10results about How to "Increase extrusion area" patented technology

The utility model discloses a dead animal grease extraction device which comprises a heating and decocting part, a lower deposition box body is arranged on one side of the heating and decocting part, an upper squeezing box body is fixedly connected to the upper end of the lower deposition box body, and hydraulic columns A are fixedly connected to the two sides of the upper end of the upper squeezing box body. A connecting plate is fixedly connected to the output end of the lower end of the hydraulic column A, a plurality of inserting frames are fixedly connected to the lower end of the connecting plate in a transverse arrangement mode, feeding ports are fixedly connected to the middles of the two sides of the upper squeezing box body, and hydraulic columns B are fixedly connected to the lower ends of the two sides of the upper squeezing box body through supporting frames; and a filter plate is fixedly connected between the bottom end of the interior of the upper squeezing box body and the upper end of the lower deposition box body. According to the utility model, the convex ball blocks are fixedly arranged on the two sides of the heating plate, so that the contact area between the two sides of the heating plate and the animal fat is further increased, and the efficiency of decocting the animal fat in the heating plate and the heating box is further improved.

The invention discloses a gravel cleaning device for constructional engineering, and belongs to the technical field of gravel cleaning of constructional engineering, the gravel cleaning device comprises two workbenches, a driving device, a crushing device, a transmission device, a water absorption device, an adjusting device and a cleaning device, the two workbenches are symmetrically arranged on the horizontal plane, the driving device is arranged on the two workbenches, and the crushing device is arranged on the driving device. The number of the crushing devices is two, the two crushing devices are arranged at the upper ends of the two workbenches respectively, the number of the transmission devices is two, the number of the water absorption devices is two, the two water absorption devices are connected to the corresponding crushing devices through the corresponding transmission devices respectively, the adjusting device is connected to the two crushing devices, and the number of the cleaning devices is two. According to the device, after sandstone cleaning is completed, water absorption operation can be conducted on the surface of sandstone, after water absorption is completed, the sandstone can be crushed, and it is avoided that when the sandstone is put into a bag, the sandstone is too wet, and the size is not uniform.

The present invention relates to the technical field of energy storage devices for wind turbine generators, and discloses a protective device for energy storage devices for wind turbine generators and a protective method thereof, including a protective box body, and a plurality of protective upper covers are slidably connected directly above the protective box body. When the present invention uses the protective device, firstly, the battery is placed inside the protective box body along the telescopic plate. At this time, the bottom of the battery is squeezed with the telescopic plate. The telescopic plate is squeezed and drives the rotating rod to rotate along the rotating rod. The rotation of the rotating rod drives the telescopic rod to rotate. The rotation of the telescopic rod contracts and squeezes the tension spring. The telescopic rod drives the sliding blocks at both ends of the rotating shaft to slide along the limiting groove. When the bottom of the battery contacts the placement bottom plate, the side wall of the battery will be squeezed with the fixed sponge sleeve on the rotating shaft. Such a setting is conducive to the fixed sponge sleeve on the rotating shaft to produce preliminary positioning of the two sides of the battery.

The utility model discloses a plywood prepressing device which comprises a working table, a prepressing assembly is arranged at the top of the working table, an adjusting assembly is arranged at the bottom of the prepressing assembly, a fixing assembly is arranged on the outer side of the adjusting assembly, and front, back, left and right adjacent gears are meshed with each other. The adjusting assembly comprises a pressing rod, the pressing rod is fixedly installed at the bottom of the gear, a supporting rod is connected to the outer side end of the pressing rod in an inserted mode, and an extending rod is fixedly installed on the outer side of the supporting rod. According to the pre-pressing device for the plywood, the angle of a pressing rod and the length of an extension rod are adjusted, a top plate is fixed through an electromagnet, and after adjustment and fixation, a first hydraulic rod and a fourth hydraulic rod are started to extrude the plywood from the center and the four corners correspondingly; and during extrusion, the four corners and the center are extruded through the pressing rods and the extension rods, so that the extrusion area is greatly increased, and the probability of uneven extrusion is greatly reduced.

This utility model discloses a fastener for fixing automotive wiring harnesses, including a base plate. A cover plate is rotatably connected to one side of the top of the base plate. The base plate and the cover plate are connected by a quick-release fastener. The top of the base plate has several equally spaced lower slots. The base plate is a hollow structure. An installation port is formed on each lower slot. A pressing component is installed within the installation port. The pressing component includes an elliptical pressing block located within the installation port. An insertion hole is formed at an eccentric position on the elliptical pressing block, and an adjusting rod is provided within the insertion hole. An installation hole is formed on the outer wall of the installation port, and a first threaded sleeve is fixed within the installation hole. This utility model enables the arrangement of wires and allows for independent pressing and fixing of each wire. The longer elliptical pressing block provides a larger pressing area, avoiding excessive pressing force that could damage the wiring harness due to localized small-area pressing, thus achieving stability and preventing pulling.

The utility model provides a shock absorption and noise reduction three-phase asynchronous motor, which comprises a motor main body and a mounting bottom plate, the bottom of the motor main body is fixedly connected with a butt joint seat, the butt joint seat is disc-shaped, and the disc surface of the butt joint seat is rotatably connected with rotating shafts which are uniformly distributed in the circumferential direction; the rotating shaft penetrates through the butt joint seat, an eccentric shaft is fixedly connected to the bottom of the rotating shaft, an annular connecting disc is fixedly connected to the upper portion of the mounting bottom plate, a damping rubber sleeve is arranged in the annular connecting disc in a sleeved mode, and the inner circumferential wall of the damping rubber sleeve is used in cooperation with the outer circumferential wall of the eccentric shaft. By arranging the annular connecting disc, the damping rubber sleeve, the rotating shaft and the eccentric shaft, the combined structure that the butt joint seat and the annular connecting disc carry out damping and noise reduction through the damping rubber sleeve has the advantages of being more labor-saving and rapid to assemble.

The utility model relates to the technical field of pipe fitting sealing connection, and discloses a sealed and fixed threaded type clamp flange structure which is used for sealing and connecting pipelines and comprises a clamp pipeline assembly, a threaded type clamp fixing ring and a sealing backing ring. The clamp pipeline assembly is provided with an inner taper annular face, the threaded clamp fixing ring is provided with a V-shaped taper annular face and a thread, and the end of the clamp pipeline assembly is provided with a thread matched with the thread. The sealing backing ring is provided with a taper annular face matched with the inner taper annular face. And the hoop pipeline assembly is in threaded connection with the threaded type hoop fixing ring through threads. According to the sealed and fixed threaded type clamp flange structure, the inner face and the outer face of the flange connector are designed to be the taper annular faces, the extrusion area of the clamp assembly and the flange connector is increased, stress concentration is reduced, and it can be guaranteed that the flange connector and the sealing ring are effectively meshed together; the sealing performance of the pipeline is ensured.

This invention belongs to the field of cigarette manufacturing technology and discloses a sealing forming device and cigarette production equipment. The sealing forming device includes a mounting frame, a first pushing mechanism, a smoke exhaust frame, and a pressurizing mechanism. The smoke exhaust frame is mounted on the mounting frame and forms a smoke exhaust channel extending along a first direction within the smoke exhaust frame. The smoke exhaust channel has a smoke inlet on one side in a second direction. The first pushing mechanism is used to push the cigarette pack located at the feeding position of the cigarette pack along the second direction. The pressurizing mechanism includes a rotary drive, a connecting arm, and a pressing arm. The rotary drive is connected to the lower side of the mounting frame. The pressurizing arm is connected to the connecting arm at an angle and passes through the smoke exhaust channel. The rotary drive can drive the connecting arm to rotate about the first direction as an axis. At least a portion of the end of the pressurizing arm is correspondingly positioned with the feeding position of the cigarette pack in the second direction and can abut against the top of the seal. The sealing forming device and cigarette production equipment produce cigarette packs with a high seal qualification rate, improving the appearance consistency of the products.

The present application relates to a method for constructing prefabricated enlarged bottom piles without bottom sealing, which comprises the following steps: S1. Equipment is brought into the site and the pile position is marked according to the construction requirements; S2. The bottom end of the prefabricated pipe pile is not sealed, and after the prefabricated pipe pile is pressed down to the designed bearing layer at the pile position, the loose soil in the hollow part of the prefabricated pipe pile is taken out, and the depth of soil removal exceeds the bottom end of the prefabricated pipe pile; or, a force transfer hammer is inserted into the hollow part of the prefabricated pipe pile, and is pressed down to the designed bearing layer together with the prefabricated pipe pile; S3. Filling material is added into the hollow part of the prefabricated pipe pile in batches, and a force transfer hammer with a length greater than the length of the prefabricated pipe pile is inserted into the hollow part of the prefabricated pipe pile, and the force transfer hammer is squeezed to squeeze the filling material by pressing, spinning or hammering, and the filling material forms a compacted enlarged head at the bottom of the prefabricated pipe pile; S4. Concrete is poured into the hollow part of the prefabricated pipe pile to form an inner pile. The prefabricated pipe pile of the present application has no bottom sealing and no pre-drilling, which can improve the efficiency of pile driving, and can ensure the bearing capacity of the pile end after taking soil from the hollow part of the prefabricated pipe pile.

The invention relates to the field of firecracker production, in particular to a firecracker paper tube arranging device. According to an existing paper tube arranging device, protrusions or recesses of paper tubes are difficult to repair, and the repairing effect on the paper tubes is common. A firecracker paper tube arranging device comprises a base, a shell, an inclined face base and the like. A shell is fixedly connected to the base, and an inclined face seat is fixedly connected to the base. An electric sliding block drives a guide shaft to rotate forwards through a guide plate, the guide shaft rotates forwards to drive a rotating roller to rotate through an overrun clutch, the rotating roller rotates to drive a rotating cylinder, a rotating gear and a rotating frame to rotate through a fixing ring, the rotating gear rotates to enable the rotating gear to rotate, and the rotating gear rotates to drive the rotating cylinder to rotate; the rotating cylinder rotates automatically to drive the paper tube to rotate, the paper tube is extruded by the rotating cylinder and the concave face of the rotating roller in the rotating process, protrusions or concaves on the paper tube are repaired, the surface of the finally arranged paper tube is smooth, and then the paper tube arrangement effect is good.