31results about How to "Save pick-up time" patented technology

The invention discloses a mechanical connection structure used for an uplift pile foundation. The mechanical connection structure comprises circular end plates which are fixedly arranged on two uplift pile heads respectively; a plurality of cambered mechanical connection clamps are clamped outside the two circular end plates at the joint parts of the uplift pipe heads; and the cambered mechanical connection clamps are fixedly connected to the circular end plates by a plurality of screws so that upper and lower uplift piles are connected together. The invention aims to overcome the shortages in the prior art, and provides the mechanical connection structure which has the characteristics of simple structure, capability of fixedly connecting two uplift piles quickly, safety and reliability.

The invention discloses a laying disc facilitating storing and taking of objects in a refrigerating box of a refrigerator. The laying disc comprises a laying frame and a box body. The box body is located above the laying frame, and a first through hole is formed in the middle of the laying frame and internally provided with a bearing; an annular sliding rail is arranged at the top end of the laying frame, sliding blocks are arranged at the bottom end of the box body, and the sliding rail is matched with the sliding blocks; the box body is of a structure with one open end and comprises side walls and a bottom plate, the side walls are mounted on the bottom plate, and a second through hole is formed in the middle of the bottom plate; a connecting column is mounted in the bearing, and the topend of the connecting column penetrates through the second through hole to extend into the box body; and the box body is internally provided with partition plates, rotating rings and connecting blocks, and the multiple rotating rings are connected to the connecting column in a sleeving mode. According to the laying disc facilitating storing and taking of the objects in the refrigerating box of the refrigerator, the box body is arranged above the laying frame, the annular sliding rail and the sliding blocks are arranged between the box body and the laying frame, and the box body and the layingframe are connected through the connecting column so that the box body can rotate above the laying frame, the objects in the refrigerated box are taken more conveniently, the taking time is saved, and resources are saved.

The invention discloses a connection structure used for a pull-out resistant pile foundation, which comprises two square end plates, wherein the two square end plates are fixedly arranged on two square pull-out resistant pile heads respectively; a plurality of bar-shaped mechanical connecting cards are clamped outside the two square end plates at the joint of the two square pull-out resistant pile heads; and the bar-shaped mechanical connecting cards are fixedly connected to the square end plates through a plurality of bolts to ensure that an upper pull-out resistant pile and a lower pull-outresistant pile are connected together. The invention aims to overcome the defects in the prior art and provides the connection structure which has a simple structure, can quickly and fixedly connect the two pull-out resistant piles together, and is safe and reliable; and the invention has the other aim of providing a method for connecting the two pull-out resistant piles together by adopting the connection structure.

The invention provides a storage device for a fire ladder, which belongs to the field of supporting devices for fire fighting equipment. card and linkage rod, the ladder storage bin is a square box structure, one end of the box is open and hinged with a door, the other end of the box is sealed, and a spring and a push plate fixed with the spring are arranged on the inner side of the sealed end. There is a cavity between the push plate and the door to accommodate the fire ladder. There are left winches and right winches on both sides of the ladder storage compartment respectively. The winch and the right side winch are respectively connected to both sides of the door by the left rope and the right rope, and at least one side of the elevator storage bin is provided with a door fixing card. The invention has the advantages of reasonable design, simple structure and convenient use, and can quickly take out the fire ladder, which saves taking time and wins precious time for fire extinguishing.

The invention relates to a placing device, in particular to an environment-friendly industrial wastewater test tube placing device, and aims to solve the technical problem of providing the environment-friendly industrial wastewater test tube placing device which is safe to place, convenient to take and large in placement space. In order to solve the above technical problem, the invention provides the environment-friendly industrial wastewater test tube placing device which comprises a pull ring, a baffle plate, a third spring, a movable rod, plugs, a placing block, second springs, slide rails, a water tank, a placing box, a second push plate, first push plates, first springs, a push rod, sliding blocks, a movable plate, a fixed plate and a steel wire rope; the water tank is arranged at the bottom of the placing box; the push plates are symmetrically arranged on the left side and the right side in the water tank. The environment-friendly industrial wastewater test tube placing device provided by the invention realizes the effects of being safe to place, convenient to take and large in placement space, can easily place test tubes, and prevents the test tubes from being damaged during placement.

The invention relates to a construction method of a prestressed pipe pile and a positioning hoop. A positioning hoop for a prestressed pipe pile includes a positioning ring sleeved on the outer side of an upper section pile, a limiting ring sleeved on the outer side of a lower section pile, and a To undertake the two limit seats of the welding tongs, the positioning ring is divided into two semi-circular positioning plates, one end of the two positioning plates is connected by rotation, and the other end is detachably connected, and the two limit seats are aligned with the positioning ring along the circumferential direction of the positioning ring. Sliding connection, the limit ring is divided into two semi-circular limit plates, one end of the two limit plates is connected by rotation, and the other end is detachably connected, the positioning ring and the limit ring are connected by a limit rod, and the two limit rods The locating rings at both ends are connected with the locating rings and the limiting rings in a sliding manner respectively in the circumferential direction. Through the setting of the positioning ring and the limit ring, the purpose of improving the construction work efficiency is realized; a construction method of the prestressed pipe pile, by using the positioning hoop, the pile connection time of the construction personnel is reduced, and the purpose of improving the construction work efficiency is realized.