76results about How to "Avoid loosening and slipping" patented technology

An improved helmet holder having improved straps, including an engineered seat strap made of hook and loop on the face side and heavy-duty webbing on the back side with the hook and loop joint made in such a manner that it is without comers, having an edgeless hook and loop connection for a smooth seamless strap allowing all hardware to slide easily under tensioning of the strap. The back side of the seat strap has a silicone anti slip / non-slip coating to allow adhesion. The helmet holder further has an engineered helmet holding strap made of hook and loop on the face side and heavy webbing on the back side with the hook and loop joint made in such a manner that it is without comers, having an edgeless hook and loop connection for a smooth seamless strap allowing all hardware to slide easily under tensioning of the strap. to a vinyl or leather motorcycle seat and prevent slipping or loosening of the seat strap. The face side of both straps is made flush by an ultrasonic seal. The seat strap and helmet-holding strap may be included in a kit along with an alternative seat strap for use with clips on seats where appropriate.

The invention provides a production process of a lampshade of an LED energy-saving lamp. The process is implemented by matching a mounting L-shaped plate, a lifting slide plate, a rotary support mechanism, a clamping mechanism and polishing mechanisms, the rotary support mechanism is mounted at the lower end of the mounting L-shaped plate, a shifting slide groove is formed in the mounting L-shapedplate, and the lifting slide plate is mounted in the shifting slide groove in a sliding fit manner. The clamping mechanism is installed at the lower end of the lifting slide plate, the clamping mechanism is located above the rotary support mechanism, and the polishing mechanisms are evenly installed on the clamping mechanism in a sliding fit manner. The production process can solve the problems that in the production process of lampshades of LED energy-saving lamps, the lampshades are difficult to align to be stably clamped and supported, common external supporting and clamping can influencethe effective working area of deburring in the production process of the lampshades of the LED energy-saving lamps, and in the deburring and polishing process, the arc-shaped surfaces of the lampshades of the LED energy-saving lamps are difficult to circumferentially and evenly grind.

The invention belongs to the technical field of teaching auxiliary equipment, and particularly relates to a multifunctional auxiliary device for graphic design teaching. The device comprises a base, apower unit, a supporting plate, a top plate and a clamping unit; the power unit is installed on the base and comprises a motor, a first gear, a second gear, a rotating shaft and a rotating plate. Theclamping unit is installed on the top plate and comprises a lead screw, a clamping plate and a fixing plug. One end of the lead screw is rotationally connected into the sliding groove, and the otherend extends out of the sliding groove and is provided with a handle. The fixing plug slidably sleeves the side wall, close to the handle, of the lead screw; through cooperation of the base, the powerunit, the support plate, the top plate and the clamping unit, clamping and rotary display of the model are realized, and omnibearing display of the model for students is realized, so that the studentscan perform deeper learning on the graphic design through the three-dimensional model, and convenience is brought to the students to construct three-dimensional thinking.

The present invention discloses a stabilizing device used for fixing a detonation pressure sensor. The stabilizing device comprises a detonation pressure sensor stabilizer and a coaxial cable stabilizer, and the detonation pressure sensor stabilizer is a cylinder equipped with the large and small diameter stepped center holes matching an outer circle of a detonation pressure sensor body. The outer cylindrical surface of a circle body is equipped with the outer screw threads, and the end head is equipped with a concave edge bench. The large diameter center hole is equipped with the inner screw threads, and the outer cylindrical surface corresponding to the middle part of the large diameter center hole is symmetrically equipped with the installing holes communicated with the large diameter center hole. The coaxial cable stabilizer is a stepped cylinder equipped with an internal center hole and the external small, medium and large diameters, wherein the outer cylindrical surface of a small diameter cylinder is equipped with the outer screw threads, the end face is equipped with a counter bore communicated with the center hole. According to the present invention, the measurement data deviation caused by the instability of the sensor and a measurement error caused by the swinging or loosening of a coaxial cable are avoided effectively, thereby guaranteeing the accurate measurement of the detonation pressure sensor to a detonation wave.

The invention discloses an assembly type bent cap formwork system, and belongs to the field of expressway bridge engineering. The system comprises two groups of side formworks, two groups of end formworks, two bottom formworks, multiple bottom crossbeams arranged at the bottoms of the bottom formworks and two groups of primary trusses arranged on the periphery of a formwork; the side formworks, the end formworks and the bottom formworks are matched to form a bent cap; the primary trusses comprise multiple C-shaped trusses, B-shaped trusses and A-shaped trusses, and the primary trusses are provided with operating platforms, ladder stands and fences; the bottom formworks are provided with cavities matched with bridge pier columns, the bottom crossbeams arranged at the bottoms of the bottom formworks are put up on the primary trusses, upper opposite-pull rods are arranged on the upper portions of the bottom formworks, and lower opposite-pull rods are arranged at the bottoms of the bottom formworks; the lower ends of the primary trusses are fastened to the bridge pier columns through embedded bolts and cone nuts. According to the bent cap formwork system, the construction efficiency of bent cap formwork installation is greatly improved, the working environments of the processes of formwork installation, on-site steel bar binding and concrete pouring are improved, and the safety guarantee capacity is improved.

The invention provides a bidirectional tensioning device and an automatic dispensing machine with the same. The bidirectional tensioning device comprises a baseplate, a rotating mechanism and a tensioning device, wherein the rotating mechanism is arranged on the baseplate and comprises a lower rotating disc, an upper rotating disc above the lower rotating disc, a first rotating shaft arranged on the upper rotating disc, a second rotating shaft parallel to the first rotating shaft, a motor for driving the second rotating shaft to rotate and a belt line wound on the upper rotating disc and the second rotating shaft; the tensioning device comprises a bracket and tensioning wheels arranged on the bracket; and the tensioning wheels are distributed on two sides of the belt line by taking the connection line of the first rotating shaft and the second rotating shaft as a symmetry axis, and performs rotating motion under the drive of friction force of the belt line. The bidirectional tensioning device can automatically tighten the belt line to prevent the belt line from becoming loose and slipping so as to improve the medicine output efficiency.

The invention relates to the technical field of ocean engineering equipment and discloses an anchor chain stopper for ocean anchoring. The anchor chain stopper for ocean anchoring comprises a fixing bracket; a locking nut is fixedly mounted in one side of the fixing bracket; a locking connecting rod is connected to an internal thread of the locking nut; a hexagon adjustment head is arranged at oneend of the locking connecting rod; a thrust bearing is fixedly mounted at the other end of the locking connecting rod; a locking gear is arranged on one side of the thrust bearing; and a locking chain wheel fixedly sleeves one side of the external surface of the locking gear. According to the anchor chain stopper for ocean anchoring, as a rubber material friction cushion block on a clamping blockis arranged, an anchor chain can be more effectively clamped on a locking chain wheel so that a phenomenon that chain links on the locking chain wheel are loose due to the shaking of a hull cannot becaused, and a windlass is further prevented from being damaged because a force generated by an anchor and the anchor chain directly acts upon the windlass; and therefore, the stability of the chain stopper during fixing the anchor chain is effectively improved.

The invention discloses a fixator which has multiple fastening functions and is applicable to lower limb examination. The fixator comprises a foot plate, the foot plate is installed at the lowermost end of a supporting plate, and binding belts are connected to the outer walls of the two sides of the foot plate. By adding fastening devices inside a first femoral ring and a second femoral ring of the fixator for the lower limb examination, the fixator for the lower limb examination can adapt to legs with different thicknesses of various people, the fastening devices can also enable the fixator for the lower limb examination to more firmly fix the legs of a patient, and the situation that the examination effect is influenced when the legs of the patient are loosened during CT examination is prevented; meanwhile, an adjusting device is added on the foot plate of the fixator for the lower limb examination to enable the feet placed on the foot plate of the patient to be firmly fixed to the foot plate, the occurrence that the feet of the patient fall off from the foot plate or get loosened due to external force is prevented, and the fixator can also adapt to feet of patients with different sizes.

The present invention discloses a VR (virtual reality) device and a control method thereof. The virtual reality device includes a virtual reality glasses body; a tightening tape is disposed at two sides of the VR glasses body; a control device is disposed inside the VR glasses body; a liquid crystal manipulation panel electrically connected with the control device is arranged at the upper part ofthe VR glasses body; the tightening tape is provided with a locking device electrically connected with the control device; the tightening tape is provided with a head support; a retracting motor electrically connected with the control device is arranged between the tightening tape and the VR glasses body; the control device includes a single-chip microcomputer; the head support is provided with asensor electrically connected with the control device; and the sensor comprises at least one pressure sensor. The VR (virtual reality) device provided by the invention can be quickly turned on, is convenient to wear, can automatically adjust wearing tightness in real time and enables high comfort.

The invention discloses an anti-landslip construction technology for a slope building concrete layer. The anti-landslip construction technology for the slope building concrete layer includes the following construction steps of firstly, rock stratum trepanning, secondly, anchoring section arrangement, thirdly, anchoring section grouting, fourthly, anchoring section grouting compaction, fifthly, pre-tightening section arrangement, sixthly, slope face base body pouring, seventhly, pre-tightening and anchoring, and eighthly, plugging. By the adoption of the anti-landslip construction technology, a slope body and a rock body foundation can be prevented from sliding horizontally, connection is stable and firm, and construction is easy and convenient.

The invention discloses a single-port thoracoscope incision separation protective sleeve, and belongs to the technical field of medical instruments. The sleeve comprises a mounting ring, an outer clamping ring, an elastic pipeline and an inner clamping ring, the bottom end of the outer clamping ring is provided with the elastic pipeline, the bottom end of the elastic pipeline is provided with theinner clamping ring, and the upper end of the outer clamping ring is provided with the mounting ring; a thoracoscope fixing assembly is arranged on one side of the mounting ring, the thoracoscope fixing assembly comprises a connecting rod, a limiting ring, a torsional spring, an arc-shaped frame, a limiting spring and a clamping block, the arc-shaped frame is arranged at the upper end of the mounting ring, the torsional spring is arranged at the upper end of the arc-shaped frame, and the limiting ring is symmetrically arranged on one side of the torsional spring; by arranging the thoracoscopefixing assembly, the situation of loosening and slipping is prevented, the use quality is guaranteed, the working stability is improved, the working quality is guaranteed, and by arranging the suctiontube mounting assembly, it is guaranteed that the assembly can be suitable for suction tubes of different specifications.

The invention provides a loading machine with rotary feeding hoppers. The loading machine comprises a walking device, a feeding device, a belt conveying device and a tensioning mechanism. The feedingdevice comprises a feeding frame, a first rolling shaft, a second rolling shaft, a third rolling shaft, conveying belts, a first drive device, a second drive device and a feeding roller. The conveyingbelts are installed on the first rolling shaft, the second rolling shaft and the third rolling shaft. The first drive device is connected with the first rolling shaft in a transmission manner. The feeding frame is installed ahead of the walking device. The outer side wall of each conveying belt is provided with a plurality of feeding hoppers distributed at equal intervals. The tensioning mechanism is installed between the conveying belts and the feeding frame. A feeding roller is installed on the portion, ahead of the conveying belts, of the bottom of the feeding frame in a rotating manner. The second drive device is used for driving the feeding roller to rotate. The belt conveying device is installed on the walking device. The loading machine can solve the technical problems that when atraditional loading machine or transferring machine carries out loading or transferring operation, needed space is large, and the loading efficiency is low.

The invention discloses a dynamic balanced soundbox. The dynamic balanced soundbox comprises a shell; a loudspeaker is fixedly connected at the left side of the front of the shell; a component body isfixedly connected at the left side of the back of the inner cavity of the shell; a fan is arranged at the right side of the shell in a penetrating manner; a fixed frame is fixedly connected at the right side of the shell; a through groove is formed at the right side of the fixed frame; and a wind concentration cover is communicated at the left side of the fan. According to the dynamic balanced soundbox disclosed by the invention, due to matched use of the fan, the wind concentration cover, a connection pipe, a diversion ball, a first wind output pipe, a first wind output cover, a second windoutput pipe and a second wind output cover, the problem that the heat dissipation effect of the existing dynamic balanced soundbox is poor can be solved; the dynamic balanced soundbox has good heat dissipation effect; in the use process, generated heat can be dissipated in time; the phenomenon that a circuit is burned out can be prevented; the service life of the soundbox is prolonged; the soundbox is conveniently used by users; and thus, the dynamic balanced soundbox is worthy of being popularized and used.

The invention discloses a vehicle wireless charging module configured to disassemble, assemble and locate. The vehicle wireless charging module comprises a wireless charger and a support; the wirelesscharger comprises a shell, a power source, a magnet and a coil, the shell is internally provided with a mounting cavity, and the power source, the magnet and the coil are arranged in the mounting cavity; the magnet is arranged at the outer sides of the power source and the coil; the support comprises a front support and a mounting component configured to install the support, and the front supportis connected with the mounting component; the front side of the front support is provided with a location concave portion, and the front support is provided with a taking and placing operation port penetrating the location concave portion and the outer side; the front support is provided with a magnetic attracting piece corresponding to the location concave portion; the wireless charger is detachably and adaptively located at the location concave portion, and the magnetic attracting piece and the magnet are mutually magnetically attracted, and therefore, through the magnetic attracting disassembling and assembling design of the wireless charger and the support, the wireless charger is put into the location concave portion for magnetic attracting location, the location between the wirelesscharger and the support is stable and firm, especially, when the vehicle wireless charging module is used in a vehicle, it is avoided that the wireless charger is fell off to cause falling and damaging of the wireless charger and a mobile phone, and the wireless charger can be taken off by directly taking away the wireless charger from the taking and placing operation port, the operation is convenient.

The invention provides a polyurethane sponge cutting processing device and a cutting processing method thereof. The polyurethane sponge cutting processing device comprises a mounting bottom plate, supporting legs, a conveying mechanism and a cutting mechanism. The polyurethane sponge cutting processing device can solve the problems that in the polyurethane sponge cutting processing process, polyurethane sponge needs to be manually stretched to a proper distance to be cut, during the period, due to the fact that the sponge is soft, the diameter of a sponge roll can be gradually reduced along with continuous cutting operation, stable and effective clamping operation is difficult to carry out on the sponge roll, moreover, during sponge conveying operation, due to the fact that the sponge is soft, the sponge can be stretched and conveyed by the same length during each time of cutting operation, the sponge on the rear side of a cutting opening is difficult to clamp during cutting operation,the sponge is prevented from being wound and rebounded after cutting is completed, and continuous sponge cutting operation is more difficult to carry out.

The invention discloses a connecting device of a solar photovoltaic system. A photovoltaic panel of the solar photovoltaic system is installed on a support unit including a long support, a short support and an inclined beam, wherein the two ends of the inclined beam are arranged on the long support and the short support respectively, the photovoltaic panel is installed on the inclined beam through an installation piece which is provided with a sliding groove, and a supporting piece is arranged at the bottom of the photovoltaic panel and is connected in the sliding groove of the installation piece in a sliding mode through a connecting piece. According to the connecting device of the solar photovoltaic system, photovoltaic units can be quickly assembled through sliding grooves and connecting pieces, assembling and disassembling are more convenient, connection is more stable, and shaking can be avoided.

The invention discloses a dustproof and heat dissipation type portable motor. The dustproof and heat dissipation type portable motor comprises a motor shell, wherein a heat dissipation assembly is mounted at the lower end of the motor shell; a fixing assembly is mounted at one side of the motor shell. The dustproof and heat dissipation type portable motor is scientific and reasonable in structureand safe and convenient to use; the heat dissipation assembly is arranged and gas is convenient to circularly flow in the motor under the action of an air inlet hole, a ventilation channel, an air outlet plate and a heat dissipation hole, so that the heat dissipation effect of the device is improved and the problems that the hole is formed in the outer side of the device to carry out heat dissipation so that rainwater enters the device from the hole are avoided; meanwhile, the ventilation channel is arranged so that the inner part of the motor is not in direct contact with the external environment and the damp-proof and dustproof effect of the device is increased; the fixing assembly is arranged, and a first fixed plate and a second fixed plate are convenient to combine under the action ofa fixed block, a fixed shaft, a first rotary shaft and a second rotary shaft; the motor is convenient to carry and transport by utilizing the effect of a carrying groove, and various functions of carrying and fixing are realized; the motor is more convenient to use.

The invention relates to the technical field of rice crust cutting, in particular to a fried rice crust cutting device with a scrap collecting function, and the device comprises a box body, a placing mechanism is mounted on the box body, a cutting mechanism is mounted on the box body, an auxiliary mechanism is mounted on the placing mechanism, and an adjusting mechanism is mounted on the cutting mechanism. A collecting mechanism is mounted in the box body, a control mechanism is mounted on the collecting mechanism, and a locking mechanism is mounted in the box body; under the action of the placing mechanism and the cutting mechanism, rice crust can be placed and diced, under the action of the auxiliary mechanism and the adjusting mechanism, the placing mechanism can slide smoothly, under the action of the collecting mechanism and the control mechanism, scraps generated by rice crust cutting can be stored, and follow-up classified recycling is facilitated; through cooperation of the placing mechanism, the locking mechanism locks and limits the collecting mechanism, and the collecting mechanism is prevented from loosening and slipping.

The invention belongs to the field of medical supplies and particularly discloses a multifunctional medical cotton swab. The multifunctional medical cotton swab comprises a rod body and is characterized in that one end of the rod body is vertical; the other end of the rod body is in an arc shape; both ends of the rod body are respectively provided with a groove near the tip position; and cotton balls are respectively and fixedly twined at both tips of the rod body through the grooves. The multifunctional medical cotton swab disclosed by the invention is simple in structure, convenient in use, reasonable in design and flexible in application and is suitable for being widely popularized and applied, and the cleaning capability and the use safety of the cotton swab are effectively enhanced.

The invention relates to the technical field of servo motors, in particular to a servo motor convenient for fine adjustment positioning, which comprises a motor seat, a sliding seat is slidably connected to the top surface of the motor seat, a motor is fixed in the sliding seat, and an output shaft of the motor penetrates through the side wall of the sliding seat and extends out. The outer side of an output shaft of the motor is fixedly sleeved with a belt pulley, and the belt pulley is used for being connected with an external belt transmission device; one end of the sliding seat is provided with an identification mechanism used for positioning the sliding seat and synchronously identifying the loosening condition of the belt, and one side of the sliding seat is provided with a pulling mechanism; according to the scheme, the distance between the two belt pulleys is increased by automatically adjusting the position of the motor, so that the belt is tensioned, the situation that the wrap angle of the small belt pulley is reduced or the belt bears reverse bending due to looseness of the belt is avoided, and the service life of the belt is prolonged.

The invention relates to the technical field of building construction, in particular to a pipeline fixing device on a building construction scaffold. The pipeline fixing device comprises a bottom plate, oblique supporting rods are fixedly connected to the periphery of the bottom plate, the upper ends of the oblique supporting rods are connected with a supporting column through an adjusting structure, a lower limiting ring is welded to the upper end of the supporting column, an upper limiting ring is hinged to one end of the lower limiting ring, and the other end of the upper limiting ring is fixedly connected with an L-shaped block. A through hole is formed in the L-shaped block, a fixing column is inserted into the through hole, one end of the fixing column is fixedly connected with a ring buckle, and the other end of the ring buckle is fixedly connected with a threaded fixing rod. A connecting base is fixedly connected to the lower limiting ring, the threaded fixing rod is in threaded connection with the connecting base, the middle of the upper limiting ring is in threaded through connection with the fastening screw, and a fixing block is fixed to the lower end of the fastening screw. By means of the pipeline fixing device, the difficulty generated when workers arrange pipelines is reduced, and the pipeline fixing device has the advantage that the pipeline fixing effect is facilitated.

The invention provides an agricultural tricycle. The tricycle comprises a frame, a front wheel, rear wheels and a cargo box. The frame is provided with a diesel engine, a clutch, a gearbox and a hydraulic self unloader, the diesel engine is transversely arranged on the frame, the clutch is fixedly arranged on a flywheel of the diesel engine, a gearbox input shaft is connected with the clutch, and a gearbox output shaft is sequentially connected with a universal joint, a transmission shaft and a rear axle assembly. The agricultural tricycle is characterized by simple structure, low cost, long service life, convenient use and the like.

The invention discloses an automatic opening and closing type anti-falling lifting hook device used for hoisting machinery, and relates to the technical field of lifting hooks. The problem that the optimal design of an anti-release structure of a hook connecting component of an existing anti-falling lifting hook is not ideal enough, consequently, the lifting hook is prone to being disassembled inair during splicing and use, and a hoisted object has a relatively large hidden danger of shaking and falling are solved. The automatic opening and closing type anti-falling lifting hook device used for the hoisting machinery comprises hook bodies, each hook body comprises a rail strip, a positioning frame, positioning short shafts and a blocking frame, and the two hook bodies are spliced to forma double-lug lifting hook. The two corresponding positioning short shafts are symmetrically welded to the top end section of each of the two hook bodies, and the two positioning short shafts on the left side are each provided with a hook plate in a sleeved and rotating manner. Steel wire lifting ropes penetrate through semicircular clamping plates, the semicircular clamping plates can drive sliding frames and ejector blocks to slide upwards through the up-lifting force of the steel wire lifting ropes, and therefore the trouble that the ejector blocks are ejected and pushed to slide upwards through manual force is omitted.

The invention provides an elevator bucket type loader which comprises a walking device, a loading device and a belt conveying device tensioning mechanism. The loading device comprises a loading rack,a lifting rack, an elevator bucket, a lifting hydraulic cylinder, shoveling buckets and an overturning hydraulic cylinder. Two left and right symmetrical chutes are formed in the front part of the loading rack, the left and right ends of the elevator bucket are slidably arranged in the chutes, separately, the elevator bucket is arranged on the front side of the lifting rack, the top of the back side of the elevator bucket is in hinged connection to the lifting rack, overturning shafts are fixedly arranged on the left and right sides of the elevator bucket, separately, limiting blocks are fixedly arranged above the front side wall of the loading rack above unloading sections of the two chutes, the upper end of the lifting hydraulic cylinder is hinged to the top of the connecting rack, the lower end of the lifting hydraulic cylinder is hinged to the top of the lifting rack, the bottom of each shoveling bucket is hinged to the loading rack, the overturning hydraulic cylinder is arranged between the shoveling buckets and the belt conveying device tensioning mechanism is mounted on the walking device. The elevator bucket type loader solves the technical problem that a conventional loading machine or transferring machine in loading or transferring operation is large in needed space and low in loading efficiency.

The invention relates to the field of winding devices for cable transportation, in particular to a winding device for cable transportation. The winding device comprises a main body mechanism, a winding mechanism, a fixing mechanism and a cleaning mechanism. When an operator turns on an external power supply of the winding mechanism, the winding mechanism rotates in the main body mechanism, so that a cable is wound on the side wall of the winding mechanism when the winding mechanism rotates, the operator can wind the cable conveniently, and the winding efficiency of the device is improved; when the operator steps on and rotates the fixing mechanism, the fixing mechanism slides in the main body mechanism, and meanwhile, the fixing mechanism is clamped into the main body mechanism through rotation, so that the situation that the position of the winding device is displaced during winding is prevented; and when the cable penetrates through the cleaning mechanism, the cleaning mechanism is enabled to clean and scrape dirt on the side wall of the cable, and meanwhile, the cleaning mechanism can also conveniently limit the side wall of the sliding cable, so that the situation that the cable rotates and slides down during winding is prevented.

The invention belongs to the technical field of non-woven needle machining, and particularly relates to non-woven needle body cold heading and reducing equipment. The non-woven needle body cold heading and reducing equipment comprises a machine base and a workbench fixed to the upper portion of the machine base in a threaded connection mode, wherein a supporting frame is fixedly arranged on the workbench, a cold heading device is fixedly arranged in the middle position of the inner side of the top end of the supporting frame, and the top of the workbench is in sliding connection with a transverse moving mechanism. Transverse and longitudinal movement is conducted according to the screw rod transmission principle, a clamping mechanism for clamping a workpiece is driven to horizontally moveon the workbench in the X-axis direction and the Y-axis direction till the clamping mechanism is located under the cold heading device, adjustability is high, the cold heading device can meet the clamping and positioning requirements of workpieces of different sizes, when the workpiece is clamped and fixed, the clamping mechanism can be moved to any position in the stroke of the transverse movingmechanism and a longitudinal moving mechanism in the effective area of the workbench, the workpiece can be conveniently clamped and fixed, and the moving limitation is reduced.