2003 results about "Rubber mat" patented technology

The utility model relates to the technical field of shock absorption, in particular to a rubber foot pad, which is applied to a compressor and comprises a supporting top seat, a supporting base, an anti-deviation structure and a rubber pad, the top of the supporting top seat is provided with a mounting part and a buffer area room, one end of the rubber pad is fixedly arranged at the bottom of the supporting top seat, and the top of the supporting base is fixedly connected with one end, far away from the supporting top seat, of the buffer area room. The mounting part is arranged at the bottom of the supporting base, and the mounting part, the supporting top seat, the buffer area room and the supporting base are all hollow, so that a polish rod at the bottom of a compressor can be inserted conveniently, and the damping effect of the rubber foot pad is improved by designing the buffer area room and changing rubber components, namely adjusting hardness and density; friction between the supporting base and a compressor chassis is increased, displacement caused by vibration is reduced, and therefore vibration and abnormal noise of an outdoor unit are reduced.

The invention relates to the technical field of rubber mat production and packaging, in particular to an automatic rubber mat production and packaging method and system.The method comprises the steps that order information is pre-collected, an order information base is established, orders are classified according to different types, and specific equipment operation parameters are pre-written according to the orders of different types; receiving a new order through the network platform, and comparing the new order with the classification in the order information base; the type of the new order is confirmed, corresponding equipment operation parameters are started according to the type, and the new order is packaged; therefore, the equipment parameters required by each rubber mat order are written in advance, after a user places an order, the equipment can be quickly adjusted, the required order packaging parameters are selected, meanwhile, the AGV automatically goes to a warehouse to pick up goods, then intermediate goods pick-up and debugging stages are not needed, the whole process of rubber mat production and packaging from order placing to packaging can be directly completed, and the production efficiency is improved. And the production and packaging efficiency is obviously improved.

The utility model provides an insulation paper winding device, which relates to the field of insulation paper winding and comprises an insulation paper winding frame and a winding drum, two groups of conveying rollers are coupled to the inner side of the insulation paper winding frame, the winding drum is mounted on the right side of the insulation paper winding frame through a connecting frame, a stop plate is arranged right above the conveying rollers, and the stop plate is mounted on the right side of the insulation paper winding frame. Hydraulic columns are connected to the front side and the rear side of the stopping plate through fixing plates, a rubber pad is bonded to the lower surface of the stopping plate, an adsorption hole is formed in the surface of the rubber pad, the upper end of the adsorption hole communicates with a negative pressure pipe through a negative pressure cavity, and tension adjusting rollers are arranged between the conveying rollers; the front side and the rear side of the tension adjusting roller are connected with the insulation paper winding rack through guide shafts. The problem that in the prior art, due to the fact that one end of wound insulation paper is accidentally loosened, the insulation paper is separated from the surface of the transmission unit, and loosening and separation of the insulation paper are difficult to effectively prevent is solved.

The invention discloses an assembly type efficient sound insulation cover convenient to install, and relates to the technical field of sound insulation covers. Comprising a plurality of pieces of main body square steel, the main body square steel are linearly and evenly distributed at equal intervals, jacking mechanisms used for improving the bottom supporting strength are arranged on the inner walls of the main body square steel correspondingly, and assembly type connecting mechanisms used for improving the connecting strength and stability are installed in the main body square steel correspondingly; according to the assembly type efficient sound insulation cover convenient to install, main body square steel is inserted and limited in a penetrating and inserting mode through the assembly type connecting mechanism, the defect that limiting performance is insufficient due to the fact that a lap joint mode is directly used in a traditional structure is overcome, the whole assembly process is simpler and more convenient, rubber pads and expansion water stop strips are arranged at splicing joints, and the assembly efficiency is improved. The vibration transmission of equipment can be blocked, the inherent frequency is kept away from the vibration frequency of the equipment, secondary noise caused by resonance is avoided, meanwhile, through gaps are reduced, the noise is prevented from leaking from the insertion hole position, and the problem of noise leakage is solved.

The utility model provides an anti-impact connecting bolt fastening structure of a high-voltage isolating switch, and relates to the technical field of high-voltage switches, the anti-impact connecting bolt fastening structure comprises a high-voltage isolating switch base and a switch anti-impact bolt connecting assembly, through bolts penetrate through the inner sides of base bolt holes, the lower side of a bolt head rubber mat is provided with a back shore spring, and the back shore spring is connected with the switch anti-impact bolt connecting assembly. A limiting sleeve is connected to the outer side of the jacking spring in a sleeving mode, a nut rubber mat is arranged on the lower side of the limiting sleeve, a connecting nut is arranged on the lower side of the nut rubber mat, a metal locking nut is arranged on the lower side of the connecting nut, and due to the effective buffering effect of a damping rubber mat, damage of vibration to the base is remarkably reduced, and the service life of equipment is prolonged; and through rotation of the penetrating bolt, rapid mounting and dismounting can be achieved, firm and reliable connection is ensured, and through adjustment of the fastening strength of the penetrating bolt, impact loads under different working conditions can be flexibly coped with, and stable operation of equipment is ensured.

The utility model discloses a safety handrail for a bathroom, and relates to the technical field of bathroom handrails. The handrail comprises an installation support and a handrail body, the installation support is composed of an installation plate and two fixing frames, the two fixing frames are both fixedly installed on one side of the installation plate, the handrail body is composed of a U-shaped pipe, an adjusting pipe, a connecting pipe and a rotating pipe, one end of the U-shaped pipe is fixedly connected with the adjusting pipe and the connecting pipe in sequence, and the other end of the U-shaped pipe is fixedly connected with the rotating pipe. And the middle parts of the connecting pipe and the rotating pipe are fixedly connected to form a T-shaped structure. According to the safety handrail, the angle of the handrail can be flexibly adjusted and firmly locked through the unique locking assembly, and different use requirements are met; by combining the suction cup storage design, space can be saved, and stability can be effectively kept; the integrated hook is convenient for hanging articles and improves the tidiness; the threaded rod and the rubber pad provide additional support, so that the support stress of the handrail is safe and reliable; and convenience, safety and space utilization efficiency are all considered.

The utility model belongs to the technical field of floors, and particularly relates to a high-strength anti-deformation anti-static floor which comprises a fixing frame, a second sealing rubber pad is fixedly installed on the top of the fixing frame, an anti-static floor body is installed on the fixing frame in an inserted mode, and four fixing strips are arranged on the top of the fixing frame. The bottoms of the four fixing strips are fixedly provided with first sealing rubber pads, and the bottoms of the four first sealing rubber pads are in close contact with the top of the second sealing rubber pad and the top of the anti-static floor body. The four fixing assemblies are located on the four fixing strips correspondingly and used for fixing the positions of the four fixing strips correspondingly; the anti-static floor comprises an anti-static floor body and two rectangular strips, the two rectangular strips are fixedly installed on the rear side and the right side of the anti-static floor body respectively, grooves are formed in the front side and the left side of the anti-static floor body, when the whole anti-static floor is used, the anti-static floor body can be detached, operation is convenient and fast, and tools do not need to be used.

The utility model belongs to the technical field of rubber industry, and particularly relates to a rubber calendering device which comprises a supporting support, supporting legs are fixedly installed at the four ends of the bottom of the supporting support, and a calendering device body is fixedly installed at one end of the top of the supporting support. First calendaring rollers and second calendaring rollers are rotationally mounted at the upper end and the lower end of the inner wall of the calendaring device body correspondingly, and the exteriors of one ends of the multiple first calendaring rollers and the multiple exteriors of one ends of the multiple second calendaring rollers are rotationally mounted on one side of the inner wall of the calendaring device body; rubber raw materials are subjected to calendaring forming through the multiple first calendaring rollers and the multiple second calendaring rollers, after forming, a second driving motor drives a material collecting roller to rotate to collect formed rubber pads, and then redundant parts are cut through a cutting knife; and the formed rubber pads are collected, so that the rubber pads can be prevented from being accumulated in the storage box body, and the material taking efficiency and the production efficiency in subsequent operation are improved.

The municipal well lid comprises a well lid main body arranged on a well seat, water seepage holes are formed in the well lid main body, a cylindrical flow guide pipe is arranged below the well lid main body, the water seepage holes are located over the cylindrical flow guide pipe, a vertical limiting groove channel is formed in the inner wall of the cylindrical flow guide pipe, and the limiting groove channel is located in the well lid main body. A limiting baffle is arranged at the lowermost part of the limiting channel for blocking, a support is slidably connected in the limiting channel, a buoyancy air bag is connected below the support, the support is initially located at the lowermost part of the limiting channel, a gap is reserved between the buoyancy air bag and a lower port of the cylindrical flow guide pipe, and the lower port of the cylindrical flow guide pipe is blocked by the buoyancy air bag at the uppermost part of the limiting channel of the support. In normal rainwater weather, rainwater flows into the water flow channel through the water seepage holes in the well lid, in heavy rain or extreme rainstorm weather, the water level in the well rises, the buoyancy air bag floats upwards along with rising of the water level and abuts against the sealing rubber pad, and water in the well cannot flow backwards.

The utility model discloses an overhead ground installation structure which comprises a foundation bolt and a bearing plate, the foundation bolt comprises an outer connecting rod, an inner connecting rod and a rubber mat, the outer connecting rod comprises an outer bottom plate and an outer threaded pipe, the outer threaded pipe is provided with an outer thread, and the bearing plate is evenly provided with through holes matched with the outer threaded pipe. The external thread is fixed in the through hole through external thread self-tapping, the bottom end of the through hole in the bearing plate is further provided with a containing cavity matched with the outer bottom plate, internal threads are arranged on the inner side of the external thread pipe and the inner side of the outer bottom plate, the inner connecting rod comprises an inner bottom plate and an internal thread pipe, and the internal thread pipe is provided with external threads matched with the internal threads of the external thread pipe. The outer connecting rod of the foundation bolt is embedded into the bearing plate in a self-tapping mode, then the inner connecting rod is connected through threads, the bearing plate and the foundation bolt are fixed together, the position of the foundation bolt is fixed, the construction process is convenient, the construction period is shortened, and the bearing plate can be arranged closer to the ground.

The invention discloses a compressed air energy storage underground cavity flexible preset joint reinforced concrete lining structure which is characterized in that the cross section of a compressed air energy storage underground cavity is circular, two or more preset joints are preset in the longitudinal direction of the lining structure, and the lining structure comprises reinforced concrete linings poured in blocks; steel bars are embedded in each reinforced concrete lining, the steel bars of every two adjacent reinforced concrete linings are connected through a plurality of flexible steel bar connectors arranged at the corresponding preset joints, each preset joint is filled with a porous rubber pad, and the inner side of each preset joint is covered with a metal baffle. The surface of the metal baffle fixed to the lining structure is covered with a flexible sealing strip, the flexible sealing strip is fixed to the inner wall of the lining structure, and the inner wall of the lining structure is coated with a sealing material layer. The lining structure is high in deformability, the rated gas storage pressure of the cavern can be greatly increased, the stress of the lining is reduced, the load bearing ratio of surrounding rock is increased, the application range is wider, and the risk and cost are lower.

The utility model discloses a decoration device for a pipeline penetrating through a floor slab, which relates to the technical field of building decoration, solves the problems that the existing decoration technology for the pipeline penetrating through the floor slab is poor in aesthetic property and sealing performance, and comprises a pipeline, and a connecting mechanism is arranged outside the pipeline; the connecting mechanism comprises a left decorative ring, the left decorative ring is arranged on one side of the pipeline, a right decorative ring is arranged on the other side of the pipeline, and a connecting plate is fixed below the left decorative ring and the right decorative ring. The pipe clamp is buckled on the outer wall of a pipeline through the fitting groove and is suitable for clamping and limiting pipelines with different inner diameters, meanwhile, the connecting rod and the connecting rod are matched, penetrate through the mounting hole and are in threaded connection with the connecting plate and the sealing gasket at the same time, so that quick assembly can be achieved, and the sealing gasket is pushed through the rubber gasket to improve the sealing performance; and by adjusting the connecting length of the connecting rod and the joining rod, the pressing force can be controlled to be kept stable and lasting, and the left decoration ring and the right decoration ring which are similar to surrounding materials are kept flush, so that the attractiveness is improved.

The invention discloses refractory material production safety protection turnover conveying equipment which comprises a conveying table and a conveying belt, the conveying belt is rotationally embedded in the conveying table, the arrangement assembly is arranged on the outer wall of the conveying table, and the arrangement assembly comprises an auxiliary frame, an adjusting frame, a mounting table, a lifting air cylinder, a lifting plate, a resistance reduction wheel, a rubber pad, a blocking wheel and a guide rail. The arrangement assembly drives a lifting plate and a rubber pad through a lifting air cylinder, the vertical position and the horizontal posture of the refractory bricks can be dynamically adjusted in combination with sliding of a resistance reduction wheel on a guide rail, the overturning assembly drives a driving frame to move along a sliding rail through a clamping air cylinder, and brick bodies are grabbed without damage in combination with negative pressure adsorption of a suction cup and flexible limiting of a mounting ring. A buffer spring and a limiting frame form an elastic clamping system, the thickness error of the brick body is dynamically compensated, overpressure damage is avoided, the whole process is automatically connected, the tidying assembly straightens the position of the brick body in advance, and a safety protection accurate clamping reference is provided for the overturning assembly.

The invention relates to the technical field of crack detection, in particular to a pressure-bearing equipment crack detection instrument and method based on an eddy current technology, and the instrument comprises a pulsed eddy current detector main body, a frame plate, a bearing plate and a mounting seat; wherein one side of the pulsed eddy current detector main body is provided with a connecting line, and one end of the connecting line is connected with a detection probe; wherein supporting blocks are fixed to the left side and the right side of the frame plate correspondingly, and an anti-skid rubber mat is bonded to one side of each supporting block. The mounting seat, the spring, the damping rubber block, the L-shaped adjusting bracket and other structures cooperate, so that the fluctuation limit of the distance between the detection probe and the surface of pressure-bearing equipment is reduced, and compared with a traditional instrument which greatly changes the distance due to irregular surface, the instrument can effectively avoid the interference of the distance fluctuation on eddy current signal acquisition, improve the crack detection accuracy and reduce the detection cost. The problems of missing detection and false detection caused by unstable spacing of traditional equipment are solved.

The utility model relates to the technical field of pickup equipment, in particular to an intelligent acoustic positioning imager. The sound source positioning device comprises a lower shell, a sealing rubber mat and a microphone main board, the lower shell, the sealing rubber mat and the microphone main board are sequentially connected from outside to inside to form a sound source positioning assembly, and a plurality of digital silicon microphone structures are distributed on the sound source positioning assembly in an array mode. Each digital silicon microphone structure comprises a lower shell pickup port arranged on the lower shell, a rubber mat opening arranged on the sealing rubber mat and a mainboard pickup port arranged on the microphone mainboard, the microphone, the lower shell pickup port, the rubber mat opening and the mainboard pickup port are sequentially butted and communicated, the microphone is positioned on the microphone mainboard and is aligned with the mainboard pickup port, and the lower shell pickup port is positioned on the lower shell and is aligned with the mainboard pickup port. The digital silicon microphone structures are mutually independent. Multiple paths of high-sensitivity digital silicon microphones are arranged in an array mode to form a recording system for cooperative work, and the functions of sound source positioning, noise suppression and the like are achieved. And a stepped pickup channel is adopted, so that the direction and the distance to a sound source can be accurately positioned.

The invention discloses an integrated concrete water collecting tank and a mounting method thereof. The integrated concrete water collecting tank comprises a tank body, an opening flange plate, an end flange plate and a rubber pad. A plurality of box bodies are arranged, and windows are formed in the end parts of the box bodies; the windows of the two adjacent box bodies are oppositely arranged and are communicated with each other; the opening flange plate is fixed on the peripheral surface of the corresponding window of the box body and extends along the outside of the box body; the end flange plate is fixed to the end of the box body and extends out of the box body, and the end flange plate, the mouth flange plate and the end face of the box body define a post-pouring cavity. And the rubber pad is embedded between the two opening flange plates of the two adjacent box bodies. After the two adjacent box bodies are in butt joint, the concrete is poured into the post-pouring cavity to connect the two box bodies into a whole, and the assembly type construction mode is adopted, so that the engineering construction cost can be reduced, and the construction speed can be increased; the problems that in the prior art, a water collecting device is long in construction period and low in efficiency, operators work in a limited space for a long time, and the danger coefficient is high are solved.

The utility model relates to the technical field of pipeline sealing rubber rings, in particular to a municipal drainage pipeline sealing rubber ring which comprises a first connecting pipe, a second connecting pipe and a connector, the connector is located at one end of the first connecting pipe and fixedly connected with the first connecting pipe, the second connecting pipe is located in the connector, an installation device is arranged in the connector, and the installation device is fixedly connected with the connector. And the mounting device comprises a connecting groove and a connecting ring. By arranging the mounting device, the connecting ring is effectively mounted and positioned, the effect of stably positioning the connecting ring is achieved, and the problems that when equipment is used, common equipment uses sealant to connect a rubber pad and the equipment, the sealant is prone to degumming after being used for a long time, and the service life of the equipment is prolonged are solved. And meanwhile, when the rubber pad needs to be replaced, a special tool needs to be used, so that the situation that maintenance personnel cannot quickly replace the rubber pad is avoided, the equipment mounting efficiency is greatly improved, and the working efficiency of the maintenance personnel is improved.

The utility model relates to the technical field of constructional engineering foundations, and discloses a detachable arc-shaped bracket deviation rectifying support device for open caisson construction, which comprises a left-area detachable supporting piece, a right-area detachable supporting piece, a middle-area anchoring piece, a rubber pad, a weighing sensor, a strain sensor, a limiting hole and a balancing weight. Wherein the left-area detachable supporting piece and the right-area detachable supporting piece are vertically inserted and assembled in an open caisson limiting hole through the middle-area anchoring piece, rubber pads are pasted on the contact faces of the left-area supporting piece and the right-area supporting piece and the inner side wall of an open caisson to prevent structural damage, and the top faces of the left-area supporting piece and the right-area supporting piece are each provided with a weighing sensor. A strain sensor is installed on the external slope of the left area supporting piece. The open caisson deviation rectifying support has the advantages of being convenient to disassemble and assemble, high in safety and the like, and the use efficiency of the open caisson deviation rectifying support can be effectively improved.

The utility model is suitable for the technical field of multi-layer composite product structures, and provides an under-rail reinforced rubber base plate of a multi-layer composite structure and application of the under-rail reinforced rubber base plate. A plurality of grooves which intersect in the inclined direction are formed in the pillow touching layer and the rail touching layer, the multiple upper grooves which intersect in the inclined direction jointly form network grooves, and the network grooves divide the pillow touching layer and the rail touching layer of the base plate into a plurality of shoulder pads. Therefore, the reinforced under-rail base plate can enable stress to be uniformly dispersed, fatigue recovery is more than two times faster than that of an existing base plate, the rhombic groove channels of the base plate are opened, and the ventilation, cooling and drainage speed is high. And meanwhile, the rhombic shoulder pad of the base plate can effectively restrain sliding abrasion and tearing caused by impact stretching of the base plate.

The utility model relates to the technical field of water conservancy construction, and discloses a novel waterproof structure for water conservancy construction, which comprises a sleeve, a sliding sleeve slidably mounted in the sleeve, a damping rubber mat and a fixed clamping plate mounted in the sliding sleeve, a first bolt mounted on the outer side surface of the fixed clamping plate, and a water pipe mounted on the inner side surface of the fixed clamping plate. A base is fixedly installed on the outer side face of the sleeve, a second bolt is installed on the outer side face of the base, and a fixing ring is arranged in the sleeve. A water pipe penetrates through the interiors of the two fixing clamping plates to be preliminarily installed in the sliding sleeve, then the two fixing clamping plates can be fixed to the outer side face of the sliding sleeve through parts such as the first bolts and the nuts, and meanwhile the two fixing clamping plates can clamp and fix the water pipe. And in addition, the multiple damping rubber pads can buffer external impact and vibration, the moving and swinging amplitude of the two water pipes is reduced, and the overall stability and sealing performance of the device are improved.

The floating ball valve production polishing device capable of effectively limiting comprises an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with a supporting plate, the side surface of the supporting plate is fixedly connected with a fixing rod, and the end, away from the supporting plate, of the fixing rod is rotationally connected with a rotating rod. The side surface of the supporting plate is fixedly connected with a connecting rod, the end, away from the supporting plate, of the connecting rod is fixedly connected with the C-shaped mold, the side surface of the C-shaped mold is fixedly connected with a spring, and the end, away from the C-shaped mold, of the spring is fixedly connected with a rubber pad. The ends, away from the springs, of the rubber pads are fixedly connected with grinding sand pieces, the ends, close to the springs, of the rubber pads are fixedly connected with sliding rods, and the ends, away from the rubber pads, of the sliding rods are fixedly connected with clamping blocks. Through the components, the rubber pad can drive the grinding sand sheet to grind the floating ball valves of different sizes, and meanwhile the grinding sand sheet can be driven to move under the action of the electric telescopic rod to grind the whole surfaces of the floating ball valves.

The invention discloses a method for fixing an anti-seepage transition section of an irregular rock slope of a mine pit landfill, which comprises the following steps of: wet-spraying anti-seepage gelling composite spraying filler on the irregular rock slope (1-2), and forming an anti-seepage gelling composite spraying filler layer (2) on the surface of the anti-seepage transition section; an anti-seepage geomembrane (3) is laid on a self-regular rock slope surface (1-1), then a rubber pad (7) and a thin steel plate (6) are laid on the anti-seepage geomembrane (3) from inside to outside, a hollow grouting anchor rod (4) is drilled from drill holes of the thin steel plate (6) and the rubber pad (7) in a self-drilling mode, and an anti-seepage plugging agent (8) is adopted for trimming. The method is applied to reinforcement of the irregular rock slope anti-seepage transition section of the mine pit landfill, the problem that the irregular rock slope anti-seepage transition section is prone to damage in the fixing process is solved, potential hazards are eliminated, the safety and reliability of an anti-seepage system are improved, good economic benefits are achieved, and safety and environmental protection benefits are remarkable.

The invention discloses a roll shaft adjusting device of a stable-tension laminator and a real-time roll material tension monitoring method, and relates to the technical field of roll shaft adjusting devices. The roll shaft adjusting device comprises two guide plates vertically arranged on the ground; through mutual cooperation of the extrusion roller and the pressure sensor, pressure data between the roller shaft and a film material can be conveniently obtained at any time, and the accuracy of film pasting tension detection is improved; a first electric telescopic rod is matched with a lifting plate, so that the tension can be dynamically adjusted in real time according to the film material characteristics and the film pasting speed, and the efficiency of film tension adjustment is improved; the adjusting sensitivity of the fixing plate is analyzed through the analysis module, and a corresponding signal is generated to enable the execution module to control the adjusting push rod to change the friction force between the rubber pad and the connecting rod, so that stepless adjustment of the moving sensitivity of the fixing plate is realized, and tensile deformation or light transmittance degradation of a membrane material caused by adjustment lag is avoided; and indentations or wrinkles on the surface of the membrane material caused by excessive mechanical response are avoided.

The utility model discloses a precast concrete component strength detection device which comprises a base, the upper surface of the base is fixedly connected with a mounting frame, the upper surface of the mounting frame is fixedly connected with a hydraulic mechanism, the lower pressing end of the hydraulic mechanism penetrates through the upper wall of the mounting frame, the lower end of the hydraulic mechanism is connected with a butt-joint plate in a clamped mode, and the butt-joint plate is fixedly connected with the upper wall of the mounting frame. When the device is used, the rubber pad makes close contact with a prefabricated part, an automatic telescopic rod is fixedly connected to the upper surface of the base, a mounting plate is fixedly connected to the end, close to the mounting frame, of the automatic telescopic rod, and the mounting plate penetrates through the front wall of the mounting frame. And the surface of the mounting plate is fixedly connected with a scraping plate, and the upper surface of the scraping plate is in close contact with the rubber pad. Through the device, the influence of the residues on the surface of the concrete prefabricated part on the detection result is reduced.

The utility model discloses a high-sealing low-error anti-slip water meter which comprises a detection mechanism, first flanges are fixedly connected to the two sides of the detection mechanism, and second flanges are arranged on the sides, away from the detection mechanism, of the first flanges. The water meter is excellent in measurement error and anti-idling effect, the anti-backflow pipes on the left side and the right side of the water meter can effectively prevent water flow from flowing back, when the water flow flows forwards, water pressure pushes the rubber pad and the supporting disc to enable the water flow to pass through gaps, if the water flow flows back, the water pressure enables the rubber pad and the fixing ring to be attached more tightly, backflow is prevented, and the water meter is convenient to use. And the metering error caused by idling is reduced. In the aspect of sealing performance, the adjacent sides of the first flange and the second flange are provided with the annular grooves, the sealing rings are arranged in the annular grooves, the protruding parts of the sealing rings are inserted into the annular grooves, the contact area is greatly increased, the occurrence probability of leakage channels is reduced, the sealing performance is greatly improved, and the device has the advantages of being small in measurement error, good in anti-idling effect and good in sealing performance.

The invention belongs to the technical field of dust explosion testing, and particularly relates to a dust explosion discharge testing device and method, the dust explosion discharge testing device comprises an explosion pipeline and a base, the top end of the explosion pipeline is provided with an end cover, the base is provided with a powder storage tank, the powder storage tank is internally provided with a mushroom-shaped nozzle, the mushroom-shaped nozzle is provided with a plurality of air holes, and the air holes are communicated with the explosion pipeline. A pressure sensor and an ignition electrode are installed on the side edge of the explosion pipeline. When the dust explosion release test is carried out, firstly, to-be-tested powder is placed in the powder storage tank, then the base is sequentially covered with the sealing rubber mat, the explosion pipeline, the explosion release film and the end cover, then compressed air in the air storage tank is controlled to be conveyed into the explosion pipeline through the mushroom-shaped nozzle, and the compressed air is sprayed into the powder storage tank through the air hole; and at the moment, sparks of the started ignition electrode can explode instantly when encountering dust cloud, and the explosion venting film on the top is broken to release pressure and flames.

The utility model discloses a moving contact riveting tool which comprises a working table, a supporting frame is fixedly installed on one side of the top end of the working table, an air cylinder is installed at the top end of the supporting frame, a lifting plate is fixedly connected to the bottom of the air cylinder, and a punching head is arranged in the middle of the bottom end of the lifting plate. A guide rod is fixedly mounted at the corner of the top end of the lifting plate; the combined use of a rubber pad, a movable rod and a first spring can facilitate the subsequent simple buffer protection of a moving contact subjected to stamping treatment, thereby preventing the damage of the moving contact caused by the overlarge stamping force of a stamping head, affecting the subsequent normal use of the moving contact, causing unnecessary material loss, and reducing the production cost. When the rubber pad is in contact with the moving contact, the movable rod is pushed longitudinally, then the movable rod moves longitudinally and drives the first springs to deform to generate reverse acting force, and the purpose of buffering protection can be achieved by combining the reverse acting force generated by deformation of the multiple first springs.

The utility model discloses fabric shaping and stretching equipment which is provided with a fixing frame and a lifting frame, a plurality of moving plates are connected to the fixing frame and the lifting frame in a sliding mode, an unfolding mechanism for driving the moving plates to be unfolded at equal intervals is arranged, and fabric is fixed through the moving plates on the upper side and the lower side. Then the multiple moving plates are driven by the unfolding mechanism to be unfolded at equal intervals, then multiple pulling forces towards the two sides are applied to the fabric, the overall stress of the fabric is more uniform, the frustum-shaped pressing pipes are arranged on the moving plates to reduce the contact face with the fabric, and the situation that the stretching effect is affected due to the fact that the area of the pressed part is too large is prevented; and a rubber mat is fixed on the pressing pipe to prevent the fabric from being scratched.

The utility model relates to the technical field of bearing pressing, and discloses bearing pressing equipment which comprises a supporting bottom plate, a soft rubber pad, a mounting groove, a mounting screw hole, a supporting table, a buffer spring, a workbench, a fixing ring, a discharging push rod, a movable plate, a supporting rod, a fixing plate and a supporting top plate. A mounting groove is fixedly formed in the right end of the supporting bottom plate, a mounting screw hole is fixedly formed in the upper end of the mounting groove, a supporting table is fixedly arranged at the upper end of the supporting bottom plate, a buffer spring is fixedly arranged at the upper end of the supporting table, and a workbench is fixedly arranged at the upper end of the buffer spring. A fixing ring is fixedly arranged at the upper end of the workbench. According to the bearing pressing equipment, through improvement of the bearing pressing equipment, the pressure of the bearing pressing equipment is more stable than that of the air pressure, meanwhile, the pressure of the bearing pressing equipment can be adjusted to the required pressure, and damage to a bearing caused by relatively stable downward pressing of the bearing pressing equipment is reduced.

The invention relates to the technical field of storage, in particular to a storage rack for storing materials and a system thereof, the storage rack comprises a storage mechanism, the storage mechanism comprises a placing part, the placing part comprises a cabinet body, a plurality of protective plates, a supporting plate and two fixing blocks, and the sides, close to the cabinet body, of the protective plates are fixedly connected with the cabinet body; a plurality of materials can be stored through the placing part, the materials at the top of the supporting plate can be clamped and fixed through the clamping part, and objects leaking from the materials can enter the supporting plate through a filter screen, then are discharged backwards through an inclined plate and are collected by a collecting box of the collecting part through a discharging hole; the water flow change preliminarily detected by the leakage detection component does not give an alarm, after the materials are stored for a long time, if the materials leak, the pressure on the rubber pad is changed, the area of the part, making contact with water, of the rubber pad is changed, the water flow sensor can detect the change of the water flow at the moment, and therefore the warning lamp gives an alarm.