16results about How to "Avoid pressure damage" patented technology

The utility model discloses a combined lining structure of an underground gas storage. The combined lining structure comprises a plurality of linings and a plurality of buffer devices, wherein the number of the buffer devices is the same as that of the linings; the multiple linings are sequentially arranged on the inner wall of the underground gas storage cavern in the circumferential direction of the underground gas storage cavern, and buffering seams are reserved between the adjacent linings. Each buffering device is arranged at one buffering seam and comprises a bent buffering piece and two fixing pieces; the two ends of the buffering piece are connected with the two adjacent linings in a sealed mode through fixing pieces respectively. The buffering seams are arranged between the adjacent linings, and the buffering devices are used in a combined mode, so that during gas storage, gas pressure borne by the fragmented linings is transmitted to external surrounding rock, tension fracture damage of the linings is avoided, and the compression performance of the linings is remarkably improved; when the gas is released, the adjacent linings are mutually squeezed to form a stressed whole, instability damage is avoided, the service life of the underground gas storage can be remarkably prolonged, and the safety of the underground gas storage can be remarkably improved.

The utility model discloses an anti-scraping logistics appliance for a fender in the technical field of packaging boxes, and aims to solve the technical problems that in the prior art, the fender is easy to deform due to uneven stress in the packaging, storing and transporting processes, a bright paint surface is easy to generate scratches due to contact friction with a packaging box, oil coating lubrication is uneven, and pollution is generated. The anti-scraping logistics appliance comprises at least two appliance bodies distributed in the longitudinal direction, supporting assemblies matched with the back face of a fender body of the fender are arranged on the top faces of the appliance bodies, and the bottom faces of the appliance bodies are concaved inwards to form containing grooves matched with the front face of the fender body.

The utility model discloses a flexible rack tray machine footstand which comprises a tray body, a track assembly and two sets of sliding seats, the track assembly is arranged below the tray body and used for supporting the tray body, the tray body can be assisted to move through the track assembly, and the sliding seats are the front sliding seat and the rear sliding seat respectively. The sliding seat is installed above the tray body in a sliding mode, a pressing plate is detachably installed on the top of the sliding seat through a stud, and machine feet are fixed to the lower portion of the pressing plate in a press fit mode and located through locating pins. The engine assembling device is used for assembling an engine, the sliding seat in the device is installed above the tray body in a sliding mode, the position of the sliding seat can be adjusted on the tray body in a sliding mode, therefore, the requirement for fixing engines of different types and models can be met, the practicability of the device is improved, and the engine is fixedly supported in a stand column mode. Therefore, the interference of the engine can be reduced, and the assembly of the engine is more convenient.

The utility model discloses paper product packaging box production cutting equipment, and relates to the technical field of cutting equipment, the paper product packaging box production cutting equipment comprises a cutting equipment main body, an installation folding rod is slidably connected in a positioning ring, the top of the installation folding rod is fixedly connected with a pressing block assembly, and U-shaped rods are arranged on the front side and the rear side of the bottom end of the cutting equipment main body; a driving assembly is arranged between the two U-shaped rods, connecting folded plates are fixedly connected to the two ends of each U-shaped rod, connecting rods are hinged to the outer ends of the connecting folded plates, and the outward ends of the connecting rods incline downwards. Due to the fact that the outer ends of the connecting rods incline downwards, the outer ends of the connecting rods move downwards, then the mounting folding rods are driven to move downwards along the positioning rings, the pressing block assemblies act on the paperboards, the paperboards are positioned, and the situation that the production quality of cartons is affected due to the fact that the paperboards deviate during cutting is avoided.

The utility model discloses cryogenic nitrogen production dehydrogenation equipment which comprises an air compressor system, a compressed air purification system is installed on one side of the air compressor system, a PSA adsorption system is installed on the right side of the compressed air purification system, and meanwhile a nitrogen buffer tank is installed on one side of the PSA adsorption system. The nitrogen buffer tank comprises a tank body, a gas inlet pipe is fixedly installed on the upper left side of the tank body, and an exhaust pipe is fixedly installed on the lower right side of the tank body. According to the cryogenic nitrogen production dehydrogenation equipment, the outer side of a nitrogen buffer tank is wrapped with a heat insulation and sun protection assembly, the heat insulation and sun protection assembly is composed of a cooling coil, a heat insulation layer, an isolation cover and a sun protection coating, and heat insulation and explosion protection can be conducted on the nitrogen buffer tank when the nitrogen buffer tank works outdoors in summer; absorption of solar radiation is reduced, the temperature of the tank body is reduced, and the situation that aging of materials of the nitrogen buffer tank is possibly accelerated when the nitrogen buffer tank is exposed to sunlight for a long time can be avoided; this may lead to a decrease in the strength of the tank, a decrease in sealing performance, or other potential damage.

The utility model discloses a high-strength easy-to-disassemble sound equipment shell, which comprises a sound equipment bottom shell, silica gel cushions are fixedly mounted at four corners in the sound equipment bottom shell through glue, a sound equipment surface shell matched with the sound equipment bottom shell is arranged on the front surface of the sound equipment bottom shell, a plurality of uniformly distributed positioning columns are mounted in the sound equipment bottom shell, and positioning grooves are formed in the positioning columns. Second-level inserting columns corresponding to the positioning columns are fixedly installed on the back face of the sound box face shell, the top ends of the second-level inserting columns can be inserted into positioning grooves of the positioning columns, side position reinforcing pieces are fixedly installed on the outer walls of the two sides of the second-level inserting columns, and the positioning grooves of the positioning columns are threaded grooves. According to the sound box shell, the screw dismounting work of the surface shell can be conveniently completed, the use effect of easy dismounting and maintenance is achieved, hot melt adhesive pasting is not needed in the processing process, the production cost is low, the high cost of an adhesive film can be effectively avoided, the service life of the sound box shell is prolonged, and the service life of the sound box shell is prolonged. The spraying thickness is not uniform, and the dismounting cannot be carried out.

This utility model relates to the field of water conservancy engineering technology and discloses a water conservancy engineering pipeline support, including a first mounting frame and a second mounting frame. The first mounting frame is located in front of the second mounting frame. A fixed shaft is fixedly installed at the top of the first mounting frame, and a rotating frame is rotatably connected to the middle of the fixed shaft. A support shaft is fixedly installed at the left end of the inner cavity of the rotating frame, and a round pipe is fixedly installed at the right end of the inner cavity of the rotating frame. The support shaft is slidably connected inside the round pipe. This utility model achieves the ability to rotate the rotating frame by rotatably connecting the top of the first mounting frame to the fixed shaft. After the pipeline is installed, the rotating frame can be rotated to above the second mounting frame, thereby protecting both the first and second mounting frames. The support shaft and the round pipe are used for weighing, directly distributing the pressure load between the first and second mounting frames, avoiding direct pressure damage to the pipeline.

The utility model provides a ventilation wall type heat exchanger which comprises a heat exchanger body, a first conveying pipe connected to the heat exchanger body, a second conveying pipe connected to the heat exchanger body, a first supporting assembly arranged between the heat exchanger body and the second conveying pipe, and a second supporting assembly arranged between the first conveying pipe and a supporting face. By arranging the first supporting assembly and the second supporting assembly on the large heat exchanger body, the first conveying pipe is erected on the heat exchanger body, the second conveying pipe is erected on the supporting face with the ground as the supporting face, and the first conveying pipe and the second conveying pipe do not need to be supported through a plurality of branch conveying pipes; the service life of the conveying branch pipes is prolonged, the situations that the conveying branch pipes are pressed and damaged and refrigerants leak are avoided, and the beneficial effects of being convenient to use, high in supporting stability and convenient to popularize and implement are achieved.

The utility model discloses a self-resetting anti-collision steering lamp, which relates to the field of steering lamps, solves the problem that a steering lamp holder assembled in a welding manner in the existing device is easy to damage by external pressure, and adopts the following scheme that the self-resetting anti-collision steering lamp comprises a vehicle shell and the steering lamp holder embedded in the vehicle shell; a lamp groove matched with the steering lamp holder in specification is formed in the end corner of the vehicle shell. An abutting seat is fixedly installed on the inner side wall of the vehicle shell, a sleeve column is connected to the abutting seat, an end plate is fixedly installed at the outer end of the sleeve column, and a spring column is fixedly connected to the inner side wall of the end plate; a column groove matched with the sleeve column in specification is formed in the end of the steering lamp holder, and the spring column is arranged between the end plate and the end wall of the column groove. According to the self-resetting anti-collision steering lamp, through arrangement of all assemblies between the vehicle shell and the steering lamp holder, when the outer side of the steering lamp holder is stressed, the steering lamp holder is driven to freely slide on the sleeve column and compress the spring column, and part of pressure is offset through inward movement of the steering lamp holder.

The utility model relates to the field of EPE pearl wool, in particular to an EPE pearl wool packaging structure. Comprising a box body, a box cover abuts against the upper surface of the box body, adjusting structures are arranged on the two sides of the box cover, each adjusting structure comprises a mounting groove, the mounting grooves are formed in the box cover, butt joint grooves are formed in the two sides of the box body, and a first mounting plate and a second mounting plate are slidably connected to the inner walls of the mounting grooves and located on the two sides of the box cover correspondingly; a first butt-joint plate and a second butt-joint plate abut against the positions, corresponding to the butt-joint grooves, of the two sides of the box body, and the first butt-joint plate and the second butt-joint plate are located on the two sides of the box body respectively. The EPE pearl wool packaging structure has the advantages that the supporting frame, the supporting plate and other parts are conveniently arranged in the box body and the box cover, the supporting frame and the supporting plate are used for supporting the box body and the box cover, the EPE pearl wool packaging structure can bear larger external force, articles placed in the box are prevented from being pressed and damaged, and the EPE pearl wool packaging structure is easy to disassemble and assemble and high in practicability.

The invention relates to the technical field of steel structures, in particular to an assembly type steel structure beam-column joint adopting a friction type high-strength steel joint, which comprises a steel column, and a connecting plate is arranged on the side surface of the steel column; threaded holes are symmetrically pre-formed in the upper side and the lower side of the end part of the steel beam; the friction type high-strength steel connector comprises an upper clamping plate and a lower clamping plate, the upper clamping plate and the lower clamping plate are both vertically and fixedly connected to the side face of the connecting plate, and the end of the upper clamping plate and the end of the lower clamping plate are each provided with a straight notch corresponding to a threaded hole in the end of the steel beam. According to the assembly type steel structure beam-column joint adopting the friction type high-strength steel joint, a large amount of energy can be dissipated through friction slippage of a bolt connection interface under the action of an earthquake or a reciprocating load through the friction layer on the connection interface of the upper clamping plate and the lower clamping plate, so that pressure bearing damage of a bolt hole wall or shear brittle failure of a bolt is avoided; and the ductility and the energy dissipation capacity of the joint are remarkably improved, so that the anti-seismic safety of the whole structure is enhanced.

The utility model relates to the technical field of printing machines, and discloses a water-based ink temperature control device of a printing machine, which comprises an ink box, an ink groove and a printing plate roller, the input end of an ink pump is connected with the inside of the ink box, the output end of the ink pump is provided with an input pipe, and the outer surface of the input pipe is provided with two groups of static mixers; one end of the input pipe extends into the ink fountain, a connecting pipe is installed on the lower surface of the ink fountain and connected with the ink box, and a cleaning mechanism is installed on one side of the ink fountain. Due to the arrangement of the cleaning mechanism, the situation that in the prior art, the cleaning mechanism abuts against the printing plate roller all the time, abrasion is large, and damage is prone to occurring is avoided.

The utility model discloses a kind of watch small-sized parts compression fixer, including the locating adjusting assembly being installed in compression ware body interior, the detachable assembly is threadedly installed in the top of compression ware body, the locating adjusting assembly includes adjusting groove, directional rod is fixed in the adjusting groove, support column is slidably connected on the directional rod, screw rod is rotatably connected on the side surface of support column, adjusting knob is fixed in the other end of screw rod, by setting locating adjusting assembly, the position situation of the part that can be compressed according to actual needs is carried out, the axial center of corresponding clamping seat is adjusted, so that the axial center of the part to be compressed is coaxial with the axial center of compression rod, so that the axial center of the part to be compressed can be avoided in compression process with the axial center of compression rod not in coaxial, so that the compression of part is more accurate, and it can also prevent the compression damage to other parts.

The invention relates to the technical field of pavement stress monitoring, in particular to an asphalt pavement stress monitoring device which comprises a fixed square body, and a protective frame is fixedly mounted at the top of the fixed square body; the monitoring protection mechanism is connected with the fixed square body, and the monitoring protection mechanism comprises a supporting frame, a monitoring part, a buffer protection assembly and a detection compensation assembly; the buffer protection assembly is connected with the fixed square body, the detection compensation assembly is connected with the buffer protection assembly, a supporting frame is further fixedly installed on the buffer protection assembly, a monitoring part is arranged on the supporting frame, and the monitoring part is arranged close to the protection frame. The monitor is prevented from being pressed and damaged, so that the accuracy of a monitoring result is ensured, convenience is provided for workers, and the monitoring result can be compensated while protection is performed.