CN114476960A - Crane with derailment prevention function for pilot simulation - Google Patents

Abstract

A crane with an anti-derailment function for pilot simulation comprises a bridge, wherein a crane trolley is mounted on the bridge and comprises a lower walking trolley frame, the lower walking trolley frame is provided with symmetrical walking trolley groups and a walking driving device for driving the walking trolley groups to operate, an upper rotating trolley frame is arranged above the lower walking trolley frame, the upper rotating trolley frame is provided with a lifting device, the bottom of the upper rotating trolley frame is provided with a rotary trolley group and a rotary driving device for driving the rotary trolley group, the lower walking trolley frame is provided with an annular rail matched with the rotary trolley group, and the top of the outer side surface of the annular rail is lower than the top of the inner side surface of the annular rail; the end part of the lower walking trolley frame is provided with a walking buffering derailing prevention device, and the bottom part of the upper rotating trolley frame is provided with a rotating derailing prevention device. The invention is convenient for driving the lifting appliance and the simulated aircraft arranged at the bottom of the lifting appliance to rotate, horizontally move or vertically lift, meets the training requirement and has the derailment prevention function.

Description

Crane with derailment prevention function for pilot simulation

Technical Field

The invention relates to the technical field of cranes, in particular to a crane with an anti-derailment function for pilot simulation.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, the crane is more in types, the common crane comprises a bridge crane, a portal crane and the like, the common crane generally comprises a bridge frame, a crane trolley capable of moving left and right along a main beam is mounted on the bridge frame, an electric hoist or a winch is arranged on the crane trolley, a steel wire rope is arranged on the electric hoist or the winch, a lifting appliance is mounted at the free end of the steel wire rope, and is used for placing heavy objects and convenient to drive the heavy objects to move horizontally or vertically. At training pilot in-process, often at the bottom installation simulation aircraft of hoist, the pilot practices the operation in simulation aircraft, conventional monkey only can drive simulation aircraft and remove and reciprocate, be difficult to satisfy at the training in-process, require the simulation demand that simulation aircraft can rotate, and at the operation in-process, the derailment phenomenon easily appears, so need design a hoist for pilot simulation with derailment prevention function, it is rotatory to be convenient for drive the hoist and install the simulation aircraft in the hoist bottom, horizontal migration or vertical lift, satisfy the simulation requirement, and have the derailment prevention function, improve the stability and the security of operation.

Disclosure of Invention

The invention aims to: the utility model provides a hoist is used in pilot simulation with anticreep rail function, is convenient for drive the hoist and install the simulation aircraft rotation, horizontal migration or the vertical lift in the hoist bottom, satisfies the training requirement to have the anticreep rail function, improve the stability and the security of operation.

The technical scheme adopted by the invention is as follows:

a crane with an anti-derailment function for pilot simulation comprises a bridge, wherein a crane trolley is mounted on the bridge and comprises a lower walking trolley frame, the lower walking trolley frame is provided with symmetrical walking trolley groups and a walking driving device for driving the walking trolley groups to operate, an upper rotating trolley frame is arranged above the lower walking trolley frame, the upper rotating trolley frame is provided with a lifting device, the bottom of the upper rotating trolley frame is provided with a rotary trolley group and a rotary driving device for driving the rotary trolley group, the lower walking trolley frame is provided with an annular rail matched with the rotary trolley group, and the top of the outer side surface of the annular rail is lower than the top of the inner side surface of the annular rail; the end part of the lower walking trolley frame is provided with a walking buffering derailing prevention device, and the bottom part of the upper rotating trolley frame is provided with a rotating derailing prevention device.

The crane span structure includes the girder of two symmetries, and the top of girder all is equipped with the dolly track, and the both ends of girder are fixed with the end beam, install cart operating device on the end beam, and two end beams that lie in same one side can dismantle fixed connection through the connecting plate.

The outside that the end beam is close to crane trolley center one end is fixed with the round pin axle, is equipped with the pinhole on the connecting plate, and the round pin axle runs through corresponding pinhole, and the upper portion and the lower part of round pin axle outer end all are equipped with round pin axle limiting plate, are equipped with the draw-in groove on the round pin axle limiting plate, and the draw-in groove joint is on the outer wall of round pin axle, and round pin axle limiting plate passes through bolt and end beam fixed connection, is equipped with on the end beam with bolt complex screw hole, and the tight outside at the connecting plate in round pin axle limiting plate top.

The hoisting device comprises a hoisting driving device fixed at the top of the upper rotating trolley frame, the output end of the hoisting driving device is provided with a symmetrical winding drum, the winding drum is provided with a plurality of spaced steel wire rope groups, the lower part of the upper rotating trolley frame is provided with a lifting appliance, and the lifting appliance is arranged below the winding drum through the steel wire rope groups.

The upper rotating trolley frame is provided with a mounting hole group corresponding to the steel wire rope group, the mounting hole group comprises a first mounting hole and a second mounting hole which are respectively arranged on two sides of the winding drum, the second mounting hole is far away from the winding drum than the first mounting hole, and a second fixed pulley is mounted at the top of the second mounting hole.

The steel wire rope group comprises a first steel wire rope and a second steel wire rope which are wound along the winding drum at intervals, a first movable pulley corresponding to the first steel wire rope and a second movable pulley corresponding to the second steel wire rope are respectively installed at the top of the lifting appliance, the central lines of the first movable pulley and the second movable pulley corresponding to the same steel wire rope group are parallel, one ends of the first steel wire rope and the second steel wire rope are fixed on the winding drum, the other end of the first steel wire rope penetrates through the first mounting hole, bypasses the corresponding first movable pulley and is fixed at the bottom of the upper rotating trolley frame, the other end of the second steel wire rope bypasses the second fixed pulley and penetrates through the second mounting hole, and then bypasses the corresponding second movable pulley and is fixed at the bottom of the upper rotating trolley frame.

The central lines of the first movable pulleys corresponding to the adjacent steel wire rope groups are vertical, and the central lines of the second movable pulleys corresponding to the adjacent steel wire rope groups are also vertical.

The first movable pulley and the second movable pulley which correspond to the same steel wire rope group are symmetrical about the longitudinal center line of the lifting appliance, and the longitudinal center line of the lifting appliance is parallel to the axis of the winding drum; the winding drum is provided with two spaced steel wire rope groups, the central lines of the first movable pulley and the second movable pulley corresponding to one steel wire rope group are parallel to the longitudinal central line of the lifting appliance, and the central lines of the first movable pulley and the second movable pulley corresponding to the other steel wire rope group are parallel to the transverse central line of the lifting appliance.

The lifting driving device comprises a lifting driving motor, a bidirectional output speed reducer is mounted on the lifting driving motor, symmetrical output shafts are arranged on the bidirectional output speed reducer, and the winding drums are mounted on the corresponding output shafts; promote driving motor setting in one side of last rotatory trolley frame, the reel setting is in the opposite side of last rotatory trolley frame, and wherein the second mounting hole sets up in same one side with promoting driving motor, and first mounting hole sets up the one side that deviates from promoting driving motor at the reel.

The crane for pilot simulation with the derailment prevention function further comprises a damping mounting device, and the first steel wire rope and the second steel wire rope are fixed to the bottom of the upper rotating trolley frame through the damping mounting device.

Shock attenuation installation device includes the bottom plate, the top of bottom plate is fixed with two spaced fixed plates, be equipped with the pull rod between two fixed plates, be equipped with the through hole that corresponds with the pull rod on the bottom plate, the bottom of pull rod extends to the through hole outside and installs wire rope and use the wedge joint, the top of bottom plate is fixed with the lower sleeve, the pull rod runs through the lower sleeve, the upper portion cover of pull rod is equipped with the installation cover, the top of installation cover is equipped with adjusting nut, adjusting nut and pull rod threaded connection, the cover is equipped with compression spring on the pull rod, compression spring's lower part sets up in the lower sleeve, compression spring's bottom top is tight on the bottom plate, compression spring's upper portion sets up in the installation cover, compression spring's top is tight at the top of installation cover.

The end parts of the first steel wire rope and the second steel wire rope are respectively arranged on the corresponding wedge-shaped joints for the steel wire ropes, the bottom of the upper rotating trolley frame is fixedly provided with a bearing beam, and the fixing plate is fixedly arranged on the side face of the bearing beam.

The pull rod is provided with a limiting pin, and the limiting pin is arranged above the adjusting nut; a gasket is arranged between the adjusting nut and the mounting sleeve, and the pull rod penetrates through the gasket; the steel wire rope is arranged at the bottom of the pull rod through a pin shaft by a wedge-shaped joint, and the pull rod is provided with a through hole matched with the pin shaft.

The upper rotating trolley frame comprises an upper supporting ring, an upper supporting plate is fixed at the top of the upper supporting ring, a rotating trolley wheel set is installed at the bottom of the upper supporting ring, and a lifting device is installed at the top of the upper supporting plate.

The lower walking trolley frame comprises a lower support ring and symmetrical trolley walking beams, the lower support ring is arranged below the upper support ring, the trolley walking beams are arranged on two sides of the lower support ring, the trolley walking beams and the lower support ring are fixedly connected through an L-shaped connecting column, the annular rail is fixed at the top of the lower support ring, and the walking wheel sets are arranged on the corresponding trolley walking beams.

The crane trolley further comprises a conductive slewing device, the conductive slewing device comprises an upper fixing support in a shape like a Chinese character 'men', two ends of the upper fixing support are fixed on the trolley walking beam, a sliding ring is mounted in the middle of the upper fixing support, a lower slewing support is mounted at the bottom of the sliding ring, the lower slewing support is fixed on the upper supporting plate, the upper fixing support and the lower slewing support are both internally hollow pipelines and are both provided with a wire inlet and a wire outlet, cables are arranged in the upper fixing support and the lower slewing support, and the cables are respectively connected with the sliding ring.

The two ends of the trolley walking beam are provided with walking buffering derailing prevention devices.

Walking buffering anticreep rail device includes equipment board, buffering subassembly and anticreep rail subassembly, and anticreep rail subassembly and buffering subassembly are installed in one side of equipment board, and the anticreep rail subassembly sets up in the below of buffering subassembly.

The anti-derailing assembly comprises a horizontal first assembling plate, the first assembling plate is fixed on the assembling plate, symmetrical anti-derailing wheel devices are mounted on the first assembling plate, the two anti-derailing wheel devices are respectively arranged on two sides of the trolley track, each anti-derailing wheel device comprises a mounting shaft, the mounting shaft comprises a vertical middle shaft body, a vertical lower shaft body is arranged at the bottom of the middle shaft body, the middle shaft body and the lower shaft body are eccentrically arranged, the middle shaft body penetrates through the first assembling plate, anti-derailing wheels matched with the side surfaces of the trolley track are rotatably mounted on the lower shaft body, and a locking device is mounted on the middle shaft body;

the locking device comprises a shaft sleeve, a locking ring is fixed at the bottom of the shaft sleeve, a middle shaft body sequentially penetrates through the locking ring and the shaft sleeve, a first opening is formed in the side surface of the shaft sleeve, a first locking bolt is installed at the first opening, the first locking bolt penetrates through the first opening and is in threaded connection with the side surface of the middle shaft body, and the outer end of the first locking bolt is tightly propped against the outer wall of the shaft sleeve; a plurality of second gaps are arranged in the circumferential direction of the locking ring at intervals, a second locking bolt is arranged at each second gap, the second locking bolt penetrates through each second gap and is in threaded connection with the first assembling plate, and the top end of the second locking bolt is tightly propped against the top of the locking ring.

The top of first pilot plate is equipped with the horizontally second pilot plate, and the second pilot plate is fixed on the equipment board, and the top of well axis body is equipped with vertical last axis body, and the last axis body runs through the second pilot plate, and the top threaded connection of going up the axis body has fixation nut, and the top of going up the axis body is equipped with spacing hole, spacing downthehole spacer pin that is equipped with, and the spacer pin setting is in fixation nut's top.

Reinforcing plates are fixed at the middle part and the front side between the first assembling plate and the second assembling plate.

The buffer assembly comprises a buffer fixed on the assembling plate, a plurality of spaced reinforcing ribs are fixed at one end of the buffer close to the assembling plate, the reinforcing ribs are uniformly arranged along the circumferential direction of the buffer at intervals, and the reinforcing ribs are fixedly connected with the assembling plate.

The middle part of the other side of the assembling plate is provided with a vertical limiting strip, the end part of the trolley walking beam is fixed with an inverted U-shaped plate, the U-shaped plate is provided with a limiting groove matched with the limiting strip, and the assembling plate can be detachably fixed on the U-shaped plate.

The rotary wheel set comprises a driving rotary wheel and a plurality of driven rotary wheels, the rotary driving device is in transmission connection with the driving rotary wheel, a wheel frame is fixed at the bottom of the upper rotary trolley frame, and the driving rotary wheel and the driven rotary wheels are respectively connected to the corresponding wheel frames in a rotating mode.

The driving rotary wheel and the driven rotary wheel respectively comprise a wheel body matched with the annular track, wheel limiting plates are arranged at the inner ends of the wheel body, intervals are arranged between the wheel limiting plates and the inner side surface of the annular track, the wheel body is in a round table shape, and the diameter of the inner end of the wheel body is smaller than that of the outer end of the wheel body.

The front side and the rear side of the wheel frame are both provided with rotary derailing prevention devices, each rotary derailing prevention device comprises a horizontal wheel, and the horizontal wheels are matched with the inner side face of the annular track.

The wheel frame includes two spaced mounting panels, and the wheel body rotates to be connected between two mounting panels, is fixed with the roof between two mounting panels, and the roof can be dismantled and fix in the bottom of last rotatory trolley frame, and the front and back side of wheel body all is equipped with vertical curb plate, and the bottom at the roof is fixed at the top of curb plate, and the lower part of curb plate is fixed with the horizontal plate, and rotatory derailment prevention device installs on the lateral surface of horizontal plate.

The middle part of horizontal wheel rotates and is connected with vertical pivot, is fixed with vertical sliding sleeve on the horizontal plate, and the sliding sleeve runs through the horizontal plate, and the sliding sleeve is run through to the pivot, and the top threaded connection of pivot has lock nut, and lock nut pushes up the top at the sliding sleeve tightly.

The included angle between the top surface of the annular track and the horizontal plane is marked as a, and the range of a is 3-6 degrees.

The invention is convenient to drive the lifting appliance and the simulated aircraft arranged at the bottom of the lifting appliance to rotate, horizontally move or vertically lift, meets the training requirement, has the function of derailment prevention, and improves the stability and the safety of operation, before the use, the simulated aircraft and other equipment are arranged on the lifting appliance, when the lifting appliance is used, the walking driving device drives the walking wheel set to rotate and drives the lower walking trolley frame to move along the bridge, the rotary driving device is used for driving the rotary wheel set to rotate, the rotary wheel set moves along the annular track and drives the upper rotary trolley frame and the lifting device on the upper rotary trolley frame to rotate, the lifting device drives the lifting appliance to vertically lift, during the movement of the rotary wheel set along the annular track, the difference between the linear speeds of the inner side and the outer side of the wheel body is large, the internal and external wear is inconsistent, the friction force between the wheel body and the annular track is increased, the top of the outer side of the annular track is lower than the top of the inner side of the annular track, the top of the annular track is inclined with a high inside and a low outside, and the abrasion condition can be reduced by matching the rotary wheel set with the annular track; the bottom of the upper rotating trolley frame is provided with a rotating derailing prevention device which has the function of preventing the upper rotating trolley frame from derailing; the end part of the lower walking trolley frame is provided with a walking buffering derailing prevention device which has the function of preventing the lower walking trolley frame from derailing.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a partial schematic structural view of an end beam and a connecting plate;

FIG. 4 is a schematic perspective view of a crane trolley;

FIG. 5 is a schematic top view of the crane trolley;

FIG. 6 is a schematic view of a partial structure of the crane trolley;

FIG. 7 is a left side view schematic of the crane trolley;

FIG. 8 is a schematic illustration of a wire rope wrap;

fig. 9 is a schematic structural view of a spreader;

FIG. 10 is a schematic structural view (one) of the shock mount apparatus;

FIG. 11 is a schematic structural view of the shock absorbing mounting apparatus (II);

FIG. 12 is a schematic top view of the shock mount;

FIG. 13 is a schematic view of the mounting of the upper swivel frame with the shock mount;

FIG. 14 is a schematic structural view of a conductive rotating device;

FIG. 15 is a schematic structural view of a slip ring and a lower rotating bracket;

FIG. 16 is a schematic view of a partial structure of an active turning wheel, a turning drive device and a lower traveling carriage;

FIG. 17 is a schematic structural view of a wheel frame and an active turning wheel;

FIG. 18 is a schematic view of the structure of the wheel carrier, the active swivel wheel and the circular track;

FIG. 19 is a cross-sectional view of an endless track;

FIG. 20 is a schematic structural view of the walking buffering derailing prevention device;

FIG. 21 is a schematic view of the construction of the sleeve and locking ring;

FIG. 22 is a schematic view of the structure of the assembled panel;

FIG. 23 is a schematic structural view of a U-shaped plate;

FIG. 24 is a schematic view of the mounting shaft configuration.

Detailed Description

As shown in fig. 1-24, a pilot simulation crane with derailment prevention function comprises a bridge frame, a crane trolley 5 is mounted on the bridge frame, the crane trolley 5 comprises a lower traveling trolley frame, symmetrical traveling trolley wheel sets 19 and a traveling driving device 20 for driving the traveling trolley wheel sets 19 to operate are mounted on the lower traveling trolley frame, the traveling trolley wheel sets 19 comprise driving traveling wheels and driven traveling wheels, the driving traveling wheels are in transmission connection with the traveling driving device 20, the traveling driving device 20 adopts a motor provided with a speed reducer, which is the prior art and is not repeated herein, an upper rotating trolley frame is arranged above the lower traveling trolley frame, a lifting device is mounted on the upper rotating trolley frame, a rotary driving device 23 for driving the rotary trolley wheel sets and the rotary trolley wheel sets is mounted at the bottom of the upper rotating trolley frame, the rotary driving device 23 adopts a motor provided with a speed reducer, an annular track 55 matched with the rotary wheel set is arranged on the lower walking trolley frame, the top of the outer side surface of the annular track 55 is lower than the top of the inner side surface of the annular track 55, namely the top of the annular track 55 is in an inclined shape with a high inside and a low outside; the end part of the lower walking trolley frame is provided with a walking buffer derailing prevention device which has the function of preventing the lower walking trolley frame from derailing; the bottom of the upper rotating trolley frame is provided with a rotating derailing prevention device, so that the upper rotating trolley frame is prevented from derailing, and the stability and the safety of operation are improved.

The crane span structure includes the girder 4 of two symmetries, and the top of girder 4 all is equipped with the dolly track, and the both ends of girder 4 are fixed with end beam 7, and cart operating device 6 installs on end beam 7, and two end beams 7 that lie in same one side can dismantle fixed connection through connecting plate 8.

The outside that end beam 7 is close to 5 central one ends of monkey is fixed with round pin axle 11, be equipped with pinhole 9 on connecting plate 8, round pin axle 11 runs through corresponding pinhole 9, the equal joint in upper portion and the lower part of round pin axle 11 outer end has round pin axle limiting plate 10, be equipped with the draw-in groove on round pin axle limiting plate 10, the draw-in groove joint is on round pin axle 11's outer wall, round pin axle limiting plate 10 passes through bolt 12 and end beam 7 fixed connection, be equipped with on the end beam 7 with bolt 12 complex screw hole, in this embodiment, the diameter of pinhole 9 is greater than the diameter of round pin axle 11, the screw hole sets up in pinhole 9, be convenient for bolt 12 links together connecting plate 8 and end beam 7, round pin axle limiting plate 10 top is tight in the connecting plate 8 outsides, realize that round pin axle limiting plate 10 can dismantle to fix on end beam 7.

The lifting device comprises a lifting driving device fixed at the top of the upper rotating trolley frame, symmetrical winding drums 18 are installed at the output ends of the lifting driving device, a plurality of spaced steel wire rope sets 3 are arranged on the winding drums 18, a lifting appliance 33 is arranged below the upper rotating trolley frame, and the lifting appliance 33 is installed below the winding drums 18 through the steel wire rope sets 3.

The upper rotating trolley frame is provided with a mounting hole group corresponding to the steel wire rope group 3, the mounting hole group comprises a first mounting hole and a second mounting hole which are respectively arranged on two sides of the winding drum 18, the second mounting hole is far away from the winding drum 18 than the first mounting hole, and a second fixed pulley 25 is mounted at the top of the second mounting hole.

The wire rope group 3 comprises a first wire rope 31 and a second wire rope 32 which are wound along the winding drum 18 at intervals, the first wire rope 31 and the second wire rope 32 both rotate along the same direction of the winding drum 18, in this embodiment, the wire rope group 3 comprises two wire ropes, a first movable pulley 34a corresponding to the first wire rope 31 and a second movable pulley 34b corresponding to the second wire rope 32 are respectively installed at the top of the hanger 33, the center lines of the first movable pulley 34a and the second movable pulley 34b corresponding to the same wire rope group 3 are parallel, one ends of the first wire rope 31 and the second wire rope 32 are fixed on the winding drum 18, the other end of the first wire rope 31 passes through the first mounting hole, passes through the corresponding first movable pulley 34a and is fixed at the bottom of the upper rotating trolley frame, the other end of the second wire rope 32 passes through the second fixed pulley 25 and passes through the second mounting hole, the second fixed pulley 25 plays a role in transition transmission, the steel wire rope can smoothly penetrate through the second mounting hole, then pass through the corresponding second movable pulley 34b and be fixed at the bottom of the upper rotating trolley frame.

The center lines of the first movable pulleys 34a corresponding to the adjacent wire rope groups 3 are vertical, and the center lines of the second movable pulleys 34b corresponding to the adjacent wire rope groups are also vertical.

The first movable pulley 34a and the second movable pulley 34b corresponding to the same wire rope group 3 are symmetrical with respect to the longitudinal center line of the hoist 33, and the longitudinal center line of the hoist 33 is parallel to the axis of the winding drum 18.

Two spaced steel wire rope sets 3 are arranged on the winding drum 18 to increase the safety and stability of the lifting appliance 33, the central lines of a first movable pulley 34a and a second movable pulley 34b corresponding to one steel wire rope set 3 are parallel to the longitudinal central line of the lifting appliance 33, the central lines of a first movable pulley 34a and a second movable pulley 34b corresponding to the other steel wire rope set 3 are parallel to the transverse central line of the lifting appliance 33, the steel wire ropes on the lifting appliance 33 increase resistance in two directions to prevent the lifting appliance 33 from swinging in two directions, when the lifting appliance 33 swings towards the direction of the longitudinal central line of the lifting appliance 33, the first fixed pulley 34 of which the central line is parallel to the longitudinal central line of the lifting appliance 33 prevents and reduces swinging, and when the lifting appliance 33 swings towards the direction of the transverse central line of the lifting appliance, the first fixed pulley 34 of which the central line is parallel to the transverse central line of the lifting appliance 33 prevents and reduces swinging.

The winding positions of the first steel wire rope 31 and the second steel wire rope 32 in the two steel wire rope groups 3 can be adjusted according to installation requirements.

The lifting driving device comprises a lifting driving motor 27, a bidirectional output speed reducer 26 is mounted on the lifting driving motor 27, symmetrical output shafts are arranged on the bidirectional output speed reducer 26, and the winding drums 18 are mounted on the corresponding output shafts; the lifting driving motor 27 is arranged on one side of the upper rotating trolley frame, the winding drum 18 is arranged on the other side of the upper rotating trolley frame, the second mounting hole and the lifting driving motor 27 are arranged on the same side, the upper rotating trolley frame is kept balanced, and the first mounting hole is arranged on one side, deviating from the lifting driving motor 27, of the winding drum 18.

The crane for pilot simulation with the derailment prevention function further comprises a damping mounting device, and the first steel wire rope and the second steel wire rope are fixed to the bottom of the upper rotating trolley frame through the damping mounting device.

Shock attenuation installation device 29, shock attenuation installation device 29 includes bottom plate 36, the top of bottom plate 36 is fixed with two spaced fixed plates 37, be equipped with pull rod 44 between two fixed plates 37, be equipped with the through-hole that corresponds with pull rod 44 on the bottom plate 36, the bottom of pull rod 44 extends to outside the through-hole and installs wedge joint 35 for the wire rope, the top of bottom plate 36 is fixed with lower sleeve 38, pull rod 44 runs through lower sleeve 38, the upper portion cover of pull rod 44 is equipped with installation cover 40, the top of installation cover 40 is equipped with adjusting nut 42, adjusting nut 42 and pull rod 44 threaded connection, the cover is equipped with compression spring 39 on the pull rod 44, compression spring 39 is in compression state, the lower part of compression spring 39 sets up in lower sleeve 38, compression spring 39's bottom is pushed up tightly on bottom plate 36, compression spring 39's upper portion sets up in installation cover 40, compression spring 39's top is pushed up tightly at the top of installation cover 40.

The ends of the first wire rope 31 and the second wire rope 32 are respectively mounted on the corresponding wedge-shaped joint 35 for wire ropes, and a bearing beam 46 is fixed to the bottom of the upper swivel bracket, in this embodiment, the bearing beam 46 is fixed to the bottom of the upper support plate 16, and the fixing plate 37 is fixed to the side of the bearing beam 46.

The shock attenuation installation device 29 solves the problem that the hoist 33 is uneven due to the difference in length of the steel wire rope, when the hoist 33 is uneven due to the difference in length of the steel wire rope, the adjusting nut 42 is rotated upwards or downwards along the pull rod 44, the levelness of the hoist 33 is adjusted, when the adjusting nut 42 is rotated upwards, the compression spring 39 rebounds upwards, the compression spring 39 drives the mounting sleeve 40 to move upwards, the mounting sleeve 40 pushes the adjusting nut 42 upwards, the adjusting nut 42 drives the pull rod 44 to move upwards, the pull rod 44 drives the wedge-shaped joint 35 for the steel wire rope to move upwards, the position of the wedge-shaped joint 35 for the steel wire rope is adjusted, and therefore the position of the fixed point of the steel wire rope is adjusted, and therefore the levelness of the hoist 33 is adjusted.

Shock attenuation installation device 29 also can play certain cushioning effect, when vibrations appear, compression spring 39 cushions, reduce vibrations to wire rope and hoist 33's influence, when compression spring 39 is compressed to installation cover 40 and lower sleeve 38 top tight contact, reach the biggest stroke of buffering, compression spring 39 cover is established on pull rod 44, it is spacing to its inside, compression spring 39's upper portion sets up in installation cover 40, compression spring 39's lower part sets up in lower sleeve 38, it is spacing to compression spring 39's the outside, avoid compression spring 39 at vibrations in-process, control and rock, improve its buffering effect.

The pull rod 44 is provided with a limit pin 43, the limit pin 43 is arranged above the adjusting nut 42, and the limit pin 43 plays a limiting role to prevent the adjusting nut 42 from falling off; a gasket 41 is arranged between the adjusting nut 42 and the mounting sleeve 40, and a pull rod 44 penetrates through the gasket 41; the wedge-shaped joint 35 for the steel wire rope is arranged at the bottom of the pull rod 44 through the pin shaft 11, and the pull rod 44 is provided with a through hole matched with the pin shaft 11.

The upper rotating trolley frame comprises an upper supporting ring 15, an upper supporting plate 16 is fixed at the top of the upper supporting ring 15, the rotating wheel set is installed at the bottom of the upper supporting ring 15, and the lifting device is installed at the top of the upper supporting plate 16.

The lower walking trolley frame comprises a lower support ring 30 and symmetrical trolley walking beams 13, the lower support ring 30 is arranged below the upper support ring 15, the trolley walking beams 13 are arranged on two sides of the lower support ring 30, the trolley walking beams 13 and the lower support ring 30 are fixedly connected through an L-shaped connecting column 14, the annular track 55 is fixed at the top of the lower support ring 30, and the walking trolley wheel set 19 is arranged on the corresponding trolley walking beams 13.

The crane with the anti-derailment function for the pilot simulation also comprises a conductive slewing gear, the conductive slewing gear is used for conducting electricity and avoiding the problem that a conductive cable is wound, the conductive slewing gear comprises an upper fixing support 17 in a door shape, two ends of the upper fixing support 17 are fixed on a trolley walking beam 13, a slip ring 28 is installed in the middle of the upper fixing support 17, the slip ring 28 is an electrical component which is used for communicating a rotating body and transmitting energy and signals, the prior art is characterized in that a lower slewing support 21 is installed at the bottom of the slip ring 28, the lower slewing support 21 is in an L shape, the lower slewing support 21 is fixed on an upper support plate 16, the upper fixing support 17 and the lower slewing support 21 are both hollow pipelines and are both provided with wire inlets and wire outlets, cables are arranged in the upper fixing support 17 and the lower slewing support 21 and are respectively connected with the slip ring 28, the cables in the upper fixing support 17 and the lower slewing support 21 are respectively used for transmitting electricity through the slip ring 28, the cable in the upper fixing support 17 is communicated with an external power supply, the top of the support plate is provided with an electric device, and the cable in the lower rotary support 21 is electrically connected with the electric device to supply power to the electric device.

The two ends of the trolley walking beam 13 are provided with walking buffer derailing prevention devices 57.

Walking buffering anticreep rail device 57 includes equipment board 61, buffering subassembly and anticreep rail subassembly, and anticreep rail subassembly and buffering subassembly are installed in one side of equipment board 61, and the anticreep rail subassembly sets up in the below of buffering subassembly, and the anticreep rail device has the dolly effect of derailing of preventing walking down, and the buffering subassembly has the cushioning effect, reduces the striking damage.

The anti-derailing component comprises a horizontal first assembly plate 66, the first assembly plate 66 is fixed on the assembly plate 61, symmetrical anti-derailing wheel devices 67 are installed on the first assembly plate 66, the two anti-derailing wheel devices 67 are respectively arranged on two sides of the trolley track, each anti-derailing wheel device 67 comprises an installation shaft, each installation shaft comprises a vertical middle shaft body 73, a vertical lower shaft body 86 is arranged at the bottom of each middle shaft body 73, the middle shaft bodies 73 and the lower shaft bodies 86 are eccentrically arranged, namely the central line of each middle shaft body 73 and the central line of each lower shaft body 86 are not on the same straight line, the distance between the anti-derailing wheels 68 is convenient to adjust and adapt to different trolley tracks, the middle shaft bodies 73 penetrate through the first assembly plate 66, the anti-derailing wheels 68 matched with the side surfaces of the trolley track are rotatably installed on the lower shaft bodies 86 through bearings, the anti-derailing wheels 68 roll along the side surfaces of the trolley track to play an anti-derailing role, the middle shaft body 73 is provided with a locking device, and the locking device is used for locking the position of the middle shaft body 73 to prevent the middle shaft body 73 from rotating.

The locking device comprises a shaft sleeve 69, a locking ring 70 is fixed at the bottom of the shaft sleeve 69, a middle shaft body 73 sequentially penetrates through the locking ring 70 and the shaft sleeve 69, a first notch 79 is formed in the side surface of the shaft sleeve 69, a first locking bolt 72 is installed at the first notch 79, the first locking bolt 72 penetrates through the first notch 79 and is in threaded connection with the side surface of the middle shaft body 73, the outer end of the first locking bolt 72 is tightly propped against the outer wall of the shaft sleeve 69 to play a locking role, and the position of the middle shaft body 73 is locked; the locking ring 70 is circumferentially provided with a plurality of spaced second notches 81, second locking bolts 71 are mounted at the second notches 81, the second locking bolts 71 penetrate through the second notches 81 and are in threaded connection with the first assembling plate 66, the top ends of the second locking bolts 71 tightly prop against the top of the locking ring 70, when the spacing between the two derailing prevention wheels 68 needs to be adjusted to adapt to a trolley track, the second locking bolts 71 are loosened, the shaft sleeve 69 is rotated, and after the shaft sleeve 69 drives the mounting shaft to rotate to the proper position, the second locking bolts 71 are mounted at the corresponding second notches 81 to lock the locking ring 70, so that the positions of the mounting shaft and the derailing prevention wheels 68 are locked.

The top of first assembly plate 66 is equipped with horizontally second assembly plate 64, second assembly plate 64 is fixed on equipment board 61, first assembly plate 66 and the support of second assembly plate 64 cooperation reinforcing to the installation axle, the top of well axis body 73 is equipped with vertical upper shaft body 76, the central line of upper shaft body 76 and the central line of well axis body 73 are on same straight line, upper shaft body 76 runs through second assembly plate 64, the top threaded connection of upper shaft body 76 has fixation nut 74, fixation nut 74 plays locking fixed action, the top of upper shaft body 76 is equipped with spacing hole, be equipped with spacer pin 75 in the spacing hole, spacer pin 75 sets up the top at fixation nut 74, spacer pin 75 plays limiting displacement, avoid fixation nut 74 to deviate from.

The upper shaft body 76, the middle shaft body 73 and the lower shaft body 86 are preferably integrally formed.

Reinforcing plates 65 are fixed to the middle and the front side between the first fitting plate 66 and the second fitting plate 64, and the reinforcing plates 65 play a role in reinforcement.

The buffer assembly comprises a buffer 63 fixed on the assembly plate 61, the buffer 63 adopts a conventional buffer 63 for a crane trolley, one end of the buffer 63 close to the assembly plate 61 is fixed with a plurality of spaced reinforcing ribs 62, the reinforcing ribs 62 are uniformly arranged along the circumferential direction of the buffer 63 at intervals, the reinforcing ribs 62 are fixedly connected with the assembly plate 61, and the reinforcing ribs 62 play a role in reinforcement.

The middle part of the other side of the assembling plate 61 is provided with a vertical limiting strip 83, the end part of the trolley walking beam 13 is fixed with an inverted U-shaped plate 77, the U-shaped plate 77 is provided with a limiting groove 84 matched with the limiting strip 83, the assembling plate 61 can be detachably fixed on the U-shaped plate 77, the assembling plate is convenient to install and detach, and the limiting strip 83 is matched with the limiting groove 84 to play a limiting role.

Be equipped with the first screw thread punch combination of symmetry on equipment board 61, first screw thread punch combination includes the first screw hole 82 of interval about a plurality of, be equipped with the second screw thread punch combination that corresponds with first screw thread punch combination on the U template 77, second screw thread punch combination includes the second screw hole 85 with first screw hole 82 one-to-one, equipment board 61 passes through fixing bolt with U template 77 and can dismantle fixed connection, fixing bolt's quantity is the same with first screw hole 82's quantity, fixing bolt runs through corresponding first screw hole 82 and second screw hole 85 in proper order.

The rotary wheel set comprises a driving rotary wheel 22 and a plurality of driven rotary wheels 24, a rotary driving device 23 is in transmission connection with the driving rotary wheel 22, a wheel frame is fixed at the bottom of the upper rotary trolley frame, and the driving rotary wheel 22 and the driven rotary wheels 24 are respectively connected to the corresponding wheel frames in a rotating mode.

The driving rotating wheel 22 and the driven rotating wheel 24 both comprise wheel bodies 54 matched with the annular track 55, wheel limiting plates 56 are arranged at the inner ends of the wheel bodies 54, intervals are formed between the wheel limiting plates 56 and the inner side surface of the annular track 55, the wheel bodies 54 are in a circular truncated cone shape, the diameter of the inner ends of the wheel bodies 54 is smaller than that of the outer ends of the wheel bodies 54, if the top of the outer side surface of the annular track 55 is equal to the top of the inner side surface of the annular track 55 in height, namely the top of the annular track 55 is horizontal, during the operation process of the driving rotating wheel 22 and the driven rotating wheel 24 along the annular track 55, the difference between the linear speeds of the inner side and the outer side of the wheel bodies 54 is large, so that the internal and external wear is inconsistent, the friction force between the wheel bodies 54 and the track is increased, and the top of the annular track 55 is in an inclined shape with a high inside and a low outside, so that the wear condition can be reduced.

The front side and the rear side of the wheel frame are respectively provided with a rotary derailing prevention device, the rotary derailing prevention devices comprise horizontal wheels 53, the horizontal wheels 53 are matched with the inner side surface of the annular track 55, the corresponding horizontal wheels 53 roll along the inner side surface of the annular track 55 in the running process of the driving rotary wheel 22 and the driven rotary wheel 24 along the annular track 55, the rotary wheel group can conveniently and stably move along the annular track 55, and the anti-tipping effect is also achieved.

The wheel frame includes two spaced mounting panels 49, wheel body 54 rotates to be connected between two mounting panels 49, be fixed with roof 48 between two mounting panels 49, roof 48 can dismantle the bottom of fixing at last rotatory trolley frame, in this embodiment, roof 48 fixes the bottom at last support ring 15, the front and back side of wheel body 54 all is equipped with vertical curb plate 50, the bottom at roof 48 is fixed at the top of curb plate 50, the lower part of curb plate 50 is fixed with horizontal plate 51, rotatory derailment prevention device installs on horizontal plate 51's lateral surface, horizontal plate 51's lateral surface means the one side that horizontal plate 51 deviates from wheel body 54.

The middle part of horizontal wheel 53 rotates and is connected with vertical pivot 53c, is fixed with vertical sliding sleeve 52 on the horizontal plate 51, and sliding sleeve 52 runs through horizontal plate 51, and sliding sleeve 52 is run through to pivot 53c, and horizontal wheel 53 sets up the below at horizontal plate 51, and the top threaded connection of pivot 53c has lock nut 53b, and lock nut 53b top is tight at the top of sliding sleeve 52, is convenient for install horizontal wheel 53.

The angle between the top surface of the circular track 55 and the horizontal is denoted as a, which ranges from 3 to 6.

The invention is convenient to drive the hanger 33 and the simulated aircraft installed at the bottom of the hanger 33 to rotate, horizontally move or vertically lift, meets the training requirement, has the function of derailment prevention, and improves the stability and safety of operation, before the use, the simulated aircraft 1 and other equipment are installed on the hanger 33, when the device is used, the walking driving device 20 drives the walking wheel set 19 to rotate, the lower walking trolley frame is driven to move along the trolley track, the rotary driving device 23 is used for driving the rotary wheel set to rotate, the rotary wheel set moves along the annular track 55, the lifting devices on the upper rotary trolley frame and the upper rotary trolley frame are driven to rotate, the lifting devices comprise lifting driving devices fixed at the top of the upper rotary trolley frame, symmetrical winding drums 18 are installed at the output ends of the lifting driving devices, the hanger 33 is conveniently and stably driven to vertically lift, and the stability of installation and movement of the hanger 33 is improved, the lifting driving device is used for driving the winding drum 18 to rotate, the winding drum 18 drives the lifting appliance 33 to vertically lift through the steel wire rope set 3, and the two end beams 7 positioned on the same side are detachably and fixedly connected through the connecting plate 8, so that the end beams 7 can stably and synchronously move.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims (10)

1. The utility model provides a hoist machine is used in pilot simulation with anticreep rail function, includes the crane span structure, installs the monkey on the crane span structure, and the monkey includes the dolly frame of walking down, installs the walking drive device of the running wheelset of the symmetry and the running of drive running wheelset on the dolly frame of walking down, its characterized in that: an upper rotating trolley frame is arranged above the lower traveling trolley frame, a lifting device is arranged on the upper rotating trolley frame, a rotary wheel set and a rotary driving device for driving the rotary wheel set are arranged at the bottom of the upper rotating trolley frame, an annular rail matched with the rotary wheel set is arranged on the lower traveling trolley frame, and the top of the outer side surface of the annular rail is lower than the top of the inner side surface of the annular rail; the end part of the lower walking trolley frame is provided with a walking buffering derailing prevention device, and the bottom of the upper rotating trolley frame is provided with a rotating derailing prevention device.

2. The pilot-simulated crane with derailment prevention function according to claim 1, wherein: the bridge frame comprises two symmetrical main beams, wherein the top parts of the main beams are respectively provided with a trolley track, the two ends of each main beam are fixedly provided with an end beam, a cart running mechanism is arranged on each end beam, and the two end beams positioned on the same side are detachably and fixedly connected through a connecting plate;

the outside that the end beam is close to crane trolley center one end is fixed with the round pin axle, is equipped with the pinhole on the connecting plate, and the round pin axle runs through corresponding pinhole, and the upper portion and the lower part of round pin axle outer end all are equipped with round pin axle limiting plate, are equipped with the draw-in groove on the round pin axle limiting plate, and the draw-in groove joint is on the outer wall of round pin axle, and round pin axle limiting plate passes through bolt and end beam fixed connection, is equipped with on the end beam with bolt complex screw hole, and the tight outside at the connecting plate in round pin axle limiting plate top.

3. The pilot-simulated crane with derailment prevention function according to claim 1, wherein:

the lifting device comprises a lifting driving device fixed at the top of the upper rotating trolley frame, symmetrical winding drums are mounted at the output end of the lifting driving device, a plurality of spaced steel wire rope groups are arranged on the winding drums, a lifting appliance is arranged below the upper rotating trolley frame, and the lifting appliance is mounted below the winding drums through the steel wire rope groups;

the upper rotating trolley frame is provided with a mounting hole group corresponding to the steel wire rope group, the mounting hole group comprises a first mounting hole and a second mounting hole which are respectively arranged at two sides of the winding drum, the second mounting hole is far away from the winding drum compared with the first mounting hole, and the top of the second mounting hole is provided with a second fixed pulley;

the steel wire rope group comprises a first steel wire rope and a second steel wire rope which are wound along the winding drum at intervals, the top of the lifting appliance is respectively provided with a first movable pulley corresponding to the first steel wire rope and a second movable pulley corresponding to the second steel wire rope, the central lines of the first movable pulley and the second movable pulley corresponding to the same steel wire rope group are parallel, one ends of the first steel wire rope and the second steel wire rope are fixed on the winding drum, the other end of the first steel wire rope penetrates through the first mounting hole, bypasses the corresponding first movable pulley and is fixed at the bottom of the upper rotating trolley frame, and the other end of the second steel wire rope bypasses the second fixed pulley and penetrates through the second mounting hole, bypasses the corresponding second movable pulley and is fixed at the bottom of the upper rotating trolley frame;

the central lines of the first movable pulleys corresponding to the adjacent steel wire rope groups are vertical, and the central lines of the second movable pulleys corresponding to the adjacent steel wire rope groups are also vertical.

4. The pilot-simulated crane with derailment prevention function according to claim 3, wherein: the first movable pulley and the second movable pulley which correspond to the same steel wire rope group are symmetrical about the longitudinal center line of the lifting appliance, and the longitudinal center line of the lifting appliance is parallel to the axis of the winding drum; the winding drum is provided with two spaced steel wire rope groups, the central lines of the first movable pulley and the second movable pulley corresponding to one steel wire rope group are parallel to the longitudinal central line of the lifting appliance, and the central lines of the first movable pulley and the second movable pulley corresponding to the other steel wire rope group are parallel to the transverse central line of the lifting appliance.

5. The pilot-simulated crane with derailment prevention function according to claim 3, wherein: the lifting driving device comprises a lifting driving motor, a bidirectional output speed reducer is mounted on the lifting driving motor, symmetrical output shafts are arranged on the bidirectional output speed reducer, and the winding drums are mounted on the corresponding output shafts; promote driving motor setting in one side of last rotatory trolley frame, the reel setting is in the opposite side of last rotatory trolley frame, and wherein the second mounting hole sets up in same one side with promoting driving motor, and first mounting hole sets up the one side that deviates from promoting driving motor at the reel.

6. The pilot-simulated crane with derailment prevention function according to claim 3, wherein:

the crane with the derailment prevention function for pilot simulation further comprises a damping mounting device, and the first steel wire rope and the second steel wire rope are fixed at the bottom of the upper rotating trolley frame through the damping mounting device;

the damping mounting device comprises a bottom plate, two fixing plates are fixed at the top of the bottom plate at intervals, a pull rod is arranged between the two fixing plates, a through hole corresponding to the pull rod is formed in the bottom plate, the bottom of the pull rod extends out of the through hole and is provided with a wedge-shaped joint for a steel wire rope, a lower sleeve is fixed at the top of the bottom plate, the pull rod penetrates through the lower sleeve, a mounting sleeve is sleeved at the upper part of the pull rod, an adjusting nut is arranged at the top of the mounting sleeve and is in threaded connection with the pull rod, a compression spring is sleeved on the pull rod, the lower part of the compression spring is arranged in the lower sleeve, the bottom of the compression spring is tightly propped against the bottom plate, the upper part of the compression spring is arranged in the mounting sleeve, and the top of the compression spring is tightly propped against the top of the mounting sleeve;

the end parts of the first steel wire rope and the second steel wire rope are respectively arranged on corresponding wedge-shaped connectors for the steel wire ropes, a bearing beam is fixed at the bottom of the upper rotating trolley frame, and a fixing plate is fixed on the side surface of the bearing beam;

the pull rod is provided with a limiting pin, and the limiting pin is arranged above the adjusting nut; a gasket is arranged between the adjusting nut and the mounting sleeve, and the pull rod penetrates through the gasket; the steel wire rope is arranged at the bottom of the pull rod through a pin shaft by a wedge-shaped joint, and the pull rod is provided with a through hole matched with the pin shaft.

7. The pilot-simulated crane with derailment prevention function according to claim 1, wherein: the upper rotating trolley frame comprises an upper support ring, an upper support plate is fixed at the top of the upper support ring, the rotating trolley wheel set is installed at the bottom of the upper support ring, and the lifting device is installed at the top of the upper support plate;

the lower walking trolley frame comprises a lower support ring and symmetrical trolley walking beams, the lower support ring is arranged below the upper support ring, the trolley walking beams are arranged on two sides of the lower support ring, the trolley walking beams and the lower support ring are fixedly connected through an L-shaped connecting column, the annular rail is fixed at the top of the lower support ring, and the walking wheel sets are arranged on the corresponding trolley walking beams.

8. The pilot-simulated crane with derailment prevention function according to claim 7, wherein: the crane trolley further comprises a conductive slewing device, the conductive slewing device comprises an upper fixing support in a shape like a Chinese character 'men', two ends of the upper fixing support are fixed on the trolley walking beam, the middle of the upper fixing support is provided with a sliding ring, a lower slewing support is installed at the bottom of the sliding ring and is fixed on the upper supporting plate, the upper fixing support and the lower slewing support are both internally hollow pipelines and are provided with wire inlets and wire outlets, cables are arranged in the upper fixing support and the lower slewing support, and the cables are connected with the sliding ring respectively.

9. The pilot-simulated crane with derailment prevention function of claim 7, wherein:

two ends of the trolley walking beam are respectively provided with a walking buffering derailing prevention device;

the walking buffering derailment prevention device comprises an assembling plate, a buffering assembly and a derailment prevention assembly, wherein the derailment prevention assembly and the buffering assembly are arranged on one side of the assembling plate, and the derailment prevention assembly is arranged below the buffering assembly;

the anti-derailing assembly comprises a horizontal first assembling plate, the first assembling plate is fixed on the assembling plate, symmetrical anti-derailing wheel devices are mounted on the first assembling plate, the two anti-derailing wheel devices are respectively arranged on two sides of the trolley track, each anti-derailing wheel device comprises a mounting shaft, the mounting shaft comprises a vertical middle shaft body, a vertical lower shaft body is arranged at the bottom of the middle shaft body, the middle shaft body and the lower shaft body are eccentrically arranged, the middle shaft body penetrates through the first assembling plate, anti-derailing wheels matched with the side surfaces of the trolley track are rotatably mounted on the lower shaft body, and a locking device is mounted on the middle shaft body;

the locking device comprises a shaft sleeve, a locking ring is fixed at the bottom of the shaft sleeve, a middle shaft body sequentially penetrates through the locking ring and the shaft sleeve, a first opening is formed in the side surface of the shaft sleeve, a first locking bolt is installed at the first opening, the first locking bolt penetrates through the first opening and is in threaded connection with the side surface of the middle shaft body, and the outer end of the first locking bolt is tightly propped against the outer wall of the shaft sleeve; a plurality of second gaps are arranged at intervals in the circumferential direction of the locking ring, a second locking bolt is arranged at each second gap, the second locking bolt penetrates through each second gap and is in threaded connection with the first assembling plate, the top end of the second locking bolt is tightly propped against the top of the locking ring,

a horizontal second assembling plate is arranged above the first assembling plate, the second assembling plate is fixed on the assembling plate, a vertical upper shaft body is arranged at the top of the middle shaft body, the upper shaft body penetrates through the second assembling plate, a fixing nut is connected to the top of the upper shaft body in a threaded manner, a limiting hole is formed in the top of the upper shaft body, a limiting pin is arranged in the limiting hole, and the limiting pin is arranged above the fixing nut;

reinforcing plates are fixed at the middle part and the front side between the first assembling plate and the second assembling plate;

the buffer assembly comprises a buffer fixed on the assembling plate, a plurality of spaced reinforcing ribs are fixed at one end of the buffer close to the assembling plate, the reinforcing ribs are uniformly arranged at intervals along the circumferential direction of the buffer, and the reinforcing ribs are fixedly connected with the assembling plate;

the middle part of the other side of the assembling plate is provided with a vertical limiting strip, the end part of the trolley walking beam is fixed with an inverted U-shaped plate, the U-shaped plate is provided with a limiting groove matched with the limiting strip, and the assembling plate can be detachably fixed on the U-shaped plate.

10. The pilot-simulated crane with derailment prevention function according to claim 1, wherein:

the rotary wheel set comprises a driving rotary wheel and a plurality of driven rotary wheels, the rotary driving device is in transmission connection with the driving rotary wheel, a wheel frame is fixed at the bottom of the upper rotary trolley frame, and the driving rotary wheel and the driven rotary wheels are respectively in rotary connection with the corresponding wheel frames;

the driving rotary wheel and the driven rotary wheel respectively comprise wheel bodies matched with the annular track, wheel limiting plates are arranged at the inner ends of the wheel bodies, intervals are formed between the wheel limiting plates and the inner side surface of the annular track, the wheel bodies are in a round table shape, and the diameter of the inner ends of the wheel bodies is smaller than that of the outer ends of the wheel bodies;

the front side and the rear side of the wheel frame are both provided with a rotary derailing prevention device, the rotary derailing prevention device comprises a horizontal wheel, and the horizontal wheel is matched with the inner side surface of the annular track;

the wheel frame comprises two spaced mounting plates, the wheel body is rotationally connected between the two mounting plates, a top plate is fixed between the two mounting plates, the top plate can be detachably fixed at the bottom of the upper rotating trolley frame, vertical side plates are arranged on the front side and the rear side of the wheel body, the top of each side plate is fixed at the bottom of the top plate, a horizontal plate is fixed at the lower part of each side plate, and the rotating derailing prevention device is arranged on the outer side surface of the horizontal plate;

the middle part of the horizontal wheel is rotatably connected with a vertical rotating shaft, a vertical sliding sleeve is fixed on the horizontal plate, the sliding sleeve penetrates through the horizontal plate, the rotating shaft penetrates through the sliding sleeve, the top of the rotating shaft is in threaded connection with a locking nut, and the locking nut is tightly propped against the top of the sliding sleeve;

the included angle between the top surface of the annular track and the horizontal plane is marked as a, and the range of a is 3-6 degrees.

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