123results about How to "Improve fixation stability" patented technology

This utility model discloses a ship section outfitting device, relating to the technical field of outfitting equipment. It includes a fixing mechanism comprising a base, a lower connecting ring fixedly connected to the center of the base, and fixing pipes rotatably connected to the four corners of the top of the base. A sliding plate is slidably connected to the inner wall of one side of the fixing pipe, and a base plate is fixedly connected to one end of the sliding plate. Through the setting of the fixing and protective mechanisms, this utility model, during use, firstly, the operating rotating block drives the support rod and the lower connecting ring to connect. Then, the angle of the fixing pipe and the base is manually adjusted and fixed with bolts. Simultaneously, the positions of the sliding plate and the base plate are adjusted. Finally, the motor drives the second gear to rotate, which in turn drives the first gear to rotate, causing the sliding column to move along the support pipe, thereby inserting the anchor rod into the ground. This device achieves multi-directional and multi-angle anchoring adjustment, adapting to uneven or complex installation environments on ship section surfaces and improving fixing stability.

This application provides a grinding device for aluminum single panels, comprising a frame, a grinding station disposed above the frame, a grinding mechanism disposed on the frame and above the grinding station, and a clamping mechanism disposed on the grinding station. In actual use, by matching and placing the aluminum alloy sheet in the grinding station, and then setting clamping components on both sides of the grinding station, the aluminum alloy sheet is clamped in the grinding station by moving the two clamping components toward each other, thereby effectively improving the fixing stability of the aluminum alloy sheet and avoiding displacement of the aluminum alloy sheet relative to the supporting surface during the grinding process. This effectively ensures the uniformity of the grinding of the aluminum alloy sheet surface, improves the grinding quality of the aluminum alloy surface, and effectively removes oxide spots and scratches on the aluminum alloy surface. It can fully meet the product needs of customers and has the advantages of simple structure, easy operation, low implementation cost, and easy promotion and implementation.

The utility model belongs to the field of mining drilling machines, and relates to a full-section drilling machine with a drilling rod conveying system, which comprises a moving platform, a drilling rod box, an auxiliary manipulator, a posture adjusting device, a drilling rod transporter, a main manipulator and a rack, and the posture adjusting device comprises a revolving platform, a lifting sleeve, a transporter gyrator and a dip angle gyrator. The rotating platform serves as a carrier of the posture adjusting device and is rotationally connected to the movable platform, the lifting sleeve is vertically installed on the rotating platform in a lifting mode, the transporter gyrator and the dip angle gyrator are both installed on the lifting sleeve, and the transporter gyrator and the dip angle gyrator are installed on the lifting sleeve. The dip angle gyrator and the transporter gyrator are both located on the side, away from the drill rod box, of the lifting sleeve. The drill rod transporter is arranged at the top of the transporter gyrator, and the dip angle of the drill rod transporter is adjusted through the transporter gyrator; the machine frame is arranged on the side, away from the lifting sleeve, of the dip angle gyrator in a side hanging mode, and the main mechanical arm is installed on the machine frame and rotates along with the machine frame.

The utility model discloses a kind of geophysical prospecting multi polarization receiving electrode devices, it is related to electrode device technical field, including: electrode;Upper fixed disc, fixed in the top of the electrode;Lower fixed disc, fixed on the electrode and located below the upper fixed disc, gap is formed between the lower fixed disc and the upper fixed disc, the diameter of lower fixed disc is less than or equal to the diameter of upper fixed disc;Multiple movable slots, along axial direction and be opened in the radial direction of the lower fixed disc;Plug pin, movably inserted in the movable slot;Limit cap, fixed in the top of the plug pin, and the width of the limit cap is greater than the slot width of the movable slot;The utility model is with the aid of the unique structure of plug pin and movable slot, automatically tilt to different directions when plug pin inserts geological medium, can flexibly adjust insertion posture according to geological relief, soil tightness, and form three-dimensional limit to opposite electrode after being closely contacted with geological medium.

The utility model discloses an automatic hanging hammer pendulum impact testing machine relates to testing instrument technical field, including test subassembly including impact testing machine and mounting seat, the lower extreme of impact testing machine is fixedly connected with the upper end of mounting seat, is provided with adjusting mechanism on the impact testing machine, is provided with limit mechanism on mounting seat, and test subassembly is used for carrying out impact test operation, and adjusting mechanism is used for adjusting the impact of test, and limit mechanism is used for fixing the object to be tested, the utility model discloses a adjusting mechanism and limit mechanism are set up, the fixed hammer head structure of part of impact testing machine in the prior art is solved, and it is difficult to effectively adjust according to sample height change, also, the device has certain adjusting function, but the operation is complicated, lacks effective locking mechanism, and the hammer head deviation or loosening phenomenon appears in the test process, when clamping and fixing the object to be tested, the conventional mode is mostly manual compression or mechanical detent, and the labor intensity is big, and the clamping stability is poor.

This utility model relates to the field of workpiece processing technology, and discloses a positioning component and a turning device. The positioning component includes a base plate assembly. At least one workpiece groove is formed on the first side plate of the base plate assembly. The workpiece groove is used for embedding and fixing the first end of the workpiece while exposing the second end for processing. An air supply connector is formed on the base plate assembly, and an air outlet is provided in the workpiece groove. The air supply connector and the air outlet are connected by an air duct. This design combines versatility and safety, achieving reliable workpiece fixation while simplifying the structure, avoiding stress damage during the turning process, and adapting to the load-bearing and turning requirements of workpieces of different shapes. It solves the technical problem that existing fixtures have limited applicability and are prone to workpiece damage during movement.

The utility model relates to the field of stainless steel pipe welding, in particular to an overhead stainless steel pipe welding auxiliary device which comprises a bearing table, two sets of first fixing frames are symmetrically arranged on one side above the bearing table, and two sets of second fixing frames are symmetrically arranged on the other side above the bearing table up and down. The fixing seats between the two first fixing frames and the two second fixing frames draw close to each other to fix the two stainless steel pipes, and after the two stainless steel pipes draw close to each other, the positions of the fixing seats are changed by rotating the corresponding bolts, so that the coincidence position of the butt joint position of the two stainless steel pipes is adjusted, and the butt joint position of the two stainless steel pipes is adjusted. By means of the structure, the butt joint position of two sets of stainless steel pipes can be rapidly and finely adjusted, through the arrangement of the balls, the fixing stability can be improved, rotation of the steel pipes in the welding process can be facilitated, multi-directional welding is achieved, the infrared laser gradienter can also achieve the butt joint and flush accuracy, and the welding quality is improved. Therefore, the welding quality and efficiency of the stainless steel pipe are improved.

The automobile radiator convenient to clean comprises a base and a radiator body, a fixing frame is fixedly connected to the top of the base, a collecting component is arranged at the top of the base, and a connecting component is arranged between the radiator body and the base. The collecting part comprises a collecting box fixedly connected with the top of the base, an inserting opening formed in the top of the collecting box, a filtering plate connected with the inserting opening, a fan fixedly connected with one side of the top of the collecting box, an air suction pipe fixedly connected with one side of the fan and a hose connected with one side of the top of the collecting box. Through the arrangement of the base, the radiator body, the fixing frame and the collecting component, the problems that when an existing automobile radiator is used, although the automobile radiator can be cleaned, the cleaning mode is relatively single, the cleaning effect becomes poor, dirt such as batting after cleaning is directly discharged, impurities are not collected and treated, and the cleaning effect is poor are solved. And therefore, the practicability becomes poor.

The application discloses a kind of optical fiber multi-parameter logging devices, it is related to marine engineering equipment technical field, cable winch, logging cable, guide wheel and logging unit for downhole optical scanning and parameter measurement;Cable winch is used to wind and release logging cable;One end of the logging cable is connected to the cable winch, and the other end is guided by the guide wheel and connected to the logging unit;The logging unit is provided with a gasbag one sealed on the outside of the borescope and a gasbag two for fixing the detection position, which can isolate drilling fluid by inflating to achieve accurate detection and fixation of the detection position and maintain pressure balance;It can realize the technical effects of improving the stability of fixation, improving environmental adaptability, reducing signal interference and flexibly maintaining the pressure balance in the well.

The utility model relates to LED lamp equipment technical field provides a kind of inner frame for LED lamp, comprising: lamp shade;Anti-loose lock accessory, set in the inside of lamp shade, its outer peripheral part is in abutment with the inside wall of lamp shade;Sealing cover, install in the inner bottom of anti-loose lock accessory;Sealing anti -drop piece, set in sealing cover edge and anti-loose lock accessory corresponding position, the relative movement between sealing cover and anti-loose lock accessory can be limited.The utility model sets up anti-loose lock accessory and sealing anti -drop piece, so that the support component connection of the device is more closely, more reliable limit, can maintain inner frame structure stability for a long time, reduce the trouble caused by loosening misplacement, at the same time, the multi-dimensional sealing anti -drop design of the device setting, so that the fixation of sealing cover is more firm, sealing is more comprehensive, can significantly reduce the risk of water seepage, prolongs the service life of inner frame internal element.

The breathing machine comprises a main machine and a humidifying tank, the main machine is provided with an inserting base, the humidifying tank is provided with an inserting section, the inserting section can be in inserting fit with the inserting base in the first direction and can be separated from the inserting base in the second direction opposite to the first direction, and the inserting section is provided with an air outlet adapter pipe; the bayonet socket is provided with a receding groove extending in the first direction, so that when the humidifying tank is matched with the main machine in an inserted mode, the air outlet adapter pipe can enter the receding groove in the first direction. In the process of assembling and disassembling the humidifying tank, the protruding air outlet adapter tube does not need to be disassembled, and the humidifying tank inserted with the air outlet adapter tube can be integrally inserted into the bayonet socket, so that the assembling and disassembling steps of the humidifying tank are simplified, and the disassembling step of the air outlet adapter tube in the process of assembling and disassembling the humidifying tank is omitted. In addition, the risk that internal water leaks from the air outlet due to shaking of the humidifying tank is avoided, the cleaning burden of a user is reduced, and the use experience is improved.

The utility model provides a road test detection device for pavement deflection detection, and relates to the technical field of pavement deflection detection, the road test detection device comprises a frame body and a measuring assembly, the frame body comprises a connecting frame A and a connecting frame B, and gradienters are fixed on the connecting frame A and the connecting frame B. According to the road test detection device for pavement deflection detection, the connecting frame A and the connecting frame B can be in threaded connection together through cooperation of the threaded sleeve and the first threaded rod, higher fixing stability is provided through threaded connection, the situation that the detection precision is reduced due to the fact that the sliding fit clearance is too large or too small is avoided, mounting and dismounting are convenient, and the practicability is high. And a second threaded rod can be screwed into a storage threaded hole by rotating a fixed column, so that storage of the connecting frame A, the connecting frame B, the second threaded rod, the fixed column, a third threaded rod and the bottom plate is realized, the storage design of the device is optimized, and the storage convenience is improved.

The utility model provides a welding gun support of welding equipment, which belongs to the technical field of welding and comprises a bottom plate, a mounting hole formed in the surface of the bottom plate, a connecting rod inserted in the center of the mounting hole, a limiting component fixedly mounted on the surface of the bottom plate, and a placing component matched with the limiting component for use, the limiting assembly comprises a fixing frame fixedly installed on the surface of the bottom plate, a fixing hole formed in the side surface of the fixing frame, and a connecting plate making contact with the fixing frame. Through the arrangement of the limiting assembly, effective combination of stability and flexibility is achieved, meanwhile, heat dissipation protection is enhanced, the fixing stability of the welding gun is improved, displacement and shaking in the welding process are reduced, and welding precision is guaranteed; the position of the welding gun can be quickly determined and adjusted through the adjustable placing assembly, and the welding efficiency is improved; and due to the arrangement of the multi-layer structure of the placing blocks, the heat resistance and the heat dissipation performance of the bracket are effectively improved.

The utility model relates to the technical field of corrugated beam steel guardrail installation, in particular to an auxiliary tool for installing a corrugated beam steel guardrail. According to the technical scheme, the auxiliary tool for installing the corrugated beam steel guardrail comprises a guardrail hoisting and adjusting assembly and further comprises a pushing tool car. A pushing tool car is arranged on one side of the guardrail hoisting adjusting assembly; the guardrail hoisting adjusting assembly comprises a servo motor, an angle adjusting block, an arc-shaped connecting shaft, a corrugated beam steel placing frame, an air cylinder back plate, a clamping air cylinder, an anti-slip strip and a pneumatic rod. The corrugated beam steel guardrail penetrates through the holes in the corrugated beam steel placing frames to be fixed, then the servo motor drives the angle adjusting block and the arc-shaped connecting shaft to rotate, and therefore the relative horizontal inclination angle of the two corrugated beam steel placing frames is driven to achieve the guardrail positioning and adjusting function.

The utility model provides a kind of traditional Chinese medicinal material wildness imitated rock wall planting fixing device.The traditional Chinese medicinal material wildness imitated rock wall planting fixing device includes: base and be used for fixing plant U-shaped limiting component in the base upper portion;First U-shaped block is fixedly installed on the base;Connecting block is rotatably installed on the first U-shaped block;First telescopic rod is fixedly installed on the connecting block top for adjusting the height of U-shaped limiting component;Fixed block is fixedly installed on the first telescopic rod top end;Second telescopic rod is rotatably arranged on the side of the fixed block for horizontally adjusting U-shaped limiting component.The traditional Chinese medicinal material wildness imitated rock wall planting fixing device provided by the utility model is designed with height-adjustable, multi-angle fixing and self-adaptive limiting, effectively solves the problem that traditional fixing device cannot adapt to plant growth and is complicated to operate.

This utility model provides a hydraulic locking device for positioning heavy cargo on ships, belonging to the field of cargo positioning and locking technology. It includes two fixed seats; each fixed seat is secured to the ship by four fixing screws. A base block slides on the fixed seat, and a wooden compression block is provided inside the base block. A first hydraulic cylinder on the fixed seat drives the base block to move. A second hydraulic cylinder is hinged to the base block, and its extended end is connected to a connecting seat. Steel wire ropes are connected to the front and rear connecting seats respectively. A guide rod is welded to the base block, and a hexagonal adjustment groove is provided at the adjustment point of the fixing screw. An auxiliary groove is opened on the fixed seat to hide the fixing screw. This device achieves double locking through the compression block and steel wire rope, improving the fixing stability. The wooden compression block prevents damage to the cargo, the guide rod ensures structural stability, and the auxiliary groove facilitates timely detection of screw loosening, solving the problems of poor fixing effect, fragile cargo, and difficulty in detecting component loosening in existing devices.

The invention discloses a fixing structure and a fixing method for caisson dragging equipment, and relates to the related field of caisson dragging equipment.The fixing structure comprises a fixing steel frame, a rear plate is fixed to the back of the fixing steel frame, a U-shaped attaching block is embedded into the inner side of the rear plate, and the outer side of a stabilization mechanism acts on the outer side of a cable; the stabilization mechanism synchronously acts along with the locking mechanism through meshing transmission of the fixed rack and the rotating gear, and a rotating roller of the stabilization mechanism elastically clamps the cable so as to buffer shaking force. According to the fixing structure for the caisson dragging equipment and the fixing method, the U-shaped attaching block is matched with the anti-skid pad and is combined with the locking bolt to be fixed to the rear plate, it is guaranteed that the fixing steel frame and the caisson foundation are stably connected, and displacement is avoided; the locking mechanism is in linkage with the stabilization mechanism, and the sliding block moves to drive the fixed rack, the rotating gear and other components to operate, so that the rotating roller is synchronously attached to the cable, cable shaking in the dragging process is reduced, and damage caused by stress point change is avoided.

This utility model relates to a connector with a split snap-fit ​​structure, which employs a snap-fit ​​structure fixed on one side of the connector body; a stop structure fixed on the connector body on one side of the snap-fit ​​structure; and a cable tie through-hole structure on the other side of the connector body. The snap-fit ​​structure snaps into and fixes the entire connector; then a cable tie is inserted for secure binding. The connector snap-fit ​​improves the fixing method of the bracket base and cable tie, preventing the adapter from being loosely fixed after assembly and eliminating safety hazards such as falling off after installation. The connector snap-fit ​​product is designed with a slot structure and a slot positioning structure: after the slot structure is installed in place, it is fixed to the bracket base by the positioning structure, forming an inverted snap structure, thereby increasing the pull-out force of the connector snap-fit ​​and meeting the assembly strength requirements. The connector snap-fit ​​product design changes the traditional fixing method of the bracket base and cable tie.

The invention provides a fixing mechanism for guaranteeing the safety of a curtain wall aluminum alloy line, belongs to the technical field of mounting and fixing, and solves the problem that the appearance is influenced by unevenness, dust accumulation and pollution of the surface of the curtain wall aluminum alloy line mounted by a buckle due to the adoption of an exposed screw. The fixing mechanism for guaranteeing the safety of the curtain wall aluminum alloy line comprises a building curtain wall, a corner connector is fixedly arranged at the corner of the building curtain wall through a long expansion bolt, the cross section of the corner connector is in an L shape, sliding grooves are formed in the two sides of the outer wall of the corner connector, clamping grooves are formed in the sliding grooves, and the fixing mechanism further comprises an aluminum alloy line, two clamping assemblies and two connecting reinforcing assemblies; the clamping assembly is slidably connected into the connecting reinforcing assembly, two connecting rods are fixedly arranged on the inner wall of the aluminum alloy line, and a moving groove is formed in one side of each connecting rod. The curtain wall aluminum alloy line has the advantages that the curtain wall aluminum alloy line is installed through the buckle, exposed screws do not need to be adopted for reinforced connection, it can be guaranteed that the curtain wall aluminum alloy line is stably fixed, and installation hidden dangers do not exist.

The application discloses a tracheotomy fixing device and a control method thereof, and relates to the field of medical devices.The device comprises a fixing base assembly, an adjustable fixing belt system, an intelligent monitoring and adjusting module, a pressure sore prevention auxiliary structure and a wireless communication module.The fixing device can realize real-time acquisition of pressure data in the fixing area through a pressure sensor array, analysis and processing of the pressure data by an intelligent control unit, automatic adjustment of the tightness of the fixing belt by driving an electric adjusting actuator when an abnormal pressure trend is identified, and output of graded alarm information by an alarm unit, so that stable fixation of a tracheal cannula and safe management of pressure are realized.The fixing device can also improve the skin contact environment through a pressure reduction and air permeation structure, reduce the risk of pressure sores, support data interaction with a nursing terminal, and improve nursing efficiency.The application can realize a change from passive fixation to active safety management, and has good clinical application value.

The utility model relates to pipe fitting cutting technical field discloses a pipe fitting clamping mechanism for band saw cutting device, including first clamping mechanism and second clamping mechanism that set up in cutting table from left to right in proper order, first clamping mechanism includes the installation frame of left and right two ends opening, the installation frame has first clamping piece and second clamping piece from left to right in proper order, the first installation hole that the upper end of installation frame is opened has for the first cylinder stretches into, the piston rod of first cylinder passes through first installation hole and stretches into the inside of installation frame, second clamping mechanism includes support frame and fixed frame, support frame is fixed on fixed frame, the second installation hole that support frame is opened has for the piston rod of second cylinder stretches into, the piston rod of second cylinder passes through second installation hole and stretches into down and is fixedly connected with third upper circular arc clamping portion, the third lower circular arc clamping portion that fixed frame is located third upper circular arc clamping portion's just below is provided with.

This utility model discloses a wear-resistant automotive steering gear, comprising a main body, with steering tie rods fixedly mounted on both sides of the main body. A leak-proof bellows is sleeved on the outer side of each steering tie rod, with one side of the leak-proof bellows fixedly installed to the side of the main body. Outer annular plates are fixedly connected to both ends of the outer side of the main body, and a fixing sleeve is provided on the outer side of one end of the leak-proof bellows. This wear-resistant automotive steering gear achieves stable horizontal fixation of one end of the leak-proof bellows through a snap-fit ​​structure between the limiting plate on the inner side of the fixing sleeve and the limiting groove on the outer annular plate. This design effectively resists horizontal displacement caused by vibration and impact during vehicle operation, significantly improving fixation stability. The sealing gasket fixedly connected to the inner wall of the irregular groove and the tight fit design with the outer surface of the leak-proof bellows form a reliable sealing interface, effectively preventing oil leakage from the fixing point and further enhancing the leak-proof effect.

The utility model discloses a wire connector of a limit switch, which belongs to the technical field of wiring equipment and comprises a limit switch body and a processor, U-shaped frames are fixedly connected to the back of the limit switch body and the back of the processor, threaded holes are formed in the two sides of each U-shaped frame, and the limit switch body and the processor are arranged in the threaded holes. The two sides of the U-shaped frame are in threaded connection with adjusting bolts matched with the threaded holes, a first inserting groove is formed in the back face of the limiting switch body, a first inserting head is inserted into the first inserting groove, and limiting pipes are fixedly connected to the surfaces of the first inserting head and the second inserting head. The opposite ends of the two adjusting bolts are fixedly connected with limiting rings matched with the limiting pipes. According to the utility model, through the arrangement of the limiting ring, the plug is effectively prevented from loosening or falling off under the action of vibration or external force, the reliability and stability of wiring are improved, the mounting and dismounting processes are simplified, the working efficiency is improved, and through the arrangement of the limiting rod, the fixing stability of the device is improved.

The utility model relates to an auxiliary tool for assembling automobile rear seats, which belongs to the technical field of auxiliary tools for assembling seats and comprises a tool frame and an auxiliary table, and fixing mechanisms for clamping the front surface, the back surface, the left side, the right side and the center of an automobile seat frame are arranged on the inner side of the auxiliary table; the fixing mechanism comprises air cylinders fixedly connected to the left side and the right side of the auxiliary table, a clamping frame is fixedly connected to the outer side of a push plate, a clamping arm is hinged to the inner side of a hinge frame, the front end of a push block is hinged to the outer side of the clamping arm, and a buffering assembly used for buffering and damping during assembling is arranged on the inner side of the tool frame. According to the auxiliary tool for assembling the automobile rear row seats, the fixing mechanism is arranged, the left side and the right side of an automobile seat frame are clamped and fixed, middle clamping is achieved, a worker can conduct assembling conveniently, meanwhile, the front end and the rear end of the automobile seat frame are clamped and fixed, the fixing stability is enhanced, and the assembling quality is guaranteed.

The application discloses a kind of for multiple liquid shunt water tank on industrial unmanned plane, including water tank body, two independent water storage compartments are equipped in water tank body, and two independent water storage compartments include the first liquid storage chamber and second liquid storage chamber equipped, independent inlet and outlet are equipped between the first liquid storage chamber and second liquid storage chamber, the first liquid storage chamber and second liquid storage chamber are all arranged in the middle part in water tank body, and the first liquid storage chamber and second liquid storage chamber are fixed by column, gasket and locating nut and connected in the middle part in water tank body, the application has two independent water storage compartments, can accommodate multiple liquids simultaneously, and is transported by two different pipelines;And the first liquid storage chamber and second liquid storage chamber are fixed by column, gasket and locating nut and connected in the middle part in water tank body, even if liquid reduces, overall stability is not influenced.

The utility model relates to the technical field of gold alum raw material dissolution, and provides gold alum test raw material dissolution equipment which comprises a magnetic stirrer, and a dissolution bottle limiting assembly is arranged on one side of the magnetic stirrer; the limiting assembly comprises a guide rod fixedly connected to one side of the magnetic stirring machine, the upper end of the guide rod is fixedly connected with a threaded rod, the outer wall of the threaded rod is sleeved with a threaded sleeve in a threaded mode, the lower end of the threaded sleeve is rotationally connected with an extrusion ring, and the lower end of the extrusion ring is fixedly connected with a resistance spring; the conical flask clamping device has the advantages that conical flasks with different heights and diameters can be elastically clamped by rotating the threaded sleeve, contact pressure is guaranteed to be uniform through the design of the resistance spring, damage to a flask body due to rigid extrusion is avoided, the inclined structure on the inner side of the limiting ring is matched with the conical degree of the conical flasks, and the friction contact area is reduced by combining the strip-shaped blocks; the fixing stability is improved, meanwhile, the contact area of the limiting ring and the conical flask is reduced, follow-up disassembly is facilitated, the structure is simple, and use is convenient.

The utility model relates to the technical field of circuit board production, and particularly discloses a circuit board milling groove clamping device which comprises a supporting box body, two limiting columns are fixedly connected to the interior of the supporting box body, two sliding rings are slidably connected to the outer portions of the limiting columns, and a connecting plate is fixedly connected to the outer portions of the two sliding rings. A mounting plate is fixedly connected to the close sides of the two connecting plates, two limiting plates are slidably connected into the mounting plate, a sliding groove is formed in the mounting plate, fixing plates are fixedly connected to the exteriors of the limiting plates, a sliding groove is formed in the top of each fixing plate, fixing columns are fixedly connected to the exteriors of the connecting plates, and driving assemblies are fixedly connected to the close sides of the two fixing columns. When the clamp is used, the motor of the driving assembly is started to drive the two-way threaded rod, so that the internal threaded blocks move oppositely, the fixed plate is pulled to shorten the distance for adaptation, time and energy consumption of frequent disassembly and reassembly of the clamp by operators are reduced, cost and clamp abrasion are reduced, and production efficiency is improved.

The invention provides a transfer cart for galvanized steel coil production, and belongs to the technical field of transfer carts. Comprising a trolley, an inner supporting assembly is arranged on the trolley, a guide fixing assembly is arranged at the front end of the inner supporting assembly, a lifting table is arranged below the inner supporting assembly, a bottom fixing assembly is arranged on the lifting table, anti-cracking assemblies are arranged on the two sides of the bottom fixing assembly, and a steel coil can be placed on the inner supporting assembly. And a hydraulic power system is arranged in the trolley. A bevel gear set is driven by a motor to adjust a guide block to be matched with the inner diameter of a steel coil, the steel coil is guided to be accurately arranged on an inner supporting assembly in a sleeving mode, alignment time consumption and operation difficulty are reduced, the steel coil is fixed through the inner supporting assembly and a bottom fixing assembly, the sliding risk is reduced, and an arc-shaped plate rotates around the axis to be attached to the side face of the steel coil to form lateral protection; and the end face fixing plate is embedded and connected in a reinforced mode, and the problem of cracking caused by vibration and inclination in the transferring process is effectively avoided.

This utility model discloses a finned structure for a marine heat exchanger, relating to the field of heat exchanger fin technology. It includes a heat exchanger body with finned bodies fixedly connected to its outer side. A protective plate is snapped onto one side of the heat exchanger body, and a first slot is formed on one side of the protective plate, extending into the interior of the heat exchanger body. Using this structure, the presence of the first locking block allows a second locking block to be inserted into a circular slot. By adjusting the second locking block to a non-corresponding angle with the second slot, the second locking block can be effectively engaged, preventing displacement of the protective plate and thus fixing its position. When the heat exchanger body needs to be disassembled later, the second locking block is first adjusted to a corresponding angle with the second slot, and then the first locking block can be directly pulled out, allowing the protective plate structure to be disassembled for convenient disassembly and assembly of the heat exchanger body.

The invention relates to the technical field of medical auxiliary instruments, in particular to an osteoarthritis traditional Chinese medicine application fixing device which comprises a patella positioning plate, and elastic flexion and extension adaptive blocks are slidably connected to notches in the two sides of the patella positioning plate; an annular compression air bag part is embedded in the patella positioning plate, strip-shaped air bag parts are arranged on the flexion and extension adaptive blocks, and ointment layers are arranged at the bottoms of the annular compression air bag part and the strip-shaped air bag parts; a telescopic fastening assembly is detachably installed at the bottom of the patella positioning plate, the strip-shaped air bag pieces communicate with the annular compression air bag piece, and the annular compression air bag piece communicates with an inflation part. According to the invention, the patella positioning plate is constructed as a reference, the flexion and extension adaptive block is used as a dynamic compliance unit, and the annular pressure air bag piece and the strip-shaped air bag piece which are communicated with each other are combined with the inflation part to form a pneumatic adaptive adjustment system, so that the ointment layer is always tightly attached to the joint skin in the joint flexion and extension movement process; the problem that the attaching stability of a traditional pasting type application is ineffective due to skin extension and bone displacement is solved.