44results about How to "Limit shaking" patented technology

The invention discloses an intelligent suspension conveying device for building material production, which comprises a cable rod, a traversing shaft is arranged in the cable rod, a lifting cable rack is arranged at the bottom of the traversing shaft, a maintaining mechanism is arranged in the lifting cable rack, and an anti-collision mechanism is arranged at the bottom of the maintaining mechanism. The auxiliary rotating shaft is rotationally connected to the inner wall of the lifting cable frame, the maintaining cable is wound around the outer circumferential face of the auxiliary rotating shaft, the main holding cable is wound around the outer circumferential face of the main rotating shaft, and the lifting cable frame is slidably connected with the inner wall of the transverse moving shaft. Therefore, the stroke weight of the host cable is dispersed, shaking of the pipeline in the transportation process is limited, and the stability and safety in the transportation process are improved.

The utility model belongs to the technical field of wind power tower construction platforms, and particularly relates to a wind power tower construction platform which comprises a fixed platform, a plurality of lifting lugs are annularly distributed on the top of the fixed platform, and four fixed protective guardrails are fixedly connected to the top of the fixed platform. And the inner walls of the four fixed protective guardrails are fixedly connected with connecting bases, threaded rods are inserted into the tops of the connecting bases in a penetrating mode, the outer walls of the threaded rods are in threaded connection with threaded connecting sleeves, and the outer walls of the threaded connecting sleeves are fixedly connected with connecting frames. The threaded rod is rotated through the adjusting knob, so that the threaded connecting sleeve in threaded connection with the outer wall of the threaded rod can drive the connecting frame to ascend and descend along the guide sliding groove, and along with movement of the connecting frame, one end of the threaded connecting sleeve can drive the fixedly-connected movable protective guardrail to ascend and descend together; therefore, through the structure, the height of the movable protective guardrail can be adjusted, and the protective effect on the construction platform is enhanced.

This utility model relates to a mechanical extension device for a rocking seat, comprising: a base unit; a rocker arm disposed above the base unit; a side plate fixedly connected to the rocker arm, wherein the side plate is rocking relative to the base unit by means of the rocker arm; a backrest bracket connected to the rear of the side plate, wherein the backrest bracket is for attaching the back of the rocking seat; a leg extension unit connected to the front of the side plate; a backrest electro-actuator designed to cause the backrest bracket to tilt backward and return forward relative to the side plate; a leg electro-actuator designed to cause the leg extension unit to extend forward and retract backward relative to the side plate; and a locking unit configured to limit the rocking of the side plate relative to the base unit by the backward tilting of the backrest bracket and / or the forward extension of the leg extension unit. This utility model also relates to a rocking seat.

The utility model discloses an I-shaped steel reinforcing assembly which comprises transverse I-shaped steel fixedly installed on the left side and the right side of I-shaped steel, a round sleeve is installed on the front side of the I-shaped steel, a square sleeve is installed on the surface of the round sleeve, and a plurality of bolts are arranged on the surface of the I-shaped steel in a penetrating mode. The round sleeve and the square sleeve are fixedly connected with the I-shaped steel through bolts, a connecting frame is fixedly connected to the surface of the square sleeve, an upper top plate is arranged at the top of the connecting frame and fixedly connected with the I-shaped steel, and a lower bottom plate is arranged at the bottom of the connecting frame and fixedly connected with the I-shaped steel. The round sleeve, the square sleeve and the connecting frame are used in cooperation, the periphery of a hole formed in the I-shaped steel is reinforced, then the supporting plate, the supporting frame and the triangular supporting plate are used in cooperation, the triangular supporting plate can support the lower bottom plate, and finally the round sleeve is stably installed on the periphery of the hole formed in the I-shaped steel.

The utility model relates to the technical field of Bluetooth earphone production and processing, in particular to a positioning assembly for Bluetooth earphone shell production. The positioning assembly for Bluetooth headset shell production comprises a mounting frame, a fixed mold plate is fixedly mounted on a bottom plate of the mounting frame, electric hydraulic rods are symmetrically mounted on a top plate of the mounting frame, and a movable mold plate is fixedly mounted at the telescopic ends of the electric hydraulic rods; the control box is mounted on one side of the mounting frame; the side clamping mechanism used for limiting dislocation of the movable mold plate is mounted on the vertical plate of the mounting frame; the pressing and fixing mechanism is installed in a sliding groove formed in the fixed mold plate and comprises two positioning pieces, the two positioning pieces are symmetrically arranged in the sliding groove, guide rods are installed on the positioning pieces in a sliding mode, positioning vertical rods are fixedly installed at the ends, away from the positioning pieces, of the guide rods, and inclined wedge blocks are fixedly installed at the ends, away from the guide rods, of the positioning vertical rods. The positioning assembly for production of the Bluetooth earphone shell has the advantages of being accurate in positioning and capable of preventing slab staggering.

The utility model provides a kind of cover plate structure and battery, belong to battery technical field, cover plate structure includes first cover plate, first pole post, first lower plastic and insulating part being arranged on first cover plate, and connecting portion being arranged between first lower plastic and insulating part. Among them, first pole post is used to and the first lug of pole group is connected, insulating part can be connected with first lower plastic by connecting portion, and abuts on the side of first lug opposite to first pole post. The cover plate structure of the utility model can fix the first lug after welding, limit the shake and displacement of first lug in the process of battery use, transportation etc.

The invention relates to the technical field of medical instruments, in particular to a shoulder arthroscopy lateral position abduction traction frame which comprises a main frame, a traction rod and a traction rope, a sliding rail is vertically and fixedly installed on the main frame, a lifting block is vertically and slidably installed on the sliding rail, one end of the traction rope is fixedly connected with the lifting block through a traction assembly, and the other end of the traction assembly is fixedly connected with the traction rod. A water tank is fixedly installed on the main frame, a water outlet pipe is installed at the bottom end of the water tank, a water inlet pipe is installed at the upper end of the weight box, the water outlet pipe and the water inlet pipe are communicated through a connecting water pipe, and a water level window is formed in the side face of the weight box. And water level scales are arranged on the water level window. A medical worker can control the traction force on the arm by controlling the water level in the weight box, the situation that the traction force is too large or too small, and consequently the operation progress is affected is prevented, it is guaranteed that the operation effect is better, and the disease of a patient is thoroughly solved.

The utility model relates to environmental monitoring equipment technical field especially relates to a groundwater sampling device for environmental monitoring. Including bottom disc, bottom disc is equipped with one, and the middle hole is set up on the bottom disc, to make sampling pump and water suction pipe through the middle hole and extend into the well, rotationally set up the turntable on the bottom disc, four arc grooves are set up on the turntable along the circumference, the moving rod that is consistent with the number and the layout of arc groove is also slidably provided on the bottom disc along the circumference, and the end of moving rod is provided with the embedded end that is embedded in adjacent arc groove. The utility model discloses through setting up moving rod and the structure of the stopper, can effectively limit the water suction pipe and sampling pump in the shaking of the falling process, avoid its and the well wall and lead to the soil falling off to collide or rub, thereby significantly reduce the risk of water sample being contaminated, help to keep the stability of sampling equipment operation, ensure the accuracy of sampling position, improve sampling accuracy and reliability.

The utility model provides a transmission system and a vehicle. The transmission system comprises an engine which comprises an oil pan, and an oil storage cavity is formed in the oil pan; the speed reducer comprises a speed reducer shell and a first half shaft, the speed reducer shell is arranged on one side, in the first direction, of the oil pan and connected with the oil pan, the first half shaft extends in the first direction, one end of the first half shaft is located in the speed reducer shell, and the other end of the first half shaft is located in the oil pan. The first half shaft is arranged on the two opposite side walls of the oil pan in the first direction in a penetrating mode. The support assembly is arranged on the side, away from the speed reducer shell in the first direction, of the oil pan and connected with the oil pan, the support assembly is provided with a supporting hole, and the first half shaft further penetrates through the supporting hole. The integrated design of the speed reducer and the engine can be achieved, so that the installation convenience of the speed reducer is improved, and then the arrangement convenience of the transmission system on the vehicle is improved.

The utility model provides a pipeline installation fixing device relates to pipeline fixing technical field, including stand and stable mechanism. The pipeline installation fixing device, according to the position of drain pipe and make its semicircle arc surface face pipeline, the length of telescopic part changes telescoping simultaneously with the clamping disc rotation, simultaneously, sliding member will along the transverse plate transverse sliding, ensure that the two clamping disc of pair can from the vertical direction and adhere to the pipeline, the semicircle arc surface of pair clamping disc and close drainage pipe, again the fixed bolt is worn into the opening of end no. 2 and is screwed tightly, completes the clamping fixing of stable mechanism to drain pipe, installs other each group stable mechanism of vertical arrangement according to the same step, and the threaded sleeve is set in the butt joint of two long poles and is connected with two long poles threadedly. Utilize the stable mechanism of multiple pairs to form the close support linkage of drain pipe and wall surface, form the restraint of pipeline from multiple height, disperses the force of the water flow impact, can effectively limit the sway of drain pipe.

The invention discloses a telescopic rotary hydraulic cylinder, and belongs to the technical field of hydraulic cylinders. Comprising a cylinder body and a piston rod which are matched with each other, the revolving bed is fixed at the piston rod end; the rotary rod is rotationally mounted on the rotary seat and is coaxial with the piston rod; the pair of racks are fixed on the rotary seat and are arranged on two sides of the rotary rod in parallel; the ends, away from the rotary seat, of the two racks are fixedly connected with a rotary disc which rotationally sleeves the rotary rod. The gearbox is fixed to one end of the supporting cylinder. The input end of the gearbox is provided with a first straight gear meshed with the rack, and the output end of the gearbox is provided with an outer fluted disc matched with the internal spline of the piston rod. The rack is driven to move through linear motion of the piston rod, the linear motion is converted into rotary motion of the outer fluted disc through the gearbox, and therefore the rotary rod is driven to rotate, linkage of axial stretching and circumferential rotation of the rotary rod is achieved, and an additional motor or a rotary oil cylinder is not needed.

The medicine box structure comprises a medicine box and a containing box, the containing box is detachably fixed in the medicine box and used for containing liquid medicine, and a water level sensing structure is arranged in the containing box and used for sensing the lowest water level of the liquid medicine in the containing box and generating corresponding signals. The utility model provides a medicine box structure for an enema instrument, which is convenient to mount and dismount and can send out a signal at the lowest water level.

The utility model relates to the technical field of wine brewing equipment, and discloses a distiller's yeast blanking device which comprises a track, a moving unit, a lifting unit, a hook, a hanging bracket, a first driver and a second driver, the hanging bracket comprises a support, a hanging ring, a first limiting block and a second limiting block, and when the hanging bracket is hooked by the hook, a limiting gap D1 between the first limiting block and the second limiting block limits the hook to rotate around the axis of the hanging ring, so that the hanging bracket cannot swing in the circumferential direction of the hanging ring; the hanging bracket is manually adjusted until the axis of the hanging ring is perpendicular to the length direction of the track, so that the hanging bracket can be prevented from greatly shaking in the moving direction in the moving process, and the problems that the hanging bracket needs to be transported, moved and positioned along the track, and the hanging bracket greatly shakes or inclines in the length direction of the track when the moving unit accelerates and decelerates are solved. And the hanging bracket or the materials on the hanging bracket accidentally fall off or are impacted.

The application provides a switch assembly, and relates to the technical field of low-voltage electrical apparatuses. The switch assembly comprises a switch body and a power conversion module. The switch body comprises a first shell, and the power conversion module is installed in the first shell. The power conversion module comprises a second shell, a first circuit board and a second circuit board. The second shell is provided with a mounting cavity. The first circuit board is fixedly installed in the mounting cavity. The second circuit board is fixedly installed in the mounting cavity. The second circuit board is arranged in a spaced-apart manner from the first circuit board, and the second circuit board is electrically connected to the first circuit board. The second circuit board is arranged closer to the bottom wall of the second shell than the first circuit board. In the direction from the first circuit board to the second circuit board, the projection of the first circuit board substantially coincides with the projection of the second circuit board. According to the switch assembly provided by the application, the area occupied by the power conversion module is small, the space utilization rate inside the first shell is improved, and the miniaturization development of the switch assembly is facilitated.

The utility model relates to the field of bridge engineering and steel structure hoisting, and discloses an I-shaped steel hoisting device which comprises an I-shaped steel body, a fixing plate is arranged on the outer wall of the I-shaped steel body, a notch is formed in the surface of the fixing plate in a penetrating mode, the top of the fixing plate is fixedly connected with a hoisting plate, and the top of the hoisting plate is fixedly connected with a lifting rod. A hoisting hole is formed in the surface of the hoisting plate in a penetrating mode, an adjusting groove is formed in the bottom of the fixing plate, a two-way lead screw is rotationally connected to the inner wall of the adjusting groove, a shifting ring is fixedly connected to the center of the two-way lead screw, and a supporting frame is in threaded connection to the outer wall of the two-way lead screw. According to the I-shaped steel hoisting device, by arranging the fixing plates, the notches, the hoisting plates, the hoisting holes and other structures, I-shaped steel can be conveniently hoisted, adjustment and limiting can be conducted according to the width of a web of the I-shaped steel, meanwhile, shaking of the I-shaped steel in the hoisting process is effectively limited, hoisting stability is improved, installation errors are reduced, and construction efficiency is improved.

The utility model provides a photovoltaic piece, a photovoltaic module and a photovoltaic system. The photovoltaic piece comprises a photovoltaic panel and a junction box. The photovoltaic panel comprises a first bending part, a body part and a second bending part, the first bending part, the body part and the second bending part are sequentially connected in the width direction, and the first bending part and the second bending part are bent relative to the body part and form containing spaces respectively. The junction box is electrically connected with the photovoltaic panel, and the junction box is arranged in the accommodating space of the first bending part and / or the accommodating space of the second bending part. And the junction box can be hidden in the accommodating space, so that the attractiveness of the photovoltaic piece is kept. The accommodating space can be used as a wire arrangement groove of the junction box, and the cables can be connected and shuttle in the accommodating space, so that on one hand, the cables are hidden, the attractiveness of the photovoltaic piece is kept, and on the other hand, directional guide and fixed support can be provided for the cables, so that the cables can be regularly arranged in the accommodating space; therefore, the smooth routing of the cable of the junction box between the adjacent photovoltaic pieces is ensured.

The invention relates to the technical field of bearing testing, in particular to a transmission shaft testing system and method. The transmission shaft test system comprises an extrusion assembly, a test assembly and a positioning assembly. The extrusion assembly comprises a driving unit and an extrusion module; the extrusion module comprises a first extrusion part, a second extrusion part and a connecting part. The test assembly comprises a tube unit and a sheet unit; the pipe unit comprises a pipe body and an avoiding module; the avoiding module penetrates through the side wall of the pipe body; each sheet unit comprises an arc sheet body, a first bulge and a second bulge; and the arc sheet body is welded and fixed with the pipe body through the first bulge and the second bulge. The test state of the transmission shaft test system comprises that the driving unit drives the extrusion module to pass through the avoiding module to apply a load to the arc sheet body until the arc sheet body is separated from the pipe body. Therefore, the problem that the test result of the firmness of the balance sheet is inaccurate is solved.

This utility model relates to the field of cable fixing technology for distribution cabinets, and more particularly to a cable fixing device for distribution cabinets. It includes a fixing plate disposed on the side wall of the distribution cabinet. The fixing plate has interconnected fixing holes, a first limiting hole, and a second limiting hole. A pressure plate for clamping the cable is disposed within the fixing hole via a movable component. A rotating shaft is rotatably mounted on the fixing plate, and a turntable and a take-up roller for winding the cable are fixedly mounted on the rotating shaft. The take-up roller has positioning holes for positioning the cable. This utility model effectively avoids safety hazards caused by tangled cables by setting a take-up roller outside the cable fixing opening. During maintenance, personnel can quickly locate the problem. A rubber plug installed in the positioning hole of the take-up roller serves to clamp and protect the cable. A protective shell effectively prevents the cable from being exposed to sunlight and prevents oxidation of the surface insulation layer.

The invention relates to a special-shaped floating strip self-adaptive pressure welding fuse machine which comprises a fuse machine body, a welding mechanism is arranged in the fuse machine body, and an auxiliary limiting mechanism is arranged at the top of the fuse machine body. According to the special-shaped floating strip hot melting machine, a matching structure of the welding mechanism and the auxiliary limiting mechanism is arranged on the hot melting machine body, so that the special-shaped floating strip body can obtain a stable and reliable multiple positioning effect in the welding process, and a second push rod drives a limiting baffle to vertically limit the outer side of a placement table; according to the special-shaped floating strip welding device, the top end of the special-shaped floating strip body is fixed in cooperation with the suction cup in an adsorption mode, displacement and shaking of the special-shaped floating strip body can be effectively limited before welding, and therefore the influence of manual placing errors on the welding quality is reduced; the electric push rod can conduct self-adaptive pressing according to the actual position of the special-shaped floating strip body, and the problem that adsorption is not firm or excessive pressing is caused by height or position deviation is solved.

The application discloses a split type shearing ram for blowout preventer, which comprises an upper shearing ram assembly and a lower shearing ram assembly. The upper shearing ram assembly comprises an upper shearing ram body, an upper shearing cutter body and a first clamping plate. The upper shearing cutter body is in concave-convex cooperation with the upper shearing ram body and is connected through a fastening screw. The upper shearing ram body is connected with a first ram shaft through the first clamping plate. The lower shearing ram assembly comprises a lower shearing ram body, a lower shearing cutter body and a second clamping plate. The lower shearing ram body is in concave-convex cooperation and sliding connection with the upper shearing cutter body. The lower shearing cutter body is in concave-convex cooperation with the lower shearing ram body and is connected through a fastening screw. Meanwhile, the cutting edge of the lower shearing cutter body corresponds to the cutting edge of the upper shearing cutter body. The lower shearing ram body is connected with a second ram shaft through the second clamping plate. The first ram shaft and the second ram shaft are located on the same horizontal line. The application has low maintenance cost, good shearing stability, reliable connection, convenient disassembly and assembly and strong shearing capacity.

The utility model relates to the technical field of semiconductor production, in particular to a photomask substrate anti-damage device for a transmission box and the transmission box, the anti-damage device comprises a frame body matched with an opening of the transmission box in shape and size, and the frame body is detachably connected to the opening of the transmission box. A plurality of vertical partition plates are arranged in the middle of the frame body, every two adjacent partition plates and the frame body define an insertion through groove, and the minimum width of each insertion through groove is matched with the thickness of an optical substrate; the device is directly arranged at the opening of the transmission box through the frame body, the gaps between the adjacent partition plates form the insertion through grooves matched with the thickness of the optical substrates, and the photomask substrates are arranged in the insertion through grooves, so that shaking of the photomask substrates can be limited, the photomask substrates are stably placed in the transmission box, and the transmission efficiency of the transmission box is improved. Damage caused by shaking of the photomask substrate in the transportation process is effectively reduced.

The application relates to the technical field of drilling, in particular to a twist drill bit with an adjustable mounting structure, which comprises a power transmission shaft, the end of the power transmission shaft is fixedly connected with a mounting base, the inner wall of the mounting base is rotationally installed with a second rotating ring, the second rotating ring is fixedly connected with a screwing ring seat, the outer wall of the screwing ring seat is rotationally sleeved with a front-end metal ring sleeve, the outer wall of the front-end metal ring sleeve is fixedly connected with a cooling liquid buffer frame, the second rotating ball moves up and down along the circumferential sliding of the inclined surface, at the moment, the second rotating ball moves up and down synchronously with the guide rod, the first rotating ball and the guide cover, the guide cover swings back and forth around the rotating rod, the reciprocating opening and closing are realized, at the moment, the cooling liquid sprayed outwards from the fixed pipe is guided by the reciprocating opening and closing direction of the guide cover, and is sprayed to different height positions of the twist drill bit body to realize cooling.

The utility model discloses a drawing type multi-layer shaking incubator, which relates to the technical field of bacterial incubators, and adopts the following scheme that the drawing type multi-layer shaking incubator comprises an incubator body, a motor is mounted at the bottom of the inner side of the incubator body, the output end of the motor is connected with a rotating mechanism, a connecting ring penetrates through the outer side of the rotating mechanism, a rotating shaft is mounted at the front end of the connecting ring, and the rotating shaft is connected with the rotating mechanism. A sliding frame is rotationally connected to the outer side of the rotating shaft, a second spring is installed on the inner side of the sliding frame, an elastic buckle is connected to the end of the second spring, a drawer is installed in the front side of the sliding frame in a sliding mode, and a sliding strip is arranged between the sliding frame and the drawer. Through the arrangement of the rotating mechanism, the connecting ring can be conveniently adjusted to a proper installation height, adjustment setting of different layer numbers and different intervals is facilitated, follow-up placement of containers of different specifications is facilitated, then the drawer can be stably installed between the sliding frames on the two sides through the sliding strips, and the practicability is high. Containers in the middle of the drawer can be conveniently taken and placed through sliding and pulling.

The utility model relates to linear motor technical field with heat dissipation structure especially relates to a linear motor with heat dissipation structure, including base, the base front and rear fixedly connected with connecting slide rail, the connecting slide rail top slidingly connected with sliding block. Through reserving heat dissipation cavity between the receiving bracket and the base, cooperate with the exhaust pipe and the adjustable direction's rotary connector pipe of receiving bracket right section inner wall intercommunication, have built "heat collection - directional discharge - air convection " efficient heat dissipation system, can quickly take away electromagnetic heat of stator winding produced in motor operation and the heat of sliding block, connecting slide rail friction, effectively avoid the problem such as winding insulation performance decline, parts thermal expansion and cold shrink of traditional motor because of high temperature, the shell body and side plate auxiliary heat radiation heat dissipation, further control motor operating temperature in reasonable range, significantly reduce motor failure risk, prolong the overall service life of motor, reduce the production loss because of equipment downtime.

The utility model discloses a kind of reducer for meat grinder with stable output end, it is related to meat grinder technical field, including the shell of detachably connected top cover and bottom shell composition, the inner cavity rotation of the shell is provided with planet carrier, a plurality of planetary gears are rotatably connected on the planet carrier, the planet carrier is engaged with the bottom shell, the output end of the planet carrier projects the bottom shell, further include: first positioning assembly, it is rotatably set on the output end, and it is fixedly connected with the bottom shell;And / or second positioning assembly, it is set between the top cover and the one end of the planet carrier away from the first positioning assembly. The utility model can improve the stability of planet carrier output end, to improve the rotational speed output stability, reduce transmission energy loss and noise, improve the overall performance of meat grinder.

The utility model belongs to the technical field of medical apparatus and instruments and provides infantile scalp vein pricking restraint protection device, including head fixed soft pillow and the restraint soft envelope of detachable connection on head fixed soft pillow, the top of head fixed soft pillow is equipped with C concave groove, the inside left and right sides of C concave groove are equipped with the ear department of adjustable avoidance groove, the left and right sides and top of restraint soft envelope are equipped with restraint system, and are equipped with dynamic pressure monitoring alarm mechanism on restraint system. The utility model discloses through head fixed soft pillow and restraint soft envelope linkage design, form " head - body - limb " integration restraint, can effectively limit infantile head movement in three -dimensional direction and the shaking of the limbs, solved the problem of traditional restraint mode head fixed unstable.

The utility model relates to a single longitudinal arm formula independent suspension and vehicle. Wherein single longitudinal arm formula independent suspension includes: shock absorber, shock absorber's first end is connected with the frame, the longitudinal arm is the triangular structure, the first side of longitudinal arm is fixedly connected with the frame, and the first angle opposite with first side is provided with the connecting end, and the connecting end is used for with the brake caliper support of vehicle and the second end of shock absorber is connected. The single longitudinal arm formula independent suspension and vehicle structure compact that the utility model provides have strong carrying capacity, can reduce production and maintenance cost.