33results about How to "Small installation resistance" patented technology

The present invention provides a waterproof connector, wherein, a clamping part is formed independently from a concave connector crust and can be installed inside the concave connector crust. Before the clamping part is installed, a sealing part is installed inside the concave connector crust. The sealing part comprises a protrudent part which is provided with a gripping part, and the protrudent part is not bended to be inserted into the guide slot of the concave connector crust. Then, the clamping part is installed inside the concave connector crust, two protrudent parts of the clamping part are jointed with the gripping part on the opposite sides, therefore, the sealing part is clamped and can not fall off. When the sealing part is installed, the protrudent part and the gripping part can not produce elastic deformation, which reduces the installation resistance and can realize the installation conveniently.

The invention discloses a distribution transformer grounding structure capable of changing soil resistivity, comprising a grounding plate, a lifting column and a grounding column, the lifting column is movably plugged into the grounding plate, and the grounding column is fixedly connected to the bottom of the lifting column The grounding column is connected with connecting wires; side grooves are symmetrically opened in the grounding plates on both sides of the lifting column, and extruding plates are movable in the side grooves, and the extruding plates are fixedly connected to the lifting column. And the upper end of the extrusion plate is connected with a lifting spring. The present invention can compress and tamp the soil layer between the inserted floors through the cooperative arrangement of the inserted floor and the push plate, so as to achieve the effect of reducing soil resistivity; and at the same time, keep the soil in the The higher the concentration of conductive ions and the water content in the soil, the lower the soil resistivity.

The invention discloses a pipe joint sealing device and a preparation method. The sealing device includes a pipe socket, a pipe socket and a sealing rubber ring placed at the joint of the two. The sealing rubber ring is integrally formed and has the same hardness throughout the body. The medium contact surface of the sealing rubber ring is an inclined surface or a wave surface. The present invention also provides a pipe joint method using the above-mentioned device. When in use, a groove matching the shape of the sealing rubber ring is formed on the pipe socket. During the process of pushing the pipe socket, the sealing rubber ring is compressed and deformed, and finally realized Sealed connections for pipes. In addition, a preparation method of the sealing device is provided, the purpose of which is to provide a pipe joint device equipped with a sealing rubber ring and a pipe joint method using the same, which has a simple structure and greatly reduces installation resistance while ensuring the sealing effect.

The present invention provides a back wall structure and an air conditioner. The back wall structure includes: a back wall body, and an antistatic structure is also arranged on the back wall body, and the rear wall structure includes: a fixed device, the anti-static structure is connected to the fixing device through buckles. The problem solved by the present invention is to weaken the static electricity generated on the sliding door of the air conditioner to avoid potential safety hazards; in addition, the anti-static structure can be efficiently installed on the rear wall body and can be easily disassembled from the rear wall body step.

A mine grouting anchor cable supporting method comprises the steps of manufacturing a grouting anchor cable tie, wherein the grouting anchor cable tie is composed of multiple anchor cable bodies, a conical grouting stopping plug, a tray, a lock, an end anchor grouting stopping plug, an anchor cable fixing frame, a tightening ring and the like. An anchor cable body comprises an end anchor grouting anchor cable body, a full-anchor grouting anchor cable body and an exhaust grouting anchor cable body, and the three grouting anchor cable bodies are combined to replace a common anchor cable body; 2, installing and supporting the grouting anchor cable tie, wherein the end anchor grouting stopping plug is sleeved with the end anchor section of the anchor cable tie, the grouting anchor cable tie is fed into a drilled hole, a barb hook hooks the wall of the hole, and the conical grouting stopping plug, the tray and the lock are sequentially installed; grouting of the end anchor section is performed by means of the end anchor grouting cable body, and air is exhausted through the full-anchor grouting anchor cable body; after grouting of the end anchor section is solidified, the lock is used for tensioning and pre-tightening the anchor cable tie; the full-anchor grouting anchor cable body is used for performing grouting on the full anchor section, and the exhaust grouting anchor cable body is used for exhausting air. The method is applicable to ultra-soft cracking and deep high stress roadway supporting, and can achieve ultra-long deep strong anchoring. The cable body is provided with a core tube so that end anchoring, full-anchoring grouting and air exhausting can be achieved, and construction is greatly simplified.

An embodiment of the invention discloses an angle-adjustable support and a photovoltaic device. The angle-adjustable support comprises a double-beam mounting frame; stand columns, wherein each stand column comprises a first fine adjustment structure, the first fine adjustment structures being used for adjusting the relative positions of the stand columns; mounting bases, wherein each mounting basecomprises a second fine adjustment structure and a third fine adjustment structure, the second fine adjustment structure being used for adjusting the position of the double-beam mounting frame relative to the mounting base, the third fine-adjustment structure being used for adjusting the position of the mounting base relative to the stand column; and a left-handed adjustment structure and a right-handed adjustment structure. Through mutual cooperative work of the first fine adjustment structures, the second fine adjustment structures and the third fine adjustment structures, the installationresistance and / or the adjustment resistance between the double-beam mounting frame and the stand columns can be obviously reduced, and the installation adjustment problem of the double-beam mounting frame and the stand columns in a complex state is solved; and the left-handed rotation adjusting structure and the right-handed rotation adjusting structure are arranged to be hinged to different standcolumns, so that adjustment of the relative positions of the double-beam mounting frame and the stand columns is achieved, and the angle-adjustable support convenient and reliable to use is formed.

The invention provides a drain pipe component and a refrigerator. The drain pipe component comprises a drain pipe and a drain pipe joint, wherein the drain pipe is provided with a clamping part, the drain pipe joint is provided with a connecting part, the connecting part is provided with a plurality of bulges which are spaced at intervals in a circumferential direction and the plurality of bulges are matched with the clamping part so that the drain pipe joint is arranged on the drain pipe. Compared with a technical scheme that the drain pipe is in contact with the drain pipe joint in a full circle, according to the technical scheme that the plurality of bulges which are spaced at intervals are cooperated with the connecting part, the contact area between the connecting part and the clamping part can be reduced, the bias gap formed when the drain pipe is arranged can be improved, the installation resistance of the drain pipe can be effectively reduced, the assembling force of the drain pipe can be reduced, and the assembling efficiency and the operation goodness of staffs can be effectively improved.

The invention discloses a valve type expanding head anchor rod bearing body. The valve type expanding head anchor rod bearing body comprises an anchor rod, fixing clamps, first lifting and pulling ropes, second lifting and pulling ropes and at least two valve type expanding heads arranged on the anchor rod in a sleeving manner; each valve type expanding head comprises a round steel pipe reinforcement body and a plurality of valve arc-shaped steel plates; the anchor rod is sleeved with the round steel pipe reinforcement bodies in a penetrating manner; the inner side ends of the multiple valve arc-shaped steel plates are evenly hinged to the peripheries of the round steel pipe reinforcement bodies; the outer side ends of the valve arc-shaped steel plates are connected with the first lifting and pulling ropes; each first lifting and pulling rope is connected with the outer side ends of the valve arc-shaped steel plates in the valve type expanding heads at the same circumferential position; the at least two fixing clamps are evenly hoisted and arranged around the anchor rod through the second lifting and pulling ropes; and the multiple first lifting and pulling ropes opposite to one side of one fixing clamp are connected to the fixing clamp in a gathering manner. The valve type expanding head anchor rod bearing body has higher uplift bearing capacity compared with an existing bearing body.

The invention provides a pulley for a high-altitude line or pipe diameter, and a mounting method thereof. The pulley for the high-altitude line or pipe diameter comprises a left pulley device, a right pulley device, and a transverse connecting rod for connecting the left pulley device and the right pulley device, wherein each pulley device comprises a fixed pulley, a fixed pulley component arranged on the two sides of the fixed pulley, and a hook arranged at the top of the fixed pulley component; and the transverse connecting rod is arranged at the tops of the hooks. The hooks of the pulley provided by the invention are in shapes of circular arcs with the angles of 250 DEG, connecting angles between the pulley components and arc surfaces are 50 DEG, the pulley can be mounted and fixed on the needed pipe diameter or line on the ground through a rope to hoist heavy weights to high altitude, and can be detached from the high-altitude pipe diameter or line on the ground, so that the pulley can be mounted and detached on the ground, ascending operation is not needed, and dangers of ascending operation are prevented from occurring.