CN221298546U - A kind of inclined elevator shaft operating platform - Google Patents

Abstract

The utility model provides a diagonal elevator shaft operation platform, and belongs to the technical field of elevator shaft construction devices. Aiming at the problems of construction difficulty increase and inconvenient disassembly and assembly caused by uneven stress of an overhanging type operation platform in the prior art, the utility model can ensure that the operation platform is stably installed in an elevator hoistway by detachably connecting the platform mechanism with the retention mechanism, extending the height of the retention mechanism and clamping the retention mechanism at an outer wall above an elevator hoistway opening, respectively connecting the platform mechanism and the retention mechanism at two ends of the traction mechanism and connecting guard rails at two sides or at least one side of the operation platform by matching with a supporting beam arranged at the front end of the platform mechanism, thereby enhancing the safety of workers during construction. The utility model is convenient for workers to quickly install and carry among different floors, and the upright rods are extended above the elevator shaft mouth to clamp the top concrete beam to be stressed, so that the support is more stable, and the simple support type is used for replacing the overhanging type installation construction platform, thereby ensuring safer construction operation of the workers.

Description

Cable-stayed elevator shaft operation platform

Technical Field

The utility model relates to the technical field of elevator well construction devices, in particular to a diagonal elevator well operation platform.

Background

With the continuous development of society, industry and civil use in China are more and more, when building main body construction is completed, when secondary construction is carried out in an elevator shaft, on-site workers usually adopt the following two modes: firstly, a steel pipe fastener is used for erecting an operation platform, the method is that a bracket body is erected by using the steel pipe fastener from the bottom of an elevator shaft, and wood boards are paved at the position of each elevator hoistway to be used as the operation platform; secondly, the expansion bolts are used for fixing steel pipes on the peripheral shear wall and the concrete beam in each layer of elevator shaft to serve as a support body, and the wood boards are paved on the support body to serve as an operation platform.

Through retrieving, patent number is CN215331338U, the chinese patent of a simple and easy operation platform of elevator well, through setting up anchor, device and the drawknot device of encorbelmenting, anchor installs in elevator well door opening department, and the device of encorbelmenting sets up in one side that the anchor is close to elevator well door opening internal surface and extends to the well, and drawknot device one end is established at the anchor top, and the other end is established in the device of encorbelmenting and is close to elevator well wall body one side, and this prior art's material drawing and preparation are convenient, remove in a flexible way, can dismantle in a flexible way after the use, can shorten construction period.

However, the above prior art still has the following problems in use:

1. The inner end of the overhanging device and the wall body of the elevator shaft are suspended at a certain distance, no structure is used for supporting the overhanging device, the overhanging end of the operating platform is only pulled by the diagonal tension rod to bear force, and a worker can feel quite obvious shaking when stepping on the front end of the operating platform for construction, so that psychological panic feeling of the worker and high-altitude operation difficulty are increased.

2. The first fixing rod, the second fixing rod, the suspension rod and the second fixing rod in the prior art are welded, the connecting piece in the horizontal direction and the connecting piece in the vertical direction cannot be flexibly assembled and disassembled, the whole structure is large, and the carrying is inconvenient during construction between different floors.

Disclosure of utility model

The utility model aims to provide the inclined-pulling type elevator shaft operation platform which is firmly abutted with the inner wall and the outer wall of an elevator shaft during construction and is convenient to assemble and disassemble during carrying, so as to solve the technical problems in the prior art.

The utility model uses the concept and principle that the traction mechanism transmits the stress of the operation platform to the upper end of the upright rod and the bottom supporting mechanism, the upright rod is stretched to clamp the top concrete beam to provide a stress point for the steel wire rope drawknot, the front end of the operation platform is abutted on the inner wall in the elevator shaft, so that the whole device is changed from overhanging type to simple supporting type, the principle is that the load born by the operation platform is transmitted to the upright rod through the steel wire rope, one end of the operation platform is clamped on the concrete structure outside the elevator shaft, and the other end of the operation platform is abutted on the concrete structure inside the elevator shaft, thereby improving the stability of the platform as a whole and ensuring the operation safety of constructors.

The technical aim of the utility model is realized by the following technical scheme:

The inclined pulling type elevator shaft operation platform comprises a platform mechanism which is arranged in an elevator shaft along the horizontal direction, one end of the platform mechanism is erected on the ground of an elevator shaft port, and the other end of the platform mechanism is abutted against an inner wall far away from the elevator shaft port; the retaining mechanism is connected to the rear end of the platform mechanism, and the top of the retaining mechanism is clamped at the outer wall above the elevator shaft mouth; the two groups of supporting mechanisms are arranged at the bottom of the platform mechanism and are abutted against the inner wall of the elevator shaft opening; the two groups of traction mechanisms are obliquely connected between the platform mechanism and the retention mechanism.

In order to achieve the above object, a further preferred embodiment is as follows: the platform mechanism comprises two main beams and an operation plate surface, the two main beams are parallel to each other, a plurality of secondary beams perpendicular to the main beams are arranged between the two main beams, and the operation plate surface is erected at the top of the main beams.

Further preferable embodiments of the above scheme are as follows: the platform mechanism also comprises a supporting beam, wherein the supporting beam is connected to the front end of the main beam through a threaded adjusting piece and is abutted against the inner wall far away from the elevator shaft opening.

Based on the scheme, further, the top of the girder is provided with a sleeve, and the protective guard is connected to the girder through the sleeve.

Based on the above scheme, further: the retention mechanism is a door-shaped frame, and the bottom of the door-shaped frame is detachably connected to the rear end of the main beam.

Based on the above scheme, further: each group of supporting mechanism comprises a vertical rod and an inclined rod, the upper end of the vertical rod and the upper end of the inclined rod are connected to the bottom of the main beam, and the lower end of the vertical rod is connected with the lower end of the inclined rod.

Based on the above scheme, further: each group of traction mechanism comprises a hanging ring I, a hanging ring II and traction pieces, wherein the hanging ring I is arranged at the front ends of the two main beams, the hanging ring II is arranged at the upper end of the door-shaped frame, and the two ends of the traction pieces respectively penetrate through the hanging ring I and the hanging ring II and are fixed.

Based on the above scheme, further: the traction piece is a steel wire rope, and two ends of the steel wire rope are fixed through a plurality of lock catches.

By adopting the scheme, compared with the prior art, the utility model has the following beneficial technical effects:

1. The platform mechanism comprises a main beam and a secondary beam, the front end of the main beam is provided with a supporting beam, the distance between the supporting beam and the main beam is adjusted through the cooperation of a threaded adjusting piece and a screw rod, when the platform mechanism is erected at an elevator shaft, the supporting beam is abutted against the inner wall inside the elevator shaft, the supporting mode is changed from overhanging type to simple supporting type, and the supporting effect is enhanced; meanwhile, one surface of the supporting beam, which is contacted with the inner wall of the elevator shaft, is an inclined surface, so that the contact area is effectively increased, and the overall support is further stable.

2. The retention mechanism is arranged into a structure of the door-shaped frame, the upper end of the door-shaped frame is clamped on the outer wall of the outer upper end of the elevator shaft mouth, so that the steel wire rope transmits the load force borne by the operation platform to the vertical rod, the vertical rod clamps the outer wall to synchronously cooperate with the supporting beam at the front end to counteract the stress of the operation platform, the stability of the platform is integrally improved, and the operation safety of constructors is ensured.

3. The operation platform is manufactured once and reused, is convenient to install and detach, is convenient to carry and construct among different floors, and can greatly save the installation and detachment time of the operation platform.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present utility model, the drawings required in the embodiments will be briefly described below.

Fig. 1 is a schematic view of the overall structure of an inclined-pull elevator hoistway operating platform of the present utility model;

FIG. 2 is another angular schematic view of the overall structure of the present utility model;

FIG. 3 is a schematic view of the structure of the present utility model without the operation panel;

FIG. 4 is an enlarged view of the connection between the pole and the girder of the present utility model;

FIG. 5 is an enlarged detail view of the pulling mechanism of the present utility model;

FIG. 6 is a detailed view of the connection of the support beams according to the first embodiment of the present utility model;

FIG. 7 is a detailed view of the connection of the support beams according to the second embodiment of the present utility model

FIG. 8 is an enlarged view of the connection of the support beams according to the second embodiment of the present utility model;

In the figure: 1. a platform mechanism; 11. a main beam; 12. an operation panel surface; 13. a secondary beam; 14. a support beam; 15. a thread adjusting piece; 16. a sleeve; 17. a guard rail; 18. a screw; a u-shaped bracket; 2. a retention mechanism; 21. a vertical rod; 22. a cross bar; 3. a support mechanism; 31. a vertical rod; 32. a diagonal rod; 4. a pulling mechanism; 41. a hanging ring I; 42. a hanging ring II; 43. a wire rope; 44. locking; 5. a connecting lug; 6. and (5) a pin.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments, not all embodiments. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.

Referring to fig. 1-8, the utility model provides a diagonal elevator shaft operation platform, which comprises a platform mechanism 1, wherein the platform mechanism 1 is arranged in an elevator shaft in an inward extending manner along the horizontal direction from an elevator shaft opening, one end of the platform mechanism is erected on the ground of the elevator shaft opening, and the other end of the platform mechanism is abutted against an inner wall far away from the elevator shaft opening so as to ensure that the platform mechanism 1 is firmly and stably arranged; the retention mechanism 2 is connected to the rear end of the platform mechanism 1 (namely, one end close to the elevator shaft mouth), and the top of the retention mechanism 2 extends upwards to be clamped at the outer wall above the elevator shaft mouth; the two groups of supporting mechanisms 3 are arranged at the bottom of the platform mechanism 1, and the supporting mechanisms 3 are abutted against the inner wall of the elevator shaft mouth; the two groups of traction mechanisms 4 are obliquely connected between the platform mechanism 1 and the retention mechanism 2, one end of each traction mechanism 4 is connected with the upper end of the retention mechanism 2, and the other end of each traction mechanism is connected with the front end of the platform mechanism 1.

As shown in fig. 2-3, the platform mechanism 1 includes two main beams 11 and an operation panel 12, the two main beams 11 are parallel to each other, considering the carrying capacity and the transferring efficiency of the platform mechanism 1, the materials of the main beams 11 are 50mm by 3mm square steel, the length of each main beam 11 is 2.5m, a plurality of secondary beams 13 perpendicular to the main beams 11 are uniformly welded between the two main beams 11, the materials of the secondary beams 13 are 30mm by 1.5mm, the length of each secondary beam 13 is 1.2m, the operation panel 12 is erected at the top of the main beam 11, the operation panel 12 is a steel springboard, and the steel springboard is welded on the upper surface of a rectangular frame formed by the main beams 11 and the secondary beams 13.

Further, in order to enable the platform mechanism 1 to be firmly abutted against the inner wall of the elevator hoistway, the platform mechanism 1 further comprises a support beam 14, as shown in fig. 2 and 6-7, the front ends of the two main beams 11 are connected with screw rods 18, the screw rods 18 are sleeved with screw thread adjusting pieces 15 matched with the screw rods, one ends of the screw rods 18 are inserted into the main beams 11, the other ends of the screw rods 18 are welded with U-shaped brackets 19, and two ends of the support beam 14 are welded into the U-shaped brackets 19, so that the support beam 14 is connected to the front ends of the two main beams 11; the length of the screw 18 can be adjusted by rotating the screw adjusting piece 15, so that the supporting beam 14 is firmly abutted against the inner wall inside the elevator shaft.

In order to enhance the safety protection effect, the front and rear ends of the top of the main beam 11 are respectively provided with a sleeve 16, the sleeves 16 are 40mm by 40mm square steel of 1.5mm, the sleeves 16 are welded on the main beam 11, and the welded guard rail 17 is inserted into the sleeves 16 to be mounted on the main beam 11.

Preferably, the retention mechanism 2 is a door-shaped frame, the door-shaped frame comprises two upright posts 21 and a cross rod 22, the upright posts 21 and the cross rod 22 also adopt 40mm x 1.5mm square steel, as shown in fig. 4, two connecting lugs 5 are welded at the rear end of the main beam 11, connecting holes are formed in the connecting lugs 5 and the upright posts 21, and the lower ends of the two upright posts 21 are inserted between the connecting lugs 5 and fixed after penetrating through the connecting holes through pin shafts 6; when the operation platform is required to be carried, the door-shaped frame can be turned over to the platform mechanism 1 after the pin shaft 6 is loosened, so that the door-shaped frame is placed on the upper surface of the operation panel 12, and the whole size of the operation platform is reduced, so that the operation platform is convenient to move quickly.

Further, the supporting mechanism 3 comprises a vertical rod 31 and an inclined rod 32, the vertical rod 31 is welded at the position 300mm away from the vertical rod 21 at the bottom of the rear end of the main beam 11, the inclined rod 32 is welded between the bottom of the main beam 11 and the lower end of the vertical rod 31, and the inclined rod 32 and the vertical rod 31 form a right triangle, so that the stress performance of the vertical rod 31 can be improved, and the overall supporting effect is better.

In order to connect the platform mechanism 1 with the retention mechanism 2 more firmly, referring to fig. 3 and 5, the pulling mechanism 4 includes a first hanging ring 41, a second hanging ring 42 and a pulling member, the first hanging ring 41 is fixedly connected at a position about 300 mm-500 mm from the front end of the main beam 11, the second hanging ring 42 is fixedly connected at a position about 300 mm-500 mm from the top of the vertical rod 21, two ends of the pulling member respectively penetrate through the first hanging ring 41 and the second hanging ring 42 and then are fixed, specifically, as shown in fig. 3, the pulling member is a steel wire rope 43, two ends of the steel wire rope 43 are fixed through a plurality of catches 44, and in the utility model, the catches 44 at two ends of the steel wire rope 43 are two.

The following two embodiments are described in detail with respect to the specific structure of the support beam 14 of the present utility model, and it should be understood that the following two embodiments are not limiting to the present structure, and other structures having the same functions as the structure and function of the present utility model, which are obtained by those skilled in the art without inventiveness on the basis of the following structures, are all included in the scope of the present utility model.

In order to make the contact area between the supporting beam 14 and the inner wall inside the elevator shaft larger, the surface of the supporting beam 14, which is in contact with the inner wall, is set to be an inclined surface, so that when the platform mechanism 1 is installed, the contact surface of the supporting beam 14, which is abutted against the concrete structure in the elevator shaft, is a plane, and the overall supporting and stabilizing effect of the platform mechanism 1 is better.

Example 1

As shown in fig. 6, the supporting beam 14 is made of square steel 50mm by 3mm, which is the same as the main beam 11, the supporting beam 14 is welded in the U-shaped bracket 19 in a anticlockwise inclined manner by 10 degrees, and then the outer side of the U-shaped bracket 19 is welded with the screw 18 to form an integral structure with the frames of the main beam 11 and the secondary beam 13.

Example two

7-8, The supporting beam 14 is prefabricated right trapezoid steel, an included angle formed by the lower bottom of one side of the non-right angle and the waist is made into 80 degrees, the right-angle side of the supporting beam is bonded and welded in the U-shaped bracket 19, and then the U-shaped bracket 19 is welded with the screw 18 and then forms an integral structure with the frames of the main beam 11 and the secondary beam 13; the shape of the right trapezoid steel is the same as that of the first embodiment, and the effect of the inclined 10-degree welding of the right trapezoid steel and the square steel of the first embodiment is the same, so that the inclined surface is formed on the contact surface of the supporting beam 14 contacting the inner wall of the elevator shaft, and the contact area is enlarged to enable the supporting to be more stable.

The utility model relates to a diagonal elevator shaft operation platform, which is characterized in that when in specific use: the welded platform mechanism 1, the whole supporting mechanism 3, the retention mechanism 2 and the traction mechanism 4 are synchronously carried to a floor to be constructed, the vertical rod 21 is connected to the connecting lug 5 at the rear end of the main beam 11 through the pin shaft 6 and fixed, the front end of the main beam 11 and the upper end of the vertical rod 21 are respectively connected through two ends of the steel wire rope 43 and are fixed firmly through the lock catches 44, the guard rail 17 is connected to one side or two sides of the main beam 11, the whole operation platform is moved to the elevator shaft, the front end of the platform mechanism 1 and the horizontal direction extend into the elevator shaft at an inclined angle, so that the vertical rod 31 at the bottom of the platform mechanism is tightly attached to the inner wall of the elevator shaft opening, then, in the process that the platform mechanism 1 falls to the horizontal state from the inclined state, the inner wall of the elevator shaft opening is abutted to form surface contact, so that friction force between the vertical rod 14 and the inner wall of the elevator shaft is increased, meanwhile, the upper end of the vertical rod 21 is clamped on the wall outside the elevator shaft opening to form stable support, at the same time, workers can stand on the elevator shaft 12 to normally construct, the operation platform load is transferred to the elevator shaft through the steel wire rope 43, the elevator shaft is supported on the elevator shaft, the elevator structure is clamped on the elevator shaft, the other end is clamped on the elevator shaft, the concrete structure is supported on the elevator structure is supported on the outside, and the other end of the elevator structure is guaranteed, and the safety is guaranteed.

It should be understood that the above detailed description of the embodiments of the utility model, as presented in the figures, is intended to be illustrative of the utility model only and is not intended to limit the scope of the utility model as claimed, but is intended to represent only selected embodiments of the utility model. Based on the embodiments of the present utility model, some insubstantial modifications and adjustments made by those of ordinary skill in the art from the above disclosure are within the scope of the utility model.

Claims (8)

1. The utility model provides a draw formula elevator well operation platform to one side which characterized in that includes

The platform mechanism (1) is arranged in the elevator shaft along the horizontal direction, one end of the platform mechanism is erected on the ground of the elevator shaft mouth, and the other end of the platform mechanism is abutted against the inner wall far away from the elevator shaft mouth;

The retention mechanism (2) is connected to the rear end of the platform mechanism (1), and the top of the retention mechanism is clamped at the outer wall above the elevator shaft mouth;

The two groups of supporting mechanisms (3) are arranged at the bottom of the platform mechanism (1) and are abutted against the inner wall of the elevator shaft opening;

the two groups of traction mechanisms (4) are obliquely connected between the platform mechanism (1) and the retention mechanism (2).

2. The diagonal elevator hoistway operating platform according to claim 1, characterized in that the platform mechanism (1) comprises two main beams (11) and an operating panel (12), the two main beams (11) are parallel to each other, a plurality of secondary beams (13) perpendicular to the main beams (11) are arranged between the two main beams (11), and the operating panel (12) is erected at the top of the main beams (11).

3. A diagonal elevator hoistway operating platform according to claim 2, characterized in that the platform mechanism (1) further comprises a support beam (14), the support beam (14) being connected to the front end of the main beam (11) by means of a screw-threaded adjusting piece (15) and being in abutment with the inner wall remote from the hoistway mouth.

4. A diagonal elevator hoistway operating platform according to claim 3, characterized in that the top of the main beam (11) is provided with a sleeve (16), and that the protective rail (17) is connected to the main beam (11) by means of the sleeve (16).

5. A diagonal elevator hoistway operating platform according to claim 2, characterized in that the retention means (2) is a door-shaped frame, the bottom of which is detachably connected to the rear end of the main beam (11).

6. A diagonal elevator hoistway operating platform according to claim 2, characterized in that each set of supporting means (3) comprises a vertical rod (31) and a diagonal rod (32), the upper ends of the vertical rod (31) and the diagonal rod (32) are connected to the bottom of the main beam (11), and the lower end of the vertical rod (31) is connected to the lower end of the diagonal rod (32).

7. The diagonal elevator hoistway operating platform of claim 5, wherein each group of traction mechanisms (4) comprises a first hanging ring (41), a second hanging ring (42) and a traction piece, the first hanging ring (41) is arranged at the front end of the main beam (11), the second hanging ring (42) is arranged at the upper end of the door-shaped frame, and two ends of the traction piece respectively penetrate through the first hanging ring (41) and the second hanging ring (42) and are fixed.

8. The diagonal elevator hoistway operating platform of claim 6, wherein the pulling member is a wire rope (43), and both ends of the wire rope (43) are fixed by a plurality of catches (44).