CN218434649U - Steel construction hoist device in hoist and mount mechanical confined space - Google Patents

Abstract

The utility model relates to a hoist and mount technical field discloses a steel construction hoist device in hoist and mount machinery confined space, the loach carrying platform comprises a supporting fram, the top and the bottom of support frame all begin to have the mouth of dodging, one side of support frame is provided with supporting mechanism and adjustment mechanism, supporting mechanism is used for supporting and stabilizing the support frame, just adjustment mechanism sets up supporting mechanism's below, adjustment mechanism is used for adjusting device's gradient, be provided with drive mechanism on the support frame, drive mechanism includes the davit, one side of davit is provided with the driving gear, one side of driving gear is provided with the diversion gear, one side of diversion gear is provided with the pinion rack, the top of davit is provided with hoist and mount mechanism, can make the davit through pressing the davit, supports the diaphragm and supports the riser and accomplish simultaneously and accomodate near the support frame, accomodates effectually for the contrast file, and further dwindled occupation space, more be convenient for depositing and carrying.

Description

Steel construction hoist device in hoist and mount mechanical confined space

Technical Field

The utility model relates to a hoist and mount technical field specifically is a steel construction hoist device in hoist and mount machinery confined space.

Background

Hoisting refers to the general term of installation and positioning of equipment by a crane or a hoisting mechanism, and is a special word for positioning of equipment, generally, hoisting is carried out by matching a hoisting tool (or called a hoisting rigging tool), and the hoisting tool is manufactured by a professional manufacturer. The hoisting technology is introduced, and particularly, a professional website using the crane hoisting technology, such as a crane hoisting technology house, is introduced, so that a hoisting device is used when equipment is installed.

Chinese patent CN202122376825.1 discloses a hoisting device for limited space, including base and the protective housing of setting on its upper end, the vertical stand that is equipped with in protective housing upper end, stand upper end one side is rotated and is equipped with a xarm, the xarm lower extreme rotates and is equipped with a vaulting pole, and the stand surface that is close to the xarm sets up the location breach that a plurality of vaulting pole lower extreme of being convenient for blocked, just so can fold the xarm when not using, has reduced occupation space, the stand is inside to be equipped with and to pull the passageway, be equipped with the haulage rope in pulling the passageway, the haulage rope walks around the first fixed pulley that sets up at stand top and the second fixed pulley of xarm tip and sets up the perforation on the xarm, the utility model discloses to current needs design, made things convenient for hoisting structure's folding and accomodate for it can use under narrow and small space, can also switch great holding surface, the effectual stationarity of guaranteeing work, the device is accomodating when accomodating, can fold the diaphragm, and the effect is general, and the device is difficult to carry out work on domatic, and still need adjust for the stability that improves the device, the troublesome operation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a steel construction hoist device in hoist and mount machinery confined space possesses and accomodates advantages such as effectual, applicable domatic, easy operation, has solved and has accomodate the effect generally, is difficult to carry out work on domatic, and still need adjust the contact surface, troublesome poeration's problem for improving device's stability.

(II) technical scheme

For solving above-mentioned effect of accomodating generally, be difficult to carry out work on domatic, and still need adjust the contact surface for the stability that improves the device, troublesome poeration's technical problem, the utility model provides a following technical scheme: a steel structure hoisting device for hoisting machinery in a limited space comprises a support frame, wherein avoidance openings are formed in the top and the bottom of the support frame, a supporting mechanism and an adjusting mechanism are arranged on one side of the support frame, the supporting mechanism is used for supporting and stabilizing the support frame, the adjusting mechanism is arranged below the supporting mechanism, the adjusting mechanism is used for adjusting the inclination of the device, a transmission mechanism is arranged on the support frame and comprises a suspension arm, a driving gear is arranged on one side of the suspension arm, a turning gear is arranged on one side of the driving gear, and a toothed plate is arranged on one side of the turning gear; press the davit downwards when accomodating, the davit drives the driving gear rotation when downstream, and then drives the diversion gear and rotate, and the diversion gear passes through the pinion rack and drives supporting mechanism and adjustment mechanism and be close to the support frame direction simultaneously, the top of davit is provided with hoisting machine and constructs, hoisting machine constructs and is used for hanging and gets the object.

Preferably, the supporting mechanism comprises a fixed shaft and a stabilizing mechanism, the fixed shaft is fixedly installed on one side of the supporting frame, a driven gear is rotationally matched on the fixed shaft, a supporting transverse plate is fixedly installed on the driven gear, the driven gear is meshed with the toothed plate, and a first conical gear is fixedly sleeved on the fixed shaft; when the suspension arm is pressed to drive the toothed plate to move, the toothed plate drives the transverse supporting plate 24 to approach the supporting frame through the driven gear.

Preferably, the stabilizing mechanism comprises a first port, a rotating shaft is rotatably matched with the inner wall of the top of the first port, the bottom end of the rotating shaft extends to the position below the supporting transverse plate, a supporting vertical plate is fixedly installed at the bottom end of the rotating shaft, a turbine is fixedly sleeved on the rotating shaft and arranged in the first port, a worm is rotatably matched with one side of the supporting transverse plate and meshed with the turbine, a second bevel gear is fixedly sleeved at one end of the worm, and the second bevel gear is meshed with the first bevel gear; in the process of moving the supporting transverse plate 24, the worm wheel, the second bevel gear and the supporting vertical plate are driven to move simultaneously, the first bevel gear rolls when the second bevel gear moves, the worm wheel is driven to rotate by the first bevel gear, and the vertical plate is driven to move by the worm wheel.

Preferably, the adjusting mechanism comprises a second port, a threaded rod is rotatably matched on the inner wall of one side of the second port, one end of the threaded rod extends to the outer side of the supporting vertical plate and is provided with a hexagonal groove, a sliding block is matched on the threaded rod in a threaded manner and is in sliding fit with the inner walls of the two sides of the second port, a hinged rod is hinged to the bottom of the sliding block, an adjusting plate is hinged to the bottom of the supporting vertical plate, and the adjusting plate is hinged to the hinged rod; through rotatable threaded rod, the threaded rod props up the regulating plate through slider drive hinge bar.

Preferably, a third opening has been seted up to one side outer wall of support frame, change gear sets up in the third opening, change gear with the driving gear meshes mutually, just the driving gear sets up one side of support frame, change gear with the pinion rack meshes mutually, just the pinion rack sets up in the support frame, the top of pinion rack runs through correspondingly it extends to dodge the mouth the top of support frame, the pinion rack with one side inner wall sliding fit of support frame.

Preferably, the support frame is provided with a first limiting hole, the toothed plate is provided with a second limiting hole, and the first limiting hole and the second limiting hole are internally provided with bolts.

Preferably, hoisting machine constructs including the U-shaped frame, the running roller has been rotated to the cooperation on the both sides inner wall of U-shaped frame, one side of U-shaped frame is provided with driving motor, just driving motor's output shaft with running roller fixed connection.

Preferably, a steel cable is arranged on the rotating roller, a fixed pulley is arranged at one end of the suspension arm, the steel cable passes through the fixed pulley, and a hook is arranged at one end of the steel cable.

(III) advantageous effects

Compared with the prior art, the utility model provides a steel construction hoist device in hoist and mount machinery confined space possesses following beneficial effect:

1. this steel construction hoist device in hoist and mount machinery limited space, order about the davit downstream through pressing down the davit, the davit can drive the driving gear rotation this moment, the driving gear drives the change gear rotation, change gear drives the pinion rack upward movement and drives driven gear rotation, driven gear drives the worm through supporting the diaphragm, the turbine, second conical gear, support the riser, the threaded rod, the slider, the hinge bar, move simultaneously with the dispensing board and be close to the support frame, in this moment, second conical gear rolls on first conical gear thereby drive the worm and rotate, the worm drives the turbine and rotates, the turbine drives the axis of rotation and rotates, the axis of rotation drives the support riser and is close to the support diaphragm and accomodate, the support riser drives the threaded rod at the in-process of accomodating, the slider, hinge bar and regulating plate are accomodate simultaneously, this device can make the davit through pressing down the davit, support diaphragm and support the riser and be close to accomplish accomodating simultaneously, accomodate effectually for the comparison file, and occupation space has further been reduced, be more convenient for depositing and carrying.

2. This steel construction hoist device in hoist and mount machinery limited space, when lifting on domatic and getting, through rotating the threaded rod, the threaded rod drives the slider motion, slider drive hinge bar motion, the hinge bar props up certain angle with the regulating plate and changes the focus position when lifting and getting, can make focus skew owing to hoist and mount on domatic, traditional hoist device is difficult to hoist and mount on domatic, and then make this device be applicable to domatic of different angles, has improved this hoist device's application scope.

3. This steel construction hoist device in hoist and mount machinery confined space, this device structure set up more rationally for the comparison file focus antedisplacement for the device is more stable when hanging to get, and the volume is light more and the focus is more stable need not to adjusting the contact surface, and is easy and simple to handle more.

Drawings

Fig. 1 is one of the overall three-dimensional structural diagrams of the present invention;

fig. 2 is a second schematic view of the overall three-dimensional structure of the present invention;

fig. 3 is a partially enlarged structural schematic diagram of the utility model at a in fig. 1;

fig. 4 is a partially enlarged structural schematic diagram of the utility model at B in fig. 1;

fig. 5 is a partially enlarged structural schematic diagram of the present invention at C of fig. 1;

fig. 6 is a schematic view of the present invention, partially enlarged at D of fig. 2;

FIG. 7 is a schematic view of the structure of the present invention in a partial three-dimensional cross section;

fig. 8 is a schematic view of a partial three-dimensional structure of the present invention.

In the figure: 1. a support frame; 11. a third port; 12. a first limit hole; 13. a second limiting hole; 14. a bolt; 2. a support mechanism; 21. a fixed shaft; 22. a stabilizing mechanism; 23. a driven gear; 24. supporting the transverse plate; 25. a first bevel gear; 221. a first port; 222. a rotating shaft; 223. a support vertical plate; 224. a turbine; 225. a worm; 226. a second bevel gear; 3. an adjustment mechanism; 31. a second port; 32. a threaded rod; 33. a slider; 34. a hinged lever; 35. an adjusting plate; 4. a transmission mechanism; 41. a suspension arm; 42. a driving gear; 43. a change gear; 44. a toothed plate; 5. a hoisting mechanism; 51. a U-shaped frame; 52. a rotating roller; 53. a drive motor; 54. a steel cord; 55. a fixed pulley; 56. and (4) hanging hooks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, a steel structure hoisting device for hoisting machinery limited space comprises a support frame 1, avoidance openings are formed in the top and the bottom of the support frame 1, a support mechanism 2 and an adjusting mechanism 3 are arranged on one side of the support frame 1, the support mechanism 2 is used for supporting and stabilizing the support frame 1, the adjusting mechanism 3 is arranged below the support mechanism 2, the adjusting mechanism 3 is used for adjusting the inclination of the device, a transmission mechanism 4 is arranged on the support frame 1, the transmission mechanism 4 comprises a suspension arm 41, a driving gear 42 is arranged on one side of the suspension arm 41, a change gear 43 is arranged on one side of the driving gear 42, and a toothed plate 44 is arranged on one side of the change gear 43; during storage, the suspension arm 41 is pressed downwards, the pressing suspension arm 41 drives the driving gear 42 to rotate while moving downwards, the turning gear 43 is further driven to rotate, the turning gear 43 drives the supporting mechanism 2 and the adjusting mechanism 3 to be close to the supporting frame 1 through the toothed plate 44, the hoisting mechanism 5 is arranged at the top of the suspension arm 41, and the hoisting mechanism 5 is used for hoisting an object.

When the lifting mechanism 5 is started to lift the equipment, after the lifting mechanism 5 is used, the lifting mechanism 5 is closed, the suspension arm 41 is pressed manually to move downwards, the suspension arm 41 drives the lifting mechanism 5 to move downwards, meanwhile, the suspension arm 41 can drive the driving gear 42 to rotate, the driving gear 42 drives the turning gear 43 to rotate, and the turning gear 43 drives the toothed plate 44 to move upwards to drive the supporting mechanism 2 and the adjusting mechanism 3 to move towards the supporting frame 1 to finish storage.

Further, the supporting mechanism 2 comprises a fixed shaft 21 and a stabilizing mechanism 22, the fixed shaft 21 is fixedly installed on one side of the supporting frame 1, a driven gear 23 is rotatably matched on the fixed shaft 21, a supporting transverse plate 24 is fixedly installed on the driven gear 23, the driven gear 23 is meshed with a toothed plate 44, a first conical gear 25 is fixedly sleeved on the fixed shaft 21, and when the toothed plate 44 is driven to move by pressing the suspension arm 41, the toothed plate 44 drives the supporting transverse plate 24 to approach the supporting frame 1 through the driven gear 23; after the use is accomplished, need to accomodate the accessible and press davit 41 and drive pinion rack 44 upward movement, pinion rack 44 upward movement drives driven gear 23 and rotates, and driven gear 23 drives the support diaphragm 24 and is close to the support frame and accomplish and accomodate.

Further, the stabilizing mechanism 22 includes a first through hole 221, a rotating shaft 222 is rotatably fitted on the inner wall of the top of the first through hole 221, the bottom end of the rotating shaft 222 extends to the lower side of the supporting transverse plate 24, a supporting vertical plate 223 is fixedly installed at the bottom end of the rotating shaft 222, a worm wheel 224 is fixedly sleeved on the rotating shaft 222, the worm wheel 224 is arranged in the first through hole 221, a worm 225 is rotatably fitted on one side of the supporting transverse plate 24, the worm 225 is meshed with the worm wheel 224, a second bevel gear 226 is fixedly sleeved at one end of the worm 225, the second bevel gear 226 is meshed with the first bevel gear 25, the worm 225, the worm wheel 224, the second bevel gear 226 and the supporting vertical plate 223 are driven to move simultaneously in the movement process of the supporting transverse plate 24, the first bevel gear 25 rolls to drive the worm 225 to drive the worm wheel 224 to rotate while the second bevel gear 226 moves, and the worm wheel 224 drives the vertical plate to move; in the process of moving and accommodating the supporting transverse plate 24 to the supporting frame 1, the supporting transverse plate 24 drives the worm 225, the worm wheel 224, the second bevel gear 226 and the supporting vertical plate 223 to move simultaneously, meanwhile, the second bevel gear 226 rolls on the first bevel gear 25 to drive the worm 225 to rotate, the worm 225 drives the worm wheel 224 to rotate, the worm wheel 224 drives the rotating shaft 222 to rotate, and the rotating shaft 222 drives the supporting vertical plate 223 to approach the supporting transverse plate 24 to be accommodated.

Further, the adjusting mechanism 3 comprises a second through hole 31, a threaded rod 32 is rotatably matched on the inner wall of one side of the second through hole 31, one end of the threaded rod 32 extends to the outer side of a supporting vertical plate 223 and is provided with a hexagonal groove, a sliding block 33 is in threaded fit on the threaded rod 32, the sliding block 33 is in sliding fit with the inner walls of two sides of the second through hole 31, a hinge rod 34 is hinged to the bottom of the sliding block 33, an adjusting plate 35 is hinged to the bottom of the supporting vertical plate 223, and the adjusting plate 35 is hinged to the hinge rod 34; by rotating the threaded rod 32, the threaded rod 32 drives the hinge rod 34 through the sliding block 33 to support the adjusting plate 35; when using this hoist device to hang on domatic and get, rotatable threaded rod 32, threaded rod 32 drive the slider 33 motion, and slider 33 drives articulated rod 34 and props up regulating plate 35 and form certain angle with supporting riser 223 and change the focus position when hanging and getting.

Furthermore, a third through hole 11 is formed in the outer wall of one side of the support frame 1, and the change gear 43 is arranged in the third through hole 11; the change gear 43 is used for changing the transmission direction of the machine; diversion gear 43 meshes with driving gear 42 mutually, and driving gear 42 sets up in one side of support frame 1, and diversion gear 43 meshes with pinion rack 44 mutually, and pinion rack 44 sets up in support frame 1, and the top of pinion rack 44 runs through corresponding dodge mouthful and extend to the top of support frame 1, pinion rack 44 and one side inner wall sliding fit of support frame 1.

Furthermore, a first limit hole 12 is formed in the support frame 1, a second limit hole 13 is formed in the toothed plate 44, and a bolt 14 is arranged in the first limit hole 12 and the second limit hole 13; the latch 14 is used to limit the position of the toothed plate 44; after the use, the bolt 14 can be taken down from the first limiting hole 12 and the second limiting hole 13, and then can be stored.

Further, the hoisting mechanism 5 comprises a U-shaped frame 51, rotating rollers 52 are rotatably matched on the inner walls of two sides of the U-shaped frame 51, a driving motor 53 is arranged on one side of the U-shaped frame 51, an output shaft of the driving motor 53 is fixedly connected with the rotating rollers 52, when the hoisting mechanism is used, the driving motor 53 is started, the output shaft of the driving motor 53 drives the rotating rollers 52 to rotate, and the rotating rollers 52 are hoisted through a steel cable 54 and a hook 56 which are proposed below.

Furthermore, a steel cable 54 is arranged on the rotating roller 52, a fixed pulley 55 is arranged at one end of the suspension arm 41, and the steel cable 54 passes through the fixed pulley 55; the fixed pulley 55 is used for reducing the friction force of the steel cable 54, and a concave surface is arranged on the fixed pulley 55 for limiting the position of the steel cable 54; and one end of the wire rope 54 is provided with a hook 56.

The working principle is as follows: when the lifting device is used, if a slope situation is met, the threaded rod 32 can be rotated, the threaded rod 32 drives the sliding block 33 to move, the sliding block 33 drives the hinge rod 34 to support the adjusting plate 35 and form a certain angle with the supporting vertical plate 223 to change the gravity center position during lifting, after the adjustment is completed, equipment to be lifted can be hung on the hook 56, then the driving motor 53 can be started, the output shaft of the driving motor 53 drives the rotating roller 52 to rotate, the rotating roller 52 lifts through the steel cable 54 and the hook 56, after the lifting is completed, the driving motor 53 is closed and the threaded rod 32 is reversely rotated to restore to the initial position, then the bolt 14 is taken down from the second limiting hole 13 of the first limiting hole 12 and presses the suspension arm 41 to drive the suspension arm 41 to move downwards, the suspension arm 41 drives the driving motor 53, the rotating roller 52, the steel cable 54, the hook 56 and the fixed pulley 55 to move simultaneously, meanwhile, the driving gear 42 is driven by the driving gear 42 to drive the change gear 43 to rotate, the change gear 43 drives the toothed plate 44 to move upwards to drive the driven gear 23 to drive the second bevel gear 225, and the second bevel gear 224 to move towards the supporting frame 223;

when the supporting transverse plate 24 drives the second bevel gear 226 to move, the second bevel gear 226 can roll on the first bevel gear 25 to drive the worm 225 to rotate, the worm 225 drives the worm wheel 224 to rotate, the worm wheel 224 drives the rotating shaft 222 to rotate, the rotating shaft 222 drives the supporting vertical plate 223 to be close to the supporting transverse plate 24 to be stored, the supporting vertical plate 223 drives the threaded rod 32, the sliding block 33, the hinge rod 34 and the adjusting plate 35 to be stored simultaneously in the storage process, in the later-stage use process, the supporting transverse plate and the supporting vertical plate can be driven to return to the initial positions by only dragging the suspension arm 41, and the plug pin 14 can be inserted into the first limiting hole 12 and the second limiting hole 13 to be used.

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

Claims (8)

1. The utility model provides a steel construction hoist device in hoist and mount mechanical confined space, includes support frame (1), its characterized in that: the top and the bottom of the support frame (1) are provided with avoidance openings, one side of the support frame (1) is provided with a support mechanism (2) and an adjusting mechanism (3), the support mechanism (2) is used for supporting and stabilizing the support frame (1), the adjusting mechanism (3) is arranged below the support mechanism (2), the adjusting mechanism (3) is used for adjusting the inclination of the device, the support frame (1) is provided with a transmission mechanism (4), the transmission mechanism (4) comprises a suspension arm (41), one side of the suspension arm (41) is provided with a driving gear (42), one side of the driving gear (42) is provided with a change gear (43), and one side of the change gear (43) is provided with a toothed plate (44); press davit (41) downwards during accomodating, davit (41) drive driving gear (42) and rotate in downstream, and then drive change gear (43) and rotate, change gear (43) drive supporting mechanism (2) and adjustment mechanism (3) through pinion rack (44) are close to support frame (1) direction simultaneously, the top of davit (41) is provided with hoisting machine and constructs (5), hoisting machine constructs (5) and is used for hanging and gets the object.

2. The steel structure hoisting device for hoisting machinery in limited space according to claim 1, characterized in that: the supporting mechanism (2) comprises a fixed shaft (21) and a stabilizing mechanism (22), the fixed shaft (21) is fixedly installed on one side of the supporting frame (1), a driven gear (23) is matched on the fixed shaft (21) in a rotating mode, a supporting transverse plate (24) is fixedly installed on the driven gear (23), the driven gear (23) is meshed with the toothed plate (44), and a first conical gear (25) is fixedly sleeved on the fixed shaft (21); when the suspension arm (41) is pressed to drive the toothed plate (44) to move, the toothed plate (44) drives the supporting transverse plate (24) to approach the supporting frame (1) through the driven gear (23).

3. The steel structure hoisting device for hoisting the limited space of the machinery as claimed in claim 2, wherein: the stabilizing mechanism (22) comprises a first through hole (221), a rotating shaft (222) is rotatably matched on the inner wall of the top of the first through hole (221), the bottom end of the rotating shaft (222) extends to the lower portion of the supporting transverse plate (24), a supporting vertical plate (223) is fixedly installed at the bottom end of the rotating shaft (222), a turbine (224) is fixedly sleeved on the rotating shaft (222), the turbine (224) is arranged in the first through hole (221), a worm (225) is rotatably matched on one side of the supporting transverse plate (24), the worm (225) is meshed with the turbine (224), a second bevel gear (226) is fixedly sleeved at one end of the worm (225), and the second bevel gear (226) is meshed with the first bevel gear (25); in the process of movement of the supporting transverse plate (24), the worm (225), the worm wheel (224), the second bevel gear (226) and the supporting vertical plate (223) are driven to move simultaneously, the second bevel gear (226) rolls on the first bevel gear (25) while moving, the worm wheel (225) is driven to drive the worm wheel (224) to rotate, and the worm wheel (224) drives the vertical plate to move.

4. The steel structure hoisting device for hoisting the limited space of the machinery as claimed in claim 3, wherein: the adjusting mechanism (3) comprises a second through hole (31), a threaded rod (32) is rotatably matched on the inner wall of one side of the second through hole (31), one end of the threaded rod (32) extends to the outer side of a supporting vertical plate (223) and is provided with a hexagonal groove, a sliding block (33) is in threaded fit on the threaded rod (32), the sliding block (33) is in sliding fit with the inner walls of the two sides of the second through hole (31), a hinge rod (34) is hinged to the bottom of the sliding block (33), an adjusting plate (35) is hinged to the bottom of the supporting vertical plate (223), and the adjusting plate (35) is hinged to the hinge rod (34); by rotating the threaded rod (32), the threaded rod (32) drives the hinged rod (34) through the sliding block (33) to support the adjusting plate (35).

5. The steel structure hoisting device for hoisting the limited space of the machinery as claimed in claim 1, wherein: third opening (11) have been seted up to one side outer wall of support frame (1), change gear (43) set up in third opening (11), change gear (43) with driving gear (42) mesh mutually, just driving gear (42) set up one side of support frame (1), change gear (43) with pinion rack (44) mesh mutually, just pinion rack (44) set up in support frame (1), the top of pinion rack (44) runs through correspondingly dodge the mouth and extend to the top of support frame (1), pinion rack (44) with one side inner wall sliding fit of support frame (1).

6. The steel structure hoisting device for hoisting the limited space of the machinery as claimed in claim 1, wherein: the supporting frame (1) is provided with a first limiting hole (12), the toothed plate (44) is provided with a second limiting hole (13), and the first limiting hole (12) and the second limiting hole (13) are internally provided with a bolt (14).

7. The steel structure hoisting device for hoisting the limited space of the machinery as claimed in claim 1, wherein: hoisting machine constructs (5) including U-shaped frame (51), the normal running fit has rotor (52) on the both sides inner wall of U-shaped frame (51), one side of U-shaped frame (51) is provided with driving motor (53), just driving motor (53) the output shaft with rotor (52) fixed connection.

8. The steel structure hoisting device for hoisting the limited space of the machinery as claimed in claim 7, wherein: the rotating roller (52) is provided with a steel cable (54), one end of the suspension arm (41) is provided with a fixed pulley (55), the steel cable (54) passes through the fixed pulley (55), and one end of the steel cable (54) is provided with a hook (56).

Images