616 results about "Continuous rotation" patented technology

The invention relates to the technical field of furnace shell welding, in particular to a gas industrial furnace shell welding device which integrates a radial circular seam and an axial longitudinal seam, a servo motor drives a planetary gear train through an intermittent sheave, a rotating shell drives a clamped furnace shell to rotate, and radial welding is completed; after a bottom clamping jaw instantly locks a shell, power is switched to a planet carrier, an outer mounting arm drives a driven scraping arm to grind the inner wall while axially moving, welding and grinding synchronization is achieved, a bidirectional pushing seat crank sliding block mechanism continuously rotates in a one-way mode to push and pull the furnace shell in a two-way mode, whole-circle accurate grinding is achieved during resetting, and six sets of air cylinder lead screw adjustable clamping jaws conduct internal and external synchronous supporting. The outer supporting cylinder is prevented from deformation, secondary clamping is not needed in the whole process, butt joint of multiple sections of furnace shells is completed at a time, continuous filling of a longitudinal weld bead can be completed when a circular seam is still in a high-temperature plastic stage through instantaneous switching of clamping and stopping, and the welding quality of a T-shaped connector area is improved.

A motion simulator system is disclosed that includes a freely rotatable movable frame supported by, but unattached to, a hemispherical base. The movable frame comprises a spherical enclosure constructed from rigid, lightweight materials such as composite materials or interlocking panels, providing unlimited 360-degree rotation in all three rotational degrees of freedom (pitch, roll, and yaw). An internal actuator system coupled to the movable frame controls attitude positioning while the center of rotation remains substantially fixed relative to the base. Low friction engagement between the movable frame and base is achieved through transfer bearings integrated into the base's outer surface or by pressure-vented air cushions. The system enables smooth, continuous rotation of the untethered movable frame for enhanced motion simulation applications.

The invention discloses a non-Gaussian noise pollution spiral shaft rod type part measurement signal processing method, which can realize reliable purification of measurement signals, stable separation of bending deviation and spiral raceway morphology items and fitting reconstruction when pollution such as heavy tails, multiple peaks, burrs and sheet abnormal points exists. The method comprises the following steps: acquiring and synchronously registering measurement data of rotation and axial movement, establishing a joint fitting model for decomposing readings into deformation items and spiral raceway morphology items, and expressing the morphology items by multi-order harmonics, and a three-stage process is adopted to complete baseline establishment and coarse elimination, phase locking and fine filtering in sequence, and the harmonic order of the optimal spiral raceway morphology item is determined in a self-adaptive manner and finally reconstructed. The invention provides an effective solution for the problems that the continuous rotary scanning measurement signal of the spiral shaft rod type part is unstable in recovery and is easy to distort in reconstruction under the non-Gaussian noise pollution.

The invention relates to the technical field of laser welding equipment, in particular to a laser welding device for machining a metal standard part, which comprises a rack and a knocking assembly for reducing the welding stress of the metal standard part, the knocking assembly comprises two mounting frames mounted on the rack and a guide plate for guiding the metal standard part to slide off, and a heat dissipation assembly for cooling the metal standard part is mounted between the two mounting frames; according to the device, the knocking head and the knocking block which continuously rotate are used for knocking the metal standard part with residual heat after welding is completed to eliminate stress, the situation that the welding seam position of the metal standard part needs to be tempered and then knocked to eliminate stress in the later period is avoided, and the production efficiency is improved.

The invention relates to the technical field of ship equipment swing inclination tests, in particular to a positioning execution mechanism for ship equipment swing inclination tests, which comprises two symmetrically distributed fixed bottom plates, two connecting frames are fixedly mounted on the upper sides of the fixed bottom plates, and mounting blocks are fixedly mounted on the corresponding sides of the two connecting frames. A rotating tooth block is engaged with a first adaptive rack, a first sliding block and a second adaptive rack at the bottom of the first sliding block are driven to reciprocate, the second adaptive rack is engaged with a tooth groove in a second rotating shaft, and finally, the rotating motion of a first rotating disc is accurately converted into preset-angle reciprocating swing of the second rotating shaft; according to the series of transmission structures, continuous rotation of the motor is converted into accurate swing output, the swing amplitude of the swing rod can be linearly controlled by controlling the rotation angle of the motor, high-precision amplitude setting capacity is provided for tests, and the defects that the swing amplitude of a traditional mechanism is difficult to adjust and low in precision are overcome.

A rotary impact tool including a motor housing, an electric motor supported in the motor housing, and a drive assembly for converting a continuous torque input from the motor to consecutive rotational impacts upon a workpiece. The drive assembly includes an anvil including an anvil lug, and a hammer that is both rotationally and axially movable relative to the anvil. The hammer includes a hammer lug for imparting the consecutive rotational impacts upon the anvil lug. The rotary impact tool further includes a first printed circuit board assembly including an anvil sensor, a first carrier supporting the first printed circuit board assembly, a second printed circuit board assembly including a hammer sensor, and a second carrier supporting the second printed circuit board assembly.

The utility model discloses automatic welding equipment for the end face of a spiral plate, which relates to the technical field of welding, aims to solve the technical problem that the welding path of a spiral plate heat exchanger is single, and comprises a base, a rotating mechanism, a control operation cabinet, a cross module mechanism, a laser tracking sensor and a composite welding holder. The composite welding holder is composed of a bearing table, an indexing assembly and an execution assembly, the indexing assembly can provide two working modes of continuous rotation and intermittent rotation, and the execution assembly drives the welding gun to be overlapped on a reference spiral track to form a wavy spiral welding track and a bevel spiral welding track. Automatic welding of two kinds of high-performance welding seams is achieved through one set of equipment, the anti-fatigue advantage of a wave-shaped track and the high-strength characteristic of a bevel-shaped track are both achieved, stress distribution of the welding seams is effectively improved, and welding quality, efficiency and equipment universality are remarkably improved.

The invention discloses a gantry vertical turning and milling combined machining tool, which relates to the technical field of machine tools, and is characterized in that the gantry vertical turning and milling combined machining tool comprises a horizontal base, a gantry is arranged on the horizontal base, the gantry comprises a cross beam arranged above the horizontal base, and an X-axis saddle capable of linearly moving in the X-axis direction is arranged on the cross beam; a Y-axis sliding table capable of linearly moving in the Y-axis direction is arranged on the X-axis sliding saddle, and the bottom of the Y-axis sliding table is connected with a combined machining machine head through a rotary driving mechanism. The rotation driving mechanism comprises a B-axis rotary table fixedly installed at the bottom of the Y-axis sliding table, and an output shaft of the B-axis rotary table is arranged in the Y-axis direction and can conduct 360-degree continuous or indexing rotation. According to the gantry vertical type turning and milling combined machining machine tool, all procedures are completed through one-time clamping, the production efficiency is improved, the multi-face machining process is further optimized through continuous rotation of the working rotary table, and therefore efficient machining is achieved.

The invention discloses a rotary frame type mushroom planting square cabin, and relates to the technical field of mushroom cultivation, and the rotary frame type mushroom planting square cabin comprises a square cabin body and a multi-layer rotary cultivation system arranged in the square cabin body; the multi-layer rotary cultivation system comprises at least three cultivation layers arranged in the vertical direction; each cultivation layer comprises an annular cultivation frame, and the cultivation frame is supported in the square cabin body through a central stand column; each cultivation frame is driven by an independent driving mechanism, so that the cultivation frame rotates around the central upright post; the cultivation frame is provided with a bearing unit used for limiting the positions of mushroom sticks. Wherein the driving mechanisms of at least two cultivation layers are continuous rotation driving mechanisms, and the driving mechanism of at least one cultivation layer is an intermittent rotation driving mechanism. The annular rotary cultivation frame with at least three layers in the vertical direction is adopted, the space utilization rate in the square cabin is increased, and different growth environments can be simulated by setting two driving modes of continuous rotation and intermittent rotation.

The invention relates to the technical field of memory bank testing, in particular to a memory bank aging testing device and method.The memory bank aging testing device comprises a testing box, a testing cavity is formed in the testing box, a testing plate is arranged in the testing cavity, and a memory bank is inserted into the testing plate. A double-shaft motor is matched with an electromagnetic clutch to respectively drive a soaking mechanism and a heat recovery mechanism, a reciprocating screw rod drives an extension box to move up and down in a reciprocating manner, a toothed plate and a driving gear are in meshing transmission, so that a rotating pipe rotates while moving, and a spray pipe forms composite sweeping airflow; dehumidification and regeneration are synchronized through cooperation with continuous rotation of the rotary box, closed-loop air treatment is formed, dynamic and uniform distribution of hot air in the test cavity is achieved, temperature stratification is effectively eliminated, meanwhile, energy consumption is remarkably reduced through waste heat recovery and medium regeneration, and the test efficiency is improved. And high uniformity, high cleanliness and low-energy-consumption operation of a high-temperature aging test environment are guaranteed.

The invention discloses small-capacity injection filling equipment, and relates to the technical field of filling and sealing equipment, the small-capacity injection filling equipment comprises an equipment body, a main shaft is fixedly connected to the middle position of the top surface of the equipment body, the top end of the main shaft is rotatably connected with a rotating disc through a frame body, and a plurality of sets of storage grooves for storing medicine bottles are formed in the edge position of the rotating disc; a feeding plate is arranged on one side of the rotating disc, a discharging plate is arranged on the other side of the rotating disc, and a filling machine is fixedly installed on the equipment body. The device is reasonable in structure, medicine bottles on the feeding plate can conveniently enter the storage groove one by one through the feeding assembly, then the medicine in the storage groove is fixed through the clamping assembly, finally, the rotating disc is rotated through the driving assembly, and the filling machine quantitatively injects the medicine into the medicine bottles; and the medicine bottles are moved to the discharging plate through continuous rotation of the rotating disc for next packaging work.

The invention relates to the technical field of pork processing, in particular to a pork processing and slitting device which comprises a conveying unit for vertically conveying pork downwards and a rotating disc located below the conveying unit and arranged opposite to the conveying unit. The plurality of through holes are distributed in the circumferential direction of the turntable; by means of continuous rotation of the rotating disc, the multiple through openings are sequentially moved to the position below pork conveyed by the conveying unit, so that the pork can conveniently move downwards and penetrate through all the through openings, then the pork is lifted through the lifting structure, the cutting thickness of the pork can be continuously and automatically limited, and the cutting efficiency is improved. And the slitting knife in each through hole synchronously rotates along with the turntable and cuts the positioned pork, so that the continuous and automatic slitting processing of the pork is realized, the structure and the operation mode are simple, the slitting continuity is high, and the working efficiency can be greatly improved.

The invention belongs to the technical field of tunnel construction, and particularly relates to tunnel new energy operation equipment and an energy consumption control method thereof.The tunnel new energy operation equipment comprises a crawler chassis, the crawler chassis is driven by a motor, an electric telescopic arm is fixedly installed on the surface of the crawler chassis, and an external cable is slidably connected to the inner wall of the electric telescopic arm; the external cable is used for being connected with a power grid to provide electric energy for operation equipment. According to the tunnel new energy operation equipment and the energy consumption control method thereof, by arranging the energy storage driving control mechanism and the rotary conductive mechanism, seamless switching and 360-degree continuous rotation operation of the equipment in a power grid direct supply mode and a battery power supply mode are achieved when the equipment is used, and waste gas pollution in a tunnel is fundamentally eliminated. The system has the characteristics of zero emission, low noise and high energy utilization rate, the direct electric charge and ventilation energy consumption are remarkably reduced, the comprehensive energy consumption is reduced, and a brand new green and efficient equipment solution is provided for tunnel construction.

The invention relates to the technical field of sampling equipment, in particular to a sampling device for iron ore detection, which comprises a plurality of symmetrically arranged stand columns, every two of the plurality of stand columns form a group, the tops of the two stand columns in the same group are jointly and fixedly connected with I-shaped steel rails, the tops of the two I-shaped steel rails are jointly provided with a transverse moving mechanism, and the transverse moving mechanism is provided with a lifting mechanism. The lifting mechanism and the sampling mechanism are used in cooperation, iron ore powder is conveyed into the sampling barrel through rotary lifting of a plurality of screw rods, multi-point synchronous sampling and sampling inspection of the iron ore powder are achieved, compared with single-point sampling, the working efficiency is high, after multi-point sampling, the sampling efficiency is high, and the sampling efficiency is high. The sampling mechanism is drawn out of iron ore powder, a plurality of sampled samples enter the stirring box from the material leakage opening along with continuous rotation of the driving gear, under the action of the premixing assembly, primary premixing of the samples is achieved, and the pressure of the follow-up mixing step is reduced.

The application discloses a cutter for machining a tapered hole and relates to the technical field of cutters. The cutter for machining a tapered hole is characterized by the following: an inner lining assembly is arranged in the cutter body; when the cutter body starts to perform a hole opening operation on a hole opening plane, the cutter body will vibrate; the rubber sleeve arranged in the cutter body can buffer and absorb the vibration and has a protection effect, thereby preventing resonance; the abutting piece and the connecting column arranged in the cutter body can improve the structural strength of the cutter body and the supporting effect from the inside to the outside, thereby preventing the cutter body from being bent or broken during hole opening; the service life of the cutter body is prolonged; the cutter body is matched with the cutting edge; the cutter can open a tapered hole with a certain precision; the generated metal scraps can be automatically discharged through the slag discharge groove; the cutter can prevent the problem of continuous rotation and biting of the cutter in the tapered hole; and the cutter has an auxiliary effect on improving the hole opening precision.

The utility model relates to the field of glass bottle processing, and particularly discloses a glass bottle bottom flatness correcting device which comprises a supporting base, a carrying disc is arranged above the supporting base, a supporting base is fixedly connected to the back face of the supporting base, and an electric cylinder is fixedly installed on the inner bottom wall of the supporting base. A lifting plate is fixedly installed at the telescopic end of the electric cylinder, a vertical plate is fixedly connected to the upper surface of the lifting plate, a top plate is fixedly connected to the upper surface of the vertical plate, a machine head is fixedly installed on the bottom face of the top plate, and a distance measuring sensor is fixedly installed on the front face of the supporting seat. According to the glass bottle bottom flatness correcting device, through movement of the electric cylinder, the lifting plate, the top plate and the machine head can be driven to move downwards, the effect of pressing the bottom of the glass bottle to be flat is achieved, through continuous rotation of the carrying disc and the glass bottle, the glass bottle can be continuously corrected and machined, and the flatness correcting speed of the bottom of the glass bottle is increased; and the labor cost is reduced.

The utility model discloses a convenient-to-adjust picking device for earphone leather sheath processing, which comprises a side plate, the inner side wall of the side plate is rotatably connected with a transmission cylinder, the outer surface of the transmission cylinder is lapped with a conveyor belt, and one end of the transmission cylinder penetrates through the inner side wall of the side plate and extends to the outer surface of the side plate. According to the convenient-to-adjust picking device for earphone leather sheath processing, a crankshaft, a chain wheel, an ejector rod, a sliding rod and a top plate are arranged, a transmission cylinder rotates to drive a conveying belt to rotate, leather sheaths needing to be picked are poured to one end of the conveying belt and then are slowly conveyed through the conveying belt, and at the moment, workers on the two sides can screen and pick the leather sheaths on the conveying belt; by means of the sliding effect of the transverse plate and the sliding rod, the crankshaft continuously rotates to drive the ejector rod to enable the sliding rod to reciprocate up and down, so that the ejector plate is driven to move up and down, the conveying belt at the position fluctuates up and down, the piled leather sheaths on the conveying belt are shaken away, workers can directly screen and pick the leather sheaths conveniently, and therefore omission is reduced.

The utility model belongs to ship equipment technical field discloses a kind of wave compression device and boat. Wave compression device includes hinged six-bar mechanism, spoiler piece and rotary drive part, rotary drive part drives spoiler piece rotation by hinged six-bar mechanism, to make spoiler piece have the working position of extension into water. The utility model is driven by first connecting rod continuous rotation, by the hinged transmission of fourth connecting rod and spoiler piece, the swing angle of spoiler piece is naturally limited by the rotation range of first connecting rod, without setting rigid stroke end, allowing rotary drive part continuous rotation, without reversing, avoid the "overshoot phenomenon" of traditional reciprocating motion, eliminate the vibration, wear and tear and control deviation problem caused by overshoot fundamentally.

The invention belongs to the technical field of numerical control forming equipment, and particularly relates to numerical control forming equipment for medical double-strand yarn products. A supporting frame is slidably connected to one side of the top of the workbench, a material pressing assembly is fixedly connected to the top of the supporting frame, a driving assembly is arranged on one side of the interior of the material pressing assembly, and the side, away from the material pressing assembly, of the driving assembly is fixedly connected with the outer wall of the workbench through a support. The first air cylinder horizontally moves in the radial direction of the hollow sliding cavity, the wound medical double-strand wire is horizontally stretched, finally, the traction hook is driven by the output end of the first air cylinder to ascend and descend so as to adjust the traction position of the end of the medical double-strand wire, the end of the adjusted medical double-strand wire can be connected to a limiting pin column on the winding drum in a sleeving mode, and therefore the medical double-strand wire is wound. And the formed medical double-strand wire can be conveniently wound after the winding drum continuously rotates, and the processing quality of the medical double-strand wire is improved.

The invention relates to the technical field of display screen machining equipment, in particular to folding screen machining clamping equipment which comprises a workbench, a direction adjusting structure is arranged on the workbench, a clamping structure and an angle adjusting structure are arranged on the direction adjusting structure, and the direction adjusting structure comprises a first gear and a machining table. A first motor is arranged on one side of the workbench, the output end of the first motor penetrates through the workbench to be connected with a first gear, a rotating rod is arranged on the workbench in a rotating connection mode, and a supporting table connected with the machining table is arranged on the rotating rod. A direction adjusting structure and an angle adjusting structure are creatively integrated, the direction adjusting structure drives a gear to conduct transmission through a motor, the whole machining table and a clamped screen are driven to achieve 360-degree continuous rotation in the horizontal plane, and machining or detection can be conveniently conducted from different directions.

The utility model relates to the field of shaking-up equipment, in particular to a shaking-up device, which comprises a tensioning clamp, a shaking-up device and a shaking-up device, the driving mechanism comprises a power source; the power source is in indirect transmission connection with the inner rotating shaft to drive the inner rotating shaft to rotate in the circumferential direction; the inner rotating shaft is matched with the tensioning clamp to clamp the pipe body and drive the pipe body to rotate by 360 degrees on the vertical plane, and the pipe body is shaken up; the clutch ring comprises an outer rotating shaft and a clutch disc; the outer rotating shaft is sleeved on the inner rotating shaft, the outer rotating shaft is driven by a power source, and the inner rotating shaft and the tensioning clamp are driven by the clutch disc to switch between a tightening state and a loosening state; the locking mechanism is used for controlling the inner rotating shaft to be locked in the loosening state; and in the tightening state, the locking action is contacted, so that the shaking action is realized. By means of the structure, 360-degree continuous rotation of the tube body on the vertical plane can be effectively achieved, and the problems that an existing sample shaking-up device is small in swing amplitude, poor in shaking-up effect and low in shaking-up speed are solved.

The utility model discloses a double-sided milling cutter capable of rotating automatically, the double-sided milling cutter comprises a cutter body and a plurality of wheel-shaped blades, the cutter body comprises a milling surface for milling, the plurality of blades are uniformly arranged on the milling surface around the axis of the milling surface, and the movement direction of the blades intersects with the axis. By arranging the self-rotating blade, all the cutting edges on the circumference of the blade uniformly participate in cutting, the installation angle of the blade does not need to be replaced by manual shutdown, and the extrusion force between the blade and a workpiece can be reduced, so that the cutting feeding speed is greatly improved, and all the cutting edges on the circumference of the blade are ensured to uniformly participate in cutting; meanwhile, through continuous rotation of the blade, the chip removal performance and the heat dissipation performance in the cutting process are improved, the service life of the cutter is effectively prolonged, and defects of the machined surface are restrained.

The application relates to an intelligent temperature control moisturizing skin protection device for tumor radiotherapy patients, which comprises an intelligent humidifier body, a telescopic pipe fixedly connected to a liquid outlet of the intelligent humidifier body, a supporting bottom plate, a bearing disc rotatably connected to the surface of the supporting bottom plate, a cross trajectory groove and at least one radial hole formed in the bearing disc, the intelligent humidifier body arranged on the bearing disc, a transmission structure arranged in the supporting bottom plate and an auxiliary structure. The driving member drives the rotating column to continuously rotate, and a set of connecting rod mechanisms are used to convert the rotating motion into specific sector reciprocating swing of the contact wheel, the contact wheel drives the cross trajectory groove on the bearing disc, and finally drives the bearing disc and the intelligent humidifier on the bearing disc to intermittently rotate, so that the output of the moisturizing medium is no longer limited to before and after treatment, but can be continuously carried out during a single treatment lasting for dozens of minutes, and real-time and active protection of the skin is realized.

The near-end elastic consumable wire feeding structure comprises a device plate, fixing blocks are transversely and fixedly connected to the middle of the top and the middle of the bottom of the surface of the front end of the device plate, and belt wheels are transversely and rotationally connected to the positions, located on the two sides between the two fixing blocks, of the surface of the front end of the device plate. The two belt wheels on the same side are in transmission connection through a belt. According to the near-end elastic consumable wire feeding structure, four belt wheels are arranged, when the near-end elastic consumable wire feeding structure is used, the two belt wheels on the two sides are in transmission connection through a belt, and consumables enter the near-end elastic consumable wire feeding structure through a feeding opening formed in a fixing block at the top end of a device plate; and then the consumables can be clamped by the belts on the belt wheels on the two sides and are driven by the belts to move downwards in the continuous rotation process of the belt wheels until the consumables are discharged through the feeding port in the bottom end, and the structure enables the consumables and the transmission structure to be always kept in face-line contact, so that the overall conveying stability is improved.

This utility model belongs to the field of food processing, specifically a frozen rice cake conveying device, including a frame. Multiple drive rollers are rotatably connected inside the frame. A drive motor is mounted on the side of the frame, and the output end of the drive motor is fixedly connected to the drive rollers. A conveyor belt is mounted on the drive rollers. A support roller is rotatably connected to the middle of the frame, and multiple grooves are formed on the support roller. A striking plate is slidably connected inside the groove, and a spring is installed between the striking plate and the side wall of the groove. A vibrating motor is fixedly connected to the side of the frame, and the output end of the vibrating motor is fixedly connected to the support roller. The moving striking plate collides with the inner wall of the conveyor belt and squeezes it, causing the striking plate to slide into the groove. The spring is compressed, and the continuous rotation of the support roller strikes the conveyor belt, causing the bottom of the frozen rice cake to vibrate and separate, thus facilitating unloading and reducing the problem of frozen rice cakes sticking together and being difficult to remove.

The utility model relates to a circular rail rotary ultraviolet disinfection device for a bottle body. The circular rail rotary type bottle ultraviolet disinfection device comprises a shell, a circular turntable and a speed reduction driving motor, the shell comprises side plates and a circular back plate, and a square notch is formed in the bottom of the back plate; an output shaft of the speed reduction driving motor penetrates through a back plate of the shell and the center of the circular turntable and then drives the circular turntable; a plurality of blocking assemblies are uniformly fixed on the circular turntable and are circumferentially distributed around the center of the circular turntable; and a plurality of ultraviolet lamps are arranged in the device and are circumferentially distributed around the center of the circular turntable. According to the circular rail rotary type bottle body ultraviolet disinfection device disclosed by the utility model, after the bottle bodies are fed into the circular rail, the bottle bodies can be sequentially separated in the process of moving along the circumference of the rail, so that the bottle bodies can be fully irradiated by the ultraviolet lamp to ensure all-around disinfection of the bottle bodies; meanwhile, the continuous rotation of the circular turntable and the blocking assembly ensures the continuity of the bottle body disinfection process.

Ring wrench structure, comprehensive a main body (10) forming a first receiving section (11) at one end, the main body (10) having a handle section (12) connected to the first receiving section (11), wherein a receiving recess (13) is formed inside the first receiving section (11), the receiving recess being annular and having twelve teeth, the receiving recess (13) forming a first corner (14) being one of the corners between the teeth of the receiving recess (13), and wherein a second receiving section (15) is provided at the other end of the handle section (12). characterized by the fact that Viewed in two dimensions, a first circle center (21) is defined in the center of the receiving recess (13), through which a first line (22) runs, which can also serve as a horizontal line, wherein a second line (23) also runs through the first circle center (21), connecting the first circle center (21) with the first corner (14), wherein a first angle (24) is formed between the second line (23) and the first line (22), wherein a third line (25) is defined at the handle section (12), which runs parallel to the first line (22) and extends in the same direction as the handle section (12), wherein the third line (25) is the center line of the handle section (12), that is, starting from the third line (25) two fourth lines (26) are defined, which run perpendicular to the third line (25) and are symmetrical to the third line (25),where a first distance (27) is defined between the third line (25) and the first line (22); , wherein the value of the first angle (24) is less than 30 degrees and greater than 0 degrees, or the value of the first angle (24) is less than 20 degrees and greater than 2.5 degrees, or the value of the first angle (24) is less than 15 degrees and greater than 5 degrees, or the value of the first angle (24) is 5 degrees, 7.5 degrees, 10 degrees, 12.5 degrees or 15 degrees, wherein the value of the first distance (27) is less than 8 mm and greater than 1 mm, or the value of the first distance (27) is less than 6 mm and greater than 2 mm, or the value of the first distance (27) is less than 5 mm and greater than 3 mm, or the value of the first distance (27) is 4 mm;wherein, when the first receiving section (11) is attached to a screw element (30) for rotation, this screw element (30) has a second circle center (31), wherein this second circle center (31) substantially coincides with the first circle center (21), wherein a fifth line (32) runs horizontally through the second circle center (31), wherein the screw element (30) has a second corner (34) which is one of the corners of the screw element (30), wherein a connecting line (33) is defined between the second circle center (31) and the second corner (34), wherein in the first state the second corner (34) and the second circle center (31) are on the same horizontal line, wherein the connecting line (33) and the fifth line (32) coincide; ; wherein a first obstacle (41) and a second obstacle (42) are present, wherein if the second receiving section (15) can only pivot within the narrow space between the first obstacle (41) and the second obstacle (42), then this narrow space between the first obstacle (41) and the second obstacle (42) corresponds to the spatial state during the working process within a limited pivoting space of the main body (10); in the first state the second receiving section (15) is located near the first obstacle (41) after the first receiving section (11) has been attached to the screw element (30), wherein a horizontal line (50) passes through the first circle center (21), the horizontal line (50) coinciding with the fifth line (32), and a first swivel angle (51) being defined between the horizontal line (50) and the first line (22);wherein the screw element (30) is rotated by pivoting the main body (10), wherein, when the screw element (30) has been rotated about the second circle center point (31) into the second state, there is no further pivot space between the second receiving section (15) and the second obstacle (42), i.e., that the main body (10) cannot rotate the screw element (30) any further, wherein a second pivot angle (52) is defined between the horizontal line (50) and the first line (22), wherein the main body (10) is pivoted about the second circle center point (31) by the first pivot angle (51) and the second pivot angle (52), wherein a first rotation angle (35) is defined between the connecting line (33) and the fifth line (32), wherein the value of the first rotation angle (35) corresponds to the sum of the values ​​of the first pivot angle (51) and the second pivot angle (52); ; wherein, when the screw element (30) cannot be rotated further, the main body (10) is turned, wherein a third pivot angle (53) is defined between the first line (22) and the horizontal line (50), and the first rotation angle (35) is defined between the fifth line (32) and the connecting line (33), which represents the third state, wherein a fourth pivot angle (54) is defined between the horizontal line (50) and the first line (22), wherein the angle between the fifth line (32) and the connecting line (33) increases from the original first rotation angle (35) by a second rotation angle (36), wherein the second rotation angle (36) corresponds to the sum of the third pivot angle (53) and the fourth pivot angle (54), wherein, when the main body (10) is moved between the first obstacle (41) and the second obstacle (42) after turning, the handle section (12) has a pivot space,which corresponds to the sum of the third swivel angle (53) and the fourth swivel angle (54); and , wherein from the first state to the fourth state the screw element (30) is already rotated by a swivel range which corresponds to the sum of the first rotation angle (35) and the second rotation angle (36), wherein the sum of the values ​​of the first rotation angle (35) and the second rotation angle (36) is greater than 30 degrees, and wherein the first receiving section (11) can be turned again to continuously rotate the screw element (30).

The intermittent double-row point fertilization device comprises a fertilizer cavity shell and a gear box, the fertilizer cavity shell is internally provided with a double-row point fertilization assembly, the double-row point fertilization assembly comprises a pipe body one and a pipe body two, the pipe body two is inserted into the pipe body one, and both ends of the pipe body two are respectively outwardly penetrated from both ends of the pipe body one, and both ends of the pipe body one are respectively provided with a first rotating wheel and a first gear; in summary, the intermittent double-row point fertilization device is connected with a fertilizer distributor through a top fertilizer inlet, and then the fertilizer is guided to fall into a fertilizer groove by a fertilizer discharge pipe; the fertilizer falls into two chambers, and the continuous rotation of a motor is converted into intermittent motion through two groups of groove wheel mechanisms, so that the first gear and the second gear are alternately rotated, and the first gear and the second gear rotate by an angle of 90° each time, the first rotating wheel and the second rotating wheel are rotated to realize fertilizer discharge, and finally, intermittent and alternate fertilization is realized, the overall structure is reasonable in design, the double-row plants are simultaneously intermittently fertilized, the efficiency is high, and the fertilizer utilization rate is high.

The invention belongs to the technical field of lightning protection device testing, and particularly relates to a multi-station connection lightning protection device efficient testing device which comprises a base, a baffle is fixedly installed at the position, close to the rear side, of the top of the base, and a testing assembly is arranged on the front side of the baffle. The periphery of the eccentric wheel extrudes a pressing plate to move downwards, when the pressing plate moves downwards, a first spring is firstly extruded, along with continuous rotation of the eccentric wheel, the pressing plate makes contact with the top of the lightning protection device body and continues to move downwards, at the moment, a movable plate is pushed to move downwards through the action of the first spring, and then a second spring is extruded; the lightning protection device main body pin is in contact with the conductive block to test the lightning protection device main body, and the lightning protection device main body pin and the conductive block on the detection assembly are inserted more stably and accurately, so that the test precision of the lightning protection device is ensured, and the safety of power distribution switch control equipment such as an intelligent power distribution system and facilities is improved.

The utility model discloses an anti-blocking spray head of a visual glue pouring machine, belongs to the technical field of anti-blocking spray heads of visual glue pouring machines, and solves the problem that the spray head is easy to block. Comprising a nozzle body, the inner wall of the nozzle body is fixedly connected with a cleaning mechanism and an anti-blocking mechanism, the cleaning mechanism comprises a filter plate fixedly connected to the inner wall of the nozzle body, and the outer surface of the filter plate is rotatably connected with a cleaning frame. According to the anti-blocking spray head, a spiral conveying paddle in the anti-blocking mechanism generates axial pushing force through continuous rotation, it can be ensured that glue always keeps a flowing state in the spray head body, the glue is effectively prevented from being solidified and precipitated due to long-time retention, the risk that the spray head is blocked is remarkably reduced, and meanwhile when the temperature of the glue is too low, the glue cannot be blocked. And the resistance heating wire is automatically started to heat the glue, so that the liquidity of the glue is improved, the glue can smoothly flow out of the spray head, and the glue filling effect and precision are ensured.