77results about How to "Guaranteed uprightness" patented technology

The invention discloses a pile driver for civil engineering. The pile driver for civil engineering comprises a chassis, a stand column and a crane jib. A rotation shaft of a drive motor is provided with an incomplete gear. The support is provided with a cross shaft rotationally connected with the support. The cross shaft is provided with a transmission gear and a rope reel. The stand column is provided with a first pulley. A second pulley is arranged at the top end of the crane jib. The lower end face of the crane jib is provided with two vertically downward guide sliding grooves. A pile hammer is arranged between the two guide sliding grooves. The two sides of the upper end of the pile hammer are both provided with supporting arms which are inclined and upward. A pile clamping mechanism connected with the stand column is arranged under the pile hammer. One end of a connection rod is fixedly connected with the bottom end of the stand column. The lower end of the stand column is connected with the chassis through a sliding mechanism. The chassis is provided with a hydraulic cylinder. The pile driver for civil engineering is simple in structure, good in pile driving upright performance, capable of continuously driving piles, high in pile driving efficiency, easy and convenient to operate and high in practicability.

The invention provides a garlic sowing method and a garlic sower, and belongs to the technical field of garlic sowing. The garlic sowing method is convenient in operation and solves the problems in the prior art that a single garlic clove is difficult to get, the sowing precision of garlic clove with upward bulbils is low, garlic cloves are difficult for keeping upright in soil and difficult for continuous sowing. The garlic sower is provided aiming at the sowing method. A single-clove fetching device is utilized for finishing fetching of a single garlic clove and enables the single-clove fetching accuracy to be 98%; an automatic identification and direction-adjusting device is utilized for detecting the garlic clove and adjusting the direction, so that the possibility of the garlic clove with the upward bulbils dropping into a continuous sowing mechanism is guaranteed to reach 98%, so that the garlic sower is efficient and accurate, and also full preparation is made for the garlic clove with upward bulbils to drop into soil from the continuous sowing mechanism; and finally the continuous sowing mechanism is vertically inserted into soil and is withdrawn from soil in an inclined way, so that the upright degree of the garlic clove in soil is guaranteed, and finally the purposes of improving the garlic output and quality are finally realized.

The invention discloses a porous medium penetration slip-casting multi-parameter monitoring device and a test method thereof. The monitoring device comprises a slip-casting apparatus, which his connected to an inlet cabin. The inlet cabin is connected to one end of a connection steel pipe through connecting pieces, and the other end of the steel pipe is connected to an outlet cabin through connecting pieces. A joint position of the inlet cabin and the steel pipe and a joint position of the outlet cabin and the steel pipe are both provided with filter plates. The steel pipe is provided with a press measuring device. Slurry discharge pipes are connected at the bottom of the steel pipe, and a volume measuring apparatus is disposed below each slurry discharge pipe and positioned above a weighing apparatus. The filter plate of the outlet cabin is connected with a screw, and the screw is provided with a lower packing box. The outlet cabin is equipped with a flow measuring apparatus. The monitoring device helps to solve the problem of monitoring key parameters during porous medium penetration slip-casting. Compared with conventional research, the monitoring device has the advantages that various parameters can be monitored, the monitoring precision is high, the boundary effect of the device can be eliminated, and the device is adjustable in dimension and simple to operate.

The invention relates to a forcible seedling pushing method and a planting arm of a magnet moving type seedling planting machine. The forcible seedling pushing planting arm comprises a planting arm shell 1, at least one installation hole 2, an electric magnet 3, an armature iron 4, a spring 5, a seedling pushing rod 6 and a seedling needle 7. The planting arm is arranged on a separating-planting mechanism through the at least one installation hole 2, and trails needed by seedling planting are realized following the separating-planting mechanism. The planting arm is characterized in that the armature iron 4 is fixedly connected with the seedling pushing rod 6; one end of the spring 5 is fixed on the planting arm shell 1, and the other end of the same is fixedly connected with the armature iron 4; and the armature iron 4 and the seedling pushing rod 6 realize reciprocating motion without motion transformation under the action of the suction force of the electric magnet 3 and the spring force of the spring 5. Compared with the traditional mechanical type seedling pushing device, the invention has light mass, simple structure and accurate response and can meet the requirements for any seedling planting speed.

The invention discloses an in-situ small disturbance soil sampler for an indoor silt settling column test, which mainly comprises a thin-wall cutting ring series, a metal handle, a fixed plastic bar, an external covering heat-shrinkable tube, an adjusting fixing bolt and a built-in blocking plug, wherein the thin-wall cutting ring series is formed by fixedly connecting a plurality of single cutting rings in series by a solid plastic bar; then the heat-shrinkable tube is covered outside the cutting ring series; after the heat-shrinkable tube is cooled and shrunk to clamp the cutting ring series, the plastic bar is pulled out; the thin-wall cutting ring series is fixedly connected with the metal handle through the heat-shrinkable tube; the built-in blocking plug is positioned in the metal handle and comprises a long and thin metal bar and a bottom metal disc; round air discharging holes are symmetrically arranged on the bottom metal disc for discharging air in the cutting ring cavity; screw thread is arranged at the upper part of the thin metal bar for penetrating through a screw hole in the center of the adjusting fixing bolt; and the adjusting fixing bolt is arranged at the top part of the metal handle. The device can be applied to sampling operation of settling soft soil in a depth direction in an indoor test or field test, and the soil sampling device has small volume, convenient operation, small disturbance of soil samples and accurate results, and is particularly suitable for the sampling test operation of the settling soil sample in the indoor silt settling column test.

The invention discloses a design method for forming a transplanting track by using a five-rod driving mechanism with two degrees of freedom. The existing transplanting mechanism track is not suitable for transplanting flowers. According to the design method, the angular speed w1 of a first crank is set through a normal-speed motor, and a speed-adjustable motor is adjusted through a control circuit, so that the angular speed of a second crank is shown in the specification, wherein w1 is a constant value selected from 50r / min to 70r / min, and theta is a constant value selected from pi / 4 to pi / 2; the direction of the angular speed w2 meets the following change rule under the condition that the period T=2pi, namely that the direction of the angular speed w2 is kept consistent with the direction of the angular speed w1 when the time t is from 0 to T / 3 and is opposite to the direction of the angular speed w1 when the time t is from T / 3 to T, so that a double-buckle transplanting track is formed at the sharp point of the free end of a second connecting rod. The double-buckle transplanting track is achieved by using the five-rod driving mechanism with two degrees of freedom, so that not only can the transplanting tracks of flowers be achieved, but also the fully-automatic transplanting of various crops such as melons, fruits and vegetables can be realized.

A conjugated cam and planetary gear train combined-type pot-grown rice seedling transplanting mechanism belongs to agricultural machinery and is formed by assembling a uniform / non-uniform speed driving planetary gear train mechanism, a conjugated cam swinging mechanism and a transplanting arm, wherein power drives the uniform / non-uniform speed driving planetary gear train mechanism to rotate through a central shaft, the uniform / non-uniform speed driving planetary gear train mechanism provides power for the conjugated cam swinging mechanism while pulling the transplanting arm to move, and the conjugated cam swinging mechanism enables a housing of the transplanting arm to rotate relative to planetary gears, so that the movement of the transplanting arm becomes the composition of pulling movement and relative rotation of the uniform / non-uniform speed driving planetary gear train mechanism and sharp points of seedling clamping pieces on the transplanting arm form a movement trajectory in a woodpecker manner, to complete the transplantation of pot-grown rice seedlings. The conjugated cam and planetary gear train combined-type pot-grown rice seedling transplanting mechanism has the characteristics of good operation quality, strong adaptability, simple structure, low cost, reliable working, small vibration and high efficiency.

The invention discloses a design method for forming a flower transplanting track by a two-stage non-circular gear five-bar driving mechanism. An existing transplanting mechanism track is not suitable for flower transplantation. The design method specifically comprises the following steps: firstly, constructing a two-stage non-circular gear five-bar driving mechanism, and establishing a free end point of a second connecting rod, so as to form a mathematical model of a double-buckle track; then reversely determining angular velocity change rules of a first crank and a second crank through the established mathematical model, designing a two-stage non-circular gear, and verifying whether the two-stage non-circular gear five-bar driving mechanism satisfies existence conditions of the double cranks. According to the design method, the angular velocity ratio of the first crank to the second crank is changed by adopting the two-stage non-circular gear five-bar driving mechanism, the double-buckle track is realized, so as to realize seedling taking and planting motions, the flower transplanting track can be realized, and full automatic transplantation of various crops such as fruits and vegetables can be realized.

The invention discloses a high-verticality secondary sine non-circular gear planetary system duck-billed seedling planting mechanism. A seedling planting in the prior art cannot ensure the verticality of pot seedlings. Two sine non-circular gear planetary system transmission devices are symmetrically arranged at two ends of a central axle of the duck-billed seedling planting mechanism, and a duck-billed seeding nozzle is arranged at each of two ends of each sine non-circular gear planetary system transmission device; a planetary carrier moves along a transplanter, and the midpoint of the bottom edge of a main hopper forms a seedling planting track; the seedling planting track comprises a seedling receiving segment, a seedling transporting segment, a seedling segment and a resetting segment; the seedling segment comprises a hole inlet segment and a hole outlet segment; the bottom end of the seedling receiving segment is connected with the top end of the seedling transporting segment, the bottom end of the seedling transporting segment is connected with the top end of the hole inlet segment, the bottom end of the hole inlet segment is connected with the bottom end of the hole outlet segment, and the top end of the hole outlet segment is connected with the bottom end of the resetting segment; the projection of the hole outlet segment along the horizontal direction is 0-4mm, and the projection of the hole outlet segment along the vertical direction is 40-60mm. By adopting the duck-billed seedling planting mechanism, the verticality of transplanted pot seedlings can be ensured and the pot seedlings cannot be taken back or damaged.

The invention discloses an electric connector and a manufacturing method thereof. The electric connector comprises a frame body, wherein the frame body has at least one accommodating area, each accommodating area is provided with at least one first side wall, each first side wall is provided with at least one reference abutting portion, each accommodating area is provided with at least one second side wall opposite to the first side walls, each second side wall is provided with at least one reference fixing portion, one side of the body abuts the reference abutting portion, the other side of the body is fixed with the reference fixing portion through hot melting, hot melted plastic cement is filled in gaps between the body and the reference fixing portions, and the body does not slide relative to the frame body, an assembly dimension tolerance of the body is made to be in an allowable tolerance range, true position of body assembly is guaranteed, assembly of the body and the frame is stable and secure, and thereby normal use of the electric connector is guaranteed.

The invention discloses a deformation ellipse-circular gear back planting rotating type transplanting mechanism of a walking transplanter. A left and a right gear boxes with the same internal structure are respectively fixed on the shaft ends extending outside a chain wheel box from a center shaft, wherein center deformation ellipse gears fixed on the chain wheel box through a left and a right flanges are respectively arranged on both ends of the center shaft in the gear boxes; the left and the right center deformation ellipse gears drive middle circular gears fixed with the left and the right middle deformation ellipse gears on a left and a right middle shafts to rotate through the left and the right middle deformation ellipse gears fixedly arranged on the left and the right middle shafts; the left and the right circular gears are engaged with a left and a right planet circular gears fixedly arranged on a left and a right planet shafts; and planting arm parts are fixed on one ends of the left and the right planet shafts extending from the gear box. Only one set of planet gears in the gear boxes are used for transmission relative to the center deformation ellipse gears to drive one planting arm to move. The mechanism has a buckle-shaped track to have a small planting pit so as to meet the requirement for rice planting.

The invention discloses a double-row little pepper transplanter which comprises a rack, wherein an engine and a reduction gearbox are fixedly connected to the rack; the lower end of the reduction gearbox is rotationally connected with a front wheel; a power output chain wheel is arranged at the upper end of the reduction gearbox; a one-axle one-chain wheel is in transmission connection with the power output chain wheel, and a one-axle two-chain wheel is in transmission connection with a three-axle chain wheel; a vertical shaft bevel gear is meshed with a three-axis bevel gear; the upper end ofa vertical shaft penetrates through the center of a seedling cup tray and is fixedly connected with the seedling cup tray; a seedling cup is fixedly connected onto the seedling cup tray; a seedling supporting rack is arranged on two sides of the rack; a first supporting belt pulley, a first seedling supporting belt pulley and a first earthing belt pulley are in transmission connection with one another by virtue of a first seedling supporting belt; a second supporting belt pulley, a second seedling supporting belt pulley and a second earthing belt pulley are in transmission connection with oneanother by virtue of a second seedling supporting belt; seedling supporting strips are uniformly arranged between the first seedling supporting belt and the second seedling supporting belt in a crossmanner; one ends of the seedling supporting strips are fixedly connected with the surface of the seedling supporting belts, and the other ends of the seedling supporting strips are suspended; and a seedling dropping pipe and a furrow opener are arranged on two sides of the rack. The operating speed is high, and excellent little pepper seedling upright degree, row spacing uniformity and depth stability can be ensured.

The invention discloses a chain-rail combined type planting device. The chain-rail combined type planting device comprises a star frame, a chain, four sprockets, a parallel rail, connecting rod racksand planting tubes and is characterized in that the chain is supported by the four sprockets and annularly distributed; the included angle between the ground horizontal chain section of the chain andeach of the adjacent left and right chain sections is an obtuse angle; one end of each connecting rod rack is hinged to one chain link plate, a slide wheel which can roll in the parallel rail is hinged to the other end of each connecting rod rack, and the extension end of the connecting rod rack is fixedly connected with one planting tube; the shape of the parallel rail is completely identical with that of the chain, the parallel rail has certain offset relative to the chain transmission system, and the parallel rail is provided with two notches and one drive guide rail; the drive guide rail on the parallel rail is used to control the opening and closing of the duckbill of each planting tube to complete seedling planting. The chain-rail combined type planting device has the advantages thatthe planting tubes can be kept in a translational motion state in the whole operation process, zero-speed vertical planting and transplanting can be achieved, and high-speed transplanting can be achieved.

The invention relates to an artificial lawn free from sand stuffing and applied to a cage type football field. The artificial lawn comprises a lawn base layer, a back glue layer, straight filament tufted piles, and bended filament tufted piles, wherein the back glue layer is uniformly arranged on the back of a base cloth of the lawn in a coating manner; the straight filament tufted piles and the bended filament tufted piles are tufted on the lawn base layer in a machine-knitted manner; the back glue layer is fixed on the back of the lawn base layer in a manner of uniform coating and curing; and drainage holes are formed in a composite layer of the lawn base layer and the back glue layer. According to the artificial lawn disclosed by the invention, the situation that straight filaments in a straight filament tufted pile substance is erected can be guaranteed, and the situation that the artificial lawn has good cushioning property can be guaranteed; the fall damage prevention grade of the artificial lawn in the use process is improved, and the drainage property of the artificial lawn is guaranteed; and sand materials do not need to be stuffed in the use process of the artificial lawn; so that the cost is reduced, and the safety and the environmental protection of the production and the use of the artificial lawn can be guaranteed.

The invention provides a seedling-supporting transplanting apparatus and a transplanting machine. The seedling-supporting transplanting apparatus comprises a frame, an earthing wheel, a clamping supporting mechanism, a seedling pushing device, a position detection mechanism and a control system. The earthing wheel is mounted at one end of the frame; the clamping supporting mechanism is mounted atthe bottom of a ditcher of the frame; the clamping supporting mechanism is connected with a guide slide slot of the frame; the seedling pushing device is connected with the clamping supporting mechanism; the position detection mechanism is used to detect positional signals about whether pot seedlings drop into the clamping supporting mechanism; the control system controls a first driving mechanismaccording to the positional signals detected by the position detection mechanism such that the seedling pushing device drives the clamping supporting mechanism to close and to clamp the pot seedlings; the control system controls a second driving mechanism such that the seedling pushing device drives the clamping supporting mechanism to slide along the guide slide slot of the frame. The clamping supporting mechanism is driven to move in the guide slide slot through the seedling pushing device so as to simulate artificial transplanting of pot seedlings; the problem of pot seedling inclination and dodging caused by soil reflow is solved; the pot seedlings can be transplanted under better upright degree.

The invention discloses a hydraulic rotating jet flow blockage remover, which comprises a screw rod, wherein the middle part of the screw rod is a threaded section, left-hand screw threads and right-hand screw threads are arranged on the threaded section, an upper centralizer is also arranged on the screw rod, the upper centralizer is positioned at the upper side of the threaded section, a case is arranged at the outer sides of the threaded section and the upper centralizer in a sleeving way, the upper end of the case is connected with a short joint, the lower end of the case is connected with a connecting pipe, the lower end of the connecting pipe is connected with a connecting end cover, a base is arranged in the connecting pipe, two pins are fixedly arranged on the base, and are respectively inserted into the left-hand screw threads and the right-hand screw threads, in addition, the position difference of the two pins is 1.5 thread pitches, the bottom of the screw rod is connected with a rotating spray head, and a lower centralizer is arranged between the rotating spray head and the connecting end cover. The hydraulic rotating jet flow blockage remover has the advantages that the structure is simple, in addition, the jet hole section of the whole oil layer can be thoroughly cleaned, the cleaning quality is high, no damage occurs, the cleaning speed is high, and the efficiency is high.

The invention discloses a cam-crank-rocker combined flower transplanting mechanism and a design method thereof. A planetary gear transplanting mechanism is limited in flexibility of realizing a trajectory; and a rod mechanism with a double-ring-buckle trajectory is difficult in design and parameter regulation. According to the mechanism provided by the invention, one ends of a cam and a crank are both hinged with a frame through a camshaft; the other end of the crank is hinged with the central part of a second connecting rod; a forked swing rod comprises a bottom-end-welded oscillating rod and a cam swing rod; two ends of a spring are separately connected with the forked swing rod and the frame; a roller is hinged with the top end of the cam swing rod and constitutes a cam pair with the cam; the top end of the oscillating rod is hinged with one end of a first connecting rod; and the other end of the first connecting rod is hinged with one end of the second connecting rod. The design method provided by the invention is as follows: the cam is reversely solved with a mathematical model of a single-ring-button trajectory formed by the terminal point of the free end of the second connecting rod, a coordinate of the hinge joint of the forked swing rod and the frame, and known conditions of rod lengths. According to the invention, through changing of the profile of the cam to control the movement law of a rocker, the single-ring-buckle trajectory is realized, and the mechanism is simple.

The invention provides a hardware button punching device, comprising a bottom plate; The bottom plate is fixed with a perforating mechanism, a transplanting mechanism, a cleaning mechanism and a positioning mechanism, wherein the transplanting mechanism is arranged at the front end of the perforating mechanism, the cleaning mechanism is arranged at the right end of the transplanting mechanism, andthe positioning mechanism is positioned between the perforating mechanism and the transplanting mechanism; The perforating mechanism comprises a base plate which is flat on the base plate, and a mounting plate which is perpendicular to the base plate is fixed on the base plate through bolts and card slots; Between that rear side surface of the mount plate and the base plate, a reinforcing rib isfixed, and two right angle edge of the reinforcing rib are respectively bonded with the upper surface of the base plate and the rear side surface of the mounting plate; Two vertical sliding rails arefixed on the front surface of the mounting plate through bolts, and sliding blocks are slidably arranged on the sliding rails; A sliding plate is fixed on the slider by bolts, a rotating electric machine is inherently rotated on the slider by bolts, and an elastic chuck is arranged on the output shaft of the rotating electric machine and extends to the lower end.

The invention discloses a display connector and a fabrication method thereof. The display connector comprises an insulation base, a terminal group, an insulation rear plug and a metal shell, wherein the insulation rear plug is used for limiting and hot-melting wrapping the terminal group. In the display connector, the insulation rear plug is additionally arranged at a rear end of the insulation base, a second contact part surface of a lower-layer terminal is in contact with a bottom surface of the insulation rear plug by the insulation rear plug, a first contact part surface of an upper-layer terminal is flush with a boss surface of the insulation rear plug, the insulation rear plug is subjected to hot melting by a jig to form plastic barriers so as to wrap contact parts of the upper-layer terminal and the lower-layer terminals and achieve a fixing effect, the coplanarity and the alignment degree of welding parts of the upper-layer terminal and the lower-layer terminal can be effectively ensured, high stability is achieved, terminal pins are not needed to be adjusted by manual, and the production efficiency is improved; and moreover, after the upper-layer terminal and the lower-layer terminal are assembled, a first pin part and a second pin part are staggered vertically, and crosstalk can be enabled not to be generated in high-frequency signal transmission of the upper-layer terminal and the lower-layer terminal very well.

The invention discloses an inner channel type seed taking and direction changing device and an on-film garlic planting machine, solves the problems that a garlic seed metering device in the prior artis unstable in work and cannot guarantee planting upright degrees of garlic, and has the advantages of achieving directional sowing and improving the planting upright degrees of garlic seeds. The specific scheme is as follows: the inner channel type seed taking and direction changing device comprises a seed box, a garlic groove and at least one seed taking and direction changing unit, wherein thesize of the top of the seed box is larger than that of the bottom of the seed box, the whole garlic groove is arc-shaped, the garlic groove is formed below the seed box, the seed box and the garlic groove are located on one side of the at least one seed taking and direction changing unit, the adjacent seed taking and direction changing units are connected, each seed taking and direction changing unit comprises a rotatable seed taking disc and seed taking spoons arranged in the circumferential direction of the seed taking disc, a plurality of conveying pipes are supported through the seed taking disc, direction turning pipes are fixed to a rack, the size of one side of the transverse section of a garlic seed turning channel in each direction turning pipe is larger than that of the other side, and each direction turning pipe and the conveying pipes on the top end side and the bottom end side of the direction turning pipe can be located on a same straight line.

The invention discloses a silt-proof enclosure. The silt-proof enclosure comprises a soft enclosure main body, wherein an enclosure upper floating body is arranged at the top of the soft enclosure; an enclosure lower floating body and a sand-proof curtain are arranged at the middle lower part of the soft enclosure main body; an enclosure counter weight is arranged at the bottom of the soft enclosure main body; fixed sleeve rings are arranged on the enclosure upper floating body and the enclosure lower floating body; the fixed sleeve rings sleeve a fixed steel pipe; the bottom end of the fixed steel pipe is fixed at the bottom of a water body; the sand-proof curtain is fixed at the bottom of the enclosure lower floating body; a sand-proof curtain counter weight is arranged at the bottom of the sand-proof curtain; and the sand-proof curtain is fixed on a fixed pile through a traction rope. By adopting the silt-proof enclosure, the problems that the bottom of the enclosure is wrinkled and is buried by silt due to reasons including water level fluctuation and the like when the enclosure is used in water body environment treatment so that the function of the enclosure is damaged or lost are solved very well; the enclosure is creatively divided into a state that the upper part can be wrinkled and the lower part is vertical, so that the function of the enclosure is enhanced; and the silt-proof enclosure is simple in structure, cheap in materials and convenient to use.

The invention relates to a seeding nozzle which comprises a pair of half bodies, and the two half bodies are provided with body parts correspondingly extending out. The seeding nozzle is characterized in that the two half bodies can do relative reciprocating rectilinear motion, and the relative reciprocating rectilinear motion of the two half bodies enables the body parts of the two half bodies to be opened and closed in a relative translation manner in the working process. In addition, the invention also relates to a seeding assembly based on the same conception, as the body parts of the two half bodies of the seeding nozzle are opened and closed in a manner of relative translation and reciprocating rectilinear motion, compared with the closest prior art, the seeding assembly disclosed by the invention can more easily realize synchronous work among a plurality of seeding assemblies.

The invention discloses a closed-chain five-link transplanting mechanism for flowers and plants and a design method therefor. A planetary gear train transplanting mechanism can realize flexibility restriction to trajectories; and parameters of a link mechanism with dual-snap-ring trajectories are difficult in design and adjustment. According to the mechanism disclosed by the invention, the bottom end of a first crank and the bottom end of a second crank are welded; the top end of the first crank is hinged to one end of a second link, and the top end of the second crank is hinged to the middle part of a third link; a forked swing link comprises a first swing link and a second swing link, of which bottom ends are hinged; the bottom end of the forked swing link is hinged to a rack; the other end of the second link is hinged to the top end of the first swing link; one end of a first link is hinged to the top end of the second swing link, and the other end of the first link is hinged to one end of the third link; and the other end of the third link is arranged freely. According to the design method disclosed by the invention, the length of each of rest links is determined reversely under the condition of a single-snap-ring trajectory mathematical model formed at the endpoint of the free end of the third link, coordinates of a hinged point of the forked swing link and the rack and known link length. According to the closed-chain five-link transplanting mechanism for the flowers and plants and the design method therefor, a single-snap-ring trajectory is achieved, and the mechanism is simple and easy to control.

The invention discloses a sediment prevention enclosure, which comprises a soft enclosure main body, an enclosure floating body is arranged on the top of the soft enclosure, and an enclosure lower float and a sand prevention curtain are arranged in the middle and lower part of the soft enclosure main body. The bottom of the main body of the natural enclosure is provided with an enclosure counterweight, the upper and lower floating bodies of the enclosure are provided with a fixed collar, the fixed collar is sleeved on the fixed steel pipe, the bottom end of the fixed steel pipe is fixed at the bottom of the water body, and the sand-proof curtain is fixed under the enclosure The bottom of the floating body and the bottom of the sand-proof curtain are provided with a sand-proof curtain counterweight, and the sand-proof curtain is fixed on the fixed pile by the traction rope. The invention can well solve the problem of damage or loss of the function of the enclosure caused by the folds at the bottom of the enclosure due to fluctuations in water level and other reasons when the enclosure is used in the treatment of the water body environment, and creatively divides the enclosure into upper parts. Folds, the lower part is upright, the function of enclosure is strengthened, the structure is simple, the material is cheap, and the use is convenient.

The invention discloses an electric connector and a manufacturing method thereof. The electric connector comprises a frame body, wherein the frame body has at least one accommodating area, each accommodating area is provided with at least one first side wall, each first side wall is provided with at least one reference abutting portion, each accommodating area is provided with at least one second side wall opposite to the first side walls, each second side wall is provided with at least one reference fixing portion, one side of the body abuts the reference abutting portion, the other side of the body is fixed with the reference fixing portion through hot melting, hot melted plastic cement is filled in gaps between the body and the reference fixing portions, and the body does not slide relative to the frame body, an assembly dimension tolerance of the body is made to be in an allowable tolerance range, true position of body assembly is guaranteed, assembly of the body and the frame is stable and secure, and thereby normal use of the electric connector is guaranteed.

The invention discloses a conjugate cam, crank and rocker rod combined flower-plant transplanting mechanism and a designing method thereof. A planet gear system transplanting mechanism is limited in realizing track flexibility, and a rod mechanism with double stirrup tracks is difficult in parameter designing and adjusting. The conjugate cam, crank and rocker rod combined flower-plant transplanting mechanism is characterized in that one ends of a first conjugate cam, a second conjugate cam and a crank are all hinged to a rack through a cam shaft, the other end of the crank is hinged to the middle of a second connecting rod, a first cam swing rod, a second cam swing rod and a swing rod are fixedly connected, the first cam swing rod is connected with the first conjugate cam through a first roller, the second cam swing rod is connected with the second conjugate cam through a second roller, and the swing rod is hinged to the second connecting rod through a first connecting rod. The designing method includes: reversely solving the conjugate cams through a mathematic model of single stirrup tracks formed by an end point of the free end of the second connecting rod, coordinates of a hinged point of a fork-shaped swing rod and the rack and known rod length conditions. The single stirrup tracks are realized by changing profile of the conjugate cams to control movement laws of a rocker rod, and the conjugate cam, crank and rocker rod combined flower-plant transplanting mechanism is simple.

The invention provides a connector socket which is used for connection of a preset connector plug. The connector socket comprises an insulation body, a plurality of terminals and a metal shell, wherein the insulation body comprises a base part and a positioning part formed in a manner that the base part extends backward; terminal grooves passing through the positioning part are formed in the base part; the terminals are inserted in the terminal grooves of the insulation body; and the metal shell covers the insulation body. According to the connector socket provided by the invention, the positions of the terminals can be fixed through the positioning part of the insulation body, so that the true positions of the terminals can be ensured. Furthermore, transmission signals of the connector socket can be stable, and the electrical properties of the connector socket accord with a standard.

The invention discloses a bevel gear-elliptical gear eccentric wheel rocking bar combined-type wide and narrow row spacing transplanting mechanism. In the prior art, seedling taking of a conventional seedling taking and transplanting integrated vegetable pot seedling transplanting mechanism is realized via direct clamping of seedlings, so that seedling roots are damaged; seedling taking and transplanting are realized via two mechanisms, and the mechanisms are complex. Each of the two ends of a center shaft of the bevel gear-elliptical gear eccentric wheel rocking bar combined-type wide and narrow row spacing transplanting mechanism is provided with a first-grade planetary gear train, and the two first-grade planetary gear trains are arranged to be symmetrically; the two ends of each first-grade planetary gear train is connected with a second-grade upper planetary gear train and a second-grade lower planetary gear train; each second-grade upper planetary gear train is provided with an upper transplanting arm, and each second-grade lower planetary gear train is provided with a lower transplanting arm; each first-grade planetary gear train comprises a first-grade gear case, a center elliptical gear, a first-grade upper planetary elliptical gear, a first-grade lower planetary elliptical gear, a first-grade upper planetary shaft, a first-grade lower planetary shaft, an upper eccentric wheel, an upper connecting rod, an upper rocking bar, a lower eccentric wheel, a lower connecting rod, and a lower rocking bar. The bevel gear-elliptical gear eccentric wheel rocking bar combined-type wide and narrow row spacing transplanting mechanism can be used for realizing in-pot soil-taking-type seedling taking, and in seedling taking period, translational motion of seedling claws is maintained, so that pot soil completeness is maintained as far as possible.

The invention discloses a plug seedling plantation driving mechanism, which comprises a frame and a crank. The crank is connected to one end of a first connecting rod to form a rotation pair. The first connecting rod is connected to a rocking bar to form a rotation pair. The tail end of the rocking bar is connected to a slide block through a second connecting rod. The slide block is arranged in aslide rail, which is hinged to the frame. At the same time, the slide block, a third connecting rod, and a fourth connecting rod are connected to each other to form a rotation pair. The third connecting rod and the fourth connecting rod are respectively connected to a first arm rod and a first elbow rod to form a rotation pair. One end of the first arm rod, one end of the first elbow rod, and oneend of a fifth connecting rod are connected to each other. The other end of the fifth connecting rod, a second arm rod, and a second elbow rod are connected to each other. The tail ends of the first arm rod and the second arm rod are connected to a suspended cup. Through the arm rods parallel to each other, elbow rods parallel to each other, and swinging slide rail, the suspended cup is erected, and the size of punched holes is reduced. Based on the quick-return characteristics of the crank-rocking bar structure, the plantation and cup-pulling speed is reasonably set, and high speed plantationis realized.