High-pressure minimally invasive forest injection machine and control system thereof

Abstract

The utility model relates to the field of garden protection equipment, in particular to a high-pressure minimally invasive forest tree injection machine which is characterized in that a control box is arranged at the lower end of a handle of an electric drill main body, a liquid guide handle is arranged between the control box and a rotating shaft shell, a liquid outlet is formed in a drill bit, and a liquid inlet is formed in the control box. A liquid flowing channel communicated with the liquid inlet and the liquid outlet is formed in the drill bit, the rotating shaft core, the rotating joint shell, the liquid guide handle and the control box, and liquid medicine in the medicine box is sequentially guided into the control box, the liquid guide handle, the rotating joint shell, the rotating shaft core and the drill bit through the pressurizing mechanism and then is driven into a tree trunk. Two-hand operation and a hydraulic liquid guide system are introduced, injection stability and accuracy are improved, the drill bit is reasonable in design, an intelligent control system and a cleaning function are arranged, operation is convenient and fast, and liquid medicine waste is effectively prevented. The injection efficiency, the accuracy and the operation convenience are improved.

Description

Technical Field

[0001] The utility model relates to the field of garden protection equipment, in particular to a high-pressure minimally invasive forest injection machine and a control system thereof. Background Art

[0002] In the prevention and control of garden pests and diseases, one of the commonly used technologies is tree injection of pesticides. This method prevents and controls pests and diseases by injecting a certain amount of pesticides into trees. It has the characteristics of accurate application of pesticides, high utilization rate of pesticide liquid, and less pollution to the environment.

[0003] High-voltage electric injection technology uses electric tools for drilling and injection operations, eliminating the time-consuming and labor-intensive traditional manual operations, greatly improving work efficiency, and only requiring one person to operate, saving labor costs. In addition, through the liquid booster mechanism, the liquid is injected into the tree trunk at a higher pressure and spreads quickly, greatly shortening the injection time and improving the treatment effect. The operation process is simple and intuitive, does not require complex operating steps and professional skills, and is easy to master. Compared with traditional injection methods, this technology reduces the waste of liquid medicine, and the use of electric tools also reduces labor consumption, which is beneficial to environmental protection and resource conservation.

[0004] However, the dosage of tree injections needs to be adjusted according to factors such as the tree species, the type of pests and diseases, the size and health of the tree, and environmental factors. Different types of trees have different growth characteristics and structures, and some tree species may require more pesticides to achieve the desired effect. At the same time, the type and severity of pests and diseases also affect the amount of drugs used. For severely damaged trees, the concentration or dosage of the pesticide may need to be increased. In addition, the size and health of the tree, as well as environmental factors such as temperature and humidity, will also affect the absorption and distribution of the drug. Therefore, the above factors need to be considered comprehensively when injecting pesticides to ensure effective prevention and control of pests and diseases.

[0005] Although the high-pressure tree minimally invasive pesticide gun brings convenience and efficiency, it also shows some design flaws in actual operation.

[0006] Chinese patent number CN202320230862.8 provides a high-pressure tree minimally invasive drug spraying gun, including a drilling assembly and a drug source assembly, the drilling assembly includes an electric drill, a rotary joint and a drill bit, the rotary joint includes a rotary joint shell and a rotary mandrel, the rotary joint shell is fixedly connected to the hand electric drill shell through a bracket, one end of the rotary mandrel is connected to the drill chuck of the electric drill, and the other end of the rotary mandrel is connected to the drill bit, the rotary mandrel shell is provided with a liquid inlet, the drill bit is provided with a liquid outlet, the rotary mandrel and the drill bit are provided with a liquid channel connecting the liquid inlet and the liquid outlet, the drug source assembly includes a medicine pot, and the liquid in the medicine pot is connected to the liquid inlet through a liquid pressurizing mechanism. Although electric tools are used to save time and effort, their integration is poor and their maturity is low. A drug suction nozzle and a drug injection nozzle are respectively provided on the cylinder body. The drug suction nozzle is connected to the medicine pot through a pipeline with a one-way valve, and the drug injection nozzle is connected to the liquid inlet on the rotary joint shell through a pipeline with a one-way valve. During high-pressure injection, the medicine liquid is corroded or has impurities. The one-way valve is easy to cause the rotating core shaft to be connected to the medicine pot by a water pipe. When the staff is drilling, the water pipe shakes at its drilling component, which may not only cause the medicine liquid to be inaccurately positioned during the injection process, but may also cause the medicine liquid to overflow or leak, reducing the efficiency of the use of the medicine and increasing the difficulty of operation.

[0007] Secondly, since the liquid medicine enters the tree trunk under high pressure, if the drilling components are not protected, it is easy for the workers to splash onto the operators, especially the hands and face, during construction. The liquid medicine usually contains harmful chemicals and is corrosive. Operators may inhale or come into contact with these harmful substances, which will pose a great potential risk to their health.

[0008] When operating the injection drilling mechanism, workers need to maintain steady operation for 1-2 minutes, which may cause physical exhaustion for workers holding the electric drill handle with one hand. At the same time, since the injection drilling mechanism is heavy and unstable, holding the electric drill handle with one hand may cause unstable operation, thus affecting the injection effect.

[0009] In addition, the amount of pesticides injected into trees needs to be adjusted according to factors such as tree species, pest type, tree size and health status, and environmental factors. Different types of trees have different growth characteristics and structures, and some tree species may require more pesticides to achieve the desired effect. At the same time, the type and severity of pests and diseases also affect the amount of pesticides used. For severely damaged trees, the concentration or dosage of the pesticide may need to be increased. In addition, the size and health status of the tree, as well as environmental factors such as temperature and humidity, will also affect the absorption and distribution of the drug. Therefore, the above factors need to be considered comprehensively when injecting pesticides to ensure effective prevention and control of pests and diseases.

[0010] At present, high-pressure minimally invasive forest injection machines lack a cleaning function. When workers are working, they only clean the medicine box, and there is still residual medicine / nutrient solution in the pipeline, which not only affects the effect of the next application after changing the liquid, but may even cause cross-contamination. In addition, the diameter of the liquid flow channel and the diameter of the liquid outlet in the drill bit are very small, and they are in direct contact with the trees. If the equipment is not cleaned after use, the accumulated impurities may clog the nozzle and pipeline, affecting the uniformity of the medicine injection and reducing the prevention and control effect. Summary of the invention

[0011] In order to solve the deficiencies in the prior art, the utility model aims to provide a high-pressure minimally invasive forest injection machine and a control system thereof.

[0012] In order to achieve the above functions, the utility model will adopt the following technical solutions:

[0013] A high-pressure minimally invasive forest injection machine comprises a medicine injection and drilling mechanism, a medicine liquid supply mechanism and a boosting mechanism, the medicine liquid supply mechanism comprises a medicine box, the medicine liquid in the medicine box enters the medicine injection and drilling mechanism through the boosting mechanism, the medicine injection and drilling mechanism comprises an electric drill body, a rotary joint and a drill bit, the rotary joint comprises a rotary joint shell and a rotating core shaft, characterized in that the rotating core shaft and the rotary joint shell are supported by bearings and are sealed and connected through a sealing assembly, a control box is provided at the lower end of the handle of the electric drill body, a liquid guide handle is provided between the control box and the rotating shaft shell, wherein a liquid outlet is provided on the drill bit, and a liquid inlet is provided on the control box, a liquid circulation channel connecting the liquid inlet and the liquid outlet is provided in the drill bit, the rotating shaft core, the rotating joint shell, the liquid guide handle and the control box, the medicine liquid in the medicine box is introduced into the control box, the liquid guide handle, the rotating joint shell, the rotating shaft core and the drill bit in sequence through the boosting mechanism, and then is driven into the interior of the tree trunk.

[0014] During the operation of the injection drilling mechanism, workers need to maintain stable continuous operation for 1-2 minutes, which may cause physical exhaustion for workers holding the electric drill handle with one hand. At the same time, due to the heavy weight and low stability of the injection drilling mechanism, holding the electric drill handle with one hand may cause unstable operation, thus affecting the injection effect. After introducing the liquid guide handle between the control box and the rotating shaft housing, workers can operate the drill by holding the electric drill main body handle and the liquid guide handle with both hands respectively. This two-handed operation method can effectively share the weight of the electric drill body, reduce the burden when holding with one hand, and reduce the possibility of physical exhaustion during operation. At the same time, since both hands are fixed in different positions, the injection drilling mechanism can be better controlled and stabilized, thereby improving the accuracy and stability of the injection effect.

[0015] The liquid guiding handle of the utility model is tightly sleeved on the outside of the rotary joint housing, and the liquid outlet of the liquid guiding handle is communicated with the liquid inlet of the rotary joint.

[0016] The utility model discloses a liquid guiding handle with a mounting hole on its upper end that matches the rotary joint housing. A tightening sleeve is arranged in the mounting hole to ensure the tightening between the tightening sleeve and the liquid guiding handle. The liquid guiding handle is sleeved on the outer side of the rotary joint housing through the mounting hole.

[0017] The utility model has a transparent protective cover on the rotary joint shell, a rotary joint installation hole matched with the rotary joint shell is provided in the middle of the protective cover, and the protective cover gradually expands from right to left with the rotary joint installation hole as the center to form a cover body.

[0018] The liquid guiding handle and the protective cover of the utility model are sequentially sleeved on the rotary joint housing from left to right, the protective cover is fixedly connected to the liquid guiding handle, and the protective cover and the liquid guiding handle are respectively provided with matching positioning pins and pin holes, which are convenient for fixing the protective cover and the liquid guiding handle.

[0019] The drill bit of the utility model comprises a cutting part and a supporting part. The supporting part has a built-in liquid flow channel. A liquid outlet is provided at the connection between the supporting part and the cutting part. The liquid inlet of the supporting part is connected with the end of the liquid flow channel of the rotating mandrel.

[0020] The utility model provides a coaxial annular truncated cone on the support part, a locking structure is provided between the rotating mandrel and the drill bit connecting end, a thread matching with a locking nut is provided on the outer surface of the rotating mandrel and the drill bit connecting end, and a liquid circulation channel matching with the drill bit support part is provided inside, the diameter of the annular truncated cone is larger than the diameter of the liquid circulation channel of the rotating mandrel, the drill bit support part is inserted into the liquid circulation channel of the rotating mandrel, and the drill bit and the rotating mandrel are locked by the locking mechanism and then fixed by the locking nut.

[0021] The locking structure of the utility model comprises a groove and a protrusion which are embedded with each other, the groove is located on the annular truncated table, and the protrusion is located at the connection end of the rotating mandrel and the drill bit.

[0022] The liquid circulation channel of the rotating core shaft described in the utility model is divided into a coaxial left liquid circulation channel and a right liquid circulation channel, wherein the diameter of the left liquid circulation channel is smaller than that of the right liquid circulation channel, the right liquid circulation channel cooperates with the supporting part on the left side of the annular cone, and a sealing ring is provided in the liquid circulation channel on the right side of the rotating core shaft, and the sealing ring provides a sealing effect between the liquid circulation channel on the right side of the rotating core shaft and the supporting part.

[0023] The cutting part of the drill bit of the utility model is provided with a twist drill section and a tapered thread section from front to back, and the twist drill section is responsible for the actual drilling process. Tapered threads are widely used to seal liquid medicines, especially under high pressure conditions, because they have advantages such as self-sealing characteristics, increased contact area, high pressure resistance, anti-loosening and self-locking functions. This design can form an effective seal during the tightening process, disperse pressure and prevent liquid leakage or spraying, while simplifying the installation operation and improving the reliability and stability of the system.

[0024] The utility model has a liquid circulation channel in the tapered thread section and the support part, a liquid outlet is provided at the connection between the twist drill section and the tapered thread section, and a liquid inlet is provided at the rear end of the support part.

[0025] The utility model provides a convex block on the twist drill section close to the liquid outlet to prevent wood chips from accumulating and blocking the liquid outlet, thereby ensuring the smooth progress of the liquid medicine injection process.

[0026] The utility model has no less than 2 protrusions, which are distributed in a ring shape on the twist drill along the axis of the drill bit to form a protrusion ring. The protrusions are evenly distributed, which can more effectively prevent blockage.

[0027] The utility model is provided with a controller for easy control.

[0028] The control box of the utility model is provided with an indicator light, a buzzer alarm, a medicine injection switch button and a cleaning switch button.

[0029] The boosting mechanism of the utility model is a push cylinder, a first liquid guide tube is provided between the medicine box and the liquid inlet of the push cylinder, the medicine box is connected with the liquid inlet of the push cylinder through the first liquid guide tube, a second liquid guide tube is provided between the liquid outlet of the push cylinder and the medicine injection drilling mechanism, the second liquid guide tube is a high-pressure liquid guide tube, a first solenoid valve is provided on the first liquid guide tube, and a second solenoid valve is provided on the second liquid guide tube.

[0030] The utility model is provided with a main power supply to provide power support for the entire circuit of the high-voltage minimally invasive forest injection machine.

[0031] The utility model discloses a medicine box with an upper medicine adding port at the upper end and a medicine outlet at the lower end, which is convenient for pouring medicine liquid into the box and for discharging water or medicine liquid during cleaning.

[0032] The utility model is provided with an injection control box, a main power switch and a push cylinder medicine quantity adjustment button on the outside of the injection control box, the push cylinder medicine quantity adjustment button is used to control the cylinder retraction action of the push cylinder, thereby adjusting the delivery amount of the medicine liquid, and the medicine box, controller, push cylinder, main power supply, first solenoid valve and second solenoid valve are all located in the injection control box.

[0033] A control system for a high-pressure minimally invasive forest injection machine is characterized in that the control system includes a controller, a drug injection switch button, a cleaning switch button, a non-contact liquid level sensor, a main power supply, a drug dosage adjustment button, an indicator light, a buzzer alarm, a push cylinder, a first solenoid valve, and a second solenoid valve. The drug injection switch button, the cleaning switch button, the main power switch, the drug dosage adjustment button, and the non-contact liquid level sensor are connected to the controller via an input circuit, and the indicator light, the buzzer alarm, the push cylinder, the first solenoid valve, and the second solenoid valve are connected to the controller via an output circuit.

[0034] During injection, according to the tree species and the condition of the tree, press the dosage adjustment button to adjust the dosage, turn on the main power switch on the medicine box, the indicator light comes on, the push cylinder moves back and forth, the buzzer alarm sounds, operate the electric drill, target the tree, and start drilling. After drilling is completed, press the injection switch button, the indicator light goes out, the first solenoid valve opens, the second solenoid valve closes, the push cylinder absorbs the liquid, after the absorption is completed, the first solenoid valve closes, the second solenoid valve opens, the equipment enters the injection state, and starts to inject liquid / nutrient solution into the tree until the buzzer sounds five times, and the drill is withdrawn, and the injection is completed. The push cylinder moves back and forth to clean the residual liquid or impurities in the liquid guide tube, ensure the pipeline is unobstructed, and avoid the liquid being contaminated by impurities during injection. During the empty movement, the push cylinder will also remove the air inside the liquid guide tube and the push cylinder to prevent air from entering the injection liquid, thereby reducing the impact of air on the injection.

[0035] When changing medicines, first open the liquid outlet, empty the medicine liquid / nutrient solution in the medicine box, close the medicine outlet, add clean water into the medicine box, press the cleaning button, the equipment enters the cleaning state, the equipment repeats the spraying state several times to clean the pipeline. After the cleaning is completed, drain the water in the medicine box, add the medicine liquid / nutrient solution to be injected, and start the next operation.

[0036] When the medicine liquid in the medicine box reaches the warning position, the non-contact liquid level sensor transmits the signal to the controller through the input circuit, and the controller controls the buzzer alarm to sound. The time and length of the buzzer alarm during injection are different from the length of the alarm when the medicine liquid reaches the warning position.

[0037] This utility model has the following advantages by introducing a series of innovative mechanical structures and control systems

[0038] 1. Stable operation and high precision: The traditional one-handed operation of holding the electric drill handle may cause physical exhaustion and unstable operation of workers. This solution introduces a liquid guide handle, which allows workers to use two-handed operation, effectively sharing the weight of the electric drill body, reducing the burden of holding it with one hand, and improving operational stability and accuracy of injection effects.

[0039] 2. Hydraulic liquid delivery system: high-pressure liquid delivery pipeline and solenoid valve control system are used to ensure the stability and accuracy of liquid medicine delivery. By accurately controlling the opening and closing of the solenoid valve, accurate injection of liquid medicine can be achieved, avoiding waste of liquid medicine and uneven injection.

[0040] 3. Cutting efficiency and injection accuracy: The drill bit is reasonably designed with a twist drill section and a tapered thread section, which can efficiently complete drilling and threading, thereby improving the accuracy and efficiency of injection. At the same time, the convex design of the drill bit can prevent wood chips from accumulating and blocking the liquid outlet, ensuring the smooth progress of the liquid injection process.

[0041] 4. Intelligent control system: equipped with a controller and corresponding control panel, so that the operator can easily control the entire injection process. The controller has functions such as indicator lights and buzzer alarms, which can provide timely feedback on the injection status to ensure the safety and reliability of the operation.

[0042] 5. Easy cleaning and maintenance: The equipment has a cleaning function, and the pipeline can be quickly cleaned through the cleaning button to ensure smooth drug delivery and accurate injection. In addition, the medicine box is designed with an upper drug addition port and a lower drug outlet port to facilitate the addition, cleaning and maintenance of the drug solution.

[0043] In summary, the utility model introduces two-handed operation and hydraulic fluid guiding system, improves injection stability and accuracy, has reasonable drill design, is equipped with intelligent control system and cleaning function, is easy to operate and effectively prevents liquid medicine waste. It has significant advantages in improving injection efficiency, accuracy and operation convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 This is a schematic diagram of the structure of a high-pressure minimally invasive forest injection machine.

[0045] Figure 2 for Figure 1 Left view of .

[0046] Figure 3 for Figure 1 Stereoscopic diagram.

[0047] Figure 4 It is a structural diagram of the injection drilling mechanism.

[0048] Figure 5 This is a structural diagram of the injection control box.

[0049] Figure 6 for Figure 5 Left view of .

[0050] Figure 7 for Figure 5 Right view of .

[0051] Figure 8 for Figure 5 Schematic diagram of the internal structure.

[0052] Fig. 9 A schematic diagram of the structure of the protective cover.

[0053] Fig.10 It is a schematic diagram of the structure of the connection between the protective cover and the rotating joint.

[0054] Fig.11 for Fig.10 of Figure 1 Right view of .

[0055] Fig.12 for Fig.10 Top view of the .

[0056] Fig.13 for Fig.10 Stereoscopic diagram.

[0057] Fig.14 This is a schematic diagram of the structure of the liquid guide handle after it is disassembled.

[0058] Fig.15 It is a structural schematic diagram of the drill bit connection mechanism.

[0059] Fig.16 for Fig.15 Right view of .

[0060] Fig.17 for Fig.16 Stereoscopic diagram.

[0061] Fig.18 for Fig.17 Exploded diagram.

[0062] Fig.19 Schematic diagram of the drill bit structure.

[0063] Fig. 20 This is a schematic diagram of the control system of the high-pressure minimally invasive forest injection machine. DETAILED DESCRIPTION

[0064] The utility model will be further described below in conjunction with the accompanying drawings:

[0065] A high-pressure minimally invasive forest injection machine comprises a medicine injection and drilling mechanism 1, a medicine liquid supply mechanism and a boosting mechanism, the medicine liquid supply mechanism comprises a medicine box 2, the medicine liquid in the medicine box 2 enters the medicine injection and drilling mechanism through the boosting mechanism, the medicine injection and drilling mechanism comprises an electric drill body 3, a rotary joint, and a drill bit 4, the rotary joint comprises a rotary joint shell 5 and a rotating mandrel 6, characterized in that the rotating mandrel 6 and the rotary joint shell 5 are supported by bearings and sealed by a sealing component, a control box 7 is provided at the lower end of the handle of the electric drill body, a liquid guide handle 8 is provided between the control box 7 and the rotating shaft shell 5, wherein a liquid outlet 9 is provided on the drill bit, and a liquid inlet is provided on the control box 7, the drill bit 4, the rotating shaft core 6, the rotating joint shell 5, the liquid guide handle 8, and the control box 7 are provided with a liquid circulation channel connecting the liquid inlet and the liquid outlet, the medicine liquid in the medicine box is introduced into the control box 7, the liquid guide handle 8, the rotary joint shell 5, the rotating shaft core 6, and the drill bit 4 in sequence through the boosting mechanism, and then driven into the interior of the tree trunk.

[0066] During the operation of the injection drilling mechanism, workers need to maintain stable continuous operation for 1-2 minutes, which may cause physical exhaustion for workers holding the electric drill handle with one hand. At the same time, due to the heavy weight and low stability of the injection drilling mechanism, holding the electric drill handle with one hand may cause unstable operation, thus affecting the injection effect. After introducing the liquid guide handle between the control box and the rotating shaft housing, workers can operate the drill by holding the electric drill main body handle and the liquid guide handle with both hands respectively. This two-handed operation method can effectively share the weight of the electric drill body, reduce the burden when holding with one hand, and reduce the possibility of physical exhaustion during operation. At the same time, since both hands are fixed in different positions, the injection drilling mechanism can be better controlled and stabilized, thereby improving the accuracy and stability of the injection effect.

[0067] The liquid guiding handle 8 of the utility model is tightly sleeved on the outside of the rotary joint housing 5 , and the liquid outlet of the liquid guiding handle 8 is connected with the liquid inlet of the rotary joint housing 5 .

[0068] The upper end of the liquid guide handle 8 of the utility model is provided with a mounting hole 41 that matches the rotary joint housing 5. A tightening sleeve is provided in the mounting hole 41 to ensure the tightening between the tightening sleeve and the liquid guide handle. The liquid guide handle 8 is sleeved on the outside of the rotary joint housing 5 through the mounting hole 41.

[0069] The utility model has a transparent protective cover 9 on the rotary joint housing 5, and a rotary joint mounting hole 10 matched with the rotary joint housing 5 is provided in the middle of the protective cover 9. The protective cover 9 is centered on the rotary joint mounting hole 10 and gradually expands from right to left to form a cover body 11.

[0070] The liquid guiding handle 8 and the protective cover 9 of the utility model are sequentially sleeved on the rotary joint housing 5 from left to right, and the protective cover is fixedly connected to the liquid guiding handle. The protective cover and the liquid guiding handle are respectively provided with matching positioning pins 12 and pin holes 13, which are convenient for fixing the protective cover and the liquid guiding handle.

[0071] The drill bit of the utility model comprises a cutting part and a supporting part 14 , wherein the supporting part has a built-in liquid flow channel, and the liquid inlet of the supporting part 14 is connected to the end of the liquid flow channel of the rotating mandrel 6 .

[0072] The support part of the utility model is provided with a coaxial annular cone 15, and a locking structure is provided between the connecting end of the rotating core shaft 6 and the drill bit 4. The outer surface of the connecting end of the rotating core shaft 6 and the drill bit 4 is provided with a thread matching with a locking nut 16, and a liquid circulation channel matching with the drill bit support part is provided inside. The diameter of the annular cone is larger than the diameter of the liquid circulation channel of the rotating core shaft. The drill bit support part is inserted into the liquid circulation channel of the rotating core shaft. After the drill bit 4 and the rotating core shaft 6 are locked by the locking mechanism, they are fixed by the locking nut 16.

[0073] The locking structure of the utility model is a groove 17 and a protrusion 18 that fit together. The groove 17 is located on the annular truncated cone 15 , and the protrusion 18 is located at the connection end between the rotating mandrel 6 and the drill bit 4 .

[0074] The liquid circulation channel of the rotating core shaft 6 described in the utility model is divided into a coaxial left liquid circulation channel and a right liquid circulation channel, wherein the diameter of the left liquid circulation channel is smaller than that of the right liquid circulation channel, the right liquid circulation channel cooperates with the supporting part on the left side of the annular cone, and a sealing ring 19 is provided in the liquid circulation channel on the right side of the rotating core shaft, and the sealing ring 19 provides a sealing effect between the liquid circulation channel on the right side of the rotating core shaft and the supporting part.

[0075] The cutting part of the drill bit of the utility model is provided with a twist drill section 20 and a tapered thread section 21 from front to back, and the twist drill section 20 is responsible for the actual drilling process. Tapered threads are widely used to seal liquid medicines, especially under high pressure conditions, because they have advantages such as self-sealing properties, increased contact area, high pressure resistance, anti-loosening and self-locking functions. This design can form an effective seal during the tightening process, disperse pressure and prevent liquid leakage or spraying, while simplifying the installation operation and improving the reliability and stability of the system.

[0076] In the utility model, a liquid circulation channel is provided in the tapered thread section 21 and the support portion 14, a liquid outlet 42 is provided at the connection between the twist drill section 20 and the tapered thread section 21, and a liquid inlet is provided at the rear end of the support portion 14.

[0077] The utility model has a convex block 23 on the twist drill section 20 near the liquid outlet to prevent wood chips from accumulating and blocking the liquid outlet, thereby ensuring the smooth progress of the liquid medicine injection process.

[0078] The number of the convex blocks 23 of the utility model is not less than 2, and the convex blocks are distributed in a ring shape on the twist drill along the axis of the drill bit to form a convex block ring. The convex blocks are evenly distributed, which can more effectively prevent blockage.

[0079] The utility model is provided with a controller 24 for easy control.

[0080] The control box 24 of the utility model is provided with an indicator light 25 , a buzzer alarm 26 , a medicine injection switch button 27 , and a cleaning switch button 28 .

[0081] The boosting mechanism of the utility model is a push cylinder 29, a first liquid guide tube 30 is provided between the medicine box 2 and the liquid inlet of the push cylinder 29, the medicine box 2 is connected with the liquid inlet of the push cylinder 29 through the first liquid guide tube 30, a second liquid guide tube 31 is provided between the liquid outlet of the push cylinder 29 and the medicine injection drilling mechanism 1, the second liquid guide tube 31 is a high-pressure liquid guide tube, a first solenoid valve 32 is provided on the first liquid guide tube 30, and a second solenoid valve 33 is provided on the second liquid guide tube 31.

[0082] The utility model is provided with a main power supply 34 to provide power support for the entire circuit of the high-voltage minimally invasive forest injection machine.

[0083] The utility model medicine box 2 is provided with an upper medicine adding port 35 at the upper end and a medicine outlet 36 at the lower end, which is convenient for pouring the medicine liquid and discharging the water or medicine liquid during cleaning.

[0084] The utility model is provided with an injection control box 37, a main power switch 38 and a push cylinder medicine quantity adjustment button 39 on the outside of the injection control box 37, the push cylinder medicine quantity adjustment button 39 is used to control the cylinder retraction action of the push cylinder, thereby adjusting the delivery amount of the medicine liquid, the medicine box 2, the controller 24, the push cylinder 29, the main power supply 34, the first solenoid valve 31, and the second solenoid valve 33 are all located in the injection control box 37, and a non-contact liquid level sensor 40 is provided on the first liquid guide tube.

[0085] A control system for a high-pressure minimally invasive forest injection machine, characterized in that the control system includes a controller 24, an injection switch button 27, a cleaning switch button 28, a non-contact liquid level sensor 40, a main power supply 34, a dosage adjustment button 39, an indicator light 25, a buzzer alarm 26, a push cylinder 29, a first solenoid valve 31, and a second solenoid valve 33. The injection switch button 27, the cleaning switch button 28, the main power switch 34, the dosage adjustment button 39, and the non-contact liquid level sensor 40 are connected to the controller 24 via an input circuit, and the indicator light 25, the buzzer alarm 26, the push cylinder 29, the first solenoid valve 31, and the second solenoid valve 33 are connected to the controller 24 via an output circuit.

[0086] During injection, according to the tree species and the condition of the tree, press the dosage adjustment button to adjust the dosage, turn on the main power switch on the medicine box, the indicator light comes on, the push cylinder moves back and forth, the buzzer alarm sounds, operate the electric drill, target the tree, and start drilling. After drilling is completed, press the injection switch button, the indicator light goes out, the first solenoid valve opens, the second solenoid valve closes, the push cylinder absorbs the liquid, after the absorption is completed, the first solenoid valve closes, the second solenoid valve opens, the equipment enters the injection state, and starts to inject liquid / nutrient solution into the tree until the buzzer sounds five times, and the drill is withdrawn, and the injection is completed. The push cylinder moves back and forth to clean the residual liquid or impurities in the liquid guide tube, ensure the pipeline is unobstructed, and avoid the liquid being contaminated by impurities during injection. During the empty movement, the push cylinder will also remove the air inside the liquid guide tube and the push cylinder to prevent air from entering the injection liquid, thereby reducing the impact of air on the injection.

[0087] When changing medicines, first open the liquid outlet, empty the medicine liquid / nutrient solution in the medicine box, close the medicine outlet, add clean water into the medicine box, press the cleaning button, the equipment enters the cleaning state, the equipment repeats the spraying state several times to clean the pipeline. After the cleaning is completed, drain the water in the medicine box, add the medicine liquid / nutrient solution to be injected, and start the next operation.

[0088] When the medicine liquid in the medicine box reaches the warning position, the non-contact liquid level sensor transmits the signal to the controller through the input circuit, and the controller controls the buzzer alarm to sound. The time and length of the buzzer alarm during injection are different from the length of the alarm when the medicine liquid reaches the warning position.

[0089] The control system of the high-pressure minimally invasive forest injection machine adopted by the utility model is well designed. Through the dosage adjustment button, the operator can flexibly adjust the dosage according to the type of tree and the disease condition to ensure the accuracy and effectiveness of the application of the medicine. The equipment buttons such as the injection switch button, the cleaning switch button and the main power switch are reasonably set, and the operation is simple and clear, which reduces the difficulty of operation and improves the use efficiency. The non-contact liquid level sensor can monitor the position of the medicine liquid in real time. Once the medicine liquid reaches the warning position, the buzzer alarm can be controlled by the controller to sound an alarm to remind the operator to replace the medicine liquid in time to ensure the continuity and effectiveness of the application of the medicine. During the injection process, the system can automatically control the opening and closing of the first solenoid valve and the second solenoid valve according to the operating steps to ensure the accuracy and stability of the injection of the medicine liquid and improve the effect of the application of the medicine. The cleaning function is reasonably designed. Through repeated spraying of the medicine, the pipeline can be effectively cleaned to ensure smooth transportation of the medicine liquid, avoid pollution and cross infection, and ensure the safety and effectiveness of the application of the medicine. The operation process of changing the medicine is clear and unambiguous. The operator only needs to follow the instructions step by step to complete the process of changing the medicine, which improves the convenience and efficiency of the operation. It integrates multiple advantages such as flexible adjustment, real-time monitoring, precise control and easy operation, which can improve the effect of pesticide application and reduce operational risks.

[0090] The utility model has the following advantages by introducing a series of innovative mechanical structures and control systems:

[0091] First, in terms of stability and accuracy, the structural design of the injection drilling mechanism is one of the important features of the device. Through the bearing support and sealed connection between the rotating mandrel and the rotating joint housing, the stability during operation is guaranteed, and the accuracy of the injection of the liquid medicine is also improved. This design ensures the accuracy of the injection process, so that the liquid medicine can be accurately injected into the tree, achieving a good therapeutic effect.

[0092] Secondly, the introduction of two-handed operation brings more convenience to operators. The design of the liquid guide handle allows workers to hold the main handle of the electric drill and the liquid guide handle with both hands, thereby effectively sharing the weight of the electric drill body, reducing the burden when holding it with one hand, and improving the stability and accuracy of the operation. This design takes into account the comfort and safety of operators during long-term use, making the operation easier and smoother.

[0093] Third, the protection and sealing are well designed. A transparent protective cover is provided on the rotary joint housing, which effectively protects the key components during operation and prevents external objects from interfering with the device. At the same time, the locking structure between the drill cutting part and the support part and the design of the liquid circulation channel ensure the sealing, prevent the leakage of the liquid medicine, and improve the safety and reliability of the system. This design ensures the safety and stability of the operation process and effectively avoids the occurrence of accidents.

[0094] Fourth, reduce clogging. The convex design of the drill bit near the liquid outlet prevents the accumulation and clogging of sawdust, ensuring the smooth progress of the liquid injection process. The uniform distribution of the convex blocks more effectively prevents the occurrence of clogging problems and ensures the continuous and stable operation of the device.

[0095] Fifth, in terms of convenient operation, the control box of the device is equipped with indicator lights, buzzer alarms, injection switch buttons and cleaning switch buttons. The operation interface is simple and clear, which is convenient for workers to operate and monitor. This design allows operators to quickly become familiar with the use of the equipment and improves the efficiency and accuracy of operation.

[0096] Sixth, the liquid medicine supply mechanism is reasonably designed, and the medicine box is provided with a medicine adding port and a medicine outlet at the top and bottom, which is convenient for adding and cleaning the liquid medicine. The booster mechanism adopts a push cylinder, and through the connection of the first liquid guide tube and the second liquid guide tube, the liquid medicine can be stably and efficiently transported to the injection drilling mechanism, ensuring the continuity and effect of the application of the medicine. This design ensures the continuous supply of liquid medicine, enables the device to operate stably for a long time, and improves the effect and reliability of the application of the medicine.

[0097] Finally, the overall control design of the system provides convenience for the operation of the device. The injection control box has built-in key components, which centrally controls the operation and operation of the entire device, improving the system's integration and ease of operation. This design enables operators to control the entire device through simple operating steps, greatly improving the convenience and efficiency of operation.

[0098] In summary, the structural design of this high-pressure minimally invasive forest injection machine fully considers the actual needs of operators, and has many advantages such as stability, accuracy, safety and convenience. It is an efficient and reliable garden protection device.

Claims

1. A high-pressure minimally invasive forest injection machine, comprising a drug injection drilling mechanism, a drug liquid supply mechanism and a pressurizing mechanism, wherein the drug liquid supply mechanism comprises a drug box, and the drug liquid in the drug box enters the drug injection drilling mechanism through the pressurizing mechanism, wherein the drug injection drilling mechanism comprises an electric drill body, a rotary joint, and a drill bit, wherein the rotary joint comprises a rotary joint housing and a rotary mandrel, and wherein the The rotating core shaft and the rotating joint housing are supported by bearings and sealed by a sealing assembly. A control box is provided at the lower end of the electric drill main handle, and a liquid guide handle is provided between the control box and the rotating shaft housing, wherein a liquid outlet is provided on the drill bit, and a liquid inlet is provided on the control box. A liquid flow channel connecting the liquid inlet and the liquid outlet is provided in the drill bit, the rotating shaft core, the rotating joint housing, the liquid guide handle, and the control box. The liquid in the medicine box is guided into the control box, the liquid guide handle, the rotating joint housing, the rotating shaft core, and the drill bit in sequence through a pressurizing mechanism, and then driven into the interior of the tree trunk.

2. A high-pressure minimally invasive forest injection machine according to claim 1, characterized in that The liquid guiding handle is expanded and sleeved on the outside of the rotary joint shell, the liquid outlet of the liquid guiding handle is connected with the liquid inlet of the rotary joint, the upper end of the liquid guiding handle is provided with a mounting hole matching with the rotary joint shell, and an expansion sleeve is provided in the mounting hole to ensure the fastening between the expansion sleeve and the liquid guiding handle, and the liquid guiding handle is sleeved on the outside of the rotary joint shell through the mounting hole.

3. The high-pressure minimally invasive forest injection machine according to claim 1, characterized in that A transparent protective cover is provided on the adapter shell, and a swivel joint mounting hole matching the swivel joint shell is provided in the middle of the protective cover. The protective cover is centered on the swivel joint mounting hole and gradually expands from right to left to form a cover body. The liquid guiding handle and the protective cover are sequentially sleeved on the swivel joint shell from left to right, and the protective cover is fixedly connected to the liquid guiding handle. Matching positioning pins and pin holes are respectively provided on the protective cover and the liquid guiding handle to facilitate fixing the protective cover and the liquid guiding handle.

4. The high-pressure minimally invasive forest injection machine according to claim 1, characterized in that The drill bit includes a cutting part and a supporting part, the supporting part has a built-in liquid flow channel, a liquid outlet is provided at the connection between the supporting part and the cutting part, the liquid inlet of the supporting part is connected with the end of the liquid flow channel of the rotating core shaft, a coaxial annular cone is provided on the supporting part, a locking structure is provided between the rotating core shaft and the connecting end of the drill bit, a thread matching with a locking nut is provided on the outer surface of the connecting end of the rotating core shaft and the drill bit, and a liquid flow channel matching with the drill bit supporting part is provided inside, the diameter of the annular cone is larger than the diameter of the liquid flow channel of the rotating core shaft, the drill bit supporting part is inserted into the liquid flow channel of the rotating core shaft, and the drill bit and the rotating core shaft are locked by the locking mechanism and fixed by the locking nut.

5. A high-pressure minimally invasive forest injection machine according to claim 4, characterized in that The cutting part of the drill bit is provided with a twist drill section and a tapered thread section from front to back. The twist drill section is responsible for the actual drilling process. The tapered thread section and the support part are provided with a liquid circulation channel. A liquid outlet is provided at the connection between the twist drill section and the tapered thread section. A liquid inlet is provided at the rear end of the support part. A bump is provided on the twist drill section near the liquid outlet. The number of the bumps is not less than 2. The bumps are distributed in a ring on the twist drill along the axis of the drill bit to form a bump ring. The bumps are evenly distributed.

6. The high-pressure minimally invasive forest injection machine according to claim 1, characterized in that The boosting mechanism is a push cylinder, a first liquid guide pipe is provided between the medicine box and the liquid inlet of the push cylinder, the medicine box is connected with the liquid inlet of the push cylinder through the first liquid guide pipe, a second liquid guide pipe is provided between the liquid outlet of the push cylinder and the medicine injection drilling mechanism, the second liquid guide pipe is a high-pressure liquid guide pipe, a first solenoid valve is provided on the first liquid guide pipe, a second solenoid valve is provided on the second liquid guide pipe, and a non-contact liquid level sensor is provided on the first liquid guide pipe.

7. The high-pressure minimally invasive forest injection machine according to claim 1, characterized in that The control box is provided with an indicator light, a buzzer alarm, an injection switch button, a cleaning switch button, and a main power supply to provide power support for the entire circuit of the high-voltage minimally invasive forest injection machine.

8. The high-pressure minimally invasive forest injection machine according to claim 1, characterized in that An injection control box is provided, and a main power switch and a push cylinder medicine quantity adjustment button are arranged on the outside of the injection control box. The push cylinder medicine quantity adjustment button is used to control the retraction action of the push cylinder, thereby adjusting the delivery amount of the medicine liquid. The medicine box, controller, push cylinder, main power supply, first solenoid valve and second solenoid valve are all located in the injection control box.

9. A control system for a high-pressure minimally invasive forest injection machine, characterized in that The control system includes a controller, a drug injection switch button, a cleaning switch button, a main power supply, a drug dosage adjustment button, an indicator light, a buzzer alarm, a push cylinder, a first solenoid valve, and a second solenoid valve. The drug injection switch button, the cleaning switch button, the main power switch, and the drug dosage adjustment button are connected to the controller via an input circuit, and the indicator light, the buzzer alarm, the push cylinder, the first solenoid valve, and the second solenoid valve are connected to the controller via an output circuit.

10. A control system for a high-pressure minimally invasive forest injection machine according to claim 9, characterized in that A non-contact liquid level sensor is also provided, and the non-contact liquid level sensor is connected with the controller via an input circuit.

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