CN219993058U - Supporting platform for elevator well protection and construction - Google Patents

Abstract

The utility model relates to the technical field of elevator shaft construction, and particularly discloses a supporting platform for elevator shaft protection and construction, which comprises a platform plate, supporting beams respectively arranged on two sides below the platform plate and a plurality of secondary beams fixedly connected between the supporting beams and the platform plate at equal intervals, wherein the two ends of each supporting beam are rotationally connected with supporting legs, the outer side ends of the supporting legs extend out of the supporting beams when the supporting legs rotate to be horizontal, the inner side ends of the supporting legs at the two ends of the same supporting beam are also provided with counterweight structures, and a stop block used for limiting the outer side ends of the supporting legs to rotate upwards to exceed the horizontal position is arranged on the secondary beams below the platform plate.

Description

Supporting platform for elevator well protection and construction

Technical Field

The utility model relates to the technical field of elevator shaft construction, and particularly discloses a supporting platform for elevator shaft protection and construction.

Background

An elevator is a vertical elevator powered by an electric motor and is provided with a boxed nacelle for supporting or carrying goods in a multi-story building. Modern elevators mainly consist of hoisting machines (winches), guide rails, counterweights, safety devices (e.g. speed limiters, safety clamps, buffers, etc.), signal handling systems, cars, hall doors, etc. These parts are installed in the hoistway and the machine room of the building, respectively.

In the overall working process of construction engineering, elevator hoistway protection and construction work are very important engineering steps. In elevator hoistway protection and construction work processes, a support structure needs to be built to provide a work construction platform. And as the elevator shaft is constructed upwards, the installation height of the construction platform needs to be synchronously adjusted.

In the prior art, the built supporting structure is usually a supporting mode of adopting simple steel pipe fasteners and wood plates at the bottom of an elevator hoistway, and the whole operation is simple. But in actual working process, set up support body work load and unable removal, and most adopt the mode of piling up to build, occupation space is big, and then leads to whole work inefficiency, is difficult to satisfy construction specification requirement, influences whole operation level.

Accordingly, the present inventors have provided a supporting platform for hoistway protection and construction so as to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to solve the problems that a working construction platform is built at the bottom during construction of a traditional elevator shaft, the work load of a platform frame body is large, the platform frame body cannot move, and the occupied space is large.

In order to achieve the above purpose, the basic scheme of the utility model provides a supporting platform for elevator hoistway protection and construction, which comprises a platform plate, supporting beams respectively arranged on two sides below the platform plate and a plurality of secondary beams fixedly connected between the supporting beams and the platform plate at equal intervals, wherein the two ends of the supporting beams are respectively and rotatably connected with supporting legs, the outer side ends of the supporting legs extend out of the supporting beams when the supporting legs rotate to be horizontal, the inner side ends of the supporting legs at the two ends of the same supporting beam are also provided with counterweight structures, and the secondary beams below the platform plate are also provided with stop blocks for limiting the outer side ends of the supporting legs to upwards rotate beyond the horizontal position.

The principle and effect of this basic scheme lie in:

1. the utility model is provided with a main structure for supporting the platform plate through the main beams and the secondary beams, and the main structure of the supporting platform is formed by combining the main beams, the secondary beams and the platform plate. When the elevator shaft is constructed, the frame can be operated on the platform plate for constructors to construct the elevator shaft.

2. When the elevator shaft is constructed, the platform can be lifted according to the construction working surface, only the hole into which the outer side of the supporting leg extends out is required to be formed in the position to be constructed in the elevator shaft, then when the construction height is required to be lifted, the platform is lifted, in the lifting process, the supporting leg is folded, when the supporting leg is lifted to the hole, the inner side end of the supporting leg is pulled down by the counterweight structure, the outer side end of the supporting leg is rotated upwards and clamped into the hole, and after the supporting leg is supported by the stop block, the platform is mounted, so that the problems that the work construction platform is built at the bottom when the elevator shaft is constructed in the prior art, the work load of the platform frame is large, the platform frame cannot be moved and the occupied space is large are solved.

3. The utility model has flexible construction operation surface, reduces the material consumption, avoids frequent assembly and disassembly, provides effective operation space for operators, has light whole body, improves the working efficiency by lifting the supporting legs in the well and realizing automatic support, has simple assembly and convenient popularization, supports the platform in the elevator well under construction, and can play a role in bearing and protecting when objects fall down.

Further, the supporting beam comprises channel steel which are arranged in a back-to-back mode, the notch of the channel steel is outwards arranged, and a gap for accommodating the supporting legs is formed between the channel steel on two sides. The channel steel has excellent mechanical property and high cost performance, and gaps for mounting the supporting legs can be formed between the channel steel arranged oppositely, so that the space structure is optimized.

Further, pin holes are coaxially formed in the two ends of the channel steel on the two sides relative to the mounting positions of the supporting legs and the supporting legs, and iron pins can be placed in the pin holes. The support leg is rotated by inserting the iron pin, so that the installation is convenient.

Further, the secondary beams are all channel steel, and openings of the channel steel are all inward. The channel steel has excellent mechanical property and high cost performance, and is convenient for installation between the secondary beam and the main beam.

Further, the stop block is fixedly connected below the secondary beams at the two outermost sides of the platform plate. The secondary beam is used for transmitting force to prevent the platform plate from being damaged.

Further, the secondary beam and the main beam are fixed in a crisscross manner. The processing is convenient and the installation strength is improved.

Further, the counterweight structure comprises a counterweight block and steel wire ropes hinged to two sides of the counterweight block respectively, and free ends of the steel wire ropes are hinged to inner side end parts of the supporting legs on two sides respectively. The wire rope can facilitate the simultaneous pulling of the legs on both sides.

Further, the end face of the outer side end part of the supporting leg is an inclined surface which is inclined upwards. When the platform moves upwards, the outer end parts of the supporting legs are pressed to fold the supporting legs.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 shows a schematic view of a supporting platform for protecting and constructing an elevator shaft according to an embodiment of the present utility model;

fig. 2 is a schematic diagram showing an internal structure of a supporting platform for protecting and constructing an elevator shaft according to an embodiment of the present utility model;

fig. 3 is a schematic view of a supporting leg of a supporting platform for protecting and constructing an elevator shaft according to an embodiment of the present utility model;

fig. 4 shows a cross-sectional view of a supporting platform for elevator hoistway protection and construction according to an embodiment of the present utility model.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: the elevator comprises a supporting platform 1, a sleeve 2, an elevator shaft 3, an operating frame 4, supporting legs 5, iron pins 6, a stop block 7, a main beam 8, a secondary beam 9, a platform plate 10 and a balancing weight 11.

A supporting platform for elevator hoistway protection and construction, the embodiment of which is shown in fig. 1:

offer the hole that is used for placing supporting platform 1 on elevator well 3 wall body, supporting platform 1 installs in the hole, and sleeve pipe 2 is installed to supporting platform 1's top, through sleeve pipe 2, and supporting platform 1's top is installed and is stretched into the operating frame 4 in the elevator well 3.

As shown in fig. 2, the lower end of the operation frame 4 is connected to the support platform 1 through a sleeve 2.

The specific structure of the support platform 1 is as follows: comprises a platform plate 10, four main beams 8 which are respectively arranged on two sides below the platform plate 10 and are arranged back to back, and a plurality of secondary beams 9 which are arranged between the main beams 8 and the platform plate 10. In this embodiment, the primary beam 8 and the secondary beam 9 are both channel steel, and the opening directions of the channel steel are all oriented in the direction of the center line of the platform board 10. And a gap is reserved between two back-to-back main beams 8 arranged on the same side below the platform plate 10. The sleeve 2 is mounted on the upper end surface of the platform plate 10.

In the clearance of adjacent girder 8 still installs a landing leg 5 respectively, and the landing leg 5 of both sides is opened a pinhole with girder 8 coaxial respectively of both sides, carries out relative fixation through inserting iron pin 6 into the pinhole between landing leg 5 and the girder 8, and the landing leg 5 can rotate for between pinhole and the girder 8.

Specifically, as shown in fig. 2, the cross-section of the supporting leg 5 is trapezoidal, and the inclined planes of the supporting legs 5 at two sides are respectively arranged in an obliquely upward direction, and the supporting legs 5 can extend into the holes. When the leg 5 is placed in the hole, the inclined surface of the outer end can be contacted with the wall of the elevator shaft 3 at the top end of the hole after the leg 5 is lifted along with the platform plate 10, and the leg 5 is pressed downwards so that the leg 5 can slide into the elevator shaft 3.

A balancing weight 11 is also arranged between the two side supporting legs 5, and the balancing weight 11 is respectively arranged at the inner side end parts of the supporting legs 5 at the two sides through two steel wire ropes, and is positioned on the supporting leg 5 at the inner side of the pin hole. A stop 7 is also mounted below the outermost secondary beams 9. When the leg 5 is in the horizontal position, the stopper 7 will abut against the upper end surface of the leg 5, preventing the leg 5 from continuing to rotate upward, as shown in fig. 3.

According to the utility model, corresponding holes are reserved on the wall of an elevator shaft 3 according to the positions of supporting legs 5, a supporting platform 1 and an operating frame 4 are placed in the elevator shaft 3, the supporting platform 1 and the operating frame 4 are vertically lifted to the reserved holes along the shaft by a lifting device, the supporting legs 5 rotate relative to pin holes under the action of a balancing weight 11 and are horizontally clamped into the reserved holes to realize supporting, after the construction is completed, the supporting legs 5 are lifted by lifting equipment continuously, at the moment, the supporting legs 5 are propped against the top ends of the holes of the elevator shaft 3 and rotate downwards until the supporting legs 5 meet the reserved holes again, and the supporting legs 5 are automatically reset and inserted into the reserved holes. The corresponding work is started after checking whether the supporting leg 5 is effectively supported, which is the prior art and is not redundant.

The utility model not only can support the operation frame 4 during construction, but also can play a role in bearing objects when the objects fall after construction, prevent the objects from continuously falling, and play a role in protection.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.

Claims (8)

1. The utility model provides an elevator well protection and supporting platform for construction which characterized in that: the support comprises a platform plate, a support beam and a plurality of secondary beams, wherein the support beam is respectively arranged on two sides below the platform plate, the secondary beams are fixedly connected between the support beam and the platform plate at equal intervals, the two ends of the support beam are respectively and rotatably connected with support legs, the outer side ends of the support legs when the support legs rotate to the horizontal state extend out of the support beam, the inner side ends of the support legs at the two ends of the same support beam are also provided with counterweight structures, and the secondary beams below the platform plate are also provided with stop blocks used for limiting the outer side ends of the support legs to upwards rotate beyond the horizontal position.

2. The supporting platform for elevator hoistway protection and construction according to claim 1, wherein the supporting beams comprise channel steels arranged in opposite directions, the notches of the channel steels are all arranged outwards, and a gap for accommodating the supporting legs is arranged between the channel steels on two sides.

3. The supporting platform for protecting and constructing an elevator shaft according to claim 2, wherein the two ends of the channel steel on the two sides are coaxially provided with pin holes relative to the mounting positions of the supporting legs and the supporting legs, and iron pins can be arranged in the pin holes.

4. A hoistway protection and construction support platform according to any of claims 1 to 3, wherein the secondary beams are all channels with openings in the channels.

5. The supporting platform for elevator hoistway protection and construction according to claim 1, wherein the stopper is fixedly connected below the secondary beams on two outermost sides of the platform plate.

6. The supporting platform for elevator hoistway protection and construction according to claim 1, wherein the secondary beam and the primary beam are fixed in a crisscross arrangement.

7. The supporting platform for elevator hoistway protection and construction according to claim 1, wherein the counterweight structure comprises a counterweight and steel wire ropes hinged to two sides of the counterweight respectively, and free ends of the steel wire ropes are hinged to inner side end portions of supporting legs on two sides respectively.

8. The supporting platform for elevator hoistway protection and construction according to claim 1, wherein an end surface of an outer side end portion of the leg is an inclined surface inclined upward.