A hoisting device for installation and construction of building steel structure

Abstract

The present invention relates to the technical field of construction equipment, and discloses a hoisting device for the installation and construction of building steel structures, including a hydraulic drive mechanism and a combined hook mechanism, wherein a semi-cylindrical protrusion structure fixedly installed on one side of a columnar hollow shell and an annular clamping block that can be clamped on the semi-cylindrical protrusion structure to form a combined structure are arranged inside the hoisting device for the installation and construction of building steel structures. The liquid pressure is used to enable the bandage to clamp the steel structure in a large-area wrapping manner, and then the expansion of the elastic airbag sheet after being stressed is used to wrap and clamp the upper structure of the steel structure. The clamping force of the elastic airbag sheet and the bandage on the steel structure is derived from the same liquid pressure, and therefore, it has an isobaric clamping effect, so that the pressure of wrapping the steel structure is more uniform, so as to improve the clamping stability and protective effect of the steel structure.

Description

Technical Field

[0001] The invention relates to the technical field of building equipment, in particular to a hoisting device used for installation and construction of building steel structures. Background Art

[0002] The hoisting of thin-walled pipes inside buildings is a very important part of the installation project. Thin-walled pipes are generally located on the upper part of the house, at a high distance from the ground. The installation of thin-walled pipes is assisted by the lifting points on the upper part of the house. The traditional lifting point-assisted installation method, due to the thin pipe wall and the unadjustable strength of the clamping device, is easy to cause the thin-walled pipes to be squeezed and deformed by the clamping claws during the hoisting process, affecting the installation quality. Currently, during the hoisting process, it is necessary to manually fix the pipes on the clamping device, and sometimes they need to be tied with ropes. The process of clamping the pipes is relatively cumbersome, which leads to slow hoisting progress, slow construction and increased construction period.

[0003] To this end, the Chinese patent with the publication number "CN213059881U" announced "a hoisting and clamping device for construction with good clamping effect", whose main structure includes a hoisting plate, a hoisting hook is fixedly connected to the middle of the upper surface of the hoisting plate, a hydraulic pump station is fixedly connected to the left and right sides of the upper surface of the hoisting plate, a hydraulic clamping device is arranged on the left and right sides of the lower surface of the hoisting plate, and a fixed frame is fixedly connected to the middle of the lower surface of the hoisting plate. The hoisting and clamping device for construction with good clamping effect drives the rack, the rotating gear and the clamping rod to clamp and fix the pipeline through the hydraulic cylinder, and then drives the linkage rod and the clamping claw to assist in clamping and fixing the pipeline through the electric push rod, further improving the clamping effect of the pipeline, avoiding the pipeline from falling during the hoisting process, and improving the safety during construction.

[0004] However, when the above-mentioned lifting clamping device for construction with good clamping effect is actually used, since its clamping structure is a clearly structured rod-shaped structure, the clamping structure mostly contacts the steel structure in a point or line manner. This contact method will cause some thin-walled pipes to be squeezed and deformed by the clamping claws, affecting the installation quality. Therefore, it still has a great risk of use. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a lifting device for the installation and construction of building steel structures, which utilizes liquid pressure to enable a bandage to clamp the steel structure in a large-area wrapping manner, and then utilizes the expansion of the elastic airbag sheet after being subjected to force to wrap and clamp the upper structure of the steel structure. The clamping force of the elastic airbag sheet and the bandage on the steel structure comes from the same liquid pressure. Therefore, it has an isobaric clamping effect, thereby making the pressure of wrapping the steel structure more uniform, thereby improving the clamping stability and protective effect of the steel structure, and solving the above-mentioned technical problems.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a lifting device for the installation and construction of building steel structures, comprising a hook body with a hook hole arranged inside and a bandage with strip embedded plates fixedly installed at both ends, and also comprising a hydraulic drive mechanism, wherein a cylindrical hollow shell fixedly installed at the bottom of the hook body and hollow inside is arranged inside, an elastic airbag sheet placed at the bottom open end of the cylindrical hollow shell and expanding downward after being subjected to liquid pressure, a piston body placed inside the cylindrical hollow shell and moving upward after being subjected to liquid pressure, and a longitudinal telescopic rod capable of moving longitudinally with the piston body; and a combined hook mechanism, wherein a semi-cylindrical protrusion structure fixedly installed on one side of the cylindrical hollow shell and an annular clamping block capable of being clamped on top of the semi-cylindrical protrusion structure to form a combined structure is arranged inside.

[0007] Preferably, the hydraulic drive mechanism comprises a cylindrical hollow shell, the top of which is fixedly mounted on the bottom of the hook body, a No. 1 liquid storage chamber with an open bottom is arranged inside the cylindrical hollow shell, a No. 1 liquid limiting flow chamber is arranged at the top center of the No. 1 liquid storage chamber, an elastic air bag sheet is embedded in the bottom open end of the No. 1 liquid storage chamber of the cylindrical hollow shell, a liquid compensation channel connecting the external space and the No. 1 liquid limiting flow chamber and having a valve installed inside is arranged on the outer circumferential surface of the cylindrical hollow shell, a No. 1 liquid transfer hole connecting the external space and the No. 1 liquid limiting flow chamber is arranged on the outer circumferential surface of the cylindrical hollow shell, The cylindrical hollow shell is provided with a longitudinal component active cavity on one side of the No. 1 liquid storage cavity, and the cylindrical hollow shell is provided with a No. 2 liquid limiting flow cavity at the bottom end of the longitudinal component active cavity, and the bottom end of the No. 2 liquid limiting flow cavity is provided with a rod body through hole connected to the external space, and the interior of the cylindrical hollow shell is provided with a No. 2 liquid transfer hole connecting the No. 1 liquid limiting flow cavity and the No. 2 liquid limiting flow cavity, and the cylindrical hollow shell is provided with a piston body capable of axially moving along the longitudinal component active cavity inside the longitudinal component active cavity, and the bottom end of the piston body is fixedly installed with a longitudinal telescopic rod penetrating the rod body through hole, and the bottom end of the longitudinal telescopic rod is fixedly connected to the upper surface of another strip-shaped embedded plate.

[0008] Preferably, the outer circumferential surface of the elastic airbag sheet is embedded in the cylindrical hollow shell in an edge-sealed manner, and the elastic airbag sheet is made of a rubber material with elastic deformation capability.

[0009] Preferably, the structural radius of the rod body perforation matches the structural radius of the longitudinal telescopic rod, the structural radius of the rod body perforation is smaller than the structural radius of the No. 2 liquid limiting flow chamber, the structural radius of the No. 2 liquid limiting flow chamber is smaller than the structural radius of the longitudinal component active chamber, and the longitudinal telescopic rod is provided with a sealing ring on the rod body located on the inner wall of the rod body perforation to prevent gas leakage.

[0010] Preferably, the combined hook mechanism includes a fixed base plate and an annular clamping block, one side of the fixed base plate is provided with an arc-shaped mounting groove for fixedly mounting on the outside of the circumferential surface of the cylindrical hollow outer shell, one side of the upper surface of the fixed base plate is provided with an upwardly bulging semi-cylindrical protrusion structure, the annular clamping block can be clamped on the upper structural surface of the semi-cylindrical protrusion structure, the bottom of the annular clamping block is provided with a longitudinal connecting plate with an integral structure therewith, the bottom of the longitudinal connecting plate is fixedly installed with a bottom fixing plate, and the bottom of the bottom fixing plate is fixedly connected to the upper surface of one of the strip-shaped embedded plates.

[0011] Preferably, the inner concave surface of the annular clamping block and the outer convex surface of the semi-cylindrical protruding structure have the same structural shape, and both are semi-cylindrical structures.

[0012] Preferably, it also includes an adjustable clamping force control mechanism, which is internally provided with a transverse hollow body which is fixedly installed at one end of the No. 1 liquid transfer hole and is hollow inside, a resistance plate which is located inside the transverse hollow body and can move laterally, a coil spring which exerts elastic pressure on the resistance plate toward the direction of the No. 1 liquid transfer hole, and a movable limit plate which can change the elastic strength of the coil spring.

[0013] Preferably, the adjustable clamping force control mechanism includes a transverse hollow body, a transverse component active cavity is arranged inside the transverse hollow body, a docking pipe structure which is an integral structure with the transverse hollow body and is fixedly connected to one end of the No. 1 liquid transfer hole is arranged inside the docking pipe structure, a No. 1 liquid flow hole which connects the No. 1 liquid transfer hole and one end of the transverse component active cavity is arranged inside the docking pipe structure, an internal threaded hole which connects the external space and the other end of the transverse component active cavity is arranged at the other end of the transverse hollow body, a resistance plate which can move axially along the transverse component active cavity is arranged on the transverse hollow body inside the transverse component active cavity, a plurality of liquid flow grooves with an inwardly concave structure and used for liquid flow are arranged on the edge of the resistance plate, and the resistance plate faces the No. 1 liquid transfer hole and the other end of the transverse component active cavity. The end face of the No. 1 liquid flow hole is provided with an annular embedding groove with an inwardly concave structure, and the contact plate is embedded with an annular sealing ring inside the annular embedding groove, and a coil spring in a compressed state is placed on the other end face of the contact plate, and a movable limit plate capable of axially moving along the active cavity of the transverse component is placed on one end of the coil spring, and a rotatable central connecting shaft is installed at the end of the movable limit plate facing the internal threaded hole through a bearing, and an external threaded rod passing through the internal threaded hole is fixedly installed at one end of the central connecting shaft, and the portion where the external threaded rod passes through the internal threaded hole is connected by a threaded structure, and a rotating cap is fixedly installed at one end of the external threaded rod located outside the transverse hollow body, and a No. 2 liquid flow hole connecting the external space and the active cavity of the transverse component is provided on the circumferential surface of the transverse hollow body.

[0014] Preferably, the thickness of the annular sealing ring is greater than the depth of the annular embedded groove, and the structural radius of the inner ring of the annular sealing ring is greater than the structural radius of the No. 1 liquid flow hole, and the structural radius of the outer ring of the annular sealing ring is smaller than the distance between the liquid flow groove and the axial centerline of the contact plate.

[0015] Preferably, the thread structure includes an internal thread structure arranged in the internal thread hole and an external thread structure arranged on the rod body of the external thread rod, and the internal thread structure and the external thread structure match each other.

[0016] Compared with the prior art, the present invention provides a hoisting device for installation and construction of building steel structures, which has the following beneficial effects: Liquid pressure is used to enable the bandage to clamp the steel structure in a large-area wrapping manner, and then the elastic airbag sheet is expanded after being subjected to force to wrap and clamp the upper structure of the steel structure. The clamping force of the elastic airbag sheet and the bandage on the steel structure comes from the same liquid pressure. Therefore, it has an isobaric clamping effect, which makes the pressure wrapped around the steel structure more uniform, thereby improving the clamping stability and protection effect of the steel structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A perspective view of the present invention; Figure 2 is a three-dimensional cross-sectional view of the present invention; Figure 3 It is a three-dimensional diagram of the hydraulic drive mechanism of the present invention; Figure 4 It is a three-dimensional cross-sectional view of the hydraulic drive mechanism of the present invention at a first viewing angle; Figure 5 is a three-dimensional cross-sectional view of the hydraulic drive mechanism of the present invention at a second viewing angle; Figure 6 It is a three-dimensional diagram of the combined hook mechanism of the present invention; Figure 7 A three-dimensional diagram of the adjustable clamping force control mechanism of the present invention; Figure 8 It is a three-dimensional cross-sectional view of the adjustable clamping force control mechanism of the present invention.

[0018] Among them: 1. hook body; 2. hook hole; 3. bandage; 4. strip embedded plate; 5. hydraulic drive mechanism; 51. cylindrical hollow shell; 52. No. 1 liquid storage chamber; 53. elastic airbag sheet; 54. No. 1 liquid limiting flow chamber; 55. liquid compensation channel; 56. No. 1 liquid transfer hole; 57. longitudinal component activity chamber; 58. No. 2 liquid limiting flow chamber; 59. rod body perforation; 510. piston body; 511. longitudinal telescopic rod; 512. No. 2 liquid transfer hole; 6. combined hook mechanism; 61. fixed base plate; 62. arc-shaped installation groove; 63. Semi-cylindrical protrusion structure; 64. Annular clamping block; 65. Longitudinal connecting plate; 66. Bottom fixing plate; 7. Adjustable clamping force control mechanism; 71. Transverse hollow body; 72. Transverse component movable cavity; 73. Docking pipe structure; 74. No. 1 liquid flow hole; 75. Internal threaded hole; 76. Resistance plate; 77. Annular embedding groove; 78. Annular sealing ring; 79. Liquid flow groove; 710. Movable limit plate; 711. Coil spring; 712. Center connecting shaft; 713. External threaded rod; 714. Rotating cap; 715. No. 2 liquid flow hole. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1 and Figure 2A lifting device for the installation and construction of building steel structures includes a hook body 1 with a hook hole 2 inside and a bandage 3 with strip embedded plates 4 fixedly installed at both ends. When working, the building hook needs to be hung in the hook hole 2, and then the bandage 3 is passed through the bottom of the steel structure so that the bandage 3 can be wrapped around the surface of the bottom area of ​​the steel structure.

[0021] For hydraulic clamping capabilities using fluid pressure, see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , it is necessary to set up a hydraulic drive mechanism 5, which is provided with a cylindrical hollow shell 51 fixedly installed at the bottom of the hook body 1 and in a hollow state, an elastic airbag sheet 53 placed at the bottom open end of the cylindrical hollow shell 51 and expanding downward after being subjected to liquid pressure, a piston body 510 placed inside the cylindrical hollow shell 51 and moving upward after being subjected to liquid pressure, and a longitudinal telescopic rod 511 that can move longitudinally with the piston body 510, and is used in conjunction with an instrument that can provide liquid pressure, the hydraulic instrument is connected to the liquid compensation channel 55, and the hydraulic instrument is started. The liquid enters the No. 1 liquid storage chamber 52. Under the action of the liquid pressure, the elastic airbag sheet 53 is deformed and expanded downward, and wrapped around the upper surface structure of the steel structure. Under the joint action of the liquid pressure, the piston body 510 moves upward, thereby driving one of the strip embedded plates 4 to move upward, so that the bandage 3 forms a wrapping clamp on the bottom area of ​​the steel structure, so that the steel structure can achieve a wrapping clamping effect close to the entire circumference.

[0022] For the specific structure of the hydraulic drive mechanism 5, please refer to Figure 3 , Figure 4 and Figure 5, comprising a cylindrical hollow shell 51, the top of which is fixedly mounted on the bottom of the hook body 1, the inside of which is provided with a No. 1 liquid storage chamber 52 with an open bottom, the cylindrical hollow shell 51 is provided with a No. 1 liquid limiting flow chamber 54 at the top center of the No. 1 liquid storage chamber 52, the cylindrical hollow shell 51 is embedded with an elastic airbag sheet 53 at the bottom open end of the No. 1 liquid storage chamber 52, the outer circumferential surface of the cylindrical hollow shell 51 is provided with a connecting space between the external space and the No. 1 liquid The cylindrical hollow shell 51 has a limiting flow cavity 54 and a liquid compensation channel 55 with a valve installed inside. The outer circumferential surface of the cylindrical hollow shell 51 is provided with a No. 1 liquid transfer hole 56 connecting the external space and the No. 1 liquid limiting flow cavity 54. The cylindrical hollow shell 51 is provided with a longitudinal component active cavity 57 on one side of the No. 1 liquid storage cavity 52. ​​The cylindrical hollow shell 51 is provided with a No. 2 liquid limiting flow cavity 58 at the bottom end of the longitudinal component active cavity 57. The bottom end of the No. 2 liquid limiting flow cavity 58 is provided with a rod body through hole 59 connecting the external space. The interior of the cylindrical hollow shell 51 is provided with a No. 2 liquid transfer hole 512 which connects the No. 1 liquid limiting flow chamber 54 and the No. 2 liquid limiting flow chamber 58. The cylindrical hollow shell 51 is provided with a piston body 510 which can move axially along the longitudinal component movable chamber 57 inside the longitudinal component movable chamber 57. The bottom end of the piston body 510 is fixedly installed with a longitudinal telescopic rod 511 which passes through the rod body through hole 59. The bottom end of the longitudinal telescopic rod 511 is fixedly connected to the upper surface of another strip-shaped embedded plate 4. The outer circumferential surface of the elastic airbag sheet 53 The area is embedded in the interior of the cylindrical hollow shell 51 in an edge-sealed manner, and the elastic airbag sheet 53 is made of a rubber material with elastic deformation ability. The structural radius of the rod body through hole 59 matches the structural radius of the longitudinal telescopic rod 511, and the structural radius of the rod body through hole 59 is smaller than the structural radius of the No. 2 liquid limiting flow cavity 58. The structural radius of the No. 2 liquid limiting flow cavity 58 is smaller than the structural radius of the longitudinal component active cavity 57, and the longitudinal telescopic rod 511 is provided with a sealing ring on the rod body located on the inner wall of the rod body through hole 59 to prevent gas leakage.

[0023] For a quick way to work, see Figure 1 , Figure 2 and Figure 6 It is necessary to set up a combined hook mechanism 6, which is internally provided with a semi-cylindrical protrusion structure 63 fixedly installed on one side of the cylindrical hollow shell 51 and an annular clamping block 64 that can be clamped on the semi-cylindrical protrusion structure 63 to form a combined structure. When working, the annular clamping block 64 is clamped on the structural surface interface above the semi-cylindrical protrusion structure 63, thereby realizing a quick working method.

[0024] For the specific structure of the combined hook mechanism 6, please refer to Figure 6 , including a fixed base plate 61 and an annular clamping block 64, one side of the fixed base plate 61 is provided with an arc-shaped mounting groove 62 for fixedly mounting on the outside of the circumferential surface of the cylindrical hollow shell 51, one side of the upper surface of the fixed base plate 61 is provided with a semi-cylindrical protrusion structure 63 bulging upward, the annular clamping block 64 can be clamped on the upper structural surface of the semi-cylindrical protrusion structure 63, the bottom of the annular clamping block 64 is provided with a longitudinal connecting plate 65 with an integral structure therewith, the bottom of the longitudinal connecting plate 65 is fixedly installed with a bottom fixing plate 66, the bottom of the bottom fixing plate 66 is fixedly connected to the upper surface of one of the strip-shaped embedded plates 4, the inner concave surface of the annular clamping block 64 is consistent with the outer convex surface structure of the semi-cylindrical protrusion structure 63, and both are semi-cylindrical structures.

[0025] To provide moderate hydraulic clamping force, refer to Figure 1 , Figure 2 , Figure 7 and Figure 8 , it is necessary to set up an adjustable clamping force control mechanism 7, which is provided with a transverse hollow body 71 fixedly installed at one end of the No. 1 liquid transfer hole 56 and having a hollow interior, a contact plate 76 located inside the transverse hollow body 71 and capable of moving laterally, a coil spring 711 exerting elastic pressure on the contact plate 76 toward the No. 1 liquid transfer hole 56, and a movable limit plate 710 capable of changing the elastic strength of the coil spring 711. According to the maximum deformation compressive strength of the steel structure, the rotating cap 714 is rotated, and the movable limit plate 710 will move in a directional manner, thereby exerting pressure on the coil spring 711, so that the coil spring 711 The elastic strength of the coil spring 711 changes, and the coil spring 711 will generate an elastic force on the contact plate 76. The elastic force is the maximum impact strength Fmax of the equipment. During operation, the liquid pressure will form a force Fhydraulic on the contact plate 76. When Fhydraulic is greater than Fmax, the contact plate 76 will move. At this time, excess liquid will be discharged outward along the gap, the liquid flow groove 79 and the No. 2 liquid flow hole 715, thereby reducing the negative impact caused by excessive impact force, thereby realizing the control and adjustment function of the maximum stamping strength and providing a moderate hydraulic clamping force.

[0026] For the specific structure of the adjustable clamping force control mechanism 7, please refer to Figure 7 and Figure 8, comprising a transverse hollow body 71, wherein a transverse component active cavity 72 is arranged inside the transverse hollow body 71, wherein a docking pipe structure 73 which is integrally formed with the transverse hollow body 71 and fixedly connected to one end of the No. 1 liquid transfer hole 56 is arranged at one end of the transverse hollow body 71, wherein a No. 1 liquid flow hole 74 which communicates with the No. 1 liquid transfer hole 56 and one end of the transverse component active cavity 72 is arranged inside the docking pipe structure 73, wherein an internal threaded hole 75 which communicates with the external space and the other end of the transverse component active cavity 72 is arranged at the other end of the transverse hollow body 71, wherein the transverse hollow body 71 is located at A resistance plate 76 capable of axially moving along the transverse component movable cavity 72 is placed inside the transverse component movable cavity 72, and a plurality of liquid flow grooves 79 with concave structures for liquid flow are arranged at the edge of the resistance plate 76. The resistance plate 76 is provided with a concave annular embedding groove 77 on the end face facing the first liquid flow hole 74, and an annular sealing ring 78 is embedded in the annular embedding groove 77 of the resistance plate 76. A helical spring 711 in a compressed state is placed on the other end face of the resistance plate 76, and one end of the helical spring 711 is placed. A movable limiting plate 710 capable of axial movement along the movable cavity 72 of the transverse member, the movable limiting plate 710 is provided with a rotatable central connecting shaft 712 through a bearing at one end facing the internal threaded hole 75, an external threaded rod 713 penetrating the internal threaded hole 75 is fixedly installed at one end of the central connecting shaft 712, and the portion where the external threaded rod 713 penetrates the internal threaded hole 75 is connected by a threaded structure, a rotating cap 714 is fixedly installed at one end of the external threaded rod 713 located outside the transverse hollow body 71, and a circumferential surface of the transverse hollow body 71 is provided with a connecting cap 714 for connecting the external threaded rod 713 to the internal threaded hole 75. The second liquid flow hole 715 of the boundary space and the active cavity 72 of the horizontal component, the thickness of the annular sealing ring 78 is greater than the depth of the annular embedding groove 77, and the structural radius of the inner ring of the annular sealing ring 78 is greater than the structural radius of the No. 1 liquid flow hole 74, the structural radius of the outer ring of the annular sealing ring 78 is smaller than the distance between the liquid flow groove 79 and the axial center line of the contact plate 76, the threaded structure includes an internal threaded structure arranged in the internal threaded hole 75 and an external threaded structure arranged on the rod body of the external threaded rod 713, and the internal threaded structure and the external threaded structure match each other.

[0027] When in use, it is necessary to hang the construction hook in the hook hole 2, and then pass the bandage 3 through the bottom of the steel structure so that the bandage 3 can wrap the surface of the bottom area of ​​the steel structure, and clamp the annular block 64 in the interface of the structural surface above the semi-cylindrical protrusion structure 63, and use it in conjunction with an instrument that can provide liquid pressure, dock the hydraulic instrument with the liquid compensation channel 55, start the hydraulic instrument, and the liquid enters the No. 1 liquid storage chamber 52. Under the action of the liquid pressure, the elastic airbag sheet 53 deforms and expands downward, wrapping the upper surface structure of the steel structure, and under the joint action of the liquid pressure, the piston body 510 moves upward, thereby driving one of the strip embedded plates 4 to move upward, so that the bandage 3 forms a wrapping clamp on the bottom area of ​​the steel structure, and when it is observed that the liquid is discharged outward through the No. 2 liquid flow hole 715, the hydraulic injection can be stopped to carry out the lifting work.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lifting device for installation and construction of building steel structures, comprising a hook body (1) provided with a hook hole (2) inside and a bandage (3) with strip-shaped embedded plates (4) fixedly mounted at both ends, characterized in that: Also includes, A hydraulic drive mechanism (5) is provided with a hollow cylindrical outer shell (51) fixedly mounted on the bottom of the hook body (1), an elastic airbag sheet (53) disposed at the bottom open end of the cylindrical hollow outer shell (51) and expanding downward when subjected to liquid pressure, a piston body (510) disposed inside the cylindrical hollow outer shell (51) and moving upward when subjected to liquid pressure, and a longitudinal telescopic rod (511) capable of longitudinally moving with the piston body (510); And a combined hook mechanism (6), which is provided with a semi-cylindrical protruding structure (63) fixedly mounted on one side of the columnar hollow shell (51) and an annular clamping block (64) that can be clamped on the semi-cylindrical protruding structure (63) to form a combined structure.

2. A hoisting device for installation and construction of building steel structures according to claim 1, characterized in that: The hydraulic drive mechanism (5) comprises a cylindrical hollow shell (51), the top of which is fixedly mounted on the bottom of the hook body (1), a first liquid storage chamber (52) with an open bottom is arranged inside the cylindrical hollow shell (51), a first liquid limiting flow chamber (54) is arranged at the top center of the first liquid storage chamber (52) of the cylindrical hollow shell (51), an elastic air bag sheet (53) is embedded in the bottom open end of the first liquid storage chamber (52) of the cylindrical hollow shell (51), a liquid compensation channel (55) connecting the external space and the first liquid limiting flow chamber (54) and having a valve installed inside is arranged on the outer circumferential surface of the cylindrical hollow shell (51), a first liquid transfer hole (56) connecting the external space and the first liquid limiting flow chamber (54) is arranged on the outer circumferential surface of the cylindrical hollow shell (51), and the cylindrical hollow shell (51) has a plurality of liquid transfer holes (56) connecting the external space and the first liquid limiting flow chamber (54). A longitudinal component movable chamber (57) is provided at one side of the first liquid storage chamber (52); a second liquid limiting flow chamber (58) is provided at the bottom end of the columnar hollow shell (51) located at the longitudinal component movable chamber (57); a rod body through hole (59) communicating with the external space is provided at the bottom end of the second liquid limiting flow chamber (58); a second liquid transfer hole (512) communicating with the first liquid limiting flow chamber (54) and the second liquid limiting flow chamber (58) is provided inside the columnar hollow shell (51); a piston body (510) capable of axial movement along the longitudinal component movable chamber (57) is arranged inside the columnar hollow shell (51) located at the longitudinal component movable chamber (57); a longitudinal telescopic rod (511) penetrating the rod body through hole (59) is fixedly mounted at the bottom end of the piston body (510); and the bottom end of the longitudinal telescopic rod (511) is fixedly connected to the upper surface of another strip-shaped embedded plate (4).

3. A hoisting device for installation and construction of building steel structures according to claim 2, characterized in that: The outer circumferential surface of the elastic airbag sheet (53) is embedded in the interior of the cylindrical hollow housing (51) in an edge-sealed manner, and the elastic airbag sheet (53) is made of a rubber material with elastic deformation capability.

4. A hoisting device for installation and construction of building steel structures according to claim 3, characterized in that: The structural radius of the rod body through hole (59) matches the structural radius of the longitudinal telescopic rod (511), the structural radius of the rod body through hole (59) is smaller than the structural radius of the second liquid limiting flow chamber (58), the structural radius of the second liquid limiting flow chamber (58) is smaller than the structural radius of the longitudinal component active chamber (57), and the longitudinal telescopic rod (511) is provided with a sealing ring on the rod body located on the inner wall of the rod body through hole (59) to prevent gas leakage.

5. A hoisting device for installation and construction of building steel structures according to claim 4, characterized in that: The combined hook mechanism (6) comprises a fixed base plate (61) and an annular clamping block (64); one side of the fixed base plate (61) is provided with an arc-shaped mounting groove (62) for fixedly mounting on the outside of the circumferential surface of the cylindrical hollow shell (51); one side of the upper surface of the fixed base plate (61) is provided with a semi-cylindrical protrusion structure (63) that bulges upward; the annular clamping block (64) can be clamped on the upper structural surface of the semi-cylindrical protrusion structure (63); the bottom of the annular clamping block (64) is provided with a longitudinal connecting plate (65) of an integral structure therewith; the bottom of the longitudinal connecting plate (65) is fixedly mounted with a bottom fixing plate (66); the bottom of the bottom fixing plate (66) is fixedly connected to the upper surface of one of the strip-shaped embedded plates (4).

6. A hoisting device for installation and construction of building steel structures according to claim 5, characterized in that: The inner concave surface of the annular clamping block (64) and the outer convex surface of the semi-cylindrical protruding structure (63) have the same structural appearance, and both are semi-cylindrical structures.

7. A hoisting device for installation and construction of building steel structures according to claim 6, characterized in that: The invention also comprises an adjustable clamping force control mechanism (7), wherein a transverse hollow body (71) is arranged inside the transverse hollow body (71) which is fixedly mounted at one end of the first liquid transfer hole (56) and is hollow inside, a resistance plate (76) which is located inside the transverse hollow body (71) and is capable of moving laterally, a coil spring (711) which exerts elastic pressure on the resistance plate (76) in the direction of the first liquid transfer hole (56), and a movable limit plate (710) which is capable of changing the elastic strength of the coil spring (711).

8. A hoisting device for installation and construction of building steel structures according to claim 7, characterized in that: The adjustable clamping force control mechanism (7) comprises a transverse hollow body (71), a transverse component active cavity (72) is arranged inside the transverse hollow body (71), a docking pipe structure (73) which is an integral structure with the transverse hollow body (71) and is fixedly connected to one end of the first liquid transfer hole (56) is arranged at one end of the transverse hollow body (71), a first liquid flow hole (74) which is connected to the first liquid transfer hole (56) and one end of the transverse component active cavity (72) is arranged inside the docking pipe structure (73), and the transverse hollow body (71) is provided with a second liquid flow hole (74) which is connected to the first liquid transfer hole (56) and one end of the transverse component active cavity (72). An internal threaded hole (75) is provided at the other end of the hollow body (71) for communicating with the outside space and the other end of the transverse component active cavity (72); a resisting plate (76) capable of axial movement along the transverse component active cavity (72) is arranged inside the transverse component active cavity (72) of the transverse hollow body (71); a plurality of liquid flow grooves (79) having an inner concave structure and used for liquid flow are provided at the edge of the resisting plate (76); and a plurality of liquid flow grooves (79) having an inner concave structure and used for liquid flow are provided at the end surface of the resisting plate (76) facing the first liquid flow hole (74). An annular embedding groove (77) with an inner concave structure is provided, the abutment plate (76) has an annular sealing ring (78) embedded in the annular embedding groove (77), a helical spring (711) in a compressed state is placed on the other end surface of the abutment plate (76), a movable limiting plate (710) capable of axial movement along the active cavity (72) of the transverse component is placed on one end of the helical spring (711), and a central connecting member (710) capable of rotating is installed on the end of the movable limiting plate (710) facing the inner threaded hole (75) through a bearing. A connecting shaft (712), one end of the central connecting shaft (712) is fixedly mounted with an externally threaded rod (713) that passes through the internally threaded hole (75), and the portion of the externally threaded rod (713) that passes through the internally threaded hole (75) is connected via a threaded structure, a rotating cap (714) is fixedly mounted on one end of the externally threaded rod (713) located outside the transverse hollow body (71), and a second liquid flow hole (715) that communicates with the external space and the transverse component active cavity (72) is provided on the circumferential surface of the transverse hollow body (71).

9. A hoisting device for installation and construction of building steel structures according to claim 8, characterized in that: The thickness of the annular sealing ring (78) is greater than the depth of the annular embedding groove (77), and the structural radius of the inner ring of the annular sealing ring (78) is greater than the structural radius of the No. 1 liquid flow hole (74), and the structural radius of the outer ring of the annular sealing ring (78) is smaller than the distance between the liquid flow groove (79) and the axial center line of the contact plate (76).

10. A hoisting device for installation of building steel structure according to claim 9, characterized in that: The thread structure comprises an internal thread structure arranged in the internal thread hole (75) and an external thread structure arranged on the rod body of the external thread rod (713), and the internal thread structure and the external thread structure match each other.

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