42results about How to "Easy to scratch" patented technology

The utility model discloses a carbon fiber pipe marine organism removing support, which relates to the technical field of carbon fiber composite pipeline microorganism cleaning equipment, and adopts the technical scheme that the carbon fiber pipe marine organism removing support comprises a support body sleeved on the outer wall of a pipeline in a sliding manner, the support body is annular, and the inner diameter of the support body is larger than the outer diameter of the pipeline; a plurality of universal ball seats are fixedly arranged on the inner wall of the frame body, universal balls are arranged in the universal ball seats, annular cavities are formed in the sides, facing the pipeline, of the universal ball seats, and the universal balls are in rolling fit in the annular cavities. The carbon fiber pipe marine organism removing support has the advantages that the carbon fiber pipe marine organism removing support comprises the support body connected to the outer wall of a pipeline in a sliding and sleeving mode, the outer wall of the support body is connected with the air bag through the first connecting rope, the air bag fluctuates with the help of buoyancy of seawater, the support body can be driven to float along with the air bag, and therefore the outer wall of the pipeline can be better scraped; and therefore, energy is saved, and the device is green and environment-friendly.

The invention belongs to the technical field of mine ventilation, and discloses a coal mine underground ventilation adjusting device which comprises a water storage box. Through cooperation of the interception assembly, the exhaust assembly and other structures, the exhaust assembly drives air in a mine and water sprayed by the water supply assembly to flow towards the side face of the filter plate and drives the spiral disc to rotate, and pulverized coal contained in the air is retained on the side face of the filter plate; a spiral disc rotates to concentrate pulverized coal and water to the middle of a filter plate and fall into a storage box, when the pulverized coal in the storage box is too much, the pulverized coal can descend, the pulverized coal is washed away by the water, a connecting rod can drive a guide ring to descend and rub the inner wall of a collecting pipe, and a mixture of the pulverized coal and the water adhered to the inner wall of the collecting pipe can also fall into the storage box. And therefore, the descending speed of the storage box is increased, the working efficiency of the device is improved, the water supply assembly can lift the two-way telescopic rod to the initial state again, and then the device can conduct pulverized coal cleaning and collecting work in a reciprocating mode.

The utility model belongs to the technical field of fertilizer mixing, and particularly relates to a solid water-soluble fertilizer mixing device which comprises a base and a smashing cylinder, side plates are arranged at the top of the base, a top plate is connected to the tops of the two side plates, the smashing cylinder is arranged at the top of the top plate, a feeding hopper and a smashing motor are arranged at the top of the smashing cylinder, and the feeding hopper is connected with the smashing motor. In the mixing process of the solid water-soluble fertilizer, various raw materials of the solid water-soluble fertilizer can be conveniently smashed, and the granularity of the smashed raw materials is small, so that the mixing uniformity is improved, effective mixing is facilitated, and the mixing quality of the solid water-soluble fertilizer is improved.

The invention provides a low-voltage service wire stripping tool, which belongs to the technical field of power distribution operation tools and comprises an upper plier head and a lower plier head, first grooves are formed in the front ends of the inner sides of the upper plier head and the lower plier head, skin breaking mechanisms are detachably mounted in the two first grooves, second grooves are formed in the middle parts of the inner sides of the upper plier head and the lower plier head, and the second grooves are detachably mounted in the skin breaking mechanisms. Two second grooves are formed in the middle of the upper plier head and the lower plier head, a thread breaking mechanism is detachably installed in the two second grooves, the rear portion of the upper plier head and the rear portion of the lower plier head are rotationally connected through a pin, the tail end of the upper plier head and the tail end of the lower plier head are both sleeved with plier handles, and a spring is fixedly connected between the front ends of the two plier handles. The wire cutter is simple in structure and convenient to use, wire skin cutting and rib cutting separation of an insulating layer of an insulated wire can be realized during wire stripping, tools do not need to be replaced, the operation efficiency is improved, and the wire cutter and the rib cutter are connected through screws, can be independently detached and replaced and are convenient to maintain and update.

The invention discloses a chemical mechanical polishing composition suitable for silicon-based device planarization in the field of semiconductor manufacturing and application of the chemical mechanical polishing composition. The chemical mechanical polishing composition comprises an oxidizing agent, polyethylene glycol grafted silica sol, a complexing agent, bipyridine and derivatives thereof, a corrosion inhibitor, a surfactant and deionized water. The silica sol in the polishing composition is the silica sol with the surface grafted by polyethylene glycol, and the polyethylene glycol grafted silica sol is matched with bipyridine and derivatives thereof, so that the effects of improving agglomeration of silica sol particles, reducing surface defects after polishing and reducing silica sol particle residues on the surface of a material after polishing can be achieved.

The utility model relates to brick paving auxiliary technical field, concretely is a kind of brick paving device for municipal road construction, including board car frame, it is characterized by: the front end below of board car frame is equipped with front auxiliary wheel, and the rear end below of board car frame is equipped with rear pressure wheel, the middle part of board car frame is equipped with middle gusset plate, and middle gusset plate surface is supported and is equipped with middle frame, and middle frame front side is supported and is equipped with support seat, the middle part of board car frame front side is equipped with work window, and work window left side is equipped with brick cutting assembly, and rear pressure wheel front side is equipped with scraper assembly. The utility model is convenient for the auxiliary flattening and construction cutting block auxiliary according to municipal road construction needs, and it is favorable to improve use operation efficiency.

The invention provides a method for repairing cracks of a carborundum floor, and relates to the technical field of floor repairing. The repairing method comprises the following steps that S1, the surface of the carborundum floor is cleaned, and the position of a crack is determined and marked; s2, cutting the crack at the ground mark to form a V-shaped notch; s3, putty and a curing agent are selected to manufacture a filling material, and the putty and the curing agent are blended according to the mass ratio of 100: (1.5-3); s4, the V-shaped notch is filled with the blended filling material, and the V-shaped notch is scraped to be flat; s5, forming a filling layer after the filling material of the V-shaped notch is completely dried, and polishing the surface of the filling layer; and S6, epoxy paint with the same color as the carborundum floor is selected and sprayed to the surface of the filling layer. According to the repairing method, the problems that traditional anti-crack mortar is prone to cracking, serious in color difference, poor in impression and the like after repairing are effectively solved, and a reliable and efficient solution is provided for repairing the carborundum terrace.

The utility model discloses a protective shell and a mobile phone shell. The protective shell comprises a back plate and a frame formed by bending and extending the edge of the back plate towards one side, wherein the frame at least comprises an upper side plate and a lower side plate; an avoiding groove which extends towards the back plate and penetrates from the inner surface of the upper side plate or the lower side plate to the outer surface of the upper side plate or the lower side plate is formed in the end face, away from the back plate, of the upper side plate or the lower side plate. The depth of the receding groove is smaller than the size of the upper side plate or the lower side plate provided with the receding groove in the depth direction of the receding groove. In this way, the convenience of disassembly and assembly of the protective shell can be improved, and the problem that the avoiding groove scratches the operator hand of a user is solved.

The preparation method of the yellowing-resistant nylon particle composite material comprises the following steps: S1, weighing 100 parts by weight of nylon, and adding the nylon into a reaction kettle; s2, adding 2, 2, 2-trifluoroethanol as a solvent into the reaction kettle, and stirring to form a uniform nylon dissolving solution; s3, conveying the nylon dissolving solution into a spray dryer through a peristaltic pump, and performing atomization, drying and powder collection under the protection of nitrogen; s4, placing the powder in a vacuum drying oven, and drying at 25 DEG C for 3 hours to obtain nylon powder; s5, mixing the nylon powder with the following raw materials in parts by weight: 1-2 parts of an ultraviolet light absorber, 1-2 parts of a hindered phenol antioxidant, 2-4 parts of adipic acid, 0.5-1.5 parts of sebacic acid, 0.1-0.5 part of dicumyl peroxide and 8-10 parts of silane coupling agent modified mica powder; and S6, carrying out melt blending on the mixture obtained in the step S5 in a twin-screw extruder to obtain the yellowing-resistant nylon particle composite material.

The utility model provides a clamping and assembling device which is used for assembling a to-be-assembled part and comprises a first clamping plate, a second clamping plate, a third clamping plate, a first connecting rod, a second connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a fifth connecting rod, a sixth connecting rod, a fifth connecting rod, a sixth connecting rod, a fifth connecting rod and a sixth connecting rod, a notch of the first accommodating groove is formed in the surface, close to one side of the second clamping plate, of the first clamping plate; an operating hole penetrating through the second clamping plate is formed in the second clamping plate, and the operating hole is used for operating and connecting a fastener for connecting the first assembly part and the second assembly part; when the first clamping plate and the second clamping plate are oppositely buckled, the part to be assembled is located between the first clamping plate and the second clamping plate, and the fastener is connected with the first assembly part and the second assembly part through the operation holes. According to the clamping assembly device, the alignment efficiency of hole sites in the to-be-assembled part can be improved, and the to-be-assembled part is prevented from being scratched during assembly.

The utility model discloses an urban road traffic intersection commanding device, which relates to the technical field of traffic commanding, and comprises a base, a storage bin, connecting pipes and a rain baffle, the top of one side of the base is provided with the storage bin, the bottom in the cavity of the storage bin is fixedly connected with a plurality of connecting pipes which are mutually sleeved, and the rain baffle is fixedly connected with the connecting pipes. A buckle mechanism is arranged between the side walls of each connecting pipe, a connecting bin is fixedly connected to the top of each connecting pipe, a connecting rod is rotationally connected to the interior of a cavity of each connecting bin through a bearing, and connecting blocks are fixedly connected to the two ends of each connecting rod. According to the base, the storage bin, the connecting pipe and the rain baffle, on the basis that the rain baffle is folded and stored, the device can be conveniently moved to other traffic intersections for commanding, and therefore the problem that an existing intersection commanding device is inconvenient to fold and store to be taken back and move to other intersections to be used after a rain shelter is built is solved.

The utility model discloses a kind of plastic particle unpacking feeding devices, including screening frame, back material cylinder and be set to the upper loading frame of screening frame one side;The inside of screening frame is provided with sieve plate, the below of sieve plate is provided with guide chute, the below of guide chute is provided with the feeding frame for plastic particle feeding, the bottom of screening frame two sides is connected to the top of feeding frame by vibration component;The inner wall of screening frame is provided with back material hole, the below of back material hole is provided with the discharge hopper of cooperation back material cylinder to large particle plastic back material, the inside of back material cylinder is provided with beating component;The top of upper loading frame is installed with the conveying roller for plastic particle bag conveying, the side of conveying roller is provided with the pushing component of material bag positioning and disassembling;The utility model can conveniently carry out the screening of particle after plastic particle is unpacked, timely suitable plastic particle is fed, and can be smashed to the plastic particle that coagulates into group, effectively guarantee the production and processing efficiency of plastic particle.

The utility model provides a rounded corner heat insulation piece for a broken bridge aluminum window. The rounded corner heat insulation piece comprises a rounded corner part, a first insertion cone and a second insertion cone. The first inserting cone is arranged on one side face of the round corner part and inserted into one heat insulation strip at one corner of the heat insulation strip rectangular frame on the most radial outer side in the window sash. The second inserting cone is arranged on the other side face of the round corner part and inserted into the other heat insulation strip at the same corner of the heat insulation strip rectangular frame on the most radial outer side in the window sash. The side face of the radial outer side of the fillet part is a fillet face, and after insertion, the right angle of the radial outer side of the heat insulation strip rectangular frame on the most radial outer side is changed into a fillet structure. The utility model further provides a broken bridge aluminum window comprising the fillet heat insulation piece. The four corners of the heat insulation strip rectangular frame of the window sash are each provided with one round corner heat insulation piece, the round corner side faces on the outer sides of the round corner parts enable each right angle on the outer side of the heat insulation strip rectangular frame to be of a round corner structure, arc treatment is conducted, and the sealing performance and personal safety of the broken bridge aluminum window are protected.

The utility model provides an air leakage prevention wheel assembly structure. The air leakage prevention wheel assembly structure comprises a tire assembly and a hub assembly. According to the air-leakage-proof wheel assembly structure, the rubber layer is additionally arranged on one side of the outer tire, so that the side face of the outer tire is thickened to prevent the side wall of the outer tire from being easily scratched due to the fact that the side wall of the outer tire is too thin, one end of the inflating valve is communicated with an inner cavity of the inner tire, and the silica gel sealing ring is arranged in the groove in the surface of the inflating valve in a sleeved mode and is of a conical structure. A silica gel sealing ring is arranged on the inner side wall of the tire tube, the silica gel sealing ring is fixedly connected with the inner side wall of the tire tube through a glue solution, and the sealing performance between the inflating valve and the tire tube is improved to a certain extent; when the tire punctures a nail, the memory rubber layer is used for blocking a short nail, the short nail is prevented from puncturing the inner tire to a certain extent, and when the nail is taken out, the memory rubber layer can slowly restore to the original shape to continuously protect the inner tire.

The utility model provides an active type cap falling device which comprises a pair of installation fixing plates, a pair of cap falling wheels and a pair of stepping motors, the pair of installation fixing plates are arranged in parallel, the pair of cap falling wheels are both rotatably installed between the two installation fixing plates, a cap passing channel matched with an easy-to-pull cap is formed between the two cap falling wheels, and the stepping motors are arranged on the cap passing channel. The pair of stepping motors is installed on the side, back to the cover falling wheels, of one installation fixing plate and connected with the two cover falling wheels in a one-to-one correspondence mode so as to drive the cover falling wheels to rotate. The stepping motor is arranged to drive the cover falling wheel to rotate so as to act on the cover, passive driving is changed into active driving, the conveying resistance of the cover is reduced, and the quality problems of cover deformation, scratching and the like are solved.

The utility model relates to the technical field of production stirring, in particular to a stirring device for titanium dioxide production, which comprises a stirring tank body, a tank upper cover is assembled at the top of the stirring tank body, a feeding funnel is assembled at the top of the tank upper cover, and the lower part of the side edge of the feeding funnel is assembled at the top of the tank upper cover through a mounting frame in a supporting manner. A feeding hopper is arranged in the stirring tank body, a filter screen cover is assembled in the feeding hopper, a stirring inner shaft is arranged in the stirring tank body, the lower end of the stirring inner shaft is inserted and assembled in the center of the bottom of the stirring tank body, an upper scraping plate, a middle scraping plate and a bottom scraping plate are sequentially assembled on the side wall of the stirring inner shaft from top to bottom through a stirring frame, and a stirring rod is assembled on the side wall of the stirring frame. According to the utility model, the interior of the tank body can be conveniently stirred and scraped according to use requirements, and meanwhile, the filtering operation can be conveniently carried out during feeding, so that the stirring operation is more convenient.

The utility model relates to the technical field of excavators, and discloses a multifunctional excavating tool which comprises a first bucket, fixing frames are fixedly connected to the two sides of the first bucket, a movable frame is rotationally connected to the tops of the fixing frames, a second bucket is fixedly connected to one end of the movable frame, and a driving assembly is arranged in the middle of each fixing frame. The driving assembly comprises a hydraulic cylinder, the hydraulic cylinder is rotationally connected to the middle of the fixed frame, and the end, away from the second bucket, of the movable frame is rotationally connected to the output end of the hydraulic cylinder. According to the utility model, the hydraulic cylinder works, when the hydraulic cylinder works, the movable frame is driven to move, when the movable frame moves, the bucket II is driven to move at the same time, and when the bucket II moves, the bucket teeth are driven to move, so that the operations such as scraping, grabbing, leveling and the like can be conveniently carried out, and the working efficiency is further improved; and meanwhile, the labor intensity of workers is reduced.

The utility model discloses a socket structure with an overload protection function, which comprises a device main body and an overload protection mechanism, and the overload protection mechanism is arranged at the upper end of the device main body and used for power-off protection. The overload protection mechanism comprises a rear machine cover, one end of the rear machine cover is provided with a machine box, an inner supporting piece is installed in the machine box, and one end of the inner supporting piece is provided with an induction piece. And the safety of the device main body is improved, and the effect of prolonging the service life of the device main body is achieved by installing a protection mechanism at one end of the device main body.

The utility model relates to the field of feeding devices, in particular to a clamping jaw and a feeding mechanism, the clamping jaw comprises a base and two hook claw assemblies arranged at the bottom of the base at intervals in the first direction, each hook claw assembly comprises one or more hook claws arranged side by side in the second direction, and the second direction is perpendicular to the first direction; the hook claw comprises a puncturing end capable of puncturing the bag body; the hook claws can turn over around the rotating axis parallel to the second direction so as to clamp and release the bag body. During clamping, the hook claw drives the puncture end to puncture the upper bag surface of the bag body through overturning, so that at least part of the hook claw enters the bag body to hook the bag body; the driving part is used for driving the claw to overturn around the claw; when the feeding mechanism comprising the clamping jaw is used for carrying materials, the manual labor amount is reduced, the carrying efficiency can be improved, and the risk that operators inhale material dust is reduced.

The present invention discloses a tire burst test device, comprising a base and a blade, wherein the blade comprises a spike portion, a blade portion and a blunt portion, and the tire burst test device further comprises a rotating shaft, an energy storage member, a blade locking assembly, an unlocking assembly and a limiting assembly, wherein the rotating shaft is rotatably mounted on the base, the blade is mounted on the rotating shaft, the energy storage member is mounted on the rotating shaft and connected to the blade, the blade locking assembly is used to lock the blade, the unlocking assembly is used to trigger the blade locking assembly to unlock the blade, the blade rotates and pierces the tire under the action of the energy storage member after being unlocked, and the limiting assembly is used to limit the angle of the blade after rotation. The present invention also discloses a tire burst test system. The present invention pierces the tire through the spike portion, which facilitates the subsequent slicing of the tire by the blade portion. After the blade portion subsequently cuts the tire to a certain length, the blade rotates to the blunt portion corresponding to the tire and separates from the tire, so as to prevent the blade from cutting the tire for too long and causing the tire to be unhooked. The tire burst test device in the present invention can meet the current standards and improve the test efficiency.

The utility model relates to the technical field of ash scraping knives, in particular to a novel ash scraping knife which comprises an ash scraping knife body, the ash scraping knife body is composed of a knife rest, a first blade, a second blade and a grab handle frame, the first blade and the second blade are both arranged on the knife rest, an inserting groove and a countersunk head screw hole are formed in the grab handle frame, and a rotating inserting column is arranged on the knife rest. The rotary inserting column is connected with the inserting groove in an inserted mode, a first positioning groove and a second positioning groove are formed in the rotary inserting column, the first blade is sleeved with a first blade protection cover, the second blade is sleeved with a second blade protection cover, the first blade is provided with a first fillet, the second blade is provided with a second fillet, and a threaded pin is arranged in the countersunk screw hole. A screw pin handle cap is arranged on the threaded pin, and a finger lock groove is formed in the screw pin handle cap. The application range of the ash scraper body is widened, the protection performance of the first blade and the second blade on the ash scraper body is improved, and the convenience of adjusting and positioning is improved.

The utility model discloses a spiral winding type heat exchanger which comprises a barrel body, heat source connectors are symmetrically installed at the upper end and the lower end of the barrel body, cold source connectors are symmetrically connected to the side wall of the barrel body, a spiral tube bundle is installed in the barrel body, and two rows of baffle plates are distributed between the periphery of the spiral tube bundle and the inner wall of the barrel body. Each row of baffle plates penetrate through and are in threaded connection with the same screw rod, a main ring plate and an auxiliary ring plate are rotationally mounted at the upper end and the lower end of the screw rod respectively and are rotationally connected with the barrel body, a transmission gear is connected to one end, penetrating out of the top surface of the main ring plate, of the screw rod, and a double-sided gear ring is rotationally connected to the main ring plate; the inner ring of the double-face gear ring is connected with the transmission gear in a meshed mode, and a gear ring is fixed to the outer edge of the main ring plate. Through the arrangement of the baffle plates, the flowing time of a cold source in the cylinder body is prolonged, meanwhile, when the baffle plates slide, the surfaces of the spiral tube bundles can be cleaned, and the heat exchange efficiency of the whole heat exchanger is effectively improved.

The invention provides a thermal insulation intermediate material for building interior and exterior walls and a preparation method thereof. The silicon-based composite material is prepared by synthesizing a silicon-based material and an inorganic material and is in a regular porous shape. The intermediate material has the advantages of high temperature resistance (more than 1000 DEG C), light weight (160 Kg / m < 3 >), heat conductivity coefficient of 0.027-0.038 w / mk, good heat insulation performance and fireproof performance, excellent film-forming property, easiness in blade coating and convenience in construction, and is widely applied to heat insulation scenes of inner and outer walls of buildings.

The utility model relates to a portable distance fixing device which comprises a horizontal support, two hole opening cups are arranged on the horizontal support in a sleeved mode, one hole opening cup is fixed at one end of the horizontal support, the other hole opening cup is connected with the horizontal support in a sliding mode and located through a bolt extending in the radial direction, and the tops of the hole opening cups are coaxially arranged on the horizontal support in a sleeved mode through sleeves. Wherein a through pipe is fixedly arranged at the top of a sleeve of the hole opening cup fixed to the end of the horizontal support, an L-shaped distance fixing rod is arranged in the through pipe in a penetrating mode, the end of the horizontal section of the distance fixing rod penetrates into the through pipe, is connected with the through pipe in a sliding mode and is positioned through a bolt extending in the radial direction, and the vertical section of the distance fixing rod vertically extends downwards to be in the same level with the bottom end of the hole opening cup. The efficiency is high.

The utility model relates to the technical field of dehydrogenation production, in particular to a high-pressure dehydrogenation kettle for producing iminodiacetic acid, which comprises a kettle main body, the kettle main body comprises a lower kettle shell and an upper kettle shell, a support is assembled on the side edge of the lower kettle shell in a supporting manner, and a pressurizing butt joint seat and a pressure relief exhaust valve are assembled on the two sides of the left side of the upper part of the upper kettle shell. A feeding seat is assembled at the top of the upper kettle shell, a discharging seat is assembled at the bottom of the lower kettle shell, a stirring transverse shaft is transversely inserted in the middle of the kettle main body, a stirring frame is assembled on the inner side of the stirring transverse shaft, and a transmission drum sleeves the left side of the stirring transverse shaft and is inserted in the left side wall of the kettle main body in a penetrating manner; and a scraping frame is assembled in the transmission rotary drum. The reaction kettle is convenient for pressurizing and stirring according to requirements to promote rapid reaction and scratch the kettle wall, and raw materials are not easy to adhere to the kettle wall, so that the reaction kettle is more convenient and efficient to use.

The present invention belongs to the technical field of polymer materials, and discloses a polypropylene material, a preparation method and an application thereof. The polypropylene material of the present invention comprises the following components by weight: 69-90 parts of polypropylene, 5-15 parts of alumina powder mixture, 0.2-1 parts of silane coupling agent, 0-1 parts of primary antioxidant, 0-1 parts of secondary antioxidant, and 0-1 parts of light stabilizer. The present invention uses a mixture of alumina powder with large and small particle sizes to fill polypropylene, which improves the material's ability to resist deformation during scratching, makes scratches shallow, avoids the material from being easily scratched by hard objects, and has little effect on gloss. It is suitable for the fields of automotive parts and home appliance housings.

The utility model discloses a kind of heavy bag packing machine automatic bag feeding device, it includes bottom plate, the bottom plate top right side is provided with conveying assembly, the conveying assembly includes two clamping frames, rotatably connected with conveyor belt between two clamping frames, the inner wall both sides of conveyor belt are fixed with rotating roller, the clamping frame left end of front side is fixed with driving motor, the driving motor output penetrates to clamping frame inside, and fixedly connected between and rotating roller, two clamping frame top are provided with pressing assembly between, the pressing assembly includes first top frame, the both ends of first top frame bottom are fixedly connected between clamping frame top, and first top frame top center is fixed with first cylinder, the first cylinder output penetrates to first top frame inside, and first cylinder output is fixedly connected with pressing plate, start first cylinder, promote first cylinder output to push pressing plate and move downwards, to press every single supply bag, promote it can be in stable state.

The utility model relates to the technical field of vehicle connector accessories, in particular to a copper lining core riveting internal thread connector which comprises a connector body, a lining core and an annular film bag, the connector body comprises a connecting part and a buckling part, the connecting part is provided with a connecting hole, the connecting hole is provided with an internal thread, the buckling part is provided with a buckling hole, and the buckling hole is provided with an external thread. An assembling hole is further formed between the connecting hole and the buckling hole, the lining core comprises an abutting part, a middle part, an inner supporting part and a center hole, the inner supporting part penetrates through the assembling hole and extends into the buckling hole, the middle part is arranged in the assembling hole, the abutting part is arranged in the connecting hole, the center hole penetrates through the lining core, and glue is arranged in the annular film bag; when the buckling part is buckled and pressed, the annular film bag is broken, and the end part and the side wall of the rubber pipe are filled with glue, so that the rubber pipe has the advantages of higher connection strength after extending into the buckling and pressing hole, better sealing performance and suitability for high-pressure oil ways and high-frequency bumpy road conditions.

The invention discloses a stainless steel reaction tank for producing heparin-like substances, which relates to the field of chemistry and comprises: a reaction tank and a switch door arranged on the front of the reaction tank, wherein the outer surface of the switch door is rotatably connected to the inner wall of the reaction tank, the bottom plate of the reaction tank is evenly provided with supporting feet, the top of the supporting feet is fixedly connected to the bottom of the reaction tank, the top of the reaction tank is fixedly connected with a partition plate, and the top of the partition plate is provided with a picking block; a crushing mechanism, which is used to crush animal cartilage and perform enzymolysis; a transmission mechanism, which is used to transmit liquid after enzymolysis; an extraction mechanism, which is used to synthesize heparin-like substances; the bottom end of the inner wall of the reaction tank is fixedly connected to the bottom of the extraction mechanism, the bottom of the crushing mechanism is fixedly connected to the top of the partition plate, and the outer surface of the transmission mechanism is fixedly connected to the inner wall of the crushing mechanism.