CN112357761A

CN112357761A - Lifting device of anti-falling structure for constructional engineering

Info

Publication number: CN112357761A
Application number: CN202011226007.7A
Authority: CN
Inventors: 顾红军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-02-12

Abstract

The invention discloses a lifting device of an anti-falling structure for construction engineering, which comprises a supporting device and a lifting mechanism, wherein the upper end of the supporting device is provided with the lifting mechanism, when a second driving motor rotates to drive a steel cable to move up and down, a rotating disk drives a rotating head to rotate together, the second driving motor fails to cause the power failure of the second driving motor, a heavy object at the lower end of the steel cable drives the rotating disk to start to rotate rapidly, the rotating disk drives the rotating head to rotate rapidly, when the rotating head rotates rapidly, a self-locking head arranged at the upper end of the rotating head starts to move upwards under the action of centrifugal force, first limiting teeth can be mutually clamped with ratchets, so that the rotating head can stop rotating, two ends of the self-locking head are provided with sliding blocks, when the sliding blocks move upwards in an inner cavity of a sliding chute, the sliding blocks can retract, thereby can the locking from the removal of tapered end, further prevent to lift by crane the thing whereabouts and injure the people by a crashing object.

Description

Lifting device of anti-falling structure for constructional engineering

Technical Field

The invention relates to the technical field of constructional engineering, in particular to a lifting device of an anti-falling structure for constructional engineering.

Background

In the building engineering construction, when some building materials need to be moved, a lifting device needs to be used, the lifting device starts a vertical or vertical and horizontal working stroke after the materials are taken, the materials are unloaded after the materials reach a destination, the empty stroke is carried to the material taking place, a working cycle is completed, and then the materials are lifted or transported for the second time, so that the building materials can be transported and lifted.

However, when the existing building hoisting device is used for hoisting, the steel cable is rotated to lift through the driving motor, so that materials are driven to lift, when some materials break down at the driving motor in the lifting process, the lifted materials can freely fall when losing power, so that certain danger is caused, and when the hoisting device drives the materials to rotate left and right, the hoisting device is not provided with an anti-falling structure and can be dangerous due to the inertia effect.

The problems described above are addressed. Therefore, the hoisting device of the anti-falling structure for the construction engineering is provided.

Disclosure of Invention

The invention aims to provide a lifting device of an anti-falling structure for construction engineering, when a second driving motor rotates to drive a steel cable to move up and down, a rotating disc drives a rotating head to rotate together, the second driving motor fails to cause the power failure of the second driving motor, a heavy object at the lower end of the steel cable drives the rotating disc to start to rotate rapidly, the rotating disc drives the rotating head to rotate rapidly, when the rotating head rotates rapidly, a self-locking head arranged at the upper end of the rotating head starts to move upwards under the action of centrifugal force, the inner cavity of the self-locking head is provided with a balancing weight, so that the gravity of the self-locking head is increased, the centrifugal force effect is better, after the self-locking head moves upwards, a ratchet is clamped with a first limiting tooth, so that the rotating head can stop rotating, the heavy object can be prevented from falling, and the two ends of the self-locking head are, the slider can make the stopper retract, and the stopper retracts the back, can make the stopper card at the lower extreme of slider to can the locking from the removal of tapered end, further prevent to lift by crane the thing whereabouts and injure the people by a crashing object, thereby solved the problem among the above-mentioned background art.

In order to achieve the purpose, the invention provides the following technical scheme: a lifting device of an anti-falling structure for constructional engineering comprises a supporting device and a lifting mechanism, wherein the lifting mechanism is installed at the upper end of the supporting device, the supporting device comprises a base, a supporting rod, a rotating seat, a cross rod and a first driving motor, the supporting rod is installed at the upper end of the base, the rotating seat is installed at the upper end of the supporting rod, the cross rod is installed on one side of the upper end of the rotating seat, the first driving motor is installed on the other side of the upper end of the rotating seat, the cross rod is in an I-shaped structure, and the lifting mechanism is installed at the lower end of;

the lifting mechanism comprises a winding device, a second driving motor, a supporting seat, a moving device, a connecting cover, a steel cable and a lifting hook, wherein the second driving motor is installed on one side of the winding device, the supporting seat is installed at the upper end of the winding device, the moving device is installed at four corners of the upper end of the supporting seat, the connecting cover is installed on the other side of the winding device, the steel cable is installed in an inner cavity of the winding device, and the lifting hook is installed at the lower end of the steel cable.

Further, the coiling mechanism includes recess, first anti-falling subassembly, rotating head, ratchet, from tapered end and rotary disk, and the recess has been seted up to one side inner chamber of coiling mechanism, and a pair of first anti-falling subassembly is installed to the inner chamber bottom surface of recess, and the rotating head is installed to inner chamber one side of recess, and the ratchet is installed to the inner chamber wall of recess, and the tapered end is installed from the upper end of rotating head, and the rotary disk is installed to the opposite side of rotating head.

Further, first subassembly of preventing falling includes spacing groove, roller, shelves pole and latch, and the spacing groove has been seted up in the front of first subassembly of preventing falling, and the roller is installed to the inner chamber of spacing groove, and the shelves pole is installed to first inner chamber upper end one side of preventing falling the subassembly, and the latch is installed to upper end one side of shelves pole, and the spacing groove is slope column structure.

Further, the roller includes carousel, first spring and retaining ring, and the surface mounting of roller has the carousel, and first spring is installed to the inner chamber of carousel, and the retaining ring is installed to the one end of first spring, and the surface mounting of retaining ring has the retaining ring, and the edge of retaining ring is the slope column structure.

Further, the rotating head includes spout and fixed subassembly, and the spout has been seted up to the inner chamber lateral wall of rotating head, and fixed subassembly is installed to the front edge of rotating head, and the one end of fixed subassembly runs through spout inner chamber lateral wall.

Further, fixed subassembly includes bolt, connector, flexible head, stopper and second spring, and the connector is installed to the one end of bolt, and the connector is T shape structure, and flexible head is installed to the one end of connector, and the stopper is installed to the one end of flexible head, and the second spring is installed to the inner chamber of flexible head, and one side and the second spring coupling of stopper, and the connector is right angle trapezoidal form structure.

Further, the auto-lock head includes first spacing tooth, balancing weight, slider, telescopic link and third spring, and first spacing tooth is installed to the upper end of auto-lock head, and the balancing weight is installed to the inner chamber upper end of auto-lock head, and the slider is installed at the both ends of auto-lock head, and the telescopic link is installed to the lower extreme of auto-lock head, and the surface mounting of telescopic link has the third spring.

Furthermore, a second limiting tooth is arranged on the outer surface of the rotating disk, and the direction of the second limiting tooth is the same as that of the first limiting tooth.

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

1. the invention provides a hoisting device of an anti-falling structure for construction engineering, when a second driving motor rotates to drive a steel cable to move up and down, a rotating disc drives a rotating head to rotate together, the second driving motor fails to cause the power failure of the second driving motor, a weight at the lower end of the steel cable drives the rotating disc to start to rotate rapidly, the rotating disc drives the rotating head to rotate rapidly, when the rotating head rotates rapidly, a self-locking head arranged at the upper end of the rotating head starts to move upwards under the action of centrifugal force, the gravity of the self-locking head is increased due to the fact that a balancing weight is arranged in an inner cavity of the self-locking head, the centrifugal force effect is better, after the self-locking head moves upwards, a first limiting tooth can be clamped with a ratchet, and therefore the rotation can be stopped, the heavy object can be prevented from falling, and sliding blocks are arranged at two ends of the, the slider can make the stopper retract, and the stopper retracts the back, can make the stopper card at the lower extreme of slider to can lock the removal of tapered end, further prevent to lift by crane the thing whereabouts and injure the people by a crashing object.

2. When a first driving motor drives a cross rod to rotate left and right, a pair of first anti-falling assemblies are installed on the bottom surface of an inner cavity of a groove, when the cross rod rotates left, a rotary disc and a roller shaft can move along a limiting groove through centrifugal force, the limiting groove is of an inclined structure, when the rotary disc moves, one end of a blocking rod can be upwards tilted, after one end of the blocking rod is upwards tilted, a clamping tooth installed on one side of the upper end of the blocking rod can clamp a second limiting tooth, and therefore the rotary disc can be prevented from rotating anticlockwise, materials at the lower end of a steel cable can be prevented from falling down when the rotary disc rotates right, the rotary disc and the roller shaft on the other side do the same action, and therefore the cross rod can achieve the effect of preventing the materials from falling when the cross rod rotates left and right.

3. According to the lifting device of the anti-falling structure for the building engineering, when the lifting mechanism moves forwards at the lower end of the cross rod and moves to the designated target position, the retainer ring arranged on the outer surface of the rotary table can move forwards and transversely due to inertia of the lifting mechanism, the edge of the retainer ring is of an inclined structure, the diameter of the outer circle is larger than that of one side, one end of the stop rod can also be upwarped, so that the second limiting tooth can be clamped, and when the inertia stops, the retainer ring can move reversely by the first spring, so that the stop rod can fall back, and the lifting mechanism can normally lift.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the supporting device of the present invention;

FIG. 3 is a schematic structural diagram of a hoisting mechanism of the present invention;

FIG. 4 is a schematic diagram of a partially disassembled structure of the hoisting mechanism of the present invention;

FIG. 5 is a schematic diagram of the self-locking head of the present invention in a state after moving;

FIG. 6 is a schematic view of the inner structure of the spin head of the present invention;

FIG. 7 is a schematic side view of the interior structure of the spin head of the present invention;

FIG. 8 is a schematic side view of the inner structure of the winding device of the present invention;

FIG. 9 is a schematic view of the roller shaft of the present invention after it has been moved;

FIG. 10 is a schematic side view of the roller shaft of the present invention.

In the figure: 1. a support device; 11. a base; 12. a support bar; 13. a rotating base; 14. a cross bar; 15. a first drive motor; 2. a hoisting mechanism; 21. a winding device; 211. a groove; 212. a first drop prevention assembly; 2121. a limiting groove; 2122. a roll shaft; 21221. a turntable; 21222. a first spring; 21223. a retainer ring; 2123. a gear lever; 2124. clamping teeth; 213. rotating the head; 2131. a chute; 2132. a fixing assembly; 21321. a bolt; 21322. a connector; 21323. a telescopic head; 21324. a limiting block; 21325. a second spring; 214. a ratchet; 215. a self-locking head; 2151. a first limit tooth; 2152. a balancing weight; 2153. a slider; 2154. a telescopic rod; 2155. a third spring; 216. rotating the disc; 2161. a second limit tooth; 22. a second drive motor; 23. a supporting seat; 24. a mobile device; 25. a connecting cover; 26. a steel cord; 27. and (4) a lifting hook.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-2, a lifting device of an anti-drop structure for building engineering comprises a supporting device 1 and a lifting mechanism 2, wherein the lifting mechanism 2 is installed at the upper end of the supporting device 1, the supporting device 1 comprises a base 11, a supporting rod 12, a rotary seat 13, a cross rod 14 and a first driving motor 15, the supporting rod 12 is installed at the upper end of the base 11, the rotary seat 13 is installed at the upper end of the supporting rod 12, the cross rod 14 is installed at one side of the upper end of the rotary seat 13, the first driving motor 15 is installed at the other side of the upper end of the rotary seat 13, the cross rod 14 is in an i-shaped structure, and the lifting mechanism 2 is installed at the lower end of.

Referring to fig. 3, the lifting mechanism 2 includes a winding device 21, a second driving motor 22, a supporting seat 23, a moving device 24, a connecting cover 25, a steel cable 26 and a hook 27, the second driving motor 22 is installed on one side of the winding device 21, the supporting seat 23 is installed on the upper end of the winding device 21, the moving devices 24 are installed at four corners of the upper end of the supporting seat 23, the connecting cover 25 is installed on the other side of the winding device 21, the steel cable 26 is installed in the inner cavity of the winding device 21, and the hook 27 is installed at the lower end of the steel cable 26.

Referring to fig. 4-5, the winding device 21 includes a groove 211, a first anti-drop assembly 212, and a rotating head 213, the rotating head 213 includes a sliding slot 2131 and a fixing assembly 2132, a sliding slot 2131 is formed in an inner cavity side wall of the rotating head 213, the fixing assembly 2132 is installed at a front edge of the rotating head 213, one end of the fixing assembly 2132 penetrates through the inner cavity side wall of the sliding slot 2131, a ratchet 214, a self-locking head 215, and a rotating disc 216, the groove 211 is formed in an inner cavity on one side of the winding device 21, the pair of first anti-drop assemblies 212 is installed on a bottom surface of the inner cavity of the groove 211, the rotating head 213 is installed on one side of the inner cavity of the groove 211, the ratchet 214 is installed on the inner.

Referring to fig. 6-7, the fixing assembly 2132 includes a bolt 21321, a connector 21322, a telescopic head 21323, a limiting block 21324 and a second spring 21325, the connector 21322 is installed at one end of the bolt 21321, the connector 21322 is in a T-shaped structure, the telescopic head 21323 is installed at one end of the connector 21322, the limiting block 21324 is installed at one end of the telescopic head 21323, the second spring 21325 is installed in an inner cavity of the telescopic head 21323, one side of the limiting block 21324 is connected with the second spring 21325, the connector 21322 is in a right-angled ladder-shaped structure, the self-locking head 215 includes a first limiting tooth 2151, a counterweight 2152, a slider 2153, a telescopic rod 2154 and a third spring 2155, the first limiting tooth 2151 is installed at the upper end of the self-locking head 215, the counterweight 2152 is installed at the upper end of the inner cavity of the self-locking head 215, the sliders 2153 are installed at the two ends of the self-locking head 215, the, when the second driving motor 22 rotates to drive the steel cable 26 to move up and down, the rotating disc 216 drives the rotating head 213 to rotate together, when the second driving motor 22 fails to work, the second driving motor 22 fails, the weight at the lower end of the steel cable 26 drives the rotating disc 216 to rotate rapidly, the rotating disc 216 drives the rotating head 213 to rotate rapidly, when the rotating head 213 rotates rapidly, the self-locking head 215 mounted at the upper end of the rotating head 213 starts to move upwards under the action of centrifugal force, and the counterweight 2152 is mounted in the inner cavity of the self-locking head 215, so that the gravity of the self-locking head 215 is increased, the centrifugal force is better, after the self-locking head 215 moves upwards, the first limiting teeth 2151 can be clamped with the ratchet teeth 214, so that the rotating head 213 can stop rotating, thereby the weight can be prevented from falling, and the sliding blocks 2153 are mounted at the two ends of the self-locking head, the slider 2153 can make the stopper 21324 retract, and after the stopper 21324 retracts, the stopper 21324 can be clamped at the lower end of the slider 2153, so that the movement of the self-locking head 215 can be locked, and the falling of the lifted object can be further prevented from injuring the person by smashing.

Example two

Referring to fig. 8-10, the first falling prevention assembly 212 includes a limiting groove 2121 and a roller shaft 2122, the roller shaft 2122 includes a rotational plate 21221, a first spring 21222 and a retaining ring 21223, the rotational plate 21221 is mounted on an outer surface of the roller shaft 2122, the first spring 21222 is mounted in an inner cavity of the rotational plate 21221, the retaining ring 21223 is mounted at one end of the first spring 21222, the retaining ring 21223 is mounted on an outer surface of the retaining ring 21223, and an edge of the retaining ring 21223 is inclined, so that when the lifting mechanism 2 moves forward at the lower end of the crossbar 14, the retaining ring 21223 mounted on the outer surface of the rotational plate 21221 can move forward and laterally due to inertia of the lifting mechanism 2 after the lifting mechanism 2 moves to a designated target position, because the edge of the retaining ring 21223 is inclined, and the outer diameter of the outer circle is larger than one side diameter, so that one end of the retaining rod 2123 can also tilt up to clamp the second limiting tooth 2161, and when inertia stops, the first spring 21222 can move the, so that the stopper rod 2123 can fall back, the lifting mechanism 2 can normally perform a lifting operation, the stopper rod 2123 and the latch 2124, the front surface of the first falling prevention assembly 212 is provided with a limiting groove 2121, an inner cavity of the limiting groove 2121 is provided with a roller shaft 2122, one side of the upper end of the inner cavity of the first falling prevention assembly 212 is provided with the stopper rod 2123, one side of the upper end of the stopper rod 2123 is provided with the latch 2124, the limiting groove 2121 is in an inclined structure, the outer surface of the rotating disc 216 is provided with a second limiting tooth 2161, the direction of the second limiting tooth 2161 is the same as that of the first limiting tooth 2151, when the first driving motor 15 drives the cross bar 14 to rotate left and right, the bottom surface of the inner cavity of the groove 211 is provided with the pair of first falling prevention assemblies 212, when the cross bar 14 rotates left, the centrifugal force enables the turntable 21221 and the roller shaft 2122 to move along the limiting groove 2121, because the limiting groove 2121 is in an inclined structure, the turntable 21221 tilts and moves, when one end of the stopper 2123 is tilted upward, the latch 2124 mounted on one side of the upper end of the stopper 2123 can latch the second stopper 2161, thereby preventing the rotary disc 216 from rotating counterclockwise, preventing the material at the lower end of the wire rope 26 from falling down when rotating, and when the crossbar 14 rotates right, the rotary disc 21221 and the roller shaft 2122 on the other side act in the same manner, thereby preventing the material from falling when the crossbar 14 rotates left and right.

In summary, the following steps: the invention provides a hoisting device of an anti-falling structure for construction engineering, when a second driving motor 22 rotates to drive a steel cable 26 to move up and down, a rotating disc 216 drives a rotating head 213 to rotate together, the second driving motor 22 fails to cause the power failure of the second driving motor 22, a weight at the lower end of the steel cable 26 drives the rotating disc 216 to start to rotate quickly, the rotating disc 216 drives the rotating head 213 to rotate quickly, when the rotating head 213 rotates quickly, a self-locking head 215 arranged at the upper end of the rotating head 213 starts to move upwards under the action of centrifugal force, and a counterweight block 2152 is arranged in the inner cavity of the self-locking head 215, so that the gravity of the self-locking head 215 is increased, the effect of the centrifugal force is better, after the self-locking head 215 moves upwards, a first limiting tooth 2151 can be clamped with a ratchet 214, so that the rotating head 213 can stop rotating, and the slider 2153 is installed at both ends of the self-locking head 215, when the slider 2153 moves upwards in the cavity of the sliding groove 2131, the slider 2153 can retract the stopper 21324, after the stopper 21324 retracts, the stopper 21324 can be clamped at the lower end of the slider 2153, so that the movement of the self-locking head 215 can be locked, and further the falling of the lifted object can be prevented from injuring the person, when the first driving motor 15 drives the cross bar 14 to rotate left and right, the pair of first falling prevention assemblies 212 are installed on the bottom surface of the cavity of the groove 211, when the cross bar 14 rotates left, the centrifugal force enables the rotary disc 21221 and the roller shaft 2122 to move along the stopper groove 2121, because the stopper groove 2121 is in an inclined structure, when the rotary disc 21221 moves, one end of the stopper rod 2123 can tilt upwards, after one end of the stopper rod 2123 tilts upwards, the clamping tooth 2124 installed at one side of the upper end of the stopper rod 2123 can lock the second stopper tooth 2161, so that the, so that the material at the lower end of the wire rope 26 is prevented from falling down when rotating, and when the crossbar 14 rotates to the right, the rotary plate 21221 and the roller shaft 2122 at the other side do the same, so that the cross bar 14 can play the role of preventing the material from falling when rotating left and right, when the lifting mechanism 2 moves forwards at the lower end of the cross bar 14, after the lifting mechanism 2 moves to a designated target position, the lifting mechanism 2 can make the retaining ring 21223 mounted on the outer surface of the turntable 21221 move forward and transversely due to inertia, because the edge of the retaining ring 21223 is in an inclined structure, the diameter of the outer circle is larger than that of one side, one end of the stop rod 2123 can also tilt up, so that the second limit tooth 2161 can be caught, and after the inertia stops, the first spring 21222 can make the stop ring 21223 move reversely, thereby enabling the stopper 2123 to fall back and the lifting mechanism 2 to be lifted normally.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a building engineering is with hoisting accessory of anti falling structure, includes strutting arrangement (1) and hoisting accessory (2), its characterized in that are installed to the upper end of strutting arrangement (1): the supporting device (1) comprises a base (11), a supporting rod (12), a rotating seat (13), a cross rod (14) and a first driving motor (15), wherein the supporting rod (12) is installed at the upper end of the base (11), the rotating seat (13) is installed at the upper end of the supporting rod (12), the cross rod (14) is installed on one side of the upper end of the rotating seat (13), the first driving motor (15) is installed on the other side of the upper end of the rotating seat (13), the cross rod (14) is in an I-shaped structure, and a hoisting mechanism (2) is installed at the lower end of the cross rod (14);

hoisting mechanism (2) includes coiling mechanism (21), second driving motor (22), supporting seat (23), mobile device (24), connect and cover (25), cable wire (26) and lifting hook (27), second driving motor (22) are installed to one side of coiling mechanism (21), supporting seat (23) are installed to the upper end of coiling mechanism (21), mobile device (24) are installed to the upper end four corners of supporting seat (23), connect and cover (25) are installed to the opposite side of coiling mechanism (21), cable wire (26) are installed to the inner chamber of coiling mechanism (21), lifting hook (27) are installed to the lower extreme of cable wire (26).

2. The hoisting device of the anti-drop structure for construction engineering according to claim 1, wherein: coiling mechanism (21) are including recess (211), first prevent falling subassembly (212), rotating head (213), ratchet (214), from tapered end (215) and rotary disk (216), one side inner chamber of coiling mechanism (21) is seted up fluted (211), a pair of first subassembly (212) of preventing falling is installed to the inner chamber bottom surface of recess (211), rotating head (213) are installed to inner chamber one side of recess (211), ratchet (214) are installed to the inner chamber wall of recess (211), from tapered end (215) are installed to the upper end of rotating head (213), rotary disk (216) are installed to the opposite side of rotating head (213).

3. The hoisting device of the anti-drop structure for construction engineering according to claim 2, wherein: the first anti-dropping component (212) comprises a limiting groove (2121), a roller shaft (2122), a blocking rod (2123) and a clamping tooth (2124), the limiting groove (2121) is formed in the front face of the first anti-dropping component (212), the roller shaft (2122) is installed in an inner cavity of the limiting groove (2121), the blocking rod (2123) is installed on one side of the upper end of the inner cavity of the first anti-dropping component (212), the clamping tooth (2124) is installed on one side of the upper end of the blocking rod (2123), and the limiting groove (2121) is of an inclined structure.

4. A hoisting device of a drop-preventing structure for construction works as claimed in claim 3, wherein: the roller shaft (2122) comprises a rotary disc (21221), a first spring (21222) and a retaining ring (21223), the rotary disc (21221) is installed on the outer surface of the roller shaft (2122), the first spring (21222) is installed in the inner cavity of the rotary disc (21221), the retaining ring (21223) is installed at one end of the first spring (21222), the retaining ring (21223) is installed on the outer surface of the retaining ring (21223), and the edge of the retaining ring (21223) is of an inclined structure.

5. The hoisting device of the anti-drop structure for construction engineering according to claim 2, wherein: the rotating head (213) comprises a sliding groove (2131) and a fixing component (2132), the sliding groove (2131) is formed in the inner cavity side wall of the rotating head (213), the fixing component (2132) is installed at the edge of the front face of the rotating head (213), and one end of the fixing component (2132) penetrates through the inner cavity side wall of the sliding groove (2131).

6. The hoisting device of the anti-drop structure for construction engineering according to claim 5, wherein: the fixing assembly (2132) comprises a bolt (21321), a connector (21322), a telescopic head (21323), a limiting block (21324) and a second spring (21325), the connector (21322) is installed at one end of the bolt (21321), the connector (21322) is of a T-shaped structure, the telescopic head (21323) is installed at one end of the connector (21322), the limiting block (21324) is installed at one end of the telescopic head (21323), the second spring (21325) is installed in an inner cavity of the telescopic head (21323), one side of the limiting block (21324) is connected with the second spring (21325), and the connector (21322) is of a right-angle trapezoidal structure.

7. The hoisting device of the anti-drop structure for construction engineering according to claim 2, wherein: from tapered end (215) including first spacing tooth (2151), balancing weight (2152), slider (2153), telescopic link (2154) and third spring (2155), install first spacing tooth (2151) from the upper end of tapered end (215), balancing weight (2152) are installed from the inner chamber upper end of tapered end (215), slider (2153) are installed from the both ends of tapered end (215), telescopic link (2154) are installed from the lower extreme of tapered end (215), the surface mounting of telescopic link (2154) has third spring (2155).

8. The hoisting device of the anti-drop structure for construction engineering according to claim 2, wherein: the outer surface of the rotating disk (216) is provided with a second limiting tooth (2161), and the direction of the second limiting tooth (2161) is the same as that of the first limiting tooth (2151).