1212 results about "Traction frame" patented technology

The invention discloses a stacking machine which comprises a lifting traction device, a lifting device, a stack pushing device and a stack-bearing rotary operating platform. The lifting traction device is in transmission connection with the lifting device, and the stack pushing device moves in the lifting device; the stack-bearing rotary operating platform is arranged at one side of the stack pushing device; the lifting traction device comprises a lifting traction frame, vertical posts, a speed reducing motor, cross beams, driving shafts, driving chain wheels, chains, guide posts, guide sleeves, lifting device mounting and connecting plates and tension chain wheels; the lifting device comprises a lifting framework, a driving shaft, a driving synchronous pulley, a stack pushing motor, a shaping and clamping device, a material baffling mechanism, the stack pushing device, a synchronous belt, a synchronous belt tension wheel and a synchronous belt connecting seat; and the stack-bearing rotary operating platform comprises a base, a rotary platform, a rotary motor, a worm and worm-wheel transmission case, a conveying motor and a roller conveyor. When the stacking machine is arranged on a conveying line, building blocks are difficult to damage under the condition of guaranteeing the production requirements.

The invention provides a turret type three-dimensional goods storage rack and an automatic goods storing and taking method. The method includes the following steps that initialization is conducted firstly, a lifting platform moves and stops on a storing layer, and a tractor is started to work until traction frames are put on all transfer goods allocations; the lifting platform moves vertically and stops on an entering and exiting layer, and the tractor pushes all the traction frames to the transition goods allocations; goods to be stored are put on the transition goods allocations, and the tractor drags the traction frames to the transfer goods allocations at this moment; the lifting platform moves and stops on the storing layer, and the tractor pushes the traction frames and goods to a storage bin together; during goods taking, the tractor pulls the traction frames and drags the traction frames and the goods to the transfer goods allocations together; and the lifting platform moves to the entering and exiting layer, the tractor pushes all the traction frames to the transition goods allocations, and goods taking is completed. According to the automatic goods storing and taking method, automatic goods storing and taking can be achieved, no operation needs to be conducted by a goods owner in the process, efficiency of storing and taking goods is high, and the goods storing amount is large.

The invention discloses a pipeline robot with an adjustable crawler belt angle and belongs to the field of pipeline robots. A vehicle body of the robot comprises a frame, a left main crawler belt assembly, a right main crawler belt assembly, a crawler belt angle adjusting mechanism, a sonar fixing frame, a sonar probe, a camera lifting frame, a camera unit, an auxiliary light source, an electronic control box, an electronic control box pull door and a cable traction frame. Main crawler belts are installed on the left side and the right side below the vehicle body through crawler belt rotation shaft hole sites. The crawler belt angle adjusting mechanism is arranged between the main crawler belts. The main crawler belts are outwards adjusted to a certain angle to form a V shape. The sonar probe is installed on the frame through the sonar fixing frame. One end of the camera lifting frame is arranged on the frame, while the other end of the camera lifting frame is provided with the camera unit and the auxiliary light source. The pipeline robot has the advantages of being compact in structure, strong in passing capacity and complete in comprehensive working capacity.

The invention discloses a multi-dimensional detection amphibious operation pipeline robot, and belongs to the field of pipeline robots. A car body of the pipeline robot comprises a car frame, a left main caterpillar band assembly, a right main caterpillar band assembly, a caterpillar band angle adjusting mechanism, an acoustic susceptance fixing frame, an acoustic susceptance probe, a camera lifting frame, a camera shooting unit, an auxiliary light source, an electronic control box, an electronic control box pulling door and a cable traction frame. Main caterpillar bands are installed on the left side and the right side below the car body through caterpillar band rotary shaft hole positions. The caterpillar band angle adjusting mechanism is arranged between the main caterpillar bands, and the main caterpillar bands can be outwards adjusted to be at a certain angle and shaped like a Chinese character 'ba'. The acoustic susceptance probe is installed on the car frame through the acoustic susceptance fixing frame. One end of the camera lifting frame is arranged on the car frame, and the other end of the camera lifting frame is provided with the camera shooting unit and the auxiliary power source. The pipeline robot has the advantages of being compact in structure, high in passing capacity and perfect in comprehensive operation capacity.

The invention relates to a hydraulic type aligning device inside a pipeline, which is used for the welding construction of a long-distance oil and gas transporting pipeline and mainly comprises a shell, a hydraulic power station, a sliding mechanism, an expanding mechanism, a running mechanism and a straightening mechanism. Furthermore, the hydraulic type aligning device inside a pipeline is characterized in that a jacket of a hydraulic station is internally fixed with the hydraulic power station, a jacket of a liquid tank is internally provided with a hydraulic cylinder, a main shaft is sleeved with a rear sliding sleeve and a front sliding sleeve, and the other end of a traction frame is fixed to the end part of the rear sliding sleeve. Furthermore, the rear sliding sleeve is driven by the hydraulic cylinder to reciprocate on the main shaft, each sliding sleeve adopts an articulated axle fixed with two main top plates and a parallel top plate, an isoceles triangle is formed by the two main top plates, and the parallel top plate is fixed with two support pillars and a jacking. The invention can realize pipe opening alignment, stable and reliable positioning, large pushing force and pipe opening shaping, and can slightly adjust the lifting height and enhance the centric precision of fitted up pipe openings. In addition, the invention has light weight, low price and simple structure.

The invention discloses full automatic ceramic tile packaging equipment, and belongs to the technical field of packaging, in particular to a ceramic tile packaging system. The full automatic ceramic tile packaging equipment comprises a frame, a tile loading conveyor belt, a tile overlapping mechanism, an angle wrapping mechanism and a carbon fetching and conveying mechanism; a tile overlapping conveyor belt is arranged ahead the tile loading conveyor belt; a tile overlapping traction frame is arranged above the tile overlapping conveyor belt, and is driven by a horizontal movement control device; the frame is fixed with catch levers positioned above the tile overlapping conveyor belt; the frame is provided with a ceramic tile aligning mechanism and the angle wrapping mechanism; a ceramic tile angle wrapping conveyor belt is arranged ahead the tile overlapping conveyor belt; an angle wrapping string conveyor belt is arranged on the frame above the ceramic tile angle wrapping conveyor belt; the end part adjacent part of the angle wrapping string conveyor belt is provided with a vertical angle wrapping sliding rail; the angle wrapping mechanism is positioned on the bottom of the vertical angle wrapping sliding rail; and the carbon fetching and conveying mechanism is positioned on one side of the ceramic tile angle wrapping conveyor belt. The full automatic ceramic tile packaging equipment has the advantages of simplifying the structure of each piece of equipment, reducing the equipment failure rate, reducing cost, improving production efficiency, and realizing the automation of packaging ceramic tiles.

Disclosed is a sliding type multifunctional traction frame for lower limb skin traction which comprises a thigh support, a shank support, a fixed mount, a lifting lever, an adjusting device, a hauling cable, a bonding belt, a massage belt and an electric aerating device, wherein the shank support comprises a crossing member and a shank sliding tube, the shank sliding tube is provided with a traction rod, a connection rope is arranged between the thigh sliding tube and the shank sliding tube, the lower end of the lifting lever is connected with the adjusting device, the massage belt is placed on the outward surface of the suffered limbs, the massage belt and the suffered limbs are secured with the bonding belt, the massage belt can perform loose massage to the suffered limbs and prevent the common complication effectively.

The invention relates to side slope anchoring hole drilling construction equipment, which is used for geotechnical side slope anchoring engineering in road building and the like. The equipment comprises a drilling machine and a sledge type frame, two front sledge heads and two rear sledge heads are arranged at the front end and the rear end of the frame respectively, a traction frame is hinged onto the two front sledge heads of the frame, a lower hinged support is fixed to the middle front of the frame, and an upper hinged support fixed onto a channel steel frame of the drilling machine is hinged with the lower hinged support through pins. One end of a supporting rod is hinged to and abutted against the channel steel frame of the drilling machine while the other end of the supporting rod is provided with a plurality of positioning holes, a rear support is mounted at the rear end of the frame, a supporting seat is arranged on the rear support at a position corresponding to the supporting rod, the supporting seat is provided with a supporting hole, a pin rod penetrates through one of the positioning holes of the supporting rod and the supporting hole of the supporting seat to support the other end of the supporting rod on the supporting seat, and auxiliary cable ropes are tied to the front sledge heads and the rear sledge heads of the frame respectively. The equipment is portable in movement, labor intensity is relieved, and operating efficiency can be greatly improved. The invention further provides a side slope anchoring hole drilling construction method, which is laborsaving, timesaving, safe and reliable.

The invention discloses an orthopedic nursing traction frame which comprises a base, a first support column, a back plate, a seat plate, a leg support plate, two leg stretching mechanisms, a first hydraulic pump, a second support column and a third support column. The first hydraulic pump, the second support column and the third support column are respectively arranged on the base, the first support column is vertically arranged, the upper end of the first support column is hinged to the lower surface of the back plate, the seat plate is horizontally arranged at the upper end of the second support column, a side of the back plate is hinged to a side of the seat plate, the leg support plate is horizontally arranged at the upper end of the third support column, two strip-shaped leg accommodating grooves are formed in the upper surface of the leg support plate, the two leg stretching mechanisms which are matched with the leg support plate are further respectively arranged on the base, tension sensors are arranged between foot sleeves and fixing plates on the two leg stretching mechanisms, and displays which are electrically connected with the tension sensors are arranged on the surfaces, which face the seat plate, of the fixing plates. The orthopedic nursing traction frame has the advantage that the problem of inconvenience in adjusting and controlling traction force of existing orthopedic traction frames in the prior art can be solved by the aid of the orthopedic nursing traction frame.

The invention discloses a peanut combine. The peanut combine comprises a machine frame, a traction frame, a transmission gearbox, a peanut picking device, a conveying and collecting device, a peanut collection box, a cleaning and separating device and a peanut collecting trough. The peanut combine is characterized in that the machine frame is supported by land wheels, the front end of the machine frame is provided with a picking-up and conveying device communicated to the peanut picking device, the peanut collection box is arranged on the upper portion of the peanut picking device, and the cleaning and separating device is arranged on the lower portion of the peanut picking device and is communicated to the peanut collecting box through a peanut lifter. The peanut combine automatically picks and collects seedlings and peanuts through the steps of picking-up and conveying, picking, cleaning and separating, and conveying and collecting, is high in harvesting efficiency, makes the harvested peanuts be clean and have few impurities like straw, and is very suitable for management of family farms and cooperatives in China, wide in use range and free of influence of soil texture and planting modes.

The invention provides a control system of a dual-frequency converting type wire drawing machine, which is composed of a plurality of main components, such as a wire drawing machine, a motor, a transducer, a cone pulley, a sensor and a pull traction frame. The system makes use of the dual-frequency converting controller to take the high speed pulse as the speed signal of the transducer; the two transducers are respectively connected with the wire putting and the wire collecting motor, and are used to realize the operation of the wire putting and the wire collecting from the wire drawing machine; the dual-frequency converting controller receives the main engine speed signal, the wire collecting speed signal and the tension control signal by two sensors; the two sensors use the proximity switch. Adopting the proposal, the invention improves the automatization control programme, and reduces the workload of the workers; the sensor uses the proximity switch to control the speed and tension, thus the reliability of the device is improved.

A stand-on riding mower has a support platform at the rear thereof for supporting an operator who stands during operation of the mower. The support platform is pivotally connected to the traction frame of the mower by a suspension that includes pivotal support plates at each side of the platform. At least one spring is arranged to push against the pivotal support plates in a direction causing the platform to rise such that the weight of the operator atop the platform causes the platform to lower until increasing biasing force in the spring balances the operator's weight. The spring ensures that impact shocks and the like on the traction frame of the mower are cushioned before reaching the operator's platform. In addition, the operator's platform is pivotal relative to the support plates to allow the operator's platform to be disposed in both a vertical stowed position and a horizontal deployed position.

The invention relates to a parachute tester of basket safety lock and steel wire hoist, which is composed of a suspension cage, a rail bracket, a traction frame with a driver, a unhooking mechanism, a safety lock brake steel wire, an anti-brake device brake rod, a sensor and a signal processing system. The top of the suspension cage is provided with a safety lock mounting frame, the traction frame is mounted above the suspension cage, which side face is mounted with a driver and bottom is mounted with the unhooking mechanism for rotating a swivel hook, the traction frame and the suspension cage via a swivel hook are connected with a hook ring on the suspension cage, to control the corner of the swivel hook via a console panel, thereby combining and unhooking the suspension cage and the traction frame. The inner face of the suspension cage is provided with a parachute mounting frame, while the brake rod is fixed with the rail bracket. The invention has strong function, complete detected parameters, high automatic degree, high safety, multiple protection, strong test reality and strong database management function.

The invention discloses a combined land preparation harrow with a good land preparation effect. The combined land preparation harrow comprises a traction frame connected with a tractor as well as a mounting rack connected with the traction frame, wherein a travelling wheel hoist oil cylinder is arranged on the mounting rack, a piston rod of the travelling wheel hoist oil cylinder is connected with a first pin which is connected with the travelling wheel support frame through a connecting plate and a second pin, travelling wheels are arranged on the travelling wheel support frame, and a plurality of forwards inclined notched harrow blades are uniformly arranged at the front end of the mounting rack through a notched harrow support.

The invention provides a master-slave mode parallel robot system and method for femoral shaft fracture reduction. The system comprises a master manipulator control robot, a central control unit, a slave manipulator reduction robot, a mapping switch, an orthopedic operating bed, a traction frame, a G-arm dual-display X-ray machine and an operating trolley, wherein the central control unit conditionally maps and transmits a fracture reduction operation of the master manipulator control robot to the slave manipulator reduction robot; a conditional mapping operation of the central control unit is started or closed by the mapping switch; a proximal femur of a patient is fixed on the orthopedic operating bed; the traction frame and the orthopedic operating bed are connected with each other to form a rigid body; the slave manipulator reduction robot copies the fracture reduction operation of the master manipulator control robot for the patient under mapping control of the central control unit; the G-arm dual-display X-ray machine simultaneously collects an entopic X-ray image and a lateral X-ray image of a femoral shaft fracture position of the patient. The method comprises the steps of preoperative preparation and intro-operative operation. According to the system and the method provided by the invention, the injury of an X-ray to the patient is reduced, and a reduction state is stably maintained before fixation.

The invention relates to a rolling gate type pseudo-ginseng harvesting machine dragged by a four-wheeled tractor and belongs to the technical field of agricultural machinery. An adjusting wheel of the rolling gate type pseudo-ginseng harvesting machine is located under a machine frame and used for bearing the weight of the harvesting machine and walking. A traction frame is located in the front of the machine frame and used for dragging connection of the four-wheeled tractor to a harvesting system. A soil blocking plate and a digging shovel are located in front of the position under the machine frame and used for shoveling soil. A rolling gate is located above the back of the digging shovel, located inside the machine frame and used for first-time soil removal. A driven shaking gate is located behind the rolling gate, located inside the machine frame and used for receiving root-soil mixture and has certain soil removal effect. A rigid bar screen is located behind the driven shaking gate and used for secondary soil removal. An adjustable cam mechanism shaft is located inside a rigid bar screen space and used for improving the soil removal performance of the rigid bar screen. A collecting box is located behind the machine frame and used for collecting pseudo-ginseng roots. The pseudo-ginseng mechanization problem can be solved, and pseudo-ginsengs of different age stages can be harvested.

A stand-on riding mower has a support platform at the rear thereof for supporting an operator who stands during operation of the mower. The support platform is pivotally connected to the traction frame of the mower by a suspension that includes pivotal support plates at each side of the platform. At least one spring is arranged to push against the pivotal support plates in a direction causing the platform to rise such that the weight of the operator atop the platform causes the platform to lower until increasing biasing force in the spring balances the operator's weight. The spring ensures that impact shocks and the like on the traction frame of the mower are cushioned before reaching the operator's platform. In addition, the operator's platform is pivotal relative to the support plates to allow the operator's platform to be disposed in both a vertical stowed position and a horizontal deployed position.

The invention belongs to the technical field of the design and manufacture of agricultural mechanical harvesting equipment and particularly relates to a beet digging-picking harvester comprising a frame, limiting wheels, travelling wheels and a universal traction frame. Adjusting rods are connected to a transverse support of the frame, and a picking plow and guide rods are disposed at the lower end of each adjusting rod. The frame is provided with reinforcing walls; a fixed transverse rod is arranged within the reinforcing walls; the upper end of a rotating shaft is connected with a motor; the lower end of the rotating shaft is connected with a clearing turnplate; the front of the clearing turnplate is adjacent to the guide rods and the picking plows; the rear end of the clearing turnplate is adjacent to a lift conveyor; two sides of the clearing turnplate are adjacent to guard rods; conveyor hooks are arranged on the lift conveyor; a sidewall of a collection box is provided with a discharge opening on which a retainer curtain is arranged; a discharge conveyor belt is arranged on the frame. The beet digging-picking harvester has the advantages that manual operation is replaced by mechanical operation, operating performance is stable and reliable, operating efficiency is high, and the harvester is worthy of vigorous promotion.

The invention discloses a multifunctional nursing bed for a general surgery department. The multifunctional nursing bed for the general surgery department comprises a bed main body and a bed plate, wherein the bed plate is arranged on the upper side of the bed main body; bed legs are separately arranged at four corners of the lower side of the bed main body; a fixing block is arranged on one side, which is close to the inside, of each bed leg; a screw hole is formed in each fixing block; the inside of each screw hole is in threaded connection with a screw; a groove is formed in the bottom of each bed leg; the inside of each groove is movably connected with a universal barrel; a connecting shaft is inserted in the bottom of each universal barrel; and one end of each connecting shaft penetrates through the axis of each roller. According to the multifunctional nursing bed, each bolt is screwed up so that the bolt ascends to drive the corresponding roller to retract into the corresponding groove in the bottom of the corresponding supporting leg; the nursing bed is fixed conveniently; the stability is improved; the bed plate can be sterilized conveniently; cross infection is avoided; the nursing bed is warm in winters and cool in summers; pressure sores and chilblain are avoided effectively; and moreover, the positions of an infusion support, a heating lamp and a traction frame can be adjusted optionally; raising of a patient is facilitated; and the practicality is high.

A mower for cutting grass comprises a traction frame that is self-propelled over the ground by a power source carried on the traction frame. The mower includes a thumb wheel throttle control that progressively increases and decreases the power output of the power source as the thumb wheel is rotated in one direction or an opposite direction. The thumb wheel has a plurality of tabs that define grooves on an arcuate rim on the thumb wheel for receiving a thumb or index finger of one of the operator's hands.

The invention discloses a multifunctional back motion device, mainly comprising a base, a hip section, a belly and chest part section, a leg section, a head section, a neck traction frame and a soft mattress. One side of a lifting column of the base is combined with the hip section, the opposite side thereof is combined with the belly and chest section, the base is provided with a wiggling handle of a wiggler, the wiggling handle is combined with a second driver, the tail end of the wiggling handle is combined at the bottom of he hip section, a third driver is arranged on a front section of a central axis of the hip section, the tail end of the third driver is combined with one side below a hip base, a fourth driver combined with a sliding support frame is arranged on the middle section of a hip base, the other side of the hip section is combined with the leg section, a fifth driver combined with the lifting column is arranged on one side of the belly and chest section, the belly and chest section is combined with the head section, a support rod combined with a sixth driver is arranged below the belly and chest section, the front end of the head section is combined with the neck traction frame, and the lower end of the support rod of the head section is provided with a traction rod combined with a seventh driver. By using the plurality of drivers, which are controlled manually or by the settings of a computer, to respectively actuate, the purpose of assisting the physiotherapy on spine correction of a user is achieved so as to treat discomforts on the back due to scoliosis, spinal misalignment, spinal fusion, prominent cartilage, and the like.

The invention relates to a machine for planting sand willows in farming and stockbreeding areas and desert areas, which comprises a rectangular rack, a three-point suspension traction frame, an air compressor, a wicker inserting cylinder, a wicker gripping cylinder, a continuously variable transmission, a first electromagnetic valve, a second electromagnetic valve, a radiating fan and a walking wheel assembly. The machine is characterized in that the air compressor is driven to work through a universal power input shaft, a walking wheel drives a driven wheel to move to enable the continuouslyvariable transmission to control a multi-tooth cam to work, and the wicker gripping cylinder and the wicker inserting cylinder are driven to work alternately through a bidirectional switch to complete a series of working processes such as wicker gripping and inserting, soil compaction and soil covering. The invention aims at providing an automatic sand willow planting machine which has the advantages that the working efficiency is high, the labor intensity is reduced, the operation quality is ensured and the damage to the original soil vegetation is very small.

A stand-on riding mower has a support platform at the rear thereof for supporting an operator who stands during operation of the mower. The support platform is pivotally connected to the traction frame of the mower by a suspension that includes pivotal support plates at each side of the platform. At least one spring is arranged to push against the pivotal support plates in a direction causing the platform to rise such that the weight of the operator atop the platform causes the platform to lower until increasing biasing force in the spring balances the operator's weight. The spring ensures that impact shocks and the like on the traction frame of the mower are cushioned before reaching the operator's platform. In addition, the operator's platform is pivotal relative to the support plates to allow the operator's platform to be disposed in both a vertical stowed position and a horizontal deployed position.

The invention discloses a comprehensive crop straw harvesting machine. The comprehensive crop straw harvesting machine comprises a tractor, a picking-up and crushing device, a rotary air flow separation chamber, a forming unit, a speed change gearbox and a harvesting machine chassis, wherein the picking-up and crushing device is hung at the front part of the harvesting machine chassis, the front end of the harvesting machine chassis is connected with a traction frame, the traction frame is connected with the tractor through a hook, the speed change gearbox, a formed material bagging device and a formed material storage tank are sequentially fixed at the top part of the harvesting machine chassis from the front to the rear, and a crushed material lifting fan is connected between a discharge outlet of the picking-up and crushing device and a feed inlet of the rotary air flow separation chamber; a first power output shaft and a second power output shaft are arranged on the speed change gearbox, the first power output shaft is connected with a power input shaft of the forming unit, and the second power output shaft is connected with a power input shaft of the picking-up and crushing device. The comprehensive crop straw harvesting machine is integrated with functions of picking-up, collection, crushing, dust removal and separation and block pressing and formation, the operating efficiency and the processing quality are improved, and the number of operators and the running cost of the equipment are reduced.

The invention discloses a profile modeling cotton top-cutting machine comprising a suspending traction frame (5), a stand (4), a driving mechanism (2) and a rotating top-cutting knife (11). The profile modeling cotton top-cutting machine is characterized in that the stand is provided with a height-measuring sensor which comprises a downward-floating swing rod (8) and a sensing sliding plate (9); a top-cutting knife rest (1) hinged with the stand (4) is arranged at the other end of the stand (4); the rotating top-cutting knife (11) is arranged at the end part of the top-cutting knife rest (1); a top-cutting knife floating driving mechanism (3) is arranged between the top-cutting knife rest (1) and the stand (4); and the top-cutting knife rest (1) and the floating swing rod (8) are provided with connecting rods (10) and travel switches (6). Compared with the prior art, the invention has the advantages of simple structure, reliable work, stable performance, low construction cost and easy popularization and application, can measure and model cottons with different heights aiming at topographical conditions, and has high production efficiency and favorable application prospect.

The invention relates to a rotary land leveler operating device based on a short-tooth shape. The device consists of a traction frame, a rotary mechanism and a shovel blade body assembly; the rotary mechanism consists of a hydraulic motor, a worm wheel / gear speed reduction box and a rotary gear ring; the hydraulic motor and the worm wheel / gear speed reduction box are integrated into a whole; a co-axial pinion is arranged on a worm wheel of the worm wheel / gear speed reduction box; the co-axial pinion is engaged with the rotary gear ring; the rear end of the traction frame lifts the rotary gear ring to the lower part of the traction frame through a guide plate; the rotary gear ring can do rotary motion on the lower part of the traction frame; the shovel blade body assembly consists of a support, an angle retainer and a shovel blade; the support is fixed on the rotary gear ring; the angle retainer is fixed on an angle retainer installation shaft positioned on the support; the shovel blade is connected with a horizontal hydraulic oil cylinder and arranged on a sliding rail; the angle retainer is connected with one end of the sliding rail; and the rotary gear ring can be replaced by a rotary support structure with an internal ring and an external ring, and a connection mode is also required to be correspondingly adjusted. By the device, a land leveler rotary mechanism is simple in structure and has long service life, the reliability of the rotary land leveler working device is greatly improved, and the reliability of the whole land leveler is greatly and correspondingly improved.

The invention relates to a minitype laying device for a power cable. The minitype laying device comprises a conveying chute and a traction frame detachably connected to the front end of the conveying chute. The two ends in the length direction of the conveying chute are open, a channel allowing the cable to penetrate through is formed in the conveying chute, and a traction mechanism capable of being connected with the end of the cable is installed at the front end of the traction frame; two conveying racks capable of sliding in the width direction of the conveying chute are installed in the conveying chute in a spaced mode, a spacing adjustment mechanism used for adjusting the distance between the two conveying racks is connected between the two conveying racks, each conveying rack is surrounded by a rubber chain, the two rubber chains are matched with each other so that the cable can be clamped between the two conveying racks, the conveying directions of the two rubber chains are identical and the two rubber chains are synchronously driven by a power conveying mechanism installed in the conveying chute. According to the minitype laying device for the power cable, traction and conveying operation of the cable can be completed in narrow space, the integrated structure is stable and reliable, operation is convenient and fast to achieve, the workload of cable laying can be lowered, and human input is reduced.

The invention relates to a powder fertilizer distributor, comprising a rack, a fertilizer can, a ground wheel, a furrow plough, a fertilizer discharging pipe, a soil backing plate, a press wheel, a handrail, a traction frame and a stirrer. The invention is characterized in that the stirrer comprises a fertilizer can stirrer and a fertilizer discharging stirrer; the ground wheel is arranged in front of the rack through a rotating shaft of the ground wheel; the rotating shaft is provided with a drive sprocket which is driven by a drive chain together with a driven sprocket arranged outside the fertilizer discharging pipe; the rotating shaft of the driven sprocket stretches into the fertilizer discharging pipe; the fertilizer discharging stirrer is assembled on the rotating shaft; a crank iscoaxially arranged with the rotating shaft of the driven sprocket; the end of the crank is connected with a connecting rod which slides in a locating part of the fertilizer can body; the end of the connecting rod stretches into the fertilizer can by buckling; the fertilizer can stirrer is installed at the end of the connecting rod; driven by the crank and the connecting rod, the fertilizer can stirrer carries out stirring movement in elliptic track in the fertilizer can. The invention is compact in structure, light in operation and reliable in applying and sowing powder or granular fertilizers, and saves labor in dragging.

The invention discloses a variable-amplitude foldable land leveler for a dry land. The variable-amplitude foldable land leveler for the dry land comprises a traction frame, a machine frame, a land leveling shovel and a walking mechanism. The traction frame is connected with the machine frame. The land leveling shovel and the walking mechanism are arranged on the machine frame. The land leveling shovel comprises a main shovel blade, two auxiliary shovel blades and two variable-amplitude shovel blades. Each end of the main shovel blade is sequentially connected with one auxiliary shovel blade and one variable-amplitude shovel blade. The main shovel blade is hinged to the auxiliary shovel blades. A folding power mechanism is arranged between each auxiliary shovel blade and the corresponding variable-amplitude shovel blade and pushes the auxiliary shovel blade to conduct folding movement towards the front of a shoveling surface. Each folding power mechanism is located on the back side of the shoveling surface. Each folding power mechanism comprises a telescopic cylinder, wherein a cylinder block of the telescopic cylinder is hinged to the main shovel blade, and a telescopic rod of the telescopic cylinder is hinged to the corresponding auxiliary shovel blade. Each auxiliary shovel blade and the corresponding variable-amplitude shovel blade are connected through a detachable structure. The amplitude of the land leveling shovel of the land leveler can be adjusted, and therefore transportation is convenient.

The invention discloses a fertilization tank car. A plurality of independent dosing chambers and a mixing chamber are arranged in a tank body of the tank car; the dosing chambers are connected with the mixing chamber through a dosing delivery pump and a conveyer pipe; a stirrer is arranged in the mixing chamber; the mixing chamber is connected with a fertilizer spraying mechanism through a discharge pipe and a fertilization pump; portable soil microelement detection and analysis equipment and a soil nutrient tacheometer are clamped outside the tank body or on a traction frame; the soil microelement detection and analysis equipment is provided with a soil microelement detection probe; data output ends of the soil microelement detection probe and the soil nutrient tacheometer are connected with a microprocessor through a first data acquisition module and a second data acquisition module separately; and the microprocessor is also connected with the dosing delivery pump, the stirrer and the fertilization pump through a data analysis module, a control module and a data transmission line. The fertilization tank car has the characteristic of being simple in structure, and targeted fertilization can be carried out according to the distribution condition of the content of different microelements in soil.