18results about How to "Avoid deformation effects" patented technology

The invention relates to the field of coal mine roadway reinforcement, in particular to a mine dynamic pressure roadway buffering and reinforcing device. The invention provides a mine dynamic pressure roadway buffering and reinforcing device which can buffer impact generated by roadway strain when a roadway generates dynamic pressure, effectively prevent the phenomena of roadway top plate sinking and floor heaving, and protect normal use of the roadway. A mine dynamic pressure roadway buffering and reinforcing device comprises bottom plates, stand columns and the like, the bottom plates are left and right, the upper sides of the bottom plates are connected with a left set of stand columns and a right set of stand columns, and each set is composed of a front stand column and a rear stand column. The roadway top plate is supported and buffered through the top plate buffering mechanism, deformation and sinking of the roadway top plate under dynamic pressure are prevented, the roadway bottom plate is prevented from bulging under the dynamic pressure through the bottom heaving prevention and treatment mechanism, impact generated by roadway strain can be buffered when the roadway generates the dynamic pressure, and the roadway safety is improved. The phenomena of roadway roof sinking and floor heaving are effectively prevented, and the normal use effect of the roadway is protected.

The invention belongs to the field of permanent magnet motors, and particularly relates to an integral magnetizing magnetic suspension high-speed permanent magnet motor rotor structure and an assembling method, and the integral magnetizing magnetic suspension high-speed permanent magnet motor rotor structure comprises a rotating shaft, an annular permanent magnet, a spacer bush, a thrust disc and an iron core part, the annular permanent magnet is arranged on the rotating shaft in a sleeving mode, the end of the annular permanent magnet is connected with one side of the positioning step table in an abutting mode, the spacer bush is arranged on the rotating shaft in a sleeving mode, and the end of the spacer bush is connected with the end, away from the positioning step table, of the annular permanent magnet in an abutting mode. The thrust disc is arranged on the rotating shaft in a sleeving mode and located on the side, away from the annular permanent magnet, of the positioning step table, and the iron core parts are arranged at the two ends of the rotating shaft in a sleeving mode and connected with the spacer bush and the thrust disc in an abutting mode respectively. The device has the advantages of being easy to assemble, free of disassembly for magnetizing, high in magnetizing efficiency, good in general applicability and the like.

The present invention relates to a sub-frame positioning and assembly tool, which includes a fixed assembly position, a first positioning component, a movable assembly position, a second positioning component, a sliding structure and a self-locking structure, wherein each sliding cylinder can drive a corresponding sliding platform to slide and feed each crossbeam to the joint with the corresponding longitudinal beam, and the self-locking structure is used to lock the corresponding sliding platform with the workbench. Compared with the prior art, the present invention can stably load and position each crossbeam and longitudinal beam of the sub-frame, and facilitate the assembly of each crossbeam with the corresponding longitudinal beam through the sliding structure, and at the same time, the corresponding sliding platform can be locked with the workbench through the self-locking structure, so as to avoid the sliding cylinder from being affected by the tensile rebound generated by welding heat, and at the same time, effectively avoid the influence of heat concentration on the deformation of parts during the mitigation process, improve the repetitive accuracy and stability of the positioning and assembly tool, and at the same time extend the service life of the tool.

The invention relates to the technical field of vibratory hammers, and discloses a twelve-linkage hydraulic vibratory hammer device which comprises twelve main beams, auxiliary beams are arranged between the adjacent main beams, the twelve main beams and the auxiliary beams form an annular vibrating frame, vibratory hammer bodies are installed at the upper ends of the main beams, gear boxes are arranged between the adjacent vibratory hammer bodies, and the gear boxes are connected with the auxiliary beams. A clamp body is arranged at the lower end of the main beam, a linkage shaft is arranged at one end of the vibratory hammer body, an early warning sleeve is arranged on the outer surface of the linkage shaft, and an expansion seat is arranged on the outer surface of the early warning sleeve. According to the twelve-linkage hydraulic vibratory hammer device, an expansion seat is aligned with an early warning sleeve to be inserted, limiting is conducted through an insertion rod, a winding ring is rotated, the winding ring drives a screw to rotate through a conical tooth set, the screw pushes an extrusion plate, the extrusion plate extrudes a rotating ring, and therefore the expansion seat and the early warning sleeve are tightly connected, and a gear box is fixed; and the effects that the gear box can be rapidly disassembled and assembled conveniently, and maintenance is convenient are achieved.

The utility model discloses a kind of interval support mobile semiconductor detection support, it is related to semiconductor detection technical field.The detection support, comprising: support frame body is supported on the top of monitoring window by support piece, for movable support probe holder;Support frame body includes frame, first center strip and second center strip are spaced apart in frame, first center strip and second center strip are spaced apart with frame respectively;Bearing block and support piece are fixedly connected;Support piece is fixedly connected on chamber top cover;Probe holder includes barrel body connector and connecting block;Connecting block protrudes the side wall of barrel body connector, is provided with through hole, for continuously fixed in different positions with probe holder.Avoid the influence of the fluctuation of different deposition temperature of chamber to the detector head, probe holder etc. of monitoring equipment;Realize that probe holder can be installed and positioned at any position, test position is arbitrarily positioned, compatible with various size substrate and tray change.

The utility model discloses a system for monitoring roadway floor heave in coal mine production, which comprises a steel wire rope, the upper end of the steel wire rope is fixed on the side part of a roadway, and the lower end of the steel wire rope firstly penetrates through a first detection hole formed in the side part of the roadway from top to bottom and then penetrates through a second detection hole which is horizontally formed and is formed from the side part to the bottom of the roadway; the third detection hole is formed downwards from the bottom of the roadway from top to bottom, and then is clamped at the lowermost end of the third detection hole; the first guide wheel is installed on the side portion of the roadway, and the second guide wheel is located at the lower end of the first detection hole and fixed; the steel wire rope is redirected by 90 degrees; the third guide wheel is positioned at the junction of the second detection hole and the third detection hole, is fixed and is used for changing the direction of the steel wire rope by 90 degrees; normal use of the section of the roadway is not affected, the most accurate result can be obtained, on-site real-time display can be achieved, and cost is low.

The invention discloses a forming die and method for a high-aspect-ratio composite multi-cavity box section structural beam. The bottom and the two side walls of the mold core assembly (1) are connected with the bottom supporting frame (2), the side supporting frame A (3) and the side supporting frame B (4) respectively. The mold core assembly (1) comprises a base plate (5), a cavity core mold assembly (6) is arranged on the upper surface of the base plate (5), a beam core mold assembly (7) is arranged on the upper surface of the cavity core mold assembly (6), a side mold assembly A (8) and a side mold assembly B (9) which can be oppositely combined in the transverse direction are arranged on the two sides of the cavity core mold assembly (6) respectively, and the cavity core mold assembly (6) can be surrounded after the side mold assembly A and the side mold assembly B are oppositely combined. A clamping groove (10) formed at the top after folding can limit the beam core mold assembly (7); and after the side mold assemblies A and B are oppositely combined, the top is covered with a top cover (11). According to the invention, the product forming quality can be ensured, and the manufacturing cost of similar products can be greatly reduced.

The utility model discloses a fitted cover easy to disassemble and assemble, which comprises a fitted cover surface, two sides of the fitted cover surface in the length direction are respectively provided with a first bed enclosure, two sides of the fitted cover surface in the width direction are respectively provided with a second bed enclosure, and the end parts of the first bed enclosures are connected with the end parts of the second bed enclosures end to end through first elastic connecting pieces. The width of the first elastic connecting piece is gradually reduced from the side close to the fitted cover surface to the side far away from the fitted cover surface; a first bottom enclosure is arranged on the first bed enclosure, a second bottom enclosure is arranged on the second bed enclosure, the end part of the first bottom enclosure is connected with the end part of the second bottom enclosure end to end through a second elastic connecting piece, and the width of the second elastic connecting piece is gradually reduced from one side of the first elastic connecting piece to one side far away from the first elastic connecting piece. And the four corners of the bed enclosure and the bottom enclosure are elastically connected. Therefore, people can easily and freely sleeve the bed cover in any direction, and the tightness of the bed enclosure wrapping the periphery of the mattress is proper.

The utility model relates to an air suspension limiting mechanism capable of bearing lateral force, which comprises a bottom fixing disc, a top fixing disc and a buffer air bag, the bottom fixing disc is fixed on a bottom fixing disc on a guide arm, the top fixing disc is fixed on a frame and is positioned right above the bottom fixing disc, and the buffer air bag is fixed on the top fixing disc. The buffering air bag is arranged between the bottom fixing disc and the top fixing disc, the bottom of the buffering air bag is fixed to the bottom fixing disc, the top of the buffering air bag is fixed to the top fixing disc, and a first connecting arm is universally hinged to the upper surface of the bottom fixing disc through a first connector; and a second connecting arm is universally hinged to the lower surface of the top fixing disc opposite to the first connecting arm through a second connector. The limiting mechanism provided by the utility model can be adaptively bent when being integrally subjected to lateral force, the deformation has restorability, the limiting mechanism is prevented from irreversible deformation to influence the limiting of the buffer air bag, the hinging is universal hinging, the limiting mechanism can adapt to lateral force in different directions, and the adaptability is good.

The utility model provides a novel assembled sandwich plate, which belongs to the field of assembled structures and comprises a first panel component and a second panel component. Wherein the first panel assembly comprises a first panel, at least two first abdomen supports and at least two rectangular pipe sleeves, and the second panel assembly comprises a second panel, at least two second abdomen supports and at least two rectangular pipe shafts. The first abdomen support is connected to the first panel to form a support; the rectangular pipe sleeve is correspondingly connected to the first abdomen support, and an avoiding opening is formed in the side, away from the first abdomen support, of the rectangular pipe sleeve. The second belly support is connected to the second panel to form a support, the rectangular pipe shaft is correspondingly connected to the second belly support, the rectangular pipe shaft is inserted into the rectangular pipe sleeve, and the second belly support and the rectangular pipe sleeve avoid through the avoiding opening. According to the sandwich plate, the first panel assembly and the second panel assembly are assembled in a mutual meshing mode, the sandwich plate is formed, the field welding workload is greatly reduced, and transportation is convenient.

The utility model provides an automobile mould for an automobile top cover, which is characterized by comprising a main body structure, a hydraulic structure and a cooling structure, the cooling structure is connected with the main body structure and the hydraulic structure, and the hydraulic structure is mounted on the main body structure; by arranging a guide strip, a baffle, a multi-stage electric push rod, a positioning block, a vertical pipe, a transverse pipe and a connecting pipe, a cooling pipe A and a cooling pipe B are improved, and the effects that the draught fan can be prevented from being affected by material deformation during stamping, die lifting is guided, and the cooling efficiency is improved are achieved.

The invention discloses a method for improving rolling uniformity of a multi-core superconducting strip. The method specifically comprises the steps that a plurality of core materials are subjected to tubing treatment, then the composite pipe subjected to tubing treatment is subjected to drawing, rolling and heat treatment, the core materials are regular hexagon core materials, and the core materials are single-core core materials or core materials obtained through tubing treatment. According to the invention, the regular hexagon single core (or multi-core) is used for secondary (or multiple) tubing, so that the deformation of the multi-core round wire in the drawing process is changed, the section of the superconducting core is changed from an original irregular shape to an approximately circular shape, and the stress condition of the single superconducting core in the rolling process is closer to that of a single-core strip; and finally, the superconducting core with uniform density and texture degree is obtained. In addition, geometric stability can be enhanced, and uncertain deformation is avoided.

The utility model provides an assembled sandwich plate, which belongs to the field of assembled structures and comprises a first panel component and a second panel component. Wherein the first panel assembly comprises a first panel, at least two first belly supports and at least two circular shaft sleeves, and the second panel assembly comprises a second panel, at least two second belly supports and at least two mounting shafts. The first abdomen support is connected to the first panel to form a support; the circular shaft sleeve is correspondingly connected to the first abdomen support, and an avoiding opening is formed in the side, away from the first abdomen support, of the circular shaft sleeve. The second belly support is connected to the second panel to form a support, the mounting shaft is correspondingly connected to the second belly support, the mounting shaft is inserted into the circular shaft sleeve, and the second belly support and the circular shaft sleeve are avoided through the avoiding opening. According to the sandwich plate, the first panel assembly and the second panel assembly are assembled in a mutual meshing mode, the sandwich plate is formed, the field welding workload is greatly reduced, and transportation is convenient.

The utility model discloses a cutting device for cutting a plate film, which comprises a fixed seat, a driving motor, a sliding seat and a cutting mechanism, the fixed end of the driving motor is fixed on the fixed seat, the sliding seat is connected with the movable end of the driving motor, the cutting mechanism is arranged on the sliding seat, and the movable end of the driving motor is connected with the sliding seat. A clamping part and a clamping ring are arranged on the sliding seat, a clamping hole is defined between the clamping ring and the clamping part, the cutting mechanism vertically penetrates through the clamping hole and is fixed to the clamping part, a vertically-penetrating notch is formed in the inner wall of the clamping ring, one end of the clamping ring is integrally connected with the clamping part, and the other end of the clamping ring is connected with the cutting mechanism. A sliding mechanism is arranged between the sliding seat and the fixed seat, the sliding mechanism comprises a sliding block and a sliding rail, the sliding block is connected with the sliding seat, and the sliding seat can slide on the sliding rail. By the adoption of the device, the influence of a locking mode on deformation of the sliding rail and the sliding block can be avoided, and the cutting precision is guaranteed.

The invention discloses a safety monitoring system and monitoring method for a large-gradient shield launching reaction frame, and the system comprises a reaction frame, and also comprises a monitoring unit and a control host. The counter-force frame comprises a counter-force frame body and a supporting frame body, and the supporting frame body is located on the back face of the counter-force frame body; the monitoring unit is arranged on the surfaces of the reaction frame body and the supporting frame body and is used for monitoring physical parameters of the reaction frame body and the supporting frame body in real time and transmitting monitoring data to the control host in real time; a data processing unit, a three-dimensional display unit and an alarm unit are arranged in the control host. The method has the beneficial effects that the deformation condition of the reaction frame in the launching process can be presented more visually and accurately, so that deformation abnormity of the reaction frame can be found in time, reinforcement measures can be taken in time, potential safety hazards in the construction process are reduced, and the construction efficiency and the engineering quality are improved.

The invention discloses a bilateral unequal-thickness concrete constraint steel plate shear wall and a construction method thereof. Comprising a steel plate, formworks located on the two sides of the steel plate, a steel plate buckling correcting device used for correcting the bending position of the steel plate, a formwork reinforcing mechanism used for fixing the formworks, and a three-way guide pipe flow dividing pouring device used for adjusting the concrete flow speed on the two sides of the steel plate. The formwork reinforcing mechanism comprises a vertical square steel pipe, a double-channel steel joist located on the outer side of the vertical square steel pipe, and a lead screw assembly penetrating through a gap in the middle of the double-channel steel joist and holes in the formwork and the steel plate. The three-way guide pipe diversion pouring device comprises a three-way guide pipe fixed to an upper opening in the top of the steel plate shear wall, a soft guide pipe connected with two branch pipes of the three-way guide pipe, and adjusting valves installed on the two branch pipes. The device can meet the requirements for flatness and perpendicularity of steel plate installation, meanwhile, the device is simple in structure, easy to operate and capable of being repeatedly turned over, and the problem of steel plate deformation caused by inconsistent side pressure on the left side and the right side of a steel plate is effectively solved.

The invention discloses a monitoring camera external parameter calibration device and method, and the device comprises calibration equipment which is disposed at a ground position which can be shot by a monitoring camera lens. And the measuring equipment is arranged relative to the calibration equipment. And the external parameter calibration calculation equipment is in wired or wireless connection with the monitoring camera. And an external parameter calibration calculation program is built in the external parameter calibration calculation equipment. The method for calibrating the external parameters by adopting the device comprises the following steps of: initializing the external parameter calibration device; measuring the world coordinates of the system establishing points; measuring image coordinates and world coordinates of the control points; measuring world coordinates of verification points; measuring the world coordinates of the system establishing points again; and resolving external parameters of the monitoring camera. According to the monitoring camera external parameter calibration device and method provided by the invention, aiming at a camera for monitoring a busy working place, the calibration of the monitoring camera external parameter is realized without depending on a landmark scene in a monitoring area as a control point, and the effectiveness and the precision of a calibration result are ensured.

The utility model provides a kind of easily detachable visual slot type cable bridge, including tray, cover plate and transparent cover plate;Tray includes symmetrically arranged batten, multiple groups of rectangular grooves and clamping grooves are set on each batten, cover plate is buckled on the upper surface of tray, cover plate includes symmetrically arranged rectangular plate and hem, rectangular plate is clamped in rectangular groove, two hems are fixed on the lower surface of each rectangular plate symmetrically, hem is placed on the lower surface of batten after being bent outwards along the two sides of rectangular plate, so that tray and cover plate are fixed;Observation port corresponding with the number of rectangular groove is set on cover plate, observation port is located above rectangular groove and clamping groove, transparent cover plate includes symmetrically arranged two clamping feet and two strong magnets, clamping foot is inserted in clamping groove, transparent cover plate is buckled in observation port after being adsorbed by strong magnet and batten;Advantages: when laying cable, it can be inserted from bridge, and the trend and progress of cable can be observed through transparent cover plate;Only transparent cover plate needs to be disassembled during maintenance, to avoid deformation.