36results about How to "Play a sealing effect" patented technology

The invention relates to the technical field of junction boxes for power supply devices, and discloses a junction box for an electric power supply device capable of avoiding water accumulation of binding posts, the junction box comprises a main frame mechanism, the main frame mechanism comprises a box body, a dehumidification assembly is arranged at the top of the box body, and an adjusting assembly is arranged in the box body. The left side and the right side of the box body are each provided with an anti-disengaging assembly. According to the device, an anti-falling assembly is arranged, specifically, a first rotary knob is rotated clockwise to drive a first threaded rod to rotate, when the first threaded rod rotates, a movable support is driven to move upwards, and at the moment, a first inclined sliding groove moves through the movable support to make the tops of two supporting rods far away from each other; when the tops of the two supporting rods are far away from each other, the two clamping plates are driven to get close to each other, and the two clamping plates clamp and fix a cable while getting close to each other, so that the cable is prevented from being pulled by external force to be separated from the junction box, the stability and reliability of equipment are greatly improved, and a certain guarantee is provided for stable transmission of the equipment.

This invention belongs to the field of distillation apparatus technology and discloses an automatic distillation range measuring instrument and its calibration method, including a housing, a distillation flask, and a tube cover. The left end of the housing has a working area A, and the right end has a working area B. A control box is fixedly installed on the top of the housing. A heating plate is fixedly connected inside the working area A. The invention simultaneously starts a first motor to drive a second pulley to rotate. This, in turn, drives the first pulley to rotate via a drive belt, causing the tube cover to rotate with the mounting end. The serpentine condenser then rotates, and small volumes of liquid adhering to the inner wall of the serpentine condenser, under centrifugal force, slowly slide along the inner wall and merge with other small volumes of liquid to form a larger volume of liquid. Simultaneously, propelled by gas, this liquid drips down the discharge pipe into the collection bottle, effectively cleaning the liquid inside the serpentine condenser and avoiding waste.

This utility model discloses a dryer rotor connecting rivet, including a rivet body and a riveting mechanism. The top of the rivet body is provided with an mounting rod, and the top of the mounting rod is fitted with a first fixing sleeve. The riveting mechanism is installed on the top of the outer wall of the rivet body and includes a riveting sleeve, riveting drums, and a retaining plate. The riveting sleeve is located on the top of the outer wall of the rivet body. This dryer rotor connecting rivet, through its riveting mechanism, facilitates the riveting of the dryer rotor to the drum using an riveting machine. Axial force is used to deform the riveting sleeve, and multiple riveting drums on the outside of the riveting sleeve deform and fit together, effectively preventing leakage of liquids, gases, and other media, achieving a sealing effect. This prevents moisture from the dryer drum from entering the rotor and affecting the normal operation of the dryer. Furthermore, this riveting method has good tensile strength, thereby improving the tightness of the riveted joint.

The utility model relates to a convenient-to-use edge tool box which comprises a box body and a box cover, a needle pulling hole and a waste material hole are formed in the box cover, a sealing cover is arranged on the needle pulling hole, a sealing plate is connected to the box cover in a sliding mode and can seal the waste material hole, a fixing plate is arranged at one end of the waste material hole, and the fixing plate comprises a horizontal section and a vertical section. The horizontal section of the fixing plate is connected with the side face of the upper portion of the waste material hole, the lower end of the vertical section of the fixing plate can be connected with the end of the sealing plate in a clamped mode, the upper end of the vertical section of the fixing plate exceeds the horizontal section, an arrow-shaped locking plug is arranged at the front end of the sealing plate, and a locking hole corresponding to the locking plug is formed in the inner side of the box cover. And the length of the locking plug is not greater than that of the horizontal section of the fixed plate. The sealing plate can be clamped and fixed through the fixing plate, the sealing effect is achieved, the upper end of the vertical section of the fixing plate can be pulled to release the lower end of the vertical section of the fixing plate, and opening is convenient; and meanwhile, the sealing plate can be locked through the locking plug, the locking effect is achieved, and leakage is avoided.

The utility model provides a stamping die and quick dismantlement structure, including: guide pillar subassembly and guide sleeve, the guide pillar subassembly is installed at the four corners of lower die holder top, guide pillar subassembly includes the butt joint screw that is used for quick dismantlement, quick dismantlement screw and the guide pillar body below the quick dismantlement screw form an integral structure, the upper die holder is provided above the lower die holder, and the upper die holder is provided with the guide sleeve. The upper die base is provided with a plurality of butt joint screw rods, four mounting grooves are formed in four corners of the bottom of the upper die base, each mounting groove is internally provided with a guide sleeve, and the bottom of each guide sleeve is provided with an embedding ring, compared with the prior art, the guide pillar assembly and the guide sleeves are arranged, and the guide pillar body is rotated to drive the butt joint screw rods to be separated from the interiors of the butt joint grooves; the guide column assembly can be quickly locked and taken down, then a flat-head screwdriver is clamped into the quick-release clamping grooves in the front position and the rear position of the inner side of the embedding ring, the embedding ring is rotated in the reverse direction, accordingly, the guide sleeve is driven to be disengaged from the interior of the mounting groove, and the final effect is that the disassembly efficiency of the guide column assembly and the guide sleeve can be remarkably improved.

A threaded sealing structure for a vertical pump includes a pump head housing, an impeller connected to the inner side of the pump head housing, a sealing ring with its inner ring connected to the outer wall surface below the impeller, a pressure plate abutting the lower end face of the sealing ring and snapping onto the pump head housing, and a front cover abutting the lower end face of the pressure plate and connected to the pump head housing. The pressure plate and the front cover have openings in their middle sections, making the lower part of the pump head housing an inlet. The impeller is threaded to the pump head housing, with the thread direction opposite to that of the impeller. The pump head housing has an opening at its upper end, where a shaft core with its lower end connected to the impeller is located. A motor is connected to the upper end of this shaft core. A labyrinth sealing ring is located on the outer wall surface of the upper end of the shaft core. The advantages of this invention are: the thread can block liquid leakage in the gap when the impeller rotates; at the motor connection, liquid leakage is prevented by the cooperation of the labyrinth sealing ring and the water-throwing ring.

The utility model discloses a craft beer size mixing tank which comprises a base assembly, the top of the base assembly is provided with a size mixing tank, the outer wall of the size mixing tank is fixedly connected with a mixing assembly, and the bottom of the base assembly is fixedly connected with an air cooler. The mixing assembly comprises a connecting frame mechanism, the outer wall of the connecting frame mechanism is fixedly connected with a telescopic hydraulic cylinder, one end of the telescopic hydraulic cylinder is fixedly connected with a sealing cover, and one end of the telescopic hydraulic cylinder is fixedly connected with a stirring mechanism; the connecting frame mechanism comprises a connecting cylinder fixedly arranged on the size mixing tank, and the outer wall of the connecting cylinder is fixedly connected with a direction adjusting motor; according to the craft beer pulp mixing tank, through the arrangement of the mixing assembly, in the using process, a direction adjusting motor is started and controlled to be used, so that a sealing cover or a stirring mechanism is selected to be used according to needs, a telescopic hydraulic cylinder is started and controlled to be used for stuffing the sealing cover or the stirring mechanism into a stirring hole for filling, and then the sealing effect on the tank body is achieved.

The invention relates to the field of aluminum alloy doors and windows, and particularly discloses a windproof aluminum alloy sliding window which comprises a window sash and a window frame, pulleys are arranged on the two sides of the window sash, and a front-back through groove is formed in the bottom of the window sash; the window frame is provided with a containing groove, a guide groove is formed in the inner side wall of the containing groove, and the pulley is supported in the guide groove; a fixed transverse plate, a swing plate, an elastic film and a movable plate are arranged in the containing groove, and the elastic film is connected with the swing plate and the movable plate; and a ventilation gap is formed between the fixed transverse plate and the window sash. By the adoption of the window, a certain ventilation function can be kept after the window sash is closed, and outdoor strong wind can be prevented from being blown into a room.

This invention belongs to the field of iron and steel metallurgy technology, specifically relating to a staged combustion system and process for a gas boiler. The system includes a burner connected to the gas boiler, a combustion-supporting gas structure, and a combustion-supporting air structure. The burner includes a combustion stabilizing plate, located at the front end of the burner and connected to the gas boiler. The combustion stabilizing plate has three layers of staged ignition units evenly arranged around its center: an inner layer, a middle layer, and an outer layer. The middle layer ignition unit includes multiple externally mixed combustion nozzles, where combustion-supporting air and gas mix outside the combustion stabilizing plate. The outer layer ignition unit includes multiple internally mixed combustion nozzles, where combustion-supporting air and gas mix inside the combustion stabilizing plate. The combustion-supporting gas structure provides fuel to the burner, and the combustion-supporting air structure provides combustion-supporting air to the burner. This invention effectively achieves complete combustion of the gas, reduces nitrogen oxide production, and provides a stable flame, demonstrating good performance in terms of safety, environmental protection, and efficiency.

The invention discloses a preparation method of marinated yak and highland barley products, and relates to the field of processing of the marinated yak and highland barley products, the preparation method of the marinated yak and highland barley products comprises the following steps: S1, a cutting step: firstly, performing raw material warehousing and supporting operation; the method comprises the following steps: preparing raw materials in a factory, checking related'inspection and quarantine proof 'and non-epidemic area proof of the raw materials purchased to the factory by a quality inspector, warehousing the raw materials meeting food safety requirements, taking corresponding raw materials according to a material receiving list according to a production plan, and recording batches of the raw materials. According to the invention, sufficient meat can be effectively supplemented to provide energy, the integrated operation of primary cooking, marinating and mixing can be effectively realized in the preparation process, and the packaging and strict disinfection and sealing can be effectively and quickly realized in the inner packaging and outer packaging processes, so that the sealing effect is better achieved, and the meat can be easily stored for a long time.

This utility model discloses a vacuuming device for a floor scrubber, including a floor scrubber body. A suction tube is connected to the outer wall of the floor scrubber body. A connecting tube is connected to the end of the suction tube away from the floor scrubber body. A suction squeegee is connected to the end of the connecting tube. A processing component is disposed outside the suction squeegee. When cleaning the floor is required, the suction tube is connected to the suction squeegee, and the suction tube is inserted into the connecting tube. The inclined surface of the hook end contacts and presses against the inclined surface of the retaining ring, causing the hook to deflect around the hinge point with the fixed block as the rotation center. The side of the hook away from the inclined surface contacts the side of the retaining ring away from the inclined surface. When the hook and retaining ring are no longer pressed, the hook and retaining ring are engaged under the action of the spring elasticity. The sealing gasket fixedly installed at the end of the suction tube contacts and presses against the inner bottom surface of the connecting tube. Under the restriction of the engagement of the hook and retaining ring, the sealing gasket is compressed, sealing the connection between the suction tube and the connecting tube.

The respiratory nursing dosing device comprises a dosing pipe, a blocking disc is installed at one end of the dosing pipe, a rectangular hole is formed in one side of the blocking disc, a dosing pipe is installed at the top end of the dosing pipe, a dosing opening is formed in the dosing pipe, and a sealing mechanism is arranged in the dosing pipe. The rotating shaft is rotated to drive the rotating gear to rotate during administration, the rotating gear is meshed and connected with the tooth block, so that the rotating gear can horizontally move back and forth, the administration push plate, the connecting block and the sleeve block synchronously move, and the connecting block can be used for pushing medicine in the administration tube; medicine can evenly enter the mouth of a patient from the multiple sets of medicine holes through the connecting pipe, the catheter and the medicine injection head, the whole operation is simple, the medicine administration efficiency is high, medicine administration of different volumes of medicine can be met, and good breathing nursing is provided for the patient.

The utility model discloses a sealing structure based on hydrogen sulfide leakage prevention and production equipment. The sealing structure based on hydrogen sulfide leakage prevention comprises an equipment frame body, an opening and closing door, a sealing piece and a movable handle, one side of the opening and closing door is rotatably connected with one side of the equipment frame body; the sealing piece is arranged on the equipment frame body; an inclined groove is formed in the other side of the equipment frame body; a clamping block is arranged on the movable handle; the movable handle is arranged on the opening and closing door and can drive the clamping block to move; when the opening and closing door seals the equipment frame body, the opening and closing door is connected to the sealing piece in a pressed mode, and the movable handle can drive the clamping block to enter the inclined groove so as to extrude the clamping block and the opening and closing door through the inclined groove to move in the direction close to the sealing piece. According to the scheme, the sealing piece is additionally arranged between the equipment frame body and the opening and closing door, so that the sealing effect can be achieved by pressing the sealing piece when the opening and closing door is closed. And meanwhile, the clamping block can be locked into the inclined groove by moving the handle, so that the opening and closing door further presses the equipment frame, and the sealing effect of the equipment is improved.

The utility model relates to the technical field of diamond net integrated windows, in particular to a diamond net integrated window structure which comprises an aluminum alloy integrated window frame and a T-shaped partition, the T-shaped partition is installed in the aluminum alloy integrated window frame, and the aluminum alloy integrated window frame comprises a first aluminum profile, a second aluminum profile and a first connecting block. The number of the first aluminum profiles and the number of the second aluminum profiles are four, the first aluminum profiles and the second aluminum profiles are connected end to end to form an aluminum alloy integrated window frame, and the first aluminum profiles and the second aluminum profiles are fixedly connected through first connecting blocks. The diamond net integrated window structure is convenient to use; the first opening sash installed on the indoor side of the window frame can be opened inwards and can be opened for ventilation through handle operation. The sealing strip installed on the inner side of each opening sash can achieve the sealing effect, each indoor side and each outdoor side are connected through the connecting block, heat isolation and heat transfer are conducted, and then the using effect of the whole window is improved.

The utility model relates to torsion disk technology field especially is a kind of torsion disk device lubricating sealing structure, including torsion disk body, the left end of torsion disk body is provided with first outer protective cover, the right end of torsion disk body is provided with second outer protective cover;In the utility model, by designing a kind of torsion disk device lubricating sealing structure, sealing operation is carried out using the third O-shaped sealing ring and the fourth O-shaped sealing ring respectively arranged in oil return pipe and intermediate protective cover and first outer protective cover, improve the sealing effect of set screw installation, through set screw and ball are clamped in the inside of clamping groove, improve the anti-loosening effect of oil return pipe, prevent loosening when disassembling and installing spray oil return pipe;Utilize the sealing effect of second O-shaped sealing ring and first O-shaped sealing ring to the one end of oil injection pipe, the sealing effect of the other end of oil injection pipe is played by lock nut and oil injection pipe gasket, oil is conveniently sprayed in the inside of torsion disk body by oil injection pipe, improve lubricating effect.

The utility model relates to the technical field of deodorant packaging, in particular to a suspension type deodorant transparent packaging bottle which comprises a transparent packaging bottle body, a bottle neck prismatic table, a bottle opening and a bottle cap, the top of the transparent packaging bottle body is communicated with the bottle neck prismatic table, and the top of the bottle neck prismatic table is communicated with the bottle opening. A bottle opening boss is arranged at the top of the bottle opening, and a filter screen is laid at the top of the bottle opening boss; a pressing ring is arranged at the top end of the boss of the bottle opening and located on the outer edge of the top of the filter screen in a press fit mode, plastic screws are installed on the pressing ring at equal intervals through screw holes, a bottle cap is screwed on the bottle opening, and a hanging ring is connected to the top of the transparent packaging bottle and located at one end of the prismatic table of the bottle neck through a hanging piece. The deodorant transparent packaging bottle is hung on a wall positioning screw, so that the deodorant transparent packaging bottle can be conveniently and orderly stored, sediments and other solid particles in deodorants such as phytoncide and peppermint oil can be conveniently filtered, and the use effect of pouring out the deodorants is improved.

The utility model relates to the field of drainage tubes, and discloses a drainage tube waterproof fixator which comprises an adhesion assembly, the adhesion assembly comprises an adhesion plate, the bottom end of the adhesion plate is fixedly connected with an adhesion sheet, the top end of the adhesion plate is provided with a fixing assembly, the fixing assembly comprises a fixing sleeve, and the fixing sleeve is fixedly connected with the adhesion sheet. The fixing sleeve is in threaded connection with the top end of the sticky plate, the top end of the fixing sleeve is fixedly connected with a sealing block, the inner wall of the fixing sleeve is fixedly connected with an inner sealing block, the outer wall of the fixing sleeve is fixedly connected with an anti-loosening ring, the top end of the sticky plate is fixedly connected with a rubber ring, and the bottom end of the fixing sleeve is provided with a sealing groove. According to the utility model, the skin around the wound of a patient is adhered by using the adhesion component, so that the wound can be prevented from being in direct contact with a water source, and meanwhile, the drainage tube is connected by using the fixing component and the sealing block, so that a sealing effect can be achieved, the patient can perform simple bathing activities, and the influence on the life of the patient is small.

This utility model belongs to the field of tent technology, and particularly relates to an inflatable tent, including a frame and a tent fabric. The frame is composed of multiple inflatable columns, each forming a connected inflatable chamber. It stands upright after inflation and collapses after deflation. It also has a preset curvature for forming the top wall frame, meaning the side near the top wall is not horizontal, allowing the center of the top wall to arch and preventing water accumulation. Each inflatable column is equipped with ground pegs and a first guy line, improving installation stability. The tent fabric connects adjacent inflatable columns to form the top wall, bottom wall, and multiple side walls of the tent, each with an entrance and multiple windows. The connected inflatable chambers ensure that the air pressure of each inflatable column is the same, preventing tilting and collapse due to pressure differences or wind, resulting in good stability.

The utility model provides an aluminum alloy window with high waterproof performance, and relates to the technical field of aluminum alloy windows. The aluminum alloy window with the high waterproof performance comprises a window frame and a window sash, the window sash is rotationally connected into the window frame through hinges, a first sealing strip is installed on the side, close to the window sash, of the interior of the window frame, a protrusion is arranged in the window sash, two fixing blocks are fixedly installed on the outer side of the protrusion, and an extrusion assembly is arranged on the outer side of the window frame; the extrusion assembly is used for being matched with the fixing block and the window sash to extrude the first sealing strip. According to the aluminum alloy window with the high waterproof performance, by arranging the extrusion assembly on the window frame and cooperating with the fixing block installed on the window sash, when the window sash is closed, the first sealing strip installed on the window frame can be extruded through the window sash, so that the sealing effect of the first sealing strip is further exerted, and then the overall waterproof performance of the aluminum alloy window is improved; and practical application is facilitated.

The application relates to the technical field of new energy automobile battery replacement, and specifically discloses a lock body mechanism for new energy automobile battery replacement, which comprises a fixed shell, a nut connected to the inner side of the lower end of the fixed shell through a bearing, and a clamping spring arranged in the inner side of the lower end of the fixed shell. A drop-proof ring is in contact with and supports the upper surface of the clamping spring. A supporting spring is arranged on the outer side of the nut between the upper surface of the drop-proof ring and the lower surface of the upper end of the nut. A pneumatic sealing mechanism is installed on the nut. The upper end of the fixed shell is fixedly connected with a guide pipe coaxial with the fixed shell. The inner side of the guide pipe is provided with guide grooves at equal angles. A fixing bolt penetrates through the guide pipe. The application can prevent dust and sand from entering the thread structure between the fixing bolt and the nut, thereby ensuring that the fixing bolt and the nut can stably and effectively work.

This utility model provides a phase-introducing electrode connection structure and an electrode boiler, relating to the field of electrode boiler technology. It includes a phase-introducing electrode, a flange module, and a pipe body. The flange module includes an upper flange, a lower flange, a flange bolt assembly, threaded fasteners, and a fastening ring. The upper and lower flanges are fitted onto the phase-introducing electrode. An annular mating groove is provided on the side of the lower flange opposite to the upper flange. The mating groove is used for inserting the pipe body and installing the fastening ring. The threaded fasteners are used to fix the fastening ring. When the fastening ring is installed, it compresses the pipe body to make it fit against the inner wall of the mating groove. By setting the mating groove, the lower flange and the pipe body are connected using threaded fasteners, eliminating the need for welding and simplifying the welding process. This achieves high-efficiency connection and avoids quality problems caused by welding inexperience or errors. After the lower flange is connected to the pipe body, the upper flange cooperates with the lower flange to fix the phase-introducing electrode.

The utility model discloses a general lock of outdoor communication equipment box body relates to communication box technical field, and this general lock includes the coded lock, the inside of coded lock is provided with the coded dial, the outside of coded lock is connected with the connecting ring, the one side of coded lock is pasted with the shell subassembly, the shell subassembly includes the first casing, the first casing is pasted in the one side of coded lock, the both sides of first casing one side are installed with two hinges, and the both sides of first casing top are installed with two connecting pipes, and the right side of first casing is installed with the clamping block, and the one side of clamping block is installed with silica gel groove. The utility model discloses the cooperation of shell subassembly and casing subassembly is used to the wrapping of coded lock, and the turning of hinge drives the first casing and second casing to be pasted, and the embedding of silica gel board in the inside of clamping plate and silica gel groove in the inside of clamping block fixes the first casing and second casing, thereby the wrapping protection of coded lock is carried out.

The utility model belongs to lathe base casting processing technical field, concretely is a kind of casting mould for lathe base machining, including symmetrically arranged lower mould and upper mould, the outside of lower mould and the outside of upper mould are all fixedly connected with frame, the inside of lower mould and the inside of upper mould are all fixedly connected with sand box, and the inside of lower mould and the inside of upper mould are all set with cooling tank in spiral shape, and cooling tank is located sand box outside, and one end of frame is fixedly connected with liquid inlet pipe on top surface, the application is evenly flowed into mould inside by setting uniform flow subassembly from different direction synchronously, reduce the problem that mould is unevenly heated, to ensure the service life of mould and casting quality, set sealing assembly, can guarantee the normal transportation of cooling liquid, can also automatically seal processing to cooling pipe groove in idle state, reduce the problem of external dust penetration pollution, further prolong the service life of mould.

The utility model relates to pipe fitting technical field especially relates to a ring card double -sealed type with backwater double bend pipe fitting, including U bend, the U bend has the first short bend, the first short bend has the first connecting piece, the first connecting piece has the second connecting piece through the connecting piece fixed, the second connecting piece has the second short bend, the upper end of second short bend and the both ends of U bend are all fixed with ring card joint, the utility model discloses the setting, only need to insert hot water circulating pipe or cold water pipe into ring card joint in the installation time, and installation is convenient and high installation efficiency, in addition, also greatly improved the sealing performance of junction, through the setting of U bend, make hot water form the circulation state, can provide hot water in time, need not wait for cold water to discharge, save energy, reduce the waste of water resources.

This utility model discloses a hydraulic pressure testing device for flanged bends, including a pressure testing device and a pressure gauge. The inlet of the pressure testing device is connected sequentially to the pressure relief port of the pressure testing device via a high-pressure inlet hose, an inlet pipe connector, a lower flange sealing assembly, a bend assembly, an upper flange sealing assembly, an outlet pipe connector, and a high-pressure relief hose to form a circuit. The upper and lower flange sealing plates only need to have a sealing ring embedded in the annular groove on the end face to fit against the flange face of the bend. The diameter of the sealing ring is larger than the inner diameter of the bend body, and it is not limited by the bend angle, making it suitable for bends from 0 to 270°. The upper and lower flange sealing plates are locked with bolts, eliminating the need for a press and support frame for fixation. The bolts are locked on the outside of the flange sealing plates, eliminating space limitations and the need to consider force balance, making operation simple.

The utility model discloses an anti-oxidation stainless steel pipe which comprises a stainless steel pipe body, a waterproof layer is arranged on the outer surface of the stainless steel pipe body, a first wear-resisting layer is arranged on the outer surface of the waterproof layer, an anti-oxidation layer is arranged on the surface of the first wear-resisting layer, and a plurality of reinforcing ribs are arranged on the inner surface of the stainless steel pipe body. A plurality of reinforcing ribs are arranged in the stainless steel pipe body, a sound insulation layer is arranged on the outer surfaces of the reinforcing ribs, a sound absorption layer is arranged on the outer surface of the sound insulation layer, and a high-temperature-resistant layer is arranged in the stainless steel pipe body. An anti-oxidation coating for the anti-oxidation layer is formed by finely processing an ultramicro inorganic metal oxide high-temperature solution and has certain heat insulation, anti-oxidation and anti-corrosion protection effects, holes formed in the surface of the sound absorption layer can collide with noise, sound energy is converted into heat energy, the noise reduction effect can be achieved, the sound insulation layer is made of sound insulation cotton, and the sound insulation layer is made of sound insulation cotton. And a good heat insulation effect is achieved.

The application discloses a cutter head for vertical tunneling and relates to the technical field of rock tunneling equipment, and comprises a cutter head body, cutters, a slag discharging structure, wherein the cutters comprise a plurality of single-edge rotary cutters and a plurality of double-edge rotary cutters which are installed on the cutter head body; the slag discharging structure comprises a slag suction port and a slag guide groove which are respectively arranged on the disc surface of the cutter head body, the slag guide groove corresponds to the slag suction port one by one, the slag guide groove is used for guiding the slag pieces generated in the tunneling process to the corresponding slag suction port, and the slag suction port is a round hole; the slag suction port is communicated with a slag discharging pipeline through a cutter head cavity channel, and the slag discharging pipeline is communicated with a suction port of an air negative pressure device. The cutter head for vertical tunneling can meet the efficient operation requirement of vertical tunneling operation.

The utility model discloses a multi-seal high-speed solenoid valve, which relates to the technical field of solenoid valves and comprises a shell, an outer shell and a valve body, the valve body is fixedly mounted at the bottom of the shell, actuators are fixedly connected to the inside and the top of the shell, partition plates are fixedly mounted on two sides of the shell, the outer shell is fixedly connected to one side of the partition plate on one side of the shell, and the outer shell is fixedly connected to the other side of the shell. A fixing plate is fixedly connected into the shell, a suction part is slidably mounted in the shell, a baffle is movably mounted in the shell on one side of the fixing plate through a first spring, a sliding plate is movably mounted in the shell on the other side of the fixing plate through a second spring, and a pressure sensor is fixedly mounted in the shell on the top of the sliding plate. Through the combination of various structures, when the valve rod at the bottom of the execution body leaks, the device can detect and give an alarm in time, a medium is intercepted in the shell, meanwhile, multiple sealing of the high-speed electromagnetic valve is achieved by installing the sealing gasket, and waste caused by flowing out of the medium is prevented.