CN212863801U - Hoisting accessory of hollow case component of concrete is exclusively used in - Google Patents

Abstract

The utility model discloses a hoisting accessory of hollow case component of concrete is exclusively used in includes: the steel rope fixing assemblies are positioned on two sides of the bottom of the adjusting fixing frame; the adjusting fixing frame comprises a top frame and moving frames symmetrically arranged on two sides of the bottom of the top frame, and the moving frames can slide left and right along the top frame; the steel rope fixing component comprises: slide and set up remove the mounting box at frame both ends steel cable reel mechanism, the winding that can contract automatically that set up in the mounting box steel cable reel mechanism last steel cable and with steel cable connection's fixed plate, the steel cable pass through the connecting piece with the fixed plate is connected, the connecting piece slides and sets up on the fixed plate, the top frame top is provided with rings, the utility model discloses firmly press from both sides the hollow box component tightly at the fixed plate with remove between the frame to can be suitable for the fixed work of lifting by crane with the not small-size component, increase the stability of device, improve factor of safety.

Description

Hoisting accessory of hollow case component of concrete is exclusively used in

Technical Field

The utility model relates to a lifting device field, concretely relates to hoisting accessory of hollow case component of concrete is exclusively used in.

Background

The hollow floor system technology is an important innovation in the field of building structures in China, provides technical support for the modernization of buildings in the 21 st century, is a structural system which has superior performance price, better accords with human-based high technical level, and has great social and economic values. It has the following advantages: the building material is saved, the building material is particularly suitable for large-span and large-space buildings and bidirectional grid cast-in-place rib force transmission systems, the self weight of the floor is reduced, the use function is excellent, the flexibility and the humanization of the space are realized, the floor is flat in the true sense, no suspended ceiling is needed, the sound insulation effect is excellent, the building energy saving effect is good, the construction is convenient, the pipeline is convenient to arrange, the heat insulation effect is realized, the construction period is shortened, and the cost is reduced. Therefore, the technology of the hollow floor is applied more and more widely.

The assembled box concrete hollow floor structure is a new type of dense rib beam floor structure, the floor is formed by combining small prefabricated components, namely concrete assembled hollow box, with cast-in-place concrete box beam to form an integral structure with continuous box section, and the box body and the box rib beam are stressed together.

Concrete assembled hollow case generally need carry the hollow case component through hoist and mount when the construction, because the big or small model of current concrete assembled hollow case is different to there is exposed reinforcing bar on some components, so current hoist and mount construction step is: manually placing the short steel pipe at the bottom of the plate, enabling the steel pipe to be 100mm away from the outer edge of the plate, sleeving the steel pipe by using a lifting ring, vertically lifting, and starting lifting work; however, the hoisting method does not have a good fixing effect on the component, and during the hoisting process, the component shakes or collides with a foreign object, so that the risk of falling is high, and great potential safety hazards exist.

Disclosure of Invention

An object of the utility model is to provide a hoisting accessory of concrete hollow box component is exclusively used in solves and does not carry out fine fixing to the hollow box component in the current hoist and mount work progress, and component self rocks or bumps the risk that probably takes place to drop with the foreign object, has the problem of great potential safety hazard.

In order to realize the purpose, the utility model discloses a technical scheme be:

a hoisting device special for a concrete hollow box member comprises: the steel rope fixing assemblies are positioned on two sides of the bottom of the adjusting fixing frame; the adjusting fixing frame comprises a top frame and moving frames symmetrically arranged on two sides of the bottom of the top frame, and the moving frames can slide left and right along the top frame; the steel rope fixing component comprises: the steel cable winding mechanism comprises mounting boxes arranged at two ends of the movable frame in a sliding mode, a steel cable winding drum mechanism capable of automatically contracting, a steel cable wound on the steel cable winding drum mechanism, and a fixing plate connected with the steel cable, wherein the steel cable is connected with the fixing plate through a connecting piece, the connecting piece is arranged on the fixing plate in a sliding mode, and a hanging ring is arranged at the top end of the top frame.

Preferably, the rope reel mechanism comprises: the steel rope winding device comprises a fixing shaft fixedly connected in the mounting box, a steel rope winding drum rotatably arranged on the fixing shaft, and a coil spring arranged between the fixing shaft and the steel rope winding drum, wherein a through hole is formed in the steel rope winding drum, a steel rope penetrates through the through hole and is fixed on a steel rope fixing clamp on the inner wall of the steel rope winding drum, one end of the coil spring is embedded and fixed in the fixing shaft, and the other end of the coil spring is fixed on the inner wall of the steel rope winding drum.

Preferably, the outer side of the steel rope reel is of a V-shaped groove-shaped structure.

Preferably, the moving frame moves on the top frame by a first adjusting mechanism, and the first adjusting mechanism includes: the worm gear mechanism comprises a first screw rod, a first worm wheel, a first worm and a first moving block, wherein the first screw rod is rotatably arranged in a top frame, the first worm wheel is fixed in the middle of the first screw rod, the first worm is meshed with the first worm wheel, the first moving block is fixed at two ends of a moving frame and is in threaded connection with the first screw rod, one end of the first worm is rotatably connected with the top frame, the other end of the first worm penetrates through the top frame and is fixedly connected with a first rotating handle, the first screw rod and the moving frame are vertically arranged, the first worm wheel and the moving frame are arranged in parallel, and the thread directions of two ends of the first screw rod are opposite.

Preferably, the mounting box is moved on the moving frame by a second adjusting mechanism, and the second adjusting mechanism includes: the second screw rod is rotatably arranged in the moving frame, the second worm is fixed to the middle of the second screw rod, the second worm is meshed with the second worm, the second moving block is fixed to the top end of the mounting box and is in threaded connection with the second screw rod, one end of the second worm is rotatably connected with the top frame, the other end of the second worm penetrates through the moving frame, the top frame and the second rotating handle which is fixedly connected with the second worm, the second screw rod and the moving frame are arranged in parallel, the first worm is perpendicular to the moving frame, and the thread directions of the two ends of the second screw rod are opposite.

Preferably, the connecting piece is provided with a hanging ring, the steel rope is provided with a hanging buckle matched with the hanging ring, the top of the fixing plate is provided with a sliding groove, the bottom of the connecting piece is fixedly provided with a sliding block, and the sliding groove is connected with the sliding block in a sliding manner.

Preferably, the top of the connecting piece is open, the connecting piece is hollow, a buffering and damping structure is arranged in the connecting piece, and the steel rope is connected with the buffering and damping structure.

Preferably, the shock absorbing structure includes: the shock absorption device comprises a shock absorption plate arranged in the connecting piece in a sliding mode and a shock absorption spring arranged between the shock absorption plate and the connecting piece.

Preferably, the lower end face of the moving frame and the upper end face of the fixing plate are both provided with rubber anti-slip pads.

Compared with the prior art, the utility model has the advantages of:

1. the utility model can be suitable for the hoisting and fixing work of concrete hollow box members with different lengths, widths and heights by adjusting the spacing between the fixing plates, the spacing between the steel ropes and the length of the steel ropes, and the outer side surface of the hollow box member is extruded and fixed by the steel ropes; the hollow box member can be clamped between the fixed plate and the movable frame through resilience force by arranging the steel rope reel mechanism capable of automatically contracting, so that the stability of the device is improved, and the safety coefficient is improved;

2. the utility model can adjust the length and width spacing by rotating the handle through the first adjusting mechanism and the second adjusting mechanism, so that the length and width spacing is matched with the length and width of the hollow box component, the structure is compact, the design is reasonable, and the practicability is strong;

3. the utility model discloses a set up buffering shock-absorbing structure in the connecting piece, can alleviate vibrations through damping spring, and then guarantee that the hollow box component can not become flexible because of vibrations in the process of lifting by crane to greatly improved hoisting accessory's safety and stability;

4. the utility model discloses a set up the rubber slipmat, increased the frictional force of the contact surface of removing frame and fixed plate and hollow case component, increased the stability of device, also avoided removing the clamp force between frame and the fixed plate too big, lead to the fact the condition of damage to the hollow case component.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a lifting device special for a concrete hollow box member;

FIG. 2 is a front cross-sectional view of a lifting device dedicated to concrete hollow box members;

FIG. 3 is a side cross-sectional view of a lifting device dedicated to concrete hollow box members;

FIG. 4 is a cross-sectional view of a wire drum mechanism of a lifting device dedicated to concrete hollow box members;

FIG. 5 is a schematic structural diagram of a connecting piece of a lifting device special for a concrete hollow box member;

reference numerals: 1-adjusting fixed frame, 2-steel rope fixed component, 3-top frame, 4-moving frame, 5-mounting box, 6-steel rope reel mechanism, 7-steel rope, 8-fixed plate, 9-connecting piece, 10-hanging ring, 11-fixed shaft, 12-steel rope reel, 13-coil spring, 14-through hole, 15-steel rope fixed clamp, 16-first adjusting mechanism, 17-first screw rod, 18-first worm gear, 19-first worm, 20-first moving block, 21-first rotating handle, 22-second adjusting mechanism, 23-second screw rod, 24-second worm gear, 25-second worm gear, 26-second moving block, 27-second rotating handle, 28-hanging ring, 29-hanging buckle, 30-sliding chute, 31-sliding block, 32-buffering and damping structure, 33-damping plate, 34-damping spring and 35-rubber non-slip mat.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention.

Furthermore, the appearances of the terms "first," "second," "third," and the like, if any, are only used to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

The application provides an embodiment of a hoisting accessory special for a concrete hollow box member, please refer to fig. 1 to 3 specifically:

the hoisting accessory who is exclusively used in concrete hollow case component in this embodiment includes: the device comprises an adjusting fixing frame 1 and steel rope fixing components 2 positioned on two sides of the bottom of the adjusting fixing frame 1; the adjusting fixing frame 1 comprises a top frame 3 and moving frames 4 symmetrically arranged on two sides of the bottom of the top frame 3, and the moving frames 4 can slide left and right along the top frame 3; the steel rope fixing component 2 comprises: the steel cable winding mechanism comprises mounting boxes 5 arranged at two ends of a movable frame 4 in a sliding mode, an automatically-retractable steel cable winding drum mechanism 6 arranged in the mounting boxes 5, a steel cable 7 wound on the steel cable winding drum mechanism 6 and a fixing plate 8 connected with the steel cable 7, wherein the steel cable 7 is connected with the fixing plate 8 through a connecting piece 9, the connecting piece 9 is arranged on the fixing plate 8 in a sliding mode, and a hanging ring 10 is arranged at the top end of a top frame 3.

It should be noted that: the distance between the movable frames 4 which are arranged at the two sides of the bottom of the top frame 3 in a sliding manner is adjusted, so that the distance between the steel rope fixing assemblies 2 at the lower ends of different movable frames 4 can be adjusted, and the distance between the two fixed plate 8 supports is further adjusted; the distance between the mounting boxes 5 which are arranged at the two ends of the same movable frame 4 in a sliding manner is adjusted, and further the distance between the steel ropes 7 connected with the same fixed plate 8 is adjusted; the automatically retractable steel rope reel mechanism 6 is pulled by force, and the length of the steel rope 7 can be controlled by the automatically retractable steel rope reel mechanism 6; when no force is applied, the steel rope reel mechanism 6 generates resilience force for automatically retracting the steel rope 7, and the hollow box member can be clamped between the fixed plate 8 and the movable frame 4 through the resilience force; through the adjustment of each interval for this hoisting accessory can be applicable to the hoist and mount fixed work of the hollow case component of concrete of different length width height, and the lateral surface of hollow case component is fixed by 7 extrudees of steel cable, and upper and lower bottom surface is firmly pressed from both sides tightly by fixed plate 8 and removal frame 4, has increased the stability of device, has improved factor of safety, and compact structure, reasonable in design, and the practicality is strong.

The above embodiment of the adjustable lifting device provided in the embodiment of the present application is a first embodiment, and the following embodiment of the lifting device provided in the embodiment of the present application is a second embodiment, specifically referring to fig. 1 to 5:

the hoisting accessory who is exclusively used in concrete hollow case component in this embodiment includes: the device comprises an adjusting fixing frame 1 and steel rope fixing components 2 positioned on two sides of the bottom of the adjusting fixing frame 1; the adjusting fixing frame 1 comprises a top frame 3 and moving frames 4 symmetrically arranged on two sides of the bottom of the top frame 3, and the moving frames 4 can slide left and right along the top frame 3; the steel rope fixing component 2 comprises: the steel cable winding mechanism comprises mounting boxes 5 arranged at two ends of a movable frame 4 in a sliding mode, an automatically-retractable steel cable winding drum mechanism 6 arranged in the mounting boxes 5, a steel cable 7 wound on the steel cable winding drum mechanism 6 and a fixing plate 8 connected with the steel cable 7, wherein the steel cable 7 is connected with the fixing plate 8 through a connecting piece 9, the connecting piece 9 is arranged on the fixing plate 8 in a sliding mode, and a hanging ring 10 is arranged at the top end of a top frame 3.

It can be understood that: in order to ensure the balance stability in the hoisting process, the lower end of the top frame 3 is provided with at least one group of moving frames 4 which are symmetrically arranged, and one group, two groups or a plurality of groups can be arranged according to the actual requirement; two mounting boxes 5 are symmetrically arranged at the bottom end of one movable frame 4, steel ropes 7 in the two mounting boxes 5 penetrate through the mounting boxes 5 to be connected to one fixed plate 8 together, so that the lifting device is provided with at least two movable frames 4, four mounting boxes 5, four steel ropes 7 and two fixed plates 8, the number of the movable frames 4 is changed in actual needs, and the number of the corresponding mounting boxes 5, the corresponding steel ropes 7 and the number of the corresponding fixed plates 8 are changed along with the change of the number of the movable frames 4.

The rings 10 on the top end of the top frame 3 are uniformly distributed on four side frames of the top frame 3, the specific number can be set according to actual requirements, and preferably, the rings 10 are arranged at four corners of the top frame 3 respectively, so that the balance stability of the whole lifting device is improved.

As shown in fig. 2 to 4, the rope reel mechanism 6 includes: the fixed axle 11, the rotation setting in fixed box 5 are in steel cable reel 12 on the fixed axle 11 and setting are in fixed axle 11 with wind spring 13 between the steel cable reel 12, establish a through-hole 14 on the steel cable reel 12, the steel cable 7 passes through-hole 14 is fixed steel cable fixation clamp 15 on the steel cable reel 12 inner wall, wind spring 13 one end embedding is fixed in fixed axle 11, and the other end is fixed on the inner wall of steel cable 7 reel, the steel cable reel 12 outside is V type fluted body.

The working principle of the steel rope winding drum mechanism 6 is as follows: the fixing plate 8 connected with the steel rope 7 is pulled, the steel rope 7 is pulled out from the steel rope reel 12, the steel rope reel 12 connected to the fixing shaft 11 is driven to rotate in a rotating mode, further, force is stored in the coil spring 13 between the fixing shaft 11 and the steel rope reel 12, the pulling force is removed after the fixing plate 8 is pulled to the bottom surface of the hollow box component, under the effect of the resilience force inside the coil spring 13, the steel rope 7 can strain the fixing plate 8, further, upward pulling force is applied to the bottom surface of the hollow box component needing to be lifted, further, the hollow box component is clamped between the fixing plate 8 and the movable frame 4, the hollow box component can be firmly installed in lifting and hoisting, the lifting process is more stable, the component is easy to fall to the ground, and the working efficiency of the lifting equipment is improved.

As shown in fig. 2 and 3, the moving frame 4 moves on the top frame 3 by a first adjusting mechanism 16, and the first adjusting mechanism 16 includes: the first worm wheel is rotatably arranged in the top frame 3, the first worm wheel 18 is fixed in the middle of the first screw wheel 17, the first worm 19 is meshed with the first worm wheel 18, the first moving block 20 is fixed at two ends of the moving frame 4 and is in threaded connection with the first screw wheel 17, one end of the first worm wheel 19 is rotatably connected with the top frame 3, the other end of the first worm wheel penetrates through the top frame 3 and is fixedly connected with a first rotating handle 21, the first screw wheel 17 is perpendicular to the moving frame 4, the first worm wheel 18 is parallel to the moving frame 4, and the thread directions of the two ends of the first screw wheel 17 are opposite.

The working principle of the first adjusting mechanism 16 is as follows: the first rotating handle 21 fixedly connected with the first worm 19 is rotated to drive the first worm 19 to rotate, the first worm wheel 18 meshed with the first worm 19 is driven by the first worm 19 to rotate, and the lead screw fixedly connected with the first worm wheel 18 is driven to rotate, because the thread directions of two ends of the first lead screw 17 are opposite, the first moving block 20 in threaded connection with two sides of the first lead screw 17 can increase or decrease the distance between the first moving block and the first worm wheel under the drive of the first lead screw 17, so that the distance between the two moving frames 4 is adjusted, and finally the distance between the steel rope 7 and the fixing plate 8 connected with the steel rope 7 is adjusted.

As shown in fig. 2 and 3, the mounting box 5 is moved on the moving frame 4 by a second adjusting mechanism 22, and the second adjusting mechanism 22 includes: the second screw 23 is rotatably arranged in the movable frame 4, the second worm 25 is fixed at the middle of the second screw 23, the second worm 24 is meshed with the second worm 24, the second moving block 26 is fixed at the top end of the mounting box 5 and is in threaded connection with the second screw 23, one end of the second worm 25 is rotatably connected with the top frame 3, the other end of the second worm penetrates through the movable frame 4 and the top frame 3 and is fixedly connected with the second rotating handle 27, the second screw 23 is parallel to the movable frame 4, the first worm 18 is perpendicular to the movable frame 4, and the thread directions of the two ends of the second screw 23 are opposite.

The working principle of the second adjusting mechanism 22 is as follows: the second rotating handle 27 is rotated to drive the second worm 25 fixedly connected with the second rotating handle 27 to rotate, and further drive the second worm wheel 24 meshed with the second worm wheel 25 to rotate, and further drive the second lead screw 23 fixedly connected with the second worm wheel 24 to rotate, and because the thread directions of the two sides of the second lead screw 23 are opposite, the rotation of the second lead screw 23 drives the distance between the second moving blocks 26 in threaded connection together, and finally the distance between the steel ropes 7 on the same moving frame 4 is adjusted.

Through first adjustment mechanism 16, second adjustment mechanism 22 and 7 reel mechanisms 6 of steel cable, can adjust the interval between the fixed plate 8 respectively, 7 two liang intervals of steel cable and the length of steel cable 7, make the device can be suitable for the hollow case component with different models size lift by crane fixedly, the lateral surface of hollow case component is fixed by 7 extrudees of steel cable, the bottom surface is firmly pressed from both sides tightly by fixed plate 8 and removal frame 4 from top to bottom, further increase the stability of device, safety factor is improved, and compact structure, therefore, the clothes hanger is reasonable in design, therefore, the clothes hanger is strong in practicability, and convenient for operation.

As shown in fig. 5, a hanging ring 28 is arranged on the connecting member 9, a hanging buckle 29 adapted to the hanging ring 28 is arranged on the steel rope 7, a sliding groove 30 is arranged at the top of the fixing plate 8, a sliding block 31 is fixedly arranged at the bottom of the connecting member 9, and the sliding groove 30 is slidably connected with the sliding block 31.

The hanging ring 28 is fixedly arranged at the top and is fixed by welding, threaded connection and the like according to actual requirements.

The top of the connecting piece 9 is open, the inside is hollow, the inside buffering shock-absorbing structure 32 that is equipped with of connecting piece 9, the steel cable 7 with buffering shock-absorbing structure 32 is connected, buffering shock-absorbing structure 32 includes: a damping plate 33 slidably disposed inside the connecting member 9, and a damping spring 34 disposed inside the damping plate 33 and the connecting member 9.

It can be understood that: in order to increase the stability of the hoisting process, a buffer damping structure 32 is arranged in the connecting piece 9, the hanging buckle 29 is arranged on the damping plate 33, and in the hoisting process, the damping spring 34 in the buffer damping structure 32 can relieve the vibration, so that the hollow box component is not loosened due to the vibration in the hoisting process, and the safety and stability of the hoisting device are greatly improved.

As shown in fig. 1 to 3, rubber anti-slip pads 35 are disposed on both the lower end surface of the movable frame 4 and the upper end surface of the fixed plate 8.

The rubber anti-slip pad 35 has two functions, namely, the rubber anti-slip pad is used for increasing the friction force of the contact surfaces of the movable frame 4 and the fixed plate 8 and the hollow box member, avoiding the situation that the rubber anti-slip pad slides and falls on the fixed frame and increasing the stability of the device; another is to avoid the situation that the clamping force between the movable frame 4 and the fixed plate 8 is too large, and the hollow box component is damaged.

The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims (9)

1. The utility model provides a hoisting accessory of hollow case component of concrete which characterized in that: the method comprises the following steps: the steel rope fixing device comprises an adjusting fixing frame (1) and steel rope fixing assemblies (2) positioned on two sides of the bottom of the adjusting fixing frame (1); the adjusting fixing frame (1) comprises a top frame (3) and moving frames (4) symmetrically arranged on two sides of the bottom of the top frame (3), and the moving frames (4) can slide left and right along the top frame (3); the steel rope fixing component (2) comprises: the slip sets up mounting box (5) at removal frame (4) both ends but the automatic contraction that sets up in mounting box (5) steel cable reel mechanism (6), winding are in steel cable (7) on steel cable reel mechanism (6) and with fixed plate (8) that steel cable (7) are connected, steel cable (7) pass through connecting piece (9) with fixed plate (8) are connected, connecting piece (9) slide to be set up on fixed plate (8), top frame (3) top is provided with rings (10).

2. The hoisting device special for the concrete hollow box member according to claim 1, characterized in that: the rope drum mechanism (6) comprises: fixed connection is in fixed axle (11), rotation in mounting box (5) set up steel cable reel on fixed axle (11) and setting are in fixed axle (11) with wind spring (13) between steel cable reel (12), establish a through-hole (14) on steel cable (7) book, steel cable (7) pass through-hole (14) are fixed steel cable fixation clamp (15) on steel cable reel (12) inner wall, wind spring (13) one end embedding is fixed in fixed axle (11), and the other end is fixed on the inner wall of steel cable reel (12).

3. The hoisting device special for the concrete hollow box member according to claim 2, characterized in that: the outer side of the steel rope winding drum (12) is of a V-shaped groove-shaped structure.

4. The hoisting device special for the concrete hollow box member according to claim 1, characterized in that: the moving frame (4) is moved on the top frame (3) by a first adjusting mechanism (16), the first adjusting mechanism (16) comprising: the worm gear type worm rack is characterized by comprising a first screw rod (17) rotatably arranged in the top frame (3), a first worm wheel (18) fixed in the middle of the first screw rod (17), a first worm (19) meshed with the first worm wheel (18), and a first moving block (20) fixed at two ends of the moving frame (4) and in threaded connection with the first screw rod (17), wherein one end of the first worm (19) is rotatably connected with the top frame (3), one end of the first worm (19) penetrates through the top frame (3) and is fixedly connected with a first rotating handle (21), the first screw rod (17) and the moving frame (4) are perpendicularly arranged, the first worm wheel (18) and the moving frame (4) are arranged in parallel, and the thread directions of two ends of the first screw rod (17) are opposite.

5. The hoisting device special for the concrete hollow box member according to claim 1, characterized in that: the mounting box (5) is moved on the moving frame (4) through a second adjusting mechanism (22), and the second adjusting mechanism (22) comprises: the second screw rod (23) is rotatably arranged in the moving frame (4), a second worm (25) is fixed to the middle of the second screw rod (23), a second worm wheel (24) is meshed with the second worm wheel (24), a second moving block (26) is fixed to the top end of the mounting box (5) and is in threaded connection with the second screw rod (23), one end of the second worm (25) is rotatably connected with the top frame (3), the other end of the second worm (25) penetrates through the moving frame (4), the top frame (3) and a second rotating handle (27) which is fixedly connected with the moving frame (4), the second screw rod (23) and the moving frame (4) are arranged in parallel, the first worm wheel (18) and the moving frame (4) are arranged vertically, and the directions of threads at two ends of the second screw rod (23) are opposite.

6. The hoisting device special for the concrete hollow box member according to claim 1, characterized in that: be equipped with link (28) on connecting piece (9), be equipped with on steel cable (7) hang knot (29) of link (28) looks adaptation, fixed plate (8) top is equipped with spout (30), connecting piece (9) bottom is fixed and is provided with slider (31), spout (30) with slider (31) sliding connection.

7. The hoisting device special for the concrete hollow box member according to claim 6, characterized in that: the connecting piece (9) is open at the top and hollow inside, a buffering and damping structure (32) is arranged inside the connecting piece (9), and the steel rope (7) is connected with the buffering and damping structure (32).

8. The hoisting device special for the concrete hollow box member according to claim 7, characterized in that: the shock-absorbing structure (32) includes: the shock absorption device comprises a shock absorption plate (33) arranged inside the connecting piece (9) in a sliding mode, and a shock absorption spring (34) arranged between the shock absorption plate (33) and the inside of the connecting piece (9).

9. The hoisting device special for the concrete hollow box member according to claim 1, characterized in that: the lower end face of the movable frame (4) and the upper end face of the fixed plate (8) are both provided with rubber anti-slip pads (35).

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