70results about How to "Enhanced binding effect" patented technology

The invention discloses a degradable polycarbonate cationic carrier and application thereof, and belongs to the technical field of drugs, the degradable polycarbonate cationic carrier is a nano-micelle formed by self-assembly of diblock polymers, the diblock polymers are represented as A-B, the A block is mPEG, and the B block is PAMA, PDMA or PDEA; the molecular weight of the block A is 2000 to 5000, and the polymerization degree of the block B is 50 to 150. The degradable polycarbonate cation carrier has an mRNA delivery function, and is combined with mRNA through a positive and negative electricity interaction principle, so that the problem of gene waste caused by mRNA loading through a microfluidic method can be solved, and efficient delivery of antigen presenting cells (APC) is realized.

The utility model provides a special positioning device for radiotherapy of tumor patients. Relates to the technical field of medical instruments, the positioning device special for tumor patient radiotherapy comprises a bottom plate, two sides of the bottom plate are each fixedly provided with two connecting blocks, two sides of the bottom plate are each slidably provided with a sliding block, and the sides, away from each other, of the two sliding blocks are each fixedly provided with a joining block; the same moving plate is fixedly mounted at the tops of the two connecting blocks, the moving plate is slidably mounted at the top of the bottom plate, a passing hole is formed in the moving plate, a gas storage tank is fixedly mounted at the top of the moving plate, an air extracting pump is fixedly mounted at the bottom of the moving plate, and a connecting pipe is fixedly mounted at an air outlet of the air extracting pump; and the top end of the connecting pipe is fixedly connected with the bottom of the gas storage tank. The positioning device has the advantages of being flexible and convenient to use, capable of being suitable for different patients and body parts, high in applicability and good in positioning effect.

The invention belongs to the technical field of abrasive jet polishing, and discloses a photo-rheological polishing liquid backflow type jet polishing device and a polishing method thereof.The photo-rheological polishing liquid backflow type jet polishing device comprises a platform system, a polishing system and a polishing liquid circulating system, the platform system comprises a machining platform, and the polishing system comprises a jet nozzle; the polishing solution circulating system comprises a backflow uniform illumination container, a jet flow uniform illumination container, a visible light source, an ultraviolet light source and a pipeline assembly. The problems that medium and large curved surface parts are low in polishing efficiency and high in cost are solved. According to the designed backflow type jet flow spray head, jet flow polishing is applied to a medium-large curved surface, the polishing solution is recycled, the polishing solution adopts a photorheological reversible mechanism, photosensitive colloid which is initially in a strip shape can be subjected to a photoisomerization reaction under irradiation of ultraviolet light to be in a flocculent shape, bound abrasive particles are in a clustered shape, and the polishing effect is achieved. And the polishing quality and efficiency are effectively improved.

The utility model discloses a financial bill arranging and binding device, which belongs to the technical field of binding devices and comprises a bottom plate, a fixing block is fixedly mounted on one side of the top surface of the bottom plate, a threaded shaft is rotatably connected to the bottom surface of an inner cavity of the fixing block, and a pressing block for pressing financial bills is arranged on the peripheral side of the threaded shaft and positioned in a threaded sleeve of the inner cavity of the fixing block. A connecting block is transversely connected to one side face of the fixed block, sliding rods are fixedly connected to the inner walls of the two sides of the connecting block, clamping blocks used for clamping financial bills sleeve the circumferential sides of the sliding rods, a base plate is fixedly connected to the top face of the connecting block, a threaded rod piece is rotationally connected to the top face of the base plate, and a movable block sleeves the circumferential side of the threaded rod piece in a threaded mode; connecting plates are hinged to the two side faces of the movable block correspondingly, and the free ends of the two connecting plates are hinged to the top faces of the two clamping blocks correspondingly. According to the financial bill arranging and binding device, the problem that dislocation is likely to be generated after financial bills are bound is solved, and the financial bill binding effect is improved.

The utility model discloses a hollow membrane filtration device, including hollow membrane bundle, hollow tube and protective net, the hollow membrane bundle is provided in the said inner cavity, be provided with the cavity between the hollow membrane bundle and the inner wall of inner cavity, feed liquid in the cavity circulates along the axial direction of hollow membrane bundle, the hollow membrane bundle includes a plurality of hollow membrane silk that extends axially, the hollow membrane silk is provided with the protective net. The protection net circumferentially surrounds the outer side of the hollow membrane bundle and extends in the axial direction of the hollow membrane bundle, the protection net comprises a plurality of inner wires spirally arranged in the axial direction of the hollow membrane bundle and a plurality of outer wires spirally arranged in the axial direction of the hollow membrane bundle, a spiral inner channel is formed between every two adjacent inner wires, a spiral outer channel is formed between every two adjacent outer wires, and the outer channels are communicated with the inner channels. And the inner wires and the outer wires are interwoven to form meshes for radial circulation of feed liquid. According to the scheme, the obstruction of the protection net to the biological feed liquid in the circulation process is reduced, and the shearing force to the biological feed liquid is reduced, so that the damage of the shearing force to effective components in the biological feed liquid is reduced.

The explosive binding device comprises a front conveyor (1) and a rear conveyor (2), a binding mechanism (3) is arranged between the front conveyor (1) and the rear conveyor (2), a long rod feeding area (4) is formed at the feeding end of the front conveyor (1), a feeding mechanism (5) is arranged on the rear side of the feeding area (4), and the binding mechanism (3) is arranged on the rear side of the feeding mechanism (5). The feeding mechanism (5) is used for conveying explosives to the front conveyor (1) one by one; the binding mechanism (3) comprises a support (6), a circular ring seat (8) is arranged on one side of the support (6), a first motor (21) with the output end connected with the circular ring seat (8) is arranged on the support (6), three evenly-distributed idler wheels (7) are arranged on the outer side of the circular ring seat (8), rolling shafts of the idler wheels (7) are fixed to the support (6), and an installation mechanism of an adhesive tape roll is arranged on the circular ring seat (8). The binding device has the advantages that the binding effect is good, and the binding efficiency is high.

The invention relates to the technical field of medical apparatus and instruments, and discloses a restraint seat with an infusion device for psychiatric patients, the restraint seat comprises a seat framework, a walking wheel and a guide wheel are rotatably mounted on the seat framework, and a seat cushion part, a side supporting part and an arm-chair part are arranged on the seat framework; the seat cushion part, the side edge supporting part, the arm-chair part and the seat framework form a seat main body, the arm-chair part comprises a hard backup plate and a flexible back cushion, the hard backup plate is fixedly mounted on the seat framework, connecting grooves which are symmetrical left and right are formed in the top surface of the hard backup plate, steering shafts are rotatably mounted in the connecting grooves, and the flexible back cushion is fixedly mounted in the connecting grooves. And a main binding belt assembly is arranged on the seat cushion part. Patients with different figures can be conveniently restrained by freely adjusting the length of the main binding belt and freely adjusting the position of the movable blocking pad, and the movable blocking pad is arranged, so that the situation that when the patient moves restlessly, the whole body of the patient stretches and retracts, and consequently the patient easily slides down from the seat body is avoided.

The utility model relates to the technical field of tire pressure monitors, in particular to a tire pressure monitor convenient for fixing an air tap, which comprises a monitor body, a display dial plate, an air pipe fixedly connected to the surface of the display dial plate, and a connecting cylinder fixedly connected to one end, far away from the display dial plate, of the air pipe; and the fixing mechanism comprises a supporting block, the supporting block is fixedly connected to the surface of the connecting cylinder, a movable rod is movably connected to the surface of the supporting block, a pressing block is fixedly connected to the surface of the movable rod, and a tension spring is fixedly connected to the surface of the movable rod. Under the action of the tension spring, the elastic rotation effect on the movable rod is achieved, under the connection of the pressing block and the tire valve, the connection position between the connecting cylinder and the tire valve is fixed, the high-precision tire pressure monitoring effect is achieved, through the connection of the supporting spring and the pressing ring, the effect size of the pressing ring on the constraint ring is adjusted and controlled, and the tire pressure monitoring precision is improved. And a better binding effect of the binding ring is achieved.

This application provides a facial skeleton rigging method, apparatus, electronic device, and storage medium. The facial skeleton rigging method includes: binding facial bones to facial mesh data in the initial state of the character to be constructed, obtaining a first binding result; loading a historical skeleton controller and first controller parameters of the historical skeleton controller; calculating the facial bone position using the first controller parameters, obtaining the vertex position of the first facial mesh; and optimizing the first binding result based on the vertex position of the first facial mesh, the facial mesh data, and the first controller parameters to obtain a second binding result. Calculating the facial bone position using controller parameters and optimizing the first binding result using the vertex position of the facial mesh and the facial mesh data as ground truth significantly improves the rigging effect of facial skeleton rigging.

The utility model relates to the technical field of bookbinding equipment, and discloses bookbinding equipment with a paper aligning mechanism, which comprises a stapler, a through groove is arranged on the stapler, a positioning mechanism convenient for aligning paper is arranged on the inner wall of the through groove, the positioning mechanism comprises a sliding rod, and the sliding rod is arranged in the through groove. The binding equipment comprises a through groove, a sliding rod is fixedly installed on the upper surface of the through groove, the sliding rod is slidably connected to the inner wall of the through groove, a sliding block is slidably connected to the inner wall of the sliding rod, a top plate is fixedly installed on the top of the sliding block, and a right-angle plate is fixedly installed on the upper surface of the top plate. According to the paper stapler, the two right-angle plates can extrude the two corners of paper, the paper is aligned, the bottom of the paper is supported in cooperation with the top plate, the paper stapling uniformity can be improved, the position between the paper and the stapler can be adjusted through movement of the sliding block, and then different positions of the paper can be stapled.

The invention relates to an anti-single-particle reinforced P-GaN transistor with a periodic PN junction laminated gate structure, and belongs to the technical field of semiconductor devices. The transistor comprises a substrate; a buffer layer formed on the surface of the substrate; a barrier layer formed on the surface of the buffer layer; the source electrode is formed on the surface of the barrier layer; the drain electrode is formed on the surface of the barrier layer; the P-GaN layer is formed on the surface of the barrier layer and is positioned between the source electrode and the drain electrode; the periodic PN junction laminated gate structure is formed on the surface of the P-GaN layer; the grid electrode is formed on the surface of the periodic PN junction laminated gate structure; and the passivation layer is formed on the surfaces of the barrier layer, the source electrode and the drain electrode. Through the built-in electric field formed by the PN junction between the P-GaN layer and the grid electrode, effective constraint on a large number of electrons generated by incidence of heavy ions from the grid electrode is realized, and instantaneous current in the device is reduced, so that the single-particle burning voltage of the device is remarkably improved, and the reliability and the performance of the device are enhanced.

The utility model discloses a finished product winding device for textile fabric production and processing, which belongs to the technical field of textile fabric production and comprises a base, the upper surface of the base is fixedly connected with a fixing plate, the surface of the fixing plate is provided with a winding assembly, and the winding assembly comprises a first rotating shaft, a winding roller and a first motor. A cloth body is connected to the surface of the winding roller in a winding mode, a moving assembly is arranged on the inner wall of the base and comprises a connecting plate, a second rotating shaft, a threaded column, a second motor, a threaded cap, a sliding groove and a sliding plate, and by arranging a binding assembly, under the action of an electric push rod, a shell is conveniently driven to rotate on the surface of a first supporting plate; by arranging the fixing wheel, the fixing wheel drives one end of the binding adhesive tape to adhere to the surface of the cloth body, the binding adhesive tape winds and binds the cloth body through rotation of the cloth body, and by arranging the winding assembly, the winding roller can conveniently drive the cloth body to rotate.

The utility model relates to the technical field of rope gaskets, in particular to a detachable rope gasket which comprises a gasket body. Two connecting rings are symmetrically fixed to the top of the gasket body, threaded holes are formed in the tops of the two connecting rings, and threaded rods are in threaded connection with the interiors of the threaded holes; a threaded rod is arranged on the gasket body, a rotating shaft is fixed to the top of the threaded rod, a fixing plate is fixed to the bottom of the threaded rod, a first anti-skid protrusion is arranged at the bottom of the gasket body, a movable groove is formed in the outer wall of the gasket body, and a lengthening plate is movably arranged in the movable groove. And the two parts are detached and separated, so that the purposes of being convenient to store and carry are achieved, and the flexibility is high.

The invention discloses a binding method and system for a distribution network wire and an insulator. The binding connection position between the distribution network wire and the insulator is defined based on a binding space; binding of the distribution network wire and the insulator is triggered based on the response of the binding connection position, and intelligent management and control of the binding space and the binding connection position are achieved. Defining a binding type according to the model of the distribution network wire, the model of the insulator and a preset binding force, wherein the binding type is matched with the binding track; after binding of the distribution network wire and the insulator is completed, a working scene of the distribution network wire and the insulator is defined according to the multiple environmental parameters, detection time is defined according to the influence parameters corresponding to the working scene and the binding coefficient of the binding type, and the distribution network wire and the insulator are bound again based on the detection time. The overall consideration of first binding of the distribution network wire and the insulator and secondary binding of the distribution network wire and the insulator is compatible, and the binding effect of the distribution network wire and the insulator is improved.

The utility model provides a stapler, and belongs to the technical field of file binding equipment, the stapler comprises a base, a movable plate, a limiting assembly and a pressing binding mechanism; one end of the movable plate is hinged to the base, the other end of the movable plate obliquely extends upwards, and the pressing binding mechanism is rotationally arranged on the movable plate; the limiting assembly comprises a limiting piece and a locking piece arranged on the limiting piece, the limiting piece is arranged on the base and slides relative to the base so as to adjust the distance between the limiting piece and the pressing binding mechanism, the limiting piece is used for making contact with the side edge of the paper file so as to position the paper file, and the locking piece is used for locking the limiting piece at the current position; scale marks are arranged on the base or the movable plate, distributed in the sliding direction of the limiting piece and used for indicating the position of the limiting piece. The stapler provided by the utility model solves the technical problem of poor stapling effect of paper files in the prior art.

This utility model discloses a precast box girder rebar tying tool, which includes a base plate, multiple columns on the top of the base plate, and first sliding sleeves slidably connected to the outer walls of the columns. A crossbar is provided on the top of two adjacent first sliding sleeves, and a second sliding sleeve is slidably connected to the outer wall of the crossbar. An installation component is provided on the top of the side wall of the second sliding sleeve, and an adjustment component is provided on the side wall of the first sliding sleeve. This precast box girder rebar tying tool uses an installation frame to install longitudinal rebars and a sliding frame to install transverse rebars, facilitating the tying of rebars spliced ​​in different directions. A spring drives the sliding frame downwards, causing the transverse rebars to press against the longitudinal rebars, making the precast box girder rebar tying tool more secure, effectively improving the tying effect and increasing the strength of the precast box girder. Furthermore, the bolt rotation causes the abutment plate to abut against the columns, and the magnetic plate adsorbs the positioning plate, improving installation stability and facilitating precise adjustment of the rebar tying position to meet different needs.

The utility model discloses a food canning device beneficial to pressure relief, which comprises a sausage canning machine and a fixed seat connected with the sausage canning machine, a connecting rod is movably connected onto the fixed seat, a connecting piece internally connected to the tail end of a sausage is arranged at the tail end of the connecting rod, and a pressure relief hole communicated with the sausage is arranged on the connecting piece. A clamping device at the tail end of the intestine is arranged on the connecting piece; by means of the simple structure, the sausage can can be conveniently operated, and meanwhile the sausage can be effectively prevented from being broken.

The utility model discloses a feeding tool for target material binding. The feeding tool comprises a tool body and a plurality of positioning pieces. A feeding hole is formed in the tool body in a penetrating mode, the tool body is used for being detachably connected to the target material cylinder, a feeding gap is formed between the inner wall of the feeding hole and the back pipe, and the feeding gap communicates with a gap between the target material cylinder and the back pipe; the multiple positioning pieces are connected to the tool body and distributed in the circumferential direction of the feeding hole at intervals, the position of each positioning piece can be adjusted in the radial direction of the feeding hole so as to pass through multiple positioning positions, the positioning positions of all the positioning pieces are in one-to-one correspondence in the circumferential direction of the feeding hole, and all the positioning pieces can abut against the outer side wall of the target material cylinder at the same time. Therefore, the feeding gaps formed between the inner wall of the feeding hole and the back pipe are evenly distributed, the situation of uneven distribution during brazing filler metal filling is avoided, the problem of poor binding such as eccentricity is further avoided, and the binding effect is improved. The utility model also discloses a binding device.

The present invention proposes a Z-shaped double-flange purlin with a reinforced cavity on the outer side of the flange, comprising a wide flange, a narrow flange and a web; the wide flange and the narrow flange are orthogonally connected to the two ends of the web; the wide flange and the narrow flange are both double-flanges formed by folding the full flanges at both ends of the web; a curling edge is provided at one end of the double-flange away from the web; the curling edge is bent more than twice to form a polygonal cavity; when two identical double-flange purlins are overlapped, the narrow flange of one purlin and the outer edge line of its curling plate are enveloping between the curling edge of the wide flange of the other purlin and the web. The present invention improves the plate stability of the compressed flange by folding the full flange to form a double-flange and setting a reinforced cavity on the outer side of the flange, thereby improving the material strength utilization rate of the purlin flange and the web, and improving the bearing capacity and economy of the purlin; compared with the traditional Z-shaped purlin, the technical effect of increasing the bearing capacity of the purlin by more than 15% with the same material usage is achieved.

The voucher binding machine with the automatic pressing function comprises a binding assembly, the binding assembly comprises a bottom plate, a machine body and a handle, the machine body is located at the top of the bottom plate, and the handle is arranged on the machine body; the positioning assembly is arranged on the bottom plate and comprises a pressing piece, a rotating piece, a pulling piece and a transmission piece, the pressing piece is located on the top of the bottom plate, the rotating piece is arranged in the bottom plate, the pulling piece is located on one side of the pressing piece, and the transmission piece is arranged on one side of the pulling piece. Through the arrangement of the positioning assembly, the whole invoice voucher can be automatically pressed and fixed when the invoice voucher is bound, so that the invoice voucher is prevented from loosening or displacing during punching, and the binding effect and attractiveness are improved.

The invention relates to the technical field of rubber, in particular to a rubber compound for an anti-fatigue gas diaphragm and a production method of the rubber compound. The rubber compound material is prepared from the following raw materials in parts by weight: 90 to 110 parts of nitrile rubber, 15 to 30 parts of trans-1, 4-polyisoprene rubber, 5 to 15 parts of dioctyl phthalate, 50 to 80 parts of a reinforcing agent, 3 to 5 parts of an active agent, 5 to 8 parts of a processing aid, 1.5 to 2.5 parts of an anti-aging agent, 0.5 to 2.5 parts of an accelerant, 0.5 to 1.5 parts of a vulcanizing agent and 2 to 3 parts of a functional additive; the functional additive prepared by the invention can effectively delay the aging rate of the rubber compound for the fuel gas diaphragm, so that the rubber compound has better mechanical properties and fatigue resistance in a quite long period of time, the service life of the rubber compound is prolonged to a certain extent, and the quality of the rubber compound is also ensured; in addition, the prepared rubber compound material also has important application in the aspects of manufacturing of long-life dynamic fatigue products, giant engineering tires, large thick products and the like.

The present invention discloses a photo frame backboard connecting nail, a manufacturing process and a punching die, wherein the connecting nail comprises a binding part for inserting into the photo frame backboard and a mounting part for connecting with a fixing member, the binding part is hollow, and the mounting part is connected to the top of the binding part; wherein the binding part comprises a spike section and an extension section, the spike section is provided with a plurality of spikes, the upper end of the extension section is connected to the mounting part, the lower end of the extension section is connected to the upper end of the spike section, and the diameter of the extension section is larger than the diameter of the spike section. The connecting nail of the present invention can allow the backboard waste to be discharged upward smoothly during binding, which is conducive to reducing the difficulty of binding and has a good binding effect.

The utility model relates to the technical field of anchor rods, and provides a binding device for anchor rods, which comprises a base and anchor rods, the top of the base is slidably connected with a rolling frame, the top end of the rolling frame is rotatably connected with a rolling rod for rolling the bound anchor rods, and the top of the base is further fixedly provided with a binding frame; according to the bundling equipment for the anchor rod, the anchor rod is pushed to the position between the two bundling steel wires through the arranged feeding assembly, the bundling assembly rotates on the top frame along with the inner ring, the anchor rod can be fixed through tightening of the two bundling steel wires, and then the tightened bundling steel wires are pushed through the auxiliary assembly to improve the bundling effect; and meanwhile, the multiple bound anchor rods can be wound through rotation of the winding rod, so that a single anchor rod can be effectively fixed and then wound into a large bundle of anchor rods, and therefore the situation that the anchor rods are scattered all around due to the fact that the steel wires on the bound anchor rods are broken is effectively prevented.

The utility model relates to the field of target material production equipment, and discloses a rotary target material binding auxiliary tool which comprises a hollow cylindrical structure, a first supporting part is arranged on the lower portion of the cylindrical structure, a first supporting position is arranged on the first supporting part, a second supporting position is arranged on the end face of the top end of the cylindrical structure, a liquid injection hole is formed in the cylindrical structure, and the liquid injection hole is communicated with the liquid injection hole. The liquid injection hole is located between the first supporting position and the second supporting position. When the auxiliary tool, the back pipe and the rotating target are matched, the welding flux is injected from bottom to top through the liquid injection hole, the possibility that bubbles appear when the welding flux is injected is reduced, the axis of the rotating target and the axis of the back pipe are prevented from deviating, and the binding effect of the rotating target and the back pipe is improved.

The invention belongs to the technical field of concrete filled steel tubes, and discloses a full-bolt-connection crossed H-shaped steel reinforced square steel tube concrete structure and a construction method.The structure comprises a square steel tube, crossed H-shaped steel used for reinforcement is arranged in the square steel tube, and the space between the crossed H-shaped steel and an inner cavity of the square steel tube is filled with concrete; the crossed H-shaped steel comprises a plurality of first steel plates which are attached to the inner wall of the square steel pipe, the adjacent first steel plates are fixedly connected with one ends of second steel plates and third steel plates respectively, the other ends of the second steel plates are fixedly connected with the opposite first steel plates, and the ends, away from the first steel plates, of the third steel plates are fixedly connected with the second steel plates. A fastening assembly is arranged on the square steel pipe, and the first steel plate is connected to the inner wall of the square steel pipe in a bolted mode through the fastening assembly. According to the method, the local buckling resisting capacity of the square steel tube flat plate is improved, the restraining effect of the steel tube wall on the core concrete is improved, and the strength of the square steel tube concrete under the action of axial pressure and bending moment and the ductility and energy dissipation capacity under the action of earthquake loads can be remarkably enhanced.

The utility model discloses a manic patient restraint frame with an adjusting function, which belongs to the technical field of medical instruments and comprises a frame body, mounting blocks are arranged at two ends of the bottom of the frame body, one group of mounting blocks are fixedly connected with the frame body, the other group of mounting blocks are slidably connected with the frame body along the length direction of the frame body, and an air cylinder is mounted between the two groups of mounting blocks. Due to the arrangement of the clamping mechanism composed of the mounting block, the gear, the clamping plate, the motor, the sliding rod and the connecting rod at the bottom of the frame body, the clamping mechanism is hidden to the top of the frame body before being used, a patient can lie in the frame more conveniently, and in the using process, the two sides of the body of the patient are directly clamped and positioned through the clamping plate by starting the motor and controlling rotation of the gear, so that the use is convenient. In addition, the air bag cushion on the inner side of the clamping plate is used in cooperation with the air pump, the restraining stability is improved, damage to the patient is avoided, and the practicability is higher.

This invention discloses a high-lubricant-content epoxy resin anti-icing coating material, the components of which include: 3.21~111.3 parts by weight of organic amine, 2.35~36.52 parts by weight of isocyanate, 22.22~591.30 parts by weight of lubricant, 0~27.78 parts by weight of hydrophobic nanoparticles, 100 parts by weight of epoxy resin, 25.71~41.03 parts by weight of curing agent, 0~2.86 parts by weight of accelerator DMP-30, and 59.52~4927.54 parts by weight of organic solvent. This invention also provides a method for preparing the above coating material and its application. The coating material, its preparation method, and its application of this invention solve the problems of poor lubricant binding capacity and low storage capacity of existing anti-icing coating materials through polymer entanglement and urea adsorption, reducing ice adhesion strength to 10-50 kPa, while simultaneously possessing hydrophobicity, mechanical strength, and durability.

This utility model discloses a feeder for a perfect binding machine. It relates to the field of perfect binding machine technology and includes a fixed assembly. The fixed assembly contains a moving assembly, which includes a moving base. The moving base has a fixed groove. Moving side plate assemblies and fixed side plate assemblies are respectively located on both sides of the fixed groove. The fixed side plate assembly includes a fixed clamping plate and a second telescopic rod. The fixed clamping plate is fixedly connected to one side of the fixed groove. A second limiting groove is provided on one side of the fixed clamping plate. A second lifting bar is slidably connected inside the second limiting groove. A second guide plate is fixedly installed on the top of the second lifting bar. A lifting block is fixedly installed at the output end of the second telescopic rod. This utility model allows for adjustment of the height of the moving side plate assembly and the fixed side plate assembly, enabling the device to clamp and fix pages of different widths, improving the perfect binding effect and possessing high practical value.

The utility model relates to the technical field of book cementing equipment, in particular to a vertical lifting device of a cementing machine trolley clamping mechanism, which comprises a first clamping plate, a second clamping plate, a driving component, a lifting component and a lifting component, the driving component is used for driving the second clamping plate to be close to or far away from the first clamping plate, and the lifting component is used for lifting the second clamping plate. The clamping power part drives the first push-pull part and the second push-pull part to drive the second clamping plate to slide along the supporting rod, so that the second clamping plate is close to or far away from the first clamping plate, and therefore books are clamped, consistency of synchronous clamping and uniformity of clamping force are guaranteed. Therefore, the cementing effect is improved; a lifting motor drives a second bevel gear to rotate to drive a lifting screw rod to rotate, so that a linkage block moves along the lifting screw rod, lifting of a first clamping plate and a second clamping plate is achieved, and therefore the thickness of a book glue layer is controlled.

The utility model discloses a catalytic oxidation purification device for cooking fume, which comprises a casing, a smoke inlet and an air outlet are arranged at the bottom of the casing, and an accommodating space is arranged in the casing; the purification structure is arranged in the accommodating space and is positioned above the smoke inlet; the multiple fans are arranged between the purification structure and the side wall of the machine shell, air inlets of the fans face the containing space, air outlets of the fans face the exhaust outlet of the machine shell, and therefore under the action of the fans, relatively clean smoke obtained through treatment of the purification structure flows out of the exhaust outlet to form an air curtain on the side portion of the machine shell; and the high-temperature-resistant plate body is detachably arranged on the machine shell so as to buffer the flue gas. Smoke obtained through purification forms a gas curtain, self-circulation of the smoke is achieved, a flue does not need to be installed, meanwhile, the high-temperature-resistant plate body can buffer the smoke, and the service life of the draught fan is effectively prolonged.