Fuel sample separating and taking device

Abstract

The utility model relates to the related technical field of fuel samples, in particular to a fuel sample separating and taking device which comprises a device base, a device main support is arranged on the rear side of the middle of the upper surface of the device base, a 85-type stepping motor is arranged on the upper portion of the interior of the device main support, and a coding counter is arranged below the 85-type stepping motor. A fixing frame is arranged in the middle of the upper end of the device main support, and a coupler is arranged in the middle of the inner side of the fixing frame. The improved fuel sample separating and taking device is provided with the lifting motor and the height track, the lifting motor is controlled to be started through the coding counter, the lifting motor rotates to drive the rotating threaded rod to rotate, then the pipette support is driven to slide up and down on the inner wall of the height track through the threaded structure, and then the height of the pipette body is adjusted. And the connecting sliding blocks are arranged on the upper side and the lower side of the left end of the pipette bracket, so that the pipette bracket can be more stable when moving up and down, and the position accuracy of the pipette main body is further ensured.

Description

Technical Field

[0001] The utility model relates to the technical field related to fuel samples, in particular to a fuel sample separation device. Background Art

[0002] The fuel sample extraction device is used to extract and transfer the fuel solution after microwave digestion. Its functional requirements are: it can complete the quantitative absorption of the radioactive mother solution in the microwave digestion tank on the mobile platform of the sample dissolution auxiliary device. The mother solution is a radioactive acid solution, and the absorbed solution is transferred to a weighing bottle;

[0003] The fuel sample collection device is placed in a shielded working box and must be able to work continuously in a strong gamma radiation and acid mist environment. Therefore, the material must be resistant to acid mist corrosion, and must not rust, become brittle, or deform during long-term operation, and must not affect the solution measurement.

[0004] In the process of realizing the present invention, the inventors found that the prior art had the following problems: 1. The traditional fuel sample dispensing device does not have the function of automatically replacing the gun head; 2. The traditional fuel sample dispensing device cannot automatically adjust the height position of the gun head. Utility Model Content

[0005] The purpose of the present invention is to provide a fuel sample dispensing device to solve the problem in the above-mentioned background art that the traditional fuel sample dispensing device does not have the function of automatically replacing the gun head and adjusting the height position of the gun head. To achieve the above-mentioned purpose, the present invention provides the following technical solution: the fuel sample dispensing device includes a device base, a device main bracket is provided on the rear side of the middle part of the upper surface of the device base, and an 85-type stepping motor is provided on the upper part of the device main bracket, an encoding counter is provided below the 85-type stepping motor, and a fixed frame is provided in the middle part of the upper end of the device main bracket, a coupling is provided in the middle part of the inner side of the fixed frame, and a rotating support arm is provided on the upper end of the fixed frame;

[0006] A rotating fixed plate is fixed to the right end surface of the rotating support arm, and a lifting motor is installed in the middle above the right side surface of the rotating fixed plate, a height track is provided below the lifting motor, and a pipette gun holder is provided on the right side of the height track, a pipette gun body is provided in the middle of the pipette gun holder, and an electric liquid-taking pipetting push rod is installed at a position of the pipette gun holder above the pipette gun body, an electric gun tip removal push rod is provided on the left side of the electric liquid-taking pipetting push rod, and a gun tip body is provided at the bottom end of the pipette gun body;

[0007] An analysis bottle is provided on the rear side of the left end of the upper surface of the device base, and a gun tip rack is provided on the front side of the analysis bottle, a group of gun tip bodies are provided at equal intervals in the middle of the gun tip rack, and a digestion tank is provided on the rear side of the right end of the upper surface of the device base, a waste gun tip storage bucket is provided on the front side of the digestion tank, and a rotating threaded rod is provided inside the height track, and connecting sliders are fixed on the upper and lower sides of the left end of the pipette gun bracket.

[0008] Further preferably, the bottom end of the device main bracket is fixed to the rear side of the middle part of the upper surface of the device base by screws, and the left and right ends of the 85-type stepper motor are fixed to the left and right sides of the inner surface of the device main bracket, and the upper end of the encoder counter is fixed to the middle part of the bottom end of the 85-type stepper motor, the middle part of the upper end of the 85-type stepper motor is fixed to the bottom end of the coupling, and the middle part of the bottom end of the coupling passes through the bearing and is connected to the middle part of the upper end of the device main bracket, and the middle part of the upper end of the coupling passes through the bearing and is connected to the middle part of the upper end of the fixed frame, and the upper end of the coupling passes through and is fixed to the middle part of the left end of the rotating arm.

[0009] Further preferably, the bearing in the middle of the left bottom end of the rotating arm is connected to the middle of the upper end of the fixed frame, and the right side surface of the rotating arm is fixed to the bottom end of the left surface of the rotating fixed plate by a screw, and the right end of the lifting motor is fixed above the right side surface of the rotating fixed plate by a screw, the bottom end of the lifting motor is fixed to the upper end of the rotating threaded rod, and the upper end of the rotating threaded rod passes through the bearing and is connected to the middle of the bottom end of the lifting motor, and the upper end of the height track is fixed to the bottom end surface of the lifting motor.

[0010] Further preferably, the bottom end bearing of the rotating threaded rod is connected to the middle part of the bottom end of the inner wall of the height track, and the upper and lower ends of the middle part of the rotating threaded rod are both slidably connected to the middle part of the connecting slider, and the right end of the connecting slider is fixed to the upper and lower ends of the left side surface of the pipette gun holder, the middle part of the left end of the pipette gun holder is grooved and threadedly connected to the middle part of the rotating threaded rod, and the front and rear side surfaces of the connecting slider are both slidably connected to the inner wall of the groove of the height track, and a connecting plate is fixed to the inner middle part of the pipette gun holder.

[0011] Further preferably, the middle of the upper end of the pipette body is fixed to the middle of the middle connecting plate on the inner side of the pipette holder, and the middle of the bottom end of the pipette body is fixed to the middle of the bottom end of the pipette holder, and the upper end of the electric liquid-taking pipetting push rod is fixed to the right side of the upper end inside the pipette holder, the upper end of the electric gun tip removal push rod is fixed to the left side of the upper end inside the pipette holder, and the bottom end of the electric gun tip removal push rod is slidably connected to the inner wall of the left groove of the pipette body, and the bottom end of the electric liquid-taking pipetting push rod is fixed to the middle of the upper end of the pipette body.

[0012] Further preferably, the bottom end of the 85-type stepper motor is connected to the interior of the encoder counter through a data line, and the interior of the electric liquid-taking pipette push rod, the electric gun tip removal push rod and the lifting motor are all connected to the interior of the encoder counter through data lines, and the encoder counter is an Omron E6D-CWZ2C photoelectric encoder with a resolution accuracy of 6000P / R, the pipette gun body is a BRAND manual single-channel adjustable pipette, and the model of the pipette gun body is a Transferpetts type 705885 pipette.

[0013] Further preferably, the digestion tank is located directly below the bottom end of the pipette body, and the waste tip storage bucket, tip rack and analysis bottle are all located on the bottom rotation track of the pipette body, and the material of all components of the device is acid mist corrosion-resistant stainless steel 316L, and the material standard is implemented in accordance with ASTMA240M.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] In the utility model, an 85-type stepper motor and an encoding counter are provided, and the 85-type stepper motor is started by the data analysis and processing function of the encoding counter, so that the 85-type stepper motor can drive the rotating arm to rotate around the upper middle part of the fixed frame through the coupling, and drive the rotation angle of the pipette gun body through the rotating fixing plate fixed on the right side of the rotating arm. The gun head push rod can be electrically removed to push the gun head body down and drop it into the interior of the discarded gun head temporary storage bucket, and it can be rotated to the top of the gun head rack, so that the bottom end of the pipette gun body can be replaced with a new gun head body. The function of automatically replacing the gun head provides greater convenience for the user and also expands the environmental applicability of the device.

[0016] In the utility model, a lifting motor and a height track are provided. The lifting motor is started by controlling the coding counter, and the rotation of the lifting motor drives the rotating threaded rod to rotate, and then the threaded structure drives the pipette gun bracket to slide up and down on the inner wall of the height track, thereby adjusting the height of the pipette gun body, and connecting sliders are provided on the upper and lower sides of the left end of the pipette gun bracket, so that the pipette gun bracket can be more stable when moving up and down, thereby ensuring the position accuracy of the pipette gun body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is an enlarged structural diagram of the main bracket of the device of the utility model;

[0019] Figure 3This is a schematic diagram of the enlarged structure of the main body of the pipette gun of the utility model;

[0020] Figure 4 This is a schematic diagram of the side sectional structure of the rotating threaded rod of the utility model.

[0021] In the figure: 1. Device base; 2. Device main bracket; 3. Rotating support arm; 4. Rotating fixed plate; 5. Digestion tank; 6. Discarded tip storage bucket; 7. Tip rack; 8. Analysis bottle; 9. Pipette body; 10. Tip body; 11. 85-type stepper motor; 12. Encoder counter; 13. Coupling; 14. Fixed frame; 15. Lifting motor; 16. Height rail; 17. Pipette bracket; 18. Electric liquid extraction pipetting push rod; 19. Electric tip removal push rod; 20. Rotating threaded rod; 21. Connecting slider. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0023] See also Figures 1 to 4 The utility model provides a technical solution: a fuel sample separation device, comprising a device base 1, a device main bracket 2 is provided on the rear side of the middle portion of the upper surface of the device base 1, and an 85-type stepping motor 11 is provided above the inner portion of the device main bracket 2, an encoder counter 12 is provided below the 85-type stepping motor 11, a fixing frame 14 is provided in the middle portion of the upper end of the device main bracket 2, a coupling 13 is provided in the middle portion of the inner side of the fixing frame 14, and a rotating arm 3 is provided at the upper end of the fixing frame 14;

[0024] A rotating fixed plate 4 is fixed to the right end surface of the rotating support arm 3, and a lifting motor 15 is installed in the middle above the right side surface of the rotating fixed plate 4, a height track 16 is provided below the lifting motor 15, and a pipette gun holder 17 is provided on the right side of the height track 16, a pipette gun body 9 is provided in the middle of the pipette gun holder 17, and an electric liquid collection pipetting push rod 18 is installed at the position of the pipette gun holder 17 above the pipette gun body 9, an electric liquid collection pipetting push rod 18 is provided on the left side of the electric liquid collection pipetting push rod 18, and a gun tip removal push rod 19 is provided at the bottom end of the pipette gun body 9;

[0025] An analysis bottle 8 is provided on the rear side of the left end of the upper surface of the device base 1, and a gun tip rack 7 is provided on the front side of the analysis bottle 8. A group of gun tip bodies 10 are provided at equal intervals in the middle of the gun tip rack 7, and a digestion tank 5 is provided on the rear side of the right end of the upper surface of the device base 1, and a discarded gun tip temporary storage bucket 6 is provided on the front side of the digestion tank 5. A rotating threaded rod 20 is provided inside the height track 16, and connecting sliders 21 are fixed on the upper and lower sides of the left end of the pipette gun bracket 17.

[0026] In this embodiment, Figure 1 and Figure 2 As shown, the bottom end of the device main bracket 2 is fixed to the rear side of the middle part of the upper surface of the device base 1 by screws, and the left and right ends of the 85-type stepping motor 11 are fixed to the left and right sides of the inner surface of the device main bracket 2, and the upper end of the encoder counter 12 is fixed to the middle part of the bottom end of the 85-type stepping motor 11, the middle part of the upper end of the 85-type stepping motor 11 is fixed to the bottom end of the coupling 13, and the middle part of the bottom end of the coupling 13 passes through the bearing to be connected to the middle part of the upper end of the device main bracket 2, and the middle part of the upper end of the coupling 13 passes through the bearing to be connected to the middle part of the upper end of the fixed frame 14, and the upper end of the coupling 13 passes through and is fixed to the middle part of the left end of the rotating arm 3; the 85-type stepping motor 11 is driven by the control of the encoder counter 12 to drive the rotating arm 3 at the upper end of the fixed frame 14 to rotate and change the angle through the coupling 13.

[0027] In this embodiment, Figure 4 As shown, the middle bearing of the left bottom end of the rotating arm 3 is connected to the middle part of the upper end of the fixed frame 14, and the right side surface of the rotating arm 3 is fixed to the bottom end of the left surface of the rotating fixed plate 4 by screws, and the right end of the lifting motor 15 is fixed to the upper right surface of the rotating fixed plate 4 by screws, the bottom end of the lifting motor 15 is fixed to the upper end of the rotating threaded rod 20, and the upper end of the rotating threaded rod 20 passes through the bearing and is connected to the middle part of the bottom end of the lifting motor 15, and the upper end of the height track 16 is fixed to the bottom end surface of the lifting motor 15; by arranging the lifting motor 15 on the right side of the rotating fixed plate 4, and driving the rotating threaded rod 20 at the bottom end of the lifting motor 15 to rotate by the lifting motor 15, and the rotating threaded rod 20 is connected to the inner wall of the height track 16 by a bearing, a height adjustment structure is formed.

[0028] In this embodiment, Figure 4As shown, the bottom end bearing of the rotating threaded rod 20 is connected to the middle part of the bottom end of the inner wall of the height track 16, and the upper and lower ends of the middle part of the rotating threaded rod 20 are both slidably connected to the middle part of the connecting slider 21, and the right end of the connecting slider 21 is fixed to the upper and lower ends of the left side surface of the pipette gun bracket 17, the middle part of the left end of the pipette gun bracket 17 is slotted and threadedly connected to the middle part of the rotating threaded rod 20, and the front and rear side surfaces of the connecting slider 21 are both slidably connected to the inner wall of the groove of the height track 16, and a connecting plate is fixed to the inner middle part of the pipette gun bracket 17; the rotation of the rotating threaded rod 20 drives the threadedly connected pipette gun bracket 17 to move up and down, and the connecting slider 21 on the left side of the pipette gun bracket 17 slides up and down along the inner wall of the height track 16 to ensure the stability of the pipette gun bracket 17 when moving.

[0029] In this embodiment, Figure 3 As shown, the middle of the upper end of the pipette body 9 is fixed to the middle of the middle connecting plate inside the pipette bracket 17, and the middle of the bottom end of the pipette body 9 is fixed to the middle of the bottom end of the pipette bracket 17, and the upper end of the electric liquid taking pipette push rod 18 is fixed to the right side of the upper end inside the pipette bracket 17, the upper end of the electric removal gun tip push rod 19 is fixed to the left side of the upper end inside the pipette bracket 17, and the bottom end of the electric removal gun tip push rod 19 is slidably connected to the pipette The left groove inner wall of the gun body 9, and the bottom end of the electric liquid-taking pipetting push rod 18 is fixed to the middle of the upper end of the pipette gun body 9; by arranging the electric liquid-taking pipetting push rod 18 and the electric gun head removal push rod 19 at the upper end of the pipette gun body 9 fixed in the middle of the pipette gun bracket 17, the electric liquid-taking pipetting push rod 18 is used to control the pipetting and liquid collection of the pipette gun body 9, and the electric gun head removal push rod 19 is used to control the engagement of the gun head body 10 at the bottom end of the pipette gun body 9.

[0030] In this embodiment, Figure 1 As shown, the bottom end of the 85-type stepper motor 11 is connected to the inside of the encoder counter 12 through a data line, and the insides of the electric liquid collection pipette push rod 18, the electric gun tip removal push rod 19 and the lifting motor 15 are all connected to the inside of the encoder counter 12 through data lines, and the encoder counter 12 is an Omron E6D-CWZ2C photoelectric encoder with a resolution accuracy of 6000P / R, the pipette main body 9 is a BRAND manual single-channel adjustable pipette, and the model of the pipette main body 9 is a Transferpetts type 705885 pipette; the control of the encoder counter 12 can realize the operation automation function of the 85-type stepper motor 11, the electric liquid collection pipette push rod 18 and the electric gun tip removal push rod 19.

[0031] In this embodiment, Figure 1As shown, the digestion tank 5 is located directly below the bottom end of the pipette main body 9, and the waste gun tip temporary storage bucket 6, the gun tip rack 7 and the analysis bottle 8 are all located on the bottom rotation track of the pipette main body 9, and the material of all components of the device is 316L stainless steel that is resistant to acid mist corrosion, and the material standard is implemented in accordance with ASTMA240M; by arranging the digestion tank 5, the waste gun tip temporary storage bucket 6, the gun tip rack 7 and the analysis bottle 8 on the upper surface of the device base 1, the purpose of liquid extraction and pipetting and replacement of the gun tip main body 10 can be achieved.

[0032] The use method and advantages of the utility model: When the fuel sample separation device is used, the working process is as follows:

[0033] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, first, the user can control the realization of the automation function of the device through the encoder counter 12 fixed in the middle of the main bracket 2 of the device. When liquid needs to be taken, the encoder counter 12 transmits the instruction to the inside of the 85-type stepper motor 11 through the data line. The 85-type stepper motor 11 starts and drives the rotating arm 3 and the rotating fixed plate 4 to rotate around the upper middle part of the fixed frame 14 through the coupling 13 to change the angle. When the preset angle is reached, the 85-type stepper motor 11 will stop running. At this time, the lifting motor 15 starts, driving the rotating threaded rod 20 at the bottom of the lifting motor 15 to rotate, thereby causing the threaded pipette gun bracket 17 to move up and down, and the connecting slider 21 on the left side of the pipette gun bracket 17 also slides up and down along the inner wall of the height track 16, thereby driving the pipette gun body 9 fixed in the middle of the pipette gun bracket 17 to move downward and absorb the sample solution through the control of the electric liquid extraction pipette push rod 18. Then the lifting motor 15 rotates in the opposite direction, causing the pipette gun bracket 17 to move up and down. The liquid gun body 9 moves up, and then the 85-type stepping motor 11 is started again to make the rotating support arm 3 rotate the angle again until the pipette gun body 9 is located just above the analysis bottle 8, and then the electric liquid taking pipette push rod 18 pushes the interior of the pipette gun body 9 downward by electric force so that the sample solution drips into the interior of the analysis bottle 8, and then the 85-type stepping motor 11 controls the pipette gun body 9 to rotate above the discarded gun tip temporary storage bucket 6, and removes the gun tip push rod 19 by electric force to push the gun tip body 10 at the bottom end of the pipette gun body 9 out and drop it into the inside of the discarded gun tip temporary storage bucket 6, and then rotates to the top of the gun tip rack 7 on the left front of the upper surface of the device base 1, and the rotation of the lifting motor 15 makes the pipette gun body 9 move down and the gun tip body 10 in the middle of the gun tip rack 7 is engaged with the bottom end of the pipette gun body 9 for the next use, and a digestion tank 5 is provided below the original position of the pipette gun body 9 to prevent the sample solution inside the pipette gun body 9 from dripping.

[0034] The above shows and describes the basic principles, main features, and advantages of the present invention. Persons skilled in the art should understand that the present invention is not limited to the above-described embodiments. The above-described embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A fuel sample collection device, comprising a device base (1), characterized in that: A main support (2) is provided at the rear middle of the upper surface of the device base (1), and an 85-type stepping motor (11) is provided above the inside of the main support (2), an encoding counter (12) is provided below the 85-type stepping motor (11), and a fixing frame (14) is provided at the middle of the upper end of the main support (2), a coupling (13) is provided at the middle of the inner side of the fixing frame (14), and a rotating arm (3) is provided at the upper end of the fixing frame (14); A rotating fixed plate (4) is fixed to the right end surface of the rotating support arm (3), and a lifting motor (15) is installed in the middle of the upper right side surface of the rotating fixed plate (4), a height track (16) is provided below the lifting motor (15), and a pipette gun holder (17) is provided on the right side of the height track (16), a pipette gun body (9) is provided in the middle of the pipette gun holder (17), and an electric liquid taking pipette push rod (18) is installed at the position of the pipette gun holder (17) above the pipette gun body (9), an electric gun head removal push rod (19) is provided on the left side of the electric liquid taking pipette push rod (18), and a gun head body (10) is provided at the bottom end of the pipette gun body (9); An analysis bottle (8) is provided at the rear left end of the upper surface of the device base (1), and a gun tip rack (7) is provided at the front side of the analysis bottle (8), a group of gun tip bodies (10) are provided at equal intervals in the middle of the gun tip rack (7), and a digestion tank (5) is provided at the rear right end of the upper surface of the device base (1), a discarded gun tip temporary storage bucket (6) is provided at the front side of the digestion tank (5), and a rotating threaded rod (20) is provided inside the height track (16), and connecting sliders (21) are fixed on both the upper and lower sides of the left end of the pipette gun bracket (17).

2. The fuel sample collection device according to claim 1, characterized in that: The bottom end of the main support (2) of the device is fixed to the rear side of the middle of the upper surface of the device base (1) by screws, and the left and right ends of the 85-type stepping motor (11) are fixed to the left and right sides of the inner surface of the main support (2) of the device, and the upper end of the encoder counter (12) is fixed to the middle of the bottom end of the 85-type stepping motor (11), the middle of the upper end of the 85-type stepping motor (11) is fixed to the bottom end of the coupling (13), and the middle of the bottom end of the coupling (13) passes through the bearing to be connected to the middle of the upper end of the main support (2), and the middle of the upper end of the coupling (13) passes through the bearing to be connected to the middle of the upper end of the fixed frame (14), and the upper end of the coupling (13) passes through and is fixed to the middle of the left end of the rotating arm (3).

3. The fuel sample collection device according to claim 1, characterized in that: The middle part of the left bottom end of the rotating arm (3) is connected to the middle part of the upper end of the fixed frame (14) by a bearing, and the right side surface of the rotating arm (3) is fixed to the bottom end of the left side surface of the rotating fixed plate (4) by a screw, and the right end of the lifting motor (15) is fixed above the right side surface of the rotating fixed plate (4) by a screw, the bottom end of the lifting motor (15) is fixed to the upper end of the rotating threaded rod (20), and the upper end of the rotating threaded rod (20) passes through the bearing and is connected to the middle part of the bottom end of the lifting motor (15), and the upper end of the height track (16) is fixed to the bottom end surface of the lifting motor (15).

4. The fuel sample collection device according to claim 1, characterized in that: The bottom end bearing of the rotating threaded rod (20) is connected to the middle part of the bottom end of the inner wall of the height track (16), and the upper and lower ends of the middle part of the rotating threaded rod (20) are both slidably connected to the middle part of the connecting slider (21), and the right end of the connecting slider (21) is fixed to the upper and lower ends of the left side surface of the pipette holder (17), the middle part of the left end of the pipette holder (17) is grooved and threadedly connected to the middle part of the rotating threaded rod (20), and the front and rear side surfaces of the connecting slider (21) are both slidably connected to the inner wall of the groove of the height track (16), and a connecting plate is fixed to the inner middle part of the pipette holder (17).

5. The fuel sample collection device according to claim 1, characterized in that: The middle of the upper end of the pipette gun body (9) is fixed to the middle of the middle connecting plate on the inner side of the pipette gun bracket (17), and the middle of the bottom end of the pipette gun body (9) is fixed to the middle of the bottom end of the pipette gun bracket (17), and the upper end of the electric liquid-taking pipetting push rod (18) is fixed to the right side of the inner upper end of the pipette gun bracket (17), the upper end of the electric gun head removal push rod (19) is fixed to the left side of the inner upper end of the pipette gun bracket (17), and the bottom end of the electric gun head removal push rod (19) is slidably connected to the inner wall of the left groove of the pipette gun body (9), and the bottom end of the electric liquid-taking pipetting push rod (18) is fixed to the middle of the upper end of the pipette gun body (9).

6. The fuel sample collection device according to claim 1, characterized in that: The bottom end of the 85-type stepping motor (11) is connected to the inside of the encoding counter (12) through a data line, and the insides of the electric liquid-taking pipetting push rod (18), the electric gun tip removal push rod (19) and the lifting motor (15) are all connected to the inside of the encoding counter (12) through data lines, and the encoding counter (12) is an Omron E6D-CWZ2C photoelectric encoder with a resolution accuracy of 6000P / R, and the pipette gun body (9) is a BRAND manual single-channel adjustable pipette, and the model of the pipette gun body (9) is a Transferpetts type 705885 pipette.

7. The fuel sample collection device according to claim 1, characterized in that: The digestion tank (5) is located directly below the bottom end of the pipette main body (9), and the discarded tip temporary storage bucket (6), the tip rack (7) and the analysis bottle (8) are all located on the bottom end rotation track of the pipette main body (9), and the material of all components of the device is 316L stainless steel that is resistant to acid mist corrosion, and the material standard is implemented in accordance with ASTMA240M.

Images