989 results about "Left lateral wall" patented technology

The invention discloses a dust reduction type steel plate double-face efficient polishing device which comprises an operation chamber. A driven shaft is vertically and rotationally arranged in the operation chamber, and a polishing plate is coaxially and fixedly installed at the bottom end of a driving shaft; a guide rod connected with the left side wall of the operation chamber in a sliding manner is horizontally arranged at the left end of a dual-rectangle-shaped frame, and a sliding rod movably connected with a vertical plate is horizontally arranged at the right end of a support; and a limiting spring is arranged on the sliding rod on the vertical plate at the right end of the upper surface of a bearing table in a sleeving manner, a positioning disc is fixedly installed on the right side of the vertical plate at the right end, a center hole is formed in the center of the positioning disc, and an upper positioning hole and a lower positioning hole which are subject to up-and-down vertical symmetry with respect to the center of the center hole are formed in the positioning disc. The dust reduction type steel plate double-face efficient polishing device is ingenious in structure and reasonable in design; the polishing plate is driven by a driving motor to achieve rotary polishing on a steel plate, the polishing scope is wider, and the steel plate polishing efficiency is improved; and the sliding rod is rotated to drive an L-shaped positioning shaft to rotate, and therefore double-face polishing on the steel plate can be achieved, and the overturning operation is easy and convneient.

The invention discloses a ceramic flat membrane supporting body and a production method thereof. The ceramic flat membrane supporting body is formed by two layers of flat membranes, the left lateral wall, the right lateral wall and at least a supporting column; the two layers of flat membranes, the left lateral wall and the right lateral wall form into a flat-pipe-shaped structure; the supporting column is arranged between the two layers of flat membranes; the flat membranes which are in asymmetric structures comprise surface layers of sponge hole structures and internal layers of finger-shaped hole structures; separation selectivity, permeation flux and mechanical strength of the flat membranes are high. The production method of the ceramic flat membrane supporting body comprises preparing slurry, producing dies through a phase inversion method, forming through a die pressing method and sintering. The production technology is easy and flexible, the costs are low, the dies are cheap, the replacing is convenient, a plurality of assemblies in different sizes can be formed at one time, and the production efficiency is high.

The invention discloses a fine multi-stage automatic cyclic crushing device. The fine multi-stage automatic cyclic crushing device comprises a crushing box body, wherein the crushing box body is fixedto a supporting rack, a first transmission gear is mounted at the bottom end of the left side wall of the crushing box body, a second transmission gear engaged to the first transmission gear is mounted on the side wall of the crushing box body; meanwhile, two first power gears engaged to the two transmission gears are fixed to the top of the crushing box body, and two primary crushing roller engaged to each other are fixedly mounted on the two first power gears. As the two crushing rollers are arranged to act at the same time, a material is fined and crushed, and meanwhile, an arc-shaped screen is arranged at the lower end of the device for screening the sieved material. Meanwhile, a cyclic scraping mechanism is arranged to scrape large particle material in the arc-shaped screen to the secondary crushing roller to be crushed again, so as to be automatically cyclically crushed, and therefore, the work efficiency is improved, and the production cost is lowered.

A supporting pillow that relieves pressure on the buttocks by instead placing pressure on the thigh area when a user is in a sitting position includes a base panel, a front wall, a back wall, a left lateral wall, a right lateral wall, and a top panel. The front wall, the left lateral wall, the right lateral wall, and the back wall are perpendicularly connected with the base panel and the top panel, creating the supporting pillow. A height of the front wall is smaller than the height of back wall, where the height difference creates an incline top panel. A left leg section and a right leg section of the top panel respectively provide surface area to the left leg and right leg of the user as the user sits on the supporting pillow.

A polishing machine of steel belt edges comprises a machine frame, a polishing ash gathering device and two polishing boxes. A steel belt through hole is arranged on a left lateral wall and a right lateral wall of each polishing box respectively, and a group of polishing devices are respectively arranged on installation platforms of the front side and the back side of each polishing box. Each polishing device comprises a base, polishing motors, a polishing wheel, a rocking plate, a rocking plate base, a polishing wheel position adjustment device and a bob-weight block. The middle portion of the rocking plate is hinged to the rocking plate base, the polishing wheel is connected with a polishing motor shaft through a connecting rod, and the polishing motor shaft is perpendicular to the moving direction of a steel belt. The two polishing motors are arranged on each polishing device, the two polishing motors are fixed on an upper plate face and a lower plate face at the left end and the right end of the rocking plate in a vertically-staggered mode, and the bob-weight block and the rocking plate are fixedly connected to one end of the rocking plate used for installing the polishing motors for polishing upper surfaces of the steel belt edges. A polishing wheel through hole for the polishing wheel to penetrate through is respectively arranged on a front lateral wall and a back lateral wall of each polishing box. The polishing machine relates to the field of manufacturing equipment of steel-plastic composite pipes, and the polishing machine has the advantages of being simple in structure, reliable in use and high in polishing uniformity.

A bag body of an airbag includes a recessed area that is sunken forward and extends vertically generally at the center in a left and right direction of the passenger side wall. The airbag internally includes a vertical tether that pulls the front end of the recessed area forward at airbag deployment. The airbag further includes two horizontal tethers; an upper horizontal tether and a lower horizontal tether, which connect the left side wall and right side wall of the bag body, respectively, and are deployable generally in a left and right direction in order to limit the clearance between the left side wall and right side wall. The upper horizontal tether is located in an area above the vertical tether and the lower horizontal tether is located in an area below the vertical tether.

An auxiliary load supporting apparatus for a vehicle having a front and a rear and a left and right sidewall, comprising: a first base mounted to said left sidewall and extending upward therefrom to a desired height, between six inches and 50 inches above said left sidewall; a second base mounted to said right sidewall and extending upward therefrom to a desired height, between six inches and 50 inches above said right sidewall; a first framework mounted to said first base and extending rearward therefrom away from the left sidewall; a second framework mounted to said second base and extending rearward therefrom away from the right sidewall; a transom extending from the first framework to the second framework rearward from the rear. A third support point is defined by the angle between the transom and the truck bed by the tailgate of the truck so that the transom does not need to take all of the support of the load.

The invention discloses a storage rack assembly for a refrigerator and a refrigerator provided with the same, wherein the refrigerator includes a refrigerating chamber. The storage rack assembly includes a support assembly, a front middle beam, a rear middle beam, a storage rack and a driving assembly, wherein the support assembly is arranged in the refrigerating chamber and includes a first lateral plate and a second lateral plate; the first and the second lateral plates are arranged on the left lateral wall and the right lateral wall of the refrigerating chamber respectively; the front middle beam is connected between the front parts of the first and the second lateral plates; the rear middle beam is connected between the rear parts of the first and the second lateral plates; the storage rack is arranged on the support assembly and can move forwards and backwards; and the driving assembly is arranged at the bottom of the storage rack. According to the storage rack assembly provided by the embodiment of the invention, the arranged driving assembly can drive the storage rack to expand and move forwards and backwards, the structure is novel, the convenience and the practicability are realized, the operation is labor-saving, meanwhile, a user can store and take foods out conveniently, the human-centered design of the refrigerator structure is embodied, and the practicability is excellent.

The invention discloses a shock-absorbing power cabinet body that is easy to push. , the cylinder of the fixed outer sleeve is provided with a lifting inner sleeve, the cylinder of the lifting inner sleeve is provided with an internal threaded hole and a rotating screw is provided in the internal threaded hole, the bottom of the cabinet is provided with a shock-absorbing base, two hydraulic pressure The positions between the telescopic rods are provided with powerful springs, and universal rollers are also installed at the four corners below the shock-absorbing base. The entire cabinet cavity of the present invention saves electric energy resources while ensuring a good heat dissipation effect, improves the actual use effect of the cabinet, and greatly facilitates the movement of the cabinet body through the universal roller, and the shock-absorbing base plays a buffering role, which is very convenient. Good protection of the safety of internal electrical components.

The invention discloses a chemical material stirring reaction kettle utilizing a lever balance principle. The chemical material stirring reaction kettle comprises a reaction shell of a conical structure with a large top and a small bottom and is characterized in that an inflatable air bag is arranged between the lower surface of the plate body of a lifting placing plate and the top outer lateral wall of the reaction shell, the right surface of the body of the inflatable air bag is connected to a pressure-supplying air pump through an air guide soft tube, the ends of a rotary support arm are provided with active stirring rods, a discharge retaining plate is hinged to the bottom opening of a discharge channel, a bar-shaped support block is fixed on the outer left lateral wall of the discharge channel, and counter weight iron blocks are mounted below the left end of the rod body of a balance rotary rod through thin pull ropes. The chemical material stirring reaction kettle has the advantages that comprehensive processing of chemical materials in a whole inner cavity is achieved, the balance rotary rod allows the discharge retaining plate to block the discharge channel under the effect of the lever principle, continuous discharge in the whole process is avoided, and sundries such as dust can be well prevented from drifting away.

The invention discloses a living organism sampling and inspecting device for an oncology department. The living organism sampling and inspecting device comprises a storage barrel, wherein a sliding groove is arranged on a left lateral wall of an inner cavity of the storage barrel, a through groove is arranged on a right lateral wall of the inner cavity of the storage barrel, a first permanent magnet is connected to the bottom of the inner cavity of the storage barrel, a pushing tube is arranged in the inner cavity of the storage barrel, a sliding block is connected to the left side of the pushing tube, a pull rod is connected to a right lateral wall of the pushing tube, a second permanent magnet is connected to the bottom of the pushing tube, an electric push rod is connected to the bottomof an inner cavity of the pushing tube, a probe is connected to the top of the electric push rod, racks are symmetrically connected to the left side and the right side of the probe, rotating shaft are symmetrically arranged on the left side and the right side of the upper part of the inner cavity of the pushing tube, gears are in fixed sleeve connection to the rotating shafts, fixed rods are connected to outer lateral walls of the gears, and sampling pincers are symmetrically connected to the tops of the two groups of fixed rods. The structural design of the living organism sampling and inspecting device disclosed by the invention is reasonable; the device is simple to operate, the sampling depth can be controlled, the sampling position is convenient to observe, living organism tissues are convenient to sample and inspect, and the work efficiency of medical workers is greatly improved.

The invention relates to a deceleration belt capable of automatically judging vehicle speeds and the problem that the existing vehicle speed can not retract automatically is effectively solved. According to the technical scheme, the deceleration belt includes a deceleration belt body capable of being pressed downwards; a box body is arranged below the deceleration belt body and rectangular groovesare formed in the left lateral wall and the right lateral wall of the box body; a plurality of baffles arranged in each rectangular groove in a stacking up-and-down mode and fist tension springs areconnected the baffles and the rectangular grooves; an electromagnet is arranged on the outer of each rectangular groove and a horizontal and conductive ring sleeve is arranged in the box body; a rotating disc is arranged in the ring disc and a sliding block is arranged on the rotating disc; and the rotating disc and the sliding block are conductive; the deceleration belt is pressed downwards to drive the rotating disc to rotate, so that the sliding block moves outwards due to centrifugal force and is in contact with the inner wall, and therefore the electromagnets are electrified and the baffles are absorbed to drive the deceleration belt body. The deceleration belt can automatically adapt to the vehicle speeds, is intelligent and efficient and is simple and ingenious in structure and highin practicability.

An auxiliary load supporting apparatus for a vehicle having a front and a rear and a left and right sidewall, comprising: a first base mounted to said left sidewall and extending upward therefrom to a desired height, between six inches and 50 inches above said left sidewall; a second base mounted to said right sidewall and extending upward therefrom to a desired height, between six inches and 50 inches above said right sidewall; a first framework mounted to said first base and extending rearward therefrom away from the left sidewall; a second framework mounted to said second base and extending rearward therefrom away from the right sidewall; a transom extending from the first framework to the second framework rearward from the rear. A third support point is defined by the angle between the transom and the truck bed by the tailgate of the truck so that the transom does not need to take all of the support of the load.

The invention relates to the technical field of transporting equipment and especially relates to a safe oil tank for storing gasoline. The safe oil tank comprises an inner tank body and an outer tankbody, wherein an oil inlet pipe is arranged in the central position at the top end of the inner tank body, an oil outlet pipe is arranged on the lower right side of the inner tank body, a water draining pipe is arranged in the center of the bottom end of the inner tank body, a valve is fixedly arranged at the outlet end of the water draining pipe, an oleophilic and hydrophobic filter layer is arranged at the upper part of the inside of the inner tank body, a hydrophilic and oleophobic filter layer is arranged at the lower part of the inside of the inner tank body, a sealed water storage cabinis formed by the hydrophilic and oleophobic filter layer and the inner tank body, a hydraulic sensor is fixedly arranged on a left lateral wall of the inside of the inner tank body, a temperature sensor is fixedly connected to the upper end of the hydraulic sensor, a water passing interlayer is arranged between the inner tank body and the outer tank body and has a heat-insulation effect, an anti-collision buffer plate is fixedly connected to the periphery of the outer tank body, a base is arranged on the left side of the outer tank body, and a damping spring set is fixedly arranged in the baseto effectively reduce vibration in transportation. The safe oil tank disclosed by the invention has the advantages of simple and scientific structure, multiple functions and worth in popularization.

The invention relates to paper pulp dispersing equipment for a paper mill. The paper pulp dispersing equipment comprises a shell and is characterized in that two mounting seats are symmetrically fixedly connected to the left lateral wall and the right lateral wall of the shell, a support column is fixedly connected to each mounting seat, a support plate is fixedly connected to the top ends of the two support columns, a motor is fixedly connected to the middle of the support plate, and a rotary shaft is fixedly connected to the output shaft of the motor and located inside the shell; a spiral auger is fixedly connected to the lateral wall of the rotary shaft, a sleeve sleeves the spiral auger, the bottom end of the sleeve is fixedly connected with the inner bottom of the shell, a disc is fixedly connected to the top end of the sleeve and provided with a cavity inside, the cavity is communicated with the interior of the sleeve, a plurality of vertical mounting columns are fixedly connected into the cavity, and a plurality of impact protrusions are evenly arranged on each vertical mounting column. The paper pulp dispersing equipment is reasonable in structural design, convenient, good in fiber crushing effect and the like and has a certain popularization and application value.

The invention discloses a high-power microwave water load, which includes a small section wave-guide, a transition wave-guide and a large section wave-guide connected in sequence. The invention is characterized in that the large sectional wave-guide end is inclinedly mounted on the right side wall of the high-pressure water tank, ceramic chips are mounted therein, intake channels circulate around the upper and lower lateral walls and rear lateral wall of the high-pressure water tank, inlet openings are open on the upper and lower lateral walls of the high-pressure water tank to communicate with the intake channel, water inlet pipes are communicated with the intake channel on the rear lateral wall of the high-pressure water tank, and outlet pipes are provided on the left lateral wall off the high-pressure water tank. The liquid body current mode adopted by the invention can quickly lead-out the microwave power from the high-pressure water tank, avoids vaporization caused by excessive heating generated in the dead zone with non-smooth current, and can realize high average power, long pulse and high power density microwave matching and power measurement.

The invention discloses a refrigerator and a clapboard of the refrigerator. The clapboard comprises a lower cover plate, an upper cover plate, an air flue and a thermal insulation foam layer. Specifically, the lower cover plate is provided with an air flue groove, the upper cover plate and the lower cover plate are connected, a thermal insulation space is formed between the upper cover plate and the lower cover pate, the upper cover plate is provided with a left lateral wall and a right lateral wall which extend downwards and exceed the lower cover plate, and the inner sides of the left lateral wall and the right lateral wall are respectively provided with guide rails. The air flue is matched with the air flue groove and arranged in the air flue groove, and the thermal insulation foam layer is arranged in the thermal insulation space. The clapboard of the refrigerator of the embodiment can perform diversion on cold air of a refrigeration system of the refrigerator at the time, refrigeration is convenient and quick, the guide rails are integrated on the clapboard, and assembling efficiency of the refrigerator is improved.

The invention relates to the technical field of water quality detection and discloses a detection device applied to environment water quality detection. The detection device comprises a floating plate, wherein a sampling box is arranged below the floating plate, a guiding rod is fixedly connected to the left side of the top of the sampling box, the guiding rod penetrates through the floating plateand is in sliding connection with the floating plate, a screw rod is fixedly connected to the right side of the top of the sampling box, the screw rod penetrates through the floating plate and is inthreaded connection with the floating plate, and a rotary handle is fixedly connected to the top end of the screw rod; a round opening is arranged at the central position of the top of the sampling box, and a cylinder matched with the round opening is fixedly connected to the round opening position, an inner wall of the cylinder is covered by a rubber layer, a water quality detection pen is inserted into the rubber layer, water feeding pipes are connected to the tops of a left lateral wall and a right lateral wall of the sampling box, electromagnetic valves are arranged on the water feeding pipes, a water draining pipe is connected to the central position of the bottom of the sampling box, and an one-way valve is arranged on the water draining pipe. The detection device disclosed by the invention can control the sampling box to go up and down to sample and detect water bodies at the different depths; when the electromagnetic valves are switched on, water can enter the sampling box through the water feeding pipes; namely, water quality can be detected; thus, the detection device has convenience in detection.

A method for alleviating female urinary incontinence especially during episodes of increased intra-abdominal pressure is disclosed. The method includes the steps of providing a non-absorbent urinary incontinence device having an initial cross-sectional area, an insertion end and a trailing end. The urinary incontinence device also contains a compressed resilient member which is capable of increasing the cross-section area of the urinary incontinence device when expanded. The urinary incontinence device is inserted into a woman's vagina with the insertion end entering first. The vagina is a canal with an inner periphery made up of right and left lateral walls, an anterior wall and a posterior wall. The urinary incontinence device is inserted such that it contacts at least two of the walls. The urinary incontinence device is positioned in the middle third of the length of the vaginal canal with the insertion end aligned adjacent to a woman's urethral sphincter muscle. The urethral sphincter muscle is a part of the urethral tube. The urinary incontinence device cooperates with a woman's symphysis pubis to sandwich the urethral tube therebetween. The resilient member is allowed to expand within the vaginal canal such that at least a portion of the urinary incontinence device increases in cross-sectional area and contacts all four interior walls of the vaginal canal and provides a supportive backdrop for the urethral tube. The urethral tube is then permitted to be compressed upon itself between the urinary incontinence device and the symphysis pubis thereby limiting involuntary urine flow.

The invention discloses a multi-section machining special pipeline cutting device. The device comprises a device body and a groove, a first motor is connected with a first rotating rod, the groove isarranged on the left side wall of a supporting frame, a first rotating rod is rotationally connected to the inner side wall of the groove, a first fixed frame is arranged on the right side of the groove, the first fixed frame is arranged on the upper surface of the device body, the upper surface of the device body is provided with a sliding groove, the upper surface of the device body is connectedwith the lower end of a supporting plate through the sliding groove, a second fixed frame is arranged at the upper end of the supporting plate, and a first hydraulic telescopic rod is arranged on theleft side of the supporting plate. According to the multi-section machining special pipeline cutting device, the first rotating rod and a threaded rod can be driven to rotate through the first motor,so that a moving block moves transversely on the threaded rod, the position of a cutting knife can be changed, cutting work on different positions of the pipeline is achieved, the multi-section machining of the pipeline is convenient, the position of the pipeline does not need to be adjusted repeatedly, and the working efficiency is improved.

The invention discloses a water quality sampler for fisheries and aquaculture. A left column is fixedly mounted on a left buoyant raft, a right adjusting upright cylinder is fixedly mounted on a right buoyant raft, an adjusting column is mounted in the right adjusting upright cylinder, the left end of an upper slide track plate is arranged on the left column through a left movable hinge, the right end of the upper slide track plate is arranged on the adjusting column through a right movable hinge, the upper slide track plate is provided with sliding holes, a drive wheel and a driven wheel are installed in the sliding holes, the drive wheel is connected with the driven wheel through a connection plate, a connection column is fixedly arranged on the connection plate, a carrier plate is installed at the bottom end of the connection column, an air suction cylinder is installed at the bottom end of the carrier plate, a piston driving electromagnetic core is fixedly mounted at the top of the air suction cylinder, a piston is mounted inside the air suction cylinder, a soft iron block is mounted at the top of the piston, a water quality sampling box is mounted at the bottom end of the air suction cylinder, the left lateral wall of the water quality box is provided with a left sample opening, and the right lateral wall of the water quality sampling box is provided with a right sampling opening. The water quality sampler for fisheries and aquaculture is scientific and reasonable in design, simple in structure and convenient to operate.

The invention discloses a locking device for a router and a mounting bracket, belongs to the router in the technical field of electronic products and aims at providing the locking device for the router and the mounting bracket, which is higher in installation stability and is easily taken from a wall. The technical scheme is as follows: the locking device comprises lock brackets fixedly arranged on the mounting bracket and locking heads fixedly arranged on a router body; each locking head comprises a shell, wherein the interior of the shell is hinged to a swing arm, the free end of the swing arm is connected to a hydraulic driver fixedly connected inside the shell, the connecting end of the swing arm is connected to a locking rod, and the clamping end of the locking rod pierces out of the right wallboard of the shell; each lock bracket comprises a bracket body, wherein the interior of the bracket body is connected to a clamping seat through a fixing plate, a clamping groove is arranged in the clamping seat, and the clamping end of each locking rod can extend into the bracket body through the left side panel of the bracket body and be clamped in the clamping groove. The invention is suitable for the locking device for the router and the mounting bracket.

The invention relates to a refrigerator rack, in particular to an adjusting type refrigerator rack mechanism. The adjusting type refrigerator rack mechanism comprises a rack (8) arranged in storing space, the back portions of the left lateral wall and the right lateral wall of the rack (8) are provided with buckling mechanisms, the left lateral wall (7) and the right lateral wall (7) of the storing space are provided with longitudinal tracks (2), the longitudinal tracks (2) are of groove structures, the front side of the cross section of each groove structure in the vertical direction is a straight plane, the back side of the cross section of each groove structure in the vertical direction is a wavy hook face, the widths of the longitudinal tracks (2) are matched with the widths of the buckling mechanisms, and the buckling mechanisms are inserted in the longitudinal tracks (2). According to the adjusting type refrigerator rack mechanism, as the longitudinal tracks are matched with the buckling mechanisms on the rack, the rack can slide in the longitudinal tracks, the height adjustment and fixation of the rack are achieved, and the adjusting type refrigerator rack mechanism is simple in structure, convenient to operate and favorable for popularization and application.

The invention discloses an elbow machining device beneficial for clamping at different angles. The elbow machining device comprises a device body and a fourth hydraulic telescopic rod. A water pump isarranged on the lower side of a filter screen. The end, away from the water pump, of a water conveying pipe penetrates through the left side wall of a water tank, the left side wall of the device body and the upper surface of an outer shell to be provided with a spraying pipe. The upper end of a connecting pipe penetrates through the inner top end of the outer shell to be provided with a suctionfan. The upper surface of a sliding table is provided with a rotating table. The upper surface of a first supporting plate is rotationally connected with a second supporting plate. The upper surface of the second supporting plate and the upper surface of the first supporting plate are each provided with a fixed frame. The lower end of a bolt penetrates through the second supporting plate to make contact with the upper surface of the rotating table. By means of the elbow machining device beneficial for clamping at different angles, when elbow machining is performed at different angles, the second supporting plate can be rotated at a proper angle on the first supporting plate, the angle between the fixed frame on the two sides is controlled to correspond to the angle of a machined elbow, theelbow is tightly fixed by screwing the bolt, and the elbow can be conveniently clamped at different angles during machining.

The invention relates to a die-casting die and a method for delay ejection of lateral die sinking. The die-casting die comprises a movable die, a fixed die, a movable template and a fixed template, wherein the movable die is embedded and fixed at the lower end of the movable template; the fixed die is embedded and fixed at the upper end of the fixed template; a slide block is arranged at one side of the fixed die; a friction block is fixedly arranged on the fixed template at one side of the slide block; a slide block seat is arranged at the upper end of the friction block; the slide block seat is fixedly connected with the slide block; a thimble push plate is vertically arranged on the friction block at the left side of the slide block seat; a plurality of thimbles are horizontally arranged on a thimble fixing plate evenly; the thimbles rightwards pass through the slide block seat and the slide block and are communicated with a die cavity of the fixed die; a cylinder is arranged at the left side of the friction block; a push rod of the cylinder is connected with the right end of the slide block seat; an inclined guide post is arranged on the movable template, and a push plate lock block is fixedly arranged at the left lateral wall of the movable template. The die-casting die is simple in structure, reliable to operate, and simple to operate, and the quality of the product is ensured.

The invention relates to the technical field of concrete recycling, and discloses a multi-stage environmentally friendly crushing device for concrete waste. The multi-stage environmentally friendly crushing device comprises a crushing box, wherein the upper surface of the crushing box is provided with a feed inlet on the left side, the top of the crushing box is provided with an electromagnet, theupper parts of the left and right side walls of the crushing box are provided with hydraulic cylinders, piston rods of the hydraulic cylinders are fixedly connected to extrusion plates, the middle parts of the left and right side walls of the crushing box are provided with second rotating seats that are rotatably connected to the upper parts of support plates, the middle parts of the lower surfaces of the support plates are rotatably connected to the piston rods of the cylinders, the lower ends of the cylinders are provided with first rotating seats that are rotatably connected to the lower part of the crushing box, the lower part of the left side wall of the crushing box is provided with a drive motor, and the output shaft of the drive motor is fixedly connected to a first bevel gear. The invention is suitable for a multi-stage environmentally-friendly crushing device for concrete waste. The extrusion plates are arranged on the upper part of the device to first crush large pieces ofconcrete and separate steel bars in the concrete.

The invention provides an adjusting mechanism for a steering tubular column. The adjusting mechanism comprises a connecting bolt, an adjusting handle, a cam, fixing supports, a steering tubular column assembly, a lower support, an axial friction plate set and a radial friction plate set. The fixing supports are fixedly connected with an automobile cross beam. The two side walls of the lower support are inserted between the two side walls of the fixing supports and fixedly connected with the steering tubular column. The front portions and the rear portions of friction plates of the axial friction plate set are connected with the left side wall of the lower support through first buckles and hinge bolts. The upper portions of friction plates of the radial friction plate set are connected with the left side walls of the fixing supports through second buckles. Each friction plate of the radial friction plate set is inserted between every two adjacent friction plates of the axial friction plate set. The connecting bolt penetrates through bolt through holes in the adjusting handle and the cam, penetrate through bolt through holes in the axial friction plates and long holes in the radial friction plates, penetrate through long holes in the left side walls of the fixing supports, bolt through holes in the left side wall and the right side wall of the lower support and long holes in the left side walls of the fixing supports to be connected with a self-locking nut.

The invention discloses a matrix assisted laser desorption ion source laser and imaging integrated system. The system comprises a lens cavity, whose bottom wall is provided with a light hole; an electronic lens is fixed under the lens cavity and shares the same central axis with the lens cavity; a left lens installation hole and a right lens installation hole are arranged in two sides of the bottom wall; the left lens installation hole, right lens installation hole, and the central axis of the light hole are in the same plane, the included angle [alpha] between the left lens installation hole and the central axis of the light hole is equal to the included angle [alpha] between the right lens installation hole and the central axis of the light hole; the intersection point of the left lens installation hole, right lens installation hole, and central axis is on the center point of a sample target under the electronic lens; the right lateral wall of the lens cavity is provided with a CCD imaging lens, the main optical axis is overlapped with the central axis of the right lens installation hole, an optical channel is arranged between a light inlet and a light outlet of the right lens installation hole, a reflected light convex lens is arranged on the light outlet of the right lens installation hole; an optical fiber head position adjusting device is arranged on the left lateral wall of the lens cavity, the main optical axis of the optical fiber head position adjusting device is overlapped with the central axis of the left lens installation hole, and the light inlet and light outlet of the left lens installation hole are respectively provided with a light inlet convex lens and a light outlet convex lens.

The invention relates to the technical field of welding tools, in particular to a supporting and fixing device for welding of pipe fittings. The supporting and fixing comprises a bottom plate, two sets of fixed frames are arranged at the top of the bottom plate, top frames are fixedly connected to the tops of the fixed frames, rotating rods are arranged on left and right sides in the fixed frames,and bottoms of the rotating rods are rotationally connected with bottoms of inner sides of the rotating rods; the top of each rotating rod penetrates through the top of the fixed frame, the bottom ofeach rotating rod is connected with a worm wheel, the front side of the worm wheel is engaged with a worm, a left end of the worm is rotationally connected with a left side wall of the top frame, anda right end of the worm penetrates through a right side wall of the top frame, and a right side of the worm is connected with a handle; and external threads are oppositely arranged on the upper end and the lower end of each rotating rod. The supporting and fixing device disclosed by the invention is novel in design and convenient to use, not only can the rotation of the pipe fitting be realized,but also the alignment at the interface of the pipe fitting is convenient, and the welding of the pipe fitting is facilitated; in addition, the device is also convenient to move and fix, stronger in applicability and suitable for popularization and use.