A mobile sampler
The mobile sampling machine, with its integrated design and multiple drive components, solves the problems of inconvenient movement and low sampling accuracy of traditional sampling machines, achieving flexibility and stability of the equipment and ensuring precise adjustment of sampling position and depth.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEBEI HEQI INTELLIGENT TECHNOLOGY CO LTD
- Filing Date
- 2025-08-18
- Publication Date
- 2026-07-21
AI Technical Summary
Traditional sampling machines are inconvenient to move, have a limited sampling range, a scattered structure, low motion adjustment precision, and poor operational stability, which cannot meet the needs of efficient and accurate sampling.
The fan, grain storage silo, air pump and sampling machine are integrated into a mobile load-bearing chassis. Through the integrated design of tower, rotating arm, sampling trolley and sampling rod, combined with multiple drive components and hose connection, the equipment can achieve multi-dimensional sampling and material transfer, improving the flexibility and accuracy of operation.
It achieves overall mobility of the sampling machine, precise adjustment of multi-dimensional sampling position and depth, improves the operational stability and sampling accuracy of the equipment, avoids deviation or overturning, and meets the needs of efficient and accurate sampling.
Smart Images
Figure CN224535492U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sampling machine technology, and in particular to a mobile sampling machine. Background Technology
[0002] In the field of grain storage and quality testing, sampling is a key step in ensuring food security and assessing grain quality. It requires precise sampling of grain piles at different depths and in different grain warehouses, which places stringent demands on the flexibility, adjustment accuracy, and operational stability of sampling equipment.
[0003] Traditional sampling machines are mostly fixed, which is inconvenient to move and has a limited sampling range. Some mobile sampling machines have problems such as dispersed structure, low motion adjustment accuracy, and poor operation stability. For example, fixed sampling machines cannot be flexibly transferred to different grain silos. The coordination of the lifting and rotating of the sampling arm and the movement of the sampling trolley in simple mobile equipment is insufficient, resulting in large deviations in the sampling position. Moreover, the lack of a stable support structure makes it easy for the equipment to shake during operation, affecting the sampling accuracy. At the same time, the synchronicity of the lifting and lowering drive of the sampling rod is poor, which can easily lead to skew, failing to meet the requirements of efficient and accurate sampling. Utility Model Content
[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a mobile sampling machine with the effects of flexible movement, accurate sampling and stable operation.
[0005] The above-mentioned utility model objective is achieved through the following technical solution:
[0006] A mobile sampling machine includes a blower, the blower being connected to a grain storage silo via a first hose, the grain storage silo being connected to an air pressure pump via a second hose, and also includes a movable support chassis and a sampling machine body.
[0007] The blower, grain storage silo, air pump, and sampler are all fixedly installed on the movable support chassis.
[0008] The main body of the sampling machine includes a tower, a rotating arm, a sampling trolley, and a sampling rod;
[0009] The top of the tower is rotatably connected to the rotating arm, the rotating arm is slidably connected to the sampling trolley, and the sampling rod is vertically inserted through the sampling trolley;
[0010] The rotating arm is connected to a rotation drive assembly that drives it to rotate horizontally;
[0011] The sampling trolley is connected to a translation drive assembly that drives its horizontal movement.
[0012] The sampling trolley is equipped with a transmission device that drives the sampling rod to rise and fall.
[0013] The sampling rod is connected to the grain storage bin via a third flexible hose.
[0014] The above technical solution integrates the fan, grain storage silo, air pump, and the main body of the sampling machine, including the tower, rotating arm, sampling trolley, and sampling rod, onto a movable support chassis, achieving overall equipment mobility. Utilizing the rotating connection between the tower and the rotating arm, the sliding connection between the rotating arm and the sampling trolley, and the structure where the sampling rod passes through the sampling trolley, along with the drive of the rotation drive assembly, translation drive assembly, and transmission device, a multi-dimensional sampling motion system is formed, covering different sampling positions and depths. Simultaneously, the transfer of sampled materials is achieved through hose connections, improving operational flexibility and integration.
[0015] As a further technical solution of this utility model: the tower also includes a first column, a second column and a hydraulic cylinder;
[0016] The bottom of the first column is fixedly connected to the movable support chassis;
[0017] The second column is fitted inside the first column to form an axial sliding pair;
[0018] The bottom of the cylinder body is fixedly connected to the first column, and the top of the cylinder piston rod is connected to the bottom of the second column.
[0019] Through the above technical solution, the tower adopts a first column, a second column nested inside it, and a hydraulic cylinder structure connecting the two. The hydraulic cylinder drives the axial sliding and lifting of the second column relative to the first column, which can adapt to different working height requirements. The setting of the axial sliding pair ensures the stability and guidance of the lifting movement and enhances the structural reliability of the tower.
[0020] As a further technical solution of this utility model: the rotating arm also includes a rotating seat, an arm body, and a support;
[0021] The rotating seat is rotatably connected to the top of the second column;
[0022] The arm body is composed of four parallel cylindrical tubes, one end of which is connected to the rotating base and the other end is fixedly connected to the bracket.
[0023] The rotary drive assembly is mounted on the rotary base.
[0024] Through the above technical solution, the rotating arm consists of a rotating seat, an arm body made of four parallel round tubes, and a support. The rotating seat is rotatably connected to the top of the second column, and the two ends of the arm body are respectively connected to the rotating seat and the support, providing an installation foundation for the rotating drive component. The structure of the four round tubes not only achieves load distribution, but also provides a supporting foundation for the sliding of the sampling trolley, thereby improving the structural strength and functionality of the rotating arm.
[0025] As a further technical solution of this utility model: the two lower round tubes are slidably connected to the sampling trolley, and the two upper round tubes are used to guide and limit the sampling trolley.
[0026] Through the above technical solution, the two lower round tubes of the rotating arm are slidably connected to the sampling trolley, and the two upper round tubes guide and limit it, forming a constraint structure that works together to ensure the stability of the sampling trolley's trajectory when sliding along the rotating arm, avoiding deviation or shaking, and improving the accuracy and stability of the trolley's movement.
[0027] As a further technical solution of this utility model: the rotary drive assembly includes a first motor and a first reducer. The first reducer is installed on the rotary base, its input end is connected to the output end of the first motor, and its output end drives the rotary base to rotate around the top of the second column via gear transmission.
[0028] Through the above technical solution, the first motor of the rotary drive assembly drives the rotary seat to rotate around the top of the second column via the first reducer and gear transmission. The reducer achieves the matching of speed and torque, and the gear transmission ensures the high efficiency and stability of power transmission, making the horizontal rotation of the rotary arm controllable and reliable.
[0029] As a further technical solution of this utility model: the translation drive assembly includes a second motor, a driving sprocket, a driven sprocket, and a transmission chain; the second motor is mounted on the rotating base, the driving sprocket is connected to the output shaft of the second motor, the driven sprocket is mounted on the bracket, the transmission chain meshes and surrounds between the driving sprocket and the driven sprocket, and the upper section of the transmission chain passes through the sampling trolley, and the lower section is fixedly connected to the sampling trolley to drive its movement.
[0030] Through the above technical solution, the second motor of the translation drive component drives the active sprocket, which in turn drives the driven sprocket via the transmission chain. By utilizing the structure in which the sampling carriage passes through the upper side of the chain and is fixed to the carriage at the lower side, the cyclic motion of the chain is converted into the horizontal movement of the carriage along the rotating arm, thereby realizing the adjustment of the sampling position. The continuity of the chain drive and the differentiated connection design improve the stability of the movement.
[0031] As a further technical solution of this utility model: the transmission device includes a third motor, a second reducer and a synchronous chain assembly;
[0032] The output shaft of the third motor is connected to the input end of the second reducer, and the output end of the second reducer drives the synchronous chain assembly;
[0033] The synchronization chain assembly includes an inner sprocket set, a drive shaft, and an outer sprocket set, with both ends of the drive shaft connected to the inner sprocket set and the outer sprocket set, respectively.
[0034] Through the above technical solution, the third motor of the transmission device drives the inner sprocket group through the second reducer. The transmission shaft synchronously connects the inner and outer sprocket groups, so that the power is evenly transmitted from the inner sprocket group to the outer sprocket group, avoiding unilateral power delay or deviation, and ensuring the power synchronization and stability when the outer sprocket group drives the sampling rod to rise and fall.
[0035] As a further technical solution of this utility model: the outer sprocket assembly includes a symmetrical first chain and a second chain, and clamping blocks are provided on the outer sides of both the first chain and the second chain for clamping the sampling rod.
[0036] Through the above technical solution, the symmetrical first and second chains of the outer sprocket assembly clamp the sampling rod through the outer clamping block. The synchronous movement of the chains drives the sampling rod to rise and fall vertically. The clamping block enhances the connection with the sampling rod, and the symmetrical chain structure avoids the deviation of the sampling rod when it rises and falls, thus improving the stability of the movement.
[0037] As a further technical solution of this utility model: the bottom of the movable load-bearing chassis is provided with support legs.
[0038] Through the above technical solution, the support legs at the bottom of the movable load-bearing chassis can be deployed to support the equipment during operation, distribute the load, and counteract the overturning moment; they can be retracted when moving, without interfering with the movement of the chassis, thus balancing the operational stability and mobility of the equipment.
[0039] In summary, this utility model has at least one of the following beneficial technical effects:
[0040] 1. This utility model discloses a mobile sampling machine, which integrates a fan, grain storage silo, air pressure pump, and the main body of the sampling machine including a tower, rotating arm, sampling trolley, and sampling rod into a mobile bearing chassis. With the help of multiple drive components and hose connections, the machine can achieve overall mobility, multi-dimensional sampling, and efficient material transfer, thereby improving operational flexibility and integration.
[0041] 2. This utility model discloses a mobile sampling machine, which achieves precise movement of the sampling mechanism in height, horizontal rotation, translation and lifting directions through the lifting structure of the tower, the support and guiding design of the rotating arm, and the transmission cooperation of each driving component, ensuring the precise adjustment of the sampling position and depth.
[0042] 3. This utility model discloses a mobile sampling machine, which achieves structural stability of the equipment during lifting, rotation, movement and operation by means of the axial sliding pair of the tower, the circular tube constraint of the rotating arm and the support function of the support legs, so as to avoid deviation or overturning and improve the overall operational reliability. Attached Figure Description
[0043] Figure 1This is a schematic diagram of the overall structure of a mobile sampling machine according to Embodiment 1 of this utility model.
[0044] Figure 2 for Figure 1 Side view of the main body of the prototype.
[0045] Figure 3 for Figure 1 Cross-sectional view of the central tower.
[0046] Figure 4 for Figure 1 A schematic diagram of the rotating arm.
[0047] Figure 5 for Figure 1 A schematic diagram of the structure of the sample-taking trolley.
[0048] Figure 6 for Figure 1 A schematic diagram of the internal structure of the sample-taking trolley.
[0049] Reference numerals: 1. Fan; 2. Grain storage silo; 3. Air pump; 4. Sampling machine body; 41. Tower; 411. First column; 412. Second column; 413. Hydraulic cylinder; 42. Rotating arm; 421. Rotating seat; 422. Arm body; 4221. Circular tube; 423. Support; 43. Sampling trolley; 44. Sampling rod; 5. Movable support chassis; 6. Rotary drive assembly; 61. First motor; 62. First reducer; 7. Translation drive. Components; 71. Second motor; 72. Drive sprocket; 73. Driven sprocket; 74. Drive chain; 8. Transmission device; 81. Third motor; 82. Second reducer; 83. Synchronous chain assembly; 831. Inner sprocket assembly; 832. Drive shaft; 833. Outer sprocket assembly; 8331. First chain; 8332. Second chain; 84. Clamping block; 9. Support leg; 101. First hose; 201. Second hose; 301. Third hose. Detailed Implementation
[0050] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.
[0051] In the description of this application, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0052] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0053] Example 1:
[0054] Reference Figure 1 This utility model discloses a mobile sampling machine, comprising a fan 1, a grain storage silo 2, an air pressure pump 3, a sampling machine body 4, and a movable support chassis 5. The movable support chassis 5 is equipped with wheels and support legs 9. During operation, the support equipment is deployed to distribute the load and counteract the overturning moment; during movement, the legs are retracted without interfering with chassis transfer, thus balancing stability and flexibility. The mobile support chassis 5 integrates the fan 1, grain storage silo 2, air pressure pump 3, and sampling machine body 4, forming a closed loop of "sampling-material transfer-storage" through a first hose 101, a second hose 201, and a third hose 301.
[0055] Reference Figure 1 and Figure 2 The main body 4 of the sampling machine includes a tower 41, a rotating arm 42, a sampling trolley 43 and a sampling rod 44. The top of the tower 41 is rotatably connected to the rotating arm 42, the rotating arm 42 is slidably connected to the sampling trolley 43, and the sampling rod 44 is vertically inserted through the sampling trolley 43.
[0056] Reference Figure 1 and Figure 3 The tower 41 adopts a sleeve-type lifting structure. The first column 411 is welded to the movable bearing chassis 5, and the second column 412 is sleeved inside it and fitted with a self-lubricating copper sleeve to form a sliding pair. The cylinder body of the lifting cylinder 413 is hinged to the lower part of the first column 411, and the piston rod is connected to the base plate of the second column 412 through a joint bearing. A mechanical stop can also be set at the end of the stroke of the cylinder 413 to cut off the hydraulic oil circuit when triggered.
[0057] Reference Figure 4 The rotating arm 42 is rotatably connected to the top of the second column 412 via a rotating base 421. The arm body 422 is composed of four parallel cylindrical tubes 4221. One end of each cylindrical tube 4221 is connected to the rotating base 421, and the other end is fixedly connected to a bracket 423, forming a rigid frame supported at both ends. The two lower cylindrical tubes 4221 are slidably connected to the sampling carriage 43, and the two upper cylindrical tubes 4221 guide and limit the sampling carriage 43. The rotation drive assembly 6 is integrated on the rotating base 421 and consists of a first motor 61 and a first reducer 62. The output end of the reducer drives the rotating base 421 to rotate around the top of the second column 412 via gear transmission. Specifically, the gear transmission consists of a meshing drive gear and a fixed gear. The fixed gear is fixed to the outer periphery of the top of the base below the rotating base 421 by a positioning pin, and the drive gear is keyed to the output end of the first reducer 62. The bottom of the rotating base 421 is rotatedly fitted to the outer side of the bearing housing. The drive gear rotates with the output end of the reducer, and due to the meshing with the fixed gear, it revolves around the axis of the second column 412, driving the first reducer 62 and the rotating seat 421 to rotate synchronously. The bottom bearing supports the load, reduces friction, ensures stability, and enables horizontal adjustment of the rotating arm 42. In addition, mechanical limiters are installed on the edge of the rotating seat 421 and the bracket 423 to limit the rotation angle and the stroke of the sampling carriage 43.
[0058] Reference Figure 4 and Figure 5 The sampling carriage 43 is an integrated mobile carrier. Its main body is a frame structure adapted to the rotating arm 42. A sliding tube is opened at the bottom to match the two lower circular tubes 4221. The horizontal sliding along the rotating arm 42 is achieved through the gap fit between the sliding tube and the circular tubes 4221. The two upper circular tubes 4221 are symmetrically arranged on the upper left and right sides of the sampling carriage 43, forming a small gap fit with the lateral edges of the sampling carriage 43. This constraint on the lateral swing of the sampling carriage 43 achieves guiding and limiting. (Refer to...) Figure 4 A translation drive assembly 7 is connected between the rotating base 421 and the support 423. A second motor 71 is mounted on the rotating base 421, and its output shaft is connected to a drive sprocket 72. The drive sprocket 72 meshes with a driven sprocket 73 mounted on the support 423 via a transmission chain 74. The upper section of the transmission chain 74 passes through a sampling carriage 43, and the lower section is fixedly connected to the sampling carriage 43. The cyclic movement of the chain drives the sampling carriage 43 to move horizontally along the rotating arm 42, adjusting the front and rear positions of the sample. In addition, a chain tensioning device is provided to tension the transmission chain 74.
[0059] Reference Figure 5 and Figure 6The sampling trolley 43 integrates a transmission device 8, which includes a third motor 81, a second reducer 82, and a synchronous chain assembly 83. The output shaft of the third motor 81 is connected to the input end of the second reducer 82, and the output end of the second reducer 82 drives the synchronous chain assembly 83. The synchronous chain assembly 83 includes an inner sprocket set 831, a drive shaft 832, and an outer sprocket set 833. The two ends of the drive shaft 832 are connected to the inner sprocket set 831 and the outer sprocket set 833, respectively. The outer sprocket set 833 is composed of a symmetrical first chain 8331 and a second chain 8332. Clamping blocks 84 are provided on the outer sides of both chains. The clamping blocks 84 clamp the sampling rod 44. The sampling rod 44 is driven to rise and fall vertically through the synchronous movement of the chains. The symmetrical structure ensures that the sampling rod 44 is subjected to balanced force and has no deviation when it rises and falls.
[0060] Reference Figure 1 The sampling rod 44 is vertically inserted into the sampling trolley 43. A miniature grain suction device is installed at the lower end of the sampling rod 44. It is connected to the grain storage bin 2 through the third hose 301. With the negative pressure environment formed by the fan 1 and the air pressure pump 3, the miniature grain suction device directly contacts and sucks in the grain sample, which is then transferred to the grain storage bin 2 through the hose, thus completing the collection and storage of the sampled material.
[0061] The working process of this utility model is as follows:
[0062] After the equipment is transported to the work site via the wheel set of the movable support chassis 5, the operator unfolds the support legs 9 to lift the chassis, causing the wheel set to leave the ground and distributing the load of the entire machine, thus completing the work positioning. The lifting cylinder 413 of the tower 41 is activated, driving the second column 412 to rise and fall axially along the inner cavity of the first column 411 to a preset height (adapted to the height of the car body or grain pile), with the sliding pair constraining the lifting trajectory to prevent swaying. The first motor 61 of the rotary drive assembly 6 drives the rotating seat 421 via the first reducer 62 and the gear pair, causing the rotating arm 42 to rotate horizontally around the top of the second column 412 to the target position; the arm body 422, composed of four round tubes 4221, provides a sliding base for the sampling trolley 43.
[0063] The second motor 71 of the translation drive assembly 7 drives the drive sprocket 72, which meshes with the driven sprocket 73 via the transmission chain 74. The lower bearing section of the chain is rigidly fixed to the bottom plate of the sampling trolley 43 through a connector, while the upper section passes through the internal guide groove of the trolley, converting the chain motion into the horizontal sliding of the trolley along the two lower circular tubes 4221. The two upper circular tubes 4221 synchronously constrain the tilt angle of the trolley. The third motor 81 of the transmission device 8 drives the inner sprocket group 831 via the second reducer 82, which synchronously drives the double chain of the outer sprocket group 833 via the transmission shaft 832. The clamping block 84 clamps the sampling rod 44 and inserts it into the grain pile to the preset depth.
[0064] Negative pressure sampling stage: The pneumatic pump 3 first injects 0.2MPa positive pressure into the grain storage silo 2 to remove residual grain. Then, the blower 1 starts, forming a -15kPa negative pressure in the grain storage silo 2. Grain grains are then sucked in through the bottom orifice of the sampling rod 44 and transported to the grain storage silo 2 for temporary storage through the third sampling hose 301. After completion, each mechanism resets in the following order: the sampling rod 44 is raised first, the sampling trolley 43 retracts, the rotating arm 42 returns to zero, the hydraulic cylinder 413 lowers the tower 41, and finally the support leg 9 retracts, and the chassis wheel assembly is transferred to the ground.
[0065] The implementation principle of this utility model is as follows: This mobile sampling machine integrates the fan 1, grain storage silo 2, air pressure pump 3, and sampling machine body 4 through a movable support chassis 5, forming an integrated working unit that can be moved as a whole; the three-dimensional motion control is completed by three sets of drive systems working together: the first motor 61 of the rotary drive component 6 is reduced and increased in torque by the first reducer 62, and then drives the rotating seat 421 to rotate around the top of the tower 41 through the gear pair to achieve precise horizontal positioning of the rotating arm 42; the second motor 71 of the translation drive component 7 drives the lower support section of the transmission chain 74 to be fixedly connected to the sampling trolley 43 to transmit driving force. The upper section is equipped with an internal guide groove for the trolley to form an interference-free return path, enabling the trolley to move radially and linearly along the rotating arm 42. The third motor 81 of the transmission device 8 is driven by a double chain, and the force couple constraint formed by the symmetrical clamping blocks 84 on the outside ensures that the sampling rod 44 is lifted and lowered vertically without deviation. The negative pressure sampling mechanism relies on the closed-loop operation of the hose system. The air pressure pump 3 injects positive pressure into the grain storage bin 2 in advance to remove residual grain. When the sampling rod 44 is inserted into the grain pile, the fan 1 forms a stable negative pressure in the grain storage bin 2, so that the grain grains are sucked in through the bottom hole of the rod and transported to the grain storage bin 2 for temporary storage through the third hose 301, completing the fully automated sampling process.
[0066] The embodiments described herein are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.
Claims
1. A mobile sampling machine, comprising a blower (1), wherein the blower (1) is connected to a grain storage silo (2) via a first hose (101), and the grain storage silo (2) is connected to an air pressure pump (3) via a second hose (201), characterized in that, It also includes a movable support chassis (5) and a sampler body (4); The blower (1), grain storage silo (2), air pressure pump (3) and sampler body (4) are all fixedly installed on the movable bearing chassis (5); The main body (4) of the sampling machine includes a tower (41), a rotating arm (42), a sampling trolley (43), and a sampling rod (44); The top of the tower (41) is rotatably connected to the rotating arm (42), the rotating arm (42) is slidably connected to the sampling trolley (43), and the sampling rod (44) is vertically inserted through the sampling trolley (43). The rotating arm (42) is connected to a rotation drive assembly (6) that drives it to rotate horizontally; The sampling trolley (43) is connected to a translation drive assembly (7) that drives its horizontal movement; The sampling trolley (43) is equipped with a transmission device (8) for driving the sampling rod (44) to rise and fall; The sampling rod (44) is connected to the grain storage bin (2) via a third flexible hose (301).
2. The mobile sampling machine according to claim 1, characterized in that, The tower (41) also includes a first column (411), a second column (412), and a hydraulic cylinder (413); The bottom of the first column (411) is fixedly connected to the movable support chassis (5); The second column (412) is sleeved inside the first column (411) to form an axial sliding pair; The bottom of the cylinder body of the oil cylinder (413) is fixedly connected to the first column (411), and the top of the piston rod of the oil cylinder (413) is connected to the bottom of the second column (412).
3. A mobile sampling machine according to claim 2, characterized in that, The rotating arm (42) also includes a rotating base (421), an arm body (422), and a support (423); The rotating base (421) is rotatably connected to the top of the second column (412); The arm body (422) is composed of four parallel cylindrical tubes (4221), one end of which is connected to the rotating seat (421), and the other end is fixedly connected to the bracket (423). The rotary drive assembly (6) is mounted on the rotary base (421).
4. A mobile sampling machine according to claim 3, characterized in that, The two lower round tubes (4221) are slidably connected to the sampling trolley (43), and the two upper round tubes (4221) are used to guide and limit the sampling trolley (43).
5. A mobile sampling machine according to claim 3, characterized in that, The rotary drive assembly (6) includes a first motor (61) and a first reducer (62). The first reducer (62) is mounted on the rotary seat (421), and its input end is connected to the output end of the first motor (61). Its output end drives the rotary seat (421) to rotate around the top of the second column (412) via gear transmission.
6. A mobile sampling machine according to claim 3, characterized in that, The translation drive assembly (7) includes a second motor (71), a drive sprocket (72), a driven sprocket (73), and a transmission chain (74). The second motor (71) is mounted on the rotating base (421). The drive sprocket (72) is connected to the output shaft of the second motor (71). The driven sprocket (73) is mounted on the bracket (423). The transmission chain (74) meshes and surrounds between the drive sprocket (72) and the driven sprocket (73). The upper section of the transmission chain (74) passes through the sampling carriage (43), and the lower section is fixedly connected to the sampling carriage (43) to drive its movement.
7. A mobile sampling machine according to claim 1, characterized in that, The transmission device (8) includes a third motor (81), a second reducer (82), and a synchronous chain assembly (83); The output shaft of the third motor (81) is connected to the input end of the second reducer (82), and the output end of the second reducer (82) drives the synchronous chain assembly (83); The synchronization chain assembly (83) includes an inner sprocket set (831), a drive shaft (832), and an outer sprocket set (833). The two ends of the drive shaft (832) are connected to the inner sprocket set (831) and the outer sprocket set (833), respectively.
8. A mobile sampling machine according to claim 7, characterized in that, The outer sprocket assembly (833) includes a symmetrical first chain (8331) and a second chain (8332), and clamping blocks (84) are provided on the outer sides of both the first chain (8331) and the second chain (8332) for clamping the sampling rod (44).
9. A mobile sampling machine according to claim 1, characterized in that, The movable load-bearing chassis (5) is provided with support legs (9) at the bottom.