CN116281780A

CN116281780A - Hoisting platform in elevator well

Info

Publication number: CN116281780A
Application number: CN202310481559.XA
Authority: CN
Inventors: 王培乐; 马运德; 黄克辉; 金明; 马祖勇
Original assignee: Qingdao Changyong Elevator Engineering Co ltd
Current assignee: Qingdao Changyong Elevator Engineering Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-06-23

Abstract

The invention relates to the technical field of elevator installation, and discloses a hoisting lifting platform in an elevator hoistway, which comprises a derrick, wherein the derrick is assembled by a vertical pile, a connecting pile, a cross rod, side rods and connecting plates, a long hanging frame is installed in the derrick, the upper surface of the long hanging frame is fixedly connected with a support frame, a hoisting table is installed on the upper surface of the support frame, a crane system is installed on the upper surface of the hoisting table, a lifting hook is installed at a lifting rope of the crane system, the long hanging frame, the support frame, the hoisting table and the crane system form a construction platform, pulley block hoisting components for lifting the long hanging frame, the support frame, the hoisting table and the crane system are installed in the construction platform, and telescopic branch pipes are in sliding fit with two opposite side walls of the hoisting table; the sustainable and stable lifting of the construction platform is realized through the pulley block hoisting assembly; in the lifting process of the construction platform, the telescopic branch pipes are lapped on the side rods, so that the construction platform has stable support, the lifting safety is ensured by the mode, and the lifting distance is not limited by the device, so that the lifting platform is suitable for the elevator installation of different floor heights.

Description

Hoisting platform in elevator well

Technical Field

The invention relates to the technical field of elevator installation, in particular to an inner coil lifting platform of an elevator shaft.

Background

The elevator is installed in the old community, which is beneficial to the traveling of middle-aged and old people and people with inconvenient activities and is beneficial to improving the use function of old residence.

The invention discloses hoisting equipment in China patent application with publication number of CN113443563A, which comprises a hoisting platform arranged in a hoistway and a hoisting driving mechanism for driving the hoisting platform to move up and down in the hoistway, wherein the hoisting platform is used for installing a bridge box driving device for driving a bridge box of an elevator in the hoistway to move up and down; when the bridge box driving device is required to be lifted and moved in the well, the lifting driving mechanism drives the lifting platform to drive the bridge box driving device to lift and move in the well; when the bridge box driving device and the well elevator bridge box are in a working state, the hoisting platform is fixedly arranged in the well, and the equipment can automatically lift and carry the bridge box driving device in the well.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: the lifting equipment in the elevator hoistway is usually used for installing a lift car and a lift car driving device, lifting and erection of an elevator steel frame cannot be carried out, a traditional lifting mode of the elevator steel frame in an old community is usually that a scissor type lifter is arranged in the elevator steel frame, a crane system is additionally arranged at the top of the scissor type lifter, the crane system lifts and lifts an elevator steel frame component, the elevator steel frame is built in cooperation with manual work, the lifting mode is limited by the lifting height of the scissor type lifter, and the installation is inconvenient when the floor is slightly higher; therefore, a hoisting platform for hoisting and lifting in an elevator hoistway is provided.

Disclosure of Invention

In order to solve the technical problems that a scissor type lifter is usually placed in an elevator steel frame, a crane system is additionally arranged at the top of the scissor type lifter, the crane system lifts an elevator steel frame component, the elevator steel frame is constructed in a matched manner, the lifting mode is limited by the lifting height of the scissor type lifter, and the installation is not convenient enough when the floor is slightly higher, the invention provides a lifting platform for lifting in an elevator hoistway.

The invention is realized by adopting the following technical scheme: the utility model provides a hoist and mount lift platform in elevator well, includes the derrick, and the derrick is assembled by upright pile, connecting pile, horizontal pole, side lever and connecting plate, derrick internally mounted has long stores pylon, and fixed surface is connected with the support frame on the long stores pylon, and surface mounting has the hoist table on the support frame, and hoist table upper surface mounting has a loop wheel machine system, and hoist system lifting rope department installs the lifting hook, long stores pylon, support frame, hoist table and loop wheel machine system form construction platform, and construction platform internally mounted has the assembly pulley hoist assembly with its lifting, and hoist table relative both sides wall sliding fit has two sets of telescopic tube that are used for taking by the side lever.

According to the technical scheme, after the elevator steel frame is assembled and built through the vertical piles, the connecting piles, the cross bars, the side rods and the connecting plates, the construction platform is lifted to the top of the steel frame through the pulley block winch assembly, and then the telescopic branch pipes extend out and are supported on the side rods, so that the construction platform has stable support; after the construction platform supports stably, connecting piles, cross bars, side bars and connecting plates are continuously additionally arranged at the top of an elevator steel frame, heightening of the elevator steel frame is achieved, after heightening is finished, a hanging end of a pulley block hoisting assembly is lifted to the side bars after heightening through a crane system and a lifting hook, telescopic branch pipes are retracted, the pulley block hoisting assembly works to achieve sustainable lifting of the construction platform, lifting safety is guaranteed in the mode, lifting distance is not limited by the device, and the elevator lifting platform is suitable for being additionally arranged in elevators with different floor heights.

As the further improvement of above-mentioned scheme, assembly pulley hoist assembly includes hoist engine, indulges round, leading wheel, first stores pylon, second stores pylon and wire rope, and long stores pylon upper surface mounting hoist engine, two sets of indulges the round in both ends face all are installed around the long stores pylon, and two sets of leading wheels are still installed to long stores pylon upper surface, two sets of stores pylon indulges the round in first stores pylon side wall, two sets of stores pylon transverse wheel are installed to second stores pylon side wall, first stores pylon and second stores pylon all hang in side lever department, install wire rope between hoist engine and leading wheel, stores pylon indulge round, the stores pylon transverse wheel.

Through the technical scheme, when lifting the construction platform, the winch works, the steel wire rope is wound through the guide wheel, the hanging frame longitudinal wheel, the longitudinal wheel and the hanging frame transverse wheel, and the long hanging frame and the hanging platform are stably lifted, so that the stable lifting of the construction platform is realized.

As a further improvement of the scheme, the upper surfaces of the first hanging frame and the second hanging frame are fixedly connected with two groups of hanging buckles, hanging holes are further formed in the upper surfaces of the first hanging frame and the second hanging frame, and the hanging hooks are matched with the hanging holes.

Through above-mentioned technical scheme, when construction platform risees to limited height, telescopic branch stretches out, and telescopic branch takes on the side lever, and construction platform supports stably after, continues to build the connecting pile, after finishing building, loop wheel machine system work, hangs first stores pylon and second stores pylon in upper strata and connects stake top side lever department through lifting hook and hanging hole, realizes the elevation of the longitudinal wheel of stores pylon and the horizontal wheel of stores pylon, the subsequent construction platform lifting of being convenient for.

As a further improvement of the scheme, the guide rail is arranged on the inner wall of the derrick, and sliding sleeves are arranged on the two opposite side walls of the long hanging frame and the lifting table and are in sliding fit with the guide rail.

Through above-mentioned technical scheme, through setting up sliding sleeve and guide rail, let this construction platform have stable spacing in the lift in-process, appear rocking when avoiding going up and down.

As a further improvement of the scheme, the lifting platform is provided with telescopic grooves on two opposite side walls, the telescopic branch pipes are in sliding fit with the telescopic grooves, side grooves are formed in the side walls of the telescopic grooves, and a handle is fixedly connected to one side wall of each telescopic branch pipe.

Through the technical scheme, a worker on the construction platform can manually pull the handle to pull out the telescopic branch pipe for supporting or to retract the telescopic branch pipe into the telescopic groove.

As the further improvement of above-mentioned scheme, the expansion tank has all been seted up to the relative both sides wall of hoist and mount platform, installs two-way lead screw between two sets of expansion tanks, two-way lead screw simultaneously with two sets of telescopic branch pipe screw-thread fit, hoist and mount platform internally mounted has biax motor, and two output of biax motor all are connected with the bull stick, and initiative tooth is installed to bull stick one end, driven tooth is installed to two-way lead screw Zhou Cemian, initiative tooth and driven tooth meshing.

Through above-mentioned technical scheme, biax motor work drives two sets of bull sticks and rotates, and two sets of initiative teeth are rotatory, and initiative tooth cooperation driven tooth lets two sets of two-way lead screws rotate simultaneously, and two-way lead screw and flexible branch pipe screw thread fit to realize the automatic flexible of four flexible branch pipes, use manpower sparingly more.

As a further improvement of the scheme, a protection component for preventing the construction platform from falling is further arranged on the bottom surface of the long hanging frame.

As the further improvement of above-mentioned scheme, the protection component includes chassis, rotor plate, limiting plate and extension spring, chassis fixed mounting is in long stores pylon bottom surface, and both ends face all rotates the installation rotor plate around the chassis, and the terminal surface is fixed limiting plate behind the rotor plate, and the limiting plate is triangle-shaped plate structure, installs the extension spring between two sets of limiting plates, and both ends face still slidable mounting has the pull rod around the long stores pylon, and the pull rod both sides wall all is provided with the connecting piece, is connected with the stay cord between connecting piece and the rotor plate.

Through the technical scheme, when the construction platform is lifted, the two groups of limiting plates extrude the side rods and pull the tension springs, so that the rotating plate is in a vertical state, and the lifting of the construction platform is not blocked; when the construction platform falls, the underframe limits the limiting plate, and the rotating plate stably leans against the side rod below, so that the falling of the construction platform is effectively avoided when equipment fails, and the safety of constructors is ensured.

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

1. according to the hoisting platform for hoisting in the elevator shaft, the long hanging frame and the hoisting platform can be stably lifted through the pulley block hoisting assembly, so that the sustainable stable hoisting of the construction platform is realized; in the lifting process of the construction platform, the telescopic branch pipes are lapped on the side rods, so that the construction platform has stable support, the lifting safety is ensured by the mode, and the lifting distance is not limited by the device, so that the lifting platform is suitable for the elevator installation of different floor heights.

2. According to the hoisting platform for hoisting in the elevator shaft, the double-shaft motor works to drive the two groups of rotating rods to rotate, the gear sets are matched, the two groups of bidirectional screw rods simultaneously rotate, the bidirectional screw rods are matched with the telescopic branch pipes in a threaded manner, automatic telescopic of the four telescopic branch pipes is achieved, and labor is saved.

Drawings

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

FIG. 2 is a schematic diagram of a front view of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure A-A in FIG. 2;

FIG. 4 is a schematic cross-sectional view of a second embodiment of a lifting platform;

FIG. 5 is a schematic view of a vertical structure of a hoisting platform;

FIG. 6 is a schematic view of a structure of a lifting platform with a protective component;

fig. 7 is a schematic view of the left-side perspective structure of the present invention.

Main symbol description:

1. standing piles; 101. connecting piles; 2. a cross bar; 201. a side bar; 3. a connecting plate; 4. a long hanging rack; 5. a support frame; 6. a hoisting table; 601. a telescopic slot; 602. a telescopic branch pipe; 7. a crane system; 8. a lifting hook; 9. a hoist; 10. a longitudinal wheel; 11. a guide wheel; 12. a first hanger; 1201. a hanging rack longitudinal wheel; 13. a second hanger; 1301. a hanging rack transverse wheel; 14. a wire rope; 15. a hanging hole; 16. hanging buckle; 17. a biaxial motor; 18. a rotating rod; 19. a driving tooth; 20. a two-way screw rod; 21. driven teeth; 22. a sliding sleeve; 23. a guide rail; 24. a side groove; 25. a handle; 26. a chassis; 27. a rotating plate; 28. a limiting plate; 29. a tension spring; 30. a pull rod; 31. and (5) pulling the rope.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

Example 1: referring to fig. 1-7, a hoisting platform for hoisting in an elevator hoistway of the present embodiment includes a derrick, the derrick is assembled by a vertical pile 1, a connecting pile 101, a cross bar 2, a side bar 201 and a connecting plate 3, a long hanging frame 4 is installed in the derrick, a support frame 5 is fixedly connected to the upper surface of the long hanging frame 4, a hoisting table 6 is installed on the upper surface of the support frame 5, a crane system 7 is installed on the upper surface of the hoisting table 6, a lifting hook 8 is installed at a lifting rope of the crane system 7, and the long hanging frame 4, the support frame 5, the hoisting table 6 and the crane system 7 form a construction platform; the upper surface of the long hanging frame 4 is provided with a winch 9, two groups of longitudinal wheels 10 are arranged on the front end surface and the rear end surface of the long hanging frame 4, two groups of guide wheels 11 are also arranged on the upper surface of the long hanging frame 4, two groups of hanging frame longitudinal wheels 1201 are arranged on one side wall of the first hanging frame 12, two groups of hanging frame transverse wheels 1301 are arranged on one side wall of the second hanging frame 13, and steel wire ropes 14 are arranged between the winch 9 and the guide wheels 11, the hanging frame longitudinal wheels 1201, the longitudinal wheels 10 and the hanging frame transverse wheels 1301; the two opposite side walls of the hoisting table 6 are provided with telescopic grooves 601, telescopic branch pipes 602 are slidably matched in the telescopic grooves 601, side grooves 24 are formed in the side walls of the telescopic grooves 601, and a handle 25 is fixedly connected to one side wall of each telescopic branch pipe 602; the upper surfaces of the first hanging frame 12 and the second hanging frame 13 are fixedly connected with two groups of hanging buckles 16, the first hanging frame 12 and the second hanging frame 13 are hung at the side rods 201 through the hanging buckles 16, hanging holes 15 are further formed in the upper surfaces of the first hanging frame 12 and the second hanging frame 13, and the hanging hooks 8 are matched with the hanging holes 15; the guide rail 23 is installed on the inner wall of the derrick, and the sliding sleeves 22 are installed on the two opposite side walls of the long hanging frame 4 and the hanging table 6, and the sliding sleeves 22 are in sliding fit with the guide rail 23.

The elevator steel frame is assembled and built through a vertical pile 1, a connecting pile 101, a cross rod 2, a side rod 201 and a connecting plate 3, the vertical pile 1 is built into an elevator steel frame base, mounting plates are fixedly connected to the adjacent inner side walls of the vertical pile 1 and the connecting pile 101, mounting holes are formed in the mounting plates, the mounting holes are used for assembling the cross rod 2 and the side rod 201, and the connecting pile 101 is connected with the vertical pile 1 through the connecting plate 3; after the elevator steel frame is built, the lifting hook 8 is moved by operating the crane system 7, the lifting hook 8 is hung at the lifting hole 15, the first hanging frame 12 and the second hanging frame 13 are respectively hung at the side rod 201 at the top of the upper-layer connecting pile 101, the winch 9 works, the steel wire rope 14 is wound through the guide wheel 11, the hanging frame longitudinal wheel 1201, the longitudinal wheel 10 and the hanging frame transverse wheel 1301, and the long hanging frame 4 and the lifting table 6 are stably lifted; when the construction platform rises to a limited height, a constructor stretches out the telescopic branch pipes 602 through the handles 25, and the telescopic branch pipes 602 are supported on the side rods 201, so that the construction platform is stably supported; after the construction platform supports stably, the connecting piles 101 are continuously built, after the construction is completed, the crane system 7 works, and the first hanging frame 12 and the second hanging frame 13 are hung at the side rods 201 at the top of the upper connecting piles 101 through the hanging hooks 8 and the hanging holes 15, so that the lifting of the hanging frame longitudinal wheels 1201 and the hanging frame transverse wheels 1301 is realized.

Example 2: please combine fig. 3, the hoist and mount platform 6 has all seted up flexible groove 601 relative both sides wall, installs two-way lead screw 20 between two sets of flexible grooves 601, and two-way lead screw 20 simultaneously with two sets of flexible branch pipes 602 screw-thread fit, hoist and mount platform 6 internally mounted has biax motor 17, and biax motor 17 both outputs all are connected with bull stick 18, and initiative tooth 19 is installed to bull stick 18 one end, and driven tooth 21 is installed to two-way lead screw 20 week side, and initiative tooth 19 and driven tooth 21 meshing.

The double-shaft motor 17 works to drive the two groups of rotating rods 18 to rotate, the two groups of driving teeth 19 rotate, the driving teeth 19 are matched with the driven teeth 21, the two groups of bidirectional screw rods 20 rotate simultaneously, and the bidirectional screw rods 20 are in threaded fit with the telescopic branch pipes 602, so that automatic telescopic of the four telescopic branch pipes 602 is realized

Example 3: referring to fig. 6, the bottom surface of the long hanging rack 4 is fixedly provided with a bottom frame 26, front and rear end surfaces of the bottom frame 26 are rotatably provided with rotating plates 27, rear end surfaces of the rotating plates 27 are fixedly provided with limiting plates 28, the limiting plates 28 are triangular plate structures, the thickness of each limiting plate 28 is suitable for the width of a column body of the bottom frame 26, tension springs 29 are arranged between the two groups of limiting plates 28, the front and rear end surfaces of the long hanging rack 4 are also slidably provided with pull rods 30, two side walls of each pull rod 30 are respectively provided with a connecting piece, and pull ropes 31 are connected between the connecting pieces and the rotating plates 27.

When the construction platform is lifted, the two groups of limiting plates 28 squeeze the side rods 201, pull the tension springs 29, and enable the rotating plate 27 to be in a vertical state, so that the lifting of the construction platform is not blocked; when the construction platform falls, the underframe 26 limits the limiting plate 28, the rotating plate 27 stably leans against the side rod 201 below, and the falling of the construction platform is effectively avoided when equipment fails; when the construction platform needs to be lowered, the pull rod 30 is pulled, and the rotating plate 27 is retracted through the pull rope 31, so that the construction platform can be lowered.

The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.

Claims

1. The utility model provides a hoist and mount lift platform in elevator well, includes the derrick, and the derrick is assembled by upright pile (1), connecting pile (101), horizontal pole (2), side lever (201) and connecting plate (3), its characterized in that, derrick internally mounted has long stores pylon (4), and fixed surface has support frame (5) on long stores pylon (4), and surface mounting has hoist table (6) on support frame (5), and hoist table (6) upper surface mounting has hoist system (7), and hoist system (7) lifting rope department installs lifting hook (8), long stores pylon (4), support frame (5), hoist table (6) and hoist system (7) form construction platform, and construction platform internally mounted has the assembly pulley hoist subassembly of its lifting, and hoist table (6) relative both sides wall sliding fit has two sets of telescopic branch pipes (602) that are used for taking by side lever (201).

2. The hoisting platform for hoisting in the elevator hoistway according to claim 1, wherein the pulley block hoisting assembly comprises a hoisting machine (9), longitudinal wheels (10), guide wheels (11), a first hanging frame (12), a second hanging frame (13) and a steel wire rope (14), the hoisting machine (9) is installed on the upper surface of the long hanging frame (4), two groups of longitudinal wheels (10) are installed on the front end face and the rear end face of the long hanging frame (4), two groups of guide wheels (11) are also installed on the upper surface of the long hanging frame (4), two groups of hanging frame longitudinal wheels (1201) are installed on one side wall of the first hanging frame (12), two groups of hanging frame transverse wheels (1301) are installed on one side wall of the second hanging frame (13), the hoisting machine (9) is hung on the side rods (201), and the steel wire rope (14) is installed between the hoisting machine (9) and the guide wheels (11), the hanging frame longitudinal wheels (1201), the longitudinal wheels (10) and the hanging frame transverse wheels (1301).

3. The hoisting platform for hoisting in an elevator hoistway according to claim 2, wherein the upper surfaces of the first hanging frame (12) and the second hanging frame (13) are fixedly connected with two groups of hanging buckles (16), hanging holes (15) are further formed in the upper surfaces of the first hanging frame (12) and the second hanging frame (13), and the hanging hooks (8) are matched with the hanging holes (15).

4. A hoisting platform for hoisting in an elevator shaft as claimed in claim 1, characterized in that the inner wall of the derrick is provided with a guide rail (23), the opposite side walls of the long hanging frame (4) and the hoisting table (6) are provided with sliding sleeves (22), and the sliding sleeves (22) are in sliding fit with the guide rail (23).

5. The hoisting platform for hoisting in the elevator hoistway according to claim 1, wherein the hoisting platform (6) is provided with telescopic grooves (601) on two opposite side walls, the telescopic branch pipes (602) are in sliding fit with the telescopic grooves (601), the side walls of the telescopic grooves (601) are provided with side grooves (24), and one side wall of each telescopic branch pipe (602) is fixedly connected with a handle (25).

6. The hoisting platform for hoisting in an elevator hoistway according to claim 1, wherein the hoisting platform (6) is provided with telescopic grooves (601) on two opposite side walls, two groups of telescopic grooves (601) are provided with two groups of bidirectional screw rods (20), the bidirectional screw rods (20) are in threaded fit with two groups of telescopic branch pipes (602) simultaneously, the hoisting platform (6) is internally provided with a double-shaft motor (17), two output ends of the double-shaft motor (17) are connected with rotating rods (18), one end of each rotating rod (18) is provided with driving teeth (19), each bidirectional screw rod (20) Zhou Cemian) is provided with driven teeth (21), and each driving tooth (19) is meshed with each driven tooth (21).

7. A hoisting lifting platform in an elevator hoistway as claimed in claim 1, characterized in that the bottom surface of the long hanger (4) is also provided with a protective assembly for preventing the construction platform from falling.

8. The hoisting platform for hoisting in the elevator hoistway according to claim 7, wherein the protection component comprises a bottom frame (26), a rotating plate (27), limiting plates (28) and tension springs (29), the bottom frame (26) is fixedly installed on the bottom surface of the long hanging frame (4), the rotating plate (27) is rotatably installed on the front end surface and the rear end surface of the bottom frame (26), the limiting plates (28) are fixed on the rear end surface of the rotating plate (27), the limiting plates (28) are of triangular plate structures, the tension springs (29) are installed between the two limiting plates (28), pull rods (30) are slidably installed on the front end surface and the rear end surface of the long hanging frame (4), connecting pieces are arranged on the two side walls of the pull rods (30), and pull ropes (31) are connected between the connecting pieces and the rotating plate (27).