476results about How to "The connection structure is stable" patented technology

A contact terminal includes: a contact pin; and a plate spring configured to support the contact pin, wherein a portion of the plate spring is connected to a circuit board, wherein the contact pin can be connected to a counterpart while being supported by the plate spring, thus ensuring a stable connection structure.

The invention relates to an ultra-deep foundation pit supporting method which comprises a single-row triaxial deep-mixing pile water-stop curtain, bored piles and upright steel posts, wherein the single-row triaxial deep-mixing pile water-stop curtain is lower than natural ground and is arranged along the periphery of a foundation pit in an enclosing way; the bored piles are sequentially arranged at intervals in the foundation pit and located on the inner side of the single-row triaxial deep-mixing pile water-stop curtain; the upright steel posts are arranged in the foundation pit and located on the inner sides of the bored piles; the tops of the bored piles are sequentially connected via reinforced concrete crown beams in a pulling way; reinforced concrete enclosing purlins along the periphery of the foundation pit are arranged in positions, which are not the height positions of floor slabs of underground floors, on the inner sides of the bored piles; the inner sides of the reinforced concrete enclosing purlins are connected in a pulling way via reinforced concrete enclosing purlin beams supported on the upright steel posts; the reinforced concrete enclosing purlin beams are in latticed pulling connection with the reinforced concrete enclosing purlins via a plurality of groups of inner reinforced concrete supports; filling plain concrete is arranged inwards at the bottoms of the bored piles; a baseplate is laid on the foundation pit and enclosed by the filling plain concrete; and more than one post-cast strip with support replacement pieces is arranged on the baseplate.

The invention discloses a self-resetting swing steel frame structure. The self-resetting swing steel frame structure comprises basic parts, steel columns, a column foot joint structure, a beam end joint structure and a middle beam, wherein the number of the basic parts and the number of the steel columns are respectively two; the steel columns are vertically arranged at the tops of the basic parts; the column foot joint structure comprises column foot high-strength anchor rods, a column foot disc-shaped spring and cantilever plates; the cantilever plates are fixed to the two sides, close to the bottoms, of the steel columns; the column foot high-strength anchor rods penetrate through the cantilever plates and are fixedly connected with the tops of the basic parts; the column foot disc-shaped spring is sleeved on the column foot high-strength anchor rod on one side, far away from the basic parts, of the cantilever plates; and the middle beams is transversely arranged and is fixed between the two steel columns. The steel frame has extremely high self-resetting performance and energy consumption capacity, and also has excellent ductility and fatigue resistance.

An electronic device includes first and second housings rotatably coupled with each other through a hinge, thereby being in a folded state or an unfolded state. The electronic device further includes first and second printed circuit boards (PCBs) disposed in the first and second housings, respectively, and at least one wiring member electrically connecting the first and second PCBs. The electronic device further includes a window disposed over the first and second housings and the hinge, and a display disposed under the window. The display includes a display panel extending in the first housing and having a first FPCB electrically connected to a ground of the first PCB. The display includes a polymer member, a first conductive member disposed in the first housing and electrically connected to the first FPCB, and a second conductive member disposed in the second housing. The electronic device further includes a supporting member disposed between the second conductive member and the second PCB in the second housing. The second conductive member is electrically connected to the second PCB through a conductive region of the supporting member and electrically connected to the ground of the first PCB through the wiring member.

The invention belongs to the technical field of atmospheric infrared detection equipment, and particularly relates to an infrared transmitting device and an infrared receiving device of the atmospheric infrared detection equipment. The overall pitching and left and right sweeping of the infrared detection equipment are achieved through a two-axis turntable. The equipment is simple in transmission structure, good in stability and high in adjustment precision, thus the installation and focusing efficiency and focusing precision of the infrared detection equipment are greatly improved. According to the equipment, a lens is installed on a movable support; the movable support is installed on a slider arranged on the barrel wall of a Casher reflection telescope; the position of the lens in the Casher reflection telescope can be adjusted in real time from the outside of the Casher reflection telescope; the operation is simple and convenient; the equipment assembly and maintenance efficiency are improved; the fast connection and positioning of the Casher reflection telescope and the turntable are achieved by using a dovetail type plug-in structure; the connecting structure is stable and reliable; the installation precision is high.

The invention relates to the technical field of lithium battery cell piece stacking machines, in particular to a pole piece feeding device of a lithium battery cell piece stacking machine. During feeding of an existing lithium battery cell piece stacking machine, due to the fact that pole pieces are very thin and have static, the pole pieces adhere to one another frequently, the situation that a mechanical arm picks up multiple pole pieces at a time occurs, if the multiple pole pieces are stacked in a cell structure, serious battery faults will occur. In order to solve the problem, the pole piece feeding device of the lithium battery cell piece stacking machine can prevent adhesion of the pole pieces and effectively prevent the static and remove the static. The pole piece feeding device comprises a piece fetching mechanism, a material box for containing the pole pieces, and a jacking mechanism, wherein the piece fetching mechanism, the material box and the jacking mechanism are sequentially arranged on a rack from top to bottom. The piece fetching mechanism is used for grasping the pole pieces in the material box. The jacking mechanism is used for driving the pole pieces in the material box to move upwards. The pole piece feeding device is characterized in that brushes and ion air knives are further arranged on the rack and located on the edge of a material box opening, and the ion air knives are located below the brushes.

A retaining ring structure for fixing a satellite antenna having a retaining ring integrally formed by stamping a metal piece. The retaining ring consists of a C-shaped body and two clamping pieces extending from a slot of the C-shaped body to the outside. A plurality of projecting pieces is axially formed by a stamping process from the external side toward the internal side such that the C-shaped body is properly contracted to grip the positioning rod when the clamping pieces are tightened with bolts. Meanwhile, the projecting pieces create a biting structure that bites the positioning rod such that the positioning rod is firmly held by the retaining ring to prevent the retaining ring from rotation on the positioning rod. Moreover, the structure in accordance with the invention can withstand the inertia toque created by the strong wind force acting on the receiving dished plate. Meanwhile, the receiving dished plate won't be rotated so that an accurate direction of the receiving dished plate as well as an improved quality of receiving the satellite signals can be ensured.

The invention discloses an isolating net piece and a carrier vehicle for loading the isolating net pieces. The isolating net piece comprises an isolating net piece body, a support and an isolating barrier, wherein the isolating net piece body comprises a framework and a net piece arranged on the framework, the support comprises a regulating lever and regulating lever landing legs, is arranged at one side of the isolating net piece body, and is used for supporting the obliquely placed isolating net piece body and regulating the length of the regulating lever according to needs, and the isolating barrier inclining towards the same side is formed by serially connecting a plurality of isolating net piece bodies. The compartment body of the carrier vehicle is formed by a plurality of tank bodies, one isolating net piece is placed in each tank body, the isolating barrier formed by serially connecting the isolating net piece bodies is not easy to damage or incline, can prevent people from climbing and crossing and has a very good blocking effect, handling of the isolating net pieces is convenient and labor-saving, and since the carrier vehicle for loading the isolating net pieces is specially designed, loading of the isolating net pieces is fast, and the transportation process is safe and reliable.

The invention discloses a tea frying machine which comprises a rack (1) and a pot body arranged on the rack (1), wherein the pot body of a long-trough shaped structure of which the bottom is circular arc shaped; the pot body is internally provided with a frying handle (8) and a frying harrow (7) which make circling motion along the bottom of the pot body; a plurality of frying claws (71) for scattering tea leaves are arranged at intervals at the front end contacting the bottom of the pot, of the frying harrow (7). The tea frying machine disclosed by the invention is simple in structure, low in cost, applicable to small-scale domestic tea leaf frying, convenient to use and high in efficiency, tea leaves can be uniformly fried, the fried tea leaves are good in quality, and thus the tea frying machine is relatively high in practicability.

The invention provides a container-type modular building unit and an assembly house. The container-type modular building unit comprises a main body frame and connecting pieces, wherein the main body frame comprises four vertical columns, each vertical column comprises a hollow special-shaped steel column, a column top plate connected to the top end of the corresponding special-shaped steel columnand a column bottom plate connected to the bottom end of the corresponding special-shaped steel column, each special-shaped steel column is formed by arranging an axially penetrating therethrough gapin one side edge of a square steel tube, each gap faces the inner side of the main body frame, and the column top plates and the column bottom plates are provided with transportation holes making theinner portions of the special-shaped steel columns communicated with the outer portions of the special-shaped steel columns respectively; connecting pieces are arranged in the special-shaped steel columns through the gaps and can be in inserted connection with the transportation holes in the column top plates or the column bottom plates, and the connecting pieces are provided with first perforations capable of making the inner portions of the special-shaped steel columns communicated with the outer portions of the special-shaped steel columns and allowing connecting bolts to penetrate through.The container-type modular building unit can be assembled into the house in a complete bolted connection mode, the connection structure is safe, and the disassembly and assembly are convenient.

The invention discloses an automatic demolding device for aluminum machining. The automatic demolding device comprises an upright post; the outer wall of one side of the upright post is fixedly connected with a first motor through a bolt; one end of the first motor is rotationally connected with a brace rod through a rotating shaft; the brace rod is of an L-shaped structure; a base plate is installed at the end, far away from the first motor, of the brace rod; an eccentric wheel and springs are installed at the top end of the base plate; the two springs are arranged and are correspondingly positioned at the two sides of the eccentric wheel; and the end, far away from the base plate, of each spring is connected with a demolding bucket limiting sleeve. The automatic demolding device disclosed by the invention is provided with limiting sleeves, the demolding bucket limiting sleeves, first limiting blocks, second limiting blocks and guide rods; in demolding, a second motor is started to drive the eccentric wheel at one side to rotate by virtue of a rotating shaft so as to drive the demolding bucket limiting sleeve to move up and down; the demolding bucket limiting sleeve is used for driving a demolding bucket to move; and the demolding operation of a mold is realized by virtue of relative shake between the demolding bucket and the mold.

The invention relates to a waterproof structure at an abutted seam of prefabricated light-steel keel composite wallboards. The waterproof structure is arranged at the abutted seam of the light-steel keel composite wallboards. The waterproof structure is a cavity waterproof structure; a sealing box body is arranged inside the cavity waterproof structure; an opening provided with an edge is arrangedat the upper part of the sealing box body; the edge of the upper part of the sealing box body and the abutted seam of the light-steel keel composite wallboards are sealed by a sealant; the sealing box body is filled with PE foam sticks via the opening, and screeding is performed, so that the opening at the upper end of the sealing box body is blocked; and the lower end of the sealing box body isfixedly connected with profiled steel sheets of the light-steel keel composite wallboards through connecting pieces. According to the waterproof structure, the waterproof problems that outdoor rainwater permeates along the seams at the horizontal abutted seams and vertical abutted seams of the prefabricated external wallboards are well solved, and on the premise that the waterproof performance isguaranteed, the overall strength of the wallboard structures cannot be reduced.

The invention provides cleaning equipment of an air-conditioning heat exchanger. The cleaning equipment comprises a conveying pump, a first cleaning pipeline and a second cleaning pipeline, wherein the first cleaning pipeline and the second cleaning pipeline are arranged at two conveying ends of the conveying pump respectively and are communicated with the heat exchanger; and a filter for filtering cleaning impurities is arranged on the first cleaning pipeline, and a liquid adding branch pipeline which is used for adding of cleaning liquid and can be opened and closed is further arranged on the first cleaning pipeline. The liquid adding branch pipeline which is arranged on the first cleaning pipeline and can be opened and closed adds the cleaning liquid to the first cleaning pipeline, and after the cleaning liquid is added, a cleaning liquid circulation loop is formed between the cleaning equipment of the air-conditioning heat exchanger and the heat exchanger. The conveying pump is opened to convey the cleaning liquid to flow in an inner cavity of the heat exchanger, and the aims that the cleaning liquid effectively and rapidly cleans the inner cavity of the heat exchanger, and filth blockage of the interior of the heat exchanger is effectively cleaned are achieved.

The invention discloses a copper terminal and aluminum wire joint and a magnetic induction welding method thereof. The copper terminal of the joint is divided into a connector and a functional part connected with the connector. The aluminum guide core of the aluminum wire is connected with the connector of the copper terminal. The aluminum guide core extends or does not extend to the functional part. The magnetic induction welding method comprises the steps that S1 the aluminum guide core after insulating layer stripping and the connector of the copper terminal are assembled; and S2 the welding end of the aluminum wire and the connector of the copper terminal are welded together through magnetic induction welding. According to the technical scheme, copper and aluminum are welded; the electrical performance and the mechanical performance are better; terminals of terminal connectors of different shapes are connected with the aluminum wire; and the preparation efficiency and quality are improved.

The invention discloses a thermally driven deformable micromirror, and belongs to the technical field of adaptive optical systems. The micro-mirror is composed of a lens, an electrode, a supporting beam and a silicon structure frame. The lens is suspended and supported in the center of the silicon structure frame by the support beam; the lens is divided into three layers from top to bottom, namely, a metal reflecting layer, a silicon dioxide layer and a silicon layer; the supporting beam and the silicon layer of the lens are integrally formed by the same material, the silicon structural frameand the supporting beams are insulated by the silicon dioxide layer, the electrode is arranged on the surface of the silicon structural frame and connected with the supporting beam, after the electrode is powered on, the supporting beam and the lens form a current loop and emit heat, and the lens deforms due to different thermal expansion coefficients of metal and silicon. The heating temperaturesof two different materials, namely metal and silicon, are controlled by electrifying, so that the purpose of mirror surface deformation is achieved.

The invention relates to a foaming mold. The foaming mold comprises an upper mold body and a lower mold body. At least one groove where an oil pump cover is embedded is formed in the top of the lower mold body, and an inflatable airbag for enabling the lower mold body to vertically ascend and descend is arranged at the bottom of the lower mold body; and at least one core is correspondingly arranged at the bottom of the upper mold body. When the upper mold body and the lower mold body are assembled, each core enters the oil pump cover embedded into the corresponding groove, molding space is formed between the cores and the corresponding oil pump covers, and a feeding mechanism for feeding materials to the molding space during assembling is arranged at the top of the upper mold body; and the upper mold body and the lower mold body are each internally provided with a plurality of water pipes, the inlet ends of the water pipes are communicated with a water source, and the water source is connected with a water temperature control mechanism. In addition, the invention provides a method for manufacturing high-pressure oil pump noise insulation covers through the foaming mold. According to the mold, the foaming high-pressure oil pump noise insulation covers can be formed on the inner surfaces of the oil pump covers in a pouring manner, connecting structures between the oil pump covers and the foaming high-pressure oil pump noise insulation covers are stable, the foaming high-pressure oil pump noise insulation covers are not prone to falling from the oil pump covers, and the quality of products is effectively improved.

The invention discloses a node connecting structure for an assembled bamboo wood beam column. The structure comprises a rectangular side column, a rectangular beam, a steel filling plate and split bolts, wherein the steel filling plate is formed by welding an H-shaped steel plate and a wing plate; a bolt hole is formed in the net section of the wing plate; notches and bolt holes are formed in theend parts of the rectangular side column and the rectangular beam; the dimensions of the notches are consistent with those of a corresponding inserting part of the wing plate; the rectangular side frame comprises an upper side column and a lower side column, and the upper side column, the lower side column and the rectangular beam are connected and fixed to the steel filling plate through the split bolts. By way of node connection mode of the steel filling plate of the bamboo wood structure, the node connection of the bamboo wood structure has the characteristics of a semi-rigid node, can better bear the bending moment and the shearing force of the node and form a more stable mechanism system, and has the characteristics of high node rigidity, firm connection, high industrial degree and convenience in field construction.