74results about How to "Strong structural reliability" patented technology

The invention discloses a metal pouring die of a hydraulic core pulling structure. The metal pouring die comprises an upper die frame, a lower die frame, an upper die core and a lower die core, wherein the upper die frame and the lower die frame are vertically fastened, the upper die core is embedded on the bottom face of the upper die frame, the lower die core is embedded on the top face of the lower die frame, the upper die core and the lower die core form a forming cavity of the metal pouring die when being vertically matched, a first-side core pulling component and a second-side core pulling component are allocated on the left side and the right side of the lower die frame respectively, and a third-side core pulling component and a fourth-side core pulling component are allocated on the front side and the rear side of the lower die frame respectively. According to forming complexity of the metal pouring die, the core pulling components are independently allocated on four sides of the die, so that the metal pouring die is reasonable in design, flexible to operate and suitable for convenient manufacturing of different models. The core pulling components are driven by hydraulic oil, so that the metal pouring die is high in automation degree, direct in control, high in working efficiency and low in labor cost. The metal pouring die is controlled by travel switches, and core pulling strokes are designed to be adjustable, so that the metal pouring die is convenient and fast to operate and wide in application range.

The invention provides a micro-electromechanical system (MEMS) microphone and a packaging method of the MEMS microphone. The MEMS microphone comprises a circuit board substrate, a hollow circuit board frame, a cover, an MEMS acoustic chip and an application specific integrated circuit (ASIC) chip, wherein the circuit board substrate, the hollow circuit board frame and the cover form an MEMS microphone frame structure; the MEMS acoustic chip and the ASIC chip are arranged in the MEMS microphone frame structure; the circuit board substrate and the cover are fixedly arranged on the upper and lower surfaces of the circuit board frame respectively; the MEMS acoustic chip and the ASIC chip are arranged on the circuit board substrate and the cover respectively; and the chips on the cover are electrically connected with the circuit board frame through a metal wire. By the MEMS microphone and the packaging method of the MEMS microphone, the mounting positions of the MEMS acoustic chip and the ASIC chip of the MEMS microphone are flexibly regulated, and different design requirements can be met; and the MEMS microphone with the structure is low in manufacture cost and high in structural reliability.

The invention discloses an improved advance support body. The improved advance support body comprises a roof support body and a floor support body; the roof support body comprises an advanced hydraulic support (1), a cylindrical pressure-bearing array (2) and a lubricating brush (8), wherein the lubricating brush (8) comprises a fixing rod (801), supporting rods (802), an oil tank (803) and a cylindrical brush (804); the floor support body comprises a bearing block (9), an anti-drilling bottom baffle plate (10) and a guide plate (11); the bearing block (9) is connected with the front end of a base of the advanced hydraulic support (1); a fixed groove (12) which penetrates vertically is formed in the middle of the bearing block (9). The improved advance support body disclosed by the invention has a simple structure, and is reliable and practical.

The invention discloses an advanced supporting system for bolt-mesh supporting. The advanced supporting system comprises a floor supporting body and a roof supporting body. The floor supporting body comprises a bearing block (9), a floor drilling preventing baffle (10) and a guiding plate (11), a vertically-through fixing groove (12) is formed in the middle of the bearing block (9), the guiding plate (11) is arranged in the fixing groove (12), and the floor drilling preventing baffle (10) is an arc plate. The roof supporting body comprises a front top beam protecting plate arranged at the front end of a top beam of an advanced hydraulic support (1), a rear top beam protecting plate arranged at the rear end of the top beam of the advanced hydraulic support (1), and a cylindrical pressure-bearing row (2), and the front top beam protecting plate comprises a plate-type pressure-bearing baffle (4) and a bar-type containing hopper (5). The advanced supporting system is simple in structure, low in cost and easy and convenient to operate.

An ocean wave force monitoring device disclosed by the present invention belongs to the signal monitoring technology field, and comprises a buoyancy column, a guiding rod, a sealing head, a sleeve, adrying agent, a fixing support, a connecting clamp, an elastic film, a strain gauge, a signal line, an A/D converter and a water storage tank. When the ocean waves pass the buoyancy column, and underthe action of the buoyancy, the buoyancy column drives the guiding rod to move up and down in a sliding cavity and further drives the elastic film connected at the bottom to telescope. According to the ocean wave force monitoring device provided by the present invention, the strain gauge on the elastic film real-timely outputs the strain signals of the elastic film, and the A/D convert converts anelectric signal into a digital signal to transmit to the monitoring device. Moreover, the ocean wave force monitoring device provided by the present invention is convenient to install, is strong in structure reliability and high in sensitivity, can adapt to the complex ocean environments, can monitor the ocean wave environments, and provides the good monitoring means for the ocean engineering construction.

The invention discloses an automatic welding device for a manhole door of a wind power generation tower barrel, and relates to the field of mechanical manufacturing industry. The device comprises a base, a tower barrel jaw, a complete machine rotating mechanism, a working arm lifting mechanism and an automatic welding mechanism; the complete machine rotating mechanism comprises a rotary driving motor mounting groove, a rotary driving motor, a bottom bearing, a harmonic reducer, a rotary driving shaft, a driving gear, a lifting guide column, a gear ring, a top bearing and a rotary mechanism mounting groove; and the working arm lifting mechanism comprises a lifting driving motor, a lifting harmonic reducer, a screw, a lifting sliding block, a screw bearing, a mounting block, a working arm, aworking arm moving part, a feeding connecting rod, an electromagnetic suction block and a hydraulic telescopic rod. According to the device, the design scheme is suitable for the welding process of the manhole door of the wind power generation tower barrel, strong in structural reliability, high in automation degree, and capable of achieving automatic clamping and welding, so that the welding efficiency of the manhole door of the wind power generation tower barrel is greatly improved, and the production cost is reduced.

The invention discloses a coating compound machine and a compound technology of a film. The coating compound machine comprises a base material unwinding device, a traction device, a corona treatment device, a screen coating device, a lower drying oven, a knife coating device, an upper drying oven, a compound device, a gum dipped fiber unwinding device, a glass fiber Teflon unwinding device, a glass fiber Teflon winding device, a storage rack and a winding device, wherein the lower drying oven and the upper drying oven are communicated with a hot blast heater. In the compound technology, a glass fiber Teflon layer is used for replacing a traditional disposable release film, the product cost is saved, and the production efficiency is improved.

The invention discloses a telescopic wind power generation tower barrel inner wall sandblast cleaning machine, and relates to the field of mechanical manufacturing industry. The machine comprises a base, a telescopic supporting arm mechanism, a machine head driving mechanism and a sand blasting machine head mechanism; the telescopic supporting arm mechanism comprises a fixing shell, and a moving telescopic arm; the machine head driving mechanism comprises a hydraulic supporting rod, a fixing shaft, a bearing, a wheel stand, a rotating shaft, a driving wheel, a driving motor, a driving harmonicspeed reducing device, a steering adjusting motor, a steering harmonic speed reducing device and a connecting shaft; and the sand blasting machine head mechanism comprises a telescopic outer cover, awaste barrel cover, a barrel cover pressing bolt, a waste barrel body, a partition plate, a main hydraulic cylinder, a hydraulic telescopic rod, a supporting piece, a sand hopper, a sand feeding pipe, a high-pressure air source, a nozzle, an air feeding pipe and an air inlet nozzle. The design scheme of the machine is suitable for wind power generation tower barrel inner wall sand blasting process, the structural reliability is high, the automation degree is high, the efficiency of wind power generation tower barrel inner wall sand blasting is greatly improved, and the production cost is reduced.

The invention discloses a structure for waterproofing and earth backfilling of a basement side wall post-cast belt, comprising a basement side wall, the side wall includes a post-cast belt extending in a vertical direction; wherein the structure further includes: a pre-embedded steel plate , it is pre-buried in the side walls on both sides of the post-casting belt during the construction of the basement side wall, and is exposed on the surface of the side wall; the channel steel parts are respectively welded on the pre-embedded steel plates on both sides of the post-casting belt, The pair of channel steel parts respectively form a slot with openings opposite to each other on both sides of the post-casting belt; the reinforced concrete prefabricated plate is inserted into the slot from top to bottom; waterproof coating is applied to the The seams between the channel steel parts and the pre-embedded steel plates, and the joints between both sides of the reinforced concrete prefabricated slab and the outer surface of the side wall; waterproof felt, which is laid outside the reinforced concrete prefabricated slab, and Cover the reinforced concrete prefabricated slab and waterproof coating. The invention also includes a construction method of the structure.

A drag-reducing and torque-reducing device for a pipe string comprises a body, a sliding sleeve, cylindrical rollers, a threaded locking ring, a tightening screw, metal abrasion-proof gaskets and seal rings, wherein four spiral ridges are longitudinally and uniformly distributed on the outer surface of the sliding sleeve in the circumferential direction; the outer contour of a cross section of the sliding sleeve is elliptical; four circles of roller grooves are formed in the surface of the body in the circumferential direction, are fully filled with the rollers, and are matched with the sliding sleeve; the sliding sleeve sleeves the body; the seal rings are arranged at two ends of the part, connected with the body, of the sliding sleeve; the sliding sleeve is limited by a shoulder at the male buckle end of the body and the threaded locking ring mounted at the female buckle end of the body; the threaded locking ring is fastened with the tightening screw; the metal abrasion-proof gaskets are arranged between the sliding sleeve, and the body and the threaded locking ring. The drag-reducing and torque-reducing device has the advantages that the structural reliability is high; loss in a drilling torque transmission process can be reduced; abrasion on the pipe string is reduced; vortex motion of the pipe string can be reduced to a certain extent; the work efficiency is further improved.

The invention relates to a demoulding device which contains a lower sliding block, an upper sliding block, a connecting rod, a spacer pin, a dialing bead, a spring and an oil cylinder. The lower sliding block and the upper sliding block are connected with a product. The lower sliding block is provided with an inclined top surface. The upper sliding block is provided with an inclined undersurface which is assembled on the top surface. The upper sliding block is equipped with a chute for holding the spacer pin and a front groove for holding the dialing bead. The height of the front groove in the vertical direction is greater than the height of the dialing bead. During mould-opening, the oil cylinder drives the connecting rod to move so as to drive the lower sliding block to move to separate from a product. during movement of the lower sliding block, the spring presses the dialing bead into the front groove such that the upper sliding block only can move downward along the vertical direction. Simultaneously, the spacer pin moves along the chute until the spacer pin presses against the upper sliding block. At the moment, the dialing bead separates from the front groove, and the motion force of the lower sliding block makes the spacer pin drive the upper sliding block to move away from the product so as to separate the upper sliding block from the product.

The invention discloses a positioning middle sliding door buffering device which comprises a shell mechanism, a buffering mechanism and a positioning pick. The shell mechanism comprises a cover and a shell which are fixedly connected, a groove is formed in the shell, a first notch and a second notch are formed in one side of the groove, the buffering mechanism comprises a slider, a release piece, a buffering part and an elastic part, the release piece is provided with two release arms, a shaft lever is arranged at the joint of the two release arms and penetrates the slider, the outer end of each release arm of the release piece is provided with a bump, two bumps on the two release arms can move along the groove in the shell, both the buffering part and the elastic part are connected with the slider, the positioning pick is provided with a shifting portion, and the shifting portion can be separably abutted to the two release arms of the release piece. A sliding door can be conveniently and easily opened or closed to the largest extent and positioned, and buffering action is more reliable.

The invention discloses an unmanned aerial vehicle damping connecting rod system and an unmanned aerial vehicle. The unmanned aerial vehicle damping connecting rod system comprises a connecting rod assembly and a plurality of damping components arranged on the connecting rod assembly; the connecting rod assembly comprises an upper support frame, a lower support frame, and a plurality of vertical rods; the upper support frame and the lower support frame are arranged from top to bottom in the vertical direction; edges between the upper support frame and the lower support frame are connected by the plurality of vertical rods; the vertical rods are respectively perpendicular to the upper support frame and the lower frame; each damping component comprises two quick dismounting plates with L-shaped cross sections, a middle support piece, and a plurality of O-shaped damping rings; the plurality of damping components are mounted on the top surface of the lower support frame and are sequentially arranged at intervals in the circumferential direction of the lower support frame; one end of each damping component is pointed to the center of the lower support frame. The unmanned aerial vehicledamping connecting rod system and the unmanned aerial vehicle, provided by the invention, have the relatively prominent damping effect, and quick mounting and dismounting of the damping components arerealized.

The invention, which belongs to the technical field of emergency bridge equipment, discloses a box type connecting joint comprising a joint main body, end sealing plates, transverse reinforcing ribs and positioning pins. The two end sealing plates are fixed to the two longitudinal ends of the joint main body respectively, so that two symmetrical rectangular cavities with openings in the side facesare formed in the two sides of a web of the joint main body, and the side faces are opposite to the web. The two positioning pins respectively and correspondingly penetrate through two positioning pin holes of one end sealing plate of the joint main body and then are fixedly connected with the web plate of the joint main body; two transverse reinforcing ribs parallel to the end sealing plates arefixed to the two ends in each rectangular cavity respectively. The distances between the two transverse reinforcing ribs and the end sealing plates at the corresponding ends are equal. Therefore, a problem of accurate positioning in the modular bridge splicing process is solved; and the joint is simple in structure, high in operability and convenient to disassemble and assemble.

The invention discloses an apparatus for accurately positioning a hydraulic fore-support moving route. The apparatus comprises a load bearing block (1), a bottom-drilling-preventive baffle (2) and a guide plate (3), wherein the guide plate (3) comprises a first fixed plate (301) and a cutting part (302) connected to the bottom of the first fixed plate (301), a fixed hole (303) is formed in the first fixed plate (301), the distance between the fixed hole (303) and the bottommost end of the cutting part (302) is H+280 mm, H is the thickness of a fore-support base, and the unit of H is mm. The apparatus is safe, practical, simple and reliable, and is capable of improving the coal mining efficiency and the safety production work of a coal mine.

The invention discloses a device for preventing side slipping of a support base. The device comprises a bearing block (1), an anti-drilling bottom baffle (2) and a guiding plate (3). The guiding plate (3) comprises a first fixing plate (301) and a cutting part (302). A fixing hole (303) is formed in the first fixing plate (301), and the distance between the fixing hole (303) and the bottommost end of the cutting part (302) is H+220 mm, wherein H is the thickness of the forepoling base, and the unit of H is millimeter; and the guiding plate (3) stretches deep into a soft bottom plate to achieve the sliding prevention and side moving prevention effects of a forepoling. The structure is practical, simple and reliable, and coal mining efficiency and safety production of a coal mine are improved.

The invention discloses a special power adjusting device for a fan. The special power adjusting device for the fan comprises a power mechanism for outputting rotary motion, a driving guide rod (3) used for converting the rotary motion into linear motion, and a transmission mechanism used for converting the linear motion into turning motion, wherein the power mechanism is fixedly connected with thedriving guide rod (3), the driving guide rod (3) is controlled to move linearly in the axis direction of the power mechanism; the other end of the driving guide rod (3) penetrates after through a support I (6) and then is fixedly connected with the transmission mechanism; and the transmission mechanism is installed on the support I (6) through supports II (7), a plurality of blades (8) are installed on the supports II (7), and all the blades (8) are synchronously rotated under the coordination of the power mechanism and the transmission mechanism, According to the special power adjusting device for the fan, the included angle between the blades and the horizontal direction is changed, then the wind receiving area of the fan blades under different conditions is changed, and the obvious effect of power regulation is achieved.

The invention relates to the technical field of laser cutting welding and intelligent equipment, in particular to full-automatic laser cutting welding equipment and process. The equipment comprises aworkbench, a first feeding guide device, a second feeding guide device, a pushing device installed at the portion, located at one side of the first feeding guide device and one side of the second feeding guide device, of the workbench, a vibration feeding device connected to one side of the pushing device, a laser cutting device arranged above the pushing device and a welding device positioned below the laser cutting device, wherein the first feeding guide device and the second feeding guide device are mounted on the workbench. Laser cutting is adopted for cutting a power connection sheet, thecutting effect is good, the stability is good, the follow-up connection problem is prevented, the welding device is arranged to conduct spot welding on the cut position, and the quality is guaranteed.

The invention relates to a film bulk acoustic wave resonator, a preparation method and a film bulk acoustic wave filter. The film bulk acoustic wave resonator comprises a patterned second electrode layer, a patterned piezoelectric layer, a patterned first electrode layer and a substrate which are sequentially stacked, wherein a plurality of heat dissipation blind holes are formed in the substrate, each heat dissipation blind hole is filled with a heat conduction and dissipation material, a high-resistance material is filled above the heat conduction and dissipation material in each heat dissipation blind hole to form a total reflection structure, and the patterned first electrode layer covers openings of all the heat dissipation blind holes. According to the film bulk acoustic wave resonator, the total reflection structure is prepared on the substrate, and each heat dissipation blind hole is filled with the heat conduction and dissipation material and the high-resistance material, so that the original high Q value is maintained, the temperature influence caused by insufficient heat conduction and dissipation capability of a traditional film bulk acoustic wave resonator is solved, and the film bulk acoustic wave resonator is high in structural reliability, facilitates integration, and simple in preparation process.