77results about How to "Reduce installation labor intensity" patented technology

The present invention discloses a polymer material with its preparation method and applications. The said preparation method is: plastics and rubber are orderly melted in rubber refining machine; after being completely mixed, phenolic resin, initiator, reinforcing agent, active-agent zinc oxide, stearic acid, antioxidant A are orderly added; at last, crosslinking agent sulfur, accelerator DM, TT, CZ are added, and are taken out, after being uniformly mixed; Let them cooling for 12 hours, the materials are put into vulcanizer for crosslinking vulcanization. Finally, the polymer material which has high density of chemical crosslinking, good stability, excellent wear resistance, and high strength, is produced. The present invention is simple in process, by which the acquired polymer material can be used in mine machines and equipments or those devices which order excellent wear resistance, high resistance to impact strength, to widely replace metal materials, and has broad application prospect and great popularization value.

The invention relates to a method for reinforcing a drop shaft in an underground mine producing area and belongs to the field of metal mine and rock engineering reinforcement. The method is characterized in that the movement track of ores in the drop shaft during the ore discharge process is fully considered, model experiments and theoretical analysis method are adopted for determining the property of impact action and an impact failure region to the well wall generated by the ores according to the height of the drop shaft and the diameter of the drop shaft, the drop shaft is hereby divided into four stress regions, namely a first impact failure region, a second impact failure region, a fault fracture zone region and a wear-out failure region, and different forms are further adopted for reinforcement. The method is especially applicable to reinforcement of the drop shafts in the producing areas under soft and broken surrounding rock conditions, can be used for significantly prolonging the service life of the drop shaft and has the advantages of safety in construction, simpleness and low cost.

This invention relates to a clean water device and a system including an immerged film bio-reactor, water, an aeration system, a separator, a technics flow and pipelines, a water safeguarding system, a chemical flush system and a program control system, in which, at least a separator is connected between an original pump of an adjusting basin and the original pipe of the reaction basin of the immerged film bio-reactor, which is suitable for poor water quality with many combos of oil and waste-soap solution with humanbody fat in particular and increases the ability of anti-pollution of the immerged hollow fiber film bio-reactor, and this filter separator can be taken as a generator for collecting and growing biochemical films.

An integrated pneumatic vent butterfly valve comprises an integrated solenoid valve, an integrated pneumatic actuating mechanism and an integrated vent butterfly valve body. An integrated valve body of the integrated solenoid valve is provided with a shared medium inlet end, a shared medium outlet end, a first working port, a second working port and five mounting holes; a coil protective outer shell is arranged outside a coil assembly of the solenoid valve and provided with a lead hole, and a coil lead enters a signal device junction box directly through the lead hole; the integrated solenoid valve is fixedly connected with the integrated pneumatic actuating mechanism by using screws through the five mounting holes, and the integrated pneumatic actuating mechanism is fixedly connected with the integrated vent butterfly valve body by using screws; an inner hole in the lower end of an air cylinder shaft of the integrated pneumatic actuating mechanism is matched with a butterfly valve square shaft end of the integrated vent butterfly valve body to carry out valve switching transmission. The integrated pneumatic vent butterfly valve can be turned on and turned off through a manual operating device under the condition of power failure or air source failure. The integrated pneumatic vent butterfly valve is capable of bearing high pressure, small in size, light in weight, and easy to install because the number of auxiliary pipelines and circuits is small; besides, the integrated pneumatic vent butterfly valve can meet the requirement for special environment conditions of three proofings and the like because all the components are machined by using stainless steel or copper alloy materials.

The invention discloses a waste heat recovery dryer of a high temperature heat pump. The waste heat recovery dryer comprises a curing barn and a high temperature heat pump connected with the curing barn; the waste heat recovery dryer further comprises a first fan, an evaporator, a first electric adjusting valve, an air return port, a condenser, a second fan, an air delivery port and a second electric adjusting valve, wherein the first fan is arranged in the left end of the high temperature heat pump, the evaporator is arranged at the right side of the first fan, and the first electric adjusting valve is arranged at the right side of the evaporator; the air return port is formed in the right end of the high temperature heat pump and is communicated with the curing barn, the condenser is arranged at the right upper corner in the high temperature heat pump, the air delivery port is formed in the second fan and the second electric adjusting valve is arranged at the left side of the air delivery port. The waste heat recovery dryer and the curing bar can be arranged in an embedded way so as to realize close distance between waste heat recovery and waste heat heating; furthermore, the waste heat recovery dryer is fast in heating speed, simple in structure, convenient to use, and the labor intensity of installation can be reduced; in addition, the production cost can be reduced, the waste heat exhaust can be recovered and can be absorbed by the evaporator, the heat of the evaporator can be improved, the energy-saving effect can be realized, the high waste heat recovery rate can be realized, the rotating time of tobaccos can be greatly shortened, and a dehumidification function can be realized.

The invention relates to a quick connector for concrete square piles. The quick connector comprises an upper nut pre-embedded in the lower part of an upper pile section, a lower nut pre-embedded in the upper part of a lower pile section, a connecting inserting rod, a middle connecting sleeve and a compression spring, wherein the connecting inserting rod comprises an external threaded section, a large conical section, a transition section, a small conical section and a conical top head section; the quick connector further comprises an elastic clamp spring, the peripheral surface of the elastic clamp spring is a cylindrical surface and the inner hole of the elastic clamp spring is a conical hole; the middle connecting sleeve is mounted in the upper inner hole cavity of the lower nut and is in threaded connection with the lower nut; the elastic clamp spring and the compression spring are tightly pressed in the inner hole cavity of the lower nut from top to bottom; the external threaded section is in threaded connection with the lower part of the upper nut; the large conical section is in contact fit with the inner hole surface of the middle connecting sleeve; the small conical surface is in contact fit with the inner hole surface of the elastic clamp spring; the conical top head extends out of the lower end of the elastic clamp spring; and a limiting end surface formed between the conical top head and the small conical section is in hooking connection with the lower end surface of the elastic clamp spring in a matched manner, so that the upper square pile section and the lower square pile section are connected in the axial direction. The quick connector can economize the installation space.

The invention discloses a kerbstone mechanical-hoisting and seam-spacing method-based construction method, a hoisting tool and a seam-spacing tool. The kerbstone mechanical-hoisting and seam-spacing method-based construction method comprises the following steps of 1, preparing construction, 2, carrying out measurement and line laying, 3, bracing 10-20m of a line and determining a kerbstone directional line and elevation line, 4, arranging a 1: 2.5-3 cement mortar cushion layer having thickness of 3cm, 5, installing first kerbstone, 6, arranging the seam-spacing tool, 7, hoisting kerbstone to a designated position by the hoisting tool, 8, carrying out complex line stabilizing, 9, carrying out self-inspection checking, 10, pouring back concrete of the kerbstone, 11,maintening the back concrete and 12, carrying out inspection and acceptance by a supervisor. The method provided by the invention has strong operationality and simple installation method with low technical difficulty, reduces kerbstone manual-carrying labor intensity, improves efficiency, saves a labor cost and has economic benefits better than those of the traditional construction method.

The invention discloses a light weight, high-strength and environmentally-friendly type nonmetallic sound barrier, and relates to the field of nonmetallic sound barriers. The light weight, high-strength and environmentally-friendly type nonmetallic sound barrier comprises a plurality of sound absorbing panels, a plurality of sound insulating panels and fixing devices. The fixing devices are standcolumns with vertical grooves, and are fixed on edges of a bridge deck or pavement, the sound barrier is formed by inserting the multiple sound absorbing panels and the multiple sound insulating panels between every two stand columns, the sound absorbing panels are micro-porous particle sound absorbing panels and are arranged on the side near a sound source, the sound insulating panels are concrete sound insulating panels and are arranged on the side far away from the sound source, and air separating cavities are reserved between the micro-porous particle sound absorbing panels and the concrete sound insulating barriers.

The invention belongs to the technical field of sewing machine fittings, and particularly relates to a table rack for a sewing machine. The table rack comprises a rack and a table arranged on the rack, wherein the rack comprises a left rack and a right rack which are arranged at an interval left and right, each of the left rack and the right rack comprises an upper section and a lower section, each upper section comprises an upper section horizontal part and an upper section vertical part, each lower section comprises a lower section horizontal part and a lower section vertical part, one or more groups of clamping grooves are formed in each lower section horizontal part, clamping hooks capable of being clamped in the clamping grooves are arranged on each upper section horizontal part, each upper section vertical part sleeves the corresponding lower section vertical part, and is connected into the clamping grooves of the corresponding lower section vertical part through the clamping hooks in a clamping manner, and the upper section horizontal part is connected with the table. According to the table rack, a user can conveniently adjust and mount pedal crosspieces, so that the mounting time and the labor intensity of the use are reduced.

The invention discloses a seedling protective supporting bracket for improving supporting stability of a municipal garden. The bracket comprises a connecting frame and bottom columns, wherein two endsof the connecting frame are fixedly connected with the side walls of two sets of movable columns respectively, the inner portion of each bottom column is provided with a movable cavity, two mutuallyparallel side faces of each bottom column are respectively provided with threaded holes, the bottom end of each movable column is in inserted connection with the inner portion of the corresponding movable cavity, the movable columns are in locked connection with the bottom columns through locking bolts, a middle section of the connecting frame is provided with passing through holes used for mounting fixing rods, the portions, located at two sides of the passing through holes, of a frame body of the connecting frame are fixedly provided with two sets of fixing plates, the fixing plates are allprovided with through holes, and the fixing rods pass through the passing through holes and are arranged between the two sets of fixing plates through locking bolts. The seedling protective supportingbracket for improving the supporting stability of the municipal garden has the advantages that the height is adjusted easily, the assembly and disassembly are convenient, and the bracket can be widely promoted and used.

The invention discloses a fiber reinforcement inflaming retarding anti-static electricity thin-wall steel plastic composite pipe. The fiber reinforcement inflaming retarding anti-static electricity thin-wall steel plastic composite pipe structurally comprises a metal pipe-shaped framework, the metal pipe-shaped framework is a thin-wall metal pipe, the outer wall of the thin-wall metal pipe forms an outer transition interface layer with the help of the coating or winding technology, the inner wall of the thin-wall metal pipe forms an inner transition interface layer with the help of the spraying technology, a fiber resin reinforcing layer is formed on the outer surface of the outer transition interface layer with the help of the winding technology, and an abrasion-resisting anti-static electricity coating layer is formed on the inner surface of the inner transition interface layer with the help of the coating layer. The fiber reinforcement inflaming retarding anti-static electricity thin-wall steel plastic composite pipe has the advantages of being low in weight, capable of retarding inflame, resisting abrasion and resisting corrosion, strong in interface combination and the like, the inflame retarding performance of the composite pipe meets the requirement of MT181-88, the surface resistance of the composite pipe is 1*106 Ohm, the interface combination strength reaches the first level, the weight of the composite pipe is about half of an ordinary steel plastic composite pipe, installing difficulties and labor intensity are greatly reduced, and the anti-bending, anti-pressing and anti-impacting capability is strong.

The invention discloses a sequence valve, and belongs to the field of hydraulic machinery. The sequence valve comprises a valve body with a first cavity in an axial direction, springs which are arranged in the first cavity in sequence from top to bottom and abutted against one another, a plunger used for connecting and disconnecting, a first opening plunger and a second opening plunger. The left side wall of the valve body and the right side wall of the valve body are each provided with a first oil passing opening and a second oil passing opening which are communicated with the first cavity. The springs are always in a compression state. The plunger used for connecting and disconnecting can slide along the inner wall of the first cavity in a sealing mode, and is used for blocking and communicating the first oil passing opening and the second oil passing opening. A first annular groove is arranged in the outer wall of the lower end of the first opening plunger, the first annular grooveis communicated with the first oil passing opening through a first passage arranged on the valve body. A second annular groove is arranged in the outer wall of the lower end of the second opening plunger, and the second annular groove is communicated with the second oil passing opening through a second passage arranged on the valve body. The first opening plunger and the second opening plunger canslide along the inner wall of the first cavity in a sealing mode.

The invention discloses a wallboard connecting device. The wallboard connecting device comprises a connecting piece, wherein the connecting piece comprises a first connecting board, a second connecting board and a third connecting board which are connected in sequence; a long strip-shaped connecting groove is formed in the second connecting board; the first connecting board and the third connecting board are respectively provided with a waterproof board; the vertical distance between one side of one waterproof board and one side of the other waterproof board which are far away from the second connecting board is larger than the vertical distance between the first connecting board and the third connecting board; a second clamping board is provided with a clamping bulge; the clamping bulge is clamped in the connecting groove; the inner surface of a first clamping plate leans against the outer surface of the first connecting board; the inner surface of the second clamping board leans against the outer surface of the second connecting board; the inner surfaces of a first folding board and a second folding board respectively lean against the outer surfaces of two buckling boards. According to the wallboard connecting device provided by the invention, the installation labor intensity of a wallboard is reduced, the installation efficiency of the wallboard is increased, a fixing function of the connecting piece is added, a waterproof function is added, and the use convenience of a user is increased.

A loose flange self balancing flexible connection pipe mainly solves the technology problem of improving property and simplifying operation. The technical project is that: the two ends of the pipe body of a rubber pipe are respectively integrated with a flanged connection end, the connection end is disposed with a rigid ring, the two connection ends of the rubber pipe are respectively enclosed with a connecting flange, the connection ends of the rubber pipe are slip fitted with the connecting flanges, the two flanges are positioned in the inner side of the connection ends in axial direction. Then a flexible connection pipe with thin wall, low rigidity and high pressure can be formed, and can be adapted to various pipes with middle and small diameters.

The invention provides a check valve for an air conditioner. The check valve for the air conditioner comprises a valve seat and N valve body assemblies arranged on the valve seat, wherein N is larger than or equal to 2. Each valve body assembly comprises a valve body, a valve element, an air valve core, an O-shaped seal ring located in a seal ring groove of the valve element and a connecting pipe which is connected with an air inlet and an air outlet in the valve body, wherein the valve element is installed in a main hole formed in the valve body, the air valve core is installed in an auxiliary hole formed in the valve body, the main hole is sealed through a copper cap with internal threads, the auxiliary hole is sealed through a copper air valve core nut, and the air outlet is sealed through a copper nut. When the check valve, with the structure, of the air conditioner is installed, a worker just needs to conduct installation operation once, and then the demand for use of a plurality of valve bodies of the connecting pipe of an outdoor unit can be met.