CN116177384B

CN116177384B - Lifting machine based on balanced function of hanging

Info

Publication number: CN116177384B
Application number: CN202310464305.7A
Authority: CN
Inventors: 田树振; 张祥云; 姜开典
Original assignee: JINING SITONG ENGINEERING MACHINERY CO LTD
Current assignee: JINING SITONG ENGINEERING MACHINERY CO LTD
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-07-07
Anticipated expiration: 2043-04-27
Also published as: CN116177384A

Abstract

The invention belongs to the field of hoisting equipment, and particularly relates to a crane based on a balanced suspension function. The invention aims to provide a crane based on a balanced suspension function, which can adjust the gravity center while adjusting the lifting position so as to avoid equipment dumping. The invention provides a crane based on a balanced suspension function, which comprises a bottom frame, stand columns, support arms and wheels, wherein the stand columns are connected in the middle of the top of the bottom frame, the support arms are connected to the upper parts of the stand columns, an operation frame, a suspension system, a counterweight mechanism and a counterweight balance mechanism are also included, four wheels are arranged at the bottom of the bottom frame through the suspension system, the counterweight mechanism is arranged in the bottom frame, and the counterweight balance mechanism for balancing weight is arranged between the support arms and the counterweight mechanism. The wheel is installed through the suspension system, and when the whole equipment moves to some bumpy road sections, the suspension system can play a role in damping, so that the crane can conveniently run on some bumpy road sections.

Description

Lifting machine based on balanced function of hanging

Technical Field

The invention belongs to the field of hoisting equipment, and particularly relates to a crane based on a balanced suspension function.

Background

The crane is used as mechanical equipment with excellent performance and wide application, is suitable for lifting various mechanical parts, can be used for production assembly lines of machine tools, home power plants, food factories, warehouses, household lifting articles and the like on large workpieces in a machining workshop, and can effectively reduce the labor intensity of operators.

The existing lifting equipment is required to be moved to the corresponding position when being lifted, then the lifting equipment is used for lifting, most of the existing movable lifting machines are used for moving by using the crawler, the whole equipment of the equipment moving by the crawler is huge, the equipment is inconvenient for carrying small materials, the small lifting equipment is used for carrying small materials, the small lifting equipment is usually directly connected with wheels and transmission shafts to move, the equipment is more convenient when being moved on flat roads such as cement and asphalt, jolting sections are encountered, the whole equipment is only directly connected with the transmission shafts to move, the whole equipment is easy to jolt, the operation is inconvenient, the lifting position is sometimes required to be adjusted during lifting, and the gravity center of the whole equipment is easy to deviate from the center of the whole crane once the lifting position deviates from the cantilever during adjusting the lifting position, so that the whole equipment is easy to topple over.

Disclosure of Invention

In view of the above, the present invention provides a crane based on a balanced suspension function, which can adjust the center of gravity while adjusting the lifting position so as to avoid equipment dumping.

The technical implementation scheme of the invention is as follows: the utility model provides a lifting machine based on balanced function of hanging, including the chassis, the stand, support arm and wheel, be connected with the stand in the middle of the chassis top, stand upper portion is connected with the support arm, still including the handling frame, a suspension system, the track driving, counter weight mechanism, hoist mechanism and counter weight balance mechanism, four wheels are installed through suspension system to the chassis bottom, chassis top one side is connected with the handling frame, be provided with the track driving on the support arm, the track driving can follow the support arm and remove, be equipped with counter weight mechanism in the chassis, be equipped with the hoist mechanism that is used for lifting by crane the article on the track driving, be equipped with the counter weight balance mechanism that is used for balancing weight between support arm and the counter weight mechanism.

As a further preferred scheme, the counter weight mechanism is including bottom plate, guide rail, put thing board, balancing weight and first adjusting screw, is connected with the bottom plate in the chassis, and bottom plate top both sides all are connected with the guide rail, and sliding connection has between the guide rail of both sides to put the thing board, and it stacks the card and put a plurality of balancing weights to put thing board top, and the rotation is connected with first adjusting screw in the middle of the bottom plate top, and first adjusting screw passes through threaded connection with putting the thing board, and open is seted up to chassis one side.

As a further preferable scheme, the lifting mechanism comprises a lifting motor, a reduction gearbox, a wire spool, a connecting rope and a hanging block, wherein the lifting motor and the reduction gearbox are arranged at the bottom of the rail vehicle, an output shaft of the lifting motor is connected with an input end of the reduction gearbox, the wire spool is connected with an output end of the reduction gearbox, the connecting rope is wound on the wire spool, and the hanging block is connected with an end portion of the connecting rope.

As a further preferred scheme, counter weight balance mechanism is including guide bar, the deflector, the ring gear, the sliding column, two-way rack, hob and bevel gear, the support arm both sides all rotate and are connected with the guide bar, be provided with the guide slot on the guide bar, rail car top both sides all are connected with the deflector, be provided with the protruding axle on the deflector, protruding axle and guide slot slidingtype are connected, protruding axle removal can be rotatory through the extrusion guide bar of guide slot, be connected with the ring gear on the guide bar, be connected with the sliding column along its axial slidingtype on the stand, one side upper portion that the sliding column is close to the ring gear is connected with two-way rack, two-way rack both sides mesh with two ring gears respectively, stand one side lower part rotation type is connected with the hob, be provided with the extrusion axle on the sliding column, the extrusion axle stretches into the screw thread position of hob, all be connected with bevel gear on hob and the first adjusting screw, two bevel gear intermeshing.

As a further preferable scheme, the rail vehicle further comprises a limit sensor, wherein the limit sensor is arranged on two sides of the support arm, and the limit sensor is electrically connected with the rail vehicle.

As a further preferred scheme, the novel lifting device comprises a fixing mechanism, wherein the fixing mechanism comprises a first support, a second support, a connecting frame, lifting screws, servo motors, worm wheels and worms, the rear parts of two sides of the bottom of a chassis are all hinged to the first support, the front parts of two sides of the bottom of the chassis are all hinged to the second support, the second support can slide in the first support, the connecting frames are connected between the two first supports, guide grooves are formed in the middle parts of the two second supports, connecting shafts are connected to the two sides of the connecting frames, the connecting shafts on the two sides of the connecting frames penetrate through the first support, the tail ends of the connecting shafts are located in the guide grooves and are connected with the guide grooves in a sliding mode, the lifting screws are connected with the middle of the bottom of the chassis in a rotating mode, the lifting screws are connected with the screw wheels in a threaded mode, the servo motors are arranged on one side of the bottom of the chassis, the output shafts of the servo motors are connected with the worm wheels, and the worm wheels are meshed with the worm wheels.

As a further preferable scheme, the novel lifting device further comprises a plug rod, and the plug rod is connected to the positions, away from each other, of the first support and the second support through threads.

As a further preferred scheme, the hanger comprises a hanging mechanism, the hanging mechanism comprises a sliding block, a second adjusting screw, a hook, a clamping ring and an elastic piece, wherein the sliding block is connected to the four sides of the bottom of the hanging block in a sliding mode, the second adjusting screw is connected to the four sides of the bottom of the hanging block in a rotating mode, the second adjusting screw is in threaded connection with the sliding block, the sliding block is connected to the hook in a sliding mode, the clamping ring is arranged on the upper portion of the hook, a clamping groove is formed in the sliding block, the clamping ring can be clamped on the clamping groove and used for fixing the hook, and the elastic piece is connected between the sliding block and the hook.

The invention has the following advantages: 1. the wheel is installed through the suspension system, and when the whole equipment moves to some bumpy road sections, the suspension system can play a role in damping, so that the crane can conveniently run on some bumpy road sections.

2. When the rail crane is controlled to lift objects at different positions by moving the supporting arm, the counterweight block can be controlled to move by the counterweight balancing mechanism, so that the counterweight block moves in the direction opposite to the rail crane, the whole counterweight block is balanced, and the whole crane is prevented from toppling over.

3. After the crane is moved to a proper position, the first bracket and the second bracket can be propped against the ground, so that the crane is supported, and the crane is more stable in operation.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a schematic structural view of the hoisting mechanism of the present invention.

Fig. 4 is a schematic structural view of the counterweight mechanism of the invention.

Fig. 5 is a schematic view of a first construction of the counterweight balance mechanism of the invention.

FIG. 6 is a schematic diagram of the connection between the counterweight balancing mechanism and the rail vehicle of the present invention.

Fig. 7 is a schematic view of a second construction of the balance weight mechanism of the present invention.

Fig. 8 is a schematic view of a first structure of the fixing mechanism of the present invention.

Fig. 9 is a schematic view of a second structure of the fixing mechanism of the present invention.

Fig. 10 is a schematic view of a third structure of the fixing mechanism of the present invention.

Fig. 11 is a schematic view of the structure of the suspension mechanism of the present invention.

Fig. 12 is a cross-sectional view of a hanger of the present invention.

Fig. 13 is a cross-sectional view of the suspension mechanism of the present invention.

In the reference numerals: the device comprises a 1-underframe, a 2-operation frame, a 3-suspension system, 4-wheels, a 5-upright post, a 6-support arm, a 7-track vehicle, a 81-bottom plate, a 82-guide rail, a 83-object placing plate, a 84-balancing weight, a 85-first adjusting screw, a 91-lifting motor, a 92-reduction gearbox, a 93-wire reel, a 94-connecting rope, a 95-suspension block, a 111-guide rod, a 112-guide plate, a 113-toothed ring, a 114-sliding column, a 115-bidirectional rack, a 116-spiral rod, a 117-bevel gear, a 10-limit sensor, a 121-first support, a 122-second support, a 123-connecting frame, a 124-lifting screw, a 125-servo motor, a 126-worm gear, a 127-worm, a 14-inserting rod, a 131-sliding block, a 132-second adjusting screw, a 133-hook, a 134-clamping ring and a 135-elastic piece.

Detailed Description

The invention is further described below with reference to the drawings and examples.

Example 1: a lifting machine based on balanced hanging function is disclosed as shown in fig. 1-7, and comprises a bottom frame 1, an operation frame 2, a hanging system 3, wheels 4, an upright post 5, a supporting arm 6, a track crane 7, a weight balancing mechanism, a lifting mechanism and a weight balancing mechanism, wherein four wheels 4 are arranged at the bottom of the bottom frame 1 through the hanging system 3 so that the bottom frame 1 can move, the hanging system 3 can play a damping role, the operation frame 2 is connected to the right side of the top of the bottom frame 1, the upright post 5 is connected to the middle of the top of the bottom frame 1, the supporting arm 6 is connected to the upper portion of the upright post 5, the track crane 7 is arranged on the supporting arm 6, the track crane 7 can move along the supporting arm 6, the weight balancing mechanism is arranged in the bottom frame 1, the lifting mechanism for lifting articles is arranged on the track crane 7, and the weight balancing mechanism for balancing weight is arranged between the supporting arm 6 and the weight balancing mechanism.

As shown in fig. 2 and 4, the counterweight mechanism comprises a bottom plate 81, guide rails 82, a placement plate 83, counterweights 84 and a first adjusting screw 85, the bottom plate 81 is connected to the bottom in the chassis 1, the guide rails 82 are connected to the front side and the rear side of the top of the bottom plate 81, the placement plate 83 is connected between the guide rails 82 on two sides in a sliding manner, a plurality of counterweights 84 are stacked and clamped on the top of the placement plate 83, the first adjusting screw 85 is connected to the middle of the top of the bottom plate 81 in a rotating manner, the first adjusting screw 85 is connected with the placement plate 83 through threads, so that the first adjusting screw 85 can rotate to drive the placement plate 83 to move left and right through threads, an opening is formed in the right side of the chassis 1, a door plate is rotationally connected to the opening, and the counterweights 84 can swing by extruding the door plate to swing to adjust the counterweight position.

As shown in fig. 3, the hoisting mechanism comprises a hoisting motor 91, a reduction gearbox 92, a wire spool 93, a connecting rope 94 and a hanging block 95, wherein the hoisting motor 91 and the reduction gearbox 92 are installed at the bottom of the rail car 7, an output shaft of the hoisting motor 91 is connected with an input end of the reduction gearbox 92, an output end of the reduction gearbox 92 is connected with the wire spool 93, the wire spool 93 is wound with the connecting rope 94, the end part of the connecting rope 94 is connected with the hanging block 95, and the hanging block 95 is used for hanging articles to be hoisted.

As shown in fig. 5-7, the counterweight balancing mechanism comprises a guide rod 111, a guide plate 112, toothed rings 113, a sliding column 114, a bidirectional rack 115, a spiral rod 116 and a bevel gear 117, wherein the front side and the rear side of a supporting arm 6 are respectively and rotatably connected with the guide rod 111, a guide groove is formed in the guide rod 111, the right side of the guide groove is transversely provided with a left side which is in spiral arrangement, the front side and the rear side of the top of a rail car 7 are respectively and rotatably connected with the guide plate 112, a protruding shaft is arranged on the guide plate 112 and slidably connected with the guide groove, the protruding shaft can move to press the guide rod 111 to rotate through the spiral position of the guide groove, the right side of the guide rod 111 is connected with the toothed rings 113, the upper part of the left side of the sliding column 114 is connected with the bidirectional rack 115, the two sides of the bidirectional rack 115 are respectively meshed with the two toothed rings 113, the lower part of the left side of the upright column 5 is rotatably connected with the spiral rod 116, the left side of the sliding column 114 is provided with a pressing shaft, the pressing shaft extends into the threaded position of the spiral rod 116, the pressing shaft moves to be capable of rotating through the threaded pressing rod 116 on the spiral rod 116, the bottom of the spiral rod 116 and the first bevel gear 85 and the left end of the bevel gear are mutually meshed with each other.

When a small article needs to be lifted, the lifting machine can be used, during lifting, the operation frame 2 can be pushed to drive the lifting machine to move through the wheels 4, the suspension system 3 can play a damping role when the wheels 4 move, after moving to a position close to the article, the rail crane 7 can be controlled to move leftwards along the supporting arm 6 through the position of the article, the rail crane 7 can drive the guide plate 112 to move when moving, when the guide plate 112 moves to the spiral position that the upper protruding shaft contacts with the guide rod 111, the guide plate 112 can continue to move to press the spiral position of the guide rod 111 through the upper protruding shaft, so that the guide rod 111 is pressed to rotate, the guide rod 111 rotates to drive the bidirectional rack 115 to move downwards through the toothed ring 113, the bidirectional rack 115 can rotate through the upper pressing shaft to press the spiral rod 116, the spiral rod 116 rotates to drive the first adjusting screw 85 to rotate through the bevel gear 117, the first adjusting screw 85 rotates to drive the object placing plate 83 to slide rightwards, so that the balancing weight 84 is driven to slide rightwards, namely, after the rail travelling crane 7 slides leftwards to a certain position, the balancing weight 84 can be controlled to slide rightwards, and the balancing weight is assisted to balance, so that the whole balancing weight is balanced, the phenomenon that the left side of the supporting arm 6 is stressed excessively to cause toppling is avoided, after the rail travelling crane 7 moves to a proper position, the rail travelling crane 7 is controlled to be closed, then the lifting motor 91 can be started to drive the wire reel 93 to rotate through the reduction gearbox 92 to put down the connecting rope 94, so that the hanging block 95 moves downwards, the lifted object is bound and fixed at the hanging block 95, then the lifting motor 91 is controlled to drive the wire reel 93 to reversely rotate through the reduction gearbox 92 to retract the connecting rope 94, so that the lifting equipment can be used for lifting, when the lifting equipment is used, the lifting system 3 can be used for damping, the whole operation of the lifting equipment is more stable, and meanwhile, the balancing weights 84 can be driven to move in opposite directions when the rail car 7 moves, so that the whole balancing weights are more balanced, and the whole lifting machine is prevented from toppling over.

Example 2: on the basis of embodiment 1, as shown in fig. 1 and 2, the device further comprises a limit sensor 10, wherein the limit sensor 10 is installed on two sides of the supporting arm 6, the limit sensor 10 is electrically connected with the rail car 7, and the limit sensor 10 is located at the moving track of the front guide plate 112.

The rail car 7 can contact with the guide plate 112 driving the front side and the limit sensor 10 when moving, and when the guide plate 112 contacts with the limit sensor 10, the rail car 7 can be controlled to be closed, so that the rail car 7 is prevented from moving too long and colliding with the end part of the support arm 6.

As shown in fig. 8-10, the fixing mechanism further comprises a first support 121, a second support 122, a connecting frame 123, lifting screws 124, a servo motor 125, worm gears 126 and worms 127, wherein the rear parts of the left side and the right side of the bottom of the chassis 1 are all hinged with the first support 121, the front parts of the left side and the right side of the bottom of the chassis 1 are all hinged with the second support 122, through grooves are formed in the first support 121, the second support 122 penetrates through the through grooves and can slide in the through grooves, connecting frames 123 are connected between the two first supports 121, guide grooves are formed in the middle of the two second supports 122, connecting shafts are connected to the two sides of the connecting frames 123, the connecting shafts on the two sides penetrate through the first supports 121, the tail ends of the connecting shafts are positioned in the guide grooves and are connected with the guide grooves in a sliding mode, the middle of the bottom of the chassis 1 is rotatably connected with the lifting screws 124, the lifting screws 124 are in threaded connection with the connecting frames 123, one side of the bottom of the chassis 1 is provided with the servo motor 125, the output shafts of the servo motor 125 are connected with the worms 127, the upper parts of the lifting screws 124 are connected with the worms 126, and the worm gears 127 are meshed with the worm gears 126.

When this lifting machine moves to suitable position after, need fix, can start servo motor 125 and drive lifting screw 124 through worm 127 and worm wheel 126 and rotate, lifting screw 124 rotates and drives connecting frame 123 downwardly moving through the screw thread, can drive the first support 121 of both sides and swing down when connecting frame 123 downwardly moving, can extrude the second support 122 through the connecting axle simultaneously and swing down to make first support 121 and second support 122 support with ground contact, after the operation, thereby carry out fixed operation to this lifting machine.

As shown in fig. 9, the lifting machine further comprises a plug rod 14, the plug rod 14 is connected to the positions, away from each other, of the first support 121 and the second support 122 through threads, and when the first support 121 and the second support 122 are in contact with the ground, the plug rod 14 can be rotated to be inserted into the ground, so that the lifting machine is assisted to be fixed.

As shown in fig. 11-13, the suspension mechanism further comprises a sliding block 131, a second adjusting screw 132, a hook 133, a clamping ring 134 and an elastic piece 135, wherein the sliding block 131 is connected to the four sides of the bottom of the suspension block 95 in a sliding manner, the second adjusting screw 132 is connected to the four sides of the bottom of the suspension block 95 in a rotating manner, one end of the second adjusting screw 132, which is far away from the suspension block 95, is connected with a knob so as to operate the second adjusting screw 132 to rotate, the second adjusting screw 132 is in threaded connection with the sliding block 131, so that the second adjusting screw 132 can rotate to drive the sliding block 131 to move, the bottom of the sliding block 131 is connected with the hook 133 in a sliding manner, the clamping ring 134 is arranged on the upper portion of the hook 133, a clamping groove is formed in the sliding block 131, the clamping ring 134 can be clamped on the clamping groove and the elastic piece 135 is connected between the sliding block 131 and the hook 133.

When the article needs to be hung, can hang through couple 133, it is more convenient to hang the operation, simultaneously can drive slider 131 through the screw thread through rotating second adjusting screw 132 and remove, thereby drive couple 133 and remove, adjust and hang the position, and when needing to adjust couple 133 angle, also can promote couple 133 and upwards remove and drive snap ring 134 and upwards remove, make snap ring 134 break away from with the draw-in groove, elastic component 135 is compressed, rotate couple 133 again, rotate to suitable angle after loosening couple 133, couple 133 moves down under the effect of elastic component 135, snap ring 134 card is gone into in the draw-in groove simultaneously, fix couple 133, so, just can hang the article through couple 133, more convenient when hanging, and can adjust the position and the orientation angle of couple 133, be convenient for hang the operation.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides a lifting machine based on balanced function of hanging, including chassis (1), stand (5), support arm (6) and wheel (4), chassis (1) top intermediate junction has stand (5), stand (5) upper portion is connected with support arm (6), characterized by: the device comprises an underframe (1), and is characterized by further comprising an operation frame (2), a suspension system (3), a track crane (7), a counterweight mechanism, a lifting mechanism and a counterweight balance mechanism, wherein the bottom of the underframe (1) is provided with four wheels (4) through the suspension system (3), one side of the top of the underframe (1) is connected with the operation frame (2), the track crane (7) is arranged on a support arm (6), the track crane (7) can move along the support arm (6), the counterweight mechanism is arranged in the underframe (1), the track crane (7) is provided with the lifting mechanism for lifting articles, and the counterweight balance mechanism for balancing weight is arranged between the support arm (6) and the counterweight mechanism; the counterweight mechanism comprises a bottom plate (81), guide rails (82), a storage plate (83), balancing weights (84) and a first adjusting screw (85), wherein the bottom plate (81) is connected to the bottom in the underframe (1), the guide rails (82) are connected to the two sides of the top of the bottom plate (81), the storage plate (83) is connected between the guide rails (82) on the two sides in a sliding mode, the plurality of balancing weights (84) are stacked and clamped on the top of the storage plate (83), the first adjusting screw (85) is connected to the middle of the top of the bottom plate (81) in a rotating mode, the first adjusting screw (85) is connected with the storage plate (83) through threads, and one side of the underframe (1) is opened; the lifting mechanism comprises a lifting motor (91), a reduction gearbox (92), a wire reel (93), a connecting rope (94) and a hanging block (95), wherein the lifting motor (91) and the reduction gearbox (92) are arranged at the bottom of the rail vehicle (7), an output shaft of the lifting motor (91) is connected with the input end of the reduction gearbox (92), the output end of the reduction gearbox (92) is connected with the wire reel (93), the connecting rope (94) is wound on the wire reel (93), and the hanging block (95) is connected with the end part of the connecting rope (94); the balance weight mechanism comprises a guide rod (111), a guide plate (112), a toothed ring (113), a sliding column (114), a bidirectional rack (115), a screw rod (116) and a bevel gear (117), wherein the two sides of a supporting arm (6) are respectively connected with the guide rod (111) in a rotating mode, guide grooves are formed in the guide rod (111), the two sides of the top of a rail traveling vehicle (7) are respectively connected with the guide plate (112), a protruding shaft is arranged on the guide plate (112), the protruding shaft is connected with the guide grooves in a sliding mode, the protruding shaft can extrude the guide rod (111) to rotate through the guide grooves, the toothed ring (113) is connected to the guide rod (111), the sliding column (114) is connected with the sliding column (114) along the axial sliding mode, one side upper portion of the sliding column (114) close to the toothed ring is connected with the bidirectional rack (115), the two sides of the bidirectional rack (115) are respectively meshed with the two toothed rings (113), the lower portion of one side of the upright column (5) is rotatably connected with the screw rod (116), the extrusion shaft is arranged on the sliding column (114), the extrusion shaft stretches into the threaded position of the screw rod (116), and the screw rod (116) is connected with the bevel gear (85) in a sliding mode.

2. The crane based on the balanced suspension function according to claim 1, characterized in that: the rail vehicle is characterized by further comprising limit sensors (10), wherein the limit sensors (10) are arranged on two sides of the supporting arm (6), and the limit sensors (10) are electrically connected with the rail vehicle (7).

3. The crane based on the balanced suspension function according to claim 1, characterized in that: still including fixed establishment, fixed establishment is including first support (121), second support (122), connecting frame (123), lifting screw (124), servo motor (125), worm wheel (126) and worm (127), chassis (1) bottom both sides rear portion all articulates and is connected with first support (121), chassis (1) bottom both sides front portion all articulates and is connected with second support (122), second support (122) can be in first support (121) internal sliding, be connected with connecting frame (123) between two first supports (121), the guide slot has all been seted up at two second support (122) middle parts, connecting frame (123) both sides all are connected with the connecting axle, both sides connecting axle all pass first support (121), the connecting axle end is located the guide slot and is connected with the guide slot slidingtype, rotation is connected with lifting screw (124) in the middle of chassis (1) bottom, lifting screw (124) and connecting frame (123) threaded connection, servo motor (125) are installed to chassis (1) bottom one side, be connected with worm (127) on the output shaft of servo motor (125), lifting screw (124) upper portion is connected with worm wheel (126), worm wheel (126) and worm wheel (126) meshing.

4. A crane according to claim 3, based on balanced suspension function, characterized in that: the novel electric power tool further comprises an inserting rod (14), and the inserting rod (14) is connected to positions, away from each other, of the first support (121) and the second support (122) through threads.

5. The crane based on the balanced suspension function according to claim 1, characterized in that: the novel hanger is characterized by further comprising a hanging mechanism, the hanging mechanism comprises a sliding block (131), a second adjusting screw (132), a hook (133), a clamping ring (134) and an elastic piece (135), the sliding block (131) is connected to the four sides of the bottom of the hanging block (95) in a sliding mode, the second adjusting screw (132) is connected to the four sides of the bottom of the hanging block (95) in a rotating mode, the second adjusting screw (132) is in threaded connection with the sliding block (131), the bottom of the sliding block (131) is connected with the hook (133) in a sliding mode, the clamping ring (134) is arranged on the upper portion of the hook (133), a clamping groove is formed in the sliding block (131), the clamping ring (134) can be clamped on the clamping groove and used for fixing the hook (133), and the elastic piece (135) is connected between the sliding block (131) and the hook (133).