45results about How to "Guaranteed tilt" patented technology

The invention discloses a bridge detection robot based on a four-axle aircraft, comprising the four-axle aircraft. The main machine body of the four-axle aircraft is axially provided with a trough installation channel; the installation channel is internally provided with a self-adaptation matching regulation device; the main machine body is also provided with an onboard flight control unit and an installation platform, wherein the installation platform is connected with the main machine body through the self-adaptation matching regulation device and is provided with a shooting unit; a master control system consists of the onboard flight control unit and a ground control unit; and an image data processing system consists of the shooting unit and a ground image processing unit. The invention realizes the automatic sensing and line walking of a bridge detection position through a wireless shooting controller and high-accuracy distancer by utilizing the four-axle aircraft with superhigh stability in the sky as a basic equipment carrier and can also move high-accuracy photographing equipment to a bridge position to be detected, thereby realizing the automatic bridge damage detection and identification under no-man control.

Provided is a farm electrification system. The farm electrification system comprises a farmland power grid, a servo circuit, at least one suspension machine and an electric power agricultural machine. The farmland power grid is communicated with one end of the servo circuit, the other end of the servo circuit is connected with the electric power agricultural machine, the middle of the servo circuit is connected to the lower end of the suspension machine in a hanging mode, and the suspension machine is communicated with the servo circuit. The suspension machine comprises a right rotation electric blade type lift machine and a left rotation electric blade type lift machine. The right rotation electric blade type lift machine comprises a right rotation protective cover, right rotation blades and a right rotation motor. The right rotation blades are mounted on a rotating shaft of the right rotation motor. The left rotation electric blade type lift machine comprises a left rotation protective cover, left rotation blades and a left rotation motor. The left rotation blades are mounted on a rotating shaft of the left rotation motor. The lower end of the right rotation motor is mounted on the top face of the left rotation protective cover. The rotating direction of the left rotation motor is opposite to the rotating direction of the right rotation motor, and the rotating direction of blades of the left rotation blades is opposite to the rotating direction of blades of the right rotation blades. The right rotation motor and the left rotation motor are connected in parallel and then are communicated with the servo circuit. The farm electrification system is suitable for farmland operations.

A pull-out mechanism for a drawer (2) in a drawer cavity (3) in a piece of furniture (4). The pull-out mechanism includes an upper rail (8) with a substantially U-shaped cross- section, said rail being affixed to the drawer (2) in its longitudinal direction, and possibly a lower rail (8) with a substantially U-shaped cross section, said lower rail, possibly indirectly, being affixed to a wall (5)in the drawer cavity (3), and an intermediate rail (10) which in its longitudinal direction is movable between the upper rail and the lower rail. At least one bearing holder (12, 22) with roller (14,15, 24, 25) and balls (16, 29) is inserted between the intermediate rail and the upper rail and the lower rail respectively. Exactly one bearing ball (16, 29) is mounted in the part of the individualbearing holder (12, 22) placed on one side of the intermediate rail (10); two rollers or wheels (14, 15, 24, 25) are mounted in the part of the individual bearing holder (12, 22) placed on the other side of the intermediate rail (10). The axes of rotation of said rollers or wheels are placed in each their plane of two planes standing perpendicular to each other. A substantially horizontal auxiliary roller (18, 28) extending to both sides of the intermediate rail (10) is mounted in the individual bearing holder (12, 22) between the intermediate rail (10) and the upper rail (6) and the lower rail (8) respectively. Hereby a considerably constructive simplification is achieved and the pull-out mechanism can bear both horizontal and vertical loads in a reliable way. Furthermore it is possible to pull out the drawer to a position just outside the actual piece of furniture.

The invention discloses a suction cup type rail cleaning device which comprises a bottom plate. Bristles are located outside a scraper. The upper end of the circumference of a rotating pipe is sleevedwith a driven belt wheel which is connected with a driving belt wheel through a belt. The driving belt wheel is connected with a motor which is fixed to the upper end of the bottom plate. The upper end of the rotating pipe is connected with a soft gas guide pipe through a mechanical sealing element. The other end of the gas guide pipe is connected with an exhaust fan. A storage battery is arranged on the bottom plate. A switch is arranged on a supporting rod and electrically connected with the storage battery. The switch is electrically connected with the motor and the exhaust fan. When a rotating plate rotates, the scraper can be driven to rotate; by arranging a first spring and a second spring, the scraper has toughness, the squeezing force is ensured by means of the first spring, and it is ensured through the second spring that the scraper can incline and be prevented from getting stuck when encountering a hard object; dirt scrapped away can be sucked away by the rotating plate andenter a dustproof box, and therefore cleaning is thorough.

The invention relates to a movable building construction device. The movable building construction device comprises a chute body, a sliding support, a sliding rail, formwork supporting frame units, connecting rods and connecting beams. The sliding support can be rotationally installed in a supporting ring at the lower end of the chute body through the connecting rod at the upper end, the supporting frame unit set composed of the two supporting formwork units can also be rotationally installed in the supporting ring through the connecting rod at the upper end, and the movable building construction device and a tank car can be synchronously pushed along the sliding rail to complete whole-section pouring. The formwork supporting frame units can be flexibly pushed to a working face needing construction through walking wheels and can be stably supported on a foundation object through supporting legs after being assembled. A worker can safely and freely walk and work under a frame body through an I-shaped frame, and the adjacent formwork supporting frame units are positioned through the connecting rods in threaded connection and then fixed into a whole through the horizontal connecting beams, the inclined connecting beams and fixing structures, so that the movable building construction device can be applied and popularized in tunnel and pipe gallery roof formwork supporting with narrow working faces, short construction periods and special positions.

A nailing device (1), comprising a housing (2), a nail cartridge (5), a setting mechanism for the setting of the nails, a bolt guiding element (6) for placement on the object (16) into which the nails are to be introduced, so that the bolt guiding element (6) is used for the setting of the nails and for the support for the nailing device, a trigger (7) for the activation of the setting mechanism, a supporting foot (8) for the additional support of the nailing device (1); it should be possible to drive the nails into the object (16) without a special alignment of the nailing device (1) by the operator, essentially vertically relative to a hypothetical object plane (17) spanned by the surface of the object (16) into which the nails are driven. This goal is attained in that the supporting foot (8) is provided with two supporting elements (9, 10) for a two-point contact, so that the nailing device (1) together with the bolt guiding element (6) has a three-point contact. Fig. 2 ---- ------ ------------------ ...... .....

The invention provides a loading method of a ship, which is applied to loading of the ship. The ship comprises a ship bow positioned at the front end, a ship stern positioned at the back end as well as a plurality of cabins positioned between the ship bow and the stern; the forefront cabin is the first cabin; and the hindmost cabin is the second cabin. The loading method of the ship comprises thefollowing steps: S1, loading cargoes in each cabin according to the preset loading total weight A of the ship, wherein the total weight of the cargoes loaded in all the cabins is B and B is less thanA; S2, calculating the weight E of the cargoes needing to be loaded in the first cabin as well as the weight F of the cargoes needing to be loaded in the second cabin according to the preset final immersion depth C2 of the ship bow and the preset final immersion depth D2 of the stern; and S3, loading the cargoes in the first cabin and the second cabin correspondingly according to the weight E of the cargoes needing to be loaded in the first cabin as well as the weight F of the cargoes needing to be loaded in the second cabin in the step S2. The loading method of the ship is higher in safety.

The invention provides a preparation method of a balance-axle bracket casting, and belongs to the technical field of balance-axle bracket castings. According to the method, a graphite chilling block is placed at the position (thermal center position) where the balance-axle bracket casting is prone to generate defects, the solidification speed of molten iron at the graphite chilling block positioncan be accelerated, a feeding head is eliminated, the phenomena of shrinkage porosity and shrinkage cavity of the casting are greatly reduced, and meanwhile, the utilization rate of the molten iron isalso improved.

The invention relates to a fan-shaped integrated badminton net rack which is light in weight, convenient to carry, and unrestricted in application occasion. The technical scheme is that the fan-shaped integrated badminton net rack comprises a bracket and a badminton net hung on the bracket; the bracket comprises a semi-ring fan handle; three supporting rods arranged in the radial direction of the fan handle and two cross rods arranged symmetrically and horizontally are connected onto the fan handle in a tight fit manner; one supporting rod is arranged vertically; two other supporting rods are arranged symmetrically through taking the vertical supporting rod as a center line; free ends of the three supporting rods are positioned at the same horizontal height; free ends of the cross rods are connected to support legs in a tight fit manner; a vertical pull rope is connected between free ends of the supporting rods on two sides and the support legs positioned on the same side; the badminton net is hung at the free ends of the three supporting rods; and the fan handle, the supporting rods, the cross rods, the vertical pull rope and the net are positioned in the same vertical plane; and the axial lines of the support legs are perpendicular to the plane.

The invention discloses semi-automatic skin soil turning equipment for cutting ring soil sampling. The equipment comprises a moving frame, a driving mechanism and a soil turning mechanism, the moving frame comprises a mounting plate and an operating frame, the operating frame is arranged at the head of the mounting plate and fixedly connected with the mounting plate, and the driving mechanism is mounted on the upper end face of the mounting plate, the driving mechanism is fixedly connected to the mounting plate, the soil turning mechanism is mounted on the lower end face of the mounting plate and is fixedly connected with the mounting plate, so that it is guaranteed that a user can stably use the equipment to turn the soil skin before taking out the soil through a cutting ring method, so that the user can more conveniently sample deep soil, the user can stably push the equipment to move by holding the operating frame when the skin needs to be removed, and the user can stably adjust the position of the holding frame in the guide shell according to needs when different persons use the equipment.

The invention discloses a metal part polishing device. The metal part polishing device comprises a machining bottom plate, wherein an adjusting support is fixedly connected to the middle of the left side of the top of the machining bottom plate, a polishing driver sleeves the outer side of the adjusting support, supporting clamps are fixedly connected to the two sides, close to the middle, of thetop of the machining bottom plate, a dust removal filter screen is fixedly connected to the top of the machining bottom plate and located in the middle of the supporting clamps, a polishing connectingshaft is fixedly connected to the bottom output end of the polishing driver, adjusting grooves are evenly formed in the outer side face of the polishing connecting shaft, auxiliary shaft blocks are fixedly connected into the adjusting grooves, the ends, located on the outer sides of the adjusting grooves, of the auxiliary shaft blocks are rotationally connected with polishing cutter bar mechanisms, and magnet blocks are fixedly connected to the bottom of the polishing cutter bar mechanisms and the lower portions of the inner sides of the adjusting grooves. The invention relates to the technical field of metal part machining. According to the metal part polishing device, it is guaranteed that the air pressure in each polishing blade is always in the same state, and the uniformity of polishing of different hole diameters is achieved.

The invention discloses a transformer substation infrastructure construction anti-toppling device. The transformer substation infrastructure construction anti-toppling device comprises a base, a fixing frame is installed on the base, a first adjusting mechanism and a second adjusting mechanism are installed in the fixing frame, and a first clamping mechanism is installed on the first adjusting mechanism. Two electric poles can be fixed and straightened at the same time, the base is used for supporting the device on the one hand, and the purpose of straightening the electric poles on the other hand can be achieved; the perpendicularity of the fixing frame on the base and the ground can be adjusted through a lifting mechanism on the base, and therefore it is guaranteed that the inclination of the fixing frame and the inclination of the electric poles are kept consistent; and first fastening mechanisms and second fastening mechanisms on the fixing frame are conveniently fixed to the electric poles, the fixing and righting efficiency is greatly improved, the second fastening mechanisms are matched with the second adjusting mechanism, the electric poles can be fixed and righted, the perpendicularity of the electric poles and the ground is guaranteed, the electric poles are prevented from inclining in the installation process of a transformer substation, the working efficiency is greatly improved, and the working quality is ensured.

The invention relates to equipment for temporarily containing hamsters and relates to the technical field of transformation of crop planting auxiliary equipment. The equipment is characterized in thatthe equipment comprises a baseplate, pulleys are arranged below the baseplate, and a fixing rod is arranged on one side of the baseplate; a kickplate is connected onto the fixing plate, a supportingrod is arranged on the baseplate, and a placement plate is arranged on the supporting rod; a connection plate is arranged on the placement plate, the connection plate is hinged to the placement plate,and a supporting plate is arranged on one side of the placement plate; a baffle is connected onto the supporting plate, a motor is arranged on the baseplate, and the supporting rod is connected to the motor. The equipment for temporarily containing the hamsters is reasonable in structure, convenient to operate and convenient to use.

The invention discloses a rubber wall bushing processing mold. The rubber wall bushing processing mold comprises an upper mold, a lower mold, an oil cylinder, a guide sleeve and a guide rod. A plurality of spindle-shaped chambers are formed in the upper mold, and a plurality of spindle-shaped chambers are formed in the lower mold. Flange grooves are formed in the upper ends of all the lower mold chambers. Rubber filling holes are formed in the body of the mold. Positioning mechanisms are installed at the bottoms of all the chambers respectively. A plurality of flange pins are installed at theperiphery of each chamber of the upper mold, and are evenly distributed around the axis of the corresponding chamber of the upper mold. Each positioning mechanism comprises a through hole formed in the body of the mold, a sliding sleeve is installed in the through hole, a sliding rod is arranged in the sliding sleeve, one end of the sliding rod is fixedly connected with a pressing block arranged in the through hole, the other end of the sliding rod is fixedly connected with a limiting block, the sliding rod is sleeved with a first spring, and the two ends of the first spring abut against the pressing block and the sliding sleeve respectively. A screw corresponding to a screw hole in the bottom of an inner core conductor of a wall bushing is arranged on each pressing block. With the rubberwall bushing processing mold, one inner core conductor can be accurately positioned, and rubber can be prevented from entering the screw hole of one inner core conductor.

The invention relates to the technical field of fertilizing machines, in particular to a rice transplanting and fertilizing synchronized machine. The rice transplanting and fertilizing synchronized machine comprises a driving agricultural machine, a planting mechanism, a fertilizer discharging and conveying device, a ditching, fertilizing and earthing device and a fertilizing hose. The fertilizerdischarging and conveying device is connected with the ditching, fertilizing and earthing device through the fertilizing hose to convey fertilizer. A grooved pulley mechanism frequently used in otherfields of the industry is applied to the fertilizer discharging and conveying device to achieve intermittent rotation, the duration for downwardly discharging the fertilizer by a downward fertilizer collection tank is prolonged remarkably, and accordingly, the moist fertilizer can fall thoroughly under the action of gravity. Because a shaper is designed in the shape of an inverted-T-shaped structure with a small upper opening and a large lower opening. Air is rapidly blown out from a pipe; after contacting with the bottom and the wall of a ditch, air flows touch a middle platform of the inverted-T-shaped structure while driving the fertilizer to rotate; the fertilizer is retained to drop into the ditch, and accordingly, the centrality of the fertilizer is remarkably improved.

An interior vena cava temporary filter comprises a filtering structure on the lower portion and a recycling rod on the upper portion, and is characterized in that the recycling rod is provide with a wire hanging structure, a long traction wire is arranged at the position of the wire hanging structure, and the other end of the long traction wire is free; a sleeve structure is arranged on the outerside of the long traction wire, and a push rod which pushes out of the filtering structure by pushing the recycling rod is further arranged in a sleeve; the lengths of the long traction wire and the sleeve can ensure that the long traction wire is arranged in the sleeve and the long traction wire and the rear end of the sleeve are arranged in vitro; the sleeve and the other portions of the long traction wire are arranged in blood vessels. The wire hanging structure is a combination of an oblique notch or a traction wire ring; and the filter is a conical filtering structure, a spindle-shaped filtering structure or a crease mark filtering structure. The long traction wire is arranged on the filter, the recycling rod can be effectively prevented from being inclined, and because the long traction wire is fixed in vitro, the long traction wire can be convenient to collect after being used; and by the filtering structure consisting of multiple crease marks, the purpose of adjusting the interior vena cava temporary filter according to the circumstance of the sizes of blood vessels of a patent can be achieved.

The invention discloses a softening machine with a liquid feeding device, and relates to the technical field of softening machines. The problem of the mixing effect of the knitwear and the softening liquid is solved. The device specifically comprises a main body box, two supports are arranged on the outer wall of one side of the main body box, the outer walls of the opposite sides of the two supports are provided with the same arc-shaped containing frame, a mounting groove is formed in the outer wall of the top of the main body box, a material box is arranged on the inner wall of the mounting groove, and a liquid pump is arranged on one side of the top of the mounting groove; two inserting grooves are formed in the outer wall of the side, close to the liquid pump, of the body box, mounting cylinders are inserted into the inner walls of the two inserting grooves, a connecting pipe is arranged on the opposite sides of the two mounting cylinders, a guide pipe and a guide connecting pipe are arranged at the input end and the output end of the liquid pump respectively, two telescopic cylinders are arranged on one side of the connecting pipe, and a guide nozzle is arranged at the end of an extension rod of each telescopic cylinder. A support is arranged on the outer wall of the top of the body box. The stirring and mixing effects of the two are promoted, so that the knitwear can absorb the softening liquid, and the qualified rate of knitwear processing is promoted.

The invention of a new type of 3-DOF mixed pairs thin three-phase AC magnetic bearings, high-speed rotating machinery applicable to the 3-DOF suspension support. Take a permanent magnet ring at the same time as two thin magnetic bearings provide radial bias flux, divided into inner rotor, rotor structure and structure, internal and external structure of the rotor windings by the radial, at both ends of the thin sheet rotor, stator left flakes, circular Magnet, and the right, such as a thin stator 3-DOF exchanges mixed magnetic bearings; its axial freedom because of the thin radial magnetic bearings based on the principle of the permanent magnet motor thin bias passive role under control passive suspension of the stronger the magnetic bearings at the same time has a strong self-coordination function; two thin radial magnetic bearing with a tri-polar structure of a three-phase windings AC excitation, without axial control which also axial and radial coupling smaller axial suspension of its strong for both axial and radial interference or the presence of environmental load, and so they have greater applicability.

The invention provides a hovercraft based on magnetic levitation. The hovercraft comprises a hovercraft body, the hovercraft body comprises a ship body and an intelligent system, and the intelligent system comprises a pressure sensor, an air pressure sensor, a control box, an intelligent processor, a control switch, a power supply device, a first motor, a second motor, an alarm device, a first coil and a second coil. An inflatable cushion is arranged at the bottom of the ship body, a first suspension device is arranged between the inflatable cushion and the ship body, a second suspension device and a third suspension device are arranged on the two sides of the first suspension device respectively, a bottom plate is arranged in the ship body, a fixing frame is arranged between the bottom plate and the ship body, a fixing groove is formed in the fixing frame, a fixing plate is arranged in the fixing groove, a box body is arranged at one end of the ship body, a through hole is formed in the box body, and a mounting plate is arranged in the through hole. The hovercraft with the magnetic levitation function has the advantages that the hovercraft is reasonable in design and suitable forpopularization.

The invention discloses a river channel dirt blocking device with the function of diverting and blocking, which comprises an end fixed box, a baffle plate, an inlet groove and a gear box. The left side of the end fixed box is connected with an intermediate fixed box. The rear side of the baffle plate is connected with a connecting cylinder, the front side of the top plate is installed with an installation box, the inner side of the installation box is installed with a blocking plate, the bottom end of the blocking plate is connected with a support rod, and the bottom partition The bottom end of the net is provided with a drop bar, and the front side of the bottom spacer is provided with a hook fixed at the bottom of the middle fixed box. The river channel trash blocking device with diversion blocking function can divert the river channel, which is convenient to ensure the collection and treatment of floating oil and floating algae in the river channel; it can ensure the complete salvage of garbage floating in the water; avoid cutting off the river, and effectively It is conducive to ensuring the normal flow of the river and improving the water environment; it is convenient for adjustment and use, and can ensure the collection and treatment of garbage.

The low-noise high-speed oblique flow fan comprises a flow collecting shell, a flow guide cover, an impeller, a diffusion shell and a motor, the flow collecting shell and the diffusion shell are fixedly connected to form a fan diffuser shell, the rear end face of the diffusion shell is fixedly connected with the motor through an end cover connecting plate, the motor is arranged in the fan diffuser shell, and the flow guide cover is fixedly connected with the impeller. An impeller is fixedly connected to an output shaft at the front end of the motor, and a flow guide cover is fixedly connected to the front end face of the impeller. The low-noise high-speed diagonal flow fan for the ship has the advantages of being small in installation size and low in noise, and can meet installation with limited ship space and silence requirements of sailors for cabins.

The invention relates to the technical field of fertilizer applicators, in particular to a synchronous fertilizer application unit of a fertilizer applicator. The synchronous fertilizer application unit comprises a fertilizer discharging and conveying device, a furrowing, fertilization and earthing device, and a fertilization hose; the fertilizer discharging and conveying device and the furrowing,fertilization and earthing device are connected through the fertilization hose to convey a fertilizer; intermittent rotation is achieved for the fertilizer discharging and conveying device since a sheave mechanism common in other industrial fields is applied, so that it is ensured that the time for one fertilizer accumulating cavity, facing down, to release a fertilizer is extended greatly, and it is also ensured that the moist fertilizer can drop more thoroughly under the action of gravity. Each forming unit is in the shape of T having small top and large bottom; air is blown out quickly from a pipeline; after contacting furrow bottom and walls, the fertilizer may contact a T-shaped middle terrace when driven by the air to rotate, and the fertilizer is blocked and returned into one furrow; therefore, concentration of the fertilizer is increased greatly.

The invention provides a preparation method of a balance shaft support casting, which belongs to the technical field of balance shaft support castings. The present invention can accelerate the solidification speed of the molten iron at the position of the balance shaft support casting (hot spot) by placing the graphite chill at the position where defects are likely to occur in the casting of the balance shaft support, cancel the feeding riser, and reduce the shrinkage and shrinkage of the casting Significantly reduced, but also increased the utilization rate of molten iron.

The invention relates to a nail driver (1), which comprises: a housing (2); a nail magazine (5); a placement mechanism for placing nails; a pin guide element (6) for supporting until the The object (16) of the nail, so that the pin guide element (6) is used to place the nail and support the nailer; the trigger (7) is used to activate the setting mechanism; the supporting foot (8) is used to additionally support the hammer Nailer (1). The nail should be able to be driven into the object (16) substantially perpendicular to the imaginary object plane (17) formed by the surface of the object (16) into which the nail is to be driven, without the need for the operator to actuate the nailer (1 ) for special orientation alignment. This object is achieved by the following measures: the support foot (8) is provided with two support elements (9, 10) for two-point support, so that the nail driver (1) together with the pin guide element (6) has a A three-point support.

An optical device is provided. The optical device including an optical member having a first main surface and a second main surface, which respectively serve as an entrance surface and an exit surface for light from a directional light source, and made of a material having a refractive index greater than 1; and a support member at least including swing means for the optical member, wherein the first and second main surfaces of the optical member swingable by the support member are able to be inclined with respect to an optical path of the light from the directional light source.

The invention discloses an easy-to-operate elevator installation, maintenance, and debugging simulation system. The top of the operating table is symmetrically provided with a button placement groove, and the inside of the button placement groove is fixedly installed with an operation button. The top of the button placement groove is provided with a rectangular groove, and the rectangular groove The inside of the cover is slidingly installed with a cover plate, one end of the top of the cover plate is fixedly connected with a pull block, one end of the top of the console is rotated by a movable shaft to install a display screen mounting plate, and the back side of the display screen mounting plate is symmetrically fixed and fixed with a shaft seat, The middle part of the shaft seat is movably installed with a rotating shaft. The present invention plays a role of support and protection by arranging a limit ring sleeve to prevent the natural sagging of the cable from causing pressure on the connection between the cable and the connecting plug, thereby causing the connection of the cable to be damaged. It is easy to be broken and damaged, which improves the service life of the device, reduces the chance of cable loosening, ensures the normal operation of the device, and separates the cables from each other, which is convenient for operators to overhaul.

The invention discloses a suction cup type rail cleaning device which comprises a bottom plate. Bristles are located outside a scraper. The upper end of the circumference of a rotating pipe is sleevedwith a driven belt wheel which is connected with a driving belt wheel through a belt. The driving belt wheel is connected with a motor which is fixed to the upper end of the bottom plate. The upper end of the rotating pipe is connected with a soft gas guide pipe through a mechanical sealing element. The other end of the gas guide pipe is connected with an exhaust fan. A storage battery is arranged on the bottom plate. A switch is arranged on a supporting rod and electrically connected with the storage battery. The switch is electrically connected with the motor and the exhaust fan. When a rotating plate rotates, the scraper can be driven to rotate; by arranging a first spring and a second spring, the scraper has toughness, the squeezing force is ensured by means of the first spring, and it is ensured through the second spring that the scraper can incline and be prevented from getting stuck when encountering a hard object; dirt scrapped away can be sucked away by the rotating plate andenter a dustproof box, and therefore cleaning is thorough.

The invention discloses a double row type fore support. The double row type fore support comprises two rows of support bodies distributed in a left and right mode, a transverse reinforcing device is connected between the two rows of support bodies, and the two rows of support bodies each comprise a base, a top beam and a lifting driving device. The upper and lower ends of the lifting driving devices are separately connected with the bases and the top beams, the left and right sides of the top beams can be adjusted in a vertical rotation mode, and the lifting driving devices of the support bodies on both sides can independently perform lifting driving. According to the double row type fore support, the support bodies are separately arranged on the left and right sides, the top beams of theleft and right support bodies can be independently adjusted in height, and then the top beams are adapted to a left-and-right-inclined roadway roof; and in addition, the left and right sides of the top beams can be adjusted in a vertical rotation mode, the upper side surfaces of the top beams can incline adapting to inclination of the roadway roof, surface contact is ensured, and therefore stablesupporting is effectively ensured. In summary, the double row type fore support can effectively solve the problem of poor adaptation effect of a current roadway roof support.