47results about How to "Stable placement" patented technology

The invention belongs to the field of bridge monitoring and particularly relates to a system and method for continuously monitoring bridge deformation through foundation radar. The system comprises concrete piers (3), fixed supports (2) and foundation radar instruments (1), wherein each concrete pier (3) is fixed to a foundation, each fixed support (2) is connected with the corresponding concrete pier (3), and each foundation radar instrument (1) is connected with the corresponding fixed support (2). Each foundation radar instrument (1) is used for conducting interference-strategy measurement on a bridge (4). The foundation radar instruments (1), the fixed supports (2) and the concrete piers (3) are located between the bridge (4) and the foundation. By the adoption of the system and method for continuously monitoring bridge deformation through the foundation radar, the problem that an existing instrument can only monitor bridge deformation for once is solved, and the design basis stability of the instruments is achieved; through the method for continuous monitoring, an operator can continuously monitor a monitored target for a long time without arranging the instruments for a long time; the system is simple in structure and convenient to debug, and capable of continuously and accurately monitoring the health condition of the bridge.

The invention discloses a sink with a multifunctional magnetic storage plate. The sink comprises at least one sink basin, a table top and the storage plate, wherein the at least one sink basin is used for containing an object, the table top is in seamless connection with the sink basin, and the storage plate is erected on the table top. The sink is characterized in that at least one permanent magnet is arranged on the back surface of a storage surface of the storage plate. The storage plate is in the seamless connection with the table top, the object can be adsorbed on the storage surface of the storage plate directly by utilizing magnetism or indirectly by an accessory, and therefore, the three-dimensional space above the sink can be utilized, and the object is stably placed in any position and safely and conveniently taken. The sink has the advantages of simple and practical structure and capacity of full space utilization.

The invention relates to a collection cabinet comprising a body. The body of the collection cabinet is provided with a top plate, a back plate, side plates and a base, and the front side of the body of the collection cabinet is provided with a door. The collection cabinet is characterized in that the base comprises a chassis and a pull plate, the chassis is fixedly connected to the body of the collection cabinet, the pull plate can move back and force relatively to the chassis, the bottom surface of the pull plate is butted on the upper surface of the chassis, the bottom of the pull plate is provided with rolling wheels, the chassis is provided with cavity which can hold the rolling wheels and facilitate the linear slide of the rolling wheels, and two sides of the pull plate, which correspond to the side plates, are in fit connection with the body of the collection cabinet through rolling guideways. Compared with the prior art, the collection cabinet has the advantages that because the base is in the movable structure, and the pull plate can move relatively to the chassis, the collection can be stored more conveniently with least labor, and because the rolling wheels arranged at the bottom of the pull plate can be rightly and totally embedded in the cavity of the chassis to form embedded rolling wheel structures, the collection cabinet hereby has more compact and attractive structure.

The invention discloses a mobile phone wireless charging device based on an HVAC. The HVAC comprises a PCB, the PCB is provided with a charging circuit, and the charging circuit is connected with a charging transmitting coil through a wire to constitute a charging circuit. The charging circuit is further provided with switches, and the charging transmitting coil is connected with a charged mobile phone in a wireless mode. By means of the mobile phone wireless charging device based on the HVAC, the mobile phone can be charged safely and efficiently on a vehicle in a wireless mode, the mobile phone wireless charging device can be achieved by improving an original PCB of the HVAC and an HVAC cavity of the HVAC, and the improvement cost is low.

The invention relates to a method for non-contact measurement of the displacement of a tamping apparatus of a railway track lifting and lining tamping wagon. According to the method, the tamping apparatus, a CCD sensor and a signal output interface are included, the upper end of the tamping apparatus is provided with a tamping wagon crossbeam, the tamping wagon is fixed at the external part of thetamping wagon crossbeam, the upper end of the tamping wagon crossbeam is provided with a laser emitter and a CCD measuring apparatus, the internal part of the CCD measuring apparatus is provided withan optical lens, the CCD sensor is arranged above the optical lens, and the upper end of the CCD sensor displays an image. According to the method for non-contact measurement of the displacement of the tamping apparatus of the railway track lifting and lining tamping wagon, the image corresponds to the position of the tamping apparatus in the CCD sensor, laser spots can be reflected to the optical lens of the CCD measuring apparatus through the surface of the tamping apparatus and imaged on the CCD sensor, the laser spots are emitted to the CCD sensor through the optical lens of the CCD measuring apparatus to generate the image, and vertical displacement of the tamping apparatus relative to the tamping wagon crossbeam is accurately calculated through a relation between the displacement amount and the practical displacement.

A double-layered medical tray comprises a division board as well as a tray body A and a tray body B which are connected with each other in a sliding manner; the division board is mounted in the tray body A through an inserting groove formed in the inner wall of the tray body A; the tray body A adopts an open-type square structure; two side walls arranged on the tray body A oppositely protrude from a bottom plate of the tray body A, slide rails are arranged on the inner walls of the two side walls protruding from the bottom plate of the tray body A, and fixing rods used for fixing the tray are arranged on the outer walls; chutes in sliding fit with the slide rails are arranged on the outer wall of the tray body B. According to the invention, the division board can be taken out from the tray body A so as to be cleaned completely, and no dead angle exists; medicine and medical wastes are placed in the tray body A and the tray body B respectively, and the division is clear, so that convenience is provided for operation of medical staff; the tray body B can be taken down from the tray body A, so as to be cleaned and disinfected respectively; the fixing rods can fix the tray on the edge of an operating bed or a sickbed, so that extra manpower for holding the tray can be avoided, and unsafe factors caused when the tray is placed on the sickbed can be avoided.

The invention provides an energy storage unit and a refrigeration / insulation container. The energy storage unit includes an energy storage main body and at least one support seat, wherein the energy storage main body is in a column shape and is provided with an inner cavity, and the inner cavity is used for storing phase-change materials; the support seats are fixed to the energy storage main bodyand is provided with a base plate, and the base plate is parallel to the central axis of the energy storage main body. When the energy storage unit is mounted, the support seats are only needed to face towards a to-be-mounted area, and the base plate is attached to a mounting surface. When the base plate is placed on the mounting surface in an attaching mode, the energy storage main body can conveniently maintain a stable placing state in a mounting area, it is no needed that the multiple energy storage units are bound with each other by using fixing tape, compared with an existing energy storage tube, the energy storage unit is more convenient to mount and fix, materials of mounting and fixing are saved, and the production efficiency is effectively improved.

The invention provides a nozzle cleaning device of a two-dimensional code coding device. The nozzle cleaning device of the two-dimensional code coding device comprises a pedestal, a bracket and a cleaning pipe; a plurality of pulleys are mounted at the bottom of the pedestal; a water tank is mounted at the top of the pedestal; a power supply is mounted on a side wall of the water tank; a first water pump is mounted on one side of the water tank; a second water pump is mounted at the bottom of the first water pump; the top of the pedestal is welded with a bracket positioned on the same side ofthe first water pump and the second water pump; one end of a connecting pipe is connected with a cleaning nozzle; a hard inner pipe is mounted in the cleaning nozzle; the bottom end of the hard innerpipe is connected with a water feeding inner pipe which runs through a long pipe and the connecting pipe; the top end of the hard inner pipe is connected with an inner connecting nozzle; and one row of uniformly distributed concave nozzles are arranged on the inner wall of each of the two sides of the inner connecting nozzles. Through a series of structures, the device has the function of cleaningthe inner wall and the outer wall of the nozzle simultaneously, and has the higher efficiency and the more excellent effect.

The invention discloses an integrated on-table easel capable of carrying drawing tools. The integrated on-table easel comprises a box body, two supporting strips and a fixing assembly, wherein the boxbody can be opened; the supporting strips are arranged in the box body in the front-and-back direction, and the two supporting strips are symmetrical to each other; the inner side of each supportingstrip is provided with a plurality of angle adjusting support grooves distributed in the length direction of the supporting strip, and openings of the angle adjusting support grooves face to the upperside and the inner side; the angles between the rear walls inside the multiple angle adjusting support grooves and the included angle on the horizontal direction are different, and the angle adjusting support grooves at the same angles of the two supporting strips are in one-to-one correspondence; the left end and the right end of the lower side of a canvas are inserted in the two relative angleadjusting support grooves of the two supporting strips, and the canvas is fixed at the inclination angle of the angle adjusting support grooves; and the fixing assembly is arranged on the box body, and the box body is fixed on the table top through the fixing assembly. The integrated on-table easel has the advantages of being stable in supporting, firm in fixation, light and portable.

The invention discloses a robot grasping and placing tool fixture for toy doll skeletons. The robot grasping and placing tool fixture comprises an installation plate which is installed on a robot mechanical hand and moves along with the mechanical hand. A pneumatic claw driving cylinder and a telescopic air cylinder are installed on the installation plate. The pneumatic claw driving cylinder drives claw hooks to grasp and place the toy doll skeletons, and when the claw hooks place the toy doll skeletons down, the telescopic air cylinder drives a pressing block to press the toy doll skeletons for positioning. The grasping and placing tool fixture can complete the needed automatic grasping and placing work just through a simple structure; and besides, the working process is fast, and working efficiency is greatly improved. When releasing the toy doll skeletons, the claw hooks can complete the placing work more stably and more accurately under the cooperation of the pressing block; and besides, no extra working time is needed, and the placing accuracy can be easily improved.

The invention provides a skeleton of a remote control flying toy. The skeleton comprises a horizontal skeleton part, a vertical skeleton part, an upper main shaft fixing frame, a lower main shaft fixing frame and a double-steering-engine fixing frame, wherein the vertical skeleton part is fixed on the horizontal skeleton part, the vertical skeleton part is composed of a left vertical skeleton part and a right vertical skeleton part, the upper main shaft fixing frame and the lower main shaft fixing frame are fixed between the left vertical skeleton part and the right vertical skeleton part, and the double-steering-engine fixing frame is fixed on the rear parts of the left vertical skeleton part and the right vertical skeleton part. The main structure of an aeromodelling airplane is concise, perfect, reasonable and applicable, and all the components arranged on the aeromodelling airplane can be effectively fixed.

The invention discloses a compact comprehensive power distribution cabinet. The power distribution cabinet comprises a cabinet body, and is characterized in that the power distribution cabinet furthercomprises a main switch cabinet arranged on the upper portion of the cabinet body, and a power cabinet and a capacitor cabinet which are arranged on the lower portion of the cabinet body side by side; the main switch cabinet is connected with an external circuit through a wire inlet horizontal busbar, the main switch cabinet is connected with the power cabinet through a neutral bus, and the mainswitch cabinet is connected with the capacitor cabinet through a neutral bus. The switch cabinet, the power cabinet and the capacitor cabinet are integrated so that the power distribution cabinet canguarantee high convenience and high safety while providing power, and the optimized design is carried out so that the power distribution cabinet can be compact in overall structure and reasonable in layout.

The invention discloses turnover equipment for automobile carpet production, which comprises a processing box, a conveying hole is formed in the processing box, two groups of conveying belt bodies are fixedly connected to the bottom end of the conveying hole, two groups of fixing seats are fixedly connected to the interior of the conveying hole, the two groups of fixing seats are symmetrically arranged, and the conveying belt bodies are fixedly connected to the bottom end of the processing box. A first guide seat is moved downwards through a lifting assembly, a carpet is sucked up through a vacuum suction cup, the surface of the carpet is carded through a cleaning roller to enable the rough surface to flow, metal strips, metal wires and other residual metal objects in the carpet during processing are attracted through electrification of an electromagnet, and after one face is carded, the position of the carpet is adjusted through an overturning air cylinder; then the second guide seat is moved to the upper end of the first guide seat through the pushing assembly, and the carpet is sucked up through the pad suction mechanism to comb the other side of the carpet, so that the equipment is high in automation degree, safe, stable, reliable and extremely convenient to use, and the carpet production and processing efficiency is greatly improved.

The invention discloses a qualitative inspection device and method for regenerated cellulose and relates to the field of regenerated fiber inspection, the device comprises a placement platform and a side clamping plate, an adjusting device is arranged at the upper end of the exterior of the placement platform, a placement cavity is formed in the exterior of the top of the adjusting device, a fixing device is arranged in the placement cavity, a glass carrying base plate is arranged in the middle of the interior of the placement cavity, and an inner cavity is formed in the glass carrying base plate. According to the invention, the fixing device, the electric push rod, the fixing plate, the limiting groove and the horizontal plate are arranged; limiting and fixing can be conducted through theinteraction of the electric push rod and the fixing plate according to the specific size of the glass carrying base plate, the position of the microscope body is prevented from deviating when the microscope body is used for observation, the placement position of the glass carrying base plate is more stable, subsequent observation of a user is facilitated, meanwhile, the limiting groove and the horizontal plate are movably connected, the user can rotate the horizontal plate according to observation needs, and the observation convenience degree of regenerated fibers is increased.

The invention discloses an automobile engine balance weight which is easy to install, which comprises a connection platform, a locking block and a balance weight body. Engraved with an engaging groove, the engaging groove forms a disassembly structure with the engaging block and the fixing block, and the engaging groove matches the size between the engaging block and the fixing block, and the engaging block is engaged and slidably connected A fixing block is fixed on the inner side of the inner wall of the engaging groove and on the right side of the engaging block by heat welding. In the easy-to-install automobile engine balance block, the connection blocks are mutually symmetrical with respect to the longitudinal central axis of the connection platform, which facilitates the connection between the support plate and the connection block. The engaging groove and the engaging block are slidably engaged and connected, so that the engaging groove, the engaging block and the fixing block are connected and fixed, and the fixing block can increase the stress of the engaging block.

A silicon wafer eccentric tester comprises a dial indicator, a bearing piece, a supporting seat, a testing head and a tester body. The bearing piece is arranged on the supporting seat, the tester body is arranged on one side of the bearing piece, the dial indicator is fixedly arranged on the tester body, the testing head is arranged at the bottom end of the dial indicator and perpendicularly points to the center of the bearing piece, the bearing piece is in a three-foot type and comprises a fixing plate, a support A, a support B and a support C, the fixing plate is in a hollowed type, and the support A, the support B and the support C are all arranged at the hollowed position. The silicon wafer eccentric tester is adopted to measure the eccentricity of a silicon wafer, the eccentricity of the silicon wafer can be obtained easily without adopting expensive equipment imported from abroad, the equipment is simple, the price is low, the measurement method is convenient, maintenance is easy, and the device is suitable for being used for a large number of common enterprises for producing optical devices.

The invention provides a steel structure installation engineering detection device which comprises a supporting column and a detection device body, the top end of the supporting column is fixedly connected with a bedplate, the top end of the bedplate is fixedly connected with the detection device body, the bottom end of the supporting column is rotatably connected with supporting legs, one side of the top of the bedplate is rotatably connected with a hand wheel, a clamping groove is formed in the middle of the top end of the bedplate in a penetrating mode, side grooves are fixedly formed in the two sides of the inner wall of the clamping groove, a triangular groove is fixedly formed in the front face of the inner wall of the clamping groove, a guide rail is fixedly arranged on the back face of the clamping groove, a clamping plate is slidably connected with the surface of the guide rail, the end of the hand wheel is rotationally connected with a lead screw through a bearing, the middle of the lead screw penetrates through the bottom of the clamping plate, the lead screw is rotationally connected with the inner wall of the bottom of the guide rail, the detection device of the steel structure installation engineering detection device can be separated from the supporting column, and the detection device can be conveniently transported and protected.

The invention relates to a method for measuring displacement of a tamping device of a railway track lifting and lining tamping vehicle contactlessly. The method comprises the tamping device, a CCD sensor and a signal output interface. A tamping vehicle crossbeam is set at an upper end of the tamping device. The tamping vehicle is fixed at an exterior of the tamping vehicle crossbeam. A laser transmitter and a CCD measurement device are mounted at the upper end of the tamping vehicle crossbeam. An optical lens is set in the CCD measurement device. The CCD sensor is mounted at an upper side of the optical lens. An image is displayed at the upper end of the CCD sensor. According to the method for measuring the displacement of the tamping device of the railway track lifting and lining tampingvehicle contactlessly, the image corresponds to a position of the tamping device on the CCD sensor, a laser spot can be reflected to the optical lens of the CCD measurement device through utilizationof a surface of the tamping device and is imaged on the CCD sensor, the laser spot is incident on the CCD sensor to generate the image through the optical lens of the CCD measurement device, and vertical displacement can be computed through utilization of a relational expression between displacement and practical displacement.

The invention discloses an anti-sliding cutting board. The anti-sliding cutting board comprises a cutting board body, flange strips and anti-sliding rings, wherein the cutting board body is of a rectangular structure, the flange strips are respectively arranged on the upper and lower surfaces of the cutting board body along the length direction, and the anti-sliding rings are respectively arrangedin the middles of the upper and lower surfaces of the cutting board body. According to the anti-sliding cutting board, the flange strips are placed along the edge of an operation table surface, the placement position is stable, and meanwhile, the cutting board is unlikely to slide by virtue of the anti-sliding rings, so that the safety performance is improved, and the injury is reduced; and the anti-sliding cutting board is unlikely to slide in the use process and is suitable for most use occasions of the cutting board.

The invention provides an auxiliary support of a geodimeter for measuring distance, and belongs to the field of distance measurement. The auxiliary support comprises a fixed frame, a connecting rod, a rubber block and a sliding plate, wherein the connecting rod is welded and fixed to the bottom end of the fixed frame, the sliding plate is slidably connected to the connecting rod in a limiting mode, a movable placing assembly is installed at the bottom end of the fixed frame., and an outdoor protection assembly and an assembly and disassembly assembly are installed at the top end of the fixing frame. By arranging protection plates, the safety of a geodimeter body working outdoors is realized, and the protection plates on the two sides of a bidirectional threaded rod can be driven to move towards the middle at the same time by using connecting wires and fixed coils to form closing, so that automatic and stable protection work can be performed on the geodimeter body, external rain and snow or ultraviolet rays can be prevented from causing adverse effects or damage to geodimeter body, and the problem that in the prior art, the geodimeter body cannot be stably protected when working outdoors.

The invention discloses a multi-station material preparing rotary table. The multi-station material preparing rotary table comprises a material preparing rotary table, multiple material preparing stations are formed on the material preparing rotary table, and a material preparing barrel is arranged on each material preparing station; a colander is placed at the set position in each material preparing barrel, a colander handle and a colander handle inserting base of each colander are connected in an inserted mode, an inserting opening of each colander handle inserting base is vertically upward, each colander handle inserting base is fixedly connected to the corresponding material preparing rotary table, and each colander handle is of a U-shaped structure with an opening downwards and is connected with the corresponding colander handle inserting base through the U-shaped bottom. Preferably, the material preparing rotary table comprises a rotary table body which is rotationally arranged on a rack through a rotating shaft, an annular roller path is formed in the rack, a roller is matched in the annular roller path, and the rotary table body is supported on the rack through the roller. The multi-station material preparing rotary table has the advantages of being short in material preparing time, high in efficiency, low in energy consumption, long in service life, low in use cost and high in reliability, manual participation can be effectively reduced, which is beneficial for controlling vegetable product quality, and the vegetable product quality is high.

The invention discloses silicon wafer loading equipment. The silicon wafer loading equipment comprises a suction disc and a silicon wafer table, wherein the suction disc is located in the y direction;and the silicon wafer table is located below the suction disc and matched with the suction disc. The silicon wafer table is provided with a base, two first block bodies, two second block bodies and two third block bodies and two loading assemblies. The two first block bodies are located above the base; the connection line of the two first block bodies is parallel with the x direction; and the twofirst block bodies are located in the x negative direction. The two second block bodies are located above the first block bodies correspondingly and are in the x negative direction. The two third block bodies are located above the two second block bodies correspondingly and are in the x negative direction. The two loading assemblies are located above the third block bodies correspondingly and aresymmetrical about the y direction. The equipment can move in all directions and is applicable to silicon wafer samples of various sizes and large in application scope; and the silicon wafer samples can be adsorbed firmly.

The invention discloses a silicon wafer loading device, which comprises a suction cup located in the y direction; a silicon wafer table located below the suction cup and cooperating with the suction cup; the silicon wafer table has; a base; One block is located above the base, the line connecting the two first blocks is parallel to the x direction, and the first block is located in the negative x direction; two second blocks are respectively located above the first block, and the second block is located above the first block. One of the two blocks is located in the negative x direction; two third blocks are respectively located above the second block, and the third block is located in the negative x direction; two loading components are respectively located above the third block , the two loading components are symmetrical about the y direction. This equipment can move in all directions, suitable for silicon wafer samples of various sizes, with a wide application range, and the silicon wafer samples are firmly adsorbed.

The invention provides a suspension type lower limb orthopedic surgery traction device, and relates to the technical field of orthopedic traction, wherein the suspension type lower limb orthopedic surgery traction device comprises bases, totally two bases are arranged, sliding grooves are formed in the two bases, through grooves are formed in one sides of the two bases, one side of one base is fixedly connected with a support, and a motor is arranged on one side of the support; a transmission shaft is arranged on one side of the motor and penetrates through the support; and a guide gear is further mounted on the side, penetrating through the support, of the motor, and a driven gear is driven to rotate through meshing transmission between the guide gear and a transmission gear. Through meshing between the driven gear and a guide strip, an affected limb can be subjected to left-right extension adjustment when placed in the base body, so that the design of assisting a patient in limb movement is achieved, and the problems that an existing rope hoisting suspension type traction mode cannot achieve a good traction effect on the affected limb, and long-time suspension traction is easy to cause unsmooth bleeding of the affected limb to cause necrosis of the diseased limb are solved.

The invention discloses a T row tilting prevention device and a T row tilting prevention method. The device comprises a supporting beam and at least two adjusting clamps; the supporting beam is sleeved with the adjusting clamps, at least one adjusting clamp can move on the supporting beam in the axial direction, each adjusting clamp comprises a casing pipe and a clamping plate, the clamping platesare arranged on the outer walls of the casing pipes, and are used for fixing the adjusting clamps to the edge of a T row, and the supporting beam is sleeved with the casing pipes. According to the Trow tilting prevention device and the T row tilting prevention method, at least two movable adjusting clamps are arranged on the supporting beam, according to different conditions and needs, the clamping interval between the adjusting clamps can be adjusted, different number of T row sets can be fixed through the T row tilting prevention device, the T row whole tilting accident can be avoided, theshape and the putting position are kept relatively stable, according to actual condition, the total number of clamped T rows can be controlled, and meanwhile, the device is simple in material, affordable, convenient to use and high in safety.

The invention discloses a car navigator which comprises a navigator body, wherein four rectangular grooves are respectively formed in the two sides of the navigator body; each rectangular groove is internally provided with a support rod; a cavity is arranged on the inner side of each rectangular groove; the outer side of each support rod is connected with the navigator body by a pin; the tail end of each pin is arranged in each cavity of the navigator body; the upper ends of the grooves in the navigator body are respectively provided with a sliding groove; a sliding block is arranged at the position at which each support rod corresponds to each sliding groove; the support rods are arranged in the grooves in the navigator body by the sliding blocks. The car navigator can be horizontally arranged; when the car navigator is in use, the car navigator can be placed horizontally, the support rods are pulled out, the car navigator is placed by the support rods, and the whole attractiveness of the car navigator is not influenced, so that the car navigator can be stably placed and is suitable for the interior of a car.

The invention discloses a stable television cabinet capable of automatically reminding viewing distance. The stable television cabinet capable of automatically reminding viewing distance comprises a television cabinet top surface, wherein an antenna putting box is arranged above the television cabinet top surface; an infrared sensor is arranged in the antenna putting box; a television skidproof putting surface is arranged on the upper surface of the television cabinet top surface; cabinet body supporting columns are arranged below the two ends of the television cabinet top surface; skidproof pads are arranged at the bottoms of the cabinet body supporting columns; an article putting groove is formed below the television cabinet top surface; an article putting drawer is arranged below the article putting groove; article putting cabinets are arranged on the left side and the right side of the article putting groove respectively; and a hinge is arranged on one side of each article putting cabinet. After the antenna putting box is used, a set top box, an antenna and the like, which are used by the television, can be put in order, so disorder is avoided; and after the article putting cabinets are arranged, articles can be put in the article putting cabinets randomly.

The invention relates to the technical field of petroleum sampling, and particularly discloses a petroleum sampling packer with good stability. The petroleum sampling packer comprises a sampling pipe body, a filtering membrane and a first fixing ring are arranged on the sampling pipe body, the first fixing ring is located on one side of the filtering membrane, a first clamping pipe is located on the side, away from the filtering membrane, of the first fixing ring, a limiting assembly is arranged on one side of the first clamping pipe, the first clamping pipe is connected with a clamping assembly through the limiting assembly, a plurality of fixing assemblies are arranged on the first fixing ring, a first hole sealing bag, a second hole sealing bag and a third hole sealing bag are fixed to the outer surface of the filtering membrane in a clamped mode, and the second hole sealing bag is positioned between the first hole sealing bag and the third hole sealing bag. Through cooperative use of the first fixing ring and the fixing assembly, the position can be fixed and adjusted before grouting, the petroleum sampling packer is high in stability during hole sealing, the position is not prone to deviation, and the sampling quality after hole sealing is well guaranteed.