Four-lifting-point electric self-lifting operation platform

Abstract

The utility model relates to the technical field of elevator steel structure shaft construction equipment, in particular to a four-lifting-point electric self-lifting operation platform which comprises an operation platform plate assembly, the operation platform plate assembly comprises a bottom platform plate, a middle platform plate and a top platform plate, and the four corners of the operation platform plate assembly are connected with connecting columns. A supporting column is arranged on one side of the connecting column, first power-off brake gear motors are arranged on the two sides of the bottom platform plate correspondingly, first top beams are symmetrically arranged above the supporting column, two lifting bases are symmetrically arranged on one side of each first top beam, a connecting table is arranged above the top platform plate, and a rotatable lifting rod is arranged in the middle of the connecting table; during hoisting operation, goods are hoisted through positive and negative rotation of the motor, the motor drives four hoisting points for supporting in the lifting process of the operation platform, the inclination of the operation platform plate assembly can be avoided, the accidental falling probability can be reduced, and the safety of construction operation personnel and surrounding personnel is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator steel structure shaft construction equipment, and specifically discloses a four-hanging-point electric self-lifting working platform. Background Art

[0002] The elevator shaft operating platform is mainly suitable for the general elevator shaft concrete structure at the construction site. The secondary structure is the operating platform and the lower protection of the construction. The common elevator shaft operating platform styles include bracket type, leg self-flipping type, ear-lifting type and elevator self-climbing type operating platform. The Chinese patent with patent number CN214658697U discloses a lifting system for the installation of shaft elevator steel structure, including a shaft frame and a construction platform assembly located in the shaft frame for lifting and lowering movement. The construction platform assembly includes a top platform, an intermediate platform and a bottom platform from top to bottom. An electric hoist is fixed on the bottom platform. A lower support beam is connected to the middle or lower position of the shaft frame. The height of the lower support beam is higher than the height of the electric hoist; the top of the step ladder support column A hanging point is provided, and the outside of the electric hoist is provided with a hoist chain A and a hoist chain B. The end of the hoist chain A is fixed to the lower support beam, and the end of the hoist chain B is fixed to the upper hanging point. The lifting movement of the construction platform assembly in the lifting system is driven by the inverted electric hoist. The roller shutter can realize the steel structure lifting operation. The construction platform assembly is divided into several layers of construction platforms, which improves the construction efficiency, construction quality and construction safety. However, the above-mentioned lifting system is lifted and lowered through one lifting point, which easily causes the construction platform assembly to tilt. When the lifting point breaks, the entire construction platform will fall, posing a threat to the safety of the construction workers. Therefore, in order to solve the above-mentioned problems, the utility model proposes a four-lifting-point electric self-lifting work platform. Utility Model Content

[0003] The utility model aims to provide a four-lifting-point electric self-lifting work platform. The first motor and the second motor used are both power-off brake reduction motors. During the lifting operation, the lifting of goods is achieved by the forward and reverse rotation of the motor. The lifting process of the work platform is driven by the motor to support the four lifting points, which can avoid the tilting of the work platform board assembly and reduce the probability of accidental falling, thereby ensuring the safety of construction workers and surrounding personnel.

[0004] The utility model is realized by the following technical solutions:

[0005] A four-hanging-point electric self-lifting work platform comprises a work platform plate assembly, wherein the work platform plate assembly comprises a bottom platform plate, a middle platform plate and a top platform plate, the four corners of the work platform plate assembly are connected with connecting columns, one side of the work platform plate assembly is provided with a reserved hole, a ladder is provided inside the reserved hole, guardrails are provided on the four upper sides of the work platform plate assembly, a support column is provided on one side of the connecting column, a first motor is provided on both sides of the bottom platform plate, a drum is provided at both ends of the first motor, and the upper ends of the two drums are provided with a plurality of support columns. A first steel wire rope is wound around each side, a first top beam is symmetrically arranged above the support column, two second top beams are symmetrically arranged between the two first top beams, a plurality of side beams are arranged below the first top beam and the second top beam, two hanging seats are symmetrically arranged on one side of the first top beam, a connecting platform is arranged above the top platform plate, a rotatable lifting rod is arranged in the middle of the connecting platform, a hanging arm is arranged above the lifting rod, a reel is arranged at one end of the hanging arm, a second steel wire rope is arranged at one end of the reel, and a second motor is arranged on one side of the reel.

[0006] As a further configuration of the above scheme, the working platform board assembly is detachably connected to the guardrail, and the working platform board assembly is detachably connected to the connecting column. A slider is provided on one side of the connecting column, and a slide groove is provided on the side of the support column close to the slider. The slider is slidably connected to the slide groove. The above design facilitates the assembly and maintenance of the working platform board assembly and the connecting column, facilitates the adjustment of the vertical position of the middle platform board, helps to limit the position of the working platform board assembly during the lifting process, avoids tilting of the working platform board assembly, facilitates the assembly of the guardrail, avoids falling of construction workers, and ensures the safety of construction workers.

[0007] As a further configuration of the above scheme, a support seat is provided on the outer side of the reel, and the support seat is rotatably connected to the reel. A first gear is provided at one end of the first motor, and a connecting shaft is provided between the two reels. A second gear is provided at one end of the connecting shaft close to the first gear, and the first gear is meshed with the gear teeth of the second gear. The hanging seat is detachably connected to the first steel wire rope. The above design facilitates the installation and maintenance of the support seat, the first battery box, the hanging seat and the first motor.

[0008] As a further arrangement of the above scheme, two connecting blocks are symmetrically arranged on one side of the three reserved holes, and the connecting blocks are detachably connected to the ladder. A mounting frame is arranged at the upper end of the ladder, and the mounting frame is detachably connected to the top platform plate, and the top platform plate is detachably connected to the connecting platform. The above design facilitates the installation and maintenance of the ladder and the connecting platform, and is convenient for construction personnel to reach each platform plate.

[0009] As a further arrangement of the above scheme, the connecting platform is slidably connected to the lower end of the support block, the support block is rotatably connected to the end of the boom close to the reel, the reel is detachably connected to the end of the boom away from the telescopic end, the second steel wire rope is wound around the inside of the reel, a support ring is provided on the outside of the second steel wire rope, the support ring is detachably connected to the boom, and the second steel wire rope is slidably connected to the support ring. The above design facilitates the adjustment of the positions of the support block, boom and reel according to usage requirements, facilitates the assembly and maintenance of the above components, and is helpful for the spare parts and construction materials in the lifting device.

[0010] As a further configuration of the above scheme, the first top beam, the second top beam and the side beam are all detachably connected to the support column, the first top beam is detachably connected to the suspension seat, the first steel wire rope and the second steel wire rope are respectively wound around the outer sides of two opposite suspension seats, the four corners of the middle platform plate and the top platform plate are provided with through holes, the first steel wire rope passes through the through holes on the same side, the above design facilitates the installation and maintenance of the first top beam, the second top beam, the side beam connecting frame and the suspension seat, and provides stable support for the lifting and lowering of the working platform plate assembly and the connecting column.

[0011] As a further configuration of the above scheme, the boom, reel, first motor and second motor are respectively controlled by terminal equipment. The above design simplifies the control method of related components and facilitates controlling the operation rhythm of the entire working platform. Beneficial Effects

[0012] During use, the utility model forms four hanging points, four slide grooves and sliding blocks by four hanging seats, which can keep the working platform board assembly and the connecting column stable during the lifting process and avoid tilting of the working platform board assembly and the connecting column. The design of multiple guardrails can avoid falling of construction workers and ensure the safety of construction workers. The use of the first motor and the connecting shaft can drive the two drums to rotate at the same time, so that the two drums can respectively retract and release the two first steel ropes to realize the lifting and lowering of the working platform board assembly and the connecting column. The design of the mounting frame, connecting block and ladder helps to fix and install the ladder while making it convenient for construction workers to reach each platform board. The combination of the connecting platform and the support block enriches the adjustment forms of the position and direction of the boom and the reel to meet personalized usage needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 is a perspective view of the utility model;

[0015] Figure 2 It is a left view of the utility model;

[0016] Figure 3 It is a combined diagram of the top platform plate, the second battery box and the connecting frame in the utility model;

[0017] Figure 4 This is a diagram of the bottom platform plate and the hanging seat in the utility model;

[0018] Figure 5 It is a disconnection diagram of the connecting column in the utility model;

[0019] Figure 6 This is a disconnected diagram of the support column in the utility model;

[0020] Figure 7 This is a connection diagram between the first motor and two gears in the utility model.

[0021] In the figure: 1. support column; 2. bottom platform plate; 3. first motor; 4. reel; 5. support seat; 6. first wire rope; 7. first gear; 8. second gear; 9. connecting shaft; 10. reserved hole; 11. guardrail; 12. connecting column; 13. slider; 14. slide groove; 15. first top beam; 16. hanging seat; 17. second top beam; 18. middle platform plate; 19. through hole; 20. top platform plate; 21. connecting platform; 22. support block; 23. reel; 24. second wire rope; 25. support ring; 26. boom; 27. connecting frame; 28. ladder; 29. ​​connecting block; 30. side beam; 31. second motor. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of this application.

[0023] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. Figures 1 to 7 , and describes the application in detail with reference to embodiments.

[0024] The embodiment discloses a four-hanging-point electric self-lifting work platform, including a work platform plate assembly, the work platform plate assembly includes a bottom platform plate 2, a middle platform plate 18 and a top platform plate 20, the four corners of the work platform plate assembly are connected with connecting columns 12, one side of the work platform plate assembly is provided with a reserved hole 10, the inside of the reserved hole 10 is provided with a ladder 28, the four upper sides of the work platform plate assembly are provided with guardrails 11, one side of the connecting column 12 is provided with a support column 1, the two sides of the bottom platform plate 2 are provided with a first motor 3, the two ends of the first motor 3 are provided with a reel 4, and the tops of the two reels 4 are wound A first steel wire rope 6 is provided, a first top beam 15 is symmetrically provided above the support column 1, two second top beams 17 are symmetrically provided between the two first top beams 15, a plurality of side beams 30 are provided below the first top beam 15 and the second top beam 17, two hanging seats 16 are symmetrically provided on one side of the first top beam 15, a connecting platform 21 is provided above the top platform plate 20, a rotatable lifting rod is provided in the middle of the connecting platform 21, a hanging arm 26 is provided above the lifting rod, a reel 23 is provided at one end of the hanging arm 26, a second steel wire rope 24 is provided at one end of the reel 23, and a second motor 31 is provided on one side of the reel 23.

[0025] like Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6 As shown, the working platform board assembly is detachably connected to the guardrail 11, and the working platform board assembly is detachably connected to the connecting column 12. A slider 13 is provided on one side of the connecting column 12, and a slide groove 14 is provided on the side of the support column 1 close to the slider 13. The slider 13 is slidably connected to the slide groove 14. The above design facilitates the assembly and maintenance of the working platform board assembly and the connecting column 12, and facilitates the adjustment of the vertical position of the middle platform board 18, which helps to limit the position of the working platform board assembly during the lifting process, avoids the tilting of the working platform board assembly, facilitates the assembly of the guardrail 11, avoids the construction workers from falling, and ensures the safety of the construction workers.

[0026] like Figure 1 and Figure 2 As shown, a support seat 5 is provided on the outer side of the reel 4, and the support seat 5 is rotatably connected to the reel 4. A first gear 7 is provided at one end of the first motor 3, and a connecting shaft 9 is provided between the two reels 4. A second gear 8 is provided at one end of the connecting shaft 9 close to the first gear 7. The first gear 7 is meshed with the gear teeth of the second gear 8, and the hanging seat 16 is detachably connected to the first steel wire rope 6. The above design facilitates the installation and maintenance of the support seat 5, the first battery box, the hanging seat 16 and the first motor 3.

[0027] like Figure 1 , Figure 2 and Figure 3 As shown, two connecting blocks 29 are symmetrically arranged on one side of the three reserved holes 10, and the connecting blocks 29 are detachably connected to the ladder 28. A mounting frame is arranged on the upper end of the ladder 28, and the mounting frame is detachably connected to the top platform plate 20. The top platform plate 20 is detachably connected to the connecting platform 21. The above design facilitates the installation and maintenance of the ladder 28 and the connecting platform 21, and is convenient for construction workers to reach each platform plate.

[0028] like Figure 1 and Figure 2 As shown, the connecting platform 21 is slidably connected to the lower end of the support block 22, the support block 22 is rotatably connected to the end of the boom 26 close to the reel 23, the reel 23 is detachably connected to the end of the boom 26 away from the telescopic end, the second steel wire rope 24 is wound around the inside of the reel 23, a support ring 25 is provided on the outer side of the second steel wire rope 24, the support ring 25 is detachably connected to the boom 26, and the second steel wire rope 24 is slidably connected to the support ring 25. The above design facilitates the adjustment of the positions of the support block 22, the boom 26 and the reel 23 according to usage requirements, facilitates the assembly and maintenance of the above components, and helps to hoist the parts and construction materials in the lifting device.

[0029] like Figure 1 and Figure 2 As shown, the first top beam 15, the second top beam 17 and the side beam 30 are all detachably connected to the support column 1, the first top beam 15 is detachably connected to the suspension seat 16, the first steel wire rope 6 and the second steel wire rope 24 are respectively wound around the outer sides of the two opposite suspension seats 16, the four corners of the middle platform plate 18 and the top platform plate 20 are each provided with a through hole 19, the first steel wire rope 6 passes through the through hole 19 on the same side, the above design facilitates the installation and maintenance of the first top beam 15, the second top beam 17, the side beam 30 connecting frame 27 and the suspension seat 16, and provides stable support for the lifting and lowering of the working platform plate assembly and the connecting column 12.

[0030] like Figure 1 and Figure 2 As shown, the boom 26, the reel 23, the first motor 3 and the second motor 31 are respectively controlled by the terminal device, which simplifies the control method of the relevant components and facilitates the control of the operation rhythm of the entire working platform.

[0031] The four-hanging-point electric self-lifting work platform disclosed in this embodiment is used by multiple groups of construction workers. Before use, the four support columns 11 are respectively installed on both sides of the elevator shaft, and then the various components are assembled together according to the design to form a complete electric self-lifting work platform. The construction workers go down to the top of the top platform plate 20 via the external ladder 28, adjust the position and direction of the support block 22, the reel 23 and the boom 26, start the second motor 31 of the terminal device to drive the reel 23 to release a certain length of the second steel wire rope 24, and when another group of construction workers stably connect one end of the second steel wire rope 24 to the parts to be lifted and the construction parts, use the terminal device to start the second motor 31 of the terminal device to start the second steel wire rope 24. The terminal device controls the second motor 31 to drive the reel 23 to reverse and lift the parts and construction components to the top platform, then turns off the second motor 31. Construction personnel use the ladder 28 to go down to the middle platform plate 18 and the bottom platform plate 2 according to construction needs to perform related construction work, and transfer the parts and construction components to the middle platform plate 18 and the bottom platform plate 2 through the reserved holes 10. When the working height needs to be adjusted, the terminal device is used to start the forward or reverse rotation of the first motor 3 to make the reel 4 release or reel in the first wire rope 6. When releasing, the working platform plate assembly and the connecting column 12 descend, and when reeling, the working platform plate assembly and the connecting column 12 rise, which is convenient for construction work at different vertical positions of the elevator shaft.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A four-lifting-point electric self-lifting work platform, comprising a work platform plate assembly, characterized in that: The work platform plate assembly comprises a bottom platform plate, a middle platform plate and a top platform plate, the four corners of the work platform plate assembly are connected with connecting columns, one side of the work platform plate assembly is provided with a reserved hole, a ladder is provided inside the reserved hole, four sides above the work platform plate assembly are provided with guardrails, one side of the connecting column is provided with a supporting column, both sides of the bottom platform plate are provided with a first motor, both ends of the first motor are provided with a reel, the tops of the two reels are both wound with a first steel wire rope, a first top beam is symmetrically provided above the supporting column, two second top beams are symmetrically provided between the two first top beams, a plurality of side beams are provided below the first top beam and the second top beam, two suspension seats are symmetrically provided on one side of the first top beam, a connecting platform is provided above the top platform plate, a rotatable hoisting rod is provided in the middle of the connecting platform, a lifting arm is provided above the lifting rod, a reel is provided at one end of the lifting arm, a second steel wire rope is provided at one end of the reel, and a second motor is provided on one side of the reel.

2. The four-lifting-point electric self-lifting work platform according to claim 1, characterized in that: The working platform board assembly is detachably connected to the guardrail, and the working platform board assembly is detachably connected to the connecting column. A sliding block is provided on one side of the connecting column, and a sliding groove is provided on the side of the supporting column close to the sliding block, and the sliding block is slidably connected to the sliding groove.

3. The four-lifting-point electric self-elevating work platform according to claim 1, characterized in that: A support seat is provided on the outer side of the reel, and the support seat is rotatably connected to the reel. A first gear is provided at one end of the first motor, a connecting shaft is provided between the two reels, and a second gear is provided at one end of the connecting shaft close to the first gear. The first gear is meshed with the gear teeth of the second gear, and the hanging seat is detachably connected to the first wire rope.

4. The four-lifting-point electric self-lifting work platform according to claim 1, characterized in that: Two connecting blocks are symmetrically arranged on one side of the three reserved holes, and the connecting blocks are detachably connected to the ladder. A mounting frame is arranged on the upper end of the ladder, and the mounting frame is detachably connected to the top platform plate, and the top platform plate is detachably connected to the connecting platform.

5. The four-lifting-point electric self-lifting work platform according to claim 1, characterized in that: The connecting platform is slidably connected to the lower end of the support block, the support block is rotatably connected to the end of the boom close to the reel, the reel is detachably connected to the end of the boom away from the telescopic end, the second steel wire rope is wound around the inside of the reel, a support ring is provided on the outside of the second steel wire rope, the support ring is detachably connected to the boom, and the second steel wire rope is slidably connected to the support ring.

6. The four-lifting-point electric self-elevating work platform according to claim 1, characterized in that: The first top beam, the second top beam and the side beam are all detachably connected to the support column, the first top beam is detachably connected to the suspension seat, the first steel wire rope and the second steel wire rope are respectively wound around the outsides of two opposite suspension seats, the four corners of the middle platform plate and the top platform plate are provided with through holes, and the first steel wire rope passes through the through holes on the same side.

7. The four-lifting-point electric self-elevating work platform according to claim 1, characterized in that: The boom, the reel, the first motor and the second motor are respectively controlled by the terminal device.

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