275 results about "Push and pull" patented technology

The utility model relates to the technical field of optical fiber connectors, and discloses a push-pull device for an optical fiber connector, and the device comprises a housing which is in transmission connection with an insertion core; the tail sleeve is connected with the shell through at least two crossed limiting structures, and the at least two crossed limiting structures are asymmetrically distributed in the direction perpendicular to the axial direction of the push-pull device; when the tail sleeve is pushed and pulled, the shell and the insertion core can move in the axial direction of the push-pull device, and the push-pull tail sleeve is flexible in the axial direction of the push-pull device. The asymmetrically-arranged cross limiting structures can form restraining force distributed in a staggered mode in the radial direction and the axial direction, and the inclination or torsion phenomenon caused by single-side stress of the outer shell and the tail sleeve is effectively restrained. Due to asymmetric distribution, push-pull force can be dispersed and transmitted in different directions, stress concentration or local abrasion caused by a symmetric structure is avoided, the loosening or clamping stagnation phenomenon caused by external force or improper operation is reduced, and the stability and reliability of connection between the tail sleeve and the shell are improved. The utility model further discloses an optical fiber connector.

The utility model discloses a joint bearing axial clearance detection tool, which comprises a pressing unit, a loading unit and a detection unit, and is characterized in that the pressing unit comprises an outer ring pressing assembly and an inner ring fixing assembly, and the outer ring pressing assembly presses and fixes an outer ring of a joint bearing; the inner ring fixing assembly fixes an inner ring of the knuckle bearing in the axial direction. The loading unit comprises a loading push rod, and the loading push rod can be controlled to push and pull the inner ring of the knuckle bearing with a set load so as to drive the inner ring of the knuckle bearing to move relative to the outer ring of the knuckle bearing in the axial direction; the detection unit comprises a displacement detector, and the displacement detector is used for detecting the axial clearance of the knuckle bearing; the pressing unit can respectively fix the inner ring and the outer ring of the joint bearing to be detected, the loading unit drives the inner ring to move relative to the outer ring with a set load, and the detection unit feeds back the size of the axial clearance through the displacement of the guide shaft or the pressing block. The detection tool provided by the utility model can effectively detect the size of the axial clearance of the knuckle bearing.

The design method of the non-linear term offset moving-magnet vibrator meets the following conditions: (1) a moving-magnet vibrator body comprises an outer cylinder, a vibration transmission sheet, a stator assembly and a rotor assembly; and (2) the mover assembly is subjected to electromagnetic acting force of pushing force and pulling force in pairs at the same time and presents a push-pull type structural characteristic, so that linear terms in the acting force borne by the mover assembly are overlapped and become larger, and non-linear terms in the acting force borne by the mover assembly are partially or completely counteracted and are reduced, so that the linear terms in the acting force borne by the mover assembly are reduced, and the linear terms in the acting force borne by the mover assembly are reduced. And obtaining the moving magnet type vibrator with the counteracted nonlinear term.

The invention relates to a manual push-pull type mechanical spare wheel carrier system, and belongs to the technical field of automobile equipment. The mechanical spare wheel carrier system comprises two parallel guide rails, a frame-shaped spare wheel carrier and a fixed bracket, the two guide rails are assembled on the lower portion of a container bottom plate of the vehicle, the frame-shaped spare wheel carrier is connected to the two guide rails in a sliding mode and can be pushed and pulled front and back along the guide rails, and a positioning device is arranged between the frame-shaped spare wheel carrier and the vehicle. And the fixed bracket is assembled on the frame-shaped spare wheel carrier. The manual push-pull type mechanical spare wheel carrier system is convenient and labor-saving to apply, the space below a vehicle container is fully utilized, and the spare wheel is simple, convenient and rapid to fix.

The application discloses a lock, and belongs to the technical field of locks.The lock comprises a cover, a base, a rotating wheel, a dialing assembly, an elastic member, a handle and two racks, a supporting frame with a second spherical surface is fixedly arranged in the base, a first spherical surface matched with the second spherical surface is arranged on the outer side of a dialing main body of the dialing assembly, so that the dialing assembly can realize universal movement; the rotating wheel is provided with a gear structure, the two racks are arranged on the two sides of the rotating wheel and are meshed with the rotating wheel, a transmission part is arranged on the rack, and a dialing block of the dialing assembly abuts against the transmission part to push the rack to slide.The application relies on a spherical surface matching structure, integrates two unlocking modes of twisting and pushing and pulling, can also realize multi-angle linkage unlocking, has few overall components, a compact structure, is convenient to assemble and overhaul, is not prone to jamming during operation, has a good operation feeling, and is suitable for a wide range of applications.

The utility model discloses a material push -and -pull device for down -fall type internal mixer, including support platform frame, material side baffle, bottom plate, support column, push -and -pull device, limiting device and material receiving device, and push -and -pull device includes mounting bracket, motor, screw rod, threaded slide bar and inclined baffle, and limiting device includes T -shaped runner and T -shaped sliding block, and material receiving device includes electric telescopic handle, fixed plate and material receiving groove. The utility model belongs to internal mixer technical field, and specifically refers to a material push -and -pull device for down -fall type internal mixer. Effectively solve the problem of the traditional device adjusting multiple movable plate trouble, inconvenient use. It is a novel modernization material push -and -pull device for down -fall type internal mixer.

The utility model discloses horizontal push-pull force and pre-pressure detection integrated motor detection equipment, and particularly relates to the technical field of motor detection equipment, which comprises a driving assembly, a push-pull force display assembly, a limiting assembly and a pre-pressure test assembly, a push-pull force display assembly is installed on the side, away from the driving assembly, of the limiting assembly, a pre-pressure testing assembly is placed above the limiting assembly, the driving assembly comprises a first air cylinder, a push rod and a first connecting rod, and the push rod is installed on the side face of the first air cylinder; a multifunctional test can be performed on the motor through the push-pull force display assembly and the pre-pressure test assembly, the push-pull force display assembly can test the horizontal push-pull force of the motor, and the pre-pressure test assembly can extrude the upper surface of the motor, so that the motor can be subjected to multi-functional test. Therefore, the pre-pressure in the motor is tested.

The present application relates to the technical field of drawer slide rail, in particular to a drawer side edge stabilizer, the connecting plate between the mounting rod and the first slide rail shell, and the mounting seat connected with the second slide rail shell are all made of elastic material, so that when the drawer is deflected due to uneven force, the connecting plate and the mounting seat can simultaneously produce elastic deformation, so that the synchronous pulley and the synchronous belt are deflected synchronously, which is beneficial to adaptively compensate for the deformation deviation of the slide rail, and helps to ensure that the synchronous pulley and the synchronous belt always maintain a stable meshing state during relative motion, effectively solving the problem that the existing drawer is prone to deflection during pushing and pulling due to uneven force.

This utility model discloses a hydraulic pump with a capsule-type pumping mechanism, relating to the field of hydraulic pump technology. The utility model includes a housing, with a fixing plate fixedly connected to the front side of the housing via a second bolt. A capsule push-pull plate is movably connected to the rear side of the fixing plate via a guide rod. This utility model drives the capsule push-pull plate to move back and forth via a drive shaft, reciprocatingly pushing and pulling the pumping capsule. This allows liquid to be drawn into the pumping capsule from the inlet branch pipe and pumped out from the outlet branch pipe. The structure is simpler and easier to assemble and process. The ball bearings convert the sliding friction between the capsule push-pull plate and the pumping mechanism into rolling friction, reducing resistance and wear between the plates. The roller sleeves convert the sliding friction between the connecting column and the T-shaped connecting bracket into rolling friction, further reducing resistance and wear and extending the service life of the hydraulic pump.

The utility model belongs to the technical field of air circulation control, in particular to a push-pull air tap, which comprises an air tap, a colloid mounting ring, a connecting strap and a sealing cover, the colloid mounting ring is arranged on the periphery of the air tap, the connecting strap is arranged on the outer side of the air tap, and the sealing cover is arranged at the side end of the connecting strap. By arranging the displacement adjusting frame, the positioning frame, the sealing gasket, the flexible connecting strip and the push-pull block, when gas needs to be supplemented, the push-pull block is pulled out, and the flexible connecting strip drives the sealing gasket to be tightly attached to the bottom of the positioning frame. At the moment, inflation equipment is aligned with the air tap, and the air can lift the sealing gasket and enter the air containing structure. If gas needs to be exhausted, the push-pull block is pressed, the push-pull block enables the sleeve to penetrate through the through groove in the middle of the positioning frame through connection of the sleeve and the flexible connecting strip, so that the sealing gasket is pushed inwards and does not make contact with the bottom of the positioning frame, at the moment, the one-way through opening is changed into the two-way through opening, and the gas in the gas containing structure is rapidly exhausted from the gas nozzle.

A telescopic overhanging discharging platform belongs to the technical field of building construction and comprises a steel beam frame, a movable supporting table is arranged on the steel beam frame, the bottom of the supporting table is connected with a first telescopic plate and a second telescopic plate which can move in the length direction of the supporting table, and a rotatable two-way screw is arranged in the center of the bottom of the supporting table. Two fixing blocks which are symmetrically arranged relative to the center line of the two-way screw rod are in threaded connection with the two-way screw rod, push-pull arms are rotationally connected to the two side walls of each fixing block, and the other ends of the push-pull arms are rotationally connected with the side walls of the first telescopic plate and the second telescopic plate correspondingly. According to the utility model, the push-pull arm rotates to push and pull the first telescopic plate and the second telescopic plate to move at the same time, so that the first telescopic plate and the second telescopic plate are close to each other or far away from each other, the telescopic length of the supporting table can be adjusted, and the length of a cantilever part can be flexibly adjusted under the condition that the anchoring length in the structure meets the requirement; and different building construction requirements are greatly met.

The utility model discloses a wooden storage sofa bed structure convenient to push and pull, which comprises a mounting frame, a connecting rod mounted on the inner side of the mounting frame, a side plate at one end of the mounting frame, a partition plate mounted at one end of the mounting frame, a guide rod mounted at one end of the partition plate, and a storage structure mounted on one side of the partition plate, a baffle is installed at the top end of the guide plate, and a drawer is installed on one side of the baffle. The drawer is installed at the top end of the guide plate, the drawer and the guide plate form a sliding structure, the drawer can slide at the top end of the guide plate, the baffle can be grasped to be pulled out of the drawer, then various articles can be placed in the drawer to be stored, the drawer can be pushed into the guide plate after being stored, and the baffle and the partition plate are tightly combined. And when the drawer needs to be drawn out, the bottom end of the baffle can be grasped to draw out the drawer for use, so that the purpose that the sofa bed structure is convenient to increase the storage space is achieved.

According to the technical scheme, the adjustable super calender is characterized in that the adjustable super calender comprises a supporting frame, two first bearing seats are fixedly installed on the top face of the supporting frame, and a fixed roller shaft is arranged between the two first bearing seats in a sleeved mode; during use, a first air cylinder can be started to push and pull a connecting frame to drive two second bearing seats to move synchronously, so that a pull roller shaft can be pushed to be close to or away from a fixed roller shaft, the aim of adjusting the distance is achieved, a driving motor can be started to drive a first worm to rotate, and then a first worm wheel is driven to rotate, so that the effect of rotating the fixed roller shaft is achieved; during use, when the first worm rotates, a connecting rod and a second worm are driven to rotate, a second worm gear and a movable roll shaft are driven to rotate, the effect of synchronous rotation is achieved, meanwhile, the second worm can be driven to move along with the position of the movable roll shaft to be adjusted through sleeving connection of the connecting rod and a clamping groove, and the work efficiency is improved. And the second worm can be adjusted along with the position movement of the movable roll shaft by starting the second air cylinder to push and pull the second worm, so that the convenience is increased.

The invention discloses a universal cycloid spindle blade rotor lifting device, and relates to the technical field of unmanned aerial vehicles. The universal cycloid spindle paddle rotor wing lifting device comprises a shell, a main shaft, a main taper sleeve, a main paddle, an auxiliary paddle and a universal adjusting mechanism. The universal adjusting mechanism comprises a conical fluted disc, a paddle connecting shaft, a driven bevel gear, an electromagnetic telescopic sleeve A, an electromagnetic telescopic sleeve B and a driving control module; the main paddle and the auxiliary paddle are installed at the two ends of the paddle connecting shaft, each paddle is of a spindle-shaped structure with the surface being a cycloid curved surface, the middle of each paddle is thickened, and the edge of each paddle is provided with a flow guide edge protruding outwards. The driving control module controls the two groups of electromagnetic telescopic sleeves to synchronously push and pull to force the paddle connecting shaft to axially translate so as to drive the driven bevel gear to be instantly meshed with or separated from the bevel gear disc on the main shaft; transient micro-adjustment of the attack angle of the blade is achieved through a pure mechanical structure of rigid meshing of the electromagnetic clutch and the gear, the cycloid gradual change pneumatic curved surface is matched, response delay is effectively overcome, blade tip vortex is restrained, and the anti-crosswind stability and the heavy load structure rigidity under complex turbulence are improved.

The utility model relates to the technical field of concrete detection equipment, and discloses a concrete test block size detection device which comprises a main ruler, one end of the main ruler is respectively and fixedly provided with a first outer measuring claw and a first inner measuring claw, and the main ruler below the first outer measuring claw is movably provided with a vernier. One end of the vernier is fixedly provided with a second outer measuring claw and a second inner measuring claw. The vernier below the second outer measuring claw is fixedly provided with a push block. The push block is provided with the vernier pusher, and the vernier pusher is composed of a first push-pull wheel, a second push-pull wheel, a first rotating shaft, a first guide disc, a second rotating shaft, a second guide disc, an ejector rod, a rotating ball and the like, so that the vernier can be pushed and pulled to move on the main ruler by means of the whole vernier pusher; and through cooperation of the adjusting block, the stud and the ejector rod, the abutting pressure of the rotating ball and the contact surface of the main ruler can be achieved, so that real-time limiting of the movement of the vernier is facilitated, the offset of the vernier during operation is reduced, and the accuracy of measured data is improved.

A bent core surgical instrument easy to disassemble comprises a handle assembly and a bent core assembly, and the handle assembly comprises a rotating wheel assembly and a button assembly. The core bending assembly comprises a rod bending assembly and a pipe bending assembly. The bent rod assembly comprises a first clamp piece, a second clamp piece, a base and a bent pull rod. The base comprises a first arm and a second arm which extend from a base shoulder to the far end to form a U-shaped fork shape. The first clamp piece comprises a first clamp tail, a first clamp claw and a clamp handle connected with the first clamp claw; the second clamp piece comprises a second clamp tail, a second clamp claw and a clamp handle connected with the second clamp claw; the first clamp tail and the second clamp tail are mutually stacked and are mounted between the first arm and the second arm; the bent pull rod comprises a driving head and a driving mechanism connected with the driving head, the driving mechanism is connected with the first clamp tail and the second clamp tail, the bent pull rod is moved to push and pull the driving head, the driving head drives the driving mechanism, and the driving mechanism forces the first clamp tail and the second clamp tail to rotate to be closed or opened. Therefore, the first gripper arm and the second gripper arm are forced to rotate to be closed or opened mutually.

The application is a space cabin type massage chair, which comprises an outer main body, a seat part and a flexible backrest part arranged in the middle of the outer main body, an inner seat support and a backrest frame arranged on the inner side of the outer main body and corresponding to the seat part and the backrest part, and a relative movement pinch assembly is arranged on the front side of the lifting seat. The pinch assembly can be combined with a roller back assembly or a vibration assembly to perform synchronous massage work, so that the pinch massage can be performed synchronously with the rolling massage or the vibration massage method, the muscle relaxation efficiency can be improved, and the rotation angle of the roller back assembly can be controlled by the extension and retraction of the telescopic push rod. The roller of the roller back assembly can be quickly and flexibly controlled to separate from or press against the back. Under the connection action of the linkage rod group, the rotation adjustment of the roller back assembly can simultaneously push and pull the front and rear positions of the vibration assembly, so that the vibration assembly contacts or separates from the back, the roller back assembly and the vibration assembly are quickly switched, and the use flexibility of the equipment is improved.

The utility model discloses a transverse moving push-pull mechanism which comprises an installation seat and a cylinder body, and the cylinder body is fixedly arranged outside the installation seat in a sleeved mode. By means of the mechanical simplified design, a worker only needs to start hydraulic equipment to inject hydraulic oil into the cylinder body, and then the sliding plate can drive the push rod to be in linkage with the connecting block and the suspension device to control the steel rail to move. And the working difficulty and strength of workers are reduced, and the transverse moving convenience of the steel rail is further improved. Through the design of multiple sealing functions, sealing treatment can be conducted on the push rod and the area between the sliding plate and the cylinder body, hydraulic oil injected into the cylinder body is prevented from seeping out of the cylinder body, the sealing effect of the interior of the cylinder body is ensured, and through the design of the limiting function, the moving distance of the push rod can be controlled; the sliding plate is prevented from colliding with the limiting plate, and the service life of the sliding plate and the limiting plate is prolonged.

The utility model belongs to the field of baby crib, concretely relates to a baby crib with swing mechanism, including the bottom plate, the bottom of bottom plate is provided with a plurality of even distribution's self -lock wheel, the top of bottom plate is fixedly connected with two symmetrical distribution's support rod, the top of support rod is fixedly connected with fixed seat, the top of fixed seat is fixedly connected with fixed block, the inboard of fixed block is rotatably connected with connecting block through bearing. The utility model discloses the effect of motor is designed, and the output of motor can drive the rotation of carousel, and carousel can push and pull connecting rod and make it deflect, and connecting rod can pull articulated seat and guide block and move, and guide block can slide along guide rod, and cooperate the articulated connection of connecting block and fixed block, can realize the swing of bed body, can make baby crib shake more stable and soft to improve baby comfort, and the operation noise is lower, and the structure is simpler, and is more suitable for the use demand under the use demand of maternal and infant rest and domestic scene.

The utility model relates to aluminium alloy frame processing technical field and disclose a kind of aluminium alloy frame high-precision processing equipment, including cutting table, cutting table is the block of "U" shape, the upside of cutting table is slidably installed with the first sliding block and the second sliding block of symmetrical arrangement, the upside of first sliding block is rotatably installed with first connecting block, the upside of first connecting block is equidistantly provided with first threaded hole, and the inside screw thread connection of first threaded hole has first locking threaded column.The utility model in the present application, first locking threaded column is inserted into first threaded hole by penetrating frame, second locking threaded column is fixed in second threaded hole by penetrating frame, effectively resist cutting vibration, closed loop drive system of screw nut mounting seat and rotating screw rod, sliding block displacement is accurately controlled by rotating motor, avoid the positioning drift caused by artificial push and pull.This structure integrates frame correction, locking and feeding, and solves the problem of cutting edge deflection from the root.

A hasp type quick-change tool is mainly used in the technical field of vehicle chassis transmission shaft tests. A cover plate is fixedly connected to the upper surface of the mounting base, a sliding groove is formed in the bottom of the cover plate, clamping jaws are arranged on the inner wall of the sliding groove and the upper surface of the mounting base in an attached mode, springs are fixedly connected to one ends of the clamping jaws and one end of the sliding groove, trapezoidal blocks are fixedly connected to the other ends of the clamping jaws, and fixing blocks are arranged on the surfaces of the trapezoidal blocks in an attached mode. Traditional common flange connection is replaced by clamping jaw connection, the installation efficiency of the transmission shaft is greatly improved, the time needed for installation is effectively shortened, in the disassembly link, the tedious mode of disassembling bolts is abandoned, the mode is changed into the simple operation of pushing and pulling the transmission shaft, and therefore the transmission shaft can be rapidly disassembled, and the labor intensity of workers is reduced. And the labor intensity of testers is greatly reduced.

The utility model relates to an automatic door opening and closing mechanism and door box equipment, which can realize full-angle automatic door opening and closing and improve user experience. The automatic door opening and closing mechanism comprises a hinge assembly and a door closing assembly, wherein the hinge assembly comprises a hinge base used for being fixedly connected with a box body frame, a hinge support used for being fixedly connected with a door body assembly and a rotating shaft enabling the hinge support to be rotatably connected to the hinge base; the pull rope spring assembly comprises a pull rope connected with the hinge support and a spring used for being connected with the box body frame, and the spring is connected to the pull rope and used for applying tension moment balanced with gravity moment of the door body assembly to the door body assembly; the connecting rod driving assembly comprises a linear driving mechanism and a connecting rod in driving connection with the linear driving mechanism, and the connecting rod is connected to the hinge support in a limiting mode and used for pushing and pulling the hinge support under driving of the linear driving mechanism so as to break moment balance.

The utility model relates to the field of pipeline cleaning and dredging, in particular to a drainage pipeline cleaning and dredging device which comprises a body, and one end of the body is bent downwards and connected with a plug. A piston assembly is movably arranged in an inner cavity of the main body, the piston assembly can reciprocate in the side wall direction of the main body, and the piston assembly and the side wall of the main body are arranged in a sealed mode; the side, deviating from the plug, of the piston assembly is connected with one end of a pull rod, an end cover is arranged at the other end of the body, a retaining hole is formed in the center of the end cover, and the other end of the pull rod penetrates through the retaining hole, extends to the outer side of the body and is connected with a push-pull handle. A second vent hole is formed in the end cover; an operator holds the push-and-pull handle to repeatedly push and pull the push-and-pull handle to drive the piston assembly to reciprocate in the main body, so that drawing negative pressure and forward pushing positive pressure are alternately formed on the two sides of the piston assembly to act in a blocked pipeline, and therefore blockages in the pipeline are cleaned and dredged, and the whole structure is simple, light, portable and convenient to use. An operator can operate and use the device without professional dredging skills.

This utility model discloses a push-pull effort-saving sofa bed structure, relating to the field of sofa beds. It addresses the problem of time-consuming and laborious operation due to the fixed push-pull stroke in existing technologies and the relatively heavy weight of the sofa bed frame. The fixed base includes a first limiting plate, with a first rotating gear rotatably connected to its lower end via a shaft. A second rotating gear is coaxially connected to the lower end of the first rotating gear. The front movable bed frame includes a second limiting plate, with multiple lower fixing blocks fixed in an array at its lower end. A first rack is integrally connected to the front end of each lower fixing block, and the first rack corresponds to and meshes with the first rotating gear in a left-right position. The push-pull assembly includes a lower sliding plate, with multiple front fixing blocks fixed in an array at its rear end. A second rack is integrally connected to the rear end of each front fixing block, and the second rack corresponds to and meshes with the second rotating gear in a left-right position.

The utility model discloses a fixed packing packaging wrapping film tester, including the portal frame and L type frame of fixed on the test platform, and L type frame has two oblique poles respectively located in the oblique plate and deviates L type frame one side front and rear through the articulated seat swing articulates, and the upper end fixed support of oblique pole is supported in the support rod of L type frame one side, and the surface of two oblique poles all slide sleeve joint has the sliding sleeve, and all fixed have fixed sleeve on two sliding sleeves, and all movable link have movable link in two fixed sleeves, and the lower end of two movable links is rotatoryly connected with the both ends of compression roller, and the compression roller can press in the surface of the film of waiting for measuring, and the surface of movable link is installed between the compression spring of fixed sleeve and compression roller, and the upper end of two movable links is fixedly connected with handle. The utility model discloses a handle along oblique pole up and down push and pull compression roller, and through the oblique pole limit compression spring compression distance, and through compression spring and compression roller to the film of waiting for measuring and bottom film and exert pressure, and do not adopt artificial pressure, reduce artificial operation interference, and improve the test result accuracy.

The utility model relates to the technical field of dies, and particularly discloses an air cylinder sliding block machining device which comprises an upper interlayer, the upper interlayer comprises an upper die base, an upper die plate on the inner side and a lower interlayer, the lower interlayer comprises a lower die base and a lower die plate on the inner side, and a cavity for forming a shell is formed in the inner side of the lower die plate. A female die sliding block, a male die sliding block and a vertical abutting block are arranged in the positions, on the two sides of the cavity, of the lower die plate respectively, a first push rod and a second push rod which are used for driving the female die sliding block and the male die sliding block respectively are arranged on the inner side of the upper die plate, and a hole is formed in the female die sliding block and aligned with a first boss of the shell. The problems that in the production and preparation process of a traditional die, the feeding amount is limited, in the forming process, only the function of forming a cross-shaped groove can be achieved, and the production cost is low are solved. And the step of transverse trepanning cannot be completed.

This disclosure relates to the field of heating reactor technology. One embodiment of this disclosure provides a liquid heating reactor for laundry detergent, which includes a sliding plate, a receiving cylinder, a push-pull assembly, and a stabilizing assembly. The sliding plate is fixedly installed on the inner side of a mounting frame via several connecting rods, and two sliding grooves are provided at the top of the sliding plate. The receiving cylinder is slidably installed on the sliding grooves of the sliding plate via a sliding frame, and is placed at the top of the sliding frame. The push-pull assembly is provided on the connecting rods for driving the receiving cylinder to push and pull. The stabilizing assembly is provided on the sliding frame for fixing the receiving cylinder placed on the sliding frame. This technical solution solves the technical problem in the prior art where placing and retrieving containers under the reactor requires workers to bend over and climb under the mounting frame, causing inconvenience.

The invention belongs to the field of engine assembly, and particularly relates to a loading control system for a rotating part in a semi-closed cavity, which comprises a bearing system and a spring system, the spring system is connected into the bearing system, and the spring system can be pushed and pulled by moving the bearing system; the spring system comprises a blind hole shaft, a large spring and a small spring; the small spring is coaxially connected into a blind hole of the blind hole shaft, and the large spring is coaxially connected to the outer wall of the blind hole shaft. One ends of the large spring and the small spring are free ends, and the other ends are fixed ends; the free ends and the fixed ends of the large spring and the small spring are positioned in the same direction; the device is small, light, easy to operate, simple in structure and low in machining cost. The device can adapt to the axial force loading operation of a rotating part in a semi-closed cavity with a small internal space, a narrow outlet and a low visual degree, and can also be used in an open space to replace similar equipment with similar functions but complex structures.