320results about How to "Flexible position adjustment" patented technology

The utility model discloses a mirror cabinet with an ultraviolet sterilization function, and relates to the technical field of mirror cabinets. The cabinet comprises a cabinet body, the front end of the cabinet body is connected with a cabinet door through a hinge, the inner wall of the cabinet body is fixedly connected with a first vertical plate and a second vertical plate which can divide the interior of the cabinet body into three parts, and a supporting plate is fixedly arranged on the inner wall of the front end of the cabinet body close to the middle. According to the utility model, when the light-sensitive sensor detects that the ambient light is dark, the light-sensitive sensor sends a signal to the PLC control module to turn on the ultraviolet disinfection lamp, after the signal of the light-sensitive sensor is received, the PLC control module automatically turns on the ultraviolet disinfection lamp in the mirror cabinet to start ultraviolet sterilization treatment, and when the cabinet door is opened, the light is brightened, so that the ultraviolet disinfection lamp is turned off; when the mirror cabinet is used, the light induction sensor sends a closing signal, and the PLC control module immediately closes the ultraviolet disinfection lamp, so that people are prevented from being radiated by ultraviolet rays when using the mirror cabinet, and the cabinet body can be effectively sterilized.

The utility model provides a spraying shielding tool, which relates to the field of coating tools and comprises a fixed frame, a first lead screw and a first guide rod are parallelly mounted on the fixed frame, the tail end of the first lead screw is connected with the output end of a first motor, and a moving block is in threaded connection with a rod body of the first lead screw. A moving block is slidably connected to a rod body of the first guide rod, a second motor and a second guide rod are fixed to the sides, away from the fixed rack, of the two moving blocks correspondingly, the output end of the second motor is connected with a second lead screw, and the second lead screw is in threaded connection with a lifting block. A fourth motor drives a first transmission rod to rotate, the first transmission rod is in meshed connection with an outer rotating shaft through a gear, so that the fourth motor can drive a mounting frame to rotate, a third motor drives an inner rotating shaft to rotate, and a first bevel gear at the tail end of the inner rotating shaft is meshed with a second bevel gear, so that a second transmission rod is driven to rotate; and the angle of the baffle can be flexibly adjusted.

The utility model discloses a tea cake forming device for tea production, which comprises a fixed seat, the fixed seat is mounted on external equipment, an adjusting mechanism is arranged on the fixed seat, and the adjusting mechanism comprises a telescopic mechanism, a push rod, a threaded pipe, a hexagonal sleeve, a fixed sleeve, a pushing mechanism, a limiting rod, a pressure plate, a sliding block and a fitting ring. The telescopic mechanism is connected to the push rod and the fixing base in a matched mode, the threaded pipe is connected to the push rod in a threaded mode, and the adjusting mechanism can accurately control the pressing strength so as to adapt to different types of tea leaves and meet the production requirements. A user is allowed to flexibly adjust the pressure according to the characteristics of tea leaves and the required forming standard, the fixing sleeve is connected to the hexagonal sleeve through threads, the push rod and the telescopic mechanism can accurately adjust the position of the pressing disc, then the pressure for pressing the tea leaves is adjusted, and the quality and consistency of tea cakes are guaranteed.

The invention relates to the technical field of belt conveyors, and discloses an adjustable belt conveyor and a using method thereof.The adjustable belt conveyor comprises a belt, two supporting plates are arranged on the outer side of the belt, rotating rollers are rotationally connected between the two supporting plates through bearings, and a second belt pulley is installed at one end of one rotating roller; a first motor located on the inner side of the belt is installed on one side of the supporting plate. A first belt wheel is fixed to the output shaft end of the first motor. An adjusting assembly used for adjusting the conveying angle of the belt is arranged on the lower side of the supporting plate. A lifting assembly used for adjusting the conveying height of the belt is arranged on the lower side of the adjusting assembly. A second motor is controlled to drive a first lead screw to rotate, the position of a limiting rod can be flexibly adjusted, a first limiting block and a connecting rod rotate around a hinge point, a fixing block and a second limiting block also rotate around the hinge point, then the conveying angle of a belt is changed, and different height differences and conveying requirements can be met; and the use flexibility of the conveyor is improved.

The utility model discloses a gear machining grabbing clamp which comprises a gear machining table, a rotating clamping block is arranged in the gear machining table, and a fixing mechanism is arranged between the gear machining table and the clamping block. According to the gear machining grabbing clamp, the clamping blocks capable of rotating are arranged in the gear machining table, angle rotation and position limitation between the clamping blocks and the gear machining table are achieved through the rotating assembly, and then the positions, relative to gears needing to be machined, of clamping rods in the clamping blocks can be flexibly adjusted; the clamping rods capable of sliding in the clamping block achieve position movement through rotation of the acting rod and threads, when the surfaces of the acting cone pulley and the synchronous cone pulley are meshed, the three clamping rods can synchronously move towards the center of the clamping block, and after the surfaces of the cone pulleys are separated, the acting rod can be independently rotated to control the positions of the clamping rods. And therefore, the surfaces of the gears within the size range can be in contact with the clamping rods on the three sides, and the clamping effect is guaranteed.

The utility model relates to the technical field of assembly tools, in particular to a hydraulic support pin shaft assembly tool which comprises a base, a fixing frame, a mounting rod, a mounting shell, a mounting frame, a supporting plate, an electric push rod a, an electric push rod b, a pressing rod and a fixing belt. The fixing frame is connected with the base and slidably connected with the mounting rod, and the fixing frame is provided with a lifting mechanism. The mounting shell is slidably connected with the mounting rod and is provided with a moving mechanism; the mounting frame is connected with the mounting shell and the supporting plate, and the mounting frame is provided with a containing groove; the electric push rod a is connected with the mounting rack, the electric push rod b is connected with the placing groove, and the pressing rod is connected with the electric push rod b; the base is provided with a control mechanism. According to the hinge pin, the V-shaped groove is formed in the supporting plate so that the hinge pin can be placed more stably and cannot roll, the hinge pin body is fixed to the supporting plate through the pressing rod and the fixing belt, the position of the hinge pin body can be adjusted more flexibly through cooperation of the lifting mechanism and the moving mechanism, and positioning and installation are facilitated.

The invention discloses a skull measurement automatic scanning device based on an adult face shape, and relates to the technical field of skull measurement scanning. Comprising an automatic three-dimensional laser scanning module, a patient head positioning assembly, a data transmission processing module, a summarization and feedback module and a report generation module. The patient head positioning assembly comprises a seat, a movable groove is formed in the upper end of the seat, a head bracket is arranged in the movable groove, a vertical moving mechanism connected with the head bracket is arranged in the movable groove, a mounting frame is fixedly connected to the side wall of the head bracket, and a moving seat is slidably arranged on the inner top wall of the mounting frame. The head of a patient can be fully fixed, the stability of the patient in the scanning process is guaranteed, then scanning errors caused by head movement are reduced, the angle and the direction of the automatic three-dimensional laser scanning module can be flexibly adjusted, skull scanning can be more fully and comprehensively conducted on the head of the patient, and applicability is high.

The utility model discloses a high-rigidity half-moon groove tool rest unit of a combined lathe and the combined lathe, belongs to the technical field of numerical control combined lathes, and solves the problems that a traditional linear guide rail feeding structure is large in occupied space, poor in rigidity and unstable in machining quality. The tool rest unit comprises a tool rest body, and a guide groove is formed in the circumferential face of the tool rest body and axially penetrates through the tool rest body. A sliding groove plate matched with the guide groove is arranged in the guide groove. The sliding groove plate is shorter than the guide groove and used for bearing a cutter. And the section of the guide groove is half-moon-shaped. Limiting plates are installed on the portions, on the two sides of a groove opening of the guide groove, of the tool rest body respectively, and the limiting plates are pressed on the sliding groove plates so as to limit movement of the sliding groove plates in the radial direction. Due to the fact that the sliding groove and the sliding groove plate are arranged on the peripheral face of the tool rest body, occupied space is reduced, and rigidity and transmission efficiency of the whole structure are improved. The tool rest unit is matched with a narrow space scene of a multi-spindle lathe, and the machining requirements of high precision and high efficiency are met.

The utility model discloses a display assembly and electronic equipment, and relates to the technical field of electronics, the display assembly comprises a mounting bracket, a first screen and a second screen, the mounting bracket is provided with a first track groove and a second track groove which are arranged in parallel side by side, and the first track groove and the second track groove are communicated through a communication groove; the first screen can move in the first track groove through the first moving mechanism; the second screen can move in the second track groove through the second moving mechanism, and moves into the first track groove through the communicating groove to move in the first track groove; when the display assembly is in a first state of single-screen display, the second screen is located in the second track groove and is overlapped with the first screen, and when the display assembly is in a second state of double-screen display, the second screen is located in the first track groove and is arranged side by side with the first screen. The second screen can be hidden when a single screen is used, the first screen and the second screen are arranged side by side without intervals when double screens are unfolded, and the visual display effect is good.

The utility model belongs to sheet metal part processing technical field, specifically speaking is a kind of for sheet metal part processing's spraying hanger, including hook;The hook end portion is fixedly connected with connecting frame;Connecting frame lateral wall is equipped with a plurality of hanger rods;The hanger rod is evenly distributed on the lateral wall of connecting frame and the structure is same;Through the horizontal movement of sliding fixing ring along the position of guide rod, fixed ring drives the sliding of the sliding plate fixed with lateral wall in the opening of connecting frame, after adjusting to appropriate position, through the connecting rope of the lateral wall of sliding plate pull fixed hook, the hanger ring of corresponding position is hooked by fixed hook, realize the adjustment fixed of the spacing between hanger rod, after, the sheet metal part is hung on hanger rod, in this process, the sliding fit of guide rod and fixed ring, in combination with the movement of sliding plate in opening, the position of fixed hook can be flexibly adjusted, adapt to the hanging needs of sheet metal part of different sizes, enhance the versatility of hanger, improve the flexibility when using.

The utility model relates to the technical field of storage, in particular to a sputum suction article storage device which comprises a storage box and a box cover, the box cover is installed above the storage box, a supporting seat is connected to the lower portion of the storage box, a moving seat is arranged below the supporting seat, bottom support is provided for the storage box through the moving seat, and the bottom of the storage box is connected with the box cover. Moving wheels are installed below the moving seat, so that the storage box can move, a partition plate is arranged in the storage box and divides the inner space of the storage box, movable blocks are connected to the front side and the rear side of the partition plate, sliding grooves are formed in the outer sides of the movable blocks, and the sliding grooves are formed in the inner wall of the storage box; the partition plates form a horizontal sliding structure through the movable blocks and the sliding grooves. According to the sputum suction article storage device, the space in the storage box can be divided through the partition plates, and the partition plates can horizontally move in the storage box, so that the storage space in the storage box is adjusted, different products can be conveniently stored, and the adaptability is better.

This utility model discloses a liquid baffle with foam suppression function for electrolytic cells, including a liquid baffle body. Vertical plates are fixedly connected to the top four sides of the liquid baffle body. A drive motor is bolted to the outer side of each vertical plate. A threaded rod is fixedly connected to the output end of the drive motor, and a movable plate is threadedly connected to the surface of the threaded rod. This utility model utilizes the synergistic action of a stirring motor, a rotating disc, a crushing rod, a vibrating motor, a vibrating rod, crushing blocks, and spikes to treat foam from multiple aspects, including stirring, crushing, and vibrating. Compared to traditional liquid baffles, it improves foam suppression efficiency, effectively maintains stable liquid levels in the electrolytic cell, and reduces the adverse effects of foam overflow. The lifting structure composed of the drive motor, threaded rod, and movable plate can flexibly adjust the position of the crushing components according to the height and distribution of foam in the electrolytic cell, ensuring good foam suppression effects under different operating conditions.

The utility model relates to the related technical field of pharmaceutical equipment, one embodiment of the utility model provides raw material decoction piece homogenization treatment equipment for preparing nerve soothing granules, the raw material decoction piece homogenization treatment equipment comprises a mixing tank and a support, the mixing tank is arranged in the support, an overturning mixing assembly is arranged in the mixing tank and the support, and a feeding and discharging assembly is arranged at the bottom of the mixing tank and the support; the turnover mixing assembly comprises a pair of central shaft brackets, the central shaft brackets are respectively fixed on the two sides in the bracket, the mixing tank is rotatably connected to the pair of central shaft brackets in a sleeving manner, an outer gear is arranged outside the mixing tank, a driving motor is arranged on one side of the bracket, a driving gear is arranged at the output end of the driving motor, and the driving gear is meshed with the outer gear. By means of the technical scheme, the technical problems that in the prior art, due to the fact that traditional equipment is often difficult to rapidly and evenly mix the raw materials, part of the raw materials are not evenly distributed, some light medicinal materials can be gathered at the top of the equipment, and heavy medicinal materials are precipitated at the bottom are solved.

A headrest rod oiling device relates to the technical field of headrest processing, is used for oiling headrest rods of a headrest, and comprises a machine base and a spraying box arranged on the machine base, the spraying box is provided with a first inserting position and a second inserting position, and the first inserting position and the second inserting position allow the two headrest rods to be vertically inserted into the first inserting position and the second inserting position. The spraying box is provided with an adjusting mechanism used for adjusting the position of the second inserting position so as to adjust the relative distance between the first inserting position and the second inserting position, the spraying box is provided with a pressing mechanism used for fixing the headrest rod located at the first inserting position, and the rear side of the spraying box is correspondingly provided with an oil spraying mechanism used for spraying oil to the headrest rod. And an air blowing mechanism for blowing away residual oil on the headrest rod subjected to oil spraying is arranged in the spraying box. According to the headrest rod oiling device, rapid and accurate oiling of a headrest rod is achieved in a mechanical and automatic mode. And compared with manual oil coating, the working efficiency is greatly improved, and the complexity and time consumption of manual operation are reduced.

The utility model relates to the technical field of server heat dissipation, in particular to a heat dissipation type aluminum alloy plate assembly of a server, which comprises a box body, a sliding groove is arranged at the bottom end of the inner side of the box body, a heat dissipation fan mounting assembly is connected above the sliding groove in a sliding mode, and a limiting assembly is fixedly connected at the bottom end of the heat dissipation fan mounting assembly. Limiting balls are fixedly connected to the two sides of the inner wall of the sliding groove. The cooling fan mounting assembly comprises a base, mounting plates are hinged to the two sides of the top end of the base, embedding holes and fixing holes are formed in the outer surfaces of the mounting plates, and the rear end face of the base is rotationally connected with a wind direction adjusting plate through a damping shaft; according to the utility model, the position of the heat dissipation fan can be flexibly adjusted, circuit boards of different specifications can be accurately adapted, the distance between the heat dissipation fan and a heating source can be greatly shortened, the heat dissipation efficiency can be improved, the heat dissipation path can be optimized, the heat discharge can be accelerated, and the long-term stable operation of the assembly can be ensured.

This invention discloses a construction safety protection device with a supporting structure, relating to the field of construction technology. It includes a lower steel pipe, with an upper steel pipe slidably mounted on top of the lower steel pipe. A ring box is slidably connected to the lower steel pipe. A vertical block is fixedly connected to the outer wall of the lower steel pipe. A sliding groove is provided on the inner wall of the ring box, engaging with the vertical block. An inner air groove is formed between the vertical block and the wall of the lower steel pipe. An outer air groove is formed on the inner wall of the sliding groove, engaging with the inner air groove. Both ends of the ring box are rotatably connected to a lower support box via side boxes, and the lower support box communicates with the ring box via the side boxes. An upper support box is rotatably connected to the end of the lower support box furthest from the side boxes. This construction safety protection device with a supporting structure provides three layers of protection, ensuring the stability of the support and improving the safety performance of the device.

The present disclosure provides a kind of hoisting type lamp structure and decorative lamp, the hoisting type lamp structure includes driver assembly, rope assembly and strip lamp body assembly, driver assembly includes driving element, fixed part and multiple fixed sheets, driving element is provided with receiving slot, driver assembly is sleeved on fixed sheet, fixed sheet is embedded in receiving slot, and multiple fixed parts lock fixed sheet;Rope assembly includes first rope element, second rope element and connecting line, strip lamp body assembly is provided with strip movable slot, one end of first rope element and second rope element is respectively arranged at the two sides of strip movable slot, the other end of second rope element is connected to driving element, and the two ends of connecting line are respectively electrically connected to driving element and strip lamp body assembly.Driving element is locked and fixed by being sleeved on fixed sheet, so that the disassembly and installation of driving element are convenient;By flexibly adjusting the position of first rope element and second rope element in strip movable slot, the diversified installation demand is satisfied.

The utility model relates to a wall-mounted WiFi box, and relates to the technical field of WiFi equipment, in order to solve the problem that a traditional WiFi box occupies the desktop space, the wall-mounted WiFi box comprises a machine box, a wall-mounted mechanism used for being fixed to a wall is arranged on the machine box, the wall-mounted mechanism comprises a wall-mounted support and two wall-mounted rods, the two wall-mounted rods are oppositely arranged on the wall, and the wall-mounted support is arranged on the wall. The wall-mounted support is assembled on the two wall-mounted rods in a sliding mode, two inserting and pulling blocks are arranged at the bottom of the machine box, inserting and pulling grooves used for being matched with the inserting and pulling blocks are formed in the wall-mounted support, and a bearing assembly used for supporting the machine box is further arranged on the wall-mounted support. The space utilization rate is improved, and the signal transmission effect is ensured.

The invention provides a CTP battery pack moving and loading platform in the technical field of battery pack loading, and the CTP battery pack moving and loading platform comprises a PACK trolley, a plurality of positioning pins are vertically arranged at the top end of the PACK trolley, and two guide metal plates are symmetrically arranged in the PACK trolley; the PACK tray is provided with a plurality of pin holes and screw holes and is arranged at the top end of the PACK trolley through the pin holes and positioning pins; the four extension plates are symmetrically mounted on the edge of the PACK tray; the plurality of cushion blocks are mounted at the top end of the PACK tray through bolts; the quick-change positioning module comprises a plurality of switching plates, a plurality of quick locking devices, a plurality of fixing pins and a plurality of POM positioning pieces; the switching plates are arranged on the edge and the middle part of the top end of the PACK tray, surround the cushion block and are locked and attached to the PACK tray through the quick locker; and the fixing pin and the POM positioning piece are arranged on the switching plate. The method has the advantage that the compatibility and the precision of the CTP battery package carrier are greatly improved.

The utility model relates to the technical field of welding equipment, in particular to a welding device facilitating intelligent feeding, which comprises a conveying body and a discharging table, a support frame is fixedly connected to the lower surface of the conveying body, a gear transmission box is fixedly connected to one side of the lower surface of the conveying body, and a driving motor is fixedly connected to one side of the gear transmission box. An adjusting column is fixedly connected to the lower surface of the discharging table, a fixing block is fixedly connected to the lower surface of the adjusting column, and a mounting mechanism and a feeding mechanism are arranged on the upper surface of the discharging table. A mounting mechanism is composed of first mounting frames, fixing rods, second mounting frames and a transverse plate, the first mounting frames are arranged on the left side and the right side of the upper surface of the discharging table and connected with the second mounting frames through the fixing rods, and one sides of the second mounting frames are fixedly connected with the transverse plate. The feeding mechanism has the advantages that a stable and reliable installation foundation is provided for the feeding mechanism, it is guaranteed that the feeding mechanism does not shake or move in the operation process, and therefore the stability and accuracy of the whole feeding process are guaranteed.

The invention discloses a method for assembling and disassembling a battery module in a complex and narrow space, a movable hydraulic battery module assembling and disassembling platform is adopted, the method comprises two steps of assembling the battery module and disassembling the battery module, equipment used in the method is provided with rollers and a detachable baffle, and the safety and convenience of assembling and disassembling the battery module are enhanced. In addition, if the hydraulic control system fails, the mechanical brake pedal can immediately stop the action of the hydraulic lifting device, and the lifting safety is guaranteed. The loading and unloading method has higher flexibility, accuracy, safety and adaptability, and the loading and unloading efficiency and quality of the battery module can be effectively improved.

The utility model relates to a kind of perforated aluminum plate curtain wall waterproof structure, it includes: perforated aluminum plate, its four around have flanging, back support, it is transversely set in the back of perforated aluminum plate;A type frame is fixedly set along back support interval;The flanging of side A type frame and the side of perforated aluminum plate is crossed, to form triangular-shaped hanging hole;Zinc-aluminum-magnesium plate is set interval parallel to perforated aluminum plate;First angle steel, it straddles deformation joint, and is connected in hanging hole;Channel steel;Galvanized rectangular steel tube column, it is vertically set interval, it is through first bolt nut assembly and fixed the web of channel steel and nylon gasket by connecting zinc-aluminum-magnesium plate lap joint place;Angle steel crossbeam;Water board, it is transversely fixed in angle steel crossbeam, and is set between the deformation joint of upper and lower adjacent perforated aluminum plate, it is coated with second sealant between the zinc-aluminum-magnesium plate above, it is coated with third sealant between the zinc-aluminum-magnesium plate below.The utility model is favorable to form stable windproof waterproof perforated aluminum plate curtain wall.

The utility model discloses a kind of adjusting fixed support for moxibustion instrument, the utility model relates to support equipment technical field. Including installation base, the installation base is provided with the support mechanism for the adjustment of moxibustion instrument, the utility rotates second screw rod, since adjusting block is connected with second screw rod thread, and adjusting block slides in adjusting groove inner wall, adjusting block will move along adjusting groove, to change the position of adjusting block on installation support, can flexibly adjust the position of adjusting block according to the size and installation requirement of moxibustion instrument, make installation support can adapt to different specifications moxibustion instrument installation, improve the versatility and practicality of support, then telescopic link in movable slot, drive connecting block and fixed bolt move, so that fixed bolt can adjust position within a certain range, and then moxibustion instrument is installed on installation support, the design of movable slot and telescopic link provides movable space for fixed bolt, so that installation process is more convenient and fast.

The utility model discloses a die workpiece suitable for punching a glue-containing copper foil, which comprises an upper die, a lower die arranged below the upper die, an upper die cavity arranged inside the upper die, a transverse plate fixedly mounted inside the upper die cavity of the upper die, a mounting plate arranged below the transverse plate, a punching head fixedly mounted below the mounting plate, and a lower die arranged below the punching head. The mounting plate is a U-shaped plate, a fixing bolt is arranged in the mounting plate, a long-strip-shaped hole is formed in the transverse plate, and the transverse plate is fixedly connected with the mounting plate through the fixing bolt. According to the die, the capability that the position of a punching structure is stable after adjustment is achieved, practicability is improved, and therefore the problems that an existing die is prone to sliding after the position of the punching structure is adjusted, the punching position is changed, and the number of punching structures is not convenient to increase or decrease according to needs are solved.

The utility model relates to vacuum ion coating pretreatment equipment technical field, especially vacuum ion coating pretreatment equipment, including device body, device body is provided with connecting mechanism, connecting mechanism contains setting exhaust component on device body upper section, device body lower section is provided with connecting component, device body middle section is provided with cooling assembly. Cooling assembly through the combination of cooling fan and cooling fin, can quickly send away the heat generated by equipment operation, effectively reduce the device body internal temperature, the fixed connection of slide holder and exhaust hood can move with exhaust hood, slide on the fixed slide rod, realize the flexible heat dissipation to device different area. The cooperation of collocation fixed rod, limit spring and L shape frame guarantees the stability when heat dissipation part moves, avoids the influence equipment performance and workpiece pretreatment effect because of temperature is too high, prolongs equipment life, guarantees the continuous and stable development of pretreatment work.

This utility model provides a steel section sawing positioning device, belonging to the field of steel section sawing technology. The device includes a sawing machine, a feeding rack on one side of the sawing machine, a receiving rack on the side of the sawing machine away from the feeding rack, and a receiving rack on one side of the receiving rack; a guiding mechanism for assisting in guiding the steel section during transport, connected to the receiving rack; and a positioning mechanism for contacting the end of the steel section to control the sawing length, connected to the receiving rack. This utility model not only has the function of flexibly adjusting the position of the positioning mechanism, accurately adapting to the sawing requirements of steel sections of different lengths, but also plays a crucial auxiliary guiding role in the steel section conveying process, effectively preventing conveying deviation and ensuring sawing quality. Multiple contact wheels adopt a conical structure design, which not only provides reliable auxiliary guidance during steel section conveying but also ensures smooth pushing and unloading of the sawed steel section.

This utility model relates to the field of sampling technology for building materials, and discloses a sampling device for testing building materials, including a sampling mechanism, a transmission mechanism, and a main body mechanism. The sampling mechanism is located on the outer wall of the transmission mechanism, and the transmission mechanism is located on the outer wall of the main body mechanism. The sampling mechanism includes a sampling barrel, a control cylinder is fixedly connected to the upper surface of the sampling barrel, a pneumatic connecting rod is fixedly connected to the outer wall of the control cylinder, and a scraper is fixedly connected to the lower surface of the pneumatic connecting rod. This utility model, by setting the sampling barrel fixedly connected to the control cylinder, and the control cylinder fixedly connected to the pneumatic connecting rod, allows the pneumatic connecting rod to retract via the control cylinder. The pneumatic connecting rod is fixedly connected to the scraper. After sampling, the scraper can be moved by the control cylinder, thereby effectively cleaning residual materials on the inner wall of the sampling barrel and ensuring the accuracy of subsequent sampling and testing.