45 results about "Wedge cushion" patented technology

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.

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 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.

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 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 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 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.

The utility model relates to the technical field of steel analysis, in particular to a test device for milling and leveling a steel billet macroscopic sample, which comprises a milling machine table, an irregular steel plate, a threaded rod, a first nut, a first wedge-shaped cushion block, a second nut and a second wedge-shaped cushion block, movable grooves are formed in the interiors of the two bases, double-end lead screws are movably connected to the interiors of the two movable grooves, rotating shafts penetrating through the bases are fixedly connected to one ends of the two double-end lead screws, and threaded blocks are connected to the left sides and the right sides of the exteriors of the two double-end lead screws in a meshed and sleeved mode; according to the test device for milling, grinding and leveling the low-power sample of the steel billet, disclosed by the utility model, the problems of milling and grinding difficulties caused by thickness errors of the sample are solved, the safety risk caused by manually hitting a wedge-shaped cushion block is reduced, and the stability in the sample processing process is ensured, so that the quality and the efficiency of milling and grinding the steel billet sample are ensured and improved.

The present invention relates to a hydraulic cavitation assembly for a groundwater circulation well, which is used to form directional tail flow cavitation bubbles to remove dirt that is blocked on the screen pipe of the circulation well. The hydraulic cavitation assembly is installed in the screen pipe section of the circulation well body. The hydraulic cavitation assembly includes a screen pipe section elastic plate, a wedge pad and a screen pipe section cavitation tube. Several screen pipe section elastic plates are overlapped end to end and arranged in a circular array, and a wedge pad is accommodated between the end and tail of two adjacent screen pipe section elastic plates. The wedge pad is installed on the base of the hydraulic cavitation assembly and is located at the tail end of the screen pipe section elastic plate. It engages with the screen pipe section elastic plate to cause it to bend and deform. The screen pipe section cavitation tube is arranged on the screen pipe section elastic plate and turns as the screen pipe section elastic plate deforms.

The utility model provides an assembly rack for heat exchange internals of a nuclear power high-temperature reactor evaporator, which can meet the requirements of high precision and high reliability of assembly of the heat exchange internals of the high-temperature gas cooled reactor evaporator and improve the assembly efficiency and quality. The telescopic mechanism is arranged on the frame, and the positioning wheel is arranged on the telescopic mechanism; the internal part supporting tool is arranged at the top of the frame; the supporting frame is arranged on the top of the frame. The fixed base is fixedly arranged on the supporting frame; the transverse sliding seat is transversely and movably arranged on the fixed base; the transverse adjusting bolt is connected with the transverse sliding seat; the vertical adjusting plate is arranged on the transverse sliding seat in an up-down moving manner; the vertical adjusting bolt is connected with the vertical adjusting plate; the pressing hoop is fixedly arranged on the vertical adjusting plate; the water supply pipe supporting tool is arranged at the bottom of the frame and comprises a supporting seat and a water supply pipe tool; the supporting seat is arranged at the bottom of the frame; the flange seat is arranged on the supporting seat, and a positioning hole is formed in the flange seat; the wedge-shaped pad assembly is arranged between the flange base and the supporting base.

The invention relates to an offshore converter station jacket and LMU folding welding construction process. The method comprises the steps of groove arrangement, wherein the groove of the cylinder wall of the lower end of an LMU is 30 degrees, and the groove of the cylinder wall of an upper opening of a jacket is 15 degrees; mounting a liner: pre-mounting the steel liner on the inner side of the cylinder wall at the lower end of the LMU; wedge-shaped cushion blocks are welded on the cylinder wall of the upper opening of the jacket at intervals; hoisting: enabling the cylinder wall of the lower end of the hoisted LMU and the cylinder wall of the upper opening of the jacket to form a qualified butt joint through the matching of a guide block and a steel liner; fixing the code plate; preheating is conducted, and multi-layer and multi-pass welding is adopted for groove welding seams; and detecting. The method has the advantages that the risk of incomplete fusion of a lower groove is reduced by selecting the groove angle with the large upper part and the small lower part; the steel liner is adopted to facilitate fusion of the root of a welding seam, the welding difficulty of single-face welding and double-face forming is reduced, butt joint is more accurate, the wedge-shaped cushion block is adopted to facilitate high-precision control over hoisting assembly gaps, and high-precision assembly and high-quality welding are completed.

The present application relates to the field of floating slab track technology, and particularly relates to a shear hinge design construction method of a prefabricated steel spring floating slab track, which comprises the following steps: during the installation of the shear hinge: when the shear hinge is located in a straight line and a circular curve section, a flat pad is arranged between the shear plate and the surface of the prefabricated floating slab; when the shear hinge is located in a transition curve section, a corresponding specification of height-adjusting pad and wedge-shaped pad are arranged according to the height difference on one side of the adjacent prefabricated floating slab, the height-adjusting pad and the wedge-shaped pad are arranged between the shear plate and the surface of the prefabricated floating slab on the corresponding side, and the height-adjusting pad is arranged above the wedge-shaped pad; after the flat pad, the wedge-shaped pad and the height-adjusting pad are installed, the shear hinge and the prefabricated floating slab are connected and fixed. The present application has the advantages that the installation requirements of the shear hinge in different sections are met, the adjustment of the shear hinge in different sections is facilitated, and the construction efficiency and the construction quality are improved.

A spacecraft unlocking impact measurement simulation test system belongs to the field of spacecraft ground test simulation technology. The present invention addresses the problems of high ground test cost and low efficiency in spacecraft pyrotechnic impact unlocking tests. It includes an on-board test structure, which is fixedly connected to the base using a simulated separation nut, and a wedge-shaped pad is provided on the upper end of the base to simulate the on-board clamping slider assembly; a simulated cabin plate is fixedly connected to the bottom end of the base; a simulated separation mechanism, which is fixedly connected to the upper end of a simulated bolt with a notch in the middle section using a bottom end face of a breakaway adapter frame, and the lower end of the simulated bolt is threadedly connected to the simulated separation nut; a pressure loading module, which uses a hydraulic press to pressurize the breakaway adapter frame to generate an upward thrust, and pulls the simulated bolt to generate a pre-tightening force; an acceleration impact sensor is provided on the base to monitor the impact load generated by the separation of the simulated separation mechanism and the on-board test structure. The present invention is used for spacecraft unlocking impact simulation testing.

The invention discloses an adjustable fixing structure for a flexible direct current transformer valve side voltage equalizing pipe, and relates to the technical field of flexible direct current transformer equipment.The adjustable fixing structure for the flexible direct current transformer valve side voltage equalizing pipe comprises a vertical bar installed on a support; the wire fixing clamps are mounted on the vertical bar and are arranged in pairs; the adjusting mechanism is arranged on the vertical bar and corresponds to the wire fixing clamps, the adjusting mechanism comprises an inclined wire clamp, a slotted wire clamp and a wedge-shaped cushion block which are stacked in sequence, the inclined wire clamp is located on the side, away from the other wire fixing clamp, of the corresponding wire fixing clamp and is fixedly connected with the vertical bar in a clamped mode, and the wedge-shaped cushion block abuts against the wire fixing clamps. The wedge-shaped cushion block is used for adjusting the distance between the two wire fixing clamps; according to the adjustable fixing structure, it is guaranteed that the axis position of the wire fixing clamp is consistent with the target axis position of the uniform valve side pressure pipe body, the height manufacturing tolerance of the uniform valve side pressure pipe body is solved, and finally the consistency of the trend of the uniform valve side pressure pipe body and the trend of the sleeve is guaranteed.

A closing wheel system for a seeder unit comprising a pair of closing wheels, each closing wheel comprising a coil member having a first end and a second end and a plurality of coil windings extending therebetween. The system comprising a base plate having a first surface and a second surface to which the second end of the coil member may extend around a periphery of the base plate. The system comprising an axle member extending through the base plate and having a free end extending from the base plate for engagement with the support arm, and a pair of wedge washer members mounted on the free end. The wedge washer members may engage with the support arm such that the wedge washers members engage with the support arm such that the axle member is caused to extend downward to orientate the closing wheels with respect to the support arm.

This invention provides an inexpensive anti-loosening wedge washer device that can firmly and permanently prevent loosening caused by aging, such as wood shrinkage, in joints of wooden buildings using bolts and nuts. The device compensates for and prevents screw loosening due to shrinkage of joined members by increasing the washer's thickness. The washer has a truncated cone-shaped lid, and a truncated cone-shaped collar protrudes coaxially with the concave bolt hole. An annular wooden wedge, having a volume larger than that of the tapered annular space inside the washer, is pressed inwardly by screw tightening. The bulging restoring force of the compressed wooden wedge compensates for the shrinkage of the joined members. As a result, gaps caused by wood thinning are absorbed by the increased washer thickness, enabling long-term prevention of loosening in the joint.

1. The name of the design product: foot wedge. 2. The use of the design product: for foot training, correcting body posture. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The application provides a pipeline integrated sealing device, which comprises a first sealing cylinder and a sealing assembly. The first sealing cylinder is provided with a first upper flange and a first lower flange on both sides, and is further provided with a fixed flange on one side. There are at least eight adjusting rods in the first sealing cylinder. The sealing assembly comprises a sealing piece and a second sealing cylinder. The sealing piece is provided with a first annular pad at one end. The sealing piece is sealed by being attached to the second sealing cylinder through the first annular pad. The outer wall of the other end of the sealing piece is provided with a wedge-shaped pad. The other end of the sealing piece is attached to the fixed flange through the wedge-shaped pad. The adjusting rods are adjusted to make the sealing piece tightly attached to the fixed flange through the wedge-shaped pad for sealing. The pipeline integrated gravity is used for tightly sealing, and multiple adjusting rods are used for tightly sealing at the same time. The sealing performance is not affected by the liquid hydrogen storage tank.