Online cleaning device and dairy product sampling system

Abstract

The utility model relates to the technical field of dairy product processing, and provides an online cleaning device and a dairy product sampling system. The online cleaning device comprises a water supply unit, a liquid preparation unit, a cleaning pipeline, a first cleaning tank and a second cleaning tank; the water supply unit is respectively communicated with the liquid preparation unit, the cleaning pipeline and a spray head corresponding to the second cleaning tank, and the spray head is used for spraying clean water into the second cleaning tank; the liquid preparation unit is used for preparing cleaning liquid based on the clean water supplied by the water supply unit, and the liquid preparation unit communicates with the first cleaning tank so as to supply the prepared cleaning liquid into the first cleaning tank; the first cleaning tank and the second cleaning tank are respectively communicated with a sampling tank of the sampling device through a cleaning pipeline, and can be used for accommodating a sampling assembly communicated with the sampling tank so as to clean the sampling assembly. According to the online cleaning device, the sampling tank and the sampling assembly of the sampling device can be cleaned online by adopting clean water and cleaning liquid, and compared with manual cleaning, the cleaning efficiency is ensured, and the cleaning cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to dairy product processing technical field especially, relate to an online cleaning device and dairy product sampling system. BACKGROUND

[0002] In the dairy product processing, generally first through sampling device to raw milk sampling, obtain raw milk sample, after completing the sampling of raw milk sample, raw milk sample is transported to each detection workstation for detection.

[0003] In practical application, sampling device needs to be cleaned before sampling, ensure that the raw milk sample of sampling is not contaminated, and the existing cleaning work is usually realized manually by manual, and this cleaning mode is time -consuming and labor -intensive, needs many people to cooperate, not only cost is high, and causes the waste of human resources. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of online cleaning device and dairy product sampling system to at least solve or improve the problem of time -consuming and labor -intensive, higher cleaning cost of existing sampling device using manual cleaning mode.

[0005] In the first aspect, the utility model provides a kind of online cleaning device, comprising: water supply unit, liquid preparation unit, cleaning pipeline, first cleaning tank and second cleaning tank;

[0006] The water supply unit is communicated with the corresponding spray head of the liquid preparation unit, the cleaning pipeline and the second cleaning tank respectively, and the spray head is used to spray clean water into the second cleaning tank;

[0007] The liquid preparation unit is used to configure cleaning liquid based on the clean water supplied by the water supply unit, and the liquid preparation unit and the first cleaning tank are communicated to supply the configured cleaning liquid into the first cleaning tank;

[0008] The first cleaning tank and the second cleaning tank are configured to be communicated with sampling tank of sampling device through the cleaning pipeline respectively, and can accommodate sampling assembly communicated with the sampling tank to clean the sampling assembly.

[0009] According to the online cleaning device provided by the utility model, the liquid preparation unit includes stock solution barrel, peristaltic pump and batching box;

[0010] The stock solution barrel is communicated with the batching box by the peristaltic pump, the water supply unit is communicated with the batching box by flow meter, and the batching box is communicated with the first cleaning tank.

[0011] According to the online cleaning device provided by the utility model, the stock solution barrel includes at least one of acid liquid barrel, lye barrel and disinfectant barrel.

[0012] According to the online cleaning device, the dosing tank is provided with a temperature sensor and a first heater, the temperature sensor is used for collecting temperature information of cleaning liquid in the dosing tank, and the first heater is used for heating the cleaning liquid in the dosing tank.

[0013] And / or, the dosing tank is provided with a liquid level sensor, and the liquid level sensor is used for detecting liquid level information of cleaning liquid in the dosing tank.

[0014] According to the online cleaning device, the cleaning pipeline comprises a booster pump, the water supply unit is communicated with the water inlet end of the booster pump through a first control valve, the first cleaning tank is communicated with the water inlet end of the booster pump through a second control valve, the second cleaning tank is communicated with the water inlet end of the booster pump through a third control valve, and the water outlet end of the booster pump is configured to be communicated with the cleaning liquid inlet of the sampling tank.

[0015] According to the online cleaning device, at least one of the first cleaning tank and the second cleaning tank is configured to be capable of receiving liquid discharged from the liquid discharge port of the sampling tank.

[0016] According to the online cleaning device, at least one of the first cleaning tank and the second cleaning tank is provided with a second heater for heating internal liquid.

[0017] In a second aspect, the utility model also provides a dairy product sampling system, include: sampling device and the online cleaning device as described above;

[0018] The sampling device comprises a sampling tank and a sampling assembly in communication with the sampling tank, the cleaning pipeline and the sampling tank are communicated, and the sampling assembly is configured to be capable of being accommodated in the first cleaning tank and the second cleaning tank, respectively.

[0019] The sampling assembly is used for sampling raw milk from a milk tank truck and conveying the raw milk sample obtained by sampling into the sampling tank.

[0020] According to the dairy product sampling system, the sampling assembly comprises a sampling pipe, a first end of the sampling pipe is used for sampling from the milk tank truck, a second end of the sampling pipe is communicated with the sampling tank, and the sampling tank is configured to be communicated with a negative pressure device.

[0021] According to the dairy product sampling system, the sampling assembly further comprises a moving seat and a telescopic support, and the sampling pipe is a sampling hose.

[0022] The mobile seat is arranged on a sampling vehicle, and the mobile seat is driven to move by the sampling vehicle; the telescopic frame is arranged on the mobile seat and can be lifted in the vertical direction; at least part of the sampling hose extends along the extension direction of the telescopic frame and reaches the bottom end of the telescopic frame.

[0023] The online cleaning device and the dairy product sampling system provided by the utility model, through setting water supply unit, liquid preparation unit, cleaning pipeline, first cleaning tank and second cleaning tank, liquid preparation unit can carry out online preparation of cleaning liquid based on clean water supplied by water supply unit, when cleaning sampling device, can respectively deliver cleaning liquid in first cleaning tank and clean water in second cleaning tank to sampling tank of sampling device through cleaning pipeline, and cleaned liquid in sampling tank can return to first cleaning tank or second cleaning tank along sampling assembly, and when using cleaning liquid in first cleaning tank and clean water in second cleaning tank to soak sampling assembly, can also use clean water sprayed by spray head to clean outer surface of sampling assembly, so that sampling device can be completely cleaned, and the cleanness of each part of sampling device associated with raw milk sample is ensured.

[0024] From the above, the utility model can use clean water and cleaning liquid to clean sampling device online, the cleaning effect is good, compared with manual cleaning, the cleaning efficiency is ensured, the cleaning cost is reduced, and it is beneficial to ensure that the raw milk sample collected by the sampling device is not polluted. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme in the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without paying creative labor.

[0026] Figure 1 It is the structure schematic view of the dairy product sampling system provided by the utility model.

[0027] Figure 2 It is the structure schematic view of the sampling device provided by the utility model (not including sampling tank).

[0028] Figure 3 It is the structure schematic view of the sampling assembly provided by the utility model.

[0029] Reference signs:

[0030] 1. Water supply unit; 2. Liquid preparation unit; 21. Raw material tank; 22. Peristaltic pump; 23. Mixing tank; 3. Cleaning pipeline; 31. Booster pump; 32. First control valve; 33. Second control valve; 34. Third control valve; 4. First cleaning tank; 5. Second cleaning tank; 50. Spray head;

[0031] 6. Sampling device; 61. Sampling tank; 62. Sampling assembly; 63. Sampling vehicle; 621. Sampling tube; 622. Movable seat; 623. Telescopic frame; 6231. Frame body; 624. Locking assembly; 6241. Locking element; 6242. Lever mechanism; 625. Salvage net. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0033] The following is combined with Figures 1-3 The online cleaning device and dairy product sampling system provided by the utility model embodiments will be described in detail through specific implementation examples and application scenarios.

[0034] In the first aspect, such as Figure 1 As shown, this utility model provides an online cleaning device, including: a water supply unit 1, a liquid dispensing unit 2, a cleaning pipeline 3, a first cleaning tank 4, and a second cleaning tank 5;

[0035] The water supply unit 1 is connected to the liquid preparation unit 2, the cleaning pipeline 3 and the spray head 50 corresponding to the second cleaning tank 5 respectively. The spray head 50 is used to spray clean water into the second cleaning tank 5.

[0036] The liquid preparation unit 2 is used to prepare the cleaning solution based on the clean water supplied by the water supply unit 1. The liquid preparation unit 2 is connected to the first cleaning tank 4 to supply the prepared cleaning solution into the first cleaning tank 4.

[0037] The first cleaning tank 4 and the second cleaning tank 5 are respectively connected to the sampling tank 61 of the sampling device 6 through the cleaning pipeline 3, and are capable of accommodating the sampling component 62 connected to the sampling tank 61 for cleaning the sampling component 62.

[0038] Understandably, water supply unit 1 is used to supply clean water, which is purified water.

[0039] The liquid preparation unit 2 can be arranged on the upper side of the sampling tank 61, and can be used to prepare disinfectant, acid or alkali solution. The disinfectant can be sodium hypochlorite solution or hydrogen peroxide solution, the acid can be hydrogen chloride solution, and the alkali can be sodium hydroxide solution.

[0040] The first cleaning tank 4 and the second cleaning tank 5 are arranged on the lower side of the sampling tank 61 and are open upward. The cleaning pipeline 3 can be used to deliver the cleaning liquid in the first cleaning tank 4 and the clean water in the second cleaning tank 5 to the sampling tank 61 of the sampling device 6 under the action of the pumping device, so as to clean the sampling tank 61 and the sampling assembly 62 connected with the sampling tank 61. The sampling assembly 62 is usually arranged on the sampling trolley 63 and is moved between the milk tank trolley, the first cleaning tank 4 and the second cleaning tank 5 under the driving of the sampling trolley 63, so that the sampling assembly 62 can be soaked in the cleaning liquid in the first cleaning tank 4 and the clean water in the second cleaning tank 5.

[0041] The spray head 50 is arranged on the upper side of the second cleaning tank 5 and faces the opening of the second cleaning tank 5. When the sampling assembly 62 is accommodated in the second cleaning tank 5, the spray head 50 sprays clean water to the surface of the sampling assembly 62 to flush the sampling assembly 62.

[0042] In order to conveniently control the working state of the wire cleaning device, a control module and a man-machine interaction module can be arranged on the wire cleaning device. The man-machine interaction module and the control module are electrically connected, and the control module is electrically connected with corresponding executing elements on the water supply unit 1, the liquid preparation unit 2 and the cleaning pipeline 3. The working staff can send a control instruction through the man-machine interaction module, and the control module responds to the control instruction to control the working state of the water supply unit 1, the liquid preparation unit 2 and the cleaning pipeline 3.

[0043] The man-machine interaction module can be a touch screen, the control module can be a single-chip microcomputer or a PLC controller, and the corresponding executing elements on the cleaning pipeline 3 can be valves and / or water pumps.

[0044] The online cleaning device and the dairy product sampling system have the advantages that the sampling device 6 can be cleaned on line by using clean water and cleaning liquid, the cleaning effect is good, the cleaning efficiency is ensured, the cleaning cost is reduced, and the dairy sample collected by the sampling device 6 is not polluted.

[0045] As can be seen from the above, the online cleaning device and the dairy product sampling system have the advantages that the sampling device 6 can be cleaned on line by using clean water and cleaning liquid, the cleaning effect is good, the cleaning efficiency is ensured, the cleaning cost is reduced, and the dairy sample collected by the sampling device 6 is not polluted.

[0046] In some embodiments, as shown in FIG. Figure 1 The liquid preparation unit 2 comprises a stock solution barrel 21, a peristaltic pump 22 and a batching box 23; the stock solution barrel 21 is communicated with the batching box 23 through the peristaltic pump 22, the water supply unit 1 is communicated with the batching box 23 through a flow meter, and the batching box 23 is communicated with the first cleaning tank 4.

[0047] It can be understood that, in the process of liquid preparation, the stock solution barrel 21 quantitatively adds stock solution to the batching box 23 through the peristaltic pump 22, and the water supply unit 1 quantitatively adds clean water to the batching box 23 through the flow meter, so as to realize the preparation of the cleaning liquid.

[0048] The stock solution barrel 21 comprises at least one of an acid liquid barrel, an alkali liquid barrel and a disinfectant barrel; in order to meet the actual application requirements, three sets of liquid preparation units 2 can be arranged, the stock solution barrel 21 of the first set of liquid preparation units 2 is selected from an acid liquid barrel containing acid liquid, the stock solution barrel 21 of the second set of liquid preparation units 2 is selected from an alkali liquid barrel containing alkali liquid, and the stock solution barrel 21 of the third set of liquid preparation units 2 is selected from a disinfectant barrel containing disinfectant.

[0049] In actual application, before each liquid preparation, each liquid preparation unit 2 is cleaned by using the corresponding stock solution, and the waste liquid of cleaning is discharged into a waste water collection pool.

[0050] In the cleaning operation link, the sampling device 6 can be sequentially cleaned according to the following processes: (a) clean water flushing→disinfectant soaking flushing→clean water flushing; (b) clean water flushing→acid liquid soaking flushing→clean water flushing; (c) clean water flushing→alkali liquid soaking flushing→clean water flushing.

[0051] In some embodiments, as shown in Figure 1 In order to facilitate the control of the temperature of the cleaning liquid in the ingredient tank 23, the ingredient tank 23 is configured with a temperature sensor, which is identified by T1, and a first heater, which is identified by K1, and the first heater can be an electric heating wire. The temperature sensor is used to collect the temperature information of the cleaning liquid in the ingredient tank 23, and the first heater is used to heat the cleaning liquid in the ingredient tank 23.

[0052] Optionally, the temperature sensor is configured to be electrically connected with a control module, which can be a single-chip microcomputer or a PLC controller. The control module is electrically connected with the first heater. The control module can control the working state of the first heater according to the temperature information fed back by the temperature sensor, so as to maintain the temperature of the cleaning liquid in the ingredient tank 23 within a set range.

[0053] In some embodiments, as shown in Figure 1 The ingredient tank 23 is configured with a liquid level sensor, which is identified by H1. The liquid level sensor is used to detect the liquid level information of the cleaning liquid in the ingredient tank 23.

[0054] In some embodiments, as shown in Figure 1 The cleaning pipeline 3 includes a booster pump 31. The water supply unit 1 is communicated with the water inlet end of the booster pump 31 through a first control valve 32. The first cleaning tank 4 is communicated with the water inlet end of the booster pump 31 through a second control valve 33. The second cleaning tank 5 is communicated with the water inlet end of the booster pump 31 through a third control valve 34. The water outlet end of the booster pump 31 is configured to be communicated with the cleaning liquid inlet of the sampling tank 61.

[0055] It can be understood that the first control valve 32, the second control valve 33 and the third control valve 34 can all be two-position two-way electromagnetic valves known in the art.

[0056] At least one of the first cleaning tank 4 and the second cleaning tank 5 is configured to be capable of receiving the liquid discharged from the liquid discharge port of the sampling tank 61. At least one of the first cleaning tank 4 and the second cleaning tank 5 is configured with a second heater for heating the liquid inside, which is identified by K2 in the drawings, and the second heater can be an electric heating wire. Figure 1

[0057] ​In practical application, the first control valve 32 can be controlled to be opened, and the booster pump 31 can be controlled to be started to run, so that the corresponding pipeline of the sampling device 6 is cleaned by the clean water supplied by the water supply unit 1. The second control valve 33 can be controlled to be opened, and the booster pump 31 can be controlled to be started to run, so that the corresponding pipeline of the sampling device 6 is reciprocatingly cleaned by the cleaning liquid supplied by the first cleaning tank 4. The third control valve 34 can be controlled to be opened, and the booster pump 31 can be controlled to be started to run, so that the corresponding pipeline of the sampling device 6 is reciprocatingly cleaned by the clean water supplied by the second cleaning tank 5.

[0058] As shown in Figure 1 The side of the first cleaning tank 4 is provided with a first liquid outlet, the first liquid outlet is communicated with the first port of the first three-way valve through the second control valve 33, the third port of the first three-way valve and the water inlet end of the booster pump 31 are communicated. The side of the second cleaning tank 5 is provided with a second liquid outlet, the second liquid outlet is communicated with the first port of the second three-way valve through the third control valve 34, the water supply unit 1 is communicated with the second port of the second three-way valve through the first control valve 32, the third port of the second three-way valve and the second port of the first three-way valve are communicated.

[0059] In addition, the bottom of the first cleaning tank 4 and the bottom of the second cleaning tank 5 are provided with liquid outlets, and the waste liquid in the first cleaning tank 4 and the second cleaning tank 5 can be discharged to the waste water collection pool through the corresponding liquid outlet.

[0060] In practical application, the sampling device 6 can be cleaned according to the following operation process, as shown below:

[0061] Firstly, after the sampling assembly 62 is removed from the milk tank truck, the sampling assembly 62 is placed in the second cleaning tank 5, the surface of the sampling assembly 62 is cleaned by the clean water sprayed by the spray head 50, and the cleaning liquid is discharged to the waste water collection pool from the liquid outlet at the bottom of the second cleaning tank 5; then, the corresponding pipeline of the sampling device 6 is cleaned once by the cleaning pipeline 3.

[0062] Secondly, the sampling assembly 62 is placed in the first cleaning tank 4, the sampling assembly 62 is soaked by the disinfectant, and the corresponding pipeline of the sampling device 6 is cleaned once by the disinfectant.

[0063] Thirdly, the corresponding pipeline of the sampling device 6 is cleaned once by the cleaning pipeline 3, the cleaning water is stored in the second cleaning tank 5, and is used for the next first cleaning of the corresponding pipeline of the sampling device 6, and the waste liquid after flushing is discharged to the waste water collection pool.

[0064] After the sampling of the raw milk sample is completed, if the sampling operation is not restarted, the sampling assembly 62 is placed in the first cleaning tank 4, the sampling assembly 62 is soaked with the disinfectant liquid, and the clean water in the second cleaning tank 5 is drained; if the sampling operation is restarted, the sampling assembly 62 is placed in the second cleaning tank 5, the sampling device 6 corresponding pipeline is cleaned with the clean water by the cleaning pipeline 3, and the cleaned water is stored in the second cleaning tank 5.

[0065] In a second aspect, as shown in the embodiments of the utility model, the utility model also provides a dairy product sampling system, including: sampling device 6 and the online cleaning device as described above; Figure 1

[0066] The sampling device 6 includes a sampling tank 61 and a sampling assembly 62 communicated with the sampling tank 61, the cleaning pipeline 3 is communicated with the sampling tank 61, and the sampling assembly 62 is configured to be capable of being accommodated in the first cleaning tank 4 and the second cleaning tank 5 respectively;

[0067] The sampling assembly 62 is used to sample raw milk from the milk tank truck, and the raw milk sample obtained by sampling is transported into the sampling tank 61.

[0068] It can be understood that, since the dairy product sampling system includes the online cleaning device, the specific structure of the online cleaning device refers to the above-mentioned embodiments, so the online cleaning device of the embodiment includes all the technical solutions of the above-mentioned embodiments, and therefore at least has all the beneficial effects obtained by all the technical solutions of the above-mentioned embodiments, which will not be repeated here.

[0069] As shown in the embodiments of the utility model, Figure 1 and Figure 3 The sampling assembly 62 includes a sampling pipe 621, the first end of the sampling pipe 621 is used to sample from the milk tank truck, the second end of the sampling pipe 621 is communicated with the sampling tank 61, and the sampling tank 61 is configured to be communicated with the negative pressure equipment.

[0070] It can be understood that the negative pressure equipment can be a vacuum pump, during the sampling process, the negative pressure equipment performs vacuumizing treatment on the sampling tank 61, so that the sampling tank 61 presents a negative pressure state, and under the action of the air pressure difference, the raw milk in the milk tank truck enters into the sampling tank 61 along the sampling pipe 621.

[0071] The sampling tank 61 has a containing cavity, a vacuumizing port communicated with the containing cavity, a cleaning liquid inlet, a liquid discharge port and a tank port, the vacuumizing port is communicated with the negative pressure equipment through a vacuumizing pipeline, the water outlet end of the booster pump 31 is communicated with the cleaning liquid inlet of the sampling tank 61, the second end of the sampling pipe 621 is communicated with the liquid discharge port through a switching valve, the switching valve is used to control the sampling tank 61 to receive the collected raw milk or to discharge waste liquid, and the tank port is configured to fill the raw milk sample collected by sampling into a sample bottle.

[0072] As​Figure 2 and Figure 3 As shown in the figure, the sampling assembly 62 further comprises a moving base 622 and a telescopic frame 623; the sampling pipe 621 is a sampling hose; the moving base 622 is configured to be arranged on the sampling vehicle 63 and is driven by the sampling vehicle 63 to move the moving base 622; the telescopic frame 623 is arranged on the moving base 622 and can be lifted along the vertical direction; at least part of the sampling hose extends along the extension direction of the telescopic frame 623 and reaches the bottom end of the telescopic frame 623.

[0073] Specifically, the bottom end of the telescopic frame 623 is provided with a fishing net 625, which is used to fish the clumps in raw milk or the foreign matters floating on the surface of raw milk. If the fishing net 625 fishes the clumps or foreign matters, it can be judged that the raw milk is unqualified.

[0074] At the same time, the telescopic frame 623 comprises multiple frame bodies 6231 which are connected in sequence from top to bottom, and adjacent two frame bodies 6231 are slidingly fitted along the vertical direction. One of the multiple frame bodies 6231 at the top end is arranged at a set position on the moving base 622; the sampling assembly 62 further comprises a locking assembly 624 which comprises a locking piece 6241 and a lever mechanism 6242. The locking piece 6241 and the lever mechanism 6242 are arranged on the moving base 622 respectively. The locking piece 6241 is located on one side of the set position. The lever mechanism 6242 is used to move the frame body 6231 below the set position to the set position. The locking piece 6241 is used to lock the frame body 6231 moved by the lever mechanism 6242.

[0075] In actual application, when the lever mechanism 6242 moves one frame body 6231 to the set position, the locking piece 6241 can be used to lock the frame body 6231 moved by the lever mechanism 6242. Thus, through the cooperation of the locking piece 6241 and the lever mechanism 6242 of the locking assembly 624, the cooperation state between different frame bodies 6231 of the telescopic frame 623 can be adjusted, and the length of the telescopic frame 623 can be adjusted. Since at least part of the sampling hose extends along the extension direction of the telescopic frame 623 and reaches the bottom end of the telescopic frame 623, the position of the sampling end of the sampling hose relative to the tank opening of the milk tank vehicle can be adjusted by the telescopic frame 623. The raw milk sampling of different specifications of milk tank vehicles can be conveniently performed. Compared with manual sampling, the efficiency of raw milk sampling is improved.

[0076] Exemplarily, the locking piece 6241 comprises a first telescopic piece and a first fork head. The first telescopic piece is arranged on the moving base 622. The first telescopic piece can be a pneumatic cylinder. The telescopic end of the first telescopic piece is connected with the first fork head. The first fork head is used to be inserted into the frame body 6231 and to be locked with the frame body 6231. The first telescopic piece controls the first fork head to extend or retract, so that the first fork head is locked with or separated from the frame body 6231.

[0077] Exemplarily, the dial lever mechanism 6242 comprises a lifting driving element and a locking element; the lifting driving element is arranged on the moving seat 622 and connected with the locking element, the lifting driving element is used to drive the locking element to lift along the vertical direction, and the locking element is used to be connected with the rack body 6231 to lift the rack body 6231 under the driving of the lifting driving element.

[0078] Exemplarily, the lifting driving element comprises a driving motor, a belt and a plurality of belt pulleys; the driving motor and the plurality of belt pulleys are arranged on the moving seat 622 respectively, the driving motor and the belt are connected, and the belt is arranged between the plurality of belt pulleys; the locking element is slidingly fitted with the moving seat 622 along the vertical direction, and at least part of the belt extends along the vertical direction and is connected with the locking element. The driving motor can drive the belt to move along the arrangement path of the plurality of belt pulleys, and then drive the locking element to lift along the vertical direction by the belt.

[0079] Exemplarily, the locking element comprises a second telescopic element and a second fork head; the lifting driving element is connected with the second telescopic element, and the second telescopic element can be a pneumatic cylinder; the telescopic end of the second telescopic element is connected with the second fork head, the second fork head is used to be inserted into the rack body 6231 and to be locked with the rack body 6231. Wherein, the second telescopic element controls the second fork head to extend or retract, so as to lock or separate the second fork head from the rack body 6231.

[0080] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part 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. An in-line cleaning device, characterized in that The online cleaning device comprises: a water supply unit, a liquid preparation unit, a cleaning pipeline, a first cleaning tank and a second cleaning tank; the water supply unit is in communication with the corresponding spray head of the liquid preparation unit, the cleaning pipeline and the second cleaning tank respectively, and the spray head is used for spraying clean water into the second cleaning tank; the liquid preparation unit is used for preparing cleaning liquid based on the clean water supplied by the water supply unit, and the liquid preparation unit is in communication with the first cleaning tank to supply the prepared cleaning liquid into the first cleaning tank; the first cleaning tank and the second cleaning tank are configured to be in communication with a sampling tank of a sampling device through the cleaning pipeline respectively, and can accommodate a sampling assembly in communication with the sampling tank to clean the sampling assembly.

2. The in-line cleaning device of claim 1, wherein, The liquid preparation unit comprises a stock solution barrel, a peristaltic pump and a dosing box; the stock solution barrel is in communication with the dosing box through the peristaltic pump, the water supply unit is in communication with the dosing box through a flow meter, and the dosing box is in communication with the first cleaning tank.

3. The in-line cleaning device of claim 2, wherein, The stock solution barrel comprises at least one of an acid solution barrel, an alkali solution barrel and a disinfectant solution barrel.

4. The in-line cleaning device of claim 2, wherein, The dosing box is provided with a temperature sensor and a first heater, the temperature sensor is used for collecting temperature information of the cleaning liquid in the dosing box, and the first heater is used for heating the cleaning liquid in the dosing box. And / or, the dosing box is provided with a liquid level sensor, and the liquid level sensor is used for detecting the liquid level information of the cleaning liquid in the dosing box.

5. An in-line cleaning device according to any one of claims 1 to 4, characterised in that, The cleaning pipeline comprises a booster pump, a first control valve, a second control valve and a third control valve; the water supply unit is in communication with the water inlet end of the booster pump through the first control valve, the first cleaning tank is in communication with the water inlet end of the booster pump through the second control valve, the second cleaning tank is in communication with the water inlet end of the booster pump through the third control valve, and the water outlet end of the booster pump is configured to be in communication with the cleaning liquid inlet of the sampling tank.

6. The in-line cleaning device of claim 5, wherein, At least one of the first cleaning tank and the second cleaning tank is configured to receive liquid discharged from the liquid outlet of the sampling tank.

7. The in-line cleaning device of any one of claims 1 to 4, wherein, At least one of the first cleaning tank and the second cleaning tank is provided with a second heater for heating the liquid inside.

8. A dairy product sampling system characterized by, The online cleaning device comprises: a sampling device and the online cleaning device according to any one of claims 1 to 7; the sampling device comprises a sampling tank and a sampling assembly in communication with the sampling tank, the cleaning pipeline is in communication with the sampling tank, and the sampling assembly is configured to be accommodated in the first cleaning tank and the second cleaning tank respectively; wherein the sampling assembly is used for sampling raw milk from a milk tank truck and conveying the raw milk sample obtained by sampling into the sampling tank.

9. The dairy product sampling system of claim 8, wherein, The sampling assembly comprises a sampling pipe, a first end of the sampling pipe is used for sampling from the milk tank truck, a second end of the sampling pipe is in communication with the sampling tank, and the sampling tank is configured to be in communication with a negative pressure device.

10. The dairy product sampling system of claim 9, wherein, The sampling assembly further comprises a moving seat and an extension frame, and the sampling pipe is a sampling hose. The mobile base is arranged on a sampling vehicle, and is driven by the sampling vehicle to move; the telescopic frame is arranged on the mobile base and can be lifted along a vertical direction; at least part of the sampling hose extends along the extension direction of the telescopic frame and reaches the bottom end of the telescopic frame.

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