CN115517230A

CN115517230A - Trapping and killing device for crop pest control

Info

Publication number: CN115517230A
Application number: CN202211227686.9A
Authority: CN
Inventors: 杜文昌
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2022-12-27
Anticipated expiration: 2042-10-09
Also published as: CN115517230B

Abstract

The utility model relates to a crops disease and pest control technical field, a device is trapped and killed in luring of crops disease and pest control is disclosed, including traping the lamp, the week side of traping the lamp articulates there are a plurality of first branches and second branch, first branch and second branch one-to-one, the end connection of the first branch of relative setting and second branch has the mounting bracket, the both ends of mounting bracket are articulated with the tip of first branch and second branch respectively, the pin joint at corresponding first branch both ends, the pin joint line at second branch both ends forms parallelogram structure, detachably is provided with the electric wire netting between two adjacent mounting brackets, the both ends of traping the lamp all are provided with the fixed plate, be provided with the first locking mechanism to first branch location on the fixed plate that is located the top, a plurality of first branch tops and a plurality of second branch below all are provided with waterproof cloth. This application has the size of being convenient for adjust the trapping device, the effect of convenient transportation.

Description

Trapping and killing device for crop pest control

Technical Field

The application relates to the technical field of crop pest control, in particular to a trapping and killing device for crop pest control.

Background

Crop diseases and insect pests are one of the main agricultural disasters, and the crop diseases and insect pests have the characteristics of multiple types, great influence and frequent outbreak of disasters, the occurrence range and the severity of the crop diseases and insect pests cause great loss to economy, particularly agricultural production, and the following types of diseases and insect pests are common to crops: rice planthopper, powdery mildew, corn borer, cotton bollworm and the like are major plant diseases and insect pests which seriously affect agricultural production. Especially, plant crops through the big-arch shelter and just need use the sick and insect device of trapping and killing to administer the insect pest to crops can be better growth, need place a large amount of devices of trapping and killing in the big-arch shelter, carry out sick pest prevention and cure through the device of trapping and killing, the device includes trap lamp and electric wire netting, utilizes the cover to locate the electric wire netting outside the light source and kills the insect pest, in order to reach the purpose of killing the insect pest.

However, in the process of implementing the related technical scheme, at least the following technical problems are found to exist: because need lay a large amount of trapping and killing devices on the very big agricultural place of area, prevent and treat disease and pest better, need carry a large amount of trapping and killing devices and install in the big-arch shelter, in order to improve trapping and killing efficiency, can adopt the trapping and killing device of bulky usually, and the trapping and killing device size is fixed, and leads to the transportation inconvenient.

Disclosure of Invention

This application is through providing a device of trapping and killing of crops disease and pest control, when having solved among the prior art transportation a large amount of devices of trapping and killing to carrying out disease and pest control in the big-arch shelter, owing to trap and kill the device size fixed, lead to the inconvenient problem of transportation, realized being convenient for adjust the size of trapping and killing the device, the device is trapped and killed in convenient transportation.

The application provides a trapping and killing device of crops disease and pest control, including traping the lamp, the week side of traping the lamp articulates there are a plurality of first branch and the second branch of evenly arranging, first branch is close to the upper end of traping the lamp, the lower extreme of traping the lamp is close to the second branch, first branch and second branch one-to-one, and the end connection of the first branch that sets up relatively and second branch has the mounting bracket, the both ends of mounting bracket are articulated with the tip of first branch and second branch respectively, corresponding the pin joint at first branch both ends, the pin joint line at second branch both ends form parallelogram structure, adjacent two detachably is provided with the electric wire netting between the mounting bracket, the both ends of traping the lamp all are provided with the fixed plate, are located the top be provided with the first locking mechanism to first branch location on the fixed plate, it is a plurality of first branch top and a plurality of second branch below all are provided with the waterproof cloth.

Further, first locking mechanical system is including setting up holding ring, rotation on the fixed plate and setting up in the activity ring in the holding ring outside, setting up the locking piece on the activity ring, a plurality of constant head tanks have been seted up on the holding ring, first branch is pegged graft in the constant head tank that corresponds, the locking piece is provided with a plurality ofly, and locking piece and first branch one-to-one, the locking piece is including setting up connecting block on the activity ring, setting up in the locking lever of connecting block one side, when first branch was pegged graft in the constant head tank, first branch up end supported tightly with the locking lever lower terminal surface.

Furthermore, a second locking mechanism is arranged on the fixing plate located below, the structure of the second locking mechanism is consistent with that of the first locking mechanism, and when the second supporting rod is inserted into the positioning groove, the upper end face of the second supporting rod abuts against the lower end face of the locking rod.

Furthermore, the movable ring positioned above and the movable ring positioned below are fixedly connected through a connecting rod.

Furthermore, mounting grooves formed in the height direction are formed in the two sides of the mounting rack, the side walls of the power grid are inserted into the corresponding mounting grooves in a plugging mode, and a fixing mechanism for fixing the power grid is arranged on the mounting rack.

Further, the mounting bracket has been close to the position at top and has been seted up the fixed slot, the both sides of mounting groove all communicate there is a fixed slot, fixed establishment including set up in the fixed slot the flexure strip, set up in the stopper of flexure strip one side, the lower terminal surface of stopper with the electric wire netting butt, two the equal shaping of stopper one side in opposite directions has the inclined plane, and the inclined plane is towards the top of mounting bracket.

Furthermore, be located the top be provided with the pole setting on the fixed plate, the pole setting is located the center of fixed plate, hang in the pole setting and be equipped with a plurality of extension springs, extension spring and first bracing piece one-to-one set up, the other end of extension spring is close to the end fixing of fixed plate with the first bracing piece that corresponds.

Further, the lateral wall of traping the lamp and the position that is close to the bottom are provided with positioning mechanism, positioning mechanism includes a plurality of installation pieces that set up along traping lamp circumference interval, sets up the elastic locating piece on the installation piece, the installation piece sets up with second branch one-to-one, the central symmetry of spacer about the installation piece is provided with two, two the relative both sides wall of spacer all is fixed with the fixture block, second branch joint is between two spacers.

Further, the lateral wall of mounting bracket articulates there is spacing, the below that just is located spacing articulated department on the mounting bracket is provided with the baffle, spacing and baffle butt.

Further, the limiting frame comprises a limiting rod hinged with the mounting frame and a barrier strip arranged at one end of the limiting rod and in an arc shape.

The technical scheme provided in the application at least has the following technical effects or advantages:

1. because set up first branch and second branch in the outside of trapper, through the installation mounting bracket between corresponding first branch and the second branch, form parallelogram structure, when transporting, can turn over first branch and second branch to the one side that is close to the fixed plate, make the contained angle between first branch and the mounting bracket inboard minimum, and then can reduce holistic size greatly, and the electric wire netting that encloses to locate the first branch and the second branch outside can pile up together, convenient transportation, can improve the efficiency of transportation greatly, when needs installation use, turn over first branch and second branch through turning over, make its level place, can make whole frame expand to the biggest, the rethread pegs graft the electric wire netting between two adjacent mounting brackets, can trap the pest through the trapper, through the electric wire netting kill the pest, when effectively having solved in the prior art and transporting a large amount of trapping and killing devices to the big-arch shelter in and carrying out the sick pest, because the trapping and killing device size is fixed, lead to the inconvenient problem of transportation, realized the size of being convenient for adjusting trapping and killing the device, the convenient transportation trapping and killing device.

2. Owing to adopted first locking mechanical system and second locking mechanical system, after first branch and second branch are kept flat horizontally, can be through rotating the loose ring for the locking rod carries out the chucking to first branch and second branch, makes first branch and second branch be difficult for drawing close to the fixed plate, and then can guarantee overall structure's stability after the installation, and then traps the pest steadily.

3. Owing to adopted spacing, so can be after installing the trapping and killing device, through turning over spacing of rolling over for spacing and the up end butt of baffle, spacing and mounting bracket mutually perpendicular can effectively improve the trapping and killing device to staff's security, reduce the possibility that the staff touched the electric wire netting.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

fig. 2 is a schematic view of an overall structure of the waterproof cloth hidden above in the embodiment of the present application;

FIG. 3 is a schematic view of a connection structure of the first and second struts and the mounting frame according to an embodiment of the present disclosure;

FIG. 4 is an enlarged schematic view at A in FIG. 3;

FIG. 5 is an enlarged schematic view at B in FIG. 3;

FIG. 6 is an enlarged schematic view at C of FIG. 2;

FIG. 7 is a schematic view of the entire structure of the trap device after being folded in the embodiment of the present application;

FIG. 8 is an enlarged schematic view at D of FIG. 7;

in the figure: 1. a trap lamp; 11. a first strut; 12. a second support bar; 13. erecting a rod; 14. waterproof cloth; 15. a tension spring; 16. a fixing plate; 2. a mounting frame; 21. mounting grooves; 22. a fixing groove; 3. a power grid; 4. a first locking mechanism; 41. a positioning ring; 411. positioning a groove; 42. a movable ring; 43. a locking member; 431. connecting blocks; 432. a locking lever; 5. a second locking mechanism; 51. a connecting rod; 6. a fixing mechanism; 61. an elastic sheet; 62. a limiting block; 63. lifting the block; 7. a positioning mechanism; 71. mounting blocks; 72. positioning plates; 73. a clamping block; 8. a limiting frame; 81. a limiting rod; 82. blocking strips; 83. a baffle plate; 9. a connecting mechanism; 91. an iron block; 92. and a magnet.

Detailed Description

The embodiment of the application discloses a trapping device for preventing and treating crop diseases and insect pests, install mounting bracket 2 between first branch 11 and the second branch 12 through corresponding, form parallelogram structure, when transporting, can turn over first branch 11 and second branch 12 to one side that is close to the fixed plate, make the contained angle between first branch 11 and the 2 inboard of mounting bracket minimum, and then can reduce holistic size greatly, and enclose and locate electric wire netting 3 in the first branch 11 and the second branch 12 outside together, convenient transportation, can improve the efficiency of transportation greatly, when needs installation use, through turning over first branch 11 and second branch 12, make its level place, can make whole frame expand to the biggest, the rethread pegs graft electric wire netting 3 between two adjacent mounting bracket 2, can pile up lamp 1 trap the pest through electric wire netting 3, when transporting a large amount of trapping devices to carrying out the disease pest control in the big-arch shelter in the prior art effectively solved, because the trapping device size is fixed, lead to the inconvenient problem of transportation, the size of the trapping device is convenient for adjusting, the convenient transportation of trapping device.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Referring to fig. 1, fig. 2 and fig. 3, a trapping and killing device for crop pest control, including trap lamp 1, the lamp stand of trap lamp 1 is cylindricly, there is the fixed plate at the equal fixed mounting in both ends of trap lamp 1, trap lamp 1 can dismantle with the fixed plate and be connected, concretely, through the bolt with fixed plate fixed mounting on the lamp stand of trap lamp 1, the fixed plate is discoid, trap lamp 1 lamp stand and be close to the circumference lateral wall department of upper end articulated have a plurality of evenly arranged first branch 11, trap lamp 1 lamp stand and be close to the circumference lateral wall department of lower extreme articulated have a plurality of evenly arranged second branch 12, first branch 11 and second branch 12 one-to-one, and the end connection of relative first branch 11 and second branch 12 that set up has mounting bracket 2, the both ends of mounting bracket 2 are articulated with the tip of first branch 11 and second branch 12 respectively, the pin joint of corresponding first branch 11 both ends, the pin joint of second branch 12 both ends forms parallelogram structure, first branch 11 is located the top of the fixed plate of trap lamp 1 upper end, second branch 12 is located the top of trap lamp 1 lower extreme fixed plate. Be located detachably between two adjacent mounting brackets 2 and install electric wire netting 3, electric wire netting 3 splices annular electric wire netting 3 structure of traping with mounting bracket 2. An upright rod 13 is fixedly arranged at the top of the trapping lamp 1, the upright rod 13 is superposed with the center of the trapping lamp 1, a waterproof cloth 14 is arranged above the plurality of first supporting rods 11, and a waterproof cloth 14 is arranged below the plurality of second supporting rods 12. When whole expansion, the tip of pole setting 13 passes the waterproof cloth 14 that is located the top to with this waterproof cloth 14 fixed connection, this waterproof cloth 14's partial border is fixed with the up end of mounting bracket 2, because first branch 11 level extends, the waterproof cloth 14 that is located the top is the toper form, can reduce inside rainwater or the dust enters into the device, and the up end butt of all the other borders and electric wire netting 3 of waterproof cloth 14. The inboard of the waterproof cloth 14 that is located the below is pegged graft in the fixed plate outside, and the partial border of waterproof cloth 14 is fixed with the lower terminal surface of mounting bracket 2, and waterproof cloth 14 has certain elastic deformation function, when expanding, can be in the state of tightening. A section of external thread is tapped at the position, close to the upper end, of the vertical rod 13, and a hook can be connected through threads, so that the device is convenient to place. And the lamp stand bottom of traping lamp 1 sets up threaded hole, can have an inserted bar by threaded connection, can be convenient for fix the device in ground of pegging graft.

Referring to fig. 3 and 4, a first locking mechanism 4 is mounted on the upper fixing plate, and is capable of positioning the first rod 11 so that the first rod 11 is kept in a horizontally extending state. First locking mechanism 4 includes holding ring 41, activity ring 42, locking piece 43, holding ring 41 fixed mounting is on the fixed plate that is located the top, and holding ring 41's inside wall and trapper 1 interval set up, a plurality of constant head tanks 411 have been seted up on holding ring 41, the quantity one-to-one of constant head tank 411 and the quantity of first branch, first branch 11 can be pegged graft in the constant head tank 411 that corresponds, activity ring 42 rotates and sets up in holding ring 41's lateral wall, locking piece 43 is provided with a plurality ofly, and locking piece 43 and first branch 11 one-to-one, locking piece 43 includes connecting block 431, locking rod 432, connecting block 431 fixed mounting is in activity ring 42's up end, locking rod 432 fixed mounting is in one side of connecting block 431, and locking rod 432's length is greater than the width of constant head tank 411, and locking rod 432's length is greater than first branch 11's width, locking rod 432 level sets up, and laminate on holding ring 41's the peripheral side wall, with holding ring 41 sliding fit. When overall structure is installed to needs, with first branch pole 11 to keeping away from the position upset at trapping lamp 1 top for first branch pole 11 sets up on the fixed plate, and in inserting the constant head tank 411, rotate movable ring 42 again, make movable ring 42 can drive locking piece 43 and remove to the position department of first branch pole 11, the lower terminal surface of locking lever 432 and the up end butt of first branch pole 11, connecting block 431 and the lateral wall butt of first branch pole 11, make first branch pole 11 keep the horizontality. In order to improve the abutting force between the first supporting rod 11 and the locking rod 432 and increase the structural stability, the side wall of the vertical rod 13 is fixedly provided with the tension spring 15, the tension spring 15 corresponds to the first supporting rod 11 one by one, and the other end of the tension spring 15 is fixedly connected with the part of the first supporting rod 11 located at the inner side of the positioning ring 41, so that the first supporting rod 11 abuts against the locking rod 432.

Referring to fig. 3, 4 and 5, the second locking mechanism 5 is mounted on the lower fixing plate, and can enhance the positioning of the second support rod 12, so as to further improve the stability of the overall structure, the structure of the second locking mechanism 5 is identical to that of the first locking mechanism 4, the second locking mechanism 5 includes a positioning ring 41, a movable ring 42 and a locking member 43, the positioning ring 41 is fixedly mounted on the lower fixing plate, the movable ring 42 is rotatably connected to the outer side of the positioning ring 41, the locking member 43 is fixedly mounted on the movable ring 42, and the locking member 43 can position the second support rod 12, so that the second support rod 12 is kept in a horizontally extending state. When the second supporting rod 12 is inserted into the positioning slot 411, the upper end surface of the second supporting rod 12 abuts against the lower end surface of the locking rod 432. In order to facilitate the synchronous driving of the movable rings 42 and improve the installation efficiency, the movable ring 42 located above and the movable ring 42 located below are fixedly connected through a connecting rod 51.

Refer to fig. 2, fig. 6, the mounting groove 21 that sets up along the direction of height is all seted up to mounting bracket 2's both sides, the outside fixed mounting installing frame of electric wire netting 3, the installing frame is the arc form, can make a plurality of electric wire netting 3 splice into the annular form with mounting bracket 2, the lateral wall of electric wire netting 3 is pegged graft in the mounting groove 21 that corresponds, and, in order to improve the efficiency of killing of traping the pest, install inside electric wire netting 3, it has two mounting brackets 2 to articulate between same a pair of first branch 11 and second branch 12, inside electric wire netting 3 is installed on being located inboard corresponding mounting bracket 2, inside electric wire netting 3 sets up with 3 intervals of outside electric wire netting. And a fixing mechanism 6 is arranged on the mounting frame 2 and can fix the power grid 3. Fixing mechanism 6 includes flexure strip 61, stopper 62, the fixed slot 22 has been seted up to 2 lateral walls of mounting bracket and the position that is close to the top, the both sides of mounting groove 21 all communicate has a fixed slot 22, flexure strip 61's upper end fixed mounting is on fixed slot 22's groove top, stopper 62 fixed mounting is in the one side that flexure strip 61 is close to mounting groove 21, two stopper 62 equal shaping in one side in opposite directions have an inclined plane, the inclined plane is towards the top of mounting bracket 2, there is a lifting block 63 at the one end fixed mounting that two flexure strips 61 deviate from mutually. Peg graft in mounting groove 21 when electric wire netting 3, extrude stopper 62 for flexure strip 61 outwards opens, peg graft in mounting groove 21 back completely when electric wire netting 3, stopper 62's lower terminal surface and 3 butts of electric wire netting, and then all fix the both sides of electric wire netting 3, when needs dismantle electric wire netting 3, when conveniently clearing up electric wire netting 3, only need stimulate and carry and draw piece 63, can make two stopper 62 peg graft in fixed slot 22, break away from spacing to electric wire netting 3.

Referring to fig. 2, 3 and 5, a positioning mechanism 7 is installed at a position close to the bottom and on the side wall of the trap lamp 1, the second support rod 12 can be further positioned, the positioning mechanism 7 includes an installation block 71 and elastic positioning pieces 72, the installation block 71 is provided with a plurality of positioning pieces at intervals along the circumferential direction of the trap lamp 1, the installation block 71 and the second support rod 12 are arranged in a one-to-one correspondence manner, the positioning pieces 72 have certain elasticity, two positioning pieces 72 are fixed on each installation block 71, the two positioning pieces 72 are symmetrically arranged with respect to the center of the installation block 71, two opposite side walls of the two positioning pieces 72 are respectively fixed with a fixture block 73, the second support rod 12 is clamped between the two positioning pieces 72, and the second support rod 12 is limited by the fixture block 73, so that the second support rod 12 is not easy to separate from the positioning pieces 72.

Referring to fig. 2, 7 and 8, the lateral wall of mounting bracket 2 articulates there is spacing 8, spacing 8 on every mounting bracket 2 all is located same horizontal plane, spacing 8 includes gag lever post 81, blend stop 82, the tip of gag lever post 81 articulates on mounting bracket 2, blend stop 82 fixed mounting is in the other end of gag lever post 81, and it has the memory steel wire to peg graft in blend stop 82, blend stop 82 is made for the rubber material, and blend stop 82 and gag lever post 81 mutually perpendicular. On mounting bracket 2 and be located the below fixed mounting of 8 articulated departments of spacing frame there is baffle 83, turns over spacing frame 8 back down, spacing frame 8 and baffle 83's up end butt for gag lever post 81 and mounting bracket 2 mutually perpendicular. When using to trap and kill the device, with spacing 8 upset down and with baffle 83 butt for a plurality of spacing 8 can restrict the staff and touch electric wire netting 3 by mistake, strengthen the security performance of trapping and killing the device.

Referring to fig. 2, 7 and 8, when taking in folding the whole, with spacing 8 upset to laminating with mounting bracket 2, the tip of two adjacent blend stops 82 passes through coupling mechanism 9 to be fixed, can fix a plurality of mounting brackets 2, improves overall structure stability when the transportation to, spacing 8 can be provided with two sets ofly along the length direction interval of mounting bracket 2. The connecting mechanism 9 comprises an iron block 91 and a magnet 92, the two ends of each barrier strip 82 are respectively fixed with the iron block 91 and the magnet 92, and the opposite ends of two adjacent barrier strips 82 are respectively the iron block 91 and the magnet 92, so that the two adjacent barrier strips 82 can be mutually adsorbed to form connection, and a barrier ring is formed by enclosing the barrier strips 82. In the present application, the ends of two adjacent barrier strips 82 may also be fixed by a connecting rope, as long as the two adjacent ends can be detachably connected and fixed.

The working principle of the embodiment of the application is as follows: the first support rod 11 and the second support rod 12 can be folded or turned over, so that two forms of the trapping and killing device are realized.

The movable ring 42 is rotated, so that the locking piece 43 is staggered with the first support rod 11 and the second support rod 12, the ends of the first support rod 11 and the second support rod 12 can be drawn close to the trapping lamp 1 under the action of the tension spring 15, and the size of the whole trap lamp can be adjusted conveniently. The setting of this structure, not only the transportation of being convenient for, electric wire netting 3 uses for a long time, damages easily, dismantles back with electric wire netting 3, can also conveniently carry out reuse to this structure, in the less season of pest or other time that need not use the trapping and killing device, can be convenient for adjust holistic size, convenient storage.

When the locking device needs to be used, only the connection between the adjacent barrier strips 82 needs to be disconnected, the limiting frame 8 is turned over, the first supporting rod 11 is turned downwards, the tension of the tension spring 15 is overcome, the first supporting rod 11 is inserted into the positioning groove 411 in a plug-in mode, the movable ring 42 is rotated, the locking rod 432 is abutted against the upper end of the first supporting rod 11, the first supporting rod 11 is locked, and meanwhile, the second supporting rod 12 is also locked by the locking piece 43 below. After the overall structure is installed, the power grid 3 is inserted into the corresponding mounting groove 21, and the power grid 3 is limited and fixed through the fixing mechanism 6, so that the trapping and killing device is installed quickly and is convenient to use.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can substitute or change the technical solution and its concept of the present application within the technical scope disclosed in the present application, and shall be covered by the scope of the present application.

Claims

1. The utility model provides a trapping and killing device of crops pest control, includes trapper (1), its characterized in that, the week side of trapper (1) articulates there are a plurality of first branch (11) and second branch (12) of evenly arranging, first branch (11) are close to the upper end of trapper (1), second branch (12) are close to the lower extreme of trapper (1), first branch (11) and second branch (12) one-to-one, and the end connection of the relative first branch (11) and second branch (12) that set up has mounting bracket (2);

two ends of each mounting frame (2) are hinged with the end parts of the first supporting rod (11) and the second supporting rod (12) respectively, the corresponding hinged points at two ends of the first supporting rod (11) and the hinged points at two ends of the second supporting rod (12) are connected to form a parallelogram structure, and a power grid (3) is detachably arranged between every two adjacent mounting frames (2);

both ends of traping lamp (1) all are provided with the fixed plate, are located the top be provided with on the fixed plate to first branch (11) location first locking mechanical system (4), a plurality of first branch (11) top and a plurality of second branch (12) below all are provided with waterproof cloth (14).

2. A trapping and killing device for crop pest control according to claim 1, wherein the first locking mechanism (4) comprises a positioning ring (41) arranged on the fixed plate, a movable ring (42) rotatably arranged outside the positioning ring (41), and a locking piece (43) arranged on the movable ring (42);

set up a plurality of constant head tanks (411) on holding ring (41), peg graft in corresponding constant head tank (411) first branch (11), locking piece (43) are provided with a plurality ofly, and locking piece (43) and first branch (11) one-to-one, locking piece (43) including set up connecting block (431) on activity ring (42), set up in locking lever (432) of connecting block (431) one side, when first branch (11) peg graft in constant head tank (411), first branch (11) up end supports tightly with locking lever (432) lower terminal surface.

3. The device for trapping and killing crop diseases and insect pests as claimed in claim 2, wherein a second locking mechanism (5) is arranged on the fixing plate below, the structure of the second locking mechanism (5) is consistent with that of the first locking mechanism (4), and when the second supporting rod (12) is inserted into the positioning groove (411), the upper end surface of the second supporting rod (12) is abutted against the lower end surface of the locking rod (432).

4. A trapping and killing device for crop pest control according to claim 3, characterized in that the movable ring (42) located above and the movable ring (42) located below are fixedly connected through a connecting rod (51).

5. The trapping and killing device for crop pest control according to claim 1, characterized in that both sides of the mounting rack (2) are provided with mounting grooves (21) arranged along the height direction, the side walls of the electric network (3) are inserted into the corresponding mounting grooves (21), and the mounting rack (2) is provided with a fixing mechanism (6) for fixing the electric network (3).

6. The device of claim 5, wherein the mounting bracket (2) is provided with a fixing groove (22) at a position close to the top, both sides of the mounting groove (21) are communicated with the fixing groove (22), the fixing mechanism (6) comprises an elastic sheet (61) arranged in the fixing groove (22) and a limiting block (62) arranged on one side of the elastic sheet (61), the lower end surface of the limiting block (62) is abutted against the power grid (3), and an inclined surface is formed on one side of the two limiting blocks (62) opposite to each other and faces the top of the mounting bracket (2).

7. The device of claim 1, wherein a vertical rod (13) is arranged on the fixing plate above the device, the vertical rod (13) is arranged at the center of the fixing plate, a plurality of tension springs (15) are hung on the vertical rod (13), the tension springs (15) are arranged corresponding to the first supporting rods (11) one by one, and the other ends of the tension springs (15) are fixed with the end portions, close to the fixing plate, of the corresponding first supporting rods (11).

8. The trapping and killing device for crop pest control according to claim 1, characterized in that a positioning mechanism (7) is arranged on the side wall of the trapping lamp (1) and near the bottom, the positioning mechanism (7) comprises a plurality of mounting blocks (71) arranged at intervals along the circumferential direction of the trapping lamp (1), and elastic positioning sheets (72) arranged on the mounting blocks (71);

the installation piece (71) and the second branch pole (12) one-to-one set up, the centrosymmetry of spacer (72) about installation piece (71) is provided with two, two the relative both sides wall of spacer (72) all is fixed with fixture block (73), second branch pole (12) joint is between two spacer (72).

9. The trapping and killing device for crop pest control according to claim 1, characterized in that the outer side wall of the mounting rack (2) is hinged with a limiting rack (8), a baffle (83) is arranged on the mounting rack (2) and below the hinged position of the limiting rack (8), and the limiting rack (8) is abutted against the baffle (83).

10. The trapping and killing device for crop pest control according to claim 9, characterized in that the limiting frame (8) comprises a limiting rod (81) hinged with the mounting frame (2) and a barrier strip (82) which is arranged at one end of the limiting rod (81) and is arc-shaped.