11results about How to "Reliable suspension" patented technology

The utility model discloses an ostomy base plate and an ostomy bag assembly. The stoma base plate and the stoma bag are used in a matched mode, the stoma base plate comprises a first adhesive area and a second adhesive area which are concentrically arranged, at least part of the first adhesive area is arranged on the peripheral side of the second adhesive area in a surrounding mode, the first adhesive area is made of medical hydrocolloid or medical acrylic acid adhesive, and the second adhesive area is made of medical hydrocolloid or medical acrylic acid adhesive. And the second adhesive area is made of medical silica gel. According to the technical scheme provided by the utility model, the peripheral hydrocolloid material can ensure that the stoma base plate has enough adhesive force, so that the stoma bag and excrement contained in the stoma bag can be suspended and borne; the inner ring silicone adhesive material has enough viscosity to seal the periphery of the stoma, but the inner ring silicone adhesive material has relatively weak viscosity, is easy to tear off and does not strain the skin, and the silicone adhesive is extremely low in allergy rate and small in damage to the skin. According to the scheme, under the condition that it is guaranteed that the stoma base plate is safe and free of leakage, the skin of a patient is better protected, and the use experience is improved.

The invention relates to a hand-held circular saw (100) having a housing (110) in which a drive motor (120) for rotationally driving a circular saw blade (140) is arranged, and having a handle (115) which is arranged on the housing (110) and on which a suspension device (199) is arranged, said suspension device having a rotational axis section and a hook element (160), the hook element (160) being arranged perpendicular to the rotational axis section, the invention relates to a hand-held circular saw (100) comprising a housing (110) having a rotary shaft section which forms a rotary axis and is rotatably mounted on the housing (110), the hook element (160) being pivotable about the rotary axis in an associated plane (302), the associated plane (302) being oriented parallel to a center-of-gravity plane (301) of the hand-held circular saw (100).

The present invention relates to an adjustable curved surface fire connection device, which belongs to the field of welding hot-fire tools, and includes a fire connection storage bin, a fire connection plate, a fixing assembly and a hoisting assembly; the fire connection storage bin includes a bottom wall and a front side wall, a rear side wall, a left side wall and a right side wall arranged around the bottom wall, a left baffle is hinged on the left side wall, a right baffle is hinged on the right side wall, the sum of the lengths of the left baffle and the right baffle is less than the length of the fire connection storage bin, and a fire connection port for welding slag to fall into the fire connection storage bin is formed between the left baffle and the right baffle, and the front side wall and the rear side wall are respectively provided with a slide groove extending in the left and right directions, and the slide groove is slidably equipped with a left slider and a right slider, and the left and right sliders are respectively connected to the corresponding baffles through a connecting rod; the fire connection plate is provided with two curved panels, which are respectively connected to the corresponding sliders. The adjustable curved surface fire connection device not only meets the adjustment of the fire connection range in the horizontal direction, but also meets the adjustment of the fire connection height and the fire connection space in the vertical direction, and the fire connection effect is good.

The present invention discloses a plugging string for an open-hole well, comprising a delivery string, a separation device, a suspension support device, a plugger, a check valve and an open-hole wellbore; the delivery string, the separation device, the suspension support device, the plugger and the check valve are connected in sequence and then lowered into the open-hole wellbore. At the same time, the present invention provides a plugging method for a plugging string for an open-hole well, firstly, a positive well wash is performed, and drilling fluid is injected from the delivery string; then, a ball is cast to pressurize the delivery string, 7-9 MPa is pressed into the delivery string to anchor the suspension support device; 12-14 MPa is pressed into the delivery string to make the plugger seal the open-hole wellbore; 18-19 MPa is pressed into the delivery string to separate the separation device into two bodies. The present invention has a simple process, is convenient and fast, and fundamentally avoids the construction risks, wellbore complexity and oil layer damage caused by the use of suspended cement plugs, and can safely and efficiently perform operations such as sealing and isolation in an open-hole wellbore that needs to seal the lower invalid well section or leaking layer.

A kind of sealing patching tool, it includes patching pipe assembly, expanding assembly and flow distributor, the patching pipe assembly includes patching pipe and sealing hanger, the patching pipe is matched with casing damage well casing specification Steel pipe, length is 8m-12m, both ends are all turned to sealing thread capable of being connected with sealing hanger;The sealing hanger is composed of hanger pipe, rubber sealing ring, metal sealing ring, the hanger pipe is a section of reducing steel pipe, the diameter of one end with sealing thread is same with the diameter of patching pipe, the diameter of one end with rubber sealing ring and metal sealing ring is installed is less than the diameter of patching pipe, two sets of sealing hangers are provided in each set of tool, are installed in the both ends of patching pipe by sealing thread respectively, the utility model sealing pressure is high, hanging is reliable, patching pipe does not produce flexure, patching section drift diameter is big, secondary extraction is easy.

The utility model relates to a high-altitude docking device for an ultra-deep large-diameter vertical shaft horsehead. Comprising a channel steel rail laid on a horsehead bottom plate and a butt joint platform running along the channel steel rail. The butt-joint platform is in rolling fit with the channel steel rail through rolling wheels installed on the bottom side and can partially extend into the vertical shaft, and the extending end of the butt-joint platform is used for being in lap joint with a bucket. Through the technical measures of the sliding platform, the sliding platform bucket clamping device, the horse head door safety belt suspension device, the non-return device of the sliding platform, the fixed suspension device of the safety belt horse head door and the like, safe passing and transportation of the bucket and personnel, materials and equipment at the horse head door are achieved.

The present invention is a steel continuous pipe built-in cable downhole connection short section, comprising an outer tube, wherein the outer tube has a main channel, an oil passage channel and a cable channel, wherein the main channel is connected to the upper end of the outer tube, and the oil passage channel and the cable channel are both connected to the main channel, wherein the axes of the oil passage channel and the cable channel deviate from the center line of the main channel, and the lower part of the oil passage channel is connected to the lower end center of the outer tube after being deflected, and the cable channel can allow the built-in cable to pass through. A first sealing rubber tube and a slip connector are provided in the cable channel, and the built-in cable can pass through the first sealing rubber tube and the slip connector in sequence, wherein the first sealing rubber tube is arranged in an axially compressed state and can be sealed against the built-in cable, and wherein the slip connector has a slip that can contract radially and has teeth on the inner wall, wherein the slip is arranged in a contracted state and the teeth can bite the built-in cable. The present invention can simultaneously meet the functions of fixing and sealing the downhole cable, and has stable suspension and sealing, simple structure and low cost.

The invention relates to the technical field of car roof operation protection, in particular to a car roof personnel falling prevention method which comprises the following steps that firstly, a base is fixed to a reinforcing steel plate on the car roof of a communication equipment car or a radar equipment car through bolts; secondly, an operator wears a safety strap, hooks at the ends of hanging ropes on the safety strap are hung on the anchor holes, the anchor rods are rotated to be in a vertical state, and the anchor rods are locked through locking pieces; thirdly, the anchor rod is rotated to be in a vertical state, the anchor rod is vertically fixed to the base by inserting a first plug pin into a fixing hole and a locking hole, and an operator can conduct normal operation; fourthly, after operation is completed, the first plug pins are pulled out, the anchor rods are rotated to be in the horizontal state, the second plug pins are connected with the abutting holes and the containing holes in an inserted mode, and the anti-falling device can be installed on the car roof; a reasonable and reliable suspension anchor point can be arranged on the roof of the vehicle, and the safety straps are tied and hung to operators through the suspension anchor point, so that the condition that the operators fall off from an operation position and are hurt is avoided.

The invention discloses a frame type steel wire rope suspended concrete false bottom construction method. Relates to a mining technology. Comprising the following steps that S1, two rows of round steel are driven into the two side walls of the bottom of a stope, and the two rows of round steel are arranged at intervals in the vertical direction; s2, main reinforcements and auxiliary reinforcements are bundled on the two rows of round steel, the arrangement direction of the main reinforcements is the same as that of the round steel, and the auxiliary reinforcements are perpendicular to the main reinforcements; s3, a plurality of prefabricated frames are installed on the main reinforcements and the auxiliary reinforcements, and the prefabricated frames are arranged at intervals in the direction of the auxiliary reinforcements; s4, an anchor rod is obliquely inserted into the two side walls of the stope downwards, and two hanging bars are hung on the anchor rod; s5, concrete pouring is conducted, and after concrete pouring and curing are completed, pouring of the concrete false bottom can be completed; the two rows of spaced round steel are arranged at the bottom of the stope, the main reinforcements and the auxiliary reinforcements are bundled, the prefabricated frame is installed, the anchor rods are obliquely inserted, and the hanging reinforcements are connected to specific positions, so that uniform stress distribution and reliable hanging are achieved, and the beneficial effects that the false bottom supporting stability is enhanced, center cracking and overall caving are prevented, and the mining operation safety is improved are achieved.

The utility model relates to the field of indoor and outdoor wall decoration, in particular to a decoration strip surface traceless bearing device which comprises a U-shaped bayonet and an insertion type profiled steel sheet. The U-shaped bayonet is fixed on the base layer and is provided with a slot along the vertical direction, one end of the plug-in profiled steel sheet is vertically inserted into the slot of the U-shaped bayonet, and the other end of the plug-in profiled steel sheet is bent outwards to form a horizontal extension surface and a vertical fixing surface for hanging articles. According to the bearing device, the bearing position for hanging an article is transferred to the wall from the decorative plate, when the article is hung on the bearing device, the two sides of the U-shaped clamping opening bear torque, the load of a single expansion bolt is dispersed, the bearing capacity of the device is improved, and meanwhile damage to the appearance of the decorative plate is reduced; a sufficient wiring space can be formed, the safety of a lamp strip circuit is ensured, the decorative plate is designed to be easy to disassemble, the bearing device is convenient to disassemble and install and can be completely taken out, and meanwhile, the circuit is convenient to overhaul or the lamp strip is convenient to replace.