6685 results about "Transmission belt" patented technology

The present invention provides a multiple transmission pair stepless variable drive, mainly including reverse brake and forward gear clutch which are set in the gear shifting box and driving cone disk portion, driven cone disk portion and transmission belt. Said invention is characterized by that the driving cone disk and driven cone disk portions are respectively formed from two or more than twofixed cone disks and several moving cone disks correspondent to them. The driving cone disk portion is coupled with main shaft of gear shifting box and the driven cone disk portion is coupled with driven shaft of gear shifting box, and they can be synchronously rotated with them, between driving cone disk portion and driven cone disk portion two or more than two parllelly arranged transmission belts are set and connected between them so as to form two grups or more than two groups of transmission pairs structure.

To provide an adequate biasing load to an endless transmission belt by biasing forces of a plurality of springs with different biasing forces and oil pressure biasing force to permit an easy adjustment. In a structure which includes an almost cylindrical plunger, a tensioner body into which the plunger is fitted, high pressure oil chambers are formed by the tensioner body and the plunger and supplied with oil pressure. Two tensioner springs, a rigid spring and a soft spring are supported by the tensioner body and are arranged in series for biasing the plunger. The plunger in its fully stretched state is supported by the serially arranged rigid and soft tensioner springs. In a condition when the plunger is pushed back from this fully stretched state by a prescribed amount or further, the plunger is supported by the rigid tensioner spring.

The invention relates to a method for pretreating fibers, comprising the following steps of: performing surface activation on fibers by a dopamine hydrochloride biomimetic modification method, and then performing impregnation treatment on the fibers by using impregnation solution composed of rubber latex and phenolic resin, aiming to improve the interface adhesion property of the fibers with rubber so that the fibers are more suitable for tyres, conveyor belts, high-pressure rubber tubes and transmission belts. The method solves the experimental problem caused by high toxicity of isocyanate and avoids damage on the fibers caused by high-temperature treatment; and the process flow is simplified and the production cost is reduced.

The invention discloses a double-arm loading and transferring robot and belongs to the field of robot structure design. Fast package loading during air transportation is achieved through the double-arm loading and transferring robot. The robot comprises a clamping module composed of mechanical arms, a disc mechanism and a guide rail mechanism, a conveying belt module used for transferring, a chassis module capable of making the robot move freely, and a sorting module located at the transferring terminal point. During transferring, a double-arm rotary structure is adopted by the robot, the two mechanical arms are fixed to a rotatable disc, the included angle between the two mechanical arms is 180 degrees, after a package is clamped by one mechanical arm, 180-degree fixed-angle rotation of the rotatable disc is achieved through the cooperation of a clutch and an incomplete gear mechanism in the disc, the package is placed onto a small conveying belt, the other mechanical arm starts clamping simultaneously, and in this way, the double mechanical arms can conduct clamping and placing alternately so that the packages can be clamped continuously. Meanwhile, the clamped packages are transferred through the conveying belt, and the efficiency is improved. After the packages reach a transfer location, the conveying belt can be in lap joint with an airport large conveying belt by adjusting the angle and heights, and the packages are separated from a sorting device and moved to a cabin.

The invention provides an automatic cleaning machine of a water bucket, relates to automatic cleaning equipment of a pure water bucket, and in particular relates to the automatic cleaning machine of the water bucket which can wash inside and outside simultaneously, aiming to solve the problems that the recycled water buckets cannot be washed from inside to outside by all national manufacturers of bucketed pure water in the existing background technology, particularly, bacteria are easy to breed in the water bucket at a high temperature in summer and the water bucket is polluted, and blots in the bucket are difficult to clean and the bucket only can be cleaned by manually binding a piece of cloth on an iron rod. The technical scheme for solving the technical problems is as follows: the automatic cleaning machine of the water bucket mainly comprises an air cylinder, a motor, a transmission box, a clutch cover, a transmission belt, a frame body, a positioning bracket, a fixed bracket, a bucket tray, a positioning eccentric shaft, an inner hairbrush, an outer hairbrush and the like. The inside and outside of the water bucket are completely cleaned by the cleaning machine and no blind angles exist; and the automatic cleaning machine of the water bucket can be matched with other disinfection equipment and the integral work of washing the inside and outside of the water bucket can be realized according to the washing quantity needing to be allocated.

The invention discloses a double-shaft needling machine, belonging to the technical field of non-woven textile machinery. The machine comprises a rack, a power transmission mechanism, a main shaft, an auxiliary shaft and an auxiliary shaft transition transmission mechanism. The machine is characterized in that the auxiliary shaft transition transmission mechanism comprises a first belt wheel, a second belt wheel, a transition belt wheel, a tension belt wheel and a transmission belt, wherein the first belt wheel is fixed at the other end part of the main shaft; the second belt wheel is fixed on the auxiliary shaft and corresponds to the first belt wheel; the transition belt wheel and the tension belt wheel are arranged on the rack; the transmission belt is sleeved on the first and second belt wheels, the transition belt wheel and the tension belt wheel; and the transition belt wheel, the tension belt wheel and the first belt wheel are in a triangular positional relation. The double-shaft needling machine disclosed by the invention has the advantages of avoiding noise, reducing the manufacturing and mounting difficulty, being beneficial to maintaining and replacing a bearing, shortening the shutdown time, ensuring the operation efficiency, saving resources and lowering the cost.

The invention discloses an extrusion granulation device for feed processing, which comprises a granulation box, a drive motor is arranged on the top of the granulation box, a transmission shaft is connected to the output shaft of the drive motor, and a coaxial fixed installation is installed on the transmission shaft. The driving pulley and the turntable, the connecting rod is hinged at the side edge of the turntable; the driven pulley is rotated on the granulation box, and the driving belt is wound between the driven pulley and the driving pulley, and the driven pulley is the same The shaft is fixedly installed with a driving bevel gear; the surface of the rotating shaft is provided with a helical blade; the extrusion die is installed horizontally in the granulation box, the horizontal limit sleeve is horizontally installed on the inner wall of the right side of the granulation box, and the left end of the slider is connected with a Several cutting blades are arranged parallel to each other, and the baffle is in contact with the disc cam; the slider drives the cutting blades to cut the feed extruded from the extrusion die, making the feed more refined and uniform, and effectively avoiding feed blockage The extrusion die head greatly improves the efficiency of feed processing and granulation.

The invention discloses a small multifunctional express sorting machine, comprising a sorting mechanism and a scanning mechanism, wherein the sorting mechanism comprises a main transmission belt, a driving belt, a motor, an air cylinder and a moving block; the scanning mechanism comprises a scanning lifting frame, a scanning gun mounting fixture, an auxiliary roller wheel and an auxiliary sliding chute; a scanning frame can be adjusted up and down by regulating the position of a spring bulge via a scanning frame lifting mechanism; the roller and the auxiliary sliding chute are used for conveying expresses to the sorting mechanism after express scanning is completed; in the sorting mechanism, the main transmission belt is driven to move via the motor, the moving block can be rotated for 70 degrees under the control of a program so as to realize sorting of the expresses. The small multifunctional express sorting machine is simple in structure, low in cost, easy to operate and high in sorting efficiency, the sorting speed can be realized by only adjusting the rotating speed of the motor, and meanwhile the small multifunctional express sorting machine has broad use prospect.

The invention discloses an automatic guide control system which comprises a transmission belt, guide arms, a control device and a height control arm, wherein the transmission belt is used for transmitting objects along a determined direction; the guide arms are arranged on the two sides of the transmission belt through guide arm installing ends and used for regulating the direction of the objects to be transmitted; the control device can control the movement of the transmission belt; the height of the height control arm can be set, and the height control arm is used for controlling that the objects to be transmitted are not transmitted in an overlapping manner; and the guide arms are arranged to be single or in a large arm-small arm connection manner and can be arranged side by side in multiple groups. The automatic guide control system also comprises guide grooves which are used for guiding the objects passing through the guide arms into specified lines and are arranged side by side in multiple groups. The automatic guide control system has the advantages of simple structure, convenience and effectiveness for sequencing the disordered and scattered materials, strong applicability and high precision.

The invention discloses a vehicle ABS test bed with changeable attachment coefficient and comprises a front and a back shaft frames, a front and a back fly wheel shafts, a transmission box and a telescopic transmission shaft; the front and the back shaft frames are respectively and symmetrically provided with a front left wheel, a front right wheel, a back left wheel and a back right wheel roller group and the front left wheel, the front right wheel, the back left wheel and the back right wheel roller group are totally uniform; each roller group is respectively connected with the output end of a torque controller through a transmission belt in correspondence and the input end of the torque controller is respectively and rigidly connected with the front and the back fly wheel shafts; the front and the back fly wheel shafts are connected with the telescopic transmission shaft through the transmission box to realize mutual synchronization; each fly wheel shaft is rigidly and symmetrically provided with two fly wheels with same turning inertia; the braking force of the wheel of the measured vehicle can be changed by controlling magnetizing current of the torque controller when the wheel is in lock braking and then the attachment coefficient of the road can be simulated. The invention can be widely applied in vehicle examination, ABS research and development, vehicle maintenance and service industry.

Provided is a fully automatic carton molding machine. The fully automatic carton molding machine comprises a rack, a transmission belt which is arranged on the rack and extends outward, a box pressing device which is arranged above the transmission melt, a box holding device which is arranged on two sides of the box pressing device, and a molding machine head device which is arranged below the transmission belt. The fully automatic carton molding machine further comprises a programmable logic controller (PLC) controlling system for controlling the transmission belt, the box pressing device, the box holding device, and the molding machine head device. The molding machine head device comprises four molding machine heads and the molding machine heads can independently complete molding work, so that the fully automatic carton molding machine is stable at work. Lifting-dropping barrel bodies are arranged on all the molding machine heads, the lifting-dropping barrel bodies can independently lift and drop, a shovel device and a plate pressing device of the molding machine heads can rotate and tilt, and thus the fully automatic carton molding machine is flexible at work. Due to the fact that the PLC controlling system for controlling is the transmission belt, the box pressing device, and the molding machine head device, automatic production is achieved, and thus production efficiency and product pass percent are improved.

The invention relates to a pipeline robot for internal diameter measurement. The pipeline robot for the internal diameter measurement comprises a supporting mechanism, a main driving mechanism and a laser measurement mechanism, wherein the supporting mechanism mainly consists of a nut for a ball screw, a step motor I, wheels, a connection rod, a push rod and the like; the main driving mechanism mainly consists of a worm gear, a worm rod, a belt wheel, a transmission belt and the like; and the linear movement of the pipeline robot can be realized through the driving of a step motor II. The laser measurement mechanism is mainly composed of a sensing measuring head, a sensor bracket and a step motor III. The pipeline robot provided by the invention can be used for measuring an internal diameter of a long pipeline, and can particularly meet the measurement requirement of thin and long pipes with the larger range of the internal diameter. The pipeline robot provided by the invention not only can be used for carrying out non-contact measurement on the internal diameters of the pipelines with different sizes but also can realize various measurements by means of replacing a measurement head of a sensor, such as flaw detection and the like. The pipeline robot has the advantages of high measurement precision and convenience in use.

A method for storing and distributing various articles, according to which the objects are stored on the trays of a rack structure. A suitable extraction system driven by a control and command system is movable in front of the rack structure in such a way that the extraction system is aligned in front of the bay of a tray carrying the stock of articles corresponding to the selected object so as to remove at least one of the articles. Objects or articles having the same reference are stored adjacent to each other on the upper side of one or several freely moving continuous conveyor belts, the conveyor belt(s) forming the receiving surface for one of the different bays of a storage tray. The conveyor belts are selectively motorized, causing the articles carried by the conveyor belts to be moved in the direction of a point of removal. The selective motorization is obtained by operating moving wheels mounted on a mobile extractor, which is movable in front of the storage rack and transports the conveyor belt(s) of the bay holding the selected or ordered articles by friction in such a way that at least the first one of the articles is transferred to a receiving surface of the extractor.

The invention discloses a travelling mechanism of a track inspection robot. The travelling mechanism comprises a track and a driving mechanism, the driving mechanism moves along the track, and the inspection robot is installed on the driving mechanism; the track comprises an aluminum profile and a chain which is arranged under the aluminum profile in parallel; the driving mechanism comprises suspension arms, a cross beam, a steady wheel set, a chain wheel, a driving motor and a steering device, a U-shaped structure is formed by the two suspension arms and the cross beam, the suspension arms make slideable contact with the aluminum profile through the steady wheel set, the chain wheel is horizontally arranged and rotationally connected with the cross beam, the chain wheel meshes with the chain, a torque input shaft of the chain is fixedly connected with a torque output shaft of the driving motor through a transmission belt, and the driving motor is fixedly connected with the cross beam.In the travelling mechanism, the standard industrial aluminum profile is used as the track, the chain is used as a path, the chain wheel is used as a driving wheel, and a chain-drive mode is adoptedso that precise positioning can be achieved, and turning and climbing can be easily achieved; the steering shaft is adopted as a steering knuckle so that the requirements for small-radius turning canbe met.

An apparatus and method to monitor endless belts and related belt drive systems by non-contact sensors for wear or an anomalous function, determining the state of belt drive system and detecting early stages of belt and system failure. A sensing unit featuring one or several independent sensor elements is placed near a belt of a polymer matrix with a fiber cord load bearing core to monitor several simultaneously occurring normal modes of operation. The sensor can determine soundness of the whole timing drive continuously by processing the collected signal and detecting structural damage. The collected data is processed by a microcontroller integrated with the sensor. The apparatus and method uses a non-contacting capacitor array having sensing element(s) connected to electronic circuitry that is adapted to sense the dynamic capacitance change coupled with electrocapacitive and piezoelectric effects exhibited by the belt. The sensor continuously monitors the belt during normal operation.

This invention relates generally to a conveyor system including a speed control slide sorter system disposed perpendicular to a pass through conveyor wherein the speed control improves efficiency in loading and utilizing available area on the belt and selects the conveyor speed to induce a diverter action according to sensors which detect portions of the irregular shaped packages, parcels, and bags which can be engaged by the pop-up belt at a selected time to slow the conveyor and engage the pop-up transfer conveyor without stopping the conveyor.

The invention discloses an aerobic fermentation fertilizer making device for organic solid waste, which comprises fermentation cabins, a plant, multifunctional pile turning machines, a feeding device and a screening machine, wherein multiple groups of fermentation cabins are arranged in the plant; each group of fermentation cabin comprises a primary fermentation cabin and a secondary fermentation cabin which are correspondingly arranged on an upper position and a lower position; the bottoms of the two fermentation cabins are respectively provided with a transmission belt, an idler wheel and an aeration pipe; the discharging end of the feeding device is positioned on the primary fermentation cabin; the multifunctional pile turning machines are arranged in the two fermentation cabins; the bottoms of the two fermentation cabins are respectively provided with a movable baffle; one end of the transmission belt of each fermentation cabin corresponds to the position of the movable baffle of the fermentation cabin; the outlet of the movable baffle of the primary fermentation cabin is positioned above the transmission belt of the secondary fermentation cabin; the outlet of the movable baffle of the secondary fermentation cabin is positioned above the screening machine; the top of the plant is provided with an odor centralizing pipe provided with a plurality of air inlets; and the odor centralizing pipe is connected with a deodorization device arranged out of the plant. The aerobic fermentation fertilizer making device for the organic solid waste has the advantages of small occupied land, high mechanized degree and low operation cost and is simple to operate.

The invention provides a full-automatic paper money clearing and packaging assembly line, structurally comprising a clearing and binding machine, a paper money sorting and transmitting mechanism, a stacking and wrapping machine, a paper money plastic packaging machine, a follow-up detecting and tidying mechanism, transmission belts and assorted sensors, wherein the clearing and binding machine, the paper money sorting and transmitting mechanism, the stacking and wrapping machine, the paper money plastic packaging machine and the follow-up detecting and tidying mechanism are sequentially arranged according to a technique flow order and are controlled by a main control management unit; and the transmission belts and the assorted sensors are arranged among the mechanisms. According to the main points, the paper money sorting and transmitting mechanism between the clearing and binding machine and the staking and wrapping machine refers to a sorting and transmitting channel formed by a middle transmission belt and parallel-connected double-channel transmission belts through bridge type connection. With the adoption of the automatic assembly line, paper money returned back to a bank can be automatically distinguished into ATM (Automatic Teller Machine) currency, circulation currency and damaged currency through a clearing and binding module according to a condition of the paper money, and then be automatically cleared up, boxed and put in storage through stamping, sorting, stacking, binding, labeling and plastically packaging without manual intervention, so that the high automation and the high production efficiency can be realized.

The invention discloses a pot noodle placing and encasing device and belongs to the technical field of industrial robot application. The device comprises a pot noodle placing line, a selective compliance assembly robot arm (SCARA) transfer robot and a pot noodle encasing line. The pot noodle placing line comprises a first transmission belt, a pot noodle turning robot, a first baffle, a photoelectric sensor and a second baffle. The SCARA transfer robot is responsible for encasing placed pot noodles into cases on the pot noodle encasing line. The pot noodle encasing line comprises a second transmission belt, a third baffle, and a third transmission belt. According to the device, a mechanical-electrical integration system is adopted, the mechanical technique, electronic technique, computer software and hardware, control technique, photoelectric sensing system and robot technique and the like are combined, placing and encasing of the pot noodles are completed through unified coordination of all the assemblies, the practical production requirements of enterprises can be met, and the feasibility is high.

The invention discloses a prostration type crawl exercising machine. The prostration type crawl exercising machine comprises a main frame, an angle uplift mechanism, a hand movement mechanism, a waist and abdomen support device and a foot movement mechanism, the hand movement mechanism, the waist and abdomen support device and the foot movement mechanism are arranged on the main frame sequentially according to a front, middle and rear sequence, and the angle uplift mechanism is arranged at the position, corresponding to the hand movement mechanism, bellow the front end of the main frame. The hand movement mechanism comprises a motor, a transmission belt, a roller, a left woven belt and a right woven belt, the motor drives the transmission belt to drive the roller to rotate, and the woven belts are arranged on the roller. The foot movement mechanism comprises a left slider and a right slider, a left slide rail and a right slide rail are arranged on the main frame, and the sliders are mounted on the slide rails respectively. The prostration type crawl exercising machine is capable of enabling a person to achieve multiple crawl exercising modes on the exercising machine so as to achieve exercise and fitness effects.

The invention discloses a multi-station pinion shaft pressing assembling machine which comprises a stand, a steel-shaft feeding device, a pinion feeding device, a pre-positioning clamp, a shaft pressing assembling device, a transmission mechanism and a control system. The transmission mechanism is arranged on the stand and comprises a motor, a main transmission wheel, an auxiliary transmission wheel and a transmission chain or a transmission belt; the axes of all the transmission wheels and the motor are arranged horizontally; the shaft of the main transmission wheel is connected with the shaft of the motor; the pre-positioning clamp is fixedly connected with the transmission chain or the transmission belt; the motor is controlled by the control system to drive the transmission chain or the transmission belt to transmit intermittently in a positioning way; a shaft dropping station, a pinion pushing station and a shaft pressing assembling station are arranged on the stand along the transmission direction of the transmission chain or the transmission belt; and the steel-shaft feeding device, the pinion feeding device and the shaft pressing assembling device are arranged on the shaft dropping station, the pinion pushing station and the shaft pressing assembling station correspondingly. By adoption of the multi-station pinion shaft pressing assembling machine, the efficiency of assembling the pinion and the steel shaft assembly can be effectively improved, the interference fit of the pinion and the steel shaft can be realized reliably, the discharging can be convenient, the manpower can be saved, and the shaft pressing assembling of the pinion with different types and the steel shaft can be realized through adjustment or reconstruction.

The invention discloses a tire laser marking device and a method based on a machine vision identity. The device comprises a production line conveyor belt, a clamping and rotating device, an information collection working region, a tire data reader, a mark position reader, an auxiliary lighting device, a smog extracting facility, a laser marking working region, smog filtering and air discharge equipment, a radio frequency CO2 laser, a focusing work bench, a high speed laser scanner, a scanning focus lens, a collimating and beam expanding system, a reflector and a computer system. The information required to be marked is etched on the surface of the tire through the machine vision identity technology and the laser beam high speed scanning and marking technology by utilizing the radio frequency CO2 laser. The invention has the beneficial effects that: through the machine vision identity technology, the marking position is automatically judged according to the different shapes and the arrayed positions of the tires on the production line and an optical beam scanner is guided to be positioned accurately without a special machinery and a manual marking locating device, then a seamless transition with the production line of the tires is achieved and the work efficiency of equipment is further improved.

The present invention relates to a method for producing an aramid core wire, containing a step of covering or impregnating an original yarn of an aramid core with a first treating agent containing a condensate of resorcin and formaldehyde, a latex and a water-soluble epoxy compound; an aramid core wire produced by the method; a transmission belt containing the aramid core wire; a method for producing the transmission belt; and a treating agent.

The invention discloses a concrete terrace pouring vehicle for building construction. The concrete terrace pouring vehicle comprises a vehicle head and a base plate, the base plate is fixedly connected with the vehicle head, and wheels are arranged on the vehicle head and the base plate; stirring blades are installed on a driving shaft; a limiting shaft support is horizontally arranged on the outer wall of the right side of a material storage box, a first driven shaft is vertically and rotationally arranged on the limiting shaft support, a driven belt wheel is installed on the first driven shaft, a driving belt wheel is installed on the driving shaft, and a transmission belt is sleeved with the position between the driving belt wheel and the driven belt wheel; an intermittent gear is in meshed connection with a first straight gear; and a driven gear is fixedly installed on a second driven shaft. A swing rod of the concrete terrace pouring vehicle swings left and right to drive a discharging disc to swing, the concrete pouring area is increased, meanwhile, distribution of concrete is more even when a terrace is poured, a rotary disc rotates to conduct rotary slicking treatment on the concrete, the rotary disc swings along with the swing rod, the scraping scope of a scraper blade is enlarged, the terrace flatness is improved, and meanwhile, the leveling efficiency is improved.

The invention discloses a device for drying traditional Chinese medicine, which comprises a base, and the left and right sides of the base are provided with rollers for convenient device handling, a rotating seat is arranged above the base, a rotating column is fixed in the middle of the lower end of the rotating seat, and a rotating column is arranged at the upper end of the base. The rotating bearing that matches the column, the outer side of the rotating column is provided with a driven pulley, the base on the right side of the driven pulley is fixed with a rotating motor, the output end of the rotating motor is provided with a driving pulley, and the driving pulley is connected to the driving pulley through the transmission belt. The driven pulley is connected by transmission. There are five movable outriggers arranged in an array on the outer side of the lower end of the rotating seat. The lower end of the movable outriggers is provided with a pulley. The structure of the invention is simple and reasonable, and the air permeability is good, and it is easy to carry, thereby helping to improve drying The effect is to facilitate the collection of materials in the drying tank, which is conducive to the later collection of materials. In addition, it has the function of emergency rain protection and has strong practicability.

The invention relates to a mechanically-coupled mini-type hybrid wind power generating system capable of storing energy in form of compressed air. The mechanically-coupled mini-type hybrid wind power generating system capable of storing energy in the form of compressed air comprises a wind turbine, the wind turbine is in shaft connection with a planetary framework of a planetary gear through an electromagnetic brake I; a solar wheel shaft of the planetary gear is connected with a swirling compounding machine through a transmission mechanism; an electromagnetic brake II or a speed reducing motor are arranged on the solar wheel shaft; the swirling compounding machine is connected with an air storing device through an air passage; a flow control valve and a check valve are arranged on the air passage; the gear ring of the planetary gear is connected with a wind power generator through a synchronous transmission belt; and the wind power generator is connected with a current transformer. The mechanically-coupled mini-type hybrid wind power generating system capable of storing energy in the form of compressed air can regulate the rotation speed of the swirling compounding machine by a pneumatic control technology and change the rotation speed of the wind turbine, so that a maximum wind energy tracking function is realized; and the swirling compounding machine is used as an energy transforming device to store surplus energy which is not used for the moment in the form of compressed air, so that a storage battery is replaced and environment pollution is greatly reduced.

On a paper path in a photo printer, a skew corrector is provided to correct skew of recording sheets simultaneously in two lines. The skew corrector consists of a first conveyer roller pair, a second conveyer roller pair and a strike guide. The recording sheets are conveyed by the first conveyer roller pair after their leading edges strike on the strike guide, to bend the recording sheets flexibly between the first conveyer roller pair and the strike guide, thereby to correct skew of each recording sheet. A necessary transport amount for correcting the skew of the recording sheet is calculated on each line based on detection signals from photo sensors, which are disposed between the first and second conveyer roller pairs, and a width of the recording sheet. The recording sheets of the respective lines are conveyed by the largest necessary transport amount among the calculated ones.

The invention discloses an automatic processing production line for screw interfaces of gas cylinders, which comprises an PLC apparatus control system and a transmission belt; a countersink lathe machine tool with countersunk lathe composite cutters, a drilling and reaming machine tool with drilling and reaming composite cutters, a refined reaming and chamfering machine tool with refined reaming and chamfering composite cutters and a tapping machine tool with tapping lead screw are sequentially arranged at one side of the transmission belt; the processing parts of the countersink lathe machine tool, the drilling and reaming machine tool, the refined reaming and chamfering machine tool and the tapping machine tool are correspondingly provided with clamp fixed blocks and clamp motion blocks; an ejecting block used for ejecting a dynamic cylinder and the truncated cone hole of the clamp fixed blocks are in the matching arrangement. The processing production line of the invention can improve the efficiency and reduce the equipment cost as well as the manpower cost; the processed work pieces are high in precision and meet the national standard requirements completely, thus improving the production efficiency and reducing the manpower cost; the equipment is provided with the automatic processing function.

The invention relates to a recyclable composite anchor rod and a construction method thereof in the field of anchoring in geotechnical engineering. The recyclable composite anchor rod comprises a hot-melt force transmission belt (2), a steel bar or a steel strand (3), a hollow channel (4) and a cement anchored body (1), wherein the cement anchored body (1) is a part connected with a rock-soil body (5) to provide uplift-resistance bearing capacity; the transfer of the uplift-resistance bearing capacity of the anchor rod is realized through the holding function of the hot-melt force transmission belt (2); and the recycle of the anchor rod is realized through melting. The invention realizes the convenient recycle of the main stressed component of the anchor rod while enhancing the uplift-resistance bearing capacity of the anchor rod, has the advantages of high recycle rate, convenient recycle construction, low manufacturing cost and prominent environmental benefit, successfully solves the problem that the construction anchor rod exceeds the land use red line under the ground in the city, can be widely applied to the field of engineering such as bracing of foundation pit and the like, and can be popularized and used in the soft soil zones.

A color electrophotographic image forming apparatus for forming an image on a recording material, includes (i) a mounting portion for detachably mounting a plurality of process cartridges each including an electrophotographic photosensitive drum and a developing roller for developing an latent image formed on the drum, wherein developing roller is movable between a contact state where the developing roller is contacted to the drum and a spaced state where the developing roller is spaced from the drum, wherein the cartridges develop the latent images with colors different from each other; (ii) switching means for switching the developing rollers between the contact state and the spacing state when the cartridges are set in the mounting portions; (iii) a feeding belt for feeding the recording material along all of the drums of the cartridges set in the mounting portion; (iv) control means for switching, in accordance with a kind of the recording material in a monochromatic mode operation, between a first mode in which the feeding belt is placed at a first position for contacting to all of the drums of the cartridges and a second mode in which the feeding belt is placed at a second position position wherein the feeding belt contacts only the drum of the cartridge which develops the latent image for image formation, wherein in the monochromatic modes the image is formed on the recording material through development only one of the cartridges, and wherein in a cartridge in which no development is performed in the monochromatic mode, the switching means is in the spaced state.