20results about How to "Avoid large gaps" patented technology

The invention relates to the technical field of mine construction, and discloses an ore rolling protection device for mine construction, which comprises a protection plate, a lifting protection frame, buffer structures, moving wheels and a positioning device, the lifting protection frame is mounted on the bottom surface of the protection plate, and the buffer structures are mounted on the left side and the right side of the lifting protection frame; the moving wheels are installed at the bottom end of the buffering structure, the positioning devices are installed on the front side and the rear side of the lifting protection frame, and the lifting protection frame comprises a lifting unit, a main protection unit and an auxiliary protection unit. According to the ore tumbling protection device for mine construction, the lifting protection frame is installed, lifting pumps on the two sides are started to enable lifting rods to ascend and drive the first shear shank to extend at the same time, the first shear shank extends at the same time when the protection plate ascends, and a gap generated between the protection plate and the middle of the buffering structure can be protected; therefore, the purpose of protecting workers is achieved, and the problem that after an original device ascends, a gap in the middle is large is solved.

The utility model discloses a driving system for a high-pressure hose roller, which comprises a vertically arranged driving motor, a speed reducer connected to the driving motor, a pinion connected to a horizontal output shaft of the speed reducer and a large gear ring meshed with the pinion, teeth are arranged on the inner ring of the large gear ring, and the periphery of the large gear ring is fixedly connected with the roller. A high-pressure hose is wound on the roller, an eccentric disc is further arranged on the speed reducer, the inner circle of the eccentric disc is connected to the speed reducer through a plurality of mounting holes in the periphery, and the outer circle of the eccentric disc is connected to the roller base through a plurality of mounting holes in the periphery. The center of the inner circle rotates around the center of the outer circle, so that the center distance between the small gear and the large gear ring is adjusted to be within a designed range to achieve normal meshing. By arranging the eccentric disc, the center distance of the gear set can be adjusted, the assembly precision is improved, the meshing smoothness of the gear set is ensured, and the service life of equipment is prolonged.

The utility model discloses a copper-to-non-efficient connector, which comprises a graphite electrode, one end of the graphite electrode is provided with an internal thread, one side of the graphite electrode is provided with a copper-to-non-connector, the copper-to-non-connector is provided with an external thread, the graphite electrode is in threaded fit with the copper-to-non-connector, and the graphite electrode is provided with an external thread. One end, far away from the graphite electrode, of the copper-to-non-connector is provided with a red copper electrode, and the red copper electrode is flexibly connected with the copper-to-non-connector; according to the utility model, the plurality of graphite electrodes as well as the external threads and the copper-to-non-connector are connected in an internal connection mode, so that the connection among the graphite electrodes is tighter and gapless under the threaded fit, the transmission of current is realized, large gaps are prevented, the generation of electric arc is also avoided, and the service life of the graphite electrodes is prolonged. The protection of accessories is improved, and the service life of the whole connector is prolonged, so that the firing time of a kiln is shortened, the faults of the kiln are reduced, and the firing time and the electric charge are saved.

The utility model discloses a wireless charging device, which comprises a receiving coil, a receiving coil shell, a transmitting coil, a transmitting coil shell and a connecting piece, the receiving coil is arranged in the receiving coil shell; the transmitting coil is arranged in the transmitting coil shell; when the transmitting coil shell is moved to the receiving coil shell and the transmitting coil shell and the receiving coil shell are aligned to a preset position through the connecting piece, the transmitting coil and the receiving coil directly face each other and are in a matched state, and the gap and the offset between the transmitting coil and the receiving coil are smaller than or equal to a set threshold value. According to the utility model, the coil dislocation during charging can be reduced, the coil area can be reduced, the requirement for foreign matter detection can be reduced, and electromagnetic radiation can be reduced, so that the charging safety is ensured while the charging efficiency is ensured, and the manufacturing cost of the charging device is reduced.

The utility model discloses a display device and a mounting assembly thereof, the mounting assembly of the display device comprises a main case and a face frame, the face frame comprises a bottom face frame, and the bottom face frame is arranged at the bottom of the main case; the bottom surface frame is connected with the main case only through a buckle; the front surface and the back surface are oppositely arranged, and the bottom surface is connected with the front surface and the back surface; a groove is formed in the edge, close to the bottom face, of the back face, and a first boss is arranged on the edge of the groove and extends along the bottom face. The bottom surface frame comprises a bottom wall and a front wall, the bottom wall is attached to the bottom surface, and the front wall is attached to the bottom of the front surface; the end, away from the front wall, of the bottom wall is provided with a second boss, and the side face of the first boss is attached to the side face of the second boss. The bottom frame and the main case are connected only in a buckling mode, so that the problem that in the prior art, screw loose is likely to happen due to screw connection is solved, and meanwhile the assembling efficiency is improved; the first boss and the second boss are arranged in an attached mode, and the problem that a gap between the display panel and the bottom face frame is large is solved.

This utility model discloses a palladium-on-carbon filter press device for the production of ritonavir intermediate BDH, belonging to the technical field of filter press devices. It includes a filter press unit, an adjustment unit, and a processing unit. The filter press unit includes a plate and frame frame for support, with a pressure plate slidably installed inside the frame. A pressure block is arranged parallel to one side of the pressure plate. The adjustment unit includes lugs on both sides of the pressure plate and the pressure block. Each lug has a positioning hole at its connecting end to the pressure block facing the pressure plate, and an auxiliary groove is provided below the positioning hole. A positioning tube is fixedly installed at the connecting end of the lug facing the auxiliary groove, and a connecting chain is fixedly installed between the positioning tube and the positioning hole. The processing unit includes a collection plate located below the plate and frame frame. This utility model has the advantage of separating the pressure plates without manual operation, thus facilitating the removal of the filter cake between the pressure plates.

The utility model discloses a greenhouse big -arch shelter with double -layer heat preservation film structure, including ground beam, the ground beam's top one side installs the support side plate, the top of ground beam and the one side outer wall of support side plate install between first installation framework and second installation framework, the top of first installation framework is paved with first heat preservation film, the top of second installation framework is provided with the heat preservation film take -up assembly for the take -up of second heat preservation film, heat preservation film take -up assembly sets up on the arc pneumatic slide platform for moving in a certain direction for driving heat preservation film take -up assembly. The utility model can according to actual demand and weather change, the covering state of second heat preservation film is flexibly controlled, when needing to enhance the heat preservation effect, can quickly lay second heat preservation film on the top of second installation framework, when weather is getting warmer or carries out the inside operation of big -arch shelter, can also conveniently wind it, and simple and efficient operation saves manpower and time cost.

The utility model discloses a bidirectional piezoelectric driven composite micro-displacement amplification device, which acts on a motion platform and comprises two symmetrically arranged amplification units, each amplification unit comprises two symmetrically arranged amplification modules, and the symmetry axis of each amplification unit and the symmetry axis of each amplification module are cross-shaped; the amplifying unit comprises a driving mechanism, a first amplifying mechanism and a second amplifying mechanism; the driving mechanism adopts piezoelectric ceramics as a power source and acts on the input end of the secondary amplification mechanism; the output end of the secondary amplification mechanism is connected in series with the input end of the second amplification mechanism through a flexible hinge; the output ends of the two second amplification mechanisms in the amplification units on the same side act on the motion platform through the output rods, so that the technical effects of small size and large stroke are achieved.

The invention relates to the technical field of new energy batteries, and discloses a battery cover plate and a battery, and the battery cover plate is characterized in that a first through hole is formed in a cover plate main body; the insulating part comprises a first plastic part and a second plastic part, a second through hole is formed in the first plastic part, and the second through hole is communicated with the first through hole; a third through hole is formed in the second plastic part and is communicated with the first through hole; the injection molding convex hull is embedded into the injection molding hole, the injection molding convex hull is arranged on one of the cover plate main body and the insulating part, the injection molding hole is formed in the other one of the cover plate main body and the insulating part, the height of the injection molding convex hull is H, the depth of the injection molding hole is F, and H is larger than or equal to 0.5 F and smaller than or equal to F. Through the arrangement of the injection molding convex hulls and the injection molding holes, multi-directional contact between the insulating part and the cover plate main body is formed, and then dislocation movement of the insulating part and the cover plate main body is prevented; by limiting the height of the injection molding convex hull and the depth of the injection molding hole, the structural strength of the injection molding convex hull is guaranteed, and the gap between the insulating part and the cover plate body is prevented from being too large.

Provided is a rotary adjusting mechanism (A), comprising a crank sliding block mechanism assembly (1) and a driving motor assembly (2). The crank sliding block mechanism assembly (1) comprises a machine frame (11), a crank (12) and a connection rod (13), the driving motor assembly (2) is mounted on the machine frame (11) and drives the crank (12); the crank (12) is rotatably mounted on the machine frame (11) by means of a first connection shaft (14); the connection rod (13) used for mounting a screen (B) is rotatably mounted on the crank (12) by means of a second connection shaft (16); the machine frame (11) is provided with a guide groove (115); a sliding block (19) linearly moves along a path (D) defined by the guide groove (115); and the connection rod (13) is rotatably mounted on the sliding block (19) by means of a third connection shaft (18). By means of the arrangement of the first, second and third connection shafts (14, 16, 18) extending in the z direction, the rotary adjusting mechanism (A) enables the screen (B) mounted on the connection rod (13) to bidirectionally rotate around the z direction, is simple in structure, small in the number of dimension chain control links, and high in mechanism reliability.

The utility model discloses a novel warmer panel which comprises a panel body, the top of the panel body is provided with a fixed shell, the top of the fixed shell is provided with a movable shell, through an elastic clamping mechanism of a clamping block and a clamping groove, rapid assembly of the warmer panel is achieved, the assembly efficiency is remarkably improved, and the practicability is high. By means of the gap between the movable shell and the fixed shell and the compression and reset functions of the spring, the position of the movable shell can be automatically adjusted, the movable shell is allowed to incline and stretch out and draw back by a certain amplitude in the fixed shell, the installation inclination of the heater main machine is effectively adapted, it is ensured that the movable shell is tightly attached to the main machine air outlet all the time, and the service life of the heater main machine is prolonged. And the dynamic balance of the fitting degree of the air outlet is ensured, and the use stability and the heat efficiency of the warmer are improved, so that the problem that a gap is large due to mismatching of installation is avoided, the air leakage phenomenon is greatly reduced, and high practicability and market popularization value are achieved.

The invention relates to the technical field of liquid drop collecting devices, in particular to a liquid drop collecting device based on a micro-fluidic chip. According to the technical scheme, the micro-fluidic chip comprises a base and a liquid collecting box, the upper end of the base is provided with a micro-fluidic chip body located above the liquid collecting box through two supporting plates, the upper end and the lower end of the micro-fluidic chip body are connected with a liquid inlet assembly and a liquid outlet pipe respectively, and the micro-fluidic chip further comprises a liquid drop cover body, a limiting piece, a buoyancy triggering piece, a distance adjusting plate piece and a driving piece. The liquid drop cover body is arranged at the lower end of the liquid outlet pipe, so that liquid drops are effectively prevented from being in contact with air in the dropping and collecting process to influence the purity of the liquid drops, and meanwhile, the liquid drops are prevented from splashing; the driving piece and the distance adjusting plate piece are arranged in the liquid collecting box, so that the liquid outlet end of the liquid outlet pipe and the highest liquid level in the liquid collecting box are always kept between a low liquid level line and a high liquid level line, overlarge fall is avoided, the bottom end of the liquid outlet pipe is also prevented from being inserted into liquid, and the liquid drop collecting effect is further guaranteed.

The invention relates to a windshield glass mounting method and device, a robot and a medium. The method comprises the steps that an actuator is controlled to move grabbed windshield glass to the position above a window frame; a first gap and a second gap are obtained, and the first gap and the second gap are respectively used for simulating a gap between the left side of the windshield glass and the left side of the window frame and a gap between the right side of the windshield glass and the right side of the window frame when the windshield glass and the window frame are projected on the same plane; when it is determined that the installation condition is not met, the pose of the actuator is adjusted according to the first gap and the second gap, and the step of obtaining the first gap and the second gap is executed again; and under the condition that the installation condition is met, controlling the actuator according to the current pose of the actuator so as to enable the actuator to install the windshield glass to the window frame, thereby realizing the centered installation of the windshield glass.

Provided are: a transport conveyor that makes it possible to reduce the maintenance frequency thereof; and a V-shaped transport mechanism including the transport conveyor. The transport conveyor includes: a first pulley that rotates about a first rotating shaft; a second pulley that rotates about a second rotating shaft; a pair of frames that support the first rotating shaft and the second rotating shaft; and a conveyor belt wound around, and extending between, the first pulley and the second pulley. At least one frame of the pair of frames is configured as an offset frame including offset supports, the offset supports supporting the first rotating shaft and the second rotating shaft at respective positions that are located inward of both ends of the conveyor belt in a width direction thereof.

The utility model discloses a hanging basket support cable-stayed reinforcing structure for building construction, which comprises a transverse frame, the top of the transverse frame is fixedly connected with a vertical frame, the top of the vertical frame is provided with a steel wire rope, the bottom of the transverse frame is fixedly connected with a connecting plate, one side of the connecting plate is rotatably connected with a threaded rotating rod through a bearing seat, and the threaded rotating rod is connected with a bearing seat. The front side and the rear side of the transverse frame are fixedly connected with guide bases. By rotating the threaded rotating rod, the threaded rotating rod rotates through mutual threads between the threaded sleeves in the vertical plate and slides on the surface of the guide seat through the guide plate, so that the movable plate at the top of the vertical plate is driven to move, and the movement of the movable plate drives the positions of the seat body I and the seat body II to move; the position of the fastening assembly on the surface of the steel wire rope is changed, and when the tightness degree of the position needs to be adjusted, only the rotating plate needs to rotate on the surfaces of the first bolt and the second bolt in a threaded mode, so that the tightness degree between the first seat body and the second seat body is adjusted.

The utility model provides a standardized lap joint connecting plate of a pipeline protection plate, which comprises a pipeline body, rubber protection plates, connecting plates, a first lap joint sheet and a second lap joint sheet, a plurality of groups of rubber protection plates are wrapped on the outer surface of the pipeline body, and a plurality of groups of connecting plates are arranged between every two adjacent groups of rubber protection plates. The two sides of each set of connecting plates are fixedly connected with a first lap joint piece and a second lap joint piece correspondingly. According to the utility model, the protective rubber plates, the connecting plate, the first lap joint sheet and the second lap joint sheet are arranged, so that the connecting holes in the outer surfaces of the two sides of the two groups of rubber protective plates are respectively sleeved on the outer surfaces of the first fixing column and the second fixing column on the upper surfaces of the first lap joint sheet and the second lap joint sheet on the two sides of the connecting plate; the two sets of rubber protection plates wrapping the outer surface of the pipeline body are tightly connected, the situation that gaps are enlarged due to the fact that the rubber protection plates move mutually is effectively avoided, and damage to the exposed position of the pipeline is effectively avoided.

The invention provides a foot structure for a humanoid robot and the humanoid robot. The foot structure comprises a sole, a heel, a direct drive motor and a flange bearing. The soles are in contact with the ground to realize left-right rotation; the heel is connected with the shank to realize front-back rotation. The direct-drive motor is installed at the front end of the sole and connected with the heel through a motor rotor to control left-right rotation. The flange bearing is installed at the upper end of the heel and connected with the shank to control front-back rotation. The single-ankle and double-ankle conversion mechanism is fixed or released by screws through the through holes in the side faces of the soles and the threaded holes of the heels. When the sole and the heel are loosened, the motor drives the sole to rotate relative to the heel, and the double-ankle function is achieved; and the screw fixation is in a single-ankle state. By means of the design, complexity of traditional double-ankle design is simplified, production cost and time consumption are reduced, adaptability and flexibility of feet are improved, and the robot can better adapt to complex terrains and diversified environments.

The utility model discloses a rotor assembly and a pump body, the rotor assembly is applied in a rotor cavity of the pump body, the rotor assembly comprises a first rotor set and a second rotor set, the first rotor set is arranged in the rotor cavity and can rotate towards a first direction around the axis of the first rotor set; the second rotor set is arranged in the rotor cavity and can rotate around the axis of the second rotor set in the second direction, the axis of the first rotor set is parallel to the axis of the second rotor set, and the first direction is opposite to the second direction; wherein each blade profile of the first rotor group is formed by connecting at least six sections of arcs, and each blade profile of the second rotor group is formed by connecting at least seven sections of arcs. The air exhaust speed is improved, abrasion can be reduced, and the service life is prolonged.