Automatic rhodiola harvesting device

Abstract

The utility model belongs to rhodiola harvesting technical field, concretely relates to a kind of rhodiola automatic harvesting device;Including: excavating component, for connecting in traction farm machine and rhodiola rhizome in soil is dug out;Cleaning component, the cleaning component is set in the excavating component, for removing rhodiola branch and leaf on rhodiola rhizome;Separation component, the separation component is set in the excavating component, for separating soil and rhodiola rhizome;Collecting component, the collecting component is set in the excavating component, and located the separation component output side, for concentrating to rhodiola rhizome;It can be separated to rhizome and withered stem leaf automatic process, and the screening and collection of soil and rhizome are completed by separation component and collecting component, to complete the separation of rhodiola withered stem leaf, the excavation of rhizome and the automatic process of the collection of rhizome, reduce manual participation, reduce artificial cost, improve harvesting efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of Rhodiola rosea harvesting technology, specifically relating to an automatic Rhodiola rosea harvesting device. Background Technology

[0002] Rhodiola rosea, a traditional Chinese medicine, refers to the dried root and rhizome of Rhodiola rosea, a plant in the Crassulaceae family. It is harvested in autumn after the flower stalks have withered, the outer bark is removed, it is washed, and then dried. The rhizome is used medicinally, possessing functions such as nourishing the heart and calming the mind, promoting blood circulation and removing blood stasis, stopping bleeding, and clearing heat and detoxifying. It is mainly used for qi deficiency and blood stasis, chest pain, hemiplegia due to stroke, fatigue, and shortness of breath. The rhizome of Rhodiola rosea is cylindrical, short, thick, and slightly curved, with a few branches.

[0003] After maturity, the current harvesting method is all done manually, which involves digging with tools. During the digging process, it is necessary to first clear away the withered stems and leaves above the ground, because the dividing point between the rhizome and branches of Rhodiola rosea is basically located on the soil surface. Then, dig 30-40 cm deep around the rhizome to avoid damaging the main root. Afterward, turn over the soil along with the Rhodiola rosea rhizome. Finally, the harvest is completed by picking it up manually. This process requires a lot of manpower and resources. Not only do tools need to be used to cut or separate the Rhodiola rosea rhizome from the withered stems and leaves, but manual digging and picking are also required. It is time-consuming, labor-intensive, inefficient, and generates high labor costs. Summary of the Invention

[0004] Based on this, this application provides an automatic harvesting device for Rhodiola rosea to solve the technical problems of high cost and low efficiency caused by relying on manual harvesting in the prior art.

[0005] The technical solution to the above-mentioned technical problems in this application is as follows:

[0006] An automatic harvesting device for Rhodiola rosea includes:

[0007] Excavation component, used to attach to a tractor to dig out the rhodiola rhizome from the soil;

[0008] A cleaning component, disposed on the digging component, is used to remove Rhodiola rosea branches and leaves from the Rhodiola rosea rhizome;

[0009] A separation component, disposed on the excavation component, is used to separate the soil from the Rhodiola rosea rhizome;

[0010] A collection component is disposed on the excavation component and located on the output side of the separation component, for collecting Rhodiola rosea rhizomes.

[0011] Preferably, the digging component includes a traction frame and digging teeth disposed at the front end of the traction frame. The digging teeth are disposed at an angle from front to back in the traction frame, with the front end being the lowest point. The separation component is disposed in the traction frame and located behind the digging teeth.

[0012] Preferably, the cleaning assembly includes an adjustment unit and a swing arm, the swing arm rotating on the digging assembly, the front end of the swing arm being rotatably connected to a rotating roller with its axis horizontal and perpendicular to the forward direction, the rotating roller being provided with a slapping part, the rotating roller being driven to rotate by a motor provided on the swing arm, and the adjustment unit being provided on the digging assembly for driving the swing arm to rotate and adjust the height of the slapping part.

[0013] Preferably, the adjustment part includes two rotating sleeves and a telescopic rod disposed between the two rotating sleeves, and the two rotating sleeves are respectively rotatably connected to the swing arm and the digging assembly.

[0014] Preferably, the striking part includes a sleeve fitted on the rotating roller, and a plurality of elastic rods are provided on the outer wall of the sleeve, with the ends of the elastic rods being spherical.

[0015] Preferably, the roller has a groove along its length, and the inner wall of the sleeve has a protruding ridge that can be inserted into the groove, with both ends of the groove open.

[0016] Preferably, the separation component includes a conveying section disposed in the traction frame, the conveying section having a hollow center for sieving soil and Rhodiola rosea rhizomes.

[0017] Preferably, the conveying unit includes two sets of driving units disposed on the inner wall of the traction frame. Each set of driving units includes two gears arranged one in front of the other, a toothed belt sleeved between the two gears, and a plurality of evenly spaced crossbeams disposed between the two toothed belts. One of the gears is driven to rotate by a motor disposed on the traction frame.

[0018] Preferably, the collection component includes a collection basket, the bottom and side walls of which are provided with sieve holes, and the collection basket is disposed on the digging component.

[0019] Preferably, the digging component further includes a limiting part, and the collecting component is detachably connected to the digging component, the limiting part being used to restrict the collecting component on the digging component.

[0020] Compared with the prior art, this application has at least the following advantages:

[0021] This application provides an automatic harvesting device for Rhodiola rosea. A digging component is connected to a tractor-driven agricultural machine. The tractor-driven machine moves the digging component to the planting area, where it digs into the soil. As the tractor-driven machine moves forward, it simultaneously moves a clearing component, positioning the clearing component in front of the digging component and above the ground surface. This clearing component, while in contact with the ground, treats the withered stems and leaves, separating them from the underground rhodiola rosea roots and stems. The digging component then scoops up the soil and roots together, and the separation component separates the soil from the roots and stems. The rhizomes are separated and moved to the collection component by the separation component for centralized collection. This enables the automated harvesting process of Rhodiola rosea, eliminating the need for manual separation of rhizomes from withered stems and leaves during harvesting, as well as manual picking. The design of the cleaning component automates the separation of rhizomes from withered stems and leaves. The separation and collection components screen and collect the soil and rhizomes, thus automating the separation of withered stems and leaves, the digging of rhizomes, and the collection of rhizomes. This reduces manual intervention, lowers labor costs, and improves harvesting efficiency. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the automatic harvesting device for Rhodiola rosea in this application;

[0023] Figure 2 This is a schematic diagram of the automatic harvesting device for Rhodiola rosea from another direction, as described in this application.

[0024] Figure 3 This is a schematic diagram of the traction frame of this application;

[0025] Figure 4 This is a schematic diagram of the swing arm of this application;

[0026] Figure 5 This is a schematic diagram of the elastic rod in this application;

[0027] Figure 6 This is a schematic diagram of the rollers in this application;

[0028] Figure 7 This is a schematic diagram of the transmission section of this application;

[0029] Figure 8 This is a schematic diagram of the basket in this application.

[0030] In the diagram: traction frame 110; digging teeth 120; roller 130; vertical rod 140; nut 150; swing arm 210; rotating roller 220; groove 230; sleeve 240; protruding rib 250; elastic rod 260; side ring 270; rotating sleeve 280; telescopic rod 290; gear 310; toothed belt 320; crossbeam 330; rotating shaft 340; central basket 410; boom 420. Detailed Implementation

[0031] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings. Preferred embodiments of this application are shown in the drawings. However, this application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this application.

[0032] It should be noted that when an element is referred to as being "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," "top," "bottom," "end," "top," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of this application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0034] Please refer to Figures 1 to 8 In one specific embodiment of this application,

[0035] An automatic harvesting device for Rhodiola rosea includes:

[0036] Excavation component, used to attach to a tractor to dig out the rhodiola rhizome from the soil;

[0037] A cleaning component, disposed on the digging component, is used to remove Rhodiola rosea branches and leaves from the Rhodiola rosea rhizome;

[0038] A separation component, disposed on the excavation component, is used to separate the soil from the Rhodiola rosea rhizome;

[0039] A collection component is disposed on the excavation component and located on the output side of the separation component, for collecting Rhodiola rosea rhizomes.

[0040] The digging components can be buckets, shovels, or other devices and facilities capable of digging up Rhodiola rosea rhizomes. The cleaning components can be scrapers, knives, or other devices and facilities capable of cutting and chopping withered stems and leaves. The separating components can be sieves, sieve plates, or other devices and facilities capable of separating the soil from the Rhodiola rosea rhizomes. The collecting components can be baskets, buckets, or other devices and containers capable of collecting and concentrating the Rhodiola rosea rhizomes.

[0041] During use, the digging component is attached to a towing machine, such as a tractor or pulley. The towing machine then moves the digging component to the planting area, and the digging machine drives the digging component to dig into the soil. The digging depth is controlled at 30-40 cm. Alternatively, a section can be manually dug beforehand to determine the depth of the Rhodiola rosea rhizome and adjust the digging depth accordingly. As the towing machine moves forward, the digging component moves along with the clearing component, ensuring that the clearing component is in front of the digging component and above the ground, in close contact with the soil surface. The process involves treating the withered stems and leaves to separate them from the roots and stems below the ground. Then, the digging component scoops up the soil and roots together, bringing the soil mixed with the roots and stems into the processing range of the separation component. The separation component separates the soil from the roots and stems, with the soil passing through the separation component and falling back to the ground, while the roots and stems remain on the separation component and move with it to the collection component for collection. The separation component can utilize the vibration generated by the operation of the tractor itself to enhance the shaking effect on the soil and roots and stems, making the separation of soil and roots and stems more thorough.

[0042] The above method enables automated harvesting of Rhodiola rosea, eliminating the need for manual separation of rhizomes and withered leaves during harvesting, as well as manual picking. The design of the cleaning components automates the separation of rhizomes and withered leaves, while the separation and collection components screen and collect the soil and rhizomes. This automates the separation of withered leaves, digging of rhizomes, and collection of rhizomes, reducing manual intervention, lowering labor costs, and improving harvesting efficiency.

[0043] Specifically, an embodiment of the mining component in the above process is provided:

[0044] The digging assembly includes a traction frame 110 and digging teeth 120 disposed at the front end of the traction frame 110. The digging teeth 120 are disposed at an angle from front to back on the traction frame 110, with the front end being the lowest end. The separation assembly is disposed on the traction frame 110 and located behind the digging teeth 120.

[0045] The front end of the towing frame 110 is connected to the towing agricultural machinery, and the rear end of the towing frame 110 is also equipped with a roller 130, which can support the rolling on the ground, so that the towing agricultural machinery drives the towing frame 110 to move forward. The towing agricultural machinery drives the towing frame 110 to descend, so that the digging teeth 120 at the front end of the towing frame 110 shovel into the soil. As the towing agricultural machinery moves forward, the digging teeth 120 dig out the soil and the roots in the soil. The tilted state of the digging teeth 120 causes the soil and roots to move toward the separation component, thereby guiding them to the separation component for separation.

[0046] The above method can replace manual labor in practical applications, achieving automatic digging of roots and stems in the soil, improving digging efficiency, and eliminating the need for manual digging with tools.

[0047] Specifically, an embodiment of the cleanup component in the above process is provided:

[0048] The cleaning assembly includes an adjustment unit and a swing arm 210. The swing arm 210 rotates on the digging assembly. A rotating roller 220 with its axis horizontal and perpendicular to the forward direction is rotatably connected to the front end of the swing arm 210. A slapping part is provided on the rotating roller 220. The rotating roller 220 is driven to rotate by a motor provided on the swing arm 210. The adjustment unit is provided on the digging assembly and is used to drive the swing arm 210 to rotate and adjust the height of the slapping part.

[0049] The adjusting part can be an electric telescopic rod, or a device or facility that can drive the swing arm 210 to rotate. The beating part can be a toothed sleeve, a rake, or a device or facility that can follow the rotation of the roller 220 to crush the withered stems and leaves.

[0050] During use, the rotating roller 220 is driven by a motor to rotate, which in turn causes the beating part to rotate along the axis of the roller 220. The direction of rotation is such that when the beating part acts on the withered stems and leaves, it breaks them up and causes the withered stems and leaves to fly forward (that is, it beats the withered stems and leaves in the direction of the traction machinery). Then, the adjusting part drives the swing arm 210 to rotate, which changes the distance between the rotating roller 220 at the end of the swing arm 210 and the ground surface. After the digging component is inserted into the soil, the height of the beating part is adjusted so that when the beating part rotates with the rotating roller 220, the lowest point of the beating part can pass over the ground surface to break up the withered stems and leaves, separating the withered stems and leaves from the roots and stems in the soil.

[0051] Through the above process, the rootstock and withered stems and leaves can be automatically separated during use, eliminating the need for manual tools, saving manpower, and achieving automated cleaning through mechanization, reducing manual intervention and lowering the labor cost of separating withered stems and leaves from the rootstock, thus improving efficiency.

[0052] Specifically, an embodiment of the adjustment unit in the above process is provided:

[0053] The adjustment unit includes two rotating sleeves 280 and a telescopic rod 290 disposed between the two rotating sleeves 280. The two rotating sleeves 280 are respectively rotatably connected to the swing arm 210 and the digging assembly.

[0054] by Figure 1 For example, as shown in the figure, the two rotating sleeves 280 are rotatably connected to the outer wall of the swing arm 210 and the traction frame 110, respectively. That is to say, when the telescopic rod 290 extends or retracts, the distance between the two rotating sleeves 280 can be changed, while the position of the rotating sleeve 280 connected to the traction frame 110 will not be displaced. Therefore, the rotating sleeve 280 at the other end of the telescopic rod 290 will be displaced with the rotation of the swing arm 210, thereby satisfying the extension and retraction process of the telescopic rod 290. When the telescopic rod 290 extends, the distance between the two rotating sleeves 280 can be increased. This process can cause the swing arm 210 to rotate upward. At this time, the rotating roller 220 at the end of the swing arm 210 will move away from the ground and the height will increase. Conversely, when the telescopic rod 290 retracts, the rotating roller 220 will descend and approach the ground. The telescopic rod 290 here can be made of components such as hydraulic cylinders and air cylinders.

[0055] In the above manner, during the harvesting of Rhodiola rosea, the distance between the rotating roller 220 driving the beating part and the digging teeth 120 is adjusted. Thus, when the digging teeth 120 change the depth into the soil, the height of the beating part is adjusted accordingly, so that the beating part can contact the ground surface to separate the withered stems and leaves.

[0056] Specifically, an embodiment of the tapping part in the above process is provided:

[0057] The striking part includes a sleeve 240 sleeved on the rotating roller 220. A plurality of elastic rods 260 are provided on the outer wall of the sleeve 240, and the ends of the elastic rods 260 are spherical.

[0058] The elastic rods 260 can be made of wear-resistant rubber or elastic metal. When the roller 220 rotates, it drives the sleeve 240 to rotate together, causing several elastic rods 260 to rotate around the axis of the roller 220. The centrifugal force generated causes the spherical structure at the end of the elastic rods 260 to beat the withered stems and leaves, thereby breaking them up and separating them from the roots in the soil. The elastic rods 260 can use their own elasticity to undergo adaptive elastic deformation when they come into contact with the ground or expose roots with a relatively hard surface texture, thereby breaking up the softer withered stems and leaves without damaging the roots or the soil or rocks.

[0059] By means of the above method, the rotation of the roller 220 can be used to break up the withered stems and leaves when the elastic rod 260 moves quickly, thus achieving the effect of separating the withered stems and leaves from the roots and stems.

[0060] Furthermore, the roller 220 has a groove 230 along its length, and the inner wall of the sleeve 240 has a protruding rib 250 that can be embedded in the groove 230, with both ends of the groove 230 open.

[0061] When the elastic rod 260 wears out after prolonged use or requires maintenance, the sleeve 240 can be pulled along the axial direction of the roller 220 to slide the protrusion 250 out of the groove 230, thereby separating the sleeve 240 from the roller 220. Conversely, the sleeve 240 can be installed after maintenance or replacement. After installation, the two side rings 270 can be installed from the sides of the roller 220 to cover the ends of the groove 230. They can be fixed by welding or bolts, so that the side rings 270 restrict the sleeve 240 from the side and prevent the sleeve 240 from sliding during use.

[0062] Specifically, an embodiment of the separation component in the above process is provided:

[0063] The separation component includes a conveying section disposed on the traction frame 110, the conveying section having a hollow center for sieving soil and Rhodiola rosea rhizomes.

[0064] The conveying unit can be a conveyor belt or other devices and facilities capable of transporting soil and rhizomes. It has holes at the contact points between the soil and rhizomes to achieve a perforated effect, which can screen the rhizomes and soil. When the digging teeth 120 scoop up the soil and rhizomes, the soil and rhizomes are transported by the conveying unit and screened during the transport process. The separated rhizomes are transported to the collection component for collection, while the soil falls back into the ground.

[0065] Specifically, an embodiment is provided for the transmission unit in the above process:

[0066] The transmission unit includes two sets of drive units disposed on the inner wall of the traction frame 110. Each set of drive units includes two gears 310 arranged one in front of the other. A toothed belt 320 is sleeved between the two gears 310. Several evenly spaced crossbeams 330 are disposed between the two toothed belts 320. One of the gears 310 is driven to rotate by a motor disposed on the traction frame 110.

[0067] In each drive unit, two gears 310 are arranged front to back and rotatably connected to the inner wall of the traction frame 110 on the same side. That is, two gears 310 are rotatably connected to the inner walls of both sides of the traction frame 110, and a rotating shaft 340 is fixed between each of the two gears 310 on the same side, achieving synchronous rotation of the two gears 310 on the same side. Figure 7 The gear 310 rotates clockwise. When the gear 310 rotates, it meshes and drives the toothed belt 320 to move. This causes the toothed belt 320 to drive several crossbeams 330 to move along the track of the toothed belt 320. The gap between each pair of adjacent crossbeams 330 can screen the soil and prevent the roots from falling in. The gap is smaller than the diameter of the roots. When the soil and roots scooped up by the digging teeth 120 move together to the crossbeams 330, as the crossbeams 330 move backward in a cycle, the screened roots can be transported to the collection component, while the soil falls back to the ground through the gap between the crossbeams 330. In other words, when screening the soil and Rhodiola rosea, it is not necessary to consider whether the very thin parts of the roots can be screened out, because the roots that are too thin have little utilization value. Therefore, it is only necessary to screen out most of the Rhodiola rosea with thicker roots. On the other hand, when screening the soil and Rhodiola rosea, the vibration of the traction equipment and the vibration generated by the rollers 130 at the lower end of the traction frame 110 moving and bumping in the ground are used to increase the force and amplitude of the soil and Rhodiola rosea being shaken on several crossbeams 330. Moreover, by utilizing the spacing between several crossbeams 330, the shaking soil can be "collided" during the movement of several crossbeams 330, so that several crossbeams 330 can scatter the soil, thereby ensuring that thorough screening can be carried out.

[0068] The above method enables the sieving of soil and rhizomes, thereby separating the rhizomes from the soil and transporting them to the collection unit to complete the automatic harvesting process of the rhizomes.

[0069] Specifically, an embodiment of the collection component in the above process is provided:

[0070] The collection component includes a collection basket 410, which has sieve holes on its bottom and side walls, and is disposed on the digging component.

[0071] As the conveying unit completes the separation of soil and rhizomes, it transports the separated rhizomes from the rear into the collection basket 410. The collection basket 410 collects the rhizomes. To improve the separation effect of rhizomes and soil, the sieve holes on the collection basket 410 vibrate along with the vibration generated by the digging component during use, causing the rhizomes in the collection basket 410 to shake. This gradually shakes off the soil attached to the rhizomes, using the collision and compression between the rhizomes to shake off the surface soil, improving the cleanliness of the collected rhizomes and reducing the amount of soil attached.

[0072] Furthermore, the excavation component also includes a limiting part, and the collection component is detachably connected to the excavation component. The limiting part is used to restrict the collection component on the excavation component.

[0073] The limiting part includes a vertical rod 140 formed on the rear side wall of the traction frame 110. The vertical rod 140 has a thread on its upper side and is connected to a nut 150. The side wall of the collection basket 410 is provided with a lifting arm 420. The lifting arm 420 has a round hole that can be fitted onto the vertical rod 140. Before harvesting Rhodiola rosea, the nut 150 is unscrewed, and then the lifting arm 420 is fitted onto the vertical rod 140, so that the collection basket 410 is placed on the traction frame 110. Then the nut 150 is screwed into the vertical rod 140, and the nut is used to press the lifting arm 420 onto the traction frame 110 to complete the installation. During the harvesting process, the rhizomes can be collected into the collection basket 410. When the collection basket 410 is full, the above operation can be repeated. The collection basket 410 can be replaced or the collection basket 410 can be disassembled and the rhizomes poured out. The collection basket 410 can then be reused until the harvest is completed.

[0074] The above embodiments merely illustrate several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. An automatic harvesting device for Rhodiola rosea, characterized in that, include: Excavation component, used to attach to a tractor to dig out the rhodiola rhizome from the soil; A cleaning component, disposed on the digging component, is used to remove Rhodiola rosea branches and leaves from the Rhodiola rosea rhizome; A separation component, disposed on the excavation component, is used to separate the soil from the Rhodiola rosea rhizome; A collection component is disposed on the excavation component and located on the output side of the separation component, for collecting Rhodiola rosea rhizomes; The cleaning assembly includes an adjustment unit and a swing arm. The swing arm rotates on the digging assembly. A rotating roller with a horizontal axis and perpendicular to the forward direction is rotatably connected to the front end of the swing arm. A slapping part is provided on the rotating roller. The rotating roller is driven to rotate by a motor provided on the swing arm. The adjustment unit is provided on the digging assembly and is used to drive the swing arm to rotate and adjust the height of the slapping part.

2. The automatic harvesting device for Rhodiola rosea as described in claim 1, characterized in that, The digging assembly includes a traction frame and digging teeth disposed at the front end of the traction frame. The digging teeth are disposed at an angle from front to back in the traction frame, with the front end being the lowest point. The separation assembly is disposed in the traction frame and located behind the digging teeth.

3. The automatic harvesting device for Rhodiola rosea as described in claim 1, characterized in that, The adjustment unit includes two rotating sleeves and a telescopic rod disposed between the two rotating sleeves. The two rotating sleeves are respectively rotatably connected to the swing arm and the digging assembly.

4. The automatic harvesting device for Rhodiola rosea as described in claim 1, characterized in that, The striking part includes a sleeve fitted on the rotating roller, and a plurality of elastic rods are provided on the outer wall of the sleeve, with the ends of the elastic rods being spherical.

5. The automatic harvesting device for Rhodiola rosea as described in claim 4, characterized in that, The roller has a groove along its length, and the inner wall of the sleeve has a protruding ridge that can be inserted into the groove. The groove is open at both ends.

6. The automatic harvesting device for Rhodiola rosea as described in claim 2, characterized in that, The separation component includes a conveying section disposed in the traction frame, the conveying section having a hollow center for sieving soil and Rhodiola rosea rhizomes.

7. The automatic harvesting device for Rhodiola rosea as described in claim 6, characterized in that, The transmission unit includes two sets of drive units disposed on the inner wall of the traction frame. Each set of drive units includes two gears arranged one in front of the other, a toothed belt sleeved between the two gears, and several evenly spaced crossbeams disposed between the two toothed belts. One of the gears is driven to rotate by a motor disposed on the traction frame.

8. The automatic harvesting device for Rhodiola rosea as described in claim 7, characterized in that, The collection component includes a collection basket, the bottom and side walls of which are provided with sieve holes, and the collection basket is disposed on the digging component.

9. The automatic harvesting device for Rhodiola rosea as described in claim 1, characterized in that, The excavation component further includes a limiting part, and the collection component is detachably connected to the excavation component. The limiting part is used to restrict the collection component on the excavation component.

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