78 results about "Wedge cushion" patented technology

The invention belongs to the field of airplane structure strength tests, and relates to an adjustable composite material single rib plate bending loading pressure head. The loading pressure head comprises a pressure head support (2), a wedge-shaped cushion block (3), a skin pressure roller (5) and a stringer pressure roller (7), the pressure head support (2) is provided with a stand column (21) and a track plate (22), the side edge, above the track plate (22), of the stand column (21) is provided with a notch for installing the wedge-shaped cushion block (3), the skin pressure roller (5) and the stringer pressure roller (7) are arranged in a containing groove of the track plate, and the skin pressure roller (5) penetrates through the track plate and then makes contact with the wedge-shaped cushion block (3). According to the application, the stringer flanges on the two sides of the web and the skin are separately pressed, so that accurate loading of bending pressure on the single rib plate with the stringer flanges and the skin inconsistent in thickness is realized.

A contoured therapeutic cushion assembly includes a wedge cushion; a base panel; and a head rest having a lower surface joined to the base panel. The wedge cushion has a top surface and a bottom surface. The top surface is disposed at an angle relative to the bottom surface so that the top surface and the bottom surface join at a first end. An elongated concave surface joins the top surface and the bottom surface opposite the first end. A base panel extends from a lower edge of the elongated concave surface. The head rest has an elongated surface within which a longitudinally extending recess is formed. The elongated concave surface, the base panel, and the longitudinally extending recess collectively define a channel to receive at least a portion of a user's arm.

The utility model discloses a steel beam bolt with an anti-loosening function, which comprises a hexagon nut, the top of the hexagon nut is fixedly connected with a fixed wedge-shaped ring, the top of the fixed wedge-shaped ring is fixedly connected with a screw rod, a channel is arranged in the screw rod, a glue blasting bead is arranged in the channel, and the glue blasting bead is fixedly connected with the screw rod. A flow dividing hole is formed in one end of the screw rod, a wedge-shaped gasket is arranged outside the screw rod, the outer wall of the screw rod is in threaded connection with a fastening nut, and the outer wall of the screw rod is in threaded connection with an anti-disengaging nut. According to the steel beam bolt with the anti-loosening function, the channel is filled with the paraffin filler, the chemical characteristic that paraffin melts after being heated is adopted, the glue blasting bead enters the connecting gap of the screw along with melting of the paraffin, the coating of the glue blasting bead is heated to be dissolved, and therefore threads and the connecting gap are filled, and the anti-loosening function is achieved. And in combination with a paraffin solution, a tight filling layer is formed between the threads, so that strong adhesive force and vibration resistance are provided.

A wedge cushioning system for supporting a lower limb of a patient includes a wedge assembly. The wedge assembly includes a wedge pad configured to cushion the lower limb of the patient, a first wedge wing pivotably coupled to a first side of the wedge pad and selectively pivotable between a first lowered position and a first raised position, a second wedge wing pivotably coupled to a second side of the wedge pad and selectively pivotably between a second lowered position and a second raised position independent of the first wedge wing, and a strap configured to be releasably coupled between the first wedge wing and the second wedge wing. The second side of the wedge pad is opposite the first side of the wedge pad.

The utility model provides a curtain wall unit body hanging weight assembly which comprises a first hanging weight structure arranged on one side of an inclined curtain wall unit body and a second hanging weight structure arranged on the other side of the inclined curtain wall unit body on the second side, and the first hanging weight structure and the second hanging weight structure are oppositely arranged. The first hanging weight structure and the second hanging weight structure each comprise a wedge-shaped cushion block with a preset inclination angle, and the wedge-shaped cushion blocks are fixed to the side faces of the curtain wall unit bodies and matched with the side faces of the inclined curtain wall unit bodies. The fixing piece is fixedly connected with the wedge-shaped cushion block, and the wedge-shaped cushion block fixes the inclined curtain wall unit body on a main body structure through the fixing piece. According to the utility model, the curtain wall unit bodies with different inclination angles can be mounted, the curtain wall unit bodies are ensured to be perpendicular to a main body structure, and the mounting quality and attractiveness of the curtain wall are improved.

The invention relates to the technical field of shield construction, and particularly discloses a water-rich stratum tunnel bottom anti-seepage grouting reinforcement device and a construction method thereof.The wedge-shaped backing ring is arranged between adjacent shield segments, a grouting hole is drilled from the wedge-shaped backing ring to the tunnel wall, a grouting pipe is arranged in the grouting hole, and the grouting pipe comprises a base pipe; two half-sheet tubes are arranged at the lower end of the base tube, the two half-sheet tubes form a round tube when closed together, the tail ends of the two half-sheet tubes are hinged together through a hinge, a central tube is arranged in the base tube, an extrusion ring is arranged at one end of the central tube, and the extrusion ring is pushed by the central tube to move towards the position between the two half-sheet tubes. And the two half-sheet tubes can be separated towards the two sides by taking the hinge as the center through the extrusion rings. The shield segment anti-seepage construction method has the beneficial effects that the shield segment can be internally and externally reinforced while anti-seepage construction is conducted, the strength of soil around the shield segment is enhanced, and the shield segment is not prone to displacement due to external acting force.

The application provides a method for installing a whole electric lifting device steel plate silo, according to a foundation ring plate embedded in a bottom of the silo, an inner edge line of a wall plate is determined; according to the inner edge line of the wall plate, a plurality of triangular steel plates are fixed on the foundation ring plate to form a limiting ring, and the limiting ring is used for bearing a section wall plate; wherein the bottom of the wall plate is connected with the triangular steel plate through a wedge-shaped spacer; a top truss of the silo is installed, a top plate of the silo is fixedly connected with a first section wall plate, and the first section wall plate and the top plate fixed together are simultaneously lifted by an electric chain electric hoist; after being lifted to a first set height, a second section wall plate is fixedly connected with the first section wall plate, after the fixing is completed, the first section wall plate, the second section wall plate and the top plate are lifted to a second set height again to install a next section wall plate, until all the section wall plates are fixedly installed; after all the section wall plates are fixedly installed, the section wall plates and the top plate are simultaneously lowered to the silo, and a wedge-shaped spacer of a last section wall plate is fixedly connected with a triangular steel plate; the application ensures that the wall plate matches with a middle line of an upper portion of the foundation ring plate, so that an outer shape size of the silo and an allowable deviation are located in a set range, and the construction precision is ensured.

The invention discloses a roll bending forming manufacturing method for a thin-wall titanium alloy cylindrical part. The roll bending forming manufacturing method comprises the steps of material preparation, roll bending forming, shaping and pretreatment before welding, longitudinal seam welding and heat treatment shaping. The roll bending machine is improved in design, a plurality of wedge-shaped cushion blocks are designed on the lower side of the lower roll, the contact surface between the upper wedge-shaped block and the lower wedge-shaped block is a 5-degree conical surface, and the height change of the upper plane and the lower plane of the wedge-shaped blocks, fine adjustment (jacking or loosening) of the height of the lower roll and compensation of the center-to-center distance value of the upper roll and the lower roll are achieved by rubbing the relative positions of the pair of wedge-shaped cushion blocks front and back. Consistency of forming radiuses of a port area and a central area of the cylindrical part is guaranteed, and a standard cylindrical shape is obtained. The heat treatment shaping measure is different from a conventional process, the stainless steel core rod heat treatment tool penetrates into the titanium alloy cylindrical part, heat expansion shaping of the cylindrical part is achieved through the core rod by means of the heat expansion difference of different materials at the high temperature, and it is guaranteed that the outer diameter of the cylindrical part is + / -0.2 mm when the cylindrical part recovers to the room temperature state.

The utility model discloses a portable inclination error calibration device for an automobile brake pedal force meter, which comprises a frame, the frame comprises an upper supporting plate, a lower supporting plate and two vertical rods, each vertical rod is sleeved with an upper wedge-shaped gasket and a lower wedge-shaped gasket, the wedge-shaped surfaces of the two wedge-shaped gaskets face inwards, and the wedge-shaped surfaces of the two wedge-shaped gaskets face inwards. Two ends of the lower supporting plate are respectively provided with a sleeve hole, the lower supporting plate is sleeved on the vertical rod through the sleeve holes, the lower supporting plate is positioned between the two wedge-shaped gaskets, and the lower supporting plate is clamped and inclined by the wedge-shaped surfaces of the upper wedge-shaped gasket and the lower wedge-shaped gasket; a lifting rod; a force sensor; wherein the lifting rod is arranged on the upper supporting plate, and the force sensor is arranged at the bottom end of the lifting rod. The calibration device can calibrate the positive pressure and the inclined pressure of the pedal force meter, and is portable and wide in applicability.

This invention relates to the field of tunnel boring machine (TBM) construction technology, specifically disclosing a grouting reinforcement device and construction method for seepage prevention at the bottom of a tunnel in water-rich strata. A wedge-shaped gasket is installed between adjacent TBM segments. Grouting holes are drilled into the tunnel wall from the wedge-shaped gaskets. A grouting pipe is installed within the grouting holes. The grouting pipe includes a base pipe with two half-pipes at its lower end. When the two half-pipes are closed together, they form a circular pipe. The ends of the two half-pipes are hinged together. A central pipe is located inside the base pipe, and a compression ring is located at one end of the central pipe. The compression ring is pushed by the central pipe to move towards the two half-pipes, causing the two half-pipes to separate to both sides around the hinge. The beneficial effects of this invention are: it can simultaneously reinforce the TBM segments internally and externally during seepage prevention construction, enhancing the strength of the soil surrounding the TBM segments and making it less prone to displacement by external forces.

The invention belongs to the technical field of intelligent manufacturing, and relates to an automatic processing production line and an automatic processing method for wedge-shaped cushion blocks. The automatic machining production line comprises a feeding truss, a four-axis machining mechanism, a double-face machining mechanism, a double-head carving mechanism and a discharging conveying table, the four-axis machining mechanism comprises a four-axis support and a slope cutter head, the double-face machining mechanism comprises two two-axis supports, a polishing mechanism and a fillet cutter, and the double-head carving mechanism comprises a three-axis support and a cutter head base. The automatic machining method comprises the steps that the slope cutter head conducts slope machining on a plate, the fillet cutter conducts fillet machining on the plate, the polishing mechanism polishes the upper surface and the lower surface of the plate, and the cutting tool on the cutter head base machines the plate into a plurality of wedge-shaped cushion blocks. According to the wedge-shaped cushion block machining device, the three machining mechanisms are arranged, full-automatic machining of wedge-shaped cushion blocks is achieved, manual operation of machining equipment is not needed, the polishing mechanism can conduct overall polishing before plate cutting, and the quality of wedge-shaped cushion block finished products is improved.

A wedge cushioning system for supporting a lower limb of a patient includes a wedge assembly. The wedge assembly includes a wedge pad configured to cushion the lower limb of the patient, a first wedge wing pivotably coupled to a first side of the wedge pad and selectively pivotable between a first lowered position and a first raised position, a second wedge wing pivotably coupled to a second side of the wedge pad and selectively pivotably between a second lowered position and a second raised position independent of the first wedge wing, and a strap configured to be releasably coupled between the first wedge wing and the second wedge wing. The second side of the wedge pad is opposite the first side of the wedge pad.

The invention discloses an orthotropic material surface inside and outside coupling working condition loading device and method, and relates to the technical field of material mechanical property testing. The device comprises a main body connector, a connecting cylinder, a connecting rod, a clamping block, a fixing bolt, a spring positioning pin, a tested piece, a positioning hole, a wedge-shaped gasket, a screw hole and a self-locking slope. A preset space included angle between a dangerous section of a tested piece and a tensile machine load is realized through a spherical triangular pyramid structure of a main body connector, and five-axis and below working condition setting with a complex load ratio is realized by virtue of a connecting cylinder with a specific angle design and a test piece in a specific material main direction; efficient adjustment of working conditions is achieved through cooperation of threaded connection and spring positioning pins. The device solves the problems that in-plane and out-plane coupling loads cannot be provided, the structure is complex, the cost is high, and the working condition adjusting efficiency is low in the prior art, has the advantages of being low in cost, compact in structure, high in reliability and high in adaptability, and can be widely applied to multi-axis mechanical property testing of orthotropic materials.

The present invention relates to a berthing force measurement device and method for ship model testing, comprising a docked structure model and a docking ship model, a base fixed on the deck of the docked structure model, a support slot for installing a sensor positioning support on the horizontal surface of the base, a circular through hole on the vertical surface of the base, a top end of the vertical surface of the base hinged to one end of a rocker arm, the rocker arm and a telescopic arm slidably installed, the end of the telescopic arm rotatably connected to the outer wall of a berthing force plate, a pressure sensor installed on the sensor positioning support, a wedge-shaped gasket fixed on the rocker arm, and a spring connecting the wedge-shaped gasket and the pressure sensor. By arranging the spring, the rocker arm, the telescopic arm and the berthing force plate, the berthing force measurement device can utilize the force arm structure to transmit the force at the waterline to the upper deck of the docked structure model, thereby ensuring that the ship model test is a true restoration of the actual ship and improving the accuracy of the berthing force measurement.

The utility model relates to a temporary anchoring device for dismantling a No.0 block of a concrete continuous beam cantilever. The temporary anchoring device comprises an anchoring bearing beam, an anchoring prestress, an anchoring hole channel, a wedge-shaped cushion block, a frame connecting rod and an anchoring cross beam, the anchoring bearing beam is placed on the top surface of the box girder, the upper end of the anchoring prestress is anchored on the anchoring bearing beam, and the lower end of the anchoring prestress is anchored below the anchoring cross beam; frame connecting rods and anchoring cross beams which are connected with each other are arranged at the outlet position of an anchoring hole channel of a pier and surround the periphery of the bottom of the pier. The wedge-shaped cushion block is arranged between an anchoring hole channel outlet of the bridge pier and an anchoring cross beam, and anchoring force is transmitted to the bridge pier. Compared with the prior art, the bearing capacity of the bridge pier is fully utilized, the No.0 block and the bridge pier are anchored into a whole, and the reliable anchoring effect is provided.

The utility model discloses a wheel assembly positioner convenient to adjust offset distance, and relates to the technical field of positioners, in particular to a wheel assembly positioner convenient to adjust offset distance, which comprises an annular seat, a support pad and a mounting bolt, the mounting bolt penetrates through the annular seat and the support pad, a plurality of mounting grooves are arranged on the annular seat, and the support pad is arranged on the annular seat. The top end of the mounting bolt is located in the mounting groove, the inner wall of the mounting groove is movably sleeved with an annular plate, a plurality of stop baffles are movably connected to the inner side of the annular plate, and one end of each stop baffle abuts against the outer side of the top end of the mounting bolt. According to the wheel assembly positioner convenient to adjust the offset distance, through the first wedge-shaped gasket and the second wedge-shaped gasket which are meshed with each other and the sawteeth on the outer sides of the first wedge-shaped gasket and the second wedge-shaped gasket, after locking, the sawteeth on the first wedge-shaped gasket and the second wedge-shaped gasket are embedded into the surface of the mounting bolt and the surface of the bottom of the mounting groove correspondingly.

A bridge prefabricated box girder inner formwork supporting and reinforcing device comprises two wedge-shaped cushion blocks and two steel bar frameworks, nuts are welded to the upper portions and the lower portions of the frameworks on the opposite sides of the two steel bar frameworks, connecting shafts are rotationally connected to the nuts, transverse steel bars are arranged on the upper middle portions and the lower middle portions of the steel bar frameworks, and inverted-L-shaped fixing shafts are welded to the transverse steel bars. A vertical shaft rod of the fixing shaft is sleeved with a shaft sleeve, a locking rod is welded to the shaft sleeve, the locking rods connected to the two steel reinforcement frameworks are connected through a flower basket adjusting lead screw, and the two wedge-shaped cushion blocks are arranged at the bottoms of the two steel reinforcement frameworks in a cushioned mode respectively. The utility model is simple to manufacture and process, simple and convenient to assemble and disassemble during application and high in construction speed, and can effectively solve the safety risk problems of unsuitability for disassembly in a specific space and limited space in a traditional reinforcing mode while achieving the supporting and reinforcing effects.

The utility model discloses a bridge external maintenance car limiting device, which relates to the field of maintenance car limiting devices, and comprises an outer frame and wedge-shaped cushion blocks, the outer frame is provided with bolts, the bolts are connected to the outer frame through threads and can press the wedge-shaped cushion blocks below when being screwed downwards, the wedge-shaped cushion blocks are provided with positioning grooves, and the positioning grooves are matched with the wedge-shaped cushion blocks. A positioning groove is formed in the outer frame, a bolt is arranged in the positioning groove, a gasket is arranged in the positioning groove, the bolt can abut against the gasket when moving downwards, the front end face of the wedge-shaped cushion block is an inclined face, an installation hole is further formed in the outer frame, a check block is arranged in the installation hole, and the check block is located behind the wedge-shaped cushion block. The outer frame and the wedge-shaped cushion block are mounted below steel wheels of an inspection vehicle outside a bridge in a manner of clamping a track, so that the track of the inspection vehicle is not damaged, and the assembly and disassembly are convenient during use; in order to ensure that the inspection vehicle is completely braked, the limiting devices are mounted on the tracks on the two sides.

The invention discloses an adaptive lotus root harvester in the technical field of lotus root harvesting equipment, comprising a crawler-type walking device, a jet device, a double-chain transmission connecting rod device, an auxiliary lifting device, a transmission device, and a cleaning device. The jet device comprises a row of hydraulic adjustment rods, a multi-hole row nozzle and a connecting rod assembly; the hydraulic adjustment rod drives the connecting rod assembly to adjust the height and angle of the multi-hole row nozzle, and the multi-hole row nozzle flushes to make the lotus root float. The invention adopts a high-pressure jet device, and the hydraulic adjustment rod cooperates with a hydraulic pump to lower the multi-hole row nozzle and insert it into the soil, so that the flushing efficiency is higher. The device adopts a shovel-type nozzle, which can shovel the loose mud layer when walking, and shovel out the lotus root floating on the water surface; the double-chain transmission connecting rod device and the transmission device are adopted, and the damage rate of the lotus root can be greatly reduced through the cooperation of the wedge-shaped pad and the lifting connecting rod and the staggered arrangement of the self-spinning connecting rod and the lifting connecting rod, so as to improve the harvesting efficiency.

The utility model provides a lifting appliance for segmenting a conical projectile body, which adopts a double-point lifting mode, ensures that the projectile body is stressed unevenly in the lifting process, and realizes the installation of an end face flange on the projectile body through the matching of a wedge-shaped cushion block and the end face flange. The lifting appliance comprises a lifting beam, lifting blocks symmetrically installed at the two ends of the lifting beam in the length direction and end face flanges installed at the two axial ends of a conical projectile body segment. The length direction of the hanging beam is parallel to the axis of the conical projectile body subsection; the hoisting block provides a hanging point matched with hoisting equipment; meanwhile, the hanging blocks are connected with the end face flanges at the corresponding ends through hanging belts; and connecting points provided by the end face flanges at the two ends are the same in height with the hanging belt.

The invention discloses a spacecraft unlocking impact measurement simulation test system, and belongs to the technical field of spacecraft ground test simulation. The invention aims to solve the problems of high ground test cost and low efficiency in the impact unlocking test of the spacecraft initiating explosive device. Comprising an on-satellite test structure, a simulation separation nut is fixedly connected with a base, and a wedge-shaped cushion block is arranged at the upper end of the base to simulate an on-satellite compression sliding block assembly; a simulation cabin plate is fixedly connected with the bottom end of the base; the bottom end surface of a snapping transfer frame body is correspondingly and fixedly connected with the upper end surface of a notch of a simulation bolt with a notch in the middle section, and the lower end of the simulation bolt is correspondingly in threaded connection with a simulation separation nut; the pressure loading module adopts a hydraulic machine to pressurize the snapping transfer frame body to generate upward thrust, and pulls the simulation bolt to generate pre-tightening force; and an acceleration impact sensor is arranged on the base and is used for monitoring an impact load generated by separation of the simulation separation mechanism and the on-satellite test structure. The device is used for spacecraft unlocking impact simulation test.

The utility model discloses a low-voltage power distribution emergency power supply rapid access electric connector, which comprises a shell, the shell is vertically through, a joint is arranged in the shell, the joint is rotatably connected with the inner wall of the shell, the upper end of the shell is in threaded connection with a first fixing seat, the upper end of the first fixing seat is rotatably connected with a second fixing seat, and the second fixing seat is in threaded connection with the shell. A pressing piece is arranged at the end of the second fixing seat, one end of the second fixing seat is in threaded connection with a tail cover, a wedge-shaped gasket is arranged on the inner wall of the tail cover, and the lower end of the wedge-shaped gasket is thin, and the upper end of the wedge-shaped gasket is thick. According to the low-voltage power distribution emergency power supply rapid access electric connector provided by the utility model, through arrangement of related assemblies such as the joint rotatably connected with the inner wall of the housing, when the cable rotates under the action of external force, the housing is fixed on a power supply box, and the cable in the housing can drive the first fixing seat and the second fixing seat to rotate; therefore, rotation of the shell on the power supply box is reduced, and the possibility that the device is separated from the power supply box is reduced.

The invention relates to a bionic static and dynamic pressure mixed gas thrust bearing in the technical field of gas foil bearings. The bionic static and dynamic pressure mixed gas thrust bearing comprises a top foil, a wedge-shaped gasket, a support shaped like a Chinese character'tian ', a perforated base and a base. The support shaped like the Chinese character'tian 'comprises three layers of support elements shaped like the Chinese character'tian', and adjacent elements are fixedly connected through positioning pins. The top foil simulates the shape of a belief wing, the structure of the top foil can be continuously optimized, and flow field distribution of an air film layer is adjusted so as to adapt to complex and changeable working conditions of different bearing capacities, temperatures and rotating speeds. The wedge-shaped gasket is provided with two areas formed by integrated chemical etching to form a wedge-shaped high-pressure gas film, the support shaped like the Chinese character'tian 'forms an elastic supporting structure, a gas source is provided by a base gas supply hole before the wedge shape starts, and the bearing takes off without dry friction by adjusting the gas supply pressure. And for the same bearing clearance, more gas exists by increasing gas inflow, blocking gas outflow and gas radial escape, so that the purpose of increasing the bearing capacity and stability of the bearing is achieved.

The present invention discloses a rapid alignment mechanism for a secondary mirror of an aerospace camera, which comprises: a core shaft, a first rotating shaft, a second rotating shaft and a third rotating shaft. One end of the core shaft is connected to an annular gear, and the other end of the core shaft has an interface for mounting a secondary mirror holder. The first rotating shaft is rotatably sleeved on one end of the core shaft close to the positioning ring. The second rotating shaft is rotatably sleeved on the first rotating shaft and is arranged away from the annular gear. The third rotating shaft is rotatably sleeved on the second rotating shaft and is arranged close to the interface. A first wedge-shaped gasket is installed on the end of the first rotating shaft close to the interface, and a second wedge-shaped gasket is installed on the end of the third rotating shaft close to the interface, and the first wedge-shaped gasket is located between the interface and the second wedge-shaped gasket. The first wedge-shaped gasket and the second wedge-shaped gasket are in contact with each other, and the first wedge-shaped gasket abuts against the secondary mirror. The alignment of the present invention is simple, the alignment time is short, it can be reused, and it can reduce the difficulties and complexities brought about by trimming gaskets.

The novel locknut comprises a clamping plate assembly, a positioning assembly, a nut anti-loosening assembly, a bolt body and a through groove, the positioning assembly is arranged on the right side of the top of the clamping plate assembly, the bolt body is arranged at the bottom of the clamping plate assembly, and the nut anti-loosening assembly is arranged in the center of the top of the clamping plate assembly. The positioning assembly comprises a positioning block, a positioning plate, a positioning rod, a spring, a threaded frame, a threaded groove and a limiting groove. The nut anti-loosening assembly comprises a nut body, a clamping groove, a first wedge-shaped gasket and a second wedge-shaped gasket. The novel locknut has the advantages of being good in anti-falling effect and convenient to fix, and solves the problems that when a nut in the prior art is used, due to the fact that the nut is vibrated for a long time, thread slipping is prone to occurring, the nut falls off, the fixing effect of the nut is reduced, and the operation risk of mechanical equipment is increased.

The invention relates to an online adjustable dock pump mounting bottom plate and a mounting method of the bottom plate. The mounting bottom plate comprises a pump bottom plate body, wedge-shaped cushion blocks, adjusting devices, sealing rings and fixing and connecting devices. The pump bottom plate is an annular mounting plate with an L-shaped section, one end of the annular mounting plate is a spigot, the circumference of the annular mounting plate is positioned on the inner ring of the foundation ring, and the other end of the annular mounting plate is arranged between the foundation ring and the pump water outlet elbow; the wedge-shaped cushion block is cushioned between the foundation ring and the pump bottom plate, one end of the adjusting device is clamped at the tail of the wedge-shaped cushion block, and the other end of the adjusting device is screwed into the pump bottom plate; the pump water outlet elbow, the pump bottom plate and the foundation ring are fixed together through the fixed connecting device, the sealing device is arranged on the contact plane of the pump bottom plate and the pump water outlet elbow, and the sealing device is arranged on the contact ring surface of the pump bottom plate and the foundation ring. According to the method, the levelness can be conveniently adjusted, the technical quality requirement on foundation civil engineering can be reduced, the sealing reliability of each joint surface before and after adjustment can be ensured, and the risk that a dock pump house is flooded is greatly reduced.

The utility model discloses a twelve position numerical control lathe tool disc range -increasing tool holder device belongs to machining manufacturing technical field. Including tool holder body, locking clamp, wedge gasket, M8 screw, M6 screw, the tool holder body presents concave character shape, is used for the horizontal of tool Put down, the right lower corner of tool holder body front is provided with the connecting hole, locking clamp front upper portion, middle part, lower part is provided with three connecting holes, the right lower connecting hole of tool holder body adopts M6 screw and locking clamp upper portion connecting hole links, locking clamp middle part and lower part connecting hole adopts M6 screw and twelve position numerical control lathe tool rest tool holder inner upper thread hole connection, wedge gasket wedge shape coincides with locking clamp wedge shape, and when using, insert twelve position numerical control lathe tool rest tool holder inner, and screw up M6 screw and fix tool holder body in twelve position numerical control lathe tool rest tool holder, adopt M8 screw and fix tool make tool physical installation move 100mm distance on. The utility model solves the problem of numerical control machine tool processing range reduction and reduces the use value.