CN115285835A

CN115285835A - Hoisting device and method for heavy H-shaped steel

Info

Publication number: CN115285835A
Application number: CN202210916439.3A
Authority: CN
Inventors: 夏华; 马新新; 魏中华
Original assignee: Changjiang & Jinggong Steel Structure Group Co ltd
Current assignee: Changjiang & Jinggong Steel Structure Group Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-11-04

Abstract

The invention relates to the field of steel lifting, and discloses a lifting device and a method for heavy H-shaped steel, wherein the lifting device comprises the steel, and clamping mechanisms are connected around the steel; the steel cable, it runs through fixture, and its other end is connected with construction machine, fixture includes: the top of the bottom plate is rotatably connected with a rotating shaft; the bottom of the clamping cover is fixedly connected with a stable sleeve fixedly sleeved with the rotating shaft, and the stable sleeve is connected with a transmission unit positioned in the bottom plate; the stress unit is fixedly connected to one side of the bottom plate, and one side of the stress unit is communicated with the transmission unit; one end of the first spring is fixedly connected with the bottom plate, and the other end of the first spring is fixedly connected with a pressurizing block which is in sliding sleeve joint with the bottom plate.

Description

Hoisting device and method for heavy H-shaped steel

Technical Field

The invention relates to the field of steel lifting, in particular to a lifting device and method for heavy H-shaped steel.

Background

Shaped steel is a cross sectional area distribution and optimizes more, economic section high efficiency section bar that the strength-to-weight ratio is more reasonable, because of its section is the same with english letter "H", it has good mechanical properties, the comparatively extensive of application in the steel material, in the work progress, the mode of general adoption hoist and mount is installed, but current hoist and mount generally directly adopts the steel cable fixed or grip block cooperation bolt to fix on steel, then hoist and mount, after the hoist and mount is accomplished, unload the bolt again or other devices, whole process is comparatively complicated, more intensity of labour has been increased.

Disclosure of Invention

In order to solve the technical problem of complicated hoisting, the invention provides a hoisting device and method for heavy H-shaped steel.

A hoisting device of heavy H-shaped steel comprises:

the shaped steel, its all is connected with fixture all around, and shaped steel is the material of being hoisted, according to its weight and atress distribution, chooses for use the fixture of different quantity in order to carry out the centre gripping, guarantees that its each point position atress is even.

And the steel cable penetrates through the clamping mechanism, the other end of the steel cable is connected with the construction mechanism, the steel cable is hung and connected between the clamping mechanism and the construction mechanism, and the transfer of the profile steel is ensured.

As a further improvement of the above aspect, the clamping mechanism includes:

the bottom plate, its top is rotated and is connected with the axis of rotation, and the bottom plate carries out necessary support, and it contacts with shaped steel, and the cooperation utilizes the centre gripping lid of axis of rotation connection, carries out the connection and the centre gripping of shaped steel.

The centre gripping lid, its bottom fixedly connected with and the fixed stable cover that cup joints of axis of rotation, stable cover is connected with the drive unit who is located the bottom plate, and stable cover is connected between with centre gripping lid and the axis of rotation, and the cooperation drive unit carries out necessary auxiliary work simultaneously.

And the stress unit is fixedly connected to one side of the bottom plate, one side of the stress unit is communicated with the transmission unit, and the stress unit is connected with the steel cable to realize necessary connection.

One end of the first spring is fixedly connected with the bottom plate, the other end of the first spring is fixedly connected with a pressurizing block which is in sliding sleeve joint with the bottom plate, and the pressurizing block has a downward moving trend through the first spring and is positioned in the bottom plate under the condition of no stress, so that the subsequent work is ensured.

The binding blocks are in a group, are respectively fixedly connected with the clamping cover and the bottom plate, and are connected with the connectors between the binding blocks, the two binding blocks are connected through the connectors, and the stability of the relative position between the clamping cover and the bottom plate is further guaranteed.

The tail pipe blocks are fixedly connected with the bottom plate, tail pipe holes are formed in the middle of the tail pipe blocks, and the steel cable penetrates through the tail pipe holes in the two tail pipe blocks to form two directions, so that preliminary stability is achieved.

As a further improvement of the above solution, the transmission unit comprises:

and the middle cavity is arranged in the bottom plate, is communicated with the stress unit, is communicated with one side of the first processing pipe, and is used for temporarily storing liquid in the whole area when the liquid flows so as to ensure the stability of the amount of the flowing liquid.

The middle pipe is connected with the treatment pipe, one side of the middle pipe is connected with the clamping pipe, the other end of the clamping pipe is communicated with a clamping channel located in the bottom plate, one end of the clamping channel is communicated with a clamping groove located in the bottom plate, the middle pipe divides the flow, liquid overflowing from the middle cavity enters the middle pipe through the treatment pipe, and then the liquid is divided into the clamping pipe, the pressurizing pipe and the extension pipe as required to realize subsequent work.

The pushing block is in sliding sleeve connection with the groove wall of the clamping groove and is fixedly connected with the stabilizing sleeve, and the pushing block is stressed externally, so that liquid enters the clamping pipe, further enters the clamping groove through the clamping channel, the pushing block is forced to move, the pushing block is further driven to rotate with the stabilizing sleeve and the clamping cover, the clamping force is further increased, and the clamping stability is guaranteed.

One end of the clamping pipe is fixedly connected with the middle pipe, the other end of the clamping pipe is communicated with a pressurizing groove used for accommodating a pressurizing block, the pressurizing groove is positioned in the bottom plate, liquid enters the pressurizing groove through the clamping pipe similarly, the pressurizing block is forced to move, and the bottom of the clamping pipe is pressurized to ensure the stability of clamping.

An extension pipe connected with the intermediate pipe and having the other end connected with the connector.

As a further improvement of the above scheme, an adding cavity is further arranged in the bottom plate, the adding cavity is communicated with two adding pipes communicated with the middle cavity, the two adding pipes are respectively connected with a one-way valve and an electromagnetic valve, the top of the adding cavity is provided with a heavy object block, the clamping cover is connected with an auxiliary arc, the bottom plate is provided with a plurality of placing grooves, the placing grooves are connected with placing plates, wedge-shaped plates are connected under the clamping cover, the adding cavity is internally provided with the same liquid, the liquid in the adding cavity leaks or is supported under other conditions in the middle cavity, the liquid in the adding cavity enters the middle cavity through one of the adding pipes, the adding is carried out, the placing plates are matched with the placing grooves to carry out local auxiliary limiting, so that after accidental loosening occurs in the clamping process, the liquid can still be limited by the placing plates, can be forced not to fall in a certain range, the safety of the whole body is ensured, the wedge-shaped plates are placed on one side of the clamping cover to be pressurized, and auxiliary work is carried out.

As a further improvement of the above aspect, the force receiving unit includes:

the arc ring is fixedly connected with the bottom plate, a power cavity is arranged in the arc ring, the arc ring is limited necessarily, and liquid is filled in the power cavity.

The pushing arc is arranged in the power cavity, one side of the pushing arc is connected with the trigger, the other end of the trigger is connected with the stabilizing ring, when the pushing arc moves on one side, the space of the power cavity is reduced, the pushing arc and a human body are discharged into the middle cavity through the overflow channel, and then the pushing arc is distributed to other positions to work.

The buffering ring is fixedly sleeved in the stabilizing ring, a guide ring is fixedly connected in the buffering ring, a steel cable penetrates through the guide ring and then is buffered to a certain extent through the buffering ring, and overlarge impact force is reduced when the buffering ring is lifted or put down.

One end of the overflow channel is communicated with the power cavity, and the other end of the overflow channel is communicated with the middle cavity.

As a further improvement of the above scheme, the flip-flop includes:

the pushing block is fixedly connected with the stabilizing ring at one end, the guide sleeve fixedly connected with the arc-shaped ring is sleeved at the other end of the pushing block in a sliding mode, the steel cable is pulled upwards in the starting process, the guide ring is driven to move at the moment, the pushing block is further driven to move, and the pushing block is pushed by the second spring to move so as to extrude liquid.

One end of each second spring is fixedly connected with the guide sleeve, one end of each second spring positioned above the guide sleeve is fixedly connected with the pushing arc, and the two second springs positioned below the guide sleeve are fixedly connected with the arc-shaped ring;

the connector includes:

and the upper sliding ring is hung on one of the binding blocks.

The lower sliding ring, the lower sliding ring articulates on another constraint piece, the top sliding connection of lower sliding ring has the work circle, through the connection of syllogic for form necessary injecing between centre gripping lid and the bottom plate, when the work circle removed one side simultaneously, both separated, realized the broken block, at the during operation, the pressure block in the work circle removes, makes and goes up the trend that has relative being close to between sliding ring and the lower sliding ring between the two, forms the centre gripping, then make the connection achilles tendon between centre gripping lid and the bottom plate stable.

And one end of the receiving pipe is connected with the extension pipe, the other end of the receiving pipe is fixedly connected with the lower sliding ring, and liquid enters the receiving pipe through the supply of the extension pipe to be added.

The lower guide pipe is arranged in the lower sliding ring, the top end of the lower guide pipe is connected with the hose, the other end of the hose is connected with the upper guide pipe located in the working ring, and liquid pushes the pushing rod to move after passing through the lower guide pipe, the hose and the upper guide pipe.

The push rod is sleeved in the working ring in a sliding mode, the bottom end of the push rod is fixedly connected with a pressing block in sliding sleeve connection with the working ring, and the movement of the push rod drives the pressing block to move, so that the stability of the relative position is realized.

Contact groove, it sets up in the bottom of last sliding ring, and it cooperatees with the pressurization piece, the below in contact groove is provided with the return sleeve with last sliding ring fixed connection, and the contact inslot can place the steel cable, under the centre gripping of pressurization piece, stabilizes, and the steel cable passes back the sleeve simultaneously, cooperates the needs of the further assurance centre gripping of tailpipe piece simultaneously.

And the limiting strip is fixedly connected with the lower sliding ring and is in sliding sleeve connection with the working ring, and the limiting strip ensures the relative position movement of the working ring.

As a further improvement of the scheme, the construction mechanism comprises a plurality of hitching devices connected with the steel cables, the hitching devices are connected with a balance plate together, the balance plate is connected with a plurality of pull ropes, the other ends of the pull ropes are connected with a gantry crane, the gantry crane can lift objects with larger weight, and the pull ropes and the balance plate are matched to ensure the lifting stability.

The hanging connector comprises a guide strip fixedly connected with the balance plate, a guide block is sleeved in the guide strip in a sliding mode, the steel cable is fixedly wound in the guide block, the guide block and the guide strip are fixedly connected through a bolt, and the hanging connector can be stably detached in the follow-up process through the sliding connection and the fixation of the bolt, so that the requirement of work is met.

As a further improvement of the scheme, the construction mechanism comprises a winder connected with the steel cable, a crane is connected onto the winder, the crane has high maneuvering capacity, and the steel cable can conveniently penetrate through the winder through the work of the winder.

The winder comprises an outermost protective shell, contact blocks are sleeved on two sides of the protective shell in a sliding mode, third springs are fixedly connected to two sides of each contact block, two contact blocks which are symmetrically arranged are connected with a winding roller in the middle in a rotating mode, through holes are formed in the winding roller, penetrating grooves are formed in the upper side and the lower side of the winding roller, the top of the protective shell is fixedly connected with a hanging arc connected with a crane, a plurality of penetrating pipes are fixedly connected to the bottom of the protective shell, a steel cable penetrates through the penetrating holes in the winding roller at the top of the protective shell and then winds back to the penetrating grooves between the two winding rollers, then penetrates through the penetrating holes in the other winding roller and is sequentially conducted, the steel cable penetrates through the penetrating pipes to be connected, and when the steel cable is stressed, the steel cable is extruded through the penetrating grooves, increased friction force can be generated due to the change of direction, the plurality of winding rollers are forced to be close to each other, and the steel cable is extruded through the penetrating grooves further, so that the stability of the steel cable is guaranteed.

A hoisting method of heavy H-shaped steel comprises the following steps:

s1, selecting section steel, driving a truck with the section steel to a specified position, and installing a clamping mechanism;

s2, inserting a steel cable on the clamping mechanism, and connecting the other end of the steel cable to the balance plate;

s3, hoisting to a specified position by using a gantry crane;

and S4, releasing pressure, removing the clamping mechanism, returning to the original position, and hoisting the next section steel.

A hoisting method of heavy H-shaped steel comprises the following steps:

s1, selecting section steel, driving a truck with the section steel to a specified position, and installing a clamping mechanism 2;

s2, inserting a steel cable on the clamping mechanism, and connecting the other end of the steel cable to the winder for connection;

s3, placing a level gauge on the section steel, and simultaneously placing a distance measuring instrument on the ground for measurement;

s4, coordinating a plurality of cranes to hoist synchronously, keeping the data of the gradienter at a specified position, and comprehensively judging the hoisting speed and hoisting angle of the gradienter through the distance meter to regulate and control in real time;

s5: slowly descending and placing to a specified position;

and S6, releasing the pressure, disassembling the clamping mechanism, returning to the original position, and hoisting the next section steel.

Compared with the prior art, the invention has the beneficial effects that:

1. different hoist and mount needs are adapted to through the device of difference, and the centre gripping of cooperation fixture is fixed simultaneously, and operations such as installation dismantlement among the reduction hoist and mount process that can be very big simplify a plurality of flows, reduce working strength.

2. Through the interaction between each device in the fixture, can be when hoist and mount, can be more stable carry out the centre gripping, along with the increase of weight, the clamping-force increases, the not hard up possibility of avoiding guarantees the safety of hoist and mount.

Drawings

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

FIG. 2 is a view taken at A in FIG. 1;

FIG. 3 is a schematic front view of embodiment 2 of the present invention;

fig. 4 is a schematic front sectional view of a hitch according to embodiment 2 of the present invention;

fig. 5 is a left side cross-sectional view of a hitch of embodiment 2 of the present invention;

FIG. 6 is a schematic top cross-sectional view of the present invention;

FIG. 7 is a schematic view of a clamping mechanism;

FIG. 8 is a front cross-sectional view of the clamping mechanism;

FIG. 9 is a front cross-sectional view of the force receiving unit of the clamping mechanism;

FIG. 10 is an enlarged view of the structure at B in FIG. 8;

FIG. 11 is a left side view of the clamping mechanism;

FIG. 12 is a schematic top view of the clamping mechanism;

FIG. 13 is a front cross-sectional view of the hitch;

FIG. 14 is a partial front cross-sectional view of the hitch;

fig. 15 is an enlarged schematic view of the structure at C in fig. 13.

Description of the main symbols:

1. section steel; 2. a clamping mechanism; 3. a wire rope; 4. pulling a rope; 5. a gantry crane; 6. a balance plate; 7. a guide strip; 8. a guide block; 10. a winder; 11. a crane; 12. a protective shell; 13. a through groove; 14. a wrapping roller; 15. a through hole; 16. hooking an arc; 17. penetrating a pipe; 18. a third spring; 19. a contact block; 20. a base plate; 21. a tail pipe block; 22. a tie block; 23. an arc-shaped ring; 24. a placement groove; 25. an auxiliary arc; 26. a clamping cover; 27. placing the plate; 28. pressing a block; 29. a wedge plate; 30. a power cavity; 31. a buffer ring; 32. pushing the arc; 33. a stabilizing ring; 34. treating the tube; 35. an extension pipe; 36. an intermediate pipe; 37. a first spring; 38. a guide ring; 39. a pressurizing pipe; 40. a middle cavity; 41. clamping the tube; 42. a connector; 43. an addition chamber; 45. a second spring; 46. an overflow channel; 47. a pushing block; 48. a guide sleeve; 49. a stabilizing sleeve; 50. a rotating shaft; 51. a clamping track; 52. a pushing block; 53. a clamping groove; 60. an upper sliding ring; 62. a lower sliding ring; 63. a receiving tube; 64. returning the sleeve; 65. a working ring; 66. an upper flow guide pipe; 67. a push rod; 68. pressing a block; 69. a hose; 70. a lower guide pipe; 71. a bar is defined.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

Example 1:

referring to fig. 1, 2, and 6-15, an implementation principle of a hoisting device and a method for heavy H-shaped steel in the embodiments of the present application is as follows:

selecting a gantry crane 5 with a proper model, lowering a pull rope 4 and a balance plate 6 to a specified position, then placing the section steel 1 to the specified position, selecting a certain number of clamping mechanisms 2 according to stress requirements, clamping the clamping mechanisms 2 to the periphery of the section steel 1 at the moment, then carrying out preliminary connection and fixation on a clamping cover 26 and a bottom plate 20 by using a connector 42, after the completion, penetrating and winding one end of a steel cable 3 in the clamping mechanisms 2 to form fixation, then installing the other end of the steel cable 3 in a guide block 8, then installing the guide block 8 in a guide strip 7, realizing connection with the balance plate 6, starting the gantry crane 5 at the moment, hoisting, loosening the steel cable 3 after the completion of hoisting, loosening the steel cable in a stretching state, relieving the pressure of the clamping mechanisms 2, then taking out the clamping mechanisms 2 from the section steel 1, and hoisting the next section steel 1.

During installation, the steel cable 3 firstly passes through the guide ring 38 in the clamping mechanism 2, then passes through one tail pipe block 21 on one side, is wound on the auxiliary arc 25, passes through the other auxiliary arc 25, is wound on the tail pipe block 21 at the bottom of the other side, then turns to the tail pipe block 21 wound on the upper side, passes through the bottom of the bottom plate 20 after being wound on the vertical steel cable 3 for a plurality of circles, is wound in the tail pipe block 21 on the other side, is wound on the steel cable 3 for a plurality of circles, is wound on the hose 69 in the connector 42, and finally passes through the return sleeve 64 to complete installation.

In the hoisting process, under the action of the upper pulling force, the guide ring 38 moves, is buffered by the buffer ring 31, reduces the vibration, meanwhile, the forced pushing block 47 and the second spring 45 move, further forces the pushing arc 32 to move, extrudes the space in the power cavity 30, enables the liquid in the power cavity to overflow, enters the middle cavity 40 through the overflow channel 46, then enters the clamping tube 41, the clamping tube 39 and the extension tube 35 through the treatment tube 4 and the shunt channel 3, respectively enters the clamping groove 53 after passing through the clamping channel 51, forces the pushing block 52 to move or have a moving trend, then drives the stabilizing sleeve 49 and the clamping cover 26 to move, and realizes the stabilization of the clamping force, the liquid entering the clamping cover 39 forces the pressurizing block 28 to move to clamp the bottom, the two cooperate to realize more stable clamping, meanwhile, the heavier the object is, the greater the moving amount trend of the pushing arc 32 is, and further the clamping force of the two is, the more the self-adaptive weight changes, and the liquid passing through the extension pipe 35 enters the lower guide pipe 70 after passing through the receiving pipe 63, and further pushes through the hose 69 and the upper guide pipe 66, the pressurizing block 68 is forced to move, the steel cable 3 is clamped under the limitation of the pressurizing block 68, and meanwhile, a certain force is formed between the working ring 65 and the upper sliding ring 60, and further, the clamping between the upper clamping cover 26 and the bottom plate 20 is more stable.

After using the completion, steel cable 3 relaxs, through the effect of spring and atmospheric pressure for hydraulic pressure returns initial condition, and at this moment, rotation centre gripping lid 26 dismantles, accomplishes whole hoist and mount work after, unties steel cable 3, carries out accomodating in later stage.

Example 2:

with reference to fig. 3 to 15, this embodiment is further improved on the basis of embodiment 1 in that: selecting a crane 11 with a proper model, simultaneously placing the section steel 1 at a designated position, selecting a certain number of clamping mechanisms 2 and cranes 11 according to stress requirements, clamping the clamping mechanisms 2 to the periphery of the section steel 1, then primarily connecting and fixing the clamping cover 26 and the bottom plate 20 by using the connector 42, after the clamping mechanisms 2 are completed, winding one end of a steel cable 3 in the clamping mechanisms 2 to form fixation, then installing the other end of the steel cable 3 in the winder 10, then hanging the winder 10 on a hook of the crane 11 to realize connection, starting the crane 11 to hoist, after the hoisting is completed, loosening the steel cable 3 to enable the steel cable 3 to be loosened in a stretching state, relieving the pressure of the clamping mechanisms 2, then taking out the clamping mechanisms 2 from the section steel 1 to hoist the next section steel 1, and after the hoisting is completed, removing the steel cable 3 and storing each device;

when the steel cable 3 passes through the winder 10, the steel cable 3 firstly passes through the through hole 15 in the winding roller 14 at the top, then is wound back to the through groove 13 between the two winding rollers 14, then passes through the through hole 15 in the other winding roller 14, sequentially passes through the through pipe 17, is connected, and when the steel cable is stressed, the direction is changed, increased friction force can be generated, meanwhile, the winding rollers 14 are forced to be close to each other, and the steel cable 3 is further extruded through the through groove.

The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are intended to be covered by the claims.

Claims

1. The utility model provides a hoist device of heavy H shaped steel which characterized in that includes:

the periphery of the profile steel is connected with a clamping mechanism;

and the steel cable penetrates through the clamping mechanism, and the other end of the steel cable is connected with the construction mechanism.

2. The hoisting device of heavy H-shaped steel according to claim 1, wherein the clamping mechanism comprises:

the top of the bottom plate is rotatably connected with a rotating shaft;

the bottom of the clamping cover is fixedly connected with a stable sleeve fixedly sleeved with the rotating shaft, and the stable sleeve is connected with a transmission unit positioned in the bottom plate;

the stress unit is fixedly connected to one side of the bottom plate, and one side of the stress unit is communicated with the transmission unit;

one end of the first spring is fixedly connected with the bottom plate, and the other end of the first spring is fixedly connected with a pressurizing block which is in sliding sleeve joint with the bottom plate;

two binding blocks are arranged in one group and are respectively fixedly connected with the clamping cover and the bottom plate, and a connector is connected between the two binding blocks in one group;

and the tail pipe block is fixedly connected with the bottom plate, and a tail pipe hole is formed in the middle of the tail pipe block.

3. The hoisting device of a heavy H-shaped steel according to claim 2, wherein the transmission unit comprises:

the middle cavity is arranged in the bottom plate, communicated with the stress unit and communicated with a first treatment pipe at one side;

the middle tube is connected with the treatment tube, one side of the middle tube is connected with the clamping tube, the other end of the clamping tube is communicated with a clamping channel positioned in the bottom plate, and one end of the clamping channel is communicated with a clamping groove positioned in the bottom plate;

the pushing block is sleeved with the groove wall of the clamping groove in a sliding manner and is fixedly connected with the stabilizing sleeve;

one end of the pressurizing pipe is fixedly connected with the middle pipe, the other end of the pressurizing pipe is communicated with a pressurizing groove for containing a pressurizing block, and the pressurizing groove is positioned in the bottom plate;

4. The hoisting device of heavy H-shaped steel according to claim 3, wherein the bottom plate is further provided with an adding cavity, the adding cavity is communicated with two adding pipes communicated with the middle cavity, the two adding pipes are respectively connected with a one-way valve and an electromagnetic valve, the top of the adding cavity is provided with a heavy object block, the clamping cover is connected with an auxiliary arc, the bottom plate is provided with a plurality of placing grooves, the placing grooves are connected with placing plates, and wedge-shaped plates are connected below the clamping cover.

5. The hoisting device of heavy H-shaped steel according to claim 3, wherein the force-bearing unit comprises:

the arc-shaped ring is fixedly connected with the bottom plate, and a power cavity is arranged in the arc-shaped ring;

the pushing arc is arranged in the power cavity, one side of the pushing arc is connected with a trigger, and the other end of the trigger is connected with a stabilizing ring;

the buffer ring is fixedly sleeved in the stabilizing ring, and a guide ring is fixedly connected in the buffer ring;

6. The hoisting device of a heavy type H-shaped steel according to claim 5, wherein the trigger comprises:

one end of the pushing block is fixedly connected with the stabilizing ring, and the other end of the pushing block is sleeved with a guide sleeve fixedly connected with the arc-shaped ring in a sliding manner;

the said connector includes:

the upper sliding ring is hung on one of the restraint blocks;

the lower sliding ring is hung on the other binding block, and the top of the lower sliding ring is connected with a working ring in a sliding manner;

one end of the receiving pipe is connected with the extension pipe, and the other end of the receiving pipe is fixedly connected with the lower sliding ring;

the lower guide pipe is arranged in the lower sliding ring, the top end of the lower guide pipe is connected with a hose, and the other end of the hose is connected with an upper guide pipe positioned in the working ring;

the pushing rod is sleeved in the working ring in a sliding manner, and the bottom end of the pushing rod is fixedly connected with a pressurizing block which is sleeved with the working ring in a sliding manner;

the contact groove is arranged at the bottom of the upper sliding ring and is matched with the pressurizing block, and a loop sleeve fixedly connected with the upper sliding ring is arranged below the contact groove;

and the limiting strip is fixedly connected with the lower sliding ring and is in sliding sleeve connection with the working ring.

7. The hoisting device of heavy H-shaped steel of claims 1-6, wherein the construction mechanism comprises hooks connected with steel cables, a plurality of the hooks are commonly connected with a balance plate, a plurality of pull ropes are connected with the balance plate, and the other ends of the pull ropes are connected with a gantry crane;

the hanging connector comprises a guide strip fixedly connected with the balance plate, a guide block is sleeved in the guide strip in a sliding mode, the steel cable is fixedly wound in the guide block, and the guide block is fixedly connected with the guide strip through a bolt.

8. The hoisting device of heavy H-shaped steel according to claim 1-6, wherein the construction mechanism comprises a wire winder connected with a steel cable, and a crane is connected to the wire winder;

the winder comprises an outermost protective shell, contact blocks are sleeved on two sides of the protective shell in a sliding mode, third springs are fixedly connected to two sides of each contact block, a winding roller is connected to the middle of each contact block, which is symmetrically arranged, through holes are formed in the winding roller, penetrating grooves are formed in the upper side and the lower side of the winding roller, hanging arcs connected with a crane are fixedly connected to the top of the protective shell, and a plurality of penetrating pipes are fixedly connected to the bottom of the protective shell.

9. The hoisting method of the heavy H-shaped steel hoisting device according to the claims 1 to 7, characterized by comprising the following steps:

s3, hoisting to a specified position by using a gantry crane;

10. The hoisting method using the hoisting device for the heavy H-shaped steel of claims 1 to 6 and 8 is characterized by comprising the following steps:

s4, coordinating a plurality of cranes to hoist synchronously, keeping the data of the gradienter at a specified position, and comprehensively judging the hoisting speed and hoisting angle through the distance meter to regulate and control in real time;

s5: slowly descending and placing to a specified position;

and S6, releasing pressure, removing the clamping mechanism, returning to the original position, and hoisting the next section steel.