19results about How to "Shorten closing time" patented technology

The utility model relates to the technical field of electronic control devices, in particular to a relay, which comprises a base, a movable contact assembly, a static contact piece and a magnetic circuit part, the movable contact assembly comprises a movable contact piece and a first elastic piece, the first elastic piece is connected with the movable contact piece, the magnetic circuit part is used for driving the movable contact piece to be switched between a closed position and an open position, the movable contact piece and the static contact piece are attracted at the closed position, and the movable contact piece and the static contact piece are disconnected at the open position; the base is provided with a limiting part, and the limiting part is configured to enable the first elastic piece to store energy in the action direction of the movable contact piece when the movable contact piece is located at the closed position and the open position, and to apply an acting force suitable for moving away from the static contact piece and an acting force suitable for moving towards the static contact piece to the movable contact piece. Therefore, the response speed of opening and closing of the moving contact and the static contact can be improved.

The invention is suitable for the technical field of energy storage liquid cooling devices, and provides a modular self-cleaning liquid cooling constant temperature device which comprises an electric control assembly, a water pump unit, a heat pump unit and an air heat exchanger assembly, the electric control assembly is connected with the peripheries of the water pump unit, the heat pump unit and the air heat exchanger assembly, and the electric control assembly and the water pump unit are arranged in parallel. And the air heat exchanger assembly is arranged beside the water pump unit. According to the scheme, the defects and deficiencies of an existing energy storage liquid cooling device system are overcome, a traditional liquid cooling device is changed into a modular product, occupied space is greatly reduced, split modularization has the advantages of being small in size, light in weight, convenient to install and maintain and the like, and due to the fact that each module is small in size, cost is low. When the device breaks down, a fault module can be taken down and a new module can be directly installed, the closing time of the energy storage system is shortened, the efficiency is guaranteed, the device is additionally provided with the automatic cleaning assembly, and the automatic cleaning function is achieved, so that the labor input is reduced, and the fault rate is reduced.

The utility model discloses a synchronous emulsified asphalt filling device of a synchronous spreading paver. The device is composed of a vehicle-mounted emulsified asphalt storage tank, a vehicle-mounted emulsified asphalt booster pump, a fixing frame, a pipeline winch, a conveying hose and a paver emulsified asphalt storage tank. The vehicle-mounted emulsified asphalt booster pump and the paver emulsified asphalt storage tank are connected through a conveying hose; the conveying hose stretches out and draws back through a pipeline winch. The pipeline winch and the vehicle-mounted emulsified asphalt booster pump are fixed through a fixing frame. The emulsified asphalt filling device is simple in structure, emulsified asphalt can be synchronously filled without shutdown under the condition that the synchronous spreading paver and the emulsified asphalt storage vehicle advance in parallel, the road closing time caused by emulsified asphalt filling due to shutdown is shortened, and the problems of potential quality hazards of a road surface and the like caused by shutdown are solved.

The invention relates to an additive for enhancing the repairing capacity of an asphalt concrete pavement and a preparation method of the additive, and belongs to the technical field of asphalt concrete pavement repairing. The preparation raw materials comprise 10-15 parts of a surface coagulant, 10-15 parts of diathermanous filaments, 3-9 parts of a surfactant, 6-8 parts of an antioxidant, 3-6 parts of an anti-ultraviolet agent and 30-40 parts of a styrene-butadiene-styrene block copolymer. The surface coagulator prepared from the anaerobic adhesive solution, the alpha-cyanoacrylate adhesive solution and the pore increasing powder enables the surface of the additive to be coagulated for a shorter time, and when cracks on the asphalt pavement are repaired, traffic can be opened to the fastest extent, so that the road section closing time is shortened as much as possible, and the pressure of road congestion is relieved as much as possible; besides, the area of penetration and extension of the additive into the asphalt through cracks is maximum, so that the overall strength and stability of a repaired part are enhanced, cracks, potholes and other diseases can be better filled, and the flatness and durability of a road are improved.

The invention discloses a preparation method and preparation equipment for a colored permeable pavement repair liquid, and relates to the technical field of pavement repair, and the technical key points are as follows: the preparation method comprises the following steps: preparing and mixing a component A and a component B; the component A is formed by mixing high-molecular modified epoxy resin, nitrile rubber, xylene and butanol according to the weight ratio of (35%-45%): (5%-15%): (30%-50%): (4%-18%); the component B is formed by mixing polyamine, butanol, xylene and a drying regulator according to the weight ratio of (35%-50%): (3%-10%): (30%-40%): (10%-20%); the preparation method comprises the following steps: uniformly preparing the component A and the component B respectively under a stirring condition, mixing according to a weight ratio of 2: 1, and controlling the stirring speed to be 600-1000 revolutions per minute until the uniform pavement repair liquid is obtained; the technical problems of high cost, high complexity, poor attractiveness and long period in the existing permeable pavement repairing process are solved.

The invention discloses a brand new sequence small nucleic acid molecule QuickHeal RNA-1 capable of promoting wound healing, and provides an effective chemical modification method. The invention also discloses an application of the novel small nucleic acid molecule in a skin acute wound healing animal model. The invention discloses the small nucleic acid molecule QuickHeal RNA-1 capable of promoting skin wound healing for the first time, and the small nucleic acid molecule QuickHeal RNA-1 can be used as a candidate medicine for treating acute skin wounds. The small nucleic acid molecule Quick Heal RNA-1 disclosed by the invention has a relatively good application prospect in preparation of a medicine for healing a skin wound. The method has a wide application prospect.

The utility model relates to pig feed production technical field, concretely is a kind of quantitative oil adding equipment, including oil storage structure, adding structure and quantitative adding structure, and oil storage structure includes oil tank;Adding structure is interconnected with oil tank, and adding structure includes quantitative tank;Quantitative adding structure is fixedly installed in quantitative tank inside, and quantitative adding structure includes force plate, and force plate middle part is connected with limit slide block by bearing rotation sleeve, and limit slide block is screw joint with the upper end of pull plug rod, and pull plug rod middle part is sealed sliding sleeve joint with float plate, and pull plug rod lower end is fixedly connected with sealing plug.The utility model in the present application, with the injection of oil liquid float plate is lifted, and after floating a certain distance, force plate is lifted, and then using pull plug rod to open sealing plug to open oil discharge passage, carry out oil liquid adding work, until quantitative tank oil liquid is exhausted, float plate falls back using float plate self weight, and sealing plug is compressed to block the passage again, realize oil quantitative adding work.

The utility model discloses an internet material platform for a transportation device, and relates to the technical field of monitoring platforms. The internet material platform for the transportation device comprises the internet material platform for the transportation device and a platform body, a heat dissipation assembly is arranged on the platform body, and the heat dissipation assembly comprises a heat dissipation net, a first spring, a clamping column, a first sliding groove, a small ball, a first groove, a second spring, a circular ring piece, a second sliding groove, a button body, a button, a third spring, a limiting groove and a second groove. According to the internet material platform for the transportation device, the heat dissipation net in the heat dissipation assembly is arranged, the clean heat dissipation net can be replaced only by pressing a button, dust is prevented from affecting heat dissipation of the internet material platform for the transportation device, then the internet material platform for the transportation device continues to work, and compared with a common mode that the heat dissipation net is installed through screws, the heat dissipation efficiency is improved. The push button is more rapid to disassemble, and the time for shutting down the internet material platform for the transportation device is shortened.

The invention discloses a rapid cooling process and device for asphalt pavement paving, and the rapid cooling device adopts an air cooling structure crossing a pavement and utilizes a plurality of air blowing units to work simultaneously, so that the temperature of an asphalt layer can be rapidly reduced, and the cooling time is obviously shortened. On the basis, according to the rapid cooling process, cooling and paving are carried out at the same time on different length sections of a construction road section through the device. When asphalt is paved on one length section, the previous paved and preliminarily solidified length section can be quickly cooled, so that the overall construction efficiency is greatly improved, and the closing time of a construction road section is remarkably shortened.

The utility model provides a municipal road well chamber lifting tool which comprises a steel plate and further comprises an extension plate, one end of the extension plate is fixedly connected with one end of the steel plate, the other end of the extension plate is slidably connected with the other end of the steel plate, and the steel plate and the extension plate are matched and wound to form a circle or an oval. The inner side of the steel plate is connected with a second baffle, the inner side of the extension plate is connected with a first baffle, the second baffle is in threaded connection with a screw, and one end of the screw penetrates through the second baffle to abut against the first baffle. The device is convenient to operate, the problem of traditional well chamber lifting is solved, the method is simple, the construction efficiency is greatly improved, meanwhile, the labor intensity is reduced, potential safety hazards are eliminated to the maximum extent, the device can be recycled, the investment of equipment personnel is reduced, the construction cost is reduced, and the economic benefits are improved.

The invention relates to the technical field of bridge construction, in particular to an on-bridge bridging construction method for punching holes in a bridge and driving a temporary support. And upwards extending from the strip-shaped foundation to the lower part of a round hole punched in the original bridge wet joint position. The upper supporting column is a steel pipe concrete short column externally connected to the upper portion of the steel pipe column and penetrates through the hole of the T-beam wing plate. The on-column structure comprises a bearing structure and a supporting structure, I-shaped steel is transversely arranged on the concrete filled steel tube short column to serve as the bearing structure, and Bailey beams are longitudinally arranged on the I-shaped steel to serve as the supporting structure. By means of the method, the construction efficiency is effectively improved, under the condition that the traffic condition in a city is complex, construction does not need to occupy a large-area site, the closing time of an original bridge can be shortened, even the original bridge does not need to be closed, and therefore the influence on traffic in the construction process is reduced. The method is mainly applied to the on-bridge bridging construction of punching holes on a bridge and punching a temporary support.

The invention discloses an adjusting valve with a bivalve butterfly type non-return function. The adjusting valve comprises a valve body, two valve rods and two adjusting assemblies. A circulation channel is arranged in the valve body, and a step face is arranged on the circulation channel. The two valve rods are arranged along the same rotation axis, and one end of each valve rod extends into the circulation channel. The two adjusting assemblies are connected to the two valve rods in the circulation channel correspondingly. The adjusting assembly comprises a butterfly plate, a mounting sleeve and an elastic pre-tightening piece, the butterfly plate is fixedly connected to the mounting sleeve, and the mounting sleeve is rotationally connected to the corresponding valve rod. In the closed state, the two butterfly plates in the two adjusting assemblies are spliced to form a closed plate, and the closed plate is connected with the step face to break the circulation channel. The elastic pre-tightening piece is used for providing elastic pre-tightening force for driving the butterfly plate to rotate in the closing direction. The mounting sleeve and the valve rod are provided with a linkage structure so that the valve rod can drive the mounting sleeve to rotate in the same direction when rotating in the closing direction, and the valve rod does not drive the mounting sleeve to rotate when rotating in the opening direction.

The utility model relates to tunnel safety technical field, and disclose a kind of line-of-sight monitoring early warning device for tunnel safety, including target board body, the rear end of target board body is fixedly connected with adjusting assembly, the surface of adjusting assembly is fixedly connected with mounting plate, adjusting assembly includes installation platform one, the inner wall top of installation platform one is fixedly connected with fixed column one, the surface of fixed column one is rotatably connected with movable sleeve, the surface of movable sleeve is fixedly connected with connecting frame, the inside of connecting frame is installed with threaded sleeve, the inside screw thread connection of threaded sleeve has threaded rod, the front end of threaded rod is fixedly connected with fixed sleeve. The utility model is by fixed column one, movable sleeve, threaded sleeve, threaded rod, fixed sleeve, fixed column two, installation platform two, sliding block and slide rail component adjusting assembly setting, the rotation of threaded rod is converted into the swing of target board around fixed column one, realizes the accurate alignment to curved horizontal line of sight.

The utility model relates to the technical field of heating valves, and provides a heating valve with a filtering mechanism, which comprises a heating valve body and the filtering mechanism. The two sets of filter boxes are arranged and work in turn, when one filter box works, the other filter box can be cleaned, the valve closing time is shortened, the flowing efficiency is improved, the rotating seat is arranged, the rotating seat is rotated, the filter boxes are switched, the efficiency is improved, the time is saved, the friction force can be increased through the protrusions, the rotating seat is convenient to rotate, and the valve is convenient to use. By arranging a sealing gasket, liquid is prevented from overflowing from a gap of the rotating seat, the sealing performance is guaranteed, by arranging a limiting column and a limiting groove, the limiting column is clamped into the limiting groove, the situation that the sealing performance is reduced due to the fact that the filtering box moves in the using process is prevented, and by arranging a buckle, after the rotating seat rotates in place, the buckle is clamped, and the relative positions of the connecting box and the rotating seat are fixed; and by arranging a conical filter plate, the impurity accumulation area can be increased.

The invention provides sewage treatment equipment for dimethyl tetrahydrophthalate production and a use process of the sewage treatment equipment, and relates to the technical field of chemical wastewater treatment, the treatment equipment comprises a sewage inlet pipe, a sewage outlet pipe and a filter material conveying pipe, the sewage outlet pipe and the filter material conveying pipe are fixed together to form a herringbone pipeline, and the herringbone pipeline is provided with a water inlet pipe and a water outlet pipe; a treatment section pipeline is fixedly communicated between the top of the herringbone pipeline and the sewage inlet pipe, a filtering and cleaning assembly is arranged on the left side of the treatment section pipeline, and a collecting assembly is arranged on the right side of the treatment section pipeline. Sewage is rapidly filtered and separated in the flowing process, so that the treatment time is shortened, the overall sewage treatment efficiency is improved, the production process can be more rapidly carried out, the retention and accumulation of the sewage are avoided, and the risk of chemical reaction or peculiar smell generation possibly caused by retention is reduced.

The utility model relates to the field of track cleaning, and discloses track cleaning equipment for track traffic, which comprises a mounting frame, a driving assembly is arranged on the mounting frame, two cleaning brushes for cleaning a track body are connected to the driving assembly, and the two cleaning brushes are attached to the surface of the track body. The driving assembly is used for driving the two cleaning brushes to rotate on the surface of the rail body at the same time, and two pre-cleaning frames are arranged on the mounting frame. The mounting frame is driven by the moving part to move along the track body, the two pre-cleaning frames sweep away large-particle sundries such as gravel, leaves and garbage on the track body, the driving assembly drives the two cleaning brushes to clean away fine dust, oil dirt and the like on the surface of the track body, repeated operation is reduced through cooperative operation of the pre-cleaning frames and the cleaning brushes, and the working efficiency is improved. The cleaning efficiency is improved, manual intervention can be reduced through efficient cleaning, potential safety hazards caused when workers enter a track area to conduct cleaning operation are reduced, meanwhile, the track closing time is shortened, and the influence on operation is reduced.

The invention relates to the technical field of gas transmission station overhaul, in particular to a quick labor-saving device for opening and closing a valve. The quick labor-saving device for opening and closing the valve comprises a pipeline positioning and clamping assembly, a valve hand wheel positioning and clamping assembly and a variable-speed rotation driving assembly, the valve hand wheel positioning and clamping assembly is used for being connected with a mechanical hand wheel of the valve in a clamping mode, and the variable-speed rotation driving assembly is connected with the valve hand wheel positioning and clamping assembly. The pipeline positioning and clamping assembly is used for driving the valve hand wheel positioning and clamping assembly to drive a mechanical hand wheel to rotate, the variable-speed rotation driving assembly is installed on the pipeline positioning and clamping assembly, and the pipeline positioning and clamping assembly is used for being connected with pipelines at the two ends of a valve in a clamping mode. The device has the advantages that the structural design is simple and reasonable, when the valve is opened and closed, the opening and closing time of the valve is greatly shortened by means of the device, meanwhile, labor is saved when the valve is opened and closed, and the working efficiency is improved.

The present invention relates to the technical field of electrical vacuum switches, and specifically to a vacuum interrupter and a vacuum circuit breaker, wherein the vacuum interrupter comprises: a housing; a lower contact rod; a lower main contact; a lower arc contact; an upper contact rod; a reset spring; an upper arc contact; an upper main contact; in the open state, the lower end surface of the upper main contact is higher than the lower end surface of the upper arc contact; a lever linkage mechanism is provided between the upper main contact and the upper contact rod, one end of the lever is connected to the upper main contact in a transmission manner, and the other end is connected to the upper contact rod in a transmission manner, so that when the upper contact rod moves, the upper main contact is driven to move in the opposite direction synchronously. Beneficial effect: the lower end surfaces of the upper main contact and the upper arc contact are staggered up and down, so that it is difficult for the arc to be transferred to the upper main contact, and the ablation of the upper main contact is reduced. The upper contact rod and the upper main contact move in the opposite direction synchronously, so that the upper and lower main contacts can quickly contact and separate, which can save the moving stroke of the lower contact rod, shorten the opening and closing time, reduce the longitudinal size of the vacuum interrupter, and reduce the requirements for the output stroke of the operating mechanism.

The utility model discloses a bridge anti -collision guardrail connecting structure convenient to quick installation applies in traffic safety facility technical field, and the utility model discloses quick installation through mechanical interlock principle, only need to be inserted with each other when construction to the prefabricated guardrail unit alignment, can complete fixed connection, shortens the on -the -spot assembly time, and the simple installation, and the modular structure is convenient for transportation and post -stage maintenance replacement, and the construction efficiency has been effectively promoted and the traffic closure time has been reduced, the streamline curved surface converts the collision impact force into the dispersed energy, when the vehicle has the slight scratch, avoids the partial stress concentration caused by rigid collision, both reduces the guardrail structure damage, and reduces the vehicle maintenance cost, and its flexible buffering characteristic is especially suitable for urban bridge section.