more conveniently and rotatably connected with the first web strip 131 and the second web strip 141, and the detachment and installation are convenient.

Preferably, as shown in fig. 5, the first hanging member 161 includes two first hanging rods connected to each other, and the two first hanging rods are respectively and obliquely arranged on two sides of one end of the implant 16 close to the first rotating wheel 13; the second suspension member comprises two second suspension rods connected to each other, and the two second suspension rods are obliquely arranged on both sides of one end of the implant 16 close to the second wheel 14, respectively, in a similar manner to the first suspension member 161 shown in fig. 5. Thus, the two first hanging members 161 and the two second hanging members can simplify the structure of the first hanging members 161 and the second hanging members, and it is more convenient to hang the first hanging members 161 on the first spokes 131 and hang the second hanging members on the second spokes 141.

As an optimized solution, as shown in fig. 5, a first stopper 22 is disposed on the first connecting column 21, the first stopper 22 is located away from the first rotating wheel 13, and the first hanging member 161 is located between the first rotating wheel 13 and the first stopper 22; a second stopper (not shown) is disposed on the second connecting column 21b, the second stopper is far away from the second rotating wheel 14, and the second suspension member is disposed between the second rotating wheel 14 and the second stopper, in a manner similar to the first stopper 22 in fig. 5. Thus, by providing the first stopper 22 on the first attaching post 21, the first hanger 161 can be effectively prevented from falling off from the first attaching post 21; by providing the second stopper on the second connecting column 21b, the second hanging member can be effectively prevented from falling off the second connecting column 21b, so that the implant 16 can be stably fixed on the first rotating wheel 13 and the second rotating wheel 14.

With continuing reference to fig. 5 and 6, as an optimized solution, the planting device further includes a first circular pipe 17 and a plurality of first delivery pipes 18 connected to the first circular pipe 17, the first delivery pipes 18 are disposed in one-to-one correspondence to the planting grooves, the first circular pipe 17 is mounted on one of the first rotating wheel 13 and the second rotating wheel 14, the first circular pipe 17 is used for being connected to a water supply device or a fertilizer supply device, the first delivery pipe 18 is provided with a plurality of first openings 182 along a length direction thereof, and a first valve 20 is disposed between the first circular pipe 17 and the first delivery pipe 18. In a specific implementation process, the first circular pipe 17 is connected to the water supply device 61b or the fertilizer supply device 61c, so that water or fertilizer in the water supply device or the fertilizer supply device can be effectively delivered into each first delivery pipe 18, and the first delivery pipe 18 is provided with a plurality of first openings 182 along the length direction thereof, so as to realize drip irrigation on the planted crops planted in the planting groove. The first valve 20 between the first loop 17 and the first delivery pipe 18 can realize effective control of water supply or fertilizer supply operation through opening and closing operations, and specifically, when the first valve 20 is opened, the first loop 17 is communicated with the first delivery pipe 18, and the first loop 17 can deliver water or fertilizer in the water supply device 61b or the fertilizer supply device 61c into each first delivery pipe 18; when the first valve 20 is closed, the first loop 17 is disconnected from the first delivery pipe 18, and the first loop 17 stops delivering the water or fertilizer in the water supply device 61b or the fertilizer supply device 61c into each first delivery pipe 18. In order to realize the monitoring of the state of the plants in the planting device, a humidity sensor can be arranged in the planting groove to monitor the humidity in the planting groove in real time, a conductivity sensor is arranged to monitor the conductivity of the soil in the planting groove in real time, the humidity sensor and/or the conductivity sensor can be in unified communication connection with a controller, and each humidity sensor and/or real-time data measured by the conductivity sensor can be displayed through a display screen. Further, the controller is in switch control connection with a water supply device 61b and/or a fertilizer supply device 61c, the water supply device 61b and/or the fertilizer supply device 61c is connected with the first ring pipe 17, and by setting a humidity preset value and/or a conductivity preset value in the controller, when the actually measured humidity is lower than the humidity preset value, the water supply device 61b is automatically started until the humidity in the planting groove is greater than or equal to the humidity preset value; and when the actually measured conductivity is lower than the preset conductivity value, automatically starting the fertilizer supply device 61c until the conductivity in the planting groove is greater than or equal to the preset conductivity value, so as to realize the full-automatic monitoring and control of the planting irrigation operation.

Preferably, the first delivery pipe 18 includes two first branch delivery pipes 181 arranged in parallel, as shown in fig. 1 to 5. The arrangement is favorable for further realizing uniform fertigation.

As an optimized scheme, the planting device further comprises a plurality of heat conduction belts which are in one-to-one correspondence with the planting grooves. The heat conduction belt can be connected with a heat source to transfer heat, and heat exchange between the interior of the planting groove and the outside is achieved. Further, the planting device further comprises a second ring pipe 17b and a plurality of second delivery pipes 18b connected with the second ring pipe 17b, wherein the second ring pipe 17b is mounted on one of the first rotating wheel 13 and the second rotating wheel 14, and the second delivery pipes 18b are arranged in one-to-one correspondence with the planting troughs, in a manner similar to that of the first ring pipe 17 and the first delivery pipes 18 in fig. 5. The heat conduction belt is installed in each second conveying pipe 18b, one end of each heat conduction belt is located in the corresponding second ring pipe 17b, the other end of each heat conduction belt is located in the corresponding second conveying pipe 18b, the second ring pipes 17b are used for being connected with a high-pressure fan 61d, and gas blown out by the high-pressure fan 61d is converted into hot gas through heat exchange with the heat conduction belts. The second duct 18b is provided with a plurality of second openings along its length in a similar manner to the first openings 181 of fig. 5. In a specific implementation process, the second delivery pipe 18b can be embedded in the substrate of the planting groove to control the temperature of the roots of the plants when in use, or can be arranged outside the substrate to blow hot air through the second opening of the second delivery pipe 18b to control the temperature. Especially for the plants such as strawberries, both the root temperature and the air temperature need to be controlled, and two second delivery pipes 18b may be provided for each planting tank, wherein one second delivery pipe 18b is embedded in the substrate of the planting tank and the other second delivery pipe 18b is provided outside the substrate, thereby achieving simultaneous control of the root temperature and the air temperature. For the realization is right plant state's among the planting device control can also be in plant the inslot and set up temperature sensor in order real-time supervision the temperature in the groove of planting, temperature sensor can be connected to the controller in unison, the real-time data that temperature sensor surveyed can show through the display screen. Referring to fig. 6, further, the controller is connected to the heat source 61a and the high pressure fan 61d in a switching control manner, the heat source 61a is connected to the heat conduction belt, the high pressure fan 61d is connected to the second loop 17b, a preset temperature value is set in the controller, and when the actually measured temperature is lower than the preset temperature value, the heat source 61a and the high pressure fan 61d are automatically started until the temperature in the planting groove is greater than or equal to the preset temperature value, so that the full-automatic monitoring and control of the planting operation temperature and air temperature are realized.

Preferably, the second delivery pipe 18b includes two second branch delivery pipes arranged in parallel, the second branch delivery pipes are arranged in a similar manner to the first branch delivery pipes 181 in fig. 5, and the heat conduction belt includes two branch heat conduction belts arranged in parallel, and each of the second branch delivery pipes has one branch heat conduction belt installed therein. Thereby achieving more uniform heat transfer and exchange.

Referring to fig. 5, as shown in fig. 5, as an optimized solution, the first connecting column 21 may be hollow, and the first conveying pipe 18 may be disposed through the hollow first connecting column 21; the second connection column 21b may be hollow, and the second delivery pipe 18b may be disposed through the hollow second connection column 21 b. Thus, by providing the first and second connecting posts 21 and 21b to be hollow, the arrangement of the first and second delivery pipes 18 and 18b can be facilitated, so that the piping arrangement of the planting device is more orderly.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.

Claims (10)

1. The planting device is characterized by comprising a first rotating wheel, a second rotating wheel, a first support, a second support and a rotating shaft, wherein the first rotating wheel and the second rotating wheel are oppositely arranged, the first support and the second support are oppositely arranged, the first rotating wheel comprises a first wheel body and a plurality of first spokes which are uniformly arranged along the circumferential direction of the first wheel body, and the second rotating wheel comprises a plurality of second wheel bodies and a plurality of second spokes which are uniformly arranged along the circumferential direction of the second wheel body;

the first rotating wheel and the second rotating wheel are connected with the rotating shaft, one end of the rotating shaft penetrates through the center of the first rotating wheel and is in rotating connection with the first support, and the other end of the rotating shaft penetrates through the center of the second rotating wheel and is in rotating connection with the second support;

a plurality of planting bodies are arranged between the first rotating wheel and the second rotating wheel, and planting grooves are formed in the planting bodies;

the implant is arranged in a one-to-one correspondence mode with the first spokes and the second spokes, one end of the implant is connected with the first spokes correspondingly arranged, and the other end of the implant is connected with the second spokes correspondingly arranged.

2. The planting device as claimed in claim 1, wherein one end of the implant body is rotatably connected to the correspondingly disposed first spoke, and the other end of the implant body is rotatably connected to the correspondingly disposed second spoke.

3. The planting device as claimed in claim 2, wherein a first connecting column is provided on the first spoke and perpendicular to the first spoke, a second connecting column is provided on the second spoke and perpendicular to the second spoke, a first hanging member is provided at one end of the implant, a second hanging member is provided at the other end of the implant, the first hanging member is hung on the first connecting column, and the second hanging member is hung on the second connecting column.

4. The planting device as claimed in claim 3, wherein the first suspension member comprises two first suspension rods connected with each other, and the two first suspension rods are respectively and obliquely arranged on two sides of one end of the planting body close to the first rotating wheel; the second hanging part comprises two second hanging rods which are connected, and the two second hanging rods are obliquely arranged on two sides of one end, close to the second rotating wheel, of the implant respectively.

5. The planting device as claimed in claim 3, wherein a first stop is provided on the first connecting post, the first stop is located away from the first wheel, and the first suspension member is located between the first wheel and the first stop; and a second stop block is arranged on the second connecting column, the second stop block is far away from the position of the second rotating wheel, and the second hanging piece is positioned between the second rotating wheel and the second stop block.

6. The planting device as claimed in claim 1, further comprising a first ring pipe and a plurality of first delivery pipes connected with the first ring pipe, wherein the first delivery pipes are arranged in a one-to-one correspondence with the planting grooves, the first ring pipe is mounted on one of the first rotating wheel and the second rotating wheel, the first ring pipe is used for being connected with a water supply device or a fertilizer supply device, the first delivery pipe is provided with a plurality of first openings along the length direction thereof, and a valve is arranged between the first ring pipe and the first delivery pipes.

7. The planting apparatus of claim 6 wherein the first delivery tube comprises two first branch delivery tubes arranged in parallel.

8. The planting device as claimed in claim 1, further comprising a plurality of thermally conductive strips disposed in one-to-one correspondence with the planting slots.

9. The planting device as claimed in claim 8, further comprising a second ring pipe and a plurality of second conveying pipes connected to the second ring pipe, wherein the second ring pipe is mounted on one of the first wheel and the second wheel, the second conveying pipes are arranged in one-to-one correspondence to the planting grooves, each second conveying pipe is internally provided with a heat conduction belt, one end of each heat conduction belt is located in the second ring pipe, the other end of each heat conduction belt is located in the corresponding second conveying pipe, the second ring pipe is used for being connected to a gas supply device, and the second conveying pipes are provided with a plurality of second openings along the length direction.

10. The growing apparatus of claim 9, wherein said second transport tube comprises two second branched transport tubes arranged in parallel, and said thermal conduction band comprises two branched thermal conduction bands arranged in parallel, one of said branched thermal conduction bands being mounted in each of said second branched transport tubes.

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