103results about How to "Avoid excessive movement" patented technology

The invention relates to the technical field of nucleic acid detection, and discloses a nucleic acid integrated detection device based on a flexible structure and a push-pull structure, which comprises a detection main body, an upper cover, a bottom shell and an extrusion block arranged between the upper cover and the bottom shell, the detection main body is arranged in an accommodating cavity between the upper cover and the bottom shell; the detection main body comprises a sample introduction tube, a nucleic acid extraction-free reagent chamber, a first buffer solution chamber, a nucleic acid amplification reagent chamber, a second buffer solution chamber, a uniform mixing chamber, a sample loading groove and chromatography test paper which are connected in sequence, wherein the nucleic acid extraction-free reagent chamber, the first buffer solution chamber, the nucleic acid amplification reagent chamber, the second buffer solution chamber and the uniform mixing chamber are flexible reagent chambers; the head end of the sample loading groove is connected with the uniform mixing chamber, and the tail end of the sample loading groove is connected with the chromatography test paper; and the extrusion block can move from one end of the upper cover to the other end and is used for extruding the liquid in the detection main body and forcing the liquid to flow downstream. The liquid is extruded to flow downstream only when the extrusion block is manually pushed to move, so that the controllability of the detection process can be realized.

The invention discloses a manipulator translation position calibration mechanism and a manipulator, and the manipulator translation position calibration mechanism comprises a motor, an output shaft and a gear, and further comprises a hydraulic box, a lug box and an air cylinder. After the motor drives the sliding block to move to a certain position, the buffer rod and the hydraulic push rod make contact with each other and extrude each other, the hydraulic push rod enables the spring to be stressed and deformed through the hydraulic push plate, the spring generates counter-acting force, and therefore buffering is conducted; the buffer rod cannot make contact with the hydraulic push rod any more, buffer speed reduction can be conducted when the mechanical arm moves to the designated position and stops moving, excessive movement is avoided, accurate calibration of the translation movement position of the mechanical arm can be achieved, and the problem that the movement position cannot be guaranteed due to excessive movement caused by inertia is solved.

The invention discloses an anti-deviation structure for mechanical drilling, and particularly relates to the technical field of machining, the anti-deviation structure comprises a supporting frame and a fixing frame, limiting grooves are formed in the left side and the right side in the supporting frame, a connecting plate is fixedly connected to the top of the fixing frame, and an air cylinder is fixedly connected to the top of the connecting plate. By integrating the high-precision laser sensor, the position of the drill bit can be monitored and adjusted in real time, and it is ensured that each time of drilling can meet the preset precision requirement. The positioning of the drill bit is more accurate, the deviation problem of the drill bit is reduced, and the drill bit can be easily adjusted at multiple angles and multiple directions so as to meet the drilling requirements of different materials, different thicknesses and different angles. According to the device, the use range of the device is enlarged, the drill bit and the motor can be effectively cooled through the arrangement of the cooling box and the pressing spray head, abrasion caused by high-temperature operation is reduced, and therefore the service life of the drill bit is remarkably prolonged, and the maintenance cost and the downtime are reduced.

The utility model relates to the technical field of refrigerators, and discloses a rack which comprises a rack body. The sliding mechanism comprises a sliding rail, and the shelf body can slide along the sliding rail; the driving mechanism comprises a motor, a gear assembly and a pull rope assembly; wherein the gear assembly comprises an output gear, the motor is used for driving the output gear to rotate, and the output gear has a trigger position; an output shaft is arranged in the center of the output gear and drives the shelf body to slide through a pull rope assembly. The limiting mechanism comprises a microswitch and a controller, and the microswitch and the motor are electrically connected to the controller; the microswitch is in linkage with the output gear, and the microswitch is triggered when the output gear rotates forwards or reversely to the triggering position. And the controller controls the motor to stop when receiving a trigger signal of the microswitch. In this way, a user can automatically adjust the position of the shelf body through the motor according to actual position requirements so as to meet the storage requirements of different articles. The utility model further discloses the refrigerator.

This utility model provides an easy-to-install toilet seat mounting component, relating to the technical field of toilet parts. It includes a screw, a locking seat, a locking element, a nut, and a stop block. The locking seat has screw holes at both its top and bottom. A screw is threaded through the surface of the screw hole near the top of the locking seat. The nut is located inside the locking seat, and a mounting groove is provided on one side of the locking seat. The nut is vertically positioned inside the locking seat and horizontally within the mounting groove. The nut is threadedly connected to the screw. A stop block is provided on the other side of the locking seat. The nut can be easily adjusted in direction within the locking seat and connected to the screw via the nut mounting groove, eliminating the need for complex operations and professional tools. The locking element is installed through an open groove and a retaining shaft, simplifying the installation process, reducing difficulty, and improving efficiency. Furthermore, the retaining shaft and nut retainer on the inner wall of the locking seat restrict the movement of the retaining shaft and nut, ensuring the stability of the installed component. The locking element cooperates with the stop block and rotates around the retaining shaft, ensuring a tight and reliable fixation of the toilet seat.

The present invention discloses a rotating bracket in the technical field of brackets, including a support assembly, a storage assembly and a rotating assembly, wherein the support assembly includes a plurality of support columns, and the upper and lower ends of the plurality of support columns are connected with support column connecting plates, and the storage assembly includes a plurality of storage baskets. The present invention places and stores a variety of items through a plurality of storage baskets, and the storage basket at the upper end can directly place high-frequency used items for direct access. The bottoms of the plurality of internal storage baskets are connected to storage basket pads and storage basket brackets, and the storage basket brackets are connected to the support columns through hinges. The storage baskets can rotate in the horizontal direction, and a rotating assembly is connected to the bottom of the storage baskets. The rotating assembly provides horizontal expansion and retraction power for easy electric drive, and voice control is performed through the voice control module on the main board. At the same time, the infrared rays on the infrared small board can perform gesture sensing to open and close the plurality of storage baskets to avoid hand operation.

The invention relates to the technical field of water resource utilization, in particular to municipal construction rainwater collection and utilization equipment which comprises a water inlet pipe, a water storage tank is arranged outside the water inlet pipe, a communicating pipe is fixedly connected between the water inlet pipe and the water storage tank, a water outlet assembly is arranged in the water storage tank, and a filtering assembly is arranged at the top of the water inlet pipe. The filtering assembly comprises a water collecting frame, a containing groove, a mounting side plate, a driving roller, a filter screen belt and an intercepting plate, and a power assembly is arranged in the water inlet pipe and comprises a driving rotating shaft, driving blades and a transmission belt; according to the device, filtered rainwater falls on the side walls of driving blades, a driving rotating shaft rotates, under transmission of a transmission belt, a driving roller synchronously rotates along with the driving rotating shaft, a filter screen belt moves along with rotation of the driving roller, impurities on the top of the filter screen belt are conveyed away, and the filtering effect of the filter screen belt is guaranteed; the problem that a filter screen in an existing rainwater collection and utilization device is blocked is solved.

The utility model discloses a ground detection device with a protection structure, which comprises a detection mechanism, the bottom of the detection mechanism is connected with a lifting mechanism, the bottom of the lifting mechanism is connected with a moving mechanism, the detection mechanism comprises a mounting shell, and the left side and the right side in the mounting shell are rotatably connected with threaded rods. The bottom of the threaded rod extends to the lower surface of the mounting shell and is in threaded connection with a first threaded sleeve, and the inner wall of the first threaded sleeve is slidably connected with a limiting rod. The device has the advantage of efficient protection, and solves the problems that part of ground perpendicularity detection devices are designed in a fixed mode, when the ground perpendicularity detection devices are adjusted or moved to the grounds with different heights for detection, the fixed devices are more likely to collide with surrounding objects or be damaged due to misoperation in the carrying process due to the fact that the structures of the fixed devices are relatively fixed and cumbersome. Especially for precise measuring elements such as a gradienter and a sensor, the problem that collision may cause precision reduction or complete failure is solved.

The utility model relates to the technical field of fuel tank caps, and discloses a fuel tank cap with a fuel temperature alarm function, which comprises a fuel tank cap main body, a mounting ring is fixedly connected in the fuel tank cap main body, an induction mechanism is arranged in the mounting ring, and the induction mechanism comprises a temperature sensor and an induction rod. The temperature sensor is fixedly mounted in the mounting ring, a sensing rod is fixedly connected to the temperature sensor, and an alarm mechanism is arranged on the side, away from the sensing mechanism, of the oil tank cap body. The sensing mechanism is arranged, the temperature sensor is mounted in an oil tank or close to the position of oil, temperature changes of the oil can be sensed in real time, and the alarm mechanism is arranged on the side, away from the sensing mechanism, of the oil tank cap body. The oil temperature sensor generally has the characteristics of high precision and quick response so as to accurately monitor the oil temperature, ensure that the oil temperature is within a safe range and improve the driving safety, and the bottom end of the sensing rod is tightly sleeved with the protective sleeve so as to ensure that the oil temperature sensor can be in smooth contact with oil liquid, and impurities and pollutants can be effectively isolated at the same time.

The utility model relates to a biodegradable material forming die, which aims to solve the technical problem that an upper die and a lower die are separated and fall off when the current die is turned over, and comprises a lower die body, an upper die body and a connecting structure, the two connecting structures are arranged on the two sides of the butt joint position of the lower die body and the upper die body correspondingly. According to the connecting structure, a fixing block A is fixedly arranged at the side end of the lower die body; the fixed block B is fixedly arranged at the side end of the upper die body; the screw rod is rotationally arranged at the outer end of the bottom side of the fixed block A; the movable block is arranged on the screw rod in a threaded and sleeving manner; the insertion block is fixedly arranged on the top side of the movable block; the insertion blocks are respectively matched with the holes in the fixed block A and the fixed block B in a penetrating manner; and the top of the insertion block is in positioning fit with the fixed block B through a positioning assembly. The mold has the advantages that the lower mold body and the upper mold body which move are longitudinally positioned, so that the lower mold body and the upper mold body are kept relatively stable even if turned over.

The utility model relates to a kind of precision drilling depth adjusting equipment for sheet metal machining, belong to the technical field of drilling.The precision drilling depth adjusting equipment for sheet metal machining, including: processing platform and drilling machine, the top end of the processing platform is slidably connected with moving frame;In the scheme, the drilling depth of the downward movement of drilling machine is limited by moving plate, so that drilling machine is moved in place while avoiding excessive movement during drilling process, when the position of moving plate is adjusted, the position of moving plate is preliminarily adjusted by moving frame driving moving plate to move downward, and under the action of pinion, cogwheel, screw rod and moving rod, it is beneficial to further fine adjustment of the position of moving plate, the precision of moving plate and the corresponding scale line alignment is improved by coarse adjustment and fine adjustment cooperation, the precision of moving plate to limit the downward movement distance of drilling machine is guaranteed, to avoid depth deviation during drilling machine punching process, to ensure the punching effect.

The utility model relates to the technical field of pneumatic jumbolters, in particular to a pneumatic jumbolter for a coal mine, and aims to solve the problems that the bottom of a drilling machine lacks an auxiliary supporting mechanism, the drilling machine is only placed on the ground and is easy to support unstably, slide and deviate during working, so that the whole device falls to the ground, and the drilling machine is inconvenient to operate. Therefore, an operator is hurt, and the movement is inconvenient. Comprising a pneumatic jumbolter body, a drill bit assembly is arranged on the top area of the pneumatic jumbolter body, a control handle is arranged on the top area of the pneumatic jumbolter body, and a supporting mechanism is arranged at the bottom end of the pneumatic jumbolter body; the supporting mechanism further comprises a supporting seat, a first bearing, a fixing column, a rotating table, a fixing plate and a first rotating shaft, a mounting groove is formed in the top end of the supporting seat, the first bearing is fixedly connected with the corresponding mounting groove, and the fixing column is fixedly sleeved with the corresponding first bearing.

The invention relates to the technical field of leaking stoppage emergency, and discloses a leaking stoppage emergency protection device for a petrochemical pump valve, the leaking stoppage emergency protection device comprises a first arc-shaped plate and a second arc-shaped plate, the right side of the second arc-shaped plate is attached to the right side of the first arc-shaped plate, and the second arc-shaped plate and the first arc-shaped plate are symmetrically distributed; connecting assemblies connected with the second arc-shaped plate are arranged at the top and the bottom of the first arc-shaped plate correspondingly, a fixing assembly extending to the inner side of the second arc-shaped plate is arranged on the right side of the second arc-shaped plate, and a leaking stoppage assembly extending to the left side of the first arc-shaped plate is arranged on the inner side of the first arc-shaped plate. According to the leaking stoppage emergency protection device for the petrochemical pump valve, by arranging the pressure buffering mechanism, the purpose of arranging a pressure relief structure is achieved, and by arranging the fixing blocks and the fixing mechanisms, the leaking stoppage emergency protection device for the petrochemical pump valve has the advantages that the safety of the petrochemical pump valve is improved, and the safety of the petrochemical pump valve is improved. The purpose of convenient and rapid installation is achieved.

The ship anti-collision equipment comprises an installation plate, installation holes are formed in the periphery of the outer end of the installation plate respectively, limiting blocks are fixedly connected to the two sides of the center of the surface of the installation plate respectively, sliding grooves are formed in the surfaces of the front ends of the limiting blocks respectively, and a box body is fixedly installed at the outer ends of the limiting blocks; through holes are formed in the periphery of the surface of the front end of the box body, a protection plate is arranged at the front ends of the through holes, and an arc-shaped pad is installed at the front end of the protection plate. According to the buffering assembly, guiding blocks are arranged on the periphery of the bottom end of the interior of the box body correspondingly, the guiding blocks conduct guiding movement, the effective buffering and damping effects are achieved when a ship is impacted, an efficient anti-collision effect is jointly formed through a multi-stage buffering and damping mechanism, the multi-stage buffering design can gradually absorb and disperse impact energy, and therefore the impact energy is effectively reduced. And the impact of collision on a ship structure is remarkably reduced, so that the anti-collision performance of the ship is remarkably improved, and the ship and surrounding structures thereof are protected from being damaged.

The paving equipment comprises a paving device, the left side of the paving device is fixedly connected with a fixing plate, the top of the fixing plate is fixedly connected with a brake motor, the output end of the brake motor penetrates to the bottom of the fixing plate, the output end of the brake motor is fixedly connected with a screw rod, and the screw rod is fixedly connected with the left side of the paving device. And the bottom of the surface of the screw rod is in threaded connection with a movable plate, positioning rods are fixedly connected to the four corners of the top of the movable plate, and the tops of the positioning rods penetrate through the top of the fixed plate. The paving device, the fixed plate, the brake motor, the screw rod, the movable plate, the positioning rod, the U-shaped plate, the troweling plate and the screw sleeve are matched for use, so that the paving device has the advantage that asphalt can be uniformly discharged, and the problems that traditional paving equipment is single in discharging structure, cannot uniformly discharge the asphalt, needs to uniformly pave the asphalt manually, and cannot uniformly discharge the asphalt are solved. And the asphalt laying efficiency is easily reduced.

According to the technical scheme, the electric unlocking seat backrest lock is characterized in that the electric unlocking seat backrest lock comprises a frame, a first microswitch, a second microswitch, a transmission assembly, a control assembly, a stop assembly and a lock body assembly, and the first microswitch, the second microswitch, the transmission assembly, the control assembly, the stop assembly and the lock body assembly are all installed in the frame; the transmission assembly is used for driving the control assembly to move, the control assembly is arranged to control the first microswitch and the second microswitch in an abutting mode, and the first microswitch and the second microswitch can reversely control the control assembly to stop after being abutted, so that excessive movement of a component used for abutting is avoided, and the safety of the device is improved. And abnormal sound caused by a gap after the lock bolt is locked is prevented.