169 results about "Fixed hinge" patented technology

The invention discloses a roller screw external thread grinding force measuring method. The method comprises the steps that a to-be-measured screw is installed on an external thread grinding machine tool in the mode that the to-be-measured screw is clamped by tips at the two ends of the machine tool; the two mechanical sensors are installed at the center position right facing the lead screw to be measured and face the normal grinding force direction and the tangential grinding force direction respectively; a to-be-measured lead screw clamped by double tips is regarded as a simply supported beam structure of which one end is fixed and hinged and the other end is movable and hinged, a mechanical sensor is regarded as an elastic support, a mechanical model is established, and the relationship among the measurement result of the mechanical sensor, an actual method and tangential grinding force at different grinding positions is obtained; and according to the measurement result of the mechanical sensor, the actual method and the tangential grinding force are obtained by utilizing the relation between the measurement result of the mechanical sensor at different grinding positions and the actual method and the tangential grinding force, and the actual grinding force is obtained after vector superposition. The device has the characteristics of clear and definite measurement principle, accurate and reliable measurement result, simple structure and convenience in assembly.

The utility model discloses a shallow sea seaweed planting platform and relates to the technical field of marine ecological restoration. Comprising a traction ship, an offshore platform, a mesh belt reel, a seed mesh belt, compression rollers, degradable nails and supporting rods. The traction ship is connected with the offshore platform and can drive the offshore platform to move; the mesh belt reel is fixedly mounted on the offshore platform, the seed mesh belt is wound on the mesh belt reel, and the degradable nails are used for fixing one end of the seed mesh belt on the seabed in a needle pricking manner; one end of each supporting rod is in hinged connection with the offshore platform through a fixed hinge point, so that the supporting rods can rotate around the corresponding hinge points, the supporting rods rotate in a plane, and the net belt reel and the rotating plane are coplanar; and a compression roller is arranged at the other end of the supporting rod and can rotate on the corresponding end point of the supporting rod. The planting efficiency is improved, manual operation is partially replaced, and the operation process is simplified.

This utility model discloses an improved automotive door hinge assembly, including a fixed hinge, an opening hinge, an elastic element, and a pivot. The fixed hinge has a connecting seat, the opening hinge has a connecting arm, and the pivot is located at the connection between the connecting arm and the connecting seat. The fixed hinge has a limiting element that restricts the rotation angle of the opening hinge, and the limiting element includes a connecting rod. The connecting seat has an arc-shaped groove that slides with the connecting rod. The beneficial effects are as follows: When the protrusion of the sliding block slides with the groove, a large force is required to make the relative displacement between the sliding block and the damping block occur because the sliding block and the damping block are tightly engaged. When the sliding block and the damping block are disengaged, the resistance experienced by the sliding block is reduced, so the sliding of the sliding block in the sliding cavity is smoother. This application achieves that the resistance is large when the car door is first opened, and the resistance decreases when the car door is opened to a certain angle.

The auxiliary support comprises a bottom plate, one end in the bottom plate is rotationally connected with a fixed hinge shaft, the two sides of the fixed hinge shaft are hinged to one ends of movable connecting rods respectively, and the other ends of the movable connecting rods are rotationally connected with the two ends of a movable hinge shaft respectively. The middle of the supporting shaft is fixedly connected with a connecting base, one end of the connecting base is fixedly connected with one end of a threaded rod, and the other end of the threaded rod is connected with one end of an inner threaded cylinder in a sleeved mode through a threaded structure. The other end of the internal thread cylinder is rotationally connected with a clamping block, the clamping block is clamped and matched with a clamping groove, and the clamping groove is concavely formed in the middle of the top surface of the bottom plate; sliding openings are formed in the two sides of the bottom plate respectively, adjusting bases are slidably arranged in the sliding openings, one ends of the adjusting bases are hinged to one ends of supporting connecting rods, and the other ends of the supporting connecting rods are hinged to one sides of movable connecting rods respectively.

The utility model discloses a hinge mechanism for a window and a ship window, which comprises a fixed hinge seat and a movable hinge plate, the fixed hinge seat is fixedly connected with a window frame, the movable hinge plate is fixedly connected with a window leaf, the movable hinge plate is rotatably connected to the fixed hinge seat through a pin shaft, and the hinge mechanism also comprises a locking assembly, the locking assembly is used for achieving locking of the window sash. Compared with the prior art, through the arrangement of the locking assembly, the window sash can be effectively locked, the situation that the window sash is blown by wind to be collided and damaged is avoided, the structure is simple, and operation is convenient.

This utility model relates to the technical field of vehicle protection devices, specifically disclosing a folding bracket for a protective grille. It includes fixed hinges, a locking mechanism, a folding post, and a folding crossbeam. Several fixed hinges are fixedly installed on the vehicle body surface, with a locking mechanism hinged to each hinge. A folding post is installed on the locking mechanism, and a folding crossbeam is provided above the folding post, hinged to the folding post. By providing the locking mechanism and fixed hinges, the protective grille can be folded down when needed by the folding action of the folding post, thereby lowering the position of the folding crossbeam and the protective grille on it. The folding post and locking mechanism are connected by a socket joint, allowing for quick replacement if the folding post, folding crossbeam, or protective grille is damaged.

The utility model relates to a tension test device for detecting the bonding strength of a concrete block. The utility model is suitable for the technical field of tension test equipment. The technical problem to be solved by the utility model is to provide the tension test device for detecting the bonding strength of the concrete block. According to the technical scheme, the tension test device for detecting the bonding strength of the concrete block comprises a support, a tension test device and a tension test device, the horizontal hydraulic cylinder is arranged on the support, the output end of the horizontal hydraulic cylinder is connected with a lifting lug through a lifting shaft, and the horizontal hydraulic cylinder is connected with a first test concrete block through the lifting lug; the fixed hinged support is arranged on the support, the fixed hinged support is connected with the lifting lug through the lifting shaft, the fixed hinged support is connected with a second test concrete block through the lifting lug, and the first test concrete block and the second test concrete block are bonded through a binder; the control cabinet is arranged on the adjacent side of the support and used for controlling opening and closing of the horizontal hydraulic cylinder.

The water-rich tunnel water inflow dynamic monitoring device comprises a water guide pipe, a supporting rod and a horizontal rod, a fixed hinge shaft is arranged on the pipe wall of the water outlet end of the water guide pipe, the first end of the supporting rod is hinged to the water guide pipe through the fixed hinge shaft, and the first end of the supporting rod is further fixedly connected with an angle measuring scale. A sliding groove is formed in the supporting rod in the length direction, a sliding hinge shaft is connected into the sliding groove in a sliding mode, and one end of the horizontal rod is hinged to the supporting rod through the sliding hinge shaft. When the water inflow of different positions is monitored, the angle of the water guide pipe can be flexibly adjusted, the adjusted angle can be directly read through the angle measuring scale, the device can be rapidly suitable for monitoring the water inflow of drill holes in different positions in a tunnel, especially the water inflow which is difficult to measure such as non-horizontal drill holes, the water inflow is dynamically monitored in real time, the flexibility is high, and the measurement accuracy is high. Operation is simple, and the application range is wide.

A folding sliding door system is applied to a cabinet body with an opening, an upper guide rail is installed at the top of the opening of the cabinet body, and the system comprises a first door body, a second door body and a sliding door, one side of the second door body is connected with the other side of the first door body through a hinge in a swinging mode, and the guide pulley block is installed on the top of the other side of the second door body and connected with the upper guide rail in a sliding mode. The sliding type sliding door has the beneficial effects that the advantages of two opening and closing modes of a sliding door and a sliding type sliding door are combined. By means of the linkage mode of folding first and then sliding, the opening of the whole cabinet body can be completely exposed, and the full-opening effect of the cabinet door is achieved. According to the core advantage, the problem that the opening degree of a traditional sliding door is limited is thoroughly solved, a user does not need to be limited by half or less opening width any more, and objects, including large objects, at any position in the cabinet can be easily stored and taken out without obstacles.

The utility model relates to the technical field of electronic sphygmomanometers, in particular to a rotating shaft structure for an electronic sphygmomanometer, which comprises a base, a rotating shaft component and a movable component, a hinge groove is arranged on one side of the base, hinge mounting tables are arranged on two sides of the hinge groove, and the rotating shaft component comprises a fixed hinge, a movable hinge and a damping rotating shaft. The fixed hinge is connected with the movable hinge through a damping rotating shaft, and the fixed hinge is arranged on the hinge mounting table; the movable assembly comprises a movable shell and a movable connecting base, the movable shell is provided with a rotating shaft connecting table, one end of the movable connecting base is connected with the movable hinge, and the other end of the movable connecting base is connected with the rotating shaft connecting table. Multiple technical effects of stable supporting, stable movement, accurate control, high flexibility, high stability and the like are achieved.

An automatic flip-top device for a rolled sample bar insulation box is used to automatically flip the insulation box of the rolled sample bar at the sampling station of the bar rolling production line. The device includes a fixed hinge motor (1), a dual output shaft reducer (2), a first connecting rod (3), a power mounting base (4), a movable hinge motor (5), a reducer (6), a clutch (7), a joint shaft (8), a second connecting rod (9), an electromagnet mounting base (10), and an electromagnet (11). The beneficial technical effects of the automatic flip-top device for a rolled sample bar insulation box of the present invention include: (1) By energizing and de-energizing the clutch, the joint can be switched between an active joint and a passive compliant joint, so that the flip-top device has better adaptability to the size and placement error of different insulation boxes, and the flip-top action is more stable and smooth; (2) The entire flip-top device can be folded and stored to reduce space occupation when waiting for work or when idle.

The invention discloses a broadband piezoelectric energy harvesting system based on multi-frequency cooperative resonance and a power generation method. The system comprises a fixed support, a main resonance subsystem and at least two secondary resonance subsystems. The main resonance subsystem comprises a main elastic beam component and a first piezoelectric conversion element fixedly coupled to the main elastic beam component; each secondary resonance subsystem comprises a secondary elastic beam member and a second piezoelectric conversion element fixedly coupled to the secondary elastic beam member. The near end of the main resonance subsystem is connected to the fixed support through a fixed hinge; the near ends of the sub-resonance subsystems are connected to the fixed support in parallel through movable hinges. The far end of the secondary resonance subsystem can be selectively connected to the fixed support through a fixed hinge or a movable hinge. And the main resonance subsystem and each secondary resonance subsystem are independently configured with inherent frequencies to form a multi-frequency-point resonance structure. Through the main-secondary multi-frequency-point parallel cooperative resonance design, the system can effectively respond under wide-spectrum fluid excitation, and the working frequency band range of energy capture is remarkably widened.

A push-pull folding cabinet door system comprises a cabinet body, the front end of the cabinet body is provided with an opening, the top of the opening is provided with an upper hanger rail, and the bottom of the opening is provided with a lower guide rail; one side of the first door body is mounted on the cabinet body through a fixed hinge, so that the first door body can swing to be opened and closed relative to the cabinet body; the other side of the first door body is connected with one side of the second door body through a hinge, and the first door body and the second door body can swing relative to each other and be folded to open the cabinet door. The top of the other side of the second door body is provided with a hanging door pulley block connected with the upper hanging rail, and the bottom of the other side of the second door body is provided with a guide pulley block connected with the lower guide rail. The beneficial effect of the invention is that the full-open effect of the cabinet door is realized. The problem that the opening degree of a traditional sliding door is limited is thoroughly solved, a user can easily store and take articles at any position in the cabinet without obstacles, and the utilization efficiency of the space in the cabinet and the taking and taking convenience are greatly improved.

The present application relates to a kind of large-scale icebreaking structure model with floating ice simulation test device, including base platform, several pressurizing mechanisms are fixed with interval on the top of base platform, pressure is applied to typical icebreaking structure by pressurizing mechanism;The structure of single pressurizing mechanism is as follows: including electro-hydraulic servo loading actuator, the output end of electro-hydraulic servo loading actuator is connected with the working end surface of input pressure head, input pressure head is rotatably installed with the one end of lever beam, the other end of lever beam is rotatably installed with output pressure head, the working end surface of output pressure head is fixed with the top end surface of distribution beam, the two ends of distribution beam bottom end surface are respectively matched with fixed hinge support and sliding support installation.Can be used to simulate the stress state of typical icebreaking structure of underwater vehicle under the condition of floating ice, collect the strain response data and deformation response data of typical icebreaking structure under the action of distributed ice load, obtain the ultimate bearing capacity failure pressure and failure mode of typical icebreaking structure.

The utility model relates to the technical field of logistics equipment, in particular to a code scanning frame for counting of an ERP inventory system, which comprises a base, a host, a rotating plate and a sleeve plate, a support is connected onto the base, a supporting table is horizontally connected onto the support and above the base, a weighing table is mounted at the top of the supporting table, and the rotating plate and the sleeve plate are arranged on the base. The top of the support is provided with a code scanning camera corresponding to the weighing platform, the code scanning camera and the weighing platform are both in communication connection with the host, a plurality of fixed hinge lugs are arranged at the front end of the supporting platform in the left-right direction, and the fixed hinge lugs are arranged close to the front side edge of the weighing platform. One side of the rotating plate is fixedly connected with a plurality of movable hinge lugs, the plurality of fixed hinge lugs are respectively hinged with the plurality of movable hinge lugs, and the sleeve plate is sleeved on the periphery of the rotating plate in a sliding mode. According to the utility model, the conventional code scanning weighing machine is improved, heavy objects are convenient to push, and the occupied area is not increased.

The application discloses a portable fluorescence detector for rapid detection, which comprises a box body and a top cover. A fixed hinge is arranged between the box body and the top cover. A control panel and an observation port are arranged on the outer surface of the top cover. The observation port is provided with an upper filter, which is used for observing the inside of the box body. A hole plate is arranged in the box body. The front end of the hole plate is provided with a guide rail. The surface of the guide rail is provided with a first sliding block and a second sliding block. The fluorescence of the sample in the sample cell can be directly detected through the dichroic mirror, the filter support and the laser structure. The detection method is simple and convenient to adjust. The structure is divided into three parts. When the position is wrong, the user can adjust it by himself without repeated maintenance and fine adjustment.

The utility model relates to a flap door hinge which comprises a fixed seat and a movable seat, a fixed hinge seat is arranged on the fixed seat, a hinge assembly is connected between the fixed hinge seat and the movable seat, and the hinge assembly comprises a hinge seat, a connecting rod and a swing arm. The rear end of the fixed hinge seat is movably hinged to the rear end of the hinge seat through a connecting rod, a movable hinge seat is arranged in the middle of the hinge seat, and the movable hinge seat is movably hinged to the front end of the fixed hinge seat through a swing arm; a transverse adjusting structure and a longitudinal adjusting structure are arranged at the front end of the hinge seat, an adjusting matching part matched with the transverse adjusting structure is arranged on the movable seat, and the longitudinal adjusting structure acts on and abuts against the movable seat; when the hinge is installed, the position of the flap door can be flexibly adjusted, so that the flap door can be tightly matched with the cupboard, and the quality and the grade of the cupboard are improved.

The application discloses a kind of eccentric hinge arc door support hinge pre-assembly methods, belong to eccentric hinge arc door technical field, including selecting site, burying foundation plate, installation adjustment pre-assembly device and detection qualified, install auxiliary support, assemble two fixed hinge bases, check each reference edge, center line and hole position deviation qualified, connect fixed hinge base and main base bolt, detect the coaxiality deviation qualified of the center of four shaft holes of two hinge bases without bearing cover, assemble hinge base bearing cover, detect the coaxiality deviation qualified of the center of four shaft holes of two hinge bases, make the alignment mark of hinge base and pre-assembly device, remove hinge base bearing cover and assemble movable hinge base, eccentric shaft and bearing, assemble movable hinge base, adjust eccentric angle of eccentric shaft consistent, install crank arm and coupling, adjust movable hinge base and detect center line qualified, eccentric action test.The application can solve the problem of positioning precision of eccentric hinge device assembly without support girder, and can improve the safety, accuracy and one-time qualified rate of assembly work.

The utility model discloses an automatic hose discharging device, which relates to the technical field of hose filling and sealing machines and comprises a machine body, a turntable and a hose discharging mechanism, the turntable and the hose discharging mechanism are arranged on the machine body, a plurality of hose storage blocks are arranged on the turntable, a support is arranged in the machine body, a first motor is arranged on the support, and a second motor is arranged on the first motor. The center of the rotating disc is connected to an output shaft of the first motor, at least three sets of fixed hinged supports are arranged in the machine body, a second motor is arranged on one set of fixed hinged supports, rotating shafts are arranged on the other sets of hinged supports, a driving chain wheel is arranged on an output shaft of the second motor, and an ejection mechanism is arranged on each rotating shaft. The ejection mechanism and the driving chain wheel are connected with a chain in a matched mode. According to the automatic hose discharging device provided by the utility model, at least two groups of ejection mechanisms are arranged, so that hoses in two adjacent hose storage blocks are ejected to the hose discharging mechanism and then are conveyed out of the device.

The present application relates to a movable seat unit, comprising a handrail side plate (1) supported on the ground; a mechanical stretching device (2) comprising a seat frame (21) for attaching a seat part, a backrest assembly (22) arranged at the rear of the seat frame (21) for attaching a backrest, and a leg stretching device (23) pivotally connected to the front of the seat frame (21), wherein a guide rail (11) extending in the front-rear direction of the seat unit is arranged on the handrail side plate (1), and the seat frame (21) is slidingly connected with the guide rail (11); the lower end of the backrest mounting member is pivotally connected with the rear of the seat frame (21), and the lower end of the follow-up connecting rod (222) is pivotally connected to a fixed hinge point relative to the position of the handrail side plate (1), so that when the seat frame (21) slides forward, the pivot point of the lower end of the backrest mounting member and the rear of the seat frame moves forward. In addition, the present application also relates to a movable seat.

A self-return hinge for a shower room belongs to the technical field of hinges and comprises a fixed part and a movable part which are hinged to each other. The fixing part comprises a fixing pressing plate and a fixing hinge, and the fixing pressing plate and the fixing hinge are oppositely arranged to form a clamping area for fixing the partition; the movable component comprises a movable pressing plate, a movable hinge, a buffering mechanism and a hinge shaft. The movable pressing plate and the movable hinge are oppositely arranged to form a clamping area of the movable shower door. A connecting base is arranged on a movable hinge, a hinge cavity and a second hinge hole are machined in the connecting base, a buffer mechanism and the connecting base are installed in a matched mode, then a fixed hinge and the movable hinge are hinged through a hinge shaft, a fixed pressing plate and the fixed hinge are oppositely arranged, and a movable pressing plate and the movable hinge are oppositely arranged. Parts of the hinge are more convenient to machine and assemble, the difficulty is reduced, the machining and assembling efficiency of the hinge is improved, and the production cost is reduced.

The invention provides equipment and a method for manufacturing a PET transfer glass fiber plate mobile phone back shell, and relates to the technical field of glass fiber plate coating, the equipment comprises a main frame, a telescopic seat, a driving screw rod and a glue storage tank, a fixed page plate is rotatably mounted on the surface of the driving screw rod, a transmission shaft is rotatably mounted at the tail end of the fixed page plate, and a rotating shaft is rotatably mounted at the tail end of the transmission shaft; the roller body is fixedly mounted at the tail ends of the two transmission shafts, each overturning assembly is arranged in the roller body and comprises an arc-shaped lining plate, a hollow pipe and a mounting plate, a plurality of glue spraying pipes are fixedly mounted at the tail end of each mounting plate, and the roller body serves as a rolling execution part. A glue spraying turnover assembly is integrated inside, and the control box drives the transmission shaft to enable the roller body to rotate to achieve rolling; and meanwhile, the driving lead screw drives the fixed hinge plate to slide and is matched with the arc-shaped lining plate to rotate out of the mounting plate, the glue spraying pipe sprays glue synchronously, glue spraying and rolling executing mechanisms are integrated, and the machining speed is increased.

The application relates to a hinge structure and a door assembly. The hinge structure comprises a fixed hinge side, a movable hinge side, a connecting shaft and a dustproof shaft sleeve. The fixed hinge side comprises a first plane part, a first shaft sleeve part and a second shaft sleeve part. The first plane part comprises a first surface and a second surface. The movable hinge side comprises a second plane part and a third shaft sleeve part. The second plane part comprises a third surface and a fourth surface. The connecting shaft passes through the first shaft sleeve part, the second shaft sleeve part and the third shaft sleeve part in sequence. In a closed state, the included angle between the first plane part and the second plane part is 180 DEG. The first plane part and the second plane part are arranged on the two sides of the connecting shaft. A stepped surface is formed between the first plane part, the first shaft sleeve part and the second plane part. In an open and closed state, the included angle between the second plane part and the first plane part is less than 180 DEG. The movable hinge side approaches the first surface and rotates.

The locking device (10) for immobilizing a hinge between a shell (2) and a cuff (3) of a sports shoe (1) includes an immobilizing element (22) mobile between an immobilizing position and a release position, and a blade (12) intended to cooperate with the immobilizing element to immobilize the hinge when the immobilizing element is in the immobilizing position, the immobilizing element including a first guide surface (53) and the blade including a second guide surface (54), the first guide surface cooperating with the second guide surface to guide movement of the blade relative to the immobilizing element when the immobilizing element is in the release position and the cuff pivots relative to the shell.

The invention discloses an air suspension device of an automobile and a control method, the air suspension device comprises a frame, the frame extends in the length direction of the automobile, plate spring assemblies are arranged at the left and right positions of the bottom end of the frame, and the two ends of each plate spring assembly are connected with the frame through fixing hinges; and the rear axle is transversely arranged below the frame and is fixedly connected with the plate spring assembly through a U-shaped bolt, and the two sides of the rear axle in the length direction are rigidly connected with the bottom frame assembly in a cohesive mode. The two bottom frame assemblies are symmetrically installed in the length direction of a shell of the rear axle, the vertical beams and the air springs are installed between the upper ends of the bottom frame assemblies and the external expansion type arched longitudinal beams at the top end of the vehicle frame so as to be matched with the plate spring assemblies between the rear axle and the vehicle frame, and the hydraulic damping assemblies in the vertical posture are installed on the left sides and the right sides of the vertical beams correspondingly. The four hydraulic damping assemblies are additionally arranged at the two ends, and on the basis that the damping effect of a vehicle is improved, the problems of space interference and motion interference when a traditional composite suspension is additionally provided with a damper are solved.

The utility model discloses a warehouse logistics carrier which comprises an AGV body with a loading platform arranged on the top, a guardrail is arranged on the loading platform, and a lifting mechanism surrounded by the guardrail is arranged on the loading platform. The lifting mechanism comprises two-way lead screws, the two-way lead screws comprise the first lead screw and the second lead screw, the first lead screw is in threaded connection with a first lead screw nut, the second lead screw is in threaded connection with a second lead screw nut, and a working hole is formed in the loading platform. A first fixed hinge plate, a first movable hinge plate, a second fixed hinge plate and a second movable hinge plate are arranged in the working hole, one end of the first fixed hinge plate is hinged to the AGV body, the other end of the first fixed hinge plate is hinged to the first movable hinge plate, one end of the second fixed hinge plate is hinged to the AGV body, and the other end of the second fixed hinge plate is hinged to the second movable hinge plate; and one end of the bidirectional lead screw is in transmission connection with a power assembly. The logistics carrier has the characteristics of falling prevention and convenience in carrying, and is complete in overall function and high in practicability.

The present disclosure provides a foldable display, an apparatus of which includes a first support plate and a second support plate, a display panel disposed on the first support plate and the second support plate, and a hinge assembly disposed between the first support plate and the second support plate, the hinge assembly including a hinge arm, a gear arm coupled to the hinge arm, an inner frame disposed below the hinge arm and the gear arm and fixing the hinge arm and the gear arm, a hinge housing accommodating the inner frame, the hinge arm, and the gear arm below the inner frame, and a foreign matter prevention element inserted between the hinge housing and the inner frame and connected to the hinge arm to operate with folding of the hinge arm when the hinge arm is folded.

The utility model belongs to the field of textile equipment, propose a kind of high capacity's warping machine, including warp beam, cylinder, support rack, transmission control machine case, wiring hole and tension device, the tension device includes two fixed hinge support, two upper and lower staggered distribution tension rollers are provided between the fixed hinge support, the both ends of the tension roller are provided with spring support mechanism, two rows of wiring holes and two tension rollers are one-to-one corresponding cooperation in upper and lower and used to transmit two rows of yarn, the roller face of the tension roller is provided with self-balancing component, the self-balancing component includes two fixed plates symmetrically arranged on the tension roller, the outside of the fixed plate is provided with multiple elastic plates distributed along its length direction. The utility model is reasonable in design, overall arrangement in the warp beam direction of warping machine, for controlling the winding tension performance of warping machine warp beam and conducive to guaranteeing yarn quality, suitable for large-scale promotion.

The invention relates to the technical field of hinge beam aperture measurement, in particular to a hinge beam aperture measurement device which comprises a moving platform, a square plate is mounted in the middle of the upper end of the moving platform through an adjusting set, a detection unit is mounted on the left side of the front end of the square plate, a positioning unit is mounted on the detection unit, and a supporting unit is mounted on the right side of the front end of the square plate. By arranging the movable platform and the adjusting set, the device can be directly pushed to approach the hinge beam and adjust the height of the reference shaft, and the hinge beam does not need to be transferred or fixed by hoisting equipment; meanwhile, the center line of the reference shaft and the center line of the pin shaft hole are collinear, and the reference shaft is provided with a plurality of distance measuring groups, so that the aperture, roundness and coaxiality of a plurality of pin shaft holes in the same side of the hinge beam can be synchronously detected, the detection efficiency is remarkably improved, the right end of the reference shaft can be supported in an auxiliary manner, and the detection precision is improved. It is ensured that the reference shaft always keeps horizontal arrangement, and shaking or deviation of the reference shaft caused by overlong cantilever in the measurement process is avoided.

The utility model provides a hinge device and refrigeration equipment, and the hinge device comprises a fixed hinge part used for being fixed on a box body, a movable hinge part used for being fixed on a door body, a connecting rod assembly for connecting the movable hinge part to the fixed hinge part, and a door closer arranged on the movable hinge part, the connecting rod assembly has a folded state and an unfolded state; the door closer comprises a fixed block and an elastic piece, one end of the elastic piece abuts against the fixed block, the fixed block is fixed to the movable hinge piece, and the other end of the elastic piece moves along with switching of the connecting rod assembly between the folding state and the unfolding state. The elastic piece has the original shape state when the connecting rod assembly is in the folded state and the deformation state when the connecting rod assembly is in the unfolded state, so that the door closer has the effect that the connecting rod assembly is kept in the folded state. According to the hinge device, the door closer is arranged on the movable hinge piece, and the thickness of the connecting rod assembly can be reduced.