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158results about How to "Guaranteed support strength" patented technology

Heat removal distribution structure for isononyl alcohol hydroformylation reactor

The invention provides a heat extraction distribution structure for an isononyl alcohol hydroformylation reactor, and relates to the technical field of isononyl alcohol hydroformylation reactors, the heat extraction distribution structure comprises an inner tube box and an outer tube box, the inner tube box is arranged in the outer tube box, a heat extraction medium inlet cavity is formed in the inner tube box, and a heat extraction medium outlet cavity is formed between the inner tube box and the outer tube box; the heat exchange pipes are U-shaped pipes, a heat removal medium inlet and a heat removal medium outlet are formed in the two ends of each heat exchange pipe correspondingly, and the heat removal medium inlets and the heat removal medium outlets communicate with the heat removal medium inlet cavity and the heat removal medium outlet cavity correspondingly; the distribution plate is provided with a plurality of positioning through holes and a distribution structure, and each heat exchange tube penetrates through two positioning through holes; the problems that in the prior art, a gas-liquid up-flow type bubbling bed reactor is not internally provided with internal components, gas distribution and heat extraction cannot be achieved, and the conversion rate of reaction is low are solved.
Owner:SINOPEC ENGINEERING INCORPORATION +1

Box girder bottom plate maintenance robot and maintenance method

A box girder bottom plate maintenance robot comprises two storage areas and a robot body, the robot body comprises a mounting frame, a first connecting arm, a second connecting arm and a third connecting arm, two rows of supporting wheels are arranged in the mounting frame, the first connecting arm is fixed to the top of the mounting frame, a coil is wound around the first connecting arm, the first connecting arm is electrically connected with a power source, and a first electromagnet is formed; the horizontal section is clamped between the two rows of supporting wheels, the two vertical sections extend out of the mounting frame, are wound with coils respectively and are electrically connected with a power supply to form a second electromagnet, the third connecting arm is of an L-shaped structure, the vertical sections are arranged at the bottom of the mounting frame, the extending end of the horizontal section exceeds the projection range of the mounting frame, and a camera is arranged. The storage area comprises a belt conveying mechanism, the extending direction is perpendicular to the length direction of the box girder, and a belt of the belt conveying mechanism is flush with the bottom of the mounting frame. The device is simple in structure, low in maintenance cost and capable of effectively meeting the maintenance requirements of the box girder bottom plate.
Owner:CHONGQING ARCHITECTURAL DESIGN INST CO LTD

Small-space site foundation pit supporting system and construction method thereof

The invention discloses a small-space site foundation pit supporting system which comprises supporting walls located on the edge of a foundation pit, latticed columns vertically arranged in the foundation pit and horizontal supporting steel pipes transversely supported between the supporting walls on the opposite sides. A supporting platform used for being connected with the horizontal supporting steel pipes and vertically supporting the horizontal supporting steel pipes is arranged at the tops of the latticed columns. The invention further discloses a construction method for the small-space site foundation pit supporting system. According to the method, excavation and construction of the supporting system are carried out at the same time in a horizontal steel pipe supporting mode, so that supporting and excavation of the foundation pit are completed under the condition that existing surrounding buildings are not affected; the supporting platform is arranged on the latticed column, limiting and fixing of the horizontal steel pipe support or the inclined steel pipe support in the horizontal direction and the height direction are guaranteed, and then the supporting strength of the horizontal steel pipe support or the inclined steel pipe support is guaranteed.
Owner:CHINA METALLURGICAL CONSTR ENG GRP

Cantilever crane device and engineering machinery

The invention provides an arm support device and engineering machinery, and the arm support device comprises an arm support structure with a first end hinged to a first hinge point of a rotary table; the first end of the variable-amplitude oil cylinder is hinged to the second hinge point of the rotary table, and the second end of the variable-amplitude oil cylinder is hinged to the third hinge point of the arm support structure; the first end of the auxiliary oil cylinder is hinged to a fourth hinge point of the rotary table, the second end of the auxiliary oil cylinder is hinged to a fifth hinge point of the arm support structure, the variable-amplitude oil cylinder and the auxiliary oil cylinder are used for synchronously driving the arm support structure to rise an arm, the fourth hinge point is located between the first hinge point and the second end of the arm support structure, and the fourth hinge point is arranged close to the first hinge point. According to the cantilever crane device, the variable-amplitude oil cylinder and the auxiliary oil cylinder are installed on the rotary table, the variable-amplitude oil cylinder and the auxiliary oil cylinder are supported through the rotary table, the variable-amplitude oil cylinder and the auxiliary oil cylinder are matched to jointly conduct arm lifting driving on the cantilever crane structure, insufficient arm lifting thrust is avoided, and meanwhile the supporting strength can be ensured; and the safety and the reliability of arm lifting of the arm support structure are ensured.
Owner:ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY CO LTD

Hydraulic motor assembling production line

The invention relates to the technical field of hydraulic motors, in particular to a hydraulic motor assembling production line. A hydraulic motor assembly production line comprises a conveying line used for conveying workpieces; the overturning press-fitting station is arranged on the conveying line, and after the overturning press-fitting station conducts primary press-fitting on the workpieces, the workpieces are overturned, and then secondary press-fitting is conducted; and the cover closing and torque hitting station is arranged on the conveying line, the cover closing and torque hitting station is located on the downstream of the overturning press-fitting station, and the cover closing and torque hitting station conducts cover closing and torque hitting on the pressed workpieces. The technical problems that in the prior art, in the hydraulic motor assembling process, repeated carrying is needed, the assembling difficulty is large, and the precision is low are solved.
Owner:CHANG ZHOU HENG CHI ZHI NENG KE JI YOU XIAN GONG SI

Soft and hard composite secant pile and construction method thereof

The soft and hard combined type secant pile comprises a plurality of soft piles and a plurality of hard piles which are arranged in a staggered mode, the hard piles are prefabricated annular pipe piles, and the soft piles are plain concrete piles; parts of circumferences of the adjacent hard piles and soft piles are crossed and embedded, and an annular crushing area is formed at the joint face of the hard piles and the soft piles. A plurality of grouting holes are formed in the peripheral side of the hard pile at intervals and are arranged in the length direction of the hard pile in a full-length mode, and a curing agent is jetted in the annular crushing area through the grouting holes in a high-pressure mode. The formed secant pile is high in supporting strength and good in water seepage prevention effect.
Owner:THREE GORGES ZHUJIANG POWER GENERATION CO LTD +1

Bottom supporting piece, battery cell, battery pack and power utilization device

The utility model provides a cork base piece, battery cell, battery pack, electricity utilization device, the cork base piece includes: cork base piece body, has opposite first surface and second surface, on the first surface is provided with first vent groove, the first vent groove passes through the two edge of first surface along the first direction, the first vent groove passes through the second surface along the second direction, the second vent groove passes through the second surface along the second direction. The second surface is provided with a second exhaust groove, and the second exhaust groove penetrates through the two edges of the second surface in the second direction. According to the utility model, the first exhaust groove and the second exhaust groove are respectively formed in the first surface and the second surface which are arranged back to back, so that the plane shape of the bottom supporting sheet is changed, the air permeability of the bottom supporting sheet is improved, the pressure can be released in time when a violent reaction occurs in the battery cell, and the pressure release capability of the battery cell is improved.
Owner:EVE POWER CO LTD

Supporting steel bar and latticed column connecting and assembling structure in deep foundation pit supporting construction

The utility model relates to a supporting steel bar and latticed column connecting assembly structure in deep foundation pit supporting construction, a latticed column comprises angle steel and batten plates, the angle steel is distributed at four corners, adjacent angle steel is connected together through the batten plates, and the connecting assembly structure comprises an inner positioning plate, an outer positioning plate and connecting bolts. The inner positioning plate is clamped on the inner side between the angle steel in a matched mode, the outer positioning plate is located on the outer side of the angle steel, the inner positioning plate and the outer positioning plate are provided with corresponding connecting holes and positioning holes, the connecting bolts are fixedly arranged in the connecting holes in a matched and matched mode, and the inner positioning plate and the outer positioning plate are combined and fixed to the two opposite sides of the latticed column. The positioning holes are used for allowing the supporting steel bars to penetrate through in a positioning mode. The two positioning plates are fixed through the connecting bolts, a fixing foundation is provided for the structure through clamping and fixing, the structure is prevented from moving up and down and inside and outside, the inner positioning plate is clamped in the latticed column in a matched mode, the inner positioning plate is prevented from swinging left and right, a steel bar in the middle is bent to pass through the positioning holes, and it is ensured that the position of the steel bar is determined.
Owner:CHINA CONSTR SEVENTH ENG DIVISION CORP LTD

Automobile fan heater mounting structure and automobile

The invention discloses an automobile warm air blower mounting structure and an automobile, and belongs to the technical field of automobile heating, the automobile warm air blower mounting structure comprises a double-layer floor structure, the double-layer floor structure comprises an upper floor and a lower floor, the upper floor is laterally viewed to form a two-stage step structure, and the two-stage step structure is fixed on the lower floor which is laterally viewed to form an approximately L-shaped structure to form a step structure with a hollow cavity; an air outlet is formed in the vertical end face of the upper floor, the lower floor comprises a fan heater mounting frame, and the fan heater mounting frame is contained in the hollow cavity of the step and is adjacent to the air outlet. The double-layer floor forms a step structure, the fan heater is installed in the step structure and supplies air from the air outlet in the side wall of the step, and the seat is installed on the step, so that the lower limbs of passengers are prevented from being directly blown by the fan heater, and the passengers feel more comfortable; the height of the step can be suitable for warm air blowers with different heights; the warm air blower is mounted in the floor, so that more activity space can be obtained for legs, and the shape and the function of the seat are not limited any more; the double-layer floor structure is composed of aluminum alloy and polypropylene cellular boards, and energy conservation, emission reduction and light weight are achieved.
Owner:CHINA FAW CO LTD

A mold for manufacturing a shoulder joint spacer and a method of manufacturing the same

The application discloses a mold for manufacturing a shoulder joint spacer and a preparation method thereof, belongs to the technical field of shoulder joint spacer preparation, and solves the problems of uneven distribution of medicine application grooves and the inability to flexibly adjust the size, length and the like according to requirements, and comprises a lower mold box, an upper mold box, an intramedullary bone cement silica gel forming adjusting mold and a ball head forming adjusting mold which are sleeved in the lower mold box and the upper mold box, a pouring gate which is arranged on the lower mold box and the upper mold box, a plugging plug which is arranged in the pouring gate, a first positioning support column and a second positioning support column which are arranged in the lower mold box, a third positioning support column and a fourth positioning support column which are arranged in the upper mold box, and a metal support rod which is arranged on the axial center lines of the intramedullary bone cement silica gel forming adjusting mold and the ball head forming adjusting mold; and the intramedullary bone cement silica gel forming adjusting mold and the ball head forming adjusting mold are uniformly provided with protruding portions.
Owner:SICHUAN HESHUN MEDITECH CO LTD +2

Full-section automatic anchoring and protecting integrated robot for coal mine tunnel

The invention discloses a coal mine tunnel full-section automatic anchoring and protecting integrated robot which comprises a walking module, a power source and control module, a laser radar positioning module, a net storage module, a net taking module, a net conveying module, a net laying module and an anchoring module, all the modules cooperate with one another, and automatic anchoring and protecting operation is achieved. The robot is started through remote control and enters a roadway, and the laser radar positioning module conducts three-dimensional scanning on the roadway so as to achieve accurate positioning and navigation. In the anchor protection area, a net conveying module conveys the anchor net to a net laying module, and a net laying manipulator lays the anchor net on a top plate and a side wall area; meanwhile, the anchoring module reinforces the roadway and the anchor net through an anchor rod drilling machine; when the anchor net is used up, the net storage module, the net taking module and the net conveying module automatically supplement a new anchor net, and continuous anchor protection operation is guaranteed; according to the invention, the automation degree of roadway anchor protection operation is improved, the labor intensity of workers is reduced, and the safety and the supporting stability are improved.
Owner:LIAONING TECHNICAL UNIVERSITY

Elliptical thin-walled cabin section additive manufacturing profile accuracy control method

ActiveCN117415337BRealize full surface controlshorten production time
This invention relates to a method for controlling the surface accuracy of elliptical thin-walled compartments in additive manufacturing, belonging to the field of additive manufacturing technology. Addressing the challenges of surface control in additive manufacturing and post-processing of elliptical thin-walled compartments, this invention proposes a surface accuracy control method based on an internally supported dimensional structure. This method includes steps such as additive manufacturing model design of the elliptical compartment and its internally supported dimensional structure, integrated additive design, thermal processing, machining, and removal of the internally supported dimensional structure. The method applies the control of the internally supported dimensional structure extension used in additive manufacturing to the post-processing stage, achieving full-process surface control from additive manufacturing to post-processing, saving product manufacturing time and improving the overall efficiency of additive manufacturing.
Owner:BEIJING HANGXING MACHINERY MFG CO LTD

Wearable passive upper limb assisting exoskeleton prosthesis

The invention discloses a wearable passive upper limb power-assisted exoskeleton prosthesis, and belongs to the technical field of wearable power-assisted equipment. The exoskeleton artificial limb comprises a waist supporting assembly worn on the waist, a shoulder supporting assembly worn on the shoulder and connected with the waist supporting assembly through a bandage, two back supporting assemblies symmetrically arranged on the two sides of the back and connected with the waist supporting assembly and the shoulder supporting assembly, and two power assisting devices symmetrically installed at the upper ends of the back supporting assemblies on the two sides. The two arm supporting assemblies are symmetrically worn on the two arms and connected with the supporting arms of the power assisting device. The lower end of the back supporting assembly is hinged to a fixing base of the waist supporting assembly, and the moving freedom degree of the back supporting assembly is increased. The power assisting device provides supporting force through pre-tightening force of an S-shaped volute spiral spring, the power assisting range is widened, and labor is saved during adjustment. The power assisting device is simple in structure, light in weight, good in wearing comfort and particularly high in movement freedom degree, and the power assisting size can be adjusted without tools.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Roof photovoltaic support and photovoltaic building with same

The utility model relates to the technical field of photovoltaic assemblies, in particular to a roof photovoltaic support and a photovoltaic building with the same, and the roof photovoltaic support comprises a plurality of groups of supporting stand columns arranged at intervals; the supporting main beam is fixedly installed at the top of the supporting stand column, a photovoltaic module is suitable for being installed on the supporting main beam, and the end of the supporting main beam extends to one side of the supporting stand column to form an overhanging part; one end of the main beam inclined strut is fixedly installed on the supporting stand column, and the other end of the main beam inclined strut is installed on the overhanging part of the supporting main beam. The cantilever part of the main beam is supported through the main beam inclined strut, an additional reinforcing structure between the supporting stand column in the middle and the supporting main beam is omitted, and the situation that the mounting position of the photovoltaic module is limited by the additional reinforcing structure in the photovoltaic module mounting process can be avoided; the installation of the photovoltaic assembly on the top of the roof photovoltaic support can be effectively simplified.
Owner:SHENZHEN SKYWORTH AIR CONDITIONING TECH CO LTD

Energy storage and release structure of buffer roller

The utility model belongs to the technical field of conveyors, and particularly relates to an energy storage and release structure of a buffer roller, which comprises a carrier roller, two ends of the carrier roller are rotatably mounted on a bearing seat, the bearing seat is mounted on a buffer component, the buffer component comprises an upper connecting seat, and two ends of the upper connecting seat are rotatably connected with the upper end of an upper connecting arm through pin shafts. The bottom end of the upper connecting arm is rotationally connected with two oppositely-arranged side connecting bases through pin shafts, the bottom ends of the side connecting bases are rotationally connected with the top end of the lower connecting arm through pin shafts, the bottom end of the lower connecting arm is rotationally connected with the lower connecting base through pin shafts, and energy absorption buffering assemblies are installed on the side connecting bases. After the carrier roller is impacted by materials to move downwards, the upper connecting seat stably moves downwards under the support of the connecting rod mechanism below, at the moment, the energy storage spring absorbs energy, the piston bears the resistance of the damping oil when moving, so that the carrier roller descends in a buffering mode, and the energy storage spring can be matched with the damping effect of the damping oil later to slowly release kinetic energy to enable the carrier roller to move upwards and reset.
Owner:ANHUI DEJI HUIJIN MASCH TECH CO LTD

Construction method of corrugated plate support structure and subway cross passage

The present invention relates to the field of subway channel support, and specifically, to a construction method of a corrugated plate support structure and a subway cross channel. The construction method of the corrugated plate support structure includes the following steps: step one, breaking the upper step of the horse head door; step two, erecting the first ring waist beam of the upper step; step three, erecting the corrugated plate of the upper step, erecting the ring waist beam of the upper step, and installing the longitudinal channel steel; step four, stopping the construction after the upper step is constructed for a certain distance; step five, breaking the lower step of the horse head door; step six, erecting the first ring waist beam of the upper step; step seven, erecting the corrugated plate of the upper step, erecting the ring waist beam of the upper step, and installing the longitudinal channel steel; step eight, after forming a ring, backfilling and grouting behind the corrugated plate; step nine, looping steps one to eight. The present invention greatly improves the overall support strength of the cross channel by setting the inner support ring belt and the outer support ring beam, thereby ensuring the support effect of the cross channel.
Owner:CHINA RAILWAY BEIJING ENG GRP CO LTD +5

A floating bed frame and a floating soft bed using the same

ActiveCN224639371UImprove the sense of qualityeasy to hide
The utility model relates to a kind of suspension bed frame and the suspension soft bed of application thereof, solve the problem that the supporting leg of bed frame or bed product is exposed and affects visual effect existing in prior art, the technical scheme used is: including bed board, the supporting leg of supporting bed board, and the bed backrest being set in the one end of the bed board, it is characterized in that the three edges of the bed board are provided with the bed frame enclosed by left side plate, right side plate and tail plate, the bed backrest closes the opening of the bed frame, the lower end of the bed frame is higher than the lower end of the supporting leg, and the bed frame hides the supporting leg.Its effect: by bed backrest and bed frame cooperation, so that bed frame or bed product is used, supporting leg is hidden in the interior of bed frame, not bare, form "suspension" effect, to improve the overall quality of bed frame, bed product and bed product use space.
Owner:XILINMEN DESIGN CENTER MILAN LTD

Efficient soil sampling mechanism for mountain geological survey

The invention discloses an efficient soil sampling mechanism for mountain geological survey, which relates to the technical field of geological sampling and comprises a supporting assembly, a sampling assembly and a pressing assembly. The supporting assembly comprises a supporting table and a side supporting frame with an adjustable inclination angle, and the lower end of the side supporting frame is connected with a supporting seat with a groove through a rotatable connecting seat, so that stable supporting is achieved, and the supporting assembly is matched with the irregular earth surface; the sampling assembly is in threaded connection with the sampling tube and the extension rods through the top cover and is fixed through short bolts, so that the multiple extension rods can be spliced to adapt to deep sampling; the downward pressing assembly applies downward pressure through a U-shaped downward pressing plate and a pedal and is matched with a supporting rod protection part, a driving ring and a rotating disc to drive a sampling pipe to rotate and drill into a soil layer. The mechanism can avoid sampling deviation, improves supporting stability and operation labor-saving performance, is convenient for component maintenance, effectively solves the problems of low mountain soil sampling efficiency and poor stability, and is suitable for mountain geological survey scenes.
Owner:四川省第十一地质大队

Single-side formwork supporting structure for secondary butt joint

The invention relates to a single-side formwork structure for secondary butt joint, which comprises a first vertical rod, a second vertical rod, a third vertical rod and a fourth vertical rod, the second vertical rod is detachably arranged on the first vertical rod, a second cross rod is horizontally arranged at the bottom of the second vertical rod, and the second cross rod and the first cross rod are oppositely arranged; the supporting rod is arranged between the second cross rod and the second vertical rod in a position-adjustable manner; the first cross rod and the second cross rod are arranged in parallel, the telescopic rod is arranged between the first cross rod and the second cross rod in a position-adjustable mode, the telescopic rod is connected with the end of the supporting rod, bolts are inserted into the second cross rod, the supporting rod and the telescopic rod so as to fixedly connect the supporting rod and the telescopic rod, the structure is simple, and operation is convenient.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD

Mars exploration landing platform structure with complex and heavy loads

A Mars exploration landing platform structure that withstands complex and large loads has a Mars rover interface on the top surface of the top plate, and rear-buried connecting seats for connecting to the reinforcing beam in the back cover are arranged at the four corners; four diagonal brace brackets are installed on the back of the top plate, and the position of one end of the diagonal brace bracket connected to the top plate corresponds to the position of the rear-buried connecting seat; side panels are installed between adjacent diagonal brace brackets, and the side panels form the side surfaces of an inverted trapezoidal quadrangular pyramid, and the diagonal brace brackets are located at the edge positions of the quadrangular pyramid; landing buffer mechanism interfaces are respectively arranged on the four side edges, and buffer corner boxes are installed inside the side panels at the interface positions; partitions are installed at the buffer corner box positions for transmitting force to the bottom plate, and the three sides of the partitions are respectively connected to the bottom plate, the side plates, and the top plate, and the fourth side is suspended, and an auxiliary support corner box is installed at the junction of the suspended side and the top plate; the interior of the inverted trapezoidal quadrangular pyramid is used to install an engine and a tank, and the bottom plate is connected to the side edges and the diagonal brace brackets; a bracket positioning seat is installed on the diagonal brace bracket for connecting to the large bottom interface.
Owner:BEIJING INST OF SPACECRAFT SYST ENG

Anti-pressing medicine packaging box

The utility model relates to the field of medicine packaging boxes, and discloses an anti-pressure medicine packaging box which comprises an outer shell, a folding part used for containing an ampere bottle is arranged in the outer shell, a drawing structure is arranged in the area, located on the innermost side of the outer shell, of the folding part, and the drawing end of the drawing structure extends to an opening of the outer shell. A continuous V-shaped structure is formed by folding parts in the packaging box and the connecting transverse plates through the inclined paperboards, and a triangular supporting system is formed by the adjacent inclined paperboards and the inner wall of the shell. According to the geometric structure, external extrusion force can be decomposed into component force in multiple directions, the stability principle of a triangle is utilized, the pressure is evenly dispersed to the whole packaging frame, and local stress of the ampere bottles is avoided. Tests show that compared with a traditional buffer cotton package, the anti-extrusion strength of the structure is improved by more than 60%, and the risk of bottle body breakage in the transportation process is effectively reduced.
Owner:ZHEJIANG TIEGE PRINTING CO LTD

A prefabricated steel structure node and a prefabricated steel structure column

The present invention relates to the technical field of steel structure connection, and in particular to an assembled steel structure node and an assembled steel structure column. An assembled steel structure node comprises: a first mounting member (1) and a second mounting member (2) spliced ​​to each other, wherein the first mounting member (1) and the second mounting member (2) are spliced ​​along the assembly direction of a steel structure column (5), and the first mounting member (1) and the second mounting member (2) are used to be respectively fixedly installed with two steel structure columns (5) to be assembled; a first connecting member (3) and a second connecting member (4) are respectively arranged at predetermined positions of the first mounting member (1) and the second mounting member (2), and are plugged and fixed along the assembly direction of the steel structure column (5) through a first plug-in portion (8) and a second plug-in portion (10). The present invention provides an assembled steel structure node and an assembled steel structure column which have high construction efficiency and structural strength and are convenient for later decoration.
Owner:HUADIAN HEAVY IND CO LTD

Particle stent for portal vein, particle stent for cavity and kit thereof

The present invention discloses a particle stent for portal vein, a particle stent for cavity and a kit thereof. The particle stent includes a fixing portion; a first parallel portion, including a plurality of first edges parallel to the length direction of the particle stent; a second parallel portion, including a plurality of second edges parallel to the length direction of the particle stent; a supporting portion, extending along the circumferential direction of the particle stent to provide radial supporting force for the first edge and the second edge; a particle filling portion, wherein each group of nickel-titanium alloy wires are mutually wound from the first end to the support starting point to form a first edge; and the first edge is dispersed into two nickel-titanium alloy wires from the support starting point, each nickel-titanium alloy wire is bent at the support end point, and is mutually wound with the adjacent group of nickel-titanium alloy wires from the support end point to the second end to form a second edge. The particle stent can not only realize the precise arrangement of radiation particles, but also avoid the displacement of cancer thrombi.
Owner:NANJING RONGSHENG MEDICAL TECH CO LTD

Corrugated steel reinforced profile steel member

The utility model provides a corrugated steel reinforced type steel member which comprises corrugated steel and a lower flange, a plurality of first connecting holes are formed in the wave trough position of the corrugated steel, a plurality of second connecting holes are formed in the lower flange, and the second connecting holes correspond to the first connecting holes one by one and can be connected with the first connecting holes through bolt assemblies. An upper flange is supported above the lower flange through a side web plate and / or a middle web plate, the upper flange is arc-shaped, the arc shape of the upper flange conforms to the waveform of the corrugated steel, and the upper flange is supported below the wave crest of the corrugated steel. The upper flange is supported through the side webs and / or the middle web, the supporting strength is guaranteed, the upper flange is in an arc shape conforming to the waveform of the corrugated steel, the contact area between the upper flange and the corrugated steel is greatly increased, stress concentration cannot be caused, and the stability of the waveform can be guaranteed; after the lower flange is connected with the corrugated steel through the first connecting holes and the second connecting holes, as the transverse pitch is the pitch of a standard waveform, the pitch of the waveform can be controlled and the deformation of the lower flange can be limited after the lower flange is mounted.
Owner:HENGSHUI YITONG PIPE IND CO LTD

Porous lightweight crash support assembly for a vehicle frame assembly

The utility model relates to the technical field of frame support, concretely is the light weight anticollision support subassembly of frame assembly, including the support beam of installing in the side surface of longitudinal beam, and the both ends of longitudinal beam are connected with the crossbeam for fixing longitudinal beam, the outer surface of support beam is equipped with through -hole, the upper surface of support beam is equipped with guide slot, in the utility model, the plug -in column is inserted with the side surface of longitudinal beam, ensures that support beam can be connected to the longitudinal beam quickly and firmly, through this mode, the assembly personnel can complete the installation of support beam in short time, lay the foundation for the subsequent fastening work, the guide rod penetrates support beam, plays the guiding role in the installation process, ensures that support beam can move to the predetermined position, through the electric wrench screwing screw column, can adjust the interval between extruding seat and support beam, makes the angle between articulated rod and support beam reduce, namely can make the plug -in column of socket outward slide and complete, complete the quick -mounting of device.
Owner:YANGZHOU JINZHIXING MASCH CO LTD

Vehicle girder structure

The utility model discloses a vehicle girder structure which comprises longitudinal beams, cross beams and a reinforcing beam, a plurality of cross beams are fixed on the two longitudinal beams, the reinforcing beam is further fixed at one end of each longitudinal beam, and the reinforcing beam is located on the end portion of a girder close to a vehicle head. The stiffening beam is located at the head position of the girder, the stiffening beam needs to be connected with a vehicle head at the position, the number of functional components is large, a vehicle can be provided with a mechanism for supporting a compartment to tilt at the position, and therefore the damage risk of the girder at the position is large. The reinforcing beam is fixed between the two longitudinal beams, the bearing capacity and the shear and deformation resistance are enhanced, after reinforcement, larger prestress can be borne, other functional components can be installed at ease, the connection performance with a vehicle head is enhanced, the safety coefficient is improved, and the service life is longer.
Owner:阿皮孜·玉散

A power generation system based on the conversion of offshore wind energy into gas internal energy and buoyancy potential energy

This utility model relates to a power generation system based on the conversion of offshore wind energy into gas internal energy and buoyancy potential energy. Its features include: a surface platform, an exhaust module, a buoyancy circulation module, an inflation module, a wind-powered air supply module, and a generator; independent central inner and outer shaft structures are connected to the wind shield and blades respectively, and a wind-guiding wall is installed on the wind shield to improve wind energy utilization efficiency; the rotational kinetic energy of the wind-powered rotation module is used to achieve bidirectional booster pumping of gas into the storage tank through a crank-connecting rod structure formed by a drive gear, driven gear, and drive rod; the buoyancy of the cyclic inflation and deflation of the balloon drives the rotation of the circulation chain, which in turn drives the generator to generate electricity; wind power is used for gas compression and storage to provide a power source for the buoyancy circulation module; it can continuously convert wind energy into gas internal energy and buoyancy potential energy; achieving efficient wind energy power generation.
Owner:HAIAN HUADA PETROLEUM INSTR CO LTD

Isononyl alcohol hydroformylation reactor

The present invention provides an isononyl alcohol hydroformylation reactor, and relates to the technical field of isononyl alcohol hydroformylation reactors, the isononyl alcohol hydroformylation reactor comprises: a housing, the lower part of the housing is provided with a reactant inlet, and the side wall of the upper part of the housing is provided with a reactant outlet; the diffusion device is arranged in the shell and is positioned above the reactant inlet; the distribution device is arranged in the shell and is positioned above the diffusion device; the heat exchange distribution structure is arranged in the shell and located above the distribution device, the heat exchange distribution structure comprises a plurality of heat exchange pipes and at least one distribution plate, the axes of the heat exchange pipes are parallel to one another, the heat exchange pipes are annularly distributed along a plurality of concentric virtual circumferences, the distribution plate is provided with a plurality of positioning through holes and a distribution structure, and the positioning through holes are communicated with the distribution structure. The plurality of heat exchange tubes are respectively arranged in the plurality of positioning through holes in a penetrating manner; the isononyl alcohol hydroformylation reactor solves the problems of non-uniform distribution of gas and liquid reactants, serious back-mixing phenomenon in the reaction process and low reaction conversion rate of the isononyl alcohol hydroformylation reactor in the prior art.
Owner:SINOPEC ENGINEERING INCORPORATION +1

Plate and pipe cutting all-in-one machine with double-end laser cutting function

The utility model provides a double-end laser cutting plate and pipe cutting all-in-one machine, relates to the field of laser cutting equipment, and adopts the technical scheme that the double-end laser cutting plate and pipe cutting all-in-one machine comprises a lathe bed I and a lathe bed II, the lathe bed II is arranged on one side of the lathe bed I, a cross beam is movably arranged on the lathe bed I, and a laser cutting assembly I is movably arranged on the cross beam; the moving direction of the first laser cutting assembly is perpendicular to the moving direction of the cross beam, the first laser cutting assembly can move to the upper portion of the second lathe bed, a first chuck, a second chuck and a third chuck are sequentially arranged on the second lathe bed, a portal frame is movably arranged between the first chuck and the second chuck, and the moving direction of the portal frame is parallel to the moving direction of the cross beam. A second laser cutting assembly is movably arranged on the portal frame, and the moving direction of the second laser cutting assembly is parallel to the moving direction of the first laser cutting assembly. The two ends of the pipe can be cut at the same time, and the machining efficiency is high.
Owner:JINAN BODOR LASER CO LTD