CN114600850A

CN114600850A - Protection device for forestry pest control

Info

Publication number: CN114600850A
Application number: CN202210271647.2A
Authority: CN
Inventors: 苑晓雯; 王天鸠; 时良
Original assignee: Kunyushan Forest Farm Of Yantai City
Current assignee: Kunyushan Forest Farm Of Yantai City
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-06-10
Anticipated expiration: 2042-03-18
Also published as: CN114600850B

Abstract

The invention provides a protection device for preventing and treating pests in forestry, and relates to the field of forestry prevention and treatment. The protective device for preventing and controlling the forest pests comprises an underframe, wherein a collecting box is fixedly connected to the lower end of the underframe, and a bucket-shaped anti-shelling device is arranged at an opening of the collecting box. According to the protective device for preventing and treating the pests in the forestry, provided by the invention, the annular blowing ring drives the two electromagnets to simultaneously reciprocate through the work of the motor, and the two electromagnets attract the two magnetic plates to move to a certain degree and are staggered, so that the automatic rebounding of the annular power grid within a certain degree range can be realized, and the insect corpses attached to the annular power grid naturally fall into the collecting box; the intracavity pistons at the lower ends of the two thin rods are driven by the two side blocks to respectively slide in the two side pipes in a reciprocating manner, so that the inside automatic air feeding of the side pipes is discharged and flows to the inside of the inflow annular air blowing ring to blow, and the insect corpse can be blown down automatically in the continuous vibration process.

Description

Protection device for forestry pest control

Technical Field

The invention relates to the field of forestry prevention and control, in particular to a protection device for forestry pest prevention and control.

Background

The prevention and control of the forest pests are an important component part of the forest work, and bear the important roles of protecting forest resources, maintaining ecological safety, promoting ecological construction and promoting ecological civilization in the forest construction, so that the prevention and control device is the guarantee force for the forest development, and the prevention and control of the forest pests can be generally realized by using the prevention and control device.

Most simple structure of current forestry pest control device often utilizes harmful insect's phototaxis, simply sets up the lamp stick and attracts harmful insect with the electric wire netting and to its electric shock collection, nevertheless most harmful insect electric shock still can be attached to on the electric wire netting after killing, and the staff is difficult to manually get rid of it, uses the working effect that can directly influence the electric wire netting for a long time.

Therefore, there is a need to provide a new protection device for forestry pest control that solves the above technical problems.

Disclosure of Invention

In order to solve the technical problems, the invention provides a protection device for preventing and controlling forest pests.

The invention provides a protective device for forest pest control, which comprises: the chassis, the equal fixedly connected with side pole setting in both ends of chassis, two the top of side pole setting is connected with the roof jointly, fixedly connected with lamp stick on the lower terminal surface of roof, the outside cover of lamp stick is equipped with a transparent plastic section of thick bamboo, the upper end and the roof fixed connection of a transparent plastic section of thick bamboo, the outside of a transparent plastic section of thick bamboo is equipped with annular electric wire netting, two be equipped with annular ring of blowing between the side pole setting, the both ends of annular ring of blowing respectively with two side pole sliding connection, the lower extreme fixedly connected with collecting box of chassis, the opening part of collecting box is equipped with the fill shape and prevents out the shell.

Preferably, the upper end fixedly connected with top circle of annular electric wire netting, the annular electric wire netting is shaken off the mechanism through the vibration and is connected with the roof, the vibration shakes off the mechanism and includes two slide bars, two the lower extreme of slide bar all with top circle fixed connection, two the slide bar all with roof sliding connection, two the top of slide bar is connected with a connecting plate jointly, two the upper end of slide bar all overlaps and is equipped with first spring, two the one end of first spring all is connected with the up end of roof, two the other end of first spring all is connected with a connecting plate, two the lower extreme of slide bar all overlaps and is equipped with the second spring, two the one end of second spring all is connected with the lower terminal surface of roof, two the other end of second spring all is connected with top circle, be equipped with adsorption component between top circle and the annular air-blowing circle.

Preferably, the adsorption assembly comprises two magnetic plates which are fixedly connected with two ends of the top ring respectively, electromagnets are fixedly connected to two ends of the annular air blowing ring, and magnetic poles of the electromagnets are opposite to those of the magnetic plates.

Preferably, a driving assembly is arranged between the bottom frame and the top plate and comprises a motor, the motor is fixedly mounted on the top plate, a driving shaft is fixedly connected to the output end of the motor, the lower end of the driving shaft is rotatably connected with the bottom frame, the driving shaft is a reciprocating screw rod, a corresponding threaded hole is formed in the rear end of the annular air blowing ring, and the annular air blowing ring is in threaded connection with the driving shaft.

Preferably, the ventilation assembly comprises a three-way pipe, the three-way pipe is fixedly connected with the lower end of the side pipe, a first pipe orifice of the three-way pipe extends into the side pipe, an air inlet valve is arranged at a second pipe orifice of the three-way pipe, an exhaust valve is arranged at a third pipe orifice of the three-way pipe, and the third pipe orifice of the three-way pipe is connected with the annular blowing ring through a connecting hose.

Preferably, be equipped with convenient adjustment mechanism on the roof, convenient adjustment mechanism includes the shell, the lateral wall fixed connection of shell and roof, sliding connection has the regulation pole on the shell, the lower extreme fixedly connected with contact of regulation pole, the short frame of top fixedly connected with of regulation pole, the cover is equipped with the third spring on the regulation pole, the one end of third spring is connected with the short frame, the other end of third spring is connected with the top outer wall of shell, be equipped with the resistance strip on one side inner wall of shell, be equipped with the condition of touching on the shell opposite side inner wall, fixedly connected with side rack pole on the outer wall of shell, be equipped with the locking subassembly on the short frame.

Preferably, the locking subassembly includes the convex base, convex base and short frame fixed connection, fixedly connected with link on the convex base, sliding connection has the pestle on the convex base, threaded connection has manual axis on the link, manual axis is the short threaded rod, manual axis and pestle rotate to be connected, the one end fixedly connected with short toothed bar of pestle.

Compared with the related art, the protection device for preventing and treating the forest pests, provided by the invention, has the following beneficial effects:

1. the invention provides a protective device for preventing and controlling pests in forestry, wherein an annular blowing ring drives two electromagnets to simultaneously reciprocate through the work of a motor, the two electromagnets attract two magnetic plates to move to a certain degree and are staggered, so that the automatic rebounding of an annular power grid within a certain degree range can be realized, and insect corpses attached to the annular power grid naturally fall into a collecting box, thereby facilitating the collection of workers;

2. the invention provides a protective device for preventing and treating pests in forestry, which is characterized in that a short toothed plate is separated from a rack rod by manually rotating a manual shaft, and a short frame is pressed to move a contact piece at the lower end of an adjusting rod to different positions, so that when the resistance value of the adjusting resistor strip in an access circuit is large, the magnetic force values of two electromagnets are conveniently controlled, the amplitude of rebound vibration can be automatically controlled according to the number of attached insects, and the cleaning effect is good;

3. the invention provides a protective device for preventing and treating pests in forestry, which is characterized in that two side blocks drive intracavity pistons at the lower ends of two thin rods to respectively slide in a reciprocating manner inside two side pipes, so that automatic air-feeding in the side pipes is discharged and flows into an annular air blowing ring for blowing, and the insect corpses can be blown off by automatic air blowing in a continuous vibration process.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a guard for the control of pests in forestry according to the present invention;

FIG. 2 is a schematic structural diagram of the vibratory shaking-off mechanism shown in FIG. 1;

FIG. 3 is a schematic structural view of the auxiliary blowing mechanism shown in FIG. 1;

FIG. 4 is a schematic structural view of the easy adjustment mechanism of FIG. 1;

fig. 5 is a schematic structural view of a portion a shown in fig. 1.

Reference numbers in the figures: 1. a chassis; 11. a side upright rod; 12. a top plate; 13. a collection box; 14. the bucket shape prevents the shell from being taken out; 2. a light bar; 3. a transparent plastic cylinder; 4. an annular power grid; 41. a top ring; 5. an annular blowing ring; 6. a motor; 61. a drive shaft; 7. a vibration shaking-off mechanism; 71. a slide bar; 711. a top connection plate; 72. a first spring; 73. a second spring; 74. a magnetic plate; 75. an electromagnet; 8. an auxiliary blowing mechanism; 81. a side tube; 82. an intracavity piston; 83. a thin rod; 84. a side block; 85. a three-way pipe; 851. an intake valve; 852. an exhaust valve; 9. a convenient adjusting mechanism; 91. a cartridge housing; 92. adjusting a rod; 921. a short frame; 93. a contact piece; 94. a third spring; 95. a resistor strip; 96. a contact condition; 97. a side rack bar; 98. a boss; 981. a connecting frame; 982. a pestle sliding; 983. a manual shaft; 984. a short toothed plate.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

Referring to fig. 1 to 5, a protection device for preventing and controlling forest pests includes: chassis 1, the equal fixedly connected with side pole setting 11 in both ends of chassis 1, the top of two side pole settings 11 is connected with roof 12 jointly, fixedly connected with lamp stick 2 on the lower terminal surface of roof 12, the outside cover of lamp stick 2 is equipped with a transparent plastic section of thick bamboo 3, the upper end and the roof 12 fixed connection of a transparent plastic section of thick bamboo 3, the outside of a transparent plastic section of thick bamboo 3 is equipped with annular electric wire netting 4, be equipped with annular ring 5 that blows between two side pole settings 11, the both ends of annular ring 5 that blows respectively with two side pole settings 11 sliding connection, the lower extreme fixedly connected with collecting box 13 of chassis 1, the opening part of collecting box 13 is equipped with the fill shape and prevents out shell 14.

In the specific implementation process, as shown in fig. 1 and fig. 2, the upper end of the ring-shaped power grid 4 is fixedly connected with the top ring 41, the ring-shaped power grid 4 is connected with the top plate 12 through the vibration shaking-off mechanism 7, the vibration shaking-off mechanism 7 includes two sliding rods 71, the lower ends of the two sliding rods 71 are both fixedly connected with the top ring 41, the two sliding rods 71 are both slidably connected with the top plate 12, the top ends of the two sliding rods 71 are commonly connected with a top connection plate 711, the upper ends of the two sliding rods 71 are both sleeved with first springs 72, one ends of the two first springs 72 are both connected with the upper end face of the top plate 12, the other ends of the two first springs 72 are both connected with the top connection plate 711, the lower ends of the two sliding rods 71 are both sleeved with second springs 73, one ends of the two second springs 73 are both connected with the lower end face of the top plate 12, the other ends of the two second springs 73 are both connected with the top ring 41, and an adsorption assembly is arranged between the top ring 41 and the ring-shaped blowing ring 5; the adsorption component comprises two magnetic plates 74, the two magnetic plates 74 are fixedly connected with the two ends of the top ring 41 respectively, the two ends of the annular air blowing ring 5 are fixedly connected with electromagnets 75, and the magnetic poles of the electromagnets 75 are opposite to those of the magnetic plates 74.

It should be noted that: when the two electromagnets 75 attract the two magnetic plates 74 to move, the two magnetic plates 74 jointly drive the top ring 41 to move downwards, the top ring 41 drives the annular power grid 4 to move therewith, at this time, the top ring 41 drives the two sliding rods 71 to simultaneously slide corresponding to the top plate 12, and the two first springs 72 and the two second springs 73 both elastically deform;

according to the magnetic force of two electromagnets 75, when the magnetic force between two electromagnets 75 and two magnetic sheets 74 is not enough to support the elastic deformation force, two electromagnets 75 and two magnetic sheets 74 misplace at this moment, two electromagnets 75 continuously move down, at this moment, two first springs 72 and two second springs 73 all recover the elastic deformation, and at this moment, the automatic rebound vibration of the ring grid 4 within a certain degree range can be realized.

Referring to fig. 1, a driving assembly is arranged between the bottom frame 1 and the top plate 12, the driving assembly includes a motor 6, the motor 6 is fixedly mounted on the top plate 12, an output end of the motor 6 is fixedly connected with a driving shaft 61, a lower end of the driving shaft 61 is rotatably connected with the bottom frame 1, the driving shaft 61 is a reciprocating screw rod, a corresponding threaded hole is formed in the rear end of the annular air blowing ring 5, and the annular air blowing ring 5 is in threaded connection with the driving shaft 61.

It should be noted that: when the motor 6 works, the output end of the motor 6 drives the driving shaft 61 to rotate, so that the annular air blowing ring 5 drives the two electromagnets 75 to reciprocate simultaneously.

Referring to fig. 1 and 3, the two ends of the chassis 1 are provided with the auxiliary air blowing mechanisms 8, each auxiliary air blowing mechanism 8 comprises a side tube 81, the side tube 81 is fixedly connected with the side wall of the chassis 1, an intracavity piston 82 is arranged inside the side tube 81, a thin rod 83 is slidably connected onto the side tube 81, the intracavity piston 82 is fixedly connected with the lower end of the thin rod 83, the upper end of the thin rod 83 is fixedly connected with a side block 84, the side block 84 is fixedly connected with the outer wall of the annular air blowing ring 5, and the lower end of the side tube 81 is provided with an air exchange assembly.

It should be noted that: the reciprocating movement of the annular air blowing ring 5 drives the two side blocks 84 to move along with the reciprocating movement, the two side blocks 84 drive the two thin rods 83 to respectively correspond to the two side pipes 81 to slide, and the intracavity pistons 82 at the lower ends of the two thin rods 83 simultaneously slide in the two side pipes 81 in a reciprocating manner;

when the intracavity piston 82 slides away from the three-way pipe 85, negative pressure is generated inside the side pipe 81 at the moment, and outside air automatically flows into the inside of the side pipe 81 through the air inlet valve 851 on the three-way pipe 85;

when the intracavity piston 82 slides in the reverse direction to approach the tee 85, the air in the side pipe 81 is exhausted through the exhaust valve 852 on the tee 85 and flows into the interior of the annular blowing ring 5.

Referring to fig. 3, the ventilation assembly includes a three-way pipe 85, the three-way pipe 85 is fixedly connected to the lower end of the side pipe 81, a first pipe orifice of the three-way pipe 85 extends into the side pipe 81, a second pipe orifice of the three-way pipe 85 is connected to an air inlet valve 851, a third pipe orifice of the three-way pipe 85 is connected to an air outlet valve 852, and the third pipe orifice of the three-way pipe 85 is connected to the annular blowing ring 5 through a connecting hose.

It should be noted that: the air intake valve 851 ensures that air can only enter the inside of the side pipe 81;

the vent valve 852 ensures that air does not flow back.

Referring to fig. 1 and 4, a convenient adjusting mechanism 9 is arranged on the top plate 12, the convenient adjusting mechanism 9 includes a barrel shell 91, the barrel shell 91 is fixedly connected with the side wall of the top plate 12, a regulating rod 92 is connected on the barrel shell 91 in a sliding manner, a contact plate 93 is fixedly connected with the lower end of the regulating rod 92, a short frame 921 fixedly connected with the top end of the regulating rod 92, a third spring 94 is sleeved on the regulating rod 92, one end of the third spring 94 is connected with the short frame 921, the other end of the third spring 94 is connected with the outer wall of the top of the barrel shell 91, a resistor strip 95 is arranged on the inner wall of one side of the barrel shell 91, a contact condition 96 is arranged on the inner wall of the other side of the barrel shell 91, a side rack rod 97 is fixedly connected on the outer wall of the barrel shell 91, and a locking assembly is arranged on the short frame 921.

It should be noted that: the short frame 921 at the upper end of the adjusting rod 92 is pressed, so that the contact piece 93 at the lower end of the adjusting rod 92 moves to the contact condition 96 to be abutted, and the contact piece 93 slides corresponding to the resistance strip 95, and at the moment, a complete electric path is formed, so that the motor 6 automatically works;

when the contact plate 93 is equivalent to the resistance strip 95 moving downwards for a longer sliding distance, the resistance value equivalent to the access circuit is larger, so that the current in the circuit is smaller, the magnetic force value of the two electromagnets 75 is controlled to be smaller, and on the contrary, the magnetic force value of the two electromagnets 75 is larger;

i.e., contact 93, resistive strip 95, contact condition 96, electrical paths between the two electromagnets 75 and an external power source.

Referring to fig. 1 and 5, the locking assembly includes boss 98, boss 98 and short mount 921 fixed connection, fixedly connected with link 981 on the boss 98, sliding connection has pestle 982 on the boss 98, threaded connection has manual axle 983 on the link 981, manual axle 983 is the short threaded rod, manual axle 983 rotates with pestle 982 to be connected, pestle 982's one end fixedly connected with short pinion rack 984.

It should be noted that: the manual shaft 983 is manually rotated to drive the pestle 982 to slide corresponding to the boss 98, so that the short toothed plate 984 at one end of the pestle 982 is separated from the side rack bar 97, i.e. the unlocking state is achieved.

The working principle of the protective device for preventing and treating the forest pests provided by the invention is as follows: when the insect corpses on the ring-shaped power grid 4 need to be cleaned, the magnetic force of the two electromagnets 75 is adjusted according to the number of the insects attached to the ring-shaped power grid 4, and only the manual shaft 983 needs to be manually rotated to drive the pestle 982 to slide corresponding to the boss 98, so that the short toothed plate 984 at one end of the pestle 982 is separated from the side toothed bar 97, at the moment, the short frame 921 at the upper end of the adjusting rod 92 is pressed, and the contact piece 93 at the lower end of the adjusting rod 92 is moved to the contact piece 96 to be abutted, and the contact piece 93 slides equivalent to the resistance strip 95, and at this time, a complete electric path is formed, so that the two electromagnets 75 are electrified to generate magnetism, the motor 6 is started to work, when the contact 93 moves downwards corresponding to the resistance strip 95 for a longer sliding distance, the resistance value of the circuit is equal to a larger value, so that the current in the circuit is smaller, thereby controlling the magnetic force value of the two electromagnets 75 to be smaller, and otherwise, controlling the magnetic force value of the two electromagnets 75 to be larger.

When the motor 6 works, the output end of the motor 6 drives the driving shaft 61 to rotate, so that the annular air blowing ring 5 drives the two electromagnets 75 to reciprocate simultaneously, when the two electromagnets 75 attract the two magnetic plates 74 to move, the two magnetic plates 74 jointly drive the top ring 41 to move downwards, the top ring 41 drives the annular power grid 4 to move therewith, at this time, the top ring 41 drives the two sliding rods 71 to slide correspondingly to the top plate 12 simultaneously, the two first springs 72 and the two second springs 73 generate elastic deformation, according to the magnitude of the magnetic force of the two electromagnets 75, when the magnetic force between the two electromagnets 75 and the two magnetic plates 74 is not enough to support the elastic deformation force, at this time, the two electromagnets 75 and the two magnetic plates 74 continuously move downwards, at this time, the two first springs 72 and the two second springs 73 recover the elastic deformation, and at this time, the automatic vibration of the annular power grid 4 within a certain degree range can be realized, the insect corpse adhered thereto is allowed to naturally fall into the hopper-shaped anti-discharge case 14 and then moved to the inside of the collection tank 13.

The reciprocating movement of the annular air blowing ring 5 drives the two side blocks 84 to move along with the annular air blowing ring, the two side blocks 84 drive the two thin rods 83 to respectively slide corresponding to the two side pipes 81, and the intracavity pistons 82 at the lower ends of the two thin rods 83 simultaneously slide in the two side pipes 81 in a reciprocating manner; when the intracavity piston 82 slides away from the three-way pipe 85, negative pressure is generated inside the side pipe 81 at the moment, and outside air automatically flows into the inside of the side pipe 81 through the air inlet valve 851 on the three-way pipe 85; when the piston 82 in the cavity slides reversely to be close to the three-way pipe 85, air in the side pipe 81 can be discharged through the exhaust valve 852 on the three-way pipe 85 and flows into the annular blowing ring 5, and the insect corpse can be blown off by automatic blowing in the continuous vibration process.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A guard for forestry pest control, comprising:

chassis (1), the equal fixedly connected with side pole setting (11) in both ends of chassis (1), two the top of side pole setting (11) is connected with roof (12) jointly, fixedly connected with lamp stick (2) on the lower terminal surface of roof (12), the outside cover of lamp stick (2) is equipped with a transparent plastic section of thick bamboo (3), the upper end and roof (12) fixed connection of a transparent plastic section of thick bamboo (3), the outside of a transparent plastic section of thick bamboo (3) is equipped with annular electric wire netting (4), two be equipped with annular air blowing circle (5) between side pole setting (11), the both ends of annular air blowing circle (5) respectively with two side pole setting (11) sliding connection, the lower extreme fixedly connected with collecting box (13) of chassis (1), the opening part of collecting box (13) is equipped with the fill shape and prevents out shell (14).

2. The protection device for preventing and treating the forest harmful organisms according to claim 1, wherein a top ring (41) is fixedly connected to the upper end of the ring-shaped power grid (4), the ring-shaped power grid (4) is connected with a top plate (12) through a vibration shaking-off mechanism (7), the vibration shaking-off mechanism (7) comprises two sliding rods (71), the lower ends of the two sliding rods (71) are fixedly connected with the top ring (41), the two sliding rods (71) are slidably connected with the top plate (12), the top ends of the two sliding rods (71) are commonly connected with a top connection plate (711), the upper ends of the two sliding rods (71) are sleeved with first springs (72), one ends of the two first springs (72) are connected with the upper end face of the top plate (12), and the other ends of the two first springs (72) are connected with the top connection plate (711), the lower extreme of two slide bar (71) all overlaps and is equipped with second spring (73), two the one end of second spring (73) all is connected with the lower terminal surface of roof (12), two the other end of second spring (73) all is connected with top circle (41), be equipped with adsorption component between top circle (41) and annular air blowing circle (5).

3. The protection device for preventing and treating the forest harmful organisms according to claim 2, wherein the adsorption assembly comprises two magnetic plates (74), the two magnetic plates (74) are fixedly connected with two ends of the top ring (41) respectively, two ends of the annular air blowing ring (5) are fixedly connected with electromagnets (75), and the electromagnets (75) and the magnetic plates (74) have opposite magnetic poles.

4. The protection device for preventing and treating the forest harmful organisms according to claim 1, wherein a driving assembly is arranged between the bottom frame (1) and the top plate (12), the driving assembly comprises a motor (6), the motor (6) is fixedly installed on the top plate (12), a driving shaft (61) is fixedly connected to the output end of the motor (6), the lower end of the driving shaft (61) is rotatably connected with the bottom frame (1), the driving shaft (61) is a reciprocating screw rod, a corresponding threaded hole is formed in the rear end of the annular air blowing ring (5), and the annular air blowing ring (5) is in threaded connection with the driving shaft (61).

5. The protection device for preventing and treating forest harmful organisms according to claim 1, characterized in that both ends of the bottom frame (1) are provided with auxiliary air blowing mechanisms (8), each auxiliary air blowing mechanism (8) comprises a side pipe (81), the side pipes (81) are fixedly connected with the side wall of the bottom frame (1), an intracavity piston (82) is arranged inside each side pipe (81), a thin rod (83) is slidably connected onto each side pipe (81), the intracavity piston (82) is fixedly connected with the lower end of each thin rod (83), a side block (84) is fixedly connected with the upper end of each thin rod (83), each side block (84) is fixedly connected with the outer wall of the annular air blowing ring (5), and an air exchange assembly is arranged at the lower end of each side pipe (81).

6. The protection device for forest pest control according to claim 5, wherein the air exchange assembly comprises a three-way pipe (85), the three-way pipe (85) is fixedly connected with the lower end of the side pipe (81), a first pipe orifice of the three-way pipe (85) extends to the inside of the side pipe (81), an air inlet valve (851) is installed and connected at a second pipe orifice of the three-way pipe (85), an air outlet valve (852) is installed and connected at a third pipe orifice of the three-way pipe (85), and the third pipe orifice of the three-way pipe (85) is connected with the annular air blowing ring (5) through a connecting hose.

7. The protection device for forestry pest control of claim 1, wherein, be equipped with convenient adjustment mechanism (9) on roof (12), convenient adjustment mechanism (9) includes barrel shell (91), the lateral wall fixed connection of barrel shell (91) and roof (12), sliding connection has regulation pole (92) on barrel shell (91), the lower extreme fixedly connected with contact piece (93) of adjusting pole (92), the top fixedly connected with short frame (921) of adjusting pole (92), the cover is equipped with third spring (94) on adjusting pole (92), the one end of third spring (94) is connected with short frame (921), the other end of third spring (94) is connected with the top outer wall of barrel shell (91), be equipped with resistance strip (95) on one side inner wall of barrel shell (91), be equipped with on barrel shell (91) opposite side inner wall and touch condition (96), fixedly connected with side rack pole (97) on the outer wall of barrel casing (91), be equipped with locking Assembly on short frame (921).

8. The protection device for forestry pest control according to claim 7, wherein, the locking subassembly includes boss (98), boss (98) and short frame (921) fixed connection, fixedly connected with link (981) on boss (98), sliding connection has pestle (982) on boss (98), threaded connection has manual axle (983) on link (981), manual axle (983) is the short-thread pole, manual axle (983) and pestle (982) rotate to be connected, the one end fixed connection of pestle (982) has short pinion rack (984).