222results about How to "Prevent sideways movement" patented technology

The invention discloses a dynamic torque detection system, comprising a bench and a torque sensor; an electrical-pneumatic torque wrench is fixedly mounted on the bench; one end of the torque sensor is connected with an output shaft of the electrical-pneumatic torque wrench; the other end of the torque sensor is connected with a sleeve through a coupling; the sleeve is rotationally fixed on the bench and is connected with a torque brake device that may provide continuous braking for torque. By providing the torque brake device that may provide continuous braking for torque to detect a torque peak, measurement precision is improved; the torque brake device is arranged as a bolt, continuous braking is achieved by tightening the bolt; compared with simulated bolts, the dynamic torque detection system as a calibrator allows an actually used bolt to be sued in the detection process, and the actual condition can be simulated to maximum extent.

The invention discloses a multifunctional module type soil pressure applying and forming device. The forming device comprises a top frame, a pressure applying forming module and soil body strength detection devices, is characterized in that baffles are arranged on the periphery of the top frame, and the pressure applying forming module comprises a plurality of convex bodies; filter devices are further arranged on the part, in contact with the soil body, of the module, and reinforcement bodies sleeve the filter devices; the upper part of the module and a top plate form a vacuum water collectingchamber, and the module is provided with water guide channels; and the top frame and/or the pressure applying forming module are further provided with auxiliary pressure applying devices, the bottomsof the convex bodies are further provided with vertical pile bodies. According to the device, the soil body can be subjected to rapid drainage, consolidation and forming, the device is suitable for shallow layers, middle layers and deep layers treatment, and therefore the device is wide in applicability, high in construction efficiency, short in construction period and low in construction cost.

The invention discloses a double-scissors type rotary lifting table. According to the double-scissors type rotary lifting table, a rotary table body is installed above an upper base, capable of rotating relative to the upper base and used for bearing to-be-borne objects, the upper base is installed at the top end of a double-scissors lifting mechanism and used for bearing the rotary table body; the double-scissors lifting mechanism is installed above a lower base and used for driving the upper base and the rotary table body to vertically ascend and descend; the double-scissors lifting mechanism controls two ball screws to rotate at the same time so as to make two ball nut bases in threaded connection with the two ball screws move away from or get close to a middle bearing base at the sametime; the two ball nut bases drive scissor mechanisms connected with the two ball nut bases to achieve ascending/descending movement of a platform; and the lower base is used for bearing the rotary table body, the upper base and the double-scissors lifting mechanism. The double-scissors lifting structure is adopted, lateral movement in the platform lifting process is avoided, and stability of thelifting process is ensured.

The invention discloses a glass hole drilling tool which comprises a handheld electric drill, a hollow thin-walled drill and a positioning cover. A slide cavity is formed in a drill body of the handheld electric drill. The positioning cover is embedded in the slide cavity through a spring. Suction cups are arranged on the lower portion of the positioning cover. The hollow thin-walled drill is installed on a rotating central shaft of the handheld electric drill. The working part of the hollow thin-walled drill is an interval multi-tooth drilling face, a strip-shaped drill bit is fixedly arranged at the rotating center of a drill bit, and the diameter of the positioning cover is two times larger than the diameter of the hollow thin-walled drill. The glass hole drilling tool has the advantage that the hollow thin-walled drill can be prevented from deflecting sidewards in the hole drilling process.

The invention relates to a construction method for backfilling of an assembled secondary lining of a submerged tunnel, which belongs to the technical field of rail transit engineering construction. It is characterized in that: after the assembly of each ring segment is completed, the bean-gravel construction is carried out in the gap between the back of the prefabricated segment and the primary support structure of the main line; the order of the bean-gravel filling is from bottom to top, left and right symmetrical; Install an airbag seal at the end of the pipe ring. The airbag seal is inflated and pushed against the wall of the cave. When the equipment moves forward, the airbag deflates, and the mounting seat drives the airbag forward; after assembling 20 rings, the ring is prefabricated with cement slurry The bean gravel gaps filled behind the segments are fully filled to form a closed ring. When grouting, grout is injected vertically through the holes, and one hole is injected every five rings; the ring is sealed once every 20 rings, and the ring is sealed by chemical grouting. The invention can control the subsidence of the ground surface, enhance the waterproof ability of the assembled tunnel, prevent the segments from floating up and sideways, and is convenient for construction, high in safety, short in construction period and low in cost.

The invention discloses a small-sized integrated axle weight and brake and vehicle speed combined test bench. The axle weight and brake and vehicle speed combined test bench is composed of a test platform foundation frame, a left test bench framework, a right test bench framework and two testing systems, wherein the left test bench framework and the right test bench framework are connected with the test platform foundation frame through pressure sensors respectively mounted at four corners of the left test bench framework and four corners of the right test bench framework, the testing systems are mounted on the test bench frameworks, and each testing system is composed by a rotary drum, a lifting mechanism, a force measuring device, a rotation speed measuring device and a third rotary drum in a combination mode. According to the axle weight and brake and vehicle speed combined test bench, a brake test bench, a speedometer test bench and two sets of rotary drums of an axle load meter are combined to one group, a driving motor and a speed reducer are arranged in the rotary drums, due to the integrated design, the structure is simplified, the occupied space is reduced, cost is lowered, the space requirement for installation of other devices can be met, and a test vehicle is enabled to finish all testing tasks according to national standard requirements.

The embodiment of the invention provides a vehicle transition track generation method and device. The method comprises the steps that the position information of a vehicle is obtained, and a startingreference line and an ending reference line aiming at the vehicle are obtained; a starting point matched with the position information is determined from the starting reference line; the starting information aiming at the starting point and the ending information aiming at the ending reference line are obtained; and then according to the starting information and the ending information, a transition track from the starting point to the ending reference line is generated, and the vehicle automatically travels along transition track. By presetting the starting information aiming at the starting point and the ending information aiming at the ending point reference line, the vehicle can obtain the transition track according to the starting information and the ending information after obtainingthe current position and the ending point reference line, and the vehicle can travel along the transition track; and automatic driving modes such as lane changing, lane changing car following and lanekeeping can be achieved, the calculation efficiency is improved, the reasonability of a vehicle driving path can be guaranteed, and lateral movement of the vehicle is avoided.

The invention discloses a modular soil compaction molding device applicable for treatment of deep and shallow soft soil foundations. The modular soil compaction molding device comprise an upper frame,a compaction molding module and a soil strength detection device, and is characterized in that the compaction molding module comprises a plurality of convex bodies; the top of the module is connectedto the upper frame, and the part, coming into contact with soil, of the compaction molding module is further provided with a filter device; and the bottom of the compaction molding module is furtherprovided with a vertical pile body. The soil is blocked by the convex bodies at the bottom of the compaction molding module, and prevented from offsetting so that the soil is centralized in spaces among the convex bodies and extruded fully, and the effects of quick drainage and compaction are achieved. Moisture extruded from the soil is discharged through the filter device, and the construction efficiency is improved greatly; and the construction period is shortened, and the construction cost is reduced.

A dry powder inhaler (1) is disclosed comprising first and second medicament reservoirs (2, 2a) and respective rotatable first and second metering members (5, 5a), which are urged into sealing engagement with the respective medicament reservoir (2, 2a) by a compression spring (8) located between the metering members(5, 5a). The inhaler (1) includes an actuator by which the first and second metering members (5, 5a) are rotated in unison from a metering position to a dispensing position. The actuator acts upon the first and second metering members (5, 5a) via a wheel (9) mounted between the first and second metering members(5, 5a). The first and second metering members (5, 5a) are provided with sockets (51) that receive the respective ends of the compression spring (8). The sockets (51) have extensions (52) that project into an axial bushing (92) of the wheel (9), the bushing (92) being provided on its internal surface with formations (94a, 94b, 94c, 94d) that engage the extensions (52) to cause the metering members (5,5a) to rotate when the wheel (9) is rotated.

To provide a means for preventing generation of trouble such as a paper jam due to collapse of attitude of paper sheet as a moment is added to the paper sheet fed second. This paper sheet separating mechanism is provided with a stage composed to be capable of reciprocating, on which paper sheets are loaded, and picker rollers disposed on both sides of a center line along the paper sheet feeding direction to feed the paper sheets. It is provided with a pushing means to push the paper sheets loaded on the stage in the feeding upstream side more than the picker roller.

The invention discloses a fiber-optic liquid-level sensor. The sensor is characterized in that an optical fiber stretching into the interior of a to-be-tested liquid is used as a measurement body; a structure used for simultaneously coupling light waves and sound waves into optical fiber is designed at one end of the optical fiber; the other end of the optical fiber is a free end and suspended in the to-be-tested liquid; and the surface of the optical fiber is covered with a coating layer which is not attached to the to-be-tested liquid. The acoustic-optic coupling fiber-optic liquid-level sensor has the following beneficial effects: the sensor is ultra-small in size; continuous measurement in a wide range is achieved; the sensor is non-metal and does not have conduction characteristics; the sensor is resistant to corrosion resistance and high and low temperature and is low in cost; and compared with a conventional liquid level sensor, the sensor has strong advantages in detection of liquid level under the extreme environment such as liquid hydrogen, liquid oxygen, liquid helium, water level in a nuclear reactor and conductive liquid.

The invention discloses an anti-shock supporting and hanging frame used for installing a pipeline. The anti-shock supporting and hanging frame comprises a first channel steel base, a hinge, a first screw, a channel steel connecting rod, a second channel steel base, a bolt, single-face channel steel, a first rack, a second rack, a U-shaped fixing part, the pipeline, a bottom plate, double-splicingchannel steel, a nut, a second screw and a fixing connecting part. The anti-shock supporting and hanging frame is simple in structure, by arranging the first rack and the second rack, after the fixingconnecting part is installed on the single-face channel steel, the locking force degree between the single-face channel steel and the fixing connecting part can be effectively ensured, the fixing connecting part is prevented from moving laterally when stressed, and the anti-shock performance of anti-shock supports is effectively improved. The first rack is arranged on the side face of the single-face channel steel, the mutual position between the single-face channel steel and the fixing connecting part can be adjusted continuously, in the installing process, the double-splicing channel steelon the adjacent anti-shock support can be adjusted to the same horizontal height beneficially, bending stress is prevented from being generated when the pipeline is fixed, and supporting stability ofthe anti-shock supporting and hanging frame is benefitted.

The invention relates to a cutting tool with a supporting body and at least one receptacle (2), which is arranged in the supporting body (1), is openly formed to allow a cutting edge (3) of a cuttingelement (4) to pass through and in which the cutting element (4) is clamped in its seat by means of at least one clamping jaw (5). The object of the invention is to improve the cutting tool with respect to the cutting behaviour and cost-effectiveness. This object is achieved by the cutting jaw (5) being formed resiliently in the direction of the cutting element (4).

The invention discloses a roller position adjusting device. The roller position adjusting device comprises a roller rack, a roller and a clamping assembly, wherein the roller comprises a roller body, a left roller shaft and a right roller shaft; the left end and the right end of the roller body are respectively rotationally connected with mounting ends of the left roller shaft and the right roller shaft through bearings; connection ends of the left roller shaft and the right roller shaft are respectively connected with the left end and the right end of the roller rack in a sliding manner; the clamping component is used for limiting the positions of the left roller shaft and the right roller shaft on the roller rack. The roller position adjusting device is capable of effectively preventing the roller from moving laterally and adjusting the tension by regulating the front position and the rear position.

The invention discloses a module type soil pressure applying and forming device. The module type soil pressure applying and forming device comprises a top frame, a pressure applying forming module anda soil body strength detecting device, wherein the pressure applying forming module comprises a plurality of convex bodies, and the top of the pressure applying forming module is connected with the top frame. The invention further discloses a processing method of a soft soil foundation, and is used for extruding, draining and forming a soil body by adopting the module type soil pressure applyingand forming device. The device can be integrally manufactured and can also be manufactured in a unit splicing mode. Different functional components can be added on each unit according to needs. The manufacturing mode of unit splicing is adopted, and the size of each unit is small, so that the manufacturing is simpler, and the manufacturing difficulty and the manufacturing cost can be reduced. Moreover, the units can be used as standard sizes or as a series of products, and each series of unit structures are the same in size, so that splicing is carried out according to design or construction requirements, and the design and the use are more flexible.

An energy-dissipating damping device suitable for the mortise-tenon joints of the timber structures of ancient buildings comprises connecting parts II and a connecting part III, wherein the upper endsof the connecting parts II are connected with connecting parts I through bolts I to form closed structures fixed around a wooden beam; two ends of the connecting part III are connected through a boltII to form a closed structure fixed around a wooden pillar; the connecting part III is mounted on a steel support frame with a horizontal steel plate; the lower ends of the connecting parts II are connected to the upper surface of a rectangular steel tube; a viscous friction damper is arranged between the upper surface of the steel support frame and the lower surface of the rectangular steel tube; and metal energy-dissipating rods run from the lower surface of the rectangular steel tube to the horizontal steel plate of the steel support frame through the viscous friction damper. Under the action of earthquake, relative sliding occurs between all layers of the viscous friction damper to drive the metal energy-dissipating rods to bend to dissipate energy together. The energy-dissipating damping device has the advantages of strong energy-dissipating capacity and resistant-lateral rigidity, simple structure, convenient mounting, easy replacement and so on.

The invention discloses a water quality online detection buoy station of a high-drop limit water level river, which belongs to the technical field of water quality detection. The buoy station comprises a buoy body, a probe well and a wing pendulum, wherein the major structure of the buoy body is a fully sealed hollow cylinder body; a water quality detection probe is arranged in the probe well; the probe well and the wing pendulum are the same in weight and are detachably fixed on the outer side of the cylinder body uniformly and symmetrically. In the buoy station, the wing pendulum is mounted below a water line on the side surface of the buoy body and is matched with the probe with the same weight, so that the buoy is kept to be balanced; by setting the amplitude of swing of the wing pendulum, the wing pendulum faces to the direction of water flow; when the wing pendulum is impacted by flood, the water flow and wind direction are dramatically changed, and the wing pendulum forms resistance under the influence of acting force and counter-acting force, so that the buoy body is prevented from being moved and rotated, therefore, the stability is enhanced, the balance and direction can be kept, and the problems that water quality detection equipment of a high-drop water body is high in technical requirements and is overturned easily in the prior art can be solved.

The invention discloses a vascular anastomosis fixing support apparatus and an operation method thereof. The vascular anastomosis fixing support apparatus comprises a main support part and a bending part extending upwards along one end of the main support; the main support part includes an upper surface and a lower surface, the middle of the upper surface of the main support part extends upwards to form a raised support part, and the middle of the top face of the raised support part sinks inwards to form a support camber surface to fit the vessel; positioning strips used for positioning the vessels are respectively arranged on the upper surface of the main support part and two sides of the raised support part; a plurality of overflow holes are further formed in the main support part and isarranged in the manner of penetrating the upper surface and the lower surface of the main support part; the main support part uses bright colors such as green to distinguish easily, and horizontal and vertical scales are arranged on the upper surface of the main support part. By the arrangement, the anastomosed vessels can be placed smoothly without infiltrating in the nearby cerebrospinal fluidor blood and other fluids and can be completely exposed to the surgeon's line of sight, and convenience in operation is achieved.