82 results about "Dipper" patented technology

A new method for controlling movement of a digging dipper includes providing an earthmoving machine with two drive systems for moving the dipper along two respective paths. Also provided is a control apparatus having a reference axis and a knob mounted for movement between a first, repose position and a maximum position spaced from the repose position by a maximum displacement dimension. The knob is displaced along a control axis to a second position which is spaced from the repose position by an actual displacement dimension less than the maximum displacement dimension. The drive systems are energized and the dipper is powered along a digging axis generally parallel to the control axis. A new apparatus for controlling movement of the dipper has a single control knob having a repose position and also has first and second motion transducers mechanically coupled to the knob. In a Cartesian coordinate system, the repose position is at the origin, the first transducer provides a first output signal when the knob is displaced along the "X" axis and the second transducer provides a second output signal when the knob is deflected from the repose position along the "Z" axis.

The invention relates to a composite dipper tooth of an excavator and a manufacturing method thereof, belonging to the field of high-tech engineering materials and application thereof. The novel composite dipper tooth comprises two parts of a bar type tooth tip (tooth bar) and a dipper tooth substrate (tooth substrate) and is formed by high temperature casting. The tooth bar material is novel high-rigidity and high-strength composite metal ceramics and comprises one or more of WC, TiCN, TiN or TiC-based composite metal ceramics; the tooth substrate is high / low chrome alloy steels or high manganese steels with higher rigidity and strength; a composite dipper tooth structure comprises a plurality of tooth bars of wedge shapes, the tooth bars are embedded at the front end of the tooth substrate, and a small section of each tooth bar is exposed out of a steel body, and a certain distance is arranged between tooth bars. The manufacturing method of the composite dipper tooth of the excavator sequentially comprises the following steps of: prefabricating the tooth bars; smelting alloy steels; casting the composite dipper tooth; and demolding. The tooth bar material is characterized by high rigidity, high strength and wearing resistance; the wearing resistance of the dipper tooth is improved and the consumption of wearing materials is reduced due to an intermittent structure, raw materials are saved, the cost is lowered, a contact area between the tooth bars and the tooth substrate is increased, the binding force is improved and the service life of the dipper tooth is prolonged.

A tooth and adaptor assembly is provided for a dipper bucket. The assembly includes an adaptor having a rear portion for attaching to a dipper bucket, a tooth capable of releasable attachment to the adaptor and a retainer pin for securing the tooth to the adaptor. The adaptor has a tapered intermediate portion that narrows to a rectangular front portion and a planar surface on a portion of its intermediate portion. A groove traverses the planar surface, and extends perpendicular to the horizontal longitudinal axis of the adaptor. The tooth has a tip at its front end for digging and a socket at its rear end that is configured to receive the front and intermediate portions of the adaptor. When the tooth is coupled to the adaptor, an opening on the rear end of the tooth aligns with the groove to define a passageway that terminates within the socket of the tooth. The retainer pin is inserted into the passageway to secure the tooth to the adaptor and complete the assembly.

A retarding mechanism for continuously retarding the swinging movements of a dipper door is disclosed. The retarding mechanism comprises a hydraulic braking assembly mounted to the dipper bucket and operatively connected to the dipper door via at least one braking arm pivotally mounted within the braking assembly and at least one linking member pivotally mounted to the dipper door. The retarding mechanism continuously retards the opening and closing movements of the dipper door by controllably braking or slowing the at least one braking arm using the compressive action of at least one hydraulic piston mounted to the braking assembly.

A dipper assembly includes a dipper, a dipper door, a closure mechanism, a trip assembly, and a camshaft support assembly. The dipper door is pivotally mounted to the dipper for movement between an open position and a closed position in which the dipper door covers the dipper bottom. The closure mechanism is configured to retain the dipper door in the closed position. The trip assembly is configured to release the dipper door for movement to the open position, and includes a trip arm coupled to a camshaft and also coupled to a trip rope. The camshaft support assembly is configured to receive the camshaft, and includes a bearing block receiving a rotatable bearing member, and a sealing mechanism.

The invention relates to a method for implementing autonomous integrity of northern dipper second-generation receiver, which comprises the following steps of: step 1, according to observational equation, working out contribution of each visible satellite on GDOP, and sorting from big to small based on the GDOP values; step 2, selecting six satellites with maximum contributions for calculating; step 3, according to observational equation of the six selected satellites, forming odd-even space vector, and forming test statistic based on the odd-even space vector; step 4, according to RAIM algorithm of the odd-even space vector, checking and identifying faults; if this satellite has no fault after checking, using the six selected satellites for localization; and if this satellite has a fault after checking, removing the satellite with fault, selecting next satellite with maximum contribution of GDOP, and using new selected six satellites for localization.

The invention discloses a medicine dipper for cotton swabs. The medicine dipper for the cotton swabs comprises a medicine liquor bottle, a liquor extraction device and a cotton swab box. The medicineliquor bottle is used for storing medicine liquor; a bottleneck is arranged at the top end of the medicine liquor bottle; the liquor extraction device is used for extracting the medicine liquor in themedicine liquor bottle to the bottleneck, so that the cotton swabs can conveniently dip the medicine liquor; the liquor extraction device comprises a pipe body, a slide block, a liquor guiding rod, aspring, a pipe plug and a medicine dipping groove; the cotton swab box is used for storing the cotton swabs; and an elastic piece is arranged in the cotton swab box and can gradually push the cottonswabs to a cotton swab outlet. One cotton swab is firstly taken from the cotton swab outlet of the cotton swab box, a cotton swab head of the cotton swab is placed into the medicine dipping groove, and a user holds a cotton swab rod with the hand and downwards presses the cotton swab, so that the cotton swab can be sprayed with medicine quantitatively; after medicine spraying, the medicine liquorin the bottle is automatically sealed, so that the medicine dipper for the cotton swabs is convenient to operate, labor and time saving, fast and high efficient; and the liquid outlet amount can be further adjusted according to the needs, so that the medicine dipper for the cotton swabs provided by the invention is suitable to application and popularization.

The invention relates to a method for manufacturing excavator dipper teeth, which is technically characterized in that: the excavator dipper teeth are manufactured by a lost foam hollow-shell casting process; and before molten steel is cast, a polystyrene model is burned off by a combustion method, and a cavity like clay sand is obtained; therefore, after the molten steel is cast into the cavity, carbon element generated by gasification of the polystyrene model cannot permeate the surface of the molten steel so as to avoid cast product scrap caused by carbon pick-up of molten steel and slag formation. The method for manufacturing the excavator dipper teeth has the advantages of simple production process, low cost, high efficiency, good product quality and the like.

A dipper assembly includes a dipper, a dipper door, a closure mechanism, and one or more block assemblies. The dipper door is pivotally mounted to the dipper, and has a closed position in which the dipper door covers the dipper bottom. The closure mechanism has a locked position and an unlocked position, and is coupled to the dipper back and the dipper door. In the locked position, the closure mechanism holds the dipper door in the closed position. In the unlocked position, the closure mechanism allows the dipper door to swing away from the closed position. The block assemblies are coupled to the dipper back and limit a rotation of the side link plate to a pre-defined angle that corresponds to the closed position.

The invention provides a high-sensitive Dipper ephemeris collecting method. When satellite signals are weak, a data demodulating error bit error rate is high. A satellite ephemeris data collecting method with characters as units can improve the ephemeris demodulation sensitivity. Further, sub-frames are segmented into different polar areas composed of a plurality of characters, and a plurality of groups of collected subframe data are compared to modify wrong characters in sub-frames and rectify the polarity of characters of difference polar areas. Consequently, complete subframe data with accurate polarity are collected, and complete ephemeris data are further collected. The Dipper ephemeris collecting method can collect complete Dipper satellite ephemeris data on the condition that a high bit error rate exists, and is high in demodulation sensitivity.

The invention discloses an excavator dipper teeth and an excavator with the same. The dipper teeth are Fe-Mn-Al-C light high-manganese steel, the dipper teeth is low in cost, high in hardness and impact toughness; and the preparation of the dipper teeth is characterized in that after accurate heat treatment is carried out on a casting piece with a certain alloy content, surface explosion hardeningtreatment is further carried out; the surface hardness of the excavator dipper teeth treated by the method is larger than or equal to 380 HB, the impact toughness (a V-shaped notch) is larger than orequal to 100J / cm<2>, the tensile strength is larger than or equal to 840 MPa, the average wear resistance is 2.2-2.5 <-1>, the average wear resistance is improved by 40%-50%, so that the excavator dipper teeth and the excavator with the same has the advantages of high in strength, high in wear resistance, high in toughness and the like, and the service life is prolonged.

A dipper door trip assembly includes a dipper, a dipper door pivotally coupled to the dipper, a linkage assembly including a sliding latch bar disposed at least partially in the dipper door, and a latch keeper coupled to the dipper. The latch keeper includes a roller that engages and disengages the latch bar.

An assembly for detachably connecting an implement having a pair of mounting pins to a machine provided with a dipper stick and a pair of tilt links operatively connected to the dipper stick, comprising a first assembly including a pair of jaw members pivotally connected to the dipper stick and cooperable upon pivotal movement thereof to selectively grip and release one of the mounting pins, and means for selectively pivoting the jaw members in opposite directions to effect such grip and release of the one of the mounting pins; and second and third assemblies each including a pair of jaw members pivotally connected to one of the tilt links and cooperable upon pivotal movement thereof to selectively grip and release the other of the mounting pins, and means for selectively pivoting the jaw members in opposite directions to effect such grip and release of the other of the mounting pins.

In a swing type hydraulic shovel in which a working machine (15) is fitted to an upper revolving body (10) to be freely swingable right or left through a swing bracket, swinging the working machine (15) by an actuator (16) equipped between a swing bracket and the upper revolving body (10), arms (21a, 22a, 23a, 24a, 25a and 26a) for attaching the swing actuator (16) of the swing brackets (21, 22, 23, 24, 25 and 26) are made to form a stair of steps (20). Step members (25b) for a stair may be fitted to the arm (25a). It is preferable that nonslip means (21c, 22c, 23c, 24c, 25c and 26c) are installed on the arm (21a) or the step members (25b). To provide a low cost swing type hydraulic shovel capable of securing rise and fall stability at a walkthrough time regardless of the number of kinds of machines.

The invention discloses a dipper teeth assembly of an excavator, comprising dipper teeth and a tooth holder, wherein the tooth holder comprises a head embossment and a scraper pan connecting seat, the dipper teeth comprise a tail cavity containing the head embossment of the tooth holder, the head embossment of the tooth holder is inserted into the tail cavity of the dipper teeth to form a combined structure, wherein the head embossment of the tooth holder comprises a front end and a rear end, the front end is a prismatic structure, the prismatic structure comprises an upper end face and a lower end face; the rear end is a wedged structure, the wedged structure comprises an expanding end and a contract end, the expanding end is connected with the scraper pan connecting seat, the shape of the contract end is the same with the shape of the lower end face of the prismatic structure at the front end of the head embossment, and the contract end and the lower end face are tightly fitted and connected into a whole; and the inner surface of the tail cavity of the dipper teeth is matched with the head embossment of the tooth holder, thus the head embossment of the tooth holder is inserted into the tail cavity of the dipper teeth to form a stable structure. The invention has the beneficial effects that twisting of the dipper teeth is blocked and the problem of fracture failure caused because a teeth pin is stressed and the matched part of the tooth holder and the dipper teeth is stressed is solved.

The invention relates to the entertainment industry. The inventive big dipper comprises a base (1), a closed guidway provided with a spiral part (3) for lifting, a part (4) arranged in the station (5) area, a dead loop part (6) and a transport means. Said transport means turns about the longitudinal axis of the spiral part (3) for lifting until a roll-over is performed prior to landing. Said invention provides passengers with a variety of entertaining effects.

A sandwich cookie dipper for dipping sandwich cookies in milk includes a handle, a cookie cradle and a transition element that interconnects to and sets off the cookie cradle from the handle. The cookie cradle comprises a thin, resilient rod-like member configured to substantially conform to a part of an outer circumference of a crème layer sandwiched between two disk-like cookie members of a sandwich cookie. The sandwich cookie secured thereby is less likely to dislodge as it is dipped and brought to the cookie eater's mouth.

The invention discloses a broadband micro microstrip antenna covering a global satellite navigation system. The antenna comprises a radiator, an exciter and a feed network that are arranged integrally, wherein the radiator comprises a ceramic base material thin sheet, and a metal patch printed on the top surface of the thin sheet, wherein the metal patch and the base material thin sheet are arranged integrally; the radiator metal patch is designed in a manner that the front, back, left and right corners are in centered connection, and each piece on each corner has the four-corner center-connected shape, and the radiator metal patch has 16 secondary patches with the same shapes and same dimensions; four inverse L-shaped coupling probes are mounted in the exciter; and coupling spacings exist between the corresponding coupling probes and patches. The operating frequency of the antenna is expanded to be 1,150-1,700 MHz, so that the limit of 150MHZ of bandwidth of the existing microstrip antenna is overcome; the signal-receiving frequency bandwidth is expanded by 3.6-5.5 times; compared with the existing antenna dimension, the microminiaturization of the antenna is realized; and a test proves that the antenna can receive positioning signals emitted by the American GPS, the Russian GLONASS and the China BeiDou navigation system.

A work machine according to an aspect includes: a dipper stick; a boom; a cylinder for driving the boom; an operation apparatus for operating the dipper stick; and a controller for performing intervention control by using the boom in accordance with an operation command issued from the operation apparatus to achieve land grading. The controller determines whether or not the operation command from the operation apparatus indicates an amount greater than or equal to a predetermined amount, and corrects a speed of the cylinder when the operation command from the operation apparatus indicates an amount greater than or equal to the predetermined amount.

The invention refers to determining dipper geometry. A method of determining dipper geometry includes obtaining a first set of data associated with an industrial machine for a first orientation of the industrial machine, and obtaining a second set of data associated with the industrial machine for a second orientation of the industrial machine. The first set of data includes at least one of a first length associated with a hoist rope and a first angle associated with the hoist rope, and the second set of data includes at least one of a second length associated with the hoist rope and a second angle associated with the hoist rope. The value of the physical characteristic of the dipper is then determined based on the first set of data and the second set of data.

The invention is a kind of engineering equipment of engineering machinery. It installs vibrator and ridger made up of several oil hydraulic jars, guiding body and scarifying teeth on the present earth (snow)-pushing shovel. It can increase the working efficiency.

A wedge with a predetermined angle is attached by various methods to a conventional hair dipper, in which the wedge supports the dipper at a particular angle as it slides across the cutting surface allowing a user to cut hair to a selected length based on the degree of the angle of the wedge.

An industrial machine includes a dipper, a crowd actuation device, a hoist actuation device, a swing actuation device, one or more sensors, and a controller. The one or more sensors generate one or more signals related to a load within the dipper. The one or more signals are received by the controller. The controller determines, based on the one or more signals, whether the industrial machine is operating in an over-loaded condition by comparing a suspended load to a suspended load threshold value. If the suspended load is greater or equal to the suspended load threshold value, the controller takes an action to control the industrial machine. The action taken by the controller can include increasing, decreasing, or otherwise modifying a speed parameter or speed limit, increasing, decreasing, or otherwise modifying a force parameter, etc.

A container having each of a predetermined shape and a predetermined size and made of a predetermined material for containing a preselected dip. The container has a lip means disposed on an upper portion of the container for removing excess preselected dip from at least one of a chip, cracker, pretzel and vegetable used for dipping in said preselected dip.

A dipping system and method for coating of stemmed fruit, includes a conveyer, for transporting stemmed fruit from a loading station to a receiving station, a UV station disposed between the loading and receiving stations, the conveyer running through the UV station for surface microbial disinfection of the stemmed fruit carried by the conveyer. A dipping station is disposed between the UV and receiving stations and includes a heated coating reservoir. Coating of the fruit occurs upon passage of the conveyer over the heated coating reservoir. Fruit holding clips enable suspension of the fruit from the conveyer and enable coating of the fruit without submersion of the conveyer and fruit leaves in the coating reservoir.