265results about How to "Guaranteed connection strength" patented technology

The invention provides a packaging structure and a forming method thereof, in the forming method, a bridge chip assembly is firstly formed, a silicon through hole of a bridge chip is exposed in a mode of firstly depositing a protection layer and then thinning the silicon through hole, the protection layer can protect a substrate in the thinning process, and the substrate is prevented from being damaged. Metal ions generated by thinning the silicon through hole can be prevented from being migrated and diffused into the substrate, so that the problem of reliability failure of the packaging structure caused by migration and diffusion of the metal ions is avoided; meanwhile, when the bridge chip assembly is plastically packaged, the bottom surface of the bridge chip assembly is provided with an adhesion layer, the adhesion layer is removed after plastic packaging, so that the bottom surface of the bridge chip assembly is higher than the bottom surface of the first plastic packaging layer, and after bottom rewiring layers are formed on the bottom surface of the first plastic packaging layer and the bottom surface of the bridge chip assembly, the bottom rewiring layers are formed on the bottom surface of the first plastic packaging layer and the bottom surface of the bridge chip assembly. The thickness of the bottom rewiring layer located on the bottom face of the bridge chip assembly is larger than that of the bottom rewiring layer located on the bottom face of the first plastic packaging layer, namely, the bottom of the bridge chip assembly is provided with a thicker dielectric layer, so that the connection strength of all connection points of the bridge chip assembly is guaranteed, higher stress buffering is provided for the bridge chip, and the reliability of the bridge chip assembly is improved. And the reliability of the packaging structure is improved.

The invention discloses a cover plate assembly and a battery, and relates to the technical field of batteries, the cover plate assembly comprises a pole, a cover plate and a pressing plate, the cover plate is provided with a mounting hole penetrating along the thickness direction of the cover plate, the pole is arranged in the mounting hole in a penetrating manner, the pressing plate sleeves the pole, the pole comprises a flanging part, the flanging part is located on the inner side of the cover plate, and the pressing plate is located on the inner side of the cover plate. The projection of the flanging part on the plane where the cover plate is located at least partially coincides with the projection of the pressing plate on the plane where the cover plate is located. Moreover, the specifications of the pressing plate and the flanging part are matched with each other, so that the pressing plate and the flanging part are matched with each other, the cover plate assembly is prevented from forming a structural weak point, enough welding space between the pressing plate and the pole can be ensured, the connection strength between the pressing plate and the pole is ensured, and the reliability of the cover plate assembly is improved. The flanging part can be prevented from excessively occupying the internal space of the battery, and the space utilization rate of the battery cell is ensured.

The invention provides a liquid cooling system and a battery pack, the liquid cooling system at least comprises a liquid cooling assembly, the liquid cooling assembly is used for carrying out liquid cooling on a battery cell group, the liquid cooling assembly comprises a liquid cooling plate and a plastic current collecting piece, the liquid cooling plate is arranged on the side surface of the battery cell group, the liquid cooling plate is hollow, and a liquid cooling flow channel is formed in the liquid cooling plate; a liquid inlet communicated with one end of the liquid cooling flow channel and a liquid outlet communicated with the other end of the liquid cooling flow channel are formed in the liquid cooling plate; the plastic flow collecting piece is formed on the liquid cooling plate in an injection molding mode, the plastic flow collecting piece and the liquid cooling plate are integrally arranged, the plastic flow collecting piece comprises a liquid inlet flow channel and a liquid outlet flow channel, the liquid inlet flow channel is used for communicating a liquid inlet and a liquid inlet pipeline of the liquid cooling plate, and the liquid outlet flow channel is used for communicating a liquid outlet and a liquid outlet pipeline of the liquid cooling plate.

The utility model provides a bridge anti-loosening connecting assembly convenient to install, belongs to the technical field of bridge construction, and aims to solve the problem that in the prior art, a threaded sleeve and a reinforcing steel bar can be connected only after sealant is uniformly smeared by workers, and the operation steps are more. Comprising a connecting sleeve body, a threaded groove, a sealant groove, a gluing limiting piece, a connecting auxiliary mechanism and an anti-loosening gluing mechanism. The two sets of threaded grooves are formed in the left side and the right side of the interior of the connecting sleeve body correspondingly. The sealant grooves are formed in the middle positions in the connecting sleeve main body respectively; the number of the gluing limiting pieces is two, and the two gluing limiting pieces are fixedly connected to the periphery of the connecting sleeve body. The connecting auxiliary mechanism is arranged on the periphery of the connecting sleeve main body; and the anti-loosening gluing mechanism is arranged in the connecting sleeve main body, so that the operation steps of workers are reduced, the connecting efficiency of the bridge reinforcing steel bars is improved, and the construction progress of a bridge is accelerated.

This utility model relates to the field of milling cutter technology and discloses a milling cutter that is easy to install. It includes a milling cutter shank section, a milling section at the bottom of the shank section, and a composite cylindrical component slidably mounted on the top surface of the shank section. The surface of the composite cylindrical component has friction grooves, and the inner wall of the composite cylindrical component has several positioning holes along its longitudinal direction. This utility model uses the composite cylindrical component, T-slots, positioning holes, composite I-shaped grooves, and limiting components, positioning screw holes, and limiting screws to form an auxiliary structure. After assembly and use based on the structure of the milling cutter shank section, the friction grooves on the surface of the composite cylindrical component effectively ensure the connection strength with the tool holder and the subsequent compressive strength of the cutter. Compared to other complex technical solutions in the prior art, the auxiliary structure and assembly and use of the milling cutter shank section in this application maintain convenient installation and usage conditions.

The straight beam structure air suspension assembly for the new energy heavy duty vehicle comprises a middle beam frame, installation pedals and damping gaskets, a transmission shaft is erected in the middle of the inner side of the middle beam frame, the installation pedals are erected at the two ends of the transmission shaft, and the damping gaskets for damping protection are installed on the outer sides of the joints of the installation pedals and the transmission shaft. And a right assembling base is erected at one end of the middle beam frame, a plurality of connecting holes are formed in the outer wall of the right assembling base, and an anti-skid groove is formed in the inner wall side of the right assembling base. When the straight beam structure air suspension assembly for the new energy heavy-duty vehicle is used, the vehicle frame keel and the air suspension assembly are connected and assembled through the straight beam structure design, and the requirements of subsequent users for separating, overhauling and additionally installing the vehicle frame keel and the air suspension assembly are met.

This utility model discloses a waterproof structure for steel structure exterior wall joints, belonging to the field of steel structure exterior wall waterproofing technology. It includes: multiple sets of exterior wall panels and waterproof components; drainage components for draining rainwater are provided at the intersections of the multiple sets of exterior wall panels; the waterproof components include: mounting seats adapted to fit within the gaps on one side of two sets of exterior wall panels; a fixing mechanism is connected to the inner wall of one side of the mounting seat; a waterproof cover is adapted to fit on the other side of the mounting seat; an installation mechanism is provided between the waterproof cover and the mounting seat; and a sealing mechanism is provided between one side of the mounting seat and one side of the waterproof cover. This utility model, through the coordinated use of the mounting seat, fixing mechanism, waterproof cover, installation mechanism, and sealing mechanism, enables rapid assembly and partial replacement of the mounting seat and waterproof cover, ensuring connection strength while avoiding the maintenance difficulties caused by traditional welding.

The invention belongs to the technical field of oil and gas leakage detection and alarm, and particularly relates to a safety valve inner leakage detection prompt sealing gasket and a use method.The safety valve inner leakage detection prompt sealing gasket comprises a sealing washer, a reinforcing ring is embedded in the inner ring of the sealing washer, and a diaphragm piece is fixedly connected to the inner side of the reinforcing ring; the blowing end of the sound production part faces the inner cavity of the safety valve and is used for ensuring that gas from the inner cavity of the safety valve blows the sound production part, and a plurality of cracking grooves are uniformly formed in the diaphragm piece in the radial direction; the safety valve can give a sound alarm when small flow passes through and give a fracture alarm when large flow passes through, can timely discover internal sealing leakage caused by environmental temperature, valve body quality, spring failure, unreasonable adjustment and the like in the production process of the safety valve, especially can timely discover small leakage, provides timely discrimination capability for production abnormity, and improves production efficiency. Production operation and maintenance activities are greatly facilitated, material loss is reduced, production is stable, and the operation and maintenance cost is reduced.

The invention relates to a curtain wall assembly and a curtain wall system, the curtain wall assembly comprises two adjacent curtain wall units, and each curtain wall unit comprises a mounting plate and a clamping plate assembly which surrounds the periphery of the mounting plate and is connected with the mounting plate; the clamping plate assembly comprises a first clamping plate and a second clamping plate which are arranged on the two opposite sides of the mounting plate in the first direction. The first clamping plate of one of the two adjacent curtain wall units is used for being connected with the second clamping plate of the other one of the two adjacent curtain wall units; the curtain wall assembly further comprises a first buckling unit installed at the joint of the first clamping plate and the second clamping plate. In the thickness direction of the mounting plate, the first buckling unit is located on the side, away from the mounting plate, of the first clamping plate. Along the plane perpendicular to the thickness direction of the mounting plate, the projection of the joint of the first clamping plate and the second clamping plate is located in the projection of the first buckling unit. The exterior facade structure of the curtain wall assembly provided by the embodiment is higher in integrity, simple in process, lower in cost and better in economic benefit.

This invention belongs to the field of pressure sensors, specifically relating to an oil-filled core for a MEMS pressure sensor suitable for high-pressure, small-molecule media. It comprises a pressure ring, a corrugated diaphragm, a core base, sealing steel balls, and components such as silicone oil, a ceramic seat, a pressure chip, and leads located within a sealed cavity formed by the corrugated diaphragm and the core base. This invention addresses the shortcomings of traditional oil-filled cores for MEMS pressure sensors by improving the design in multiple structural and manufacturing aspects, solving problems such as small-molecule media infiltration, lead breakage failure, and high-pressure connection sealing. It is particularly suitable for accurate pressure measurement of high-pressure, small-molecule media.

The utility model discloses the modularization quick change device of adjustable pipeline lining winding mould, include: mould body, mould body includes the multiple modularization board spare of movable arrangement installation in the middle part. The utility model discloses the modularization quick change device of adjustable pipeline lining winding mould, and the pipeline lining structure of the middle part of mould body is composed of modularization board spare, and after appearing damage in use, can conveniently carry out individual replacement adjustment, simultaneously, the modularization board spare after individual replacement adjustment, same can rely on the clamping block and the clamping groove of its both ends and the modularization board spare of adjacent interval and carry out the clamping connection to ensure the connecting strength, also can rely on the first connecting column and the connecting mouth of its both ends and right mounting seat and left mounting seat and carry out the clamping connection to ensure the stability after installation, and modularization board spare also can be according to the need of using, transverse assembly to adjust its length to improve its flexibility in use.

This utility model relates to the field of protective cover technology, specifically a protective cover for connecting a rebar threaded sleeve. It includes a protective cover body, with a sealing plug and a sealing sleeve fixedly connected to the left side wall of the protective cover body. The sealing plug is located in the middle of the left side wall of the protective cover body, and the sealing sleeve is located outside the sealing plug. The protective cover body is inserted into one end of the rebar threaded sleeve via the sealing plug. In operation, the sealing plug is fully inserted into the exposed end of the rebar threaded sleeve. The threaded sleeve is rotated counterclockwise to move to the left along the outer wall of the threaded tube. The threaded sleeve drives the connecting rod and the compression ring to move to the left. The compression ring compresses the circular rubber strip and the sealing sleeve, causing the sealing sleeve to deform and tightly adhere to the outer wall of the rebar threaded sleeve. This reduces the gap between the inner wall of the sealing sleeve and the outer wall of the rebar threaded sleeve, forming an outer seal and reducing the entry of external dust and moisture into the rebar threaded sleeve.

The utility model provides a heat insulation assembly, a battery and a power utilization device. The heat insulation assembly comprises a heat insulation main body, a bonding layer and a separation layer, the heat insulation body is provided with connecting faces and side wall faces, the connecting faces are arranged in pairs and distributed at intervals in the first direction, and the side wall faces are connected between the connecting faces arranged in pairs. The bonding layer is arranged on the connecting surface and is connected with the heat insulation main body; the separating layer covers the side, away from the heat insulation body, of the bonding layer. Wherein the heat insulation main body is provided with a notch, the notch is formed by sinking the side wall face into the heat insulation main body, and the orthographic projection of the separation layer in the first direction covers the notch. According to the heat insulation assembly provided by the embodiment of the invention, the separation layer can be stripped conveniently.

The invention provides an integrated connector with a filtering magnetic ring and an inverter, the connector comprises a socket part and a plug part, the socket part comprises a socket shell, the filtering magnetic ring and a connecting column, the socket shell is provided with an annular groove and a cylindrical groove, the filtering magnetic ring is arranged in the annular groove, the connecting column is arranged in the cylindrical groove, and the filtering magnetic ring is arranged in the cylindrical groove. The socket part is arranged on the box body through the first connecting position; the plug part comprises a plug shell and a contact pin, the contact pin is arranged in the plug shell, the plug part is in butt joint with the connecting column of the socket part through the contact pin, and under the condition that the plug part is in butt joint with the socket part, the plug part is arranged in the box body through the second connecting position. According to the integrated connector with the filtering magnetic ring, the filtering magnetic ring is integrated in the socket part, the number of parts of an inverter is reduced, the assembling difficulty and cost are reduced, the EMC performance of the connector is improved, the internal space is saved, a high-voltage interlocking wire harness is omitted, the overall size is reduced, and the design requirement for miniaturization is met.

The utility model relates to laser cutting equipment technical field, concretely relates to a synchronous telescopic load platform. The utility model provides a synchronous telescopic load platform, including base, the slide rail mechanism of setting in the both sides of base and with the support mechanism of slide rail mechanism connection, the slide rail mechanism includes the horizontal setting guide rail, the fixed slide block of being fixed in the one end of guide rail and with the mobile slide block of guide rail sliding connection, the bottom of fixed slide block and mobile slide block passes through telescopic connecting rod and constitutes articulated structure, the support plate that the support mechanism includes the support strip of being located fixed slide block and mobile slide block on and being fixed on support strip. This load platform passes through the support structure design of synchronous telescopic, solves the problem that the spacing of traditional load platform support plate is not adjustable, the replacement of replacement tooling is complicated and the waste material is difficult to discharge, improves the processing flexibility and efficiency of laser cutting equipment.

The utility model relates to the field of building decoration and equipment installation, and discloses a novel anchoring assembly which comprises an anchoring base plate and L-shaped pressing plates, four sliding grooves are formed in the middle of the top end of the anchoring base plate, and the two L-shaped pressing plates are arranged at the top of the anchoring base plate in a sliding mode. Four sliding mandrels are fixedly arranged at the bottoms of the two L-shaped pressing plates, butt-joint type anti-falling blocks are fixedly arranged at the tops of the two L-shaped pressing plates, pressing plate clamping grooves are formed in the inner sides of the two L-shaped pressing plates, square pipes are connected into the two L-shaped pressing plates in a clamped mode, and clamping grooves are formed in the inner sides of the two L-shaped pressing plates. A sliding adjusting structure composed of a sliding groove of an anchoring base plate and sliding mandrels of L-shaped pressing plates is arranged, butt joint type anti-disengaging blocks are arranged at the tops of the two L-shaped pressing plates, when the L-shaped pressing plates are clamped, the anti-disengaging blocks are attached to each other to form a blocking face to prevent looseness, pressing plate clamping grooves are formed in the inner sides of the two L-shaped pressing plates, and therefore the anti-disengaging blocks can be clamped tightly. And the anti-falling tenon is clamped with the anti-falling tenon on the surface of the square tube, so that the square tube is fixed.

The present invention discloses a cable climbing robot, including a walking mechanism for moving along the axial direction of the cable and a gravity self-locking module connected to the walking mechanism; the gravity self-locking module has a lifting ring for suspending a heavy object and a foot for holding the cable under the gravity traction of the heavy object. Under the action of the gravity self-locking module, the aforementioned walking mechanism can automatically adjust the friction between it and the cable according to whether the gravity self-locking module is towing a heavy object and the mass of the towed heavy object, so as to ensure the connection strength between the walking mechanism and the cable. Among them, the gravity self-locking module is an under-actuated foot gravity self-locking mechanism, which can not only assist the walking mechanism to meet the traction and dragging of heavy loads, but also will not increase the number of power equipment, which is conducive to the lightweight of the cable climbing robot and meets the large load traction and dragging operation of the cable climbing robot.

The present application relates to the technical field of baby swings, and particularly relates to a backrest angle adjusting mechanism, a seat and a baby swing. The backrest angle adjusting mechanism comprises a front wall pipe, a rear wall pipe, a first pivot as a rotation center, a first clamping groove and a second clamping groove, a sliding groove, a clamping block, a first abutting portion, a first stop portion, a second abutting portion and a second stop portion. The rear wall pipe is rotatable relative to the front wall pipe. The sliding groove is axially arranged on the rear wall pipe. The clamping block is slidably arranged in the sliding groove. The clamping block is selectively clamped with any one of the first clamping groove and the second clamping groove. The first abutting portion is arranged at the end of the rear wall pipe. The first stop portion is arranged on the front wall pipe to stop the first abutting portion. The second abutting portion is arranged at the end of the front wall pipe. The second stop portion is arranged on the rear wall pipe to stop the second abutting portion. The backrest angle adjusting mechanism can adjust the angle between the rear wall pipe and the front wall pipe, and can ensure the connection strength between the rear wall pipe and the front wall pipe.

The utility model provides a prefabricated wall body and a wall beam connecting joint. The prefabricated wall body comprises two wall plates which are opposite to each other to form a cavity; a keel framework is arranged in the cavity and divides the cavity into a lower pre-filling area and a top cast-in-place area; at least part of the lower pre-filling area is pre-filled with a thermal insulation material; the top cast-in-place area is used for containing a top frame beam with a circulation hole and concrete flowing in through the circulation hole of the top frame beam when a floor slab is cast in place. Through the prefabricated wall body, the top cast-in-place area and the top frame beam with the circulation hole are arranged in a matched mode, after the prefabricated wall body is fixedly connected with the top frame beam with the circulation hole, concrete pouring is conducted on a floor slab connected subsequently on a construction site, and the concrete poured into the floor slab flows into the top frame beam; and the water flows into a top cast-in-place area through the circulating holes of the top frame beam, so that the connection between the top frame beam and the prefabricated wall body is firmer, the integrity is higher, and the shock resistance is better.

The invention relates to the technical field of civil engineering, in particular to a steel sheet pile supporting device. The steel sheet pile supporting device comprises a pile plate body, an enclosing purlin assembly and a steel pipe support, and the pile plate body is fixedly connected with the enclosing purlin assembly through a hanging piece; the enclosing purlin assembly comprises a front plate, a rear plate and I-shaped steel, the front plate and the rear plate are connected through at least two sets of first bolts, and the length of the first bolts is larger than the distance between the front plate and the rear plate. The I-shaped steel is inserted between the front plate and the rear plate, and the number of the I-shaped steel is 2-3; the steel pipe support is a steel pipe, the steel pipe support is connected with the front plate, at least two sets of first stiffening ribs are arranged at the end of the side, close to the front plate, of the steel pipe support, and the steel pipe support is in threaded connection with the supporting piece through the first bolt holes. According to the supporting device, the assembling procedure is greatly simplified, the connection between the steel pipe support and the enclosing purlin assembly is firmer and more reliable, the load effect under the full working conditions of supporting tension, pressing and the like can be effectively resisted, and the overall stability and the bearing capacity of the supporting device are further improved.

The utility model discloses a refractory ball grate brick for a regenerative chamber, which comprises a brick body, grate holes are formed in the surface of the brick body in a penetrating manner, a strip-shaped groove is formed in the upper surface of the brick body, a strip-shaped filling body is arranged on the lower surface of the brick body, the height of the strip-shaped filling body is half of that of the strip-shaped groove, and the height of the strip-shaped filling body is half of that of the strip-shaped groove. Through holes are formed in the surface of the brick body in a penetrating mode, the through holes are filled with heat preservation plates, and the heat preservation plates are made of asbestos board materials or extruded polystyrene board materials. When the grate brick is piled up, the strip-shaped filling body at the bottom of the grate brick on the upper layer is aligned with the strip-shaped groove in the upper surface of the grate brick on the lower layer and clamped into the strip-shaped groove, and a certain space is reserved between the strip-shaped filling body and the strip-shaped groove, so that a constructor can conveniently add concrete filler into the strip-shaped groove in advance; the connection intimacy and stability between the grate bricks are enhanced while the connection strength of the grate bricks is ensured.

The utility model relates to a kind of combination structure of table beam and table leg and table, the combination structure includes crossbeam (1), table leg (2), end cap (3), connecting piece (4);The both ends of the crossbeam (1) are equipped with crossbeam end portion inner cavity (13);The end cap (3) includes end cap main body (31);The end cap main body (31) is embedded crossbeam end portion inner cavity (13);The crossbeam (1) is connected with table leg (2) by end cap (3);The both ends of the crossbeam (1) are also equipped with crossbeam bottom groove (12);The connecting piece (4) is connected with crossbeam bottom groove (12);The crossbeam (1) is connected with table leg (2) by connecting piece (4). Compared with prior art, the crossbeam in the utility model is connected with table leg by end cap and connecting piece in different directions, in the case of ensuring the connecting strength, the welding piece on table leg is dispensed with, so that the more economic packaging demand is achieved, and the combination structure of the utility model is easy to install and disassemble.

The utility model belongs to the technical field of hollow-core optical fiber cables, and particularly discloses a hollow-core and solid-core hybrid optical fiber cable, which comprises at least two 8-shaped solid-core optical fiber and hollow-core optical fiber hybrid optical fiber bundles, each 8-shaped solid-core optical fiber and hollow-core optical fiber hybrid optical fiber bundle comprises a solid-core optical fiber, a hollow-core optical fiber and a connecting structure, the solid core optical fiber comprises a solid core optical fiber core, a first cladding and a first coating which are sequentially arranged from inside to outside; the hollow-core optical fiber and the solid-core optical fiber are equal in length, and the hollow-core optical fiber comprises a hollow-core optical fiber core, a second wrapping layer and a second coating which are sequentially arranged from inside to outside; the connecting structure wraps the first coating and the second coating so as to connect the first coating and the second coating into a whole. The hybrid optical fiber cable is based on hybrid cabling of the hollow-core optical fiber and solid-core optical fibers such as G.652D, G.654E or G.655, assistance can be provided for positioning of abnormal points of the hollow-core optical fiber by means of detection of the abnormal points of the solid-core optical fiber, meanwhile, a network can be rapidly recovered by means of the solid-core optical fiber, the fault influence is reduced, and the application and maintenance convenience of the hollow-core optical fiber is improved.

The invention relates to the technical field of steel wire machining, in particular to a steel wire head casting die which mainly comprises a machining table, a supporting frame fixedly installed on the top face of the machining table, a lower die fixedly installed on the top face of the machining table through bolts, an upper die arranged above the lower die and a fixing mechanism arranged on one side of the lower die. The fixing mechanism comprises a clamping plate located on one side of the lower die, an L-shaped rod and a removing mechanism are fixedly installed on the outer wall of the clamping plate, and the removing mechanism is arranged on one side of the clamping plate. After a steel wire and a steel wire sleeve are combined, an upper die moves upwards, an elastic piece pushes a moving block and an air bag to move upwards, the upper end of the air bag and the inner wall of the upper end of a cavity extrude, air in the air bag is sprayed into a groove of a lower die from a spray head through an exhaust pipe and a hose, and metal chippings generated by stamping are blown away; and the next group of to-be-assembled steel wire sleeves and steel wires are prevented from being damaged by metal scraps, so that the connection strength between the steel wires and the steel wire sleeves, the safety performance of the whole assembly and the service life of the whole assembly are ensured.

The present invention relates to the field of home decoration technology, and in particular to an assembled cabinet and an assembly method. The assembled cabinet comprises: a first plug-in structure, which is arranged at a first position corresponding to an assembled wallboard and a cabinet top plate, the first plug-in structure has a first opening allowing a first connector to be inserted, and a first slot is provided on the first connector; a second plug-in structure, which is arranged at a second position corresponding to an assembled wallboard and a cabinet bottom plate, the second plug-in structure has a second opening allowing a first bearing member to be inserted, and the first bearing member extends in a direction away from the assembled wallboard; a second bearing member, which is parallel to the first bearing member and arranged at intervals; a cabinet bottom plate, which is arranged on the first bearing member and the second bearing member; a partition, which is arranged on the cabinet bottom plate and is plugged and fixed with the first slot; a door plate, which is arranged on the cabinet bottom plate and is hinged with the partition, and a second connector allowing the partition to be inserted is provided on the top of the door plate; and a cabinet top plate, which is arranged above the partition and the door plate. The present invention has high installation efficiency and is safe and environmentally friendly.

This invention discloses a composite material flame tube and an aero-engine, belonging to the field of aero-engine technology. The flame tube includes a metal frame, an inner ring assembly, and an outer ring assembly. The metal frame includes a flame tube head assembly, a nozzle seat support rod, a positioning pin support rod, an outer ring outlet assembly, and an inner ring outlet assembly. The flame tube head assembly includes an annular head base, which is connected to the outer ring outlet assembly via the nozzle seat support rod and the positioning pin support rod. The head base is also connected to the inner ring outlet assembly via the positioning pin support rod. A nozzle seat is installed in a pre-set mounting hole on the nozzle seat support rod. A positioning pin bolt is installed in a pre-set sixth screw hole on the positioning pin support rod. The positioning pin bolt is used to connect and position the inner ring of the flame tube to the positioning pin support rod, and also to connect and position the outer ring of the flame tube to the positioning pin support rod. This invention can solve the problem of poor sealing between the metal material and the non-metallic composite material in the hot state of the flame tube.

The present invention relates to the technical field of condensers, and discloses a tube-and-belt condenser based on a plastic fixed structure, comprising a condenser assembly, a fixed bracket and a fixed support, wherein the condenser assembly comprises a tube-and-belt member arranged in a serpentine shape, wherein the tube-and-belt member comprises a plurality of transverse tube bands, wherein the plurality of transverse tube bands are arranged from top to bottom, and the ends of two adjacent transverse tube bands are fixedly connected by an arc-shaped tube band, and a plurality of heat-conducting fins are fixedly connected between the two adjacent transverse tube bands, and a gap is formed between the two adjacent heat-conducting fins, and a first fixing member for supporting and fixing the side surface of the condenser assembly is arranged on the fixed bracket, and the fixed bracket is detachably mounted on the fixed support, and a second fixing member for supporting and fixing the bottom of the condenser assembly is arranged on the fixed support, and the present invention can quickly limit and fix the condenser assembly, so that the condenser can be fixed on the automobile more quickly, thereby improving the stability and accuracy of the installation.