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610 results about "Wedge shape" patented technology

Wedge-shaped - (of a leaf shape) narrowly triangular, wider at the apex and tapering toward the base. cuneate. unsubdivided, simple - (botany) of leaf shapes; of leaves having no divisions or subdivisions.

Fragile front cover of launch canister, preparation method of fragile front cover and test system comprising fragile front cover

The invention discloses a fragile front cover of a launch canister, a preparation method and a test system comprising the fragile front cover, the fragile front cover comprises a cover body and a flange part annularly arranged on the periphery of the cover body, at least three radial weakening grooves are formed in the front face of the cover body, an annular weakening groove is formed in the position, close to the edge, of the back face of the cover body, and the section of the annular weakening groove is in a single-slope wedge shape. Comprising a vertical side wall and an inclined side wall, the vertical side wall is vertically connected with the end face of the flange part, an angle a is formed between the inclined side wall and the end face of the flange part, and the inclined side wall extends from the groove bottom of the annular weakening groove to the surface of the cover body and intersects with the vertical side wall to form a directional crack propagation area, so that cracks preferentially extend along the angle a under the impact load effect. Through the design that the integrated polyurethane foaming body is combined with the directional crack propagation area, the actually-measured bursting force peak value is smaller than or equal to 7 kN, and the low-impact requirement of the missile fairing is met. The radial weakening grooves in the front face and the wedge-shaped annular weakening grooves in the back face achieve the synergistic effect, so that the maximum size of the fragments is far smaller than a safety threshold value.
Owner:CENT SOUTH UNIV

Curtain wall unit body hanging weight assembly

ActiveCN223838376UCovering/liningsWallsMechanical engineeringWedge cushion
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.
Owner:BEIJING JANGHO CURTAIN WALL SYST ENG

Controlling flood discharge gate of water conservancy project and using method of controlling flood discharge gate

The invention relates to the technical field of flood discharge gates, and discloses a control flood discharge gate of a water conservancy project and a using method thereof.The control flood discharge gate comprises a bottom plate, two side piers fixedly installed on the bottom plate and a flood discharge slope fixedly connected with one end of the bottom plate, a main gate is slidably installed between the two side piers, and a lifting frame is fixedly installed at the upper ends of the two side piers; a steel wire rope is fixedly connected between the output end of the winch and the upper end of the main gate. Water flow drives paddles to move, a rotating shaft drives a rotating disc to rotate, a sliding rod slides towards the edge of the rotating disc along a centrifugal groove under the action of centrifugal force when rotating along with the rotating disc, an arc-shaped plate is continuously limited by the sliding rod to drive a sliding block to move upwards, and at the moment, a pressure sensing plate senses pressure and controls an air cylinder to extend to a corresponding gear; the wedge-shaped block drives the water guide plate to rotate, the end of the water guide plate rotates upwards, the flood interception angle is reduced, and the situation that the load of the water turbine is increased due to excessive water flow in the flood flow channel is prevented.
Owner:ZHONGSHUI JUNXIN ENG SURVEY & DESIGN CO LTD

Device for conveniently adjusting drafting gauge of roving frame

The utility model relates to the technical field of spinning, in particular to a convenient and fast adjusting device for a drafting gauge of a roving frame, which comprises four groups of roller mounting seats sequentially arranged on a roller support along the roving conveying direction, at least one guide groove arranged on a cradle, four leather roller frames arranged in the guide groove in parallel, and a plurality of adjusting blocks arranged on the four leather roller frames, the long-distance brackets correspond to the four groups of roller mounting seats respectively and are fixed on the roller bracket; and the single brackets are fixed on the cradle. According to the utility model, the 45-degree inclined surface of the pushing block is matched with the wedge-shaped strip between the roller mounting seats, and the sliding block is matched with the wedge-shaped groove, so that the height change of the pushing block is the same as the distance change between the adjacent roller mounting seats or roller frames, and the synchronous adjustment of the roller distance and the roller distance can be realized; the position between the leather roller and the roller does not need to be calibrated after adjustment, the efficiency of adjusting the distance between the roller mounting seats is greatly improved, and the efficiency of adjusting the distance between the leather roller frames is improved.
Owner:江阴市源仁纺织有限公司

Container Section Device (Tri Pots)

A modular insert system that divides a container—e.g., a standard bucket—into multiple isolated compartments using wedge-shaped sections. Each section fits snugly, includes an over-rim support to hold position, and can be individually removed for filling, pouring, or cleaning. Optional accessories (brush holders, lids, slide-on handles, ladder-hook carry handle) and alternative bucket geometries are contemplated. Applications include painting, construction, food service, janitorial, floristry, outdoor, mechanical, and household uses.
Owner:FOX GEORGE DANIEL +1

Shallow-buried tunnel face surrounding rock stability quantitative judgment method and application

The invention provides a shallow-buried tunnel face surrounding rock stability quantitative discrimination method and device, and the method comprises the steps: determining the supporting force needed by the stability of a tunnel face according to a wedge-shaped body model of a soil body in front of the tunnel face when a shallow-buried tunnel is excavated; determining the stability coefficient of the reinforced tunnel face under the action of considering different support measures; and comparing the stability coefficient of the tunnel face with the critical stability coefficient of the tunnel face, judging the stability of the tunnel face according to a comparison result, and evaluating the effect of the current support measure. According to the provided calculation formula of the stability coefficient of the tunnel face, quantitative analysis of the initial stability of the tunnel face and the stability of the tunnel face under four supporting measures of pipe sheds, tunnel face anchor rods, tunnel face grouting and reserved core soil can be achieved.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY +4

Water pump convenient to mount and dismount

The utility model relates to the technical field of ice makers, and particularly discloses a water pump convenient to mount and dismount, which comprises a quick dismounting plate convenient to mount and dismount, a plurality of quick release grooves are formed in the quick release plate; a wedge-shaped plate is clamped and inserted in the quick release groove; the wedge-shaped plate is clamped on the lower surface of the quick-release plate through the shape of the wedge-shaped plate, so that the wedge-shaped plate cannot vertically move upwards and can only obliquely move upwards to be separated from the quick-release groove under the action of external force, and the water pump assembly is quickly mounted and dismounted; an avoiding groove is formed in the quick release plate; the quick release plate is inserted into the water tank; a plurality of guide clamping plates corresponding to the quick release plates are fixedly connected in the water tank box; a bearing groove is formed in the position, corresponding to the quick-release plate, in the water tank box, the multiple guide clamping plates are matched with the bearing groove, so that the quick-release plate is limited in the guide clamping plates and the bearing groove, vertical movement of the quick-release plate is limited, the quick-release plate and the water pump assembly can be taken out upwards only after the quick-release plate moves to the bottom of one end of the bearing groove, and mounting and dismounting are more convenient.
Owner:CHUZHOU CHUANGLI ELECTRICAL APPLIANCES CO LTD

Linear combination of variable wedge orifice sections

The application discloses a linear combination shield construction method of a variable wedge-shaped pipe joint, and belongs to the technical field of urban pipeline construction, and comprises the following steps: according to construction requirements and a design curve, the wedge-shaped amount of a required pipe joint is calculated and determined; the wedge-shaped amount of the variable wedge-shaped pipe joint is adjusted through a screw rod adjusting device, so that the pipe joint meets the design curve requirements; the pipe joint with the adjusted wedge-shaped amount is jacked into the ground through a wellhead jacking system of a shield machine; in the pipe joint jacking operation, the shield machine is used as a main propelling device, and the wellhead jacking system is used in cooperation, so that the pipe joint can strictly follow a pre-planned linear combination path and accurately advance. The application can adapt to the construction requirements of complex linear combination such as straight line-curve-straight line and curve-straight line-curve, and the flexibility and adaptability of construction are improved.
Owner:CCFEB CIVIL ENG

Prefabricated wallboard quick connection joint based on spherical hinge-wedge block compounding and construction method

The invention discloses a prefabricated wallboard quick connection node based on spherical hinge-wedge composite and a construction method, and relates to the technical field of building construction, the prefabricated wallboard quick connection node comprises two prefabricated wallboards and a spherical hinge-wedge composite node mounted between the two prefabricated wallboards; the spherical hinge-wedge block composite joint comprises an anchoring plate, a wedge block and a wedge block, wherein the anchoring plate is fixedly mounted in a fabricated wallboard; the ball head is mounted at the bottom of the anchoring plate; the ball socket base is mounted in the other fabricated wallboard; the ball socket is mounted in the ball socket base and matched with the ball head; the annular locking groove is formed in the ball head and matched with a wedge-shaped locking block arranged on the surface of the ball socket base to limit the longitudinal moving direction of the ball head. Spherical hinge force transmission and wedge-shaped quick locking serve as the core, and triple breakthroughs of one-time digestion of multidirectional errors, millimeter-level quick locking, high bearing and reversible disassembly are achieved for the first time in the field of prefabricated concrete wallboard connection.
Owner:CHINA MCC17 GRP CO LTD

Field disassembly and assembly type helicopter take-off and landing terrace

The utility model discloses a field detachable helicopter take-off and landing terrace, and mainly relates to the technical field of helicopter take-off and landing terraces. Comprising a plurality of main plates, male inclined plates and female inclined plates, wedge-shaped blocks are arranged on one transverse edge and one vertical edge of each main plate and one side of each male inclined plate respectively, wedge-shaped grooves are formed in the other transverse edge and the other vertical edge of each main plate and one side of each female inclined plate respectively, limiting columns are arranged in the wedge-shaped grooves, and grooves in sliding connection with the limiting columns are formed in the wedge-shaped blocks. An elastic block is arranged in the groove, a protrusion is arranged at the end of the elastic block, and the upper side and the lower side of the protrusion are provided with a first inclined face and an arc-shaped face which make contact with the limiting column respectively. The helicopter landing terrace has the advantages that the problem that an existing helicopter landing terrace cannot be disassembled and assembled is solved, the cost of long-time field operation of a helicopter is reduced, and meanwhile the efficiency of laying the helicopter landing terrace is improved.
Owner:BODA GANGLI INTELLIGENT EQUIP TECH (SHANDONG CO LTD

Ratchet wrench

A ratchet wrench comprises a wrench head, a gear ring, a pawl and a spring. The pawl may be moved into a drive position in which a wedge end of the pawl is urged into a wedge region of the pocket of the head between the outer surface of the ring gear and the pocket sidewall such that a bias applied by the spring urges the pawl teeth into engagement with the ring gear teeth to allow drive of the ring gear. The pawl may also move to a ratchet position in which the wedge end of the pawl is positioned away from the wedge region such that a bias applied by the spring urges the stop protrusion of the pawl into engagement with the outer surface of the ring gear to inhibit movement of the pawl in a direction away from the wedge region.
Owner:APEX BRANDS INC

Relay split riveting die

ActiveCN223981116UWorkbenchWedge shape
The utility model relates to a relay split riveting die, which is characterized in that a clamp comprises a first mounting block for mounting a relay pin, a second mounting block for mounting a push block is arranged on the periphery of the first mounting block, a sliding block is arranged at the bottom of the push block to enable the push block to axially move in the second mounting block, and the second mounting block is movably arranged on a vertical guide rod; the workbench is further provided with a plurality of abutting blocks, a first wedge-shaped face is arranged on the side, facing the abutting blocks, of the sliding block, a second wedge-shaped face is arranged on the side, facing the sliding block, of the abutting blocks, the first wedge-shaped face abuts against the second wedge-shaped face, and the pressing device can drive the relay, the first installation block and the second installation block to press downwards at the same time so that the abutting blocks can push the pushing block to move axially. When the pressing device drives the relay and the mounting block to press downwards, the abutting block pushes the push block to move axially, so that the push block can be pushed into the a1 position of the pin of the relay as shown in Figure 5 for splitting and riveting, the operation process between the mounting process and the pin splitting process is omitted, and mounting is faster and more convenient.
Owner:RUIAN YUANBO AUTOMOTIVE ELECTRONICS CO LTD

A pressure-bearing fully-sealed inhaul cable anchor head structure

The application discloses a pressure-bearing full-seal cable anchor head structure, which comprises a cable body, a sealing cylinder, a compression ring, a sealing layer, and a wedge-shaped sealing ring. The outer wall of the wedge-shaped sealing ring is provided with a recessed annular wedge groove, and the inner wall of the wedge-shaped sealing ring is provided with a first sealing area and a second sealing area. The first sealing area is provided with a plurality of first sealing soft teeth arranged at intervals, and the second sealing area is provided with a plurality of second sealing soft teeth arranged at intervals. The inclination directions of the first sealing soft teeth and the second sealing soft teeth are opposite. The wedge-shaped sleeve is provided with a protruding annular wedge body on the inner wall. The compression ring, the wedge-shaped sealing ring, and the sealing cylinder are sequentially sleeved outside the cable body in the axial direction, the first sealing area and the second sealing area are tightly attached to the cable body, the wedge-shaped sleeve is sleeved outside the wedge-shaped sealing ring and compresses the wedge-shaped sealing ring, and the sealing layer is located at the outermost layer and wraps the compression ring, the wedge-shaped sleeve, and the sealing cylinder. The application can bear external pressure, resist strong corrosive environment, and prolong the service life of the cable under extreme working conditions.
Owner:LIUZHOU OVM MASCH CO LTD

Design method of self-lubricating texture on inner side surface of sealing ring for rolling bearing

The invention discloses a method for designing a self-lubricating texture on the inner side surface of a sealing ring for a rolling bearing, which solves the problem that lubricating grease is adhered to the inner side surface of the sealing ring by arranging a super-oleophobic surface on the inner side surface of the sealing ring. Based on the characteristics of the base oil and observation of the contact angle of oil drops of the base oil in the wedge-shaped texture on the sealing ring, the contact angle outside the wedge-shaped texture and the receding contact angle, the solid-liquid contact boundary length of the oil drops meeting the self-transportation condition of the base oil and the waist line position of the wedge-shaped texture is designed, and therefore the height of the wedge-shaped texture is designed to be larger than the length; a plurality of texture groups which are arranged on the inner side face of the sealing ring at equal intervals in the radial direction can be machined through a femtosecond laser ablation technology, each texture group is composed of a plurality of wedge-shaped textures which are evenly distributed in the circumferential direction, and the tip ends of the wedge-shaped textures face the inner wall of the sealing ring. The wedge-shaped texture can automatically transport base oil separated from lubricating grease in a gap between the inner ring of the rolling bearing and the sealing ring to the outer ring of the rolling bearing, the oil leakage condition between the sealing ring and the inner ring of the bearing is improved, and the sealing performance of the bearing is improved.
Owner:HANGZHOU DIANZI UNIV

Fast-assembly type source network load storage energy storage cabin frame

The invention discloses a fast-assembly type source network load storage energy storage cabin frame, and relates to the technical field of energy storage cabin frames, the fast-assembly type source network load storage energy storage cabin frame comprises a vertical rod, a supporting rod and a pull rod, insertion holes are formed in the two opposite side faces of the outer portion of the vertical rod, limiting clamping seats are arranged on the other two opposite side faces of the outer portion of the vertical rod, and two pin holes are formed in the upper portion of each limiting clamping seat. Through the collaborative design of the vertical rod, the limiting clamping seat, the pull rod, the limiting clamping block, the supporting rod, the wedge-shaped clamping block, the inserting holes, the pressing rod, the spring and other structures, the remarkable technical effects are achieved: when the vertical rod is connected with the supporting rod, the two ends of the supporting rod can be directly inserted into the inserting holes, and the wedge-shaped clamping block in the supporting rod automatically clamps the inner side of the vertical rod under the action of the spring to complete positioning; the pull rod is clamped into the limiting clamping seat groove through the limiting clamping blocks at the two ends and is inserted and locked through the L-shaped bolt; the supporting plates can be in butt joint quickly by being clamped into the clamping grooves of the supporting rods through the clamping protrusions, bolts and professional tools are not needed in the whole process, the frame installation speed is greatly increased, and the construction efficiency is improved.
Owner:KAIFENG POWER SUPPLY COMPANY STATE GRID HENAN ELECTRIC POWER +1

Transfer device for transporting small machinery

The utility model relates to the technical field of transportation equipment, in particular to a transfer device for transportation of small machinery, which comprises a device main body, a lifting structure and a clamping structure, the device main body comprises a mainframe box, side arms are fixedly mounted on two sides of the mainframe box, and hydraulic push rods are fixedly mounted at the front and rear ends of the side arms; the lifting structure is fixedly mounted on the upper side of the side arm; the clamping structure comprises a force exerting plate which is fixedly connected with the output end of the hydraulic push rod, and a wedge-shaped strip is fixedly installed on the inner side of the force exerting plate. The mechanical equipment is located in the gap between the two side arms, the wedge-shaped strips are attached to the two sides of the mechanical equipment, the edges of the inclined faces of the wedge-shaped strips are shoveled into the edges of the two sides of the equipment along with continuous attaching of the wedge-shaped strips, and the whole mechanical equipment needing to be transferred is lifted away from the ground through pushing of the inclined faces to be transferred. And a certain automatic feeding function is achieved, and meanwhile the mechanical equipment transfer device can adapt to transfer work of mechanical equipment of various sizes within the moving range of the clamping structure.
Owner:HEFEI SANGYU TRANSPORTATION CO LTD

Composite material cable reel capable of being quickly disassembled and assembled and recycled

PendingCN121626774AElectric cablesRotating disc
The invention relates to the technical field of cable storage and transportation equipment, and discloses a composite material cable reel capable of being quickly disassembled, assembled and recycled, the composite material cable reel comprises two side plates and a plurality of barrel plates, the outer wall of each barrel plate is provided with a connecting assembly, the inner wall of each side plate is fixedly connected with a limiting strip, and the limiting strips are fixedly connected with the connecting assemblies. A plurality of limiting strips are arranged on the outer wall of each side plate, a plurality of limiting assemblies are arranged in each limiting strip, a rotating handle is rotationally connected to the outer wall of each side plate, a rotating disc is rotationally connected to the interior of each side plate, a plurality of sliding grooves are formed in each rotating disc, and a fixing assembly is arranged in each rotating disc. The wedge-shaped groove and the wedge-shaped plate are arranged on the two sides of the cylinder body plate correspondingly, when centripetal pressure is generated by cable winding, connection is tighter after the matching faces of the wedge-shaped plate and the wedge-shaped groove are stressed, the overall structural rigidity and the anti-pressure capacity of the cylinder body are improved, and the cylinder body is prevented from collapsing; and meanwhile, the disassembled barrel body plates are in a sheet shape, so that stacking and transportation are facilitated, and the logistics cost is reduced.
Owner:BEIJING ZHONGHAI COMPOSITE MATERIALS CO LTD

Multi-objective optimization design method for metal wedge-shaped anchoring joint for clamping composite structure and related device

The application discloses a multi-objective optimization design method and related device for clamping a metal wedge-shaped anchoring joint of a composite structure, and relates to the technical field of anchoring of marine engineering composite material structures. The method comprises constructing a mechanical-bonding composite three-dimensional finite element model based on the geometric components of the metal wedge-shaped anchoring joint. Numerical simulation is performed on the multiple geometric design variables through experimental design, and key design variables affecting anchoring strength, clamping stress and joint weight are screened through variance analysis. The steepest ascent method is used to determine the optimization direction, and a quantitative mapping relationship between the design variables and the optimization objectives is constructed in the optimization region using the response surface method to establish a high-precision surrogate model. The maximum anchoring strength, the minimum clamping stress and the minimum joint weight are taken as the objectives, the surrogate model is used as an objective function evaluator, a multi-objective genetic algorithm is applied for collaborative optimization, an optimal solution set is obtained, and the optimal geometric structure parameter combination of the metal wedge-shaped anchoring joint is determined according to requirements.
Owner:OCEAN UNIV OF CHINA

Wedge-shaped block longitudinal slope and transverse slope regulator

The invention relates to the technical field of constructional engineering, and discloses a wedge-shaped block longitudinal slope and transverse slope regulator which comprises a central positioning shaft and a wedge-shaped block bottom die steel plate arranged on the central positioning shaft, and further comprises directional shafts circumferentially distributed on the periphery of the wedge-shaped block bottom die steel plate, the directional shaft can rotate in the circumferential direction relative to the wedge-shaped block bottom die steel plate. The adjusting blocks are fixedly installed at the outer ends of the orientation shafts respectively, each adjusting block comprises a longitudinal slope adjusting part used for longitudinal slope adjustment and a cross slope adjusting part used for cross slope adjustment, and the orientation shafts rotate to drive the adjusting blocks to adjust the longitudinal slopes and the cross slopes of the wedge blocks. The wedge-shaped block longitudinal slope and cross slope adjuster aims to solve the problems that in the prior art, wedge-shaped block longitudinal slope and cross slope adjustment is tedious, a locking mechanism is unreliable, mold shifting is prone to occurring, and the precision is not high.
Owner:CHINA RAILWAY 12TH BUREAU GRP HAINAN ENG CO LTD +1

Three-dimensional fabric with wedge-shaped structure and preparation method of three-dimensional fabric

According to the three-dimensional fabric with the wedge-shaped structure and the preparation method of the three-dimensional fabric, integrated preparation of the fabric with a gradient pore structure is achieved, and the purpose that a filtering material achieves efficient and low-resistance filtering performance is achieved. The three-dimensional fabric with the wedge-shaped structure is compact in fabric structure and good in integrity, and integrated and continuous porosity gradient change can be achieved. The wedge-shaped structure three-dimensional fabric obtained by the invention has excellent designability, has a greatly adjustable pore gradient structure in thickness, can realize high-efficiency low-resistance filtration of smoke, particles and the like, and has wide application prospects in the fields of filtration, protection and the like.
Owner:NANTONG CELLULOSE FIBERS CO LTD +2

Equipment for producing pellets

The present invention relates to an apparatus for producing granules, the apparatus comprising: a machine frame (1); a hollow outer column (2) supported in the machine frame and having a first axis of rotation (5); and an inner column (3) disposed in the outer column (2) and having a second axis of rotation (6), a wedge-shaped gap (4) being formed between the inner surface of the outer column (2) and the outer surface of the inner column (3), the outer column (2) and / or the inner column (3) having radial holes (16) for extruding material through, and a pivot arm (7) is provided on each side of the inner column (3), the inner column (3) being rotatably supported on the pivot arm. Each pivot arm (7) is supported on the machine frame (1) by a pivot bearing having a pivot axis (10) and is pivotable about the pivot bearing (10) by means of at least two actuators (11a, 11b, 11c).
Owner:迈克尔·沙伊德尔

Clamping structure for building steel bar tensile test

The utility model discloses a clamping structure for building reinforcement tensile test, which comprises a mounting rack, the top of the mounting rack is provided with a mounting groove, the back of the mounting groove is provided with a threaded rod in a penetrating manner, the mounting groove is in threaded connection with the threaded rod, and the front of the threaded rod is fixedly connected with a fixing head. And two symmetrical clamping blocks are arranged in an inner cavity of the mounting groove. The shifting plate is shifted to drive the sliding block to slide towards the direction of the fixing block, so that the spring is extruded to contract, when the sliding block enters the inner cavity of the sliding groove, the clamping block can be detached and replaced, the shifting plate is loosened, the spring is stretched, the spring pushes the sliding block to reach the top of the replaced clamping block, and the clamping block is replaced. Therefore, the wedge-shaped block in the wedge-shaped clamp can be limited through the limiting structure, the situation that a user needs to limit and fix the wedge-shaped block in the wedge-shaped clamp through a bolt and a clamping piece is avoided, and the purpose of improving the wedge-shaped block replacement efficiency is achieved.
Owner:JINXIANG COUNTY GOLD BUILDING MATERIALS TESTING CO LTD

Multifunctional detachable road structure

The multifunctional detachable road structure comprises a plurality of upper-layer steel plates and lower-layer steel plates, I-shaped supporting columns are arranged between the upper-layer steel plates and the lower-layer steel plates, every two adjacent upper-layer steel plates are connected with each other, and every two adjacent lower-layer steel plates are connected with each other; and the lower-layer steel plate is fixed underground through wedge-shaped nails. The multi-line steel plate (the upper-layer steel plate) is the upper surface of the road and bears all the pressure on the upper surface; the pressure cushion layer steel plate (lower layer steel plate) serves as a foundation, so that stress balance can be guaranteed, and sinking is avoided; all the components can be freely disassembled, and are flexible and free; the road is energy-saving and environment-friendly, can be repeatedly used and can be freely disassembled; installation on a construction site is fast and simple, time is short, and construction efficiency is improved.
Owner:BEIJING HUAFA REAL ESTATE CO LTD

A clamp for testing waterproof membrane

ActiveCN224274791Ueasy to cleanSolve technical problems that are inconvenient to cleanWork holdersClassical mechanicsMechanical engineering
This utility model provides a clamp for testing waterproof membrane rolls, including a lower body, an upper body, and a locking screw. The upper and lower bodies are each equipped with a detachable clamping plate, each with serrations. The upper and lower bodies each have a mounting groove, and the clamping plates have mounting portions. The upper and lower bodies also each have a mounting rod, a movable rod, and a first spring. The mounting portion has a mounting hole, and the first spring drives the mounting rod to extend into the mounting groove and pass through the mounting hole. The movable rod moves perpendicular to the mounting rod. The movable rod has a wedge-shaped portion, and the mounting rod has a sliding groove that mates with the wedge-shaped portion. When the movable rod moves, the wedge-shaped portion pushes the mounting rod away from the mounting groove and out of the mounting hole. This utility model solves the technical problem of inconvenient cleaning after adhesive substances adhere to existing clamps, resulting in the technical effect of easily removing the clamping plates for cleaning and preventing adhesive substances from affecting the stability of the clamping plates in holding the waterproof membrane.
Owner:HUBEI HUAYUAN JINGLAN WATERPROOF TECH CO LTD

Improved bicycle seat tube and frame packing structure

The utility model relates to an improved bicycle seat tube and frame packing structure which comprises a frame and a seat tube, a packing plug cavity communicated with an inner cavity of a vertical tube is formed at the joint of an inner cavity of an upper tube of the frame and the vertical tube of the frame, and a wedge-shaped convex block and a positioning concave block matched with the wedge-shaped convex block are respectively arranged in the packing plug cavity. The face, right facing the seat tube, of the wedge-shaped protruding block serves as a packing face, the positioning concave block and the wedge-shaped protruding block are connected through a connecting screw on the upper side of the mutual contact face, and a penetrating hole channel communicated with the packing plug cavity is obliquely formed in the position, connected with the vertical tube of the bicycle frame, of the bottom face of the upper tube of the bicycle frame. A threaded hole channel coaxial with the penetrating hole channel is formed in the positioning concave block, and a Kimi screw capable of abutting against the wedge-shaped protruding block is connected into the threaded hole channel in a threaded mode. The packing structure is completely hidden in the bicycle frame upper pipe, wind resistance can be effectively reduced, meanwhile, the Kimi screw is rotated to apply force to the wedge-shaped protruding block from bottom to top, the seat pipe is locked more easily, and the stability of the seat pipe is guaranteed.
Owner:SHANDONG TAISHAN RUIBAO COMPOSITE MATERIAL CO LTD

A device and method for split-molding a wedge-shaped metal honeycomb core bonded product

This invention discloses a molding apparatus and method for wedge-shaped metal honeycomb core adhesive products. The molding apparatus includes a tooling plate, multiple corner supports, segmented core molds, gaskets, a primary curing and equalizing plate, and a secondary curing and equalizing plate. The segmented core molds are placed along the inner walls of the beams and ribs of the wedge-shaped metal honeycomb core adhesive product. The multiple corner supports are fixed on the tooling plate and block one side of the segmented core molds. The gaps between the segmented core molds and the beams, ribs, and corner supports are adjusted using gaskets. After the wedge-shaped metal honeycomb core adhesive parts, core molds, and corner supports are assembled, secondary curing and molding are performed using the primary and secondary curing and equalizing plates. This invention solves the problems of mismatch between the wedge-shaped metal adhesive core mold and the parts, and uneven quality of the adhesive layer. It improves the quality of the manufactured parts while simplifying the assembly process, eliminating the need for continuous cold pressing to check the fit between the skin and the beams and ribs, and saving manufacturing time and money.
Owner:AVIC XIAN AIRCRAFT IND GRP CO LTD

Shifting fork punching device

The utility model relates to the technical field of shifting fork machining, in particular to a shifting fork punching device which comprises a machine frame, a driving assembly A, a pushing plate, a sliding block, a driving assembly B and a guide frame, a rotating disc is arranged on the machine frame, a plurality of storage grooves are formed in the rotating disc, and a punching assembly is arranged on the machine frame. The driving assembly A is arranged on the rack and drives the turntable to rotate; the pushing plate is arranged on the rack in a sliding mode, two wedge-shaped blocks elastically connected with the pushing plate are symmetrically arranged on the pushing plate, and the wedge-shaped blocks are connected with the clamping blocks; the sliding block is arranged on the pushing plate and abuts against the inclined faces of the two wedge-shaped blocks, the sliding block is connected with the connecting rod, the connecting rod is connected with the movable plate, and a tensioning assembly B is arranged between the pushing plate and the movable plate; the driving assembly B is arranged on the rack and drives the movable plate to slide; the guide frame is arranged on the pushing plate, and the height of the guide frame is adjustable. Rapid feeding, discharging and machining are achieved through the structure of the rotating disc, and rapid clamping and positioning of the shifting fork are achieved through the structure of the pushing plate, the clamping block and the pressing plate.
Owner:CHONGQING JUNJIE MASCH MFG CO LTD

Optical cable strain clamp

The invention provides an optical cable strain clamp, and relates to the technical field of communication equipment.The cable clamp comprises a shell body and at least two oppositely-arranged inner wedge-shaped clamping blocks, a through channel is formed in the shell body, and an axial notch is formed in the side wall of the shell body; the inner wedge-shaped clamping block is slidably arranged in the shell main body, the outer surface of the inner wedge-shaped clamping block and the inner wall of the shell main body form a slope sliding pair, and the wire clamp further comprises an anchoring connection unit and tail end locking structures symmetrically arranged at the tail end of the shell main body; during installation, an optical cable is pressed between the inner wedge-shaped clamping blocks from the axial notches, and the inner wedge-shaped clamping blocks are pushed to move forwards to realize primary clamping; when the optical cable bears tensile force, the inner wedge-shaped clamping block slides along the inclined plane and locks the optical cable in the radial direction. And meanwhile, the pulling force of the anchoring connecting unit acts on the tail end locking structure, so that the tail end locking structure clamps the tail part of the inner wedge-shaped clamping block, and the holding force is further enhanced. The device has the advantages of lateral cable entry, reliable self-locking, strong holding force, convenience in installation and the like, and is suitable for tension anchoring occasions of communication optical cables.
Owner:YOSHIHIRO COMM EQUIP GRP CO LTD