115results about How to "Easy to adjust the installation position" patented technology

The present invention provides a hardware-in-loop performance testing stand suitable for an automobile C-EPS system. The hardware-in-loop performance testing stand includes an oblique plane support platform, a steering wheel mounted above the stand face, a C-EPS steering column assembly, a steering resisting simulator, an automatic steering motor, a measurement and control system based on a dSPACE real-time simulation platform, a remote control main power box, support ground castors and the like. A lower inertia AC servo motor is used to initiatively load the C-EPS steering system on the hardware-in-loop performance testing stand through a L type planetary reducer. The automatic steering motor can replace a tester for testing in part of open-loop tests. The influences, such as friction, damp and inertia existed in the L type planetary reducer, on the resistance load is considered and the corresponding compensation control is performed during the simulation process of the steering resisting torque. Compared to other electric power steering testing stands, the hardware-in-loop performance testing stand can realize the development and performance testing of an EPS control system by utilizing the precious steering resistance simulation, and the hardware-in-loop performance testing stand is compact in structure and is movable.

The invention discloses a full-automatic special riveting machine for motor cooling fins. The full-automatic special riveting machine for the motor cooling fins comprises a table board, an A workpiece feeding mechanism, a B workpiece feeding mechanism, an electric punch, a riveting mechanism and a discharging mechanism; the electric punch is fixed to the table board; the riveting mechanism is installed on the electric punch; the A workpiece feeding mechanism and the B workpiece feeding mechanism are arranged on the two sides of the riveting mechanism correspondingly and feed workpieces A and workpieces B to the riveting mechanism correspondingly; and the discharging mechanism is installed on the electric punch and pushes riveted cooling fins out of the riveting mechanism. The full-automatic special riveting machine for the motor cooling fins can greatly improve the riveting machining efficiency of the motor cooling fins, can stabilize the riveting force, improves the operation safety and has good market prospects.

The invention relates to a double-station cast tube surface zinc spraying machine. The machine is characterized in that a zinc spraying trolley is arranged on a rack and transversely moves along the rack, wherein a wire feeding adjusting device is arranged on the lower surface of the zinc spraying trolley and connected with the zinc spraying trolley, and spray gun assemblies for spraying zinc on the surface of a cast pipe are arranged on two sides of the wire feeding adjusting device; two pushing and rotating mechanism sets are arranged at the lower part of the rack and are used for clamping two casting pipes and driving the casting pipes to rotate; the wire feeding adjusting device is driven by the zinc spraying trolley to transversely move along the axial direction of the casting pipes in the rotating process of the casting pipes; the spray gun assemblies are capable of spraying zinc on the surfaces of the casting pipes in the transversely moving process; a cast tube feeding and discharging mechanism is arranged at the lower part of the rack and used for feeding the cast tubes to a pushing and rotating mechanism and taking the cast tubes subjected to zinc spraying down from the pushing and rotating mechanism; and a dust removal device is arranged at the upper part of the pushing and rotating mechanism and used for treating zinc mist generated in the zinc spraying processing process. The double-station zinc spraying machine is capable of spraying zinc to two casting tubes at one time, and has the characteristics of wide application range, stable operation, simple operationand the like.

The invention discloses a tailored trouser waistband overlapping clamp for a sewing machine. The tailored trouser waistband overlapping clamp for the sewing machine comprises a fixed plate, wherein a first bottom plate is detachably arranged on the upper end surface of the fixed plate; a first overlapping plate is fixed on the first bottom plate; a first overlapping passage is arranged on the first overlapping plate, and a first support rod is fixed at an outlet in the front end of the first overlapping passage; a second bottom plate is arranged at the front end of the first bottom plate, a second overlapping plate is arranged on the second bottom plate and located below the first overlapping plate, and a second support rod is fixed at an outlet in the front end of the second overlapping plate; and a third bottom plate is arranged on one side of the second bottom plate and is close to the second bottom plate, a third overlapping plate is fixed on the third bottom plate, and a second overlapping passage is arranged on the third overlapping plate. With the adoption of the technical scheme, a fabric is more convenient to pass in and out of corresponding overlapping passages, and the whole device is simple in structure, convenient to use, neat in overlapping, and high in working efficiency.

The invention relates to a cabinet with an environment measuring function. An accommodation space in a cabinet body of the cabinet applied by electronic machines and tools allows operation machines and tools and a measuring main unit of the pre-arranged electronic machines and tools to be assembled therein, the measuring main unit is in electric connection with at least two signal wires which are located on the internal faces of the top or all side edges of the accommodation space and are in electric connection with at least two connecting interfaces by two or more signal lines, the connecting interfaces are exposed outside the accommodation space and can be in electric connection with sensors, and further, the temperature, the humidity, smog or access control and the like inside or at the periphery of the cabinet can be detected. The cabinet achieves the purpose that the operation machines and tools allowing the electronic machines and tools to be mounted in the cabinet body can be aligned to the connecting interfaces and the sensors, and brings convenience for the sensors to detect the states at the periphery of the electronic machines and tools without complicated wiring and mounting.

The invention provides a building curtain wall structure and a construction method thereof, and belongs to the field of building curtain walls. The problem that the detaching and assembling process ofan existing curtain wall is troublesome and efficiency is low is solved. The building curtain wall structure comprises a wall body and wall boards. The wall boards are connected to the wall body through connecting mechanisms. Each connecting mechanism comprises a rear hanger and a rear connector which are connected to the wall body. Each rear hanger comprises a hanging rod. Each rear connector comprises a connecting plate. Each connecting mechanism further comprises a front hanger and a front connector which are connected to the inner side face of the wall board. Each front hanger comprises ahanging plate. A hanging groove is formed in each hanging plate. Each front connector comprises a connecting pipe. A connecting strip is arranged in each connecting pipe. Each front connector furthercomprises a connecting rod, wherein the connecting rod penetrates through the corresponding connecting strip, and the two ends of each connecting rod are connected with the corresponding connecting pipe. Each connecting rod is sleeved with a reset spring. A rod groove is formed in the top face of each connecting strip. A slide groove is formed in the groove wall of each rod groove. A slider is slidingly arranged in each slide groove. A rod hole is formed in the pipe wall of each connecting pipe. A clamping rod with the bottom end fixed to the corresponding slider is arranged in each rod holein a penetrating mode. By means of the curtain wall structure, the wall board can be conveniently, efficiently, safely and independently detached and assembled, and the positions of the wall boards can be adjusted.

The invention discloses hydraulic bracket transferring equipment, and relates to the field of fully mechanized mining equipment. The hydraulic bracket transferring equipment is high in withdrawal efficiency, has a self moving function, and is simple in structure, low in cost and easy and convenient to operate. The hydraulic bracket transferring equipment comprises a self moving device, a transferring device and a connecting device. The self moving device supports the connecting device and the transferring device. The self moving device is connected with a driving device. The driving device drives the self moving device to move. The transferring device is connected with the connecting device in a single point or multiple-point mode. The transferring device is used for driving a bracket to be withdrawn to move to be withdrawn.

The invention relates to a bearing rolling body rolling friction force measuring system and a loading device thereof, and the system comprises: a test bench, wherein the loading device is supported and matched above the test bench, a loading support is correspondingly provided with a loading sleeve, and the loading support is in transmission connection with a loading driving mechanism; a loading sleeve, wherein a wheel seat and a loading wheel are arranged in the loading sleeve; a wheel seat, wherein a loading wheel is rotationally assembled on the wheel seat; a loading wheel which axially extends in the front-back direction and is used for being in direct contact with the bearing rolling body and loading the bearing rolling body in the radial direction of the bearing rolling body; and deformable bodies on the two sides which are arranged in bilateral symmetry about the central axis of the loading wheel, the upper ends of the deformable bodies can swing left and right relative to the lower ends of the deformable bodies, the upper ends of the deformable bodies are fixedly connected with the wheel seat, and the lower ends of the deformable bodies are fixedly connected with the loading sleeve. According to the system for measuring the rolling friction force of the bearing rolling body, the bearing rolling body is separated from the rolling bearing, so that the interference of other factors in the bearing during the measurement of the rolling friction force of the bearing rolling body is eliminated.

The invention discloses a transformer shell paint spraying device which comprises a rack, a lifting rotary mechanism on the rack, a working table on the lifting rotary mechanism, a clamping mechanismon the working table, a fixed frame on one side of the rack, and a paint spraying mechanism on the fixed frame, wherein the lifting rotary mechanism drives the working table to lift and rotate; the clamping mechanism is used for fixing a transformer shell; the paint spraying mechanism is used for spraying paint on the transformer shell and comprises a mounting cabinet arranged on the fixed frame;a paint box is arranged above the mounting cabinet; a paint pump connected with the paint box is arranged on the rear side of the mounting cabinet; a plurality of spray guns are arranged on the innerside of the mounting cabinet; one end of each of the spray guns is connected with the paint pump via a hose; an atomizer is arranged at the other end of the spray gun; and the atomizer aligns with thetransformer shell on the working table. The transformer shell paint spraying device can greatly lower the labor cost, improves the working efficiency, and can also protect the life safety of a technician during the working process.

The invention discloses a keel frame connector with high flexibility, which comprises an upper clamping plate, an upper piercing groove, a lower piercing groove, a lower clamping plate, a knob, a main keel, an auxiliary keel, sliding balls, a top nut, a bottom bolt, Inner groove, block, retractable spring, connecting plate, traction spring, sliding rod, chute and slot. The beneficial effects of the present invention are: the connector is formed by clamping the upper and lower clamping plates, and the upper and lower ends of the upper clamping plate are respectively provided with upper and lower penetration grooves, and the connector is clamped by using the upper and lower two penetration grooves. Connected to the keel frame, so that the connecting piece and the keel armor are more stably snapped together. By installing sliding balls inside the upper and lower passing grooves, installing top nuts on both sides of the sliding balls, and installing bottom bolts at the bottom of the sliding balls, the top nuts and bottom bolts can control the sliding balls to clamp the dragon frame when tightened, and when released When making the sliding ball slide on the keel frame, it is convenient to adjust the installation position of the connecting piece on the keel frame.

The invention discloses an autocollimator laser sight, comprising a sight shell, and a battery, a current-limiting resistor, a microswitch and a laser tube which are arranged in the sight shell, wherein one end of the sight shell is in a shape of a hollow cylinder, the inner diameter of the hollow cylinder matches with the top circle of an autocollimator light tube, and the microswitch is arranged in the hollow cylinder-shaped sight shell; the laser tube is fixedly arranged at the other end of the sight shell; the center of the laser tube, the center line of the hollow cylinder, and the center line of the autocollimator light tube are on the same straight line; and in the sight shell, the microswitch, the laser tube and the current-limiting resistor are connected in series on the battery. The autocollimator laser sight disclosed by the invention adopts visible laser light to imitate the optical axis of an autocollimator, and as a sighting basis, changes the condition that the optical axis of the conventional autocollimator does not have a visible light sighing basis; moreover, the accuracy and reliability of multiple times of installation and uses of a laser sight can be ensured.

The invention discloses a hot press capable of realizing automatic discharging for thin-film capacitor production. The hot press comprises a cabinet, a heating plate, a screw rod, a telescopic rod anda gliding tabletop, a worktable is fixed on the top end surface of the cabinet, a slideway is formed in the left side of the top end of the cabinet, a connecting hole is formed in the outer side of the slideway, and a supporting column is connected to the inner side of the slideway; a fixing plate is arranged on the outer side of the bottom of the supporting column, a fixing bolt is connected tothe inner side of the fixing plate, a sliding groove located in the top of the workbench is formed in the lower portion of the heating plate, a table plate is arranged in the sliding groove, a bottomplate is fixed to the bottom end of the table plate, and a first supporting rod is connected to the inner side of the base plate. And the top end of the screw rod is connected with a transmission wheel. According to the hot press capable of achieving automatic discharging and used for thin-film capacitor production, adjusting operation can be conducted, discharging and using can be conducted safely and stably, rapid continuous production operation can be conducted conveniently, and the production operation efficiency can be guaranteed.

The invention discloses an automatic production line and process for PET plastic bottle preforms. The automatic production line for the PET plastic bottle preforms comprises a raw material hopper, a drying machine, an injection molding machine, a preform sorting machine, an automatic inspection machine and a preform hopper which are sequentially arranged. A transferring device between the preformsorting machine and the automatic inspection machine is a bottle preform conveying device. The automatic inspection machine is composed of a first detection unit, a second detection unit, a removal unit and a controller used for controlling the first detection unit, the second detection unit and the removal unit. The production process for the PET plastic bottle preforms comprises the following steps of S1, material preparation; S2, formation; S3, sorting; S4, automatic inspection; and S5, boxing and treatment. By adoption of the automatic production line and process for the PET plastic bottlepreforms, the automation degree of the bottle preform production line is effectively improved, and the production efficiency of the bottle preforms is also improved; and the production flow of the whole process is more stable, and the yield of the bottle preforms is increased.

The invention discloses a road warning sign for municipal engineering, and relates to the field of municipal engineering. The sign comprises a fixing plate, a fixing sleeve is connected to the rear wall of the fixing plate, a supporting rod is inserted inside the fixing sleeve, the outside of the outer wall, close to the supporting rod, of the fixing sleeve is connected with an adjusting bolt, a supporting triangle is connected to the bottom of the supporting rod, a front surface of the supporting rod is provided with a marking line, a front surface of a fixing plate is attached with a reflective film, and phosphors are applied at the edge of the front surface of the fixing plate and outside the reflective film. The sign conveniently adjusts the overall height of the warning sign, can increase the aesthetic appearance of the warning sign, provides a reflective reminder for a vehicle coming from a distant place so that a driver can observe the warning sign in advance and prepare in timeto slow down, alerts people in the distance at night and increases the safety of pedestrians and vehicles.

The invention discloses an elbow joint movement device for hospital physiotherapy rehabilitation. The elbow joint movement device comprises a fixing supporting plate, a fixed bottom plate, a first trainer, a second trainer and a third trainer; the first trainer comprises a fixed seat, the inner side face of the fixed seat is rotatably connected with a rotating support through a rotating shaft, sliding rails are formed in the two sides of the top end of the fixed bottom plate, and the two sliding rails are slidably connected with sliding blocks correspondingly; the second trainer comprises twomounting seats which are fixedly connected to the sliding blocks correspondingly and rotatably connected with a mounting support through rotating shafts, and a second handle is arranged at the top ofthe mounting support; and the third trainer comprises a first handle, the bottom of the first handle is fixedly connected with a connecting piece, one side of the connecting piece is provided with anextension spring, one side of the extension spring is provided with a fixing ring, and hanging rings at the two ends of the extension spring are connected with the connecting piece and the fixing ringcorrespondingly. According to the elbow joint movement device, elbow joints can be trained at multiple angles and different intensity, movement modes are diversified, and the elbow joint movement device can be suitable for elbow joint training of different crowds.

The invention discloses an automatic alarm device for material blockage of a three-product dense-medium cyclone. The automatic alarm device comprises an ultrasonic liquid-level switch and audible and visual alarms, wherein the ultrasonic liquid-level switch is electrically connected with a time-delay relay control cabinet, a time-delay relay KT1 and a time-delay relay KT2 are arranged in the time-delay relay control cabinet, the time-delay relay KT1 is electrically connected with a high-liquid-level audible and visual alarm, the time-delay relay KT2 is electrically connected with a low-liquid-level audible and visual alarm, and the high-liquid-level audible and visual alarm and the low-liquid-level audible and visual alarm are electrically connected with a centralized control PLC (programmable logic controller). A high monitoring liquid level and a low monitoring liquid level are set in a middling coal aggregate box. The automatic alarm device has the advantages that high liquid level and low liquid level triggering signals of the ultrasonic liquid-level switch can be adjusted correspondingly according to coal quality change; alarming can indicate the conditions of a position where material blockage accidents occur, so that faults can be discovered timely, effective measures such as onsite machine halting or centralized-control automatic interlocking machine halting can be taken, accident extension is avoided, accident loss is reduced and production efficiency is improved.

The invention discloses a waterproof sealed wiring box. The waterproof sealed wiring box comprises a wiring box main body, an upper cover, a button lock and a mounting bracket; the upper cover matched with the wiring box main body is mounted at the upper end of the wiring box main body; the upper cover is fixed to the wiring box main body through the button lock; and the mounting bracket is clamped at the bottom of the wiring box main body. Therefore, the waterproof sealed wiring box is simple in structure, convenient to mount and dismount, and capable of achieving sealing and waterproof effects and avoiding the problem of poor sealing effect caused by repeated dismounting.

The invention discloses a structure of a novel automatic adjustment type solar water heater seat. A rotary shaft seat is fixedly arranged at one end of a base. An arc-shaped bracket is fixedly arranged at the other end of the base. The arc-shaped bracket is provided with gaps. The circular arcs at the bottoms of the gaps are all on an arc line which takes a shaft line of a rotary shaft as the center of a circle. The bottom of a panel is hinged with the rotary shaft seat by the rotary shaft. The panel has a degree of freedom which rotates around the rotary shaft. The upper end of the panel and a water tank fixing seat are fixedly arranged together. The water tank fixing seat is fixed in the corresponding gap of the arc-shaped bracket by a fixing bolt. A water tank is fixedly arranged on the upper surface of the water tank fixing seat. A heat collecting tube is arranged on the upper surface of the panel. Meanwhile, the upper end of the heat collecting tube is connected with the inner part of the water tank.

The invention discloses gastrointestinal tumor postoperative auxiliary rehabilitation equipment. The equipment comprises a bed body, wherein supporting legs are mounted on one side of the bottom of the bed body; a medicated bath assembly is mounted in the center of the top of the bed body; a left-right displacement assembly is fixed to the center of the outer wall of the bed body; a vertical plateis fixed to the left-right displacement assembly; a control panel is mounted on the outer wall of the vertical plate; a microwave nursing assembly is installed at the top of the vertical plate; the control panel is electrically connected with the left-right displacement assembly, the microwave nursing assembly and the medicated bath assembly; the microwave nursing assembly comprises a connectingframe, a rotating motor, a speed reducer, a nursing box, a microwave generator, a microwave transmitting probe, a rotating disc and a bearing; and the nursing box is fixed to the top of the vertical plate. The equipment is novel in structure and ingenious in conception, can help a patient to carry out nursing after a tumor treatment operation, relieves the pain of the patient, improves the rehabilitation effect, and relieves the workload of medical staff.

The invention relates to a full-automatic mahjong machine, for solving the problem that the existing tile sending groove and the tile storage groove need to be vertically arranged. The full-automatic mahjong machine comprises a tile sending groove, a tile storage groove, and a tile overlapping mechanism connected with a tile outlet of the tile sending groove; the full-automatic mahjong machine further comprises a rotating-type tile pushing mechanism, the rotating-type tile pushing mechanism comprises a tile rotation track, a tile pushing piece arranged in the tile rotation track, and a drive piece used for driving the tile pushing piece to rotate, wherein the tile rotation track is positioned between the tile overlapping mechanism and a tile inlet of the tile storage groove, and the tile pushing piece rotates to push mahjong tiles on the tile overlapping mechanism to the tile storage groove along the tile rotation track.

The present application relates to a sound-absorbing ceiling system, which includes several ceiling panels, several transverse keels and several longitudinal keels; the transverse keels and the longitudinal keels are arranged alternately to form a planar skeleton, and the ceiling panels are perpendicular to the planar skeleton , and the ceiling board is connected to the lower part of the longitudinal keel; the transverse keel and the longitudinal keel are clamped or inserted, and the longitudinal keel is inserted into the ceiling board; the transverse keel and the longitudinal A low-frequency sound-absorbing material is attached to the upper surface of the keel, and the ceiling board is a mineral wool sound-absorbing board. The sound-absorbing ceiling system described in this application is a vertical suspension system that is different from the existing vertical suspension system in the load-bearing manner. It has good decorative and sound-absorbing effects, and can be widely used in large-scale entertainment venues with high sound-absorbing effects and decorative effects. .

The invention discloses a detachable maintenance ladder for water conservancy engineering, which comprises a casing, and mounting holes are arranged at equal intervals on both sides of one end of the casing, and a first groove is arranged at one end of the casing provided with the mounting holes. , the first groove is located in the middle of the housing, two first sliding grooves are opened on the inner wall of the end of the first groove away from the opening, and the first groove is connected with a first sliding plate, a second sliding plate and pedal, the first sliding plate and the second sliding plate are movably installed on the outside of the first groove, and the ends of the first sliding plate and the second sliding plate near the opening of the first groove are fixedly welded with two first slider, the two first sliders are respectively slidably installed in the first chute, and the two ends of the first sliding plate and the second sliding plate are provided with through holes, and there are movable installations in the through holes. bolt. The invention can facilitate the adjustment of the installation position of the pedals, and can achieve the purpose of quickly installing and dismounting the pedals.

The invention discloses a motorcycle accumulator cell box, which includes box body (1) and installment journal (8), there is a first thermal baffle (2) under the box body (1) and fixs connection with the box body, there is a gap for air circulation between the first thermal baffle (2) and the bottom of the box body (1), and the heat insulation tray (3) setup on the base of the first thermal baffle (2). The invention has skilling design, simple structure, easy implement and so on feature; it can melt heat quantity which radiated from the exhaust pipe to the accumulator cell, effectively avoided influence of the high temperature heat source to the accumulator cell, safeguarded the accumulator cell working conditions temperature not too high, enables the accumulator cell all along normal work, thus greatly lengthened the accumulator cell service life, reduced the motorcycleuse cost.

The invention discloses a high-precision adjusting device for a printing machine scraper. The high-precision adjusting device comprises a bottom plate and a stand; the stand is provided with two first guide rails, each of the first guide rails is provided with two first slide blocks, each of the first slide blocks is hinged with a connecting rod, and the top end of the connecting rod is connected with a hinged seat; a fixed plate is arranged above the bottom plate, a rotating shaft is connected between the bottom plate and the fixed plate, a lower connecting plate is arranged above the bottom plate, and an upper connecting plate is arranged below the fixed plate; a second slide block is connected below the lower connecting plate, and the bottom plate is provided with a second guide rail connected with the second slide block; and a scraper is connected between the bottom plate and the fixed plate. Scraper inclination and local wear of the scraper can be compensated by adjusting the scraper, and the high-precision adjusting device not only can be used for improving the printing quality, but also has the advantages of low maintenance cost, high adjusting precision, good compensation effect and convenience in installation and fixation.

Disclosed is a method of connecting bridge round pier column with square bent cap anchorage rebar skeleton in a sleeving mode. The method includes the following steps that A, inner tooth mouth box iron and outer tooth mouth box iron are arranged correspondingly and are fixedly connected with each other through a connecting piece, and the two ends of the inner tooth mouth box iron are fixedly connected with a supporting piece; and B, vertical directional box iron is welded to the outer tooth mouth box iron, and horizontal directional box iron is fixed to the vertical directional box iron on thesame side, and meanwhile, supporting box iron is welded to the vertical directional box iron on the same side. Compared with the prior art, through the tooth mouth positions of the inner tooth mouthbox iron and the outer tooth mouth box iron, the bridge round pier column is corresponding to rebar skeletons, so that the spacing between the reinforcement bars remains unchanged; clamping pieces which are composed of an inner tooth mouth and an outer tooth mouth are fixedly connected through supporting pieces, so that it is ensured that the position of the square skeleton during hoisting construction is precise; by adjusting the placing position of the transverse box iron, the mounting position of the square skeleton rebar can be adjusted conveniently; the device can be used repeatedly; in the construction process, materials are not consumed basically; and energy conservation and environment protection are achieved.

The invention discloses an aluminum electrolysis cell cathode carbon block assembly automatic compacting machine and an assembly compacting method thereof. The compacting machine comprises a horizontal rail (1), a movable platform (3) capable of performing a reciprocating motion along the horizontal rail, a cathode carbon block (4) fixedly mounted on the movable platform, a bracket (2) mounted beside the movable platform, an unloading device (5) mounted on the bracket and positioned above the cathode carbon block, a collecting device (6) arranged in a discharge port at the bottom of the unloading device, a compacting device mounted on the bracket and positioned beside the unloading device, and a scraping device (8) arranged beside the compacting device. The compacting machine can realize automatic pavement and compaction of carbon block thickeners, and is higher in carbon block assembly speed and assembly precision.

The invention provides a top plate and back plate integrated structure and a side draught range hood. The top plate and back plate integrated structure comprises a top folding edge, a top plate, a back plate, a bottom plate and an oil baffle plate which are integrally formed in sequence, the front end of the top plate is connected with the top folding edge, the rear end of the top plate is connected with the upper end of the back plate, the rear end of the bottom plate is connected with the lower end of the back plate, the front end of the bottom plate is connected with the lower end of the oil baffle plate, and the side draught range hood comprises the top plate and back plate integrated structure. According to the top plate and back plate integrated structure, the top folding edge, the top plate, the back plate, the bottom plate and the oil baffle plate are arranged to be a structure which is integrally formed, so that structures for assembling and connecting the top folding edge, the top plate, the back plate, the bottom plate and the oil baffle plate are omitted, then integrally manufactured materials are saved, and the overall attractiveness is also improved; and the integralforming process is simple, the processing is convenient, and screw driving or welding does not need to be carried out among the top folding edge, the top plate, the back plate, the bottom plate and the oil baffle plate during subsequent assembling, so that the assembly efficiency is improved.

The invention relates to an underwater monitoring device for a non-metallic chain mud scraper and a using method thereof. The underwater monitoring device comprises lifting supporting frames assemblies and an automatic control system, wherein the the lifting supporting frames components are horizontally arranged on walls of two sides of a sedimentation tank respectively, and each lifting supporting frame assembly comprises an outer layer tube and an inner layer tube; a scraper capable of horizontally sliding on the lifting supporting frames are arranged on the lifting supporting arranged on two sides; the automatic control system comprises a programmable controller, and a sensing device arranged at the bottom of the sedimentation tank; the sensing device is in data signal connection with the programmable controller to detect the state of the scrapper when the scrapper passes by the sensing device; and the automatic control system further comprises an alarm which is connected with the the programmable controller. The underwater monitoring device has the advantages of being simple in structure, reasonable in design, safe and reliable in working, convenient in operation, high in automation and the like. The underwater monitoring device can reduce work intensities of workers, and controlling operations can be performed timely and effectively when conditions of scraper deflecting, breaking, missing, chain skipping and chain breaking of the scraper are detected to avoid unnecessary losses.

The invention provides an auxiliary expansion device convenient to fix and adjust for gynecological examination. The auxiliary expansion device comprises a base, leg supporting rings, supporting ringadjusting pieces and an annular sliding way, wherein the base is installed on an examination bed, the annular sliding way is fixed on the base, the two leg supporting rings are movably installed on the annular sliding way, and the supporting ring adjusting piece used for finely adjusting the distance between the two leg supporting rings is further arranged between each leg supporting ring and theannular sliding way. The auxiliary expansion device can, in accordance with the requirements of a patient or the examination needs, deal with discomfort such as soreness and distension of the patientin the posture keeping process through movable connection between the leg supporting rings and the annular sliding way and through the adjustment of the setting positions of the leg supporting rings by the supporting ring adjusting pieces. The structure is easy to operate and implement.