96results about How to "Large lifting range" patented technology

The invention discloses a self-adjusting type lifting platform for orchard work. The main structure of the self-adjusting type lifting platform for the orchard work comprises a carrying device, a sliding type scissor lifting device, a supporting frame, a guardrail, a working platform, a direction leveling device, a control center, telescopic hydraulic cylinders, pulleys, etc., wherein the slidingtype scissor lifting device is arranged above the carrying device; the working platform is supported through a group of lifting arms; the pulleys are mounted at the bottom parts of the lifting arms, and the lifting arms are connected to the telescopic hydraulic cylinders through hinges; the lifting platform can be driven through the lifting arms to move up and down as the hydraulic cylinder telescopes; the direction leveling device is arranged below the lifting platform; a gyrating support of the direction adjusting device is driven through a motor to rotate to realize the rotating of the working platform. According to the self-adjusting type lifting platform for the orchard work, a hydraulic system and the sliding type scissor lifting device are adopted, so that the reliability is high, and the movement stability in work is ensured; the lifting platform for the orchard work is capable of levelling under poor road condition such as a mountain slope and a hilly area or a road section with high relief amplitude. Therefore, the safety and the stability of the self-adjusting type lifting platform for the orchard work are ensured; and the demands are met.

The invention belongs to the technical field of equipment for drilling, anchor cable and anchor rod installation and fastening, and particularly relates to an electro-hydraulic anchor protection control double basket type two arm anchor cable anchor rod drill truck. The electro-hydraulic anchor protection control double basket type two arm anchor cable anchor rod drill truck includes a walking chassis, a vertical lifting platform, a rear machine frame, a left anchor protection large arm, a right anchor protection large arm, an advance support device and an automatic cable winding mechanism, wherein the vertical lifting platform is arranged right above the walking chassis to realize vertical lifting and lowering, a walking reducer is installed on the rear side of the walking chassis, a guide wheel is installed on the front side of the walking chassis, the vertical lifting platform is symmetrically provided with the left anchor protection large arm and the right anchor protection large arm which can realize height adjustment and swing adjustment on both sides, the advance support device is hinged to the front end of the vertical lifting platform, the rear machine frame is arranged inthe rear of the walking chassis, a motor, a pump station and an oil tank are sequentially installed on the top left of the rear machine frame to form a power system, a driving room and an electric control box are arranged above the power system, the automatic cable winding mechanism and a cable winding guide supporting roller group are installed on the left side of the driving room, and a rear stabilized shoe is installed at the bottom of the rear machine frame.

The invention discloses a horizontally wound coil assembly and disassembly mechanism which comprises a tray, a connecting rod, a jack, a frame and rails. The horizontally wound coil assembly and disassembly mechanism is used for assembling and disassembling small and medium-sized circular and elliptic coils, the tray is provided with a supporting plate bent into a certain angle, the supporting plate is used for supporting the coils and preventing the coils from rolling, the connecting rod comprises an upper connecting rod and a lower connecting rod, two ends of the upper connecting rod and two ends of the lower connecting rod are rotatably coupled with the tray and the frame respectively, coupled positions on the same side form a parallelogram, stable lifting of the coils is ensured in the disassembling and assembling process of the coils, and the frame is used for bearing the weight of the coils and mounting all parts of the mechanism and is matched with the rails to realize linear movement.

The invention discloses a bone chisel for interior lifting of the maxillary sinus. The bone chisel comprises a working end and a handle, the working end is provided with a groove and used for stripping the sinus floor mucous membrane towards the periphery so that the maxillary sinus lifting range can be widened, the end face of the tail end of the working end is a plane, and the thickness of the tail end of the working end ranges from 0.3 mm to 1.5 mm. A cylindrical working end of a bone chisel in the prior art is changed into the half-cylindrical or incomplete-cylindrical working end by forming the groove in the working end; when the improved bone chisel is used for lifting of the maxillary sinus, the bone chisel can go deep into the maxillary sinus and then strip the sinus floor mucous membrane towards the periphery under the premise that an implant tooth cavity with the same diameter is prepared, the maxillary sinus bottom lifting range is widened, and therefore the lifting amplitude of the maxillary sinus is improved.

The invention relates to a stepping type hydraulic elevating mechanism, which comprises an upper framework and a lower framework. The invention is characterized in that two parallel left upright columns are fixed on the lower framework, and two right upright columns are connected to the lower framework; an upper anchor ear slide block and a lower anchor ear slide block are arranged on each upright column, and locking devices are arranged on the anchor ear slide blocks; an upper cross bar is fixed between the upper anchor ear slide blocks on the left upright column, a lower cross bar is fixed between the lower anchor ear slide blocks, and the upper cross bar is parallel to the lower cross bar; an upper cross bar is fixed between the upper anchor ear slide blocks on the right upright column, a lower cross bar is fixed between the lower anchor ear slide blocks, and the upper cross bar is parallel to the lower cross bar; an oil cylinder is connected between the two groups of upper cross bars and the lower cross bars; the upper framework spans between the upper cross bars. The invention has the advantages that when the stroke of the oil cylinder is smaller, the distance from the upper framework to the lower framework can be small, if the upright column is enough high, the upper framework can be lift to a higher position, and is not limited by the stroke of the oil cylinder. The plane of the upper framework can be horizontal or declining, thereby providing convenience for adjusting the angle of the executive component of the device.

The invention relates to a transportation platform, particularly to a comprehensive moving transportation platform capable of lifting, and belongs to the field of transportation and assembly. The platform comprises a platform, a lifting mechanism and moving mechanisms, wherein the lifting mechanism and the moving mechanisms are respectively fixed on the platform. The platform disclosed by the invention is characterized in that the three moving mechanisms are fixed on the platform and circumferentially and uniformly distributed and mounted on the platform at intervals of 120 degrees. The platform disclosed by the invention is simple in structure, is flexible in movement, is large in lifting scope, is small in occupied space, greatly saves the labor force, has a higher lifting height, and is stable in lifting operation. A lifting speed can be regulated by regulating the rotating speed of a motor, the control performance is good, and the safety performance is good.

The invention discloses a transport vehicle for lifting, compacting, pulling and unloading waste, belongs to the field of city sanitation equipment manufacturing technologies, and particularly relates to an automobile for loading, unloading and transporting the waste. Due to the fact that currently, a garage transport vehicle in cities of China need to be used in cooperation with a waste transfer station, equipment is expensive, transporting efficiency is low, labor intensity is high, stay time of the waste is overlong, and secondary pollution is prone to being generated. A translational jib crane, unloading opening positioning bases, a top plate horizontal type compactor and an unloading mechanism installed on a carriage of the transport vehicle are adopted, so that defects existing in the prior art are effectively overcome, and the existing waste transport vehicle and the waste transfer station are replaced.

The invention provides a framework composition and assembly movement platform vehicle used for a passenger train bogie. The framework composition and assembly movement platform vehicle comprises an AGV, two movement pairs and two turnover units. Sliding blocks of the movement pairs can move in the vertical direction. Each turnover unit comprises a turnover element and a turnover drive motor, and the turnover element and the turnover drive motor of each turnover unit are mounted on the sliding block of the movement pair corresponding to the turnover unit. The rotary axes of the two turnover elements are arranged concentrically. A support is mounted on each turnover element, and a clamping mechanism which corresponds to a passenger train rack and is used for mounting and locating the passenger train rack is arranged on each support. The framework composition and assembly movement platform vehicle used for the passenger train bogie has the advantages of being high in turnover precision, wide in lifting range, flexible to move, high in locating precision, large in loading bearing and the like, the conveying process of instruments and equipment in the assembly process can be reduced, operation risks caused by manual operation are reduced, the assembly efficiency is improved, and the labor intensity of workers is reduced.

The invention discloses a lifting device for building construction and relates to the technical field of building construction equipment. The lifting device comprises a base and a lifting platform. Asupporting plate is installed above the base, an air cylinder is fixedly installed on the upper surface of the base and is connected with a telescopic rod, a movable seat is fixedly connected to the tail end of the side, away from the air cylinder, of the telescopic rod, a sliding wheel is fixedly connected tot he bottom of the movable seat, a sliding groove is formed in the right side of the aircylinder, the air cylinder pushes the telescopic rod to stretch and contract, the telescopic rod pushes the movable seat to move left and right in the horizontal direction, the sliding wheel slides left and right in the sliding groove, crossed lifting rods push the supporting plate to move up and down in the vertical direction, and initial lifting of the supporting plate is achieved; driving motors drive rotating shafts and first bevel gears to rotate, the first bevel gears drive second bevel gears and lead screws to rotate, the movable seats drives a bracket plate and connecting columns to move up and down in the vertical direction, and thus lifting of the lifting platform is achieved again. Building materials are conveyed to specified height, the lifting range is larger, and the equipment is convenient to move and install.

The invention provides a rotary drilling rig and a pulley yoke thereof. The pulley yoke is mounted on at least one pulley assembly on the top of a mast of the rotary drilling rig. The pulley assembly is matched with a winding wire rope of the rotary drilling rig. The pulley assembly comprises a front arm disposed on the top of the mast, a rear arm, a transverse arm and pulleys disposed on the front arm and the rear arm respectively. Two ends of the transverse arm are connected with the front arm and the rear arm respectively. At least one of the front arm, the rear arm and the transverse arm is telescopic so as to adjust distance between the pulley on the front arm and the pulley on the rear arm. By the pulley yoke, work range of a main pulley is increased, work range of the rotary drilling rig is increased, multi-functionality of the rotary drilling rig is achieved, auxiliary hoisting range is expanded, and intervention of hosting objects with the mast is avoided.

The invention relates to an internal-suspension internal-wire-drawing double-rocker 360-degree rotating pole which comprises a main post, rockers, lifting pulley systems and a rocker pulley system, wherein the top end of the main post is coaxially provided with a gin pole, and the gin pole and a main shaft can mutually and coaxially rotate 360 degrees by using a turntable bearing; the lower part of the gin pole is provided with the rockers in a left-right mirror symmetry mode through rocker hinged supports; the lower sides of both ends of each rocker are respectively provided with a lifting pulley system; the upper end of the gin pole is provided with a pulley seat; the upper part of the end side of each rocker is symmetrically provided with a rocker pulley; and the rocker pulleys, rocker idlers installed on the pulley seat in a mirror symmetry mode, guide pulleys installed in the main post, and rocker rising ropes constitute the rocker pulley system. The invention has the advantages of scientific structure, reasonable design, reliable installation, smooth operation, wide lifting range and high operating efficiency, and is suitable for single-side lifting or simultaneous double-side lifting of ultra-high voltage (UHV) transmission line steel angle high towers or tubular towers.

The invention relates to a pin roller bearing nut and screw rod pair. The pin roller bearing nut and screw rod pair comprises a screw rod and a nut, wherein the screw rod is externally provided with an outer thread; the pin roller bearing nut and screw rod pair further comprises a pin roller; the pin roller comprises a pin roller body; a roller head part of the pin roller body is in a cone frustum structure; a roller main body of the pin roller body is in a cylindrical structure; the nut is provided with pin roller holes; the roller main body is located in the pin roller holes to form clearance fit; the roller head part is located in a tooth groove of the screw rod to form the clearance fit; the diameter of each pin roller hole is a half of a screw pitch of the screw rod and the pin roller hole is arranged spirally; at least two circles of the pin roller holes are arranged; the pin roller holes are divided into pin roller positioning holes and pin roller adjusting holes; the pin roller positioning holes and the pin roller adjusting holes are arranged on a spiral track at intervals; the centers of the pin roller positioning holes are located on the central line of the spiral track; the centers of the pin roller adjusting holes are upwards or downwards deviated for the distance of one tolerance clearance relative to the axial direction of the central line of the spiral track. The pin roller bearing nut and screw rod pair is high in positioning precision, is great in bearing load, is safe and reliable in performance, is reasonable in structure, is convenient to mount and maintain and is wide in applicable range.

The invention discloses an agricultural spray irrigation device. The agricultural spray irrigation device comprises a water delivery pump, a lifting rod, a spray irrigation head and a pressure valve. A water inlet is formed in the left side of the water delivery pump, the right end of the water delivery pump is connected with an electromotor, a high-pressure water pipe disc is installed at the upper end of the electromotor, rotary shafts are fixed to the left end and the right end of the high-pressure water pipe disc, a high-pressure water pipe is installed on the inner sides of the rotary shafts, a high-pressure water pipe connector is arranged at the lower end of the pressure valve, the pressure valve is connected to the lower end of the lifting rod, and a fixing device is installed at the lower end of the spray irrigation head. The agricultural spry irrigation device is small in size and convenient to move, multiple spray irrigation devices can be arranged to carry out fixed-point spray irrigation at the same time, and large-area spray irrigation is achieved; the lifting range of the lifting rod is large, the height of the spray irrigation head can be greatly increased, the area of single spray irrigation is increased, the number of the spray irrigation devices is reduced, a movable water supply device can supply water in long distance, manual spray irrigation is not needed, use is easy, and operation is convenient.

The invention discloses a roadway advance support disassembling and assembling system and method. A plurality of roadway brackets form a roadway advance support in a roadway. The roadway advance support disassembling and assembling system comprises a ground transport vehicle, and further comprises a head bracket type hydraulic crane and a tail bracket type hydraulic crane which are located at thetwo ends of the roadway advance support; the ground transport vehicle is located below a support channel formed by the roadway advance support; the head bracket type hydraulic crane is used for lifting the roadway brackets, under the disassembly state, at the end of the roadway advance support onto the ground transport vehicle; the ground transport vehicle transports the disassembled roadway brackets to a to-be-mounted area in the tail of the roadway forward support; and the tail bracket type hydraulic crane lifts and mounts the roadway brackets in the to-be-mounted area. The roadway bracketsin the roadway advance support disassembling and assembling system are forwards circularly propelled in a disassembled mode, repeated support damage to a roadway roof is avoided, the workload of forward moving of the advance support is small, and the disassembling, assembling and transportation safety of the roadway brackets is high.

The invention discloses a portable medicine sales rack, which comprises two base plates, wherein the base plates are of hollow structures, and the sides, which are opposite, of the two base plates getinto lap joint; pistons sleeve the interiors of the base plates; one side of each piston is movably connected to the inner wall of the corresponding base plate via a return spring, and the other sideof the piston is fixedly connected to one end of a connecting rod; the other end of each connecting rod runs through the corresponding base plate and is fixedly connected to one side of a backing plate which is arranged outside; and the bottoms of the base plates and the bottoms of the backing plates are located on a same horizontal line. By improving the base plates and the backing plates, the connecting rods can be contracted into the base plates when the two base plates are squeezed oppositely, so that distances between two first vertical plates and two second vertical plates can be adjusted, and subsequently, the entire sales rack can be carried conveniently; and the two first vertical plates and the two second vertical plates can get close stably when an inserting rod is inserted into an opening between two semicircular plates and through cooperation with a clamping spring in use, so that the carrying of the entire sales rack can be facilitated.

The invention provides a multifunctional distribution pump truck which comprises a chassis, a stirring device, a feeding device, a pumping device, a distribution device and a hoisting device. A machine frame is arranged on the chassis; the stirring device is arranged on the machine frame and located at the rear end of the chassis; the feeding device is arranged on the machine frame and used for conveying materials into the stirring device; the pumping device is arranged on the chassis, a hopper of the pumping device is located below the stirring device, and the stirring device conveys the stirred materials into the hopper of the pumping device; the distribution device is arranged on a rotary table of the chassis, and a conveying pipe of the distribution device communicates with a discharge outlet of the hopper; and the hoisting device is connected with the distribution device and used for hoisting objects. The multifunctional distribution pump truck provided by the invention integrates hoisting, feeding, stirring, pumping and distribution functions, meets the requirement for automation of building construction of urban and rural areas, lowers the construction cost and improves the construction efficiency.

Abstract of the Disclosure A hoist pivotally connecting mast 1 to lifting arm 2, by a mechanism comprising a link 5 pivoting about a fixed pivot 8 on the mast 1 and a moving pivot 6 on the lifting arm 2. A restraining link 9 between a pivot 10 on the mast 1 and actuator attachment point 11 on the lifting arm 2 restricts the movement of link 5. The second link 9 acts as a stabilizer allowing the pivot 11 on the lifting arm 2 to move only through a set arc, determined by the length of the link 9 and the position of the pivot 10 on the mast 1. With the moving pivot according to the invention, the spreader bar attachment point 7 has a greater traveling distance than if it were simply pivoted about pivot 8 as with conventional hoists.

The invention relates to a ligament stretcher. The ligament stretcher comprises a turntable adjusting device, a riding structure, a fixing frame and two ligament stretching leg supporting frames, theturntable adjusting device is arranged on the riding structure, the fixing frame is connected to the riding structure, and the two ligament stretching leg supporting frames are rotatably disposed on two opposite sides of the riding structure. The ligament stretcher further includes a lifting device. The lifting device is connected to the two ligament stretching leg supporting frames and the turntable adjusting device, the turntable adjusting device is used for driving the lifting device to move up and down, the lifting device can adjust an included angle between the two ligament stretching legsupporting frames when moving up and down, and the function of ligament stretching is correspondingly achieved. Since the lifting and lowering range of the lifting device itself is large, adjustmentof the ligament stretcher itself is achieved, the ligament stretcher is not limited by inherent factors, such as the height of a participant, and the operability is higher.

The invention relates to the technical field of hoisting devices, in particular to a cantilever crane special for metallurgy. A rotary motor is arranged in an inner cavity of a rotary drive portion fixedly connected with the top end of a stand column, one side face of a rotating base in sleeved connection with the power output end of the rotary motor is fixedly connected with one end face of a cantilever, and an inner cavity of the cantilever is in sliding sleeved connection with a telescopic beam in the axial direction. An electric block is fixedly connected to the outer end of the telescopicbeam. The power output end of a telescopic motor arranged in the rotating base is connected with a threaded rod, and the threaded rod is in threaded sleeved connection to the axis of the telescopic beam. A connecting seat is in sliding clamped connection in a groove formed in the lower surface of the cantilever in the axial direction, the upper surface of the connecting seat is fixedly connectedto the lower surface of the inner end of the telescopic beam, and the connecting seat is rotationally connected with a supporting rod. A locating bolt is in sleeved connection in a through hole of a connecting lug seat of one outer side face of a circular ring in sliding sleeved connection with the periphery of the stand column in the vertical direction. The bottom end of the supporting rod is rotationally connected to the periphery of the locating bolt in a sleeving manner. The problem that the length of a cantilever of an existing cantilever crane cannot be adjusted is solved.

The invention relates to the technical field of building engineering and discloses an isolation fence convenient to use and used for building engineering. The isolation fence comprises a fixing frame.The inner side of the fixing frame is fixedly connected with a connecting plate, and the two ends of one side of the connecting plate are fixedly connected with telescopic rods correspondingly. A positioning block is fixedly connected to the middle of one side of the connecting plate, and the surface of the positioning block is fixedly connected with adjusting blocks. A folding net is hinged between the adjusting blocks, and the bottom end of the fixing frame is fixedly connected with a connecting block. The bottom end of the connecting block is fixedly connected with a fixing plate, and thelower surface of the fixing plate is fixedly connected with a moving device. According to the isolation fence convenient to use and used for building engineering, the moving device is arranged, a spring is arranged in the moving device, a construction site of building engineering is rugged, and thus shaking is serious during moving of the isolation face. Through elasticity of the spring, wagglingduring moving of the isolation face convenient to use and used for building engineering is greatly reduced, and thus the practicability of the isolation face convenient to use and used for building engineering is ensured.

The invention discloses a convenient-to-clean air purifier. The convenient-to-clean air purifier comprises a machine body, wherein the left side of the machine body is fixedly equipped with a fan; a gas inlet end of the fan fixedly communicates with a communication tube; a gas inlet end of the communication tube penetrates through the left side wall of the machine body and extends into the machinebody; supporting legs are further fixedly connected on the bottom of the machine body; a first through hole is formed in the right side wall of the machine body; the inner part of the first through hole is fixedly connected with a gas inlet tube; the inner part of the gas inlet tube is in threaded connection with a filter pipeline; two screens which are parallel to each other are fixedly connected inside the filter pipeline; and activated carbon is filled between the two screens. According to the convenient-to-clean air purifier disclosed by the invention, a pulling rod is in movable sleeve connection in the second through hole, and the position of a first filter frame and the position of a second filter frame are regulated by pulling the pulling rod, so that the first filter screen and the second filter screen are cleaned in a unified mode; and a water inlet and a water outlet are separately formed in the top and the bottom of the machine body, so that the problem that an existing air purifier is inconvenient to clean is solved.

The invention discloses a method of hoisting high altitude components. The method includes the steps of a, fixedly connecting a triangular steel frame having a hoisting beam to a steel frame of a moving carriage, mounting a chain block on the hoisting beam, fixing a component to be hoisted with a chain block cable, and hoisting and mounting the component in place through motion of the triangular steel frame and the chain block to form a boom crane. The method is simple and practical; the original vertical transport equipment need not be retained; operational safety is improved for constructors; labor intensity is partly reduced for workers; efficiency of hoisting components is improved effectively, and turnover times of hoisting equipment can be increased.

The invention discloses a car for transporting rubbish, and belongs to the technical field of manufacture and use of environmental sanitation devices. The car for transporting the rubbish overcomes the defects that due to the fact that a rubbish transporting car currently used needs to be used in combination with a rubbish transfer station, equipment cost is high, transport efficiency is low, labor environment is severe, labor intensity is high, rubbish sojourn time is long, secondary pollution is easy to generate and the like. The car for transporting the rubbish is formed by installing a hydraulic spiral arm lifting crane which can walk, and rise and fall on a dump truck, is used cooperatively with a collision dumping type rubbish can, completes operation of hoisting, transportation, dumping and the like of the rubbish, and thereby replaces various rubbish transporting cars and rubbish transfer stations, which are currently used, and furthermore can obviously reduce the use quantity of sanitation workers and improve work conditions.

The invention relates to an intelligent firefighting truck with an adjusting function and facilitating rapid rescue. The intelligent firefighting truck comprises a cab, a chassis, a firefighting device, a water tank, a water pump, a water pipe and a nozzle, wherein the firefighting device comprises a firefighting mechanism, a lifting plate and two lifting mechanisms; each lifting mechanism comprises a driving assembly and two lifting assemblies; the firefighting mechanism comprises a firefighting assembly, a translation assembly, an orientation adjusting board and an orientation adjusting assembly; the firefighting assembly comprises a bottom plate, a back plate, a movable plate, an extension plate, an extension unit, an operating panel, two side plates and two connecting units. Accordingto the intelligent firefighting truck with the adjusting function and facilitating rapid rescue, the lifting plate is driven to ascend by the lifting mechanisms, so that the firefighting mechanism rises to the same height position with fire disaster, and rescue is facilitated. Accordingly, firefighters can conveniently get close to and enter the fire source place for fire extinguishing work by means of the firefighting mechanism, the adjusting time of the firefighting truck is substantially shortened, rapid rescue is facilitated, and the practicability of equipment is improved.

The invention discloses a horizontal cramp machine for laminating motor stator iron cores, relates to a special cramp machine for laminating motor stator iron cores and particularly relates to a horizontal cramp machine for laminating motor stator iron cores with diameter and height of more than 300mm-1000mm. The horizontal cramp machine is mainly used for solving the problems that the lamination uniformity is poor, the diameter range of processed motor stator iron cores is small, the iron core is difficult to rotate when cramping is performed and the installation is complex in the existing cramp machine for motor stator iron cores. In horizontal cramp machine provided by the invention, a main hydraulic cylinder is horizontally fixed on a machine body, a secondary hydraulic cylinder is horizontally fixed above the main hydraulic cylinder, a piston rod of the main hydraulic cylinder is connected with a piston rod tension transmission mechanism, a laminating tyre connecting disc is connected to the main hydraulic cylinder through a support moving sleeve, a piston rod of the secondary hydraulic cylinder is provided with a pressure head lifting mechanism. The lifting range of a sleeve in the invention is large, the motor stator iron core rotates freely along with a fixture when being laminated and cramped, a tension rod rotates along with the motor stator iron core but the piston rods of the hydraulic cylinders do not rotate, and the installation of the machine is convenient.

The invention relates to a vehicle-mounted guard bar drilling machine with a foldable drilling frame. The vehicle-mounted guard bar drilling machine with the foldable drilling frame comprises a vehicle body, the drilling frame and a drilling rod assembly. The front end of the vehicle body is provided with a driving room. The drilling rod assembly is installed on the drilling frame in a lifting mode. The vehicle-mounted guard bar drilling machine with the foldable drilling frame further comprises a folding mechanism which is arranged on the vehicle body and used for folding the drilling frame located on the outer side of the vehicle body to the upper portion of the vehicle body. The folding mechanism comprises a base, a rotating mechanism, a rotating seat and a first oblique oil cylinder, wherein the rotating mechanism is arranged on the vehicle body and used for driving the base to swing in the horizontal plane, the lower end of the rotating seat is hinged to one end of the base, and the first oblique oil cylinder is used for making the rotating seat swing in the vertical plane. The two ends of the first oblique oil cylinder are correspondingly hinged to the other end of the base and the upper end of the rotating seat. According to the vehicle-mounted guard bar drilling machine, the drilling frame of the vehicle-mounted guard bar drilling machine can be folded when the vehicle-mounted guard bar drilling machine does not work, so that the problems that drilling frames of past drilling machines impact on a driving vision field of a driver and the depth of a hole drilled by a drilling rod is not deep enough are solved, and meanwhile, the whole structure is more beautiful.

The invention discloses a clothes dryer which comprises a cylinder body and a rear cover wall, wherein the cylinder body is used for drying clothes therein; a lifting stirring core and a plurality of lifting blades are arranged on the rear cover wall; the lifting stirring core extends to the interior of the cylinder body in the axial direction of the cylinder body; the lifting blades extend from the lifting stirring core in the radial direction of the cylinder body. According to the invention, since the lifting stirring core and the plurality of lifting blades are arranged, the problems that to-be-dried clothes is not lifted and shaken out obviously during operation of the clothes dryer at a low rotating speed are effectively solved, the lifting range is expanded, and the drying uniformity of the to-be-dried clothes and the drying efficiency of the clothes dryer are improved.