206results about How to "Free to adjust the length" patented technology

The invention relates to an automatic adhesion device for an outer surface of a bushing. An adhesive box of the automatic adhesion device for the outer surface of the bushing is connected with an adhesive brush through a pipeline; an adhesive injection control device is connected in series with the pipeline for connecting the adhesive box with the adhesive brush; a pedestal of the adhesive brush is arranged on a sliding polished rod in a penetrating way; a transmission lead screw of an adhesive rush feeding mechanism is in threaded connection with the pedestal of the adhesive brush; the bushing is arranged on a rotary bracket; one end of the bushing is in threaded connection with an electric rotary disc of the rotary bracket, and the other end of the bushing is arranged together with a bearing and a bearing fixing rod of the rotary bracket; and brush hair of the adhesive brush is just in contact with the bushing. According to the automatic adhesion device, automatic adhesive brushing of an oil field bushing is realized, the entire process is automatically realized, the adhesive brush does rectilinear motion during adhesive brushing, and the brushed bushing is driven by the electric rotary disc to rotate; since the adhesive brush only does rectilinear motion, adhesive brushing on the bushing with the same force by the brush hair of the adhesive brush in an entire adhesive brushing process can be guaranteed, the automatic adhesion device is highly standard, and uniform adhesive brushing can be realized.

The invention discloses a portable fruit picking device, comprising a telescopic rod, a handle part, a traction component, a shearing component and a collecting part. The telescopic rod is a support rod capable of freely telescoping, is used for adjusting the length of the device to adapt to fruits at different heights, and is made of a hollow metal rod. The handle part is a power source to the traction component and may adjust the length of a steel wire according to the length of the telescopic rod. The traction component is used for dragging a moving blade to move and is composed of the steel wire and four fixed pulleys. The shearing component is used for shearing pedicels, is composed of blades and a blade rail and shears a pedicel by meshing of the blades. The collecting part is used for receiving fruits having the pedicels sheared, is mounted below the shearing component and is composed of a steel ring, a mesh passage and a collecting box. After pedicels of fruits are sheared off,the fruits fall into the steel ring and enter the collecting box along the mesh passage. The portable fruit picking device according to the scheme is suitable for picking a lot of fruits at a time, is simple to operate and good in collection convenience and has reliable properties.

The present invention relates to a new-type goods supporter, belonging to the field of mechanical technology, it particular it relates to a device for fixing goods on the automotive vehicle. Said new-type goods supporter includes self-body, handle, toothed bar, tube and positioning jaw. The handle is hinged with self-body, said hinged place is positioned in the front end of the handle, and along the edge of front end portion of the handle the dental teeth are set, the toothed bar can be passed through self-body, and the tube is formed from inner tube and outer tube which are cover-connected together, the inner tube and self-body are fixedly connected together, between the inner tube and outer tube a positioning device is set. Its application range is extensive, and its operation is convenient.

The invention relates to the field of coal mining anchor cables, in particular to an anchorage length limit device for a grouting anchor cable, which comprises an anchor cable, a slurry stopping plug and an arc shaped tray. The anchor cable is sleeved with a sleeve, one end of the sleeve is provided with a rubber skin, the center of the rubber skin is provided with a hole, one end of the anchor cable passes though the sleeve and goes out from the hole of the rubber skin, the length of the anchor cable extending out of the rubber skin is anchoring length, the part of the anchor cable, extending out of the rubber skin, is an anchoring section; the anchoring section and the sleeve are inserted into anchor cable holes on surrounding rocks; the slurry stopping plug can be sleeved at one end of the sleeve, close to the entrance of the anchor cable hole, after slurry grouted to the anchoring section in the anchor cable hole is solidified; and the arc shaped tray is fixed at one end of the anchor cable, exposing out of the anchor cable hole, by a lock. The anchorage length limit device can be used for freely regulating the length of the anchoring end of the grouting anchor cable, controlling the anchoring length of the anchor cable more reasonably so that applied pretightening force can act on a larger area of rocks, thereby fully exerting the active supporting and protecting function of the anchor cable.

The invention discloses a coaxial graphene fiber supercapacitor and a manufacturing method thereof. The method comprises the following steps: 1) dissolving a graphene oxide raw material in deionized water, and then obtaining a graphene oxide dispersion liquid having a mass fraction, 2) extruding the grapheme oxide dispersion liquid into a configured solidification liquid using a spinning head having a certain caliber, and then obtiang a graphene oxide fiber, 4) placing the obtained graphene oxide fiber in reducing environment to perform reduction, and then obtaining a graphene fiber, 5) disposing a layer of a polymer solution on the obtained graphene fiber in a dip-coating manner, and then obtaining the graphene fiber wrapped in polymer gel, 6) disposing a layer of the graphene oxide dispersion liquid on the graphene fiber wrapped in a polymer in a dip-coating manner, and performing drying, 7) placing the fiber in the reducing environment to perform the reduction, and 8) disposing a layer of a polymer electrolyte on the fiber in a dip-coating manner, and performing fully swelling in an electrolyte solution. The method is simple and convenient, and is low in cost, green, environmental-friendly, and suitable for large-scale industrial production; specific capacitance of a capacitor is high, the supercapacitor has good circulation and good toughness and can be used in energy storage, flexible material and other fields.

The invention discloses a platform hand truck for agricultural transportation. The platform hand truck comprises a hydraulic lifter; the hydraulic lifter is mounted at the upper end of the middle of the leftmost end of a base; a push rod is arranged at the upper end of the hydraulic lifter and penetrates through the hydraulic lifter transversely; and a locking nut is arranged on the outer wall ofthe middle of the rear portion of the hydraulic lifter. A fastening plate is additionally arranged on the rear portion of the base, T-shaped sliding blocks are arranged at the lower ends of the fastening plate, and two T-shaped sliding grooves are formed in the base, so that the T-shaped sliding blocks drive the fastening plate to slide in the T-shaped sliding grooves, accordingly the fastening plate can clamp materials placed on the base, thus, the platform hand truck can drive the materials to pass through multiple pavements stably without worrying about sliding-down of the materials, and the economic loss caused by sliding-down of the materials is reduced; and a traditional totally-fixed type connection column at the lower end of the push rod is improved into a two-section type connection column capable of being adjusted in length, so that the purpose that the length of the connection column at the lower end of the push rod can be adjusted freely is achieved.

The invention relates to the field of coaxiality detection and discloses a coaxiality detection tool.The coaxiality detection tool comprises a coaxial body (1), a first detection pin (2) and a second detection pin (3).The two ends of the coaxial body (1) can stretch and retract in the axial direction of the coaxial body (1).The first detection pin (2) and the second detection pin (3) are in coaxial butt joint with the two ends of the coaxial body (1) respectively.The coaxiality detection tool is high in universality, and coaxiality detection of two holes with different distances and different diameters can be realized.

The invention discloses an adjustable sanitation garbage clamp. The adjustable sanitation garbage clamp comprises a main handle, a rack rod and a mounting box. The main handle is of a cavity structureand is internally provided with the rack rod. One end of the rack rod movably penetrates through the side wall of the main handle and is fixedly connected with the mounting box. Two longitudinal-symmetry first rotary discs are rotatably connected to the inner wall of the mounting box. Through combining of the rack rod, the mounting box and handles, the length of the garbage clamp can be adjustedfreely; through combining of sheets and rubber cushions, the situation that clamping plates are not limited by the shapes of objects during clamping of the objects is guaranteed, and the situation that clamped garbage is not liable to slip off is guaranteed; contact of a sanitation worker and the garbage objects is avoided, the objects can be clamped only by pinching the handles; first pull ropescan extend automatically along with extending of the rack rod, so that the situation that the extending clamping plates can be controlled by the handles flexibly is guaranteed.

The invention relates to the environment protective chalk.The chalk core uses chalk liquid changing to solid to reduce powder greatly. The chalk core is installed on the special chalk shell to reduce contamination to hands.

The invention discloses an improved infusion fixing board for children. The improved infusion fixing board comprises a base board and a curved board in clamping connection with the base board, the front portion of the curved board is convex, the rear portion of the curved board is concave, openings are formed in the front end and the rear end of one side of the base board respectively, inserting openings are formed in the positions, corresponding to the openings, of the other side of the base board respectively, two rolling shafts are arranged in an internal cavity of the base board and an internal cavity of the curved board, a flat elastic telescopic band is wound on each rolling shaft, the free ends of the elastic telescopic bands penetrate out of the corresponding openings, and the penetrating ends are provided with clamping buckles matched with the inserting openings. A plurality of vent holes are formed in the curved board and the base board. Locking buckles capable of fixing the corresponding elastic telescopic bands are arranged on the outer sides of the openings. Through the structure, the elastic telescopic bands can fix a fixed board and the hands, and can automatically retract back to the internal cavity of the base board when not used, and using is convenient. The locking buckles can freely adjust the length of the elastic telescopic bands, and the phenomenon that the children are fixed too tightly and the skin turns pale is prevented from occurring.

Disclosed is a clothes hanger capable of telescoping freely. An inner rail is disposed in an outer rail bar, and the inner rail can slide freely in the outer rail bar, so that the length of the clothes hanger can be adjusted, and movable hooks can be retracted in the outer rail bar when the inner rail is telescoped.

The invention relates to a mechanical sealing device with an axial adjusting function for a large-sized dredger sludge pump. The mechanical sealing device comprises a seal tank connected with the sludge pump in a sealed mode, as well as a moving ring seat provided with a moving ring and a static ring seat provided with a static ring in the seal tank, wherein a push ring is arranged between the static ring seat and the seal tank; the moving ring seat is in fastened connection with a shaft sleeve via a fastening bolt, and rotates together with a pump shaft; an external adjustable static ring axial compensation mechanism is arranged on the outer end face of the seal tank; the external adjustable static ring axial compensation mechanism comprises a gland arranged at the outer end of the seal tank, and the gland is connected with the outer end face of the seal tank; an adjusting gasket is arranged between the gland and the outer end face of the seal tank; and static ring compensation assemblies are uniformly distributed in the circumferential direction of the outer end face of the seal tank. The mechanical sealing device is used for solving split and integrated mechanical sealing; and the working height of a spring is not changed with the adjustment of a pump body in installation and use processes, and the damaged spring element can be replaced timely without detaching equipment, so that the performance stability and reliability of user equipment are guaranteed, and the service life of the sealing device is prolonged.

The invention relates to the field of glue spraying for products, and discloses a general glue spraying conveyer line. A front adjusting plate and a back adjusting plate are arranged on a bottom plate of the conveyer line through a supporting plate; a product is arranged between the front adjusting plate and the back adjusting plate; the bottom plate is also provided with a conveyer line device, a conveyer line width adjusting device, longitudinal glue spraying mechanisms and horizontal glue spraying mechanisms; the conveyer line device can convey the product forwards; the conveyer line width adjusting device can adjust the distance between the front adjusting plate and the back adjusting plate; the longitudinal glue spraying mechanisms can spray glue on the bottom surface of the product in the longitudinal direction; the horizontal glue spraying mechanisms can spray glue on the bottom surface of the product in the horizontal direction. The product moves and sequentially passes through two groups of longitudinal glue spraying mechanisms and two groups of horizontal glue spraying mechanisms, and finally the glue on the bottom surface of the product is rectangular. The conveyor line has freely adjustable width, is high in universality, is suitable for sizes and widths of different products, and has the advantages of simple structure, simple installation and debugging, high reliability, low cost and suitability for different environments.

The invention relates to the technical field of engineering machinery, in particular to a movable and adjustable waterproof construction trolley for a large-section tunnel. The movable and adjustablewaterproof construction trolley comprises a gantry, a traveling mechanism and a waterproof plate hydraulic mounting system. The gantry is composed of vertical columns, transverse horizontal supports,a longitudinal horizontal support and inclined supports. The movable and adjustable waterproof construction trolley further comprises a winch hoisting system and a steel bar laser positioning system.The structure is simple, and the waterproof construction trolley travels in an electric rail-traveling mode, so that the traveling speed of the waterproof construction trolley is increased, and damageto the waterproof trolley is avoided; the mounted winch hoisting system is used for lifting waterproof materials, the transport efficiency of the waterproof materials is improved, meanwhile, the waterproof construction efficiency and quality are improved, and the labor cost is reduced; and by mounting a laser positioning instrument on the waterproof trolley, when the waterproof trolley is used for mounting steel bars, the laser positioning instrument can effectively control the intervals of steel bar layers and protecting layers, and thus the steel bar construction quality is improved.

The invention relates to an automatic sand blasting device for an outer surface of a bushing. A sand box of the automatic sand blasting device for the outer surface of the bushing is connected with a sand blaster through a sand grain conveying pipeline; an air compressor is connected with the sand grain conveying pipeline through an air line; the sand blaster consists of a single-grain sand loading pipe, a sand grain nozzle and a sand blasting movable seat; the single-grain sand loading pipe is positioned outside the sand blasting movable seat; the sand grain nozzle is arranged in the sand blasting movable seat; the single-grain sand loading pipe is connected with the sand grain nozzle; the sand blasting movable seat is arranged on a sliding polished rod in a penetrating way; a transmission lead screw of a sand blasting feeding mechanism is in threaded connection with the sand blasting movable seat; the bushing is arranged on a rotary bracket; one end of the bushing is in threaded connection with an electric rotary disc of the rotary bracket, and the other end of the busing is arranged together with a bearing and a bearing fixing rod of the rotary bracket; and the sand blaster is arranged close to the bushing and can be used for blasting sand grains to the bushing. According to the automatic sand blasting device, automatic sand blasting of an oil field bushing is realized, the entire process is automatically realized, uniform sand blasting in an entire sand blasting process can be guaranteed, and the degree of standardization is high.

The invention provides a data cable with a telescoping function, including a USB plug, a fixed shell, upper fixed blocks, lower fixed blocks and a pressing rod, the fixed shell is sleeved in the rightposition of the USB plug, the upper fixed blocks are fixedly installed on the top surface inside the fixed shell, the lower fixed blocks are fixedly connected with the bottom surface inside the fixedshell, the pressing rod is movably connected with the internal middle position of the fixed shell, and the inner side of the USB plug is fixedly connected with a data cable. The damage caused by thedirect contact between the data cable and the outside world is effectively avoided, so that that service life is prolonged, the two ends of the data cable is effectively prevented from being pulled off, the service life is prolonged, the data cable can be freely stretched and contracted, and can be freely adjusted in length, has a good use effect, is convenient to carry, has strong practicability,is suitable for the production and use in the field of data cables with a telescopic function, and has good development prospects.

The invention belongs to the technical field of application of electronic product production accessories, and discloses spraying equipment. The spraying equipment comprises a frame. A spraying mechanism and a workpiece fixing mechanism are arranged on the frame. The spraying mechanism comprises an X sliding rail, a Y sliding rail and a slider. The slider is connected into the X sliding rail and the Y sliding rail slidably. A spraying machine body is connected to the slider rotationally. A rotation driving piece used for driving the spraying machine body to rotate intermittently by 90 degrees is arranged on the slider, and comprises a shifting disc and a slotted wheel. The slotted wheel is provided with four radial grooves evenly. The shifting disc is provided with a round pin capable of sliding in the radial grooves. The slotted wheel is fixedly and coaxially connected with a rotating shaft. The spraying machine body is fixedly connected with the rotating shaft. By the spraying equipment, the problem of non-uniformity in spraying thickness of edges of laptop cases in the prior art can be solved.

The invention provides an automatic adjusting and locking device for a bicycle handlebar. The automatic adjusting and locking device comprises a first clamping block, a second clamping block connected with one end of the first clamping block by use of a connecting block and first and second pins, a sleeve inserted into a cavity formed by the first clamping block and the second clamping block, and a transverse tube inserted into the sleeve, wherein a square groove is formed in one end of the first clamping block; the lower end, inserted into the square groove, of a connecting column is a cuboid; a key groove is formed in the insertion end of the sleeve which is inserted into the cavity formed by the first clamping block and the second clamping block. The automatic adjusting and locking device for the bicycle handlebar is capable of replacing a damaged handlebar and also freely adjusting the length of the transverse tube of a bicycle according to the preference of a user.