119results about How to "To achieve the purpose of buffering" patented technology

The invention discloses a transportation fixing device for an electricity meter and relates to the technical field of electric equipment. The transportation fixing device comprises an outer frame. A bottom plate is fixedly connected to the bottom of the inner wall of the outer frame. Bases are fixedly connected to the two sides of the top of the bottom plate. One sides of the two bases are rotationally connected with connecting rods. Top seats are fixedly connected to the top ends of the connecting rods. A top plate is connected to the tops of the top seats in a sliding manner. By means of the transportation fixing device for the electricity meter, the purpose of buffering the bottom of the electricity meter is achieved, the phenomenon that the electricity meter is damaged due to vibration in the transportation process is prevented, property losses are avoided, the electricity meter is better protected, the transporting efficiency is improved, the transporting cost is saved, the phenomenon that the electricity meter is impacted in the re-transportation process is avoided, damage to the electricity meter is avoided, the measuring precision of the electricity meter is ensured, later-period use is facilitated, and the phenomenon that the precision of the electricity meter goes wrong due to errors is avoided.

The invention discloses a compact continuous casting and tandem rolling method for producing hot rolling strip steel, including the following steps: 1) liquid molten steel passes through a long nozzle from a ladle to be cast to a pouring box, flows through a submerged nozzle from the pouring box to be cast in a crystallizer of a continuous caster and is continuously cooled in the continuous caster to form a casting blank; 2) a shearing machine is used for cutting a flat blank into certain size; 3) the flat blank enters a tunnel roller hearth heating furnace for heating; 4) the continuous caster is provided with a plurality of casting flows, one of which is in collineation with a rolling mill, the casting blank of other flows passes through a swinging section and is converged with the casting blank of the collinear flow and then is descaled by high pressure water; 5) the casting blank carries out rough rolling into an intermediate blank by a roughing mill group; 6) the intermediate blank is coiled and decoiled by a hot coiling box; 7) the head and the tail of the decoiled intermediate blank are cut and descaling by high pressure water is carried out to the decoiled intermediate blank; 8) the intermediate blank carries out finish rolling into a steel strip with standard thickness; 9) the steel strip is coiled into a finished steel coil by laminar flow cooling. The method is characterized by stable production technique, shorter production line, low equipment investment and high utilization rate of energy in the whole production process, etc.

The invention discloses a hydraulic buffer. The hydraulic buffer comprises a base, an outer cylinder, an inner cylinder, a sealing device, a piston, a piston rod and a spring. The inner cylinder is of a hollow type, and the cylinder body of the inner cylinder is provided with oil holes which are evenly distributed in the axial direction of the inner cylinder; the pore sizes of the oil holes are different, and the oil holes are formed in the cylinder body of the inner cylinder at intervals. The hydraulic buffer is of a double-cylinder internal engine oil circulation type, the cylinder body of the inner cylinder is provided with the oil holes of an appropriate number and different pore sizes to generate different oil drain amount according to rated loads and rated speeds of elevators, accordingly needed damping can be generated to achieve the aim of buffering, and the hydraulic buffer can be applicable to elevators of different rated loads and different rated speeds; the oil holes in the inner cylinder are evenly arranged at intervals in the axial direction of the inner cylinder so as to enable the oil pressure of the hydraulic buffer to maintain basically stable and accordingly to enable deceleration of buffering and stopping to be relatively uniform, so that the safety of elevator running can be effectively guaranteed.

The invention discloses a lifting-type computer device display stand, and relates to the technical field of computers. The lifting-type computer device display stand comprises a base, supporting legs are fixedly connected to the bottom of the base through nuts, a middle supporting column is arranged in the middle of the base, a lifting device is fixedly connected to the upper end of the base, a first baffle and a first sliding block are arranged at the portion, located at the upper end of the base, on the surface of a supporting column, the lifting device is rotationally connected with the first sliding block, supporting rods are fixedly connected to the two sides of the first sliding block, a display stand is fixedly connected to the top end of the supporting rod, spot lamps are fixedly connected to the two ends of the top of the display stand, a host and a display are arranged in the middle of the top end of the display stand, a supporting stand is fixedly connected to the top end of the middle supporting column, and a buffering device is arranged at the top of the supporting stand. According to the lifting-type compute display stand, the lifting device is installed at the bottom end of the display stand, the computer is more roundly displayed in front of persons, and the person-adjustment display-stand height is also conveniently displayed.

The invention relates to a low-speed bidirectional regulating hydraulic buffer which comprises a shell, a cylinder body and a piston rod, wherein a spring is arranged between the other end of the piston rod and a contact, a damping hole is respectively arranged at both ends of a sliding sleeve in the shell, a regulating point is respectively arranged at the left end of the cylinder body and the right end of an end cover, and the sliding sleeve is matched with a regulating screw on the cylinder body. A clamp ring and a mounting flange are arranged on the shell. The opening regulation of the damping holes can be realized through regulating the regulating screw to enable the sliding sleeve to move left and right along an axial direction, the rotation stop between the cylinder body and the shell is realized through a guide pin, and the cylinder body and the end cover can be simultaneously rotated through a linked pin, thus, the opening regulation of the damping holes can be carried out respectively or simultaneously at the regulating points at both ends of the buffer, and bidirectional double-point regulation can be realized for the buffering speed of the buffer; the mounting flange and the clamp ring are designed at both ends of the buffer, thereby realizing the regulation of the buffering speed and the bearing capacity and the selection of a regulating mode and a mounting mode.

The invention discloses a dust-proof and heat-dissipating outdoor distribution box. It is fixedly connected with the bottom of the inner wall of the box, and the left side of the inner wall of the box is fixedly connected with the first partition board and the second partition board in turn from top to bottom, and the right side of the first partition board and the second partition board are connected with the The left side is fixedly connected, and the present invention relates to the field of electric power technology. The dust-proof and heat-dissipating outdoor distribution box achieves the purpose of dust-proof and heat-dissipating for the distribution box, and at the same time, achieves the purpose of cleaning the dust on the dust-proof cloth, ensures the cleanness of the air sucked in the wind bucket, and avoids The impact of dust on the function of the distribution box, while avoiding the fire safety hazards caused by the influence of dust, ensures the safety of the distribution box, reduces the maintenance cost of the distribution box, and prolongs the service life of the distribution box.

The invention relates to a safety brake of an elevator tractor, which comprises a tank plate of windings, an armature, a compression spring which is positioned on one end of a spring hole of the tank plate and is in contact with one end surface of the armature, a tongue plate installed on the other end surface of the armature, and a friction piece. The safety brake is characterized in that the number of the windings is 2n; and the windings are symmetrically or uniformly distributed on the tank plate, wherein n is a natural number. The invention has high braking performance, low cost and low noise.

The invention relates to a stop mechanism. The stop mechanism comprises a lifting cylinder mounted at the bottom of a lifting cylinder fixing seat, wherein the upper end of a cylinder shaft of the lifting cylinder abuts against a stop shaft; the lower part of the stop shaft extends into the lifting cylinder fixing seat; an elastic piece and an elastic abutting column are arranged inside the stop shaft and are matched with each other to form a buffer; a stop shaft press plate is mounted at the upper end of the stop shaft; an elastic abutting column press plate is mounted on the stop shaft press plate; the upper part of the stop shaft is stopped by the elastic abutting column press plate; a bird hook base is arranged on the right side of the upper part of the stop shaft press plate; a bird hook is mounted on the bird hook base by the aid of a rotating shaft; the elastic abutting column abuts against the bird hook; the bird hook rotates around the rotating shaft and resets automatically by the aid of a torsional spring; and rollers which are inserted below a carrier and can stop the carrier are arranged on the bird hook. The stop mechanism is applied to assembly by the aid of an automatic assembly line, can stop and position the carrier, and is simple in structure, low in cost and easy to operate.

This invention discloses one kind of drive shaft transmission cushion organization for use in engine, its characteristic lay in: The axis transmission power input axis and the power output shaft are connected by a spline with a pressure spring. The said power output shaft front end has the outside R trough, this outside R trough matches the R trough match in the power input shaft .In the inside and outside R trough is set with a steel ball.

The invention provides a conveniently adjusted type camera which comprises a camera body as well as a display screen and a microphone arranged on the camera body, wherein a slide bar is arranged at the bottom of the camera body and is provided with a first rotary mechanism and a second rotary mechanism; the first rotary mechanism comprises a first connecting rod and a second connecting rod hinged to each other in a crossed manner through a third pin roll; the first connecting rod is fixed on the slide bar through a first fixing block; the second connecting rod is connected with the slide bar through a sliding block; a bumper bracket is further arranged at the bottom of the camera body; a handle is fixed on the bumper bracket; and an arc-shaped guide rail is further arranged on the bumper bracket. The conveniently adjusted type camera automatically adjusts the center of gravity, is simple in structure and can change the dip angle according to specific site shooting demands; and in addition, stability of the camera during the moving process is increased, and usability of the camera is improved.

The invention discloses an emergency buffer device capable of preventing a lift car from rushing to the top and an elevator using the emergency buffer device. The emergency buffer device comprises an elevator derrick, a mounting seat, a servo motor, a power shaft and the like. The mounting seat is fixedly mounted on the right side of the top face of the elevator derrick, the servo motor is fixedly mounted on the mounting seat, and the power shaft is welded to the left end of an output shaft of the servo motor. Speed reduction calipers make contact with the power shaft, the speed reduction calipers exert resistance on the power shaft, so that the rotating speed of the power shaft and the rotating speed of devices on the power shaft are gradually decreased, meanwhile, through the effect of a first compression spring, a shifting clamping rod limits a movable limiting wheel, the rotating speed of the movable limiting wheel is decreased, the lifting speed of the lift car is decreased, then the lift car can stop in the gradual deceleration process, and the phenomenon that the lift car ascends too fast and rushes to the top when the braking effect of a brake is insufficient is prevented.

The present invention relates to a shaft transmission buffer mechanism, and is characterized by that between power input shaft and power output shaft a buffer mechanism is added, said buffer mechanism includes inner sleeve, external sleeve and press spring, in which the power input shaft is assembled in the inner sleeve, and the periphery of the inner sleeve and the external sleeve as power output shaft are connected by means of screwed tooth spline, and between the axial end face of the inner sleeve and inner end face of the external sleeve the press spring is placed. Said invention can eliminate the production of high-frequency resonance in power transferring process, and can implement the torque transferring flexible connection of shaft transmission, and can have buffer action.

The invention relates to a tire-type quick impact testing machine. The tire-type quick impact testing machine comprises an impact device, an accelerating device, a lifting device, a fixed ejection weight balance device, a buffering device and an impact testing platform; the impact device comprises a stepped shaft I, tires I and II, bearings I, a support guide rod and a straight spur gear I; the accelerating device comprises a speed variation device, a spline shaft, a slippage gear, a shifting fork device, a support I, a motor I, lower and upper box bodies, bearings II, III and IV, cone pulleysI and II, input shafts I and II, speed variation steel balls, stepped shafts II and III, bearing pedestals I and II, straight spur gears II, bevel gears I and II, an incomplete gear, a rocker, a speed variation connecting rod, a speed variation crank and a small motor; the lifting device comprises a crankshaft, connecting rods, telescopic rods and a motor II; the buffering device comprises buffering outer and inner shells, a spring I, balls and a buffering transparent cover; the fixed ejection weight balance device comprises a balancing weight, a fixed ejector and a support II. The tire-typequick impact testing machine has the advantages of being flexible and capable of achieving quick speed changing and lifting.

The invention discloses an energy absorption type front lower protective beam device for an automobile. The energy absorption type front lower protective beam device comprises a metal tubular crossbeam and two supports for connecting a chassis, wherein the metal tubular crossbeam and the supports for connecting the chassis are connected by bolts or welded into a whole through an energy absorption box; a reinforced oblique support beam is arranged between the supports for connecting the chassis and the metal tubular crossbeam; and the energy absorption box is made of a metal plate, and adopts a hollow structure. According to the energy absorption type front lower protective beam device for the automobile disclosed by the invention, the energy absorption box can generate crushing and folding deformation under the action of a collision force to consume a large amount of collision kinetic energy and achieve the purpose of cushioning, so that the safety of the personal automobile and the safety property of the automobile of the opposite side are improved, and the safety of people in the automobiles is guaranteed. Besides, the energy absorption type front lower protective beam device has the characteristics of being light in weight, high in collision compatibility, high in strength and the like.

The invention discloses an oil-gas balanced suspension system and a vehicle, and belongs to the technical field of vehicle balanced suspensions. The vehicle comprises the oil-gas balance suspension system, and the first oil cylinder is installed on one side of an intermediate axle of the vehicle and comprises a first rodless cavity and a first rod cavity; the second oil cylinder is installed on one side of a rear axle of the vehicle, the first oil cylinder and the second oil cylinder are located on the same side, and the second oil cylinder comprises a second rodless cavity and a second rod cavity. One end of the first oil pipe is communicated with the first rodless cavity, and the other end is communicated with the second rodless cavity; one end of the second oil pipe is communicated with the first rod cavity, and the other end is communicated with the second rod cavity; the damping adjusting piece is arranged on the oil pipe, away from the frame of the vehicle, of the first oil pipe and the second oil pipe. According to the oil-gas balanced suspension system and the vehicle, the smoothness and the trafficability of the vehicle can be guaranteed at the same time.

The invention discloses a small drilling machine convenient to carry, and relates to the technical field of machining. The small drilling machine convenient to carry comprises a machine box; two supporting rods are fixedly arranged at the bottom of the inner wall of the machine box; the top parts of the two supporting rods are connected to one sides of top plates through pins in a rotating mode; asleeve plate is fixedly arranged at the bottom of the inner wall of the machine box and is located between the two supporting rods; a lifting box is arranged in a sleeve hole of the sleeve plate in asleeved mode; a supporting plate is fixedly arranged on the inner wall of the lifting box; a through hole is formed in the center of the supporting plate; and a motor is fixedly arranged at the top of the supporting plate. The small drilling machine convenient to carry has the advantages of being simple in structure and light in weight and convenient to carry, in addition, a workpiece to be machined can be rapidly clamped in a labor-saving manner, the purposes of saving labor and saving time can be achieved, the machining time can be saved, the production efficiency of enterprises can be improved, and more favorable conditions can be created for economic development of the enterprises.

The invention relates to the technical field of hydraulic cylinders, in particular to a gas buffering yawing-force-resistant hydraulic cylinder and a yawing-force-resistant method thereof. The gas buffering yawing-force-resistant hydraulic cylinder is simple in structure and scientific in design, and yawing force is resisted through a supporting cylinder fixedly connected with a piston rod, gas buffering is realized through a front buffering cavity, a rear buffering cavity and dampers, and the dangerous situations that when a working part at a high movement speed is driven by the hydraulic cylinder, a structural element is damaged and oil leakage is caused are reduced. The gas buffering yawing-force-resistant hydraulic cylinder comprises an inner cylinder body and an outer cylinder body. The front ends and the rear ends of the inner cylinder body and the outer cylinder body are provided with a front end cover and a rear end cover correspondingly. The supporting cylinder is arranged ina cavity between the inner cylinder body and the outer cylinder body. The rear end of the supporting cylinder divides the cavity into the front buffering cavity and the rear buffering cavity. The front end of the supporting cylinder penetrates through the front end cover and extends out of the front end cover. A piston rod is arranged in an inner cavity of the inner cylinder body. The rod end of the piston rod penetrates through the front end cover and the front end of the supporting cylinder to be fixedly connected with the supporting cylinder. The front end cover and the rear end cover are provided with a first oil hole, a second oil hole and the dampers correspondingly.

The invention discloses an energy absorption connecting device. The energy absorption connecting device is characterized by comprising a first connecting head which is used for connecting with one being connected device, a second connecting head which is used for connecting with the other connecting device, a connecting sleeve which is provided with the pipe wall and the pipe chamber and an expansion inner core which is arranged inside the pipe chamber; one end of the connecting sleeve is connected with the first connecting head; the expansion inner core is arranged on the second connecting head; the first connecting head and the second connecting head are connected inside the pipe chamber through the expansion inner core or a connecting part or connected inside the pipe chamber through the expansion inner core and the connecting part. The energy absorption connecting device which absorbs energy can play roles of connection devices and heat absorption devices.

The invention discloses a new energy automobile shockproof battery, and relates to the technical field of automobile batteries. The new energy automobile shockproof battery comprises a battery outer shell, the side surface of the battery outer shell is fixedly connected with a mounting column, and the inner side wall of the battery outer shell is fixedly connected with a cooling frame. By arranging the mounting column, the top damping spring and the bottom damping spring can be fixed in the mounting column, the top damping spring and the bottom damping spring can deform to achieve the buffering purpose when the bottom of an automobile makes contact with a road, and the lower spring and the upper spring can form up-down limiting on a single battery, and achieve the damping effect; by arranging the cooling frame, the cooling frame can be communicated with a cooling water tank at the front part of the automobile through a water inlet pipe and a water outlet pipe, and when the working temperature of a single battery rises, an external water pump can be used for pumping cooling water in the cooling water tank into the cooling frame, so that the single battery can be cooled, and the purpose of prolonging the service life of a single battery is achieved.

The invention relates to a hydraulic device, and discloses a frame hydraulic oil way. Oil suction filters are both connected with a brake gear pump and a main pump, and a liquid filling valve is connected with the brake gear pump and double-one-way valves. The double-one-way valves are correspondingly connected with a front diaphragm type accumulator, a rear diaphragm type accumulator and a parking brake control valve. The front diaphragm type accumulator and the rear diaphragm type accumulator are both connected with a double-way brake valve. A hydraulic steering gear and a pilot oil source valve are both connected with the main pump. A high speed shift valve, a low speed shift valve, a balance cylinder valve and an oil collecting block are all connected with the pilot oil source valve. Awalking reversing valve, a bulldozing valve and a rotary shuttle valve are all connected with the oil collecting block. The walking reversing valve, the bulldozing valve, the rotary shuttle valve andthe main pump are all connected with a multichannel valve. A central rotary joint is correspondingly connected with the double-way brake valve, the parking brake control valve, the high speed shift valve, the low speed shift valve, the balance cylinder valve, a hydraulic steering valve and the multichannel valve. The problems of unreasonable flow distribution of the oil way of the brake gear pumpand the oil way of the main pump are effectively solved.