74results about How to "Realize the supporting role" patented technology

The present invention discloses a slurry-stopping plug. It is formed from hard internal ring, flexible external lantern ring and retaining member. Said invention also provides the concrete structure of the above-mentioned every component. Besides, said invention also provides the slurry-injection joint matched with the slurry-stopping plug.

The invention discloses early-strength sprayed concrete and belongs to the technical field of concrete. The early-strength sprayed concrete is prepared from, by weight, 400-450 parts of sulphate aluminium cement, 20-50 parts of silicon powder, 800-1000 parts of medium sand, 800-1000 parts of crushed stone, 1-2.5 parts of a water reducer, 0.03-0.09 part of lithium carbonate and 180-225 parts of water. The concrete is particularly suitable for quick repairing, emergency maintenance and supporting engineering of weak surrounding rock, and has the advantages of being quick in setting and early in strength, high in hour strength, high in resilience and low in production cost.

The invention relates to a magnetic levitation bearing system, in particular to a manual type bearing protection device. The manual type bearing protection device comprises a rotor, two bearing seats,two groups of bearing protection assemblies and a manual driving assembly; two ends of the rotor are in a circular truncated cone shape; the two bearing seats are arranged at the two ends of the rotor, and the two ends of the rotor extend into the bearing seats; the two groups of the bearing protection assemblies are symmetrically and slidably arranged in the bearing seats, cone-shaped holes which are matched with the ends of the rotor are formed in the bearing protection assemblies; and the manual driving assembly drives the bearing protection assemblies to axially move close to each other until the bearing protection assemblies are in contact with the rotor. The manual type bearing protection device can temporarily support the rotor when a magnetic bearing system fails, can manually protect the rotor, prevents damage caused by falling of the high-speed rotor, and improves the security of the system.

The invention relates to a magnetic suspension bearing system, in particular to an electromagnetic adsorption clamping type protection bearing device. The device comprises a double-conical-surface sleeve, supporting assemblies and a electromagnetic adsorption assembly; the outer surface of the double-conical-surface sleeve is provided with two conical surfaces, and the double-conical-surface sleeve sleeves a rotor; the two supporting assemblies are assembled on the outer periphery of the double-conical-surface sleeve in an axial sliding mode, the two supporting assemblies are arranged corresponding to the two conical surfaces, and the inner surfaces, facing the double-conical-surface sleeve, of the supporting assemblies are conical surfaces matched with the corresponding conical surfaces of the sleeve; and the two supporting assemblies slide towards each other under the action of the electromagnetic adsorption assembly, the conical surfaces of the two supporting assemblies are connected with the two conical surfaces of the double-conical-surface sleeve, and the double-conical-surface sleeve is clamped. According to the device, the technical problems that in the prior art, under thecondition of power failure, overload and the like, falling of the rotor can cause impact and vibration to the magnetic suspension bearing system, so that the damage is caused are solved.

The invention provides an enterprise tax file management platform which comprises a file data acquisition module used for acquiring file information corresponding to enterprise tax, a file data processing module used for processing file data acquired by the file data acquisition module, a file management result generating module used for generating and outputting a result processed by the file data processing module, and an enterprise tax reporting tracking and management module used for managing files and documents generated in the communication process of an enterprise and a tax bureau, and meanwhile, further comprises a search module and a management module. Through the arrangement of the modules, the file information corresponding to the enterprise tax is managed in an omni-directional mode, potential risks corresponding to the enterprise tax can be timely found and controlled by tax staff of the enterprise, and all the files and documents generated by communication between the enterprise and the tax bureau can be searched.

The invention relates to product appearance detection workbench equipment. The product appearance detection workbench equipment comprises a product bearing table (9), a bearing column fixedly connected with the bottom of the product bearing table (9) and a base device (4). The base device (4) comprises two side vertical plates (41) arranged in a bilateral symmetry manner and a bottom plate (40) for connecting the two side vertical plates (41); the bottom of each side vertical plate (41) is fixedly provided with a protruding part (42); the top of the bottom plate (40) is fixedly provided with a driving motor (500); and a rotation bearing base (5) strides the two protruding parts (42) to be supported in a rotatable manner, and the middle position of the bottom of the rotation bearing base (5) is in power connection with an output shaft of the driving motor (500).

The invention provides floor grooving equipment, and belongs to the technical field of floor processing. The floor grooving equipment comprises a bearing mechanism, a grooving mechanism and a denoising mechanism, a translation support of the grooving mechanism is arranged between a male groove cutter support and a female groove cutter support, a translation lead screw is rotatably arranged on a bearing support, the translation lead screw is connected with a lead screw nut of the translation support in a threaded mode, the rear end of the bearing support of the bearing mechanism is fixed on a fixed bearing support, the front end of the bearing support of the bearing mechanism is provided with a bearing plate, the lower end face of the bearing plate is flush with a cutting platform, maintenance platforms of the denoising mechanism are fixed on the two sides of the lower portion of a rack respectively, the upper ends of denoising doors are hinged to the upper end of the rack, one end of each gas spring is hinged to the rack, the other end of each gas spring is hinged to the corresponding denoising door, acoustic wool is arranged on the inner side of each denoising door, and mobile maintenance windows are arranged on the two sides of the rack respectively. According to the floor grooving equipment, the noise and dust which pollute the workshop environment are effectively reduced, and repair and maintenance of the equipment are very convenient.

The invention discloses an efficient double-layer multistage vibrating screen which comprises a base, a rack, an upper-layer fixed screen box, an upper-layer floating screen box, a lower-layer fixed screen box, a lower-layer floating screen box and a vibration excitation movement device. The upper-layer floating screen box and the lower-layer floating screen box are suspended and mounted on the rack through multiple upper-layer elastic suspension rods and lower-layer elastic suspension rods which are symmetrically arranged left and right, and flexible screens are connected between two adjacent screen supporting frames of the upper-layer fixed screen box and the upper-layer floating screen box and two adjacent screen supporting frames of the lower-layer fixed screen box and the lower-layer floating screen box. The vibration excitation movement device comprises an eccentric vibration excitation shaft, a driving vibration exciter, a driven vibration exciter, spring guide devices, a fixing frame, an up-down limiting guide sliding mechanism, an upper-layer transmission rod, a lower-layer transmission rod and a steering rod. According to the efficient double-layer multistage vibrating screen, on the premise that material particles can be better, rapidly and comprehensively screened in a layered manner, dry type efficient screening of materials large in viscosity and difficult to screen can be achieved, the fine particle material screening probability is increased, and the efficient double-layer multistage vibrating screen is particularly suitable for raw coal grading screening in the coal dressing process.

The invention relates to workbench equipment for detection, which comprises a product supporting table (9), a supporting column (6) fixedly connected with the bottom of the product supporting table (9), and a base device (4). The base device (4) comprises two side vertical plates (41) symmetrically arranged left and right, and a bottom plate (40) connected with the two side vertical plates (41). The bottom of each side vertical plate (41) is fixedly provided with a protruding part (42). The top of the bottom plate (40) is fixedly provided with a driving motor (500). A rotary supporting seat (5) strides over two protruding parts (42) to be supported in the rotating manner. The middle part of the bottom of the rotary supporting seat (5) is in power connection with the output shaft of the driving motor (500). The bottom of the supporting column (6) is inserted into an intermediate insertion hole (50) of the rotary supporting seat (5). The top of the rotary supporting seat (5) is provided with a sliding groove (51) that extends leftwards and rightwards.

A detection worktable device comprises a product supporting table (9), a supporting column (6) fixedly connected with the bottom of the product supporting table (9) and a base device (4). The base device (4) comprises two side vertical boards (41) symmetrically arranged left and right and a bottom board (40) connected with the two side vertical boards (41). A protruding part (42) is fixedly arranged at the bottom of each side vertical board (41). A drive motor (500) is fixedly arranged at the top of the bottom board (40). A rotary bearing seat (5) strides over the two protruding parts (42) to be rotationally supported. The middle position of the bottom of the rotary bearing seat (5) is in power connection with an output shaft of the drive motor (500).

The invention discloses an electric main shaft supported by adopting an aerostatic bearing, comprising a shaft body, a front flange disc, a shell inner sleeve, a shell outer sleeve, a stator and a rear flange disc, wherein the front section of the shaft body is hemispherical to form a front supporting hemisphere, and the rear section of the shaft body is connected with a rear supporting hemisphere by an axial screw; the front end of the front flange disc and the rear end of the rear flange disc are respectively provided with a spherical bearing inner sleeve; the spherical bearing inner sleeve is externally provided with a spherical bearing outer sleeve; the spherical bearing inner sleeve and the spherical bearing outer sleeve form a spherical air bearing, and a central through hole is provided along the axial direction; the spherical bearing inner sleeve is internally provided with an air supplying runner and a plurality of rows of small throttling holes, and the inner surface of the inner sleeve is a ball socket corresponding to the supporting hemispheres. As the bearing supporting surface is a spherical surface, gas can realize radial and axial supporting function on the main shaft simultaneously after passing through the small throttling holes, so that the structure of the electric main shaft is simplified and the adaptability of the aerostatic bearing on different use requirements is improved to some extent.

The invention provides a steering rear lift shaft, which comprises a supporting shaft assembly, a master pin, a stop screw, a hub assembly, a steering knuckle arm, an oil cylinder support, a steering tie rod arm and a tie rod assembly, wherein the supporting shaft assembly is formed by welding a supporting shaft and a support assembly; the hub assembly is assembled in the supporting shaft assembly through the master pin; the master pin and the supporting shaft are locked to be limited by the stop screw; the steering knuckle arm is fixedly arranged on the hub assembly through a bolt; the steering oil cylinder support is fixedly arranged on the supporting shaft assembly through the bolt; the tie rod assembly is connected onto the hub assembly through the tie rod arm. Through the installation, the rear lift shaft is connected with an automobile lift air bag through the support assembly, and the goals that the steering rear lift shaft can be lifted at idle load, and the steering rear lift shaft is lowered at full load to play a role in bearing are finally achieved; meanwhile, under the road condition that the turning radius is smaller, steering is controlled by a steering control mechanism, and the flexibility of the whole automobile is improved.

The invention relates to the technical field of coal mining, in particular to a coal mining roadway supporting device and a supporting method. Wherein the support device comprises a filling mold, the filling mold is vertically arranged on the bottom plate of the roadway to be supported, and the upper end of the filling mold is open; the filling body is filled in the filling mold to form a support column, and the support column The upper end is connected with the roof of the roadway to be supported. It also relates to a support method for a coal mining roadway. First, a filling mold is set between the top plate and the bottom plate of the area to be supported in the roadway; then, filling bodies are filled into the filling mold to form a support column; The support column is fixedly connected with the roof, and the support device made by this support method can replace the stacked support as the external support of the pre-excavation withdrawal channel, and the structure is relatively simple, and the filling body is filled into the filling mold The supporting column that supports the coal mining roadway can be obtained, which greatly saves the steps of supporting and reduces the cost of supporting.

The invention provides a construction method of a foundation pit. The method comprises the steps as follows: a plurality of steel pipe piles with rabbets are punched underground, and a continuous enclosure structure is formed; cement soil reinforcement is performed in the rabbets of the adjacent steel pipe piles; and the foundation pit is excavated to the predetermined depth. According to the construction method of the foundation pit, the plurality of steel pipe piles with the rabbets are punched underground, the continuous enclosure structure is formed, and the foundation pit is excavated and supported, so that the effects that the place occupied by construction is small, the construction period is short and the construction cost is low are realized; besides, the steel pipe piles can be pulled out and recycled after construction of a lining wall and a bottom plate of the foundation pit is completed, and the construction cost is further reduced; further, profile steel inserted underground is used as part of the lining wall , so that the overall structural strength of the foundation pit is improved, and the anti-floating ability of the bottom plate of the foundation pit is improved.

The invention provides a product profile inspection workbench assembly which comprises a product support station (9). The bottom of the product support station (9) is fixedly connected with a support column body (6) and a base device (4). The base device (4) comprises two side standing plates (41) symmetrically arranged at the left side and the right side as well as a bottom plate (40) to have the two side standing plates (41) connected. The bottom of each side standing plate (41) is fixedly provided with a protruding part (42). The top of the bottom plate (40) is fixedly provided with a drive motor (500). A rotation bearing holder (5) crosses the two protrusion parts (42) so that it can be supported in a rotary manner. The middle part at the bottom of the rotation bearing holder (5) is dynamically connected with the output shaft of the drive motor (500).

The present application relates to a support for mine concrete support engineering and its support method, which comprises a plurality of first support plates and two second support plates respectively located on both sides of the first support plate. The bottom is provided with a first support portion, the bottom of the second support plate is provided with a second support portion, a connecting portion is provided between the first support portion and the two second support plates, and the connecting portion includes a first connecting rod, a second A connecting rod and a connecting sleeve, one end of the first connecting rod is hinged with the first support part, the other end is inserted in the connecting sleeve and is threadedly connected with the connecting sleeve, one end of the second connecting rod is hinged with the second supporting plate, and the other end is inserted into the connecting sleeve. It is arranged at one end of the connecting sleeve away from the first connecting rod, and is threadedly connected with the connecting sleeve, and the threads on the first connecting rod and the second connecting rod are in opposite directions. The present application has the effect of enabling the bracket to support mine caves of different shapes and sizes, and avoiding fixing between the bracket and the inner wall of the mine cave.

The invention relates to a detecting worktable device for solar power generation. The detecting worktable device comprises a product support table (9), a support pillar body (6) fixedly connected to the bottom of the product support table (9), and a base device (4), wherein the base device (4) comprises two side vertical plates (41) in bilateral symmetry arrangement and a bottom plate (40) connected with the two side vertical plates (41), a protrusion part (42) is fixedly arranged at the bottom of each of the side vertical plates (41), and a driving motor (500) is fixedly arranged at the top of the bottom plate (40); a rotary carrying seat (5) crosses the two protrusion parts (42) to be rotatably supported, and the middle position of the bottom of the rotary carrying seat (5) is in power connection with an output shaft of the driving motor (500).

The invention discloses a damping workbench device. The damping workbench device comprises a product supporting table (9), a supporting column body (6) which is fixedly connected with the bottom of the product supporting table (9), and a pedestal device (4). The pedestal device (4) comprises two side vertical plates (41) which are symmetrically arranged left and right and a base plate (40) which is connected with the two side vertical plates (41). A protruding part (42) is fixedly arranged at the bottom of each side vertical plate (41). A drive motor (500) is fixedly arranged at the top of the base plate (40). A rotary supporting base (5) stretches across the two protruding parts (42) to be supported in a rotatable mode. The middle part of the bottom of the rotary supporting base (5) is in power connection with an output shaft of the drive motor (500).