Ampullaria gigas egg trapping and killing device

Abstract

The utility model relates to a pomacea canaliculata egg trapping and killing device which comprises a trapping rod, a scraping sleeve and an anchoring rod, the trapping rod is made of hard materials on which pomacea canaliculata prefers to lay eggs, the scraping sleeve is sleeved on the trapping rod in a sliding mode, the top end of the trapping rod is connected with a handheld cross rod, handles convenient to hold by two hands are symmetrically arranged on the left side and the right side of the scraping sleeve, and the anchoring rod is fixedly connected with the scraping sleeve. The lower end of the trapping rod is detachably connected with the top end of the anchoring rod, and the lower end of the anchoring rod is provided with a pointed end which can be conveniently inserted into soil. The device has the advantages that the trapping rods can induce the ampullaria gigas to climb and spawn, so that the situation that the ampullaria gigas spawns on a quay wall or an aquatic plant stem is reduced; the scraping sleeve is slidably arranged on the trapping rod in a sleeving mode, and when many egg masses are trapped on the trapping rod, the scraping sleeve can be directly pushed downwards to scrape the egg masses to the shore or the collecting barrel to be killed; the anchoring rod can be conveniently inserted into soil, and when the trapping rod or the anchoring rod is damaged, the trapping rod or the anchoring rod can be correspondingly detached and replaced. The device is relatively simple in structure and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of environmental protection and harmful organism disposal, concretely relates to apple snail egg collection and killing device. BACKGROUND

[0002] Apple snail, originally a South American aquatic organism, has become a headache alien invasive species after being introduced into China. They not only cause serious damage to agriculture and ecological system, but also pose a threat to human health. The harm to agriculture is mainly because they feed on a large number of rice seedlings, leading to a decrease in rice production, and they also harm crops such as water bamboo, water caltrop, arrowhead, swamp cabbage, and gourd. The impact on the ecology is mainly that they compete with local snails, leading to a decrease or even disappearance of local snails. In addition, in urban park water bodies or other water landscape, apple snails will also lay eggs on the surface of landscape plants, ditch slopes, bridge and culvert buildings, etc. The egg mass is bright red, dense, and lasts for a long time, which is easy to cause psychological discomfort to residents and tourists.

[0003] Every year from April to October is the peak period of apple snail egg laying and hatching. Once the apple snail egg mass is laid on aquatic plants or shore walls, it is more troublesome to clean up, and tools such as scrapers and spades are needed to scrape off. If the egg mass is laid in the gaps of the shore wall or on the relatively soft stems and leaves of plants, it is difficult to effectively remove even with tools. Therefore, it is necessary to provide a special device for inducing apple snails to lay eggs on it, so as to facilitate the centralized and efficient removal of the egg mass. It has been found through research that apple snails particularly like to lay eggs on bamboo strips or bamboo poles, so a collection and killing device based on bamboo strips can be developed. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a kind of apple snail egg collection and killing device, to overcome the current lack of effective for the apple snail egg laying is induced to kill equipment.

[0005] The utility model solves the technical problem of the above-mentioned technical scheme as follows: an apple snail collection and killing device, which includes a collection rod, a scraping sleeve and an anchoring rod. The collection rod is made of a hard material preferred by apple snails for laying eggs. The scraping sleeve is slidably fitted on the collection rod. The top end of the collection rod is connected to a handheld crossbar. When the scraping sleeve is moved close to the handheld crossbar, it is positioned by a positioning assembly. Handles for holding with both hands are symmetrically arranged on the left and right sides of the scraping sleeve. The lower end of the collection rod is detachably connected to the top end of the anchoring rod. The lower end of the anchoring rod is provided with a sharp tip for easy insertion into the soil.

[0006] Based on the above-mentioned technical scheme, the utility model can also be improved as follows.

[0007] Further, the collection rod is a bamboo strip or a wooden strip with a rectangular cross-section.

[0008] Further, the bamboo or wood strip has a length of 80-120 cm, a width of 5-9 cm and a thickness of 0.8-1.5 cm.

[0009] Further, the bamboo or wood strip is provided with a fixing socket on the side wall near the lower end, the anchoring rod is provided with a mounting port for inserting the lower end of the bamboo or wood strip, and a hand screw bolt is threadedly connected to one side of the upper end of the anchoring rod, and when the hand screw bolt is tightened, one end is clamped into the fixing socket to fix the lower end of the bamboo or wood strip to the upper end of the anchoring rod.

[0010] Further, the attracting rod is a round wood rod or a round bamboo rod, the diameter of the attracting rod is 4-9 cm, and the lower end of the attracting rod is detachably connected to the upper end of the anchoring rod through a bolt, a steel wire or a hemp rope.

[0011] Further, the total length of the anchoring rod is adjustable, the anchoring rod comprises a rectangular connecting sleeve, a screw rod and a screw cylinder, the rectangular connecting sleeve is fixed to the top end of the screw rod and is provided with a mounting port for inserting and fixing the lower end of the attracting rod, the lower end of the screw rod is threadedly connected to the upper end of the screw cylinder, and the lower end of the screw cylinder is provided with a conical sharp head.

[0012] Further, the anchoring rod further comprises a cylindrical sleeve, the cylindrical sleeve is arranged outside the screw rod and the upper end of the cylindrical sleeve is fixedly connected to the bottom of the rectangular connecting sleeve.

[0013] Further, the anchoring rod is made of hard plastic or stainless steel.

[0014] Further, the positioning assembly comprises a pull rope, a pull ring and a hanging column, one end of the pull rope is fixedly connected to the handle, the other end is connected to the pull ring, the hanging column is fixed to the hand-held horizontal rod, when the scraping sleeve is slid upward to be close to the hand-held horizontal rod, the pull ring can be hung on the hanging column to keep the scraping sleeve positioned on the top of the attracting rod.

[0015] Further, the scraping sleeve is slidably connected to the attracting rod through a ring sleeve made of polytetrafluoroethylene, and the lower end surface of the scraping sleeve is provided with an outwardly expanding protective cover in a horn shape.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] The apple snail trapping and killing device has a trapping rod, a scraping sleeve and an anchoring rod, the trapping rod is made of a hard material (such as bamboo or wood) preferred by apple snails for laying eggs, can induce apple snails to climb and lay eggs, thereby reducing the egg-laying of apple snails on a shore wall or aquatic plant stems, and facilitating subsequent direct scraping and killing treatment by using the scraping sleeve; the scraping sleeve is slidingly sleeved on the trapping rod, when more egg masses are trapped on the trapping rod, the scraping sleeve can be directly pushed downward to scrape the egg masses to the shore or a collecting barrel for killing; the anchoring rod is located at the lowermost end of the trapping rod and detachably connected with the trapping rod at the upper end, has a sharp head, and is convenient to insert into the soil, when the trapping rod or the anchoring rod is damaged, the anchoring rod can be correspondingly disassembled and replaced. The device has a relatively simple structure, is convenient to use, is relatively sanitary, and avoids direct contact of the hands of a treatment personnel with the egg masses. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A schematic view of the apple snail egg trapping and killing device provided by the utility model is shown in the figure.

[0019] Figure 2 A Figure 1 An exploded view of the apple snail egg trapping and killing device shown in the figure.

[0020] Figure 3 A Figure 2 A top view of the scraping sleeve shown in the figure.

[0021] Figure 4 A Figure 2 An isometric view of the trapping rod and the handheld cross rod (the hanging column is not shown) shown in the figure.

[0022] Figure 5 A Figure 2 A top view of the rectangular connecting sleeve and the cylindrical sleeve shown in the figure.

[0023] In the drawings, the components represented by the respective reference numerals are listed as follows:

[0024] 1, trapping rod; 2, scraping sleeve; 3, anchoring rod; 4, handheld cross rod; 5, handle; 6, fixed bayonet; 7, mounting port; 8, hand screw bolt; 9, rectangular connecting sleeve; 10, screw rod; 11, screw cylinder; 12, cylindrical sleeve; 13, pull rope; 14, pull ring; 15, hanging column; 16, protective cover. DETAILED DESCRIPTION

[0025] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and are not used to limit the scope of the utility model.

[0026] In the description of the utility model, if use to "up", "down", "left", "right", "top", "bottom", "inside", "outside" and so on indicate the direction of the terms, its indicated direction or position relation is based on the direction or position relation shown in the drawing, only is for the convenience of describing the utility model and simplifying the description, and is not indicate or imply that the indicated device or element must have a particular direction, construct and operate in a particular direction, therefore cannot be understood as the limitation to the utility model.

[0027] As shown in Figures 1 to 5 The utility model provides a device of collecting and killing apple snails, it includes the collection rod 1, the scraping cover 2 and the anchor rod 3, the collection rod 1 is made of the hard material that apple snail is partial to on it and lays eggs, the scraping cover 2 is slidably covered on the collection rod 1, the top of the collection rod 1 is connected with the handheld crossbar 4, the scraping cover 2 is positioned when sliding to be close to the handheld crossbar 4 by the positioning assembly, the left and right sides of the scraping cover 2 are symmetrically provided with the handle 5 convenient for holding with both hands, the lower end of the collection rod 1 is detachably connected with the top of the anchor rod 3, the lower end of the anchor rod 3 is provided with the sharp head convenient for inserting into the mud.

[0028] It needs to be explained that the existing research has shown that apple snails are partial to laying eggs on bamboo, wood and other materials, so the hard material is preferably bamboo or wood, the anchor rod is inserted into the relatively soft mud at the water edge, and the upper half of the collection rod is generally located above the water surface to facilitate the apple snails to climb up along the collection rod to the water surface and lay eggs on the rod segment above the water surface of the collection rod. When the collection rod is in the collection state, the scraping cover is located at the top of the collection rod and close to the handheld crossbar, the scraping cover has a certain effect of preventing the apple snails from continuing to climb up, avoiding the apple snails laying eggs on the handheld crossbar and being inconvenient to handle. Therefore, the scraping cover is preferably made of a material that apple snails do not like or is relatively smooth itself, so as to achieve the blocking effect.

[0029] In an embodiment of the utility model, the collection rod 1 is a bamboo strip or a wood strip with a rectangular cross section. Preferably, the length of the bamboo strip or the wood strip is 80-120 cm, the width is 5-9 cm, and the thickness is 0.8-1.5 cm.

[0030] It needs to be explained that the width of the bamboo strip or the wood strip is preferably as wide as possible, and is best close to 9 cm, so as to provide as many positions as possible for the apple snails to lay eggs.

[0031] In an embodiment of the utility model, the side wall of the bamboo strip or the wood strip close to the lower end is provided with a fixed clamping hole 6, the upper end of the anchor rod 3 is provided with a mounting hole 7 for inserting the lower end of the bamboo strip or the wood strip, and a hand screw bolt 8 is threadedly connected to one side of the upper end of the anchor rod 3. When the hand screw bolt 8 is tightened, one end is clamped into the fixed clamping hole 6 to fixedly connect the lower end of the bamboo strip or the wood strip with the upper end of the anchor rod 3.

[0032] It can be understood that the size of the mounting hole should be comparable to the size of the bamboo or wood strip, so that the bamboo or wood strip can be better fixed in the mounting hole when the hand bolt is tightened, avoiding shaking. The depth of the mounting hole is preferably 3-4 cm.

[0033] In an embodiment of the present application, the attracting rod 1 is a round wood rod or a round bamboo rod, the diameter of the attracting rod 1 is 4-9 cm, and the lower end of the attracting rod 1 is detachably connected to the upper end of the anchoring rod 3 through a bolt, a steel wire or a hemp rope.

[0034] It should be noted that when the connection is achieved by a steel wire or a hemp rope, a through hole or a protruding column for fixing the steel wire or the hemp rope can be respectively provided on the attracting rod and the anchoring rod.

[0035] In an embodiment of the present application, the total length of the anchoring rod 3 is adjustable, including a rectangular connecting sleeve 9, a screw rod 10 and a screw cylinder 11, the rectangular connecting sleeve 9 is fixed to the top end of the screw rod 10 and is provided with a mounting hole 7 for inserting and fixing the lower end of the attracting rod 1, the lower end of the screw rod 10 is threadedly connected to the upper end of the screw cylinder 11, and the lower end of the screw cylinder 11 is provided with a conical sharp head.

[0036] It can be understood that the adjustment of the total length of the anchoring rod can be achieved by the relative rotation of the screw cylinder and the screw rod, and the adjustment of the length facilitates the change of the length of the upper part of the attracting rod extending out of the water surface.

[0037] In an embodiment of the present application, the anchoring rod 3 further includes a cylindrical sleeve 12, the cylindrical sleeve 12 covers the outside of the screw rod 10, and the upper end of the cylindrical sleeve 12 is fixedly connected to the bottom of the rectangular connecting sleeve 9.

[0038] It should be noted that the cylindrical sleeve can appropriately shield the screw rod, avoiding the adverse effect of the screw rod segment in water on the upward climbing of the golden apple snail, and the cylindrical sleeve itself can be made of bamboo or wood, or bamboo or wood pieces can be attached to the outer surface to induce the golden apple snail to climb.

[0039] In an embodiment of the present application, the anchoring rod 3 is made of hard plastic or stainless steel.

[0040] It should be noted that the anchoring rod made of hard plastic or stainless steel has higher strength and density than bamboo or wood, so it can be better inserted into the soil, and it is relatively heavy, so the attracting rod above it is relatively more stable after being inserted into the soil, and is not easy to be tilted and tilted by water waves or wind.

[0041] In an embodiment of the utility model, the positioning assembly includes a pull rope 13, a pull ring 14 and a hanging column 15, one end of the pull rope 13 is fixedly connected with the handle 5, the other end is connected with the pull ring 14, the hanging column 15 is fixed on the handheld cross bar 4, when the scraping sleeve 2 is slid upward to be close to the handheld cross bar 4, the pull ring 14 can be hung on the hanging column 15 to make the scraping sleeve 2 keep being positioned on the top of the trapping rod 1.

[0042] It can be understood that the pull rope can be an elastic rope, so that the length does not need to be adjusted during positioning, and the scraping sleeve can be positioned by being directly stretched and hung on the hanging column, the pull rope and the pull ring are preferably provided in two sets, as shown in Figure 1 And Figure 2 As shown.

[0043] In an embodiment of the utility model, the scraping sleeve 2 is slidably connected with the trapping rod 1 through a loop sleeve made of polytetrafluoroethylene, and the lower end surface of the scraping sleeve 2 is provided with a protective cover 16 outwardly expanding in a horn shape.

[0044] It can be understood that, in addition to using the loop sleeve, the scraping sleeve can also be entirely made of polytetrafluoroethylene, which is smooth and wear-resistant, not only ensuring better sliding effect, but also being easier to clean; the protective cover can effectively block the apple snail from climbing upward, and can also avoid the egg plasma from splashing to the handle when the egg block is scraped.

[0045] The above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An apparatus for the collection and destruction of apple snail eggs, characterized in that, The utility model provides an apple snail egg collection device, including the attraction rod (1), the scraping cover (2) and the anchoring rod (3), the attraction rod (1) is made of the hard material that apple snail egg is partial to on it lays eggs, the scraping cover (2) is slidably sleeved on the attraction rod (1), the top end of the attraction rod (1) is connected with the hand-held crossbar (4), the scraping cover (2) is positioned when sliding to near the hand-held crossbar (4) by positioning assembly, the left and right sides of the scraping cover (2) are symmetrically equipped with the handle (5) that facilitates two hands to hold, the lower end of the attraction rod (1) is detachably connected with the top end of the anchoring rod (3), the lower end of the anchoring rod (3) is provided with the sharp head that facilitates to insert into the soil.

2. The device according to claim 1, wherein The attraction rod (1) is a bamboo strip or a wooden strip with a rectangular cross section.

3. The device according to claim 2, wherein the device is characterized by, The length of the bamboo strip or the wooden strip is 80-120 cm, the width is 5-9 cm, and the thickness is 0.8-1.5 cm.

4. The device according to claim 3, wherein the device is characterized by, A fixing socket (6) is arranged on the side wall of the bamboo strip or the wooden strip near the lower end, the upper end of the anchoring rod (3) is provided with a mounting port (7) for inserting the lower end of the bamboo strip or the wooden strip, a hand screw bolt (8) is threadedly connected to one side of the upper end of the anchoring rod (3), and when the hand screw bolt (8) is tightened, one end is clamped into the fixing socket (6) to fix the lower end of the bamboo strip or the wooden strip to the upper end of the anchoring rod (3).

5. The device of claim 1, wherein the device is a device for trapping and killing the eggs of the apple snail. The attraction rod (1) is a round wooden rod or a round bamboo rod, the diameter of the attraction rod (1) is 4-9 cm, and the lower end of the attraction rod (1) is detachably connected to the upper end of the anchoring rod (3) through a bolt, a steel wire, or a hemp rope.

6. The device of claim 1, wherein the device is a device for trapping and killing the eggs of the apple snail. The total length of the anchoring rod (3) is adjustable, and the anchoring rod (3) comprises a rectangular connecting sleeve (9), a screw rod (10), and a screw cylinder (11), the rectangular connecting sleeve (9) is fixed to the top end of the screw rod (10) and is provided with a mounting port (7) for inserting and fixing the lower end of the attraction rod (1), the lower end of the screw rod (10) is threadedly connected to the upper end of the screw cylinder (11), and the lower end of the screw cylinder (11) is provided in a conical sharp shape.

7. The device according to claim 6, wherein the device is characterized by: The anchoring rod (3) further comprises a cylindrical sleeve (12), the cylindrical sleeve (12) covers the screw rod (10) and the upper end of the cylindrical sleeve (12) is fixedly connected to the bottom of the rectangular connecting sleeve (9).

8. The device according to claim 6, wherein the device is characterized by: The anchoring rod (3) is made of hard plastic or stainless steel.

9. The device of claim 1, wherein the device is configured to be used in a field. The positioning assembly comprises a pull rope (13), a pull ring (14), and a hanging column (15), one end of the pull rope (13) is fixedly connected to the handle (5), the other end is connected to the pull ring (14), the hanging column (15) is fixed to the hand-held crossbar (4), when the scraping cover (2) is slid upward to be close to the hand-held crossbar (4), the pull ring (14) can be hung on the hanging column (15) to keep the scraping cover (2) positioned on the top of the attraction rod (1).

10. The device according to any one of claims 1 to 9, wherein the device is a device for trapping and killing eggs of the apple snail. The scraping cover (2) is slidably connected to the attraction rod (1) through a ring sleeve made of polytetrafluoroethylene, and the periphery of the lower end surface of the scraping cover (2) is provided with a protective cover (16) expanding outward in a horn shape.

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