107results about How to "Easy to install and remove" patented technology

The leather bag leak detection tool comprises a water tank, a fixing table is arranged on the upper side of the water tank, a loading plate is connected to the upper side face of the fixing table in a left-right sliding mode, and a lower leather bag installation base is arranged in a groove in the loading plate; the upper side face of the fixing table is connected with a suspension frame through a support, a lifting table is arranged on the lower side of the suspension frame, an air cylinder used for controlling the lifting table to move up and down is arranged on the suspension frame, and the lifting table is connected with an upper leather bag mounting base through a connecting mechanism. The leather bag leak detection device is used for carrying out leak detection on a leather bag, and the leather bag can rotate after being immersed in water, so that a worker can conveniently observe whether the leather bag leaks air or not; according to the utility model, the leather bag can be spin-dried after leak hunting is completed, and the energy consumption of subsequent leather bag drying is reduced; by arranging the slidable loading plate and the upper leather bag mounting seat capable of moving up and down, the leather bag is more labor-saving and convenient to mount and dismount.

The utility model discloses an embedded sleeve thermal insulation wall connecting piece which comprises a first plate and a second plate, grooves are formed in the upper end and the lower end of the first plate, and connecting mechanisms used for connecting the second plate are arranged in the two grooves. The connecting mechanism comprises a rotating rod rotationally connected between the inner walls of the two ends of the groove, the rotating rod is fixedly sleeved with a fixing block, and a screw is fixedly connected to the side wall of the fixing block. By arranging the connecting mechanism, the first plate and the second plate are connected and fixed, the firmness is high, meanwhile, the mounting and dismounting process is convenient, time and labor are saved, the plates cannot be damaged, the first plate and the second plate in the connecting process are limited by arranging the limiting rod and the limiting hole, and the connecting efficiency is improved. And meanwhile, the liquid storage bag is punctured by the puncture rod, so that glue in the liquid storage bag flows out, the limiting rod in the limiting hole is fixed, and the connection firmness is improved again.

The invention discloses a rail platform crane loaded with a movable crane, which overcomes the defects of the rail platform crane in the prior art and has the advantages of wide working range, large hoisting weight, high loading and unloading efficiency, large loading capacity, safety and reliability. The concrete structure comprises a rail flat car, an end wall assembly and a movable crane device, wherein a rail grabbing device, a fixed freight bogie, a movable freight bogie, a lifting hook fixing device, a tool box and the like are arranged on the rail flat car; the end wall assembly comprises an end door assembly and an end stop assembly. The movable crane device comprises a guide rail assembly, a column inserting assembly, a movable platform, a crane, a power unit, a crane guardrail and a wireless remote controller assembly. The end wall assembly is connected with the rail flat car through a hinge and a hinge seat, and the movable crane device is connected with the rail flat car through a column inserting assembly.

The utility model discloses a tray for an electronic balance, and relates to the technical field of precision measuring instruments. The electronic balance comprises a scale pan and a base, the scale pan comprises a pan body and a mounting column, the mounting column is vertically mounted on the base, the pan body is fixed at the top of the mounting column, the tray is characterized by comprising an annular flexible bottom plate, the mounting column is sleeved with an inner ring of the annular flexible bottom plate, and the annular flexible bottom plate is fixed on the mounting column. The outer ring diameter of the annular flexible bottom plate is larger than the diameter of the disc body, and the inner ring diameter of the annular flexible bottom plate is smaller than the diameter of the disc body. And the annular flexible bottom plate is used for receiving falling materials, and the annular flexible bottom plate is provided with a breaking joint, so that the annular flexible bottom plate can be directly detached from the interval between the scale body and the base without taking down the scale, and the accuracy of a measurement result is ensured.

The utility model relates to the technical field of air conditioner accessories, in particular to an air conditioner radiator elbow joint assembly which comprises a connecting pipe and an elbow body. The connecting assembly is arranged at the end, opposite to the bent pipe body, of the connecting pipe, and the connecting assembly is used for butt joint of the connecting pipe and the bent pipe body; the auxiliary assembly is arranged in the connecting assembly, and the auxiliary assembly is used for enhancing the sealing effect after the connecting pipe and the bent pipe body are in butt joint; through the arrangement of the connecting assembly, the connecting pipe and the bent pipe body can be rapidly connected, meanwhile, it is guaranteed that the position of the installed mounting block can be limited in the using process, then the effect of limiting the position of the screw is achieved, the situation that the screw reverses and loosens due to vibration generated by an air conditioner in the using process is avoided, and the service life of the air conditioner is prolonged. The connecting strength is effectively improved, the mounting and dismounting modes are simple and convenient, and the good connecting effect of the connecting pipe and the bent pipe body in the using process can be kept.

The utility model discloses the technical field of rapid replacement of punches, in the working process, two sets of first U-shaped plates are connected to the punches in a clamped mode, in the using process, due to the fact that the two sets of first U-shaped plates are rough, friction to the punches is increased, the punches are not prone to falling off, and two sets of elastic rods fixed to the punches are not prone to falling off due to the fact that the two sets of first U-shaped plates are connected to the punches in a clamped mode. According to the punching device, when the punching device is used, an elastic force is achieved, mounting and dismounting are convenient, the working efficiency is improved, the two sets of first U-shaped plates are connected to the punch in a clamped mode, when the punching device is used, due to the fact that the two sets of first U-shaped plates are rough, friction to the punch can be increased, the punch is not prone to falling off, and the two sets of elastic rods fixed to the first U-shaped plates are not prone to falling off. The fixing shaft is arranged on the first U-shaped plate, when the fixing shaft is used, an elastic force is achieved, the two first U-shaped plates are pushed to conduct extrusion, parts on the fixing shaft are connected into the fixing shaft, the connecting and placing effects can be achieved when the fixing shaft is used, mounting and dismounting are convenient, and the working efficiency is improved.

The utility model discloses a kind of turnover scaffold wall connecting pieces, the side surface of the building wall is embedded with chemical anchor sleeve, one end of the chemical anchor sleeve is provided with high-strength wire bolt, the outside of the high-strength wire bolt is provided with connecting sleeve, one end of the connecting sleeve is provided with connecting bolt, the outside of the connecting bolt is equipped with fastener in the first scaffold pole, the side surface of the fastener is provided with vertical rod. The utility model relates to scaffold technical field.This turnover scaffold wall connecting piece is fixed with building wall through chemical anchor sleeve, connecting sleeve side is connected with wall through high-strength wire bolt, the other end is connected with connecting bolt, fastener is fixed with the first scaffold pole of scaffold, the length of connecting sleeve is adjusted by rotating connecting sleeve, so that tensioning system is effectively connected between scaffold and wall, turnover is used, and installation and removal are simple.

The utility model discloses a construction operation platform used in a fertilizer groove limited space, which comprises a plurality of groups of support brackets and a platform plate, one end of each support bracket is fixed on an enclosure structure, and the other end of each support bracket extends into a fertilizer groove between the enclosure structure and a structural outer wall to form an overhanging section; the multiple sets of supporting brackets are arranged on the enclosure structure at intervals in the extending direction of the fertilizer groove, the platform plates are laid and fixed to overhanging sections of the supporting brackets, the gaps between every two adjacent sets of supporting brackets are shielded and sealed through the platform plates, and a platform for construction work of constructors is formed at the arrangement positions of the multiple sets of supporting brackets. The construction work platform is simple in structure and ingenious in design, the supporting bracket and the platform plate replace a scaffold to serve as the construction work platform, the construction work platform has the advantages of being flexible in assembly, light, firm and easy and fast to assemble and disassemble, construction difficulty is effectively reduced, construction efficiency is improved, potential safety hazards are reduced, the purposes of reducing cost and improving efficiency are achieved, and the construction work platform is matched with the green construction concept.

The utility model discloses a capping beam sealing end construction hanging basket which comprises a hanging basket body arranged on the capping beam sealing end side, the hanging basket body is fixedly connected with a capping beam sealing end through a hanging frame, the hanging frame penetrates into the capping beam sealing end and is anchored to the capping beam sealing end, and the hanging basket body is fixedly connected with the hanging frame. The device is simple in structure, easy and convenient to install, good in operation space, low in cost and capable of being recycled, the hanging basket is positioned and installed through the hanging bracket, the device has enough strength, rigidity and stability, the structure is simple and reasonable, structural stress is clear, installation and detachment are convenient and fast, use is safe and reliable, and meanwhile the requirements for standardization, serialization, universalization and safety are met.

The utility model relates to the technical field of automatic production and processing, in particular to a UV curing oven for an automatic production line, which comprises a conveying device, a shell is arranged at the top of the conveying device, a mounting cavity is formed in the shell, a through groove communicated with the outside is formed in the inner bottom wall of the mounting cavity, and the through groove is communicated with the inside of the conveying device. The inner bottom wall of the mounting cavity is provided with two slots communicated with the through groove, the two slots are symmetrically distributed, and one side of the shell is provided with a cover plate; through the arrangement of the curing mechanism, a connecting screw rod can be driven to move synchronously through an electric push rod, and under the mutual cooperation of a limiting nut and a connecting plate, the effect of synchronously adjusting the position of a mounting frame can be achieved, so that the effects of changing the position of a first curing lamp and curing products with different thicknesses are achieved; and meanwhile, the mounting and dismounting modes are simple and convenient, and the modular arrangement is convenient for maintenance and repair.

The utility model relates to the technical field of safety protection facilities, in particular to a novel inspection well assembling protective fence which comprises two semicircular protective fences of the same structure, each protective fence is composed of an enclosure frame and a fixing frame, the enclosure frame comprises a plurality of first semicircular rings, the upper first semicircular ring is connected with the lower first semicircular ring through a first vertical protective pipe, and the lower first semicircular ring is connected with the fixing frame through a second vertical protective pipe. A protective net is arranged between every two adjacent first vertical protective pipes. The fixing frame is arranged below the enclosure frame and comprises a plurality of second semicircular rings concentric with the first semicircular rings and different in diameter, the upper semicircular ring and the lower semicircular ring are connected through second vertical protection pipes, and the second semicircular ring at the top is further connected with the first semicircular ring at the bottom through a plurality of transverse fixing pipes. The protective fence is firm and stable in fixation, does not damage a road surface after being fixed, is convenient to mount and dismount, and can be effectively prevented from overturning and shifting after being fixed.

The invention provides a reinforced concrete arch bridge arch rib segment hoisting structure, the left and right webs of the arch rib segment are respectively provided with hoisting holes, the arch rib segment is respectively provided with through slots at the left and right ends of its top plate, a steel plate is movably inserted in the through slot, a limit pin is provided at the top of the steel plate, a through hole is provided at the bottom of the steel plate, a steel rod is movably inserted through the hoisting hole, the steel rod passes through the hoisting hole and the through hole in sequence, a limit device is respectively provided at both ends of the steel rod, and a steel sling for hoisting is installed at the position between the web and the limit device at the outer end of the steel rod. The reinforced concrete arch bridge arch rib segment hoisting structure described in the invention has high safety and reliability, does not need to bury a large number of embedded parts on the arch rib segment, is easy to install and remove, and greatly simplifies the construction process.

The utility model relates to the technical field of anti-theft devices, in particular to an improved blade barbed rope wall net which comprises two connecting plates, butt joint inserting grooves which are evenly distributed are formed in the opposite sides of the two connecting plates, and connecting holes are formed in the inner walls of the butt joint inserting grooves. A fixing screw rod is arranged on the surface of one connecting plate, and the lower end of the fixing screw rod sequentially penetrates through the two adjacent connecting holes and is provided with a fastening nut; when the blade structure is not installed, the two blade fin plates are in a storage state, the situation that the blade fin plates scratch workers in the installation process can be prevented, the safety in the installation and disassembly process is effectively improved, the possibility that the workers are scratched by the blade fin plates is reduced, the installation and disassembly mode is simple and convenient, installation and disassembly can be rapidly conducted, and the practicability is high. The single blade structure can be quickly replaced when damaged, the situation that a traditional structure needs to be integrally replaced is avoided, and the maintenance and replacement cost is reduced.

The utility model relates to a kind of hanging device, belong to safety belt hanging technical field, specifically a kind of sliding type safety belt hanging device, including H-shaped steel, further including clamping assembly and fixed component;The clamping assembly includes the U-shaped card of being arranged in H-shaped steel bottom one side, the L-shaped card is arranged in H-shaped steel bottom other side;The fixed component includes the adjusting hole of being opened in U-shaped card one end, the adjusting hole is opened with multiple;The utility model reaches the effect of convenient installation and disassembly, high security, solves the device directly in the existing device between steel column and sets up safety rope, can cause damage to steel surface, increase welding and cutting process;And safety belt hanging is mostly fixed point, when on the steel beam, cannot satisfy the demand of hanging set;If directly using the mode of safety belt around beam, around column, then lead to structure and safety belt wear seriously, security risk is big, not comply with green environmental protection concept problem.

The utility model discloses a kind of electric tricycle anti-falling devices, including electric vehicle body, anti-falling installation mechanism, installation fixed mechanism and fixed auxiliary mechanism, the anti-falling installation mechanism includes fixed frame and rotating sleeve, the installation fixed mechanism includes clamping rod and bottom fixed pipe, the fixed auxiliary mechanism includes friction ring and threaded tube, through the ingenious cooperation of fixed frame, rotating sleeve, ratchet and rotation block, effectively solve the problem that electric tricycle is prone to reversing in uphill process, one-way rotation mechanism formed by ratchet and rotation block, through the combined design of clamping rod, bottom fixed pipe, clamping pipe, block and block, completely solve the problem that traditional anti-falling device is difficult to conveniently disassemble, quick clamping structure makes installation and disassembly process become simple and efficient, can be completed without professional tool, it is convenient to unlock disassembly, so that user can flexibly decide whether to enable anti-falling function according to road condition, improve the daily use convenience of vehicle.

The utility model discloses a plug-in height control device for pouring concrete on the column side of a steel reinforced concrete column, which belongs to the technical field of constructional engineering concrete construction and comprises a diversion galvanized steel pipe, a stainless steel plate receiving port, an angle steel support frame, an alarm device box, a connecting steel pipe, a floating rod clamping piece, a floating ball rod, a floating ball valve, a contact sensor and a rotating shaft. The stainless steel plate collecting port, the flow guide galvanized steel pipe and the angle steel supporting frame assembly are utilized, so that scientificity and reasonability of the plug-in device are improved; the floating ball principle is utilized to solve the problem of insufficient concrete pouring height or over-pouring concrete loss caused by blind point concrete pouring of workers, the concrete pouring efficiency is improved, and the effects of reducing material waste and manpower consumption, reducing damage to steel columns and the like are remarkable. Meanwhile, the process is simple, operation is convenient, installation and removal are convenient, the turnover performance is high, and the pouring quality and efficiency of the concrete in the section steel column are greatly facilitated and improved.

This application discloses a graphite heat exchanger. By installing an impact-resistant plate on the side of the graphite block facing the feed inlet, the material entering the heat exchanger from the feed inlet first impacts the impact-resistant plate. After being buffered by the impact-resistant plate, the material then enters the heat exchange holes of the graphite block through the through holes. This avoids direct erosion of the graphite block by the material, thereby extending the service life of the equipment. Furthermore, because the end cap and lower cylinder are detachably connected, the graphite heat exchanger adopts a segmented design, with the end cap and lower cylinder separated. This facilitates easy installation and removal, allowing for periodic removal of the end cap to clean all heat exchange holes. This prevents localized blockage of heat exchange holes caused by prolonged operation, which would prevent uneven material flow through the heat exchanger and lead to material concentrating in only a few heat exchange holes, accelerating erosion and perforation of those holes. This also facilitates inspection and maintenance.

The utility model relates to the technical field of building construction, in particular to a novel connecting device. The wall connecting device comprises a wall connecting rod, one end of the wall connecting rod is rotatably connected with a rotating plate, the outer side of the wall connecting rod is in threaded connection with a threaded sleeve, one end of the rotating plate is rotatably connected with a connecting steel pipe, the outer side of the connecting steel pipe is slidably connected with a fixed steel pipe, and an adjusting mechanism is arranged on the inner side of the connecting steel pipe. According to the novel connecting device, due to the design of the adjusting mechanism, the connecting device is convenient to mount and dismount, the extending length of the fixed steel pipe can be adjusted, the connecting device can be flexibly adjusted according to the actual construction condition, and connecting devices of different specifications do not need to be frequently replaced; by means of the structure, tight attachment between the connecting device and the outer wall and between the connecting device and the supporting structure can be guaranteed, gaps and looseness are reduced, the stability and safety of the whole outer wall system can be improved, and potential safety hazards caused by infirm connection are prevented.

The invention relates to an intelligent wind-resistant reinforcing device and method for a high-rise building steel platform formwork system, and the device comprises an integral steel platform, a hanging scaffold, a cylinder frame supporting system, a steel column climbing system, a formwork system, an intelligent reinforcing device and an anemograph. The intelligent reinforcing device comprises a U-shaped connecting buckle, a rotating shaft, a rotating arm, a hydraulic jack, a driving motor and a connecting end plate, one end of the intelligent reinforcing device is connected with the hanging scaffold vertical rod through the U-shaped connecting buckle, the other end of the intelligent reinforcing device is in bolt connection with the concrete core tube wall through the connecting end plate, and the U-shaped connecting buckle is arranged on the rotating shaft; the rotating shaft is provided with a driving motor in a matched mode and connected with a rotating arm, the other end of the rotating arm is connected with a hydraulic jack, and a connecting end plate is arranged at the end of an ejector rod of the hydraulic jack. And the anemograph is fixed on the vertical rod of the hanging scaffold. The wind speed is dynamically monitored and detected in real time through the anemograph, and the connection and reinforcement work of the device and the concrete core tube wall is automatically executed.

This invention relates to the field of automotive component structure technology, specifically to a high-braking lamp mounting structure and disassembly method. It includes a trunk lid and a high-braking lamp. The trunk lid comprises an inner panel and an outer panel. When the trunk lid is closed, the outer panel has a mounting groove recessed downwards in the Z direction at its X-axis front end. The high-braking lamp is mounted within the mounting groove, and when the trunk lid is closed, the X-axis front end of the high-braking lamp connects to the X-axis rear end of the rear windshield. A fixing structure for securing the high-braking lamp within the mounting groove and an arrangement structure for facilitating the installation of wiring harnesses on the high-braking lamp are provided between the inner panel, outer panel, and high-braking lamp. The high-braking lamp mounting structure of this application is very simple. The high-braking lamp is located outside the rear windshield, unobstructed, easy to install and disassemble, increases the storage capacity of the rear cargo area while increasing the luminous area of ​​the high-braking lamp, and has significant potential for widespread application.

The utility model relates to a curtain wall keel for installing floodlighting equipment, which comprises a strip-shaped curtain wall keel with a cavity inside and a rectangular section, one side of the curtain wall keel is provided with an open slot, two sides of the open slot are provided with positioning ribs, the tail ends of the positioning ribs face the inner side of the curtain wall keel, the floodlighting equipment is fixed in the cavity, and the floodlighting equipment is fixed in the open slot. And a light source of the floodlighting equipment is positioned between the positioning ribs and faces the outer side of the curtain wall keel. The curtain wall keel and the floodlighting equipment are combined to serve as a curtain wall unit module fixing device, the overall impermeability is high, unit modules are installed in a combined mode, the installation device forms a three-way cavity containing space, and therefore a curtain wall floodlighting system is higher in impermeability and stable and reliable in operation.

The utility model discloses a welding fire welding protection structure of an H-shaped steel beam top flange. The welding fire welding protection structure comprises two H-shaped steel beams and a fire welding device arranged at the joint of the two H-shaped steel beams. The fire receiving device comprises a first fire receiving box and a second fire receiving box which are oppositely arranged on the two sides of a web of the H-shaped steel beam. The first fire receiving box comprises a bottom plate, a side clamping plate, a first side baffle, a second side baffle and an upper baffle; the bevel edge of the side clamping plate inclines towards the side away from the H-shaped steel beam, a clamping groove is formed in the intersection point of the bevel edge and the short side edge of the side clamping plate, clamping plates used for clamping the upper end face and the lower end face of the upper flange of the H-shaped steel beam are arranged on the outer edge of the clamping groove, and the top face of the first side baffle does not exceed the clamping groove. A connecting plate is further arranged between the first fire receiving box and the second fire receiving box. The technical problem that safety risks are caused due to the fact that sparks splashed during welding of the H-shaped steel beam are difficult to bear completely is solved.

This utility model discloses a pier-crossing moving device, belonging to the field of bridge construction technology. The pier-crossing moving device is located on a bridge and includes a traveling component, a lifting component, a working component, and a supporting component. The traveling component is suspended above the bridge deck and rolls in contact with the supporting guardrail on the bridge. The lifting component is installed on the traveling component and is located on one side of the supporting guardrail. The traveling component is connected to one end of the supporting component, which is located on the other side of the supporting guardrail. There is a gap between the supporting component and the supporting guardrail. The other end of the supporting component is movably connected to one side of the working component, allowing the working component to rotate relative to the supporting component. A traction rope in the lifting component is connected to the other side of the working component, which is located below the bridge. The supporting guardrail provides a gravity balance support point between the working component and the lifting component, ensuring the stability of the pier-crossing moving device during construction and reducing the impact of lateral forces on the supporting guardrail.

The present invention discloses an aluminum alloy inner mold system for a variable-section cast-in-place box girder with a transverse diaphragm, which is composed of a template system and a support system installed in the box girder. The template system includes a standard template, a special-shaped template and a first-removal block template, which are respectively installed at the linear straight part, the variable-section part and the center of the top plate template end of the box girder. The support system includes a base beam, a base beam seat and a steel pipe bracket built on the base beam. The front end of the base beam is suspended on the front upper cross beam of the hanging basket through a hanger rod, and the rear end is installed on the base beam seat. The base beam seat is supported on the bottom plate of the cast beam section; the top of the steel pipe bracket is installed with a keel through a top support, and the keel supports the template. The construction steps include: (1) box girder structure analysis; (2) aluminum alloy inner mold design; (3) aluminum alloy inner mold installation; (4) aluminum alloy inner mold removal. The aluminum alloy inner mold system is used in the construction of variable-section cast-in-place box girders with transverse diaphragms, which can solve the problems of the current steel or wooden template assembly and turnover troubles, long construction period, and large material waste.

The utility model discloses a microwell plate greenhouse culture device for HPV (human papillomavirus) detection, which comprises a box body, a box door is arranged on the front side of the box body, an air duct frame is arranged in an inner cavity of the box body, and the air duct frame comprises two oppositely distributed side air plates and an upper air plate positioned between the top ends of the two side air plates. An opening is formed in the middle of the surface of the upper air plate, an air guide seat is arranged at the opening, and a fan is arranged at the position, located above the air guide seat, of the inner wall of the top end of the box body. Under the action of the air guide seat, air flow passes through the upper air plate to flow towards the air channel formed by the side air plates on the two sides and the inner wall of the box body, enters the bottom between the two side air plates through the U-shaped opening in the bottom, and flows upwards through the ventilation opening in the culture plate; and finally, the air flows towards the side air plates on the left side and the right side through the air guide seat, so that the air in the inner cavity of the box body circularly flows, and the temperature in the box body is uniform.

The utility model belongs to the field of anchoring devices, and particularly relates to a temporary prestressed tensioning and anchoring device for a segmental beam, which comprises a device main body, the upper surface of the device main body is fixedly connected with a mounting device, the mounting device comprises a mounting base plate, and the bottom surface of the mounting base plate is fixedly connected with the upper surface of the device main body; a trigger plate is slidably connected to the inner wall of the mounting base plate, the bottom face of the trigger plate is fixedly connected with the upper surface of a reed, and the bottom face of the reed is fixedly connected with the inner wall of the mounting base plate. According to the temporary prestress tensioning and anchoring device for the segmental beam, through the arranged steel noose, when the longitudinal anchoring distance of the steel noose is increased, a force arm can be lengthened, the anti-overturning moment of a variable-cross-section continuous beam can be increased, temporary supports are arranged on the two sides of the pier column, the overturning force arm is reduced, the overturning moment can be effectively reduced, and the cantilever pouring safety of the continuous beam is guaranteed; compared with a traditional anchoring process, the steel noose and the supporting stand column are convenient to mount and dismount.

The utility model provides a kind of unmanned plane water sampler for river water body sampling, belong to environmental monitoring equipment technical field.It includes unmanned plane, the unmanned plane bottom is equipped with fixing frame, support angle is respectively equipped with in fixing frame bottom end both sides, the fixing frame below is equipped with water taking box body, the water taking box body is connected between fixing frame by water taking box lifting device, the water taking box body is equipped with sealing box door, several sampling tube assemblies are equipped in water taking box body, the water taking box body is also equipped with sampling tube water taking mechanism.Unmanned plane single flight can realize the synchronous sampling of multiple sampling tube assemblies, overcome the insufficient sampling amount of existing unmanned plane single flight, only can gather single sample, the efficiency bottleneck of insufficient sampling amount;Sampling tube assembly installation is convenient to disassemble and pick, and disassembly efficiency is high, and sampling tube assembly is fixed stable, can effectively avoid the sample leakage and damage caused by shaking displacement.