A tank car in-tank sampling device

Abstract

This invention discloses a tank truck in-tank sampling device, belonging to the technical field of chemical sampling equipment. This device primarily achieves automatic sampling. The sampling process is fully automated. The liquid receiving hopper assembly is designed for easy placement and retrieval of the sampling container, while ensuring the container does not detach from the sampling liquid. An anti-collision shield protects the liquid receiving hopper assembly and the sampling container from impacts, ensuring the device's service life. The positioning cover mechanism can identify vehicles with different tank opening heights to ensure consistent sampling depth and sampling status. A rotating liquid collection hood mechanism ensures reliable collection of residual liquid during sampling. This device boasts a high degree of automation, improving sampling efficiency and reducing labor intensity, and is primarily used for in-tank sampling.

Description

Technical Field

[0001] This invention relates to the field of chemical sampling equipment technology, specifically a sampling device for inside a tank truck. Background Technology

[0002] Currently, tank truck sampling in China is mostly done manually, posing significant safety and environmental hazards. Sampling personnel are in close contact with hazardous liquids, increasing the risk of suffocation, poisoning, falls, and other accidents, resulting in extremely high safety risks. Due to space limitations within the tank, manual operation makes it difficult to precisely control the sampling location and depth, leading to insufficient sample representativeness and failing to meet sampling requirements at specific depths. Furthermore, the sampling process requires repeated climbing and frequent operations, resulting in high labor intensity and making it unsuitable for large-scale, high-frequency operations. In addition, leakage, evaporation, and residual liquid discharge frequently occur during operation, causing environmental pollution and failing to meet the safety and environmental protection standards of modern chemical industries. Therefore, there is an urgent need to introduce automated and closed-loop sampling technologies to reduce personnel risks, improve sampling accuracy and efficiency, reduce environmental impact, and promote the industry's safe and green transformation. Summary of the Invention

[0003] To address the technical problems mentioned in the background section, the present invention provides a tank truck in-tank sampling device, employing the following technical solution:

[0004] An automated tanker sampling device includes a column assembly with a rotary deceleration device mounted on it. The device is characterized in that a transverse motion beam and a transverse motion component are mounted on the rotary deceleration device, a vertical motion beam assembly is mounted on the transverse motion beam, and a liquid receiving hopper assembly is provided at the lower part of the vertical motion beam assembly.

[0005] The column assembly includes a column base plate and a fixed column. The fixed column is fixedly installed on the upper part of the column base plate, and a rotation speed reduction device is installed on the upper part of the fixed column.

[0006] The rotary reduction device includes a motor a, a reducer a, and a slewing reducer a. The motor a is connected to the reducer a, the reducer a is connected to the slewing reducer a, and the slewing reducer a is installed between the column flange and the transverse moving beam flange.

[0007] Mounting base a is installed on a fixed column. A proximity switch a is installed on mounting base a. A sensing plate a is installed on the flange of the transverse moving beam. A sensing rod a is installed on the sensing plate a.

[0008] The lateral motion assembly includes a sensing element b and a proximity switch b. The sensing element b cooperates with the proximity switch b, and a stop block is installed on the right end of the lateral motion beam near the rack.

[0009] A transverse motion beam is installed on the flange of the transverse motion beam. A slide rail is provided on the transverse motion beam. The slide rail cooperates with the slider. The slider is connected to the slide plate. A reducer mounting seat is installed on the slide plate. A reducer and motor a are installed on the reducer mounting seat. A gear is installed on the output shaft of motor a. A rack is installed on the transverse motion beam. The gear and rack cooperate.

[0010] A proximity switch b is installed on the transverse motion beam, a sensor b is installed on the slide plate, a cable chain mounting plate is installed on the slide plate, and a cable chain is fixed on the cable chain mounting plate. The cable chain matches the cable chain track.

[0011] The vertical motion beam assembly includes a main connecting plate, a sliding plate connected to the main connecting plate, the main connecting plate connected to the vertical motion beam connecting plate, a connecting plate b installed on the vertical motion beam connecting plate, a reducer b and a motor b installed on the connecting plate b; a rack b is installed on the vertical motion beam, and a gear b is connected to the output shaft of the motor b, with the gear b engaging with the rack b.

[0012] A vertical motion beam is mounted on the vertical motion beam connecting plate, and an upper cylinder mounting seat and a lower cylinder mounting seat are mounted on the vertical motion beam. The cylinder is installed between the upper cylinder mounting seat and the lower cylinder mounting seat.

[0013] The vertical moving beam is equipped with mounting base c and mounting base d. A proximity switch c is mounted on mounting base c, and a proximity switch d is mounted on mounting base d.

[0014] A support rod is installed at the lower part of the cylinder via a connecting flange. The lower part of the support rod is connected to the upper and lower positioning sleeves. A rotating positioning seat is provided at the lower part of the support rod. A manual lever is provided on the rotating positioning seat. A liquid receiving hopper assembly is provided at the lower part of the rotating positioning seat. A groove is provided on the support rod. The manual lever is used to insert into the groove for fixation.

[0015] The liquid receiving hopper assembly includes a sampling bucket, a top cover, and a bottom plate, with a sampling container placed inside the sampling bucket.

[0016] The liquid receiving hopper assembly cooperates with the rotating liquid collecting mechanism. The rotating liquid collecting hood mechanism includes a rotating cylinder, a flange, a rotating cylinder mounting base, a connecting base, a standard flat key, a set screw, and a connecting shaft. The rotating cylinder mounting base is provided on the vertical motion beam, and the rotating cylinder is installed on the rotating cylinder mounting base. The rotating cylinder mounting base is connected to the connecting base. The standard flat key and set screw are connected to the connecting shaft. The connecting flange is connected to the support shaft. The liquid collecting hopper is welded to the base. The stiffening plate is connected to the support shaft. The valve is connected to the base.

[0017] Preferably, the liquid receiving hopper assembly is further provided with a positioning cover mechanism, which includes a positioning cover sleeve, a positioning baffle welded on the positioning cover sleeve, and the upper part of the positioning cover sleeve is connected to the positioning baffle.

[0018] A set of symmetrical sensing rods a are installed on the positioning cover sleeve. The lower part of the sensing rods a is fixedly installed on the positioning cover sleeve and a spring a is sleeved on the lower part of the sensing rods a. The upper part of the sensing rods a is a stud structure a. After the upper part of the sensing rods a passes through a set of positioning blocks a, the stud structure a is fixed by a nut a.

[0019] An anti-collision cover sleeve is installed inside the positioning cover sleeve. A positioning plate is provided inside the anti-collision cover sleeve. A sensing rod b is installed on the positioning plate. A spring b is fitted on the lower part of the sensing rod b. The upper part of the sensing rod b is a stud structure b. After the upper part of the sensing rod b passes through a set of positioning blocks b, the stud structure b is fixed by a nut b.

[0020] The present invention has the following advantages:

[0021] The designed liquid receiving hopper assembly structure securely holds the sampling container during operation. The manual lever is inserted downwards at an angle into the rotating positioning seat. This design ensures that even when the mechanism is submerged in liquid and subjected to buoyancy, the manual lever can still be held in place by gravity against the groove of the support rod, preventing it from moving freely and becoming loose. This, in turn, secures the rotating seat and prevents the sampling container from floating out, ensuring reliability during sampling. Furthermore, all parts can be manufactured using PP material, making it suitable for corrosive liquids and increasing its versatility.

[0022] The designed liquid receiving hopper assembly is easy to operate. The rotating positioning seat and the manual lever can rotate on the support rod. When placing the sampling container, simply rotate the manual lever to rotate the rotating positioning seat to a certain angle and push it to the sampling port. Then push the manual lever inward to push it into the groove of the support rod to securely fix the sampling container. When removing the sampling container, simply pull the manual lever outward and rotate the rotating positioning seat to a certain angle to smoothly remove the sampling container.

[0023] The designed anti-collision shield assembly can protect the liquid receiving hopper assembly and sampling container from collisions. The anti-collision shield is equipped with a proximity switch sensing signal mechanism, which can detect the collision with the tank opening due to alignment deviation in time and stop the descent process, thus ensuring the safety of the system.

[0024] The rotating liquid collection hood mechanism ensures reliable collection of residual liquid during sampling. A gear-driven rotary cylinder rotates the liquid collection hood assembly to the outside, after which a vertical motion beam descends. This design ensures that the rotational movement of the liquid collection hood does not affect the downward extension and retraction of the receiving hopper, while effectively collecting residual liquid and preventing environmental pollution.

[0025] The positioning cover mechanism is equipped with a proximity switch sensing signal mechanism. When the vertical beam descends to the position of the tank opening, the positioning cover mechanism will contact the tank opening in time to sense and stop the descent of the vertical beam. The operating cylinder drives the liquid receiving hopper assembly to descend to the specified stroke of the cylinder. This structural design can realize the positioning and identification of vehicles with different tank opening heights to ensure that the sampling depth at the tank opening is consistent and the sampling state is consistent.

[0026] This device primarily enables automatic sampling. The sampling process in this automated tanker truck sampling device is fully automated. After the positioning system identifies the tank opening position, the control system controls a servo motor to drive the rotating support assembly, causing the horizontal moving beam to rotate around the column to a specific angle. Simultaneously, the vertical moving beam assembly, controlled by a servo motor, can move horizontally to the tank opening position. Then, a gear-driven rotary cylinder rotates the liquid collection hood assembly to the outside, and the servo motor drives the vertical moving beam to descend. During descent, the positioning hood assembly touches the tank opening, triggering a proximity switch signal. This signals the cylinder to drive the liquid receiving hopper assembly to a certain depth inside the tank opening, where the liquid sample is placed into the sampling container fixed in the liquid receiving hopper. After sampling for a specified time, the control cylinder automatically raises the liquid receiving hopper assembly to its position. Then, the gear-driven rotary cylinder rotates the liquid collection hood assembly to the bottom of the receiving hopper to collect residual liquid. Finally, the horizontal and vertical moving beam assemblies return to their original positions. This automated tanker truck sampling device features a fully automated sampling process. The liquid receiving hopper assembly is designed for ease of operation, offering a high degree of automation, improving sampling efficiency, and reducing labor intensity. Attached Figure Description

[0027] Figure 1 The repositioning state structure of the present invention Figure 1 ;

[0028] Figure 2 The repositioning state structure of the present invention Figure 2 ;

[0029] Figure 3 This is a structural diagram of the working state of the present invention;

[0030] Figure 4 This is a structural diagram of the rotating liquid collection hood of the present invention;

[0031] Figure 5 This is a structural diagram of the vertical motion beam of the present invention;

[0032] Figure 6 This is a structural diagram of the liquid receiving hopper assembly of the present invention;

[0033] Figure 7 This is a cross-sectional view of the liquid receiving hopper assembly of the present invention;

[0034] Figure 8 This is a structural diagram of the anti-collision shield assembly of the present invention; Detailed Implementation

[0035] 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, and not all embodiments. 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.

[0036] Example 1

[0037] like Figures 1-8 As shown:

[0038] An automated tanker sampling device includes a column assembly with a rotary deceleration device mounted on it. The device is characterized in that a transverse motion beam and a transverse motion component are mounted on the rotary deceleration device, a vertical motion beam assembly is mounted on the transverse motion beam, and a liquid receiving hopper assembly is provided at the lower part of the vertical motion beam assembly.

[0039] The column assembly includes a column base plate 1 and a fixed column 2. The fixed column 2 is fixedly installed on the upper part of the column base plate 1, and a rotation speed reduction device is installed on the upper part of the fixed column 2.

[0040] The rotary reduction device includes a motor a82, a reducer a83 and a rotary reducer a88. The motor a82 is connected to the reducer a83, the reducer a83 is connected to the rotary reducer a88, and the rotary reducer a88 is installed between the column flange 3 and the transverse moving beam flange 5.

[0041] Mounting base a16 is installed on fixed column 2. Proximity switch a15 is installed on mounting base a16. Sensing plate a13 is installed on transverse moving beam flange 5. Sensing rod a14 is installed on sensing plate a13.

[0042] The lateral motion assembly includes a sensing plate b27 and a proximity switch b28. The sensing plate b27 cooperates with the proximity switch b28. The stop block 12 is installed on the right end of the lateral motion beam 4 near the rack 11.

[0043] A transverse motion beam 4 is installed on the transverse motion beam flange 5. A slide rail 10 is provided on the transverse motion beam 4. The slide rail 10 cooperates with the slider 19. The slider 19 is connected to the slide plate 7. A reducer mounting seat 18 is installed on the slide plate 7. A reducer 25 and a motor a24 are installed on the reducer mounting seat 18. A gear 17 is installed on the output shaft of the motor a24. A rack is installed on the transverse motion beam 4. The gear 17 cooperates with the rack 11.

[0044] A proximity switch b28 is installed on the transverse motion beam 4, a sensor b27 is installed on the slide plate 7, a cable chain mounting plate 8 is installed on the slide plate 7, and a cable chain 9 is fixed on the cable chain mounting plate 8. The cable chain 9 is matched with the cable chain track 9-1.

[0045] 5. An automated tank truck in-tank sampling device as described in claim 1, characterized in that the vertical motion beam assembly includes a main connecting plate 26, a sliding plate 7 connected to the main connecting plate 26, the main connecting plate 26 connected to a vertical motion beam connecting plate 23, a connecting plate b22 installed on the vertical motion beam connecting plate 23, a reducer b21 and a motor b20 installed on the connecting plate b22, a rack b11-1 installed on the vertical motion beam 42, a gear b connected to the output shaft of the motor b20, and the gear b cooperating with the rack b11-1;

[0046] A vertical motion beam 42 is mounted on the vertical motion beam connecting plate 23. A cylinder upper mounting seat 41 and a cylinder lower mounting seat 45 are mounted on the vertical motion beam 42. A cylinder 43 is mounted between the cylinder upper mounting seat 41 and the cylinder lower mounting seat 45.

[0047] The vertical moving beam 42 is equipped with mounting bases c29 and d49. A proximity switch c30 is mounted on mounting base c29, and a proximity switch d50 is mounted on mounting base d49.

[0048] A support rod 59 is installed on the lower part of the cylinder 43 via a connecting flange 48. The lower part of the support rod 59 is connected to the upper positioning sleeve 63 and the lower positioning sleeve 65. A rotating positioning seat 62 is provided on the lower part of the support rod 59. A manual lever 64 is provided on the rotating positioning seat 62. A liquid receiving hopper assembly is provided on the lower part of the rotating positioning seat 62. A groove 59-1 is provided on the support rod 59. The manual lever 64 is used to insert into the groove 59-1 for fixing.

[0049] The liquid receiving hopper assembly includes a sampling bucket 61, a top cover 67, and a bottom plate 66. A sampling container 60 is placed inside the sampling bucket 61.

[0050] The liquid receiving hopper assembly cooperates with the rotating liquid collecting mechanism. The rotating liquid collecting hood mechanism includes a rotating cylinder 34, a flange 32, a rotating cylinder mounting seat 35, a connecting seat 36, a common flat key 37, a set screw 39, and a connecting shaft 38. The rotating cylinder mounting seat 35 is provided on the vertical motion beam 42, and the rotating cylinder 34 is installed on the rotating cylinder mounting seat 35. The rotating cylinder mounting seat 35 is connected to the connecting seat 36. The common flat key 37 and the set screw 39 are connected to the connecting shaft 38. The connecting flange 40 is connected to the support shaft 72. The liquid collecting tank 68 is welded to the base 71. The stiffener 69 is connected to the support shaft 72. The valve 70 is connected to the base 71.

[0051] The liquid receiving hopper assembly is also equipped with a positioning cover mechanism, which includes a positioning cover sleeve 56, a positioning baffle 57 welded onto the positioning cover sleeve 56, and the upper part of the positioning cover sleeve 56 connected to the positioning plate 78.

[0052] A set of symmetrical sensing rods a73 are installed on the positioning cover sleeve 56. The lower part of the sensing rods a73 is fixedly installed on the positioning cover sleeve 56 and a spring a74 is sleeved on the lower part of the sensing rods a73. The upper part of the sensing rods a73 is a stud structure a77. After the upper part of the sensing rods a73 passes through a set of positioning blocks a31, the stud structure a77 is fixed by a nut a76.

[0053] An anti-collision cover sleeve 79 is installed inside the positioning cover sleeve 56. A positioning plate 78 is provided inside the anti-collision cover sleeve. A sensing rod b 54 is installed on the positioning plate 78. A spring b54 is fitted on the lower part of the sensing rod b54. The upper part of the sensing rod b54 is a stud structure b77-1. After the upper part of the sensing rod b54 passes through a set of positioning blocks b51, the stud structure b77-1 is fixed by a nut b76-1.

[0054] A dust cover 6 is also installed on the transverse moving beam 4. The dust cover 6 is used to prevent dust.

[0055] The working principle of this invention is as follows:

[0056] First, the operator places the sampling container 60 into the sampling bucket 6 of the liquid receiving hopper assembly, and drives the manual lever 64 to rotate the rotating positioning seat to a certain angle and push it to the opening of the sampling container 60. Then, the manual lever 60 is pushed inward to push it into the groove 59-1 of the support rod 59, thus securing the sampling container 60. Since the positioning system is existing technology, the applicant will not elaborate further here. After the positioning system identifies the position of the tank opening, the rotary deceleration device rotates the rotary support component, causing the horizontal moving beam 4 to rotate around the fixed column 2 to a specific angle. At the same time, the vertical moving beam component can be controlled by the motor to move horizontally to the position of the tank opening. Then, the rotary cylinder 34 is controlled to drive the liquid collection hood mechanism to rotate to the outside, and then the motor b is controlled to drive the vertical moving beam to descend. During the descent, after the positioning hood component touches the tank opening, the proximity switch senses the signal and controls the cylinder 43 to drive the liquid receiving hopper component to go deeper into the tank opening to a certain depth. At this time, the liquid sample is loaded into the sampling container 60 fixed in the liquid receiving hopper. After sampling at the specified time, the cylinder automatically drives the liquid receiving hopper component to rise to the position, and then the rotary cylinder 34 drives the liquid collection hood component to rotate to the bottom of the oil receiving hopper to collect the residual liquid. Then the horizontal moving beam and the vertical moving beam component return to their original positions. The operator can rotate the positioning seat 62 and the manual lever 64 on the support rod 59, pull the manual lever 64 outward, and then drive the rotating positioning seat 62 to rotate a certain angle away from the mouth of the sampling container 60, at which point the sampling container can be smoothly taken out.

[0057] This invention is simple to operate, convenient to use, and suitable for widespread promotion and application. Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automated tank truck in-tank sampling device, comprising a column assembly, wherein a rotary speed reduction device is mounted on the column assembly, characterized in that, A transverse motion beam and a transverse motion assembly are installed on the rotary deceleration device. A vertical motion beam assembly is installed on the transverse motion beam, and a liquid receiving hopper assembly is provided at the bottom of the vertical motion beam assembly.

2. The automated tank truck in-tank sampling device as described in claim 1, characterized in that, The column assembly includes a column base plate (1) and a fixed column (2). The fixed column (2) is fixedly installed on the upper part of the column base plate (1), and a rotation deceleration device is installed on the upper part of the fixed column (2).

3. The automated tank truck in-tank sampling device as described in claim 1, characterized in that, The rotary reduction device includes a motor a (82), a reducer a (83), and a rotary reducer a (88). The motor a (82) is connected to the reducer a (83), and the reducer a (83) is connected to the rotary reducer a (88). The rotary reducer a (88) is installed between the column flange (3) and the transverse moving beam flange (5). Mounting base a (16) is installed on fixed column (2). A proximity switch a (15) is installed on mounting base a (16). A sensing plate a (13) is installed on transverse moving beam flange (5). A sensing rod a (14) is installed on sensing plate a (13).

4. The automated tank truck in-tank sampling device as described in claim 1, characterized in that, The lateral motion assembly includes a sensing plate b (27) and a proximity switch b (28). The sensing plate b (27) cooperates with the proximity switch b (28), and the stop block (12) is installed on the right end of the lateral motion beam (4) near the rack (11). A transverse motion beam (4) is installed on the transverse motion beam flange (5). A slide rail (10) is provided on the transverse motion beam (4). The slide rail (10) is matched with the slider (19). The slider (19) is connected to the slide plate (7). A reducer mounting seat (18) is installed on the slide plate (7). A reducer (25) and a motor a (24) are installed on the reducer mounting seat (18). A gear (17) is installed on the output shaft of the motor a (24). A rack is installed on the transverse motion beam (4). The gear (17) is matched with the rack (11). A proximity switch b (28) is installed on the transverse motion beam (4), a sensor b (27) is installed on the slide plate (7), a drag chain mounting plate (8) is installed on the slide plate (7), a drag chain (9) is fixed on the drag chain mounting plate (8), and the drag chain (9) is matched with the drag chain track (9-1).

5. The automated tank truck in-tank sampling device as described in claim 1, characterized in that, The vertical motion beam assembly includes a main connecting plate (26), a sliding plate (7) connected to the main connecting plate (26), the main connecting plate (26) connected to the vertical motion beam connecting plate (23), a connecting plate b (22) installed on the vertical motion beam connecting plate (23), a reducer b (21) and a motor b (20) installed on the connecting plate b (22), a rack b (11-1) installed on the vertical motion beam (42), and a gear b connected to the output shaft of the motor b (20), with the gear b cooperating with the rack b (11-1); A vertical motion beam (42) is mounted on a vertical motion beam connecting plate (23). An upper cylinder mounting seat (41) and a lower cylinder mounting seat (45) are mounted on the vertical motion beam (42). A cylinder (43) is mounted between the upper cylinder mounting seat (41) and the lower cylinder mounting seat (45). The vertical moving beam (42) is equipped with mounting base c (29) and mounting base d (49). A proximity switch c (30) is installed on mounting base c (29), and a proximity switch d (50) is installed on mounting base d (49). A support rod (59) is installed at the lower part of the cylinder (43) via a connecting flange (48). The lower part of the support rod (59) is connected to the upper positioning sleeve (63) and the lower positioning sleeve (65). A rotating positioning seat (62) is provided at the lower part of the support rod (59). A manual lever (64) is provided on the rotating positioning seat (62). A liquid receiving hopper assembly is provided at the lower part of the rotating positioning seat (62). A groove (59-1) is provided on the support rod (59). The manual lever (64) is used to insert into the groove (59-1) for fixing.

6. The automated tank truck in-tank sampling device as described in claim 1, characterized in that, The liquid receiving bucket assembly includes a sampling bucket (61), a top cover (67) and a bottom plate (66), with a sampling container (60) placed inside the sampling bucket (61).

7. The automated tank truck in-tank sampling device as described in claim 6, characterized in that, The liquid receiving hopper assembly cooperates with the rotating liquid collecting mechanism. The rotating liquid collecting hood mechanism includes a rotating cylinder (34), a flange (32), a rotating cylinder mounting seat (35), a connecting seat (36), a common flat key (37), a set screw (39), and a connecting shaft (38). The rotating cylinder mounting seat (35) is provided on the vertical motion beam (42). The rotating cylinder (34) is installed on the rotating cylinder mounting seat (35). The rotating cylinder mounting seat (35) is connected to the connecting seat (36). The common flat key (37) and the set screw (39) are connected to the connecting shaft (38). The connecting flange (40) is connected to the support shaft (72). The liquid collecting hopper (68) is welded to the base (71). The stiffener (69) is connected to the support shaft (72). The valve (70) is connected to the base (71).

8. The automated tank truck in-tank sampling device as described in claim 6, characterized in that, The liquid receiving hopper assembly is also provided with a positioning cover mechanism, which includes a positioning cover sleeve (56), a positioning baffle (57) welded on the positioning cover sleeve (56), and the upper part of the positioning cover sleeve (56) connected to the positioning plate (78). A set of symmetrical sensing rods a (73) are installed on the positioning cover sleeve (56). The lower part of the sensing rods a (73) is fixedly installed on the positioning cover sleeve (56) and the lower part of the sensing rods a (73) is fitted with a spring a (74). The upper part of the sensing rods a (73) is a stud structure a (77). After the upper part of the sensing rods a (73) passes through a set of positioning blocks a (31), the stud structure a (77) is fixed by a nut a (76).

9. The automated tank truck in-tank sampling device as described in claim 8, characterized in that, An anti-collision cover sleeve (79) is installed inside the positioning cover sleeve (56). A positioning plate (78) is provided inside the anti-collision cover sleeve. A sensing rod b (54) is installed on the positioning plate (78). A spring b (54) is fitted on the lower part of the sensing rod b (54). The upper part of the sensing rod b (54) is a stud structure b (77-1). After the upper part of the sensing rod b (54) passes through a set of positioning blocks b (51), the stud structure b (77-1) is fixed by a nut b (76-1).

10. The automated tank truck in-tank sampling device as described in claim 9, characterized in that, A dust cover (6) is also installed on the transverse moving beam (4).

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