29results about How to "The removal process is smooth" patented technology

The invention relates to the technical field of lithium carbonate preparation, in particular to precipitation treatment equipment for lithium carbonate preparation, which comprises a washing box, a feeding mechanism and a pretreatment mechanism are arranged on the washing box, stirring mechanisms are arranged on two sides of the washing box, and a suction filtration mechanism is arranged on the lower side of the washing box; the lithium carbonate filter cake can be rapidly fed into the washing box through the feeding mechanism, and the washed high-purity lithium carbonate precipitate can be stably taken out of the washing box; according to the invention, through the pretreatment mechanism, lithium carbonate filter cakes can be quickly dispersed and synchronously showered; the pretreatment mechanism and the stirring mechanism are matched to fully stir, mix and wash the lithium carbonate filter cake precipitate and the washing liquid, so that the overall washing effect on the lithium carbonate precipitate is ensured, and meanwhile, the washing liquid absorbing impurities can be quickly extracted from the lithium carbonate precipitate through the suction filtration mechanism.

The invention relates to the technical field of charging piles, and discloses a charging pile with a cable convenient to stretch out and draw back, the charging pile comprises a charging pile body, a fixing plate is fixedly assembled on the side surface of the inner wall of the charging pile body, the inner wall of the fixing plate is fixedly sleeved with a conductive slip ring, and the bottom of the inner wall of the fixing plate is rotatably connected with a bottom plate; a first electromagnet plate is fixedly assembled at the bottom of the inner wall of the bottom plate, and a first spring is fixedly connected to the top of the first electromagnet plate. When a user holds the charging head, the contact sensor controls the motor to drive the driving gear to rotate, so that the driving gear drives the top plate to rotate through the convex tooth ring, the top plate drives the bottom plate to rotate, and the electromagnet plate I and the electromagnet plate II are electrified, so that the charging head can be charged through mutual adsorption of the electromagnet plate I and the electromagnet plate II. And therefore, the arc-shaped baffle is assisted to move into the inner walls of the bottom plate and the top plate, and when the cable body is stored, the side surface of the arc-shaped baffle assists in limiting the winding path of the cable body.

The utility model relates to the field of rice detection, and discloses a sampler for rice detection, which comprises a sampling rod, fixed handles are symmetrically and fixedly mounted at the top of the sampling rod, a placement groove is formed in one side of the outer surface of the sampling rod, a storage pipe is rotatably mounted in the placement groove, and a storage groove is formed in the middle of one side of the storage pipe. Storage grooves are equidistantly welded to one side of the inner wall of the storage groove, an outer rotating rod is welded to the position, extending out of the sampling rod, of the top end of the storage pipe, a limiting frame is fixedly installed at the position, located on the outer surface of the outer rotating rod, of the sampling rod, and a limiting mechanism is further arranged in the limiting frame; according to the device, the sampling rod is matched with the storage pipe to sample a rice pile, so that the effect of stably taking out the sampled rice is achieved, the overall sampling effect of the rice is improved, the problem that rice samples with different depths are mixed with other rice is solved, and the rice detection accuracy is improved.

The utility model provides a pair of no-damage cervical forceps with a protection function, which relates to the technical field of medical instruments and comprises two forceps bodies, the two forceps bodies are arranged in a crossed manner, are arranged in opposite directions and are rotationally connected through a rotating shaft; the handle is arranged on one side of the bottom of the clamp body and used for controlling opening and closing of the clamp body; and the retarding assembly is arranged in the handle and is used for retarding the opening speed of the clamp body. According to the cervical clamp, the maximum opening and closing speed and the opening speed of the clamp body can be limited at the same time through the retarding assembly, the situation that a patient is hurt due to the fact that the opening speed of the clamp body is too high or the opening angle is too large is prevented, meanwhile, tissue blocks can be rapidly clamped and adsorbed through the clamping assembly, and the clamping efficiency is improved. The tissue blocks can be taken out more stably by utilizing the dual effect, and the use stability of the device is improved.

The utility model relates to the field of kits, in particular to a kit capable of being horizontally adjusted. The utility model provides a kit capable of being horizontally adjusted, which can improve the opening stability and effectively protect a reagent tube at the same time. The utility model discloses a kit capable of being horizontally adjusted. The kit comprises a kit body, side plates, a protection seat and an adjusting mechanism, according to the utility model, the cover plate in the corresponding direction can be directly pulled open according to the position of the required reagent tube, the movable frame can slide along the guide post in the pulling-open process, and the reagent tube can be directly taken out after the cover plate is pulled open, so that on one hand, the whole kit cannot shake, and the reagent tube can be taken out more stably; on the other hand, the kit is not completely opened, so that other reagent tubes can be effectively protected.

The present invention provides a high-pressure grouting molding equipment and molding method, which relates to the technical field of ceramic grouting molding, including: a frame, a support table, a fixed mold body, a top hanger, a mold electric cylinder, a movable mold body, a control box, a high-pressure grouting pump, an atomizing booster pump, a supporting seat, a flip frame and a connecting hanger; the top of one end of the frame is horizontally fixedly docked with a support table; the top end of the support table is vertically fixedly provided with a fixed mold body; the upper end of the fixed mold body is horizontally fixed with a top hanger. The present invention adopts a design combining a fixed mold body with a movable mold body, which realizes the rapid docking and separation of the mold. The movable mold body is driven to move by an electric cylinder, so that the assembly and disassembly process of the mold is more automated and convenient, and the production efficiency is improved. At the same time, the movable mold body is consistent with the fixed mold body in structure, which ensures the accuracy and stability of the mold, thereby ensuring the quality of the grouting molding embryo.

The utility model relates to the technical field of automobile chips, and discloses an automobile chip dismounting device which comprises a top seat, two guide rod sets are symmetrically and fixedly installed at the bottom end of the top seat, the guide rod sets are sleeved with guide blocks in a sliding mode, and reset springs are fixedly connected between the top seat and the guide blocks. A carrying seat is fixedly mounted at the bottom end between the two guide blocks, a micro air pump is fixedly mounted on the carrying seat, an air inlet port of the micro air pump is fixedly communicated with an air suction pipe, a suction nozzle is fixedly connected to the bottom end of the air suction pipe, and a fastening kit is arranged between the carrying seat and the suction nozzle; according to the utility model, an automobile chip can be conveniently, rapidly, stably, vertically and upwards taken out from a circuit board, and the operation process during the disassembly of the automobile chip is simplified, so that the use convenience is improved, and the disassembly working efficiency of the automobile chip is improved.

The utility model relates to the technical field of garbage collection and discloses an unsheltered large-opening garbage can which comprises a garbage can body, the garbage can body comprises an inner can and an outer can, the outer surface of the inner can is connected with the outer can in a sliding mode, and a plurality of first limiting protruding blocks are installed on the upper portion of the inner wall of the outer can in an array mode. An opening accessory is detachably connected to the interior of the opening of the outer barrel, and a plurality of limiting structures matched with the first limiting protruding blocks are installed on the outer surface of the lower portion of the opening accessory in an array mode. After the open accessory is used for a long time and stains are generated on the surface, the open accessory is rotated to enable the limiting structure to be separated from the first limiting protruding block, the open accessory with the small size can be independently taken down to be cleaned, and compared with an outer barrel with the large size, the cleaning process of the open accessory with the small size is more convenient and simpler.

This invention provides a pin acquisition device and a pin acquisition method that can reliably acquire a portion of pins from a plurality of pins. The pin acquisition device (1) vibrates a pin holding part (3) with a groove (6) to make a plurality of pins jump up. A plurality of pins are held in place by an adsorption arm (10) that holds the jump-up pins in an upright position. The bottle part is vibrated and a single pin is discharged through an insertion hole provided on the bottom surface of the internal space. One end of the single pin contacts a stop (40) to hold the single pin in an upright position. The stop (40) is provided at a distance from the outlet of the insertion hole that is shorter than the total length of the pin in the pin discharge direction.

The utility model relates to the technical field of magnetic core processing, in particular to a cylindrical magnetic core feeding mechanism which comprises a base, a base plate is slidably connected to the interior of the upper side of the base, a bearing seat is fixedly connected to the upper side of the base plate, a charging barrel is fixedly connected to one end of the bearing seat, and a hydraulic telescopic arm is fixedly connected to the other end of the bearing seat. A sliding groove is formed in the upper side of the base, and anti-disengaging grooves are formed in the two side plates of the base. According to the cylindrical magnetic core feeding mechanism, through the arrangement of the first rotating motor, the rotating table and the clamping block, when the base plate moves to the horizontal feeding position, the hydraulic telescopic arm moves up and down to drive the clamping block to stretch into the material barrel to take out a cylindrical magnetic core, and the first rotating motor drives the rotating table to rotate circumferentially after being started; therefore, the cylindrical magnetic core taken out by the clamping block at one end of the rotating table is driven to rotate, the cylindrical magnetic core is adjusted to the feeding angle needed by production, and the feeding requirements under different conditions and angles are met.

This invention discloses an automatic basis removal method for structured light point clouds based on frame-by-frame analysis, specifically relating to the field of structured light 3D scanning point cloud processing. It addresses the problem of erroneous or insufficient basis removal caused by confusion between the basis and the bottom boundary of an object during structured light scanning. The method involves acquiring the current frame point cloud and generating depth and height maps to determine the usable area, extracting candidate planes, and combining them with the basis model to determine the basis reference surface and the basis candidate point set. A basis mask for the current frame is constructed and its consistency with the previous frame's basis mask is evaluated across frames. A fringe consistency weight map is generated, and the normal reliable bandwidth and circumferential coherence angular path are calculated to update the basis stability probability. A stable basis mask and a mask for undetermined zones are then defined. Based on the stable basis mask, basis points are removed while the undetermined point set is retained. Further boundary consistency verification is performed on the initial basis-removed point cloud. Backfilling or removal is performed on the undetermined point set, and the final basis-removed point cloud is output, updating the basis model and the previous frame's basis mask.

The invention discloses an automobile part stamping die and a using method, and relates to the field of part stamping, the automobile part stamping die comprises an upper die base and a lower die base installed at the bottom of the upper die base, a material taking mechanism is installed on one side of the upper die base, and a moving mechanism is installed on one side of the lower die base. Through the lifting and rotating functions of the rotating rod, stable and efficient taking-out and accurate transferring of a workpiece are achieved, the rack drives the gear to rotate, then the rotating sleeve and the rotating rod are driven to rotate by 180 degrees, meanwhile, lifting is achieved, the suction cup makes contact with and takes out the workpiece on the lower die base, and under the cooperation of the limiting groove and the fixing rod, the workpiece is taken out. The rotating rod ensures the accuracy of the position of the workpiece, the workpiece is rapidly moved to the set position, subsequent procedure machining is facilitated, the conveying efficiency and the automation level are greatly improved, and the overall efficiency of a production line is optimized.

The invention provides an atomizer rapid assembling device which comprises an accessory area, a finished product box and a composition board, the accessory area is arranged on one side of the bottom of the composition board, the finished product box is arranged on the other side of the bottom of the composition board, the accessory area is composed of a tobacco stem box and an atomizer box, and the tops of the tobacco stem box and the atomizer box are fixed and connected with the bottom of the composition board in a communicating mode. The top of the finished product box and the bottom of the composition plate are fixed and connected in a conducting mode, and a feeding port is formed in the top of the finished product box. In order to solve the problem that manual assembly is needed for connection between an existing electronic cigarette atomizer and a cigarette rod, so that the production efficiency of electronic cigarettes is greatly reduced; and in the assembling process, the orientations of the cigarette rod and the atomizer cannot be distinguished, so that the operation steps in the assembling process are increased.

The invention relates to the field of multifunctional transfer trolleys, in particular to a multifunctional integrated electric transfer trolley which comprises a transfer trolley body, a turnover platform, a fixing seat, a limiting ring and the like. A turnover platform with a placement surface always kept horizontal is mounted on the transfer trolley, and a breathing machine and a monitor are arranged on the turnover platform; the transfer trolley is detachably connected with a fixing base, and the middle of the fixing base is sunken downwards. The upper surface of the fixed seat is made of a flexible deformation material; a limiting ring used for limiting rotation of the head of a child is rotationally connected to the fixing base, and the inner ring face of the limiting ring is wrapped with a layer of soft material. The head of a child is sleeved with the limiting ring, the head of the child can still rotate after the child sleeps soundly, the comfort level of the child is improved, meanwhile, a limiting block of the limiting ring is blocked and limited through a first limiting rod, the acupuncture position is made to face upwards all the time, and the situation that the acupuncture position is pressed, blood vessel occlusion occurs, and pain and discomfort of the child are caused is avoided.

The utility model relates to ceramic teapot technical field, specifically disclose a ceramic teapot convenient to filter residue, including teapot body and the spout that sets up at teapot body top, the inboard fixedly connected with the boss of spout, the inboard detachable connection has the filter basket of boss, the top of filter basket outwardly turns over and forms the flanging of the top, the flanging overlaps the upper end surface of boss, the upper end surface fixedly connected with the vertical ring of flanging, the inboard detachable connection has the pot lid of spout, the pot lid is hollow structure and left and right sides are all penetrated and slide and are connected with the movable rod of activity, solved the security risk of traditional take and place scalded hand of filter basket teapot, through the linkage clamping mechanism built -in of pot lid, realized the function that it can be safely, conveniently, stably taken out without barehanded contact high temperature filter basket, intuitive and labor saving in the operation process and automatic reset, improve use security and convenience, clever structure, strong practicality, significantly improved the tea -making experience of user.

The utility model discloses a hub taking-out structure of a hub casting production line, which relates to the technical field of hub casting production and particularly comprises a fixing frame, a lifting structure is arranged on the upper end face of the fixing frame, two rotating shafts are rotatably mounted on the lower end face of the fixing frame, and an adjusting structure is arranged between the two rotating shafts and the fixing frame. Through the arrangement of the first hydraulic cylinder, the driving air cylinder, the rack, the gear, the fixing assemblies, the rotating shafts and other components, the angle of the two fixing assemblies is adjusted through mutual cooperation of the first hydraulic cylinder and the fixing assemblies in the working process, and therefore a hub is fixed; and the driving air cylinder, the rack component and the gear component are matched with one another, so that the fixing assembly is adjusted to rotate along the rotating shaft, corresponding adjustment is made according to the size of the rim and the shape of the spoke, and the process of taking out the hub is more stable.

The utility model discloses a gradually-pushing type servo rejecting device, and relates to a rejecting device. Comprising a rejector body and a shell, the rejector body is arranged in the shell, a main photoelectric support, a photoelectric device and a front protection plate are installed on the front side of the shell, a fixing support is installed below the shell, adjusting supporting legs are arranged at the bottom of the fixing support, and the shell is arranged at the top of the fixing support through a fixing support connecting plate; and an electric appliance control cabinet is arranged behind the shell. According to the automatic rejecting device, rejecting signals can be output after inferior-quality products are detected by online detection equipment, the gradually-pushing type servo rejecting device receives the signals and accurately rejects the inferior-quality products, the problems of bottle falling, bottle clamping, bottle explosion and the like are solved in the rejecting process, meanwhile, relevant parameters can be set only through an operation screen, and mechanical position adjustment is not needed any more according to different products; the production efficiency and the safety of operators and products are greatly improved, and meanwhile secondary pollution of the products is avoided.

The utility model discloses a control cabinet distribution board fastening assembly which comprises a cabinet body, a distribution board body is arranged in the cabinet body, limiting grooves are fixedly formed in the two sides of the top of the distribution board body, a rotating wheel is arranged on the right side of the cabinet body and close to the top of the cabinet body, and a threaded rod is fixedly installed on the left side of the rotating wheel. The other end of the threaded rod is rotationally connected with the left side of the inner wall of the cabinet body through a bearing, opposite threaded grooves are formed in the threaded rod, threaded blocks are in threaded connection with the outer portion of the threaded rod and close to the two ends of the threaded rod, L-shaped limiting rods are fixedly installed at the bottoms of the threaded blocks, and the L-shaped limiting rods and the limiting grooves are clamped and matched with each other. According to the utility model, through the cooperation of the above structures, the rapid clamping of the distribution board body is realized, thereby facilitating the disassembly and assembly of the distribution board body by a worker, and further improving the maintenance efficiency of electrical elements on the distribution board.

The utility model relates to the technical field of heat treatment devices, and discloses a high-carbon steel heat treatment device which comprises a base and induction heating coils, the induction heating coils are fixed on the two sides of the top of the base, linear electric sliding rails are arranged on the ground at the two ends of the induction heating coils, and sliding seats are arranged on the tops of the linear electric sliding rails. The linear electric sliding rails at the two ends of the induction heating coil drive the sliding seat to move at the same time, so that components above the sliding seat are driven to move together, the components are driven to move, the components are driven to move, the components are driven to move, and the components are driven to move along with the sliding seat, so that the components are driven to move along with the sliding seat, and the components are driven to move along with the sliding seat. Therefore, the position of the material relative to the induction heating coil is adjusted, and local heat treatment of different parts of the material is facilitated.

The utility model discloses a fungus culture box, which relates to the field of fungus culture and comprises a box body, a controller arranged at the top of one end of the box body, a ventilator arranged at the bottom of the controller and matched with the inside of the box body, a water tank arranged at the bottom of the other end of the box body, and a connecting pipe arranged at the top end of the water tank and matched with the inside of the box body. Spraying heads are arranged at the bottom ends of the connecting pipes, lifting assemblies matched with the interior of the box body are arranged at the bottoms of the spraying heads, a supporting plate matched with the interior of the box body is arranged at the bottom ends of the lifting assemblies, a telescopic assembly matched with one side of the interior of the box body is arranged on one side of the supporting plate, and a temperature sensor is arranged on one side of the interior of the box body. And a humidity sensor is arranged at the top of the other side in the box body. Under the action of the lifting assembly, the growth efficiency of edible mushrooms is ensured, the distance between the edible mushrooms is adjusted according to the growth height of the edible mushrooms, the quality of the edible mushrooms is improved, and the working intensity of operators is reduced.

The utility model relates to the technical field of casting of precision parts, and discloses a forming device for casting of precision parts, which comprises a workbench, a cavity is arranged in the workbench, a cooling component is fixedly connected in the cavity, a mold groove is arranged on the surface of the workbench, a cooling groove is arranged in the mold groove, and the cooling component is fixedly connected with the cooling groove. And an ejection assembly is fixedly connected to the bottom face of the mold groove, buffering assemblies are fixedly connected to the two sides of the surface of the workbench, and the cooling assembly comprises a water storage tank fixedly connected to the interior of the cavity. According to the forming device for casting the precision parts, through the arrangement of the cooling assembly, when the forming device is used, a water pump is started, the water pump pumps out cooling liquid in a water storage tank, the cooling liquid enters a cooling tank through a water inlet pipe, the cooling liquid flows in the cooling tank to cool a mold, and the flowing cooling liquid returns to the interior of the water storage tank through a water outlet pipe; and the cooling speed of the casting can be increased, the production period is shortened, and the production efficiency and productivity are improved.

The utility model discloses a permanent magnet material nickel dipping device convenient for uniform nickel plating, and relates to the field of nickel dipping devices, the permanent magnet material nickel dipping device comprises a placing box and a guide rod fixedly connected with the outer side of the placing box, the top end of the guide rod is fixedly connected with a top plate, a placing rack is arranged below the top plate, the bottom end of the placing box is fixedly connected with a partition plate through a buffer spring, and the partition plate is fixedly connected with the guide rod. And a rotary lifting mechanism for controlling the position and angle of the placing rack is arranged below the top plate at the output end of the driving motor. According to the permanent magnet material nickel immersion device convenient for uniform nickel plating, a workpiece is firstly placed in the placement frame, and the output end of a driving motor rotates, so that the driving motor can drive a cam to rotate through a belt pulley, and the cam can extrude an air blowing plate during rotation; and air in the first elastic air bag is extruded and discharged by the air spraying opening, air spraying and dust removal can be conducted on the workpiece placed in the placing frame through the air spraying opening, and dust and impurities in gaps of the workpiece are reduced.

This utility model provides a fixture for transformer testing, including a fixed platform, a rotating disk and a first driving assembly on the fixed platform, a clamping assembly on the rotating disk, and a base with a positioning groove and a slot. Two clamping blocks and two springs are symmetrically arranged on the base, each clamping block having a variable diameter portion. A through groove is also provided on the base, located between the two clamping blocks, with the variable diameter portions of the two clamping blocks extending into the through groove. The springs correspond to and abut against the clamping blocks, driving them to move closer to the positioning groove. A wedge block and a second driving assembly are provided on the fixed platform. When the rotating disk rotates to the position where the through groove aligns with the wedge block, the second driving assembly drives the wedge block to extend into or retract from the through groove. This utility model solves the technical problems of poor transformer stability on the fixture and inconvenient removal when the existing rotary worktable rotates, resulting in the technical effect of ensuring the transformer's stable position during testing and facilitating transformer placement and removal.

The invention discloses a multistage transportation device for glass wool, and relates to the technical field of glass wool transportation. The multi-stage laminated plate mechanism comprises a power cabinet, and a top layer plate is arranged on one side of the power cabinet; wherein a sliding rod is fixedly connected to one side of the top layer plate, a middle layer plate is arranged on one side of the sliding rod, an inclined groove is formed in the middle of the side, close to the top layer plate, of the upper end of the middle layer plate, an inclined block is arranged in the middle of the side, away from the inclined groove, of the middle layer plate, and an insertion block is arranged on one side of the inclined block; wherein a bottom layer plate is arranged below the middle layer plate, an adjusting plate is rotationally connected to the position, close to the middle of the sliding rod, of the bottom layer plate, a rotating seat is arranged on one side of the adjusting plate, and a shifting block is rotationally connected to the interior of the rotating seat, so that sequential distribution of glass wool is achieved through layer-by-layer ascending and layer-by-layer descending of the multi-layer plate mechanism; the glass wool is prevented from being excessively extruded, and the transportation efficiency of the glass wool is improved.

The utility model discloses a flexible rejecting device and rejecting detection equipment, the rejecting device comprises a shell, a rotating shaft and a driving part, the rotating shaft and the driving part are arranged in the shell, and an accommodating space is configured in the shell; the rotating shaft is arranged in the width direction of the shell and penetrates through the shell, one end of the rotating shaft extends out of the shell, and a removing part is arranged on the rotating shaft extending out of the shell; the driving piece is arranged in the length direction of the shell, and the driving piece is connected with the rotating shaft through a connecting piece; wherein a control switch assembly is arranged on the driving piece and used for controlling the driving piece to stretch out and retract back respectively; when the driving piece extends out, the removing part is driven to rotate to a first position; when the driving piece retracts, the rejecting part is driven to rotate to a second position, and more efficient and stable rejecting can be ensured by arranging two control switches; by arranging the connecting piece, the linear motion of the motor is converted into the rotary motion of the removing part, so that the removing part forms a removing curve, and the bottle falling phenomenon can be effectively avoided.

A limiting plate is fixed to the inner wall of a box body, one side of the box body is flexibly connected with a cover plate, a supporting plate is installed above the limiting plate, a plurality of corner protection strips are installed above the supporting plate, a rectangular opening is formed in the surface of the supporting plate, and a pushing assembly used for supporting a product is installed in the box body. When the box body is inverted, the convex part of the push block can eject out the product positioned in the corner protection strip through the rectangular opening to be suitable for a rectangular regular product, the ejected product can be conveniently and directly taken by a worker through a hand, the box body does not need to be inverted to take out the product, and the problem that the product falls and is damaged due to the inverted box body is prevented; and the product in the box body can be stably taken out without being dug out by a hand of a user.

The utility model discloses an auxiliary demolding device for injection molding production. The auxiliary demolding device comprises a mold base I, a mold base II and a demolding mechanism, a feeding groove is formed in the first mold base, a fixed mold groove is formed in the right side face of the first mold base, and the fixed mold groove communicates with the feeding groove; the left side face of the second die holder is fixedly connected with a fixed die block, the fixed die block and the fixed die groove are installed in a matched mode, an allowance hole is formed in the second die holder, and the left end of the allowance hole extends out of the left side face of the fixed die block; the demolding mechanism is arranged between the first mold base and the second mold base and comprises a demolding plate, four sliding holes, an avoiding groove, an ejector pin and a sliding column, and the four sliding holes are all formed in the second mold base. And technical instability or misoperation of operators during manual mold taking is avoided, meanwhile, contact between the operators and the mold can be reduced, and the injury risk is reduced.

The utility model relates to the field of medical instruments, in particular to a pair of cervix biopsy forceps with a clamping function, which comprises a fixed handle and a connecting part, the fixed handle is fixedly connected with the connecting part, the connecting part is rotatably connected with a movable handle, the connecting part is connected with an outer sleeve, a connecting rod is slidably connected in the outer sleeve, and the movable handle is connected with a pushing frame. One side of the outer sleeve is connected with a lower clamp head, the lower clamp head is rotatably connected with an upper clamp head, and the upper clamp head is rotatably connected with one end of a connecting rod. The upper plier head is held to be matched with the lower plier head in a rotating mode to clamp a sample body, the connecting rod can drive the second extrusion block to rotate to extrude the first extrusion block at the same time, after the second extrusion block crosses the first extrusion block, the upper plier head and the lower plier head just clamp the sample body, and at the moment, the first extrusion block abuts against the second extrusion block, so that the sample body is clamped. Therefore, the movable handle is limited through the connecting rod, looseness of the upper clamp head caused by re-movement of the movable handle is prevented, and an operator can conveniently and stably take out a sample body.

This invention discloses a device for removing a split key from a turbine crank arm, relating to the field of turbine crank arm split key installation technology. The device includes a guide component; a removal assembly comprising screws and a pushing component; and an anti-deviation component. This device achieves vertical guidance through the sliding engagement of the guide component with the split key. Combined with the anti-deviation component's synchronous drive of multiple pushing nuts, it ensures that multiple screws produce completely consistent axial displacement, thereby applying a uniform, coaxial pushing force to the split key. This design fundamentally eliminates the risks of key tilting, jamming, and keyway scratches caused by unilateral force application or uneven force in traditional removal processes. It enables the safe, non-destructive, and stable removal of damaged, enlarged split keys without prior removal of the end cap, significantly improving the reliability and success rate of maintenance operations.