1034results about How to "Improve connection strength" patented technology

The invention discloses a battery pack and electric equipment, the battery pack comprises a bottom plate and a plurality of batteries arranged on the bottom plate along a first direction, each battery comprises a metal shell, the metal shell comprises two oppositely arranged first wall parts, two oppositely arranged second wall parts and a bottom surface, the area of the first wall parts is larger than that of the second wall parts, and the first wall parts and the second wall parts are arranged on the bottom surface. The first wall parts of two adjacent batteries are oppositely arranged, and the outer surfaces of the first wall parts are provided with insulating layers; the bottom surface is provided with a first exposed area; the insulation paste comprises a first part and a second part, the first part is arranged between two adjacent batteries, and the second part is arranged between the first exposed area and the bottom plate; the insulating layer and the insulating paste meet the condition that [(2D1 + D2) / 2L] H is greater than or equal to 0.001 mm and less than or equal to 2.5 mm, D1 is the thickness of the insulating layer in the first direction, D2 is the thickness of the first part in the first direction, L is the length of the battery in the first direction, and H is the distance between the top end of the first part and the top surface of the bottom plate.

The invention provides an ultra-high-speed electric connector which comprises an insulating body, the insulating body is provided with a lengthwise slot, a plurality of terminal slots are formed in lengthwise side walls on the two sides of the slot respectively, and a fool-proof part is arranged in the slot and used for dividing the insulating body into a power supply and low-speed signal area and a high-speed signal area which are located on the two sides of the fool-proof part; the plurality of terminals comprise differential signal terminals distributed in the high-speed signal area and other terminals distributed in the high-speed signal area and the power supply and low-speed signal area, every two differential signal terminals are adjacent, and two sides of every two adjacent differential signal terminals are respectively provided with a grounding terminal; every two adjacent differential signal terminals and two grounding terminals located on the two sides of the two differential signal terminals form a terminal module, and the two differential signal terminals and the two grounding terminals of each terminal module and an insulating block inserted into the insulating body are formed in an embedded mode. The ultra-high-speed electric connector can enable signal transmission to be better and more stable.

The utility model relates to the technical field of elevator derricks, in particular to an inward bending steel structure derrick for installing an elevator, which comprises a base, a derrick I and a plurality of derricks II, the derrick I is fixedly arranged at the top of the base, and the plurality of derricks II are fixedly arranged at the top of the derrick I in sequence. A plurality of stand columns and cross beams are arranged in the base, the first derrick and the second derrick, four stand columns distributed in a rectangular shape are arranged in the base, the first derrick and the second derrick, and the cross beams are connected between every two adjacent stand columns through bolts. The stand column is formed by inwards folding a steel plate to form a first bending piece and a second bending piece, the end, away from the second bending piece, of the first bending piece is inwards folded to form a third bending piece, and the end, away from the first bending piece, of the third bending piece is inwards folded to form a first bending connecting piece. According to the utility model, the problems of single structure, insufficient performance and stress concentration of connecting nodes of an elevator derrick upright post additionally arranged in an old community are solved, and the overall strength, stability and safety of the derrick are improved.

The application relates to a foot end structure, a supporting leg assembly and a robot, and the foot end structure comprises a foot end part, a foot bottom buffer, a fastening assembly and a supporting part. The application is characterized in that a second accommodating space is arranged in the foot bottom buffer, at least part of the side wall of the second accommodating space forms a foot bottom connecting part, a supporting part is arranged in the second accommodating space, the supporting part is arranged opposite to the foot bottom connecting part, and the supporting part is connected with the other side of the abutting part. In this way, the abutting part can be limited to move in the second accommodating space, so that the problem of low assembly efficiency caused by the movement of the first fastening part in the process of fixing connection of the second fastening part and the first fastening part can be avoided or improved, and the connecting strength between the foot bottom connecting part and the locking part is improved. In addition, the foot bottom connecting part is clamped and fixed between the locking part and the abutting part of the rigid structure, so that the locking force is further improved, and the problem of falling off of the foot bottom buffer is improved or avoided.

The utility model discloses a kind of connecting structure for tarpaulin and car roof tent frame, including fixed seat being arranged on upper and lower framework and connecting piece being arranged on tarpaulin, fixed seat is provided with clamping groove, connecting piece includes first connecting part and second connecting part, second connecting part is fixed with tarpaulin, and first connecting part is fixed with the clamping groove. The utility model adopts plug-in structure, and simplifies assembly step. First connecting part is provided with reverse buckling structure, cooperate with the clamping edge of the clamping groove, and play the connecting structure of reverse fixed with the insertion in sequence. Connecting piece adopts rubber structure, tarpaulin is disassembled with fixed seat when being convenient for replacing tarpaulin in later period. Two pieces are arranged at second connecting part interval, and tarpaulin is arranged between two second connecting parts, and the connecting strength of tarpaulin and connecting piece is improved. Setting fender, and make fender and fixed seat side wall close, play dustproof waterproof effect.

The utility model provides a kind of laying plate for temporary construction road, belong to building construction technical field, to solve the problem of laying plate upper surface water and easily lead to safety hazard.This device includes multiple groups of road board main part, and the two sides of road board main part adjacent are respectively fixedly connected with the upper connecting plate and lower connecting plate connected by cooperation clamping;Connecting block, fixedly connected in the length direction both ends of lower connecting plate or upper connecting plate and provided with threaded hole;Upper slope plate and lower slope plate are set in the outermost side of multiple groups of connected road board main part and respectively connected with lower connecting plate and upper connecting plate clamping;Waterproof pad, set in road board main part and slope board lower surface;The combination surface between lower connecting plate and upper connecting plate, lower connecting plate and upper slope plate, upper connecting plate and lower slope plate is all maze structure.This device is through the form of cooperation clamping of maze and the setting of waterproof pad, reduce the safety hazard caused by laying plate surface water penetration to temporary construction road.

This utility model discloses a wire-pair shielded data transmission cable with high transmission performance, comprising: a cross-shaped frame, the four isolation walls of the cross-shaped frame having different wall thicknesses, a buffer groove provided at the top of the isolation wall, and a folded groove aligned with the bottom of the buffer groove on the outer wall of the isolation wall, a filling rope and a set of twisted core wires arranged in the cavity between two adjacent isolation walls, aluminum-plastic composite tape wrapped around the twisted core wires, and tinned copper wire braided tape woven on the cross-shaped frame, the tinned copper wire braided tape being in direct contact with the aluminum surface of the aluminum-plastic composite tape, the tinned copper wire braided tape abutting against the twisted core wires and compressing the buffer groove, the groove wall of the buffer groove bending along the folded groove and abutting against the tinned copper wire braided tape after being compressed by the tinned copper wire braided tape, a wrapping tape wrapped around the tinned copper wire braided tape, and a sheath extruded onto the wrapping tape. This utility model has a simple structure and excellent signal shielding performance both internally and externally.

A self-regulating temperature float-type fuel tank, relating to the field of engine fuel tank technology, includes a tank body with an oil inlet at the top and an oil outlet at the bottom. Inside the tank body are a heater, a temperature sensor, and a cooling core. The heater and cooling core are horizontally positioned above the oil outlet, and the temperature sensor is positioned close to the oil outlet. The cooling core includes several cooling pipes and several clamping plates, which are vertically spaced. The cooling pipes pass horizontally through the clamping plates, and their two ends are connected to the tank body. Water inlets and outlets, communicating with the interior of the cooling pipes, are installed on the side walls of the tank body. The water inlets are connected to a water pump. This application can change the original cooling method, improve cooling efficiency, reduce engine output loss, adjust engine power output in a timely manner, and improve user experience.

This utility model discloses an impeller device for a fan, relating to the field of FRP (fiberglass reinforced plastic) fan technology. The impeller device includes a rear chassis, multiple blades, and a front chassis. The blades are fixed to the rear chassis with bolts. The upper surface of the rear chassis has several bolt holes. The front chassis is connected to the rear chassis via connecting columns. The front chassis is located above the blades and provides additional fixation for them. This utility model uses bolts to fix the blades to the rear chassis, forming a modular design that facilitates subsequent replacement and maintenance. Simultaneously, the front and rear chassis are fixedly connected by connecting columns, and a groove is provided on the lower surface of the front chassis to securely embed the upper end of the blades, forming a double-fixation structure for the blades, effectively improving the stability of the blades under high-speed rotation.

The utility model provides a kind of corrosion -resistant spiral steel pipe, the utility model includes spiral inner tube body and seamless outer tube body, and interlayer space is formed between spiral inner tube body and seamless outer tube body, and interlayer space is filled with heat preservation filling layer, the outer surface of spiral inner tube body and the inner surface of seamless outer tube body are equipped with corrosion -resistant coating, and the both ends of spiral inner tube body and seamless outer tube body are respectively equipped with first connecting frame and second connecting frame, the edge of first connecting frame is equipped with insert block one, the edge of second connecting frame is equipped with the slot compatible with insert block one, the edge of second connecting frame is equipped with insert block two, the edge of first connecting frame is equipped with the slot compatible with insert block two, and the opening is formed between first connecting frame and second connecting frame, and reinforcing strip is inserted in the opening.The utility model can improve environmental adaptability by double corrosion -resistant coating, optimize the sealing property of connecting structure, enhance the synergistic effect of reinforcing strip and heat preservation layer, to prolong service life and ensure operating stability.

The utility model provides a harness support with double damping structure, including a support main part, and support main part is a sheet metal spare, and support main body is in echelon, and support main body includes a upper plate body and a lower plate body, and the upper plate body is connected with the lower plate body through the connecting plate, and the central of lower plate body is equipped with a fixed hole, and the first damping rubber washer is installed in the fixed hole, and the lower of upper plate body is fixed with the second damping rubber washer through the cable tie, be equipped with the through -hole on the connecting plate, and the upper surface of second damping rubber washer is equipped with the recess, and the width of recess is consistent with the width of upper plate body, and the cable tie is fixed on the upper surface of upper plate body and the lower surface of second damping rubber washer through the through -hole, be equipped with three threading holes on second damping rubber washer, and the setting direction of threading hole is perpendicular with the length direction of second damping rubber washer, the utility model discloses through the upper and lower ends of sheet metal support main part all setting damping washer can reduce the vibration transmission rate, reduces the risk of harness resonance.

The utility model relates to the technical field of building engineering, concretely relates to the optimization design of the structure of external scaffold and steel sheet net connecting device, the utility model is realized through the following technical scheme: a kind of external frame steel sheet net connecting device, including connecting steel pipe and connecting plate, the one end of connecting steel pipe is provided with the slot for the insertion of connecting plate along its length direction, and the slot extends the clamping interface of connecting steel pipe in the circumferential direction;Connecting plate includes the horizontal main part of part insertion in the connecting steel pipe, and the convex part of the clamping interface resistance cooperation that is outwardly extended horizontally from horizontal main part. The utility model aims at the improvement of the structure of connecting steel pipe and connecting plate itself, the stable connection of both can be realized without additional connecting bolt, eliminate the security risk caused by bolt drop, enhance the security and stability in construction process.

The massage eyeshade comprises a body part, a wearing part, a control assembly and a vibration assembly, the wearing part is connected with the body part, the control assembly is connected with the body part through a fastener and located on the outer side of the body part, the vibration assembly is arranged on the body part and located on the inner side of the body part, and the vibration assembly is electrically connected with the control assembly. The massage eyeshade has the advantages of being small in size, high in connection strength and low in cost.

The utility model discloses GRS regenerative environmental protection bag, including outer bag body and two groups of handle. The utility model, the combination of inner bag body through connecting piece and magic paste structure realizes independent use or as the quick switching of outer bag body buffer layer, and the alignment design of handle hole after the folding of connecting piece guarantees the convenience of carrying when the inner bag body is used alone, and the fixed formation of the separation cavity of the three edges of interlayer and the inner side wall of outer bag body, and the load of inner bag body is transmitted to the whole circumference of outer bag body through magic paste multi -point connection, and the honeycomb support layer in outer bag body can further promote the support strength, improve the service life, the handle is connected with outer bag body through the connecting rib, and the force is dispersed through the connecting rib when carrying, and the anti -deformation ability is enhanced, and the connecting strength of handle and outer bag body is improved.

The utility model discloses an acrylic cabinet door which comprises a door plate body, U-shaped clamping grooves are formed in the four edges of the door plate body respectively, two first U-shaped protection rods and two second U-shaped protection rods which are symmetrically arranged are clamped in the four U-shaped clamping grooves respectively in a sliding mode, two long clamping grooves are formed in the inner walls of the two ends of each first U-shaped protection rod respectively, and the two long clamping grooves are clamped in the second U-shaped protection rods respectively. The two ends of each second U-shaped protection rod are fixedly connected with two long clamping blocks, and the long clamping blocks on the two second U-shaped protection rods are clamped in the long clamping grooves in the two first U-shaped protection rods in a sliding mode respectively. According to the door plank, the four edges of the door plank body are protected through the first U-shaped protection rods and the second U-shaped protection rods, and the first U-shaped protection rods and the second U-shaped protection rods on the door plank body can be conveniently disassembled and assembled through sliding fit of the long clamping blocks and the long clamping grooves.

The utility model relates to a wheel technology field, concretely relates to a detachable wheel, including tyre, the inner ring of tyre is equipped with wheel cover, and tyre and wheel cover outer circle seal setting form a plenum, and the inner ring of wheel cover is evenly arranged with countersunk mounting hole along the circumference, and wheel cover is equipped with detachable wheel hub, and detachable wheel hub includes wheel hub outer circle cooperation installation with the inner ring of wheel cover, and wheel hub outer circle is equipped with wheel hub hub core, and the between wheel hub outer circle and wheel hub hub core along the circular center radiation spreads apart a plurality of spoke, and the between two adjacent spokes is equipped with detachable assembly cooperation with countersunk mounting hole. Independent plenum, will not leak in the wheel cover and wheel hub dismounting process. Wheel hub is through detachable assembly and realizes detachable, when wheel hub outer circle, wheel hub hub core or spoke etc. component appears damage, need not to replace whole wheel, only need to dismount and replace damaged wheel hub part, dismount convenient, greatly shorten the maintenance cost and maintenance time short.

The utility model discloses a metal winding gasket for pipeline sealing, including inside reinforcing ring, outside reinforcing ring, winding layer, inside reinforcing ring both sides fixedly connected with the inside baffle, outside reinforcing ring both sides fixedly connected with the outside baffle, winding layer is set between the inside baffle and the outside baffle, inside reinforcing ring and outside reinforcing ring inside are equipped with several groups of lift grooves, the inside sliding connection of lift groove has the lift piece, the one side fixedly connected with connecting rod of lift piece, the fixedly connected with contact ring of connecting rod penetration inside reinforcing ring and outside reinforcing ring, both sides contact ring closely winding layer both sides, first spring is fixedly connected between lift piece and lift groove, first spring is set on the outside of connecting rod, and sealing face adhesion degree improves significantly, and medium leakage rate reduces, and it is unnecessary to overhaul frequently.

This utility model discloses a shielding membrane installation structure for cryogenic cargo holds, comprising a cover plate and multiple sets of shielding membrane assemblies. Each set of shielding membrane assemblies includes four shielding membranes arranged in a rectangular array, and multiple metal plates. Grooves are machined on the cover plate, and metal plates are fixed within the grooves. The four shielding membranes in each set are arranged in a rectangular array centered on the center point of the metal plate, and the adjacent sides of the four shielding membranes overlap each other sequentially. The corners of the shielding membranes are chamfered. The edges of the overlapping areas of the shielding membranes and the metal plates are welded to the metal plates, and the edges of the overlapping edges of the shielding membranes are welded to the membrane bodies of adjacent shielding membranes. The shielding membrane installation structure for cryogenic cargo holds disclosed in this utility model has advantages such as good sealing performance and high connection strength between the shielding membranes, thereby improving the airtightness and service life of the cargo hold.

This application discloses a fender structure and a vehicle. The fender structure includes a first fender, comprising an inner fender and an outer fender. The outer fender is mounted on the outside of the inner fender. A portion of the outer surface of the inner fender is recessed inward to form an air guide groove penetrating the inner fender in a front-rear direction. The outer fender covers the opening of the air guide groove to form an air guide channel. According to the fender structure of this application, the air guide channel is directly formed by assembling the inner and outer fenders, which makes the structure of the air guide channel more stable and less prone to problems affecting the air guiding effect due to loosening. Furthermore, the formation of the air guide channel in this application does not require pneumatic accessories, reducing the number of parts and thus optimizing the structural complexity of the fender structure. This also helps to reduce assembly difficulty and improve assembly efficiency.

The utility model discloses a novel roller shutter guide rail buckle structure, and guide rail unit includes guide rail body, and the guide rail body includes the left side board in left side, the upper flat plate that extends right from left side board upper portion, lower flat plate, the right side board that is connected in lower flat plate below, the right connecting plate that is connected in the upper flat plate and the lower flat plate between, the lower end of left side board extends right and is curved to form the curved portion upwards in the end, and the upper hook plate is extended to right in the lower direction of lower flat plate, and the upper hook plate is curved to form the curved portion downwards in the end, and the curved portion downwards is opposite to curved portion upwards to form the guide groove of buckle unit sliding, buckle unit includes hot melt fabric and sets up the slide piece of hot melt fabric top, and the hole of multiple rows multiple columns arrangement is arranged on the slide piece, and hot melt fabric is covered in the both sides of slide piece and is fixedly connected on the slide piece through hot melt adhesive, the slide piece of buckle unit is adapted with the guide groove, and the guide groove is slid along the length direction of guide groove and is slidably arranged in the guide groove.

The application discloses a kind of laminated composite intercalation repair methods, belong to laminated composite maintenance technical field.The application uses the way of multilayer intercalation reinforcement patch, significantly increase the bonding area of patch and original laminated laminated composite material, can effectively improve the bonding strength of repair area, so that repair area will not become laminated laminated composite material / member dangerous area;The bonding surface is composed of multiple planes, and adjacent bonding surfaces bear tensile or shear load respectively, and after debonding or damage of a certain bonding surface, the crack will not spread to other bonding surfaces, significantly enhance the damage tolerance of repair bonding area, and further improve the mechanical properties of repair material / member.

The utility model relates to a burner assembly, which comprises a base, two gas inlets arranged on the base and two nozzle seats respectively communicated with the two gas inlets. The burner is provided with an outer premixing pipe, an inner premixing pipe, an outer ring, an inner ring, an outer ring cavity and an inner ring cavity, the outer premixing pipe and the inner premixing pipe correspond to the two nozzle seats respectively, the outer ring cavity is formed in the outer ring and communicated with the outer premixing pipe, the inner ring cavity is formed in the inner ring and communicated with the inner premixing pipe, and the outer ring cavity comprises a first groove bottom, a second groove bottom and a third groove bottom which are gradually raised; the inner ring cavity comprises a fourth groove bottom, a fifth groove bottom and a sixth groove bottom which are gradually increased; and the outer premixing pipe intrudes into the inner ring cavity, so that the sixth groove bottom is formed on the outer wall of the outer premixing pipe. According to the combustor assembly, the sixth groove bottom in the inner ring cavity is formed by the outer wall of the outer premixing pipe, the size is reduced, the structure is simplified, and meanwhile the connecting strength can be improved.

The utility model relates to the technical field of steel structure connecting structures, in particular to a steel structure connecting structure which comprises a vertical beam, a first connecting mechanism is movably connected to the upper portion of the outer surface of the vertical beam, a second connecting mechanism is movably connected to the lower portion of the outer surface of the vertical beam, and the second connecting mechanism and the first connecting mechanism are the same in structure. The second connecting mechanism and the first connecting mechanism are jointly connected with a cross beam. According to the steel structure connecting structure, the first connecting mechanism is arranged, the connecting plate is arranged at the left end of the connecting piece, the first connecting mechanism and the connecting piece are connected and supported through the three first supporting plates, the connecting piece is connected with the vertical beam through the first bolt, the connecting piece is connected with the cross beam through the second bolt, and then the vertical beam is wound with the hoop; the hoop is connected with the connecting plate in a penetrating mode, the hoop and the connecting plate are connected and fixed through the nut, under the action of the hoop, the stability of the connecting piece is improved, and dislocation and loosening are avoided.

The utility model provides a bevel gear structure and belongs to the technical field of machinery. The problem that an existing bevel gear is poor in transmission precision is solved. The bevel gear structure comprises a bevel gear and a gear shaft which are coaxially arranged, a connecting column is integrally formed on the bottom wall of the bevel gear, a conical hole with the hole diameter gradually increasing from top to bottom is formed in the bottom wall of the connecting column, and the connecting column, the conical hole and the bevel gear are coaxially arranged; a circular-truncated-cone-shaped connecting part matched with the conical hole is integrally formed at the top of the gear shaft, and the connecting part is inserted into the conical hole; an annular groove coaxial with the bevel gear is formed among the connecting part, the bottom wall of the connecting column and the top wall of the gear shaft, and the annular groove is filled with welding fluid so that the connecting column and the gear shaft can form a whole. The bevel gear structure is high in transmission precision.

The invention provides a construction method of a prefabricated assembled roadbed structure of a new and old expressway, which comprises the following steps: S1, carrying out stepped excavation on an old roadbed splicing area, and connecting a plurality of first splicing units with an old roadbed through a longitudinal insertion structure; s2, the first splicing units and the second splicing units are connected through first bolt connecting sets, and the second splicing units are connected through transverse inserting structures; s3, the adjacent first splicing units and the connected second splicing units are connected through second bolt connecting sets; s4, the first splicing unit and the second splicing unit are each connected with a leveling assembly used for adjusting the elevation and levelness of the first splicing unit and the second splicing unit; s5, sealing pieces are arranged between the first splicing units, between the first splicing units and the second splicing units and between the second splicing units; and S6, cast-in-place structures are arranged at the joints of all the splicing structures, the site cast-in-place workload is reduced, and rapid splicing of the new roadbed and the old roadbed is achieved.

This utility model relates to a large-capacity grain recycling and turning hopper device, characterized in that: the hopper support is composed of a base frame and side frames; the base frame includes a bottom frame, two vertical downward support beams, two vertical upward support beams, and two diagonal reinforcing beams; the lower ends of the two vertical beams of the side frames are rotatably connected to the front beams of the base frame near the front and rear ends; the outer side of the hopper near the upper end is rotatably connected to the upper crossbeam of the side frame, forming the turning center of the hopper; the upper and lower ends of the front unloading drive cylinder are respectively connected between the front side of the hopper and the front part of the base frame near the inner end, and the upper and lower ends of the rear unloading drive cylinder are respectively connected between the rear side of the hopper and the rear part of the base frame near the inner end; the upper ends of the two diagonal braces are respectively in sliding engagement with the upper front and upper rear parts of the side frames of the hopper support; the lower ends of the two diagonal braces are respectively rotatably connected to the front and rear parts of the base frame near the inner end. This hopper device has high structural strength and is suitable for large-capacity grain unloading.

The utility model discloses a cold storage insulation board which comprises a square board body and a long-strip-shaped installation board, a first protruding strip and a second protruding strip are arranged on one set of two adjacent side edges of the board body respectively, one end of the first protruding strip is connected to one end of the second protruding strip, and an L-shaped structure is formed. A first gap is formed between the other end of the first raised line and the end part of the corresponding side edge, and a second gap is formed between the other end of the second raised line and the end part of the corresponding side edge; a first slot corresponding to the first raised line and a second slot corresponding to the second raised line are respectively formed in the other group of two adjacent side edges of the plate body; and the mounting plates are mounted at the joints of the two adjacent groups of plate bodies. The mounting plates are mounted at the joints between the adjacent plate bodies, so that the plate bodies have high connecting strength after being laid, the connecting stability and compactness of the adjacent plate bodies are improved, and meanwhile, the joints of the plate bodies are protected and prevented from being deformed and damaged.

The utility model provides a kind of double DC plug-in connection line with buffer protection and concentricity limit, including plug-in male head, plug-in female head and wiring, the plug-in male head has copper needle with one side wiring electrically conductive, the plug-in female head has with copper needle cooperation and with the other side wiring conduction slot, it is characterized in that, the plug-in male head and plug-in female head all include: hard inner core, by one injection molding;Soft shell, by secondary injection molding in hard inner core outside;Wherein, the hard inner core and wiring and copper needle or wiring and slot are integrally formed.The utility model forms the double-layer structure of different internal and external hardness with twice injection molding, ensure structure rigidity and copper needle concentricity by hard inner core, and provide buffer protection, comfortable touch and convenient assembly by soft shell, rigidly combined to improve product comprehensive performance.

The utility model belongs to the technical field of batteries, and relates to a transverse and longitudinal beam reinforcing plate for a battery pack. The transverse and longitudinal beams comprise a transverse beam and longitudinal beams connected to the two sides of the transverse beam, and the reinforcing plate comprises a connecting part and a plurality of reinforcing parts connected to the peripheral side of the connecting part; one part of the reinforcing part is used for being fixed on the top surface of the cross beam at the joint of the cross beam and the longitudinal beam, and the rest part of the reinforcing part is used for being fixed on the top surface of the longitudinal beam at the joint of the cross beam and the longitudinal beam. The transverse and longitudinal beam reinforcing plate is simple in structure, easy to machine, low in cost and capable of being produced on a large scale; the reinforcing parts are riveted with the top surfaces of the transverse and longitudinal beams, so that the transverse and longitudinal beams are further fixedly connected through the connecting parts and the reinforcing parts, the connecting strength between the transverse and longitudinal beams is improved, and the risk of vibration failure caused by welding between the transverse and longitudinal beams is reduced.