61results about How to "Reliable and durable structure" patented technology

A midsole for footwear includes at least one solid or hollow cushioning tube positioned therein for improving the cushioning of the midsole. Preferably, the midsole includes a plurality of cushioning tubes fabricated of an elastomeric material. The tubes may vary in diameter and / or wall thickness relative to one_another for varying the cushioning and stability characteristics of the system. Each tube may also vary in diameter and / or wall thickness along its length.

The invention relates to the field of paper making and particularly provides an efficient waste paper pulverizing device. The pulverizing device comprises a horizontally arranged support frame, wherein a pulverizing box is arranged at the top of the support frame, a paper feeding box is arranged at the top of the pulverizing box, a partition board is horizontally arranged at the connecting part ofthe pulverizing box and the paper feeding box, a feeding opening is arranged in the top of the paper feeding box, and a conveyer belt for conveying waste paper is correspondingly arranged at the position of the feeding opening; and a material guide frame is arranged on the bottom partition board of the paper feeding box below the feeding opening, and a through hole is correspondingly arranged inthe partition board at the bottom outer side of the material guide frame. The structural design is reasonable, the waste paper can be rapidly swallowed after being filled, the pulverizing efficiency is high, and the part of the pulverized waste paper of which the size is unqualified can be effectively secondarily or repeatedly pulverized, so that high waste paper pulverizing rate is ensured. At the same time, fly dust in the pulverizing process of the waste paper can be effectively inhibited, a great working environment is ensured, the structure is reliable and durable, manual operation and maintenance are facilitated, the practicability is high, and actual use conditions are met.

A nail clipper includes a clipper body with a pair of jaws, an operating lever configured to move the jaws to cut nails, a hook member mounted to the clipper body, the hook member including a vertical groove portion extending vertically downwardly from an upper surface of the hook member, and first and second lateral groove portions extending in lateral direction from the vertical groove. The operating lever includes a front tip portion of generally bar or shaft shape, which is configured to be inserted through the vertical groove portion of the hook member and to couple with a selected one of the first and second lateral groove portions of the hook member to set a desired gap size of the matching jaw portions of the clipper body.

The invention discloses a single-screw multi-control type cutter frame structure of a dividing and cutting machine. The single-screw multi-control type cutter frame structure comprises a frame which is provided with a rotatable screw; the screw is connected with a driving motor; a beam which is parallel to the screw is fixed on the frame; a cylinder is fixed at a position of each end of the beam, wherein the position is close to the frame; a sliding rail is fixed on the beam; a cutter frame which can move along the sliding rail sleeves the sliding rail in an insertion mode; a circular hole is formed in the cutter frame, wherein the axis of the circular hole and the axis of the screw are overlapped; a nut which sleeves the screw in an insertion mode is arranged in the circular hole; a bearing is arranged between the screw and the inner wall of the circular hole; the cutter frame is also provided with a compression structure which is located below a cylinder push rod; the nut is compressed by or separated from the compression structure through the cylinders. According to the single-screw multi-control type cutter frame structure of the dividing and cutting machine, the cylinders and the compression structure are added and accordingly a plurality of cutter frame structures can be controlled by one motor and accordingly the equipment cost is greatly saved and the energy consumption of the equipment operation is reduced and the accuracy is high in the process of working of the equipment.

The invention discloses a prefabricated vertical and horizontal drainage guide system for a garbage landfill and a construction method of the prefabricated vertical and horizontal drainage guide system. The prefabricated vertical and horizontal drainage system for the garbage landfill comprises a liner structure, a reservoir body drainage guide structure and a vertical and horizontal drainage guide system. The liner structure comprises a compacted clay bottom layer, a geomembrane, a compacted clay surface layer and a UHPC sprayed impervious layer. The reservoir body drainage guide structure comprises a UHPC collecting well, a steel grating manhole cover, a circular pipe opening, a reservoir body geotechnical composite drainage network, a reservoir body cleaning gravel layer and a clay sealing layer. The vertical and horizontal drainage guide system comprises a UHPC core drainage pipe, UHPC longitudinal drainage pipes, UHPC transverse drainage pipes, a submersible sewage pump, a liftingrope and a drainage hose. By means of prefabricated construction, the system has short construction period and reliable and durable structure, can control the main level of leachate for a long time,and has the advantages of good drainage effect, long life cycle and low maintenance cost.

A spun-bonded polypropylene board comprises PP plastic boards and a chemical fiber grid layer and is structurally characterized in that the chemical fiber grid layer is of a net-shaped fiber structure, the PP plastic boards comprise two layers, the chemical fiber grid layer is located between the two layers of PP plastic boards, and the chemical fiber grid layer is in hot fusion connection with the PP plastic boards. The spun-bonded polypropylene board has the beneficial effects that the impact-resisting degree is high, and the board is not prone to being damaged. A manufacturing method of the spun-bonded polypropylene board is characterized by comprising following steps: a, an extrusion device A is arranged in the direction of a whole main device, and in the extrusion device A, polypropylene particles, polypropylene particle raw materials, modified materials and auxiliary materials are sufficiently mixed to form a formula raw material to be poured into a stirring structure to be stirred; and the beneficial effects of being high in rate of finished products and high in assembly line production degree are achieved.

The invention discloses an automatic thread disassembly and assembly tool. The automatic thread disassembly and assembly tool comprises a motor, a transmission shaft, a rotating joint and a connecting plate, wherein the motor is fixed to a motor support, the transmission shaft is connected to the output of the motor in a transmission mode, the rotating joint is arranged at the end of the transmission shaft and is used for clamping the end of a screw, and the connecting plate can vertically move relative to the transmission shaft and is arranged on the transmission shaft in a sleeving mode. A guide rod is arranged between the connecting plate and the motor support, the upper end of the guide rod is fixedly connected to the connecting plate, the lower end of the guide rod penetrates through the motor support, and a spring is arranged at the tail of the guide rod. According to the tool, the motor, the transmission shaft and the rotating joint can integrally move from front to back relative to the connecting plate, the spring is stretched for being matched with screwing-in or screwing-out of the screw, and therefore a sliding table is eliminated, manual operation is reduced, automatic disassembly is realized, the overall structure is reliable and durable, the appearance is attractive, the weight is light, and the size is small.

The invention relates to a watchband buckle, comprising a first buckle component and a second buckle component, which are correspondingly arranged in a matching manner and can be buckled or separated, wherein the first buckle component and the second buckle component respectively comprise a first buckle bottom plate and a second buckle bottom plate, a first rotating block, a second rotating block, a first positioning element, a second positioning element, a first connector and a second connector; each first buckle bottom plate and each second buckle bottom plate are clamped in a matching manner after each first buckle component is buckled with each second buckle component; each first rotating block and each second rotating block are buckled in the matching manner to form a rotary component; the rotary component rotates; each first connector can be buckled into or retreat from the second opening; and each second connector can be buckled into or retreat from the first opening, so that each first buckle component and each second buckle component are locked or loosened. The watchband buckle disclosed by the invention achieves locking or opening in a rotary manner, and is reliable and durable in structure, and convenient to use.

The invention discloses an underground ventilation system which comprises a main air duct, a plurality of branch air ducts, first-stage throttling orifice plate structures, first-stage differential pressure detection devices, second-stage throttling orifice plate structures and second-stage differential pressure detection devices. Each branch air duct is provided with a plurality of air openings;the first-stage throttling orifice plate structures are arranged between the main air duct and the branch air ducts, and each first-stage throttling orifice plate structure is provided with at least one first-stage throttling orifice; the first-stage differential pressure detection devices are used for detecting the differential pressure of the front sides and the rear sides of first-stage throttling orifice plates; the second-stage throttling orifice plate structures are arranged between the air ports and the branch air ducts where the air ports are located, and each second-stage throttling orifice plate structure is provided with at least one second-stage throttling orifice; and the second-stage differential pressure detection devices are used for detecting the differential pressure of the front sides and the rear sides of second-stage throttling orifice plates. The throttling orifice plate structures are easy to machine, low in cost, easy and convenient to install, free of quick-wear parts, reliable and durable in structure and long in service life, the airflow distribution accuracy can be guaranteed, and air volume distribution in the underground ventilation system can be monitored in real time.

The invention discloses a heat exchange two-layer pipe sealing structure. The heat exchange two-layer pipe sealing structure comprises an outer pipe, an inner pipe arranged in the outer pipe and a sealing component; the sealing component is installed on the inner pipe in a sleeving mode and comprises an external bevel; and the end of the outer pipe is provided with an internal bevel, and the external bevel and the internal bevel closely abut against each other. The invention further discloses an installing fixture. The installing fixture comprises an installing barrel, the inner side wall of the installing barrel is in threaded fit with the outer side wall of the connecting barrel, and an opening of the end of the installing barrel is provided with a stop body used for stopping the connecting barrel. The invention further discloses an installing method. The installing barrel is twisted to be installed on the connecting barrel through a thread in a sleeving mode, axial motion of the connecting barrel is stopped through the stop body, thus, the connecting barrel rotates along with the installing barrel, the installing barrel continues being twisted to be installed at the end of the outer pipe through a thread in a sleeving mode, the sealing component is pressed through a pressing body, the external bevel is made to be tightly attached to the internal bevel, the connecting barrelis welded to or adheres to the end of the outer pipe through welding or bonding equipment, and the installing barrel is reversely twisted to be separated from the connecting barrel. The heat exchangetwo-layer pipe sealing structure is better and more durable in sealing.

The invention discloses a press-mounting mechanism and device. According to the press-mounting mechanism and device, the technical problem that a press-mounting device provided by the correlative technology is liable to be damaged so as to have the short service life is solved. The press-mounting mechanism comprises a propelling assembly. The propelling assembly comprises at least two pushing blocks arranged in sequence in the same circumferential direction. An inserting hole used for inserting of the small-diameter end of a taper sleeve is defined by the at least two pushing blocks. Additionally, the at least two pushing blocks can get close to each other synchronously or be away from each other synchronously in the radial direction of the circumference to enable the diameter of the inserting hole to be adaptive to the outer diameter of the taper sleeve.

The invention relates to the technical field of oil exploration, belongs to oil exploration wellhead produced liquid flow control equipment, and particularly relates to a device capable of adjusting flow in a modularized mode. Through holes axially penetrating through end faces of two ends of a cylindrical module base body are uniformly distributed in the circumferential faces of end faces of the cylindrical module base body, module bodies are fixedly arranged in the through holes, the diameters of an inlet channel and an outlet channel at two ends of each module body are different, a ball valve is arranged between the inlet channel and the outlet channel at two ends in each module body, and a rotary shaft of each ball valve penetrates out of a cylindrical face of the module base body. The module bodies are installed in the uniformly distributed through holes in the end face of the module base body, the rotary shafts of the ball valves of the module bodies penetrate out of the cylindrical face of the module base body in a center radial mode, and the outer cylindrical faces of two ends of the module base body are respectively provided with connection threads. According to the device, on the condition that shut-down operation is needless, the hole diameter of an oil nozzle is conveniently adjusted, adjustment of the hole diameter is achieved through conversion of the module corresponding to the hole diameter, the modules are mutually independent and are not mutually influenced, operation is flexible, performance is reliable, utilization is convenient, each module can be independently replaced, and utilization cost can be reduced.

The invention discloses a special tool for tightening bolts on the live side by the ground potential method. The combination of an operating rod and a pull rope is used to deal with the defects of the bolts on the live side at the ground potential, so as to improve the defect elimination ability and ensure the safe operation of the line; the operating rod and the pull rope During the use process, one person can complete most of the tightening operations, saving manpower. The invention comprises an operating rod, the operating rod is connected with the fixed arm, the fixed arm assembly head of the fixed arm is connected with the tension arm assembly head of the tension arm, the top end of the fixed arm is extended with a reset arm, and the distal end of the tension arm is connected with the reset arm with a reset tension spring; the far end of the tension arm is also provided with a pull rope ring, and the pull rope ring is connected with a pull rope; the fixed arm ratchet rotating sleeve is rotated and installed on the fixed arm assembly head, and the inner wall of the fixed arm ratchet rotating sleeve is used for In the polygonal structure of the set bolt, the outer surface of the fixed arm ratchet rotating sleeve is the fixed arm ratchet, and the fixed arm ratchet is arranged on the fixed arm assembly head to cooperate with the fixed arm ratchet.

The invention discloses a window guardrail mounting mechanism, which comprises a sleeve, a connecting rod component, a connecting seat component and a fixing rod, wherein the sleeve is mounted in the wall; the interior of the sleeve is in clearance fit with the connecting rod component; the connecting rod component is composed of a connecting rod A and a connecting rod B which are mutually sleeved and fixed; the end part of the connecting rod A is positioned between the window guardrails; the connecting seat component comprises a connecting rod component fixing seat and a fixing rod mounting seat, the former sleeves the end part of the connecting rod B, and the latter is mounted in the connecting rod component in a step matching manner. Due to the adoption of the technical scheme, the window guardrail is in joint with the outer wall of the wall, the connecting rod component is in joint with the inner wall of the wall, the fixing between the window body and the wall is realized as long as the fixing rod penetrates the end part of the connecting rod B and then is in threaded connection with the connecting end of the fixing rod mounting seat. The window guardrail mounting mechanism has the advantages that in case of emergency, the fixing rod can be screwed down without the aid of a wrench, and the window guardrail can be pushed away from the wall, so as to realize escape, and therefore the escape requirements in case of emergency are more met.

The invention relates to a pre-pressing limiting seismic mitigation and absorption method and device for a bridge, and belongs to the technical field of bridge seismic mitigation. The pre-pressing limiting seismic mitigation and absorption method comprises the following steps that a pre-pressing spring is arranged between a pier and a main beam, the main beam acts on the pier in the compression direction of the pre-pressing spring through the pre-pressing spring, and the pre-pressing force of the pre-pressing spring is larger than or equal to 1.5 times of the friction force between the pier and the main beam. The pre-pressing limiting shock absorption and isolation device comprises a pre-pressing limiting unit, the pre-pressing limiting unit comprises a pre-pressing spring and a pre-pressing box used for compressing the pre-pressing spring, and a connecting rod is arranged between the pre-pressing spring and the main beam. When an earthquake is weak, the main beam and the bridge pier can be limited, the structural rigidity between the main beam and the bridge pier is kept, and a bridge structure is in a normal use state; when the earthquake intensity is large, the horizontal rigidity between the main beam and the bridge pier can be reduced, the earthquake response of the bridge is reduced, the position between the main beam and the bridge pier is automatically reset after the earthquake is finished, and normal use of the bridge is guaranteed.

The invention discloses a commercial lighting lamp protecting device. A body 1 is included, and is internally provided with a containing cavity 101, and a product can be placed in the containing cavity 101; one end of the body 1 is provided with a fixed supporting base 2 connected with the body 1 in a split manner and capable of preventing the product from falling out of one end of the body 1; theother end of the body 1 is provided with a packaging assembly 3 connected with the body 1 in a split manner and capable of being matched with the fixed supporting base 2 to seal the product in the containing cavity 101; a buffering protecting device 4 capable of protecting the product and fixing the position of the product is arranged in the containing cavity 101; a product containing position 401 for the product to be inserted in is arranged in the buffering protecting device 4; and the buffering protecting device 4 is connected with the body 1 in a split manner and is arranged between the fixed supporting base 2 and the packaging assembly 3.

The invention relates to a watchband buckle, comprising a first buckle component and a second buckle component, which are correspondingly arranged in a matching manner and can be buckled or separated, wherein the first buckle component and the second buckle component respectively comprise a first buckle bottom plate and a second buckle bottom plate, a first rotating block, a second rotating block, a first positioning element, a second positioning element, a first connector and a second connector; each first buckle bottom plate and each second buckle bottom plate are clamped in a matching manner after each first buckle component is buckled with each second buckle component; each first rotating block and each second rotating block are buckled in the matching manner to form a rotary component; the rotary component rotates; each first connector can be buckled into or retreat from the second opening; and each second connector can be buckled into or retreat from the first opening, so that each first buckle component and each second buckle component are locked or loosened. The watchband buckle disclosed by the invention achieves locking or opening in a rotary manner, and is reliable and durable in structure, and convenient to use.