Residue-free liquid feeding system

The residue-free liquid feeding system solves the problems of waste and uneven mixing in traditional dry feed feeding by eliminating residues, preventing sedimentation, and providing liquid inlet reminders. It enables fresh feed delivery and automated management, reduces labor intensity, and promotes healthy growth of pigs.

CN118216445BActive Publication Date: 2025-11-11WUXI CULTIVATION MACHINERY
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Patent Information

Application Number
CN202410460295.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-04-17
Publication Date
2025-11-11
Estimated Expiration
2044-04-17

AI Technical Summary

Technical Problem

Traditional dry feed systems suffer from serious feed waste, environmental pollution, and high labor intensity, while liquid feed systems result in uneven feed mixing and residues that affect pig growth.

Method used

The design includes a residue-free liquid feeding system, comprising a residue-free feeding mechanism, an anti-sedimentation mechanism, and a liquid inlet reminder mechanism. The system controls the water pump, stirring blades, and alarm via a control panel to achieve fresh feed delivery, anti-sedimentation, and automatic liquid inlet reminder.

Benefits of technology

Ensure that the feed is fresh each time you feed the pigs, improve the uniformity of feeding, reduce labor intensity, and promote the growth of pigs.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention relates to the field of animal husbandry technology, specifically to a zero-residue liquid feeding system, comprising a feed tank, a feeding trough placed on one side of each feed tank, a feed pipe rack installed inside the feeding trough, a control panel mounted on the surface of the feed tank, and a zero-residue feeding mechanism disposed between the feed tank and the feed pipe rack. The zero-residue feeding mechanism internally includes a zero-residue feeding component, a water tank, and a residual liquid tank. An anti-sedimentation mechanism, consisting of a conical mesh and an anti-sedimentation component, is provided on the surface of the feed tank. A liquid inlet reminder mechanism is provided on one side of the feed tank, internally containing a liquid inlet reminder component and an alarm. This invention not only ensures that the feed fed by the system is fresh each time, which is beneficial to the growth of pigs and improves the uniformity of feed distribution during feeding, but also reduces the labor intensity of personnel using the feeding system.
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Description

Technical Field

[0001] This invention relates to the field of aquaculture technology, specifically to a residue-free liquid feeding system. Background Technology

[0002] Traditional pig farming mostly involves dry feed, which requires feeding to each pen, consuming a lot of manpower; the amount of feed is determined by experience, resulting in serious feed waste; the feeding process generates a lot of dust, causing environmental stress to the pigs; the feeding process is polluting, and the staff turnover is frequent. To address these shortcomings, liquid feeding systems have been developed.

[0003] Feeding systems typically deliver liquid feed to troughs via pipes. After feeding, a small amount of liquid feed may remain in the pipes, resulting in a mixture of old and new feed each time, which can negatively impact pig growth. Feed is usually stored in tanks, which are prone to sedimentation when left to stand, reducing the uniformity of feed distribution during feeding. Furthermore, typical feeding systems require operators to visually monitor the liquid level, as they do not provide automatic alerts, leading to increased workload for operators. Summary of the Invention

[0004] The purpose of this invention is to provide a residue-free liquid feeding system to solve the problems mentioned in the background art, such as the feeding system easily affecting the growth of pigs, low uniformity of feed during feeding, and high labor intensity for workers.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a residue-free liquid feeding system, comprising a feed tank, a feeding trough placed on one side of the feed tank, a feeding pipe rack installed inside the feeding trough, a control panel installed on the surface of the feed tank, a residue-free feeding mechanism provided between the feed tank and the feeding pipe rack, the residue-free feeding mechanism including a residue-free feeding component, a water tank and a residue tank, an anti-sedimentation mechanism provided on the surface of the feed tank, the anti-sedimentation mechanism consisting of a cone mesh and an anti-sedimentation component, a liquid inlet reminder mechanism provided on one side of the feed tank, the liquid inlet reminder mechanism including a liquid inlet reminder component and an alarm.

[0006] Preferably, a residual liquid tank is provided on one side of the feed tank, a water tank is provided on one side of the residual liquid tank, and a feed-free feeding component is provided on one side of the feed tank.

[0007] Preferably, the residue-free feeding assembly consists of an infusion pipe, a one-way valve, a reflux valve, a slanted four-way pipe, a water pump, and a control valve. A water pump is installed on one side of the feed tank, and the input end of the water pump is electrically connected to the output end of the control panel. A slanted four-way pipe is fixed to one end of the water pump, and one end of the slanted four-way pipe is connected to the bottom of the feed tank, the water tank, and the residue tank, respectively. A control valve is installed on the surface of the slanted four-way pipe, and the input end of the control valve is electrically connected to the output end of the control panel.

[0008] Preferably, the other end of the water pump is fixed with a delivery pipe, one end of which extends into the interior of the residual liquid tank. The delivery pipe is connected to the discharge pipe rack, and a reflux valve is installed on the surface of the delivery pipe. The input end of the reflux valve is electrically connected to the output end of the control panel. The reflux valve is located on one side of the discharge pipe rack, and a one-way valve is installed at one end of the discharge pipe rack. The input end of the one-way valve is electrically connected to the output end of the control panel.

[0009] Preferably, the cone mesh is fixed to the inner wall of the bottom of the feed tank and the residual liquid tank, the cone mesh is covered on the outside of the inclined four-way pipe, and an anti-sedimentation component is provided above the cone mesh.

[0010] Preferably, the anti-sedimentation component includes a stirring blade, a pulley, a drive motor, and a flexible plate. The stirring blade is rotatably connected to the inside of the feed tank and the residual liquid tank. A flexible plate is fixed at the bottom of each stirring blade, and the bottom of the flexible plate is in contact with the inner wall of the feed tank and the residual liquid tank, respectively.

[0011] Preferably, a pulley is fitted to one end of the stirring blade, a drive motor is mounted on the surface of the feed tank via a bracket, the input end of the drive motor is electrically connected to the output end of the control panel, and a rotating shaft is fixed to the output end of the drive motor via a coupling, with one end of the rotating shaft fixedly connected to one end of the stirring blade.

[0012] Preferably, the alarms are installed on the surfaces of the feed tank and the water tank, respectively, and a liquid inlet reminder component is provided on one side of the alarm.

[0013] Preferably, the liquid inlet warning component includes a monitoring tube, a float, a float rod, and an alarm plate. The monitoring tube is fixed to the surface of the feed tank and the water tank, respectively, and is connected to the bottom of the feed tank and the water tank.

[0014] Preferably, the monitoring tube has a float plate inside, which slides in conjunction with the monitoring tube. A float rod is provided on the surface of the monitoring tube, one end of which passes through the monitoring tube and is fixedly connected to the surface of the float plate. An alarm trigger is fixed to one end of the float rod, and the alarm trigger cooperates with the alarm.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the residue-free liquid feeding system not only ensures that the feed fed by the feeding system is fresh each time, which is beneficial to the growth of pigs and improves the uniformity of feed when feeding, but also reduces the labor intensity of the staff when using the feeding system.

[0016] 1. By setting up a feed-free feeding mechanism, the mixed feed is guided into the feed tank. When feeding pigs, the control panel can be operated to control the water pump, open and close the control valve connected to the feed tank, and the check valve. The water pump delivers the feed from the feed tank to the feed rack through the infusion pipe. The feed is then discharged into the trough through the feed rack to feed the pigs. Afterward, the control valve connected to the feed tank can be closed, and the control valve connected to the water tank can be opened. The water pump then guides the clean water from the water tank to the infusion pipe to flush away any remaining feed. The check valve can then be closed, and the return valve can be opened, allowing the liquid in the infusion pipe to flow into the residual liquid tank. The liquid can then be discharged for feeding by opening the control valve connected to the residual liquid tank. This achieves the feed-free liquid feeding function of the feeding system, ensuring that the feed fed each time is fresh, which is beneficial to the growth of the pigs.

[0017] 2. By setting up an anti-sedimentation mechanism, the control panel is operated to control the drive motor. Under the action of the drive motor, the stirring blades are rotated, and under the action of the pulley, the stirring blades inside the residual liquid tank are rotated to stir the feed. Under the action of the soft plate, the liquid at the bottom can be stirred to prevent the feed from settling when it is standing. Under the action of the cone mesh, the precipitated clumps can be intercepted to realize the anti-sedimentation function of the feeding system, thereby improving the uniformity of the feed when feeding the system.

[0018] 3. By incorporating a liquid replenishment reminder mechanism, the liquid levels inside the feed tank and water tank gradually decrease during feeding. Since the monitoring tubes are connected to the feed tank and water tank respectively, the liquid levels inside the monitoring tubes decrease synchronously, causing the float to move downwards and the float rod to move synchronously. When the float rod moves the alarm touch plate to contact the alarm, the alarm will sound, reminding the staff to add a fixed amount of water to the feed tank or water tank. This achieves the function of automatically reminding the staff to add liquid when the liquid level is insufficient, thereby reducing the labor intensity of the staff when using the feeding system. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a partial three-dimensional structural schematic diagram of the present invention;

[0021] Figure 3 This is an enlarged structural schematic diagram of the main cross-section of the present invention;

[0022] Figure 4 This is a side view of the structure of the present invention;

[0023] Figure 5 This is a three-dimensional structural diagram of the anti-settling mechanism of the present invention;

[0024] Figure 6 This is an enlarged structural schematic diagram of the liquid inlet reminder mechanism of the present invention.

[0025] In the diagram: 1. Feed tank; 101. Feed trough; 102. Feeding pipe rack; 103. Control panel; 2. Zero-residue feeding mechanism; 201. Zero-residue feeding component; 2011. Infusion pipe; 2012. Check valve; 2013. Return valve; 2014. Slanted four-way pipe; 2015. Water pump; 2016. Control valve; 202. Water tank; 203. Residue tank; 3. Anti-sedimentation mechanism; 301. Conical mesh; 302. Anti-sedimentation component; 3021. Stirring blade; 3022. Pulley; 3023. Drive motor; 3024. Flexible plate; 4. Liquid inlet reminder mechanism; 401. Liquid inlet reminder component; 4011. Monitoring pipe; 4012. Float; 4013. Float rod; 4014. Alarm contact plate; 402. Alarm. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. In addition, the terms "first," "second," "third," "upper," "lower," "left," "right," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. At the same time, in the description of the present invention, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. 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 a direct connection or an indirect connection through an intermediate medium. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] The structure of the residue-free liquid feeding system provided by this invention is as follows: Figure 1 and Figure 2As shown, the system includes a feed tank 1, with a feeding trough 101 placed on one side of each feed tank 1. A feeder 102 is installed inside the feeding trough 101. A control panel 103 is installed on the surface of the feed tank 1. A lithium battery and a processor are embedded inside the control panel 103. The processor includes an amplifier tube, a protection resistor Rm, a filter, an A / D converter, and a microcontroller. The sensor and the protection resistor Rm are connected in parallel with the amplifier tube and then in series with the filter. The signal is converted by the A / D converter and sent to the microcontroller. The display screen receives the processing signal sent by the microcontroller.

[0028] Furthermore, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a feed-free feeding mechanism 2 is installed between the feed tank 1 and the feed pipe rack 102. The feed-free feeding mechanism 2 includes a feed-free feeding component 201, a water tank 202, and a residual liquid tank 203. The residual liquid tank 203 is installed on one side of the feed tank 1, and the water tank 202 is installed on one side of the residual liquid tank 203. The feed-free feeding component 201 is installed on one side of the feed tank 1. The feed-free feeding component 201 consists of a delivery pipe 2011 and a one-way valve 201. 2. The system consists of a reflux valve 2013, a diagonal four-way pipe 2014, a water pump 2015, and a control valve 2016. A water pump 2015 is installed on one side of the feed tank 1. The water pump 2015 can be an SLG series model. The input end of the water pump 2015 is electrically connected to the output end of the control panel 103. A diagonal four-way pipe 2014 is fixed to one end of the water pump 2015. One end of the diagonal four-way pipe 2014 is connected to the feed tank 1, water tank 202, and residual liquid tank 2, respectively. The bottom of 03 is connected, and a control valve 2016 is installed on the surface of the oblique four-way pipe 2014. The model of the control valve 2016 can be TM series. The input end of the control valve 2016 is electrically connected to the output end of the control panel 103. The other end of the water pump 2015 is fixed with a delivery pipe 2011. One end of the delivery pipe 2011 extends into the interior of the residual liquid tank 203. The delivery pipe 2011 is connected to the discharge pipe rack 102. A reflux valve 2013 is installed on the surface of the delivery pipe 2011. The model of the reflux valve 2013 can be TM series. The input end of the reflux valve 2013 is electrically connected to the output end of the control panel 103. The reflux valve 2013 is located on one side of the discharge pipe rack 102. A one-way valve 2012 is installed at one end of the discharge pipe rack 102. The model of the one-way valve 2012 can be TM series. The input end of the one-way valve 2012 is electrically connected to the output end of the control panel 103.

[0029] In use, the mixed feed is guided into the feed tank 1. When feeding pigs, the control panel 103 can be operated to operate the water pump 2015, open the control valve 2016 connected to the feed tank 1, and close the check valve 2012. This allows the water pump 2015 to transport the feed from the feed tank 1 through the infusion pipe 2011 to the feed rack 102. The feed is then discharged through the feed rack 102 into the trough 101 to feed the pigs. The operation can then be closed. The control valve 2016 connected to the feed tank 1 is opened, and the control valve 2016 connected to the water tank 202 is opened, so that the water pump 2015 guides the clean water inside the water tank 202 to the inside of the infusion pipe 2011 to flush the feed residue inside the infusion pipe 2011. Then the one-way valve 2012 can be closed and the return valve 2013 can be opened, so that the liquid inside the infusion pipe 2011 flows to the inside of the residual liquid tank 203. The liquid can be discharged for feeding by opening the control valve 2016 connected to the residual liquid tank 203, so as to realize the function of residual liquid feeding of the feeding system.

[0030] Furthermore, such as Figure 3 and Figure 5 As shown, the surface of the feed tank 1 is provided with an anti-sedimentation mechanism 3, which consists of a cone mesh 301 and an anti-sedimentation component 302. The cone mesh 301 is fixed to the inner wall of the bottom of the feed tank 1 and the residual liquid tank 203. The cone mesh 301 covers the outside of the inclined four-way pipe 2014. The anti-sedimentation component 302 is provided above the cone mesh 301. The anti-sedimentation component 302 includes a stirring blade 3021, a pulley 3022, a drive motor 3023, and a flexible plate 3024. The stirring blade 3021 is rotatably connected to the inside of the feed tank 1 and the residual liquid tank 203. A flexible plate 3024 is fixed at the bottom of each of the 21. The bottom of the flexible plate 3024 is in contact with the inner wall of the feed tank 1 and the residual liquid tank 203 respectively. A pulley 3022 is fitted at one end of the stirring blade 3021. A drive motor 3023 is mounted on the surface of the feed tank 1 through a bracket. The model of the drive motor 3023 can be JO series. The input end of the drive motor 3023 is electrically connected to the output end of the control panel 103. The output end of the drive motor 3023 is fixed to a rotating shaft through a coupling. One end of the rotating shaft is fixedly connected to one end of the stirring blade 3021.

[0031] In use, operate the control panel 103 to control the drive motor 3023 to work. Under the action of the drive motor 3023, the stirring blade 3021 is rotated, and under the action of the pulley 3022, the stirring blade 3021 inside the residual liquid tank 203 is rotated to stir the feed. Under the action of the flexible plate 3024, the liquid at the bottom can be stirred to prevent the feed from settling when it is left to stand. Under the action of the cone mesh 301, the precipitated clumps of particles can be intercepted to realize the anti-sedimentation function of the feeding system.

[0032] Furthermore, such as Figure 6 As shown, a liquid inlet reminder mechanism 4 is provided on one side of the feed tank 1. The liquid inlet reminder mechanism 4 contains a liquid inlet reminder component 401 and an alarm 402. The alarm 402 is installed on the surfaces of both the feed tank 1 and the water tank 202. The alarm 402 can be of the HM series. The liquid inlet reminder component 401 is located on one side of the alarm 402. The liquid inlet reminder component 401 contains a monitoring tube 4011, a float 4012, a float rod 4013, and an alarm contact plate 4014. The monitoring tube 4011 is fixed to the feed tank. The monitoring tube 4011 is connected to the bottom of the feed tank 1 and the water tank 202 respectively. The monitoring tube 4011 is equipped with a float plate 4012 inside, which slides with the monitoring tube 4011. The surface of the monitoring tube 4011 is equipped with a float rod 4013. One end of the float rod 4013 passes through the monitoring tube 4011 and is fixedly connected to the surface of the float plate 4012. One end of the float rod 4013 is fixed with an alarm piece 4014, which cooperates with the alarm 402.

[0033] During use, when feeding, the liquid inside feed tank 1 and water tank 202 will gradually decrease. Since the monitoring tube 4011 is connected to feed tank 1 and water tank 202 respectively, the liquid inside the monitoring tube 4011 decreases synchronously, causing the float plate 4012 to move downwards and the float rod 4013 to move synchronously. When the float rod 4013 moves the alarm plate 4014 to contact the alarm 402, the alarm 402 will sound an alarm, reminding the staff to add a certain amount of water to feed tank 1 or water tank 202, so as to realize the function of automatically reminding the staff to add liquid when the liquid level is insufficient.

[0034] Working principle: In use, the mixed feed is first guided into the feed tank 1. When feeding pigs, the control panel 103 can be operated to control the water pump 2015, open the control valve 2016 connected to the feed tank 1, and close the check valve 2012. This allows the water pump 2015 to transport the feed from the feed tank 1 to the feed rack 102 via the infusion pipe 2011. The feed is then discharged into the trough 101 through the feed rack 102 to feed the pigs. Afterward, the control panel connected to the feed tank 1 can be closed. Valve 2016 is opened, and the control valve 2016 connected to the water tank 202 is opened, so that the water pump 2015 guides the clean water inside the water tank 202 to the inside of the infusion pipe 2011 to flush the feed residue inside the infusion pipe 2011. Then, the one-way valve 2012 can be closed and the return valve 2013 can be opened, so that the liquid inside the infusion pipe 2011 flows into the residual liquid tank 203. The liquid can be discharged for feeding by opening the control valve 2016 connected to the residual liquid tank 203, so as to realize the function of residual liquid feeding of the feeding system, so that the feed fed by the feeding system is fresh every time, which is beneficial to the growth of pigs.

[0035] Before feeding, the control panel 103 can be operated to control the drive motor 3023 to work. Under the action of the drive motor 3023, the stirring blade 3021 is rotated, and under the action of the pulley 3022, the stirring blade 3021 inside the residual liquid tank 203 is rotated to stir the feed. Under the action of the soft plate 3024, the liquid at the bottom can be stirred to prevent the feed from settling when it is standing. Under the action of the cone mesh 301, the precipitated clumps of particles can be intercepted to realize the anti-sedimentation function of the feeding system, thereby improving the uniformity of the feed when feeding.

[0036] During feeding, the liquid levels inside feed tank 1 and water tank 202 gradually decrease. Since monitoring tube 4011 is connected to feed tank 1 and water tank 202 respectively, the liquid levels inside monitoring tube 4011 decrease synchronously, causing float plate 4012 to move downwards and float rod 4013 to move synchronously. When float rod 4013 moves the alarm touch plate 4014 to contact alarm 402, alarm 402 sounds an alarm, reminding staff to add a fixed amount of water to feed tank 1 or water tank 202. This realizes the function of automatically reminding staff to add liquid when the liquid level is insufficient, thereby reducing the labor intensity of staff when using the feeding system and ultimately completing the use of the feeding system.

[0037] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A residue-free liquid feeding system, comprising a feed tank (1), characterized in that: A feeding trough (101) is placed on one side of each feed tank (1). A feeding tube rack (102) is installed inside the feeding trough (101). A control panel (103) is installed on the surface of the feed tank (1). A feedless feeding mechanism (2) is provided between the feed tank (1) and the feeding tube rack (102). The feedless feeding mechanism (2) includes a feedless feeding component (201), a water tank (202), and a residual liquid tank (203). An anti-sedimentation mechanism (3) is provided on the surface of the feed tank (1). The anti-sedimentation mechanism (3) is composed of a cone mesh (301) and an anti-sedimentation component (302). A liquid inlet reminder mechanism (4) is provided on one side of the feed tank (1). The liquid inlet reminder mechanism (4) includes a liquid inlet reminder component (401) and an alarm (402). A residual liquid tank (203) is provided on one side of the feed tank (1), and a water tank (202) is provided on one side of the residual liquid tank (203). A feed-free feeding assembly (201) is provided on one side of the feed tank (1). The feed-free feeding assembly (201) consists of an infusion pipe (2011), a one-way valve (2012), a return valve (2013), a diagonal four-way pipe (2014), a water pump (2015), and a control valve (2016). A water pump (2015) is provided on one side of the feed tank (1). The input end of the water pump (2015) is electrically connected to the output end of the control panel (103). A diagonal four-way pipe (2014) is fixed to one end of the water pump (2015). One end of the diagonal four-way pipe (2014) is connected to the bottom of the feed tank (1), the water tank (202), and the residual liquid tank (203), respectively. A control valve (2016) is installed on the surface of the through pipe (2014). The input end of the control valve (2016) is electrically connected to the output end of the control panel (103). The other end of the water pump (2015) is fixed with a delivery pipe (2011). One end of the delivery pipe (2011) extends into the interior of the residual liquid tank (203). The delivery pipe (2011) is connected to the discharge pipe rack (102). A reflux valve (2013) is installed on the surface of the delivery pipe (2011). The input end of the reflux valve (2013) is electrically connected to the output end of the control panel (103). The reflux valve (2013) is located on one side of the discharge pipe rack (102). A one-way valve (2012) is installed at one end of the discharge pipe rack (102). The input end of the one-way valve (2012) is electrically connected to the output end of the control panel (103). The cone mesh (301) is fixed to the inner wall of the bottom of the feed tank (1) and the residual liquid tank (203). The cone mesh (301) is covered on the outside of the inclined four-way pipe (2014). An anti-sedimentation component (302) is provided above the cone mesh (301). The anti-sedimentation component (302) includes a stirring blade (3021), a pulley (3022), a drive motor (3023), and a flexible plate (3024). The stirring blade (3021) is rotatably connected to the inside of the feed tank (1) and the residual liquid tank (203). A flexible plate (3024) is fixed at the bottom of the stirring blade (3021). The bottom of the flexible plate (3024) is in contact with the inner wall of the feed tank (1) and the residual liquid tank (203). The alarm (402) is installed on the surface of the feed tank (1) and the water tank (202) respectively. A liquid inlet reminder component (401) is provided on one side of the alarm (402). The liquid inlet reminder component (401) contains a monitoring tube (4011), a float (4012), a float rod (4013) and an alarm touch plate (4014). The monitoring tube (4011) is fixed on the surface of the feed tank (1) and the water tank (202) respectively. The monitoring tube (4011) is connected to the bottom of the feed tank (1) and the water tank (202) respectively.

2. The residue-free liquid feeding system according to claim 1, characterized in that: One end of the stirring blade (3021) is fitted with a pulley (3022), and a drive motor (3023) is mounted on the surface of the feed tank (1) via a bracket. The input end of the drive motor (3023) is electrically connected to the output end of the control panel (103), and the output end of the drive motor (3023) is fixed with a rotating shaft via a coupling. One end of the rotating shaft is fixedly connected to one end of the stirring blade (3021).

3. The residue-free liquid feeding system according to claim 1, characterized in that: The monitoring tube (4011) is equipped with a float plate (4012) inside, and the float plate (4012) slides with the monitoring tube (4011). The surface of the monitoring tube (4011) is equipped with a float rod (4013), one end of which passes through the monitoring tube (4011) and is fixedly connected to the surface of the float plate (4012). One end of the float rod (4013) is fixed with an alarm piece (4014), and the alarm piece (4014) cooperates with the alarm (402).

Citation Information

Patent Citations

  • Live pig breeding intelligent liquid-state feeding system

    CN108990823A

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