685 results about "Fixed Slide" patented technology

The invention discloses a maglev engineering vehicle, which relates to the technical field of maglev vehicles, and comprises a first suspension frame unit, a second suspension frame unit and a third suspension frame unit, fixed sliding tables are arranged between the first suspension frame unit and the second suspension frame unit and between the first suspension frame unit and the third suspension frame unit, and the fixed sliding tables are fixed to a vehicle body; the transverse stabilizing mechanism comprises a first hydraulic cylinder and a second hydraulic cylinder, when the transverse stabilizing mechanism passes through a bent road section, the first hydraulic cylinder and the second hydraulic cylinder are disconnected to relieve transverse constraint, and the second suspension frame unit and the movable sliding table on the corresponding side of the second suspension frame unit as well as the third suspension frame unit and the movable sliding table on the corresponding side of the third suspension frame unit can rotate around the rotating center of the fixed sliding table on the corresponding side. When passing through a straight road section, the first hydraulic cylinder communicates with the second hydraulic cylinder to achieve transverse constraint, and the rigidity between the vehicle body and the suspension frame unit is guaranteed. According to the maglev engineering vehicle, the curve passing capacity and the curve passing balance stability of the maglev engineering vehicle can be improved.

A drawer slide rail assembly comprises a fixed slide rail and a movable slide rail, and a left-right adjusting mechanism is arranged between the fixed slide rail and the movable slide rail, the left-right adjusting mechanism comprises a fixed block and a movable block, the movable block is slidingly arranged on the fixed block, the fixed block is provided with an adjusting piece, the fixed block and the movable block are respectively connected with the adjusting piece in a matched mode, and the movable block slides on the fixed block through the adjusting piece. The left-right adjusting mechanism is independently arranged on the movable slide rail, is more simple and has a lower cost compared with the left-right adjusting mechanism between the existing drawer and cabinet, and is simple to assemble. The left-right adjusting mechanism is independently arranged on the movable slide rail, is more simple and has a lower cost compared with the left-right adjusting mechanism between the existing drawer and cabinet, and is simple to assemble. The left-right adjusting mechanism can adjust the left-right gap between the drawer and the cabinet without changing the assembly (appearance) between the drawer and the slide rail assembly, can make the product more beautiful and simple, and can improve the assembly effect.

The utility model discloses a large back-up roll welding system, which belongs to the technical field of welding, and comprises a plurality of welding machines and a fixed station, the welding machines are arranged on the fixed station and can move on the fixed station, the fixed station is provided with a fixed slideway and a movable chain, the movable chain is connected with a chain motor, and the side surface of the fixed station is provided with a fixed chain. A driven wheel making contact with the fixed sliding way and used for moving is vertically arranged at the bottom of the welding machine, a movable inserting plate capable of being inserted into the movable chain to achieve fixing is arranged on the welding machine, the side face of the welding machine extends downwards to be horizontally provided with a driving wheel, and the driving wheel is driven by a gear motor and meshed with the fixed chain in a matched mode. According to the utility model, the rapid walking of a single welding machine and the synchronous slow walking of all welding machines can be effectively realized, the welding synchronism of a plurality of welding machines is ensured, the problem that the single-layer welding thicknesses of different welding heads are different is solved, and the invalid waiting time is reduced.

The utility model discloses a yarn fluff adjusting device which comprises a machine frame, a mounting plate is fixed at the top end of the machine frame, one side of the mounting plate is connected with a spindle motor, a twisting sleeve is installed at the bottom of the spindle motor, a rotor is fixed at the bottom end of the twisting sleeve, a spinning wheel is arranged below the rotor, and the spinning wheel is connected with the spindle motor. The spinning wheel is connected with an adjusting assembly. By arranging the adjusting assembly, a worker can pull the sliding frame according to use requirements in the use process, so that the sliding frame moves along the rack through a sliding groove, the moving position is determined by checking a graduated scale, the worker fixes the sliding frame through a fixing bolt after the sliding frame moves to a proper position, and therefore the position of the spinning wheel is adjusted; the angle of the output yarn can be changed by adjusting the position of the spinning wheel, the flock covering amount of the yarn can be increased or decreased along with the change of the angle, and compared with an original unadjustable structure, the flock feeling and quality of the yarn are more perfect.

The application is suitable for the technical field of prefabricated comprehensive pipe gallery, and provides a light prefabricated comprehensive pipe gallery, which comprises a plurality of pipe gallery bodies and sealing connection mechanisms, two pipe gallery bodies are sealingly connected through the sealing connection mechanisms, and further comprises a bottom plate, a fixed sliding block is fixed on the pipe gallery body, a guide sliding groove is arranged on the bottom plate, and the fixed sliding block is slidingly connected on the guide sliding groove. The cable is placed on the guide roller, the cable is pulled through the rotation of the guide roller, when the cable arrangement is completed, the fixing assembly releases the restriction of the pressing plate, the first spring pulls the pressing plate to rotate downward, the pressing plate cooperates with the guide roller to fix the cable, the reverse restriction assembly restricts the pressing plate from rotating away from the guide roller, the rotation stopping assembly restricts the rotation of the first rotating shaft through the rotation of the pressing plate to the guide roller, and then the fixing of the pressing plate and the guide roller to the cable is more stable, and then the cable arrangement and fixing are facilitated.

The utility model discloses a trolley for transporting filter paper, which relates to the technical field of mechanical transportation equipment, a main body frame comprises a bottom plate and side plates at two ends, sliding rods are fixed on two sides of the side plates and penetrate into a transverse pressing plate, a pressing component is arranged at the top, and rotating wheels are arranged at the lower end of the bottom plate. The downward pressing assembly is composed of a fixing plate, a vertical pressing plate and a cross connecting rod, and power is provided through a second hydraulic cylinder, so that pressing and loosening of the vertical pressing plate are achieved. A side plate on one side of the main body frame is slotted, and an L-shaped baffle extends out to fix a first hydraulic cylinder and control a transverse pressing plate to move transversely. The transverse pressing plate is provided with an avoiding groove, and interference with the vertical pressing plate is avoided. During working, an operator pushes the trolley in place, after filter paper is placed, the second hydraulic cylinder is started for pressing, and the first hydraulic cylinder is started when the transverse position needs to be adjusted. Compared with the prior art, the trolley is convenient to operate and accurate in positioning, filter paper can be effectively fixed, the operation process is optimized, the working efficiency is improved, and the filter paper transportation stability and reliability are improved.

The invention relates to the technical field of mechanical engineering and robots, and discloses a single driving source grabbing mechanism based on connecting rod control, which comprises a top part mechanism, a vertical connecting rod, a bottom part mechanism and a hollow shaft motor, the top part mechanism comprises a top horizontal connecting rod connected with the vertical connecting rod, a top sliding block and a flexible thin bag with one end fixed to the top sliding block. The bottom part mechanism comprises a bottom fixed sliding rail connected with the vertical connecting rod, a bottom horizontal connecting rod connected to the vertical connecting rod and a cross-shaped connecting rod. The protruding part of the outer side of a rotating shaft of the hollow shaft motor is connected with a cross-shaped connecting rod, and a threaded lead screw sliding block is fixed to the inner side of the rotating shaft and arranged on a threaded lead screw in a sleeving mode. Only one driving source is used, the needed energy consumption is low, the structure is simple, use and control are convenient, the adaptability in the dynamic environment is high, the moving postures of underwater creatures such as octopuses can be simulated, and underwater movement is achieved.

The utility model discloses a distance detection mechanism, and relates to the technical field of detection, the distance detection mechanism comprises a mounting base, the surface of the mounting base is fixedly communicated with a protective housing, the protective housing is internally provided with a movable mechanism, the movable mechanism comprises a sliding rod and an adjusting push rod, the sliding rod is sleeved with a fixed sleeve, and the fixed sleeve is sleeved with a movable sleeve. A measuring mechanism is arranged at the bottom of the sliding rod, the measuring mechanism comprises a detection frame, a movable block and a first sensor, a second sensor is fixedly connected in the detection frame, the distance detection mechanism fixes a device on a cutter clamp through screw holes in the corners of the mounting base to detect a product, and through a fixing sleeve, the distance detection mechanism is fixed on the cutter clamp through the screw holes. The sliding rod is fixed, the ejector rod is adjusted to abut against the surface of a product, the sliding rod is controlled to move in the fixing sleeve, the machined product is detected, an alarm is given out when the movable block touches the first sensor or the second sensor, and unqualified products are screened.

The utility model discloses a kind of water mill drill hole bases suitable for curved surface or inclined plane pier body, it is related to bridge construction technology field, including pier body pasting board, the pier body pasting board is used to be attached in bridge pier body side surface, the pier body pasting board edge portion is equipped with multiple mounting holes;Pasteboard fixing part, the pasteboard fixing part is threaded in the mounting hole, and it is used to fix the pier body pasting board on bridge pier body side surface;And, fixed base, the fixed base is fixed on the pier body pasting board by several connecting pieces, fixed slide groove is opened on the fixed base. When drilling operation is carried out to pier body side surface, it is often necessary to utilize aerial work platform by hand to carry out drilling, time-consuming and laborious;Especially when encountering inclined plane or curved surface pier body operation surface, it is extremely difficult to manually hold water mill drill to drill horizontal hole, and the problem of easy drilling deflection occurs.

The utility model relates to the field of batching devices, in particular to a batching device for producing an ecological water-soluble fertilizer. According to the technical scheme, a batching box is arranged between stand columns, a rotating turning plate is arranged at the upper end of the batching box, a funnel-shaped discharging pipe is arranged at the lower end of the batching box, a wedge-shaped head turning plate valve is arranged on the funnel-shaped discharging pipe, a fixed sliding rail is arranged at the rear end of the wedge-shaped head turning plate valve, and a movable sliding block is connected to the fixed sliding rail in a sliding mode; a connecting block is arranged at the upper end of the movable sliding block, a timer is arranged at the rear end of the connecting block, a push rod is arranged at the front end of the connecting block, and a rotating motor is arranged at the front end of the push rod. The push rod is arranged to stretch out and draw back, the wedge-shaped block is in wedge-shaped connection with the wedge-shaped head flap valve, the rotating motor is started to drive the rotating shaft and the wedge-shaped block to rotate, so that the wedge-shaped head flap valve is driven to rotate, ingredients in the ingredient box are discharged through the funnel-shaped discharging pipe, and the timer is used for timing; and quantitative control is realized.

The utility model relates to the field of forming dies, in particular to a handle die which comprises a fixed die and a movable die, the lower portion of the fixed die is provided with a casting hole, the movable die corresponds to the fixed die, the movable die can linearly slide to be coupled with the fixed die, the fixed die is provided with a forming cavity channel I, and the movable die is provided with a forming cavity channel II corresponding to the forming cavity channel I; the lower portion of the movable mold is provided with two liquid supply cavities communicated with the forming cavity II, the movable mold is provided with blind holes corresponding to the casting holes and communicated with the two liquid supply cavities, the upper portion of the movable mold is provided with two fixed sliding blocks I, the two fixed sliding blocks I are slidably connected with movable sliding blocks I, the lower portions of the movable sliding blocks I are provided with forming blocks I, and the forming blocks I are provided with forming blocks II. Two pairs of fixed sliding blocks II are arranged on the lower portion of the movable mold, each pair of fixed sliding blocks II is connected with a movable sliding block II provided with a forming block III in a sliding mode, two runners for supplying cavities for forming handles are arranged, the cavities for forming the handles are stably, fully and evenly filled with raw materials from the middle of the lower portions of the handles in a dispersive mode, and the handles are rapidly formed.

The utility model discloses a punch fixture, include: sliding block has connecting portion and actuating portion, drive part is connected in the connecting portion of sliding block, is used for driving sliding block switches between idle state and working condition, in idle state, the actuating portion of sliding block has the distance between the product to be processed on processing position with the preset, in working condition, the actuating portion of sliding block extrudes the product to be processed on processing position, lock catch mechanism, lock catch mechanism includes first hook block, when punch fixture is in idle state, lock catch mechanism has locking state and unlocking state, in locking state, first hook block is contacted with sliding block and fixes sliding block, in unlocking state, first hook block is separated from sliding block, so that drive part can drive sliding block to the direction movement of processing position. When punch fixture is in idle state, fix sliding block through lock catch mechanism, prevent punch fixture to lose drive source and cause the sudden fall of sliding block, can improve the safety performance of punch fixture.

The utility model discloses a plastic foam trepanning device, which relates to the field of plastic foam processing equipment and comprises a working table, plastic foam is placed on the working table, an L-shaped positioning plate is fixedly mounted on the working table, a movable clamping plate is mounted on the working table in a sliding manner, and the L-shaped positioning plate and the movable clamping plate are both matched with the plastic foam. A fixed sliding rail is fixedly installed on the side face of the workbench, a lifting assembly is slidably installed on the fixed sliding rail, a movable assembly is slidably installed on the side face of the lifting assembly, and a hot cutter and an adsorption pipe are arranged on the bottom side of the trepanning tool base. According to the utility model, the fixed sliding rail, the lifting assembly and the movable assembly are used for controlling the trepanning tool seats to move, so that the hot cutter is driven to freely move on the plastic foam, different holes are conveniently and quickly cut, meanwhile, different numbers of the trepanning tool seats can be arranged, the trepanning speed is adjusted, and the trepanning efficiency is improved. The effect of forming a plurality of holes at a time is achieved.

The utility model belongs to the technical field of microelectronic magnetic force detection, and particularly relates to a microelectronic magnetic force automatic detection device which comprises a bottom plate. The end part of the bottom plate is fixedly connected with a placing plate; the end part of the placing plate is fixedly connected with a support frame; the end part of the support frame is fixedly connected with a first motor; the side wall of the placing plate is fixedly connected with a fixed sliding rail frame; a first motor is fixedly connected to the inner side wall of the fixed sliding rail frame. The output end of the first motor is slidably connected with a telescopic column. The end part of the telescopic column is fixedly connected with a slide rail plate; an air cylinder is fixedly connected into the sliding rail plate. The end part of the air cylinder is fixedly connected with a hollow sucking disc; after the detection is completed, the suction cup is used for fixing the detected chip and performing lifting motion, meanwhile, in the lifting motion process, the connecting rod discharging and collecting device is matched with the suction cup, stable and automatic discharging and collecting of the detected chip can be achieved, the collecting speed and convenience are improved, and the overall efficiency of the detection process is improved.

The utility model discloses a positioning fixture for automobile die machining relates to die machining technical field, the positioning fixture for automobile die machining includes equipment base, and the top fixedly connected of equipment base has workstation, and the workstation is opened with T type sliding slot to rectangular array, and, the top of workstation still is fixedly connected with fixed sliding seat, and the fixed sliding seat is slidably connected with hollow shell, and the hollow shell is movably connected with double -point clamp in, wherein, double -point clamp includes the U type sliding seat of inserting in the inside of hollow shell, the utility model discloses one rack top rod is tightly in the die side, at this moment, the electric push rod will continue to push the U type sliding seat and move, because one rack top rod is fixed immovably, at this moment, the rotation of adjusting gear will take place, and the transmission cooperation between adjusting gear and rack top rod pushes another rack top rod and continues to move forward, until two rack top rods all are pasted in the die surface, improve the positioning effect to die.

The utility model discloses a linkage lifting storage rack, which relates to the technical field of storage racks and comprises a fixed sliding frame, a traction sliding plate is assembled on the fixed sliding frame, and a storage plate is assembled on the traction sliding plate. During use, the fixed sliding frame is fixedly connected to the inner side wall of the kitchen wall cupboard through matching of the two fixed plates and the screws, when articles need to be taken out, the mounting plate can be pulled out from the interior of the wall cupboard by pulling the pulling handle and the fixed handle at the moment, and the articles can be taken out through pulling of the pulling steel wire. When the storage box is used, the two clamping plates are released from the second sliding rails, at the moment, the plate body can be pulled downwards, the storage box installed above the plate body descends, at the moment, articles placed in the storage box can be taken out, and therefore the function that the stored articles can be taken out conveniently is achieved. And meanwhile, more labor is saved when the plate body is pushed upwards through the torsion of a torsion spring in the traction assembly.

The utility model discloses a distribution frame for building intelligent engineering, and relates to the technical field of building engineering. The distribution frame comprises a base frame and distribution frames symmetrically arranged on the left side and the right side of the upper end face of the base frame, and further comprises a fixing mechanism arranged in the base frame; the bearing plate is clamped between the two sets of distribution frames in a sliding mode, locking clamping plates are arranged on the outer sides of the distribution frames, and locking mechanisms are arranged on the inner sides of the locking clamping plates. According to the utility model, the distribution frame can be limited by arranging the connecting clamping grooves, so that the distribution frame can be prevented from deviating and shaking, then, the two ends of the arranged bearing plate can be clamped on the inner sides of the fixed sliding plates in a sliding manner, and then, the bearing plate can be connected with the positioning sliding grooves and the fixed sliding grooves through the locking sliding blocks on the inner sides of the locking clamping plates; therefore, the multiple sets of bearing plates can be rapidly locked, the bearing plates can be prevented from deviating and shaking, and due to the fact that the bearing plates can be rapidly locked, the situation that the fixing efficiency of the bearing plates is affected through multiple sets of bolts of different specifications can be avoided.

The invention relates to the technical field of welding equipment, and particularly discloses packaging wood support machining and welding equipment which comprises a fixed base, a sliding bottom plate is slidably connected to the top of the fixed base, a fixed sliding way is fixedly connected to the top of the sliding bottom plate, and the side face of the fixed sliding way is sleeved with and slidably connected with a fixing device. The top of the sliding bottom plate is rotationally connected with the fixed end of a sliding table through a rotating shaft, the fixing device comprises an adjusting base, a sliding groove is formed in the side face of the adjusting base, a movable seat is slidably connected to the inner wall of the sliding groove, a connecting rod is slidably connected to the side face of the movable seat, and a fixing clamp is fixedly connected to the side face of the connecting rod. The side, away from the moving seat, of the adjusting base penetrates through and is slidably connected with a self-locking assembly, the side face of the fixed sliding way is sleeved with the adjusting base, the adjusting base is slidably connected with the fixed sliding way, and the purpose of conveniently adjusting the angle of a steel bar is achieved through the machining and welding equipment for the wood support for packaging.

The utility model relates to bar rolling device technical field, concretely to a kind of bar rolling guide assembly, comprising: guide roller, roller axle bracket, the both ends of guide roller are rotatably connected and are arranged on roller axle bracket, L-shaped frame is fixedly arranged in the bottom end of roller axle bracket, slip ring is fixedly arranged in the bottom end of L-shaped frame, and mounting boss is fixedly arranged on the side wall of roller axle bracket;The cleaning mechanism is arranged on the roller axle bracket;By embedding T-shaped plate into T-shaped groove so that scraper and guide roller are bonded and clamped, then moving U-shaped moving plate makes it clamped and limited T-shaped plate, moving slide plate downward makes that mounting boss is clamped into U-shaped clamping plate recess, after U-shaped clamping plate and U-shaped moving plate clamping, rotate knob bolt makes that the end of its insertion post is inserted into positioning ring and fixes slide plate position, and then the fixed installation of scraper is completed, in use, the high-temperature oxide adhered to guide roller is scraped by scraper and falls into collection box to facilitate centralized cleaning, to bring convenience to personnel cleaning guide roller.

The utility model relates to the technical field of product processing, and discloses a double-speed sliding block. The double-speed sliding block comprises a lower die plate, a lower die fixing sliding block is installed at the top end of the lower die plate, a limiting frame is arranged on one side of the lower die fixing sliding block, and a lower die moving sliding block is clamped at the top end of the lower die fixing sliding block. Through the arrangement of the lower die moving sliding block and the leaning knife, the upper die plate drives the upper die fixing sliding block, the upper die baffle, the upper die moving sliding block and the leaning knife to move downwards, the extrusion force generated when the leaning knife moves downwards enables the lower die moving sliding block to move towards one side on the lower die fixing sliding block, and at the moment, the one-time longitudinal force of the leaning knife is changed into the two-time transverse force of the lower die moving sliding block; and when the product is bent in the extrusion process, the bending treatment of the product every time is completed under the matched operation that the cutter continuously moves up and down back and forth and the lower die moving sliding block continuously moves left and right back and forth.

The utility model provides a lithium battery assembling and fixing assembly which comprises a horizontal fixing frame body and a lithium battery clamping plate, a plurality of fixing blocks are fixed on the front side of the upper end of the horizontal fixing frame body, a fixing sliding rod is fixed among the fixing blocks in a penetrating mode, and a plurality of bearing seats are fixed on the rear side of the upper end of the horizontal fixing frame body. A plurality of sliding sleeves are arranged outside the fixed sliding rod in a sliding and sleeving manner, a lengthened hand-screwing screw rod is mounted among a plurality of bearing seats in a penetrating manner, and a plurality of forward-rotating threads and a plurality of reverse-rotating threads are arranged on the annular side surface of the lengthened hand-screwing screw rod in a staggered manner. In order to solve the problems that in the prior art, due to the fact that liquid crystals of lithium batteries of the same type cannot be fixed, the assembling efficiency of follow-up workers is affected, a thread transmission type limiting structure is adopted, a plurality of lithium batteries can be locked and fixed at the same time, and then the workers can assemble the plurality of lithium batteries at the same time conveniently.

The utility model is suitable for the technical field of vehicle machining, and provides a machining device, a machining system and a machining device which are used for splicing a chassis and an upper vehicle body. The sliding rail structure comprises a fixed sliding rail and a floating sliding rail, the fixed sliding rail extends in the first direction, the floating sliding rail is arranged on one side of the fixed sliding rail in the first direction, the length direction of the floating sliding rail is parallel to the first direction, the floating sliding rail is configured to at least move in the second direction, and an included angle is formed between the second direction and the first direction; a hanger; in the machining device provided by the embodiment of the invention, the sliding rail structure comprises the fixed sliding rail and the floating sliding rail, and the floating sliding rail can move relative to the fixed sliding rail; according to the arrangement, corresponding structures for position adjustment are arranged at the lifting appliance and the floating slide rail, and lifting and position adjustment of the chassis are separated and are respectively arranged at different positions, so that the problem that the lifting structure is complicated can be relieved, and the strength requirement on the corresponding structures for position adjustment can be reduced.

The utility model discloses a gate valve machining-based combined device with an automatic turn-over function, and relates to the technical field of valve machining. The gate valve machining-based combined device with the automatic turn-over function comprises a punching unit, a turn-over unit and a gate valve, the turn-over unit is located on the inner side of the punching unit, and the gate valve is located above the turn-over unit. According to the gate valve machining-based combined device with the automatic turn-over function, by arranging the turn-over unit and utilizing meshing transmission of a gear ring and a gear, a positioning disc can drive a gate valve to automatically turn over, manual operation is not needed, and the machining efficiency is greatly improved; the position of the drilling machine can be flexibly adjusted through two sets of fixed sliding grooves and driving screw rods in the punching unit, the requirement for punching in different positions of the gate valve is met, and the machining flexibility and precision are improved; the whole device is compact in structure, all parts are tightly matched, stability is high, the device can adapt to large-scale gate valve machining production, and the labor intensity of workers is reduced.

The utility model discloses laser welding equipment for welding irregular metal parts, which comprises a processing chassis, a fixing hole is arranged at the top of the processing chassis, a rotating cylinder is fixedly mounted at the bottom of the fixing hole on the processing chassis, and a rotating plate is movably arranged at the top of the rotating cylinder. An arc-shaped supporting seat is fixedly mounted at the top of the rotating plate through bolts, a rotating assembly for welding metal parts is arranged on the arc-shaped supporting seat, a fixed sliding groove is formed in the top of the arc-shaped supporting seat, an arc-shaped rack is connected to the arc-shaped supporting seat through the fixed sliding groove, and an adjusting frame is connected to one side of the arc-shaped rack through a supporting plate; an adjusting block drives an electric telescopic rod below an adjusting plate to horizontally move through an adjusting rod and an adjusting groove in the moving process, position adjustment of a laser welding head is achieved, the structure is simple and stable, the angle of the laser welding head is adjusted in a multi-angle mode, and the laser welding head can meet the requirement for welding of metal parts of different rules.

The utility model relates to face shaping technical field, concretely relates to an improved needle structure for face microplasty, including needle cylinder and needle body, still include fixed depth subassembly, fixed depth subassembly includes fixed slide, sliding frame, sliding block, connecting support, fixed depth cover, scale paste, mounting component and locking component, fixed slide is connected with needle cylinder through mounting component, and sliding frame is connected with fixed slide slidingly, and sliding block is fixedly connected with sliding frame, and connecting support is fixedly connected with sliding frame, and fixed depth cover is fixedly connected with connecting support, and scale paste is fixedly connected with fixed slide, and mounting component sets up on fixed slide, and locking component sets up on sliding frame, through fixed depth cover adjustment to corresponding position on needle body, medical staff can be limited by fixed depth cover when carrying out puncture through needle body, and the position through fixed depth cover is convenient for medical staff to understand the puncture depth of needle body, avoids puncture too deep.

The utility model provides a punching mechanism for a cold-extruded side wall anti-explosion aluminum shell, and relates to the technical field of anti-explosion aluminum shell production equipment. A punching mechanism for a cold-extruded side wall anti-explosion aluminum shell comprises a machining table, the top of the machining table is fixedly connected with a female die and a fixed sliding rod, a die cavity is formed in the top of the female die, the fixed sliding rod is slidably connected with a movable plate, the bottom of the movable plate is fixedly connected with a male die corresponding to the die cavity, and the male die is fixedly connected with the machining table. And a lifting mechanism for driving the movable plate to lift is arranged at the top of the fixed sliding rod. According to the device, a connecting rotating rod is driven to rotate, a rotating frame at one end of the connecting rotating rod extrudes a side rod to push an impact sliding rod to slide downwards, when the rotating frame rotates to be away from the side rod, the impact sliding rod is rapidly pushed to ascend and slide through springback of a spring, and an aluminum shell is knocked upwards through the top of the impact sliding rod; and the aluminum shell is rapidly separated from the interior of the mold cavity, and the aluminum shell demolding efficiency is improved.

The utility model relates to the technical field of installation platforms, and discloses a hanging basket type hydraulic engineering electromechanical installation platform which comprises a bearing base, a plurality of vertical guardrail columns are fixedly installed on the upper portion of the bearing base, and transverse guardrail rods are fixedly installed between the upper portions of the vertical guardrail columns. Two symmetrical fixed sliding seats are fixedly installed on the lower portion of the bearing base, sliding seats are slidably connected to the opposite side faces of the two fixed sliding seats, an extending bottom plate is arranged between the two sliding seats, and sliding grooves penetrating through the ends of the fixed sliding seats and matched with the fixed sliding seats are formed in one sides of the fixed sliding seats. The inner side wall of the sliding groove is rotationally connected with a driving lead screw which penetrates through the fixed sliding base and is in threaded connection with the fixed sliding base, and a driving motor used for driving the driving lead screw to rotate is fixedly installed at the end of the fixed sliding base. According to the device, installation personnel stand on the extended bottom plate to install the electromechanical device at the concave position of the water conservancy project, installation of the electromechanical device at the concave position of the water conservancy project is facilitated, and the efficiency of installation of the electromechanical device of the water conservancy project is improved.

The invention discloses a local radiation protection device for CT examination, and belongs to the technical field of protection devices. A local radiation protection device for CT examination comprises a protection lead plate, one side of the protection lead plate is fixedly connected to a connecting frame, a lifting frame is movably installed below the connecting frame, the lifting frame is connected to a fixed sliding frame in a sliding mode, and the fixed sliding frame drives the lifting frame to conduct height adjustment through an adjusting assembly. The height and the horizontal rotation angle of the protection lead plate are convenient to adjust, the walking assembly is arranged on the base, the base and other structures are driven to linearly move along the walking guide rod, the protection lead plate can synchronously move along with a patient on the CT detection bed, and the protection lead plate can be always suspended on the covering part of the patient; according to the CT detection bed, the protection lead plate can be conveniently rotated to the lateral position, the protection lead plate can be conveniently moved away from the CT detection bed, when a patient enters the CT detection bed or gets up from the CT detection bed, the protection lead plate cannot cause obstruction, and practicability is improved.

The utility model discloses a centrifugal liquid-based cell sheet making machine which comprises a machine body, the machine body is provided with a centrifugal cavity, a rotating disc and a driving mechanism for driving the rotating disc to rotate are installed in the centrifugal cavity, a plurality of containing grooves distributed in the circumferential direction are formed in the rotating disc, and a sheet making clamp is placed in any containing groove; a synchronous fixing mechanism and a synchronous adjusting mechanism are further arranged on the rotating disc, the synchronous fixing mechanism is used for fixing the slide making clamps in the containing grooves, and the synchronous adjusting mechanism is used for fixing the slides in the slide containing bins; the slide making clamp is provided with the synchronous fixing mechanism, all slide making clamps can be fixed under the condition that the slide making clamp is detachable, so that the installation time is saved, in addition, the slide making clamp is further provided with the synchronous adjusting mechanism, a plurality of slides can be fixed synchronously, and adaptive fixing can be carried out according to the thicknesses of the used slides.

The application discloses a vehicle projection curtain device capable of freely hovering, which comprises a motor, a shaft coupling, a lead screw, a moving nut, a moving block, a connecting block, a sliding bearing, a first supporting arm, a second supporting arm, an upper fixed sliding groove, a lower following sliding groove, an electromagnet and a travel switch; the motor is used for driving the rotation of the lead screw, the rotation of the lead screw drives the horizontal movement of the moving block and the sliding bearing, the rotary motion output by the horizontally placed motor is converted into the horizontal motion of the sliding bearing, so as to drive the first supporting arm and the second supporting arm to realize the function of staggered opening, stretching and shrinking the curtain. The application has the advantages of small noise, stable motion and self-locking by using the lead screw transmission, the cross arm structure and the electromagnet, and can realize the free hovering of the curtain at any position without unstable phenomenon caused by the motion of the vehicle. The application provides a new reference scheme based on the existing vehicle projection curtain device, and has good use value and application development prospect.