12results about How to "Increase link length" patented technology

The utility model belongs to the technical field of network cabinets, and discloses a novel network cabinet for a data center, which comprises a top plate, a bottom plate, and two front upright posts and two rear upright posts which are fixedly connected between the top plate and the bottom plate and are symmetrical to each other, side crosspieces are horizontally and fixedly connected between the middles of the front stand columns and the rear stand columns located on the same side, U-shaped stand columns are vertically and fixedly connected to the inner sides of the rear ends of the front stand columns and the rear stand columns, middle stand columns are vertically and fixedly connected to the middles of the side crosspieces, and the upper ends and the lower ends of the front stand columns, the rear stand columns, the U-shaped stand columns and the middle stand columns are fixedly connected with inner cross beams. According to the invention, a traditional frame welding mode is optimized into a nested welding mode, so that the cabinet is integrally formed, is more stable, is not liable to deform, and is neat and beautiful in appearance.

The utility model relates to a high-voltage rubber-insulated wire lamp string which comprises a wrapping layer and a connecting wire module arranged on the wrapping layer. The connecting line module comprises a first power supply wire and a second power supply wire which are arranged on the two sides in the wrapping layer, and a circuit control board arranged between the first power supply wire and the second power supply wire; the end part of the circuit control board comprises a first terminal and a second terminal; the first terminal is electrically connected with the first power supply wire, and the first terminal is electrically connected with the first power supply wire; the circuit control board is provided with a plurality of light-emitting part series units which are formed by series voltages consisting of nine light-emitting parts and have working voltages of 110V or 220V; the light-emitting part series unit comprises a first light-emitting part, a second light-emitting part... and a ninth light-emitting part; the second light-emitting part... and the ninth light-emitting part have the same structure; the first light-emitting part adopts an LED with the specification model of 3020, and a constant-current element is arranged in the first light-emitting part; and the second light-emitting part... and the ninth light-emitting part adopt LEDs with the specification model of 3020. The structure of the utility model ensures that the product is stable and reliable.

The embodiment of the invention provides a photovoltaic cell piece and a photovoltaic module, the photovoltaic cell piece comprises a body and a main grid, the main grid is arranged on the body, the main grid comprises a connecting part, a first end part and a second end part, and two ends of the connecting part along a first direction are respectively connected with the first end part and the second end part; one of the first end part and the second end part is of a harpoon structure, and the other one is of a linear structure extending in the first direction. According to the above structure, the effective connection length and the effective connection area of the main grid and the welding strip can be increased, the collection capability of the welding strip to the current on the auxiliary grid at the edge part can be improved, and the power generation efficiency of the photovoltaic cell can be further improved.

The utility model discloses an expansion structure based on the existing raft foundation, which comprises an original raft structure, the original raft structure comprises an original bottom layer reinforcing steel bar, an original top reinforcing steel bar, an original concrete layer and an original waterproof layer, a connecting part is arranged on one side of the original raft structure, and an external expansion raft structure is arranged on the connecting part and the extension part of the connecting part. An anti-shearing piece is arranged between the original raft plate structure and the external expansion raft plate structure; a bottom lap joint groove is formed in the bottom of the original raft plate structure, the externally-expanded raft plate structure comprises externally-expanded bottom layer steel bars, externally-expanded top steel bars, an externally-expanded concrete layer and an externally-expanded waterproof layer, the original top steel bars are fixedly connected with the externally-expanded top steel bars, the original bottom layer steel bars are fixedly connected with the externally-expanded bottom layer steel bars, and the original waterproof layer is connected with the externally-expanded waterproof layer in a lap joint mode. The structure can be expanded on the basis of an original structure, the problem of dismantling and rebuilding is avoided, damage to the original structure foundation is reduced, integrity and safety of a building structure are guaranteed, construction cost is effectively reduced, and generalizability is high.

The utility model relates to the field of troweling machines, and discloses a ground troweling machine which comprises a machine body and a connecting rod, a connecting block is fixedly connected to one side of the outer surface of the machine body, a fixing cavity is formed in one side of the interior of the connecting block, a sliding groove is formed in one side of the outer wall of the connecting block, and a second spring is fixedly connected to one side of the interior of the sliding groove. The interior of the sliding groove is elastically and slidably connected with a mounting rod through the second spring. A pull plate is pulled to drive a mounting rod to move, a fixing block is aligned with a fixing cavity, then the fixing block is inserted into the fixing cavity, a connecting rod is rotated by 90 degrees, the fixing block is mounted in the fixing cavity, meanwhile, a mounting hole is aligned with a mounting rod, and therefore the pull plate is loosened; and elastic potential energy generated by compression of the second spring pushes the mounting rod to enter the mounting hole, so that the effect of quickly disassembling and assembling the connecting rod is achieved, and the situation that the occupied area is large due to connection of the connecting rod and the machine body is reduced.

The utility model provides a kind of exhaust pipe structure and rotatory compressor for rotatory compressor, comprising: exhaust pipe body, hole for connecting equalizing pipe is equipped on exhaust pipe body;Reinforcing structure, it is set on exhaust pipe body, reinforcing structure is used to increase the connecting length of hole and equalizing pipe.The utility model can increase the connecting length of exhaust pipe body and equalizing pipe, thereby increase the welding penetration of exhaust pipe body and equalizing pipe, guarantee welding quality, improve welding strength, thereby reduce the probability that the leakage at this welding place leads to compressor failure.

The utility model belongs to the technical field of telescopic devices, and discloses a die tooth combined type multidirectional displacement seamless telescopic device. According to the main technical characteristics, the displacement control box, the displacement sliding box, the first sealing water-stop belt and the second sealing water-stop belt are included, and left side steel, middle supporting steel and right side steel are arranged below the left comb tooth, the middle comb tooth and the right comb tooth; a first supporting plate, a second supporting plate, a first arc-shaped stainless steel plate and a first polyurethane elastomer are arranged between the left side steel and the middle supporting steel, and a third supporting plate, a fourth supporting plate, a second arc-shaped stainless steel plate and a second polyurethane elastomer are arranged between the middle supporting steel and the right side steel. According to the die tooth combined type multidirectional displacement seamless expansion device, seamless connection is formed, the function of preventing dust and grit on the road surface from entering the expansion joint is achieved, the water stopping effect is ensured, vehicles can pass through the expansion joint more stably, and noise is lower.

The utility model discloses a safety type lifting device for building operation construction, which comprises an electric scaffold, a lifting device and a lifting device, and the electric scaffold comprises a stand column, a supporting rod, a diagonal draw bar and a U-shaped connecting piece; the connecting assembly comprises a square pipe, a through hole, a T-shaped inserting rod, a spring, a connecting pipe, a first kidney-shaped hole and a second kidney-shaped hole, the square pipe is fixed to the middle and the lower end of the side edge of the stand column, the through hole is formed in the middle of the side edge of the square pipe, the T-shaped inserting rod is inserted into the through hole, the T-shaped inserting rod is sleeved with the spring, one end of the spring is fixed to the T-shaped inserting rod, and the other end of the spring is fixed to the side edge of the square pipe; the first kidney-shaped hole is formed in the middle of the side edge of the connecting pipe, and the second kidney-shaped hole is formed in the middle of one end of the supporting rod. The problems that when a supporting rod used for fixing a chassis is installed, the supporting rod and an inclined pull rod need to be connected to the side edge of a scaffold through bolts, inclined disassembly is inconvenient, and the construction efficiency is low are solved.

The invention relates to the technical field of scanning electron microscopes, and discloses a high-voltage punch-through assembly and a scanning electron microscope with the same. The high-voltage punch-through assembly is suitable for being installed on the scanning electron microscope in a sealed mode, and comprises a punch-through sleeve, one end of the punch-through sleeve is provided with a concave socket, the other end of the punch-through sleeve is closed, and the closed end of the punch-through sleeve is fixedly provided with a plurality of conductive electrodes; the conductive cable is installed in the penetrating sleeve, the conductive cable extends in the axial direction of the penetrating sleeve and is suitable for extending out of the conductive cable, and the conductive cable is conductively connected with the conductive electrode; and the connecting piece is fixedly arranged on the outer side wall of the penetrating sleeve, and the connecting piece is suitable for being matched with a matching piece on the scanning electron microscope for vacuum sealing. The high-voltage punch-through assembly is detachably installed on the scanning electron microscope, and when the scanning electron microscope is maintained and carried, the connecting piece and the matching piece are separated from each other, so that the electron gun cavity and the conductive cable are respectively carried and maintained.

The invention relates to the technical field of pedal installation, in particular to a pedal installation assembly fastening device, an inserting plate is provided with an opening inserting groove attached to the outer wall of a solenoid, the inserting plate is located between a step column and an oval block, a cross beam frame is provided with a side plate frame located on the outer side of a turnover wing plate, and the side plate frame is provided with a dislocation piece matched and connected with an extending long groove in an inserted mode. The cross beam frame has the beneficial effects that the turnover wing plates are matched with the insertion screw sleeves, so that the connecting length between the locking bolts and the mounting plate is increased, the fastening strength is improved, and the cross beam frame is not prone to falling off, so that the cross beam frame is not prone to falling off, and the service life of the cross beam frame is prolonged. And meanwhile, the turnover wing plate is elastically deformed through traction of the traction assembly, and the purpose of fixing the circumferential angle and the longitudinal sliding position of the locking screw sleeve is achieved while deformation is conducted, so that the strength of fastening connection is improved, and looseness of the connection position caused by impact is avoided.

The invention discloses an auxiliary frame reinforcing plate with welding connection structures, an installation method and an auxiliary frame. The auxiliary frame reinforcing plate comprises two auxiliary frame longitudinal beam upper plates and an auxiliary frame front cross beam upper plate, and the two auxiliary frame longitudinal beam upper plates are connected to the two ends of the auxiliary frame front cross beam upper plate through the welding connection structures respectively; an overlapping surface is arranged at the connecting position of the auxiliary frame longitudinal beam upper plate and the auxiliary frame front cross beam upper plate, and the connecting position is connected by welding; the auxiliary frame longitudinal beam upper plate and the auxiliary frame front cross beam upper plate are connected through the welding seam connecting structure, the local stress of the welding seam can be remarkably reduced through the design of the welding seam connecting structure, the reliability and the using mileage of the auxiliary frame are improved, and the modal performance and the rigidity performance are improved; compared with the improvement of the overall structure of the existing auxiliary frame, only the local structure of the auxiliary frame needs to be improved, a new mold does not need to be arranged again, the cost is low, and the structure is simple.