Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

8results about How to "Good for turnover" patented technology

Novel turnover wellhead safety protection tool

The utility model relates to a novel turnover wellhead safety protection tool which comprises an upper circular hoop and a lower circular hoop, the upper ends of the inclined rods are hinged to the upper circular hoop and are arranged in a circle at intervals; the hinge joint is of a cross type and comprises a first shaft sleeve and a second shaft sleeve hinged to the first shaft sleeve in a cross mode, and the first shaft sleeve is connected to the inclined rod in a sliding and sleeving mode; the lower circular hoop is sleeved in the second shaft sleeve in a sliding manner; the threaded strips are arranged at the end of the first shaft sleeve at intervals, surround a circle and extend outwards in an arc shape; the rubber pads are laid on the inner side faces of the threaded strips; and the nut is connected with a circle of thread strip around the thread and is arranged at the root of the thread strip. The anti-falling device can protrude out of the upper portion of a well mouth, an anti-falling signboard can be conveniently installed, and the anti-falling device can also adapt to lock mouth ring beams of different specifications.
Owner:CHINA RAILWAY CONSTRUCTION ENGINEERING GROUP

A top tube backrest wall for monitoring pressure

ActiveCN224416317UAdjust force status in real timeavoid wear and tearElectrical connectionStrain gauge
The utility model relates to pipeline pressure measurement technical field, and disclose a kind of monitoring pressure's pipe backrest wall, including the first pouring body and second pouring body for constituting backrest wall, first pouring body and second pouring body are symmetrically arranged, the front side of first pouring body is vertically and leans against pipeline, the center area between first pouring body and second pouring body is provided with strain gauge in four corners, strain gauge is used to measure the impact force size that fluid in pipeline exerts on backrest wall, when strain gauge is pasted in backrest wall, backrest wall is subjected to pressure from pipeline and can cause strain gauge to produce deformation, the outside of backrest wall is provided with mainboard controller, the output end of strain gauge is electrically connected with mainboard controller, and mainboard controller includes processor and signal transmitting module, the output end of signal transmitting module is connected display screen, display screen can display pressure reading, so that staff can quickly read the pressure reading of pipe, and then real-time adjust pipe stress state, prevent pipeline overload damage.
Owner:THE FOURTH OF CHINA CONSTR SEVENTH ENG

Prefabricated part preformed hole positioning device

ActiveCN224089274UQuick vertical supportStable vertical supportCeramic shaping mandrelsCeramic shaping coresStructural engineeringMechanical engineering
The utility model discloses a prefabricated part preformed hole positioning device which is installed on a mold of a prefabricated part and comprises a positioning frame, a fixing piece and a plurality of embedded sleeves. The positioning frame is fixed to a mold through the fixing piece and extends into a to-be-poured area of the prefabricated part. The positioning frame comprises a first positioning plate, a second positioning plate and a fastening assembly, the first positioning plate and the second positioning plate are provided with a plurality of positioning holes corresponding to each other in the normal direction, and the pre-embedded sleeves are arranged in the positioning holes in a penetrating mode. And the diameter of the positioning hole is equal to the outer diameter of the embedded sleeve. The fastening assembly comprises a fixed chuck arranged on the periphery of the positioning hole, a sliding clamping plate arranged on the first positioning plate or the second positioning plate in a sliding mode and a locking piece. A movable chuck matched with the fixed chuck is arranged on the sliding clamping plate; the locking piece is at least used for locking the buckling state of the movable chuck and the fixed chuck; the device is provided with a calibration seam in a fitting area of the device and the mold.
Owner:CCCC FIRST HIGHWAY XIAMEN ENGINEERING CO LTD +1

Diagonal bracing device in the form of a steel lattice post and method of use thereof

This invention provides a diagonal bracing reinforcement device for steel lattice columns and its usage method, comprising a standard section, an adaptive section, and lattice column clamps; at least one standard section and one adaptive section are sequentially and detachably coaxially connected to form diagonal bracing members; the lattice column clamps are detachably installed on the lattice column, with several lattice column clamps arranged in two vertical rows; the two ends of each diagonal bracing member are detachably and obliquely connected to two lattice column clamps arranged vertically and alternately, so that a pair of diagonal bracing members are cross-set to form a scissor bracing structure. This invention relates to the field of building construction technology and can solve the problems of existing lattice columns requiring welding, being non-recyclable, having high requirements for welding quality, and having the risk of instability under pressure.
Owner:SHANGHAI CONSTRUCTION FOURTH CONSTRUCTION GROUP CO LTD

Detachable anchoring structure and corresponding overhanging scaffold

ActiveCN224314564UFlexible and easy to installFlexible and easy to disassembleScaffold accessoriesBuilding support scaffoldsFloor slabClassical mechanics
This utility model provides a detachable anchoring structure and a corresponding cantilever scaffold, with a bottom steel plate embedded inside the structural floor slab. Strips are embedded inside the structural floor slab, arranged circumferentially along the bottom steel plate. One side of the strip connects to the bottom steel plate, and the other side connects to the structural floor slab. One end of a bolt rod is located inside the structural floor slab and connected to the bottom steel plate, while the other end protrudes from the structural floor slab. A sleeve is fitted onto the bolt rod, with one end located inside the structural floor slab and connected to the bottom steel plate. The other end of the sleeve protrudes from the structural floor slab. An I-beam is connected to the upper end of the structural floor slab, and a long timber is connected to the upper end of the I-beam. A pressure plate is located at the upper end of the sleeve, and the pressure plate has a through hole, through which it is fitted onto the bolt rod. A nut is detachably connected to the bolt rod via threads, and the nut can cooperate with the long timber to limit the pressure plate in the vertical direction.
Owner:JIANGXI CONSTR ENG (GRP) CO LTD

Vine climbing and melon hanging frame for thin-skinned melon planting

ActiveCN224178776UPrevent breaking of seedlingsGood for turnoverPlant supportsAgricultural engineeringStructural engineering
The utility model relates to the technical field of melon planting, and discloses a thin-peel melon planting vine climbing and melon hanging frame which comprises a plurality of bottom plates and vertical rods arranged at the tops of the bottom plates. Longitudinal rods are arranged between the tops of the adjacent vertical rods, transverse rods are arranged between the adjacent longitudinal rods, the transverse rods are only provided with a plurality of guiding mechanisms, and each guiding mechanism comprises a sliding block connected to the transverse rod in a sleeving mode, installation handles arranged at the bottom of the sliding block and a rotating shaft arranged between the installation handles. The rotary knob is arranged on one side of the rotating shaft, the rotating shaft is rotationally connected with the mounting handles on the two sides, the rotating shaft is fixedly connected with the rotary knob, and a guide rope is wound on the outer surface of the rotating shaft.
Owner:GUANGXI ZHUANG AUTONOMOUS REGION ACAD OF AGRI SCI

Detachable chicken coop for star anise chickens in forest

The utility model relates to the technical field of chicken breeding, and discloses a detachable chicken coop for star anise chickens in a forest, which comprises a bearing plate and a coop body arranged at the top of the bearing plate, a mounting mechanism is arranged at the bottom of the bearing plate, a supporting mechanism is arranged at the bottom of the mounting mechanism, the mounting mechanism comprises a mounting plate, rolling wheels arranged at the bottom of the mounting plate and moving rails arranged at the bottoms of the rolling wheels, the mounting plate extends downwards to form two vertical plates, a rotating shaft is arranged between the vertical plates, and the rotating shaft is connected with the supporting mechanism. The rotating shaft penetrates through the rolling wheel, the rolling wheel extends into the moving track, one end of the moving track is sealed, and a check block is arranged at the other end of the moving track and used for limiting displacement between the moving track and the mounting plate.
Owner:GUANGXI PAIYANG LINXIA IND DEV CO LTD