28results about How to "Effective buffer" patented technology

This invention discloses a method for coordinated unloading-support-filling roadway protection in a longwall mining face of a steeply inclined coal seam. The method includes: arranging pre-reinforcing anchor bolts and cables at certain intervals in the transport roadway to reinforce the transport roadway in advance; pre-excavating a gap in the upper side of the transport roadway by blasting, and adding reinforcing anchor bolts and cables to the cross-section of the pre-excavated gap; arranging pressure-relief boreholes at certain intervals in the center of the coal seam roof at the pre-excavated gap, and implementing pressure-relief blasting after the support is moved; using I-beams and retractable modular roadway protection supports as the first and second layers of rock-blocking support, respectively; filling and sealing the goaf area above and on the sides of the retractable modular roadway protection supports with local filling materials; and arranging single hydraulic props for delayed support at a certain distance from the coal wall of the lagging face inside the roadway along the goaf. This method provides good support, significantly increases the speed of roadway retention in a longwall mining face of a steeply inclined coal seam, and effectively ensures safe and normal production.

The utility model belongs to the technical field of packaging bag production, and particularly relates to a packaging bag exhaust device which comprises a conveying frame. A pneumatic module is mounted in the middle of the conveying frame; a fixing frame is mounted at the output end of the pneumatic module; two connecting frames are mounted on the side wall of the conveying frame; the two connecting frames are oppositely arranged; a fixing frame is mounted in the middle of the two connecting frames; a mounting plate is mounted in the middle of the fixing frame; an exhaust sponge block is fixedly connected to the middle part of the mounting plate; a mounting assembly is arranged between the fixing frame and the mounting plate; a pressing assembly is installed in the middle of the conveying frame. The side wall of one fixing frame is fixedly connected with a connecting plate; bristles are fixedly connected to the middle of the connecting plate; a dust collection assembly is mounted in the middle of the connecting plate; by means of the structure, the exhaust sponge block can be rapidly replaced, the abraded sponge plate can be replaced in time, and the tedious steps of disassembling and assembling the exhaust sponge block through a tool are effectively reduced.

The utility model discloses a kind of pressing equipment of remote controller shell, it is related to pressing equipment technical field, including placing groove board and pressing plate, the inner cavity wall bottom of placing groove board is placed with positioning block, the front and rear side wall of positioning block is fixedly connected with adjusting tooth block, the inner cavity wall of placing groove board is opened with adjusting tooth slot in two sides, the bottom left side of pressing plate is fixedly connected with first pressing block, the bottom right side of pressing plate is equipped with second pressing block, adjusting pressing block is equipped between the first pressing block with the second pressing block, the pressing equipment of remote controller shell is positioned groove, adjusting tooth block and adjusting tooth slot by positioning block cooperation, so that in use can adapt to different size remote controller, so that applicability greatly improves, while conveniently and quickly fixed limit remote controller to facilitate subsequent pressing, support block is used to support remote controller when pressing, improve pressing effect while protecting remote controller button.

This utility model relates to the field of aluminum alloy profile technology and discloses an easy-to-install reinforced aluminum alloy profile structure, including an upper rounded corner anti-collision frame. This easy-to-install reinforced aluminum alloy profile structure uses connecting pins on the lower left and right sides of the upper rounded corner anti-collision frame to insert into connecting grooves on the upper left and right sides of the lower rounded corner anti-collision frame, protecting the inner aluminum alloy profile body from impacts and deformation at the four corners. Rubber buffer pads are adhered to the outer side for effective cushioning during collisions. During installation, a T-shaped connecting block on one side of the aluminum alloy profile body is inserted into a T-shaped groove on the side of another aluminum alloy profile body. Anti-slip pads are provided in the T-shaped grooves to increase friction between the two, preventing loosening after installation and ensuring installation stability. Installation is quick and efficient, requiring fewer connectors and complex tools.

The invention relates to an intelligent automatic bag turning gantry crane which comprises a rack and a bag turning device, the bag turning device comprises a plate hook mechanism and a supporting and turning mechanism, and the supporting and turning mechanism is installed at one end of the rack; the plate hook mechanism is installed on the machine frame, can reciprocate in the direction from one end of the machine frame to the other end of the machine frame and is used for hoisting and conveying the cinder ladles and conveying the cinder ladles to the supporting and overturning mechanism, and meanwhile the plate hook mechanism is matched with the supporting and overturning mechanism to conduct ladle overturning treatment on the cinder ladles. The slag ladle overturning device has the beneficial effects of being compact in structure, reasonable in design, capable of achieving stable conveying and overturning of slag ladles in the metallurgical operation process, high in operation efficiency, concentrated in slag dumping, convenient to conduct follow-up centralized treatment, safe and reliable.

The utility model relates to spring processing and grinding technical field, concretely is a kind of anti-shaking spring processing vibration grinding device, including mounting seat, base, material hopper, vibrator, feed end and buffer device, the base fixedly connected in the upper surface of mounting seat, the material hopper is installed in the upper end of base, the vibrator is fixedly connected in the inside of material hopper, the feed end is fixedly connected in the outer surface of material hopper;The buffer device is installed in the outer surface of material hopper, the buffer device includes connecting frame and connecting ring, the connecting ring is fixedly connected in the outer surface of material hopper, the connecting frame is fixedly connected in the upper surface of mounting seat, the connecting ring is fixedly connected with slide rod at the end away from material hopper, the surface of slide rod is slidably connected with limit stop plate.The utility model buffer device, through the cooperation between limit stop plate, slide rod, connecting ring and first spring etc. component, realizes the buffering to material hopper, improves the service life of equipment.

The utility model relates to the technical field of motor suspension, in particular to a motor suspension structure which comprises a suspension framework (1). A bracket connecting structure is arranged on the suspension framework (1); a buffer structure is arranged in the bracket connecting structure, and the bracket connecting structure is connected with a wire harness bracket; the suspension framework (1) is respectively connected with an auxiliary frame and a motor; the support connecting structure can provide an installation position for the wire harness support and can achieve stable connection between the wire harness support and the suspension framework. The buffering structure can provide effective buffering for the wire harness support. Compared with the existing motor suspension performance, the vibration transmitted by the high-voltage wiring harness or the water pipe can be attenuated for the first time through the press-fitting rubber bushing and then transmitted to the motor suspension main spring for secondary attenuation, and the suspension NVH performance of the whole vehicle is better.

The utility model discloses a high anti -seismic structure of modularization building belongs to modularization building field, including modularization building main part still includes: anti -seismic subassembly, its setting is in modularization building main part, is used for promoting the anti -seismic ability of modularization building main part, wherein, anti -seismic subassembly includes the notched groove of setting in modularization building main part bottom several groups, the inboard of notched groove is fixed with first fixed part, the inboard of first fixed part is equipped with movable element, the inside of first fixed part is provided with compression spring, the outside of first fixed part is provided with two groups of sliding groove, the inboard of every group notched groove is all hinged with two groups of damper, through the cooperation of above -mentioned each device between uses, has changed the limitation of only being able to play a role in single direction of anti -seismic subassembly in the prior art, has greatly enhanced the anti -seismic performance of modularization building main part, can better cope with complex vibration scene such as earthquake.

The utility model discloses a chain breakage buffering device for a plate chain conveyor, which belongs to the technical field of plate chain conveyors and comprises a plate chain conveyor body and a concave frame arranged on the plate chain conveyor body, and a chain breakage buffering mechanism is arranged on the top surface of the concave frame. The chain breakage buffering mechanism comprises an L-shaped plate, a screw rod, a pressing plate, a top plate, a concave plate, a pressing wheel, a buffering rod and a buffering spring, when a plate chain of the plate chain conveyor body is broken, the broken plate chain upwards impacts the pressing wheel, the pressing wheel drives the buffering rod to upwards compress the buffering spring through the concave plate, and therefore the chain breakage buffering effect is achieved. The elastic deformation of the buffer springs can absorb impact force generated by chain breakage, kinetic energy is converted into elastic potential energy, the impact strength of the plate chain is effectively reduced, the plate chain is prevented from splashing, then the broken chain can be effectively buffered, potential safety hazards to surrounding personnel are avoided, and the safety of the plate chain conveyor in the using process is improved.

The invention relates to the technical field of unmanned aerial vehicle take-off and landing, and discloses a field take-off and landing platform for an unmanned aerial vehicle, which comprises a mounting plate, a supporting mechanism is arranged at the bottom of the mounting plate, a buffer mechanism is arranged at the top of the mounting plate, a second fixing plate is arranged at the top of the buffer mechanism, and a lifting mechanism is arranged at the top of the second fixing plate. And an unmanned aerial vehicle body is arranged at the top of the lifting mechanism. According to the field take-off and landing platform for the unmanned aerial vehicle, through the arranged buffer mechanism, under elastic potential energy of a first spring and a second spring, impact force generated by the unmanned aerial vehicle downwards can be effectively buffered, the phenomenon that the take-off and landing platform is damaged due to the fact that the impact force of the unmanned aerial vehicle is too large is avoided, and the unmanned aerial vehicle and the take-off and landing platform are protected; and through the arranged lifting mechanism, lifting of the take-off and landing platform can be achieved, the flight height suitable for the unmanned aerial vehicle can be adjusted according to the height of the terrain, and the practicability of the device is improved.

The utility model discloses a glue breaking mechanism of a primer wheel of a primer machine. The glue breaking mechanism comprises a knife switch, a curved bar, a rotating shaft and a chain wheel assembly, the chain wheel assembly comprises a first chain wheel, a second chain wheel, a chain and a rotation driving device, the rotation driving device drives the second chain wheel, and the chain drives the first chain wheel and the rotating shaft to rotate synchronously; one end of the cranked lever is connected with the rotating shaft, and the other end of the cranked lever extends into the glue groove and is connected with a knife switch which is horizontally arranged on one side of the bottom glue wheel; the rotary driving device rotates positively and negatively to drive the curved bar to swing left and right to realize contact and separation of the knife switch and the side surface of the bottom rubber wheel to finish rubber breaking and coating; one side of the chain is designed to be of a fracture structure, and the fracture position is connected through a buffer assembly to adapt to the high-speed frequent glue breaking working condition. Through the design of chain wheel transmission and the buffer assembly, accurate glue breaking and gluing control is achieved, the stability of the glue breaking mechanism is enhanced, and the glue breaking mechanism is suitable for the production requirement for high-speed frequent glue breaking.

The utility model provides a kind of for large flow layered buffer hydraulic valve, it is related to hydraulic control technical field, including valve body, the outer surface top of valve body is fixedly connected with hydraulic storehouse, the inner surface sliding connection of hydraulic storehouse has piston slide plate, the bottom fixed connection of piston slide plate has buffer valve core, the middle part fixed connection of valve body has valve seat, the middle part of valve seat is provided with through hole, the bottom end of buffer valve core is penetrated to the inner surface of through hole.The utility model when liquid pressure effect, will be extruded to side pressure plate and lower pressing plate, make two respectively extruded buffer spring one and buffer spring two, simultaneously with the linkage of side pressure plate and lower pressing plate by means of push rod and push column, let them mutually provide damping between each other, this structural principle makes that buffer effect is better, and in buffering process, it will not be like comparative document as buffer groove is led through to influence valve closure, guarantees the normal closure function of valve.

The utility model relates to the technical field of pipeline supports, discloses a power plant anti-explosion type pipeline support assembly with an emergency pressure relief function, and solves the problems that an existing pipeline support and a pipeline are in rigid connection generally, the effective anti-explosion effect is not achieved, and the pipeline support cannot be damaged. The device comprises a supporting frame, supporting rods are fixedly installed at the two ends of the top of the supporting frame, a lower clamping hoop is fixedly installed in the middle of the top of the supporting frame, an upper clamping hoop is arranged above the lower clamping hoop, and soft cushions are fixedly installed on the two sides of the inner wall of the upper clamping hoop and the two sides of the inner wall of the lower clamping hoop. Air cushions are fixedly mounted in the middles of the inner walls of the upper clamp and the lower clamp, a servo motor is fixedly mounted on one side of the top of the supporting frame through a supporting plate, and a transmission assembly is arranged at the output end of the servo motor; good buffering is achieved between the pipeline support and the pipeline, pipeline damage caused when the support is subjected to external explosion impact is avoided, and the service life of the pipeline support is prolonged.

The utility model discloses a self-adjusting drying device for automatic processing of agricultural products, and relates to the technical field of drying equipment, the self-adjusting drying device comprises a device shell and a storage door, the outer wall of the device shell is provided with the storage door and an automatic assembly, one end of the device shell is provided with a positioning assembly, and the positioning assembly comprises a limiting plate, a straight gear and a belt. A rack is installed at one end of the limiting plate, a straight gear is installed on the outer wall of the rack, a connecting rod is installed at one end of the straight gear, and a bevel gear set is arranged at the other end of the connecting rod. Through the arrangement of the positioning assembly, the step of the outlet in the device shell is effectively buffered, a worker can conveniently move out the storage rack, the work efficiency is improved, meanwhile, shaking of agricultural products is reduced, through the arrangement of the groove, the multiple sets of protruding blocks are arranged at the top of the groove, the surfaces of the protruding blocks are in a concave-convex shape, and therefore the stability of the storage rack is improved. The friction force of the grooves is effectively improved, and the stability of the storage rack in the moving process is improved.

The utility model discloses a transparent high-strength glass cover plate, and belongs to the technical field of glass cover plates. A transparent high-strength glass cover plate comprises a buffer supporting assembly, a front cover plate assembly and a rear cover plate assembly, the front cover plate assembly comprises an aluminum alloy framework, and the risk that the glass cover plate is deformed and damaged due to uneven stress when the front portion of the glass cover plate is impacted is reduced through aluminum; the overall bending strength of the glass cover plate can be further improved through the aluminum alloy framework and the chemically strengthened glass, the protection comprehensiveness of the glass cover plate is better than that of an existing glass cover plate, edge impact and front impact of the glass cover plate can be effectively buffered better, and the overall impact strength of the glass cover plate is improved.

The utility model relates to the technical field of insect-borne infectious disease sampling. The portable insect-borne infectious disease sampling box comprises a main body structure, and the main body structure comprises a protection barrel, a hinge seat, a limiting block and a collection box; and the sealing structure comprises a connecting block, a sealing cover and a sealing gasket, and the interior of the lower end of the connecting block is connected with the middle position of the hinge seat in a hinged mode. Through the arrangement of the connecting belt, the portability of the equipment during use can be improved, a user can lift the equipment more conveniently to move through the design, and sampling test tubes can be limited through the arrangement of the multiple groups of fixing holes; through the arrangement of multiple groups of buffer pads, the bottoms of the test tubes in multiple groups of fixing holes can be effectively buffered, the stability of the collection test tubes in the collection box can be improved through the design, and the stability of the collection test tubes in the collection box can be effectively improved during equipment transportation.

The utility model relates to cutting head technical field discloses the cutting head of rotatable tool, including the sleeve pipe, the inside of sleeve pipe is opened with a plurality of slide rails, the left side slide connection of sleeve pipe has the slide rod, the outside all round fixed connection of slide rod has a plurality of sliding blocks, a plurality of the outside all slide connections of sliding block are in a plurality of slide rails's inside, the left side of slide rod is opened has the recess, the inside middle part fixed connection of sleeve pipe has the engaging block no.

The utility model relates to the technical field of filling, and particularly discloses a chemical filling system, which comprises a diaphragm pump, a storage hopper and a buffer tank, the liquid inlet end of the diaphragm pump is connected with a feed pipe, the liquid outlet end of the diaphragm pump is connected with a discharge pipe, the discharge pipe is connected with the buffer tank, the liquid outlet end of the buffer tank is connected with a blanking pipe, and the blanking pipe is connected with the storage hopper. One end of the discharging pipe is connected with a first pneumatic ball valve, and the liquid outlet end of the first pneumatic ball valve is connected with a storage hopper through a hose. The utility model has the advantages that the filling precision can be improved, and the filling error is within a controllable range.

The utility model discloses an automatic response type livestock and poultry drinking water equipment, including drinking trough, arc drainage board, mounting plate, salt storage pipe, installation vertical pole, fixed bolster, automatic water stop ball valve, water supply pipe, arc drainage board is welded in drinking trough inner groove airtightness, and the top position of arc drainage board is welded mounting plate backward, and the through -hole of mounting plate inserts and installs salt storage pipe, and the installation vertical pole of drinking trough backward welding installs is positioned and installs automatic water stop ball valve through fixed bolster, and the water outlet of automatic water stop ball valve is communicated and installs water supply pipe, an automatic response type livestock and poultry drinking water equipment, and the water supply pipe of automatic water stop ball valve's floating ball response stops water supply when water floats, and the inlet is set up with salt storage pipe intercommunication, and the storage of built -in storage pipe in salt storage pipe stores livestock and poultry edible salt and drinking water proportioning and forms edible salt water, and the water level of drinking trough shakes in the eating process of sheep, and the flow realizes effective buffering through arc buffer board, and the water flow shakes limit design is done to upper water baffle, and the water flow is avoided irregularly and shakes and spills.

This utility model discloses a bar falling buffer device, which relates to the field of bar production technology. It includes a support frame with inclined plates evenly arranged on it. From low to high, the inclined plates are respectively equipped with a blocking buffer device, a second buffer component, and a first buffer component. The tops of both the first and second buffer components extend above the inclined plates. When the bar falls, it is first buffered by the first buffer component, and then rolls onto the second buffer component for further buffering, significantly reducing the impact force when it hits the inclined plates. This better buffers the impact force of the falling bar, preventing deformation. A short-stroke secondary spring assists the main spring component in quickly returning from a compressed state to an extended state, effectively buffering the next bar about to fall.

The utility model relates to chemical industry storage tank supporting technical field discloses a multilayer superposition formula propylenediamine storage tank shockproof support, including connecting plate no.

The application relates to the technical field of die-cutting equipment, and discloses a die-cutting mechanism with accurate positioning for a die-cutting machine, which comprises a pressing plate and a horizontal plate, the horizontal plate is arranged directly above the pressing plate, a cutting hole is formed in the pressing plate, a die-cutting cutter is fixedly installed below the horizontal plate directly above the cutting hole, a buffer mechanism is connected between the horizontal plate and the pressing plate on the two sides, a groove plate is arranged directly above the horizontal plate, an adjusting mechanism is connected between the groove plate and the horizontal plate, and an installation mechanism is arranged on the two sides of the groove plate. The automatic degree of the die-cuting mechanism is obviously improved through the control system, accurate setting and real-time monitoring of die-cutting parameters can be realized, manual intervention is reduced, only one person is needed to look after a single device, and the production efficiency is effectively improved.

This utility model discloses a binding device for cardboard packaging, belonging to the field of cardboard production technology. The key technical points include a base plate, with support rods bolted to the four corners of the top of the base plate. A worktable is bolted between the tops of the four support rods. A rotating assembly and a flexible pressing assembly are respectively arranged on the top of the worktable. The flexible pressing assembly includes a mounting frame, the bottom of which is bolted to the top of the worktable. A first telescopic electric cylinder is arranged at the top inside the mounting frame, and a connecting sleeve is fitted at the bottom of the first telescopic electric cylinder. This invention solves the problems of existing devices, which often cannot control the optimal pressing force according to the characteristics of the cardboard when pressing stacked cardboard. Furthermore, during the pressing process, excessive speed or force can easily cause damage and deformation to the cardboard. Additionally, most existing devices can only bind from both sides during the binding process, making it difficult to adapt to higher binding requirements.

The utility model discloses a wear-resistant plastic runway material, relates to plastic runway technical field, including plastic runway main part, antiskid layer and polyurethane thermoplastic layer, plastic runway main part bottom is provided with gravel layer, and concrete layer is provided above gravel layer, and concrete layer upper end is provided with polycarbonate layer, and the polyurethane thermoplastic layer is provided with polyurethane thermoplastic layer. A polycarbonate layer is arranged on the upper end of the base layer, a polysiloxane layer is arranged on the polycarbonate layer, a polyetherimide layer is arranged on the upper end of the polysiloxane layer, a titanium dioxide layer is arranged on the polyetherimide layer, a polyurethane foam plastic layer is arranged on the upper end of the titanium dioxide layer, and an anti-skid layer is arranged on the polyurethane foam plastic layer. And a polyurethane thermoplastic layer is arranged at the upper end of the anti-skid layer. According to the wear-resistant plastic runway material, the problems of high temperature resistance and low use strength of an existing plastic runway can be avoided, meanwhile, the wear resistance of the surface of the plastic runway is improved, the overall service life of the plastic runway is prolonged, and meanwhile, the overall practicability and the use efficiency of the plastic runway are improved.

The invention relates to the technical field of charging pile cable storage, in particular to an automobile charging pile charging cable storage device which comprises a charging pile host, a charging gun, a cable, a positioning buffer unit, a storage unit and a fine adjustment assembly. The storage unit is arranged on the outer side of the connecting end of the cable and the charging pile host, comprises a storage box, a separation frame and automatic winding assemblies arranged in a staggered mode, and is matched with the detector to achieve intelligent segmented winding and unwinding of the cable. The fine adjustment assembly is arranged on the outer side of the connecting end of the cable and the charging gun and used for compensating the position deviation between the charging gun and the vehicle charging base. And the positioning buffer unit is used for rapid installation and collision buffer of the equipment. According to the invention, automatic winding and unwinding and accurate control of the cable are realized, the cable is effectively prevented from being worn to the ground, the use safety and convenience are improved, and meanwhile, the device has the functions of rapid installation and buffer protection, is high in adaptability and has a good practical prospect.