31results about How to "The connection position is accurate" patented technology

The invention discloses a 300mm vertical oxidation furnace heat preservation barrel, which is characterized by being provided with a bottom quartz plate (1), intermediate quartz sheets (2), supporting rods (3) and a top quartz plate (4); a plurality of supporting rods are vertically and fixedly installed between the bottom quartz plate and the top quartz plates; a plurality of quartz sheets are transversely, uniformly and fixedly installed on the supporting rods at intervals; and the upper surface of the top quartz plate is provided with a fixing groove (4.1) which is used for fixing a quartz boat. The bottom quartz plate and the top quartz plate are in the shape of circular ring; the intermediate quartz sheets are in the shape of circular sheet, and the structure of the intermediate quartz sheets is an OP material layer (2.1) in the middle and a high-purity transparent quartz plate material coating layer (2.2) on the upper layer, lower layer and the periphery. The invention is applicable to the support and heat preservation of the quartz boat of a vertical oxidation furnace, has complete structure, good heat preservation effect and high cleanness, and can ensure the processing quality.

The invention discloses a mortise and tenon building structure system comprising two or more transverse supporting units and two or more longitudinal supporting units. The transverse supporting units and the longitudinal supporting units are mutually connected in a mortise and tenon mode. Each transverse supporting unit comprises a transverse rod and two transverse connectors fixed to the two ends of the transverse rod. Each longitudinal supporting unit comprises a vertical rod, a connecting sleeve fixed to the bottom end of the vertical rod and more than two columnar longitudinal connectors connected to the vertical rod in a sleeving mode. By means of the mortise and tenon connection mode, the flexibility and construction efficiency of construction of the whole structure system are improved, the structure stability is good, the strength is high, force is scientific and reasonable, and the mortise and tenon building structure system can be used for an internal supporting structure of a house or a temporary building, can further replace a scaffold to be used as an external support, and can be directly used for constructing a bridge.

This invention discloses a kind of insite packing together building mold net, it comprises two steel plate net that face to face, several conjunctions piece link two steel plates net together in a certain partition distance, at the seamy side of the steel plate net, establish the strengthen rib; The connects piece is pole piece in same length, its both side department that has the insert part, with the seamy side slot of the strengthen rib to match each other, the connect part of the piece insert with the slot of strengthen rib to connect together. And the outside side of steel plate net, can substitute for the heat preservation layer, also link the piece to the strengthen rib of outside side steel plate net, the heat preservation layer put together. This building mold net can convenient the spot usage, thereby, enhanced strength of the mold net, be suitable for the demand that semi-high and high floor architecture.

The invention discloses a plastic buckle welding tool for the front decorative plate of the luggage compartment partition of an automobile, which comprises a frame on which a working cavity is arranged; a welding unit and a working table for placing the front decorative plate are arranged in the working cavity; There is at least one unit and the welding unit is located above the worktable; the welding unit includes a clamp for clamping PP plastic parts, a main ironing head, and pushes the clamp to the front decorative plate on the worktable and PP plastic The first pushing device at the joint of the parts and the second pushing device that pushes the main ironing head under the clamp; the clamp is connected to the movable end of the first pushing device; the main ironing head is connected to the movable end of the second pushing device . The front trim board and the PP plastic part are welded by the welding tool, so that the connection between the front trim board and the PP plastic part is more reliable and the connection life of the two is longer.

The invention discloses an inclined tube thickening box ore drawing speed increasing device which comprises a box body, a feeding groove, a discharging mechanism and an ore drawing speed increasing mechanism, fixing supporting legs are fixed to the outer side of the box body, an overflow groove is formed in one side of the upper end of the box body, and an overflow opening is formed in one side ofthe overflow groove; and the feeding groove is formed in the other side of the upper end of the box body, a feeding opening is formed in one side of the feeding groove, and an inclined pipe is connected to the bottom of the overflow groove. Through a leather water pipe and an iron pipe which communicate with each other, the liquidity of water is guaranteed, meanwhile, through the leather water pipe and a movable connecting sleeve which are concentrically distributed, the accuracy of the connecting position between the leather water pipe and the iron pipe can be guaranteed, and therefore the connecting tightness is guaranteed; meanwhile, connecting and dismounting between the leather water pipe and the iron pipe is facilitated through the movable connecting sleeve; and through cooperationof the leather water pipe with the iron pipe, during work, the leather water pipe freely swings in the inclined pipe, the effects of loosening, stirring and washing minerals are achieved, ore drawingis smooth, labor intensity is lowered, and metal loss is reduced.

The invention belongs to the technical field of new energy field station source network load storage, and particularly relates to a source network load storage integrated intelligent switching device. The system comprises a source network load storage base, the source network load storage base is provided with a wind generating set and a photovoltaic transfer machine table, and the photovoltaic transfer machine table is provided with a multidirectional photovoltaic power generation part capable of rotating in the circumferential direction. In the using process, electric energy generated by the wind generating set can be stored in the fixed wind power energy storage part, electric energy generated by the multi-azimuth photovoltaic power generation part can be stored in the movable photovoltaic power storage part, and when photovoltaic power generation cannot be carried out at night, the movable photovoltaic power storage part abuts against the fixed wind power energy storage part, so that the fixed wind power energy storage part and the movable photovoltaic power generation part are separated from each other. According to the invention, a series integrated energy storage structure is formed, all electric energy generated by the wind generating set is stored in the series integrated energy storage structure, intelligent energy storage switching can be carried out in the daytime and at night, the energy storage effect is good, the energy storage upper limit at night is expanded, and the effective utilization rate of energy is high.

The invention discloses a plastic fastener pressing device, and relates to the field of automation equipment. The plastic fastener pressing device comprises a frame, a first air cylinder, a first sliding mechanism, a second air cylinder and a second sliding mechanism, wherein the first air cylinder is connected with the frame; the first air cylinder is connected with the first sliding mechanism, the first sliding mechanism comprises two middle pressing blocks, the middle pressing blocks are arranged on the two sides of a plastic buckle containing groove respectively, and the first air cylinder can drive the middle pressing blocks to move in the direction close to the plastic buckle containing groove; the second air cylinder is connected with the frame; and the second air cylinder is connected with the second sliding mechanism, the second sliding mechanism comprises two tail pressing blocks, the tail pressing blocks are arranged on the two sides of the opening end of the plastic buckle containing groove, and the second air cylinder can drive the tail pressing blocks to move in the direction close to the plastic buckle containing groove. The first air cylinder and the second air cylinder are adopted to push the pressing blocks to press and connect a plastic fastener and a semi-finished product shell, it is guaranteed that the connection position between the plastic fastener and the semi-finished product shell is correct, the plastic fastener and the semi-finished product are prevented from being crushed, and the product percent of pass is increased.

The invention discloses a flange assembly comprising an upper flange body, a lower flange body, a first boss, a second boss, a first sealing gasket, a second sealing gasket, a waterproof gasket, a third sealing gasket, a first sealing ring, a flange connecting plate and connecting nuts. An annular groove at the lower end of the upper flange body is connected to the second boss at the upper end of the lower flange body through threads, and the second boss of the lower flange body is internally provided with the third sealing gasket and the first sealing ring. According to the flange assembly disclosed by the invention, through threaded connection, the accuracy of the connection position between the upper flange body and the lower flange body is ensured, and the relative position of flanges is prevented from offsetting during installation, so that the installation efficiency and accuracy of the flanges are improved; the connection of the flanges is more secure through the connecting nuts and the flange connecting plate; through the structural design that the third sealing gasket and the first sealing ring are higher than the connection, the airtightness of the connection between the upper flange body and the lower flange body is ensured; and faults, such as errors and leakage, are avoided, and the production safety is ensured.

The invention relates to the technical field of plate splicing. The knotting connecting machine comprises a workbench, a pressing block and a driving mechanism and further comprises a lifting table, the driving mechanism drives the lifting table to move vertically, and the pressing block is fixedly connected with the bottom of the lifting table; the width of the pressing block is gradually reduced from top to bottom, sliding grooves are formed in the two sides of the pressing block, sliding blocks attached to the side wall of the pressing block are slidably connected into the sliding grooves, and first springs are arranged between the sliding blocks and the sliding grooves; an inclined block is arranged on the sliding block in the direction of the lifting table, and the inclined block is in sliding connection with the pressing block and the lifting table; the bottoms of the sliding blocks are located below the bottom of the pressing block, and the bottoms of the two sliding blocks and the bottom of the pressing block form a limiting groove for limiting the steel belt. According to the scheme, the problem that when a steel belt is extruded by an existing pressing block, the steel belt deviates is mainly solved.

The invention discloses a disposable sleeve compensator which comprises an outer sleeve connecting pipe, an outer sleeve barrel, an inner sleeve, a reinforcing plate, reinforcing box iron and annularseal rings. One end of the outer sleeve barrel is connected to the outer side of the end part of the outer sleeve connecting pipe in a sleeving manner while the other end of the outer sleeve barrel isconnected to the outer side of the end part of the inner sleeve in a sleeving manner; the reinforcing plate is correspondingly fixed out of a connecting position of the outer sleeve barrel and the inner sleeve; the reinforcing box iron is correspondingly fixed out of a connecting position of the outer sleeve barrel and the outer sleeve connecting pipe; two annular sealing grooves are formed in the outer side of the connecting end of the inner sleeve and the outer sleeve barrel; and the two seal rings are separately arranged in the sealing grooves. By arranging the O-shaped seal ring and the YX type seal ring, a double sealing effect is exerted. The reinforcing plate and the reinforcing box iron are mounted to increase the strength of a welded junction, so that the strength of the disposable sleeve compensator is higher and the sealing effect is better.

The invention discloses an automotive anti-overload detecting device which comprises a reinforcing strip board, a connecting positioning groove, an inner shock-absorbing assembly, an overload detecting power source, a detecting assembly and insulating wrapping boards. The connecting positioning groove is formed above the reinforcing strip board; the overload detecting power source is installed atthe outer side of the inner shock-absorbing assembly; and the insulating wrapping boards are installed at the two sides of the detecting assembly. According to the invention, the automotive anti-overload detecting device based on the scientific and reasonable structure is used safely and conveniently. With the reinforcing strip board, the automotive longitudinal arm has the high mechanical strength and good pressure-resistant performance; with the connecting positioning groove, the connection position between the automotive longitudinal arm and the automotive connection assembly becomes accurate; with the inner shock-absorbing assembly, the influence on the detection result of the anti-overload device by the vibration during the automobile driving process is eliminated; because of the overload detecting power source, overload can be detected before starting up of the automobile; because of the detecting assembly, the detection method of the traditional sensor is replaced; and with theinsulating wrapping boards, the interference on the overload detection result by external charged device is eliminated.

The invention provides a wireless charging and communication coil fixed connection assembly of an active implantable medical device, which comprises a frame, wherein the frame comprises a first accommodating groove, a second accommodating groove and a connecting hole; the connecting hole penetrates the frame and is used for penetration of a rigid connecting piece so that the rigid connecting pieceis electrically connected with a hard connecting plate and a coil; the connecting hole is connected with the rigid connecting piece through a positioning structure. The coil fixed connection assemblyis provided with the frame, a hard circuit board and the coil are respectively fixed on the front side and the back side of the frame, and the frame is provided with the connecting hole for penetration of the rigid connecting piece and fixing the rigid connecting piece, so that two ends of the rigid connecting piece can be electrically connected with the hard circuit board and the coil conveniently, thereby avoiding the defect that the hard circuit board and the coil are electrically connected through a flexible connecting piece in the prior art, therefore, the connected hard circuit board and the coil are convenient to disassemble and assemble for a plurality of times, and damage of the whole device can not be caused easily.

The invention discloses a stage flight case. A case body and a case cover are included. A case side frame is arranged on the opening edge of the case body. A cover side frame is arranged on the opening edge of the case cover and connected with the case side frame. The cross section of the case side frame comprises a case side connecting part and a first butt joint part, and a first flange inwardsextending is arranged at the middle portion of the case side connecting part. A clamp groove is formed between the first flange and the first butt joint part. The cross section of the cover side framecomprises a cover side connecting part and a second butt joint part. A support is clamped in the clamp groove and comprises a support body and a bracket inwards bending and extending from one end ofthe support body. By utilization of the structure, connection of the case side frame and the case body is reliable and firm, connection of the case side frame and the case cover is reliable and firm,the size of the integral stage flight case becomes small, the space utilization rate is reduced, the transportation cost is reduced, and support connection is reliable and convenient.