387results about How to "Prevent side to side movement" patented technology

A quick-detach, free floating, two-piece forward hand guard assembly for a rifle, which includes an inner barrel nut adapted for connection to the rifle's receiver and an outer barrel nut telescopically received over the inner barrel nut and secured thereto to prevent rotation therebetween. The hand guard assembly also includes a top hand guard element engaged with and extending forwardly from the outer barrel nut in a laterally-stable cantilevered orientation above the rifle's barrel. A bottom hand guard element is matingly engaged with the top hand guard element for surrounding the bottom portion of the rifle's barrel and free-floats from the top hand guard element. A spring-loaded detent screw attaches the top and bottom hand guard elements together and also engages the inner barrel nut. For quick-detach barrel removal, the outer barrel nut may be hinged for clamshell action, with the inner barrel nut having a separable two-piece extension.

A carabiner provided with a load bearing apex portion having a rubber sleeve for preventing side-to-side slippage of said carabiner on a rounded handle of a mobile vehicle such as a stroller or shopping cart.

A track for a wall construction for use in building construction is disclosed. Embodiments can include a track having a plurality of bendable tabs that can be manipulated to grip or release wall studs to prevent lateral or side to side movement of the studs. Embodiments can include tracks which incorporate various geometries capable of receiving fire-retardant material, including but not limited to intumescent material.

The invention relates to a pesticide spraying device, in particular to an efficient pesticide spraying device for pineapple planting, aiming at providing an efficient pesticide spraying device, which is high in spraying efficiency, uniform in spraying, large in spray range and good in damping effect, for pineapple planting. In order to solve the technical problems, the invention provides the efficient pesticide spraying device for pineapple planting. The efficient pesticide spraying device comprises a trolley, a right side plate, a guide plate, a spring, a placement plate, a sliding rail, a sliding block, a rolling shaft, a lifting rod, a movable block, a support rod, a guide sleeve, a guide rod, a bearing seat, and the like, wherein the support rod, the sliding rail and the right side plate are sequentially arranged on the trolley from left to right; the guide plate is arranged in the middle of the left side of the right side plate, and a guide hole is formed in the guide plate. The efficient pesticide spraying device fully utilizes the energy of the up and down vibration, caused by the unevenness of the ground in a process of pushing the trolley on a farmland, of an iron pesticide box; due to the buffer action of the spring, a damping effect is achieved.

A fire-rated head-of-wall assembly includes a header track having bendable tabs, a pair of which is configured to hold a wall stud in place relative to the header track. An upper wallboard piece abuts against the ceiling and a lower wallboard piece is spaced from the upper wallboard piece to form a gap. A fire-resistant material, such as mineral wool, is positioned within the gap. An outer wallboard piece spans across the gap.

A track for a wall construction for use in building construction is disclosed. Embodiments can include a track having a plurality of bendable tabs that can be manipulated to grip or release wall studs to prevent lateral or side to side movement of the studs. Embodiments can include tracks which incorporate various geometries capable of receiving fire-retardant material, including but not limited to intumescent material.

The invention provides a pressure adjustment structure. The pressure adjustment structure comprises an exhaust pipe and a valve body. The valve body is arranged on an upper end port of the exhaust pipe in a sleeved mode. A cushion block is arranged under the valve body. A cushion block adjustment structure for driving the cushion block to move up and down is arranged beside the exhaust pipe. The valve body is provided with a magnet, and the cushion block is a magnetic material; or the valve body is a magnetic material, and the cushion block is provided with a magnet; or both the valve body and the cushion block are provided with magnets and attract each other under the valve body. Due to the fact that the cushion block adjustment structure is arranged beside the exhaust pipe, the cushion block adjustment structure is away from an exhaust port of the exhaust pipe, the situation that high-temperature high-moisture gas generated in the exhaust process of the exhaust pipe affects an elastic component in the cushion block adjustment structure and makes the elastic component lose efficacy is avoided, and the reliability and the service life of the cushion block adjustment structure are improved.

The invention relates to drilling equipment, in particular to drilling equipment used before assembling of a storage cabinet. The technical problem to be solved is to how to provide the drilling equipment used before assembling of the storage cabinet, in which a storage cabinet wood board needing to be drilled can be automatically and intermittently replaced, the storage cabinet wood board can beautomatically drilled, and the drilled wood board can be automatically stored. The drilling equipment used before assembling of the storage cabinet comprises a rack, a motor, a discharging box, a sliding plate and the like; and the motor is installed in the middle of the lower portion of the rack through bolts, the discharging box used for storing plates is installed between the tops of the rack,and the sliding plate is arranged on the upper portion of the rack in a sliding mode and located below the discharging box. Through the motor, the sliding plate, an L-shaped push rod, a first connecting rod and the like, a plate needing to be drilled can be automatically replaced, the plate can be transported, and the fixed position of the plate can be drilled through a transmission mechanism, a sector gear, a first rotating shaft, a placing plate, an electric drill and the like.

The invention discloses a pilot proportional reversing valve, which comprises a main valve body and a pilot control valve arranged on the main valve body, wherein both ends of the main valve body are provided with a left end cover and a right end cover; and a main valve core and a main spring are arranged in the main valve body. The pilot proportional reversing valve is characterized in that: the pilot control valve comprises a pilot valve body and a left and a right proportion electro-magnets arranged at both ends of the pilot valve body; and a proportional reducing valve is arranged between the main valve body and the pilot valve body. The pilot proportional directional valve has the advantages of simplified structure, low cost, reduction of extravasation link, good spring guidance, high reliability and strong capability of resisting oil pollution.

Provided is a storage system and a refrigeration appliance including the storage system for storing food items in a temperature-controlled environment. The storage system includes a rail attached to a liner panel. The rail includes at least one mounting structure configured to pass through an aperture in the liner panel. A bin has an arm extending from a rear surface of the bin. The bin is placed in a storage position. The arm is placed between the rail and the liner panel when the bin is placed in the storage position. Another example of the storage system and refrigeration appliance includes a foot extending from a rear surface of the bin. Yet another example includes interaction between a bin tab and a plurality of bumps on the rail to prevent side to side motion.

The invention relates to a cutting device, in particular to a rapid straw cutting device for rear livestock with an aim to mainly achieve the purposes of rapid straw cutting and good cutting effect. In order to solve technical problems, the rapid straw cutting device comprises a mounting frame and the like; a moving mechanism is arranged at the bottom of the mounting frame, and a cutting mechanismis arranged on the upper portion of the mounting frame. The moving mechanism is arranged, and cutting is performed after the moving frame is fixed in case the moving frame moves horizontally; the cutting mechanism is arranged, and cutting of straws can be completed; the mounting frame is arranged, and the straws to be cut can be fed constantly and cut conveniently; press blocks are arranged, andthe straws are compacted downwards during cutting; magnets are arranged, and the straws can be mixed sufficiently and cut completely.

The invention discloses a mechanical damping passive pay-off unit. The mechanical damping passive pay-off unit comprises a pay-off wheel and a center shaft, wherein the center shaft is located in thecenter of the pay-off wheel and penetrates through the pay-off wheel. Damping mechanisms are arranged on the two sides of the center shaft respectively. The mechanical damping passive pay-off unit isscientific and reasonable in structure, and safe and convenient to use; because of the damping mechanisms, friction is generated through contact between each damping fin and the corresponding rotary plate, the pay-off speed of the pay-off wheel can be controlled, and the pay-off wheel can carry out pay-off work stably; because of connecting rods, lead screws, threaded rods and nuts, the separationdistance between each threaded rod and the corresponding nut is adjusted by turning the corresponding lead screw to adjust the gluing force between the corresponding damping fin and the correspondingrotary plate, then friction is changed to achieve the effect of having control over the rotating speed of the pay-off wheel, pay-off is smooth and steady, and the tension of cables is kept as well; and because adjusting gears are driven by rotary shafts to rotate, then racks are driven to move upwards or downwards to enable each positioning toothed plate and the corresponding gear to be separatedor be in engagement connection, the gears can rotate freely when each positioning toothed plate and the corresponding gear are separated, and when each positioning toothed plate and the correspondinggear are separated, the gears are locked, the pay-off wheel is locked as well, and the mechanical damping passive pay-off unit is more convenient to use.

The invention discloses a board cutting machine with a convenient feeding function, and relates to the field of cutting machines. The cutting machine comprises a work table, a conveying platform and a mounting frame; the conveying platform is mounted in the feeding direction of the work table, conveying rollers are arranged on the conveying platform, a blade groove is formed in the work table, and a cutting blade is arranged in the blade groove; a mounting groove communicated with the blade groove is formed in one side of the blade groove, a first lifting device is arranged in the mounting groove, a first drive motor is fixedly arranged on the first lifting device, and the cutting blade is fixed to a rotating shaft of the first drive motor; the mounting frame is mounted above the work table, a second lifting device is arranged on the mounting frame, and a compressing device is arranged below the second lifting device; the board cutting machine is simple in structure, high in cutting efficiency and good in cutting effect.

The invention provides an automatic boxing method for bottles. The method includes the following steps that the bottles are attached to a blocking device and move forward, the blocking device returns to an original position, the bottles are separated by the blocking device, the bottles are attached to a baffle and move to a boxing area, the bottles enter boxes, and the baffle returns to an original position. The problem of toppling of the bottles in the moving process can be solved through the method; the bottles located in the boxing area and the bottles located in a feeding area can be separated to form a gap, so that the problem that a moving space is insufficient for a gripping device is solved. The invention further provides an automatic boxing device for the bottles. The device can be used for achieving automatic boxing of the bottles and avoiding topping of the bottles, can provide a sufficient moving space for the gripping device and is high in production efficiency and stability.

The invention discloses a cable trough main bearing T-beam composite material sidewalk and an installation method thereof, comprising a bracket, a cable trough and a pedestrian board integrated block,wherein the bracket is connected with a pre-embedded metal part embedded on the T-beam; the cable trough is placed on the bracket; and the pedestrian board integrated block is laid on the cable trough. The installation method includes the steps: connecting the bracket to the T beam; enabling the guardrail round pipe to directly penetrate into the round hole of the bracket for connection; then connecting the cable trough and the bracket through an expansion screw; and then forming the pedestrian board and the side beam of the pedestrian board into a pedestrian board integrated block, and laying the pedestrian board integrated on the cable trough. As the cable trough is directly arranged on the bracket, and the pedestrian board is directly laid on the cable trough, the cover plate part of the cable trough is saved, and the material cost is saved, and the strength requirement of the pedestrian plate is lower. Therefore, installation is fast and convenient. The cable trough main bearing T-beam composite material sidewalk is composed of composite materials, and has the advantages of corrosion resistance, maintenance-free, long service life and the like.

A cooler housing capable of encasing, protecting, and supporting cooler components, particularly components necessary for use as a portable evaporative cooler. Though the housing described herein may be used in cooling devices ranging from simple conventional fans to complex heat exchanger devices, the preferred embodiment of this invention is preferably used in conjunction with a portable evaporative cooler employing this housing and further comprising a motor that drives a pump connected to a sump tank.

The invention discloses a grooving machine for carton production, and belongs to the field of the carton production. The grooving machine for the carton production includes a machine frame, a supporting plate is fixedly connected to the right side of the machine frame, a driving motor is fixedly connected to the top of the supporting plate, and an upper pressure line roller is fixedly connected tothe left side of an output shaft of the driving motor; and a cavity is formed in the left side of the front side of the machine frame, and the left end of the upper pressure line roller penetrates through the machine frame and the cavity in sequence and extends into the machine frame. According to the grooving machine for the carton production, a worn grooving cutter can be removed from an upperpressure line wheel by the cooperation of an installation groove, a limiting opening and a limiting fixing device and a new grooving cutter can be replaced; the operation is easy, and the convenienceand the quickness are realized; by the cooperation of a slot, an installation block and a telescopic limiting device, the positions of the upper pressure line wheel and a lower pressure line wheel canbe adjusted, adjusting the position of the grooving cutter according to cartons with different sizes for users is convenient, and the applicability of the grooving machine is enabled to be better.

The present invention is directed to an expandable bag system comprising a main bag and a plurality of accessory bags of various sizes which are releasably attachable to the exterior surface of the main bag by a means for releasably attaching the accessory bags to the main bag. The means for releasably attaching the accessory bags to the main bag comprises at least one sleeve arrangement having a pocket attached to a surface of the main bag and at least one spring clip attached to a back surface of the accessory bag, the spring clip being sized to slide within the pocket of the sleeve arrangement.

The invention discloses a grab bucket type feeding and transporting device for garbage crushing treatment. The grab bucket type feeding and transporting device comprises moving seats, lifting cylinders are installed at the upper ends of the moving seats, and lifting frames are mounted at the upper ends of the lifting cylinders. A guide sleeve is mounted on the upper ends of the lifting frames, anda moving block is installed inside the guide sleeve. A first screw rod is installed on the middle portion of the moving block, and a fixing plate is installed at the lower end of the moving block. Afixed tube is installed at the lower end of the fixing plate, and a second screw rod is installed inside the fixing tube. A driven gear is mounted on the middle portion of the upper end of the secondscrew rod, and a driving gear is arranged at the right end of the driven gear in a meshing mode. A lifting disk is installed on the middle portion of the lower end of the second screw rod through a threaded hole, and hinged bars are fixed to both ends of the lifting disk. Pull rods are hinged to the middle portions of the hinged bars, and hinged blocks are hinged to the tail ends of the pull rods.A limiting block is installed at the bottom end of the fixed tube, a rotating pin is installed on the middle portion of the lower end of the limiting block, and pulling plates are installed on both sides of the lower end of the rotating pin. According to the grab bucket type feeding and transporting device for the garbage crushing treatment, the grabbing of garbage is realized, and manual feedingand transportation are avoided, time and labor are saved, and the crushing cost is greatly reduced.

The invention relates to the technical field of shoe washing equipment, and discloses a device for conveniently cleaning shoe uppers. A driving motor is fixedly installed on the inner bottom wall of the cleaning housing, and a sealing ring is fixedly installed on the output shaft of the driving motor and located on the inner bottom wall of the cleaning housing. The device for cleaning the shoe upper is convenient. By putting the shoes on the L-shaped right splint, and then pressing down the L-shaped right splint, it can tightly suppress the root of the shoe. The T-shaped insert rod on the T-shaped telescopic rod And the slot can limit the position of the L-shaped right splint, effectively prevent the up and down displacement of the L-shaped right splint, and then move the L-shaped left splint to make it tightly suppress the sole, and at the same time pass the lever and the clip The groove effectively prevents the L-shaped left splint from moving left and right, and this method effectively stabilizes the cleaned shoes.

The invention discloses a transmission mechanism for the automatic assembly of eyebrow pencils. The transmission mechanism comprises a conveying belt which is located on a workbench plate and a main drive camshaft which is located below the workbench plate, wherein the conveying belt consists of two parallel fixed conveying plates, which are fixedly arranged on the workbench plate, and two parallel movable conveying plates which are arranged between the two fixed conveying plates, and groove grids which are arranged at equal intervals and are used for locating and placing the eyebrow pencils are formed in upper plate edges of the fixed conveying plates along the length direction; the main drive camshaft is arranged in a manner of being parallel to the conveying belt and is provided with a reciprocating cam mechanism, which is used for driving the movable conveying plates to do back-and-forth reciprocating movement, and an undulating cam mechanism, which is used for driving the movable conveying plates to do rise-and-fall undulating movement, the movable conveying plates do rise-advancing and fall-retreating combined motion to push the eyebrow pencils in the groove grids of the fixed conveying plates to advance in a grid-by-grid manner, and then, the online transmission for the automatic assembly of the eyebrow pencils is realized. The transmission mechanism is simple in structure and stable in operation and can meet the assembly requirements of the eyebrow pencils for online transmission flow-line production.

A track for a wall construction for use in building construction is disclosed. Embodiments can include a track having a plurality of bendable tabs that can be manipulated to grip or release wall studs to prevent lateral or side to side movement of the studs. Embodiments can include tracks which incorporate various geometries capable of receiving fire-retardant material, including but not limited to intumescent material.

The invention discloses a surface hole drilling device for non-excavation construction pipelines. The device comprises a base board, a bottom board, a first hole drilling machine, a second hole drilling machine and pipeline rotary mechanisms; the bottom board is located below the base board; the base board is fixedly connected with the bottom board through a supporting rod; two guide grooves are formed in the top face of the base board in parallel; the first hole drilling mechanism and the second hole drilling mechanism are movably connected to the guide groove; a drive mechanism is arranged between the base board and the bottom board and is connected with the first hole drilling mechanism and the second hole drilling mechanism; pipeline supporting mechanisms are arranged on the center straight line of the top face of the base board at equal intervals; and the two pipeline rotary mechanisms are symmetrically arranged on two sides of the base board. The surface hole drilling device fornon-excavation construction pipelines is simple in structure and high in practicability, not only can achieve single-hole or dual-hole machining for construction pipelines and improve the hole drilling efficiency, but also can clamp and position construction pipelines, rotates construction pipelines at the constant speed according to hole drilling needs at the same time, and greatly improves the hole drilling precision and quality.

The invention discloses a novel clinical bronchus support device for the pediatric department, belonging to the technical field of medical instruments. The novel clinical bronchus support device comprises shoulder pressing plates used for pressing the shoulders, armpit positioning blocks are connected to the lower end faces of the shoulder pressing plates in a sliding mode, arm hoop mechanisms arefurther arranged, each arm hoop mechanism comprises two arc-shaped clamping plates which are mounted on a same sliding block with the corresponding shoulder pressing plate, head pressing blocks usedfor pressing the head are further arranged, and each head pressing block comprises a forehead pressing plate and a head side baffle perpendicular to the forehead pressing plate; a plurality of slidingblock mechanisms and sliding chute mechanisms are adopted, so that the adjustment on the position and distance of the shoulder pressing plates, the armpit positioning blocks, the arm hoop mechanismsand the head pressing blocks is realized; meanwhile, adjusting rods and lifting rods are adopted for adjusting the height of the shoulder pressing plates, the armpit positioning blocks and the head pressing blocks. The novel clinical bronchus support device for the pediatric department can realize relatively comprehensive indirect fixing for the neck of a patient, the fixing effect is good, the bronchus operation can be conveniently carried out or the stability of an air delivery pipe can be conveniently maintained; the device has a relatively comprehensive adjusting function and is wide in application range.

The invention discloses a wooden door cutting clamp. The wooden door cutting clamp comprises two opposite clamp bodies, each clamp body comprises a first U-shaped plate and a second U-shaped plate, a transverse chute is formed in the outer side of the lateral plate of the first U-shaped plate, the length of the first U-shaped plate is smaller than that of the wooden door, the wooden door is located between two first U-shaped plates and propped against the bottom plates of the two first U-shaped plates, and the lateral plate of the first U-shaped plate is further provided with a fastening bolt for propping against the wooden door; the second U-shaped plate sleeves the first U-shaped plate, the lateral plate of the second U-shaped plate is located in the chute, the front and rear ends of the lateral plate of the second U-shaped plate are propped against the side wall of the chute, and a pressure spring is arranged between the bottom plate of the second U-shaped plate and the bottom plate of the first U-shaped plate. The wooden door cutting clamp overcomes the technical disadvantages of low efficiency, bad quality and high labor cost of the current wooden door cutting and has advantages of high efficiency, good quality and low labor cost.

The invention aims at providing a press fitting device for a spare part on a planet carrier. The press fitting device for the spare part on the planet carrier is capable of improving the production efficiency. The device comprises a pressing machine which is arranged on a working platform, a positioning seat and a positioning block, wherein a plurality of first storing grooves are formed in the positioning seat and upwards penetrate through the positioning seat; first compressing springs and positioning pins are arranged in the first storing grooves; the upper end surface of the positioning seat is downwards sunken to form a second storing groove; a positioning column is arranged in the second storing groove and is used for positioning a sun gear; the inner diameter of the second storing groove is beyond the outer diameter of the sun gear; the positioning pins are used for supporting a wheel shaft; a plurality of through positioning holes are formed in the positioning block; the quantity and the position of the positioning hole are corresponding to those of wheel shaft fixing holes in the planet carrier; when the planet carrier is positioned on the positioning seat, and the positioning block is positioned on the planet carrier, the upper ends of the positioning pins extend into the positioning holes through the first compressing springs.

The invention relates to the technical field of chemical products and discloses a constant temperature storage device for preparing 2-methoxypropene. The constant temperature storage device for preparing 2-methoxypropene comprises a box body, and a box cover is arranged on the top of the box body; the outer wall of the box body is fixedly connected with an external threaded pipe; and the inner wall of the box cover is fixedly connected with an internal threaded pipe. According to the constant temperature storage device for preparing 2-methoxypropene, by arranging a sealing groove and a sealingring, the interior of the device can be sealed; by arranging a temperature sensor, the temperature in the device can be known about; by arranging a heating device and a cooler, the temperature in thebox body can be controlled; by arranging an air supply device, the temperature in the box body can be dispersed uniformly; by arranging a vacuum device, the gas pressure in the box body can be controlled, and therefore the box cover can tightly press the box body, and the effect that the sealing performance is more stable is achieved; and by arranging a limiting block, it is prevented that the device is damaged when a square slide groove moves downwards, the structure is compact and effective, work is stable, and use is convenient for a user.

The invention relates to a forming device, in particular to a mass forming device for industrial soap. The technical problem to be solved by the invention is to provide a large-volume molding device for industrial soap with good molding effect. In order to solve the above-mentioned technical problems, the present invention provides such an industrial soap mass forming device, which includes a box body, a second rotating electrical machine, a bearing seat, a flat belt, a second rotating shaft, a second pulley, a second mold, a first Mold, second connecting rod, second slider, etc.; the top of the box is provided with a slide rail and a feed pipe, and the slide rail is located on the left side of the feed pipe. The invention rotates the first rotating motor to drive the groove to rotate, so that soapy water flows into the third mold, starts the fan to work, makes the soap solidify, starts the second rotating motor to drive the first placing plate to rotate, and makes the soap molded. The characteristics of good soap forming effect.

The invention relates to a head fixing device, in particular to a head fixing device for children examination. Therefore, the technical problem of the present invention is to provide a head fixing device for child examination which is capable of fixing a child's head well and reducing the demand for a medical worker. A technical scheme: the device comprises an arc plate, a slide rail, a slide block, a bearing seat, a rotating shaft, a clamping rod, a clamping plate, a plug block, a guide rail, a guide block, a compression spring, an L-shaped rod, a plug rod, a cable, etc.; the arc plate is arranged on the bed plate, the lower part of the arc plate is provided with mounting grooves on the front and back sides, a slide rail is embedded on the top of the mounting groove, and the slide block is arranged on the slide rail. The clamping rod and the clamping plate can be rotated by a rotating shaft when the clamping plate is rotated, so that the clamping rod can be inserted into the clampinggroove, and the clamping plate can be clamped on the left and right sides of the bed plate, so that the device can be fixed, and the device can be prevented from moving left and right during use.

The invention discloses a device for batching a gray fabric of a loom. The device is characterized in that the device includes a machine base (2) arranged outside the loom, a batching mechanism arranged on the machine base (2) and a transmission mechanism for connecting the loom (1) with a batching mechanism, the transmission mechanism is a multi-stage chain transmission mechanism, and the transmission mechanism is connected with an original loom batching taker (7) on the loom. The device for batching the gray fabric of the loom has the advantages of simple structure, convenient, safe and reliable operation, low equipment failure rate and low cost; a driving shaft is capable of producing a batch, thereby reducing the number of fittings during the post processing of finished products.