42results about How to "Won't deflect" patented technology

The invention discloses a hydraulic bolt lifting device, and belongs to the field of ocean engineering equipment. A pile leg of the device movably penetrates a pile fixing frame, a plurality of rows of bolt holes are formed in the pile leg, a ring beam comprises a plurality of sliding yokes, and a bolt oil cylinder capable of being inserted into the corresponding bolt hole is arranged at the middle portion of each sliding yoke; the two ends of each lifting oil cylinder are connected with the corresponding sliding yoke and the pile fixing frame corresponding, and two lifting oil cylinders are symmetrically installed at the positions, on the two sides of the corresponding bolt oil cylinder, of each sliding yoke; and the plane where the center axis of the two lifting oil cylinders on each sliding yoke is located is the first plane, a bolt oil cylinder cross section where points, in contact with the corresponding bolt holes, of the bolt oil cylinder on each sliding yoke are located is the second plane, and the second plane and the first plane are located on one plane. By means of the hydraulic bolt lifting device, under the condition that the weights of the sliding yokes are the same, the sliding yoke can bear larger loads.

The invention provides a cutting machine head and a cutting machine. The cutting machine head comprises a machine head cover, a fixed frame, a tool apron support, a tool apron assembly and multiple tool modules; the machine head cover is arranged on the fixed frame and the tool apron support in a covering mode; the tool apron support is installed on the fixed frame; the tool apron assembly is installed on the tool apron support; the tool modules are installed on the tool apron support; the tool modules are installed on the tool apron assembly; and the multiple tool modules include a cutter module, a flywheel knife module, a vibration knife module and a drag knife module. The four different tool modules are installed on the cutting machine head, the cutting requirements of various materialsand lines can be met, when the cutting function is switched, the cutter modules are not required to be disassembled and assembled, operation is very convenient, and the automation degree is high.

The invention relates to a mute tip cone roller bearing. A structure support technology is characterized in that the set of bearing is formed by matching an inner sleeve ring, an outer sleeve ring, a row of single-row tip cone rollers and an invisible retainer. The external dimension standard of the mute tip cone roller bearing is in line with that of an international general roller bearing of international standardization organization (ISO). The invention aims at solving the problem that the third generation leading edge innovative technology bearing is not designed by anyone in the recent 140 years in the world. The mute tip cone roller bearing is characterized in that (1) one bearing can be independently taken as a main hub support; (2) two sealing covers are respectively arranged at the two ends of the bearing; (3) the bearing is high in bearing capacity; (4) the bearing is high in shear impact resistance; (5) the bearing is rapid in rotating speed; (6) the bearing improves the safety factor by 2%; (7) the bearing is good in stability; (8) the bearing is high in two-direction thrust capability; (9) the bearing is low in vibration noise; (10) the bearing is simple in structure and low in cost; (11) the bearing is long in service life; and (12) the bearing is convenient and fast to install and maintain, therefore, the mute tip cone roller bearing is a new generation innovative technology product which is high in economic benefit and environment-friendly.

The invention provides a shell of a portable payment terminal. The shell comprises a front shell body and a back shell body, the external edge of the front shell body comprises a first card slot wall, and the external edge of the back shell body comprises a second card slot wall matched with the first card slot wall to form a magnetic stripe card swiping slot; at the magnetic stripe card entrance of the card swiping slot, the second card slot wall comprises a first extension structure relative to the first card slot wall, and the first extension structure is arranged in a manner of extending along a reverse direction of the inserting direction of the magnetic stripe card. The invention further provides a portable payment terminal, wherein a processor, a display screen, a keyboard and a magnetic stripe card reader are mounted in the shell. The payment terminal has the structure of the magnetic stripe card swiping slot, the volume of the payment terminal is reduced, and the second card slot wall has the first extension structure. In comparison with the payment terminal without the extension structure, by the portable payment terminal with the extension structure, users do not need to deliberately find the accurate entrance position, and only need to initially place the magnetic stripe card on the extension structure, so that the portable payment terminal is convenient to operate and can improve the card swiping efficiency.

The invention relates to the technical field of machining, in particular to a special-shaped part machining clamping mechanism. The problem that in the field of machining, when a special-shaped part without a regular shape is machined, the special-shaped part cannot be firmly clamped easily, and the machining precision is affected is solved. According to the technical scheme, the special-shaped part machining clamping mechanism is characterized in that the special-shaped part machining clamping mechanism comprises a workbench; a V-shaped plate with an opening facing upwards and a supporting assembly for supporting the V-shaped plate are movably arranged on the upper portion of the workbench; and the height of the supporting assembly is adjustable. By adopting the technical scheme, when a workpiece is machined, the workpiece can be clamped in a clamping cavity between the V-shaped plate and the end surface of the workbench, and then the workpiece can be machined through hole boring or other equipment. Compared with common clamps, the workpiece can be firmly clamped in the clamping cavity through the V-shaped plate, especially the special-shaped part without a regular shape, and thesituation that the workpiece rotates in the clamping cavity, and the machineing accuracy of the workpiece is affected can be well avoided.

The invention provides a cutting device. The cutting device comprises a driving mechanism, a fixing device and a cutter. The cutter is mounted on the driving mechanism, and is driven to rotate by the driving mechanism. The driving mechanism is slidably connected with the fixing device, and comprises a T-shaped protrusion plate. The T-shaped protrusion plate is connected with a left-right adjustment mechanism and a front-back adjustment mechanism. The fixing device comprises a stand column. The stand column comprises an opening. The T-shaped protrusion plate slides up and down along the opening. A left-right clamping gap is formed between the left-right adjustment mechanism and the T-shaped protrusion plate. A part of the stand column is positioned in the left-right clamping gap. The left-right adjustment mechanism can clamp the stand column in the left-right direction. A front-back clamping gap is formed between the front-back adjustment mechanism and the T-shaped protrusion plate. A part of the stand column is positioned in the front-back clamping gap. The front-back adjustment mechanism can clamp the stand column in the front-back direction. The cutting device has the advantages that left-right and front-back deflection of the cutter is reduced effectively, vibration caused during sawing is avoided, and further, pipe cutting accuracy, efficiency and quality are improved.

The invention discloses a device for processing of a lampshade of a steering lamp. The device is characterized in that a worktable and the right side of a rack are positioned through a pin and connected through a bolt; an inner fixing column is in interference fit with the center of a worktable; an upper pressing plate comprises three rods which are integrally arranged to form a Y shape, and the part in which the three rods are intersected is hinged with the rack; the lower end of the rod at the right side is a flat and straight section; the lower end of the rod at the left side is hook-shaped; the rod at the upper end is hinged with an upper pushing rod; an upper ejection block is in sliding connection with the middle part of the right side of the rack; a spring is arranged between the upper ejection block and the right side of the rack; the left side of the upper ejection block is propped to the lower end of the rod at the left side of the upper pressing plate, and the right side of the upper ejection block is propped to the lower end of the rod at the right side of the upper pressing plate; a lower pressing plate is composed of three rods which are integrally arranged to form a Y shape; a lower ejection block is in sliding connection with the middle part of the right side of the rack; another spring is arranged between the lower ejection block and the right side of the rack; the left side of the lower ejection block is propped to the upper end of the rod at the left side of the lower pressing plate, and the right side of the lower ejection block is propped to the upper end of the rod at the right side of the lower pressing plate. The device is simple in structure, convenient and practical.

The invention discloses an automatic sample adding system for a reaction tube. The automatic sample adding system comprises a mounting plate, a centrifugal disc rotationally arranged on the mounting plate and used for placing the reaction tube, a dilution disc used for placing a biochemical cup and a sample disc used for placing a sample container; the system also comprises a reagent sampling mechanism which is used for automatically sucking a reagent B in the reagent B box on the mounting plate and then adding the reagent B into the reaction tube; a diluting and sampling mechanism which is used for automatically sucking the reagent A in the reagent A box on the mounting plate, then adding the reagent A into the biochemical cup, and automatically sucking liquid in the biochemical cup and adding the liquid into the reaction tube; and a sample adding mechanism which is used for automatically sucking the sample in the sample container and adding the sample into the biochemical cup. According to the automatic sample adding system for the reaction tube, corresponding solutions can be sequentially added into the reaction tube, all actions are fully automatic, the reaction tube does not need to be manually transferred after sample adding is completed, and the sample adding efficiency is high.

The invention discloses a caster device and a rotary table comprising the caster devices. The caster device comprises a mounting rack, an adjusting screw rod, a caster mounted at the bottom of the adjusting screw rod and an adjusting assembly mounted on the adjusting screw rod and used for adjusting the height of the caster; a first fixing piece is arranged on the mounting frame and provided witha through hole allowing the adjusting screw rod to penetrate; and the adjusting screw rod is fixed to the first fixing piece through the adjusting assembly. The caster device and the rotary table aresimple in structure and convenient to use, the heights of the caster device and the rotary table can be well adjusted, the mobility of the rotary table is also achieved, and thus the quite high practicability is achieved.

The invention discloses a square clamping piece positioning bracket. The square clamping piece positioning bracket comprises a first installation part fixedly installed on an air cylinder body and a second installation part used for installing a clamping piece. The first installation part and the second installation part are connected. The first installation part is provided with a cylinder connected with an air cylinder. The second installation part is provided with a clamping piece installation part connected with the clamping piece. The air cylinder and the clamping piece are connected together more tightly through the cylinder and the clamping piece installation part, and the working efficiency is improved.

The invention relates to the technical field of mechanical machining, in particular to a clamping mechanism for turnover plate boring machine machining. The clamping mechanism can solve the problems that when a special-shaped part of an irregular shape is machined, the special-shaped part is difficult to clamp firmly, and thus the machining precision is influenced. The clamping mechanism is technically characterized by comprising a working table. A V-shaped plate with an opening facing the top face of the working table is movably arranged above the working table, and a supporting assembly usedfor supporting the V-shaped plate. By the adoption of the technical scheme, when a workpiece is machined, the workpiece can be clamped in a clamping cavity between the V-shaped plate and the end faceof the working table, and then a boring hole or other equipment is utilized for machining the workpiece. Compared with a common clamp, the V-shaped plate can clamp the workpiece into the clamping cavity firmly, especially the special-shaped part of the irregular shape can be clamped firmly, and the situation that the workpiece rotates in the clamping cavity, and the machining precision of the workpiece is influenced can be well avoided.

The invention relates to the technical field of charging equipment, in particular to a lifting device and a charging structure, and the lifting device comprises a support, at least one first driving rod, and at least one second driving rod; a first rotating shaft and a second rotating shaft which are parallel to each other are arranged on the support, and a sliding block connecting rod assembly connected with the first rotating shaft and the second rotating shaft is further arranged on the support; the first end of the first driving rod is configured to be a stress end, the first driving rod is stressed to deflect around the stress end, the second end of the first driving rod is fixed to the first rotating shaft, and the first driving rod drives the sliding block connecting rod assembly to move in the horizontal direction; and the first end of the second driving rod is fixed to the second rotating shaft, the second end of the second driving rod is arranged to be a free end, and the first driving rod drives the second driving rod to move through the sliding block connecting rod assembly. The technical problem that in the prior art, when a charging bow electrode is matched with a vehicle-mounted electrode, there is deviation exists in the vertical or horizontal direction.

The application discloses a sewing machine oil supply unit comprising a pump body, a rotating shaft, joints, a first fixed plate and a second fixed plate. The first fixed plate and the second fixed plate are both detachably arranged at two ends of the pump body, the rotating shaft is rotationally arranged in a containing cavity defined by the pump body, the first fixed plate and the second fixed plate, the rotating shaft penetrates through the first fixed plate, connection holes are formed in the pump body, and the joints are mounted in the connection holes; column feet, column covers and column springs are further included, circular plug holes are formed in the pump body, the column feet are circular column feet, the column covers are circular column covers, the column covers together arein cooperation in a threaded connection form, hexagonal screw holes are formed in the column covers, the column feet are movably arranged in the plug holes, one end of each column spring abuts against the column feet and the other end of the column spring abuts against the column covers, and the column springs are in a compressed state.

The invention relates to the field of metal smelting, in particular to a thermal insulation material disassembling machine capable of adapting to a bent shape. The technical problem is that a heat preservation pipe needs to be continuously rotated to clean the polyurethane foam plastic on a positioning block manually in all directions, and meanwhile, when a bent pipe part is cleaned, adjustment needs to be carried out according to the bending degree of the heat preservation pipe. According to the technical scheme, the thermal insulation material disassembling machine capable of adapting to the bent shape comprises a bottom frame, a conveying system and the like; the upper portion of the bottom frame is provided with two transportation systems which are symmetrical left and right and used for transporting the thermal insulation pipes. According to the heat preservation pipe surface cleaning device, the process of disassembling polyurethane polystyrene foam and a polyethylene protection layer on the surface of a heat preservation pipe is achieved, meanwhile, the bent pipe part of the heat preservation pipe is cleaned, the surface of the heat preservation pipe is completely cleaned before smelting, and the situation that some impurities are embedded in smelted steel and cannot be cleaned during smelting, and the quality of the smelted steel is affected is avoided.

The invention discloses a punching device with a positioning and guiding structure. The punching device comprises a supporting plate, a driving assembly arranged on the supporting plate and a punchingsleeve head which can be driven by the driving assembly to vertically move back and forth. Sliding grooves are formed in the opposite two sides of the punching sleeve head. Positioning sliding bocksmatched with the sliding grooves are arranged at the positions, corresponding to the opposite two sides of the punching sleeve head, of the supporting plate. By means of the punching device with the positioning and guiding structure, due to the fact that the sliding grooves are formed in the opposite two side faces, in the vertical direction, of the punching sleeve head, and meanwhile the two positioning sliding blocks matched with the sliding grooves are arranged on the supporting plate, the two opposite side faces of the punching sleeve head can be positioned through the positioning slidingblocks, side face supporting force is evenly distributed, it is ensured that deflection cannot happen during vertical motion, and the machining precision and the device stability are effectively improved.

The invention discloses intelligent monitoring equipment having a good stabilization effect. The intelligent monitoring equipment comprises a camera body; a lens ring is fixedly connected to the frontof the camera body; a protection ring is fixedly connected outside the lens ring; both the left and right sides of the camera body are each fixedly connected to a heat dissipation window; furthermore, a heat dissipation hole is formed in the surface of the heat dissipation window; a fixing block is fixedly connected to the bottom of the camera body; two sides of the fixing block are each fixedlyconnected to a connection arm; furthermore, the other ends of the two connection arms are fixedly connected to the left and right sides of the fixing block separately through a fixing claw; a rubber cushion is arranged at the inner side of the fixing claw; and a shock absorption spring is fixedly connected in the fixing claw. According to the intelligent monitoring equipment having the good stabilization effect disclosed by the invention, due to arrangement of the connection arm and the fixing claw, the two connection arms can be used for fixing the camera body; the fixing claw can be used forfixing the camera body well; and thus, the intelligent monitoring equipment cannot deflect while rotating.