Pruning device and method for citrus fruit setting
By designing a citrus tree pruning shear device including an elastic pulling unit and a collaborative insurance structure, the problem of difficult blade clamping force in the prior art is solved, the flatness and accuracy of the pruning process are achieved, the fruit setting rate of the citrus tree is improved, and the safety and efficiency of the use of pruning shears are improved.
Patent Information
- Application Number
- CN202411835315.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-06-20
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing citrus tree pruning shear devices are difficult to control the clamping force of the blade during assembly, which can easily lead to excessive tightness or excessive gap, affect the stability and accuracy of pruning, and are prone to skin clamping, affecting the fruit setting rate of citrus tree.
A trimming device including a first blade assembly, a second blade assembly and a blade pre-tightening member is designed to sense and adjust the blade clamping force through the elastic pulling unit and the locking nut, and to monitor and adjust the clamping force in real time through the collaborative safety structure and the prompt structure to avoid the occurrence of the clamping phenomenon.
It effectively avoids the problem of too tight blades or too large gaps, ensures the flatness and accuracy during pruning, improves the fruit setting rate of citrus trees, and improves the safety and efficiency of pruning shears through real-time monitoring and reminders.
Smart Images
Figure CN120167247A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of citrus tree pruning devices, and more specifically, to a citrus fruit setting pruning device and method. Background Art
[0002] Citrus, also known as tangerine, mandarin orange, etc., is a small tree of the genus Citrus in the Rutaceae family. Autumn shoots are an important technical link in the citrus planting process. Autumn shoots are the main fruiting mother branches of citrus in the next year. Strong and mature autumn shoots can make the flower buds plump, which is conducive to the stable setting of young fruits. This is one of the key factors in improving the fruit setting rate of citrus trees. Good autumn shoots can maintain the vigor of citrus trees, ensure the health of the root system, reduce the occurrence of yellowing, and provide strong support for the continued high and stable yields of citrus trees.
[0003] In order to prepare enough fruiting mother branches for stable and high yields in the following year, the time for citrus trees to release autumn shoots depends on the age of the tree, tree vigor, site conditions and the amount of fruit. The principle is "three early and three late", namely: "trees that bear too much fruit release early, and trees that bear few fruit release late", "early release in mountains, and late release in paddy fields", and "trees with weak growth vigor release early, and trees with strong growth vigor release late".
[0004] Before people use pruning shears to prune the branches of citrus trees, in order to clearly check the wear of the blades and accurately grind the blades of the pruning shears blades separately, they need to disassemble the pruning shears and grind the blades of each blade separately before pruning. However, when people currently sharpen the pruning shears and pivotally hinge the two blades together with bolts, it is often difficult to control the clamping force of the bolts on the blades, which easily causes the two blades to be squeezed too tightly or the gap between the blades to be too large. The blades of the pruning shears are squeezed too tightly during assembly, which will increase the resistance generated when the blades move, affecting the stability and accuracy of the pruning shears in cutting. It is also easy to increase the friction between the two blades, accelerate the wear of the pruning shears, and affect the quality of citrus tree cutting. The gap between the two blades of the pruning shears is too large. When pruning the branches of the citrus tree, the branches cannot be completely cut off, so that the bark remaining on the cut branches is sandwiched between the two blades of the pruning shears, resulting in bark clamping, resulting in uneven incisions on the citrus branches after cutting, resulting in blocked healing of branch wounds, increased risk of invasion by pathogens and pests, and affected fruit setting of the citrus trees.
[0005] In view of this, we propose a citrus fruit setting pruning device and method. Summary of the invention
[0006] Technical problem to be solved: The purpose of this application is to provide a citrus fruit setting pruning device and method, which solves the technical problems raised in the above-mentioned background technology.
[0007] Technical solution: The technical solution of this application provides a pruning device for citrus fruit setting, which includes a first blade assembly, a second blade assembly and a blade pre-tightening member. The first blade assembly and the second blade assembly are pivotally hinged through the blade pre-tightening member. The blade pre-tightening member includes an elastic tension unit, a locking nut and a base insertion rod. One end of the base insertion rod is connected with a limiting head, and the other end is connected with an internal airtight seat;
[0008] The elastic tension unit includes a cavity screw, a gas medium part and a cooperative insurance structure arranged inside the cavity screw and communicating with the inner cavity of the cavity screw. One end of the internal airtight seat away from the base insertion rod is hermetically slidably inserted into the bottom opening of the cavity screw. There is an insulating fixed rod in the inner cavity of the cavity screw, and one end of the insulating fixed rod is connected to the end of the internal airtight seat, and the other end hermetically penetrates through the top of the cavity screw. There is also a prompt structure on the end of the insulating fixed rod away from the internal airtight seat;
[0009] An actuating seal ring fixedly connected to the inner cavity of the cavity screw is hermetically slidably sleeved outside the insulating fixed rod. A pressure spring connected between the actuating seal ring and the internal airtight seat is also sleeved outside the insulating fixed rod. The gas medium part is filled between the actuating seal ring and the internal airtight seat in the inner cavity of the cavity screw.
[0010] As an optional solution of the technical solution of this application document, the outer diameter dimensions of the cavity screw and the base insertion rod are equal.
[0011] As an optional solution of the technical solution of this application document, the first blade assembly includes a first blade, a handle part is connected to the first blade, and a perforation adapted to the base insertion rod is opened on the first blade;
[0012] The second blade assembly includes a second blade, a handle part is also connected to the second blade, and a perforation adapted to the base insertion rod is also opened on the second blade.
[0013] As an optional solution of the technical solution of this application document, the cooperative insurance structure includes an airtight sliding cavity, a reciprocating air duct and a ventilation hole arranged inside the cavity screw;
[0014] An airtight piston is hermetically slidably connected in the airtight sliding cavity, and a positioning rod and an insulating pin rod are respectively connected to the same end of the airtight piston;
[0015] The gas medium part is also filled inside the reciprocating air duct and inside the airtight sliding cavity.
[0016] As an optional solution of the technical solution of this application document, one end of the reciprocating air duct is communicated with the end of the airtight sliding cavity close to the insulating fixed rod, and the other end is communicated with the side part of the inner cavity of the cavity screw.
[0017] As an alternative solution to the technical solution of this application document, one end of the air vent is connected to the end of the airtight sliding cavity far from the insulating fixed rod, and the other end penetrates through the side wall of the cavity screw and is connected to the atmosphere, and the airtight piston is located between the insulating pin rod and the air vent.
[0018] As an alternative solution to the technical solution of this application document, the gas medium filled inside the airtight sliding cavity is all located on the side of the airtight piston close to the insulating pin rod.
[0019] As an alternative solution to the technical solution of this application document, the prompting structure includes an end plate, a storage battery, a static trigger piece, and a trigger spring piece;
[0020] An alarm is connected to the end plate, and a conductive protrusion is connected to the trigger spring piece.
[0021] As an alternative solution to the technical solution of this application document, a battery slot capable of accommodating a storage battery is provided at one end of the insulating fixed rod far from the built-in airtight seat, and the storage battery is arranged in the battery slot;
[0022] The end plate covers the opening of the battery slot and is hermetically connected to the end of the insulating fixed rod;
[0023] A middle slot is provided on the side wall of the insulating fixed rod between the battery slot and the airtight sliding cavity, and the opening of the middle slot faces the airtight sliding cavity. The static trigger piece is connected to the inner cavity side wall of the middle slot, and the side wall of the static trigger piece is flush with the inner cavity side wall of the middle slot;
[0024] The fixed end of the trigger spring piece is also connected to the inner cavity side wall of the middle slot, and the static trigger piece and the conductive protrusion are arranged opposite to each other;
[0025] One end of the insulating pin rod far from the airtight piston hermetically penetrates through the inside of the cavity screw and can be movably inserted into the middle cavity;
[0026] The static trigger piece is connected to the input end of the alarm through a wire, the output end of the alarm is connected to the negative electrode of the storage battery through a wire, the positive electrode of the storage battery is connected to the trigger spring piece through a wire, and when the conductive protrusion contacts the static trigger piece, the alarm is triggered to turn on.
[0027] The technical solution of this application provides a usage method of a pruning device for citrus fruit setting, including the following steps:
[0028] S1. After grinding the blade parts of the first blade and the second blade, insert the base insertion rod and the elastic tension unit in the blade pre-tightening member through the perforations on the first blade and the second blade at the same time;
[0029] S2. After sleeving the locking nut on the end of the cavity screw of the elastic tension unit, gradually tighten the locking nut with a tool;
[0030] S3. After the end plate surface in the prompting structure is flush with the end surface of the cavity screw rod, stop tightening the locking nut, so that while the first blade assembly and the second blade assembly are pivotally hinged together through the blade pre-tightening member, the clamping force of the blade pre-tightening member on the first blade assembly and the second blade assembly reaches a preset value;
[0031] S4. When using the pruning shear assembled through the above steps S1 - S3 to prune and shoot the branches of citrus trees, when the locking nut in the blade pre-tightening member becomes loose, resulting in the clamping force of the blade pre-tightening member on the first blade assembly and the second blade assembly decreasing and being lower than the preset value, during the process that the elastic tension unit moves towards the base insertion rod, the cooperative insurance structure triggers the prompting structure to send out a fault prompt signal through the insulating pin rod buckled into the middle cavity, reminding the shoot-releasing personnel to tighten the blade pre-tightening member in time and making the clamping force of the blade pre-tightening member on the first blade assembly and the second blade assembly reach the preset value again, so as to avoid the situation of being unable to cut off the citrus tree branches and causing the skin-clamping phenomenon during the process of shooting the citrus tree.
[0032] Beneficial effects: One or more of the technical solutions provided in the technical solution of this application have at least the following technical effects or advantages: 1. Before shooting the autumn shoots of citrus trees, when the ground first blade assembly and the second blade assembly are pivotally hinged together again through the blade pre-tightening member, the clamping force applied to the first blade assembly and the second blade assembly can be sensed, avoiding the situation of being too tight or having too large a gap between the first blade assembly and the second blade assembly during the pruning of the autumn shoots of citrus trees, ensuring the flatness of the cut of the pruned branches during the pruning of the autumn shoots of citrus trees, and thus ensuring the fruit setting rate of citrus.
[0033] 2. After grinding the cutting edges of the first blade and the second blade, then passing the base insertion rod and the elastic tension unit in the blade pre-tightening member through the through holes on the first blade and the second blade at the same time, and then during the process of gradually tightening the locking nut, the cavity screw rod in the elastic tension unit gradually moves away from the base insertion rod, and the driven sealing ring moving synchronously with the cavity screw rod pulls the pressure spring to elongate. When the end plate surface in the prompting structure is flush with the end surface of the cavity screw rod, the pressure spring elongates a preset length, and stop tightening the locking nut, realizing the sensing of the clamping force applied to the first blade assembly and the second blade assembly, so that while the first blade assembly and the second blade assembly are pivotally hinged together through the blade pre-tightening member, the clamping force of the blade pre-tightening member on the first blade assembly and the second blade assembly reaches the preset value.
[0034] 3. During the process of tightening the locking nut in the blade pre-tightening component, the driven sealing ring that moves with the cavity screw continuously pumps the gas medium part in the airtight sliding cavity into the inner cavity of the cavity screw through the reciprocating air duct, causing the air pressure in the airtight sliding cavity to continuously decrease. After the surface of the end plate in the prompt structure is flush with the end surface of the cavity screw, when the insulating pin rod in the collaborative insurance structure is aligned with the central slot, under the negative pressure operation in the airtight sliding cavity, the insulating pin rod is buckled into the central slot. After the clamping force applied by the blade pre-tightening component to the first blade assembly and the second blade assembly reaches the preset value, the relative movement of the elastic tension unit with respect to the base insertion rod is restricted through the collaborative insurance structure, realizing the locking and insurance treatment of the blade pre-tightening component after applying the clamping force to the first blade assembly and the second blade assembly. While ensuring the safety of the citrus autumn shoot releasing operation, it can also prevent the relative displacement between the first blade assembly and the second blade assembly during the citrus autumn shoot releasing process, resulting in an increase in the distance between the two blade assemblies, and further avoiding the occurrence of the skin clamping phenomenon, ensuring the flatness of the cut of the pruned branch.
[0035] 4. When pruning and releasing the shoots of citrus tree branches, during the process that the locking nut in the blade pre-tightening component becomes loose, resulting in a decrease in the clamping force of the blade pre-tightening component on the first blade assembly and the second blade assembly and being lower than the preset value, and during the process that the elastic tension unit moves towards the base insertion rod, the collaborative insurance structure can also trigger the prompt structure to send out a fault prompt signal externally through the insulating pin rod buckled into the central cavity. Furthermore, during the process of assembling the first blade assembly and the second blade assembly together through the blade pre-tightening component and applying the clamping force to the first blade assembly and the second blade assembly, the clamping force can be monitored in real time, and during the process that the clamping force of the blade pre-tightening component on the first blade assembly and the second blade assembly decreases and is lower than the preset value, a reminder and alarm signal can be sent to people in a timely manner, reminding the shoot releasing personnel to tighten the blade pre-tightening component in a timely manner, so that the clamping force of the blade pre-tightening component on the first blade assembly and the second blade assembly reaches the preset value again, avoiding the occurrence of the phenomenon of not being able to cut off the citrus tree branches and generating the skin clamping phenomenon during the citrus tree shoot releasing process, and at the same time preventing the locking nut in the blade pre-tightening component from further loosening during the citrus autumn shoot releasing process, improving the safety of the citrus autumn shoot releasing operation.
[0036] 5. In the process of tightening the locking nut in the blade preload, the air pressure in the airtight sliding cavity gradually decreases, so that when the airtight piston drives the insulating pin rod to move, when the end of the positioning rod abuts against the end of the airtight sliding cavity, the movement stroke of the insulating pin rod is limited by the positioning rod, so that after the insulating pin rod follows the movement of the airtight piston and is buckled into the middle cavity, there is a distance between the end of the insulating pin rod and the side wall of the airtight sliding cavity. In this way, when pruning the branches of citrus trees, when the locking nut in the blade preload becomes loose, the clamping force of the blade preload on the first blade assembly and the second blade assembly decreases and is lower than the preset value, the elastic pulling unit moves toward the direction of the base plug. During the movement, the trigger spring piece inside the central cavity gradually moves toward the insulating pin rod buckled into the central cavity. Due to the limiting action of the positioning rod, there is a distance between the end of the insulating pin rod buckled into the central cavity and the side wall of the central cavity. In this way, when the end of the insulating pin rod contacts the trigger spring piece and can apply a pressure less than its elastic limit to the trigger spring piece, the elastically deformed trigger spring piece drives the conductive protrusion to contact the static trigger piece and triggers the alarm to open, and then it can still return to its original state, thereby avoiding the insulating pin rod applying a pressure exceeding its elastic limit to the trigger spring piece, which makes the trigger spring piece unable to return to its original state, thereby causing the prompt structure to fail.
[0037] 6. In the process of gradually loosening the locking nut in the blade preload part from the cavity screw, under the elastic tension of the pressure spring, the cavity screw gradually moves toward the direction of the base plug rod. In this process, the driven sealing ring injects the gas medium into the airtight sliding cavity. After the air pressure in the airtight sliding cavity increases, the airtight piston pushes the insulating pin rod that was originally buckled into the middle cavity out of the middle cavity, which makes it convenient for people to disassemble the assembled first blade assembly and the second blade assembly for inspection or grinding after the citrus trees are released in autumn. BRIEF DESCRIPTION OF THE DRAWINGS
[0038] Figure 1 This is a schematic diagram of the overall structure of this application.
[0039] Figure 2 This is a side view of the application.
[0040] Figure 3 This is a schematic diagram of the structure of the blade preload member in this application.
[0041] Figure 4 It is a schematic diagram of the enlarged local structure of the blade preload member in this application.
[0042] Figure 5 For this application Figure 4 A partial enlarged schematic diagram of part A.
[0043] Description of reference numerals in the figure: 101, the first blade; 102, the second blade; 103, the handle part; 201, the cavity screw; 202, the locking nut; 203, the alarm; 204, the limiting head; 205, the base insertion rod; 206, the built-in airtight seat; 208, the pressing spring; 209, the driven sealing ring; 210, the storage battery; 212, the insulating fixed rod; 213, the airtight piston; 214, the insulating pin rod; 215, the positioning rod; 216, the gas medium part; 217, the reciprocating air duct; 218, the trigger elastic piece; 219, the conductive convex part; 220, the static trigger piece. Detailed implementation manners
[0044] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Apparently, the described embodiments are some but not all of the embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.
[0045] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.
[0046] In the description of the present application, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.
[0047] Referring to Figures 1 to 4 , the embodiments of the present application provide a pruning device for citrus fruit setting, including a first blade assembly, a second blade assembly and a blade pre-tightening member. The first blade assembly and the second blade assembly are pivotally hinged through the blade pre-tightening member. The blade pre-tightening member includes an elastic tension unit, a locking nut 202 and a base insertion rod 205. One end of the base insertion rod 205 is connected with a limiting head 204, and the other end is connected with a built-in airtight seat 206;
[0048] The elastic tension unit includes a cavity screw 201, a gas medium part 216, and a cooperative insurance structure disposed inside the cavity screw 201 and communicating with the inner cavity of the cavity screw 201. The outer diameter of the cavity screw 201 is equal to that of the base plug 205. One end of the built-in airtight seat 206 away from the base plug 205 is hermetically and slidably inserted into the bottom opening of the cavity screw 201. There is an insulating fixed rod 212 in the inner cavity of the cavity screw 201, and one end of the insulating fixed rod 212 is connected to the end of the built-in airtight seat 206, and the other end hermetically penetrates through the top of the cavity screw 201. A prompting structure is also provided at the end of the insulating fixed rod 212 away from the built-in airtight seat 206;
[0049] A driven sealing ring 209 fixedly connected to the inner cavity of the cavity screw 201 is hermetically and slidably sleeved outside the insulating fixed rod 212. A pressing spring 208 connected between the driven sealing ring 209 and the built-in airtight seat 206 is also sleeved outside the insulating fixed rod 212. The gas medium part 216 is filled between the driven sealing ring 209 and the built-in airtight seat 206 in the inner cavity of the cavity screw 201.
[0050] Refer to Figures 1 to 3 In this application, an embodiment provides a pruning device for citrus fruit setting. The first blade assembly includes a first blade 101. A handle part 103 is connected to the first blade 101. A perforation adapted to the base plug 205 is formed on the first blade 101;
[0051] The second blade assembly includes a second blade 102. A handle part 103 is also connected to the second blade 102. A perforation adapted to the base plug 205 is also formed on the second blade 102.
[0052] Before the autumn shoots of citrus trees are released, when the ground and polished first blade assembly and second blade assembly are re-hinged pivotally through a blade pre-tightening member, the clamping force applied to the first blade assembly and the second blade assembly can be sensed, avoiding the situation of being too tight or having too large a gap between the first blade assembly and the second blade assembly during the pruning of the autumn shoots of citrus trees, ensuring the flatness of the cut of the pruned branches during the pruning of citrus autumn shoots, and thus ensuring the fruit setting rate of citrus.
[0053] After grinding the cutting edges of the first blade 101 and the second blade 102, the base insertion rod 205 and the elastic tensioning unit in the blade pre-tightening member are simultaneously passed through the perforations in the first blade 101 and the second blade 102. Subsequently, during the process of gradually tightening the locking nut 202, the cavity screw 201 in the elastic tensioning unit gradually moves away from the base insertion rod 205. The driven sealing ring 209 that moves synchronously with the cavity screw 201 pulls the pressure spring 208 to elongate. When the surface of the end plate in the prompting structure is flush with the end surface of the cavity screw 201, the pressure spring 208 elongates by a preset length, and the tightening of the locking nut 202 is stopped, realizing the perception of the clamping force applied to the first blade assembly and the second blade assembly. While the first blade assembly and the second blade assembly are pivotally hinged together through the blade pre-tightening member, the clamping force of the blade pre-tightening member on the first blade assembly and the second blade assembly reaches the preset value.
[0054] Referring to Figure 3 and Figure 4 , an embodiment of the present application provides a pruning device for citrus fruit setting. The cooperative insurance structure includes an airtight sliding cavity, a reciprocating air passage 217, and a ventilation hole provided inside the cavity screw 201;
[0055] One end of the reciprocating air passage 217 is connected to the end of the airtight sliding cavity close to the insulating fixed rod 212, and the other end is connected to the side of the inner cavity of the cavity screw 201;
[0056] An airtight piston 213 is sealingly slidably connected in the airtight sliding cavity. A positioning rod 215 and an insulating pin rod 214 are respectively connected to the same end of the airtight piston 213;
[0057] One end of the ventilation hole is connected to the end of the airtight sliding cavity away from the insulating fixed rod 212, and the other end penetrates the side wall of the cavity screw 201 and is connected to the atmosphere. And the airtight piston 213 is between the insulating pin rod 214 and the ventilation hole;
[0058] The reciprocating air passage 217 and the airtight sliding cavity are also filled with a gas medium part 216 inside. The gas medium part 216 is preferably nitrogen;
[0059] The gas medium part 216 filled inside the airtight sliding cavity is located on the side of the airtight piston 213 close to the insulating pin rod 214.
[0060] During the process of tightening the locking nut 202 in the blade pre-tightening member, the driven sealing ring 209 that moves with the cavity screw 201 continuously draws the gas medium part 216 in the airtight sliding cavity into the inner cavity of the cavity screw 201 through the reciprocating air channel 217, so that the air pressure in the airtight sliding cavity is continuously reduced. When the end plate surface in the prompt structure is flush with the end surface of the cavity screw 201, the insulating bayonet rod 214 in the cooperative insurance structure is aligned with the middle groove. Under the negative pressure operation in the airtight sliding cavity, the insulating bayonet rod 214 is buckled into the middle groove, so that the blade pre-tightening member is pressed against the first After the clamping force applied by the blade assembly and the second blade assembly reaches a preset value, the cooperative safety structure limits the further movement of the elastic pulling unit relative to the base plug rod 205, thereby realizing the locking safety processing of the blade preload after the clamping force is applied to the first blade assembly and the second blade assembly. While ensuring the safety of the citrus autumn shoot release operation, it can also prevent the relative displacement between the first blade assembly and the second blade assembly during the citrus autumn shoot release process, which increases the distance between the two sets of blade assemblies and causes the skin clamping phenomenon, thereby ensuring the flatness of the incision of the pruned branches.
[0061] In the process of gradually loosening the locking nut 202 in the blade preload part from the cavity screw 201, under the elastic tension of the pressure spring 208, the cavity screw 201 gradually moves toward the direction of the base plug 205. In this process, the driven sealing ring 209 injects the gas medium part 216 into the airtight sliding cavity again. After the air pressure in the airtight sliding cavity increases, the airtight piston 213 pushes the insulating pin rod 214 that was originally buckled into the central cavity out of the central cavity, so that people can disassemble the assembled first blade assembly and the second blade assembly for inspection or grinding after releasing the autumn shoots of the citrus trees.
[0062] Reference Figure 4 and Figure 5 , the embodiment of the present application provides a pruning device for citrus fruit setting, the prompting structure includes an end plate, a battery 210, a static trigger piece 220 and a trigger spring piece 218;
[0063] An alarm 203 is connected to the end plate, and a conductive protrusion 219 is connected to the trigger spring piece 218. The alarm 203 is preferably an audible and visual alarm.
[0064] Reference Figure 1 and Figure 5 The embodiment of the present application provides a citrus fruit setting pruning device, wherein a battery slot for accommodating a battery 210 is provided on one end of the insulating fixed rod 212 away from the built-in airtight seat 206, and the battery 210 is disposed in the battery slot;
[0065] The end plate covers the opening of the battery slot and is sealed to the end of the insulating fixed rod 212;
[0066] A middle groove is formed on the side wall of the insulating fixed rod 212 between the battery slot and the airtight sliding cavity, and the opening of the middle groove faces the airtight sliding cavity. The static trigger piece 220 is connected to the side wall of the inner cavity of the middle groove, and the side wall of the static trigger piece 220 is flush with the side wall of the inner cavity of the middle groove;
[0067] The fixed end of the trigger elastic piece 218 is also connected to the side wall of the inner cavity of the middle groove, and the static trigger piece 220 and the conductive convex part 219 are arranged opposite to each other;
[0068] One end of the insulating pin rod 214 far away from the airtight piston 213 hermetically passes through the inside of the cavity screw rod 201 and can be movably inserted into the middle cavity;
[0069] The static trigger piece 220 is connected to the input end of the alarm 203 through a wire. The output end of the alarm 203 is connected to the negative electrode of the storage battery 210 through a wire. The positive electrode of the storage battery 210 is connected to the trigger elastic piece 218 through a wire. When the conductive convex part 219 contacts the static trigger piece 220, the series circuit formed by the static trigger piece 220, the alarm 203, the storage battery 210, the trigger elastic piece 218 and the conductive convex part 219 is turned on, and the alarm 203 is triggered to turn on.
[0070] When pruning and releasing shoots of the branches of citrus trees, when the locking nut 202 in the blade pre-tightening member becomes loose, resulting in a decrease in the clamping force of the blade pre-tightening member on the first blade assembly and the second blade assembly and dropping below the preset value, during the process of the elastic tension unit moving towards the base insertion rod 205, the trigger elastic piece 218 inside the middle cavity gradually moves towards the insulating pin rod 214 buckled into the middle cavity. When the end of the insulating pin rod 214 contacts the trigger elastic piece 218 and can apply pressure to the trigger elastic piece 218, the elastically deformed trigger elastic piece 218 drives the conductive convex part 219 to contact the static trigger piece 220 and triggers the alarm 203 to turn on, so that the cooperative insurance structure can also trigger the prompt structure through the insulating pin rod 214 buckled into the middle cavity to send out a fault prompt signal. Furthermore, during the process of assembling the first blade assembly and the second blade assembly together through the blade pre-tightening member and applying a clamping force to the first blade assembly and the second blade assembly, the clamping force can be monitored in real time, and when the clamping force of the blade pre-tightening member on the first blade assembly and the second blade assembly drops and is lower than the preset value, a reminder alarm signal can be sent to people in time to remind the shoot releasing personnel to tighten the blade pre-tightening member in time, so that the clamping force of the blade pre-tightening member on the first blade assembly and the second blade assembly reaches the preset value again, avoiding the phenomenon of unable to cut off citrus branches and causing skin clamping during the process of releasing shoots of citrus trees, and at the same time preventing the locking nut 202 in the blade pre-tightening member from further loosening during the process of releasing autumn shoots of citrus trees, and improving the safety of the citrus autumn shoot releasing operation.
[0071] During the process of tightening the locking nut 202 in the blade pre-tightening member, the air pressure in the airtight sliding cavity gradually decreases. When the airtight piston 213 drives the insulating pin rod 214 to move, after the end of the positioning rod 215 abuts against the end of the airtight sliding cavity, the movement stroke of the insulating pin rod 214 is limited by the positioning rod 215. After the insulating pin rod 214 follows the airtight piston 213 to move and is buckled into the inner part of the middle cavity, there is a distance between the end of the insulating pin rod 214 and the side wall of the airtight sliding cavity. In this way, when pruning and releasing the shoots of the branches of citrus trees, when the locking nut 202 in the blade pre-tightening member becomes loose, resulting in the clamping force of the blade pre-tightening member on the first blade assembly and the second blade assembly decreasing and being lower than the preset value, during the process of the elastic tensioning unit moving towards the base insertion rod 205, the trigger elastic piece 218 located inside the middle cavity gradually moves towards the insulating pin rod 214 buckled into the middle cavity. Due to the limiting effect of the positioning rod 215, there is a distance between the end of the insulating pin rod 214 buckled into the middle cavity and the side wall of the middle cavity. In this way, when the end of the insulating pin rod 214 contacts the trigger elastic piece 218 and can apply a pressure less than its elastic limit to the trigger elastic piece 218, the trigger elastic piece 218 that has undergone elastic deformation can drive the conductive protrusion 219 to contact the static trigger piece 220 and trigger the alarm 203 to turn on and still return to its original state, avoiding the insulating pin rod 214 applying a pressure exceeding its elastic limit to the trigger elastic piece 218, which causes the trigger elastic piece 218 to not return to its original state, thereby causing the failure of the prompt structure.
[0072] The embodiment of the present application provides a method for using a pruning device for citrus fruit setting, including the following steps:
[0073] S1. After grinding the cutting edges of the first blade 101 and the second blade 102, then pass the base insertion rod 205 and the elastic tensioning unit in the blade pre-tightening member through the through holes on the first blade 101 and the second blade 102 at the same time;
[0074] S2. After sleeving the locking nut 202 on the end of the hollow cavity screw rod 201 of the elastic tensioning unit, then gradually tighten the locking nut 202 with a tool;
[0075] S3. When the surface of the end plate in the prompt structure is flush with the end surface of the hollow cavity screw rod 201, stop tightening the locking nut 202, so that the first blade assembly and the second blade assembly are pivotally hinged together through the blade pre-tightening member, and at the same time, the clamping force of the blade pre-tightening member on the first blade assembly and the second blade assembly reaches the preset value;
[0076] S4. When using the pruning shears assembled through the steps S1 - S3 above to prune and shoot the branches of citrus trees, if the locking nut 202 in the blade pre-tightening member becomes loose, resulting in a decrease in the clamping force of the blade pre-tightening member on the first blade assembly and the second blade assembly and falling below the preset value, during the process that the elastic tension unit moves towards the base insertion rod 205, the cooperative insurance structure triggers the prompt structure to send out a fault prompt signal through the insulating pin rod 214 snapped into the central cavity, reminding the shoot personnel to tighten the blade pre-tightening member in time, and making the clamping force of the blade pre-tightening member on the first blade assembly and the second blade assembly reach the preset value again, so as to avoid the phenomenon of being unable to cut off the citrus tree branches and causing skin clamping during the process of shooting the citrus trees.
[0077] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A citrus fruit-setting pruning device, characterized in that: The invention comprises a first blade assembly, a second blade assembly and a blade pre-tightening member, wherein the first blade assembly and the second blade assembly are pivotally hinged via the blade pre-tightening member, and the blade pre-tightening member comprises an elastic pulling unit, a locking nut (202) and a base plug (205), wherein one end of the base plug (205) is connected to a limiting head (204), and the other end is connected to a built-in airtight seat (206); The elastic tension unit comprises a cavity screw (201), a gas medium portion (216), and a cooperative safety structure arranged inside the cavity screw (201) and connected to the inner cavity of the cavity screw (201); one end of the built-in airtight seat (206) away from the base plug (205) is sealed and slidably inserted into the bottom opening of the cavity screw (201); an insulating fixed rod (212) is arranged in the inner cavity of the cavity screw (201); one end of the insulating fixed rod (212) is connected to the end of the built-in airtight seat (206), and the other end is sealed and penetrates the top of the cavity screw (201); and a prompt structure is also arranged on the end of the insulating fixed rod (212) away from the built-in airtight seat (206); The outer sealing sliding sleeve of the insulating fixed rod (212) is provided with a driven sealing ring (209) fixedly connected to the inner cavity of the cavity screw (201), and the outer side of the insulating fixed rod (212) is also provided with a pressure spring (208) connected between the driven sealing ring (209) and the built-in airtight seat (206), and the inner cavity of the cavity screw (201) is filled with a gas medium part (216) between the driven sealing ring (209) and the built-in airtight seat (206).
2. The citrus fruit setting pruning device according to claim 1, characterized in that: The outer diameters of the cavity screw (201) and the base plug (205) are equal.
3. The citrus fruit setting pruning device according to claim 1, characterized in that: The first blade assembly comprises a first blade (101), the first blade (101) is connected to a handle portion (103), and the first blade (101) is provided with a through hole adapted to the base plug (205); The second blade assembly comprises a second blade (102), the second blade (102) is also connected to a handle portion (103), and the second blade (102) is also provided with a through hole adapted to the base plug rod (205).
4. The citrus fruit setting pruning device according to claim 1, characterized in that: The cooperative safety structure comprises an airtight sliding cavity, a reciprocating air passage (217) and a conducting air hole arranged inside the cavity screw (201); An airtight piston (213) is sealingly and slidably connected in the airtight sliding cavity, and a positioning rod (215) and an insulating bayonet rod (214) are respectively connected to the same end of the airtight piston (213); The interior of the reciprocating air channel (217) and the interior of the airtight sliding cavity are also filled with a gas medium portion (216).
5. The citrus fruit setting pruning device according to claim 4, characterized in that: One end of the reciprocating air channel (217) is connected to one end of the airtight sliding cavity close to the insulating fixed rod (212), and the other end is connected to the side of the inner cavity of the cavity screw (201).
6. The citrus fruit setting pruning device according to claim 4, characterized in that: One end of the air conduction hole is connected to an end of the airtight sliding cavity away from the insulating fixed rod (212), and the other end passes through the side wall of the cavity screw (201) and is connected to the atmosphere, and the airtight piston (213) is located between the insulating bayonet rod (214) and the air conduction hole.
7. The citrus fruit setting pruning device according to claim 4, characterized in that: The gas medium portion (216) filled in the airtight sliding cavity is located on a side of the airtight piston (213) close to the insulating bayonet rod (214).
8. The citrus fruit setting pruning device according to claim 7, characterized in that: The prompt structure comprises an end plate, a storage battery (210), a static trigger piece (220) and a trigger spring piece (218); The end plate is connected to an alarm (203), and the trigger spring (218) is connected to a conductive protrusion (219).
9. The citrus fruit setting pruning device according to claim 8, characterized in that: A battery slot capable of accommodating a storage battery (210) is provided on one end of the insulating fixed rod (212) away from the built-in airtight seat (206), and the storage battery (210) is arranged in the battery slot; The end plate covers the opening of the battery slot and is sealed and connected to the end of the insulating fixed rod (212); A central groove located between the battery slot and the airtight sliding cavity is formed on the side wall of the insulating fixed rod (212), and the opening of the central groove faces the airtight sliding cavity. The static trigger piece (220) is connected to the inner cavity side wall of the central groove, and the side wall of the static trigger piece (220) is flush with the inner cavity side wall of the central groove. The fixed end of the trigger spring (218) is also connected to the side wall of the inner cavity of the middle groove, and the static trigger piece (220) is arranged opposite to the conductive protrusion (219); One end of the insulating bayonet rod (214) away from the airtight piston (213) is sealed and passes through the interior of the cavity screw (201) and can be movably inserted into the middle cavity; The static trigger piece (220) is connected to the input end of the alarm (203) via a wire, the output end of the alarm (203) is connected to the negative electrode of the storage battery (210) via a wire, the positive electrode of the storage battery (210) is connected to the trigger spring piece (218) via a wire, and when the conductive protrusion (219) contacts the static trigger piece (220), the alarm (203) is triggered to turn on.
10. The method for using the citrus fruit setting pruning device according to claim 4, characterized in that: The following steps are involved: S1, grinding the blades of the first blade (101) and the second blade (102), and then simultaneously passing the base insert (205) and the elastic tension unit in the blade pre-tightening member through the through holes on the first blade (101) and the second blade (102); S2, after the locking nut (202) is put on the end of the hollow screw (201) in the elastic tension unit, the locking nut (202) is gradually tightened with a tool; S3, when the surface of the end plate in the prompt structure is flush with the end surface of the cavity screw (201), stop tightening the locking nut (202), so that the first blade assembly and the second blade assembly are pivotally hinged together through the blade pre-tightening member, and the clamping force of the blade pre-tightening member on the first blade assembly and the second blade assembly reaches a preset value; S4. When using the pruning shears assembled through steps S1-S3 to prune the branches of citrus trees, when the locking nut (202) in the blade pre-tightening member becomes loose, causing the clamping force of the blade pre-tightening member on the first blade assembly and the second blade assembly to decrease and be lower than the preset value, when the elastic tension unit moves toward the base plug rod (205), the cooperative safety structure triggers the prompt structure to send a fault prompt signal to the outside through the insulating latch rod (214) that is buckled into the central cavity, reminding the pruning personnel to tighten the blade pre-tightening member in time, and make the clamping force of the blade pre-tightening member on the first blade assembly and the second blade assembly reach the preset value again, so as to avoid the phenomenon of citrus branches being unable to be cut and the skin being pinched during the pruning process.