32results about How to "Avoid too much stress" patented technology

The invention provides a submarine natural gas hydrate extraction device and method. The submarine natural gas hydrate extraction device comprises a sleeve. The bottom of the sleeve is in an opened state, and the top of the sleeve is provided with a gas extraction pipeline. A decomposing groove is formed in a sleeve body of the sleeve and provided with a feeding opening, and the top of the decomposing groove is in an opened state. Natural gas hydrate in the decomposing groove is decomposed to release gas containing natural gas and liquid containing decomposed water, the gas is constantly accumulated at the top of the sleeve to form air pressure, the liquid also constantly gushes through the decomposing groove, the air at the top of the sleeve is constantly gathered, and the air pressure isconstantly increased, so that the liquid gushing from the decomposing groove can be extruded from the bottom of the sleeve in an opened state to leave the extraction device and be drained into seawater. The submarine natural gas hydrate extraction device can realize gas-liquid-solid fast separation and gas extraction integrated production of natural gas hydrate mixed fluid, is simple in structureand convenient to use, and greatly reduces the extraction cost of the natural gas.

The invention discloses an external fixing device of a protective net body. The external fixing device comprises stand columns with the lower ends fixed to the ground on the periphery of the net body. A suspension arm is fixed to the upper portion of each stand column, extends in the normal direction of one joint point of the upper end of the net body and enables a safety distance to exist between the stand column and the net body, and the other end of each suspension arm is used for being detachably and fixedly connected with the upper end edge of the net body. The invention further provides a corresponding protective net and application thereof. The protective net body is reliably supported and fixed; the horizontal safe distance between a supporting element and the net body can be determined according to needs, and it is guaranteed that the supporting element cannot cause any damage to personnel or animals in the net; and the protective net has the characteristics of being simple in structure, convenient to mount and dismount, safe and firm. The external fixing device of the protective net body, the protective net and the application of the protective net are applicable to occasions which have requirements for trampoline enclosures, net enclosing protection of livestock and poultry farms, net separation of sporting venue areas, enclosing of prisoner activity spaces, defining of animal and bird venues of zones, interpopulation isolation of animal parks and the like.

The invention relates to a display module and a display screen. The display module comprises an array substrate and a planarization layer formed on the array substrate. Wherein the planarizing layer includes a first planarizing layer formed on an array substrate and a second planarizing layer formed on the first planarizing layer, the first planarizing layer having an elastic modulus less than orgreater than the elastic modulus of the second planarizing layer. By dividing the planarizing layer into a first planarizing layer and a second planarizing layer, and the elastic modulus of the firstplanarization layer is different from the elastic modulus of the second planarization layer, which can effectively solve the problem of excessive stress concentration when the display module is impacted by a foreign object, wherein the planarization layer with small elastic modulus can be used as a flexible buffer layer to avoid stress concentration.

The invention discloses a gas water heater which comprises a shell, a face shell and a decorative sheet. The front side of the shell is open to form an opening. The face shell is arranged on the shell to close the shell; the face shell comprises a matching part and an extending part; the matching part is matched with the opening; the extending part extends downwards out of the lower surface of the matching part. The decorative sheet is buckled and connected to the rear surface of the extending part. According to the gas water heater disclosed by the embodiment of the invention, the decorative sheet is buckled and connected to the face shell, so that the decorative sheet is tightly connected with the face shell and a gap is not easy to generate, and thus, aesthetics of the gas water heater is ensured. Meanwhile, the decorative sheet is simple, rapid and convenient to install; moreover, the decorative sheet is arranged on the extending part in a detachable manner, so that assembling efficiency and maintainability of the gas water heater are improved and the service life of the gas water heater is prolonged.

The invention relates to a perforating device, and discloses a glass plate perforating device. The glass plate perforating device comprises a support. The support comprises a working platform for containing pieces to be punched. Longitudinal supporting arms are arranged on the two sides of the working platform. A middle cross beam is transversely connected between the two supporting arms and provided with a through hole. A sliding sleeve is mounted in the through hole, and a puncher pin is arranged in the sliding sleeve in a matched manner and comprises an inner round puncher pin body and a hexagonal puncher pin body. The inner round puncher pin body is sleeved with the hexagonal puncher pin body and is internally tangent to the hexagonal puncher pin body. The upper end of the hexagonal puncher pin body is connected with a mounting plate, and springs are connected between the mounting plate and the middle cross beam. According to the technical scheme, in the machining process, a pushing air cylinder moves continuously downwards and cannot stop in the middle, and therefore the efficiency of the punching process is higher; and the pushing air cylinder directly drives the puncher pin to carry out punching, the puncher pin is matched in the sliding sleeve mounted on the cross beam and cannot deflect in the advancing process, and therefore the punching process is more stable, and clamping is avoided.

The invention relates to a display module and a display screen. The display module comprises a plurality of light emitting units and pixel defining layers between adjacent light emitting units. Wherein the pixel defining layer includes a first pixel defining layer and a second pixel defining layer formed on the first pixel defining layer, the first pixel defining layer having a modulus of elasticity smaller than the modulus of elasticity of the second pixel defining layer. By dividing the pixel defining layer into a first pixel defining layer and a second pixel defining layer, and the elasticmodulus of the first pixel limiting layer is different from the elastic modulus of the second pixel limiting layer, which can effectively solve the problem that the stress of the display module is tooconcentrated when the display module is impacted by a foreign object, wherein the pixel limiting layer with small elastic modulus can be used as a flexible buffer layer to avoid stress concentration.

The invention relates to the technical field of automobile accessories and discloses an automobile part clamping mechanism. The automobile part clamping mechanism comprises a hanging mechanism and a mounting rack. The lower end of the hanging mechanism is connected with the mounting rack; the mounting rack is provided with clamping jaws used for mounting and picking up automobile accessories; a motor is mounted on the mounting rack; the output end of the motor is connected with a first gear; the first gear is engaged with a second gear; the second gear is longer than the first gear; a feed threaded rod is coaxially connected to the end face of the second gear; a push rod and the feed threaded rod are coaxial; a reset spring is connected between the push rod and the mounting rack; the driving end of the push rod tightly abuts against the end of the feed threaded rod under the action of elastic force of the reset spring; the left clamping jaw and the right clamping jaw are hinged to the bottoms of the mounting rack respectively; a clamping space is formed between the left clamping jaw and the right clamping jaw. By means of the scheme, mechanical work replaces manual work, workers do not need to enter the equipment operation area, the safety of the workers is guaranteed, and meanwhile the automobile part clamping mechanism can more easily reach a small and narrow place.

The invention relates to the technical field of auto spare parts and discloses an auto spare part picking device. The auto spare part picking device comprises a lifting mechanism and an installation frame. The lower end of the lifting mechanism is connected with the installation frame. The installation frame is provided with an air cylinder and a supporting plate far away from the air cylinder. The air cylinder is provided with a pressure reducing valve. An output rod of the air cylinder penetrates through a through hole formed in the supporting plate. A left clamping jaw and a right clamping jaw are hinged to the bottom of the installation frame. A clamping space is formed between the left clamping jaw and the right clamping jaw. The output rod of the air cylinder is provided with a left stop block and a right stop block. The lower end of the left stop block is provided with a supporting part which is located on the side, far away from the clamping space, of the left clamping jaw. The part, located above a hinge point, of the right clamping jaw is provided with a driving end which is provided with a limiting hole. The output rod of the air cylinder penetrates through the limiting hole. The right stop block is located on the inner side of the driving end of the right clamping jaw. According to the scheme, the machine replaces manual work, and personnel do not need to enter an equipment operation area, so that the safety of the personnel is ensured, and meanwhile, it is easier for the auto spare part picking device to reach a narrow place.

The invention discloses a semi-wearable palm rehabilitation exoskeleton. The exoskeleton includes a base, a height-adjustable lifting frame is connected to the base, a thumb bracket is fixedly connected to the back surface of the upper part of the height-adjustable lifting frame, power devices are arranged on the thumb bracket and the back surface of the height-adjustable lifting frame, the frontend of the thumb bracket and the front end of the height-adjustable lifting frame are hinged to a first-section finger wearing lantern ring, the front end of the first-section finger wearing lantern ring is hinged to a second-section finger wearing lantern ring, one end of a first-section pushing rod is hinged to the back face of the first-section finger wearing lantern ring, one end of a finger rotating angle adjusting rod is fixedly connected to the first-section pushing rod, the other end of the finger rotating angle adjusting rod is hinged to one end of the second-section pushing rod, andthe other end of the second-section pushing rod is hinged to the back face of the second-section finger wearing lantern ring. According to the semi-wearable palm rehabilitation exoskeleton, the rotating amplitude of the exoskeleton can be controlled according to the actual situation of a patient, and the effect of training at a specific angle is achieved.

The invention provides an ultra-high voltage transmission line clamp replacing tool. The tool comprises a connecting plate used for being fixedly connected with a yoke plate, cross beams extending outof the left side and the right side of the connecting plate are arranged on the connecting plate. The connecting plate and the cross beam are in a vertical position relationship. The tail ends of thecross beams on the left side and the right side of the connecting plate are rotationally connected with two rotating nuts respectively. The rotating nuts are in threaded connection with lead screws,the lead screws are parallel to the connecting plate, sleeves are arranged at one ends of the lead screws, for the two lead screws located on the same side of the connecting plate, the ends, providedwith the sleeves, of the two lead screws are opposite in the vertical direction, and the directions of all the sleeves are approximately perpendicular to the connecting plate. The device can improve the stress of the branch wire in the operation of replacing the wire clamp, and protects the branch wire from being damaged.

The invention relates to a method for installing lightweight wall boards. The lightweight wall boards are fixedly connected to a wall body via support members and screw bolts, and the lightweight wallboards can therefore be prevented from sliding up and down; fiberglass cloth layers are arranged on internal corners of the support members, and therefore the lightweight wall boards can be preventedfrom sliding to a left side or a right side, and the two lightweight wall boards are connected via a U-shaped steel part. When stable installation is realized, excessive stress concentration can be prevented; a connection gap between the lightweight wall boards is covered with a layer of anti-crack cloth, and crack resistance of an overall structure of each wall board can be effectively improved.

The invention relates to a forming technology for a welding neck flange. A long straight steel pipe is used as a blank. The length of the steel pipe is larger than the straight pipe length of a welding neck flange product, and the pipe diameter of the steel pipe is consistent with the straight pipe diameter of the welding neck flange product. The steel pipe is directly subjected to extrusion forming from the two ends of the steel pipe on a cold forming machine so that turned edges can be formed, and the dimensions of the turned edges are not smaller than the flange dimensions of the welding neck flange product. The blank is subjected to heat treatment, and the turned edges are machined after being cooled so that the need of target flange dimensions can be met. A flange body and the steel pipe part are of an integrated structure, the defect that the stress of the welding neck flange at the transition position of the flange and the straight pipe is excessively concentrated is avoided, and therefore the connection strength of the flange in engineering application is improved, and the service life is prolonged.

The invention relates to an auto spare part clamping mechanism. The auto spare part clamping mechanism comprises a lifting mechanism and an installation frame. The lower end of the lifting mechanism is connected with the installation frame. The installation frame is provided with clamping jaws used for installing and picking an auto spare part. The installation frame is provided with a gear and a supporting plate far away from the gear. The installation frame is further in sliding connection with a rack meshing with the gear. The end of the rack is connected with a push rod penetrating through a through hole formed in the supporting plate. The left clamping jaw and the right clamping jaw are hinged to the bottom of the installation frame. A clamping space is formed between the left clamping jaw and the right clamping jaw. The push rod is provided with a left stop block and a right stop block. The lower end of the left stop block is provided with a supporting part which is located on the side, far away from the clamping space, of the left clamping jaw. The driving end of the right clamping jaw is provided with a limiting hole. The push rod penetrates through the limiting hole. The right stop block is located on the inner side of the driving end of the right clamping jaw. According to the scheme, the machine replaces manual work, and personnel do not need to enter an equipment operation area, so that the safety of the personnel is ensured, and meanwhile, it is easier for the auto spare part clamping mechanism to reach a narrow place.

The invention relates to a part of a vehicle frame. The cross section of the part of the vehicle frame is U-shaped; two sides of the U-shaped section are respectively provided with a first side edge and a second side edge; the bottom part of the U-shaped section is provided with a bottom edge; the first side edge is parallel with the second side edge; the bottom edge is relatively perpendicular to the first side edge and the second side edge; the thickness of the wall of the part of the vehicle frame is 1-8mm; and the wall is manufactured by using an aluminum alloy or a magnesium alloy. The invention has the advantages that a rectangular steel pipe of the traditional vehicle body frame is replaced by the part of the vehicle frame which acts on a vehicle body and is manufactured by utilizing the thickening aluminum alloy or magnesium alloy with the U-shaped cross section so as to achieve the effect that the weight is reduced by almost half under the condition of the same or similar strength with steel products, therefore, the weight of the combined vehicle body is greatly reduced without decreasing the strength, the manufacturing cost and the running cost are lowered, and the part of the vehicle frame is more environmentally-friendly, saves more energy, and is capable of adapting the installation of different positions of the vehicle body.

The invention relates to the technical field of glass processing, in particular to an ultra-thin glass processing technology. The method includes the following steps: providing two substrates; placing at least one layer of glass sheet to be processed between the two substrates, forming a curable adhesive layer between the two substrates and the glass sheet to be processed; and curing the curable adhesive layer Obtain the piece to be cut, after cutting the piece to be cut at least once along the superposition direction of the substrate and the glass sheet to be processed, obtain the piece to be processed with the required size; At least one layer of the glass sheet to be processed in the piece is separated from the substrate to obtain the glass sheet of the required size, and the piece to be cut is cut as a whole and the subsequent corner treatment operation can well avoid the ultra-thin The glass sheet to be processed is cracked during the processing of the glass sheet to be processed, and the quality of the glass sheet obtained after processing the glass sheet to be processed is improved.

The invention provides a container roof operation safety belt restraint device, which comprises a casing pipe, and two symmetrically arranged L-shaped clamping devices capable of being used independently, wherein each L-shaped clamping device comprises a body, and a connecting arm and a clamping arm which extend inwards from an inner side of the body; a clamping hook groove is formed among the body, the connecting arm and the clamping arm, and hooks a side beam of a container, and the clamping arm is located in a concave wave of the container; or the clamping hook groove hooks corner fittings of the container, and the clamping arm extends into a lock hole from a side surface of the corner fittings; the connecting arm is located on a top face of the container; an end part of the connecting arm is stretched into the casing pipe and is fixedly connected with the casing pipe; a restraint ring for restraining a safety belt is arranged on the casing pipe, or the restraint ring for restraining the safety belt is arranged on each L-shaped clamping device according to the need. The container roof operation safety belt restraint device is arranged on a roof of the container, and the safety belt is restrained on the restraint device, so that when operation workers carry out roof operation, the over-concentrated stress can be effectively avoided, the operation safety of the operation workers can be ensured, and the potential safety hazard is eliminated.

The invention provides a replacement tool for ultra-high voltage transmission line clamps, which includes a connecting plate for fixed connection with the connecting plate, and beams protruding from the left and right sides of the connecting plate are arranged on the connecting plate, and the connecting plate The plate and the crossbeam are in a vertical position relationship. The ends of the crossbeam on the left and right sides of the connecting plate are respectively rotated and connected with two rotating nuts. One end of the screw is provided with a sleeve. For the two screw on the same side of the connecting plate, the ends of the two sleeves are in opposite directions. The orientation of all the sleeves is generally perpendicular to the connecting plate. plate. The device can improve the stress of the sub-conductors and protect the sub-conductors from damage during the operation of replacing the clamps.

The invention discloses a semi-wearable palm rehabilitation exoskeleton, which comprises a base, an adjustable height lifting frame is connected to the base, a thumb bracket is fixedly connected to the back of the upper part of the adjustable height lifting frame, and the thumb bracket is adjustable. The power device is set on the back of the high lift frame, the front end of the thumb support and the front end of the adjustable height lift frame are hinged with the first finger wearing collar, and the front end of the first finger wearing collar is hinged with the second finger Wearing the ring, one end of the first push rod is hingedly connected to the back of the first finger wearing ring, the first push rod is fixedly connected with one end of the finger rotation angle adjustment rod, and the other end of the finger rotation angle adjustment rod is connected to the second finger rotation angle adjustment rod. One end of the push rod is hinged, and the other end of the second push rod is hingedly connected to the back of the second finger wearing collar. The invention provides a semi-wearable palm rehabilitation exoskeleton, which can control the rotation range of the exoskeleton according to the actual situation of the patient, so as to achieve the effect of training on a specific angle.

The invention relates to the technical field of diaphragm cutoff devices and discloses a cam diaphragm vacuum valve for pressure casting. The cam diaphragm vacuum valve for pressure casting comprises a valve body, a diaphragm and a valve rod. The valve rod is sleeved with the valve body. The lower end of the valve rod is connected with the diaphragm. A valve element is arranged below the diaphragm. An air inlet and an air outlet are formed in the two sides of the valve element respectively and communicated with each other through a gap between the valve element and the diaphragm. A pulley is hinged to the upper end of the valve rod. A cam matched with the pulley is arranged above the pulley and provided with a handle. By the adoption of the scheme, cam rotating downward pressing operation is used for replacing screw rotating downward pressing operation, the valve is quicker to open and close, a response is made quickly, control is more convenient and quicker, and pressure casting efficiency is effectively improved.

The invention discloses a net external fixing device for a protective net body, which comprises a column whose lower end is fixed on the outer ground of the net body. There is a boom with a safe distance, and the other end of the boom is used for detachable and fixed connection with the upper edge of the net body; the invention also provides a corresponding protective net and its application. The invention supports and fixes the protective net body reliably, and the horizontal safety distance between the support member and the net body can be determined according to needs, so as to ensure that the support member does not cause any damage to personnel or animals in the net, and has a simple structure, convenient installation and disassembly, and is safe and stable. features. The present invention is suitable for the enclosure of trampoline, the net enclosure of livestock and poultry farms, the mesh isolation of sports field areas, the enclosure of prisoners' activity space, the delineation of zoo birds and animal venues, and the group of wild animals. Places where isolation and other requirements are required.

The invention relates to a moisture-proof fireproof environment-friendly combined cupboard, which comprises middle pedestals and marginal pedestals at the bottom of the cupboard. Middle side plates and marginal side plates are arranged on the middle pedestals and the marginal pedestals respectively. Lower bottom plates are arranged between every two adjacent middle side plates or marginal side plates, and cling to the middle pedestals and the marginal pedestals. Backboards are perpendicular to the lower bottom plate, and cling to the end parts of the surfaces, which are against a wall, of the middle side plates and the marginal side plates. Upper top plates parallel to the lower bottom plates are arranged at the upper ends of the middle side plates, the marginal side plates and the backboards. The combined cupboard has the beneficial effect that under the condition of ensuring strength and stability, compared with the conventional ceramic tile cupboard, the combined cupboard has the advantages that due to the middle pedestals, the using amount of a material is reduced, the weight of the pedestals is reduced, field assembly is facilitated, and meanwhile, a larger height regulation space is formed; and the middle side plates have two-layer ceramic tile structures, so that the using amount of concrete is reduced, the thicknesses of the middle side plates are reduced, the manufacture cost is lowered, and transportation is facilitated.

One end of the catheter is connected with a radiofrequency ablation host, the catheter comprises a supporting device, a puncture device, a pressure measuring device and a measurement and control unit, the supporting device is connected with the puncture device, the pressure measuring device is connected with the supporting device, and the measurement and control unit is communicated with a pipeline of the supporting device. The radiofrequency ablation main machine is electrically connected with the puncture device, the supporting device comprises a handle, a supporting tube, an outer tube and an inner tube, the handle is fixedly connected with one side of the supporting tube, a guide wire cavity is formed in the supporting tube, the outer tube is arranged in the guide wire cavity, a tube hole is formed in the outer tube, the inner tube is arranged in the tube hole, the inner tube and the outer tube are connected in a sealed mode, and the puncture device is communicated with the radiofrequency ablation main machine. Therefore, radiofrequency ablation is carried out, the blood vessel is dredged and treated, and the blood pressure in the blood vessel is detected through the pressure measuring device.

The invention relates to a display module and a display screen. The display module includes: several light emitting units and a pixel definition layer between adjacent light emitting units. Wherein, the pixel definition layer includes a first pixel definition layer and a second pixel definition layer formed on the first pixel definition layer, the elastic modulus of the first pixel definition layer is smaller than that of the second pixel definition layer modulus of elasticity. By dividing the pixel definition layer into the first pixel definition layer and the second pixel definition layer, and the elastic modulus of the first pixel definition layer is different from that of the second pixel definition layer, it can effectively solve the problem of the display module For the problem of excessive stress concentration when impacted by foreign objects, the pixel definition layer with a small elastic modulus can be used as a flexible buffer layer to avoid stress concentration.

The invention relates to the technical field of electric connectors, aims to solve the problems that in the prior art, when a connector center contact piece is in compression joint with a base material which is low in strength and prone to creeping, the base material is prone to damage and radio frequency transmission fails due to the fact that the pressure intensity at the compression joint position is too large, and provides a center contact piece, a connector and a connector center contact piece compression joint end structure. The center contact piece is of a long-strip-shaped structure, the center contact piece comprises a straight section and an arc section, the straight section and the arc section are of an integrated structure, and when the center contact piece is pressed, the arc section can be in surface contact with the base material. The beneficial effects of the invention are that: during crimping and service, the end of the central contact element can always form surface contact with the strip line or the microstrip line, and the pressure is decomposed and the pressure intensity is reduced due to the action of the arc, so that the high-frequency printed board base material and the strip line or the microstrip line on the high-frequency printed board base material are prevented from generating large shearing force in the signal transmission direction, the strip line or the microstrip line is ensured to be intact, and the reliability of radio frequency transmission is ensured.