117results about How to "Achieve the limit" patented technology

A tray with a limit structure is used for holding an Open Cell of a liquid crystal display. The tray comprises a tray body, and a groove for holding the Open Cell is arranged in the tray body. The tray with the limit structure is characterized by further comprising a fastener, the fastener comprises a fixing component connected with the tray body and a fastening component movably connected with the fixing component. The fastening is connected with the tray body in an adhering manner, can be mounted when needed or can be dismounted when not needed, and compatibility of the tray utilization is broadened. The fastening component is firstly lifted up around a hinged shaft before the Open Cell is dismounted, at this time, a PCB (printed circuit board) and a COF (chip on film) are in a relatively open state, the Open Cell is not blocked by external factors when being used, so that damages caused on the COF are prevented.

The invention relates to a rapid automatic cutting device for a woven fabric, and belongs to the technical field of woven fabric processing. The device comprises a cutting table, a placement frame, alimiting assembly, a conveying assembly, a compressing assembly, a cutting assembly and a collecting assembly; the placement frame is arranged at the front side of the cutting table, the limiting assembly is installed at the end, close to the placement frame, of the cutting table, the conveying assembly, the compressing assembly and the cutting assembly are all installed on the cutting table, thecompressing assembly is located above the conveying assembly, the cutting assembly is located above the compressing assembly, the collecting assembly is installed at the side of the cutting table, andone end of the collecting assembly extends to the cutting assembly. According to the compressing assembly, adjusting, compressing and fixing are performed according to different fabric widths, the collecting assembly collects fabric scraps produced by cutting, and stacking of fabric scraps falling on the cutting table is avoided.

The invention discloses a steering wheel limiting device, which is used for a driving simulator, and comprises a base, a rotary shaft, a driving lever and a limiting rotary disk, wherein the rotary shaft is used for connecting a steering wheel with a force feedback motor, the driving lever is arranged in the axial direction of the rotary shaft, and the limiting rotary disk is rotatably arranged on the base. The circumferential surface of the limiting rotary disk is provided with a plurality of driving grooves matched with the driving lever in a driving manner, the number of the driving grooves is one smaller than the target rotation number of the steering wheel, a first limiting boundary is formed on the left of the left driving grooves, and a second limiting boundary is formed on the right of the right driving grooves. By the aid of the steering wheel limiting device in the embodiment, when the rotation angle of the steering wheel reaches the limit, the driving levers are clamped on the first limiting boundary or the second limiting boundary, so that the steering wheel cannot continue rotating, and limiting is achieved. The invention further discloses the driving simulator with the steering wheel limiting device.

The invention discloses a hydraulic steering system for engineering machinery, and belongs to the technical field of hydraulic systems for the engineering machinery. The system comprises a steering pump and steering cylinders controlling the steering of the engineering machinery through a steering gear, wherein a priority valve is communicated with an oil way between the steering gear and the steering pump; a first hydraulic control reversing valve is communicated in series in an oil way between a third oil port of the steering gear and a second oil port of the priority valve; a shuttle valve, a second hydraulic control reversing valve and an engine-driven reversing valve are communicated in series in an oil way between the hydraulic control port of the first hydraulic control reversing valve and the first oil port of the steering pump; limiting blocks are respectively arranged on both sides, corresponding to the engine-driven reversing valve, of a vehicle frame of the engineering machinery. A hydraulic circuit control manner disclosed by the invention is simple and reliable. During the steering at a limit position of the cylinders, the system does not have a spill loss and hydraulic impact on the vehicle frame by the steering cylinders at the limit position is eliminated, so that energy is saved, rocking does not occur when the steering is finished, and the comfort of the whole vehicle is increased.

The invention relates to the technical field of lithium batteries, and discloses an explosion-proof lithium battery with good heat dissipation performance, the explosion-proof lithium battery comprises a fixing seat, fixing pieces are fixedly mounted on the left side and the right side of the fixing seat, fixing holes are formed in the two fixing pieces, and a limiting groove is formed in the topof the fixing seat. In the explosion-proof lithium battery, the through hole is formed in the fixed seat and an extrusion rod is mounted in the through hole; so that after a pressing bar is pressed, achuck can be pushed out of the clamping groove through a pressing block; therefore, a protection box and a clamping block can be taken out from the limiting groove. The purpose that the lithium battery body is convenient to disassemble, maintain and replace is achieved; a partition plate is mounted on the lithium battery body, and a heat conduction head extending to the outside of the lithium battery body is mounted at the top of the partition plate, so that heat in the lithium battery body can be conducted out of the lithium battery body through the heat conduction head, absorbed through thecooling fins and finally dissipated through the cooling openings, and the purpose of a good cooling effect is finally achieved.

The invention relates to the technical field of big data, in particular to a large data information management apparatus, including a cabinet body, one side of the cabinet body is movably connected with a cabinet door, a first mounting plate and a second mounting plate are arranged in the cabinet body, the other end of the moving rod penetrates one side of the cabinet body and extends into the cabinet body and is provided with a baffle plate, the moving rod between the baffle plate and the cabinet body is sleeved with a first spring , a positioning block is arranged on one side of the baffleplate, positioning holes corresponding to the positioning block are arranged on both sides of the information management main body, the positioning blocks are arranged in the positioning holes, and acooling mechanism is arranged on the inner walls of the cabinet bodies on both sides of the information management main body. The device has a reasonable structure, is convenient to operate, has a good shock absorption effect on the information management main body, and prevents the information management main body from being damaged. At the same time, the device has a good cooling effect, and prevents the information management main body from being overheated, thereby affecting the work of the components in the information management main body.

The invention discloses a hydraulic steering system of an engineering machine and belongs to the technical field of hydraulic systems of engineering machines. The hydraulic steering system comprises a control part and a driving part, the control part comprises a steering gear, and the driving part comprises a steering oil cylinder and a steering pump. An amplification flow valve is serially communicated between the steering pump and the steering oil cylinder, a main valve spool controlling oil flow is arranged in the amplification flow valve, two liquid-control ports of the main valve spool are communicated with two oil outlets of the steering gear through liquid-control reversing valves, liquid-control ports of the liquid-control reversing valves are communicated with the steering pump through a maneuvering reversing valve and a pressure reducing valve. Limiters are arranged on a frame of the engineering machine and correspond to two sides of the maneuvering reversing valve. The hydraulic steering system is simple and reliable in hydraulic loop control manner, no overflow loss of the hydraulic steering system is caused when the engineering machine steers at the limit position of the oil cylinder, hydraulic impact to the frame from the limit position of the oil cylinder during steering is eliminated, energy is saved while shaking after steering is avoided, and comfortableness of the integral engineering machine is improved.

The invention discloses a fixing device for metal product machining. The fixing device comprises a workbench, wherein a first motor with the output end fixedly connected with a first rotating disc isfixedly mounted at the middle end of the bottom of the workbench; and a supporting plate with the left side fixedly provided with a second motor is fixedly connected to the left end of the top of thefirst rotating disc. According to the fixing device, a connecting rod and a second electric telescopic rod are arranged, and therefore the purpose of fixing a metal product can be achieved; the secondmotor and a second rotating disc are arranged, and therefore the purpose of driving the metal product clamped in a clamping plate to rotate in the vertical direction can be achieved; the first motorand the first rotating disc are arranged, and therefore the purpose of driving the metal product clamped in the clamping plate to rotate in the horizontal direction can be achieved; and through cooperation of the above structures, the device has the purpose of rotating the clamped metal product at multiple angles, and therefore people can conveniently machine the metal product, and the machining efficiency of the metal product is improved.

The invention discloses a selling rack for cotton yarn selling. The selling rack for cotton yarn selling comprises a selling rack body and multiple supporting plates, wherein multiple fixed blocks arefixedly connected to the upper surfaces of the supporting plates, the adjacent sides of every two adjacent fixed blocks in the fixed blocks are each fixedly connected with a stretchable rod, the opposite sides of every two adjacent stretchable rods in the stretchable rods are each fixedly connected with a baffle, the rod walls of the stretchable rods are sleeved with springs, and the two ends ofeach spring are fixedly connected with the side wall of the corresponding baffle and the side wall of the corresponding fixed block respectively. By means of the selling rack for cotton yarn selling,the condition that due to careless touching of customers, cotton yarn stacked on the selling rack is collapsed can be avoided, workers do not need to newly put the cotton yarn, time and labor are saved, the labor intensity of the workers is reduced, the moving speed of the selling rack is increased, the stability of the selling rack is guaranteed, dust adhesion of the cotton yarn on the selling rack is avoided, the cotton yarn is protected and cannot be contaminated to be blackened, the quality of the cotton yarn is improved, and the selling efficiency of the cotton yarn is guaranteed.

The invention discloses an angle adjustable cradling piece connection device, which comprises a clamp (1), a locking seat (2) and a locking mechanism (3), wherein, the locking mechanism (3) comprises an inner-toothed arc (14), a spring (17), a positioning rod (15), an outer-toothed arc (16) which is fixed at the lower end of the positioning rod (15), and a derrick boom (13) which is arranged on the locking seat (2); a first key slot (19) and a second key slot (20) which are perpendicular to each other are formed longitudinally on the derrick boom (13); blind holes are formed at the bottom end of the derrick boom (13); the spring (17), the positioning rod (15) and the outer-toothed arc (16) are arranged in the blind holes; the inner-toothed arc (14) which is meshed with the outer-toothed arc (16) penetrates the second key slot (20) in a sliding manner; two positioning operating handles (18) which are extended from the first key slot (19) respectively are arranged on the positioning rod (15); and the bottom part of the clamp which are fixed with the two ends of the inner-toothed arc (14) is hinged with the top end of the derrick boom (13).

The invention discloses a quick clamping bracket of a sighting telescope. The quick clamping bracket comprises a base capable of being connected with a guide rail on a gun, the interior of the base issymmetrically provided with two circular cavities, a rotatable threaded rod is arranged inside each circular cavity, each threaded rod is provided with a pressing mechanism for abutting against the guide rail, the outward end of each threaded rod is fixedly connected with a rotating rod, the end, far away from the corresponding threaded rod, of each rotating rod extends to the outside of the corresponding circular cavity, a retractable rotating mechanism is arranged on each rotating rod, and two limiting plates are symmetrically arranged on the outer side walls of the both ends of the base. The quick clamping bracket is reasonable in structure design, the positions of upper and lower mounting brackets can be quickly determined, alignment of mounting holes can be quickly realized, and theinstalling speed of the sighting telescope is effectively improved; the guide rail can be abutted through pressing plates, so that the installing stability of the base is ensured; and through the arrangement of anti-skid teeth, the abutting effect of the pressing plates can be improved, the better fixing effect is realized, and replacement can be carried out without using a tool.

The invention relates to the technical field of cleaning, and discloses an automatic-cleaning-type tea-picking storing device. The automatic-cleaning-type tea-picking storing device comprises a cleaning tank with an upper opening, a cover plate used for closing the opening is detachably connected to the cleaning tank, and a plurality of pressure-relief openings are formed in the cover plate; the two sides in the cleaning tank are provided with sieve plates correspondingly, a plurality of sieve holes are formed in the sieve plates, and the sieve plates and the cleaning tank constitute a storagecavity; the lower parts of the sieve plates are slidably connected with anti-blocking plates, a plurality of anti-blocking shafts are arranged on the anti-blocking plates, and reciprocating pushing mechanisms are arranged below the anti-blocking plates; an equipment box is arranged below the cleaning tank, a hollow rotary shaft rotationally connected with the equipment box is arranged in the equipment box, a driving piece driving a rotary shaft is fixed into the equipment box, and the upper part of the rotary shaft communicates with a plurality of branch pipes which communicate with the cleaning tank; and gas tanks fixed to the equipment box is arranged on the outer side of the lower part of the rotary shaft in a sleeving mode, and the gas tank communicates with a gas source. The automatic-cleaning-type tea-picking storing device is simple in structure, a turbulent flow is formed through rotation of the rotary shaft to conduct impurity separation on tea leaves, and the purpose of cleaning the tea leaves is achieved.

The invention relates to a bidirectional limiting device swinging based on tension of a steel wire rope. The device comprises a base, a guide wheel rack, a guide wheel and a steel wire rope. The device is characterized in that the guide wheel rack is fixed on the base through a bearing pin roll; the guide wheel is mounted on a central shaft of the guide wheel rack through a bearing, the central shaft is fixedly connected to the guide wheel rack through a shaft lock and a screw, upper and lower sleeves are separately mounted on the upper and lower portions of the bearing pin roll on a panel of the base, the upper and lower sleeves sleeve outside buffer springs, distance sensors are separately mounted on the outer surfaces of the upper and lower sleeves, upper and lower limiting plates are separately located in positions corresponding to the upper and lower buffer springs, and the bottom ends of the upper and lower limiting plates are fixedly connected to the guide wheel rack; a tension spring is mounted on the upper portion of the guide wheel rack, and the upper end of the tension spring is connected to the base while the lower end of the tension spring is connected to the guide wheel rack; and the limiting bolt is mounted on the left upper portion of the guide wheel rack. The device provided by the invention has the advantage of preventing the steel wire rope from jumping from a slot due to an over-large rope angle or excessive wear caused by an over-small rope angle and reducing an impact vibration phenomenon.

The invention relates to the technical field of photolysis catalytic equipment and discloses photolysis catalytic purification equipment convenient to maintain and simple to operate. The photolysis catalytic purification equipment comprises a purifier and is characterized in that four cushion blocks are fixedly mounted at the bottom of the purifier, a limit frame is fixedly mounted on the right side of the purifier, a clamp plate is fixedly mounted inside the limit frame, and the inner top wall and the inner bottom wall of the limit frame are provided with clamp grooves. The photolysis catalytic purification equipment has the advantages that clamp springs can be clamped through grooves formed in the clamp plate, plate clamping is achieved by the clamp grooves formed in the limit frame andclamp heads which are mounted onto the clamp springs and extend into the clamp grooves, and extrusion rods mounted into through holes can push the clamp heads out of the clamp grooves through extrusion blocks when being pressed so as to take the clamp plate and UV lamp bodies out of the purifier. By the arrangement, the photolysis catalytic equipment has the advantages that demounting is facilitated, and the interior of the purifier can be maintained conveniently.

The invention discloses an electric actuator mechanism. The electric actuator mechanism comprises an elastic limiting assembly, an electric actuator body, a rotating table, an installing table, an installing cover, a cover body, a connecting shaft, a gear and an installing plate, the electric actuator body is connected with the rotating table, the rotating table is rotationally arranged on the installing table, the mounting table is arranged on the installing plate, the installing cover and the cover body are both connected with the installing table, the installing cover is connected with thecover body, the connecting shaft is connected with the rotating table and is rotationally arranged on the installing cover, the gear is arranged on the connecting shaft, the elastic limiting assemblycomprises a rack, a sliding rod, a connecting plate, a connecting rod, a pressing plate and an elastic piece, the rack is clamped with the gear, the two ends of the sliding rod are respectively connected with the rack and the connecting plate and slidably arranged on the installing cover, the two ends of the connecting rod are respectively connected with the connecting plate and the pressing plate, and the two ends of the elastic piece are respectively connected with the inner surface of the installing cover and the rack. According to the electric actuator mechanism, the installing angle can be flexibly adjusted, the angle is determined, and it is guaranteed that the driving effect can be achieved at the determined angle.

The invention discloses an automatic supporting plate device for fur, and belongs to the field of garment material processing equipment. The automatic supporting plate device comprises a bottom box, arotating shaft, a rotary disc, a driving assembly, a feeding assembly, a troweling assembly, an air injection assembly, a discharging assembly and four supporting plate assemblies, wherein the rotating shaft can be rotatably mounted on the bottom box, and the bottom end of the rotating shaft extends into the bottom box; the rotary disc is fixedly connected with the top of the rotating shaft, thedriving assembly is arranged in the bottom box, the four supporting plate assemblies are arranged at the top of the rotary disc around the circle center of the rotary disc at equal intervals, the feeding assembly, the troweling assembly, the air injection assembly and the discharging assembly are sequentially arranged beside the rotary disc, and the feeding assembly and the discharging assembly are the same in structure. The problems that in the fur processing process, plate supporting needs to be conducted, pure manual operation is adopted in the plate supporting procedure, the processing efficiency is low, and the processing cost is increased are solved.

The invention discloses a chamfering device of a hardware die, and belongs to the technical field of hardware dies. The chamfering device comprises a shell, a bearing plate, a limiting component, a chamfering component, a waste recycling component, a lubricating component and four supporting legs, wherein the shell is of a cavity structure, the four supporting legs are distributed at the bottom end of the shell in a rectangular mode, the two ends of the bearing plate are in threaded connection with the side wall of the shell correspondingly, four supporting columns are distributed on the bearing plate in a rectangular manner, the top ends of the four supporting columns are fixedly connected with the top end of the shell, the limiting component is arranged on the bearing plate, the chamfering component is arranged in the shell, and the waste recycling component and the lubricating component are both arranged at the top end of the shell. According to the chamfering device, the chamfer angle can not be adjusted according to actual conditions, the chamfering efficiency is influenced, so that the abrasion of a cutter head is relatively high, and the service life of the cutter head is reduced.

The invention discloses a lithium battery capable of preventing combined resonance, and relates to the technical field of lithium batteries, the lithium battery comprises a battery box and an early warning assembly, a module seat is mounted in the battery box, a limiting seat is mounted on the surface of the module seat, an anti-resonance assembly is mounted in the limiting seat, and a battery main body is arranged in the anti-resonance assembly; the anti-resonance assembly comprises a frame, a rotating shaft, a stabilizing base, a connecting piece, an elastic protection piece, a heat dissipation patch, a groove and an elastic clamping block. According to the lithium battery module, a plurality of components are matched with one another, so that a single lithium battery can be firmly fixed on the surface of the module seat, the stability is improved, the danger caused by resonance generated by vibration is avoided, the height is freely adjusted through the connecting component, the mounting is convenient, and the mounting efficiency is improved. And after installation, the lithium battery in the middle can be further locked and reinforced, the safety of the equipment during working is improved through the protection assembly, and heat dissipation of the equipment can be assisted.

The invention relates to a suitcase, in particular to a suitcase for plant transportation. The invention aims to provide the suitcase for plant transportation, and the suitcase can protect the plant during transportation, improve the success rate of transplantation and ensure the intact root systems and soil balls of trees. According to the technical scheme, the suitcase for plant transportation comprises a box body, covers, a locking assembly and handle assemblies. The covers are rotationally connected to the interiors of the two sides of the box body. The box body is internally connected with the locking assembly in a sliding manner. The handle assemblies are rotationally connected into the covers. Through cooperation of a clamping block, a first guide rod, a first spring and a pull rod, the purpose of controlling opening and closing of the covers is achieved.

The invention belongs to the technical field of oil residue separation equipment, and provides a pepper oil residue separation device which comprises an outer cylinder and an inner cylinder arranged in the outer cylinder, an oil cavity is formed between the outer cylinder and the inner cylinder, and the upper portions of the outer cylinder and the inner cylinder are open; a plurality of oil holes communicated with the oil cavity are formed in the inner cylinder, and a plurality of filter plates are connected in the inner cylinder along vertical threads of the inner cylinder; a cover plate used for sealing the openings in the outer cylinder and the inner cylinder is fixed to the outer cylinder, a limiting shaft used for limiting the filter plate is fixed to the cover plate, and a driving piece used for driving the inner cylinder to rotate is fixed to the outer cylinder. The zanthoxylum oil and residues of the zanthoxylum oil are separated, and waste of the zanthoxylum oil is reduced.

The invention discloses a high-strength filter element of a machine filter. The high-strength filter element comprises a shell body, wherein a hollow chamber is formed inside the shell body, a charging opening communicating with the hollow chamber is formed in the outer side of the shell body, a discharging opening communicating with the hollow chamber is similarly formed in the lower side of theshell body, a plurality of supporting seats are fixedly connected to the lower side of the shell body, a scraping mechanism is arranged inside the discharging opening, a mounting groove communicatingwith the hollow chamber is formed in the upper side of the shell body, internal threads are formed inside the mounting groove, a mounting plate capable of moving up and down is arranged inside the mounting groove, a limiting mechanism is arranged between the mounting plate and the mounting groove, and a filter element is fixedly connected with the lower side of the mounting plate. According to thehigh-strength filter element of the machine filter, the structural design is reasonable, and the filter element can be rapidly mounted and demounted, so that the cleaning of the filter element and the repairing of the filter are facilitated; and a discharging end can be subjected to scrapping treatment, so that the adhesion of a medium is reduced to guarantee the quality of water.

The invention discloses a protection device for orthopedic spine. The device comprises a vertical plate, the top of the vertical plate is fixedly connected with a top plate, the bottom of one side ofthe vertical plate is fixedly connected with an arc convex plate, the vertical plate, the top plate and the surface of the arc convex plate is provided with through holes, a rotating sleeve is arranged inside the through hole, one end of the rotating sleeve is covered with a massage sleeve, a spring one is connected between the inside of the massage sleeve and the port of the rotating sleeve, oneside of the vertical plate and the top plate far away from the massage sleeve is fixedly connected with a fixed box, the inside of the fixed box is fixedly connected with a fixed plate, the rotating sleeve is movably connected with the fixed plate through a bearing one, the outer surface of the rotating sleeve is fixedly connected with gears, the gears are meshed with tooth plates, both sides of the fixed box are provided with binding mechanisms, the top of the top plate is provided with a laminating plate, and the laminating plate is connected with an adjustment mechanism. The beneficial effects are that the spine can be protected and massaged, and the pain caused by spinal injury can be relieved.

The invention discloses a feeding mechanism of a bag making machine. The feeding mechanism comprises a rack and a feeding long shaft; the feeding long shaft is connected with the rack in a rotary manner; a packing film is wound on a roll; the roll sleeves the feeding long shaft; the feeding mechanism further comprises an automatic alarming device and a limiting device; the limiting device is used for limiting the position of the packing film; the automatic alarming device comprises a cross rod, a long rod, a baffle block, a proximity switch, a processor and an alarm; the cross rod is in front of and above the feeding long shaft and is transversely arranged on the rack; the baffle block sleeves the cross rod and is connected with the cross rod in a rotary manner; the higher end of the long rod is connected with the baffle block; the lower end of the long rod is in contact with the packing film on the uppermost layer; the proximity switch is close to the baffle block and is in output connection with the processor; and the processor is in output connection with the alarm. The feeding mechanism has the advantages that the packing film is prevented from off tracking; and when the unwinding of the packing film is finished or is about to be finished, an alarm can be given timely and automatically.

The invention provides a pressure control device. The pressure control device comprises a shell (1) and an upper cover (2) which is connected with the shell (1), wherein a fixed base (3) with an arc contact surface is installed in the shell, adjusting terminals (4) and an adapter plate (5) are installed on the fixed base, a group of jump diaphragms 8 are installed on the shell, ceramic rings (6) are arranged among the adjusting terminals, a backing ring (7) is installed in the shell, the jump diaphragms are arranged on the backing ring, lower electrodes (9) are installed on the jump diaphragms, the copper wires (11) of the lower electrodes penetrate through the central holes of the adjusting terminals, and lead out wires (12) from the upper ends of the copper wires to be connected with the adapter plate, upper electrodes (13) are installed below the adjusting terminals, and the leading-out wires (14) of the upper electrodes penetrate through the side holes of the adjusting terminals to be connected with the adapter plate. The pressure control device is used for gas or liquid supply pressure control.

The invention relates to the technical field of petroleum pipelines, and discloses a petroleum pipeline for deep wells. The petroleum pipeline for the deep wells comprises a first connecting pipe, a first flange is fixedly mounted on the right side of the first connecting pipe, the right side of the first flange is provided with a through hole extending into the connecting pipe, a groove formed inside the first flange is fixedly mounted on the inner wall of the through hole, a telescopic spring is fixedly mounted inside the groove, and an extending pipe extending to the exterior of the first flange is movably installed inside the through hole. By means of the petroleum pipeline for the deep wells, a sealing ring is installed on the inner wall of the through hole, the sealing ring is provided with a sealing gasket, a second flange is provided with a contact ring corresponding to the sealing gasket, and the aim of being good in sealing effect of the petroleum pipeline is achieved; and athreaded rod is installed on a fixing block, a pressing block is in threaded connection to the threaded rod, the contact ring can be in tight fit with the sealing gasket, and the aim of preventing petroleum leakage is achieved.

The invention discloses an ecological slope protection maintenance device for a water conservancy project. The device comprises a bottom plate; the left end of the top of the bottom plate is fixedly connected with a base; the left end of the top of the outer surface of the base is movably connected with a supporting rod through a bearing; the top of the supporting rod is movably connected with a telescopic spray pipe through a movable pin; a spray head is fixedly installed on the left side of the telescopic spray pipe; and a shifting plate is fixedly connected to the right side of the telescopic spray pipe. Under the action of mutual cooperation of a water pump, a water tank, the telescopic spray pipe, the spray head, an adjusting box, a second motor, a threaded rod, an adjusting rod, a movable sleeve, the supporting rod, a first motor, a gear, a toothed plate, a fixed rod, a limiting sleeve, a fixed plate, a spring, a U-shaped fixed frame, a shifting rod, the shifting plate and the base, the device has an adjusting function, the operation range of the device is greatly widened, the operation efficiency is effectively improved, and the use requirements of the water conservancy project are met.

The invention relates to a mounting and supporting structure for an indoor chilled water pipe. The mounting and supporting structure comprises a horizontal base and a supporting device, the supporting device is fixedly mounted on the upper end face of the horizontal base, and the horizontal base comprises a fixed plate, inclined plates, an electromagnetic plate, a rolling ball, a supporting plate, first balancing weights and a sliding rail. The supporting device comprises a rectangular stand column, electric telescopic rods, sliding blocks, electric push rods, C-shaped plates, threaded long rods, arc-shaped clamping plates and rectangular long plates. It is guaranteed that the supporting device is parallel to the horizontal plane through the horizontal base, and therefore the mounting quality of the chilled water pipe is guaranteed; and the chilled water pipe is locally supported through the supporting device, and thus the chilled water pipe does not need to be supported by a plurality of workers for a long time, so that the safety of the workers is ensured, manpower consumed for mounting the chilled water pipe is reduced, and the mounting cost of the chilled water pipe is reduced.

The invention relates to a large transformer mounting, hoisting and carrying machine and method. The machine comprises a supporting seat, limiting frames and a buffer base; the limiting frames are arranged at the upper end of the supporting seat; the buffer base is installed at the lower ends of the limiting frames. The number of the limiting frames is two; the two limiting frames are symmetrically arranged left and right, each limiting frame comprises a vertical plate, a lifting plate, an adjusting bolt, an adjusting pressing plate and a limiting branched chain; the supporting seat comprisesa supporting plate, a connecting rod, a connecting plate, a fixing frame and a fixing bolt; the buffer base comprises a supporting block, a buffering spring, a buffering plate and an inserting plate,and the limiting branched chain comprises a distance adjusting plate, a distance adjusting bolt, a pressing plate, a distance adjusting block, a limiting block and a telescopic rod. The bottom of thetransformer is supported through the size-adjustable supporting seat, meanwhile, the side walls of the transformer are limited through the limiting frames, and sliding in a hoisting process is avoided; when the transformer lands, the buffer base makes contact with the ground firstly, and the effect of reducing impact force generated when the transformer lands on the ground is achieved.