42results about How to "Guaranteed normal sliding" patented technology

The invention relates to the technical field of machining equipment, in particular to a gantry machining center spindle assembly structure which comprises a machine tool body, a left longitudinal beam and a right longitudinal beam capable of moving left and right are mounted at the upper end of the machine tool body, a mounting frame capable of moving front and back is mounted on the longitudinal beams, and a spindle box vertically penetrates through the center of the inner side of the mounting frame. The clamping blocks on the left side and the right side are clamped on the guide rail to achieve sliding installation on the guide rail, and the V-shaped clamping grooves formed in the clamping blocks on the left side and the right side are matched with the trapezoid edges on the guide rail, so that the more relative clamping of the two clamping blocks is achieved, and the tighter matching with the guide rail is achieved. When a gap between the clamping blocks and the guide rail is enlarged due to abrasion, the two clamping blocks are relatively clamped by screwing the adjusting screws, so that the clamping blocks are tightly matched with the guide rail, compensation after the abrasion gap is enlarged is met, stable sliding of the sliding block on the guide rail is guaranteed, and the machining precision of the spindle box is guaranteed.

The utility model provides an electric welding machine hanging device, which belongs to the technical field of welding equipment and comprises a stand column, a rocker arm horizontally and rotatably mounted on the upper portion of the stand column, a moving seat slidably mounted on the rocker arm along the length direction, a hanging ring arranged at the lower end of the moving seat and capable of hanging a hanging hole arranged at the upper end of an electric welding machine. At least one hook is slidably installed on the rocker arm in the length direction and can be connected with a welding line of the electric welding machine in a hanging mode. The auxiliary device has the advantages that when the auxiliary device is used for assisting the electric welding machine in welding operation, the requirement for horizontal movement of the electric welding machine can be met, friction between a welding line and the ground can be reduced, and it is guaranteed that the welding line can slide along with the electric welding machine; therefore, abrasion of welding lines of electric welding machines such as carbon dioxide gas protection electric arc welding machines due to frequent movement of the electric welding machines is reduced, and the service life of the electric welding machines is prolonged.

The utility model belongs to the technical field of vacuum coating, and relates to a low-friction static sealing magnetic push rod device which comprises a magnetic permeable sleeve, a push rod unit and a linear driving unit, the linear driving unit comprises a magnetic group sleeving an outer ring and a linear driving mechanism; the push rod unit penetrates through the interior of the magnetic-permeable sleeve and comprises a push rod coaxially arranged in the magnetic-permeable sleeve, and an inner-ring magnetic group which is attracted with the outer-ring magnetic group inside and outside through the magnetic-permeable sleeve is arranged at the tail part of the push rod unit; the two ends of the inner ring magnetic group are clamped by a pair of limiting blocks, the limiting blocks are fixed on the push rod, three rollers are uniformly distributed on each limiting block around a shaft, the axes of the three rollers are positioned in the vertical plane of the axis of the push rod, the included angles between the axes of the three rollers are 60 degrees, and the outer sides of all the rollers are tightly attached to the inner wall of the magnetic permeable sleeve. According to the device, the inner ring magnetic group is in contact with the inner wall of the magnetic permeable sleeve through the roller, so that the stability of the axis of the push rod is ensured, the push rod unit and the magnetic permeable sleeve are ensured to slide under low friction resistance, and the push-pull action of the device is more sensitive and accurate.

The present invention belongs to the technical field of vehicle lamp detection, specifically, a vehicle lamp visual detection device, including a base, a support frame fixedly connected to one side of the upper end of the base, a conveyor belt arranged on the upper side of the support frame, a frame fixedly connected to one side of the upper end of the support frame, a CCD detection camera arranged on one side of the upper end of the frame, and an anti-collision arrangement and placement mechanism for collecting qualified and unqualified vehicle lamps separately on the base. The present invention realizes the use of an anti-collision arrangement and placement mechanism, which can make qualified and unqualified vehicle lamps be placed separately on the placement plates on both sides, which is convenient for subsequent processing, and whenever a vehicle lamp slides onto the placement plate, a baffle will block the vehicle lamp, so that multiple vehicle lamps can be placed separately, avoiding the damage of vehicle lamps due to mutual collision and squeezing of vehicle lamps.

The invention discloses a socket with a function of preventing a plug from falling off, the socket comprises a base, a plug sleeve installed in the base and a fixed frame assembly, the fixed frame assembly comprises two movable blocks, a sliding rail and a movable block reset piece which are connected with the two movable blocks, and two turning plates correspondingly hinged to the two movable blocks, when the plug is inserted into the plug sleeve, the two turning plates are driven to turn inwards, and the plug is inserted into the plug sleeve. The turning plate drives the two movable blocks to slide relatively in the left-right direction, the turning plate is connected with a locking piece which enables the turning plate to lock the plug after the plug is installed in place, and a guide groove, a limiting piece and a fixing frame reset piece are arranged in the base. When the plug is pulled out, the fixed frame assembly is driven to move outwards along the guide groove together, the fixed frame assembly is limited by the limiting piece after moving by a set distance, the plug stops moving outwards, and the locking piece unlocks the turning plate. After the plug is pulled out of the socket, the two movable blocks reset, and the fixed frame reset piece pushes the fixed frame assembly to reset inwards along the guide groove. According to the invention, the plug can be prevented from falling off and being pulled out by mistake.

The invention relates to the technical field of water body detection, and particularly discloses a water body rapid detection sampling device, which comprises a positioning assembly and a sampling bottle, the positioning assembly comprises a positioning line, a positioning member and a suspension member, the positioning member is installed at the bottom of the positioning line, and the suspension member is installed on the positioning line. The suspension fixing piece and the positioning piece are used for enabling a positioning line between the suspension fixing piece and the positioning piece to be vertically positioned in water; the suspension part can be an unmanned aerial vehicle, a throwing rod overhung on the water surface or a buoy located on the water surface and the like; the sampling bottles are mounted at different positions of the positioning line and are matched with rotating water taking of the sampling bottles, that is, the device can remotely control the unmanned aerial vehicle on the river bank so that the unmanned aerial vehicle can collect multi-layer water samples in the center of the water area, and the problem that a conventional sampling device and mode cannot perform one-time sampling on multi-layer water in the center of the water area on the river bank is solved.

The utility model discloses a device for detecting fatigue strength of torsion bar springs of chassis of various vehicles. The device structurally comprises an electrified positioning block, a parallel base, a protection plate, an electric control plate, a first detection body, a second detection body and a sliding rail, according to the utility model, the transverse slide rail is arranged on the parallel base as a basis, and the slide block at the lower end of the solid block of the second detection body slides in the slide rail, so that the distance between the detection rotating shaft in the convex block at the upper end of the solid block and the detection rotating shaft of the first detection body can be changed, and therefore, the torsion bar spring detection device can be matched with various torsion bar springs with different lengths; the torsion bar spring detection device can effectively adapt to torsion bar springs with different lengths for detection, a large number of driving parts can be saved for use through manual pushing of the control push block on the solid block, and the effects of saving cost and improving the practicability of the whole detection device can be achieved.

The utility model belongs to the technical field of suction nozzles, and particularly relates to a double-guide-column suction nozzle which comprises a suction nozzle base and a rubber pad, the rubber pad is fixedly connected to the bottom face of the suction nozzle base, a plurality of air holes are formed between the suction nozzle base and the rubber pad and communicated with the outside, an inserting groove is formed in the top face of the suction nozzle base, a suction nozzle rod is inserted into the inserting groove, and the suction nozzle rod is connected with the rubber pad. The peripheral side of the suction nozzle rod is sleeved with a suction nozzle sleeve rod; the limiting assembly is located between the suction nozzle rod and the suction nozzle sleeve rod and used for limiting the suction nozzle sleeve rod on the peripheral side of the suction nozzle rod; the limiting plate is fixedly connected to the peripheral side of the suction nozzle sleeve rod, two guide columns are inserted into the limiting plate, and the peripheral sides of the two guide columns and the peripheral side of the suction nozzle rod are.. The problems that when the suction nozzle is used, the stability is poor, when the suction nozzle adsorbs materials, the suction nozzle can not be accurately aligned to a target position, the adsorption position deviates, and the suction nozzle cannot be accurately aligned to the target position are solved. Therefore, the subsequent processing or assembling precision is influenced, and the product quality is reduced.

The utility model discloses a full-degradable lunch box conveying device, which belongs to the technical field of lunch box conveying and comprises a conveying plate, four supporting legs are arranged at the bottom of the conveying plate, a groove is formed in the top of the conveying plate, a conveying mechanism is arranged in the groove, fixing mechanisms are arranged on two sides of the conveying plate, and the fixing mechanisms are fixed on the conveying plate. A same top plate is installed at the tops of the two fixing mechanisms, two limiting plates are arranged at the bottom of the top plate, the conveying mechanism comprises two conveying rollers, the two conveying rollers are rotationally installed in a groove, and the outer sides of the two conveying rollers are in transmission connection with a same conveying belt; and a servo motor is fixedly mounted on the outer side of the conveying plate. The two limiting plates can play a limiting role when the meal boxes are conveyed, deviation and scattering of the meal boxes during conveying are avoided, the at least three limiting plates are arranged, the conveying belt can be divided into two conveying intervals, and the application range is expanded.

The utility model belongs to the technical field of automobile inner tubes, and particularly relates to a high-strength automobile inner tube which comprises an inner tube base layer and a reinforcing layer, the reinforcing layer is fixedly connected to the surface of the inner tube base layer, an impact-resistant layer is fixedly connected to the surface of the reinforcing layer, and a high-temperature-resistant layer is fixedly connected to the surface of the impact-resistant layer. The surface of the high-temperature-resistant layer is fixedly connected with a tear-resistant layer, and the surface of the tear-resistant layer is fixedly connected with an anti-puncture layer; the valve core cover is arranged above the anti-puncture layer, an inserting groove is formed in the bottom face of the valve core cover, a valve core body fixed to the anti-puncture layer is inserted into the inserting groove, a plurality of sliding grooves are formed in the valve core cover, and the sliding grooves communicate with an inner cavity of the valve core body; according to the utility model, the problem that a user cannot quickly take down the sealing cover from the valve core to inflate or detect the air pressure of the inner tube is solved, and the problem that potential safety hazards possibly occur in the long-time use process of the automobile inner tube due to low use strength of the automobile inner tube is solved.

The invention relates to the technical field of oil and gas drilling, in particular to a mechanical dynamic seal structure, a motor dynamic seal mounting structure and a seal testing device.The mechanical dynamic seal structure comprises a mechanical dynamic seal static ring and a mechanical dynamic seal dynamic ring which are coaxially arranged, and a mechanical dynamic seal static ring support is arranged on the inner side of the mechanical dynamic seal static ring; a mechanical dynamic sealing movable ring bracket is arranged on the inner side of the mechanical dynamic sealing movable ring; a first annular groove is formed in one end of the mechanical dynamic sealing static ring support, and a static ring alloy ring is arranged in the first annular groove. A second annular groove is formed in one end of the mechanical dynamic sealing movable ring support, and a movable ring alloy ring is arranged in the second annular groove. The static ring alloy ring and the moving ring alloy ring are hermetically and rotatably abutted against each other; an expansion ring is fixedly arranged on the inner side of the other end of the mechanical dynamic sealing movable ring, and a sealing top cover is fixedly arranged at the other end of the mechanical dynamic sealing movable ring in a sealing mode. The static ring alloy ring and the movable ring alloy ring rotate mutually, movable sealing is achieved through the oil film, the sealing effect is improved, and the sealing ring can be suitable for sealing in the high-temperature and high-pressure severe working environment.

The application discloses a sliding positioning type layered settlement monitoring device and a use method thereof. The monitoring device comprises an inspection groove, a pipeline channel interface and a guide pipe joint are arranged on the side wall of the inspection groove, a positioning guide pipe is arranged at the guide pipe joint, a sensor assembly capable of adjusting the position is arranged in the positioning guide pipe, a guide pipe fixing assembly is arranged on the side wall, and the guide pipe fixing assembly is connected with a movable measuring rod. The use method comprises the following steps: lofting for settlement monitoring; drilling a hole at a monitoring point, slotting a pipeline position, digging a pit at an inspection position, supporting and pouring; installing equipment in the hole and backfilling the drilled hole; connecting the positioning guide pipe, the pipeline channel and the inspection groove and backfilling; installing a sensor assembly in the positioning guide pipe and ensuring that the sensor assembly can slide along the positioning guide pipe; and regularly maintaining and replacing the sensor assembly through the inspection groove. The application can maintain, maintain and replace the sensor assembly in the inspection groove, so that the monitoring point can meet the long-period monitoring requirement.

The utility model belongs to the technical field of printing machines, and particularly relates to an adjustable tensioning type printing machine which comprises a printing machine body and a supporting plate, the supporting plate is fixedly connected to the printing machine body, two symmetrically-arranged first sliding grooves are formed in the inner wall of the supporting plate, sliding blocks are connected into the first sliding grooves in a sliding mode, and first threaded rods are connected into the sliding blocks in a threaded mode. The first threaded rod is located in the first sliding groove and rotationally connected with the first sliding groove, a pressing rod is fixedly connected between the two sliding blocks, and the pressing rod is attached to paper on the printing machine. The turntable is rotationally connected to the top surface of the supporting plate; the transmission assembly is located in the supporting plate and used for driving the two first threaded rods to rotate; the paper tension adjusting device solves the problems that when a printing machine is used, the tension degree of paper cannot be adjusted, when the tension of the paper is too small, printing materials are likely to be loosened and even wrinkled, the surfaces of printed matter are uneven, and the product quality is affected.

The embodiment of the present disclosure relates to the technical field of steel bar welding, and one embodiment of the present disclosure provides a steel bar butt welding equipment capable of achieving uniform welding, which comprises two left electrodes and two right electrodes, a butt welding frame, two electrode bearing parts and two steel bar conveying assemblies. The two electrode bearing parts are symmetrically arranged, each of the electrode bearing parts is provided with a left electrode and a right electrode, the right electrode can slide towards the left electrode, one of the electrode bearing parts is arranged on the butt welding frame, and the other electrode bearing part is arranged on the butt welding frame through an electrode position adjusting part. The two steel bar conveying assemblies are symmetrically arranged on the butt welding frame, and the electrode bearing parts are located between the two steel bar conveying assemblies. Through the above technical scheme, the steel bar butt welding equipment in the prior art is improved, the steel bar conveying precision and stability are improved during steel bar butt welding, and the problem that the steel bar welding efficiency is affected is solved.

The utility model relates to an automatic changing device of brake disc workpiece belongs to brake disc positioning changing technical field. It includes frame, workpiece positioning frock and changing adjustment mechanism, and workpiece positioning frock includes taper sleeve and positioning fixture, and taper sleeve sets up floatingly, and taper sleeve is used for positioning the center hole of brake disc, and positioning fixture is used for supporting the inner end face of the cap of brake disc, and changing adjustment mechanism includes frock library, changing pneumatic clamping jaw and changing drive mechanism, and frock library is used for storing the taper sleeve and positioning fixture of waiting for changing, and changing pneumatic clamping jaw can automatically change the taper sleeve and positioning fixture under the action of changing drive mechanism. When needing to change the measurement of brake disc, changing pneumatic clamping jaw can take down the original taper sleeve and positioning fixture and put back frock library, and can clamp the taper sleeve and positioning fixture of corresponding model and move to workpiece positioning frock, realize the automatic change of the taper sleeve and positioning fixture of corresponding model, and the whole changing is quick and efficient, reduces the labor intensity of worker.

The invention discloses rapid metal product transferring and conveying equipment, which relates to the technical field of metal products, and comprises a bracket, a conveying belt and a material frame, and further comprises a partition plate, a feeding chute, a driving part I, a driving rod, a shaking connecting mechanism, a loading mechanism and a double-layer pushing mechanism. The circular rings are lifted and fed through the feeding mechanism, so that the circular rings slide to the conveying belt, meanwhile, a driving rod drives a shaking connecting mechanism to move, the shaking connecting mechanism drives a material frame to shake in a reciprocating mode, it is guaranteed that materials can slide, meanwhile, the feeding smoothness is guaranteed, the conveying belt conveys the circular rings, and if the multiple circular rings are vertically stacked together, the circular rings can be conveyed through the conveying belt. And when the circular rings are in the horizontal state or the circular rings are in the vertical state, the double-layer pushing mechanism pushes the circular rings in the two states down, the circular rings return to the interior of the material frame through the feeding chute to be conveyed again, and it is guaranteed that only the single-layer circular rings in the horizontal state can be conveyed out to be stored.

The utility model relates to the field of quality improvement and reconstruction of existing buildings in urban renewal, and aims to provide a horizontal limiting device for an existing structure stress conversion support, which comprises an existing bottom plate, an existing underpinning part and an existing wall column, a temporary support used for bearing the load of the existing underpinning part is arranged on a jacking part of the hydraulic jack in a supported mode, a plurality of horizontal limiting assemblies are arranged in the height direction of the existing wall column at intervals, and transverse limiting rods in one-to-one correspondence with the horizontal limiting assemblies are arranged in the height direction of the temporary support; one end of the transverse limiting rod is fixedly connected with the temporary support, the other end of the transverse limiting rod is fixedly provided with a steel connecting piece, and the steel connecting piece is in longitudinal sliding fit with the horizontal limiting assembly. According to the utility model, the stability, reliability and safety of the existing structure in the stress conversion process can be enhanced, the implementation is easy, the manufacturing cost is low, and the applicability is wide.

The invention relates to a low-power-consumption self-locking type electromagnetic valve for ocean temperature difference energy power generation and a working method, and belongs to the field of deep sea energy equipment. The low-power-consumption self-locking type electromagnetic valve comprises a valve body, a valve element, a valve sleeve, a limiting assembly and an electromagnet assembly, the electromagnet assembly comprises an electromagnet shell, an armature, a coil and a self-locking assembly, and the valve body is fixedly connected to the electromagnet shell; the valve sleeve is located in the valve body, the valve element is arranged in a through hole A in the middle of the valve sleeve and can axially move in the through hole A, and one end of the valve element is connected with the end of the valve body through a limiting assembly. A transmission screw penetrates through the through hole B of the electromagnet shell, the other end of the valve element is fixedly connected with one end of the transmission screw, the other end of the transmission screw is connected with a self-locking assembly, and a main spring is arranged between the self-locking assembly on the transmission screw and the electromagnet shell. By adding the self-locking structure, the electromagnetic valve can be switched between the long closing state and the long opening state, the structure is simple, machining is easy, cost is low, system electric energy consumption is reduced, and low-power-consumption work is achieved.

The utility model belongs to the technical field of high-platform silica sol ball valves, and particularly relates to a high-platform silica sol ball valve which comprises a ball valve body and a fixing plate, the fixing plate is fixedly connected to the ball valve body, a valve handle is rotationally connected to the ball valve body, and one end of the valve handle penetrates through the fixing plate, extends to the outside and is rotationally connected with the fixing plate. The first sliding groove is formed in the fixing plate, an insertion block is connected into the first sliding groove in a sliding mode, and one end of the insertion block penetrates through the valve handle and extends into the valve handle to be matched with the valve handle in an inserted connection mode. The silica sol high-platform ball valve solves the problem that after the silica sol high-platform ball valve is used, part of liquid is left in a ball core groove in the silica sol high-platform ball valve and cannot be discharged; the problem that when a user dismantles a pipeline and overhauls the silica sol high platform ball valve, the user possibly touches a valve handle on the silica sol high platform ball valve by mistake under the inattention condition to open the closed silica sol high platform ball valve, and water source waste is caused is solved.

The utility model belongs to the technical field of food processing, and particularly relates to a cattle and sheep slaughtering dividing line for food processing, which comprises a dividing frame body and a first sliding groove, the first sliding groove is arranged in the dividing frame body and communicated with the outside, and a plurality of sliding blocks are slidably connected in the first sliding groove. The bottom ends of the multiple sliding blocks are rotationally connected with multiple box bodies correspondingly, second sliding grooves communicating with inner cavities of the box bodies are formed in one sides of the box bodies, and baffles are slidably connected into the second sliding grooves. The problems that when cattle and sheep are hung on a dividing frame, residual blood in cattle and sheep bodies can drip onto the ground, the working environment of workers is polluted, a user needs to clean the blood on the ground, and the working efficiency is high are solved. The problem that the workload of workers is increased is solved, and the problem that when the workers hang slaughtered cattle and sheep on the dividing frame, the cattle and the sheep may be unhooked due to the fact that the cattle and the sheep are heavy is solved.

The invention discloses a steel structure connecting joint capable of releasing fire temperature deformation, which comprises a first steel structure component, a second steel structure component, a plurality of friction type high-strength bolts and a connecting plate, and is characterized in that the connecting plate is provided with a long elliptical bolt hole, and the long elliptical bolt hole comprises a bolt hole near end and a bolt hole far end; a plurality of friction type high-strength bolts are in friction type connection with the connecting plate, the first steel structure component and the second steel structure component, so that the first steel structure component and the second steel structure component are spliced together, and then the steel structure connecting joint is formed; under the fire working condition, the first steel structural component and the second steel structural component deform due to temperature, and the friction type high-strength bolt slides from the near end of the bolt hole to the far end of the bolt hole, so that the temperature deformation of the first steel structural component and the second steel structural component under the fire working condition is released; the steel structure connecting joint is easy to install and environmentally friendly, and can still meet the structural fireproof safety requirement under the designed fire working condition.

The invention discloses a functional socket convenient to install, which comprises a base and a plug bush installed in the base, the plug bush is plugged with a plug, the functional socket further comprises a plug falling prevention functional module, and the plug falling prevention functional module comprises a module frame, a cover plate support and a fixed frame assembly movably installed in the module frame. An opening is formed in the outer side of the base, the module frame is installed on the base through the opening, the cover plate support is connected with the base and seals the opening of the base, and the cover plate support is provided with a module frame fixing structure for fixing the module frame. The socket is provided with the plug falling prevention function module, so that the socket has a plug falling prevention function, and the plug falling prevention function module can be integrally mounted on a conventional socket, so that the mounting universality is improved.

The invention relates to the technical field of cutting devices, and discloses a soybean drawing protein double-screw extrusion fixed-length cutting device which comprises a double-screw extrusion device and a conveying device, the double-screw extrusion device comprises a cabin body, two screw rods are arranged in the cabin body, an extrusion opening is formed in one end of the cabin body, a feeding opening is formed in the side wall of the cabin body, and a discharging opening is formed in the other end of the cabin body; the extrusion opening points to the conveying device. The push-pull cutting assembly comprises a cutter, the cutter is installed at the bottom of a sliding plate, the sliding plate is slidably connected to the outer side wall of a fixing rod, a connecting rod is installed above the sliding plate, a sliding shaft is fixed to the side wall of the connecting rod and slidably connected into a wave groove, the wave groove is formed in a fixing square pipe, the section of the fixing rod is rectangular, and the sliding shaft is a cylinder. The scheme has the beneficial effects that raw materials are cut in a push-pull manner, and it is guaranteed that the raw materials can be completely cut off, and the problem that the raw materials cannot be completely cut due to the fact that dried soybean drawing protein has certain toughness and is directly cut downwards through a cutter is solved.

The invention discloses a safety aluminum alloy door and window, and the invention relates to the field of building decoration, including a sliding door frame, a frame door is arranged inside the sliding door frame, a window frame is fixedly installed on the top of the sliding door frame, two glass windows are fixedly installed inside the window frame, a fixed door is fixedly installed on the rear part of one side of the sliding door frame, an anti-stuck structure is arranged inside the sliding door frame, and the anti-stuck structure includes two sliders and two slide rails, the two slide rails are respectively penetrated and opened inside the sliding door frame near the top and bottom, the two sliders are symmetrically fixedly installed on the top and bottom of the frame door, the two sliders are respectively located inside the two slide rails, the vertical sections of the slide rails and the sliders are both T-shaped, and a plurality of placement grooves are arranged inside the slide rails. The invention avoids the problem of mechanical blocking due to thermal expansion by arranging the anti-stuck structure.

The present invention discloses a servo slide pitch changing device of a pipette head intelligent production line system, and relates to the technical field of medical devices. The servo slide pitch changing device comprises a first fixed plate, a second fixed plate, a sliding plate, a telescopic device and a suction cup, and the suction cup comprises a plurality of first pipette head suction heads and a plurality of second pipette head suction heads, wherein the plurality of first pipette head suction heads are fixed on the first fixed plate, the first fixed plate has a plurality of first through holes, the plurality of second pipette head suction heads are fixed on the sliding plate, and the second pipette head suction heads pass through the first through holes to form a suction cup with the first pipette head suction heads, the first fixed plate is connected to the second fixed plate, the sliding plate is arranged between the first fixed plate and the second fixed plate, one end of the telescopic device is connected to the sliding plate, and the other end is connected to the first fixed plate, and the telescopic device drives the movement of the sliding plate to change the shape of the suction cup. The present invention realizes the position change of the second pipette head suction head in the first through hole through the telescopic device, and realizes the conversion of the suction cup structure.

The utility model belongs to the technical field of retaining walls, and discloses a vertical retaining structure. The device comprises a base, a retaining wall assembly is arranged at the position, close to the edge of the base, of the top of the base, a protection plate is arranged on the side, away from the retaining wall assembly, of the top of the base, and a buffering assembly used for conducting buffering protection on the retaining wall assembly is arranged on the side, close to the retaining wall assembly, of the protection plate. Baffles used for shielding top openings of the sliding grooves are arranged on the sides, away from the retaining wall assembly, of the protection plates. When the protection plate in the vertical soil retaining structure is collided by substances such as gravels or soil blocks rolling from a high position, the sliding block on the protection plate slides along the sliding groove and is matched with the buffering assembly to achieve the buffering protection effect on the retaining wall assembly, then the retaining wall assembly is restored to the original position under the action of the buffering assembly, and therefore buffering protection can be continuously conducted on the retaining wall assembly; the service life of the retaining wall assembly can be prolonged, the blocking plates can block the probability that impurities such as broken stones or soil blocks enter the sliding grooves, and normal sliding of the sliding grooves and the sliding blocks can be guaranteed.

The utility model belongs to the technical field of fine iron powder production, and particularly relates to an automatic fine iron powder production drying device which comprises a drying device body and a feeding box, the feeding box is fixedly connected to a feeding port of the drying device body, and an inner cavity of the feeding box is communicated with an inner cavity of the drying device body. Two symmetrically-arranged through grooves are formed in the inner wall of the feeding box, and baffles are slidably connected into the through grooves. The first fixing block is fixedly connected to one side of the feeding box, a fixing rod is fixedly connected to the interior of the first fixing block, two sliding plates are slidably connected to the fixing rod, and the two sliding plates are fixed to the two baffles correspondingly; by means of the feeding device, the problems that when a user adds fine iron powder into the drying stock bin, excessive fine iron powder can be added into the drying stock bin without attention, a large amount of fine iron powder is accumulated together, thorough drying is difficult, and using is not facilitated are solved.

The utility model relates to oil and gas pipeline technical field especially, more particularly to a kind of oil and gas pipeline directional drilling crossing auxiliary back dragging device, it includes: adjusting mechanism, the adjusting mechanism includes pedestal, the middle part of the pedestal is fixedly connected with connecting component, the long rod outside of the connecting component is rotatably connected with rotating bottom plate, the inside of the pedestal and rotating bottom plate is all arrayed and is equipped with screw hole two, the inside of rotating bottom plate is slidably connected with sliding side plate, the top of the connecting component is fixedly connected with receiving block, the inner side of receiving block is rotatably connected with rotating shaft one, one end of rotating shaft one is rotatably connected with receiving component, one end of receiving component is slidably connected in the inside of sliding side plate, the utility model adjusts the angle of gyro wheel one and gyro wheel two by height adjustment, rotating bottom plate drives gyro wheel one and gyro wheel two to rotate simultaneously, to adapt the change of pipeline diameter, to avoid the wear and tear of the anticorrosive layer of pipeline.

The invention provides a sapling transplanting mechanical gripper which comprises a rack used for supporting and installing all mechanisms of the device. The stepping mechanism is installed on the machine frame, a torque mechanism is connected to the stepping mechanism in a transmission mode, and the stepping mechanism is used for driving the torque mechanism to do up-down lifting motion; the torque support is installed at the bottom of the rack, and the torque support is used for limiting the torque mechanism to slide up and down to ascend and descend under the driving of the stepping mechanism; the shoveling claw mechanism is mounted on the torque bracket, and the shoveling claw mechanism is used for carrying out transplanting and clamping on the saplings; by arranging the stepping mechanism and the torque mechanism, the stepping mechanism drives the torque mechanism to slide up and down on the torque support so as to drive the shoveling claw mechanism to transplant saplings, the sapling transplanting mechanical claw is simple in structure and convenient to operate, the saplings can be rapidly and accurately clamped and released, and the sapling transplanting efficiency and quality are greatly improved.

The utility model belongs to the technical field of winding equipment, and particularly relates to a winding device which comprises a winding device body and a supporting plate, the supporting plate is fixedly connected to the winding device body, a movable groove communicated with the outside is formed in the supporting plate, and two first racks are slidably connected into the movable groove; one ends of the two first racks are fixedly connected with fixing blocks; the driving assembly is located in the supporting plate and used for driving the two first racks to move; the first sliding groove is formed in the fixing block and communicates with the outside, two baffles are slidably connected into the first sliding groove, a two-way threaded rod is in threaded connection between the two baffles, and one end of the two-way threaded rod penetrates through the inner wall of the first sliding groove and extends to the outside to be rotationally connected with the fixing block. The winding device solves the problems that when a winding device is used for winding a transformer copper wire, the copper wire can be bent in the winding process, so that gaps of winding layers are not uniform, and the overall performance of the transformer is affected.