68results about How to "Limit slide" patented technology

The invention discloses a tunnel arch supporting device for tunnel construction. The tunnel arch supporting device comprises a supporting frame, wherein one side of the bottom of the supporting frameis provided with a transverse plate, and the top end of the transverse plate is provided with a transmission assembly. The tunnel arch supporting device for the tunnel construction has the advantagesthat the structure is scientific and reasonable, the use is safe and convenient, the transmission assembly is arranged, and the action of a first manual hydraulic cylinder, a sliding block and supporting rods provides convenience for pushing a connecting column to move upward, thereby driving the supporting rods to move to the two sides simultaneously; the operation is simple, and the time is saved; the action of a guide rod provides convenience for guiding the sliding block to move longitudinally, thereby avoiding the situation that the sliding block shakes to affect the supporting effect; support rods are arranged, and the action of the support rods, movable shafts, a sliding groove and fixing plates provides convenience for sliding the support rods; the action of a fixed threaded rod provides convenience for fixing the fixing plates and the support rods, thereby adjusting the angles of the support rods, so that the support rods support the supporting rods and form a triangle with the supporting rods and the transverse plate, thereby improving the overall stability of the device.

The invention discloses a lifting working platform. The lifting working platform comprises a lifting working platform body, wherein the lifting working platform body comprises a table board, an upper support, a lower support and at least one set of X-shaped lifting mechanism, and the table board is fixedly connected to the top of the upper support. Each set of X-shaped lifting mechanism comprises a first support rod and a second support rod the middle portions of which are hinged to form an X shape, wherein the upper end of the first support rod is hinged to the upper support, the lower end of the first support rod is hinged to a first sliding block, and the first sliding block is in sliding fit with the lower support; the lower end of the second support rod is hinged to the lower support, the upper end of the second support rod is hinged to a second sliding block, and the second sliding block is in sliding fit with the upper support. A locking mechanism is arranged on the lower support. Each set of X-shaped lifting mechanism further comprises a gas spring used for counteracting or partially counteracting the load on the upper support. The lifting working platform is simple in structure, and height adjustment is convenient.

The invention belongs to the technical field of welding clamps, and particularly relates to a self-adaptive positioning combination clamp for welding curved-surface panels. The self-adaptive positioning combination clamp comprises a first rotary supporting rod, a second rotary supporting rod, a first locking bearing, a second locking bearing, a ball head, a torsional spring, a limiting spring, a clamping spring, a spring stop dog, a driving supporting seat, a driven supporting seat, an angle seat, a bottom plate, a locking device, a power device, a coupling device, a fixed rotary shaft and a clamping device. Workers opens the clamping device, the welded curved-surface panels are placed on the clamp, the rotary supporting rods rotate around the fixed rotary shaft, the torsional spring is automatically adjusted, and a balance state is achieved; locking is carried out through the power device, then clamping is carried out, and welding is started; and the welding is completed, the clampingdevice is opened, the curved-surface panels are taken out, the rotary supporting rods are automatically adjusted according to different curved-surface panels to adapt to the welding of the curved-surface panels with different shapes, the time of designing and producing the welding clamp is shortened, the clamp cost is reduced, and the production cycle is shortened.

The invention relates to a coupling which is provided with a threaded disc, a threaded slide block and a clamp shaft, wherein the threaded disc drives the threaded slide block to move; and the clamp shaft limits the slide of two coupling halves in an axial direction, thereby preventing the two coupling halves from colliding, reducing the noise and prolonging the service life of the coupling. The coupling provided by the invention is convenient and rapid in replacement, can be assembled or disassembled immediately, and effectively enhances the work efficiency. The coupling is accurately coaxial with a shaft to be installed and has the characteristics of good balance performance and the like.

The present invention provides a magnetic adsorption type mobile bracket, comprising a main support plate and auxiliary support plates located on both horizontal sides of the main support plate, at least one auxiliary support plate on each side, and the auxiliary support plates on both sides are connected to the The main support plate is rotatably connected, and magnetic structures are provided on the same side of the main support plate and the secondary support plates on both sides. The mobile bracket of the present invention can be adsorbed and fixed on circular steel materials with different diameters by adjusting the angle between the main support plate and the auxiliary support plate, or can be adsorbed and fixed on a magnetically friendly plane by being unfolded into a plane, and can be widely used in monitoring The conditions of the construction site in the fields of photography, lighting, transportation, mechanical structure, etc., the bracket is adsorbed and fixed on the most convenient position of the most convenient magnetic material on the job site, and can be quickly disassembled; in addition, the mobile bracket of the present invention has a simple structure , Light weight, easy to carry.

The invention discloses durable polyvinyl chloride plastic and belongs to the technical field of high polymer materials. The prepared durable polyvinyl chloride plastic is prepared from polyvinyl chloride, a stabilizer, an antioxidant, a coupling agent, a lubricant and a self-made plasticizer, wherein the self-made plasticizer is prepared by a preparation process comprising steps as follows: firstly, epoxyoleic acid is dissolved in absolute ethyl alcohol, thionyl chloride is added, after a mixture is subjected to constant-temperature stirring reaction, reduced-pressure concentration is performed, ethyl alcohol is recovered, and an acyl chloride product is obtained; after the acyl chloride product, urea, nano graphene oxide, polyvinylpyrrolidone and acetone are mixed, ball-milling reactionis performed, acetone is recovered by reduced-pressure concentration, and the self-made plasticizer is prepared. During plastic processing, firstly, polyvinyl chloride, the stabilizer, the antioxidant, the coupling agent, the lubricant and the self-made plasticizer are mixed uniformly, a mixture is subjected to plastication and extrusion molding, and the durable polyvinyl chloride plastic is obtained. The plasticizer in the prepared durable polyvinyl chloride plastic is stable and difficult to migrate, so that the durable polyvinyl chloride plastic has good mechanical properties during processing and long-term using.

The invention relates to a meshing teeth-shaped anti-aging lateral stabling rod liner bushing. The meshing teeth-shaped anti-aging lateral stabling rod liner bushing comprises a fixed bracket, a liner bushing body and a framework, wherein liner bushing protruding ribs are arranged on the surface of the liner bushing body; liner bushing meshing teeth are arranged between the edge of the liner bushing body and the protruding ribs; annular grooves are uniformly formed in the walls of inner holes of the liner bushing; the liner bushing body is divided into two parts namely an outer rubber layer and an inner rubber layer by the framework embedded in the liner bushing body; the fixed bracket is matched with the outer surface of the liner bushing body; and bracket meshing teeth are correspondingly arranged at the positions meshed with the liner bushing meshing teeth, on the inner surface of the fixed bracket; a bracket flange is arranged at an interface of the upper part and the lower part of the fixed bracket; coupling holes are formed in the bracket flange; and the liner bushing body is manufactured and processed from materials of acrylate material, propylene oxide rubber, copolymer epichlorohydrin rubber, ethylene vinyl acetate rubber and the like. Through the adoption of the meshing teeth-shaped anti-aging lateral stabling rod liner bushing disclosed by the invention, during the driving process of an automobile, the problems of sliding and abnormal sounds of the stabling rod liner bushing can be solved, and the abrasion is reduced, so that the service life of the stabling rod liner bushing is prolonged.

The invention provides a remote controller, which comprises a housing, a battery compartment and a middle case. The battery compartment is accommodated in an accommodating cavity of the housing through an opening of the housing. A first buckle is arranged in a protruding manner on one side, away from the opening, of the battery compartment. The middle case includes a middle case body and a deformation part elastically connected with the middle case body. The deformation part extends towards the accommodating cavity, and a second buckle is arranged at the end of the deformation part. Through the buckle connection between the second buckle and the first buckle, the buckle connection between the deformation part and the battery compartment is realized, and the sliding of the battery compartment is limited. The deformation part is provided with a switch button in a protruding manner, which is exposed in a through hole of the housing. The switch button can move in the through hole under theaction of pressure and drive the second buckle to be separated from the first buckle, so that the battery compartment can be separated from the accommodating cavity of the housing from the opening ofthe housing, and the battery compartment is thus separated from the housing. The switch button can move in the through hole and does not slide with the sliding of the battery compartment, and thus, the contact between the switch button and the inner wall of the housing is avoided.

The invention relates to the technical field of composite insulator transportation, in particular to a frame used for transferring and storing composite insulators. The frame for transferring and storing the composite insulators is structured and comprises a bottom plate. Multiple stand columns are vertically arranged on the bottom plate. Every two adjacent stand columns are connected through a cross beam. A movable door is arranged on one side of the frame and is hinged to the corresponding stand columns through hinge pieces. A bottom limiting device for one ends of the composite insulators to be inserted is arranged on the bottom plate. The bottom limiting device limits the position of the end portions of the composite insulators in the horizontal direction so that the composite insulators can be vertically arranged. Compared with the prior art, due to the fact that the movable door is arranged, the composite insulators are convenient to store and take; and in addition, the limiting device is further arranged on the bottom plate, after the composite insulators are vertically placed, sliding of hardware fittings of the composite insulators is effectively limited, the composite insulators can be kept stably positioned, and the problems that previously, composite insulators need to be horizontally placed, and occupied space is large are solved.

The invention discloses a tunnel arch supporting device for tunnel construction. The tunnel arch supporting device comprises a supporting frame, wherein one side of the bottom of the supporting frameis provided with a transverse plate, and the top end of the transverse plate is provided with a transmission assembly. The tunnel arch supporting device for the tunnel construction has the advantagesthat the structure is scientific and reasonable, the use is safe and convenient, the transmission assembly is arranged, and the action of a first manual hydraulic cylinder, a sliding block and supporting rods provides convenience for pushing a connecting column to move upward, thereby driving the supporting rods to move to the two sides simultaneously; the operation is simple, and the time is saved; the action of a guide rod provides convenience for guiding the sliding block to move longitudinally, thereby avoiding the situation that the sliding block shakes to affect the supporting effect; support rods are arranged, and the action of the support rods, movable shafts, a sliding groove and fixing plates provides convenience for sliding the support rods; the action of a fixed threaded rod provides convenience for fixing the fixing plates and the support rods, thereby adjusting the angles of the support rods, so that the support rods support the supporting rods and form a triangle with the supporting rods and the transverse plate, thereby improving the overall stability of the device.

The invention provides a magnetic absorption type moving bracket, which comprises a main support plate and auxiliary support plates located on two horizontal sides of the main support plate. At least one auxiliary support plate is arranged on each side; the auxiliary support plates on two sides are rotatably connected with the main support plate; and magnetic structures are respectively arranged on plate faces of same sides of the main support plate and the auxiliary support plates on the two sides. The moving bracket provided by the invention can be absorbed and fixed on circular rolled steel with different diameters through adjusting an included angle between the main support plate and each auxiliary support plate, or the moving bracket is unfolded to form a plane so as to be absorbed and fixed on a paramagnetic plane, and the support can be absorbed and fixed on the most convenient paramagnetic material proper position in job site through widely utilizing the conditions of construction sites in the fields of monitoring, shooting, lighting, traffic, mechanical structures and the like, so that fast assembly and disassembly can be realized; and in addition, the moving bracket provided by the invention is simple in structure, light in weight, and convenient to carry.

The invention relates to a coupler which comprises an upper coupler body, a lower coupler body, a connecting screw and a locking nut. The connecting screw and the locking nut are used for connecting the upper coupler body with the lower coupler body. The connection position between the lower coupler body and the connecting screw is sleeved with an elastic body. The two ends of the elastic body are provided with an inner stop sheet and an outer stop sheet respectively. The inner stop sheet is arranged between the connecting ends of the upper and the lower coupler bodies. Due to the fact that the elastic body is arranged at the connection position, certain elastic deformation is provided during installation and connection, and the connection strength of the upper and lower coupler bodies is enhanced. Due to the fact that the inner stop sheet and the outer stop sheet are arranged at the two ends of the elastic body, sliding of the upper and lower coupler bodies in the axial direction is limited, the upper and lower coupler bodies are prevented from colliding with each other, noise is lowered, the service life of the coupler is prolonged, and meanwhile the coupler has the advantages that replacement is convenient and rapid, disassembly and assembly are carried out at the same time, and the working efficiency is effectively improved.

The present application relates to a green steel structure building, which includes a support frame, a plurality of horizontal columns, a plurality of parallel tripods, and a connecting assembly. The support frame is vertically arranged and is detachably connected to the horizontal column; the connecting assembly includes a positioning member and a plurality of first The clamping strip, the horizontal column is provided with embedding grooves for embedding in any two corners of the tripod, the first clamping strip is vertically arranged, and is set on the side wall of the tripod close to the inner wall of the embedding groove, and the inner wall of the embedding groove is provided with a first clamping strip. The first chute on which the clamping strip slides; the positioning member is arranged on the horizontal column, and can keep the first clamping strip and the first chute relatively stationary. The present application facilitates the installation and dismantling of steel structure buildings.

This application discloses a flue gas waste heat recovery device, which includes a box body with an inner cavity, a water inlet pipe, a water outlet pipe, and a heat conduction pipe. The box body is provided with a smoke exhaust hole that communicates with the boiler flue. The two ends of the heat pipe are respectively connected with the water inlet pipe and the water outlet pipe. The box is provided with an inspection port connected with the inner cavity of the box. The inspection port is used for the heat pipe to pass through. The box body is detachable. An inspection cover for covering the inspection opening is connected, and a smoke-blocking cover for covering the inspection opening is detachably connected to the heat-conducting pipe, and the smoke-blocking cover slides in the inner cavity of the box. A plurality of bent pipes are used to connect adjacent straight pipes, the inspection cover is provided with sliding holes for the straight pipes to slide, and the box body is connected with a fixing mechanism to limit the sliding of the straight pipes. The present application has the effect of being able to overhaul the heat transfer tube without shutting down the boiler.

The invention discloses a smoothie refrigerator which comprises a refrigerating system, a refrigerator inner container and a drawer placed in an inner container inner cavity. A time marking area is arranged above an outer wall of a front panel of the drawer, a prompt clamp is clamped on a top plate body of the front panel and can horizontally slide on the time marking area of the front panel, and a beverage frame is arranged in the drawer and comprises a first bracket, a second bracket and a limiting frame. The first bracket is connected with the second bracket, and the second bracket is connected with the limiting frame. The first bracket and the second bracket are provided with base plate parts, wave-shaped bottle supporting parts and wave-shaped rib plates. The wave-shaped bottle supporting parts are slantly arranged, the bottom ends of the wave-shaped bottle supporting parts are connected with the base plate parts, the tops of the wave-shaped bottle supporting parts are connected with the wave-shaped rib plates protruded upwards, the wave-shaped opening contours of the wave-shaped rib plates are matched with the shape of the wave-shaped bottle supporting parts, and the base plate parts are provided with through holes. The smoothie refrigerator has a food storage starting time prompt function and is suitable for storage of canned beverages.

A tire P with a radial carcass reinforcement ( 1 ), intended for mounting on a rim J at least one of whose seats ( 42 ) is inclined outwards and is extended axially on the outside by a hump ( 41 ) of small height, said hump comprising an axially outer wall ( 411 ), and comprising two sidewalls ( 8 ) and at least one bead ( 5 ) with a heel axially on the inside and a bead toe axially on the outside, said bead ( 5 ) being provided with a protective rib T extending in the circumferential direction and axially further away from the equatorial plane than the axially outer wall ( 411 ) of the hump ( 41 ) of the rim in order to protect said rim J, the profile of the lower face BC connecting the axially outer face AB of the protective rib T and the profile of the bead ( 5 ) being totally located radially outside a virtual segment whose ends are on the one hand the radially innermost point B of the axially outer face AB of the rib T, and on the other hand the last point C' of the tire bead which is in contact with the hump of the rim.

The invention relates to the technical field of composite insulator transportation, in particular to a frame used for transferring and storing composite insulators. The frame for transferring and storing the composite insulators is structured and comprises a bottom plate. Multiple stand columns are vertically arranged on the bottom plate. Every two adjacent stand columns are connected through a cross beam. A movable door is arranged on one side of the frame and is hinged to the corresponding stand columns through hinge pieces. A bottom limiting device for one ends of the composite insulators to be inserted is arranged on the bottom plate. The bottom limiting device limits the position of the end portions of the composite insulators in the horizontal direction so that the composite insulators can be vertically arranged. Compared with the prior art, due to the fact that the movable door is arranged, the composite insulators are convenient to store and take; and in addition, the limiting device is further arranged on the bottom plate, after the composite insulators are vertically placed, sliding of hardware fittings of the composite insulators is effectively limited, the composite insulators can be kept stably positioned, and the problems that previously, composite insulators need to be horizontally placed, and occupied space is large are solved.

The invention discloses a reed transfer vehicle for a textile factory, which comprises a frame body and a reed body, and also includes a buffer mechanism arranged at the inner four corners of the top of the frame body. The buffer mechanism includes a support plate for supporting the steel reed body, The connecting rod assembly and the rotating part for fixing the reed body, the connecting rod assembly is driven by the support plate to insert the plug part on the outer wall of the rotating part into the reed tooth gap of the steel reed body, so that the reed body and the frame are connected The body remains fixed. The reed transfer vehicle provided by the invention can reduce the impact of the reed body caused by the vibration of the frame body during the transportation process, can limit the sliding of the reed body in the horizontal direction, and can limit the reed body in the horizontal direction. Sliding reduces the damage caused by the collision between the reed body and the frame body, realizes that when it needs to be moved, it can be lifted and moved, and when it needs to be fixed, it can be fixed by placing it, which can facilitate the operator to move and fix the frame body.

The invention discloses a board conveying system applied to a production line of cabinet boards, comprising a plurality of conveying rollers, the two sides of the conveying rollers are sequentially connected to form a closed ring through connecting pieces, and the connecting pieces are connected to the conveying rollers in rotation The closed ring and the driving roller cooperate to form a conveying device; the driving roller acts on the left and right ends of the closed ring coaxially and is discontinuous in the middle; a thickened sleeve is movable on the conveying roller, and the thickened sleeve is movable on the conveying roller. The thick sleeve is arranged in the middle of the conveying roller, the length of the thickened sleeve is shorter than the length of the conveying roller, and 1 / 2 of the difference between the length of the conveying roller and the length of the thickened sleeve is greater than the length of the driving roller. A plate conveying system applied to a cabinet plate production line disclosed in the present invention is suitable for transporting plates. By installing thickened sleeves at intervals on the conveying rollers, the distance between the thickened sleeves can be customized. It effectively limits the sliding of the plates on the conveying system and controls the distance between adjacent plates.