CN217500974U

CN217500974U - Lifting scaffold for building construction

Info

Publication number: CN217500974U
Application number: CN202221026925.XU
Authority: CN
Inventors: 张振辉; 毕江寰; 赵长宝; 陈玥; 杨斌
Original assignee: Tianjin Haisheng Petrochemical Construction And Installation Engineering Co ltd; Tianjin Zhuzong Co ltd
Current assignee: Tianjin Haisheng Petrochemical Construction And Installation Engineering Co ltd; Tianjin Zhuzong Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-09-27
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses a lifting foot hand rack for construction belongs to scaffold technical field. The utility model provides a lifting scaffold for construction, is including removing the chassis, removes the driving motor of chassis mid-mounting, and the take-up reel that driving motor output transmission is connected removes the elevating system of chassis installation, and elevating system is connected with the take-up reel transmission, the pedal of elevating system top installation. The utility model discloses an elevating system passes through the driving motor drive, highly can regulate and control according to the demand, replace the workman to squat and bow the action with elevating system altitude variation, scaffold lifting characteristic for the indoor construction has been strengthened, elevating system decides the shell at the one-level, under the tertiary elevating action that shell and tertiary movable shell were moved to the second grade, it is in the jumbo size to have realized elevating system at the state of stretching, the shrink state is in the lift effect of small-size, the transfer of scaffold frame in different rooms has been realized, thereby the convenience that scaffold frame used for the indoor construction has been improved.

Description

Lifting scaffold for building construction

Technical Field

The utility model belongs to the technical field of the scaffold frame, especially, lifting foot hand rack for construction.

Background

The scaffold is various supports erected for vertical and horizontal transportation for worker operation on a construction site, and is used for outer walls, interior decoration or places with higher floor height and incapable of direct construction on a construction site. At present, door-type scaffolds are required to be used for operations such as joint sealing and putty scraping in indoor decoration, and the door-type scaffolds have the characteristics of simplicity in disassembly and assembly, good bearing performance, safety and reliability in use and the like, and become a main choice for solving the height problem in indoor construction.

In the prior art, the door type scaffold is provided with the height-adjustable base, the structure can enable the door type scaffold to be matched with workers with different heights for use, the adjustment process needs manual cooperation of multiple persons to be completed, before construction, the workers can adjust the height of the door type scaffold to a proper position, the workers standing on the scaffold can meet the full coverage of a construction surface through the squatting and bending actions of the bodies, the defect of insufficient lifting characteristics of the existing scaffold for indoor construction is reflected, and high-strength work of the workers in the construction process is caused; in addition, the size of the door type scaffold with weak lifting characteristics is generally larger than the size of the door frame of a room, so that the scaffold needs to be frequently disassembled and assembled when being transferred in different rooms, and the scaffold for indoor construction is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model provides a lifting scaffold for construction to solve the above-mentioned problem that prior art exists.

The technical scheme is as follows: a lifting scaffold for building construction comprises a pedal, a lifting mechanism, a movable underframe, a driving motor and a take-up reel, wherein the driving motor is installed in the middle of the movable underframe, the output end of the driving motor extends to the bottom of the movable underframe, the take-up reel is connected to the output end of the driving motor in a transmission manner, the lifting mechanism is installed on the movable underframe, and the pedal is installed at the top end of the lifting mechanism;

wherein, elevating system includes motor steel cable, pillar, one-level set casing, second grade movable shell, tertiary movable shell, lift steel cable, goes up the fixed pulley and down the fixed pulley, one-level set casing fixed mounting is on removing the chassis, install the pillar in the one-level set casing, the fixed pulley is installed at the pillar top, the pillar overcoat is equipped with tertiary movable shell, be provided with the second grade movable shell between tertiary movable shell and the one-level set casing, the fixed pulley is installed to the bottom of second grade movable shell, install down the fixed pulley in the one-level set casing, the one end of motor steel cable is fixed on the take-up reel, the other end of motor steel cable passes the one-level fixed shell, passes second grade movable shell and tertiary movable shell after the fixed pulley switching-over down in proper order, fixes the interior bottom surface at tertiary movable shell through last fixed pulley switching-over again, the interior bottom surface at the one-level set casing is fixed to the one end of lift steel cable, the other end of lift steel cable passes the second grade movable shell after the fixed pulley switching-over and fixes under the tertiary movable shell An end face.

Furthermore, the number of the lifting mechanisms is four, and the four lifting mechanisms are distributed on the movable underframe in a rectangular shape.

Furthermore, the take-up reel is rotatably installed on the movable underframe, four wire slots are formed in the side wall of the take-up reel, and the four motor steel cables of the lifting mechanism are respectively wound in the four wire slots.

Furthermore, a signal receiver is installed on the movable bottom frame, a storage battery is installed on the movable bottom frame, the driving motor is electrically connected with the storage battery, the signal receiver is arranged between the storage battery and the driving motor, and the signal receiver is matched with the driving remote controller for use.

Further, the pedal comprises a pedal frame and a bearing net surface, the bearing net surface is installed on the pedal frame, and the bearing net surface is fixedly connected with the top of the three-stage movable shell.

Furthermore, a support pin is installed on the movable bottom frame.

Has the advantages that: the lifting mechanism is introduced into the scaffold for indoor construction, the lifting mechanism is driven by the driving motor, the height adjustment can be regulated and controlled according to requirements, the adjustment process is simple and rapid, therefore, the scaffold replaces the squatting and bending actions of workers by utilizing the height change of the lifting mechanism, the technical problem of full coverage of the construction surface is solved by the lifting mechanism, the labor intensity of the workers in the construction process is reduced, and the lifting characteristic of the scaffold for indoor construction is enhanced; in addition, under the three-stage lifting action of the first-stage fixed shell, the second-stage movable shell and the third-stage movable shell, the lifting mechanism achieves the lifting effect that the lifting mechanism is in a large size in an extending state and in a small size in a contracting state, meets the requirement of indoor construction height, meanwhile, the size of a scaffold in the contracting state is smaller than that of door frames of most rooms, the scaffold is transferred in different rooms, and therefore the use convenience of the scaffold for indoor construction is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the lifting mechanism of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

The reference signs are: 1. treading a pedal; 11. a pedal frame; 12. carrying a net surface; 2. a lifting mechanism; 21. a motor steel cable; 22. a pillar; 23. a first-stage shell fixing; 24. a second-stage movable shell; 25. a third-stage movable shell; 26. a lifting steel cable; 27. an upper fixed pulley; 28. a middle fixed pulley; 29. a lower fixed pulley; 3. moving the chassis; 4. a drive motor; 5. a take-up reel; 6. a signal receiver; 7. and (7) supporting the pin.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.

As shown in figure 1, the lifting scaffold for building construction comprises a pedal 1, lifting mechanisms 2, a movable underframe 3, a driving motor 4 and a take-up reel 5, wherein the movable underframe 3 is of a frame structure with universal wheels, a support pin 7 is arranged on the movable underframe 3, the movable underframe 3 enables the scaffold to conveniently move and has stable working conditions, the driving motor 4 is arranged in the middle of the movable underframe 3, the output end of the driving motor 4 extends to the bottom of the movable underframe 3, the take-up reel 5 is connected with the output end of the driving motor 4 in a transmission manner, the take-up reel 5 is rotatably arranged on the movable underframe 3, four wire slots are formed in the side wall of the take-up reel 5, the lifting mechanisms 2 are arranged on the movable underframe 3, the four lifting mechanisms 2 are four, the four lifting mechanisms 2 are distributed on the movable underframe 3 in a rectangular manner, and the four lifting mechanisms 2 are respectively matched with the four wire slots on the take-up reel 5, step 1 is installed on elevating system 2's top, and step 1 includes footboard frame 11 and bears wire side 12, installs on the footboard frame 11 and bears wire side 12, and the bearing platform of scaffold frame is stepped on 1 stable in structure as the pedal, bears the design of wire side 12 and has avoided mud to pile up the problem of skidding that leads to, and the security is better.

Install signal receiver 6 on the removal chassis 3, install the battery on the removal chassis 3, driving motor 4 and battery electric connection are provided with signal receiver 6 between battery and the driving motor 4, and signal receiver 6 cooperation drive remote controller uses, and this design provides the remote control drive scheme for elevating system 2, can single completion remove the altitude mixture control of chassis 3.

As shown in fig. 1-3, the lifting mechanism 2 comprises a motor steel cable 21, a pillar 22, a first-stage fixed shell 23, a second-stage movable shell 24, a third-stage movable shell 25, a lifting steel cable 26, an upper fixed pulley 27 and a lower fixed pulley 29, wherein the first-stage fixed shell 23 is fixedly arranged on the movable underframe 3, the pillar 22 is arranged in the first-stage fixed shell 23, the upper fixed pulley 27 is arranged at the top of the pillar 22, the third-stage movable shell 25 is sleeved outside the pillar 22, the second-stage movable shell 24 is arranged between the third-stage movable shell 25 and the first-stage fixed shell 23, the middle fixed pulley 28 is arranged at the bottom of the second-stage movable shell 24, the lower fixed pulley 29 is arranged in the first-stage fixed shell 23, one end of the motor steel cable 21 is fixed on the take-up reel 5, the other end of the motor steel cable 21 passes through the first-stage fixed shell 23, is sequentially passed through the second-stage movable shell 24 and the third-stage movable shell 25 after being reversed by the lower fixed pulley 29, and then is fixed at the inner bottom surface of the third-stage movable shell 25 by the upper fixed pulley 27, one end of the lifting steel cable 26 is fixed at the inner bottom surface of the first-stage fixed shell 23, the other end of the lifting steel cable 26 is reversed by a middle fixed pulley 28, passes through the second-stage movable shell 24 and is fixed on the lower end face of the third-stage movable shell 25, and the bearing mesh surface 12 is fixedly connected with the top of the third-stage movable shell 25; the lifting mechanism 2 realizes lifting of the scaffold under the three-level telescopic action of the first-level fixed shell 23, the second-level movable shell 24 and the third-level movable shell 25, altitude change is transferred to the lifting mechanism 2 from squatting and stooping actions of workers, the technical problem of full coverage of a construction surface is solved by the lifting mechanism 2, the labor intensity of the worker in the construction process is reduced, the lifting characteristic of the scaffold for indoor construction is enhanced, the size of the contraction state of the lifting mechanism 2 is slightly larger than that of the first-level fixed shell 23, the size of the scaffold is smaller than that of door frames of most rooms, the scaffold is transferred in different rooms, and therefore the use convenience of the scaffold for indoor construction is improved.

When the utility model is used, firstly, the scaffold in a contraction state is transported to a working site, the size structure of the scaffold in the contraction state is smaller than the size of most door frames, the scaffold is convenient to be used in indoor construction, then the scaffold is moved to a designated station through the universal wheels of the movable underframe 3, then the support pins 7 are adjusted, the working position of the scaffold is fixed, the scaffold state capable of working stably is obtained, then a worker places a construction tool on the pedal 1 and stands on the pedal 1, the worker holds the driving remote controller by hand, the driving remote controller is controlled by a button, the driving remote controller transmits a driving signal to the signal receiver 6, the signal receiver 6 receives the driving signal and then supplies the electric energy of the storage battery to the driving motor 4, the driving motor 4 drives the take-up reel 5 to rotate, four motor steel cables 21 fixed on the take-up reel 5 are rolled, and the lifting action of the lifting mechanism 2 is started, in the process, the motor steel cable 21 lifts and pulls the three-stage movable shell 25 to move upwards along the pillar 22 under the action of the lower fixed pulley 29 and the upper fixed pulley 27, when the three-stage movable shell 25 moves upwards, the lifting steel cable 26 fixed at the bottom of the three-stage movable shell 25 lifts and pulls the two-stage movable shell 24 to move upwards through the middle fixed pulley 28, the two-stage movable shell 24 provides support and position movement stabilization for the three-stage movable shell 25, when the lifting height of the lifting mechanism 2 reaches the working requirement, a worker cuts off the power supply of the storage battery to the driving motor 4 through the driving remote controller control signal receiver 6, the driving motor 4 keeps the posture of the lifting mechanism 2 stable through motor braking, the lifting mechanism 2 can be flexibly adjusted in the construction process, and the use requirement is met. In particular, the storage battery can work by adopting an external power supply or a regular charging mode.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be modified to perform various equivalent transformations, which all belong to the protection scope of the present invention.

Claims

1. The utility model provides a lifting scaffold for construction which characterized in that: the wire winding machine comprises a pedal (1), a lifting mechanism (2), a movable chassis (3), a driving motor (4) and a wire winding disc (5), wherein the driving motor (4) is installed in the middle of the movable chassis (3), the output end of the driving motor (4) extends to the bottom of the movable chassis (3), the wire winding disc (5) is connected to the output end of the driving motor (4) in a transmission mode, the lifting mechanism (2) is installed on the movable chassis (3), and the pedal (1) is installed at the top end of the lifting mechanism (2);

wherein, the lifting mechanism (2) comprises a motor steel cable (21), a pillar (22), a first-level fixed shell (23), a second-level movable shell (24), a third-level movable shell (25), a lifting steel cable (26), an upper fixed pulley (27) and a lower fixed pulley (29), the first-level fixed shell (23) is fixedly installed on the movable bottom frame (3), the pillar (22) is installed in the first-level fixed shell (23), the upper fixed pulley (27) is installed at the top of the pillar (22), the third-level movable shell (25) is sleeved outside the pillar (22), the second-level movable shell (24) is arranged between the third-level movable shell (25) and the first-level fixed shell (23), a middle fixed pulley (28) is installed at the bottom of the second-level movable shell (24), the lower fixed pulley (29) is installed in the first-level fixed shell (23), one end of the motor steel cable (21) is fixed on the take-up reel (5), and the other end of the motor steel cable (21) passes through the first-level fixed shell (23), after being reversed by the lower fixed pulley (29), the lifting steel cable sequentially passes through the second-stage movable shell (24) and the third-stage movable shell (25), is reversed by the upper fixed pulley (27) and is fixed on the inner bottom surface of the third-stage movable shell (25), one end of the lifting steel cable (26) is fixed on the inner bottom surface of the first-stage fixed shell (23), and the other end of the lifting steel cable (26) is reversed by the middle fixed pulley (28), passes through the second-stage movable shell (24) and is fixed on the lower end surface of the third-stage movable shell (25).

2. The lifting scaffold for building construction according to claim 1, wherein: the number of the lifting mechanisms (2) is four, and the four lifting mechanisms (2) are distributed on the movable bottom frame (3) in a rectangular shape.

3. The lifting scaffold for building construction according to claim 1, wherein: the take-up reel (5) is rotatably installed on the movable underframe (3), four wire grooves are formed in the side wall of the take-up reel (5), and the motor steel cables (21) of the four lifting mechanisms (2) are respectively wound in the four wire grooves.

4. The lifting scaffold for building construction according to claim 1, wherein: remove and install signal receiver (6) on chassis (3), remove and install the battery on chassis (3), driving motor (4) and battery electric connection, be provided with signal receiver (6) between battery and driving motor (4), signal receiver (6) cooperation drive remote controller uses.

5. The lifting scaffold for building construction according to claim 1, wherein: the pedal (1) comprises a pedal frame (11) and a bearing mesh surface (12) arranged on the pedal frame (11), and the bearing mesh surface (12) is fixedly connected with the top of the three-stage movable shell (25).

6. The lifting scaffold for building construction according to claim 1, wherein: and a support pin (7) is arranged on the movable underframe (3).