12 results about "Double compression" patented technology

The utility model discloses a geotechnical cloth fixing device for roadbed construction, including bottom fixed block, the top fixed block is installed to the top of bottom fixed block through screwdown assembly, be provided with clamping positioning assembly between bottom fixed block and top fixed block, the bottom of bottom fixed block is provided with the rolling groove, and the side of bottom fixed block is fixedly installed with the side support, and the rolling shaft is rotatably installed on the side support, this geotechnical cloth fixing device for roadbed construction, set up the rolling shaft, can set up the geotextile of extra and wind around, avoid the problem that the edge is long and is accumulated together, inconveniently fixed, set up screwdown assembly, can drive top fixed block to move down, cooperate clamping positioning assembly, can be tightly fixed with geotextile, through double compression, can realize the stable fixing of geotextile, avoid the problem that geotextile is blown away with the wind when meeting strong wind weather.

The utility model provides a kind of double compression chamber device and round baling machine with non-stop function, and the device includes main part, and the both ends of main part are respectively provided with first compression chamber and second compression chamber, and the bottom of main part is provided with feeding mechanism, first compression chamber includes the first buckling portion pivotably arranged at the first end of main part and the second buckling portion coaxial with feeding mechanism, and second compression chamber includes the third buckling portion pivotably arranged at the second end of main part, material is initially packed by entering first compression chamber from feeding mechanism, and enters second compression chamber by the pivoting of first buckling portion and second buckling portion to form bale. The double compression chamber device with non-stop function of round baling machine can realize simultaneous operation of double compression chamber, can realize picking, net winding and material feeding without stopping during the whole operation process, solves the problem of low work efficiency of existing equipment, and also solves the problem of low average density of existing bale.

The utility model relates to a quick connecting device for a bottom electrode of a direct-current electric arc furnace and belongs to the technical field of metallurgy. The device comprises a conductive busbar, a compensator, a front pressing plate, a rear pressing plate, a pressing block, a connecting bolt, a compression nut and a locking nut, wherein the compression nut and the locking nut are matched with each other; the front pressing plate and the rear pressing plate clamp the conductive busbar and the compensator through three sets of connecting bolts, one set of bolts achieves positioning, the other two sets of connecting bolts are distributed on the upper side and the lower side of the busbar so as to reduce the number of holes, meanwhile, the U-shaped bolt holes allow the bolts to rapidly slide in or move out, and stable pressing and loosening prevention are achieved through combination of the double pressing nuts and the double locking nuts. According to the scheme, the conductive area is reserved by reducing busbar holes, and the current density and energy loss are reduced; the bolt layout and the disassembly and assembly structure are optimized, and the maintenance efficiency is remarkably improved; the design of the pressing blocks and the symmetrical pressing plates ensures balanced distribution of pressure, connection reliability is enhanced, and the structure is suitable for a high-current-load direct-current electric arc furnace bottom electrode scene and has the advantages of high efficiency, stability and economical efficiency.

The utility model discloses a high -tension connecting device of power transformer relates to power transformer installation tool technical field, including installation cylinder and wire pressing subassembly, installation cylinder and wire pressing subassembly swing joint, wire pressing subassembly includes wire pressing board, buckling plate, installation cover, installation rod and spring, and wire pressing board has two and rotates the connection, and the installation shaft of wire pressing board is fixedly connected with installation rod, and installation rod and installation cover swing joint, and the top of installation cover is through the installation cylinder and is fixedly connected with buckling plate, and the cooperation of wire pressing board, buckling plate, installation cover and installation rod and press the effect of double compression of sleeve is realized to this scheme, improves the stability to cable connection end copper wire, utilizes the cooperation of transition strip, connecting block and locking sleeve can be connected with cable shell stably, makes whole and cable shell connect together, avoids the cable copper wire connection end under the gravity and appears the situation of loose connection, and simultaneously buckling plate, press the waterproof dustproof effect of each junction of sleeve and protective sleeve is improved.

The present application belongs to the technical field of edible mushroom bag production, and particularly relates to a vertical edible mushroom bag production and cultivation system, which comprises an intermittent conveyor, a sleeve bin, a mushroom bag cup, a discharging machine, a cover falling machine, a bidirectional double compression structure, a vertical cultivation structure and a pair of clamping and correcting structures. In the present application, after the mushroom bag cup is filled, capped and compression-inserted, whether it is stored, shipped or transported, the inner lining cup cylinder and the plastic sleeve inside the outer supporting cup cylinder can be protected, so as to avoid the separation cup cylinder from being bumped and squeezed inward to separate from the inner lining cup cylinder, and the plastic sleeve from being cut. A plurality of heat insulation boxes are arranged to facilitate the staff to set different cultivation conditions and parameters, so as to simulate diversified mushrooming environments. The staff can mark the optimal mushrooming cultivation conditions and parameters on the heat insulation boxes, so that the visitors and purchasers can intuitively understand the optimal mushrooming performance of the batch of mushroom bags under specific environmental parameters.

The utility model relates to the field of aluminum-plastic co-extrusion door and window processing, and discloses an aluminum-plastic co-extrusion single-foot and double-foot pressing line structure which comprises a co-extrusion window, a single pressing strip groove is formed in the inner wall of the co-extrusion window, a double pressing strip groove is formed in the inner wall of the co-extrusion window, and the single pressing strip groove and the double pressing strip groove can be matched with different locking points through two groove opening designs. Sealing strips are arranged on the inner walls of the single-pressing-strip groove and the double-pressing-strip groove. According to the utility model, through the optimization and upgrading of the process, the selection requirement of using two pressing lines during the installation of the aluminum-plastic co-extrusion door and window is successfully met. The change is of great significance, the adaptation degree of the glass pressing line is greatly improved, and the door and window pressing line can be better met no matter how different aesthetic preferences, functional requirements and other differentiated requirements of a user for the door and window pressing line are. And meanwhile, the overall performance of the door and window is further improved, and the door and window are more excellent in the aspects of energy conservation, sealing and the like.

This utility model relates to the field of wireless communication antenna technology, and in particular to a waterproof 5G mushroom-shaped antenna, comprising a lower cover and an upper cover. The lower cover and the upper cover are assembled by fitting together to form a sealed outer shell structure. Multiple mounting holes are evenly distributed circumferentially along the edge of the lower cover. Multiple connecting posts are evenly distributed circumferentially inside the upper cover, and multiple supporting posts are evenly distributed circumferentially inside the lower cover. By setting an outer waterproof ring and an inner waterproof ring on the lower cover to form an annular sealed interlayer, and cooperating with the annular pressure plate at the bottom of the upper cover embedded in this interlayer, a double compression sealing structure is formed, thereby significantly improving the dustproof and waterproof capability at the joints, enabling the overall protection level to reach IP68 standard.

The utility model discloses a vertical ionic liquid compressor device with double compression chambers, and belongs to the field of industrial equipment for pressurizing gas by using ionic liquid. Comprising a cylinder cover assembly, a piston assembly, a cylinder body, a connecting rod, ionic liquid, a cylinder sleeve, a water inlet and outlet connector and a base assembly. The utility model discloses a structure that two independent compression chambers are arranged on the upper portion and the lower portion of a piston respectively aiming at the fact that a piston of an existing ionic liquid compressor can only correspond to a single compression chamber form. The ionic liquid exists in the two independent compression cavities at the same time, when the compressor is static, the ionic liquid is arranged on the upper piston and the lower piston, and the compressor is vertically arranged to ensure that the ionic liquid is effectively attached to a piston ring under the action of gravity; compared with an existing structure that a set of compression cavities are arranged in a single air cylinder, one set of air cylinder devices and corresponding driving devices can be omitted, therefore, occupied space is reduced, meanwhile, the types of parts are saved, and the manufacturing cost is reduced.

The utility model relates to the field of floors, in particular to a novel compression-resistant PVC floor which comprises a PVC base plate, a PVC middle-layer plate and a PVC face plate, the PVC face plate is installed on the top of the PVC middle-layer plate through a buffering assembly, a supporting assembly is fixed between the bottom of the PVC middle-layer plate and the top of the PVC base plate, a sound insulation assembly and a heat preservation assembly are fixed on the inner side of the supporting assembly, and the PVC base plate is installed on the PVC middle-layer plate. The PVC floor board has the advantages that the compression resistance of the PVC floor board can be effectively improved in a double compression resistance mode, the PVC floor board can have the functions of sound insulation, heat preservation and stain resistance, and therefore the PVC floor board can better meet use requirements and is suitable for being popularized.

The utility model belongs to glass production conveying technical field, specifically disclose a kind of glass substrate conveying line side guide wheel, including the fixed base for connecting rack, fixed base is hinged with support rod on through hinged axle, support rod is equipped with guide wheel assembly, and the radial two sides of hinged axle are symmetrically arranged for adjusting the adjusting assembly of support rod swing damping, adjusting assembly includes screw seat, screw rod, sleeve and compression spring, screw seat is fixedly connected in fixed base, screw rod is screw-connected in screw seat, sleeve is fixedly connected in the one end of screw rod close to support rod, compression spring is arranged in sleeve and one end abuts to the bottom wall of sleeve other end abuts to support rod, the compression amount of compression spring can be changed by rotating screw rod, to realize the stepless adjustment of the damping force of support rod, adapt to different working condition requirement, while the symmetrical layout of double compression spring can provide two-way buffering, ensure that support rod is stressed balanced when swinging, and effectively inhibit abnormal vibration.

The utility model relates to carton packaging printing technical field, especially carton packaging printing anti -wrinkle smoothing device, including base, still including second compression roller, the top of base is equipped with two supports, two supports all are fixed with two guide rails, corresponding two guide rails between installing have first bearing seat, two first bearing seat between being connected with first compression roller, corresponding two guide rails between still sliding connection have second bearing seat, the top of two supports all is equipped with the cylinder, the output of cylinder with corresponding second bearing seat is connected, and the cylinder is used for driving second bearing seat to move up and down, two second bearing seat between installing have second compression roller, and the spacing of two supports is provided with limit mechanism, the utility model discloses through the cooperation of double compression roller, adopts the even pressure flattening of paperboard to the roller pressure mode, and the spacing of two compression rollers can be flexibly controlled by cylinder adjusting mechanism, realizes stepless regulation of pressure, can satisfy the strong pressure demand of thick paperboard, and can also adapt to the soft processing of thin paperboard.