36results about How to "Avoid offset misalignment" patented technology

The invention discloses a cylindrical coordinate measuring machine which is high in measuring precision. The cylindrical coordinate measuring machine comprises a rotation shaft system, a sliding car body, a measuring head unit and a counter weight device. The rotation shaft system is arranged on a base provided with a center positioning device, and the two sides of the rotation shaft system are provided with a measuring cross arm and a counter weight cross arm respectively. The sliding car body is movably arranged on the measuring cross arm and can move in the radial direction of the rotation shaft system through keeping of a first motion guiding mechanism. The measuring head unit is movably arranged on the sliding car body and can move in the direction parallel to the center axis of the rotation shaft system. The rotation shaft system comprises a main shaft and a main shaft sleeve which is connected with the main shaft in a rotating and matched mode. The measuring cross arm and the counter weight cross arm are arranged on the two sides of the main shaft sleeve respectively, and the base is arranged at the lower end of the main shaft. In addition, the guiding track of the first motion guiding mechanism on the measuring cross arm inclines upwards in the radial direction away from the rotation shaft system, and therefore variation of the deformation of the measuring cross arm can be compensated when the sliding car body moves.

The invention discloses a sewing process for shoe uppers and shoe soles of safety shoes. The sewing process for shoe uppers and shoe soles of safety shoes comprises the following steps: P1, carrying out shearing forming; P2, carrying out lining fixing; P3, carrying out edge trimming; P4, carrying out first-time bonding; P5, carrying out punching; P6, carrying out thread sewing, namely, selecting the thread with the suitable model number, and enabling the thread to sequentially pass through the punched holes for realizing the thread sewing operation; P7, carrying out second-time bonding; and P8, carrying out drying. For the sewing process for the shoe uppers and the shoe soles of the safety shoes provided by the invention, due to the placement of the linings adhered inside the shoe uppers,the comfort can be improved, punching is carried out after position fixing through the first-time bonding, so that the stability of the position can be guaranteed, the deviation dislocation can be avoided, meanwhile, filling sizing is carried out through coating of self-adhesive glue, so that the sewing stability can be guaranteed, the generation of gaps is avoided, then the stability of sewing ofthe safety shoes is greatly improved, the existing process is improved, and the use and popularization are facilitated.

The invention discloses an intestinal anastomosis machine for infants. The intestinal anastomosis machine comprises an operating device and an auxiliary device, wherein the operating device comprisesa grasping handle, a wire passing pipe and a motion head; a hydraulic cylinder is mounted at the lower part of the inner side of the grasping handle; keys are mounted at the upper part of the front side of the grasping handle; an electricity connector is mounted at the bottom end of the grasping handle; the wire passing pipe is fixedly mounted at the top end of the grasping handle; a threaded seatis fixedly mounted at the top end of the wire passing pipe; the motion head is rotatably connected to the upper part of the threaded seat; and a pull rope is fixedly mounted at the top end of the hydraulic cylinder. The intestinal anastomosis machine disclosed by the invention is reasonable in structural design and ideal in matching effects; during operation, the situation that the fixation of the end surface is not firm, so that deflection and malposition are generated can be avoided; when the intestinal anastomosis machine is applied to a tiny intestine, the sewing operation is convenient to perform through arranged auxiliary equipment, and the surgery effect is better; compared with a rotation closing manner, the intestinal anastomosis machine disclosed by the invention is stable in clamping, and the situation that an intestine body slides from the open end can be avoided; and the technique of the intestinal anastomosis machine is subsidized by the 2017 National Natural Science Foundation of China (81770512) and 2018 "Sanming Project "(SZSM201812055) of Shenzhen city National Health and Family planning Commission.

The invention discloses a cylindrical coordinate measuring machine which is high in measuring precision. The cylindrical coordinate measuring machine comprises a rotation shaft system, a sliding car body, a measuring head unit and a counter weight device. The rotation shaft system is arranged on a base provided with a center positioning device, and the two sides of the rotation shaft system are provided with a measuring cross arm and a counter weight cross arm respectively. The sliding car body is movably arranged on the measuring cross arm and can move in the radial direction of the rotation shaft system through keeping of a first motion guiding mechanism. The measuring head unit is movably arranged on the sliding car body and can move in the direction parallel to the center axis of the rotation shaft system. The rotation shaft system comprises a main shaft and a main shaft sleeve which is connected with the main shaft in a rotating and matched mode. The measuring cross arm and the counter weight cross arm are arranged on the two sides of the main shaft sleeve respectively, and the base is arranged at the lower end of the main shaft. In addition, the guiding track of the first motion guiding mechanism on the measuring cross arm inclines upwards in the radial direction away from the rotation shaft system, and therefore variation of the deformation of the measuring cross arm can be compensated when the sliding car body moves.

The invention relates to the technical field of pulling rivets, in particular to an absorbable pulling rivet. The absorbable pulling rivet comprises a rivet and a riveting tube; the riveting tube is provided with a hollow passage convenient for the rivet to pass through; the inner side wall of the riveting tube is provided with an annular protrusion; a plurality of expansion slots convenient for the riveting tube to expand are formed in the side wall of the riveting tube; the rivet comprises a rivet body and an expansion body; the diameter of the rivet body is equal to that of the hollow passage; the maximum diameter of the expansion body is greater than the diameter of the rivet body; an annular groove matched with the annular protrusion in shape is formed in the joint of the rivet body and the expansion body; the rivet body of the rivet passes through the riveting tube and makes the annular protrusion clamped into the annular groove; and the rivet body is exposed outside the rivetingtube. In a process that the rivet body is pulled by a pulling riveter, the rivet body clings to the inner wall of the riveting tube; guide action is exerted on the rivet body by the inner wall of theriveting tube, so that a pull on the rivet body is same as a sliding direction of the rivet body, and the rivet body is prevented from skewing and deflecting.

The invention discloses a self-locking structure used for a television bracket and belongs to the field of television brackets. The self-locking structure used for the television bracket comprises a wall. A fixing base is fixedly mounted at the upper end of the outer surface of the wall through expansion bolts. The rear side of the outer surface of the fixing base is fixedly connected with a sideplate. A mounting circular hole is formed in the rear end of the interior of the side plate. A connecting plate is rotationally mounted on the inner side surface of the mounting circular hole througha supporting shaft. The rear side surface of the connecting plate is fixedly connected with a television. A spring groove is formed in the rear side surface of the fixing base. A puller spring is fixedly mounted on the inner side surface of the spring groove. An arc-shaped locking base is fixedly mounted on the rear side surface of the puller spring. The inner side surface of the arc-shaped locking base is connected to the front end of the outer surface of the connecting plate through a locking friction plate in a pressed mode. Thus, the using convenience and stability can be greatly improved,and the safety performance and high efficiency are guaranteed.

The invention relates to a cable core shaping device, and discloses a shaping device which can ensure the arrangement compactness while arranging cable cores orderly and can prevent the interior of the cable from deviating and displacing. The device is characterized in that the limiting block is a circular block; a fixing slot is formed in the limiting block in the radial direction; a protective pad is arranged on a centering column in a sleeving manner; a fixing screw cap is screwed with the centering column; the fixing device is composed of an anti-skid protruding pad, a vortex plate, angleinserting grooves, a middle solid plate, a penetrating hole, an inserting block and a threading groove; one end of the vortex plate is connected with the middle solid plate; the other end of the vortex plate extends in a vortex mode in the direction away from the middle solid plate to form the threading groove; the anti-skid protruding pad is arranged at the other end of the vortex plate; the penetrating hole corresponding to the centering column is formed in the middle solid plate; the four angle inserting grooves are formed in one side of the middle solid plate in the circumferential direction around the center of the penetrating hole, and the included angle between every two adjacent angle inserting grooves is 30 degrees; and the inserting block corresponding to the fixing inserting groove is arranged on the other side of the middle solid plate.

The invention discloses a metal grinding disc for stone grinding and polishing. The metal grinding disc comprises a grinding disc base and a tool bit, a mounting hole and a first screw hole are formedin the center of the grinding disc base, a second screw hole is formed in the tool bit, and the tool bit is fixedly mounted at the front end of the grinding disc base through a locking screw which issimultaneously screwed in the first screw hole and the second screw hole. The structure is simple and reliable, machining and assembling are convenient, the tool bit can be conveniently and rapidly disassembled and replaced, grinding and polishing quality can be effectively guaranteed, and the safety of workers can be guaranteed. The invention further discloses a manufacturing process. The manufacturing process comprises the following steps that firstly, a metal blank is machined into the grinding disc base through a machining method, and the first screw hole and the mounting hole are machined; secondly, the tool bit is manufactured, and the second screw hole is machined in the tool bit; and thirdly, the tool bit is pressed to the preset position of the grinding disc base and installed through the locking screw. By means of the manufacturing process, the emission of pollutants can be effectively reduced, and production is convenient.

The invention discloses an air compression bipolar pump valve plate assembling device, and belongs to assembling tools. The assembling device comprises an air inlet valve plate assembling device and an exhaust valve plate assembling device. The air inlet valve plate assembling device is composed of a rotating air cylinder (13), a base (9), a support (1), an air inlet valve plate positioning seat (12), a pressing air cylinder (2) and a first pressing block (5). A first positioning pin (12-3) and a two-stage positioning groove (12-2) are arranged on the air inlet valve plate positioning seat (12); the exhaust valve plate assembling device is composed of a rotating air cylinder (13), a base (9), a support (1), an exhaust valve plate positioning seat (8), a pressing air cylinder (2) and a second pressing block (11). And a second positioning pin (8-1) and a five-stage positioning groove (8-2) are arranged on the exhaust valve plate positioning seat (8). The device is high in assembly efficiency and good in positioning precision; the tool is a special tool for assembling the valve plate of the air compression bipolar pump.

The invention discloses an abrasion-proofing, puncturing-preventing and safe retreaded tire. The abrasion-proofing, puncturing-preventing and safe retreaded tire comprises a used tire body, and a retreaded tire tread which is adhered to the outer side of the used tire body, wherein lengthways-arranged striped grooves in which buffering layers are arranged are formed in a tread of the used tire body; pattern blocks, and antiskid grooves which are formed by pattern ditches are arranged on and formed in the outer circumferential surface of the retreaded tire tread; an abrasion-proofing layer is arranged on the surface of each pattern block; clamping connecting strips and a puncturing-resisting lining layer are arranged at the inner side of the retreaded tire tread; the clamping strips are in match with the striped grooves by size; soft fitting edges are arranged at the left side and the right side of the retreaded tire tread; a cord fabric layer and the puncturing-resisting lining layer are arranged at the inner side of each soft fitting edge; the cord fabric layers are arranged at the lower sides of the puncturing-resisting lining layers. According to the abrasion-proofing, puncturing-preventing and safe retreaded tire, the abrasion-proofing layers are arranged on the outer side of the retreaded tire tread, so that the abrasion-proofing performance is high; the puncturing-resisting lining layers are arranged at the inner side, the left side and the right side of the retreaded tire tread, so that the puncture preventing performance of the tire can be effectively ensured; and the cord fabric layers at the inner sides of the soft fitting edges are capable of improving the toughness of the soft edges, and thus the use safety of the retreaded tire can be ensured.

The invention discloses a high-strength concrete-filled steel tube pile, which specifically relates to the technical field of concrete-filled steel tubes. A first anode ring is fixedly connected in the fixing ring, a second anode ring is fixedly connected in the second fixing ring, both the first anode ring and the second anode ring are attached to the steel pipe, and the inner cavity of the steel pipe is The sides are fixedly connected with a card seat, and the bottom of the inner cavity of the card seat is fixedly connected with a positioning column. By arranging the pipe body, the first fixing ring and the second fixing ring, the present invention exhibits good seismic performance, and the first anode ring and the second anode ring are used as protective electrodes to delay the corrosion rate of the whole steel pipe, which is different from the prior art. Compared with the overall extension of the corrosion resistance and seismic resistance of the concrete filled steel tube of the building foundation, the overall strength of the steel tube is improved, and the safety performance of the building is greatly improved.

The invention provides a light source module of a flexible substrate. The light source module comprises a light-emitting component, a flexible substrate and a cooling component, wherein the flexible substrate is used for mounting the light-emitting component, a trough used for placing the flexible substrate is formed on the cooling component, and the flexible substrate is fixed on the cooling component through a fastener; the trough is used for limiting and clamping and fixing the flexible substrate, and then fixing the flexible substrate on the cooling component through the fastener, so that the light source module of the flexible substrate is formed; and the mounted flexible substrate and the cooling component are likely to be dismounted, so that the light source module is convenient for daily test and maintenance. The invention further provides a method for manufacturing the light source module of the flexible substrate; and the flexible substrate and the cooling component are likely to be dismounted in the light source module of the flexible substrate, so that the light source module of the flexible substrate is convenient for daily test and maintenance.

The invention discloses a tin planting device for the production of lighting lamp strip components, which belongs to the field of lamp component production. The tin planting hole can be made It moves synchronously with the wiring points on the main body of the light strip. With the help of the limitation of the tin planting hole, the solder paste can be stably and accurately covered on the wiring points on the outer surface of the main body of the light strip, which is conducive to uninterrupted continuous tin planting operation. By setting The residual material scraping component scrapes off the excess solder paste on the tin-planting ring belt. At the same time, the solder paste inside the tin-planting hole is blown and melted by a heating component, so that the solder paste converges into a spherical tin inside the tin-planting hole. During the subsequent movement, it gradually cools down and is closely connected with the wiring points on the main body of the light strip. Through the continuous rotation of the tin planting ring, the tin planting efficiency of the device for the components of the light strip is effectively improved.

The present invention proposes a soft substrate light source module, including: a light-emitting element, a soft substrate for installing the light-emitting element, and a heat dissipation member formed with a slot for placing the soft substrate, and the soft substrate is fixed on the heat dissipation device by a fastener. On the component, it first uses the card slot to limit and clamp the soft substrate, and then fix the soft substrate on the heat dissipation component through fasteners, thereby forming a soft substrate light source module; the installed soft substrate It is easy to disassemble with heat dissipation components, which is convenient for daily testing and maintenance; the present invention also provides a method for manufacturing the soft substrate light source module, and the soft substrate and heat dissipation components in the soft substrate light source module produced by it are easy to disassemble and assemble, which is convenient for daily use. testing and maintenance.

The invention discloses a road surface cutting machine for road construction. The cutting machine comprises a guiding plate, connecting holes are formed in the two ends in the guiding plate, and a fixing bolts is slidably connected to the surfaces on the inner sides of the connecting holes; a locating head is arranged on the lower surface of the fixing bolt, a compressing nut is in threaded connection to the upper end of the outer surface of the fixing bolt, and a connecting groove is formed in the surface of the front end of the guiding plate; a locating block is arranged on the bottom surface in the connecting groove, a connecting plate is slidably connected to the outer surface of the locating block through a locating groove, the outer surface of the connecting plate is slidably connected to the surface on the inner side of the connecting groove, and the surfaces on the two sides of the connecting plate are fixedly installed on the surface on the inner side of the connecting groovethrough connecting screws. According to the road surface cutting machine for road construction, the guiding plate structure with a guiding groove is combined with the guiding block to make contact with a rack, therefore the convenience and stability of the using are greatly improved, and the safe and efficient maintenance of highways are ensured.