19results about How to "Accurate spacing" patented technology

The invention discloses insect prevention, irrigation and fertilization integrated equipment based on vegetable greenhouse planting. The insect prevention, irrigation and fertilization integrated equipment comprises a walking frame, a lifting mechanism, an inclination angle adjusting mechanism and an operation mechanism. The lifting mechanism is installed on the walking frame, and the dip angle adjusting mechanism is connected with the lifting mechanism and ascends and descends along with the lifting mechanism. In the operation mechanism, an assembling support is matched with the inclination angle adjusting mechanism, and a main folding and unfolding support is installed on the assembling support in a sliding mode. The alignment adjusting assembly is in power connection with the main folding and unfolding support. And the folding and unfolding adjusting assembly is in power connection with the auxiliary folding and unfolding supports. The driving assembly is in power connection with the alignment adjusting assembly and the folding and unfolding adjusting assembly; the spraying assembly comprises a nozzle, a liquid supply connecting pipe and a scissors fork type mechanism, the scissors fork type mechanism is mounted on the main and auxiliary retractable brackets, the liquid supply connecting pipe is uniformly assembled on the scissors fork type mechanism, and the nozzle is connected to the liquid supply connecting pipe. The production efficiency of greenhouse vegetables can be effectively improved, the cost is reduced, the resource waste is reduced, and the requirements of efficient, energy-saving and sustainable agricultural development are met.

The utility model discloses a non-woven fabric folding device, and relates to the technical field of non-woven fabrics. The non-woven fabric folding device comprises a feeding device, an overturning device, a first mechanical clamping jaw and a second mechanical clamping jaw. The feeding device is used for conveying non-woven fabrics to the folding station; the first mechanical clamping jaw and the second mechanical clamping jaw are arranged on the turnover device corresponding to the folding station; wherein the first mechanical clamping jaw is used for clamping the non-woven fabric to form a first clamping part, and the second mechanical clamping jaw is used for clamping the non-woven fabric to form a second clamping part; the first clamping part and the second clamping part are distributed at an interval along the length direction of the non-woven fabric; the turnover device is used for driving the first mechanical clamping jaw and the second mechanical clamping jaw so that the non-woven fabric between the first clamping part and the second clamping part can be turned over in the length direction of the non-woven fabric to form a non-woven fabric pile. According to the non-woven fabric folding device, the uniformity of all layers of non-woven fabric sections in a non-woven fabric pile formed by folding can be improved.

The utility model relates to an overhead line system channel positioning device which comprises a positioning frame and at least two positioning plates arranged on the bearing face of the positioning frame, the at least two positioning plates are arranged at intervals in the length direction of the positioning frame, a plurality of positioning grooves are formed in the upper side edges of the at least two positioning plates, and the positioning grooves of the at least two positioning plates correspond to each other. The projections of the penetrating opening faces of the corresponding positioning grooves of the at least two positioning plates in the length direction of the positioning frame coincide with one another. According to the method, the assembly welding quality of the catenary channel group can be improved.

The utility model discloses a rotary traction stranding machine, which comprises a rack, a rotary bracket, a first leading wheel, a second leading wheel, a first driving mechanism and a second driving mechanism, the rotating bracket is rotationally arranged on the rack around the central shaft of the rotating bracket; the first leading wheel and the second leading wheel are sequentially pivoted to the rotating bracket; the first driving mechanism drives the first leading wheel to rotate; the second driving mechanism drives the rotating support to rotate. The rotating support comprises a first main shaft, a first supporting disc, a second main shaft, a second supporting disc, a pair of upper supporting shafts and a pair of lower supporting shafts. The first supporting disc is fixed to the first main shaft, the second supporting disc is fixed to the second main shaft, the pair of upper supporting shafts is fixed between the first supporting disc and the second supporting disc, and the pair of lower supporting shafts is fixed between the first supporting disc and the second supporting disc. A fixing clamp is arranged between the upper supporting shaft and the lower supporting shaft which are located on the same side. The rotating shaft has the advantages of being high in concentricity, stable in rotation and long in service life.

The invention discloses a digging device for landscaping, and relates to the technical field of landscaping, the digging device comprises a telescopic column, a screw rod, a rotating rod, a scattering column, a sliding plate, a straight plate, a push plate, a driving lever, a sliding plate A, a triangular plate and a square plate, the fixed end of the telescopic column is fixedly mounted at the bottom of the sliding plate A, and one end of the driving lever is fixedly mounted at the free end of the telescopic column; the fixed end of the telescopic device is fixedly installed at the bottom of the sliding plate A, one end of the screw rod is rotatably installed at the bottom of the telescopic device, a spiral groove is formed in the circumferential surface of the screw rod, when the screw rod rotates, a rotating rod is driven to move, when the rotating rod moves, a scattering column is driven to move, and soil in the digging claw can be scattered; meanwhile, internal weeds can be smashed, the influence on the growth of subsequent plants is prevented, and meanwhile, the situation that the seeds cannot be buried by blocky soil can be prevented.

The invention relates to the technical field of formwork supporting, in particular to a wall formwork supporting framework and a construction method thereof.The wall formwork supporting framework comprises opposite-pull screws and two side formworks and further comprises gaskets, the two side formworks are arranged at intervals according to the thickness of a wall, and bolt through holes are formed in the positions, corresponding to the opposite-pull screws, of the two side formworks respectively; the opposite-pull screw rod sequentially penetrates through the two side templates; gaskets are respectively arranged on the inner sides of the two side templates, the gaskets are in threaded connection with the opposite-pull screw rods, and the outer sides of the gaskets are tightly propped against the inner surfaces of the side templates; an inner side nut and an outer side nut are arranged on the two sides of each side formwork respectively, the gaskets are arranged between the inner side nuts and the side formworks, and the inner side nuts and the outer side nuts lock the side formworks and the gaskets. The formworks on the two sides are accurately positioned, displacement is avoided, the thickness of the formed wall is consistent, protection layers are formed at the two ends of the opposite-pull screw, and the hidden danger of water leakage is eliminated.

The application relates to a bamboo rotary cutting device, a supporting slide frame, a clamping frame arranged at one end of the supporting slide frame, a rotary cutting slide rail arranged at the upper portion of the supporting slide frame, a sliding cutter frame arranged on the rotary cutting slide rail at one side of the bottom of the clamping frame, a hinged cutter frame arranged in the sliding cutter frame, a rotary cutter horizontally arranged in the hinged cutter frame, a supporting slide rail hingedly arranged at one end of the bottom of the supporting slide frame close to the clamping frame, and a lifting rod arranged at the other end of the bottom of the supporting slide frame. The following technical effects can be achieved: the eccentric shaft frame and the cutter distance screw rod can be used in cooperation to finely adjust the vertical distance between the pressure ruler and the rotary cutter; the pushing screw rod can be used to horizontally adjust the horizontal position of the pressure ruler; the lifting rod can be used to adjust the angle of the supporting slide rail; the hinged cutter frame sliding on the supporting slide rail can be inclined according to the height of the supporting slide rail; the rotary cutter can always keep the optimal cutting angle with the surface of the wood, and the uneven thickness can be avoided.

The invention discloses a multifunctional metal suspended ceiling connecting structure, and relates to the technical field of metal suspended ceilings, the multifunctional metal suspended ceiling connecting structure comprises a connecting mechanism, the bottom of the connecting mechanism is fixedly connected with a horizontal adjusting mechanism, and the bottom of the horizontal adjusting mechanism is fixedly connected with a mounting mechanism. According to the device, whether a second connecting plate is located at the horizontal position or not is observed through a bubble level, if the second connecting plate is not located at the horizontal position, a second adjusting knob is rotated to drive an adjusting screw rod to rotate, and therefore the extending length of the adjusting screw rod in a second threaded sleeve is adjusted; further, the heights of the four corners of the second connecting plate are accurately adjusted, the position of the second connecting plate is adjusted to be horizontal, it is guaranteed that the position of the mounting mechanism is kept horizontal, the mounting position of the metal ceiling plate is kept horizontal, and by adjusting the mounting position of the metal ceiling plate to be horizontal, all the ceiling plates can be accurately in butt joint on the same plane; the splicing position is tight and seamless, and gaps and edge warping caused by height difference are effectively prevented.

A multi-wavelength laser includes a reference wavelength-tunable laser, N-1 secondary wavelength-tunable lasers, N beam splitters, a phase modulator, and N-1 frequency difference detection apparatuses. The reference wavelength-tunable laser is connected to one beam splitter, the beam splitter includes two output ports, and one of the output ports is connected to the phase modulator. The phase modulator is separately connected to the N-1 frequency difference detection apparatuses. The N-1 secondary wavelength-tunable lasers one-to-one correspond to remaining N-1 beam splitters and the N-1 frequency difference detection apparatuses. The secondary wavelength-tunable laser is connected to a corresponding beam splitter, the corresponding beam splitter includes two output ports, and one of the output ports is connected to a corresponding frequency difference detection apparatus. N is a positive integer not less than 2. A multi-wavelength optical signal generated by the phase modulator has a precise frequency spacing. Therefore, compared with an existing multi-wavelength laser, the multi-wavelength laser disclosed in this application has higher frequency offset precision.

The invention relates to the technical field of machining devices, and particularly discloses a composite material photovoltaic frame clamping sleeve mounting device which comprises a feeding conveying line, a discharging conveying line, a supporting bottom frame and a vibration disc base, the vibration disc base is fixedly connected to one side of the supporting bottom frame, and the feeding conveying line and the discharging conveying line are located on the same straight line. The feeding conveying line is located on the side, away from the vibration disc base, of the supporting bottom frame. The discharging conveying line is located on the side, away from the supporting bottom frame, of the vibration disc base. An interval conveying assembly and a feeding assembly are arranged between the feeding conveying line and the discharging conveying line, the feeding assembly is connected with the feeding conveying line, and the interval conveying assembly is connected with the discharging conveying line; the two ends of the upper portion of the supporting bottom frame are each provided with a movable bottom plate in a sliding mode, and each movable bottom plate is fixedly provided with a plug clamping sleeve assembly. According to the invention, full-automatic processing operation can be carried out on the photovoltaic frame, the working efficiency is improved, the labor cost is reduced, and the rejection rate is reduced.

A perforating machine feeding positioning mechanism belongs to the technical field of perforating machines and comprises a perforating machine workbench, a base is mounted at the top end of the perforating machine workbench, a lead screw is rotatably mounted in an inner cavity of the base in the horizontal direction and intermittently and circumferentially rotates through an intermittent rotating mechanism, and the outer wall of the lead screw is in threaded connection with a moving seat. The top end of the movable seat is connected with a positioning part; a workpiece is positioned in an inner cavity of the positioning part; the intermittent rotating mechanism comprises a driving part and a rotating part. The workpiece does not need to be repeatedly disassembled and fixed after being positioned in the inner cavity of the fixed seat, the position of the workpiece can be adjusted by driving the fixed seat and the positioned workpiece to integrally move, the unnecessary step of repeatedly positioning the workpiece is omitted, meanwhile, it can be guaranteed that the advancing distance of the workpiece is the same every time, and the working efficiency is improved. And therefore, the outer wall of the workpiece can be accurately perforated at equal intervals.

The application discloses a roll changing pile falling detection system and method and a roll changing trolley, and relates to the technical field of roll changing. The roll changing pile falling detection system comprises a measuring device and a detection terminal. The measuring device is used for outputting the pitch angle of the roll changing trolley and the first measuring distance between the roll changing trolley and the roll to be changed when the roll changing trolley performs the pile falling detection task of the roll to be changed. The detection terminal is used for outputting the pile falling detection result of the roll to be changed according to the pitch angle and the first measuring distance. Since the pitch angle of the roll changing trolley affects the distance measuring accuracy, the detection system corrects the first measuring distance according to the pitch angle, so that the interval distance between the roll changing trolley and the roll to be changed is determined more accurately, the measurement error caused by the wheel wear or horizontal position deviation of the roll changing trolley is eliminated, the pile falling state of the upper roll during the roll changing of the rolling mill can be detected with high accuracy, and the accuracy of the pile falling detection during the roll changing of the rolling mill is improved.

The utility model provides a device is cut open to tofu strip, include: support, the inboard of both ends of support is fixed with linear guide respectively Installation has the sliding block of linear guide inboard sliding installation, install the blade module support between left and right two sliding blocks, support top fixed installation has double stroke pneumatic cylinder, double stroke pneumatic cylinder drives blade module support up and down movement, the blade module support includes: guide shaft, connecting shaft, first connecting rod, blade module and second connecting rod, install the blade module on the front and back two guide shafts through a plurality of connecting shafts, first connecting rod and second connecting rod, the blade module includes: first blade unit module and second blade unit module. This kind of device is cut open to tofu strip, can play to tofu strip automatic cutting, then equidistantly open, by the belt of being placed below and take the tofu piece of opening to the next station.

The utility model provides an aluminum veneer reinforcing rib installation distance adjusting device which comprises an aluminum veneer installation operation table. A sliding rod is arranged above the aluminum veneer mounting operation table; a plurality of sliding sleeves are arranged on the sliding rod in a sliding manner; the bottom of each sliding sleeve is connected with a distance adjusting assembly. The spacing adjusting assembly comprises a first lifting air cylinder fixed to the bottom of the sliding sleeve, a connecting plate and a spacing adjusting plate. A cylinder shaft of the first lifting cylinder is fixed with the connecting plate; the bottom of the connecting plate is connected with the spacing adjusting plate; the left end and the right end of the distance adjusting plate are connected with end limiting plates. Measurement is not needed when reinforcing ribs are installed on the back face of the aluminum veneer, the aluminum veneer is rapid and convenient to install, and work efficiency is improved.

This utility model provides a pipe positioning clamp with scale markings, belonging to the field of pipe positioning clamp technology. The utility model includes a threaded rod rotatably connected between the inner walls of the vertical ends of two U-shaped support frames. A rotating wheel is fixedly installed on the outer surface of the threaded rod. A sliding rod is fixedly installed between the inner walls of the vertical ends of the two U-shaped support frames. Two sliding plates are threadedly connected to the surface of the threaded rod. A vertical plate is fixedly installed on one side of the sliding plate. A first clamping ring is fixedly installed at the end of the rod away from the vertical plate. A second clamping ring is slidably connected to the outer surface of the rod. This utility model, through the marking device, allows the sliding plates to move smoothly along the sliding rod by the cooperation of the threaded rod and the reverse thread, simultaneously adjusting the positions of the clamping rings on both sides. Combined with the scale lines on the U-shaped support frame, the pipe spacing can be read intuitively, eliminating the need for repeated measurements with a tape measure and greatly simplifying the adjustment process.

The utility model provides a hoisting tool for roll-core transformer production, which belongs to the technical field of roll-core transformer production and comprises a portal frame and a hoisting mechanism arranged at the upper end of the portal frame, and guide components for guiding the hoisting mechanism are arranged on two sides of an inner cavity of the portal frame. The guide assembly comprises guide plates symmetrically arranged on the two sides of an inner cavity of the portal frame, the middle of the hoisting mechanism is slidably connected with a guide rod, the two ends of the guide rod are rotationally connected with guide wheels, the guide wheels are in sliding fit with the adjacent guide plates on the same side, and the two ends of the guide rod are further provided with limiting assemblies used for limiting the guide rod. By means of the hoisting mechanism, horizontal shaking in the hoisting process of the roll-core transformer is eliminated, linearity of a vertical lifting track is guaranteed, and potential safety hazards caused by load deviation are avoided.

The invention discloses a mounting and adjusting method of an annular frame. The technical problem that in the prior art, the mounting precision of a mounting mode of the annular frame is difficult to meet the specified requirement is solved. The mounting and adjusting method of the annular frame comprises the following steps that the distance between a guide rail in the frame body and the circle center of the annular frame is determined; determining the height of a lower rail of the plurality of frame bodies; and the distance between every two adjacent frame bodies is determined. According to the mounting and adjusting method of the annular frame, the radius and the elevation of the annular frame and the distance between the two adjacent frame bodies can be controlled, so that the matching precision of the annular frame and the supporting rollers is improved, the parking position of the annular frame is more accurate, and the action and stop control of the annealing furnace is smoother.

The invention discloses a new energy automobile safety test flushing operation device which comprises an insulating ground mat, a flushing support and a nozzle. The insulating ground mat is arranged on a terrace, and a plurality of positioning marks are arranged on the surface of the insulating ground mat; the flushing support is arranged on an insulating ground mat and comprises a fixing support, the fixing support is of a cuboid frame structure, and nozzles are arranged on the four sides of the fixing support. By using the new energy automobile safety test flushing operation device, the automobile is flushed from multiple directions through the device, and the flushing test efficiency is improved. And after the positioning mark is arranged on the ground, the vehicle can be parked conveniently, the spacing distance between the vehicle and the nozzle is more accurate, and the test accuracy is improved. In addition, the vehicle is flushed through the device, and an insulating ground mat is arranged on the ground, so that the test safety is greatly improved.

This invention relates to the field of battery plate slicing, and discloses a calibration method for a plate slicing machine using a plate cutting blade position calibration device. In the calibration device, three positioning blocks (1) are equally spaced on a positioning screw (2). Each positioning block (1) is fixed to the positioning screw (2) by adjusting nuts (3) on both sides. Each positioning block (1) has a positioning groove (4) perpendicular to the positioning screw (2), and each positioning groove (4) is located on the same side of the positioning screw (2). Side positioning heads (5) are installed at both ends of the positioning screw (2). Compared with the prior art, after calibrating the plate slicing machine using this device, the spacing between the two cutting blades of the plate slicing machine is more accurate, and there will be no cumulative error caused by the slight deformation of the plate itself during trial cutting. This greatly improves the plate slicing pass rate, reduces trial cutting costs, and provides accurate calibration.