215results about How to "Improve installation strength" patented technology

The invention discloses a high-strength pull rod screw for braking, and relates to the field of automobiles. The lower end of a butt joint connecting part assembly is fixedly connected with a pull rod screw end body; a built-in preset oil supply channel is formed in the butt joint connecting part assembly and the pull rod screw end body, a second attaching sealing layer is bonded to the upper end of the built-in preset oil supply channel in a butt joint mode, and a vertical guide reserved groove is formed in the lower end of the outer side of the butt joint connecting part assembly. According to the high-strength pull rod screw for braking, the abutting reserved butt joint piece at the lower end makes contact with the interior of a brake disc to abut against and move inwards, so that the transverse locking supporting piece making contact with the abutting reserved butt joint piece is pressed through the inclined face of the abutting reserved butt joint piece, and the transverse locking supporting piece is pushed to move outwards along the interior of the butt joint connecting part assembly; and the transverse locking supporting pieces on the outer sides of the screw holes abut against the interiors of the screw holes for secondary positioning, and therefore the installation strength and stability of the whole screw are efficiently improved.

The utility model discloses an adjustable tracheotomy cannula plugging cap, which belongs to the field of adjustable tracheotomy cannula plugging, and comprises a plugging assembly, the plugging assembly comprises a plug, the upper end of the plug is respectively provided with a first through hole and a mounting groove, a mounting piece is mounted in the mounting groove, the upper end of the mounting piece is rotatably connected with a plurality of plugging pieces, and the plugging pieces are connected with the plug. According to the tracheostomy tube plugging device, the tracheostomy tube can be plugged through the plugging assembly, meanwhile, the air inlet amount of the tracheostomy tube can be accurately adjusted, tracheostomy tubes of various sizes can be plugged, the tracheostomy tube plugging device is simple in structure and convenient to use, and the tracheostomy tube plugging device is suitable for being popularized and applied. In addition, through mutual cooperation of the structures, the plugging cap and the tracheostomy sleeve can be connected in a sealed mode and sealed multiple times, and therefore the practicability of the plugging cap can be improved.

The utility model discloses an embedded part auxiliary positioning device for photovoltaic power generation engineering construction, and relates to the technical field of photovoltaic power generation engineering, a telescopic groove is arranged at a position between two adjacent flexion and extension side plates, flexible rubber pads are arranged at the inner side edge ends of the flexion and extension side plates, the flexion and extension side plates form a sleeve structure, and the flexible rubber pads are arranged in the sleeve structure. A threaded ring is arranged at the edge end of the outer side of the flexion and extension side plate, and a threaded extrusion sleeve is connected to the outer side of the flexion and extension side plate through the threaded ring, so that the mounting disc can be conveniently and quickly clamped to the top of the foundation pile, adaptive limiting clamping can be performed according to the shape of the foundation pile, the stability of the mounting disc during mounting and fixing is guaranteed, and the mounting disc is prevented from being damaged. And meanwhile, different foundation piles can be conveniently and adaptively fixed according to requirements, meanwhile, the different foundation piles can be conveniently and rapidly positioned through a horizontal ruler, an automatic winding barrel, a positioning ruler belt, a positioning disc and a gradienter, and the levelness of subsequent installation of the embedded part on the two foundation piles is guaranteed, so that the installation precision of the embedded part is improved, and operation is convenient and fast.

The fender anti-collision structure for the draught fan foundation comprises annular rubber fenders used for being installed on the left side and the right side of a draught fan foundation berthing ladder stand, the annular rubber fenders are provided with a plurality of sections of fender single bodies in the length direction, and the multiple sections of fender single bodies are detachably connected; and each fender single body is detachably connected to the berthing pile through a hoop assembly. The fan foundation has the effect of prolonging the service life of the fan foundation.

The utility model provides a fan blade installation structure and a lamp fan with the fan blade installation structure, and belongs to the technical field of fan blade installation, the fan blade installation structure comprises a fixing base, a blade, a first clamping assembly, a second clamping assembly, a first elastic piece and a second elastic piece, the blade is provided with an inserting groove and an inserting hole; the first clamping assembly comprises a rotating shaft, a rotating piece rotationally connected with the fixing base through the rotating shaft and a clamping hook arranged at the bottom of the rotating piece in a protruding mode, and the clamping hook is used for being matched with the inserting groove. The second clamping assembly comprises a plug connector capable of moving up and down, and the plug connector is used for being matched with the insertion hole; the first elastic piece is connected to the rotating piece and has a pre-tightening force for enabling the clamping hook to extend into the slot; and the second elastic piece is connected to the plug connector and has pretightening force for enabling the plug connector to extend into the jack. The lamp fan comprises a rotating disc and a plurality of fan blade mounting structures.

The utility model relates to the field of artificial turfs, and particularly discloses an artificial turf auxiliary unwinding and laying device which comprises a device body, and a first lug plate, a fixing plate and a second lug plate are symmetrically arranged on the two sides of the upper end of the device body respectively. In actual use, one end of a lawn is fixed through a fixing piece, then a second motor and a hydraulic rod are started to put a compression roller on the lawn, at the moment, a first motor is started to enable an unwinding roller to slowly unwind the lawn, and meanwhile the device body is moved to enable the rear compression roller to compact the laid lawn while unwinding is conducted; and when the lawn laying deviates, the distance measuring sensor gives an alarm to remind a worker of adjusting to prevent deviation during laying, so that the lawn laying precision is improved, and meanwhile, the mounting strength during laying is improved.

The utility model belongs to the technical field of sighting telescope machining, and particularly relates to a sighting telescope machining positioning tool which comprises a supporting frame, a heat dissipation box is fixedly installed in the middle of the supporting frame, a first motor is fixedly installed at the bottom of an inner cavity of the heat dissipation box, and fan blades are movably installed on the top of the first motor. A filter disc is fixedly mounted on the surface of the heat dissipation box; through the arrangement of the supporting frame, the whole device can be conveniently lifted to a certain height so as to facilitate subsequent machining, through the arrangement of the heat dissipation box, the machined sighting telescope component can be conveniently cooled in time, so that the machining speed of the component is increased, the machining efficiency is improved, through the arrangement of the first motor, fan blades are conveniently driven to rotate, and the machining efficiency is improved. Through the arrangement of the filter disc, the situation that pollutants enter the heat dissipation box, and consequently the rotation quality of the fan blades is affected can be reduced.

The present invention provides a joint for a composite gas cylinder with a plastic liner, which relates to the technical field of pressure vessel manufacturing, and comprises a joint body and a sealing ring. The joint body is cylindrical and provided with a through hole for gas to pass through, and one end of the joint body is provided with an annular mounting groove, which is arranged between the inner and outer side walls of the joint body, and the mounting groove is used to accommodate the bottle mouth of the gas cylinder liner and is in sealing contact with and fixedly connected to the inner and outer side walls of the bottle mouth of the gas cylinder liner, and the sealing ring is sleeved on the inner wall of the joint body, and the sealing ring can be used for sealing contact with the docking component. The joint for a composite gas cylinder with a plastic liner provided by the present invention enhances the installation strength and installation stability with the composite gas cylinder liner, reduces the deformation of the bottle mouth of the composite gas cylinder, and has good sealing performance.

The invention relates to a non-bias cable laying device along a track and a use method thereof, the device comprises a fixing plate, a lifting adjusting mechanism, rollers, a support, an electric transfer mechanism and a plurality of wire guiding mechanisms, the fixing plate is installed on the track, the lifting adjusting mechanism and the support are installed on the fixing plate, the electric transfer mechanism is installed on the support, and the wire guiding mechanisms are installed on the roller. The output end of the lifting adjusting mechanism is provided with a roller, and the wire guiding mechanism is installed on the fixing plate and located at the two ends of the electric transferring mechanism. The using method comprises the following steps that firstly, the width size of the track is measured, and the corresponding fixing plate is customized; secondly, the fixing plates are installed on the corresponding rails; thirdly, after the cable penetrates through a cable guiding mechanism, an electric transferring mechanism and a lifting adjusting mechanism are adjusted to make contact with the cable; and 4, starting the electric transfer mechanism to lay the cable. Therefore, according to the design, the cable can stably move forwards along the track and does not deviate from the track in the cable laying process.

The utility model provides a circuit breaker, including casing, first shell cover, second shell cover, testing arrangement, contact subassembly and operating device in casing both sides, the contact subassembly includes movable contact and static contact, the casing both sides are established with first shell cover cooperation forms first installation cavity's first installation slot and with second shell cover cooperation forms second installation cavity's second installation slot, still include arc extinguishing device, the arc extinguishing device includes in first installation slot's first arc extinguishing system and in second installation slot's second arc extinguishing system, the first arc extinguishing system includes arc extinguishing shield and sets up in arc extinguishing shield's a plurality of first arc extinguishing piece, the second arc extinguishing system includes a plurality of second arc extinguishing piece, the second installation slot is established with arc extinguishing passageway, is established with the positioning slot for installing a plurality of second arc extinguishing piece in arc extinguishing passageway and is set up up and down interval, the utility model discloses arc extinguishing system simple structure and convenient installation.

The utility model belongs to the technical field of brake discs, and particularly relates to a high-strength carbon-ceramic brake disc assembly for a special vehicle, which comprises a bottom plate, a carbon-ceramic friction block and a screw, and the bottom plate is provided with a circular through hole and a bolt hole; counterbores, cylindrical protrusions and ventilation grooves are formed in the carbon ceramic friction block around the base body. The screw rod sequentially penetrates through the counterbore and the circular through hole to fixedly connect the bottom plate with the carbon ceramic friction block; the automobile radiator is high in overall strength, excellent in friction performance and convenient to mount and dismount, the heat dissipation efficiency is improved, and the vehicle use cost of a user is reduced.

The utility model discloses a tension sensor convenient to install, which comprises a tension sensor body and an installation plate, a threaded column is fixedly connected to the center of the left side of the tension sensor body, a clamping plate is installed on the threaded column in a threaded mode, an installation hole is formed in the installation plate, and the threaded column is inserted into the installation hole. According to the tension sensor convenient to install, when the tension sensor convenient to install is installed, the threaded column is inserted into the installation hole of the installation plate, the clamping plate is rotated to make the threaded column move on the threaded column in a threaded mode, the clamping effect is achieved between the clamping plate and the tension sensor body, and therefore installation can be completed. Compared with an original flange installation mode, butt joint is more convenient, installation is faster, the installation strength is indirectly enhanced through cooperation of the gasket, the limiting block and the limiting hole, and the flange can be suitable for most work environments.

The present application relates to a skirtless end cap structure and a reverse osmosis membrane element, and relates to the field of reverse osmosis membrane, which includes an end cap, which includes an intermediate ring sleeve, an outer ring sleeve and a plurality of ribs, the intermediate ring sleeve is coaxially arranged with the outer ring sleeve, the ribs are radially extended along the intermediate ring sleeve, each rib is evenly arranged around the circumference of the intermediate ring sleeve, and the two ends of the ribs are respectively fixedly connected to the outer peripheral surface of the intermediate ring sleeve and the inner peripheral surface of the outer ring sleeve; the outer peripheral surface of the outer ring sleeve is provided with at least three axially spaced interlocking grooves, and the axial distance between the surface of the ribs and one end face of the outer ring sleeve is 1-3mm. The present application can reduce the constraints on large-diameter membrane units and reduce the occurrence of glass fiber embedding due to excessive gaps.

The utility model belongs to the technical field of sighting telescope accessories, and particularly relates to a mounting seat for an optical sighting telescope, which comprises a support plate. A hydraulic cylinder is fixedly installed on the upper surface of the supporting plate, a reinforcing plate is fixedly installed at the top of the hydraulic cylinder, a lifting column is movably installed at the top end of the hydraulic cylinder, a bottom ring is fixedly connected to the top of the lifting column, a soft cushion is arranged on the inner surface of the bottom ring, and a rotating shaft is movably installed on one side of the bottom ring. Through the arrangement of the supporting plate, a user can conveniently install the whole supporting seat on the surface of a gun, through the arrangement of the hydraulic cylinder and the lifting column, the user can conveniently adjust the installation height of the optical sighting telescope, so that the optical sighting telescope can cope with different coping scenes, and through the arrangement of the reinforcing plate, the overall installation strength of the hydraulic cylinder is conveniently enhanced; and through the arrangement of the bottom ring, the optical sighting telescope can be conveniently placed, and through the arrangement of the soft cushion, the optical sighting telescope can be properly buffered.

The present invention provides a polycrystalline diamond composite sheet, a manufacturing method thereof, a PDC bearing assembly and a cutting tool. The polycrystalline diamond composite sheet includes an alloy matrix layer and a diamond layer, and the diamond layer is combined with the alloy matrix layer by high-temperature sintering; the polycrystalline diamond composite sheet also includes an alloy steel layer; the diamond layer, the alloy matrix layer and the alloy steel layer are arranged in sequence along a first direction, and the alloy matrix layer and the alloy steel layer are combined with each other by diffusion welding. The manufacturing method includes placing the powder raw material of the diamond layer, the alloy matrix layer and the alloy steel layer into a high-temperature and high-pressure device for synthesis. The PDC bearing assembly includes a polycrystalline diamond composite sheet. The cutting tool includes a polycrystalline diamond composite sheet. The alloy matrix layer and the alloy steel layer are combined by diffusion welding, the shear strength of the weld of the two material layers is effectively improved, and the overall strength of the polycrystalline diamond composite sheet with a three-layer structure is improved. In addition, no secondary welding is required, the production efficiency is improved, and secondary high temperature damage to the diamond layer is avoided.

The utility model relates to the technical field of green buildings, and discloses an external thermal insulation enclosure structure which comprises a thermal insulation base plate, a net-shaped caulking groove is formed in the front face of the thermal insulation base plate, and a restraining net is inserted into the net-shaped caulking groove in a sliding mode. According to the external thermal insulation enclosure structure, through the constraint net, the limiting supports are fixedly installed on the surface of an external wall through expansion bolts under the cooperation of expansion nail holes, and in the process, the expansion bolts fix two sets of parallel rings located in a settling tank on the same limiting support; at the moment, under the cooperation of multiple sets of parallel rings in the same device, the constraint nets form grid supporting structures, the grid supporting structures are connected in parallel through the parallel rings of the adjacent devices under the cooperation of expansion bolts, and the grid supporting structures transmit and reduce impact force acting on the heat preservation base plate; after the expansion bolts deform in the prefabricated holes, impact force is transmitted and reduced through the grid supporting structures connected in parallel, the probability that the device is damaged and falls off is reduced, and the stability of the device in the operation process is improved.

The application relates to a planetary shaft structure in the technical field of differentials, which comprises a left half shaft gear, a right half shaft gear arranged opposite to the left half shaft gear, and four planetary gears arranged in a cross shape between the left half shaft gear and the right half shaft gear and meshed with the two gears, wherein a main support is arranged through the coaxial two planetary gears of one opposite arrangement, an auxiliary support is arranged through the coaxial two planetary gears of the other opposite arrangement, the two auxiliary supports are respectively arranged on the two sides of the main support, and each auxiliary support is connected with the main support through a positioning piece; the whole planetary shaft structure is simple and clear, the setting of a planetary support is cancelled, the self-strength and mounting strength of the left half shaft gear, the right half shaft gear and the four planetary gears are improved, the design flexibility of the whole planetary shaft structure is improved, and the design complexity and cost of the differential assembly are reduced.

The utility model relates to the technical field of transformers, and discloses a transformer installation structure which comprises a fixing sleeve frame and a supporting piece, the fixing sleeve frame is arranged on a transformer body in a sleeved mode, and at least one pair of sleeve rings are arranged on the outer side wall of the fixing sleeve frame; the supporting piece is vertically arranged on the lantern ring in a penetrating mode and can move up and down, the lantern ring is provided with a positioning piece used for limiting the supporting piece to move up and down, and a foot piece is arranged at the bottom end of the supporting piece. The positioning piece comprises a through hole formed in the lantern ring and an abutting block embedded in the through hole, the abutting block can be embedded towards the interior of the lantern ring to abut against the supporting piece, and a rubber mat is arranged on the face, facing the interior of the lantern ring, of the abutting block. According to the utility model, the problems that the stability is insufficient and the welding part of the pins is easy to break due to the influence of external force when the pins are soldered and fixed only by adopting the pins are effectively solved, the installation strength of the transformer body is improved, and the stable work of the transformer body is ensured.

The application discloses a stone curtain wall with an assembling structure and an assembling method thereof, and relates to the technical field of buildings. The stone curtain wall comprises a wall body, a keel assembly, a first stone plate, a second stone plate, an elastic sealing element and a lamp strip assembly. The second stone plate under the action of gravity is hung on the keel assembly by using the cooperation of each hook part and each hanging groove. Then, the elastic sealing element and the first stone plate are used to cooperate with the first hook part under the action of gravity, the tongue block of the second stone plate is clamped in the installation groove in the up-down clamping mode, the second stone plate is firmly installed, and the second inclined keel is effectively prevented from being fixed by manual work or other tools in the curing process of the back adhesive, the hollow space between the second stone plate and the second inclined keel is effectively reduced, the effective area and the bonding strength of the back adhesive are ensured. In addition, the lamp strip assembly is used as the corner assembling element between the stone plates in the stone curtain wall, the lamp strip assembly is organically integrated into the stone curtain wall, the stone curtain wall has the night scene function, and the structural strength of the stone curtain wall is improved.

The utility model relates to the technical field of aquarium lamps, in particular to an aquarium lamp convenient to disassemble, assemble and replace, which comprises a mounting box, a clamping mechanism is arranged on one side of the mounting box, the clamping mechanism comprises an L-shaped connecting rod arranged on one side of the mounting box, a mounting groove is formed in the bottom end of the L-shaped connecting rod, and an elastic rubber pad is fixedly connected in the mounting groove. The top end of the L-shaped connecting rod is fixedly connected with two sets of connecting blocks, the connecting blocks are symmetrically distributed along the central axis of the top of the L-shaped connecting rod, the top ends of the connecting blocks are fixedly connected with two sets of connecting hooks, and lifting clamping blocks are arranged in the connecting hooks. The clamping mechanism is matched with the mounting groove, so that the mounting box can be mounted in various modes from the top of the fish tank and the side face of the fish tank, and the mounting strength of the structure located above the fish tank is enhanced through matching of the reset spring and the sliding rod; the installation strength of the structure on the side face of the fish tank is enhanced through cooperation of the installation groove and the elastic rubber pad.

The utility model belongs to the field of mechanical part machining, and particularly relates to a positioning and clamping device for mechanical part machining, which solves the problems in the prior art that the direction of a mechanical part is difficult to adjust and the part cannot be turned over, and comprises a control arm, a first motor is fixedly arranged at the top end of the control arm, and a second motor is fixedly arranged at the bottom end of the control arm. A control panel is fixedly connected to the outer side of the first motor, and a connecting rod is fixedly mounted on the outer side of the control panel; through the arrangement of a control arm and a movable arm, the whole device can be controlled by a telescopic rod so as to change the lifting height and angle, a user can conveniently adjust the spatial orientation of a part, through the arrangement of a first motor, the output end of the first motor is connected with a control panel, and the control panel can be driven to rotate; accordingly, relevant structures on the outer side of the fixing plate are driven to rotate simultaneously, so that a user can adjust overturning of the part conveniently, and the requirement for machining different faces of the part is met.

The invention relates to the technical field of vehicle suspension, in particular to a vehicle body suspension mounting structure and method. The suspension installation structure comprises a nut box, the nut box comprises a reinforcing bottom plate, a Z-direction limiting plate and a plurality of limiting side plates, the reinforcing bottom plate is provided with a bottom plate through hole in a penetrating mode, the limiting side plates are connected with the reinforcing bottom plate and the Z-direction limiting plate to form a movable cavity for containing a nut assembly, and the movable cavity is used for providing X-direction and Y-direction movable spaces for the nut assembly to absorb the tolerance of the whole vehicle. At least one limiting side plate abuts against and limits rotation of the nut assembly when the nut assembly is bolted. The supporting pipe is arranged on one side of the reinforcing bottom plate corresponding to the bottom plate via hole to support the nut box; and the supporting bottom support is arranged at the bottom end of the supporting pipe and supports the supporting pipe in the Z direction. The limiting side plate is connected with the reinforcing bottom plate and the Z-direction limiting plate to form a movable cavity to absorb the tolerance of the whole vehicle, the limiting side plate can limit rotation of the nut assembly during bolting, and the Z-direction limiting plate can move the nut assembly in the Z direction during bolting.

The utility model relates to electric power steel pipe pole technical field discloses a kind of electric power steel pipe pole inner perforation structure, including pipe, the pipe is welded in the pair of perforation of steel pipe pole body, the pipe extends along the axis direction of the pair of perforation;Two ends of the pipe are respectively aligned with the two ends of the steel pipe pole body, and the pipe is used to install hanging line screw.The material of the pipe is high-strength steel, improves the installation strength and stability of hanging line screw, because the pipe extends along the axis direction of the pair of perforation, so that the installation position of hanging line screw is more fixed.Pipe uses high-strength steel material, wall thickness is the wall thickness of steel pipe pole 1 / 2 to 2 / 3, both ensure the strength of structure, and reduce overall weight, improve the use efficiency of material.The chamfer design of pipe two ends reduces stress concentration, improves the fatigue resistance of structure.The reinforcing rib arranged in the pipe increases its bending strength, improves the stability of overall structure.

The utility model belongs to the technical field of hardware machining equipment, and particularly relates to a continuous punching precision die for hardware. Screw rods are movably installed on the two sides of the main plate, movable blocks are installed on the surfaces of the screw rods in a threaded mode, side plates are fixedly installed on the tops of the movable blocks, electric telescopic rods are fixedly installed on the inner sides of the side plates, and supporting blocks are fixedly installed on the tops of the electric telescopic rods; through arrangement of a first motor and a lead screw, a user can drive hardware to move inwards without manually controlling movement of a clamping plate, a movable block in threaded connection with the surface of the lead screw can be driven by threads of the lead screw to move back and forth in a reciprocating mode, and through arrangement of a side plate, the mounting strength of an electric telescopic rod is enhanced conveniently; and through the arrangement of the electric telescopic rod, a user can conveniently and electrically control the clamping plate to face inwards so as to fix the hardware material, and the operation of the lead screw and the electric telescopic rod in the device is electrically controlled, so that manual control is not needed.

The utility model discloses a kind of cable-stayed curtain wall hoisting devices, comprising: first layer installation platform;Second layer installation platform, above the first layer installation platform;The first fixed end of first support beam and the second fixed end of second support beam are fixed on the surface of first layer installation platform;The first end portion of sliding track is installed in first lifting end, and the second end portion of sliding track is installed in second lifting end;Lifting mechanism is slidably installed in sliding track;The first low end portion of first cable-stayed rope is fixed in first lifting end, and first high end portion is fixed in second layer installation platform;Second low end portion of second cable-stayed rope is fixed in second lifting end, and second high end portion is fixed in second layer installation platform.By first cable-stayed rope, the first lifting end of first support beam can be fixed in second layer installation platform, by second cable-stayed rope, the second lifting end of second support beam can be fixed in second layer installation platform, and the load-carrying capacity of first support beam and second support beam can be improved.

The utility model relates to the technical field of conducting rods, and discloses an outdoor high-voltage vacuum circuit breaker conducting rod, which comprises a rod body fixedly arranged in an outdoor high-voltage vacuum circuit breaker, and is characterized in that the rod body comprises a first rod piece, one end of the first rod piece is fixedly provided with a first external thread for installation, and the other end of the first rod piece is provided with a second external thread for installation; a second rod piece is fixedly connected to the other end of the first rod piece, second external threads are fixedly arranged on the second rod piece, and a third rod piece used for installation is fixedly arranged at one end of the second rod piece. According to the outdoor high-voltage vacuum circuit breaker conducting rod, the outer side of the conducting rod is provided with a plurality of external thread structures which are used for being connected and installed in the outdoor high-voltage vacuum circuit breaker, the actual installation process is simple in operation, the locking effect is good, the overall structure is smooth, production simplification is facilitated, and production efficiency is improved; and the traditional notch design on the conducting rod is eliminated, so that the processing difficulty is simplified, burrs on the conducting rod are avoided, the use safety of the conducting rod is improved, and the partial discharge problem of conduction is reduced.

The utility model discloses a disengagement device for a lightning arrester, which relates to the technical field of lightning arresters and comprises a disconnector and a protective cover covering the disconnector, the protective cover is fixedly connected with the disconnector through a fixing assembly, screw rods are arranged at two ends of the disconnector, and the protective cover is fixedly connected with the disconnector. Nuts and conducting strips are movably arranged on the outer rings of the two screw rods, the conducting strip on the upper portion is electrically connected with an external high-voltage wire through a first wire, and the conducting strip on the lower portion is electrically connected with the high-voltage end of an external lightning arrester through a second wire. According to the utility model, when the lightning arrester is damaged, the separation device acts, and burst fragments are blocked by the protective cover, so that the explosion range is effectively reduced, the damage to surrounding equipment is reduced, and the problem that the burst fragments are easy to splash to the periphery to damage the surrounding equipment after the separation device for the lightning arrester bursts is solved.

The application relates to the field of veneer mounting structures, in particular to an indoor large-size veneer mounting structure and a construction method, which comprises a veneer plate, a plurality of connecting assemblies and a plurality of supporting pieces. The connecting assembly comprises a first fixed plate, a second fixed plate, a sleeve, a sliding rod, a compression spring and a lock tongue; the first fixed plate is connected to a base layer; the sliding rod can slide in the sleeve; a storage groove is arranged on the circumferential surface of the sliding rod; one end of the first compression spring is connected to the bottom of the storage groove, and the other end is connected to the lock tongue; a limiting hole for the lock tongue to pass through is arranged on the circumferential surface of the sleeve; the supporting piece comprises a mounting plate, a connecting rod and an abutting plate; the mounting plate is connected to the base layer; one end of the connecting rod is fixedly connected to the mounting plate, and the other end is connected to the abutting plate; when the lock tongue passes out of the limiting hole, the abutting plate is attached to the mounting surface. The application can improve the instability of the large-size veneer mounting structure, and improve the decoration quality and effect of the veneer.

The invention provides an engine hood lock mounting structure and a vehicle. The engine hood lock mounting structure comprises a hood lock mounting bracket and a reinforcing bracket which are arranged on a cabin upper cross beam at the front end of a vehicle body. The cabin upper cross beam is provided with a passing part for the engine hood lock to pass through, and the hood lock mounting bracket is connected to the rear side of the cabin upper cross beam corresponding to the passing part. The reinforcing support corresponds to the passing part and is connected to the front side of the cabin upper cross beam, an annular installation space is defined by the cover lock installation support, the reinforcing support and the cabin upper cross beam, and the engine cover lock is located in the installation space. According to the engine hood lock mounting structure, by arranging the hood lock mounting support and the reinforcing support, the annular hood lock mounting space can be formed among the hood lock mounting support, the reinforcing support and the front end upper cross beam, so that the engine hood lock mounting position is of a multi-connection structure to cooperatively bear force, and the mounting strength and rigidity of an engine hood lock are improved; the problem of shaking when the machine cover assembly is closed is solved.