30results about How to "Guaranteed to be stable" patented technology

The invention provides an automatic continuous drilling device, which belongs to the technical field of mechanical processing. It includes a feeding seat and a three-way valve. The push plate can be slid left and right and set in the feeding trough. The drill support can be slid up and down and set on the drill support. The drill support can be rotated and set at the lower end of the drill support. The drill is installed on the drill support. The lower side of the drilling machine pillar is provided with a rack, and the gear and the rack are meshed with each other. The positioning pressing plate can slide up and down and is set on the guiding seat of the positioning plate. The ejector rod of the three-way valve passes through the upper isolation ring and the lower isolation ring. It can be slid up and down in the valve body, the horizontal exhaust hole is connected to the vertical exhaust hole, the air pump is connected to the upper valve port, the lower valve port is connected to the air valve of the cylinder block, and the valve opening limit screw of the valve opening assembly is threaded on the On the inverted L-shaped limit bracket, a drilling guide sleeve is arranged on the drilling access plate. The invention realizes automatic loading and clamping of workpieces, rapidly realizes continuous drilling of workpieces, and has a high degree of automation.

The invention discloses a billiards placing device of an automatic billiards machine. The billiards placing device comprises a transverse positioning mechanism, a longitudinal positioning mechanism, a billiards collecting device, a positioning control device and a driving device. The transverse positioning mechanism and the longitudinal positioning mechanism are perpendicular. The positioning control device is connected with the transverse positioning mechanism and the longitudinal positioning mechanism and used for controlling the transverse positioning mechanism to perform linear movement in the X-axis direction and controlling the longitudinal positioning mechanism to perform linear movement in the Y-axis direction. The billiards collecting device is located below the transverse positioning mechanism and installed on the longitudinal positioning mechanism. The driving device is connected with the positioning control device. According to the billiards placing device, all billiards are driven by the one motor to be sequentially placed with corresponding billiards placement rules according to billiards kind information provided by a billiards detecting device of the automatic billiards machine.

The invention discloses a molybdenum alloy sheet cutting machine provided with an ultrasonic cleaning pool for cleaning a cutter. A cutting station platform and the ultrasonic cleaning pool are arranged at one end of the upper end face of a base table, and a supporting frame is arranged on the upper end face of the base table; a crossbeam arm is arranged on the supporting frame, a movable type cutting trolley is slidably connected to the bottom end of the crossbeam arm, and a boosting air cylinder is arranged at the bottom end of the movable type cutting trolley; a plurality of air cylinder rods are exported at the output end of the boosting air cylinder, and a cutting machine device is fixedly installed at the lower end of each air cylinder rod; and an open-type cleaning groove is formedin the upper end of the ultrasonic cleaning pool, and an ultrasonic oscillating cleaning mechanism is installed on the inner side wall of the open-type cleaning groove. In this way, according to the molybdenum alloy sheet cutting machine provided with the ultrasonic cleaning pool for cleaning the cutter, molybdenum alloy sheet cutting work can be stably and safely conducted through the movable type cutting trolley, and the ultrasonic cleaning pool can be supplied for conducting ultrasonic cleaning operation on a cutting serrated cutter disc of a retracted cutter after cutting operation is finished.

The invention provides a cloth cutting device and belongs to the technical field of clothes production. The cloth cutting device comprises a cutting mechanism, a discharging mechanism and a cloth pressing mechanism, an X-direction screw and an X-direction screw nut of the cutting mechanism are in threaded connection, a Y-direction screw nut and a Y-direction screw are in threaded connection, a cloth cutter is mounted at the lower end of a Z-direction support, a first pressing wheel component and a second pressing wheel component are mounted on two sides of the cloth cutter, a discharging discof the discharging mechanism is positioned below a discharging hole of a cutting supporting platform, a discharging air valve is connected with the discharging disc, and the cloth pressing mechanism comprises four cloth pressing components which are mounted at four cornerss of the cutting supporting platform respectively. The cloth cutting device can realize accurate cutting of cloth and automaticdischarging of clothes greige cloth after cutting and is reasonable and compact in structure and high in production efficiency.

The invention relates to a guide beam device of a bar milling machine, relating to a guide beam device, in particular to the guide beam device of a bar milling machine, aiming to solve the problems of the guide beam device of the existing bar milling machine such as frequent collision of a rolled piece against the guide beam during steel rolling, loosening of each part of the guide beam device and poor stability during rolling. The guide beam device of the bar milling machine comprises an upper crossbeam, a pressing component, two pull bars, two guide brackets, a lower crossbeam, a sliding rail, a clamping plate and a sliding screw component. The two ends of the upper crossbeam are respectively connected with the upper end of one pull bar, the two ends of the lower crossbeam are respectively connected with the lower end of the other pull bar, the guide brackets are respectively sleeved on one pull bar, the pressing component is arranged in the middle of the upper crossbeam, the lower crossbeam is arranged in a groove on the lower surface of the sliding rail, the clamping plate is arranged on the sliding rail, and the sliding screw component is arranged on the lower surface of the lower crossbeam and can drive the sliding rail for linear movement along the upper surface of the lower crossbeam. The guide beam device of the bar milling machine is used for guiding rolled pieces.

The invention discloses pit pump long-distance-suspended pump pipe swinging concreting construction technology for high-rise buildings, and relates to building construction technology. The technology comprises the following construction steps of: 1, installing a pump line passing through a floorboard; 2, installing a horizontal pump pipe, wherein the front end of the horizontal pump pipe is connected to the pump pipe passing through the floorboard while the rear end of the horizontal pump pipe is connected to a working face movable pump pipe, the horizontal pump pipe is supported by a shake-removing support device, and the pipe joint of the horizontal pump pipe is sleeved with a stiffening sleeve; 3, installing the working face movable pump pipe, wherein a 360-degree rotational movable joint I is connected between the working face movable pump pipe and the horizontal pump pipe, and the pipe joint of the working face movable pump pipe is also sleeved with a joint stiffening sleeve; 4, concreting, wherein concrete is poured to floorboard templates through the pump pipe passing through the floorboard, the horizontal pump pipe and the working face movable pump pipe. According to the technology provided by the invention, disturbance of impact force of the pump pipe to reinforcing bars, templates and poured concrete can be eliminated in a concrete pumping process, and large area of concrete can be poured at one time.

The invention is a kind of light mantle for contact window process, the mantle has a contact window pattern, and there has a border pattern on edge of the contact window pattern, the border pattern is a semi-exposure area. Because that the border of contact window pattern is semi-exposure pattern, the contact angle between the side wall of aperture of contact window which is patterned and the conducting layer under it can be reduced.

The invention discloses a textile cloth drying rack convenient to use. The textile cloth drying rack comprises a base plate, a first sleeve is fixedly connected to the top of the base plate, a slidingrod is arranged in an inner cavity of the first sleeve, the top of the first sleeve is provided with a fastener used in cooperation with the sliding rod, a pin hole is formed inside the sliding rod,a plug is arranged in the inner cavity of the pin hole, one end of the plug penetrates through one side of the first sleeve and extends out of the first sleeve, a supporting rod is fixedly connected to the top of the sliding rod, and the two ends of the supporting rod are sleeved with first sleeves. By cooperatively using the base plate, the first sleeve, the sliding rod, the fastener, the pin hole, the plug, the supporting rod, the second sleeves, an airing rod, a first threaded hole, a second threaded hole and a bolt, the height and using area of the drying rack can be regulated, it is better ensured that the airing work is conveniently performed, and great convenience is brought to usual airing work.

The invention discloses a preparation method of a nano TiO2 / ZrO2 composite catalyst. The method comprises a hydrothermal method and a coprecipitation method for executing steps of preparation of nanoZrO2 powder and preparation of the nano TiO2 / ZrO2 composite catalyst. According to the process, TiO2 and ZrO2 are taken as raw materials, the TiO2 / ZrO2 composite catalyst which has uniform particle sizes, good combination degree of two particles, large specific surface area, stable mesoporous structure, high-temperature resistance, high activity, supplementary advantages and excellent synergisticphotocatalytic performance is prepared, the method is simple, and the practical effect is better.

The invention discloses a taking-out device of long monocrystalline silicon rods. The taking-out device is used for a silicon single crystal furnace, and comprises an electric pushing rod, an electric pushing rod connection block, a jacking shaft, a furnace cover lifting shaft, a furnace cover lifting connection piece, an auxiliary chamber lifting shaft and an auxiliary chamber lifting connection piece which are sequentially arranged from bottom to top, wherein the jacking shaft penetrates through the furnace cover lifting shaft, two ends of the jacking shaft respectively extend out of the end parts of the furnace cover lifting shaft, the jacking shaft can move upwards and downwards in the furnace cover lifting shaft, the upper end of the jacking shaft is connected with the lower end of the auxiliary chamber lifting shaft, the lower end of the jacking shaft is connected with the electric pushing rod connection block, and a detachable stopping component is arranged on the jacking shaft between the bottom of the furnace cover lifting shaft and the electric pushing rod connection block. The taking-out device can take out the long monocrystalline silicon rods in a stable, safe, convenient and reliable mode, and simultaneously can be rapidly and conveniently switched to meet taking-out requirements of monocrystalline silicon rods with different lengths.

The invention discloses a formwork mounting and support reinforcing system for a collector well, an elevator shaft and the like. At first, rebars is fixed on a rebar skeleton according to the planar location size and depth of a well while the thickness of a rebar protection layer is controlled; a bottom formwork and a side formwork are erected on the protection layer rebars, and vent holes are formed in the longitudinal and transverse directions of the bottom formwork at an interval of 1.5m; after that, a horizontal square timber is laid on the bottom formwork, and a vertical square timber is erected beside the side formwork and serves as a back arris; an upright rod is matched with a longitudinal horizontal rod and a traverse horizontal rod and firmly fixes the bottom formwork and the side formwork; transverse horizontal rods on the uppermost layer protrude out of the formwork edges on the two sides by 300mm; finally, the formworks in heaps are flatwise placed on the transverse horizontal rods, and the number of the formworks is calculated. Therefore, the well position shift can be avoided while stable support can be guaranteed effectively, and the cost and unnecessary repair can be effectively reduced. The system is mainly suitable for mounting and support reinforcing of various deep well formworks, lower than a base plane, of collector wells and elevator shafts in a basement raft foundation.

The invention discloses an assembly for assisting tooth implantation in a posterior tooth area, and belongs to the technical field of medical articles. The assembly for assisting tooth implantation inthe posterior region comprises a fixing assembly, a position-limiting assembly and a sleeve assembly, wherein the fixing assembly comprises a first clamping block and a second clamping block which are arranged oppositely, the top of the first clamping block is connected with the top of the second clamping block through an arch-shaped connecting assembly, the top of the connecting assembly is provided with a sliding hole, the position-limiting assembly comprises a clamping assembly, and a sliding block and a supporting assembly which are respectively arranged on two sides of the top of the clamping assembly, the sliding block penetrates the sliding hole and is in sliding fit with the sliding hole, the sliding block is fixedly connected with the connecting assembly, and the sleeve assemblyis connected with the clamping assembly. In the assembly for assisting tooth implantation in the posterior region, a relative position relationship between the position-limiting component and the fixing assembly is adjusted by sliding, thereby a position of the sleeve assembly is adjusted, and then a drilling position on the gum is adjusted, so that the entire assembly can meet a distance betweenteeth of different patients, and can be used repeatedly.

The invention discloses a two-way selection type English auxiliary teaching device and method, and relates to the technical field of teaching auxiliary tools. The two-way selection type English auxiliary teaching device comprises a bottom plate and a supporting plate arranged on the bottom plate, the left side of the bottom of the supporting plate communicates with a placement frame, and the surface of the supporting plate is provided with a first placement opening matched with the placement frame. The invention relates to the technical field of teaching auxiliary tools. According to the two-way selection type English auxiliary teaching device and method, through the arrangement of the first writing board and the second writing board, a smooth table top is laid on the supporting board, a large learning space is provided, and through the arrangement of the air cylinder, the second writing board inclines by a certain angle and is used for supporting a tablet personal computer or a book;students can watch teaching materials while taking notes, good learning conditions are created, the probability of occurrence of cervical vertebra problems of students is effectively reduced, throughthe two-way type selection, the students can select comfortable angles for learning, and more excellent learning results can be obtained under the condition that the students feel happy.

The invention discloses an electrochemical sensor for measuring methanol concentration. According to the electrochemical sensor, a reference electrode is introduced, so that the accuracy of sensor test can be improved; a water storage tank is introduced, so that a proton exchange membrane can be moisturized, and the stability of membrane electrode test can be ensured; the diameter of a methanol flow channel is limited, so that the influence of methanol and carbon dioxide bubbles on the performance of a membrane electrode is eliminated, and the stability of the oxidation current type sensor is improved; meanwhile, the function relation among the temperature, the current and the methanol concentration in the model is obtained and can also be used for temperature effect correction of other electrochemical sensors, and the problem that an existing function relation is inaccurate is solved. Application tests show that the sensor can be used for accurately monitoring methanol concentration under the DMFCs application level.

The invention discloses an assisted squid body skewering device and relates to the field of aquatic product processing equipment. The assisted squid body skewering device is characterized by comprising a bottom platform, wherein the bottom platform is provided with a fixing device for fixing a squid body; the fixing device comprises a framework which is fixedly arranged at a through hole of the bottom platform; two clamping mechanisms, which correspond to each other up and down, are arranged in the framework; the lower clamping mechanism is arranged at the bottom of the framework and is fixedly connected with the bottom platform; the upper clamping mechanism is correspondingly arranged above the lower clamping mechanism; the upper clamping mechanism is in sliding connection with a verticalrod of the framework; a handle is fixedly arranged at one side of the upper clamping mechanism. The assisted squid body skewering device disclosed by the invention has the beneficial effects that thesquid body needing to be skewered is tightly clamped through the upper and lower clamping mechanisms and then is deformed, so that a bamboo skewer is conveniently inserted into the squid body; afterthe squid body is inserted, the squid body can be automatically stretched due to resetting of a deformation mechanism, so that the bamboo skewer is firm.

The invention discloses a spot welding repairing device and method for an iron casting. The spot welding repairing device comprises a detection table, wherein sliding rails are installed at the two ends of the table surface of the detection table, pulleys are movably installed on the sliding rails, and a casting clamping assembly and a welding spot repairing mechanism are installed at the upper end of the table surface of the detection table; the casting clamping assembly comprises a bottom plate, sliding ways, sliding plates, clamping blocks and fastening nuts; and the welding spot repairingmechanism comprises a plate frame, an air cylinder, a lifting plate, a welding gun mounting plate, welding guns and a power line. According to the spot welding repairing device and method for the ironcasting, the casting is clamped and fixed through the arranged casting clamping assembly, the stability of the casting in the spot welding repairing process is guaranteed, spot welding repairing operation is carried out on cracks and crack holes in the casting through the arranged welding spot repairing mechanism, automation of casting repairing is achieved, participation of manpower is reduced,and the quality of casting repairing is improved.

The invention discloses a demountable desk with a shock absorption function. The desk comprises a combined desk leg, a shock absorption desk top, a desk hopper bottom plate, a check block and a shockabsorption leg seat, wherein the check block is correspondingly mounted on the front side of the combined desk leg; the shock absorption leg seat is correspondingly mounted at the bottom of the combined desk leg; the shock absorption desk top is mounted at the top of the combined desk leg; the rear end of the desk hopper bottom plate is articulated with the rear side of the combined desk leg; thefront end of the desk hopper bottom plate is arranged on the check block. The demountable desk has the advantages that the shock absorption desk top is mounted on the combined desk leg through a halfsurrounded sleeve, and can be singly carried or stored after being dismounted, desk legs on the rear side and the front sides are enabled to be closed to each other, a side rear plate and a side frontplate rotate around a hinge pin during closing and adhered to each other, finally the desk legs on the front side and the rear side get together, storage space is saved, the space utilization is high, and meanwhile the demountable desk has a shock absorption risk-protection function, and is applicable to promotion in primary and middle schools in regions where earthquake takes place frequently.

The invention discloses a lithium ion battery low-temperature heating device and a using method, and relates to the technical field of lithium ion battery low-temperature heating. The device comprisesa plurality of first limiting plates and second limiting plates which are spliced with one another, a plurality of first air pipes and a plurality of second air pipes are installed between the upperlimiting plate and the lower limiting plate through connecting circular pipes and connecting pipes respectively. The multiple first limiting plates and the multiple second limiting plates which are spliced with one another are installed on the bottom plate and the partition plate, the limiting strips on the first limiting plates and the limiting strips on the second limiting plates are used for limiting unit batteries of the battery pack correspondingly, shifting of the battery pack is effectively prevented, and the stability of the battery pack is guaranteed; the multiple first air pipes andthe multiple second air pipes are installed between the upper limiting plate and the lower limiting plate through the connecting circular pipes and the connecting pipes correspondingly, the first airpipes and the second air pipes are all special-shaped air pipes, hot air is guided into gaps between unit batteries of the battery pack, the uniformity of the heating effect is guaranteed, and the temperature gradient generated in the batteries is reduced.

The invention discloses a roller way type lift. The lift comprises a lifting base, wherein a lifting supporting table is arranged on the lifting base, the lifting supporting table is connected with alifting rod of the lifting base, a positioning table is arranged on the lifting supporting table in parallel, the positioning table and the lifting supporting table are movably connected through a positioning rod, a guardrail box is arranged on the surface of the positioning table, a rolling wheel table is arranged at the bottom of the guardrail box, the rolling wheel table is movably arranged onthe surface of the positioning table, and the positioning table and the lifting supporting table are connected through a stabilizing device. When in use, the roller way type lift can be directly connected with a stopped floor through the rolling wheel table, so that transportation of goods is facilitated, back-and-forth manual transportation is not needed, and the back-and-forth movement of a plurality of people on a lifting table can cause instability of the lifting table, and influence the safety operation of the lift.

The invention provides a construction method and construction structure for an earth-rock foundation in complex karst geology. The method is characterized in that when a rugged bearing layer and a mud groove are encountered in foundation construction, the mud groove is cleaned at first; for a deep mud groove area with the depth greater than 1.5 B, a shallow mud groove area with the depth greater than or equal to 1.5 B and the depth smaller than or equal to 1.5 B is cleaned for completely cleaning mud; after the replacement and filling conditions are met, a graded gravel cushion layer is constructed, and B refers to the long edge of the foundation; the extension length of the edge expanding area of the graded gravel cushion layer from the outer edge of the foundation is greater than or equal to 300 mmm, so that the stress requirement of the foundation is ensured; and after the construction of the graded gravel cushion layer is completed, concrete cushion layers are constructed above the graded gravel cushion layer and right under the foundation, and the width of the concrete cushion layers is at least 150 mm larger than the outer edge of the foundation. The technical problem of the foundation construction in the karst geology is solved, and the defects in the prior art are overcome. The construction method and construction structure belong to the field of building foundation construction.

The invention discloses a transmission deviation prevention and replacement structure for a packing belt feeding roller, and relates to the field of strip conduction structures. A first mounting square rod is arranged at the end side of a first mounting shaft rod; a first sleeving convex block is arranged at the end side of the first mounting square rod; a second rotating rod is mounted in the axis direction of a strip feeding roller body; second mounting square pipes are fixedly arranged at the two end sides of the second rotating rod; second square pipe grooves matched with the first sleeving convex block are formed in the end sides of the second mounting square pipes; a fourth arc-shaped plate is fixedly connected below a third inner position fixing plate; a plurality of rollers are embedded in one side of the fourth arc-shaped plate; a fourth blocking arc plate is arranged at one side of the fourth arc-shaped plate; and fourth roller guide grooves matched with the multiple rollers on a fourth edge position ring plate are formed in a fourth edge position ring plate. According to the transmission deviation prevention and replacement structure for the packing belt feeding roller, a deviated strip is limited and blocked, and meanwhile, after long-term wear, a roller body can be replaced without dismounting the first mounting shaft rod which is originally connected with the roller body.

The invention provides a miner light safe device. The miner light safe device comprises a helmet, a helmet rope, an installing frame, an LED light and a power assembly, the helmet is of a hemisphere structure and is provided with a wearing face of a regular plane structure, the wearing face of the helmet is provided with a containing groove, and a first installing block and a second installing block are arranged on the helmet and located on the two opposite sides of the containing groove respectively; one end of the helmet rope is fixedly connected with the first installing block, and the other end of the helmet rope is detachably connected with the second installing block; the installing frame is connected with the helmet, and the installing frame, the first installing block and the second installing block are distributed in the shape like the Chinese character 'pin'; the LED light and the installing frame are detachably connected, and the light emitting end of the LED light and the helmet are arranged in a back-to-back form; the power assembly is detachably arranged on the installing frame, electrically connected with the LED light and used for supplying power to the LED light. The miner light safe device is beneficial to guarantee of stable mining operation, and further improves the efficiency of mining operation.