327 results about "Single hole" patented technology

The invention discloses a single-hole pressure adjusting method, device and equipment for a water curtain test of an underground water-sealed cave depot and a storage medium, and relates to the technical field of geological engineering.The method comprises the steps that firstly, a rock mass acoustic impedance spectrum is collected, intrinsic mode decomposition is carried out to extract geologic feature components, and the rock mass acoustic impedance spectrum is obtained; processing the target pressure value, the current pressure value and the geologic feature component by using a pressure-opening coupling model based on acoustic feature extraction, time sequence dynamic analysis and physical constraint decoding to obtain a reference valve opening; then, a water curtain hole valve is adjusted according to the reference valve opening degree, and the pressure change acceleration is monitored in real time; calculating an opening compensation increment and a damping attenuation coefficient based on the pressure change acceleration, and further generating a target valve opening; and finally, the valve is adjusted to the target opening degree, so that the water curtain hole reaches the target pressure value. According to the invention, high-precision self-adaptive adjustment of the pressure of a single water curtain hole can be realized in the water curtain test of the underground water-sealed cave depot.

The invention discloses a single-hole cluster test method, device and equipment for cave depot water curtain holes and a storage medium, and relates to the technical field of underground engineering and water sealing.The method comprises the steps that a test instruction input by a user is received; when the test instruction is a single-hole water injection fallback test instruction, sending a single-hole water injection fallback test control signal to a programmable logic controller of the target water curtain hole through an OPC server so as to perform a single-hole water injection fallback test and collect first test data; when the test instruction is a water curtain effectiveness test instruction, water curtain effectiveness test control signals are sent to programmable logic controllers of all the water curtain holes through the OPC server, so that water curtain effectiveness tests are carried out on all the water curtain holes, and second test data are collected; and obtaining a test result according to the first test data and the second test data. According to the application, remote data acquisition and test control of the water curtain hole cluster can be realized without entering the cave depot by field personnel, and meanwhile, the test efficiency and the data accuracy are improved.

The utility model relates to the technical field of piezoelectric pumps, in particular to a novel fluid conveying device, which is characterized in that a vibration component is matched with a pump seat groove to define a pump cavity, the pump cavity is communicated with the outside through a pump inlet and a pump outlet which are arranged on a pump seat, and a first one-way valve and a second one-way valve are respectively arranged at the pump inlet and the pump outlet. The circulation holes in the first one-way valve and the second one-way valve are of a porous structure, and the pumping capacity of the fluid conveying device can be improved by increasing the total length of the edges of the circulation holes compared with a single-hole design with the same area. The fluid conveying device adopts a single-pump-cavity design, so that the overall size of the pump body can be obviously reduced, the pump inlet and the pump outlet are formed in the pump base and are provided with the first one-way valve and the second one-way valve respectively, and effective pumping-in and pumping-out of fluid in the same pump cavity are achieved; the fluid path is simplified, meanwhile, the turning process of the fluid is reduced, and therefore energy loss in the fluid pumping process is reduced.

The invention discloses a surface mine blast hole explosive cartridge inserting device, which belongs to the technical field of blasting engineering construction equipment and comprises a traveling mechanism, a control mechanism and an explosive cartridge inserting mechanism. The cartridge inserting mechanism adopts a vertically arranged inserting pipe, can accommodate all cartridges required by single-hole blasting at one time, and is temporarily supported by an elastic check ring at the front end; after the pushing-in assembly drives the whole inserting pipe to be inserted downwards to the bottom of a hole, the abutting-in assembly fixes the explosive cartridge at the uppermost end, then the inserting pipe moves upwards, and the explosive cartridges are sequentially pushed out and filled in the hole. By means of the device, overall lowering and sequential filling of the cartridges are achieved, the technical problems that traditional manual single-cartridge filling is low in efficiency, the cartridges are prone to being damaged, and the arrangement sequence in holes is prone to being disordered are solved, and the charging efficiency, safety and reliability are remarkably improved.

The invention relates to a single-hole deep and shallow layered grouting device and method.The single-hole deep and shallow layered grouting device comprises a grouting pipe, an annular bag, a high-pressure hose, a grout non-return structure and bag fixing structures, the bag fixing structures are arranged on the outer side of the grouting pipe side by side, and the annular bag wraps the outer side of the grouting pipe; the side end of the annular bag is fixed to the grouting pipe through the two bag fixing structures, the grout non-return structure is connected to the side end of the high-pressure hose, and the other side end of the high-pressure hose penetrates through the bag fixing structures to communicate with the annular bag. The method preferably adopts a single-hole segmented grouting process to seal and fill the surrounding rock cracks of the roadway, indirectly increases the filling rate of the cracks, improves the overall stability of the roadway to the greatest extent, prolongs the service life of the roadway service, and is suitable for popularization and use.

The invention discloses a prospecting drilling method for a steeply inclined ore deposit, which comprises the following steps of: firstly, carrying out comprehensive geological survey, acquiring and analyzing geological structure, rock characteristics and ore body distribution, designing a drilling path, downwards drilling on the ground according to a design scheme to form a main drill hole, then forming branch holes at different positions of the main drill hole, and finally, carrying out drilling on the main drill hole. And after exploration of each branch hole is completed, hole sealing operation is carried out. The comb-shaped exploration branch hole structure can obtain geological information of the ore body from multiple angles and positions, compared with traditional single-hole exploration, the shape, thickness change, grade distribution and the like of the ore body can be known in detail, exploration blind areas are effectively reduced, exploration precision is improved, exploration of multiple positions can be completed in the one-time drilling process through the one-hole multi-branch design, and the exploration efficiency is improved. The exploration efficiency is greatly improved, and the exploration time and cost are reduced.

The invention discloses a computer hard disk bracket machining device and method, and particularly relates to the technical field of computer hard disk bracket machining, the computer hard disk bracket machining device comprises a rack, a three-axis module is arranged in the rack, a mounting seat is arranged on the three-axis module, a clamping assembly is arranged on the mounting seat, and a drill bit assembly is arranged on the clamping assembly; the drill bit assembly comprises a drill bit base, a grinding sleeve, a drilling drill bit sleeve, a locking cover and a center shaft. The center shaft is installed in the middle of the top end of the drill bit seat, a drilling drill bit sleeve is inserted into the center shaft, and the ruler diameter of the drilling drill bit sleeve is gradually increased from bottom to top to form a multi-stage drilling structure. Polishing sleeves are arranged between the drill bit seats and the drilling drill bit sleeves and between the drill bit seats and the drilling drill bit sleeves, the polishing sleeves are inserted into the center shaft, the ruler diameters of the polishing sleeves are gradually increased from bottom to top, the polishing sleeves are matched with the corresponding drill bit seats / drilling drill bit sleeves in size, and a multi-stage polishing structure is formed. By means of the drill bit assembly integrating the multi-stage drilling drill bit sleeve and the grinding sleeve matched with the multi-stage drilling drill bit sleeve in size, the single-hole machining and grinding efficiency is greatly improved.

The invention discloses a die-casting die for automotive upholstery, and relates to the technical field of automotive upholstery casting. A die-casting die for automotive upholstery comprises a left die and a right die, a guide sleeve is mounted on the surface of the periphery of the top of the left die in an embedded mode, a pouring sleeve is arranged on one side face of the right die, a guide column corresponding to the guide sleeve is mounted on the other side face of the right die, and the die-casting die further comprises an air collection cavity formed in the outer portion of the guide sleeve and formed in the left die; the two groups of exhaust holes are annularly distributed in the side wall of the guide sleeve; the extrusion part and the two groups of exhaust holes are arranged in the guide sleeve, the guide column is inserted into the guide sleeve at the initial stage of die assembly, one end of the guide column is in contact with the extrusion part, and a step-by-step exhaust mode of initial single-hole exhaust and multi-hole cooperative exhaust after stroke increase is adopted, so that on one hand, reverse injection of external air is avoided; on the other hand, the exhaust rate is self-adaptively adjusted, and the risk of scorching of the inner wall of the guide sleeve is eliminated.

1. Name of the product in this design: Induction cooker core housing (single hole). 2. Purpose of this design product: used to cover the induction cooker core. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

1. The name of the design product: filter core (different single hole ladder B). 2. The use of the design product: the design product is used in a device for filtering water quality; or used for placing in a fish tank to filter water quality, cultivate bacteria; or used for decoration inside the fish tank. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The application discloses a single-hole laparoscopic cholecystectomy method and relates to the technical field of laparoscopy application, S1: a patient is given general anesthesia by air insertion, a belly navel turning-over technique is used to establish an operation hole at the navel, and a single-port multi-channel puncture device is arranged; S2: a 30-degree straight laparoscope lens, a curved blood vessel clamp, a non-injury grabbing clamp, an ultrasonic knife, an electric coagulation hook and other conventional surgical instruments used in multi-hole laparoscopic cholecystectomy are used, a Cross Hand method is adopted to enter the surgical instrument, the bottom of a gallbladder is lifted by the non-injury grabbing clamp, and a gallbladder triangle is exposed. If the gallbladder triangle is shielded by liver Ⅲ or Ⅳb in this step, the visual field cannot be completely exposed, and a liver traction device needs to be used to assist in exposing the visual field of the gallbladder triangle. The application always keeps the same traction force on the liver, avoids the problem that the traction force of the liver is insufficient to cause unclear visual field with the cutting of the gallbladder being deepened, better exposes the surgical visual field of the gallbladder triangle, reduces the operation time and improves the operation safety.

The utility model relates to the technical field of electromagnetic valves, in particular to a two-position three-way electromagnetic valve. In the prior art, small holes need to be machined in the end socket, the machining difficulty is high, the machining efficiency is low, and the surface smoothness is difficult to control. According to the two-position three-way electromagnetic valve, a movable core iron is further arranged in a sleeve, a first valve port and a second valve port are formed in a double-hole pole, a fixed sealing block is arranged on the core iron, the first valve port and the second valve port in the double-hole pole are sealed by the sealing block, and the sealing block is communicated with an inlet connecting pipe; a small valve seat is mounted on the single-hole pole, a single-pole hole is formed in the small valve seat, and the single-pole hole is communicated with a first outlet connecting pipe through a second transition hole and a first transition hole; the coil C is powered off, the core iron is separated from the single-hole pole, the sealing block closes the first valve port, and the inlet connecting pipe is communicated with the first outlet pipe; the coil C is electrified, the core iron is attracted with the single-hole pole, and the inlet connecting pipe is communicated with the second outlet connecting pipe. According to the utility model, the structure is reasonable, the flow maximization and the minimum pressure difference in the valve cavity can be realized, the processing difficulty of the product is reduced, and the core iron acts reliably.

The application discloses a single-hole rotational flow urea nozzle with geometrically induced vortex line cavitation, which comprises a ball valve, a valve seat, a rotational flow sheet, a flow converging sheet, an outer shell and a hole plate, the valve seat is fixedly connected with the inner wall of the outer shell, an annular protrusion is arranged in the valve seat, a through hole is arranged in the middle of the annular protrusion and is communicated with both ends of the annular protrusion, a sealing ball is arranged at one end of the annular protrusion, and the sealing ball is fixed at one end of the ball valve; the ball valve is movably connected with the inner wall of the outer shell, and a gap for fluid flow is arranged between the ball valve and the outer shell; the other end of the annular protrusion is sequentially provided with the rotational flow sheet, the flow converging sheet and the hole plate, the rotational flow sheet is abutted against the annular protrusion, and a plurality of rotational flow channels which are inclined relative to the axis of the rotational flow sheet are arranged on the rotational flow sheet; and the flow converging sheet is provided with a flow converging channel. The rotational flow sheet provided with the rotational flow channels cooperates with the flow converging sheet, so that the spray cone angle is smaller and the spray is uniformly distributed in the circumferential direction under the working condition of determining the flow of the nozzle.

The utility model discloses a replaceable probe structure, including shielding casing and insulating sleeve, shielding casing and insulating sleeve whole compression integrated, insulating sleeve is located in shielding casing is inclined, and probe is detachably installed in insulating sleeve through limiting device. Probe and limiting device cooperation detachably install in insulating sleeve, can according to test demand, quickly replace the damaged or different specification's probe, need not to make probe card again or carry out the dismounting positioning again, reduce maintenance cost and improve use flexibility, and simultaneously insulating sleeve can adopt the form of single -hole or double -hole, can be adapted to single -hole single -probe test or double -hole double -probe test.

1. Name of the designed product: faucet (eternal single hole). 2. Use of the designed product: the designed product is used for the faucet for water inlet and outlet. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The utility model relates to the field of RH refining furnace dip pipes, and discloses an RH refining furnace single-hole dip pipe structure which comprises a cleaning component and an RH refining furnace, and the cleaning component is movably installed on the outer surface of the bottom of the RH refining furnace; a dip pipe is fixedly installed in the center of the bottom of the RH refining furnace, wedge-shaped clamping plates are symmetrically arranged on the outer surface of the dip pipe, and a conical supporting ring is arranged on the outer surface of the edge of the bottom of the dip pipe. The service life of the dip pipe is prolonged, and normal use of the dip pipe is guaranteed.

The application discloses a single-hole cluster test method, device and equipment for a water curtain hole of a cave depot and a storage medium, relates to the technical field of underground engineering and water sealing, and comprises the following steps: receiving a test instruction input by a user; when the test instruction is a single-hole water injection and backflow test instruction, sending a single-hole water injection and backflow test control signal to a programmable logic controller of a target water curtain hole through an OPC server, so as to perform single-hole water injection and backflow test and collect first test data; when the test instruction is a water curtain effectiveness test instruction, sending a water curtain effectiveness test control signal to programmable logic controllers of all water curtain holes through the OPC server, so as to perform water curtain effectiveness test on all water curtain holes and collect second test data; and obtaining a test result according to the first test data and the second test data. According to the application, remote data collection and test control of water curtain hole clusters can be realized without the need of personnel entering the cave depot, and the test efficiency and data accuracy are improved.

The utility model relates to the technical field of faucet valve cores, in particular to a single-handle single-hole drawing basin faucet water-saving valve core, which comprises a shell, a first plugging plate, a second plugging plate, an adjusting plate and a water outlet mechanism, and the water outlet mechanism comprises a water outlet, two water inlets, a first water passing hole, a second water passing hole, an adjusting assembly and a positioning assembly. Through the first water passing hole and the second water passing hole which are different in width, when the first water passing hole is in butt joint with the water inlet, the water outlet amount of the water outlet is large, when the second water passing hole is in butt joint with the water inlet, the water outlet amount of the water outlet is small, and therefore the water outlet amount of the water outlet can be adjusted by adjusting the positions of the first water passing hole and the second water passing hole; the situation that water resources are wasted due to the fact that the water yield is large is avoided, the water saving effect can be achieved, and the different water yield requirements can be met.

1. Name of the designed product: faucet body (Jufu single hole). 2. Use of the designed product: for faucet body. 3. Design points of the designed product: in shape. 4. Picture or photo that best indicates the design points: perspective view.

The utility model discloses a square hole cushion block type silicon carbide stand column supporting frame which comprises a supporting stand column set, the supporting stand column set comprises a supporting stand column, a plurality of cross beam connecting single holes are formed in the supporting stand column, supporting cushion blocks are arranged in the cross beam connecting single holes, contact parts are formed at the tops of the supporting cushion blocks, and cross beams are connected to the contact parts; the connecting stand column set comprises connecting stand columns, a plurality of cross beam connecting double holes are formed in the connecting stand columns, and the supporting cushion blocks are installed in the cross beam connecting double holes; the supporting cushion blocks are used as connecting pieces between the cross beam connecting single holes or the cross beam connecting double holes and the bearing plate, so that corners on the stand columns can be prevented from being abraded when the cross beams are installed and pulled on the supporting stand columns or the connecting stand columns, and the corners only need to bear abrasion of bearing materials; and the service lives of the cross beam connecting single hole and the cross beam connecting double holes are prolonged to a certain extent.

The invention discloses a tunnel excavation face blast hole sealing automatic monitoring device which comprises a rotary compaction head, one end of the rotary compaction head is fixedly connected with a hole sealing rod, and the hole sealing rod is provided with a monitoring unit used for collecting radial pressure data and drill rod vibration errors. According to the tunnel excavation face blast hole sealing automatic monitoring device, the rotating compaction head is connected with the universal joint and the linear propelling module to serve as an executing mechanism of the device, the rotating compaction head is connected with the linear propelling module, and the monitoring unit and the hole sealing rod are connected through the linear propelling module. Radial pressure distribution data are collected in real time, vibration errors of the drill rod are compensated, hole sealing quality and sensing precision are effectively improved, whole-process automation of the hole sealing process is achieved, single-hole operation time is shortened, radial and axial position locking of the monitoring unit is achieved through the deflection angle locking mechanism, and operation efficiency is improved. And deviation of the drill rod due to vibration caused by single threaded connection is avoided, and the acquisition precision of the monitoring unit is guaranteed.

The single-hole multi-channel sheathing canal system comprises an incision sleeve and a first flexible sealing cover, the incision sleeve is communicated with the first flexible sealing cover in a sealed mode, and meanwhile a plurality of connecting holes are formed in the other end of the first flexible sealing cover; each connecting hole is provided with a flexible pipe sealing assembly, and each flexible pipe sealing assembly is connected with the first flexible sealing cover through a rigid sealing assembly. According to the sheath tube system, the connecting areas of the flexible sealing tube assemblies and the first flexible sealing cover have high rigidity through the rigid sealing assemblies, so that the overall flexibility of the sheath tube system is guaranteed, and meanwhile the non-deformable local rigidity is guaranteed in part of areas; therefore, the air tightness of the sheathing canal system is ensured, operation at any limit angle in the hemispherical space is realized, the flexibility of instrument operation is improved, and meanwhile, the realization of the limit operation angle can also ensure that all instruments do not interfere with one another when a plurality of instruments are operated.

1. The name of this design product: Handle (square single hole). 2. Application of this design product: used as furniture handles. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The utility model relates to the technical field of single-hole multi-channel puncture outfits and discloses a supporting type single-hole multi-channel puncture outfit which comprises an incision protection sleeve, a mechanical channel is fixedly installed at the upper end of the incision protection sleeve, an inner clamping ring is fixedly installed at the lower end of the incision protection sleeve, and a balloon ring is arranged on the outer surface of the incision protection sleeve in a sleeved mode. The supporting mechanism is arranged on the incision protection sleeve, the supporting mechanism comprises two supporting plates and two clamping plates, the two supporting plates are arranged on the outer surface of the incision protection sleeve in a sleeving mode, and through the arrangement of the two supporting plates and the two base plates, when a certain distance is left at the upper end of the single-hole multi-channel puncture outfit, the single-hole multi-channel puncture outfit can be fixed; according to the single-hole multi-channel puncture outfit, the two supporting plates and the two base plates can support the remaining section, the single-hole multi-channel puncture outfit does not need to be detached and replaced, the single-hole multi-channel puncture outfit can be continuously used, the shaking amplitude generated when a subsequent surgical instrument makes contact with the single-hole multi-channel puncture outfit is reduced, and the use efficiency of the single-hole multi-channel puncture outfit is improved.

The utility model discloses a fixing tool facilitating quick drilling of oil holes in two ends of an engine valve rocker arm, which comprises a bottom plate, opening U-shaped grooves are arranged on two opposite sides of the bottom plate, a first clamping plate and a second clamping plate are arranged on the upper end face of the bottom plate, and a rocker arm placing area is formed between the first clamping plate and the second clamping plate. Pressing plates are arranged on the side walls, forming the rocker arm placing areas, of the first clamping plate and the second clamping plate correspondingly, a first positioning plate and a second positioning plate are arranged at the side wall ends, away from the pressing plates, of the first clamping plate and the second clamping plate correspondingly, a first air cylinder is installed on the first positioning plate, and a second air cylinder is installed on the second positioning plate; a piston rod of the first air cylinder is connected with the first clamping plate, and a piston rod of the second air cylinder is connected with the second clamping plate. Drilling of oil holes in the two ends of the rocker arm can be completed at a time, repeated disassembly and assembly are not needed, meanwhile, air cylinder jacking is adopted, operation is easy and labor is saved, the efficiency is improved by 2-4 times compared with a single-hole machining mode, and the production period is greatly shortened.

The utility model relates to a device for assisting in improving negative pressure to quickly suck and remove broken nucleus of cataract, which comprises a suction head, a filter tube body, a filter screen and a flow limiting element, the inlet end of the front end of the filter tube body is connected with the suction head, and the outlet end of the rear end of the filter tube body is connected with a negative pressure suction device. A flow limiting element is further arranged between the outlet end of the rear end of the filter pipe body and the negative pressure suction device, and a filter screen is installed in the filter pipe body. The aperture of a single hole of the filter screen is smaller than the inner diameter of the flow-limiting element, and the inner diameter of the suction head is larger than that of the flow-limiting element. The device has the advantages that the flow limiting element is designed and mounted on the rear side of the suction head, and the inner diameter of the suction head is larger than that of the flow limiting element, so that the problems that the anterior chamber in the eyeball is unstable, shallower, disappears and the like under the condition of overhigh negative pressure can be prevented, and the operation is safe and reliable; meanwhile, the filter screen is designed on the filter pipe body, and the pore diameter of the filter screen is smaller than the inner diameter of the flow limiting element, so that broken nuclei are filtered and collected, and the problem of low negative pressure suction efficiency caused by blockage of the flow limiting element by overlarge broken nuclei is prevented.

The utility model relates to the technical field of channel body assembling, in particular to a multi-channel single-hole channel assembling machine which comprises a machine frame, a disc assembly is installed on the surface of the machine frame, and an assembling mechanism is arranged on the surface of the machine frame and located on the outer side of the disc assembly. A channel body feeding mechanism, a choke valve feeding mechanism, a sealing ring feeding mechanism and a channel upper cover feeding mechanism are sequentially arranged on the outer side of the machine frame in the circumferential direction, and a defective product discharging line is further arranged on the surface of the machine frame. According to the automatic feeding device, four parts including the channel body, the choke valve, the sealing ring and the channel upper cover can be sequentially and automatically fed, whether neglected loading exists or not can be visually judged through the choke valve and the sealing ring, ultrasonic welding is conducted after loading is completed, then silicone oil is sprayed for lubrication, and finally finished products are discharged; all actions of the device are automatically realized, no personnel is needed, the efficiency is improved, the precision is improved, and the production cost is reduced.

The application belongs to the field of aircraft design, and particularly relates to a stress intensity factor acquisition method, device, equipment and storage medium, which comprises the following steps: determining a crack initiation mode of a hole edge crack, calculating a stress intensity factor correction coefficient beta1 of a single hole edge crack by calling a finite element software and using a fitting function method; calculating a stress intensity factor correction coefficient beta2 of a double hole edge crack by calling the finite element software and using the fitting function method; obtaining a crack tip stress intensity factor correction coefficient beta3 under the influence of a side hole according to an analytical method; obtaining left and right crack tip stress intensity factor correction coefficients beta4 and beta5 under the influence of a side crack according to the analytical method; and calculating a stress intensity factor of the hole edge crack according to a combined multiplication formula stress intensity factor. The application is aimed at solving the stress intensity factor of a multi-hole and multi-crack structure of an aircraft, and different solving methods are respectively given for different boundary conditions.

The invention discloses a method for determining blasting parameters of a pre-splitting hole in pre-splitting blasting. The method comprises the steps that the blast hole diameter, the charge non-coupling coefficient, the charge density, the blast hole density coefficient and the blast hole length of the pre-splitting hole are determined; according to the blast hole diameter of the pre-splitting hole and the charge non-coupling coefficient, the charge diameter of the pre-splitting hole is obtained; according to the charging diameter and the charging density of the pre-split hole, the linear charging density of the pre-split hole is obtained; according to the linear charge density of the pre-splitting hole and the length of the blast hole, the single-hole charge amount of the pre-splitting hole is obtained; according to the single-hole explosive charge / linear charge density of the pre-split holes, the pitch of the pre-split holes is obtained based on the blast hole density coefficient and the pre-split blasting unit consumption; and the filling length and the charging structure of the pre-split holes are obtained according to the pitch of the pre-split holes. By means of the calculation method, the design threshold of presplitting hole parameters in presplitting blasting is lowered, and the blasting success rate of primary design (or one-time engineering) is remarkably increased.