53results about How to "Does not affect up and down movement" patented technology

The invention relates to a wall-mounted digital television receiving antenna. The wall-mounted digital television receiving antenna includes a lifting column arranged at the outer side of a wall, a lifting seat arranged on the lifting column, an antenna frame arranged on the lifting seat, and an antenna arranged in the antenna frame; the lifting column includes side walls arranged in parallel at two sides of the lifting column; the inner sides of the side walls are provided with toothed bars, and the outer sides of the side walls are provided with guide grooves; the back of the lifting seat is provided with two engaged gears; the outer sides of the gears are engaged with the toothed bars; the upper side and lower side of the back of the lifting seat are provided with guide blocks; motors are arranged in the lifting seat; the back of the antenna frame is provided with a mounting column; the upper part of the antenna frame is provided with an assembling component; the antenna is fixed on the assembling component; two ends of the assembling component are rotatably connected with the inner side wall of the antenna frame; the assembling component is provided with a pull ring; and an end portion of the telescopic shaft of a telescopic cylinder is connected with the pull ring. The height, unfolding angle and inclination angle of the antenna can be adjusted very easily, the rainwater resistance of the antenna is strong, and the service life of the antenna is long.

The invention relates to an industrial cutting apparatus, particularly a cutting torch lifting apparatus for a numerical control plasma cutting machine used for cutting medium-thickness metal sheets. The invention aims to provide a cutting torch elevator for a plasma cutting machine, wherein the cutting torch elevator has the advantages of simple structure and high operational safety and has the function of dust prevention. The cutting torch elevator is provided with a screw rod, an elevating seat and a protection plate, wherein the screw rod is installed on a frame and driven by a motor; the elevating seat is matched with the screw rod; a cutting torch device is connected to the elevating seat; the frame is provided with a guide rail which is used for guiding the elevating seat to rise or fall; the elevating seat comprises a rotation pair, a slide block, a slide block connecting plate and a cutting torch seat; the rotation pair is matched with the screw rod in a rotating mode; the slide block is fixedly connected with the rotation pair; the slide block connecting plate is fixedly connected with the slide block; the cutting torch seat is fixedly connected with the slide block connecting plate; the slide block is provided with a notch which is matched with the guide rail on the frame; the cutting torch seat is connected with the cutting torch device; and the protection plate is arranged between the slide block connecting plate and the cutting torch seat and connected with the frame.

The invention relates to an automobile swing arm assembly of an independent suspension. The automobile swing arm assembly comprises a swing arm body, a ball pin and two bushings, wherein the ball pin and the swing arm body are fixedly connected through a bolt; the two bushings are in crimping fit with the swing arm body; a ball pin mounting clearance is formed in the swing arm body; a front swing arm and a rear swing arm are arranged at opposite positions of the swing arm body and the ball pin mounting clearance; the cross section of the front swing arm is I-shaped; S-shaped reinforcing ribs are arranged in the front swing arm; the cross section of the rear swing arm takes the shape of a groove; and the strength of the rear swing arm is greatly improved. According to the automobile swing arm assembly provided by the invention, an upper shoulder and a lower shoulder are additionally arranged in the front and rear of the ball pin respectively, and thus vertical force acted on the bolt and moment of the vertical force are transferred to the ball pin and the swing arm body; the rail end of a polished rod of the bolt penetrates into the ball pin mounting clearance which is formed in the front of the swing arm body, and thus stress on a polished rod and thread transition position of the bolt is reduced; and the functions of mounting a spiral spring, the ball pin, the front bushing, the rear bushing and a stabilizer bar connecting rod are integrated on one swing arm body, so that the structure is greatly simplified and the weight of the automobile swing arm assembly is reduced.

The invention provides a pen capable of continuously sucking ink. The pen capable of continuously sucking the ink comprises a pen point and a pen holder, wherein a pen tongue is arranged in the pen point and connected with a pen tip; a one-way valve capable of enabling the ink to enter the pen holder from the pen point is arranged at the lower end of the pen holder; the one-way valve is arranged in a one-way valve body; a piston device is arranged on the upper part of the pen holder; an exhaust channel is arranged between the pen point and the pen holder; and the piston device is fixed througha corresponding piston fixing device. According to the pen capable of continuously sucking the ink provided by the invention, under the condition that the pen is not inverted, a piston rod button isrepeatedly pressed down and loosened, air exhausting and ink sucking can be continuously carried out, only one hand is needed for operation, and the convenience in use is achieved; and more ink is stored, so that the service life is long.

The invention relates to an obstructive piston type particle damper. According to the technical scheme, the lower portion of a guide rod (8) is fixedly connected with a screw hole in the closed end of a damper shell (3) through a thread, and the lower end of the guide rod (8) is fixedly connected with a base through a thread. The upper end of a piston rod (1) penetrate a cover plate (6) and a damper cover (2) to be connected with an external mechanical vibrating system, and the upper portion of the guide rod (8) is movably sleeved with the lower portion of the piston rod (1). A cavity below the cover plate (6) is filled with particle damping materials (7). The piston rod (1) is a whole formed by a rod body and a rotary body, and the rotary body is a sphere or a spheroid or a rhombohedron. A round hole is formed in the lower end face of the piston rod (1) inwards along the axis, and the diameter of the round hole and the guide rod (8) are in clearance fit. The obstructive piston type particle damper is simple and reliable in structure, convenient to manufacture, low in cost, stable in damping effect and wide in application range, can generate large damping and adjust the magnitude of the damping, is suitable for vibration attenuation of periodic vibrating equipment, and is also suitable for vibration attenuation of impact vibrating equipment.

The invention discloses a quick assembly type expressway multistage buffer guardrail. The quick assembly type expressway multistage buffer guardrail comprises a moving unit, a multi-stage guardrail main body unit and an intelligent control unit; the moving unit comprises a sliding rail and a positioning rail which are in parallel, wherein the positioning rail comprises a fixing rail formed by a plurality of intervals; the multi-stage guardrail main body unit is arranged in the sliding rail in a sliding mode; the multi-stage guardrail main body unit comprises a plurality of sub-guardrails; eachsub-guardrail comprises a middle protective plate, a buffer protective plate and a supporting unit; each buffer protective plate comprises outer protective plates, pushing mechanisms and an air bag;the air bag is arranged between the front end outer protective plate and the middle protective plate; the pushing mechanisms are symmetrically connected to the corners of the front end outer protective plate and the middle protective plate; the rear end outer protective plate is connected to the rear side of the middle protective plate in a vertically movable manner; and the intelligent control unit comprises a controller, a stress monitoring module and an impact guardrail track prediction module. According to the quick assembly type expressway multistage buffer guardrail of the invention, through multi-stage buffering, the collision speed of a vehicle is greatly reduced, and casualties and damage to the vehicle are reduced to the minimum.

The invention relates to the technical field of part machining, and discloses a surface finishing device for part machining. The surface finishing device comprises a device bottom plate, the top of the device bottom plate is provided with an insertion finishing cleaning mechanism and a hidden sand blasting mechanism. The finishing mechanism comprises an electric telescopic cylinder, a device top plate, a motor protection cover, a motor, a motor shaft, a rotating rod, an upper cover cylinder, a lower cover cylinder, a connecting cylinder, round holes, clamping holes, a connecting pipe, a clamping plate, cleaning bristles, a cleaning box body, a bearing, an outer ring and an inner ring. According to the surface finishing device for part machining, the inner ring and the outer ring are arranged on the outer side of the rotating rod, multiple fixing rods are supported between the inner ring and the outer ring, grinding balls and grinding blocks on the fixing rods are utilized, in the rotating process, double grinding of the grinding balls and the grinding blocks can be carried out on parts, meanwhile, after the connecting cylinder descends and is clamped into the connecting pipe, and when the rotating rod rotates, the connecting pipe and the cleaning bristles are driven to rotate, so that the surfaces of the ground parts are cleaned, and a grinding mechanism and the cleaning mechanism are integrated.

The invention discloses a plant protection unmanned aerial vehicle with convenient medicine box installation and capability of reducing the vibration of a medicine box. The plant protection unmanned aerial vehicle with convenient medicine box installation and capability of reducing the vibration of the medicine box comprises an unmanned aerial vehicle body, wherein the left side of the lower surface of the unmanned aerial vehicle body is fixedly connected with a vertical plate, the lower surface of the vertical plate is fixedly connected with a bottom plate, the upper surface of the bottom plate is fixedly connected with the lower surface of a base plate through two damping devices, and the two damping devices are separately positioned on the left and right sides of the upper surface of the bottom plate. According to the plant protection unmanned aerial vehicle with convenient medicine box installation and capability of reducing the vibration of the medicine box, by arranging a first extrusion plate and a second extrusion plate, people rotate a handle to drive a threaded rod and a rotating shaft to rotate, and the threaded rod moves leftward to drive the second extrusion plate to move leftward through a rotating device, so that the medicine box can beconveniently fixed to the base plate, and the elasticity generated when two first springs are squeezed is used for damping the medicine box through two movable rods and the base plate, thus convenience is brought to people in installing the medicine box, and the vibration of the medicine box is reduced.

The invention relates to the field of building construction equipment, in particular to a multifunctional building construction material carrying device. The device comprises a vehicle body, a supporting rod is fixedly installed at the right side of the vehicle body, a lifting rope is movably installed at the right side of the supporting rod, a lifting plate is fixedly installed at the lower end of the right side of the lifting rope, fixing rods are fixedly installed at the two sides of the lifting plate, and clamping devices are movably installed at the two sides of the lifting plate. A clamping rod is movably installed in each clamping device, and one ends of the clamping rods penetrate out of the clamping devices, so that after the clamping devices drive the clamping rods to make contact with a building material, the clamping rods overcome the acting force of internal springs to move inwards under the action of the building material; and the clamping rods which are not in contact with the building material can be attached to the outer side of the building material, when the lifting rope drives the lifting plate to move upwards, the building material can be directly driven to move upwards, excessive acting force does not need to be applied to the building material through the two sides of the clamping devices, and therefore the building material is prevented from being damaged.

The invention discloses a storehouse building structure for making full use of room space. According to the technical scheme, the storehouse building structure comprises a bottom wall, a left wall, aright wall, a back wall and a top wall are arranged above the bottom wall, a lifting board is arranged above the bottom wall, a lifter is connected with the lifting board, a separating mechanism is arranged below the lifting board, and space between the lifting board and the bottom wall can be separated when the lifting board is lifted, and a hidden groove used for embedding the separating mechanism is arranged above the bottom wall. The storehouse building structure for making full use of room space has the advantages that the space structure in the storehouse can be converted so that it's convenient for people to store the goods.

The invention discloses a spring compressing machine facilitating compression quantity detection and used for a spring. The spring compressing machine comprises a base plate, vertical plates are fixedly connected to the left and right sides of the upper surface of the base plate, the upper surfaces of the two vertical plates are fixedly connected to the lower surface of a transverse plate, a threaded cap is clamped to the upper surface of the transverse plate, a threaded column is in threaded connection to the interior of the threaded cap, and the top end of the threaded column is fixedly connected to an output shaft of a motor. According to the spring compressing machine facilitating compression quantity detection and used for the spring, the motor is arranged, the output shaft of the motor rotates to drive the threaded column to rotate, under the effect of the threaded cap, the threaded column downwards moves to drive a rotating shaft, a bearing and a movable plate to move downwards,the movable plate downwards moves to extrude the spring, at the time, the displacement of compression of the spring is measured through a displacement sensor and is processed through a processor to be transmitted to a display screen, a person can accurately know the compression quantity of the spring, and convenience is brought for the person to measure the compression quantity of the spring.

The invention discloses an agricultural unmanned aerial vehicle mounting device. The device comprises an undercarriage fixed on the unmanned aerial vehicle. Four sets of positioning mechanisms are arranged on the undercarriage; one side of each set of positioning mechanism is fixedly connected with a sliding inner cylinder; and a fixed outer plate is fixedly connected between two sets of sliding outer cylinders, a fixed inner plate is fixedly connected between the other two sets of sliding outer cylinders, a mounting mechanism is arranged on the lower end surface of a supporting bottom plate,and four sets of symmetrically-arranged auxiliary balance mechanisms are arranged on the upper end surface of the supporting bottom plate. According to the agricultural unmanned aerial vehicle mounting device, the positioning mechanism and the fixed outer plate are matched with the fixed inner plate for use so that the device can be mounted on unmanned aerial vehicle undercarriages of different sizes, meanwhile, vertical movement of a mounted object is not affected, through cooperative use of the arranged auxiliary balance mechanism and the mounted mechanism, balance of the mounted device canbe improved, the unmanned aerial vehicle can be ensured to stably operate, and actual use is met.

The invention discloses a detection device for nitrogen dioxide and a use method thereof, which belong to the field of environment detection. The device comprises a shell; an air inlet pipe is embedded in the side wall of one side of the shell; and an air extractor is arranged in the air inlet pipe. The nitrogen dioxide in the air can be detected, nitrogen dioxide is determined by using a naphthalene ethylenediamine hydrochloride spectrophotometric method, the detection result is more visual and accurate, the absorption liquid can be replaced, and therefore, the device can be repeatedly used and has enough service life; the hemispheroid shell is driven by a driving motor to rotate, the hemispherical shell is used for blowing air into the volumetric flask, the air absorption speed is increased, the reaction efficiency is improved, the pressing plate is driven to move downwards through rotation of the screw rod and limitation of the telescopic rod, the pressing plate presses a silicone tube to the bottom plate, circulation of the silicone tube is blocked, the situation that a solution is sucked back is prevented, and the whole device is simple in structure, low in cost, high in stability and capable of being repeatedly used.

The invention discloses a method and device for adjusting the flow of underground distributed water in an up and down reciprocating motion manner. The method comprises the following steps of: realizing the reciprocating motion of an adjusting device under a shaft by using a control motor powered by an electric cable for controlling the closing and opening of a locating detent; adjusting the flow of a water distributing mandrel by using an adjusting motor powered by the electric cable; placing the adjusting device under the shaft by replacing the traditional suspension cable with the electrical cable, powering the motors by using the electric cable, and simultaneously realizing the real-time monitoring on underground data. The device is formed by improving a first generation storage type product and is not used yet in the technical field of water flow adjustment of hollow shafts. According to the method, the electrical control is carried out by adopting the brushless motors and the locating detents and replaces the control mode of the traditional mechanical timer so that operating personnel can control the locating detent arranged under the shaft on the ground in a long-range manner, and the reciprocating motion of the adjusting device is realized. By adopting the method and device, the adjusting efficiency is greatly improved, the repetitive work is avoided, the working time is greatly saved, and the working efficiency is improved.

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to a sensor for monitoring the outdoor air humidity. The sensor comprises an unmanned aerial vehicle body, a wind shielding mechanism, a transmission mechanism and a positioning assembly. A sensor body is installed in the unmanned aerial vehicle body, the wind shielding mechanism is used for sealing a port of the sensor body, the transmission mechanism is used for driving the wind shielding mechanism to move, and the positioning assembly is used for fixing the sensor body in the unmanned aerial vehicle body. When the unmanned aerial vehicle body ascends, the transmission mechanism drives the wind shielding mechanism to seal the port of the sensor body, and the wind shielding mechanism resets and gradually opens the port of the sensor body along with the balance of the unmanned aerial vehicle body in the air. After the unmanned aerial vehicle body reaches the required height and is balanced, the wind shielding mechanism automatically relieves blocking of the sensor body, and then the interior of the sensor body can be in direct contact with air at the required height.

The invention provides a book information acquisition device. The acquisition device is placed in a library; books in the library are provided with two-dimensional codes authenticated by the library;a borrower borrows the books by himself / herself through the acquisition device; books enter the inner part through a book inlet with the self-locking function. Books are scanned by an inspection sensor on the inspection conveyor belt; an auxiliary sensor corresponding to the checking sensor is used for identifying and screening the books; when the book information is input correctly, the book canbe conveyed to the book outlet through the conveying device, the borrower can take away the book, and when the book information is input incorrectly, the book enters the collecting opening through thecollecting conveying belt and is taken away by a book manager, so that an anti-theft effect is achieved.

The invention belongs to the technical field of PVC pipes, and particularly relates to a raw material stirring tank for PVC pipe machining. A tank body is included. A stirring shaft is arranged at themiddle portion in the tank body and provided with a plurality of fixedly-connected stirring rods. A stirring motor is arranged at the center position of the bottom of the tank body. An output shaft is arranged at the output end of the stirring motor and movably penetrates through the bottom of the tank body. The bottom of the stirring shaft is provided with a connecting groove movably connected with the output shaft. The part, located in the tank body, of the output shaft is provided with a plurality of limiting blocks, and the side wall of the connecting groove is provided with a plurality of limiting grooves matched with the limiting blocks. The outer side wall of the upper end portion of the stirring shaft is provided with a reciprocating thread, the part, located on the outer side ofthe reciprocating thread, of the stirring shaft is provided with a connecting block connected with the reciprocating thread, the outer side of the connecting block is provided with a plurality of fixing rods, and the fixing rods are fixedly connected with the inner wall of the tank body. The stirring efficiency of raw materials in the tank body is improved, stirring is more thorough, and the subsequent product quality is improved.

The invention discloses a luminescence keyboard. The luminescence keyboard comprises a luminescence module capable of generating a light beam, a key and a frame plate. The key has a key cap. The frameplate is located between the key and the luminescence module. A punching hole and an inclined plane wall are included. The key cap is inserted into the corresponding punching hole. Through arrangingthe inclined plane wall, the width of the upper portion end of the punching hole is less than the width of the lower portion end of the punching hole so that the inclined plane wall can partially cover the key cap and the light beam is prevented from leaking from the punching hole. By using the luminescence keyboard, a halation phenomenon can be improved.

The invention discloses a hand warmer for a computer operation device. The hand warmer is technically characterized in that an electric heating element (9) is arranged on a bracket; a power switch (17) controls the operation of the electric heating element (9); the computer operation device is arranged under the electric heating element (9).

A roof rainwater collection and recycling structure designed for green buildings, the invention relates to the technical field of roof rainwater collection; the collection pipe is embedded in the right side of the inner bottom of the roof; the connecting pipe is embedded in the rear side wall of the roof; the upper end of the telescopic pipe It is connected with the lower end of the connecting pipe; the right side wall of the reservoir is embedded in the left side wall of the green building; the insertion frame is movably inserted in the reservoir; the lifting plate is fixed on the upper side of the insertion frame, and the lifting plate is sleeved on the The lower end of the telescopic tube; the fixed plate is fixed on the upper side of the left wall of the green building; the lifting mechanism is arranged on the upper side of the fixed plate, and the lifting mechanism is connected with the lifting plate; the filter frame is inserted in the upper side of the insertion frame; the water level sensor Fixed on the upper side of the inner wall of the insertion frame; the controller is set on the upper side of the fixed plate, the controller is connected with the water level sensor, and the controller is connected with the lifting mechanism, which can expand the storage capacity of the reservoir according to the demand, so that when the rainfall is large When it is used, it is not easy to overflow, so that it will not cause a large amount of rainwater loss.

The invention discloses a fixing device for hollow shaft processing equipment. The fixing device comprises guide columns, an upper processing mechanism, a lower movable table and a support mechanism;four guide columns are vertically fixed on the ground to form a cube structure; the lower movable table is sleeved on the guide columns, and is connected to a connecting hose for driving the lower movable table to move up and down; the support mechanism is detachably mounted on the front surface of the lower movable table, and can support and limit the connecting hose; the support mechanism includes mounting plates, a support assembly and a rolling assembly; and two mounting plates are fixed on the front surface of the lower movable table through screws and positioned on the two sides of the connecting hose. Through arrangement of the support mechanism, the longer connecting hose can be supported and limited to prevent the surface wear caused by continuous friction; meanwhile, the connecting hose is prevented from overlapping and pressing under the movable table to damage; and the whole mechanism does not influence normal work of the whole processing equipment.

The invention relates to the technical field of mechanical processing equipment, and discloses a numerically controlled vertical precision milling machine, which includes a transmission base, a shaft sleeve is fixedly sleeved in the middle of the transmission base, and a special-shaped groove is opened in the middle of the shaft sleeve, and the special-shaped The slot is clamped with a fastening block, and the bottom end of the shaft sleeve is threadedly connected with a limit nut and the position of the fastening block is clamped by tightening the limit nut. The CNC vertical precision milling machine rotates the rotating shaft to drive the adjustment of the front and back sides of the electromagnetic strip, which can generate suction and repulsion with the permanent magnet. The repulsive force generated between them, and the repulsive force between the two can be controlled by adjusting the current of the electromagnetic strip electric control system, and an additional up and down impact force is provided while rotating and cutting. Compared with traditional milling, which uses layers from top to bottom Go to the way of milling the workpiece (refer to Figure 6) to increase the cutting rate.

The invention discloses a same-side multi-head resistance welding machine for a frame and a skin. The same-side multi-head resistance welding machine comprises a shell, a welding part and a lower cantilever assembly, wherein the welding part comprises a plurality of electrode tips; the lower cantilever assembly comprises a bearing platform; the welding part is arranged on the upper part of the shell, and the lower cantilever assembly is arranged at the lower part of the shell; the plurality of electrode tips are all arranged right above the bearing platform; and the welding part comprises a first mounting seat, a sliding groove plate, a first air cylinder seat, first air cylinders, first piston arms, an upper electrode block, a lower electrode block, middle electrode blocks, electrode armsand the electrode tips. The same-side multi-head resistance welding machine has the advantages of same side multi-head welding, the electrode tips are arranged on the upper part, no electrode heads is arranged at the lower part, the lower part is provided with the bearing platform for bearing and supporting, single-side welding is carried out only on the upper part, a welding spot is formed onlyon the single side, and the welding spot cannot be formed on the back surface, so that a grinding step after welding is finished is not needed, and the time and the labor are saved.

The invention discloses a glass fiber fabric reinforced PPS composite material laminate preparation device and method, and belongs to the technical field of composite material laminate preparation, the glass fiber fabric reinforced PPS composite material laminate preparation device comprises a forming box, a conveying frame and a discharging box, a spray forming assembly and a front discharging assembly are arranged in the forming box, and the two sides of the conveying frame extend into the forming box and the discharging box correspondingly; a conveying supporting assembly, a detection assembly and a conveying belt are installed on the conveying frame. According to the glass fiber fabric reinforced PPS composite material laminate preparation device and method, the push rod moves along with the spraying frame to drive the roller head and the forming roller to move in the horizontal direction, the air cylinder drives the supporting plate and the forming roller to synchronously ascend and descend in the vertical direction, spraying is conducted when the supporting plate and the forming roller descend to the bottommost position, and after spraying is finished, the pushing rod moves to the forming roller. The supporting plate and the forming roller ascend at the same time, discharging and position changing of the forming roller are achieved through power, it is avoided that extra power controls lifting of the forming roller, and meanwhile horizontal sliding of the forming roller is not affected.