CN219343925U

CN219343925U - Safety device for super high-rise steel structure construction

Info

Publication number: CN219343925U
Application number: CN202320903976.4U
Authority: CN
Inventors: 张学伟; 李华; 刘华山; 王柯超; 刘菲
Original assignee: First Construction Engineering Co Ltd of China Construction Second Engineering Bureau Co Ltd
Current assignee: First Construction Engineering Co Ltd of China Construction Second Engineering Bureau Co Ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-07-14
Anticipated expiration: 2033-04-21

Abstract

The utility model discloses a safety protection device for super high-rise steel structure construction, which relates to the technical field of construction and comprises a transmission box, wherein a supporting component is arranged at the bottom of the transmission box and used for assisting in transferring and supporting the transmission box, a double-shaft motor is fixedly arranged in the transmission box, transmission rods are fixed at two output shaft ends of the double-shaft motor, a first bevel gear is fixed at the other end of each transmission rod, and two threaded screw rods are arranged at the top of the transmission box in a penetrating manner. The double-shaft motor is utilized to drive the two first conical gears to rotate simultaneously, so that the two first conical gears drive the two second conical gears to rotate, the heights of the supporting tables are synchronously adjusted by forcing the two threaded screw rods to be in a screw rod transmission mode, meanwhile, the racks can synchronously move along with the traction of the supporting tables, the clamping blocks can limit the racks by means of the elasticity of the springs, the pressure borne by the threaded screw rods can be shared by the reinforcing components, and the use safety of the threaded screw rods is protected.

Description

Safety device for super high-rise steel structure construction

Technical Field

The utility model relates to the technical field of construction work and construction, in particular to a safety protection device for super high-rise steel structure construction.

Background

Steel construction engineering is increasingly gaining importance in the marketplace, especially in the construction of buildings and bridges, however, there is often a great safety risk for operations above 2 meters where the modeling is complex. For high-altitude steel structure construction, horizontal channels, hanging cages, scaffolds, high-altitude operation vehicles and the like are generally used as safety protection. However, the horizontal channel and the hanging cage are only suitable for steel structures with relatively gentle structures; the scaffold is used as a construction and protection platform, so that the engineering quantity is huge, the required cost is high, the time consumption is long, and a great potential safety hazard exists in the construction process; the overhead working truck needs a plurality of matched construction, has high cost and cannot cover a narrow space and a rod piece staggered area.

The utility model patent with the publication number of CN215254793U discloses a safety protection device for construction of super high-rise steel structures. When the safety protection device for super high-rise steel structure construction is used, the threaded rod is driven to rotate by the driving motor, so that the threaded rod is driven to move up and down, the height adjustment in the lifting process is realized, the gravity of the device is borne by the threaded rod, and the threaded rod can deform in the long-term use process, so that the whole service life of the device is influenced.

Disclosure of Invention

The utility model aims at providing a safety device of super high-rise steel construction to solve the safety device of current super high-rise steel construction that proposes among the above-mentioned prior art when using, with a driving motor drive threaded rod rotatory, make it drive threaded sleeve reciprocates, realize lifting the high adjustment of in-process, the device's gravity all relies on the threaded rod to bear, this can lead to the threaded rod to take place deformation at long-term in-process that uses, influences the problem of device whole life.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a safety device of super high-rise steel construction, includes the transmission case, the supporting component is installed to the bottom of transmission case, the supporting component is used for the auxiliary transfer and the support of transmission case, the inside fixed mounting of transmission case has biax motor, two output shaft ends of biax motor all are fixed with the transfer line, the other end of transfer line is fixed with first conical gear, the top of transmission case runs through and is provided with two screw thread lead screws, and the junction of transmission case and screw thread lead screw passes through the bearing and rotates to be connected;

the bottom end fixing of screw thread lead screw has the second bevel gear, two first bevel gear and two second bevel gears equally divide and establish in the both sides of biax motor, are located the first bevel gear and the second bevel gear intermeshing of biax motor same one side, threaded connection has the carrier block on the screw thread lead screw, two be fixed with the brace table on the carrier block, the top of brace table is fixed with two dead levers, two be fixed with the dead lever between the dead lever, the safety hook has been cup jointed to the outside of dead lever, be provided with the safety belt on the safety hook, be equipped with the reinforcement subassembly between transmission case and the brace table, the reinforcement subassembly is used for sharing the pressure that the screw thread lead screw received.

Further, the top of screw thread lead screw is fixed with the stopper, one side fixed mounting of supporting bench has the cat ladder.

Further, the reinforcement assembly comprises a fixed cylinder and a rack, the rack is in sliding fit with the inner wall of the fixed cylinder, the fixed cylinder is fixedly arranged on the transmission case, and the rack is fixedly arranged at the bottom of the supporting table.

Further, a spring is fixed on one side of the fixed cylinder, an end plate is fixed on the other end of the spring, a clamping block is fixed on the end plate, and the clamping block is used for locking the position of the rack and the fixed cylinder.

Further, the spring is arranged in parallel with the clamping block, and a through hole for sliding the clamping block is formed in the fixed cylinder.

Further, the support assembly comprises a base, the base is fixedly arranged at the bottom of the transmission case, and two hydraulic jacks are fixedly arranged on the base.

Further, the output ends of the two hydraulic jacks are fixedly provided with carrier plates, and the lower surfaces of the carrier plates are rotatably connected with a plurality of universal wheels through bearings.

In summary, the utility model has the technical effects and advantages that:

1. according to the utility model, the two first conical gears are driven to rotate simultaneously by the double-shaft motor, so that the two first conical gears drive the two second conical gears to rotate, the two threaded screw rods are forced to synchronously adjust the height of the supporting table in a screw rod transmission mode, meanwhile, the racks synchronously move under the traction of the supporting table, and the clamping blocks limit the racks by means of the elasticity of the springs, so that the pressure born by the threaded screw rods can be shared by the reinforcing component, and the use safety of the threaded screw rods is protected.

2. According to the utility model, the carrier plate and the universal wheels at the bottom of the carrier plate are pushed to move downwards by utilizing the two hydraulic jacks, so that the universal wheels extend out from the bottom of the base, and the device can transfer positions by means of a plurality of universal wheels; the crawling ladder arranged on one side of the supporting table is utilized, so that the process of workers entering the supporting table is more trouble-saving; the safety hook is hooked on the protection rod, so that the safety belt arranged on the safety hook can protect the working safety of workers.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a safety protection device for super high-rise steel construction in an embodiment of the application;

FIG. 2 is a cross-sectional view of a portion of a structural member of a safety device for use in construction of a super high-rise steel structure in accordance with an embodiment of the present application;

FIG. 3 is a schematic structural view of a fastening assembly according to an embodiment of the present application;

fig. 4 is a schematic structural view of a support assembly according to an embodiment of the present application.

In the figure: 1. a transmission case; 2. a biaxial motor; 3. a transmission rod; 4. a first bevel gear; 5. a threaded screw rod; 6. a second bevel gear; 7. a carrier block; 8. a support table; 9. a fixed rod; 10. a protection rod; 11. a safety hook; 12. a safety belt; 13. a limiting block; 14. a ladder stand; 15. a fixed cylinder; 16. a rack; 17. a spring; 18. an end plate; 19. a clamping block; 20. a base; 21. a hydraulic jack; 22. a carrier plate; 23. and a universal wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to the safety protection device for super high-rise steel construction shown in fig. 1-4, including transmission case 1, support assembly is installed to transmission case 1's bottom, support assembly is used for transmission case 1's supplementary transfer and support, transmission case 1's inside fixed mounting has biax motor 2, biax motor 2's two output axle head all is fixed with transfer line 3, transfer line 3's the other end is fixed with first conical gear 4, transmission case 1's top runs through and is provided with two screw thread lead screw 5, and the junction of transmission case 1 and screw thread lead screw 5 passes through the bearing rotation to be connected, screw thread lead screw 5's bottom is fixed with second conical gear 6, screw thread lead screw 5's top is fixed with stopper 13, two first conical gear 4 and two second conical gear 6 equipartitions are established in biax motor 2's both sides, be located biax motor 2 and the first conical gear 4 intermeshing of one side, screw thread lead screw 5 is last threaded connection has carrier block 7, be fixed with supporting bench 8 on two carrier blocks 7, the top of supporting bench 8 is fixed with two dead levers 9, be fixed with protection rod 10 between two dead lever 9, the external portion of protection rod 10 has a stopper 13, safety hook 11 is provided with the safety hook 11, be used for receiving safety hook 1 between the safety hook, safety assembly is cup jointed in safety hook 1, safety hook is provided with safety assembly is used for receiving safety hook.

The double-shaft motor 2 is utilized to drive the two first bevel gears 4 to rotate simultaneously, so that the two first bevel gears 4 drive the two second bevel gears 6 to rotate, the two threaded screw rods 5 are forced to synchronously adjust the height of the supporting table 8 in a screw rod transmission mode, the safety hook 11 is hooked on the protection rod 10, and the safety belt 12 arranged on the safety hook 11 can protect the work safety of workers.

Wherein, a cat ladder 14 is fixedly arranged on one side of the supporting table 8.

By using the ladder stand 14 arranged on one side of the supporting table 8, the process of a worker entering the supporting table 8 is more trouble-saving.

The reinforcing component comprises a fixing cylinder 15 and a rack 16, the rack 16 is in sliding fit with the inner wall of the fixing cylinder 15, the fixing cylinder 15 is fixedly arranged on the transmission case 1, the rack 16 is fixedly arranged at the bottom of the supporting table 8, a spring 17 is fixed on one side of the fixing cylinder 15, an end plate 18 is fixed on the other end of the spring 17, a clamping block 19 is fixed on the end plate 18, the spring 17 and the clamping block 19 are arranged in parallel, the clamping block 19 is used for locking the positions of the rack 16 and the fixing cylinder 15, and a through hole for sliding the clamping block 19 is formed in the fixing cylinder 15.

The rack 16 is pulled by the supporting table 8 to synchronously move along with the supporting table, and the clamping block 19 can limit the rack 16 by means of the elasticity of the spring 17, so that the pressure borne by the threaded screw rod 5 can be shared by the reinforcing component, and the use safety of the threaded screw rod 5 is protected.

The support assembly comprises a base 20, the base 20 is fixedly arranged at the bottom of the transmission case 1, two hydraulic jacks 21 are fixedly arranged on the base 20, a carrier plate 22 is fixedly arranged at the output ends of the two hydraulic jacks 21, and a plurality of universal wheels 23 are rotatably connected to the lower surface of the carrier plate 22 through bearings.

The carrier plate 22 and the universal wheels 23 at the bottom of the carrier plate are pushed down by the two hydraulic jacks 21, so that the universal wheels 23 extend out of the bottom of the base 20, and the device can shift positions by means of the plurality of universal wheels 23.

The working principle of the utility model is as follows:

the worker climbs onto the supporting table 8 by means of the ladder stand 14, one end of the safety belt 12 is tied on the body, the double-shaft motor 2 can be controlled to drive the two first conical gears 4 to rotate according to the working requirement, the first conical gears 4 are meshed with the second conical gears 6, the threaded screw rods 5 on the second conical gears 6 can be driven to rotate, and the supporting table 8 and the worker standing on the supporting table are lifted to a designated height by the two threaded screw rods 5 in a screw transmission mode, so that the worker can conveniently perform construction work;

in the process of upward movement of the supporting table 8, the rack 16 arranged at the bottom of the supporting table 8 is pulled by the supporting table to move upward along with the supporting table, when the supporting table 8 stops running, the spring 17 pushes the clamping block 19 to be matched with the rack 16 by virtue of the end plate 18, and the position of the fixed cylinder 15 and the rack 16 are locked, so that the reinforcing component can share the pressure born by the two threaded screw rods 5, and the service life of the two threaded screw rods 5 is further ensured;

after the device is used, the two hydraulic jacks 21 are controlled to extend, the carrier plate 22 and the universal wheels 23 at the bottom of the carrier plate can be pushed to extend out of the bottom of the base 20, the device can be quickly transferred to a designated position by means of the universal wheels 23, and after the device reaches the designated position, the two hydraulic jacks 21 are controlled to shrink, so that the universal wheels 23 can be driven to retract into the base 20, and the device is continuously supported by the base 20.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a safety device of super high-rise steel construction, includes transmission case (1), its characterized in that: the automatic transmission device comprises a transmission box (1), and is characterized in that a supporting component is arranged at the bottom of the transmission box (1), the supporting component is used for assisting in transferring and supporting the transmission box (1), a double-shaft motor (2) is fixedly arranged in the transmission box (1), transmission rods (3) are respectively fixed at two output shaft ends of the double-shaft motor (2), a first conical gear (4) is fixed at the other end of each transmission rod (3), two threaded screw rods (5) are arranged at the top of the transmission box (1) in a penetrating mode, and the joint of the transmission box (1) and the threaded screw rods (5) is connected in a rotating mode through bearings;

the utility model discloses a screw thread lead screw, including screw thread lead screw (5), screw thread lead screw (5) and support platform (5), screw thread lead screw (5) are fixed with second bevel gear (6), two the both sides at biax motor (2) are equally divided to first bevel gear (4) and second bevel gear (6) of two first bevel gear (4) and two second bevel gear (6), are located biax motor (2) with first bevel gear (4) and second bevel gear (6) intermeshing, threaded connection has carrier block (7) on screw thread lead screw (5), two be fixed with supporting bench (8) on carrier block (7), the top of supporting bench (8) is fixed with two dead levers (9), two be fixed with between dead lever (9) guard bar (10), the outside of guard bar (10) has cup jointed safety hook (11), be provided with safety belt (12) on the safety hook (11), be equipped with between transmission case (1) and supporting bench (8), the reinforcing component is used for sharing the pressure that screw thread lead screw (5) receives.

2. The safety device for super high-rise steel structure construction according to claim 1, wherein: a limiting block (13) is fixed at the top end of the threaded screw rod (5), and a crawling ladder (14) is fixedly installed on one side of the supporting table (8).

3. The safety device for super high-rise steel structure construction according to claim 1, wherein: the reinforcing component comprises a fixed cylinder (15) and a rack (16), wherein the rack (16) is in sliding fit with the inner wall of the fixed cylinder (15), the fixed cylinder (15) is fixedly arranged on the transmission case (1), and the rack (16) is fixedly arranged at the bottom of the supporting table (8).

4. A safety device for construction of super high-rise steel structure according to claim 3, wherein: one side of the fixed cylinder (15) is fixed with a spring (17), the other end of the spring (17) is fixed with an end plate (18), a clamping block (19) is fixed on the end plate (18), and the clamping block (19) is used for locking the positions of the rack (16) and the fixed cylinder (15).

5. The safety device for super high-rise steel structure construction according to claim 4, wherein: the spring (17) is arranged in parallel with the clamping block (19), and the fixed cylinder (15) is provided with a through hole for sliding the clamping block (19).

6. The safety device for super high-rise steel structure construction according to claim 1, wherein: the support assembly comprises a base (20), wherein the base (20) is fixedly arranged at the bottom of the transmission case (1), and two hydraulic jacks (21) are fixedly arranged on the base (20).

7. The safety device for super high-rise steel structure construction according to claim 6, wherein: the output ends of the two hydraulic jacks (21) are fixedly provided with carrier plates (22), and the lower surfaces of the carrier plates (22) are rotatably connected with a plurality of universal wheels (23) through bearings.