11results about How to "Uniform and reasonable force" patented technology

The invention relates to a multi-stage deep scarification device based on a rotary cultivator additional rack system, and belongs to the technical field of land deep scarification equipment.The multi-stage deep scarification device specifically comprises a rack and a rotary cultivator installed on the rack, and a first stubble-cutting straw-cleaning deep scarification cutter is installed on the front portion of the rotary cultivator; the rear part of the rotary cultivator is provided with a second stubble cutting and straw cleaning subsoiling cutter and a third stubble cutting and straw cleaning subsoiling cutter, and the first stubble cutting and straw cleaning subsoiling cutter, the second stubble cutting and straw cleaning subsoiling cutter and the third stubble cutting and straw cleaning subsoiling cutter are respectively arranged on the rack; the upper portions of the first stubble-cutting and straw-cleaning subsoiling cutter, the second stubble-cutting and straw-cleaning subsoiling cutter and the third stubble-cutting and straw-cleaning subsoiling cutter are fixedly connected with the rack through pull rods, a follow-up frame is hinged to the tail of the rack, and a pressing roller is installed on the follow-up frame. The subsoiling machine is simple in structure and reasonable in design, the subsoiling efficiency can be greatly improved, and grading subsoiling is achieved.

The invention relates to an anti-sedimentation bridge girder erection machine front supporting leg device and a construction method thereof.The anti-sedimentation bridge girder erection machine front supporting leg device comprises a main beam, a lifting mechanism and a supporting rod, the lifting mechanism is provided with a first connecting part and a second connecting part, the supporting rod is provided with a first connecting matching part and a second connecting matching part, and when the first connecting part is connected with the first connecting matching part, the second connecting matching part is matched with the first connecting matching part; when the second connecting part and the second connecting matching part are disconnected, the supporting rods are static relative to the lifting mechanism, and the second connecting part and the second connecting matching part are connected, the first connecting part and the first connecting matching part are disconnected, the lifting mechanism drives the supporting rods to move downwards, automatic plug pin mechanisms are arranged on the supporting rods, and a movable beam is arranged between the two supporting rods. According to the anti-sedimentation bridge girder erection machine front supporting leg device and the construction method thereof, the supporting rods are pressed by the oil cylinders to be inserted into a seabed or a riverbed to avoid sedimentation of the bridge girder erection machine during construction, the bottom ground supporting area is increased through the movable beams, stress is uniform and reasonable, safety and reliability are achieved, and the safety and stability of the bridge girder erection machine are enhanced.

The utility model discloses a pressing plate installation structure of a photovoltaic assembly, which comprises an installation beam and a pressing plate assembly for fixing the photovoltaic assembly on the installation beam, and the pressing plate assembly comprises an upper pressing plate arranged above the installation beam, a lower pressing plate arranged below the installation beam and a pressing plate bolt for connecting the upper pressing plate and the lower pressing plate. The photovoltaic module is provided with a module frame, the module frame is provided with a C edge, the edge of the C edge is provided with an upper convex edge, the bottom surface of the upper pressing plate is provided with a first lower protrusion which is pressed on the C edge, and the first lower protrusion is matched with the upper convex edge in a limiting mode so as to prevent the first lower protrusion from being dislocated from and separated from the C edge. According to the utility model, the pressing of the C edge of the assembly frame is more reliable, and the problem that the pressing plate and the C edge of the assembly frame are easy to horizontally misplace in the prior art is solved.

The present application relates to an elastic body strain structure for a load sensor, including: a first fixing seat, a second fixing seat and a strain column; the first fixing seat and the second fixing seat are respectively located at the two ends of the strain column; the strain column is an I-beam structure, the strain column includes a web and two flange plates, the opposite ends of the web are respectively connected to the first fixing seat and the second fixing seat, and the opposite ends of the flange plates are respectively connected to the first fixing seat and the second fixing seat. The present application designs the strain column as an I-beam structure, which greatly improves its ability to resist eccentric loads and restrains the local deformation generated in the area where the upper end face is subjected to concentrated force. Because of the characteristics of the I-beam structure itself, the unbalanced stress will be redistributed, the web will generate considerable tension and hinder the increase of deflection, so that the overall force of the strain column is more reasonable and balanced, thereby improving the anti-eccentric load capacity of the designed load sensor.

The invention discloses a steel plate assembled mud pool, which comprises two side plates and two end plates, each end plate comprises a first unit plate, each side plate comprises at least two second unit plates; each unit plate comprises a steel panel and a top beam, a bottom beam and two columns welded on the inner surface of the steel panel, each column is a vertical channel steel with an opening facing inward, and the two ends of the two beams are respectively welded to the two columns; each column of each first unit plate is screwed to the column on the side of the adjacent second unit plate through a vertical angle steel; the non-side column of each second unit plate is screwed to the column on the adjacent side of the adjacent second unit plate through a vertical T-shaped steel steel vertical plate; two upper and lower tie beams are welded between the steel horizontal plate of each T-shaped steel and the steel horizontal plate of a T-shaped steel directly facing the opposite side plate; the mud pool also comprises a concrete bottom plate cast on the ground. The mud pool is simple and convenient to transport, assemble and disassemble.

The utility model relates to the technical field of steel structure nodes, and discloses a connecting structure of large steel structure tree supporting nodes, which comprises a plurality of main tree trunks and a plurality of components, and first connecting units and second connecting units for connection are arranged between the main tree trunks and the components and between the components. The first connecting unit comprises at least two or more supporting pipes, and the supporting pipes are connected through penetration welding. The second connecting unit comprises a connecting flange arranged at the end of the component or the supporting pipe and a connecting bolt used for fixing. In practical application, the utility model provides a node connecting structure which is attractive in appearance and simple and efficient in construction aiming at an indoor large steel structure tree.

This invention relates to the field of bridge construction technology, and discloses a support system and construction method for a mainline bridge cap beam. The system includes: a cap beam formwork support, which provides a supporting foundation for the mainline bridge cap beam formwork; the cap beam formwork support includes: a first cap beam formwork support and a second cap beam formwork support; multiple bracket structures connected to the existing mainline bridge piers; both ends of the bracket structures extend outward beyond the mainline bridge piers, forming cantilever ends; the first cap beam formwork support is erected on the cantilever ends of the bracket structures, with its top providing support for the mainline bridge cap beam formwork; the second cap beam formwork support is erected above the existing auxiliary road bridge deck, with its top providing support for the mainline bridge cap beam formwork; the first and second cap beam formwork supports are connected to form an integrated support system. Because the cap beam formwork support does not occupy the river channel area under the bridge, it ensures that the river's flood control and navigation functions are not affected; and it effectively shortens the construction period.

The utility model provides a kind of ball pin dismounting tool, belong to mechanical dismounting tool technical field, it includes screw rod, cross bar, calliper, adjusting nut and press-down platform, cross bar is equipped with calliper and slidingly connected, adjusting nut is equipped with screw rod and is fixed with cross bar, press-down platform is equipped with screw rod bottom end.Working, calliper is connected axle bridge knuckle, rotates screw rod and makes press-down platform press down ball pin, calliper is on top axle bridge knuckle, realize the separation of both.The tool is convenient and labor-saving, can be stable force, reduce component damage, adapt to a variety of specifications ball pin, structure stable and reliable, prolong service life.

The utility model relates to the technical field of snow melting machines, and discloses a snow melting machine double-stirring blade which comprises an installation disc and an end disc, two stirring blades are arranged between the installation disc and the end disc, the installation disc is in a disc shape, two symmetrically-distributed connecting plates are arranged at the end, away from the end disc, of the installation disc, the two connecting plates are in fan shapes with radians, and the two stirring blades are arranged on the installation disc. A connecting block is arranged in the middle of the end, away from the end disc, of the mounting disc, a mounting block is arranged at the other end of the mounting disc, and a mounting groove is formed in the middle of one side of the mounting block. According to the double stirring blades of the snow melting machine, the stirring efficiency and the snow melting uniformity are remarkably improved through the two spiral stirring blades which are arranged between the mounting disc and the end disc in an alternating mode, the mounting disc is designed in a disc shape and is provided with the two symmetrically-distributed connecting plates with the fan-shaped included angle ranging from 80 degrees to 130 degrees, and by means of the design, the stability of the structure is enhanced, and the snow melting efficiency is improved. And the mounting layout of the stirring blades is also optimized.

The invention discloses an anti-toppling device for roller supporting leg anchoring. The anti-toppling device comprises a roller supporting leg, an anchoring assembly, a guide beam and a pier. The lower ends of the roller supporting legs are supported on the bridge piers, and rollers at the upper ends support the bottom surface of the guide beam; the anchoring assembly comprises a front-end pull rod, a rear-end pull rod, a cross beam and a longitudinal connection fine deformed steel bar; the front-end pull rod and the rear-end pull rod are respectively and obliquely arranged; the upper ends of the front-end pull rod and the rear-end pull rod are respectively connected with the middle upper parts of the roller supporting legs; the lower end of the front-end pull rod extends to the front end of the pier; the lower end of the rear end pull rod extends to the rear side of the bridge pier; cross beams are arranged on the outer sides of the lower ends of the front-end pull rod and the rear-end pull rod respectively, and the front-end pull rod and the rear-end pull rod are connected with the corresponding cross beams respectively. Stable support can be provided for the roller supporting leg, and the stability of the overall structure of the roller supporting leg is remarkably enhanced; and meanwhile, the bridge pier structure is not damaged by drilling, and disposable refined deformed steel bars are not implanted, so that the construction cost is remarkably saved.

The utility model discloses a horizontal support and steel beam connection reinforcing member in constructional engineering, which comprises a steel beam, horizontal beams are fixedly connected to two sides of the steel beam, two angle brace connecting plates are arranged on the front side and the rear side of the steel beam in a penetrating manner, and the two angle brace connecting plates are fixedly connected with the steel beam through bolts. Two reinforcing plates are arranged on the front sides and the rear sides of the two horizontal beams correspondingly, mounting plates are attached to one sides of the four reinforcing plates correspondingly, connecting pieces are fixedly connected to the left side and the right side of the steel beam correspondingly, U-shaped plates are fixedly connected to the tops of the two horizontal beams correspondingly, and inclined rods are fixedly connected to the sides, opposite to the U-shaped plates, of the connecting pieces correspondingly. Supporting pieces are arranged at the bottoms of the two horizontal beams. Through the cooperative use of the angle brace connecting plate, the reinforcing plate and the inclined rod, the joint of the connection of the steel beam and the horizontal beam is more stable, the overall stability of the steel beam and the horizontal beam is effectively enhanced, and the fatigue damage of the connection of the steel beam and the horizontal beam caused by local stress concentration can be avoided.