364 results about "Single support" patented technology

A hitch-mounted carrier system is provided. The system includes a single support member that can engage with a hitch receiver of a vehicle, and a carrier component that can carry at least one item. The single support member includes a hitch mounting section having a mounting bar that can be received within a passage defined by the hitch receiver of the vehicle, and a beam pivotably mounted to the hitch mounting section, where the beam includes at least one mounting area. The single support member further includes a handle secured to the rear end of beam, where the handle can be grasped for moving the beam between multiple positions, and a bumper connected to the beam that maintains the rear end of beam above a ground surface when the beam is tilted. The carrier component is attached to the beam at the at least one mounting area.

The invention discloses a pressure air tightness test fixture for a rectification bearing casing and a use method, the test fixture comprises a bottom plate and a cover plate connected to the upper space of the bottom plate through a B-level equal-length double-end stud, the bottom plate and the cover plate are respectively provided with a first sealing ring and a second sealing ring in a matched manner, and the cover plate is provided with a plurality of screw holes; a first pressing plate and a second pressing plate are fixed between the bottom plate and the cover plate through an arch-shaped frame and a C-shaped hexagonal head compression screw, a first sealing gasket and a second sealing gasket are arranged on the first pressing plate and the second pressing plate in an attached mode respectively, and an adapter nozzle is connected to the first pressing plate. The fixture realizes the pressure airtightness test of the whole part welding seam, solves the prominent problem of low efficiency of single support plate welding seam one-by-one test, and improves the pressure airtightness test quality and the part processing efficiency.

A low-speed, large-scale, side-unloading mining dump truck capable of lateral travel. The dump truck comprises wheels, a cargo compartment, a chassis, a cab, an engine, and a driving transmission mechanism. Two axles are mounted on a single support, a turntable is installed at the upper end of the support and is connected to the chassis, and the axles, the support, the turntable, and wheels form a support unit that enables angle adjustment of the wheels relative to the chassis. A plurality of support units are arranged and mounted on two sides of the chassis. A drive mechanism for synchronously rotating the supporting units and a driving transmission mechanism for the whole vehicle are mounted on the chassis. A plurality of hydraulic cylinders for sideward tilting and lifting of the cargo compartment are installed between a lateral middle part of the chassis and a lateral middle part of the cargo compartment. Hinge mechanisms are provided on two sides of the cargo compartment and the chassis, and configured to alternately hinge and unhinge the cargo compartment relative to the chassis. The beneficial effects of the present invention lie in overcoming the challenge of side unloading for a dump truck and removing constraints on the length and width of the vehicle compartment of the dump truck.

The utility model relates to the technical field of coal mine machinery, in particular to a roof-cutting pressure relief device for a coal mine, which comprises a machine body and a traveling mechanism arranged below the machine body, a drill arm unit is arranged above the machine body, a propelling mechanism is fixed at the free end of the drill arm unit, and the propelling mechanism is used for propelling a drill rod to move; the supporting mechanism is used for jacking up the whole machine body and keeping balance in the drilling operation, so that the working position stability of the drill rod is guaranteed, the hole site forming quality is improved, meanwhile, due to the balance assembly, the supporting stability of the machine body can be guaranteed in the complex environment of a coal mine, and the drilling efficiency is improved. Compared with a traditional hydraulic cylinder telescopic supporting mode, the structure can effectively solve the problems that a machine body shakes and the punching precision is affected due to the fact that a single supporting leg is suspended, the overall structural design is simple and reasonable, and the adaptability of drilling operation is improved.

The invention belongs to the field of medical examination equipment, and provides a medical examination sampling device and a use method.The medical examination sampling device comprises a sampling table, a fixed baffle is fixedly installed on the edge of the upper surface of the sampling table, an operation window is formed in the bottom of one end of the fixed baffle, and a fixed groove is formed in the middle of the top end of the sampling table; the conveying mechanism comprises supporting rollers, the supporting rollers are symmetrically and rotationally installed on the two side edges of the inner wall of the fixing groove, the outer surfaces of the supporting rollers are sleeved with a conveying belt, a stepping motor is installed in the middle of one end of each supporting roller, positioning assemblies are arranged on the outer surface of the conveying belt at certain intervals, and limiting clamping pipes are installed on the portions, in the positioning assemblies, of the outer surface of the conveying belt. By means of the automatic separating and collecting structure (the connecting rotary disc, the fixing clamping sleeve and the collecting box), non-contact recycling of blood sampling parts is achieved, direct contact between medical workers and blood samples and sharp tools is reduced, and occupational exposure risks are remarkably reduced.

The utility model discloses a bird nest type rotary storage device which comprises a backboard lifting device, a backboard lifting device a and a disc storage device, the backboard lifting device and the backboard lifting device a are the same in structure, the two sides of the backboard lifting device and the backboard lifting device a are respectively provided with a front face and a back face, and the backboard lifting device and the backboard lifting device a are inserted into the disc storage device formed by stacking multiple layers of disc plates at intervals. And bracket supporting tables and double rows of bracket supporting tables are alternately arranged on the circumference of the disc plate. When the front / back surfaces of the lifting plates are opposite, double rows / single supporting tables are respectively accommodated, single and double rows of sample box access areas are formed, and the space utilization rate and the access efficiency are improved. And the backboard is bent to form an isosceles mounting opening and a limiting structure, and is matched with a wire slot for storing the disc and a storage opening to realize quick disassembly and assembly, so that the maintenance cost is reduced. Through modular design and structural optimization, the problems that the storage disk is inconvenient to disassemble, insufficient in space and the like are solved, and the storage disk has the advantages of being flexible to disassemble and assemble, low in cost, high in storage efficiency and the like.

The invention provides a magnetic drive pump with a single supporting shaft, and belongs to the technical field of pumps. The technical problem that an existing magnetic pump is prone to leakage is solved. The single-supporting-shaft magnetic drive pump comprises a pump shell, a motor shell, a stator assembly, a rotor assembly and an impeller, a first shielding sleeve and a second shielding sleeve are fixedly connected between the pump shell and the motor shell in a sealed mode, the first shielding sleeve is sunken to form a concave cavity opposite to a containing cavity in the radial direction, the concave cavity is communicated with an inlet, and the rotor assembly is located in the concave cavity; the first shielding sleeve is located at the bottom of the concave cavity and protrudes to form a first supporting part coaxial with the concave cavity back to an opening of the concave cavity, a first supporting groove is formed in the first supporting part, an opening of the first supporting groove faces the concave cavity and is communicated with the concave cavity, and a supporting shaft is fixedly connected in the first supporting groove; the end, away from the first supporting groove, of the supporting shaft is embedded into the rotor shaft sleeve and slidably connected with the rotor shaft sleeve. It is guaranteed that the impeller can enter the inlet more smoothly, and the supporting shaft can better support the impeller to rotate.

The utility model relates to the technical field of construction measurement, and discloses a construction measurement device which comprises a stand column, the outer wall of the stand column is sleeved with a movable ring, the outer wall of the movable ring is fixedly connected with a plurality of hinge seats, the outer walls of the hinge seats are rotatably connected with supporting legs, and the inner walls of the supporting legs are slidably connected with movable rods. Adjusting mechanisms used for driving the movable rods to stretch out and draw back are installed on the outer walls of the supporting legs, the multiple movable rods can be rapidly driven to stretch out and draw back on the inner walls of the supporting legs through the adjusting mechanisms on the multiple supporting legs, and then the overall length of the single supporting leg and the overall length of the movable rods are adjusted. Therefore, each supporting leg of the device can be lengthened or shortened according to different terrains, the measuring device is kept in a horizontal state, and the measuring accuracy is improved.

The utility model discloses a surveying support for engineering planning, which belongs to the technical field of surveying supports and comprises a platform, a rotary table is mounted at the top of the platform and can rotate at the top of the platform, a bolt hole for mounting a surveying tool is formed in the top of the rotary table, a rotating shaft is rotatably connected to the side edge of the platform, and a fixing frame is fixedly connected to the side edge of the rotating shaft. The telescopic process of a single supporting leg can be achieved through the internal structure, so that the supporting height of a unit part of equipment is increased, the relative position of the fixing frame and the extending foot stool support can be controlled according to the horizontal state of the maintaining platform on a concave-convex road surface, and the supporting effect of the supporting leg is improved. And after use is finished, the extension foot stool can be independently separated from and attached to the side edge of the fixing frame, the extension foot stool can be conveniently and subsequently carried and transported by personnel, the whole equipment does not need to be replaced, the maintenance cost of the equipment is reduced, and maintenance is convenient.

The utility model discloses a semispherical tent with a simplified structure. The semispherical tent comprises a semispherical framework formed by a bottom ring and a plurality of supporting rings installed on the bottom ring. The plurality of supporting rings are divided into a first group of supporting rings, a second group of supporting rings, a third group of supporting rings and a fourth group of supporting rings which are sequentially arranged from bottom to top and are the same in size; a piece of tent cloth can be mounted on the outer surface of the hemispherical framework in a matched manner, and an inlet / outlet is formed in the tent cloth; the first group of support rings comprises eight first support rings; the second group of support rings comprises four second support rings; the third group of support rings comprises four third support rings; the fourth group of support rings comprises a fourth support ring; the fourth supporting ring is located on the top of the hemispherical framework. According to the utility model, the structure is simplified, the hemispherical framework is only provided with two rings with different sizes, such as the bottom ring and the support ring, so that the assembly of the framework is simpler, the single support ring can be conveniently replaced by other support rings after being damaged, and the use is convenient.

The invention provides a building stair structure system, and relates to the technical field of stair structures, the building stair structure system comprises a building, a single-column supporting structure and a stair assembly, the building comprises a multi-layer building platform, and the side edge of the building platform is provided with a first supporting structure; the single-column supporting structure comprises a supporting column, a plurality of second supporting structures and a connecting structure; the stair assembly comprises a plurality of connecting platforms, a plurality of transition platforms and a plurality of stair sections, the connecting platforms are connected with the corresponding first supporting structures, the transition platforms are connected with the corresponding second supporting structures, and the adjacent connecting platforms and transition platforms are connected through the stair sections in the height direction. Through the synergistic effect of the single supporting column and the building, double-side supporting of the staircase is achieved, a stable bearing system is formed, compared with an existing four-leg frame type steel ladder, steel is saved by about 50%, space conflicts with existing facilities on the side face of the building are effectively avoided, and the staircase has the advantages of being flexible in arrangement, convenient and fast to construct, high in adaptability and the like.

The utility model discloses an intracranial thrombus extraction auxiliary support, which belongs to the technical field of supports for cerebral thrombosis operations, and comprises a thrombus extraction support, the thrombus extraction support comprises a sleeve, a connecting component is arranged in the sleeve, one end of the connecting component is fixedly connected with a support main body, the support main body comprises an outer support and an auxiliary support, and the outer support is fixedly connected with the auxiliary support. One end of the outer support and one end of the auxiliary support are both fixedly connected with one end of the connecting assembly, a catheter is arranged in the auxiliary support, one end of the catheter is installed on the connecting assembly, an original single support in the thrombectomy support is arranged to be the outer support, and the auxiliary support is additionally arranged in the outer support; according to the thrombus removing support, a doctor can more conveniently remove thrombus, it is guaranteed that the removed thrombus is not prone to falling off from the thrombus removing support, the thrombus removing frequency of the doctor is reduced, meanwhile, the thrombus removing efficiency is improved, and therefore the danger of a patient is reduced.

The application discloses a single support structure for repairing and replacing a damaged support of a photovoltaic load-bearing cable and a use method thereof, and belongs to the technical field of solar power generation. The structure comprises a photovoltaic load-bearing cable and a single support support unloading device. The photovoltaic load-bearing cable is supported by a plurality of support frames. The support frame comprises a stand and a support arranged on the stand. The single support support unloading device is arranged on the stand of the support frame where the support has been damaged, and the single support support unloading device supports the photovoltaic load-bearing cable upwards to unload the damaged support. The single support support unloading device is used to unload the damaged support, and all the components of the damaged support can be repaired and replaced. When the single support support unloading device is installed and fixed to the stand, drilling is not needed on the support frame, the operation and use convenience of the single support support unloading device is improved, and the repairing and replacing efficiency of the damaged support is improved.

The utility model relates to a knife and fork frame supporting structure which comprises a guide rail used for supporting a knife and fork frame body, a first supporting and limiting assembly and a second supporting and limiting assembly are arranged between the knife and fork frame body and the guide rail, and the first supporting and limiting assembly and the second supporting and limiting assembly are arranged in the direction, bearing the knife and fork frame body, of the guide rail in a front-back spaced mode. The first supporting and limiting assembly part is arranged in the direction of the guide rail bearing knife and fork frame body in a relative rotation mode, and the second supporting and limiting assembly part extends in the direction of the guide rail bearing knife and fork frame body. The second supporting and limiting assembly is relatively positioned in the direction, bearing the knife and fork frame body, of the guide rail and forms a reinforced bearing and supporting point of the guide rail to the knife and fork frame body, and supporting structures are designed in the front-back direction of the bearing and matching position between the knife and fork frame body and the guide rail. The problem of bending deformation caused by a single supporting structure of an existing knife and fork frame body is solved.

The embodiment of the invention provides a risk assessment method and device for a bridge strut, equipment and a storage medium. Under the condition that the bridge supporting columns comprise a plurality of single supporting columns, first point cloud data, visible light images and positioning data corresponding to each single supporting column are obtained; constructing a strut three-dimensional model of each single strut according to the data; then determining a defect severity factor, a deterioration development trend factor and a detection confidence factor of each single pillar according to the pillar three-dimensional model; determining a first risk level of each single pillar according to the factors; and finally, determining a second risk level of the bridge strut according to the first risk levels of all the single struts. According to the method, the problems that the assessment dimension is single and the assessment result is not accurate enough when risk assessment is carried out on the bridge strut only depending on two-dimensional image data are effectively solved, and more comprehensive assessment on the risk of the bridge strut can be realized through multi-dimensional data.

The application relates to a parallel double-goods-position operation mobile robot crossing intelligent warehouse, belonging to the technical field of robots or warehouse logistics, and comprising a floor mobile robot, a goods shelf, a double-goods-position stacker, a supporting stacker, a ground rail, a floor passage, a conveying line, an overhead rail, a ground mobile robot; the floor passage is laid under the goods shelf perpendicular to the direction of the lane, the width of the floor passage and the distance between the floor passage and the height of the goods shelf can meet the driving of the floor mobile robot carrying goods, and the floor mobile robot crosses the ground rail; the ground mobile robot drives on the ground and does not cross the ground rail, and transports the goods on the outermost and the next outermost goods shelves; the floor mobile robot and the ground mobile robot are arranged in a multiple-selectivity layout with the double-goods-position stacker, two symmetrical supporting stackers and a single supporting stacker, the bottleneck that the goods can only be in and out of the warehouse from two ends of the lane is overcome, the high in-and-out warehouse capacity of the warehouse is improved, and the energy consumption of the movement of the stacker is reduced.

The utility model relates to the field of ventilation pipe supports, in particular to a mounting support for mounting an indoor ventilation pipeline, which comprises two positioning seats, a connecting rod and a connecting rod, the positioning mechanism is installed on the surface of the connecting rod, the surface of the positioning mechanism extends into the connecting rod, and the lower end of the positioning mechanism extends to the position below the connecting rod; the positioning mechanism comprises a supporting assembly installed at the lower end of the connecting rod. Under the action of the supporting assembly, the device can achieve a double supporting effect on the lower end of the pipeline through the two groove frames, so that the supporting stability is improved, the abutting plate is abutted to longitudinally move in the groove frames, at the moment, the abutting plate supports the bottom of the pipeline through the soft rubber strip, and the good stability of the pipeline can be kept through a single support; the step of matching a plurality of brackets is reduced, and the working efficiency of mounting construction is improved.

The invention discloses a relay with an auxiliary contact group, and relates to the technical field of relays. The relay comprises a coil assembly, an armature assembly, a push sheet, a main contact group and an auxiliary contact group. A claw-shaped structure with a downward opening is arranged at the tail end of an armature supporting arm of the armature assembly, and two side walls extend out of one side of the claw-shaped structure to form a groove-shaped structure. The claw-shaped structure drives the pushing sheet to control the main contact group, and the groove-shaped structure is linked with the auxiliary contact group, so that a single support arm can synchronously control multiple groups of contacts. An arc-shaped boss is arranged in the claw-shaped structure to be matched with the pushing piece to reduce abrasion, and the tail end buckle structure facilitates preassembling of the pushing piece. The problems that main and auxiliary contacts are poor in synchronism and a traditional armature cannot be linked with multiple groups of contacts are solved, synchronism and reliability are remarkably improved, and the assembly process is simplified.

A main body structure of a submarine stratum space cable laying robot includes one telescopic electric linear actuator unit including two dustproof sleeves with one sleeved on the other, and four single supporting arm units for forward motion and supporting. Two ends of each single supporting arm unit are sequentially provided with rotating supporting plates, reducers, motors and connecting flanges from inside to outside, and an outside of each single supporting arm unit is provided with a rotating plate structure. The single supporting arm units in each group are movably connected by the adjacent ends and movably connected to connectors of the telescopic electric linear actuator unit by respective outer ends thereof. The two groups of single supporting arm units connected in series are symmetrically arranged, such that a whole main body structure of the robot is diamond-shaped.

The invention discloses a parking attitude control system for a two-wheeled vehicle, and the system is characterized in that through the cooperative work of a sensor module, a calculation module, a control module and a feedback system, the sensor module senses the angles of front and rear wheels, the attitude of a vehicle body, the ground slope, the load, the friction coefficient and other information of the vehicle in real time; the calculation module can dynamically calculate the optimal parking posture most suitable for the current environment based on the real-time data and an optimization algorithm, and it is ensured that the vehicle can be kept stable under different ground conditions. The control module accurately adjusts the angles and the lengths of the single support and the double support according to the calculation result, the position of the supporting frame is accurately controlled through an electric servo system, and it is ensured that the vehicle reaches the optimal posture in the parking process and is prevented from inclining or falling to the ground. The feedback system plays a key role in the process, monitors the precision of the support frame in the adjusting process in real time, and returns feedback data to the calculation module and the control module, so that the system is always kept in the optimal adjusting state.

1. Name of the design product: Single support. 2. Use of the design product: For supporting two-wheeled vehicles. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Front view.

A greenhouse support with an automatic film winding and unwinding function comprises a support body, the support body comprises a plurality of support body units, each support body unit is composed of two stand columns and an arc top arranged on the upper portions of the stand columns, and a transverse rod is arranged between the upper ends of the two stand columns in each support body unit; the support units are connected into a whole through the connecting beam, and the two ends of the connecting beam are fixed to the upper ends of the two stand columns on the same side in the two support units. A film collecting groove is formed in the top face of the connecting beam, a film rolling barrel is arranged in the film collecting groove, a top film is wound on the film rolling barrel, an arc-shaped groove is formed in the arc top side wall, a sliding block is arranged in the arc-shaped groove, a connecting rod is arranged between the two opposite sliding blocks on every two adjacent support units, and one side of the top film on the film rolling barrel is fixed to the connecting rod. By the adoption of the structure, the problems that a traditional greenhouse film rolling mechanism is poor in synchronism, a film rolling barrel is blocked due to dust accumulation, and the mechanism slips and is blocked are solved, and the purpose of automatically opening and closing a greenhouse top film is achieved.

The side pulling type blood collection tube tray comprises a tray body and a baffle arranged on one side of the tray body, a supporting rod is arranged on one side in the tray body, a plurality of bases are installed on the supporting rod at equal intervals, supports are installed on the bases, a plurality of inserting grooves are formed in the tops of the supports, guide holes are symmetrically formed in one side of the tray body, and the baffle is arranged on the other side of the tray body. Guide rods are symmetrically arranged on one side of the baffle and movably sleeved with the guide holes, sliding grooves are symmetrically formed in the base, a plurality of limiting rings are arranged on the supporting rod at equal intervals, buckles at the bottom of the support are installed in the sliding grooves in a clamped and embedded mode, the support can slide on the base, and by arranging the baffle and the support, the baffle is laterally pulled to be separated from one side of the support. At the moment, the supports are not limited by the baffles any more, the supports are pulled laterally to slide on the base, so that the blood collection tubes on the single supports are pulled out from the upper side of the tray body, and medical staff can conduct numbering or code scanning and other operations conveniently.

The utility model relates to a transverse supporting system, and belongs to the technical field of formwork supporting, in particular to a reinforced aluminum alloy formwork splicing transverse supporting system which comprises a plurality of pairs of U-shaped steel, an aluminum alloy formwork is fixedly installed on the groove side of each U-shaped steel, and steel plates are fixedly installed on the two sides of each U-shaped steel through bolts. A plurality of transverse supporting plates are arranged on the outer sides of each pair of aluminum alloy formworks; the utility model achieves the effects of improving the stability and the construction efficiency of a template system and ensuring the construction quality and safety, and solves the problems that although the stable supporting effect can be realized in the prior art, a single supporting mode is similar to a common construction mode, the supporting effect is poor, and the construction cost is low. And adjustment according to the height and the length of the template is not facilitated.

The utility model discloses adjustable equipment for well digging construction, which comprises a sand removing machine body, an adjustable supporting assembly and a moving assembly, the adjustable supporting assembly comprises a supporting strip, the top of the supporting strip is fixedly connected to the surface of the sand removing machine body, the surface of the supporting strip is movably connected with a moving leg, and the moving leg is movably connected with the sand removing machine body. Long grooves are formed in the outer sides of the moving legs, short rods are fixedly connected to the outer sides of the supporting strips, the short rods are located in the long grooves and slidably connected with the long grooves, gear blocks are movably connected to the surfaces of the short rods, toothed plates are fixedly connected to the outer sides of the moving legs, and the gear blocks are located on the inner sides of the toothed plates and engaged with the toothed plates. The height of the supporting legs is adjusted through the adjustable supporting assemblies, even if the ground is very muddy during well digging operation, the supporting legs of the sand removing machine can make full contact with the ground, the situation that the single supporting leg is in a suspended state is avoided, and the sand removing machine is very stable.

The application provides a new type of gas insulated rigid power transmission line with a spiral support structure and an optimization method thereof, which comprises three support insulators, a high-voltage conductor, a grounding shell, a high-voltage side / grounding side metal insert, a spiral metal ring and a roller. Compared with the original structure, the spiral metal ring and the roller are used to effectively improve the assembly convenience. The improved stable triangular support structure significantly improves the mechanical strength and stability, avoids the tilting and fracture risks of the three single support insulators caused by unbalanced stress, and can meet the support of conductors with different GIL arrangement angles. The application designs the structure of the new type of spiral support insulator, effectively reduces the electric field and stress of the insulating support insulator, improves the insulating performance, and improves the reliability of the safe operation of the power transmission line.

The utility model discloses a shared two-wheeled vehicle deformation-resistant high-strength deflection supporting structure, relates to the technical field of vehicle accessories, and specifically comprises a mounting part, a mounting groove is formed in one side of the top end of the mounting part, fixing grooves are uniformly formed in the bottom end of the mounting groove, and bolts are movably connected in inner cavities of the fixing grooves. The mounting part is mounted on the shared two-wheel vehicle through a bolt and a nut matched with the bolt, a supporting groove is formed in one side of the bottom end of the mounting part, a first supporting leg and a second supporting leg are movably connected into an inner cavity of the supporting groove, and the first supporting leg and the second supporting leg are in transmission connection through a synchronous belt. According to the deformation-resistant high-strength deflection supporting structure for the shared two-wheeled vehicle, the shared two-wheeled vehicle is supported through the two supporting legs, the pressure bearing degree of the single supporting leg is reduced, the compressive strength of the deflection supporting structure is improved, and the deflection supporting structure has the performance of deformation resistance and high strength.

The utility model discloses a quick-release double-side double-support adjustable telescopic mudguard which comprises a mudguard mechanism, the mudguard mechanism comprises a mudguard body, sliding grooves are symmetrically formed in the inner side of one end of the mudguard body, a fixing part is arranged on the inner side of the other end of the mudguard body, and two connecting supporting feet are symmetrically arranged at the lower end of the mudguard body; the extension plate is mounted on the inner side of the mud guard mechanism in a sliding manner and can extend along the mud guard mechanism; the metal supporting rod is fixedly connected with the fixing part through a fixing piece and is of a U-shaped structure. The quick-release double-side double-support adjustable telescopic mud guard disclosed by the utility model has obvious advantages. Firstly, through the U-shaped double-side design of the metal supporting rod and the cooperation of the metal supporting rod, the connecting rod and the support fixing base, double supporting is provided, the fixing strength and the torsion resistance are enhanced, the problem that traditional single supporting or simple double-side supporting is not firm is solved, the stability under the high-speed or bumpy road condition is ensured, and the safety is remarkably improved.

The invention belongs to the field of medical instrument auxiliary equipment, and particularly relates to a movable supporting device for an electrocardiograph. The supporting device is composed of a supporting mechanism, a placing mechanism and a lifting mechanism. In the supporting mechanism, a single supporting rod is composed of a telescopic thick rod and a telescopic thin rod, is limited through a spring pin and the like, and can flexibly move and adjust the height in cooperation with universal wheels. A storage box is arranged on one side of a placement seat of the placement mechanism, a placement groove is formed in the other side of the placement seat, and transverse and vertical fixing plate sets slide through threaded rods and can be matched with various electrocardiographs and stably fixed. A lifting rod of the lifting mechanism is rotatably connected to two ends of the placing seat, and is combined with a wire box and a handle to facilitate carrying in a narrow space. And meanwhile, the wire box can be used for storing lead wires in order, and the storage box can be used for storing medical consumables in a classified manner. The electrocardiogram detection efficiency and accuracy are remarkably improved, and diversified medical scene requirements can be well met.