53results about How to "Avoid direct contact with friction" patented technology

The invention discloses a convenient-to-remove chip vertical hole punching device for an industrial plate. The vertical hole punching device comprises a work table, wherein the outer surface of the upper end of the work table is fixedly provided with a device case; a No.1 air cylinder is arranged in the middle position of the outer surface of the upper end of the device case; a No.2 air cylinder and a No.3 air cylinder are respectively arranged in positions, near the bottom end, of two sides of the device case; a control panel is fixedly arranged above the No.3 air cylinder; a No.1 hydraulic telescopic rod is arranged at the bottom end surface of the No.1 air cylinder and is positioned in the middle position of the upper end inside the device case. The convenient-to-remove chip vertical hole punching device for the industrial plate disclosed by the invention has the advantages that the position limiting fixation on the transverse direction and the vertical direction of the plate can berealized, so that high stability is realized during the hole drilling; the hole punching device is applicable to the hole drilling on plates with different widths and heights; wood chips on a bufferpad plate can be timely discharged out; the hole drilling on the plate can be slowly performed; the hole drilling precision is higher; the energy source consumption and the abrasion between componentscan be reduced.

The invention discloses a novel dynamic-static hybrid tilting pad radial gas bearing which mainly consists of an integrated tilting pad radial gas bearing body, a porous pad surface, a porous pad surface clamping board, a compressible gasket, a gas inlet tube and a tapered cap, wherein a tilting pad block of the integrated tilting pad radial gas bearing body is provided with a groove structure in an axial direction; the porous pad surface adopts a shaft shoulder type structure and is embedded into the groove structure of the tilting pad radial gas bearing body to form peripheral positioning and clamping, is pasted on the inner wall of the integrated tilting pad radial gas bearing body through coaxial glue, and is axially clamped by virtue of a flange structure on the porous pad surface clamping board to form axial positioning and clamping. The novel dynamic-static hybrid tilting pad radial gas bearing can effectively improve stability of the bearing, can prevent a shaft neck and a bearing surface from direct contact friction and can reduce abrasion to a bearing pad, is good in bearing heat dissipation, uniform in bearing temperature distribution and relatively small in temperature rise; and a thermal expansion problem is relieved.

The invention discloses a self-locking height adjustable table which includes a table top, front supporting legs, back supporting legs and an adjustment device. The adjustment device includes a self-locking air spring, a sliding bar, a sliding sleeve sleeved on the sliding bar, and a cross rod with two ends hinged to the back supporting legs. The sliding rod is longitudinally arranged at the bottom of the table top. The self-locking air spring is arranged in the sliding rod, and includes a cylinder, a piston rod and a release pin arranged on the piston rod. The front end of the piston rod is fixed on the sliding rod, the cylinder is fixed on the sliding sleeve through a bolt, and an elongated through hole is formed in the corresponding position of the piston rod. The bolt can penetrate through the elongated through hole and can slide along a strip of the through hole. The self-locking height adjustable table is simple in structure and reasonable in design, can stop at any position in the stroke by aid of the self-locking air spring, accordingly can adjust the included angle formed by the front supporting legs and the back supporting legs, and correspondingly the height of the table top can change. The self-locking height adjustable table is convenient to use.

The invention relates to the field of geogrids, in particular to a soil slope geogrid laying and mounting method. The soil slope geogrid laying and mounting method aims to solve the technical problems. According to the technical scheme, the soil slope geogrid laying and mounting method uses the following machining equipment comprising a lowering and laying system, a slope surface protection system, a first supporting leg frame, a second supporting leg frame and a third supporting leg frame, and the lower part of a mounting rack plate is in bolt connection with an embedded mounting bottom block. According to the soil slope geogrid laying and mounting method, automatic laying of the soil slope surface is achieved, a supporting structure is formed for the slope surface before laying, so that direct contact friction between the slope surface and a geogrid in the laying process is avoided, the situation that the geogrid rubs against a slope to damage the structure of the slope is prevented, and the effects of stable and rapid laying and soil slope protection are achieved.

The invention discloses an adjustable bouncing device which comprises a bouncing cloth and further comprises a flexible frame, wherein the flexible frame comprises a plurality of flexible units, a first lug is arranged on the left side of the flexible unit, a second lug is arranged on the right side of the flexible unit, the horizontal positions, relatively to the flexible unit, of the first lug and the second lug are different, the adjacent flexible units are peripherally and sequentially spliced, connecting rings are arranged at the upper end of the flexible frame, fixing ropes are arranged densely on the lower surface of the bouncing cloth, the bouncing cloth is connected and fixed with the flexible frame through the fixing ropes, the flexible frame is woven into a whole through a coil, and the coil is arranged in a spiral shape. With the adoption of the scheme, the frame of a bouncing table is formed by splicing a plurality of flexible units sequentially, when the requirements on the size of the bouncing table are different, the number of the flexible units can be changed at any time, so that the size of the flexible frame is changed, and the adjustable bouncing device is convenient and practical.

The invention discloses an elevator weight test device and method. The elevator weight test device comprises a controller and two trolleys with a same structure; one trolley is marked as a test trolley, and the other trolley is marked as a control trolley; each trolley is provided with a water tank, a water pump, a weighing sensor and a display screen; a water inlet of each water pump is communicated with the corresponding water tank; a water outlet of each water pump is provided with a flow sensor and is communicated with one end of a water pipe; the other end of the water pip can be communicated with the water tank of the other trolley; each weighing sensor is arranged at the bottom of the corresponding water tank; and the water pumps, the flow sensors, the weighing sensors and the display screens of the two trolleys are electrically connected with the controller. For the elevator weight test device, the test trolley is remotely controlled by the controller to perform a related weight test; a person does not need to enter an elevator car in the whole process to be prevented from being damaged by accidents of sudden shearing, elevator slip and the like of the elevator in the testprocess, and automatic uniform loading can be realized without needing that a person carries a weight back and forth, so that the test time is shortened, the labor intensity is lowered, and the efficiency and the safety of the weight test are greatly improved.

The invention discloses a display device. The display device is used for avoiding curling and closing of an unfolded display product, so that the display product is kept in a flat state during use, and the user experience is improved. The display device provided by the embodiment of the invention comprises a flexible display panel and a support frame assembly, wherein the flexible display panel has a display area and peripheral areas which surround the display area, and the support frame assembly is connected with the flexible display panel in the peripheral areas; and the support frame assembly comprises first support frames arranged at the opposite peripheral areas, and each first support frame is a rollable support frame.

The invention provides a pneumatic toothbrush, relates to the technical field of oral cleaning equipment, and the technical problems of easy friction, short service life and poor cleaning effect of ahairbrush type toothbrush head in the prior art are mainly solved. The pneumatic toothbrush comprises a pressure storage device, a liquid storage tank and a toothbrush body, and the pressure storage device is connected with the liquid storage tank through a pipeline; the liquid storage tank stores cleaning liquid, and the liquid storage tank is in communication with the toothbrush body through thepipeline; and the toothbrush body comprises a toothbrush head and a jet hole, and the jet hole is formed in the toothbrush head so that the cleaning liquid in the liquid storage tank can enter the toothbrush body under the action of the pressure storage device and jet out from the jet hole. According to the pneumatic toothbrush, high-pressure gas is provided by using the pressure storage device,the cleaning liquid in the liquid storage tank can be quickly ejected from the jet hole under the action of the high-pressure gas, and tooth washing is realized. Therefore, when cleaning teeth, the pneumatic toothbrush does not need direct contact and/or friction between the toothbrush head and the tooth surface so as to avoid the abrasion of the toothbrush head and prolong the life of the toothbrush.

The invention discloses a windproof high-rise steel structure vertical correction device, and relates to the technical field of high-rise steel structure vertical correction. The problem of measurement efficiency is solved. The device specifically comprises two clamping mechanisms, the output ends of the two clamping mechanisms are provided with two clamping rings, the four clamping rings are connected with the same steel column in a clamped mode, the opposite sides of the two clamping mechanisms are provided with the same telescopic rod, the end of one side of the telescopic rod is provided with a perpendicularity rolling measuring mechanism, the outer wall of the back face of the telescopic rod is provided with a handle, a display screen is arranged on the outer wall of one side of the telescopic rod, each clamping mechanism comprises a second air cylinder, two fixing blocks, two clamping blocks, two first guide rods, two L-shaped supporting rods, two connecting rods, a fixing shaft, two second guide rods and a sliding sleeve, and one end of each fixing shaft is arranged at one end of the corresponding telescopic rod. According to the device, a measurer can quickly obtain a perpendicularity measurement result, the steel column measurement efficiency and quality are improved, and carrying and operation are convenient.

The invention discloses a road garbage cleaning and collecting device, which includes the vehicle body, and a movable frame arranged at the bottom of the front of the vehicle body; the top end of themovable frame is articulated with the vehicle body, A cleaning mechanism for cleaning the floor and collecting garbage is arranged at the bottom of the movable rack, the cleaning mechanism includes afirst electric roller and a second electric roller, and a brush sleeve is sleeved on the exterior of the first electric roller and the second electric roller, the first electric roller and the secondelectric roller are rotated in opposite directions, the invention can support a first electric roller and a second electric roller through a movable frame, the first electric roller can be well protected, the brush sleeve can be driven to rotate by a first electric roller and a second electric roller which are relatively rotated, When the brush sleeve on the first electric roller is in contact with the rubbish on the ground, the rubbish can be swept upward, and then the rubbish is led into the vehicle body by the brush sleeve on the second electric roller, so that the rubbish on the ground canbe not only swept but also collected.

The invention provides a clutching type traction motor which comprises an electromagnetic clutch and a motor, wherein the electromagnetic clutch is fixed on the motor and driven by the motor, and the separation and reunion of the electromagnetic clutch are linked in starting and stopping of the motor. The clutching type traction motor achieves integration of the motor and the electromagnetic clutch, so that the electromagnetic clutch closes and separates automatically when the motor is started and stopped; and the clutching type traction motor does not require manual operation, is convenient to use and simultaneously has the advantages of being reliable in working and low in manufacture and maintenance cost.

The invention discloses a suspension piston type cylinder component, which comprises a cylinder, a piston and a closed crankcase. The crankcase is in butt joint and sealed with the cylinder, the piston is in clearance fit with the inner wall of the cylinder, the cylinder is in sliding seal with the piston without a sealing ring, a gas recharge pipeline is connected onto a side wall of the crankcase, is connected onto the cylinder and corresponds the position below a top dead center of the piston, a cooling liquid inlet is arranged on a side wall of the cylinder and communicated with a high-pressure cooling liquid container via a channel, a control valve is disposed on the channel, and the cooling liquid inlet is positioned on the side wall of the cylinder and corresponds to an area between the top dead center and a bottom dead center of the piston. The suspension piston type cylinder component has the advantages that leaking gas of the suspension piston can be recharged into the cylinder via the gas recharge pipeline without leaking to the outside of a closed space encircled by the cylinder and the crankcase, so that burning high-pressure gas is sufficiently utilized assuredly.

The invention relates to the field of glass flour sewage, in particular to a volute type sludge dehydrator applied to glass flour and water separation. The volute type sludge dehydrator comprises a rack, a stirring flocculation device and a dehydrating device. The dehydrating device comprises a water receiving tank, a spiral shaft and a volute body. The volute body comprises a fixed ring and a movable ring. A drainage outlet is formed in the water receiving tank. The stirring flocculation device comprises a water collecting tank, a water suction pipe and a water pump. A water inlet pipe, a drug inlet pipe and a drainage pipe are arranged on the water collecting tank. The drainage pipe communicates to the dehydrating device. A butterfly valve is arranged on the drainage pipe. The water collecting tank is divided into a reaction chamber, a settling chamber and a clean water cavity through three partition plates. A first overflow port is formed in the partition plate between the reactionchamber and the settling chamber, and a second overflow port is formed in the partition plate between the settling chamber and the clean water chamber. The dehydrator solves the technical problem in the prior art that the water collecting part is easily blocked and the drainage efficiency is low as glass flour and water are separated.

The invention provides a composite dynamic/static-pressure slide bearing. The composite dynamic/static-pressure slide bearing comprises a bearing inner sleeve and a bearing outer sleeve, wherein the bearing inner sleeve is arranged in the bearing outer sleeve; an original gap is formed between the bearing inner sleeve and the bearing outer sleeve; the bearing outer sleeve is provided with a liquid supply port; the liquid supply port is communicated with the original gap; a thrust cavity is formed between the end surface of one end of the bearing outer sleeve and the bearing inner sleeve; and the liquid supply port is communicated with the thrust cavity through the original gap. The composite dynamic/static-pressure slide bearing further comprises a shunt cavity; the shunt cavity is formed in the inner wall surface of the bearing outer sleeve; and the liquid supply port is communicated with the thrust cavity through the shunt cavity. The composite dynamic/static-pressure slide bearing is provided with the thrust cavity, the original gap and the liquid supply port, so that the axial force is balanced, and a liquid film is formed between the bearing inner sleeve and the bearing outer sleeve to prevent direct contact friction between an inner ring and an outer ring. According to the composite dynamic/static-pressure slide bearing, a peripheral bearing and a radial bearing are integrated into one bearing, so that the function of the radial bearing is realized when the bearing balances the axial force of a spaceflight mechanical pump.

The invention relates to a semi-rigid composite polyester net cage and an assembling process thereof. The semi-rigid composite polyester net cage comprises a net bag, which is composed of a side net and a bottom net, wherein the side net is formed by splicing a plurality of net pieces, which are formed by assembling a plurality of nettings, and the netting are woven from polyester threads. According to the semi-rigid composite polyester net cage, from the nettings to the net pieces then the side net, and then by means of the assembling structure and the assembling method of the side net and the bottom net, the overall strength of the net bag can be improved, the semi-rigid composite polyester net cage can resist windstorm and waves and avoid damage caused by tearing; meanwhile, an appliededge sealing manner can avoid direct contact and abrasion between the net bag and a net cage frame, thereby reducing wearing of the net bag and avoid loss brought about by release of the net bag.

The invention discloses a waterproof building structure. The waterproof building structure comprises a waterproof layer, an anti-damage layer, a fireproof layer, a soundproof layer and an elastic layer; the anti-damage layer is made of colored steel, the cross section of the anti-damage layer is in a U shape, and extending edges extending outwards are arranged on the two sides of the open end of the anti-damage layer; the interior of the anti-damage layer is of a hollow structure, and the fireproof layer, the soundproof layer and the elastic layer are sequentially arranged in the hollow structure of the anti-damage layer in a wrapped mode from outside to inside; the fireproof layer is made of rock wool board, the soundproof layer is made of a fiber board, and the elastic layer is made of asphalt; and fireproof cement gum layers are arranged on the side face, connected with two building wall bodies at a deformation seam, of the anti-damage layer, and the outer side of the anti-damage layer is wrapped with the waterproof layer. The waterproof building structure has the advantages of good waterproof performance and durability.

The invention discloses a fire nozzle with a floor type bracket. The fire nozzle structurally comprises a fire nozzle connecting rod, a control switch, a handle, a connecting shaft, supporting legs and leg sleeves, and the control switch is installed on the fire nozzle connecting rod; the fire nozzle connecting rod is connected with the supporting legs through the connecting shaft, and the handleis mechanically connected with the surface of the fire nozzle connecting rod; the leg sleeves are arranged at the bottoms of the supporting legs in a sleeving mode; and the supporting legs penetrate through one end of a fixing device, and is provided with the leg sleeves. According to the fire nozzle, the leg sleeves are additionally arranged at the bottoms of the supporting legs, and ground attaching devices and pressure cavities are arranged in the leg sleeves; when the fire nozzle is placed on the ground, pressure rods arranged on the ground attaching devices are compressed and moved upwards vertically so as to extrude pressure in the pressure cavities to circulate in the direction of ground attaching strips; under the action of pressure, the ground attaching strips are taken out from the leg sleeves, and tightly fixed to the ground through fixing suckers arranged on the ground attaching strips; the ground attaching strips are arranged in a four-foot mode, and the stability of the supporting legs placed on the ground is comprehensively improved; and the whole fire nozzle is stably fixed to a position.