CN220078477U

CN220078477U - Lifting device for be used for building engineering

Info

Publication number: CN220078477U
Application number: CN202321656065.2U
Authority: CN
Inventors: 祝真法
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2023-11-24
Anticipated expiration: 2033-06-28

Abstract

The utility model provides a lifting device for constructional engineering, which relates to the technical field related to constructional engineering and comprises a lifting base and a safety rope mechanism, wherein the safety rope mechanism comprises a mounting block, a steel cable, a rotating shaft, a supporting frame, a shell, a connecting hole, a limiting groove, a tension spring and a locking block, the top of the lifting base is fixedly connected with a scissor lifting platform, the top of the lifting base is fixedly connected with a cylinder, the top of the scissor lifting platform is fixedly connected with a supporting platform, the outer side surface of the supporting platform is provided with the safety rope mechanism, the top surface of the supporting platform is provided with a guard rail mechanism, the maximum descending speed of the supporting platform is limited by the safety rope mechanism, the occurrence of accidents can be reduced, the damage of personnel and goods caused by the fact that the speed is too fast is impacted to the ground can be prevented, and the sufficient time can be given to an operator to react so as to avoid the occurrence of sudden situations.

Description

Lifting device for be used for building engineering

Technical Field

The utility model relates to the technical field related to constructional engineering, in particular to a lifting device for constructional engineering.

Background

The construction engineering is a comprehensive engineering field, covers the aspects of design, construction, maintenance and the like of a building, plays an important role in the construction engineering, provides convenience and safety for the construction process and the use of the building, is equipment for vertically transporting personnel and materials, is widely applied to the construction engineering, can be used for transporting building materials, workers and equipment to different floors in the construction stage, improves the working efficiency and the safety, can be in the forms of an elevator, a lifter, a scaffold lifting platform and the like, selects proper types and specifications according to specific requirements, is indispensable equipment in the construction engineering, provides convenience and safety for the construction and the use, improves the working efficiency and the comfort, reasonably selects and uses the lifting device in the construction engineering, is vital for the success of the engineering and the quality of the building, and can be difficult to control if the lowering speed is too high in the use of the lifting device goods, increases the risk of accidents, increases the potential collision risk of the lifting device and the equipment, and is particularly used for causing the potential collision accidents of the building, and the like.

However, in the existing lifting devices for construction engineering, when the lifting devices are used for loading and unloading cargoes, if the descending speed is too high, the risk of accidents is increased, the lifting devices can be difficult to control due to rapid descending, the potential danger of injuries of workers and equipment is increased, and accidents such as collision, collision or falling can be caused.

Disclosure of Invention

The utility model aims to provide a lifting device for constructional engineering, which solves the problems that in the prior lifting device for constructional engineering, when the lifting device is used for loading and unloading cargoes in the use process, the risk of accidents is increased if the lifting device is lowered too much, the lifting device can be difficult to control due to rapid lowering, the potential danger of injury of workers and equipment is increased, and accidents such as collision, collision or falling can be caused.

In order to achieve the above purpose, the utility model provides a lifting device for constructional engineering, which comprises a lifting base and a safety rope mechanism, wherein the safety rope mechanism comprises a mounting block, a steel cable, a rotating shaft, a supporting frame, a shell, a connecting hole, a limiting groove, a tension spring and a locking block, the top of the lifting base is fixedly connected with a scissor lifting platform, the top of the lifting base is fixedly connected with an air cylinder, the top of the scissor lifting platform is fixedly connected with a supporting platform, the outer side surface of the supporting platform is provided with the safety rope mechanism, and the top surface of the supporting platform is provided with a guard rail mechanism.

Preferably, the safety rope mechanism comprises a mounting block, a steel cable, a rotating shaft, a supporting frame, a shell, a connecting hole, a limiting groove, an extension spring and a locking block, wherein the mounting block is fixedly connected with the outer side surface of the supporting platform, the steel cable is fixedly connected with the top of the mounting block, one end of the steel cable is fixedly connected with the rotating shaft, the supporting frame is rotationally connected with the outer side surface of the rotating shaft, the shell is fixedly connected with the outer side surface of the supporting frame, the connecting hole is formed in the outer side surface of the shell, the limiting groove is formed in the outer side surface of the shell, the extension spring is fixedly connected with the inner side surface of the rotating shaft, and the locking block is fixedly connected with one end of the extension spring.

Preferably, the number of the mounting blocks is two, the mounting blocks are symmetrically distributed on the outer side surface of the supporting platform, and the steel cable is wound on the outer side surface of the rotating shaft.

Preferably, the number of the connecting holes on each shell is two, the shape and the size of the locking block are matched with those of the limiting groove, and the locking block is in sliding connection with the inner side surface of the rotating shaft.

Preferably, the rail guard mechanism is including screw thread post, hand wheel, connecting plate, guardrail bar and stopper, supporting platform's top is rotated and is connected with the screw thread post, the outside surface fixedly connected with hand wheel of screw thread post, the outside surface threaded connection of screw thread post has the connecting plate, the bottom fixedly connected with guardrail bar of connecting plate, the one end fixedly connected with stopper of guardrail bar.

Preferably, the connecting plate is in sliding connection with the supporting platform.

Preferably, the guardrail bars are annularly distributed at the bottom of the connecting plate, the guardrail bars penetrate through the supporting platform and are in sliding connection with the supporting platform, and the radial size of the limiting block is larger than that of the guardrail bars.

Compared with the prior art, the utility model has the beneficial effects that: this a elevating gear for building engineering, through the installation piece, the steel cable, the pivot, the support frame, the shell, the connecting hole, the spacing groove, extension spring and locking piece's setting, at the in-process of using, supporting platform passes through the installation piece and is connected with the steel cable, the one end and the supporting platform of steel cable are connected and are used for hanging, the other end is connected with the shell and are used for supporting and spacing, the one end and the pivot fixed connection that supporting platform was kept away from to the steel cable twine in the pivot, the pivot passes through the support frame and is connected with the shell through connecting hole and platform riveting or bolted connection etc. that need loading and unloading, and the pivot can rotate on the support frame in order to receive and release the steel cable, and the pivot extends to outside the shell, can directly rotate the pivot in order to receive and release the pivot, the inboard surface of steel cable has the locking piece through extension spring connection, because extension spring can be for the locking piece restraint effect, the inside of the pivot can be in when the pivot rotational speed is not big, centrifugal force increases and can be thrown away the locking piece when the rotational speed suddenly, and block in the spacing inslot, the rotation of limiting the pivot, can pull the steel cable and drive the pivot when supporting platform descends, like, the pivot through the support platform, the pivot is driven, the support platform and can be rotated, the pivot when the scissors lift platform drives the landing, the landing speed and the platform down, if the landing down, can take down through the impact down, and can be reduced to the emergency and can be prevented from the accident, and can be caused by the accident.

Drawings

FIG. 1 is a schematic side view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the present utility model in a mated configuration;

FIG. 3 is a schematic view of the fitting structure of the mounting block and the housing of the present utility model;

FIG. 4 is a schematic view of the structure of the support frame and the housing of the present utility model;

FIG. 5 is a schematic view of the structure of the present utility model in which the shaft and the locking block cooperate with each other;

FIG. 6 is a schematic view of the interaction structure of the support platform and the threaded post according to the present utility model;

fig. 7 is a schematic diagram of the structure of the connecting plate and the guardrail bar of the present utility model.

In the figure: 1. lifting a base; 2. a scissor lift; 3. a cylinder; 4. a support platform; 5. a safety rope mechanism; 501. a mounting block; 502. a wire rope; 503. a rotating shaft; 504. a support frame; 505. a housing; 506. a connection hole; 507. a limit groove; 508. a tension spring; 509. a locking block; 6. a guard rail mechanism; 601. a threaded column; 602. a hand wheel; 603. a connecting plate; 604. guard rails; 605. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.

Referring to fig. 1-7, the utility model provides a lifting device for constructional engineering, which comprises a lifting base 1 and a safety rope mechanism 5, wherein the safety rope mechanism 5 comprises a mounting block 501, a steel cable 502, a rotating shaft 503, a supporting frame 504, a shell 505, a connecting hole 506, a limiting groove 507, an extension spring 508 and a locking block 509, the top of the lifting base 1 is fixedly connected with a scissor lifting platform 2, the top of the lifting base 1 is fixedly connected with a cylinder 3, the top of the scissor lifting platform 2 is fixedly connected with a supporting platform 4, the outer side surface of the supporting platform 4 is provided with the safety rope mechanism 5, the top surface of the supporting platform 4 is provided with a guard rail mechanism 6, the lifting base 1 provides a stable platform for supporting and fixing other components in the use process, the stability and the safety of the lifting device are ensured, and the scissor lifting platform 2 consists of mutually-intersected supporting rods, so that a scissor-shaped structure is formed. The lifting function of the lifting platform is achieved by controlling the telescopic movement of the scissor structure, the air cylinder 3 is used for providing power for the lifting device, the lifting and descending movement of the scissor type lifting platform 2 is controlled, the lifting function is achieved, and the supporting platform 4 is a working platform or a bearing surface of the lifting device and is used for placing and supporting objects, equipment or personnel needing lifting.

Further, the safety rope mechanism 5 comprises a mounting block 501, a steel cable 502, a rotating shaft 503, a supporting frame 504, a housing 505, a connecting hole 506, a limit groove 507, a tension spring 508 and a locking block 509, wherein the outer side surface of the supporting platform 4 is fixedly connected with the mounting block 501, the top of the mounting block 501 is fixedly connected with the steel cable 502, one end of the steel cable 502 is fixedly connected with the rotating shaft 503, the outer side surface of the rotating shaft 503 is rotationally connected with the supporting frame 504, the outer side surface of the supporting frame 504 is fixedly connected with the housing 505, the outer side surface of the housing 505 is provided with the connecting hole 506, the outer side surface of the housing 505 is provided with the limit groove 507, the inner side surface of the rotating shaft 503 is fixedly connected with the tension spring 508, one end of the tension spring 508 is fixedly connected with the locking block 509, and through the arrangement of the mounting block 501, the steel cable 502, the rotating shaft 503, the supporting frame 504, the housing 505, the connecting hole 506, the limit groove 507, the tension spring 508 and the locking block 509, in the use process, the supporting platform 4 is connected with the steel cable 502 through the mounting block 501, one end of the steel cable 502 is connected with the supporting platform 4 for hanging, the other end is connected with the shell 505 for supporting and limiting, one end of the steel cable 502 far away from the supporting platform 4 is fixedly connected with the rotating shaft 503 and is wound on the rotating shaft 503, the rotating shaft 503 is connected with the shell 505 through the supporting frame 504, the shell 505 is riveted or bolted with a platform to be assembled and disassembled through the connecting hole 506, and the like, the rotating shaft 503 can rotate on the supporting frame 504 to retract the steel cable 502, the rotating shaft 503 extends out of the shell 505 and can directly rotate the rotating shaft 503 to retract the steel cable 502, the inner side surface of the rotating shaft 503 is connected with the locking block 509 through the extension spring 508, the locking block 509 can be positioned in the rotating shaft 503 under the constraint action of the extension spring 508 when the rotating speed of the rotating shaft 503 is not great, when the rotation speed suddenly increases, the centrifugal force increases to throw out the locking block 509 and is blocked in the limiting groove 507 to limit the rotation of the rotating shaft 503, and as the supporting platform 4 descends to pull the steel cable 502 and drive the rotating shaft 503 to rotate, when the scissor type lifting table 2 drives the supporting platform 4 to descend, if the descending speed suddenly increases, the supporting platform 4 is blocked by the safety rope mechanism 5, further descending is prevented, the descending speed of the supporting platform 4 is limited, and the safety protection function is played.

Further, the number of the installation blocks 501 is two and symmetrically distributed on the outer side surface of the supporting platform 4, the steel cables 502 are wound on the outer side surface of the rotating shaft 503, the symmetrically arranged safety rope mechanism 5 is more reasonably stressed, and the rotating shaft 503 can rotate on the supporting frame 504 to retract the steel cables 502.

Further, the number of the connecting holes 506 on each casing 505 is two, the shape and size of the locking block 509 are matched with the shape and size of the limiting groove 507, the locking block 509 is slidably connected with the inner side surface of the rotating shaft 503, the casing 505 is riveted or bolted with a platform to be assembled and disassembled through the connecting holes 506, the locking block 509 is positioned in the rotating shaft 503 when the rotating shaft 503 rotates at a low speed, and when the rotating speed suddenly increases, the centrifugal force increases to throw out the locking block 509 and is blocked in the limiting groove 507 to limit the rotation of the rotating shaft 503.

Further, rail guard mechanism 6 is including screw post 601, hand wheel 602, connecting plate 603, guardrail bar 604 and stopper 605, the top of supporting platform 4 rotates and is connected with screw post 601, the outside surface fixedly connected with hand wheel 602 of screw post 601, the outside surface threaded connection of screw post 601 has connecting plate 603, the bottom fixedly connected with guardrail bar 604 of connecting plate 603, the one end fixedly connected with stopper 605 of guardrail bar 604, through the setting of screw post 601, hand wheel 602, connecting plate 603, guardrail bar 604 and stopper 605, in the in-process of using, through hand wheel 602 rotation screw post 601, screw post 601 and connecting plate 603 threaded connection and by a plurality of guardrail bars 604 restriction rotation, rotation screw post 601 can drive connecting plate 603 and move in the vertical direction in the surface of screw post 601, stopper 605 prevents guardrail bar 604 from coming off from supporting platform 4, and pulling guardrail bar 604 and remove on supporting platform 4, when connecting plate 603 upwards moves, guardrail bar 604 all is at supporting platform 4's top, the effect of acting as the guardrail, play the effect of guardrail bar protection to object, equipment or personnel on supporting platform 4, when connecting plate 603 moves down, the inside of supporting platform 4 can be guaranteed to the loading and unloading degree of goods can be guaranteed to the supporting platform 4.

Further, the connecting plate 603 is slidably connected with the supporting platform 4, when the connecting plate 603 moves downwards, the connecting plate 603 can be embedded into the supporting platform 4, and the flatness of the top surface of the supporting platform 4 is guaranteed so as to facilitate loading and unloading of cargoes.

Further, the guardrail bars 604 are annularly distributed at the bottom of the connecting plate 603, the guardrail bars 604 penetrate through the supporting platform 4 and are in sliding connection with the supporting platform 4, the radial dimension of the limiting block 605 is larger than that of the guardrail bars 604, the connecting plate 603 moves in the vertical direction on the surface of the threaded post 601, the guardrail bars 604 are pulled to move on the supporting platform 4, the guardrail bars 604 play a role in serving as protective barriers when all the guardrail bars 604 are positioned at the top of the supporting platform 4, and the limiting block 605 prevents the guardrail bars 604 from falling off from the supporting platform 4.

Working principle: a lifting device for constructional engineering, lifting base 1 provides stable platform in the use for support and fixed other parts, ensure lifting device's stability and security, scissors formula elevating platform 2 comprises the bracing piece of intercrossing, has formed scissors shape structure. The lifting function of the lifting platform is realized by controlling the telescopic movement of the scissor structure, the air cylinder 3 is used for providing the power of the lifting device, the lifting and descending movement of the scissor lifting platform 2 is controlled, the lifting function is realized, the supporting platform 4 is a working platform or bearing surface of the lifting device, the lifting and descending function is realized, the supporting platform 4 is used for placing and supporting objects, equipment or personnel needing to be lifted, the safety rope mechanism 5 is connected with the steel cable 502 through the mounting block 501 in the using process, one end of the steel cable 502 is connected with the supporting platform 4 for hanging, the other end of the steel cable 502 is connected with the shell 505 for supporting and limiting, one end of the steel cable 502 far away from the supporting platform 4 is fixedly connected with the rotating shaft 503 and wound on the rotating shaft 503, the rotating shaft 503 is connected with the shell 505 through the supporting frame 504, the shell 505 is riveted or bolted connection with the platform needing to be assembled and disassembled, the rotating shaft 503 can rotate on the supporting frame 504 to retract the steel cable 502, the rotating shaft 503 extends out of the shell 505, the rotating shaft 503 can directly rotate the rotating shaft 503 to retract the steel cable 502, the inner side surface of the rotating shaft 503 is connected with the locking block 509 through the tension spring 508, the locking block 509 is restrained by the tension spring 508, the locking block 509 is acted by the tension spring 509, the rotating at the end of the rotating speed of the locking block 509, the rotating down end is not greatly, the locking block 509 is connected with the rotating down end of the rotating shaft 503, the rotating down side is further in the rotating and suddenly and stopping the rotating shaft 4, the lifting and stopping mechanism is prevented from suddenly and falling down in the rotating and lowering speed of the supporting platform 4, the lifting and lowering mechanism 4, the lifting and lowering speed by the rotating safety rope 4, the lifting and lowering mechanism is further has the rotating and lowering speed by the rotating mechanism, and lowering speed is prevented by the rotating mechanism, and lowering speed is limited by the rotating and lowering mechanism. Through hand wheel 602 rotation screw thread post 601, screw thread post 601 and connecting plate 603 threaded connection and by a plurality of guardrail bars 604 restriction rotation, rotate screw thread post 601 and can drive connecting plate 603 and remove at the vertical direction in the surface of screw thread post 601, stopper 605 prevents guardrail bar 604 and drops from supporting platform 4, and pulling guardrail bar 604 removes on supporting platform 4, guardrail bar 604 all is at supporting platform 4's top when connecting plate 603 upwards moves, the effect of acting as the guardrail bar has been played, the effect of guardrail bar protection is played to object, equipment or personnel on the supporting platform 4, when connecting plate 603 moves down, connecting plate 603 can imbed supporting platform 4's inside, guarantee supporting platform 4's top surface's plane degree in order to load and unload the goods, just so accomplished a elevating gear for building engineering.

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

Claims

1. The utility model provides a elevating gear for building engineering, includes lifting base (1) and safety rope mechanism (5), and wherein safety rope mechanism (5) are including installation piece (501), steel cable (502), pivot (503), support frame (504), shell (505), connecting hole (506), spacing groove (507), extension spring (508) and locking piece (509), its characterized in that: the lifting platform is characterized in that the top of the lifting base (1) is fixedly connected with a scissor lifting platform (2), the top of the lifting base (1) is fixedly connected with an air cylinder (3), the top of the scissor lifting platform (2) is fixedly connected with a supporting platform (4), the outer side surface of the supporting platform (4) is provided with a safety rope mechanism (5), and the top surface of the supporting platform (4) is provided with a guard rail mechanism (6).

2. A lifting device for construction works according to claim 1, characterized in that: safety rope mechanism (5) are including installation piece (501), steel cable (502), pivot (503), support frame (504), shell (505), connecting hole (506), spacing groove (507), extension spring (508) and locking piece (509), the outside fixed surface of supporting platform (4) is connected with installation piece (501), the top fixedly connected with steel cable (502) of installation piece (501), the one end fixedly connected with pivot (503) of steel cable (502), the outside surface rotation of pivot (503) is connected with support frame (504), the outside fixed surface of support frame (504) is connected with shell (505), connecting hole (506) have been seted up to the outside surface of shell (505), spacing groove (507) have been seted up to the outside surface of shell (505), the inside fixed surface of pivot (503) is connected with extension spring (508), the one end fixedly connected with locking piece (509) of extension spring (508).

3. A lifting device for construction works according to claim 2, characterized in that: the number of the mounting blocks (501) is two, the mounting blocks are symmetrically distributed on the outer side surface of the supporting platform (4), and the steel cables (502) are wound on the outer side surface of the rotating shaft (503).

4. A lifting device for construction works according to claim 2, characterized in that: the number of the connecting holes (506) on each shell (505) is two, the shape and the size of the locking block (509) are matched with those of the limiting groove (507), and the locking block (509) is connected with the inner side surface of the rotating shaft (503) in a sliding mode.

5. A lifting device for construction works according to claim 1, characterized in that: the guard rail mechanism (6) comprises a threaded column (601), a hand wheel (602), a connecting plate (603), a guard rail rod (604) and a limiting block (605), the top of the supporting platform (4) is rotationally connected with the threaded column (601), the outer side surface of the threaded column (601) is fixedly connected with the hand wheel (602), the outer side surface of the threaded column (601) is in threaded connection with the connecting plate (603), the bottom of the connecting plate (603) is fixedly connected with the guard rail rod (604), and one end of the guard rail rod (604) is fixedly connected with the limiting block (605).

6. A lifting device for a building engineering according to claim 5, wherein: the connecting plate (603) is connected with the supporting platform (4) in a sliding mode.

7. A lifting device for a building engineering according to claim 5, wherein: the guardrail rods (604) are annularly distributed at the bottom of the connecting plate (603), the guardrail rods (604) penetrate through the supporting platform (4) and are in sliding connection with the supporting platform (4), and the radial size of the limiting block (605) is larger than that of the guardrail rods (604).