43results about How to "Easy to pull back" patented technology

The invention discloses a method and equipment for pulling back an image in an X-ray safety inspection system, which are convenient for a user to carry out secondary inspection by an image browsed before. The equipment comprises an operation part used for leading a user input conveniently, a display used for displaying a scanned image, a memory used for storing an image captured by image capturingequipment, a buffer memory used for storing an image read from the memory, a controller and a display controller, wherein the controller is used for reading an image which is relative to an appointedrange of a command from the memory when the user inputs the command for pulling back the image through the operation part, and the display controller is used for responding the command and controlling the display to display the image in the buffer memory. In the process of pulling back the image, once the image capturing equipment captures a new image, the display controller controls the displayto display the new captured image. By utilizing the method and the equipment, the user can be convenient to pull back the scanned image without limitation, and safety inspection is convenient. In addition, in the process of pulling back the image, collection of new images can not be influenced. Furthermore, the invention allows the user to pull back the image towards the left or the right from anyposition.

The present invention discloses a connection-type insulator for a cable butt joint. The connection-type insulator comprises a first cable and a second cable which are connected, external thread sleeves are bonded on the first cable and the second cable through glue to allow internal thread sleeves to conveniently drive extruding discs to perform spacing fixing of the insulator and allow the position of the insulator not to easily generate migration, the right end of a locking guide bar is in threaded connection with a dislocation indication rod to better observe whether positions of the extruding discs generate movement or not so as to determine whether the position of the insulator generates movement or not and facilitate timely regulation of the insulator, a location plate sleeves a screw, and hairbrushes are fixedly installed at opposite sides of the location plate to allow a guide block to conveniently drive a fixed mount to move left and right and allow the fixed mount to drive left-right movement of the hairbrush, namely, the substances, such as surface dust, of the insulator is cleaned.

The invention discloses a rotary chair base plate convenient to mount and fix. The rotary chair base plate comprises a base plate and connecting rods. Support legs are mounted at the bottom of the base plate and are connected with universal wheels by rotary shafts, a connecting seat is fixed to the upper end of a base, an air inlet pipe is arranged on the right side of a treading air pump, an endof the air inlet pipe is connected with a fixing block, a return spring is mounted inside the fixing block, a connecting plate is mounted on the lower side of the return spring, an end of each connecting rod is connected with the connecting plate, a friction plate is arranged on the lower side of a fixing plate, an air outlet valve is arranged at the bottom of the fixing block, an insertion head is arranged at an end of each support leg, and grooves are reserved inside connecting blocks. The rotary chair base plate convenient to mount and fix has the advantages that the universal wheels and the fixing plate can be simultaneously used, and accordingly rotary chairs can be conveniently shifted and fixed; support frames can be quickly mounted by the aid of the insertion heads, the rotary chair base plate is easy to operate, and the time can be saved.

The invention relates to a site-limited long-distance large-aperture horizontal directional drilling pipeline back-dragging construction process, and relates to the technical field of pipeline installation. The site-limited long-distance large-aperture horizontal directional drilling pipeline back-dragging construction process comprises the following steps that S1, hole cleaning treatment is carried out; S2, back-dragging operation is tested; S3, back-dragging operation preparation is carried out, specifically, the following preparation work is carried out, specifically, (1) back-dragging pipes are arranged and paired, (2) anti-corrosion layers and protective layers of the back-dragging pipes are constructed, (3) the balance weight of the back-dragging pipes is increased so as to reduce the back-dragging force, (4) the back-dragging pipes are hoisted, (5) a drill rod and a drill bit are selected and checked, and (6) slurry is prepared and water is stored; S4, the first section of back-dragging pipe is dragged back; S5, the second section of back-dragging pipe is dragged back; S6, the step S5 is repeated until the last section of back-dragging pipe is dragged back into a pipe hole; and S7, the quality of the back-dragging pipes is inspected after the back-dragging is completed. According to the site-limited long-distance large-aperture horizontal directional drilling pipeline back-dragging construction process, the construction difficulty of the back-dragging pipes in the back-dragging construction process can be reduced conveniently.

The invention discloses a water quality sampling detection device for environmental monitoring and a using method thereof, and belongs to the technical field of environmental monitoring. The water quality sampling detection device for environmental monitoring comprises a support cylinder. A ground contacting plate is fixedly connected to the outer wall of the support cylinder, and ground insertingpiles fixedly connected to the bottom end of the ground contacting plate are arranged on two sides of the support cylinder. When sampling is carried out, a specially-made push-pull seat and an internal structure of the push-pull seat are arranged so that a plurality of sampling bottles can be automatically pushed to the distance; the sampling bottles are automatically distributed at multiple points; and the multi-point sampling can be completed only through one-time operation, the operation is simple and convenient, manpower and material resources are saved, sampling detection efficiency is greatly improved, sampling accuracy can be ensured through the arrangement of a water-soluble plug block, an insertion rod and the like, a water sample can be prevented from leaking, and the accuracy of the detection result is further improved.

The invention relates to the technical field of manufacturing of surfboards and particularly relates to a surfboard with high safety. The surfboard with high safety comprises a surfboard body, and ischaracterized in that the surfboard body is divided into a front foot plate and a rear foot plate, wherein the front foot plate is connected with the rear foot plate by virtue of a torsional spring; afront plate airbag cavity and a front connecting groove are formed in a side face of the front foot plate; a rear plate airbag cavity corresponding to the front plate airbag cavity and a rear connecting groove connecting to the front connecting groove are formed in a side face of the rear foot plate; outbreak airbags are arranged in the front plate airbag cavity and the rear plate airbag cavity;a trigger inflation device is arranged at a joint, at which the front plate airbag cavity and the rear plate airbag cavity are fixed, of the outbreak airbags; connecting plates are arranged in the front connecting groove and the rear connecting groove; one ends of the connecting plates stretch into the rear connecting groove, and the other ends of the connecting plates stretch into the rear connecting groove and are connected with a limit switch arranged in the rear connecting groove; life buoy placement grooves are formed in extensions of the front foot plate and the rear foot plate; life buoys are arranged in the life buoy placement grooves. The surfboard with high safety disclosed by the invention has the advantages of convenience in use, in-time life saving, high safety and the like.

The invention relates to a round table with adjustable tabletop size; the round table comprises a circular table plate, a plurality of extending monomer plates and a turntable arranged below the circular table plate; the circular table plate and the circle center of the turntable are on the same vertical line; a plurality of guide rails are fixed below the circular table plate; the guide rails extend from the middle of the circular table plate to the outer side of the circular table plate; the extending monomer plates are guided to move through the guide rails; a plurality of connecting rods are hinged to the turntable; an included angle alpha exists between the connecting rods and the advancing direction of the extending monomer plates in an initial state, and the included angle alpha isgreater than 90 degrees and less than 180 degrees; a first magnet is embedded into the outer side face of the circular table plate; and second magnets are embedded into the ends, close to the turntable, of the extending monomer plates. According to the round table with adjustable tabletop size and an adjusting method thereof, the tabletop size can be adjusted easily and quickly, the expanded tabletop portion has strong support, the used material is low in cost, the processing technology is simple, the cost is low, and the service life is long.

The invention discloses an adjustable auxiliary device for the installation of a cross arm, and the device comprises a locking clamping rod, a first clamping plate and a second clamping plate. One side of the first clamping plate and one side of the second clamping plate are provided with clamping arcs which are semicircular and can be matched with each other to form a circle. The locking clampingrod is provided with a connecting rod in an inclined hinged manner, and an end part of the connecting rod is hinged to a handle. The centers of the clamping arcs are respectively provide with movableclamping blocks, and the two movable clamping blocks are respectively provided with movable push frames. The interior of each movable push frame is provided with a threaded push rod in a sleeved manner, and one end of each threaded push rod is disposed on the corresponding movable clamping block. According to the invention, the device is provided with the first and second clamping plates which are matched with each other, and can form a dead point to clamp an electric rod, thereby forming a fixed placement platform, greatly reducing the labor intensity of a worker, facilitating the shorteningof the installation time, improving the work efficiency, facilitating the improvement of the installation quality, and reducing the potential safety hazard. Moreover, the device is provided with themovable clamping blocks, and the device can be suitable for electric rods with different diameters, is wide in application range, and is good in practicality.

The invention discloses a cold air flow channel distribution structure in a cabinet engine room, which comprises a cold air channel body, at least one opening formed in the cold air channel body and communicated with the interior of a cabinet, and a flow guiding plate arranged on the opening for closing the opening, wherein the opening and equipment in the cabinet correspond in direction, and the flow guiding plate comprises a connection end and a free end, and is connected with one side edge of a cold air flow towards downstream. The work principle is sketched as follows: when being guided by the cold air channel along a pipeline direction, the air cold flow can directly reach the air outlet of the cold air channel, at the moment, after the flow guiding plate on site is adjusted by rotating a certain angle towards the interior of the cold air channel through taking the connection edge of the flow guiding plate, connected with the cold air channel, as the axial direction, the direction of the cold air flow in the linear direction of the cold air flow in the cold air channel is changed to be guided out of the cold air channel, and the local heat points in vicinity of the flow guiding plates are removed.

The invention discloses a fixing device for punching formation in tablet production. Two baseplates are transversely arranged; a first fixed frame is arranged at the top of one of the baseplates; a hydraulic pump is arranged at the top of the fixed frame; two side clamping plates are arranged above the baseplates; extension rods are arranged on one sides of the side clamping plates; limiting blocks are arranged at one ends of the extension rods; two support rods are arranged at the bottoms of the side clamping plates; rollers are arranged at the bottoms of the support rods; and a mounting tankis formed between the two baseplates. Users directly place a first template below the mounting tank; as the first template is longer than the gap between the two baseplates, when the hydraulic pump is started, the first template is pressed by a hydraulic rod in the hydraulic pump for fixation, and a second template is placed at the top of the first template; two baffle plates are stopped on the two sides of a mold hole in the surface of the second template; and at this time, a punching device performs compression molding on tablets.

The invention relates to a medical apparatus and instrument, in particular to a novel walking aid. The novel walking aid comprises a handrail frame a1-1, a handrail frame b1-2 and a moving disk 2; an upper transverse rod 3-1 and a lower transverse rod 3-2 are connected between the handrail frame a1-1 and the handrail frame b1-2; a reinforcing rod a4-1 and a reinforcing rod b4-2 are respectively arranged at the lower part of each of the handrail frame a1-1 and the handrail frame b1-2; the reinforcing rod a4-1, the reinforcing rod b4-2 and the lower transverse rod 3-2 are on the same horizontal plane; when infusion is not required, an infusion bottle seat can be taken down and can be replaced with an exercise rod for assisting in exercising; the overall replacement mode is very convenient; a patient is hurt easily if an infusion bottle hook is not placed well, and the infusion bottle is wrapped closely by utilizing a stretchable ordinary silica gel protective cover, so that the operation is simple and convenient, space is not occupied, and the overall protecting effect is good.

The invention provides a bicycle pedal lock which comprises a rocker and pedal parts. The rocker comprises a first stress arm and a second stress arm, and each pedal part comprises a fixed shaft, a U-shaped piece, a rotating piece, a first connecting piece, a lock barrel, a second connecting piece and a lock bolt. The U-shaped pieces, the lock barrels and the lock bolts are connected in a manner of being hinged to the first connecting pieces and the second connecting pieces, and therefore the lock barrels and the lock bolts are easy to operate in the bicycle locking process, the length of the bicycle locking portion is increased, and wheels and other objects can be locked together when necessary. A bicycle is provided with the two pedal parts, the front wheel and the back wheel can be locked together, and the safety is greatly improved.

The invention provides a sewage treatment device, and relates to the field of sewage treatment. The sewage treatment device comprises a machine body, wherein the left side of the machine body is fixedly connected and communicated with an aeration box; the bottom part of the interior of the aeration box is fixedly connected with an aerator; the left side of the aeration box is fixedly connected with a water intake pipe; the right side of the machine body is fixedly connected with an installation part; the installation part comprises an installation box; the bottom part of the interior of the installation box is fixedly connected with a storage battery pack; an opening and closing door is arranged at the right side of the installation box. The urban sewage treatment device has the advantagesthat by arranging a guide inclined seat, a cleaning part, an aerator and an aeration box, the water flow is transferred in the aeration box, the aeration is performed by the aeration box, the guide inclined seat is used for guiding the sewage to gather and fall down, the cleaning part is used for cleaning the gathered sludge on the guide inclined seat, and an electric push rod is moved to drive aconnecting rod and a vertical plate to push and scrape the sludge; while the bottom sludge is scraped by a bottom corner plate, the concave edges can be conveniently pulled back.

The invention relates to medical equipment, in particular to a movable support. The movable support comprises a support body, the support body is provided with four support legs, wheels b are arranged on the four support legs, a connection rod is arranged between the two lateral support legs, a horizontal rod is further arranged between the two middle support legs, and a primary rod is in through connection to the horizontal rod. A universal wheel of a triangular structure is matched with four assistant fixed wheels, so that the movable support can be pushed and pulled back conveniently and is flexible to turn. By means of multifunctional combination, the movable support is more convenient to use in the situation of a turning function. Furthermore, a placement plate (20) can be taken in an inserted mode, the placement plate is very convenient to take out, and a lighting lamp or a rotary infusion bottle base is convenient to change. An accumulator 10 can be used for charging other electric appliances.