1205results about How to "No displacement" patented technology

The present invention relates to a controllably-released bioceramic thrombus filter and its preparation method. Said thrombus filter is made up by using laser engraved metal tube, its end portion is equipped with a combination portion matched with a conveying portion, its centre is equipped with an elastic wire and its surface is convered with a layer of bioceramic membrance. It can be temporarily placed into blood vessel of human body, also can be permanently placed in the blood vessel of human body. Said invention also provides the concrete working principle of said thrombus filter.

The invention discloses a punching device for a buffer support of a rear shock absorber of an automobile, which comprises an upper die plate, a lower die plate, a die plate motion guide device, a male die, an upper stripper plate, a female die and a lower stripper plate, and is characterized in that the male die is fixed on the lower surface of the upper die plate, the upper stripper plate is fixed on the lower surface of the upper die plate through a stripper bolt penetrating a stripper spring, the female die is fixed on the upper surface of the lower die plate, the lower surface of the upper striper plate is in contact with the female die, the lower stripper plate is fixed with a tray of a punch through a pull rod penetrating the lower die plate, a stripper push rod is further arranged between the lower stripper plate and the tray of the punch, the male die and the upper stripper plate can slide relatively, and the female die and the lower stripper plate can slide relatively. The punching device can well realize blanking and forming once in the device, save a large number of process steps, greatly save the production cost, improve the production efficiency and ensure the product quality; furthermore, the punching device has low manufacturing cost, economy and durability.

This invention relates to one ring linkage band to prevent poking of safe tyre, wherein, the four corners sides have stretched out axis socket with axis holes inside socket; adjacent unit linkage block socket passes the axis hole connection through axis hole along the ring circle direction and tyre level distributed four corners unit linkage block. This invention has anti-poking hole and exploration property with good flexibility and tyre stable position to ensure the normal using life and safety.

The invention discloses a sand-line iron mould casting process for grey cast iron flywheel housings of diesel engines. In the invention, upper and lower sand-line iron mould processes are used, so that produced grey cast iron flywheel housing blanks have favorable geometric size precision which can be up to CT8 grade, favorable surface roughness which can be up to 12.5 microns and favorable mechanical properties, the blank processing has small allowance which can be controlled in 3mm, small flashing distortion which can be controlled in 0.5mm and small cleaning workload, so that the labor environment is improved, the environmental protection is improved, the yield is high and can be up to 95%, and the national policies of energy conservation, environmental protection and sustainable development are met.

The invention provides an integral plotter, and relates to a plotter. The integral plotter comprises two bases (1) and a first polished rod shaft (2), wherein the first polished rod shaft (2) is used for connecting the two bases (1); a slide block (3) is arranged on the first polished rod shaft (2); one end of a second polished rod shaft (4) is hinged to the first polished rod shaft (2) through the slide block (3); a slide groove (5) is formed in the second polished rod shaft (4); an M-shaped rod (6) is arranged under the slide groove (5), and is hinged to the slide groove (5) through a slide block (8); an N-shaped rod (7) is arranged at the parallel surface under the M-shaped rod (6), and is hinged to the M-shaped rod (6) through a shaft sleeve (9); a chalk support frame (10) is arranged at one end of the N-shaped rod (7). The integral plotter has the advantages that by integrating multiple plotting tools, the plotting of lines, angles, circles, circular arcs and ellipses is realized; the carrying is convenient, the operation is simple, the fixing is convenient, and the accuracy of plotted drawings is higher.

The invention discloses a multi-station plug-in mounting production line and an automatic mouse PCB (printed circuit board) production line. The multi-station plug-in mounting production line comprises a PCB loading device, a plurality of sets of sequentially butted plug-in mounting equipment, a reflow welding machine arranged at the outer end of the last plug-in mounting equipment, an unloading device arranged at the material discharging end of the reflow welding machine, an upper cover conveying device which is arranged from the material discharging end of the reflow welding machine to the outer end of the last plug-in mounting equipment, and a bottom cover conveying device arranged from the material discharging end of the reflow welding machine to the PCB loading device, wherein the first plug-in mounting equipment is butted with the PCB loading device. According to the multi-station plug-in mounting production line, a bottom cover is used as a lower part of a plug-in mounting jig; after a PCB is subjected to plug-in mounting at multiple stations, an upper cover is used as an upper part of the jig; the upper cover is fixedly connected with the bottom cover, so that an electronic element can be reliably fixed on the PCB, and the electronic element which is plugged into the PCB but is not completely fixed can be reliably welded in a process of the reflow welding machine; therefore the reliability and the stability of a PCB product can be improved.

The invention provides a kerbstone thickness-fixing multi-face fine polishing machine which comprises a machine frame, an electric motor, a triangular belt and a polishing head and further comprises at least two rotating joints, an adjusting disc and a fixator. The rotating joints can ensure that the machine frame can rotate, the adjusting disc can adjust the height of the polishing head, and the fixator can replace the polishing head and fix the polishing head. The invention further comprises a production line which can conduct fine polishing on the plurality of side faces of kerbstone at one time, and the production line comprises at least two kerbstone thickness-fixing multi-face fine polishing machines, a movable working table, a fixing block and a guide rail. The kerbstone thickness-fixing multi-face fine polishing machine and the production line which can conduct fine polishing on the side faces of the kerbstone at a time and can conduct machining on the faces of the kerbstone at a time, cost is saved, and economic efficiency is improved.

The invention relates to a split mounting type battery box module fixing frame. The split mounting type battery box module fixing frame comprises a longitudinal beam keel, multiple cross beam keels and multiple boundary beams, wherein the multiple cross beam keels are arranged at intervals in parallel, and the longitudinal beam keel is perpendicularly arranged in the middle of the multiple cross beam keels and clamped on the multiple cross beam keels; the ends of every two adjacent cross beam keels are connected through the boundary beams, first side plates are horizontally arranged on the two sides of the bottom of each cross beam keel respectively, second side plates are horizontally arranged on the two sides of the bottom of the longitudinal beam keel respectively, and a third side plate is horizontally arranged on the bottom of each boundary beam; limiting notches are formed in the first side plates corresponding to the second side plates and the third side plates, and the two ends of each second side plate and the two ends of each third side plate stretch into the corresponding limiting notches respectively and abut against the corresponding first side plates; the first side plates, the second side plates and the third side plates are all fixed to the bottom wall of an electric box, and fold fins used for being connected with the side wall of the electric box are arranged at the two ends of each cross beam keel respectively. The split mounting type battery box module fixing frame has the advantages that the whole module fixing frame is convenient to assemble and disassemble, high in structural strength and high in stability.

The invention discloses a labor-saving plug-pull connector, comprising a plug, a plug-pull mechanism and a socket, wherein a pin of the plug passes through two insulators, a clamping ring is fixed in the shell, a guiding pin is fixed on two insulators through a spring cushion and a nut, a sleeve is mounted in the middle of the plug, the sleeve and the insulators are fixed by gluing, a til cover at the tail of the plug is fixed on the shell by a screw, a screw sleeve is mounted in the tail cover, the screw sleeve and the tail cover are matched by the key and the groove, the screw sleeve is fixed in the tail cover by the clamping ring, the sleeve, the clamping ring and the screw sleeve form a hollow structure; steel balls of the plug-pull mechanism are arranged in a lining, a push rod and a pull bar are fixed by the engagement of screw thread, a spring and a positioning sleeve are mounted at the right end of the pull bar, a handwheel is arranged at the outer ring of the lining and fixed by the nut; a jack is fixed by two insulators of socket to form a base assembly , the base assembly is fixed in the shell by the clamping ring, a lock sleeve is mounted on the central axis of the socket, engaged and fixed with the screw thread of the tail of the lock sleeve by the nut, the labor-saving inserting, separation and locking function is realized.

The invention discloses a wood board loading and unloading lifting assembly which comprises a lifting mechanism (1), a jacking mechanism (7), a push mechanism (4) and a plurality of bearing and connecting mechanisms (2). The wood board loading and unloading lifting assembly has the advantages that working efficiency is high, energy consumption is reduced, manpower is saved, conveying precision is high, and a hot press can conduct hot pressing on the two faces simultaneously.

The invention discloses a shield machine duct piece hoisting device. A hoisting track of the shield machine duct piece hoisting device is divided into multiple sections, every two adjacent sections are staggered along the height direction and overlapped at the end parts along the hoisting direction, the widths of the overlapping parts are different, and a conveying chain pair of one section is located on the inner side of a conveying chain pair of the other section; and the conveying chain of each section of the hoisting track is a circular conveying chain and comprises chain wheels on both ends and chains sheathed outside the chain wheels, the chain wheels are connected with a motor, the driving rotation of the motor drives the chains to convey duct pieces circularly, and a trolley is fixedly installed on the chains. Compared with the one-section structure, the hoisting device can ensure that the shield machine can perform tunneling with larger gradient and smaller turning radius because larger dislocation quantity is allowed for the shield tail part and the matching part.

The invention discloses a ligature clamp which comprises a first clamp arm and a second clamp arm. Clamping projections are symmetrically arranged on the outer sides of the first clamp arm and the second clamp arm respectively, the reverse outer sides of the first clamp arm and the second clamp arm are of straight structures, the first clamp arm and the second clamp arm are of V-shaped structures in symmetrical shapes from the clamping projections on the respective sides to a connecting portion of the two clamp arms, a first cylindrical hollow portion is arranged in the first clamp arm, a second cylindrical hollow portion is arranged in the second clamp arm, and annular grooves are uniformly formed in the first hollow portion and the second hollow portion. The invention further provides a method for manufacturing the absorbable ligature clamp. By the aid of the clamp arms with the straight structures, the two clamp arms are of the basically symmetrical V-shaped structures, and an opening cannot shift in the closing process and is easily clamped and positioned. In addition, the absorbable ligature clamp can generate uniform fragments in the degrading process and is conveniently absorbed by human tissues.

The invention relates to a large steel structure heel embedded part positioning device and method. The positioning device comprises a positioning plate and connecting members, wherein the positioning plate is provided with a bolt hole, the bolt hole is matched with a pre-positioned heel embedded part bolt in structure and position, and one surface of the positioning plate is provided with at least four or more connecting members. The method comprises the steps of: firstly, binding a low layer of reinforcement bars in a large steel structure foundation; secondly, welding the connecting memberson the lower layer of reinforcement bars, determining the bottom end position of the heel embedded part bolt by using a transit and a leveling instrument, and then binding a middle layer and an upperlayer of reinforcement bars, regulating the upper end position of the bolt by using a plumb bob and the leveling instrument; and finally, fastening the heel embedded part bolt and a heel embedded part. Compared with the prior art, the invention has the beneficial effects of simple structure, convenience for installation and low cost, and ensures that a heel embedded part bolt rod does not inclineor displace in a process of poring concrete so that the heel embedded part is positioned more accurately and the engineering quality is improved.

The invention discloses a wind power blade preforming production line. An unreeling mechanism is arranged near the input end of a cutting mechanism; the output end of the cutting mechanism is arranged near the input end of a first conveying line; a second conveying line and the first conveying line are arranged adjacent and in parallel; the conveying directions of the second conveying line and the first conveying line are opposite; a grabbing and stacking mechanism is arranged near the output end of the cutting mechanism and the input end of the first conveying line; a sewing mechanism is arranged on the middle part of the first conveying line; the first conveying line, a metal detection mechanism and a stacking and discharging mechanism are arranged sequentially along the conveying direction of the first conveying line; a turnover box is conveyed on the first conveying line and the second conveying line; jacking and translation mechanisms are arranged at the bottoms of the input end and the output end of the first conveying line as well as at the bottoms of the input end and the output end of the second conveying line; and a jacking and cloth taking mechanism is arranged at the bottom of the output end of the first conveying line. According to the wind power blade preforming production line, automatic production of a wind power blade preforming piece is realized and the production efficiency is effectively improved.

The invention discloses a V-method mold for casting an electronic appliance mold casting blank, and relates to the technical field of aluminum alloy casting. The V-method mold comprises a V-method mold body, wherein the mold body consists of independent combined mold blocks; each combined mold block is subjected to three-dimensional forming and design according to mold drawing requirements; the combined mold blocks are adhered to both sides so as to form the mold body; a plurality of vent holes for vacuuming are formed in the combined mold blocks. The mold casting blank of an inner container of a refrigerator is produced by using a V-method casting process, not only is the energy saved, is the consumption reduced, and is the working intensity alleviated, but also the factory environment is improved, and the V-method is an economic, environment-friendly and green project.

An adjustable position fixing installation device of a soil pressure gauge is arranged on the periphery of the soil pressure gauge and characterized in that a hoop made of a rigid plate is arranged on the adjustable position fixing installation device, the thickness of the loop is equal to or smaller than that of the soil pressure gauge, the shape of the hoop corresponds to the shape of the periphery of the soil pressure gauge, and the size of the inside of the hoop is equal to or slightly greater than the dimension of the periphery of the soil pressure gauge. Two fixing reinforcing steel bars are fixed on the back surface of the hoop, hooks are arranged on ends of the two fixing reinforcing steel bars, and other ends of the fixing reinforcing steel bars incline to the direction of the back surface. By means of the adjustable position fixing installation device of the soil pressure gauge, interface type installation of the soil pressure gauge can be achieved conveniently and accurately, and the problem that the soil pressure gauge is easily covered with concrete when buried is solved, installation time is saved further, the 'survival rate' of the soil pressure gauge is increased, and installation cost is reduced. Furthermore, the adjustable position fixing installation device of the soil pressure gauge is an ideal device capable of overcoming the shortcoming in the prior art and has obvious economic benefit and social benefit.

An elastic acting force structure of a furniture upturning device comprises a fixing support, a swing rod and a spring assembly, wherein the swing rod is arranged on the fixing support in a swinging mode and interact with the spring assembly during swinging, so that the spring assembly generates elastic acting force; the spring assembly comprises a front connection part, a rear connection part, a guide shaft and a spring; the guide shaft is sleeved with the spring; the two ends of the spring elastically act on the front connection part and the rear connection part; the two ends of the guide shaft are connected with one end of the front connection part and one end of the rear connection part in a matched mode; the other end of the front connection part is connected with the swing rod in a matched mode; and the other end of the rear connection part is connected with the fixing support in a matched mode. By improvement of the structure, the elastic acting force structure of the furniture upturning device has the characteristics of being simple and reasonable in structure, safe, reliable, easy to produce and achieve, rapid to adjust, convenient to operate, long in service life, smooth in opening and closing process, capable of saving labor, low in collision, low in noise, wide in use range and the like, and practicability is high.

The invention provides a transverse sealing mechanism used on a pillow type packaging machine and the pillow type packaging machine, belongs to the technical field of packaging machines, and solves the problems that the existing packaging machine is low in packaging speed and inconvenient to dismantle and maintain. The transverse sealing mechanism comprises a bracket, a transverse sealing upper shaft, a transverse sealing lower shaft, two support plates and a drive mechanism, wherein each of the support plates comprises a floating plate and a fixed plate; an upper sealing wheel provided with upper sealing knife structures and a lower sealing wheel are fixedly arranged on each of the transverse sealing upper shaft and a transverse sealing lower shaft in a sleeving manner; the transverse sealing upper shaft and the transverse sealing lower shaft are connected with the drive mechanism through a transmission mechanism; and a hinge block structure and an adjusting block are arranged between the floating plate and the fixed plate of each of the support plates. The transverse sealing mechanism has the advantages of high convenience in dismantling and maintaining and high packaging speed.