141results about How to "Play limit" patented technology

Valve collet component assembly equipment comprises a protection component, an operation box component, a pressing power component, a pressing limiting mechanism, an air inlet and outlet pressing switching servo mechanism, a pressing chuck, an air inlet and outlet overturning mechanism, a material feeding and conveying mechanism and a pressing supporting mechanism. The pressing chuck comprises a collet pressing cylinder and a collet pressing sleeve. When a valve collet is pressed, the collet pressing cylinder acts on the collet pressing sleeve, so that the collet pressing sleeve is used for pressing two collets which move upwards and are going to be completely disengaged from a spring seat due to the action of a valve ejector rod, meanwhile, the collet pressing cylinder enables a cylinder rod to make up-down reciprocating movement, the collet pressing sleeve is made to pat the collets, it is guaranteed that the collets can completely enter the inside of the spring seat, and the accuracy of valve collet pressing is guaranteed.

The invention discloses a bridge three-way limit device and a bridge three-way limit vibration reduction structure which have the limit and buffering effects on vertical, longitudinal and horizontal displacement of a beam body and can effectively reduce the damage of earthquake to a bridge structure. The bridge three-way limit device comprises a foundation, and an inverse-L-shaped rigid clamp falcon which consists of a steel vertical limb and a horizontal limb; the lower end of the vertical limb is integrally and fixedly connected with the foundation; and the upper end of the vertical limb and the front end of the horizontal limb are provided with a vertical limb ball and a horizontal limb ball respectively. The foundation is fixedly arranged on the top of a pier body; a limit groove which extends in the vertical direction is formed in the end of the beam body; and a steel sleeve which extends backwards from the bottom wall of the limit groove in the longitudinal direction is pre-embedded in the bottom of the beam body. The horizontal limb is extended into the steel sleeve, and the vertical limb ball is positioned in the limit groove. A longitudinal gap which can meet the requirement of normal longitudinal displacement when the beam body is used is reserved between the horizontal limb ball and the bottom of the steel sleeve; and a horizontal gap which can meet the requirement of normal horizontal displacement when the beam body is used is reserved between the vertical limb ball and the wall of the limit groove.

The invention discloses a vibration isolator with an active vibration absorbing ability. The vibration isolator with the active vibration absorbing ability is provided with a barrel-shaped upper shell, a rubber main spring is blocked in a top end opening of the upper shell, a main spring framework runs through the rubber main spring, a connecting stud is arranged at the top of the main spring framework, and the upper end of the connecting stud is used for connecting with a base body; the vibration isolator with the active vibration absorbing ability is provided with a lower shell connected with the upper shell, a shearing sleeve is fixed on the bottom plate of the lower shell, a column-shaped iron core is supported in the shearing sleeve through a magnetorheological elastomer arranged on the outer circumference of the column-shaped iron core, a magnet exciting coil winds the column-shaped iron core, and the magnetorheological elastomer works in a shearing mode; a magnetic conductive mass block is firmly connected with the iron core; a connecting bolt is arranged at the bottom of the lower shell for connecting with a main vibration object. The vibration isolator with the active vibration absorbing ability is capable of effectively lowering the vibration energy transmitted to the base body from a rotating mechanism, reducing the vibration of related parts of the rotating mechanism and improving the service life thereof.

The invention discloses a computer for software development that dissipates heat quickly, and belongs to a software development field. The computer for software development that dissipates heat quickly, includes the casing, two partitions are arranged inside the casing, The top and the bottom of the two partitions are fixedly connected with the inner top wall and the inner wall of the casing respectively, the two partitions are provided with penetration openings, the opposite sides of the two partitions are fixedly connected with support plates, the support plates are positioned below the penetration openings, and the bottom of the support plates is provided with telescopic pushing devices. Through the telescopic device, the combination of the pushing lever and the movable lever, The T-plug is effectively separated from the heat dissipation hole, the air flow inside the casing is increased, the heat dissipation efficiency is improved, and the heat dissipation fan is driven to rotate byelectrifying the motor through the cooperation of the driving gear, the bearing, the rotating rod and the conveyor belt, thereby further accelerating the heat dissipation of the computer and effectively prolonging the service life of the computer.

The invention discloses a marine photovoltaic support lifting mechanism and platform including a supporting platform; a mounting groove is formed in the supporting platform; a first motor is fixedly connected into the mounting groove; the output end of the first motor is fixedly connected with a first bevel gear; a rotating shaft is inserted into the middle of the upper surface of the supporting platform; a second bevel gear is fixed to the bottom end of the rotating shaft and engaged with the first bevel gear, a rotating disc is fixedly connected to the top end of the rotating shaft, a supporting base is fixedly connected to the upper surface of the supporting platform, rolling wheels are rotationally connected to the supporting base, and the top ends of the rolling wheels abut against the lower surface of the rotating disc; according to the invention, the photovoltaic support is changed from a fixed structure, the inclination angle can be adjusted for placement, meanwhile, the photovoltaic support has the rotating and lifting functions in the using process, the orientation of the support can be well adjusted according to the actual situation, the lighting effect of the solar cellpanel is good, and the light energy absorption effect and the working efficiency are improved.

The invention relates to a joint structure with decoupling function, which comprises a plane flange, a sealing ring, a bolt, a pressure spring, a nut and a spherical concave flange. The flat flange and spherical concave flange are respectively connected to the pipeline or device to be connected by welding, and the pipeline or device connected to the flat flange protrudes out of the flat flange for a small section, and the sealing ring is sleeved on this small section. The inner surface of the sealing ring cooperates with this small section to position and guide the sealing ring; the sealing ring is arranged between the flat flange and the spherical concave flange, and the side facing the spherical concave flange is a spherical surface, and the spherical surface Cooperate with the spherical concave surface of the spherical concave flange to form a sealing surface; the flat flange and the spherical concave flange are connected by bolts. By designing the decoupling structure in the joint, the present invention can effectively isolate the bending and torsional vibration of the motor vehicle exhaust system. The structure has low material requirements and the cost is much lower than that of the decoupling structure using bellows .

The invention discloses a physical training instrument and a monitoring system thereof. The physical training instrument comprises an inclined reclining chair and a pushing rod, a support and a load frame are symmetrically arranged at positions, close to higher sides, of each of two sides of the reclining chair respectively, two ends of the pushing rod extend towards two sides respectively to penetrate the supports and the load frames in a matched manner, the pushing rod is a rectangular rod, columnar hand-holding portions are symmetrically arranged on the pushing rod, a rectangular hole is formed in each support, the pushing rod penetrates the rectangular holes, the horizontal width of each rectangular hole is identical with that of the pushing rod, a moving block sliding up and down is arranged in each load frame, the pushing rod penetrates the load frames and is positioned on the lower sides of the moving blocks, two ends of the lower side of each moving block are connected with one end of a load spring, and the other end of each load spring is fixed at the bottom of the corresponding load frame. By using the physical training instrument, lying and pushing training can be completed independently; the monitoring system which is professional is provided, so that training condition of each sportsman can be observed and evaluated visually and specific training schemes can be formulated.

The invention relates to automatic conveying and clearing equipment for building materials. The automatic conveying and clearing equipment comprises a base plate. A clamping movable device is mountedat the front end of the base plate. A contaminant removal cleaning device is mounted at the rear end of the base plate. The clamping movable device comprises two clamping electric sliding blocks mounted on the base plate. The two clamping electric sliding blocks are symmetrically located at the left side and the right side of the base plate. Each clamping electric sliding block is provided with aclamping adjustment plate. Each clamping adjustment plate is provided with a clamping lifting air cylinder. The top end of each clamping lifting air cylinder is mounted on a clamping movable plate through a flange. By means of the automatic conveying and clearing equipment, the problems that when sheltering waterproof cloth at sandpiles at a construction site is cleared manually, the sheltering waterproof cloth needs to be conveyed to designated working positions to be cleaned manually, impurities, such as sludge, on the sheltering waterproof cloth need to be cleared away manually, the sheltering waterproof cloth needs to be cleaned manually, and impurities, such as the sludge, congealed into blocks need to be scraped off manually through existing tools can be solved.

The invention belongs to the technical field of logistics transferring, and discloses a logistics stacking machine for logistics transferring of parcels. The logistics stacking machine comprises a stacking platform and a conveying belt. The stacking platform is located in front of the conveying belt and is close to the right side of the conveying belt. First supporting rods are fixedly connected to the rear portion of the top of a conveying belt support. According to the logistics stacking machine for logistics transferring of the parcels, the horizontal distance between two first clamping plates and two second clamping plates can be adjusted through left-right telescopic components, and the distance between the first clamping plates and the second clamping plates can be adjusted through adjustment assemblies, so that parcels with different sizes can be clamped; automatic stacking is realized through the cooperation of the conveying belt, a driving assembly, mounting blocks, first hydraulic push rods, fixing strips, the left-right telescopic components, the first clamping plates, the second clamping plates and the adjustment assemblies, so that labor is saved, the working efficiency is improved, and the problems that an existing logistics stacking machine cannot clamp parcels exceeding the height and length of the clamping plates, and consequentially, the stacking efficiency isaffected, and the practicability of the logistics stacking machine is reduced are solved.

The invention discloses a computer display convenient to adjust and disassemble. The computer display comprises a base. The middle of the top of the base is fixedly connected with a positioning plate, the top of the positioning plate is fixedly connected with an adjustment seat, the top of the adjustment seat is fixedly connected with an adjustment column, an elastic ring is arranged at the connection of the adjustment seat and the adjustment column in a sleeving mode, one end of the top of the adjusting column is fixedly connected with the middle of the bottom of an outer shell, the tops and bottoms of the two sides of the outer surface of a display screen are fixedly connected with threaded seats, and the inner sides of the four threaded seats are connected with second threaded columns, and one end of each second threaded column penetrates through one side of an inner cavity of the outer shell and extends to the outer surface of the outer shell. According to the computer display conveniently being adjusted and disassembled, through matching and using of the threaded seats, the second thread columns and second nuts, when a user needs to disassemble the display screen, the user can remove the second threaded columns from the threaded seats by rotating the second nuts, and then the user can remove the display screen from a clamping seat.

The invention provides portable 3D projection equipment, and relates to the technical field of 3D projection. The portable 3D projection equipment is provided with a box body. A driving motor is fixedly connected with the inner bottom wall of the box body. A driving gear is fixedly connected with the output shaft of the driving motor. A threaded column is rotatably connected with the middle of theinner bottom wall of the box body. A driven gear is fixedly connected with the bottom of the threaded column. The driven gear is in engaged connection with a driving gear. The driving motor drives the driving gear to rotate. The driving gear drives the threaded column to rotate through the driven gear to lift up a lifting seat. In the process, four limiting rods on a bottom plate move upwards along with ascending of the lifting seat, meanwhile, a sliding block is driven to slide towards the outer side in a sliding groove. The lifting seat is limited and supported. A fixed frame, a box cover,a rotating seat and components on the rotating seat are moved out of the box body along with ascending of the lifting seat, and therefore the overall size of the equipment is reduced conveniently.

The invention relates to the field of automobile parts, and discloses a clamping and cleaning device for automobile part machining. The clamping and cleaning device comprises a working table, guide columns, a sunken part, a notch, first cylinders and second cylinders, wherein first sliding plates divide the first cylinders into first communicating parts and first moving parts; a plurality of air holes are formed in one end, which is close to the sunken part, of each first moving part; second sliding plates are connected into second cylinders in a sliding manner; second push rods are fixed on the second sliding plates; the second push rods extend out of the second cylinders, and are connected to the first communicating parts in a sliding manner; the second sliding plates divide the second cylinders into second communicating parts and second moving parts; a motor and a main air pipe are mounted in the notch; the main air pipe communicates with two branch pipes; and the two branch pipes are respectively connected with the different second communicating parts. The clamping and cleaning device can realize dual fixing on a workpiece and clean the workpiece twice, so that the workpiece machining precision can be improved, and fragments produced during workpiece machining also can be cleared away; and the workpiece machining quality is improved.

The invention relates to the field of electronic locks, in particular to a convenient electronic lock. The convenient electronic lock comprises a base plate, a lock shell arranged on one side of the base plate in a surrounding manner, a lock cylinder installed on the lock shell, a rotary knob installed on the side, away from the lock cylinder, of the lock shell and connected with the lock cylinder, a transmission mechanism installed in space defined by the lock shell and the base plate, a control mechanism connected to the transmission mechanism to control the transmission mechanism to move and an installation mechanism used for installing the electronic lock to an to-be-installed part; and one end of the lock cylinder extends into the space defined by the lock shell and the base plate. The convenient electronic lock is low in power dissipation, high in safety and convenient and rapid to use.

The invention belongs to the technical field of automobile shock absorption and energy saving, and particularly relates to an automobile shock absorber power generation mechanism based on mechanical transmission. The automobile shock absorber power generation mechanism based on the mechanical transmission comprises a shock absorbing spring, an automobile body support, a spring base, a swinging rod, a fan-shaped gear ring, a power generator, a strut guide rail, a male sliding piece, a female sliding piece, a rocking rod, a first strut, a first sliding block, a second strut and a second sliding block, wherein the shock absorbing spring is mounted between a chassis support and the spring base; the female sliding piece and the male sliding piece are mounted in the shock absorbing spring; the male sliding piece slides up and down in the female sliding piece to exert limiting and stabilizing effects on a shock absorber; the first strut and the second strut are arranged at the lower end of the male sliding piece; the first strut is mounted on the strut guide rail by the first sliding block; and the second strut is mounted on the strut guide rail by the second sliding block. When the male sliding piece moves up and down in the female sliding piece, the first strut and the second strut slide inwards or outwards along the strut guide rail through the first sliding block and the second sliding block respectively, the first sliding block and the second sliding block drive the rocking rod to move to drive the swinging rod to swing, thus the fan-shaped gear ring makes reciprocating swinging around a point where the swinging rod swings to drive the power generator to generate power. The automobile shock absorber power generation mechanism based on the mechanical transmission has a certain energy saving effect.

The invention provides a countersunk head angle gauge for a counterbore and a measurement method of the countersunk head angle gauge. The countersunk head angle gauge comprises a dial indicator, a sleeve and a gauge measuring head, wherein the sleeve comprises a hollow cavity; the cavity refers to a sleeve cavity; the gauge measuring head is arranged at the bottom of the sleeve cavity and is in sliding fit with the sleeve cavity; the bottom of the gauge measuring head does a telescopic motion relative to the bottom surface of the sleeve; and when the bottom surface of the gauge measuring head and the bottom surface of the sleeve are positioned on the same horizontal plane, a measuring head of the dial indicator is pressed against the top of the gauge measuring head, and the measuring head is positioned in a compressed state. According to the matched arrangement of the dial indicator, the sleeve and the gauge measuring head, the direct measurement of the countersunk head angle can be converted into length measurement, the efficiency of measuring the countersunk head angle is improved by using the countersunk head angle gauge, and the measurement accuracy is improved.

The invention belongs to the technical field of bearing surface treatment equipment, and particularly relates to surface treatment equipment with a scrap collecting function for bearing production. The surface treatment equipment comprises a worktable, a right vertical plate is mounted at the right end of the worktable, a dovetail groove for slidably mounting a left vertical plate is formed in the worktable on the left side of the right vertical plate, and a ball screw is in transmission connection with the bottom of the left vertical plate; a driving gear is in meshed connection with the inner side of an inner gear ring rotatably mounted on the right vertical plate, the left side of the inner gear ring is fixedly connected with a three-jaw clamping jaw, an output shaft of a feeding motor installed on the left vertical plate is fixedly connected with a rotating frame, a feeding sleeve rod and a spring chuck are installed at the two ends of the rotating frame, a grinding wheel is clamped at the head end of the spring chuck, and the tail end of the spring chuck is connected with an output shaft of a grinding motor; and a scrap pumping pipe installed on the rotating frame is connected with a vacuum pump through a hose and a dust filtering box, the three-jaw clamping jaw can conduct self-centering clamping on bearings of different sizes and enables the bearings which rotate slowly to be evenly ground by the grinding wheel which is fed in a rotating mode, the scrap pumping pipe can suck and remove abrasive particles generated by grinding, and the galling phenomenon is avoided.

The invention relates to a grouted rubble lifting carrying machine for geotechnical engineering. The grouted rubble lifting carrying machine comprises a self-stabilization travelling platform. The self-stabilization travelling platform has good shock absorption performance and stability performance, the phenomenon of up-and-down shakes or left-and-right swing in the grouted rubble carrying process is eliminated, and therefore the grouted rubble lifting carrying machine is suitable for working on uneven or muddy construction sites. A lifting push and release device is installed on the left side of the upper end of the self-stabilization travelling platform, can fulfill the function of automatic lifting carrying of grouted rubble, is free of manual carrying in the vertical direction and is high in carrying speed and working efficiency. The self-stabilization travelling platform comprises a mounting platform, wherein two transmission branch chains are symmetrically installed on the left side and the right side of the lower end of the mounting platform, and two travelling branch chains are symmetrically welded on the front side and the rear side of each transmission branch chain. According to the grouted rubble lifting carrying machine, the function of automatic lifting carrying of retaining walls can be fulfilled, and a new way is provided for automatic and rapid lifting carrying of the retaining walls.

The invention belongs to the technical field of traditional Chinese medicinal materials, and discloses a traditional Chinese medicinal material cleaning device with an anti-damage function. The traditional Chinese medicinal material cleaning device comprises a cleaning box, a box door is hinged above the front surface of the cleaning box through hinges, and a water inlet pipe communicated with theinterior of the cleaning box is inserted into the left side of the cleaning box in a penetrating manner. When the scheme is used, traditional Chinese medicinal materials needing to be cleaned are firstly placed in a cleaning net barrel, then the cleaning net barrel is connected with a connecting net cover through a connecting piece, then the cleaning net barrel is driven to descend through a telescopic mechanism, and meanwhile cleaning water is introduced into the cleaning box through the water inlet pipe, so that the cleaning net barrel is submerged in the cleaning water, and the medicinal materials are cleaned; and meanwhile, the telescopic mechanism and the cleaning net barrel are driven by a transmission assembly, so that the water flow speed is increased, the cleaning efficiency is improved, stirring of a stirring shaft is not needed, the phenomenon that the traditional Chinese medicinal materials are damaged due to stirring of the stirring shaft is prevented, rigid contact between the medicinal materials and the cleaning net barrel can be reduced through a net pad, and the traditional Chinese medicinal materials are effectively prevented from being damaged.

The invention relates to tray-free packaging equipment for autoclaved aerated concrete blocks. The tray-free packaging equipment comprises a stacking mechanism and a transferring mechanism, the lowerend of the stacking mechanism is installed on the existing working ground, and the transferring mechanism is arranged at the upper end of the stacking mechanism. The tray-free packing equipment for the autoclaved aerated concrete blocks adopts the design concept that a single layer is matched with a stacking structure step by step for tray-free packing of the autoclaved aerated concrete blocks, the stacking mechanism and the transferring mechanism are matched to realize single-layer arrangement and overall transportation of the bricks and stacking operation taking the single layer as a cardinal number, so that the overall working efficiency is improved; and the stacking mechanism can achieve the limiting and shape fixing effects on the single-layer bricks, meanwhile an external fixing structure is arranged, so that the overall stability degree in the brick stacking process can be guaranteed.

The invention discloses a textile winding device with automatic leveling and cleaning functions, which comprises a support platform and a top plate, both sides of the top of the support platform are fixedly connected with support frames, and the tops of the two support frames are respectively connected to the two sides of the bottom of the top plate Fixed connection, the top of the top plate is fixedly connected with five return springs, the tops of the five return springs are fixedly connected with buffer seats, and the tops of the five buffer seats are fixedly connected with the bottom of the buffer table, the top of the buffer table, etc. There are five buffer columns fixedly connected at a distance, and brushes are fixedly connected to the tops of the five buffer columns. The textile winding device with automatic leveling and cleaning functions, by setting the cloth guide roller and the cloth take-up roller, the user can put the textile to be wound on the cloth guide roller, when the cloth guide roller and the cloth take-up roller rotate The textile will be rewinded. During the rewinding process, the outer surface of the textile can be automatically cleaned through the combined use of the buffer table, buffer column and brush.

The invention relates to the technical field of anesthesia waste gas and further discloses an operating room anesthesia waste gas purification device capable of effectively improving a gas collectioneffect. The operating room anesthesia waste gas purification device comprises a first horizontal pipe and a second horizontal pipe arranged on the right side of the first horizontal pipe. According tothe operating room anesthesia waste gas purification device capable of effectively improving the gas collection effect, rotating force is exerted on a threaded rod, and a rotating disk can be drivento rotate; a rotating gear and a driven gear are mutually meshed to adjust the horizontal position of an adjusting plate, the position of a throttling ball can be further adjusted, and a flow speed ofanesthesia waste gas in the first horizontal pipe can be effectively controlled through position change of the throttling ball in a limiting hopper, so that a gas collection amount in the first horizontal pipe can be controlled; an adjusting system formed by a limiting cylinder, a fixed block, an extrusion spring and a horizontal rod can adjust the position of the throttling ball and can effectively achieve limiting and buffer effects at the same time; furthermore, the adjusting system can more effectively improve the gas collection effect according to actual operation situation.

The invention relates to the technical field of housing building, and discloses an earthquake-proof housing building structure. The earthquake-proof housing building structure comprises a mounting supporting plate, wall plates embedded in the top of the mounting supporting plate and fixed to the mounting supporting plate, a top beam frame fixedly connected to the tops of the wall plates, a controlswitch fixedly connected to the inner side of the wall plate and reinforcing ribs integrally formed on the outer side of the wall plates, wherein driving assemblies are further arranged in the mounting supporting plate, and the bottoms of the wall plates are connected with adjusting assemblies. According to the earthquake-proof housing building structure, the driving assemblies can drive abuttingplates to move rightwards, elastic balls and reset springs can be pressed and deformed after abutting plates make contact with the wall plates, and therefore the limiting and buffering effects on thewall plates are achieved, and the earthquake resistance of a house is improved; first clamping blocks and second clamping blocks can be driven to move relatively through the adjusting assemblies, sothat the purpose of rapidly clamping the two sides of the bottoms of the wall plates is achieved, the stability of the wall plates is enhanced, and corresponding potential safety hazards are reduced.

The invention relates to the field of dried tofu processing equipment, and particularly relates to a dried tofu squeezing machine which comprises a rack, a cylinder and a power mechanism, wherein the rack comprises a rack column and a rack top plate, the cylinder is positioned on the rack top plate, the piston rod of the cylinder penetrates through the rack top plate and is vertically downward, a squeezing head is arranged at the lower end of the piston rod, a plurality of layers of overlapped dried tofu containing boxes are arranged below the squeezing head, an extension block is arranged at the side wall of each of two ends of the dried tofu containing box, a limiting hole is formed in the extension block, and a connecting rod penetrating through the limiting hole is arranged at the bottom of the rack. According to the invention, due to the arrangement of the connecting rod, the dried tofu containing boxes are limited, so that pressure maintaining can be achieved without using the cylinder, resources can be saved, and the cost is reduced.

The invention provides a width-adjustable conveying device. The width-adjustable conveying device is simple in structure, applicable to conveying of multiple materials and good in university. The width-adjustable conveying device comprises a rack, and two conveying lines are arranged on the rack side by side in the length direction of the rack; slide rails are arranged on the rack in the width direction; sliding blocks are arranged at the lower ends of the conveying lines; the sliding blocks are in slide fit with the slide rails; a screw rod is arranged on the rack, parallel to the slide rails; two screw nuts are arranged on the screw rod; the two screw nuts are mounted in the reverse directions; the screw nuts are fixedly connected with the conveying lines; and one end of the screw rod penetrates through the rack to be connected with a driving device.

The invention relates to a special mechanized processing device for the slice production process of Chinese medicinal material Achyranthes bidentata. article processing agency. The present invention can solve the problem that existing small workshops need to manually slice the Achyranthes bidentata fruit with the help of tools. When cutting into strips is required, there is a potential safety hazard in processing the Achyranthes bidentata fruit manually with the help of tools. It is easy to hurt the staff, need to collect the sliced ​​fruit, cumbersome process, repetitive work, high labor intensity and low work efficiency, etc., can realize the function of mechanized processing of Achyranthes bidentata fruit.

The invention discloses a portable safe storage rack mold, and relates to the technical field of storage rack production and machining. The portable safe storage rack mold comprises a base, the two ends of the base are respectively both provided with first installation grooves, stretchable plates are arranged in the first installation grooves, the top ends of the stretchable plates penetrate through the first installation grooves and are fixedly connected with an installation frame, a fixing groove is formed in one end of the installation frame, and an upper mold is arranged in the fixing groove; and extrusion blocks are both arranged on the two sides of the fixing groove, one sides of the extrusion blocks are attached and connected with the upper mold, the other sides of the extrusion blocks are fixedly connected with threaded rods, and one ends of the threaded rods penetrate through the installation frame and are fixedly connected with adjusting discs. According to the portable safestorage rack mold, the installation frame, the extrusion block, the threaded rods and the adjusting discs are arranged in a matched mode, on one hand, the effect of firmly fixing the upper mold is achieved, the stability of the device is guaranteed, on the other hand, disassembly and replacement of the upper mold are facilitated, and the upper molds with different types can be conveniently installed.

The invention discloses an adjustable conveyor roller table, which relates to the technical field of conveyor roller tables. The adjustable conveying roller table includes a roller frame, first supporting columns are arranged on both sides of the lower end of the roller frame, and a second supporting column is arranged in the middle of the lower end of the roller frame, and the first supporting column and the second supporting column are arranged The upper ends of the inner cavities of the two support columns are all plugged with ejector rods, and the upper ends of the ejector rods are fixedly connected with the bottom of the roller frame. The bottoms are all fixedly installed with support plates. The adjustable conveying roller table solves the problem that when the conveying roller table is in use, it needs to be transported with different devices. The cooperating arrangement of the electro-hydraulic push rod, the slide rail and the slide port enables the device to push the horizontal plate upward through the electro-hydraulic push rod to make the first support column and the inner ejector rod of the second support column go upward synchronously for height adjustment.

The invention provides a feeding guide device for a cloth repairing machine, which includes left and right support plates, and a limit mechanism and a flattening mechanism are sequentially arranged between the left and right support plates along the filter cloth conveying direction. The mechanism includes a first limit roller and a second limit roller, and the first limit member and the second limit member are symmetrically arranged on the left and right sides above the first limit roller and the second limit roller. The first limiting member includes a first circular cavity and a second circular cavity, and the flattening mechanism includes a third guide rod, a first flattening roller, and a second flattening roller arranged in sequence, and the third guide A first pressing piece and a second pressing piece are arranged symmetrically on the rod. The beneficial effect of the present invention is that the set limiting mechanism plays the role of limiting and guiding the filter cloth, and at the same time, the distance between the first limiting member and the second limiting member can be adjusted to adapt to the processing of filter cloths of different widths ; The flattening mechanism is set so that the filter cloth entering the front of the cloth repairing machine enters between the three flattening rollers for flattening treatment.

The invention belongs to the technical field of basketball stands. The invention discloses a sports basketball stand for children training. The sports basketball stand comprises a base, a supporting rod is fixedly connected to the top of the base, a containing groove is formed in the top of the supporting rod, a vertical rod is arranged in the containing groove, the top end of the vertical rod extends to the position above the supporting rod, inserting grooves arranged at equal intervals are formed in the left side and the right side of the vertical rod, and a limiting assembly is arranged onthe supporting rod. According to the sports basketball stand for children training, the supporting rod, the accommodating groove, the vertical rod inserting grooves and the limiting assembly are matched with one another, so the heights of the backboard and the basket can be adjusted according to the heights of different children, so as to facilitate the children of different ages and different heights to shoot training; the whole basketball stand is convenient to carry and suitable for basketball training in various places through universal wheels, an auxiliary supporting assembly is used forauxiliary supporting and positioning of the basketball stand, and the phenomenon that the basketball stand moves in the training process is avoided.