87results about How to "Improve deformation" patented technology

The application relates to the technical field of machining equipment, in particular to a deep drilling device for elbow curved rods, which comprises an assembling shell, a hydraulic cylinder is embedded at the top end of the assembling shell, a pressing mechanism is connected to the power output end of the hydraulic cylinder, and a sliding groove is arranged on the abutting surface of the assembling shell and the pressing mechanism. The winding equipment body winds and unwinds the cable, so that the electromagnet connected with the connector through the thread is penetrated into the rod piece. When the hydraulic rod drives the inclined block to press and bend the rod piece, the bearing capacity is improved through the support of the electromagnet, so that the excessive pressing and bending of the rod piece is avoided, the deformation of the rod piece is avoided, the product quality is affected, the electromagnet is connected with the connector through the thread, the electromagnet is convenient to disassemble and assemble, the electromagnet with the diameter size suitable for the rod piece is replaced, the applicability is improved, the rod piece is conveniently attracted after the electromagnet is electrified through the cable, the sliding condition is avoided, the pressing and bending quality is affected, when the electromagnet is not worked, the connector is tightened in the connecting hole through the winding equipment body, and the rod piece is conveniently placed and corresponds to the electromagnet.

The invention relates to the technical field of medical instruments, and discloses a micro catheter. Wherein the microcatheter is sequentially provided with a lining tube and a high polymer material layer from inside to outside in the radial direction, a variable-diameter section is arranged at the far end of the microcatheter, a small-diameter section is arranged on one side of the far end of the variable-diameter section, and a large-diameter section is arranged on one side of the near end of the variable-diameter section; the high polymer material layer comprises a first hardness area, a second hardness area and a third hardness area which are sequentially arranged from the far end to the near end, the first hardness area is located on a part of the small-diameter section, the second hardness area is located on the other part of the small-diameter section, the variable-diameter section and a part of the large-diameter section, and the third hardness area is located on the other part of the large-diameter section; the hardness of the first hardness area is smaller than that of the second hardness area, the hardness of the second hardness area is smaller than that of the third hardness area, and smooth transition of different hardness materials of the large-diameter section and the small-diameter section of the microcatheter is achieved; the flexural rigidity of the reducing section is reduced, so that the change value of the flexural rigidity is reduced, the stress concentration is reduced, and the reliability of the microcatheter is improved.

The invention discloses a method for reducing stress of a semiconductor. The method comprises the following steps: placing the semiconductor between two glass substrates; wherein the two glass substrates are oppositely arranged, and the contact surface of at least one glass substrate and the semiconductor is coated with UV glue; irradiating the UV glue for the first time by using ultraviolet light, so that the semiconductor and the UV glue are bonded together; carrying out sealing treatment on the semiconductor and the two glass substrates, placing a formed sealing structure in deionized water, and carrying out oscillation treatment by utilizing ultrasonic waves; the vibrated sealing structure is taken out of the deionized water to be dried, and the dried sealing structure is subjected to deblocking treatment; and irradiating the UV glue for the second time by using ultraviolet light, so that the semiconductor is separated from the UV glue. By adopting the technical scheme of the invention, the residual stress generated in the processing process of the semiconductor can be effectively reduced, so that the deformation of the semiconductor caused by the residual stress is improved, and the working performance of the semiconductor is prevented from being influenced.

The application discloses a solar cell and a printing plate assembly. The solar cell comprises a plurality of sub-grid lines extending along a first direction, the plurality of sub-grid lines are arranged in a plurality of rows and a plurality of columns, a plurality of odd-numbered column sub-grid lines correspond to each other, a plurality of even-numbered column sub-grid lines correspond to each other, the even-numbered column sub-grid lines have an offset along the column direction relative to the odd-numbered column sub-grid lines, at least one main grid line extending along a second direction, the first direction intersects the second direction, the main grid line comprises a first lap portion and a second lap portion, the first lap portion and the second lap portion are alternately arranged along the second direction, so that the first lap portion laps the odd-numbered column sub-grid line, the second lap portion laps the even-numbered column sub-grid line, the first lap portion and the second lap portion are connected, adjacent the first lap portion and the second lap portion have a first interval along the first direction, so that the odd-numbered column sub-grid line and the even-numbered column sub-grid line have a second interval along the first direction.

This invention discloses an auxiliary hoisting device for a power line inspection drone, relating to the field of power line inspection technology. The invention includes a hoisting mechanism composed of hoisting arms symmetrically arranged on both sides of a platform. Fixed rods are symmetrically arranged on both sides of the hoisting arms. A fixed seat is fixedly connected to the end of the hoisting arm away from the platform. A connecting plate is fixedly connected to the inner wall of the fixed seat. A placement mechanism is arranged on the side of the connecting plate away from the fixed seat. The placement mechanism includes a housing, which is cone-shaped. A camera used for power line inspection is placed inside the housing. The housing has a streamlined outer surface, which reduces air resistance when the drone carries the housing, thus avoiding affecting the drone's flight efficiency. The fixed rods symmetrically arranged on both sides of the hoisting arms improve the connection strength between the hoisting arms and the platform, preventing the hoisting arms from bending due to air resistance, and thus preventing the housing from swaying and affecting the inspection effect.

The utility model belongs to positioning device technical field especially is rebound apparatus positioning device for concrete strength detection, including the guide sleeve of rebound apparatus main part, the inside surface of guide sleeve is installed with annular array's support wheel, and support wheel sets up two layers, the end of guide sleeve is fixed with the biaxial digital display inclination instrument for measuring angle, the outer surface of guide sleeve annular array distribution has four support rods, the outside of support rod is rotatably connected with the outer sleeve tube, the outer sleeve tube end sets up screw hole and is screwed with hand screw, and the end of hand screw and the outer surface of support rod contact, increased the stability that guide sleeve moved on rebound apparatus, the angle of guide sleeve is measured to biaxial digital display inclination instrument, thereby the angle of rebound apparatus is adjusted along with guide sleeve, is convenient for adjusting the position of outer sleeve tube, realizes the purpose that guide sleeve angle is adjusted.

The welding clamp comprises a base, a supporting plate, two pressing mechanisms and a plurality of positioning mechanisms, the supporting plate is arranged above the base, the two pressing mechanisms are symmetrically arranged at the two ends of the supporting plate, and the positioning mechanisms are symmetrically arranged in the middle of the base; the pressing mechanism comprises a first air cylinder and a second air cylinder. The positioning mechanism comprises a clamping device and a positioning plate with a positioning hole. The welding method comprises the steps that A, a high-pressure oil pipe body and an assembly are installed on a welding clamp; b, the position of the assembly is limited through a positioning piece, and diagonal positioning of symmetrical holes is achieved; c, welding assemblies in the middle of the high-pressure oil pipe through laser welding, and then welding the assemblies from the middle to the periphery in a symmetrical welding sequence; and D, after welding is completed, the welded high-pressure oil pipe is taken out of the welding tool. Rigid constraint can be weakened, welding stress can be dispersed and reduced, and welding of the high-pressure oil pipe is simpler.

According to the clinical leg fixing device for the orthopedics department, handles are fixedly installed on the two sides of an operating bed, and a fixing assembly is detachably fixed to one handle; the fixing assembly comprises a base, the base is placed on the operating bed, two pairs of fixing heads are symmetrically fixed to the two sides of the base, a fixing strip is fixed to the pair of fixing heads on one side through first bolts, and the fixing strip is fixed to one handle through second bolts; a supporting seat is arranged on the base in a sliding manner, and a moving assembly is arranged between the base and the supporting seat, so that the supporting seat can freely move on the base; two lifting grooves are formed in the supporting base, lifting strips are arranged in the lifting grooves in a sliding mode, a supporting roller is fixed to the tops of the lifting strips together, a threaded hole is formed in one side of the supporting base, threads are arranged in the threaded hole, the threaded hole is in threaded connection with a locking bolt, and the locking bolt presses one lifting strip to achieve position locking.

The utility model provides a plucked musical instrument with a lattice-shaped structure filled in a musical instrument body, which is used for solving the problem of how to maintain and further improve the acoustic quality of the musical instrument while effectively reducing the weight of the musical instrument in the prior art. A hollow part on a guitar body is filled with a lattice-shaped structure; on the premise of reducing the weight of the guitar body, the plurality of small cavities formed in the lattice-shaped structure enable the guitar body to generate dispersed resonance peak values and mutually compensate frequency responses, so that the excessive protrusion phenomenon of a certain frequency band is reduced, and the acoustic balanced output is enhanced, thereby ensuring the smooth transition of high, medium and low frequencies and the balance of the whole timbre; and the lattice structure can uniformly share vibration and stress in the normal direction and the direction perpendicular to the normal direction, and can also realize multidirectional damping through node internal friction, that is, lattice filling adds internal support while removing part of wood, so that the bending resistance and the pressure resistance of the guitar body are enhanced, and the mechanical distribution of each part of the guitar body is balanced.

The invention relates to the field of electrophysiological catheters, in particular to a balloon catheter, a catheter electrode assembly and a flexible circuit board of the catheter electrode assembly. The flexible circuit board of the catheter electrode assembly comprises an insulating substrate which is used for being attached to the surface of a balloon body of a balloon catheter; the electrode plate is fixed on the insulating substrate, and the electrode plate is used for transmitting electric energy; the conductive circuit is attached to the surface of the insulating substrate, and the conductive circuit is connected with the electrode plate to realize electric energy transmission; the circuit insulating layer is arranged corresponding to the conductive circuit, the circuit insulating layer covers the conductive circuit, and the insulating substrate is provided with an exposed area which is not covered by the circuit insulating layer. The catheter electrode assembly mainly solves the technical problems that the flexible circuit board of the catheter electrode assembly is prone to being separated from the capsule body, and the flexible circuit board can limit the capsule body to form a small diameter after the capsule body shrinks.

The present application relates to a fuel cell, in a case where a part of a separator functions as a seal for preventing fluid leakage, it is necessary to ensure the deformation performance of the part. The fuel cell is provided with: a power generation portion including a membrane electrode assembly; a frame-shaped insulating member surrounding the outer periphery of the power generation portion; and a first separator and a second separator sandwiching the power generation portion and the insulating member in a stacking direction. The first separator is provided with a first spring portion protruding toward the insulating member from a first opposing surface opposite the insulating member, the second separator is provided with a second spring portion protruding toward the insulating member from a second opposing surface opposite the insulating member, the first spring portion and the second spring portion have respective shapes that are not symmetrical across the insulating member, and the insulating member is sandwiched between the first spring portion and the second spring portion.

This invention relates to a large-size, high-density, high-carbon, high-silicon hot-rolled round steel bar and its preparation method. The chemical composition of the hot-rolled round steel bar, by weight percentage, includes: C: 0.60%~0.70%, Si: 1.70%~1.95%, Mn: 0.80%~0.90%, P≤0.015%, S≤0.015%, Cr: 0.80%~0.90%, Ni: 0.20%~0.25%, Mo: 0.05%~0. 0.10%, Al: 0.015%~0.035%, N: 0.0045%~0.010%, with the remainder being Fe and unavoidable impurities; it can balance toughness and wear resistance, and under the high carbon, high silicon, and high chromium composition system, it can effectively improve the internal density of hot-rolled round steel with a maximum φ110mm specification, meet the stringent flaw detection requirements of equivalent "≤φ1.3", and is suitable for the high-strength and high-wear working conditions of coarse copper ore grinding balls.

The utility model relates to the sealing device field for door, especially prevent clamping prevent dragging rubber strip subassembly and door. Through the support limit top edge of inside and / or outside of sensitive element installation cavity of setting on at least one of the pair of two anti -pinch rubber strip, and the other anti -pinch cooperation in the front -back direction, in two anti -pinch rubber strip sealing cooperation state, through the support of support limit top edge, the pair of two anti -pinch rubber strip is limited in the front -back direction, can limit the distance between the sensitive element of one anti -pinch rubber strip and another anti -pinch rubber strip main part, avoid because the body vibration leads to two anti -pinch rubber strip to further close and misfire sensitive element, lead to misfire, so need not to carry out signal shielding to sensitive element, in the door closed state two anti -pinch rubber strip between clamping the situation such as belt or rope, sensitive element can also be triggered and deliver to vehicle controller signal, realize prevent dragging function.

The utility model relates to the technical field of phosphorus removal agents, and discloses an efficient phosphorus removal agent reaction device which comprises a reaction box, a processing box is fixedly connected to the top of the reaction box, rotating discs are rotatably connected to the inner walls of the two sides of the processing box, extension columns are fixedly connected to the sides, close to each other, of the two rotating discs, and the extension columns are fixedly connected to the top of the reaction box. A connecting column is fixedly connected to the sides, close to each other, of the two extending columns, a beating roller is fixedly connected to the outer portion of the connecting column, a first motor is fixedly connected to one side of one rotating disc, pulling rods are rotatably connected to the outer portions of the extending columns, and a screen is rotatably connected to the bottoms of the two pulling rods; and an elastic component is mounted at the bottom of the screen. According to the utility model, the dephosphorization agent is prevented from caking through the rotation of the beating roller, and the reaction efficiency is improved. The extension column drives the pull rod to move to push the screen to filter sewage and generate vibration, so that the screen is effectively prevented from being blocked, and the filtering effect is improved.

The utility model belongs to the technical field of power transmission cable, disclose a kind of high-rise building pre-branch flexible bus, including main cable, branch cable, C type clamp connecting piece, branch junction box and fixed clamp;The main cable is equipped with multiple branch points along length direction;The first conductor in the main cable is electrically connected at branch point with the end of the second conductor in the branch cable;The outer peripheral wall of the first conductor of the branch point of the main cable is arranged with the end of the second conductor wrapped by the C type clamp connecting piece;The end of the branch point and branch cable is arranged with the branch junction box wrapped;The fixed clamp is arranged on wall surface, for fixing main cable and branch cable.The utility model's technical scheme is easy to lay installation, solve the problem of traditional hard copper row busbar installation difficult, greatly reduce the construction period, save cost, and good fireproof performance.

This utility model discloses a gait trainer, which includes a support frame arranged on the left and right sides, a turntable between opposite sides of the support frame, and flexible horizontal obstacle columns on opposite sides of the turntable. The horizontal obstacle columns are circumferentially distributed around the edge of the turntable, and a manual crank is provided in the center of the turntable. This utility model has a simple structure that is beneficial for gait training of rehabilitation patients and the elderly, and at the same time, it is beneficial for hand-foot coordination training.

The utility model provides an integrated button structure of printer and printer, including the shell body, the shell body is provided with the button position, the button position is partially hollow, the hollow part of the button position is provided with the pressing body and the elastic arm, one end of the elastic arm is connected with the pressing body, the other end of the elastic arm is connected with the button position, and the other end of the elastic arm is connected with the button position. One end of the elastic arm is connected with the pressing body, the other end of the elastic arm is connected with the inner wall of the hollow part of the key position, a gap is formed between the pressing body and the inner wall of the hollow part of the key position, the pressing body and the elastic arm are integrally formed, and the elastic arm and the shell body are integrally formed. By arranging the partially-hollowed-out key position on the shell body, when the shell is formed, the pressing body of the hollowed-out part is connected with the inner wall of the hollowed-out part through the elastic arm, the pressing body and the shell body are formed into a whole, the elastic arm provides reset force and connection limiting, the structure is more compact, excessive free shaking is avoided, additional assembly is not needed, and the cost is reduced. The production efficiency can be improved, independent mold opening for the key is not needed, and the production cost can be saved.

The application belongs to the technical field of connectors, and particularly relates to a wire-to-board connector. The wire-to-board connector comprises a shell, a terminal assembly and a terminal locking assembly. The terminal assembly comprises a first terminal arranged in an upper accommodating cavity and a second terminal arranged in a lower accommodating cavity. The terminal locking assembly comprises a first terminal locking piece and a second terminal locking piece. The first terminal locking piece is used for limiting the movement of the first terminal in the front-rear direction. The second terminal locking piece is used for limiting the movement of the second terminal in the front-rear direction. The first terminal locking piece and / or the second terminal locking piece has first outer side faces and second outer side faces alternately arranged in the length direction on the side opposite to the shell. The first outer side faces and the second outer side faces are at different height positions. The application effectively improves the deformation problem after injection molding by alternately arranging the first outer side faces and the second outer side faces at different height positions on the first terminal locking piece and / or the second terminal locking piece, and reduces the assembly difficulty.

The invention belongs to the technical field of connectors, and particularly relates to a wire-to-board connector which comprises a shell, a terminal assembly and a terminal locking assembly. The terminal assembly comprises a first terminal arranged in the upper containing cavity and a second terminal arranged in the lower containing cavity, the terminal locking assembly comprises a first terminal locking piece and a second terminal locking piece, the first terminal locking piece is used for limiting the first terminal to move in the front-back direction, and the second terminal locking piece is used for limiting the second terminal to move in the front-back direction. One side of the first terminal locking piece and / or the second terminal locking piece back to the shell is provided with a first outer side surface and a second outer side surface which are alternately arranged along the length direction, and the first outer side surface and the second outer side surface are positioned at different height positions. According to the invention, the first outer side surfaces and the second outer side surfaces at different height positions are alternately arranged on the first terminal locking member and / or the second terminal locking member, so that the problem of deformation after injection molding is effectively improved, and the assembly difficulty is reduced.

The utility model belongs to the technical field of bridge engineering, and particularly relates to an integral anchoring guide rail type bridge seamless expansion device, which comprises a fixed end component, a fixed end component and a fixed end component, the sliding end assembly is fixedly arranged at the other end in the bridge parting, and the sliding end assembly is in sliding connection with the fixed end assembly; the liquid waterstop is arranged between the top end of the fixed end assembly and the top end of the sliding end assembly; and the rubber water stop assembly is arranged in the bridge parting seam and located between the bottom end of the fixed end assembly and the bottom end of the sliding end assembly. A guide rail type telescopic structure is adopted, the requirement for telescopic deformation of the bridge is met, meanwhile, a continuous seamless road surface is formed, and the bridge water stop structure has the advantages of being smooth in vehicle running, low in noise, good in water stop effect, good in durability and the like and is particularly suitable for urban bridges and bridges high in noise control requirement.

The invention discloses a dustproof and moistureproof flexible driving heat dissipation device which comprises a mounting base, a heat dissipation cover plate, a driving arm and a driving connecting rod, heat dissipation holes are formed in the mounting base, the heat dissipation cover plate is used for covering or opening the heat dissipation holes, and the mounting base is rotationally connected with the heat dissipation cover plate through at least two rotary connecting structures to form a parallelogram structure. The mounting base is in transmission connection with the heat dissipation cover plate through a U-shaped driving arm, one end of the driving arm is fixedly connected with the mounting base, and the other end of the driving arm is fixedly connected with a driving connecting rod. According to the invention, illumination and heat can drive the CNT-Nafion / PE double-layer driver to deform and enable the heat dissipation holes to be opened or closed, and the projection of the heat dissipation cover plate on the mounting base when the heat dissipation cover plate is opened and the projection of the heat dissipation cover plate on the mounting base when the heat dissipation cover plate is closed can completely cover the heat dissipation holes. A macroscopic large-amplitude bending stroke can be generated by using extremely small temperature change, and the opening degree requirement of opening of a heat dissipation channel is met.

The utility model provides a filling module of a distribution box, which comprises a filling piece, and a first clamping block and a second clamping block which are arranged on two sides of a bottom plate of the filling piece, the first clamping block and the second clamping block oppositely form a clamping groove for clamping a guide rail in the distribution box, and the side surface of the filling piece is provided with a connecting branch part positioned in the middle of the filling piece. The first elastic arm and the second elastic arm are arranged on the upper side and the lower side of the connecting branch part respectively, and the first elastic arm, the connecting branch part, the second elastic arm and the second clamping block are integrally connected, so that during disassembly, the first elastic arm is pressed inwards to enable the second elastic arm to do warping movement with the connecting branch part as a fulcrum; in this way, disassembly and assembly are rapid and convenient, the disassembly and assembly efficiency is improved, and more convenience is brought to a user in use.

The present application relates to a kind of whole winding forming wind force rotary drum structure and its preparation method, including mould, comprising: intermediate transition structure;Cap type structure, including cap type longitudinal reinforcement and cap type ring reinforcement;Adjustable precision tooling, including: concentric shaft one and concentric shaft two, concentric shaft one and concentric shaft two are connected by flange and intermediate transition structure centering;Two support structures are respectively detachably set on concentric shaft one and concentric shaft two;Multiple sets of adjusting structure are respectively set on concentric shaft one and concentric shaft two, for the adjustment roundness of cap type ring reinforcement;Wherein, cap type ring reinforcement is set on the outside of adjusting structure, cap type longitudinal reinforcement is set on the outside of cap type ring reinforcement, support structure and intermediate transition structure.The present application utilizes cap type structure and intermediate transition structure to form a set of preparation mould, realizes the whole winding preparation of outer cylinder, saves cost, improves preparation efficiency, and improves the mechanical properties of overall structure.

The embodiment of the present application provides a lower vehicle body frame assembly and a vehicle, the lower vehicle body frame assembly is used for the vehicle, and the lower vehicle body frame assembly comprises a frame body, a footrest connected to one side of the frame body, and a rear cross beam connected to the side of the frame body far from the footrest, wherein the frame body, the footrest and the rear cross beam are integrally formed. In the present application, when the frame body resists external impact force, the footrest and the rear cross beam can assist the frame body to resist a certain impact force, the ability of the lower vehicle body frame assembly to resist impact force can be improved, the overall deformation of the front floor can be improved, and the safety of the lower vehicle body frame assembly can be improved.

The application belongs to the technical field of medical devices, and discloses an atomization mask which comprises a sealing member and a supporting member, the sealing member has a fitting end for fitting a patient's face and a supporting end opposite to the fitting end, the fitting end is provided with an accommodation port capable of simultaneously accommodating the patient's mouth and nose, the supporting end is provided with a convex portion capable of covering at least part of the patient's nose and a mounting port located below the convex portion, the supporting member is arranged in the mounting port and jointly spliced with the sealing member to form a delivery cavity, the supporting member is provided with a connecting hole for connecting an atomization cup, the connecting hole is in communication with the delivery cavity, the rigidity of the supporting member is greater than that of the sealing member, thereby increasing the deformation ability of the sealing member, so that the sealing member can adapt to the nose contours of various patients, the sealing property between the atomization mask and the patient's face is increased, and the atomization treatment effect on the patient is ensured.

The application discloses an anti-collision wall reinforcing steel bar positioning jig and a positioning method, which comprise a reinforcing plate, a back ridge, an adjusting pile and a face plate. The adjusting pile is arranged to make the two side ends of the fixing rod be placed at different positions above the concave seat, thereby assisting in controlling the front and back spacing variation of the face plate. The movable body is arranged. A person presses the pressing handle. The pressing frame is pressed to conduct the pressure to the clamping block, so that the clamping block is inlaid into the sliding groove. The movable body is deformed. Then, the person drives the movable body to displace along the side opening until the clamping opening and the side end of the reinforcing steel bar are mutually sleeved. The person releases the pressing handle to fix the position of the clamping buckle structure, thereby realizing the fixation and installation of the reinforcing steel bar. The connecting ring is arranged. The supporting structure can generate flexible supporting force between the outer ring and the inner ring. The inner ring is matched with the flexible adhering block. The diameter of the clamping opening can be flexibly changed. The reinforcing steel bars with different diameters can be more flexibly buckled and pressed.

The invention belongs to the technical field of anti-impact protection engineering and intelligent material application, and particularly relates to an active self-adaptive high-impact-resistant buffering device based on the synergistic effect of foamed aluminum and a dielectric elastomer. According to the device, foamed aluminum and a dielectric elastomer are innovatively combined, and an energy absorption-immobilization dual protection mechanism is constructed; a foamed aluminum layer performs passive energy absorption by utilizing buckling deformation of a porous structure, so that effective attenuation of an impact load and uniform distribution of stress are realized; the dielectric elastomer layer is used as an intelligent soft material, a control algorithm is introduced, remarkable electrodeformation and variable stiffness characteristics are generated along with the increase of the electric field intensity under impact, and active expansion hardening is carried out to fill structural gaps generated after foamed aluminum deformation. Compared with a traditional passive protection technology, the buffering device has the advantages that efficient buffering is achieved, meanwhile, equipment displacement and oscillation caused by deformation of the buffering layer are effectively prevented, secondary impact caused by rebounding of the buffering structure after impact can be effectively restrained, and the reliability of test data and the survivability of equipment in the high-impact environment are remarkably improved.

This invention relates to a surface-supported cooling device for the initial stage of the secondary cooling zone in ultra-high-speed continuous casting of small billets. It includes a crystallizer copper plate, a cooling water jacket, and a secondary cooling zone located below it. An initial secondary cooling zone, serving as a connecting section, is provided between the crystallizer copper plate and the secondary cooling zone. The initial secondary cooling zone includes a cooling grid surrounding the billet, forming a surface-supported relationship with the billet surface. Multiple through holes are provided on the grid for the cooling medium to pass through. The cooling grid is fixedly connected to an external support structure via outwardly extending ribs. Guide plates are also provided on the ribs, arranged at an angle to the billet casting direction to guide the cooling water sprayed onto the billet surface for directional flow and discharge. In the area between adjacent guide plates, nozzles are arranged facing the billet surface for spraying cooling medium onto the billet.

The application relates to the technical field of automobile part detection tooling, in particular to a shock absorber support welding inspection tooling which comprises a rack, two installation openings are formed in the rack, the installation openings pass through the opposite surfaces of the rack, the two installation openings correspond to the positions of preset holes processed in the shock absorber support, a plurality of supporting rods for pressing the inner walls of the preset holes processed in the shock absorber support are arranged in the installation openings, the plurality of supporting rods are arranged in the vertical direction, the plurality of supporting rods are equidistantly arranged along the circumferences of the installation opening axes, and a driving assembly for driving the plurality of supporting rods to synchronously expand outward or synchronously contract is arranged below the rack. The application has the effects of improving the problems of time-consuming and labor-consuming and easy deformation of workpieces caused by the bolt pressing plate type locking, and the problems of large space occupation and easy cumulative error caused by the secondary positioning required by the separation type positioning and clamping.

The utility model provides a detection valve, which comprises: a valve body, the inner wall of its pipe body forms a support wall and a bent sealing wall; a valve core, which includes a valve rod received in the pipe body, a connecting wall formed at the bottom end of the valve rod, and a flanging bent upward from the connecting wall; the valve rod, the connecting wall and the flanging jointly enclose a sealing groove; a valve rod latch, sleeved on the top end of the valve rod, enabling the first support step to be clamped in the clamping groove, and forming a sliding connection with the pipe body, a first channel is arranged between the valve rod latch and the pipe body; the connecting wall and the flanging are both located below the support wall, and the sealing wall extends into the sealing groove, a second channel is arranged between the sealing wall and the valve rod; a spring, the two ends of which respectively abut against the second support step and the support wall; a sealing ring, installed in the sealing groove and matching the size of the sealing groove, when the valve core is in a reset state, the sealing wall presses against the upper end face of the sealing ring. Compared with the related technology, the detection valve of the utility model has a long service life and stable sealing performance.