Elevator shaft lifting operation platform frame

Abstract

The utility model provides an elevator shaft lifting operation platform frame which comprises a platform frame body, lifting lugs and lying feet, the lifting lugs are fixedly connected to the platform frame body, and the lying feet are movably connected to the platform frame body; each lying leg comprises a lying leg main body, a high-strength bolt and an inner limiting piece, the lying leg main body is movably connected with the platform frame main body through the high-strength bolt, and the inner limiting piece is arranged below the platform frame main body; when the lying foot main body is in a horizontal state, the inner side end of the lying foot main body is lapped on the inner limiting piece, and the outer side end of the lying foot main body is lapped in a reserved hole in a hoistway structure; and the connecting point of the high-strength bolt and the bending foot main body is closer to the inner side end. The elevator shaft lifting operation platform frame is suggested by using I-shaped steel, channel steel and other components, can be suitable for various environments of construction sites, and is low in implementation cost.

Description

Technical Field

[0001] The utility model relates to the technical field of construction equipment, and particularly relates to a lifting operation platform frame for an elevator shaft. Background Technique

[0002] In a construction site, a lifting mechanism is often required to lift building materials. The existing lifting mechanisms are mainly special elevators for construction sites. However, the use cost of such elevators is relatively high, and the environmental requirements for construction sites are relatively high. In some areas, it is not suitable to install special elevators for construction sites. There is a need to provide a simple lifting operation platform frame for construction sites. Content of the Utility Model

[0003] In order to solve the technical problems existing in the above background technique, the utility model provides a lifting operation platform frame for an elevator shaft, which includes a platform frame main body, lifting lugs, and outriggers. The lifting lugs are fixedly connected to the platform frame main body, and the outriggers are movably connected to the platform frame main body;

[0004] The outrigger includes an outrigger main body, high-strength bolts, and inner limit members. The outrigger main body is movably connected to the platform frame main body through the high-strength bolts, and the inner limit members are arranged below the platform frame main body; when the outrigger main body is in a horizontal state, the inner end of the outrigger main body is supported on the inner limit members, and the outer end of the outrigger main body is supported in a reserved hole in the shaft structure; moreover, the connection point of the high-strength bolts and the outrigger main body is closer to the inner end.

[0005] Optionally, the platform frame main body includes a support steel plate, main beams, and secondary beams. A plurality of the main beams are welded and connected back-to-back by I-beams, and a plurality of the secondary beams are respectively welded to the lower sides of the main beams, and the support steel plate is welded to the secondary beams.

[0006] Optionally, the number of the main beams and the secondary beams is both 2.

[0007] Optionally, the platform frame main body further includes edge-encircling channel steels, and the edge-encircling channel steels are arranged around the support steel plate.

[0008] Optionally, the outrigger includes a fixed lock, and the fixed lock is used to fix the outer end of the outrigger main body.

[0009] Optionally, the lifting operation platform frame for the elevator shaft further includes a limit clamp.

[0010] The utility model also provides a using method of the lifting operation platform frame for the elevator shaft, which includes the following steps:

[0011] The main body of the platform frame is formed by welding and connecting a support steel plate, a main beam, and a secondary beam. Lifting lugs and outriggers are respectively arranged on the main body of the platform frame to obtain a lifting operation platform frame for an elevator shaft.

[0012] Arrange the lifting operation platform frame for the elevator shaft in the elevator shaft, and use a sling to connect the lifting lug with the lifting mechanism above the elevator shaft.

[0013] Before lifting, the outrigger body of the outrigger is in a horizontal state, that is, the inner end of the outrigger body is held on the inner limiting member, and the outer end of the outrigger body is held in the reserved hole in the shaft structure; at this time, the object to be lifted can be placed on the support steel plate.

[0014] When lifting is required, the lifting mechanism drives the sling to rise, and the sling drives the lifting operation platform frame for the elevator shaft to rise. At this time, the outrigger body of the outrigger is in a vertical state.

[0015] When lowering is required, manually adjust the outrigger body of the outrigger to a vertical state and make the outer end of the outrigger body fit with the fixed lock to fix the outrigger body, and the lifting mechanism drives the sling to lower.

[0016] The lifting operation platform frame for the elevator shaft recommended by the utility model using components such as I-beams and channel steels can be applied to various environments on construction sites, and the implementation cost is relatively low. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 is a top view of the main structure of a lifting operation platform frame for an elevator shaft disclosed in an embodiment of the present utility model;

[0019] Figure 2 is a side view of the main structure of a lifting operation platform frame for an elevator shaft disclosed in an embodiment of the present utility model;

[0020] Figure 3 is a structural schematic diagram of the outrigger disclosed in an embodiment of the present utility model.

[0021] Reference numerals: 1, shaft structure; 2, reserved hole; 3, lifting lug; 4, main beam; 5, secondary beam; 6, support steel plate; 7, edge channel steel; 8, outrigger; 9, high-strength bolt; 10, I-beam; 11, limit clamp; 12, inner limiting member. Detailed implementation mode

[0022] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. The components of the embodiments of the present utility model usually described and illustrated in the accompanying drawings herein can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the present utility model claimed, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0024] It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0025] In the description of the present utility model, it should be noted that if terms such as "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or the orientations or positional relationships in which the utility model product is habitually placed during use, it is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0026] It should be noted that the features in the embodiments of the present utility model can be combined with each other without conflict.

[0027] As Figures 1-3 shown, the embodiments of the present utility model disclose a lifting operation platform frame for an elevator shaft, including a platform frame main body, a lifting lug 3, and a lying leg 8. The lifting lug 3 is fixedly connected to the platform frame main body, and the lying leg 8 is movably connected to the platform frame main body;

[0028] The lying leg 8 includes a lying leg main body, a high-strength bolt 9, and an inner limiting member 12. The lying leg main body is movably connected to the platform frame main body through the high-strength bolt 9, and the inner limiting member 12 is arranged below the platform frame main body; when the lying leg main body is in a horizontal state, the inner end of the lying leg main body is propped on the inner limiting member 12, and the outer end of the lying leg main body is propped in a reserved hole 2 in a shaft structure 1; and, the connection point of the high-strength bolt 9 and the lying leg main body is closer to the inner end.

[0029] Optionally, the platform frame body includes a support steel plate 6, main beams 4, and secondary beams 5. A plurality of the main beams 4 are welded and connected back-to-back through I-beams 10. A plurality of the secondary beams 5 are respectively welded and connected to the lower sides of the respective main beams 4. The support steel plate 6 is welded to the secondary beams 5.

[0030] Optionally, the number of the main beams 4 and the secondary beams 5 is both two.

[0031] Two 14# main beams 4 can be welded and connected back-to-back through I-beams 10. The secondary beam 5 is made of a 10# channel steel and is arranged below the main beam 4 and connected to the main beam 4. The support steel plate 6 is arranged on the secondary beam 5, and the periphery is edged with 5# channel steel. The footrest 8 can be made of 10# channel steel.

[0032] Optionally, the platform frame body further includes an edging channel steel 7, and the edging channel steel 7 is arranged around the support steel plate 6.

[0033] Optionally, the footrest 8 includes a fixing lock (not shown in the figure), and the fixing lock is used to fix the outer end of the footrest body.

[0034] Optionally, the elevator shaft lifting operation platform frame further includes a limit clamp 11.

[0035] The limit clamp 11 can keep a certain distance between the elevator shaft lifting operation platform frame and the shaft structure 1, preferably a soft part, such as a rubber part.

[0036] The usage method of the above-mentioned elevator shaft lifting operation platform frame of the present utility model is specifically as follows:

[0037] Use the support steel plate 6, main beams 4, and secondary beams 5 to be welded and connected to form the platform frame body, and arrange the lifting lugs 3 and the footrests 8 on the platform frame body respectively, so as to obtain the elevator shaft lifting operation platform frame;

[0038] Arrange the elevator shaft lifting operation platform frame in the elevator shaft, and use a sling to connect the lifting lug 3 with the lifting mechanism above the elevator shaft;

[0039] Before lifting, the footrest body of the footrest 8 is in a horizontal state, that is, the inner end of the footrest body is held on the inner limit member 12, and the outer end of the footrest body is held in the reserved hole 2 on the shaft structure 1; at this time, the object to be lifted can be placed on the support steel plate 6;

[0040] When lifting is required, the lifting mechanism drives the sling to rise, and the sling drives the elevator shaft lifting operation platform frame to rise. At this time, the footrest body of the footrest 8 is in a vertical state (under the action of gravity);

[0041] When a descent is required, the operator manually adjusts the main body of the footrest 8 to a vertical state and makes the outer end of the main body of the footrest fit with the fixed lock to fix the main body of the footrest, and the lifting mechanism drives the sling to descend.

[0042] As described above, the above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

1. An elevator shaft lifting operation platform frame, characterized in that: It comprises a platform frame body, a lifting lug (3), and a foot (8), wherein the lifting lug (3) is fixedly connected to the platform frame body, and the foot (8) is movably connected to the platform frame body; The footrest (8) comprises a footrest body, a high-strength bolt (9), and an inner limiter (12); the footrest body is movably connected to the platform frame body through the high-strength bolt (9); the inner limiter (12) is arranged below the platform frame body; when the footrest body is in a horizontal state, the inner end of the footrest body is supported on the inner limiter (12), and the outer end of the footrest body is supported in a reserved hole (2) on the shaft structure (1); and the connection point between the high-strength bolt (9) and the footrest body is closer to the inner end.

2. The elevator shaft lifting operation platform frame according to claim 1, characterized in that: The platform frame body comprises a supporting steel plate (6), a main beam (4), and a secondary beam (5); a plurality of the main beams (4) are connected by back-to-back welding via I-beams (10); a plurality of the secondary beams (5) are respectively connected by welding to the bottom of each main beam (4); and the supporting steel plate (6) is welded to the secondary beam (5).

3. The elevator shaft lifting operation platform frame according to claim 2, characterized in that: The number of the main beam (4) and the number of the secondary beam (5) are both two.

4. The elevator hoisting operation platform frame according to claim 3, characterized in that: The platform frame body also includes an edge-wrapped channel steel (7), and the edge-wrapped channel steel (7) is arranged around the supporting steel plate (6).

5. The elevator hoisting operation platform frame according to claim 1, characterized in that: The lying foot (8) comprises a fixing lock, and the fixing lock is used to fix the outer side end of the lying foot body.

6. The elevator shaft lifting operation platform frame according to claim 1, characterized in that: The elevator shaft lifting operation platform frame also includes a limit card (11).

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