104results about How to "Limit motion trajectory" patented technology

The invention belongs to the technical field of medical apparatuses, and in particular relates to a rehabilitation training device applied after a breast cancer operation. The rehabilitation trainingdevice comprises a square shell, a lifting component, a rocker component, a lifting platform and a wall climbing ruler, wherein a shelf plate is arranged in the middle of the shell; the wall climbingruler is arranged at the right side of the shell; the lifting platform is arranged at the bottom of the front side of the shell; the rocker component is arranged at the left side of the shell; the lifting component comprises an inner water tank, an outer water tank, a pulley A, a pulley B, a pulley C, a pull rope and a lifting rod; the inner water tank is arranged at the top of the shelf plate, and the lifting rod is connected to the front side of the inner water tank; the pulley A is arranged in the center of the top of the shell; the pulley B is arranged at the top of the front side of the shell; the pulley C is arranged at the lower end of the front side of the shell; one end of the pull rope is fixedly connected to the top of the inner water tank and the other end sequentially spans over the top of the pulley A, the top of the pulley B and the rear side of the pulley C; and the outer water tank is arranged at the back side of the shell. The rehabilitation training device provided by the invention, after a patient is discharged from a hospital, can assist the patient in completing affected-side upper limb function training after the operation, and the patient can independently adjust the weight of loads without barrier; therefore, the rehabilitation training device is convenient and effective.

The invention provides a nano-aerogel modified bi-component ceramic tile backing adhesive as well a preparation method and use method thereof. The backing adhesive is prepared by mixing the followingcomponents in parts by weight: a compound A containing 21-24 parts of water, 70-80 parts of an acrylate copolymer emulsion, 0.2-0.4 part of a silane coupling agent, 0.1-0.2 part of a defoaming agent and 1.3-1.7 parts of propylene glycol; a component B containing 62-68 parts of ash concrete, 9-11 parts of quartz sand, 16-18 parts of calcium and magnesium powder, 5.5-8.5 parts of nano-silicon dioxide aerogel and 0.5-1.5 parts of modified synthetic silicate; and the weight ratio of the component A to the component B is 1 to (0.8-1.2). According to the preparation method, the bonding strength andcapacity, for resisting the drying shrinkage stress of a tiling layer, of the ceramic tile backing adhesive are substantially improved, the problems that a vitrified brick is easy to fall and hollow are thoroughly solved; and the preparation method is simple, feasible, environment-friendly and energy-saving and is an effective way for promoting the research and development of building energy-conservation new techniques and the popularization and application of new products.

The invention discloses a method used for increasing wind generating set system damping and a tuning quality damper. The tuning quality damper is arranged on the tail portion of a machine frame of a wind generating set. By regulating inherent frequency of the tuning quality damper, shimmy frequency of the tuning quality damper is identical with or close to that of the machine frame. When the machine frame and the tuning quality damper are in sympathetic vibration, phase angles are different. By utilizing damping provided by the tuning quality damper to absorb shimmy energy of blades, the structure of a wind driven generator can be protected effectively, the problem that the wind generating set halts frequently is eliminated, service life of the wind generating set is prolonged, and no influence on generating efficiency of the wind generating set exists at the same time.

The invention discloses an automatic demolding machine for medical gloves, and relates to the technical field of automatic demolding machines for the gloves. Demolding is realized without participation of a blow-off mechanism. The automatic demolding machine specifically comprises a mold conveying rail used for conveying glove molds and a demolding rail with demolding mechanisms, the glove molds are installed on the mold conveying rail through a conveying fixing seat, the demolding rail is arranged below the mold conveying rail, the demolding mechanisms are evenly distributed on the demoldingrail, and the demolding mechanisms comprise demolding clamps, demolding bases and lifting motors; and a pushing mechanism for pushing the demolding mechanisms to longitudinally move relative to the glove molds is further arranged on one side of the demolding rail. By arranging a lifting stud, the lifting motors, a rotating rod and other structures, a mounting frame can be driven to perform liftingmotion, rolling wheels correspondingly slide on the outer wall of the rotating rod, the motion trails of the rolling wheels are limited through the acting force between the rotating rod and the rolling wheels, and the demolding clamps can achieve demolding without the participation of the blow-off mechanism.

The invention discloses a device for precisely adjusting a steel supporting pre-exerted axial force of a foundation pit and a loading method thereof and relates to the technical field of building foundation pit bracing. The assembled device is fixed between two connecting tie beams, an axial force value needing to be exerted is set through a control panel, the adjusting device is started, a hydraulic jack ejects and compresses fixing steel plates with the value 18%-22% of the pre-exerted axial force value under the effect of a hydraulic pump, and the fixing steel plates produce relative displacement. When a force measuring sensor feeds back that the axial force exerted to the fixing steel plate reaches a set value 18%-22% of the pre-exerted axial force value, the hydraulic pump stops actions, the hydraulic jack increases 8%-12% of pre-exerted axial force value based on an original pressure value to exert pressure on the fixing steel plates after the pressure is stabilized for 5-10 minutes, the fixing steel plates are stabilized for 5-10 minutes after the fixing steel plates do not move, and the operation is repeated in this way. Finally, the axial pressure value between the two fixing steel plates reaches 60%-70% of the pre-exerted axial force value through one-time loading, connecting sleeves are adjusted after stabilization for 0.5-1 hour are ejected and compressed on the endfaces of fixing columns, and thus the loading process is completed.

The invention discloses a two-translational-motion parallel robot and belongs to the technical field of robots. The robot structure comprises a rack, a movable platform, a first support chain and a second support chain. The first support chain and the second support chain are together connected to the rack and the movable platform and respectively comprises a drive arm, a driven arm and a connecting rod, the two support chains are concentrically installed, and the first support chain and the second support chain are connected with drive devices fixed to the rack respectively through the drive arms. The first support chain and the second support chain are connected with the rack and the movable platform respectively. A parallelogram theorem and the parallel support chain structure are adopted for limiting the freedom degree of the movable platform, the problems that a parallel robot is heavy in structure and insufficient in structure stiffness and strength are effectively solved, and the two-translational-motion parallel robot is easy to manufacture, convenient to install and debug and low in cost for mechanism manufacturing.

The invention relates to a computer cabinet manufacturing and machining auxiliary device. The computer cabinet manufacturing and machining auxiliary device comprises a workbench, a belt conveyor, a punching device and a grinding device; the belt conveyor is installed at the upper end of the left side of the workbench, the punching device is installed at the right end of the belt conveyor, the grinding device is installed at the right end of the punching device, and the punching device comprises an inverted-L-shaped plate, an electric air cylinder, a lead block plate, a supporting plate, a punching frame and a positioning frame. According to the computer cabinet manufacturing and machining auxiliary device, the belt conveyor is matched with the punching device, a plate is conveyed to the punching device to be punched, the belt conveyor is matched with the grinding device, the punched plate is extruded while the next plate is conveyed, the punched plate moves to the grinding device to beground, burrs and chippings on the inner wall and the surface of a hole machined in the plate are removed, and a fixing device does not need to be additionally arranged to fix the plate in the wholeprocess.

The invention discloses a novel damping permanent magnet motor. The novel damping permanent magnet motor comprises a permanent magnet motor body and a base, third springs are arranged at the lower end of a subplate, a first limiting block is arranged at the lower end of the middle of a supporting plate, a first frame is arranged on the outer wall of the first limiting block, the first limiting block is matched with the first frame, and supporting legs are arranged at the lower ends of second springs. According to the novel damping permanent magnet motor, through action of a sleeve, matching of the first limiting block and the first frame and the fixing effect of the first frame, the first limiting block is closely attached to the inner wall of the first frame to move, so that the motion track of the supporting plate and the moving track of the permanent magnet motor body are limited, and therefore, the permanent magnet motor body keeps moving vertically all the time; through matching of the third springs and a supporting base, action of elastic force of the third springs and the fixing and protecting effects of the supporting base on the third springs, when a first rotary shaft slightly rotates, vibration of the first rotary shaft can be reduced, so that the working efficiency of the motor is higher.

The invention relates to an elastic boosting generating set. The elastic boosting generating set comprises an airtight shell, a permanent magnet and a reset spring of the permanent magnet, wherein a winding is fixed into the shell, a magnet channel where the permanent magnet can do reciprocating motion is arranged in the winding, the permanent magnet is arranged in the magnet channel, the winding is provided with an output line, the output line is connected with a rectifying and voltage stabilizing circuit, the reset spring is a suspension spring or supporting spring, and the winding can be a winding with an iron core or a winding without an iron core. According to the elastic boosting generating set, the permanent magnet can be driven to move in the magnet channel by external vibration caused by normal walking or running of a person or jolting of a vehicle or boat in the running process or the like, electric energy is generated through relative motion between the permanent magnet and the winding, and therefore automatic electricity generation is achieved.

The invention discloses a three-degree of freedom robot for batch winebottle overturning, and belongs to the technical field of industrial robot application. The robot comprises a fixing rack, an overturning device, two driving branched chains, eight driving devices and conveying belt devices, wherein two driving devices are fixedly mounted on the overturning device symmetrically; the other six driving devices are fixedly mounted on the fixing rack; one sides of the driving branched chains are fixedly connected onto the overturning device, and the other sides of the driving branched chains are concentrically mounted on three driving devices; the two driving branched chains are adopted as a moving platform of the overturning device and provide two translational degrees of freedom for the overturning device; and the rotational degree of freedom of the overturning device around the Z axis is achieved through the two driving devices on the two sides of the overturning device. According to the three-degree of freedom robot, the two rotation degrees of freedom of the overturning device are limited through adopting two completely the same driving branched chain structures, so that the safety, stability and flexibility problems, and the like, of an industrial robot are effectively solved, and the characteristics of easy manufacturing, convenience in mounting and debugging, low manufacturing cost, and the like are realized.

The invention relates to a feeding device of a sawing machine and particularly relates to a novel feeding device of a sawing machine. The invention aims at solving the problems of easiness in feeding deflection, low feeding efficiency and poor operation safety of the existing feeding device of the sawing machine. The novel feeding device of the saw machine comprises a material bearing frame and a feeding rolling wheel, wherein a small wheel is arranged on the material bearing frame; an auxiliary bracket is mounted between the material bearing frame and the feeding rolling wheel; a carrier roller with an axle parallel to an axle of the feeding rolling wheel is mounted on the auxiliary bracket; a road rail is mounted on the lower side of the material bearing frame, one end of the road rail leans against the auxiliary bracket, and a limiting block is fixedly arranged at the other end; the road rail is vertical to the axle of the feeding rolling wheel, and the small wheel is arranged on the road rail; and bearings are mounted in the small wheel and the carrier roller. The novel feeding device of the saw machine can solve the problems of easiness in feeding deflection, low feeding efficiency and poor operation safety of the existing feeding device of the sawing machine, and is suitable for feeding of the sawing machine.

The invention discloses a cloth cutting machine for clothes processing. The cloth cutting machine comprises a processing platform, wherein a stainless steel plate is arranged at the top of the processing platform and a cloth cutting frame is arranged at one side of the top of the stainless steel plate; a material guide device is arranged at one side of the cloth cutting frame; a first electric retractable rod penetrates through the top of the cloth cutting frame; a supporting plate is arranged at the bottom end of the first electric retractable rod; a cutter is arranged at the bottom of the supporting plate; a fixing device is arranged at one side of the cutter; a clamping device is arranged at the other side of the cutter; guide rods are arranged at two sides of the supporting plate; thecloth cutting machine relates to the technical field of the clothes processing. The cloth cutting machine for the clothes processing can be used for rapidly detaching the cutter; heating wires are arranged at two sides of a cutter groove so that unnecessary economic wastes are avoided and the manpower and material resources are saved; the height and the width of a friction wheel can be adjusted sothat the cloth cutting machine is suitable for cloth with any specification; a condition that the cloth has folds in a cloth cutting process is prevented; the cloth cutting effect of the cloth cutting machine is ensured and the utilization standards of users can be met.

The invention provides a rear beam driving mechanism of a jet loom. The rear beam driving mechanism comprises a crank with adjustable length, a connecting rod, a swing block, a swing arm and a rear beam, wherein a motor supplies rotating power to the crank, one end of the connecting rod is hinged with the end of the crank, the swing block is hinged with the other end of the connecting rod, and one end of the swing arm is hinged with the swing block; the swing block is hinged with the rear beam; the positions where the swing block is hinged with the rear beam, the connecting block and the swing arm respectively are not superposed; the other end of the swing arm is hinged on an external fixed object; a spring is connected between the swing arm and the external fixed object; and the spring provides a reset force for the swing arm. The rear beam driving mechanism has two degrees of freedom, namely warps pull the rear beam and the motor drags the crank; and by structural style improvement of the mechanism, the state of warp tension is controlled more finely, the end breakage rate of the warps can be reduced, and the work efficiency is improved.

The invention provides a rapid slicing device for food processing, and relates to the field of slicing devices. The rapid slicing device comprises a slicing unit, a transportation device and a supportframe, the slicing unit and the transportation device are fixedly connected to the upper and lower ends in the support frame respectively. The slicing unit comprises a first motor, a first gear, a second gear, a fixed frame, a first movable rod, a second movable rod and a cutting board, the first motor is fixedly connected to the top end of the support frame, an output shaft of the first motor isfixedly connected with the first gear, the first gear is meshed with the second gear, and one end of the first movable rod is movably connected to the front side of the first gear. The other end of the first movable rod is movably connected to the front side of the second gear, and a kidney-shaped hole is formed in the joint of the first movable rod and the first gear. The motor rotates to drivea cutter to reciprocate up and down to slice food, a transmission belt operates to feed the food, the food is automatically discharged after being sliced, and the slicing efficiency is high.

The invention discloses a steel pipe straightness detection device, which comprises a base plate and a cylinder arranged above the base plate, a linear guide pair, a V-shaped support block, a dial indicator bracket, a digital display dial indicator and a control box. set in front of one end of the base plate, the control box is set behind one end of the base plate, the linear guide pair is set in front of the other end of the base plate, and the V-shaped support block is set at the other end of the base plate the rear of the dial indicator bracket; the dial indicator bracket is arranged above the linear guide pair, the digital display dial indicator is connected to the upper end of the dial indicator bracket, and the center of the lower end of the digital display dial indicator is directly opposite to the The center of the V-shaped support block. When in use, the cylinder drives the digital display dial indicator to slide, and the digital display dial indicator measures the straightness of the steel pipe in real time during the sliding process. The invention has the advantages of convenient use, simple operation, wide application range, high detection precision, low input cost and high production efficiency.

The invention provides an automatic plate feeding device and a plate machining production line and relates to the field of plate machining. The automatic feeding device comprises a transverse feeding assembly, a vertical feeding assembly and at least two material storing frames. The transverse feeding assembly drives the material storing frames to move along a first path. A carrying frame is installed on the vertical feeding assembly. The vertical feeding assembly drives the carrying frame to move along a second path. The first path and the second path are intersected. Each material storing frame is provided with a material bearing chassis and a guide vertical frame, wherein the guide vertical frame extends out of the material bearing chassis upwards, the material bearing chassis and the guide vertical frame define a plate stacking space. A first carrying frame groove for the carrying frame to pass through is arranged on the material bearing chassis, an opening is formed in one side, close to the vertical feeding assembly, of the first carrying frame groove, and the first carrying frame groove penetrates through the material bearing chassis in the vertical direction. By means of the manner of switching the material storing frames, plates can be supplemented to the vertical feeding assembly more rapidly, the complex taking assembly does not need to be designed for the next working procedure, and the taking control process of the next working procedure is benefitted and is easy.

The invention provides a rotor-type variable pump which comprises a pump body, a pump cover, an inner rotor and an outer rotor. The pump body and the pump cover enclose to form a rotor cavity and a pipeline structure. The pipeline structure comprises an inlet area and an outlet area which are located on two sides of the rotor cavity and not communicated with each other; at least one operation area provided with a sealed outline and alternatively communicated with the inlet area and the outlet area is arranged between the inner rotor and the outer rotor; a drive device drives the inner rotor to rotate around a central axis of the inner rotor through a drive shaft; the rotor-type variable pump further comprises an adjusting ring, a fixed-tooth section and an applying device; an adjusting-tooth section is arranged on the adjusting ring which deflects under the limitation of the fixed-tooth section and under the action of external force. Rotation of the adjusting ring is completed through a gear cooperation mode, a gear cooperation part of the adjusting ring only accounts for a small proportion of the periphery of the adjusting ring, while other positions are in simple circular surface contact, so that airtightness at the position of the adjusting ring can be easily guaranteed.

The invention relates to a motor manufacturing rotation torque testing system and testing method. The system comprises a workbench, a fixed device, a testing device and a measuring device, wherein thefixed device is installed on the upper end face of the right side of the workbench; the testing device is mounted on the left upper end surface of the workbench; the measuring device is arranged below the fixed device; the testing device comprises a C-shaped frame, a threaded column, a positioning frame, a supporting frame, a tester and a coupler. The purpose of controlling the horizontal displacement of the motor through the threaded rod is achieved through the fixed device; the movement track of the threaded column is limited through the C-shaped frame, the axis of the tester is aligned with the motor through cooperation of the positioning frame and the threaded column, the motor is connected with the tester through the coupler for testing, the length of the output shaft of the motor ismeasured through the measuring device, and the movement track of the pointer is limited.

The invention discloses a movable board room regulating device for building engineering. The movable board room regulating device comprises a plurality of positioning regulating mechanisms and a bearing board, and the positioning regulating mechanisms comprise regulating bases, locking and positioning units, stabilizing units, height executing mechanisms and supporting tables; the multiple lockingand positioning units are distributed on the regulating bases, the stabilizing units comprise movable limiting barrels, hinged rods, hinged linkage rods and clamping workpieces, the height executingmechanisms are matched with the regulating bases, and the supporting tables connected with the bearing board are mounted on the height executing mechanisms. According to the movable board room regulating device for the building engineering, the requirements of unevenness of the ground mounted by different movable board rooms are met, so that it is ensured that the bearing board is in a horizontalstate, the stability of the movable board rooms mounted on the bearing board is convenient to improve and the loss of the ground unevenness to the movable board rooms is reduced, the locking and positioning units are in touch with the ground, the mounting stability requirements at severe environment are met, and the mounting stability of the movable board rooms is further improved.

The invention provides a push-pull fixing mechanism, comprising a support body, wherein the support body is provided with a push rod groove; One end of the push rod assembly is arranged in the push rod groove, and the other end is a first functional end; At least one pull rod assembly, one end of the at least one pull rod assembly is assembled in the support body, and the other end is a second functional end; The push rod assembly and the at least one pull rod assembly are disposed parallel to each other. The push-pull fixing mechanism of the invention by supporting the body, the push rod assembly and the pull rod assembly connect the two mechanisms, When in use, the second functional end of the pull rod assembly is fixed, and then the push rod assembly is adjusted and fixed by a special tool to form a stable push-pull structure, which can not only provide sufficient support force for the mechanism to be connected, ensure the load-bearing requirements of the mechanism to be connected,but also meet the requirements of protruding a certain length, and facilitate the adjustment and maintenance; When not in use, the push rod assembly and the pull rod assembly are retracted on the support body and occupy small space.

The invention discloses a height-adjustable multimedia teaching equipment, which includes a work box, a controller is fixedly installed on the bottom of the right side of the work box, a motor is fixedly installed on the bottom of the inner wall of the work box, and the output end of the motor Gear 1 is fixedly connected, both sides of the bottom of the inner wall of the working box are movably connected with a rotating column through bearings, and the top of the rotating column is fixedly connected with a gear 2 used in conjunction with the gear 1, and the top of the gear 2 is fixedly connected There is a screw rod, the surface of the screw rod is threadedly connected with a threaded sleeve, one side of the threaded sleeve is movably installed with rollers through a bracket, and both sides of the inner wall of the working box are fixedly connected with slide rails. The present invention achieves the effect of being able to adjust the height of the display screen through the cooperation of the motor, the first gear, the rotating column, the second gear, the screw, the threaded sleeve, the roller and the slide rail, and can adjust the height of the multimedia teaching equipment according to people's height. convenient.

The present invention provides a parking passage gate control system including a passage gate body. The passage gate body includes a gate body 1, a gate body 2 and a support plate. The tops of the gate body 1 and the gate body 2 are both provided with lifting devices. A crossbar is disposed between the lifting devices and is provided with an LED lamp. The top of the support plate is provided witha mounting slot. A pressing plate is disposed in the mounting slot. A side of the mounting slot is provided with a track groove. A stopping block is disposed on a side of the pressing plate. A hydraulic rod fallback switch is disposed on the inner side wall of the top of the track groove. A switch protection slot 1 and a groove are disposed on the inner side wall of the bottom of the mounting groove. The switch protection slot 1 is provided therein with a hydraulic rod raising switch and a spring 1. One end of the spring 1 sleeves the hydraulic rod raising switch. The parking passage gate withan anti-smashing function is reasonable in design, stable in anti-smashing performance and easy to use.

The invention discloses a rotating disc vibration combined massager which comprises a base, a vibration table and a machine frame. The vibration table and the machine frame are arranged on the base. Two hand rocking rotating discs are pivoted to the upper portion of a machine shell. A first rotating shaft and a second rotating shaft are arranged inside the portion, between the two hand rocking rotating discs, of the machine frame. The first rotating shaft and the second rotating shaft are each provided with a synchronous gear. The synchronous gears of the first rotating shaft and the second rotating shaft are meshed, wherein the first rotating shaft is connected with a power shaft through a universal joint, a bevel gear assembled at the bottom end of the power shaft is meshed with a bevel gear assembled on a transition shaft, and the transition shaft is connected with the vibration table through a transmission wheel train. The transmission wheel train adopts a transmission mode that the gears are matched with a toothed belt, the two transition rotating shafts are kept synchronous through meshing of the gears assembled on the rotating shafts, the condition that training stress is not uniform is avoided, it is ensured that the rotating discs rotate synchronously, the movement loci of limbs are limited, and the synchronously-rotating rotating discs will not collide with the limbs in the use process.

The invention relates to the field of corn harvesting machines, in particular to a crop poking tooth system and a use method thereof. A side drive unit or a middle drive unit is connected with a third connection rod through a first pin shaft, the side drive unit or the middle drive unit is connected with a second connection rod through a first connection rod and a second pin shaft, a main rotating shaft penetrates through the third connection rod, is in clearance fit with the third connection rod and is limited through a positioning sleeve, a fourth connection rod is connected with the second connection rod through a pin shaft, the fourth connection rod is fixed to the main rotating shaft through a bolt, a fifth connection rod is connected with the second connection rod and the fourth connection rod simultaneously through pin shafts, the other end of the fifth connection rod is connected with a connection rod adjustment rod through threads, the two ends of the connection rod adjustment rod are provided with opposite threads, the connection rod adjustment rod is connected with a machine frame through another connection rod and a fourth pin shaft, and the first connection rod, the second connection rod, the third connection rod, the fourth connection rod and the fifth connection rod are connected together to form a five-connection-rod balance mechanism to support the side drive unit or the middle drive unit. According to the crop poking tooth system and the use method thereof, the situation that a common header knocks down straws during not-in-row harvesting is avoided and not-in-row harvesting is achieved.

The invention discloses a microsphere coated diamond-like film rolling oscillation device and belongs to the technical field of physical vapor deposition coating preparation. The microsphere coated diamond-like film rolling oscillation device is uniform in coating, and can reduce the surface roughness of microspheres. According to the technical scheme, the microsphere coated diamond-like film rolling oscillation device comprises a microsphere disc, a connector, a connecting part, a base and an electromagnetic relay; a support is arranged on the base, and the connector is installed on the support through a supporting rod and can swing around the supporting rod; and one end of the connector is connected with the microsphere disc, an arc-shaped protrusion protruding inwards is arranged on the microsphere disc, the other end of the connector is in drive connection with the electromagnetic relay through the connecting part, and the connecting part or the connector or the disc is further provided with an elastic part enabling the disc to be reset after the disc swings. By adjusting the inclination angle of the microsphere disc and the attraction frequency of the electromagnetic relay, the motion rail of the microspheres is optimized, the microspheres are dispersed, and then a diamond-like film is more uniformly coated with the microspheres.

The invention discloses an ultrasonic detector testing device. The ultrasonic detector testing device comprises a tester, sliding blocks are slidably connected to the two sides of the top of the tester through threaded columns correspondingly, an ultrasonic detector transducer is slidably connected to the inner walls of the sliding blocks, and a positioning groove is formed in the surface of the ultrasonic detector transducer; and the left sides of the inner walls of the sliding blocks are fixedly connected with first bearings. According to the ultrasonic detector testing device, by arrangingthe tester, the sliding blocks, the ultrasonic detector transducer, the positioning groove, the first bearings, a positive and negative threaded column, threaded sleeves, an oblique plate, idler wheels, connecting plates, a lifting plate, sliding mechanisms, springs and a positioning column, the problems that the transducer of the ultrasonic detector cannot be well fixed through an existing testing device, the transducer is prone to falling off, and consequently, the testing result of the ultrasonic detector is affected are solved; and the ultrasonic detector testing device has the advantage that the fixing effect is good, the practicality of the testing device is improved, and using by a user is facilitated.

The invention discloses a telegraph pole support. The telegraph pole support comprises a fixing box, wherein a spiral elevator is arranged on the fixing box and comprises a screw rod perpendicular tothe ground; the lower end of the screw rod is positioned in the fixing box; the bottom end face of the screw rod is rotationally connected with a connecting rod; a first gear is arranged at the upperportion of the connecting rod; a spiral blade is arranged at the middle portion of the connecting rod; the bottom end of the connecting rod is conical; an installing plate is arranged on the screw rod; a motor is arranged on the installing plate; a second gear engaged with the first gear is arranged on an output shaft of the motor; a first through hole allowing the spiral blade to penetrate is formed in a bottom plate of the fixing box; a first folding rod is arranged on the side face of the fixing box; an arc groove is formed in one end portion of the folding rod; and a telegraph pole is in tight contact with the inner concave face of the arc groove. The spiral blade is screwed into the ground to provide a fixing point for the folding rod, supporting is firm, use is convenient, and practicability is high.

The invention discloses an artificial insemination bar. The artificial insemination bar comprises a semen collecting container, a shell for simulating the shape of a penis and an inner core arranged in the shell. Two wings for driving the shell to enter the orificium vaginae is arranged at one end of the shell, a positioning device for fixing the semen collecting container is arranged between the two wings, a pulling handle for driving the inner core to slide relative to the shell to allow the two wings to be opened or closed is arranged at one ends, far away from the wings, of the inner core, a catapulting device for catapulting the positioning device when the two wings are opened to allow the semen collecting container to be adsorbed to the uterine neck opening is connected on the inner core, and a catapulting triggering mechanism for triggering the catapulting device is arranged in the shell. The artificial insemination bar is operated without specialist physicians, and can be successfully completed between couples; as collected semen can be directly delivered to the uterine neck opening through the artificial insemination bar, it is avoided that sperms are killed when moving in the vagina, the survival rate of sperms is effectively increased, and the pregnancy success rate is greatly increased.

The invention relates to the technical field of anti-deviation devices, in particular to an anti-deviation device of a plastic pipe production line. The anti-deviation device comprises a base, a roller is rotatably connected to the top surface of the base, a pipe is placed on the top surface of the roller, and guide arms are mounted on two opposite sides of the base in the pipe conveying direction. A plurality of balls are rotationally connected with the side, close to the base, of the guide arms, arc-shaped magnet plates are arranged in the guide arms, the polarities of the two arc-shaped magnet plates are opposite, adjusting seats used for adjusting the angles of the guide arms are arranged at the bottoms of the guide arms, the adjusting seats are rotationally connected with the guide arms, and reset springs are connected between the adjusting seats and the guide arms. Adjusting seat connecting assemblies are detachably arranged at the bottoms of the adjusting seats, the adjusting seat connecting assemblies are used for connecting the adjusting seats, and in order to prevent the pipes from deviating in the transportation process, the anti-deviation device of the plastic pipe production line can limit the movement direction of the pipes and improve the transportation efficiency of the pipes.

The invention relates to a water meter injection molding process. An injection molding machine, an upper mold base and a lower mold base are included, the injection end of the injection molding machine is fixedly connected with the upper mold base, and a mold locking part of the injection molding machine is fixedly connected with the lower mold base. The lower mold base comprises a movable mold base plate, a supporting plate, an ejector rod fixing plate, an ejector rod base plate, a large ejector rod, a movable mold plate, a concave mold plate, a lateral mold core, a positioning frame and a guide column, liquid plastic is introduced into a gap between a convex mold plate and a convex mold block through the upper mold base, and meanwhile the size of the upper side of a plastic part needingto be machined is limited. The upper mold base and the lower mold base are aligned and positioned,the plastic part obtained after injection molding is completed is pushed out through the lower mold base, the size of the lower side of the plastic part is limited, meanwhile, horizontal displacement of the lateral mold core is controlled, and the concave mold plate and the convex mold plate are further aligned.