16results about How to "No gaps" patented technology

The invention belongs to the technical field of iron tower welding, and discloses an iron tower steel structure welding fixing tool which comprises a workbench, when a bearing frame plate vertically ascends and descends, the distance between the bearing frame plate and a square strip can be close or away, and generated extrusion force and traction force are generated; a rotating plate drives a sliding block to slide back and forth on the inner wall of a sliding hole formed in the top of a bearing frame plate, the sliding block drives an L-shaped rod and a positioning shell to move back and forth, the positioning shell drives a positioning roller to move back and forth, the positioning roller can extrude the side faces of the steel plates in the moving process, and therefore the angle between the two steel plates is adjusted and controlled; and it is ensured that the steel plate can be located at the correct relative angle in the welding or assembling process. The precise angle regulation and control are of great importance for ensuring the stability of structural parts, reducing errors and improving the assembly precision. And the production line can process various welding tasks of different types more flexibly, the types of welding items are expanded, and the diversity of products is improved.

The utility model provides a kind of roof special-shaped aluminium plate curtain wall construction device, including connecting plate, the inside wall of special-shaped aluminium plate is fixed with connecting node, one end of the connecting plate is connected with the special-shaped aluminium plate by bolt series connection node, the other end of the connecting plate is fixed by bolt series connection inside of fixed connecting frame, and the connecting frame is fixed on the side wall of fixed plate by bolt, and the fixed plate is fixed on wall by expansion bolt;Connecting piece, the connecting piece is installed in the side of the special-shaped aluminium plate;Positioning frame, the positioning frame is installed in the outside of the special-shaped aluminium plate, and is fixed in the side wall of the fixed plate by bolt;Connecting rod, the connecting rod is passed through the side wall of the stand column by the through hole, and clamp block is sleeved on the side wall of the connecting rod;The roof special-shaped aluminium plate curtain wall construction device provided by the utility model has the advantages of being able to adjust the angle of the connecting part of the special-shaped aluminium plate, improving work efficiency, and being able to smoothly transition and splice.

The utility model relates to the technical field of fire fighting, in particular to a hidden type indoor fire hydrant, and aims to solve the problems that a box door opening mode is tedious and operation is inconvenient in emergency. The hidden type indoor fire hydrant comprises a machine box, a box cover is arranged in front of the machine box, a control assembly is arranged in the machine box, and the machine box comprises a shell; a transverse plate is fixedly installed in the shell, and a bolt body is arranged in the shell. Through cooperation of a first permanent magnet strip and a second permanent magnet strip, a cover body can be adsorbed and positioned, the cover body is effectively prevented from sliding and loosening, through cooperation of a T-shaped plate, a rack and a gear, a rotating rod can be controlled to rotate, then the rotating rod can control a shifting rod to rotate, and therefore the shifting rod can push the cover body to move; meanwhile, it can be ensured that the cover body is flush with the wall surface, appearance protrusions and gaps do not exist, the sense of wholeness is high, the cover body is highly matched with the indoor hardcover scene, and the door opening mode is more convenient and faster.

The utility model discloses a kind of vortex mixers, including pressing plate, multiple vertical telescopic rods are installed on placing plate, multiple connecting grooves for corresponding telescopic rod extension are installed on the bottom surface of pressing plate.The utility model has the following beneficial effects: plane movable mechanism lets telescopic rod be able to drive pressing plate to move with placing plate and test tube, so that test tube can be prevented from being inclined, so that the depression of cover plate cannot cause gap between test tube and test tube cover, the possibility of solution leakage is avoided, and the result of detection is ensured accurate.

The application discloses a top sealing device of a shot blasting chamber and the shot blasting chamber. The top sealing device of the shot blasting chamber comprises a guard plate, a drive device and a driving arm. The guard plate is provided with a guide inlet which is open to the side where the first long plate edge is located at a predetermined position of the first long plate edge. The drive device is located at the second side of the outer opening of the shot blasting chamber. The end of the driving arm is hinged to the back side of the guard plate. The hinged position of the guard plate and the driving arm is offset to the second long plate edge. The driving arm is a rocker arm which is hinged to the predetermined position of the second side of the opening. The top sealing device of the shot blasting chamber according to the embodiment of the application has relatively good sealing performance and relatively compact structure.

The utility model discloses a gas sensor packaging structure and a gas concentration detector, the gas sensor packaging structure comprises a packaging shell and a sealing plate; a detection cavity is formed in the packaging shell, an air inlet and an air outlet are formed in one side of the packaging shell, a glue filling groove is formed in the other side of the packaging shell, and a detection opening is formed in the bottom of the glue filling groove; the detection cavity is sequentially communicated with an air inlet channel, a detection channel and an air outlet channel, the air inlet channel is communicated with the air inlet, the detection channel is communicated with the detection port, and the air outlet channel is communicated with the air outlet; the sealing plate is arranged in the glue pouring groove, an induction assembly is fixed to the sealing plate, the induction assembly is arranged towards the detection opening, and the sealing plate covers the detection opening. The utility model can solve the problem of long-term stability of the sensor.

This utility model relates to the field of mattress technology. A novel mattress that combines comfort and quick disassembly and repair includes an elastic core and a mattress cover. At least three elastic cores are arranged horizontally inside the mattress cover, and each pair of adjacent elastic cores is detachably connected by a first connecting component. The mattress cover includes an upper cover and a lower cover, which are detachably connected by a second connecting component, forming a cavity for housing the elastic cores. The advantages of this utility model are: it facilitates quick and easy transport and movement, eliminating time and effort; it allows for precise repair or direct replacement of corresponding components, preventing the entire mattress from being discarded due to minor damage; the repair and replacement process is simple and convenient, greatly saving on transportation and repair costs; and the horizontal cavity also provides users with good sleep quality.

The application discloses a kind of fast clean type civil construction dust collection device, including mobile car body, the mobile car body bottom is equipped with drive assembly, the mobile car body front side bottom is equipped with feed slot, the feed slot opening bottom is equipped with feed assembly, the feed slot opening top is equipped with baffle, the rear side of baffle is equipped with adsorption disc, the inside of adsorption disc is equipped with conveying cavity, the bottom of adsorption disc is equipped with several strong suction ports being connected with conveying cavity, the inner top of conveying cavity is equipped with input pipe. Advantage: through the design of feed assembly, when the device works, feed assembly can be put down, so that feed assembly can be combined with the ground of working surface, and then the dust on the ground is treated, that is, by driving motor drives rotating shaft to rotate, so that feed plate rotates towards the ground, so that the inclined plane soft plate of feed plate end portion contacts with the ground, and then dust is conveniently scooped up.

The utility model relates to a polycrystalline diamond compact substrate. The outer edge of the top of the polycrystalline diamond compact base body extends upwards to form an annular protrusion. The outer side face of the annular protrusion is flush with the outer side face of the polycrystalline diamond compact base body. A material containing groove matched and corresponding to the polycrystalline diamond layer is formed in the inner area of the annular bulge; the depth of the material containing groove is matched with the thickness of the polycrystalline diamond layer. The annular protrusion replaces the outer side face of the polycrystalline diamond layer to be connected with the drill bit body in a brazed mode, it can be guaranteed that no gap exists between the polycrystalline diamond compact and the drill bit body, edge collapse of the polycrystalline diamond layer is avoided, and the service life of the gauge protection structure is prolonged.

The invention discloses a livestock meat cutting, hanging and conveying device, and relates to the technical field of livestock slaughtering and processing. The livestock meat cutting, hanging and conveying device comprises a chain main body, and further comprises carrying frames which are arranged below the chain main body at equal intervals through connecting frames; the hook main body is formed by crossing two groups of L-shaped rods, and a middle shaft is rotationally mounted at a crossing point and is fixed in the carrying frame; the position adjusting assembly is located between the upper portions of the two L-shaped rods, and in the conveying stage, the height of the position adjusting assembly is not changed so as to limit the angle of the two L-shaped rods; according to the livestock meat cutting, hanging and conveying device, the auxiliary track and the position adjusting assembly which are in linkage with the conveying chain are arranged, and when the conveying device runs to a specific discharging station, posture changes of the hooks can be automatically triggered.

The utility model discloses a kind of foot ankle pressure detection devices, it is related to pressure detection technical field, including shoe body, tongue and sole, the foot wrist of shoe body is provided with flexible pressure sensor.The foot ankle pressure detection device disclosed in the utility model has by being provided with flexible pressure sensor, the flexible pressure sensor on sole is set at the two sides of upper and the lateral side of little toe of toe, so that it can not only gather plantar pressure data when walking, but also detect the pressure data of ankle extrusion shoe body, tongue, so that data acquisition is more accurate, so as to assist doctor to evaluate the result of foot ankle injury rehabilitation and provide part data effect for treatment scheme.

This invention discloses an acrylic formwork construction device for box culvert concrete, belonging to the field of box culvert construction technology. It includes an acrylic sheet for box culvert concrete, a steel formwork set under the acrylic sheet, and a vertical plate set under the steel formwork. A transverse telescopic support frame is formed by a series of parallel first connecting rods and parallel second connecting rods connected in a crisscross pattern. A guide rod is hinged to the lower end of the first connecting rod near the vertical plate, and the guide rod is slidably positioned within a vertical groove on the vertical plate. The upper end of the first connecting rod is hinged to the upper end of another set of second connecting rods. The upper end of the second connecting rod near the vertical plate is hinged to the vertical plate, and the lower end of the second connecting rod is hinged to the lower end of another set of first connecting rods. The middle of the same set of first and second connecting rods is hinged. The upper ends of both the first and second connecting rods are simultaneously hinged to a sliding column. This invention's device is convenient for construction and can improve the appearance quality of box culvert concrete.

This application relates to a construction equipment and method for municipal road asphalt concrete pavement, comprising a frame, a support wheel at the front end of the frame, and a drive steering wheel at the rear of the frame. A compaction device is mounted on the support wheel, comprising a plurality of arc-shaped compaction plates rotatably connected to the frame and rotating along the axis of the support wheel. Each arc-shaped compaction plate can abut against the lower outer side of the support wheel. The support wheel has a positioning part that positions the arc-shaped compaction plates away from the ground. When the positioning part positions the arc-shaped compaction plates, a gap is formed between the ends of the arc-shaped compaction plates, allowing the support wheel to abut against the ground. This application achieves a better human-machine interaction experience by minimizing parameter changes between the compaction mode and the transfer mode when the equipment has the function of relocating to different sites.

The utility model discloses a variable diameter gate front sealing assembly of multilayer pad iron structure relates to the technical field of gate front sealing, and it is front end middle part of sealing rubber body has arc concave surface no.

The utility model discloses a new energy automobile radiator with a flow guide structure, which comprises a heat conducting plate, a fan and an air duct, a base plate is mounted on the heat conducting plate through a buckling mechanism, a plurality of arc-shaped fins are arranged on the surface of the base plate, the section of each arc-shaped fin is U-shaped, the fan is mounted at the center of the base plate, and the air duct is connected with the arc-shaped fins; when the substrate is placed on the heat-conducting plate, the clamping groove is aligned with the limiting block, the limiting block presses the heat-conducting plate and prevents the heat-conducting plate from sliding, the pressing block is rotated to press the other side of the heat-conducting plate, the non-slip mat can limit rotation of the pressing block, the pressing block is matched with the limiting block to achieve rapid assembly of the substrate and the heat-conducting plate, and the heat-conducting plate cannot be loosened due to vibration. And the fan can extract surrounding air at 360 degrees, air channels are formed between the arc-shaped fins to guide the air to flow to the fan, the fan can quickly and uniformly cool all the arc-shaped fins, and the heat dissipation effect is good.

A foundation for a cellar bottom includes, from bottom to top, a compacted soil layer, a clay layer, a waterproof and breathable membrane, a neutral cellar mud layer, and a cellar bottom cultivation mud layer. The waterproof and breathable membrane includes a fixed frame, a breathable membrane body, and positioning patches. The fixed frame is U-shaped, including a rectangular frame and rectangular membrane body limiting holes located within the rectangular frame. The shape of the breathable membrane body is adapted to the shape of the rectangular membrane body limiting holes. Several positioning patches are laid horizontally and vertically at intervals on the top surface of the breathable membrane body, and both ends of each positioning patch are adhered to the top surfaces of both sides of the fixed frame, so that the breathable membrane body and the fixed frame are fixed together. In this application, the waterproof and breathable membrane has countless ultra-fine tortuous channels formed between the fibers, which block liquid water and diffuse gaseous water, while achieving waterproofing and breathability. It forms a continuous waterproof layer at the bottom of the cellar, which can effectively prevent the penetration of liquid water.