276 results about "Rotating hinge" patented technology

A hair care appliance is provided. The hair care appliance includes a handle and a body coupled to the handle via a rotational hinge joint. The body can be movable via the rotational hinge joint between a straight configuration in which the body is aligned with a longitudinal axis of the handle and a bent configuration in which the body extends along an axis transverse to the longitudinal axis of the handle. A fluid flow path extends between an inlet in the handle and an outlet in the body. The hair care appliance can be operated with minimal loss of fluid flow in either the straight configuration and the bent configuration. The hair care appliance includes a fan assembly in the handle and a heater assembly in the body that are positioned to create a balanced center of mass of the hair care appliance when operated by a user.

The utility model discloses a rotary hinge device for installing a solar panel. The rotary hinge device comprises a hinge body and a panel fixer, hinge tables are arranged at the two ends of the hinge body, connecting tables are arranged at the two ends of the sailboard fixing device, the hinge tables and the connecting tables are connected through rotating joints, so that the sailboard fixing device can rotate around the hinge tables, and the rotating joints are sleeved with hinge torsion springs matched with the hinge tables and the connecting tables. The outer end of one rotary connector is further provided with a time sequence torsion spring arranged in the axial direction of the rotary connector. When the solar panel support is used, the solar panel support is fixedly installed on the side face of a satellite structure frame and can be reliably connected with a sailboard. And meanwhile, the rotary joint for rotationally connecting the sailboard is arranged in the hinge main body, so that the flexible rotary connection between the sailboard and the satellite body is realized, and the secondary unfolding requirement of the sailboard is met. A time sequence control structure is further arranged in the hinge to prevent interference and collision in the unfolding process, and the phenomenon of over-unfolding or under-unfolding is prevented.

A paddy field mud extruding, ditching and ridging machine comprises a plough straining beam, a V-shaped ditching plough share is installed on the plough straining beam, a ditch bottom forming plate is fixed below the ditching plough share and the plough straining beam, and a left rotating hinge and a right rotating hinge are installed on the left side and the right side of the ditch bottom forming plate respectively. The left rotating hinge and the right rotating hinge are connected with a left ditch wall plate and a right ditch wall plate respectively, and wall plate telescopic devices are connected between the left ditch wall plate and the plough straining beam and between the right ditch wall plate and the plough straining beam. According to the paddy field mud extrusion ditching ridger, the V-shaped ditching plough share is used for front edge ditching, the left ditch wall plate, the right ditch wall plate and the pair of extrusion rollers are used for forming and rolling ditch walls, mud ditches with trapezoidal sections can be formed through rolling, the ditch walls of the mud ditches are not prone to collapsing, the original mud layer structure is not affected, and the mud ditches are not prone to collapse. And the ridge top surface is flat without water accumulation under the rolling of the ridge wings.

The utility model provides an adjustable rotating hinge water seal device which comprises a water seal seat, a rotating hinge body is arranged on the water seal seat, and the rotating hinge body is rotatably connected with the water seal seat through a hinge shaft. The rotating hinge body is of an integral structure of the water seal support, and an arc-shaped structure suitable for water seal steering is arranged at the end of the rotating hinge body. A spring pre-tightening mechanism is arranged between the top end of the rotating hinge body and the water seal base and used for providing pre-tightening force for the rotating hinge body. A water seal rubber and a water seal pressing plate are arranged between the other end of the rotating hinge body and the gate panel, and the water seal pressing plate, the water seal rubber and the rotating hinge body are fixed through bolts and nuts. The adjustable rotating hinge water seal device is installed on a lintel of a gate groove and makes contact with a gate panel to form a sealing body, the reliable water sealing effect is achieved, the water jetting phenomenon in the gate opening and closing operation process is avoided, a vibration source enabling a gate to vibrate is reduced, the operation environment of equipment is improved, and the service life of the equipment is prolonged. And the reliability and the safety of equipment operation are improved.

The utility model discloses a flexible bending center rotating hinge knife, and belongs to the technical field of flexible bending centers. Comprising a pressing cutter female cutter and a pressing cutter side cutter, and one side of the pressing cutter female cutter is provided with a stepped surface and a curved groove; a cover plate is mounted on the stepped surface; a linear part and a bent part are arranged in the curved groove, and the bent part is arranged towards the middle of the pressing die; a fixing hole is formed in the cutter pressing side cutter, a first pin shaft is installed in the fixing hole, and the first pin shaft penetrates through the fixing hole and slides in the curve groove. A connecting plate and a bearing spring are installed on the upper portion of the cutter pressing side cutter, a second pin shaft is installed at the bottom of the connecting plate, and the connecting plate is connected with the cutter pressing side cutter through the second pin shaft. A connecting pin shaft is installed on the top of the connecting plate and connected with the bottom end of the bearing spring. The utility model solves the technical problem that the blanking interference is caused by the flange of the material pressing die due to the bending caused by the flange when the blanking is carried out after the flanging is generated by the bending of the workpiece.

The utility model provides semiconductor wafer automatic processing equipment, and belongs to the technical field of semiconductor wafer processing. Comprising a thinning machine body, a machining area is formed in the middle of the thinning machine body, a side mounting frame is fixed to one side of the machining area, a thinning mechanism is mounted in the middle of the machining area, and a cleaning mechanism is mounted in the side mounting frame. According to the utility model, through the arrangement of the film pressing protection mechanism, a worker can hold and open the pressing frame by utilizing the mobility of a rotating hinge and a rotating frame, then places the dried semiconductor wafer in a cutting ring groove, and then can synchronously start a third motor and a fifth motor, the third motor can drive a second transmission screw rod to rotate, and the fifth motor can drive a second transmission screw rod to rotate; at the moment, a second lead screw sliding sleeve acting with a lead screw can drive a fixed mounting frame and a rotating rod carried in the middle of the fixed mounting frame to be matched with a guide mounting rod for guiding to conduct film drawing treatment, a film belongs to one end of a blue film outside a film mounting roller, and a fifth motor arranged at one end of the film mounting roller needs to be started to be matched with the blue film for loosening.

The invention belongs to the technical field of sail-shaped cable-stayed bridge construction, and relates to a long and thin structure arched steel tower installation method which comprises the steps that a bridge lower structure and a main tower are constructed, and an auxiliary tower root embedded section, a top connecting piece and related construction components are embedded in the main tower; during main tower construction, an attached tower fixing section and a main beam are synchronously installed, and the attached tower fixing section is fixedly connected with the main tower through welding and a steel truss set; a support is erected on a girder bridge floor, tower-attached sections are assembled according to the inverted arch posture, the pre-bias value and the pre-camber are preset, and rotating hinges are installed; a vertical rotating cable, a back cable and a cable wind cable which are made of steel strands are arranged, and testing is completed; one-time vertical rotation welding of one section of the attached tower is achieved through synchronous traction of a continuous jack, and then secondary vertical rotation is conducted on the whole section of the attached tower; after vertically rotating in place, welding and fixing, and dismounting related equipment and a bracket; the invention aims to solve the problems of high overhead operation risk, difficulty in control of construction precision, large temporary support investment, low work efficiency and insufficient adaptability of a traditional mounting method.

The application discloses a kind of basket type steel arch bridge arch rib segmented lifting system and method, lifting system includes arch rib assembly support, lifting support and setting on lifting support lifting jack group;Arch rib assembly support is erected on the top surface of the arch bridge girder that has been formed and the support height everywhere just meets the assembly of one pair of side arch rib segments and the middle arch rib segment on the top surface of the arch bridge girder;The outer end of the pair of side arch rib segments is rotatably connected to the set position of arch foot by rotating hinge;The lifting support is provided with a pair of and vertically arranged on the design lifting point of the top surface of the arch bridge girder, and the lifting jack group is arranged on the lifting support, which is used to lift the inner end of the pair of side arch rib segments and the two ends of the middle arch rib segment, so that the inner end of the pair of side arch rib segments and the two ends of the middle arch rib segment correspond to closure after lifting in place.The application reduces the height of support and the risk of typhoon load, simplifies the construction equipment investment, improves the stability of arch rib lifting process, alignment accuracy and construction efficiency.

The utility model discloses a trapezoid combined type crossing frame which comprises a plurality of trapezoid crossing frame units, the bottoms of the trapezoid crossing frame units are installed on a supporting base through 90-degree rotating hinges, and the supporting base is inserted into the ground through an expansion ground anchor to be fixed. The adjacent trapezoidal crossing frame units are connected through the cross beam modules; wherein the trapezoidal spanning frame unit at the outer end of one side is connected with a traction module for converting the spanning frame from a folded state to a vertical state; according to the utility model, the traction module is arranged to be matched with the trapezoidal spanning units hinged to the supporting base, so that the overhead working amount is reduced, the spanning frame can be pre-assembled on the ground, the assembling efficiency is improved, the construction period is effectively shortened, and the trapezoidal spanning frame units are in a folded state; a steel wire rope in the traction module pulls the crossing frame in the folded state to be in the vertical state, and the wires can be effectively protected.

The application discloses a clamp removing forceps and a jaw thereof, which is used for untying a ligature clamp, the ligature clamp comprising a first clamp arm and a second clamp arm connected by a rotating hinge, the first clamp arm being provided with a first protruding column, and the second clamp arm being provided with a second protruding column; the jaw comprising an upper jaw blade, a lower jaw blade and a pushing piece, the upper jaw blade and the lower jaw blade being openable and closable, the upper jaw blade and the lower jaw blade being respectively provided with a limiting groove and a limiting table, the limiting groove being used for positioning the first clamp arm and the second clamp arm when the ligature clamp is closed, and the pushing piece being used for pushing the ligature clamp when the ligature clamp is opened and for clamping the first protruding column and the second protruding column into the limiting table of the upper jaw blade and the limiting table of the lower jaw blade respectively. The jaw of the clamp removing forceps is provided with the limiting table and the limiting groove in the jaw blade, and the pushing piece is used for assisting, so that the operation difficulty and the damage risk of the ligature clamp are reduced.

The utility model discloses a topping energy gathering pipe expansion fixing device which comprises an energy gathering pipe body, three pressure adjusting type fixing structures with the same structure are installed at the front end of the outer wall face of the energy gathering pipe body, and an installation supporting structure is installed at the rear end of the energy gathering pipe body. Each of the three pressure adjusting type fixing structures comprises a rotating hinged support, a supporting rod, a mounting groove, a fixing block, a sliding support, a sliding groove, a moving block, a compression spring and a connecting supporting rod. The utility model relates to the technical field of blasting energy-gathering pipes, and solves the problems that the existing top-cutting energy-gathering pipe is directly plugged into a blasting hole formed in the inner wall of a mine hole during installation, and the size of the energy-gathering pipe is different from that of the blasting hole, so that the energy-gathering pipe is easy to slip off from the blasting hole, and the top-cutting blasting effect is influenced.

The utility model belongs to the technical field of vehicle electric doors, and particularly relates to an electric door switch driving mechanism which comprises a driving assembly and a driving hinge, the driving assembly comprises a motor support, a motor installed on the motor support, a reduction gearbox connected with the output end of the motor and a coupler in linkage with the output end of the reduction gearbox, the motor support is fixedly connected to a vehicle door, the driving hinge comprises a vehicle frame hinge and a vehicle door hinge, the vehicle frame hinge is fixedly connected to a vehicle frame, the vehicle door hinge is fixedly connected to the vehicle door, and the coupler penetrates through the vehicle frame hinge and the vehicle door hinge to form a rotating hinge with the coupler as a rotating shaft. The driving hinge is directly driven by the driving assembly composed of the motor, the reduction gearbox and the coupler to open and close the automobile door, the driving assembly is simple and compact in structure, space is saved, the use space of the automobile door is increased, meanwhile, redundant structural components such as a lead screw nut and a connecting rod are not needed, assembling is easy, and output efficiency is high.

1. Name of the product in this design: Hinge (90 degrees). 2. Purpose of this design: As a rotating hinge connector for doors in furniture. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention relates to a turbofan engine having a fixed structure, a fan, a fan casing surrounding the fan, an outer nacelle arranged around the fan casing and mounted hinged on the fixed structure, and a deployment system (250) for moving the outer nacelle from a closed position to an open position, and the deployment system has a guide rail (252) fastened around the fan casing, a slider (254) movable along the guide rail (252) and having a shoe (258), an activation system for moving the slider (254) and the shoe (258) in one direction or in the other direction along the guide rail (252) alternately, and an arm (264) having one end mounted hinged on the shoe (258) and the other end mounted hinged on the outer nacelle. Such motorized deployment system makes it possible to save space and mass of the turbofan engine.

A folding machine for folding a sheet comprises at least one folding fence, at least two folding rollers, at least one sheet diverter adjustably arranged between a first position and a second position, and a linkage mechanism for adjusting the sheet diverter. The connecting rod mechanism is constructed to be a six-component guide mechanism and comprises the following elements: a multi-component crank rocker which comprises a crank with a crank point, a rocker and a first connecting rod, a first rotating hinge fixed on the rack, a second rotating hinge fixed on the rack, a third rotating hinge with a hinge point and a fourth rotating hinge with a hinge point; the double connecting rods are guided by the crank point and the hinge point and comprise a second connecting rod, a third connecting rod, a fourth rotating hinge serving as a double rotating hinge, and a fifth rotating hinge and a sixth rotating hinge located at the crank point. The page diverter is arranged on the second link at a fixed point. According to the invention, the page steering gear can move between two limited positions and is locked at one of the two limited positions. The invention is preferably used for industrial folding machines.

This application relates to a welding positioning device and method for a heat exchanger. The welding positioning device includes a first frame, a limiting part, and a supporting part. The limiting part is located on one side of the first frame along a first direction and includes at least one first limiting member. The limiting direction of the first limiting member is parallel to a second direction, where the first direction is the height direction of the first frame and the second direction is the length direction of the first frame. The supporting part is arranged opposite to the limiting part and includes a first supporting member, a rotary hinge, and a second supporting member. The first supporting member is movably connected to the first frame and can move relative to the first frame along the first direction. The rotary hinge connects the first supporting member and the second supporting member, and the second supporting member can rotate relative to the first supporting member by a preset angle with the rotary hinge as the fulcrum. This welding positioning device can improve the positioning accuracy of the manifold on the side to be welded, facilitating automated identification and welding.

The embodiment of the utility model provides a central air conditioner air supply outlet blocking device, and relates to the technical field of central air conditioners, the central air conditioner air supply outlet blocking device comprises a blocking plate, the blocking plate comprises a mounting frame used for supporting and a rotating hinge rotationally mounted in the mounting frame, and an adjusting unit is arranged in the middle of the mounting frame. A driving device drives a second bevel gear installed at the upper end to rotate, then a first bevel gear drives a connecting rod to rotate, the connecting rod drives an adjusting worm fixedly installed at the upper end to rotate and an adjusting worm wheel installed on one side in a meshed mode to rotate, and then the installation angle of a rotating hinge can be adjusted; and the inner sides of the rotating blades are arranged in an arc shape, the air direction can be guided, the air outlet direction of the air conditioner can be conveniently adjusted, and use is more flexible.

The application discloses a solar sail installation rotating hinge device, which comprises a hinge body and a sail fixator. The hinge body is provided with hinge tables at both ends, the sail fixator is provided with connecting tables at both ends, the hinge tables and the connecting tables are connected through rotating joints, the sail fixator can rotate around the hinge tables, the rotating joints are sleeved with hinge torsional springs matched with the hinge tables and the connecting tables, and one connecting table is further provided with a time sequence torsional spring at the outer end. The application is fixedly installed on the side surface of a satellite structure frame and can be reliably connected with the sail when in use. Meanwhile, the rotating joints for rotating and connecting the sail are built in the hinge body, flexible rotating connection between the sail and the satellite body is realized, and the secondary expansion requirement of the sail is supported. The hinge is further provided with a time sequence control structure to prevent interference and collision in the expansion process and prevent over-expansion or under-expansion.

The invention relates to an unwinding mechanism capable of adjusting an included angle between rollers, and relates to the technical field of material processing equipment.The unwinding mechanism comprises an upper guide roller used for supporting and guiding a flexible film; the lower guide roller is used for supporting and guiding the flexible film; the inter-roller included angle adjusting mechanism comprises an angle-adjustable support and an auxiliary swing arm, the upper guide roller is fixed to the tail end of the auxiliary swing arm, the lower guide roller is fixed to a basic support, and the auxiliary swing arm is connected with the angle-adjustable support through a rotating hinge; and the executing mechanism is used for driving the auxiliary swing arm to rotate or lift, so that the inclination angle of the upper guide roller relative to the lower guide roller is changed, the included angle between the upper guide roller and the lower guide roller is adjusted, and the material tension distribution and the belt conveying direction are controlled. According to the invention, the tension distribution of the flexible film can be accurately controlled, wrinkles can be effectively eliminated, and the belt conveying direction can be adjusted, so that the material processing quality and the production efficiency can be improved.

The utility model relates to centrifugal fan technical field especially a kind of centrifugal fan of contactless drive, including cabinet shell and internal fan, the internal fan includes fan blade, rotating shaft and magnetic suspension motor, cabinet shell both sides are equipped with quick-release door, the quick-release door is set as flip cover, the quick-release door is set in cabinet shell both sides by rotating hinge, cabinet shell inside is equipped with vertical support plate;The vertical support plate bottom is equipped with sliding block;The cabinet shell bottom is equipped with mounting plate, the mounting plate top surface is equipped with sliding slot, the sliding block is slidably arranged in sliding slot, the vertical support plate center is equipped with mounting hole, the internal fan is installed on vertical support plate by mounting hole, the rotating shaft is rotatably arranged in mounting hole, the fan blade is fixedly arranged at the front end of rotating shaft, the rotating shaft tail end is connected with magnetic suspension motor, without the whole dismounting external cabinet shell, it is convenient to maintain internal fan at any time.

A synchronous motion cracked control surface follow-up loading test device is disclosed. This device, driven by an electric motor, overcomes the shortcomings of existing cracked control surface test loading devices, such as high manufacturing and testing costs, complex electromechanical components, and the limitation to single-sided control surface loading tests. It also addresses the problems of high manufacturing and maintenance costs leading to difficulties in conducting tests, high dependence on pump stations due to hydraulic actuators, and the inability to meet actual testing requirements for loading effects. The device includes a test bench, a cracked control surface motion simulation module, and a follow-up loading module. The test bench includes a main body and casters. The cracked control surface motion simulation module includes a simulated control surface and a control surface rotation... The invention comprises a hinge, a simulated control surface base, a control surface drive mechanism, and a tilt sensor. The control surface drive mechanism includes a linear motor module, a slide table connector, a transmission hinge, a connecting rod, and a control surface transmission hinge. The servo loading module includes a servo drive mechanism, a hinge transmission mechanism, a spring loading mechanism, a servo frame, and a servo frame hinge. The servo drive mechanism includes a motor mounting base, a servo motor and its reducer, and a coupling. The hinge transmission mechanism includes a transmission hinge base, bearings, a transmission shaft, a key, and a frame connector. The spring loading mechanism includes a frame mounting base, adjusting bolts, a movable base, a loading spring, a force sensor, and a control surface base. This invention is used for servo loading tests.

The invention relates to the technical field of medical auxiliary equipment, in particular to an intramedullary supporting device for proximal humerus fracture repair, which comprises an intramedullary nail part and a sighting device, the intramedullary nail part comprises a proximal connector and a main nail, and an elastic release assembly is arranged on the proximal connector; the near-end connector is fixedly connected with an upper connecting seat, and the main nail is fixedly connected with a lower connecting seat; a rotating hinge shaft, a locking screw and a ratchet wheel hinge assembly are arranged between the upper connecting seat and the lower connecting seat, a rotating hole is formed in the upper connecting seat, and an adjusting hole is formed in the lower connecting seat; locking screw holes are formed in the upper connecting base and the rotating hinge shaft, and a plurality of locking grooves are formed in the lower connecting base. Through the separated intramedullary nail design, the ratchet wheel damping type hinge piece is combined to achieve intraoperative dynamic gradient adjustment of the main nail near end and the main nail in-vitro turning angle, and the humerus pitch screw is combined to fix the posterior inner side cortex of the humerus head so as to adapt to the anatomical difference of the individual humerus, and the fixing stability is improved.

The utility model relates to the technical field of cleaning equipment, in particular to a hinge device and a scrubber, the hinge device comprises a rotating hinge body and a connecting body, the rotating hinge body is hinged with a mopping head of the scrubber; one end of the connector is clamped with a vertical rod of the scrubber, and the other end of the connector is rotationally clamped with the rotary hinge body at a bending angle; and the vertical rod is clamped with the connecting body, so that the vertical rod is connected with a waterway and a circuit of the mop head. According to the hinge device, the vertical rod and the mop head of the scrubber are detachably connected through the connecting body and the rotating hinge body of the hinge device, meanwhile, a scrubber water pump circulating connecting pipeline and a circuit for connecting a water pump and a battery are contained in the hinge device, and the technical problem that an existing scrubber hinge device is low in maintenance and replacement efficiency is solved.

This invention relates to the field of cardiopulmonary resuscitation (CPR) technology, and more particularly to an adaptive automatic CPR compression device for emergency use. The device includes a stretcher, a hinge plate, a support frame, a mounting plate, a sliding frame, and an automatic compression mechanism. The stretcher has a scissor bracket with rollers connected to its bottom. A sliding frame is mounted on one side of the front of the stretcher via the hinge plate. The sliding frame is slidably mounted on the support frame. A motor is mounted on the outer wall of the sliding frame. The output shaft of the motor is connected to a lead screw, which is threaded onto the mounting plate. The automatic compression mechanism is mounted on the mounting plate. This invention uses a rotating hinge plate to support the support frame across the patient's chest from the left side, placing it on the right side of the stretcher and inserting it into a locking frame. The compression plate presses against the top block, causing the limiting plate to slide down the guide rod, which in turn moves the rack downwards along the slide rail, causing the gear set to rotate. This, in turn, causes the rotating shaft to rotate the clamping plate, thus automatically immobilizing the patient's limbs.

The utility model discloses a fixer for an unmanned aerial vehicle surveying instrument, which comprises a fixed support and a quick adjusting combined mounting structure mounted on the fixed support. The rapid adjustment combined installation structure comprises two pairs of rotating hinged supports, a pair of adjusting connecting frames, two pairs of fixing blocks, a pair of combined buckle frames, a pair of installation adjusting assemblies, a rotating base, a driving motor, a first bevel gear, a second bevel gear, a plurality of cushioning spring supporting rods and a pair of supporting rods. The fixing device relates to the technical field of combined fixing equipment, and has the beneficial effects that the fixing device solves the problems that most of the existing fixing devices for the surveying instrument of the unmanned aerial vehicle adopt a simple bolt fixing mode, the installation is very tedious, the installation and the disassembly are more troublesome, the fixing efficiency is lower, the adjustment is inconvenient, and the use is inconvenient. And the method is difficult to adapt to unmanned aerial vehicles of different models and sizes.

The invention provides non-equidistant multi-class special-shaped hole synchronous deburring equipment for a battery pack support. The non-equidistant multi-class special-shaped hole synchronous deburring equipment comprises a work station frame, a deburring platform, a sliding platform and a combined tool, and the sliding platform comprises a sliding guide rail supporting block, a sliding guide rail, a sliding cross beam, a detachable sliding table and a long-strip electromagnet; the combined tool comprises a tool motor, a coupler, a tool air cylinder and a deburring tool. The deburring tool comprises an upper shell, a lower shell, a stress hinge, a tool sliding block, a connecting piece, a rotating hinge, a tool rest, a limiting block, a tool blade and a tool bar. Through the special deburring equipment, the automation degree is improved, the labor cost is reduced for enterprises, and the production efficiency is improved; the combined tool can be self-adaptive to the hole diameter for machining, the structure is relatively simple, cost is low, and the combined tool is suitable for being used in large-batch production. The distance changing mechanism uses an electromagnet for positioning, and when different porous structure battery packs with very small hole distances are machined, a cutter can be used for machining in batches.

A mandibular advancement device (MAD) facilitating protrusion, retraction, translation, and rotation of a mandible is provided. The MAD comprises a fit connector, and left and right bite tray assemblies. Each bite tray assembly, mirror images of each other, comprise top and bottom bite plates, hinge plate, pin, and circumduction anchor rod. The top and bottom bite plates cradle upper and lower teeth respectively, while the hinge plate facilitates mouth opening and closing via a pin connection to the top bite plate and secure yet mobile connections to the bottom bite plate via the circumduction anchor rod. This rod, insertable into elliptical cylinder holes and semi-cylindrical depressions, allows lateral translation and rotation between connected parts. The hinge plate incorporates a flexible member for mandible protrusion and retraction, teeth-like structures to maintain minimum advancement, and a tension prong for stable fit. Adjustable-length circumduction anchor rods cater to varying mandibular advancement needs.

The utility model discloses a recoverable device for ultrahigh adjustment and temporary fixation of a pc track beam. The device is mainly composed of a jack (3), an H-shaped steel support (4), a square steel corbel (5), a limiting screw rod (6), channel steel (7), a steel base plate (8), a nut (9), an embedded steel pin cap (10), a base steel plate (11), a rotating plate (12), a pin (13), a bolt (14) and an embedded steel plate (15). The temporary fixing device is characterized in that channel steel (7) and a square steel corbel (5) are welded to form a corbel, a base steel plate (11) and an H-shaped steel support (4) form a supporting device, two rotating plates (12) and a pin (13) form a rotating hinge, the corbel is connected with the supporting device through the rotating hinge, a bolt (14) and a nut (9), meanwhile, the supporting device is connected with a pre-embedded steel plate (15) pre-embedded in a cover beam through the bolt (14), and then the temporary fixing device can be formed. The pc track beam (1) and the embedded steel pin cap (10) are slowly hoisted, the embedded steel pin cap (10) falls into the channel steel (7) on the corbel, and the pc track beam (1) is fastened on the temporary fixing device through the limiting screw (6) and the nut (9). The jack (3) is arranged below the square steel corbel (5), and the superelevation adjustment can be completed through the adjustment of the jack (3). The temporary fixing device has the advantages that the superelevation of the pc track beam (1) can be accurately adjusted, the construction precision is improved, the construction safety is high, the temporary fixing device can be repeatedly used, and the cost is saved.

The foldable golf bag rack comprises a fixing support, the front side and the rear side of the fixing support are rotationally connected with a golf bag fixing support through a rotating shaft, the golf bag fixing support is rotationally connected with a diagonal draw bar A through a rotating shaft, and the diagonal draw bar A is connected with the golf bag fixing support through a rotating shaft. The diagonal draw bar A is rotationally connected with a diagonal draw bar B through a rotating shaft, the diagonal draw bar B is rotationally connected with a bracket cross bar through a rotating shaft, and the bracket cross bar is rotationally connected with a bracket side bar through a rotating shaft. According to the utility model, the fixed bracket, the golf bag fixing bracket, the diagonal draw bar A, the diagonal draw bar B, the golf bag bracket, the bracket cross rod, the bracket side rod, the locker, the rotary hinge and the golf bag fixing frame are matched for use, so that the problems that the golf bag occupies a large vehicle area and the riding space of vehicle personnel is reduced are solved.