CN116641543A - An elevator shaft construction platform - Google Patents

Abstract

The invention discloses an elevator shaft construction platform, which is used to provide temporary support for workers to construct in the elevator shaft. The construction platform includes a table top and a support device for supporting the table top. It includes a vertical support frame located below the table top, the lower end of the vertical support frame is provided with a right-angled slot that can be locked on the edge of the floor of the elevator doorway, and on the other side of the table top relative to the support frame is provided a A telescoping top brace supporting the inner wall of the elevator shaft. The elevator shaft construction platform of the present invention can be hoisted into the elevator shaft by a crane or move up and down in the elevator shaft. , that is, the platform can be moved up and down in the elevator shaft, the installation is convenient, and the safety is high, and the safety of the operating workers is guaranteed.

Description

An elevator shaft construction platform

technical field

The invention relates to the technical field of building construction, in particular to an elevator shaft construction platform.

Background technique

The elevator shaft is the shaft where the elevator is installed. The size of the shaft is determined according to the selection of the elevator. The elevator track and the counterweight rail are installed on the shaft wall, and the elevator door is installed in the reserved door opening. There is an elevator machine room on the top of the shaft.

In housing construction projects, the operating platform in the elevator shaft often becomes an important and difficult point in building safety construction. Traditionally, steel pipes are used to erect the support frame, which is not only troublesome in construction, but also causes safety hazards for workers during construction due to the shaking of the frame body.

Contents of the invention

In order to solve the problem of troublesome construction of the elevator shaft construction platform, the present invention proposes an elevator shaft construction platform, which can be quickly installed and fixed, is convenient for lifting and moving in the elevator shaft, and is easy to use.

The technical solution adopted by the present invention is to design an elevator shaft construction platform for providing temporary support for workers to construct in the elevator shaft, the construction platform includes a table top and a support device for supporting the table top, and the support device is a support positioning frame, The support positioning frame includes a vertical support frame located below the table top, and the lower end of the vertical support frame is provided with a right-angled slot that can be locked on the edge of the floor of the elevator doorway. One side is provided with a telescopic top brace for supporting the inner wall of the elevator shaft.

In some embodiments, the support frame and the table are connected by connecting ribs, so that the connecting ribs, the table and the support frame form a triangular support structure.

In some embodiments, suspension rings are respectively provided on the other two opposite sides of the table.

In some embodiments, the support device is a telescopic support frame, and the telescopic support frame includes two deformation frames up and down and a lifting rod connected between the two deformation frames. The upper support plate below the table top and two slanting support heads respectively supporting the two opposite side walls of the elevator shaft, each of the slanting support heads is respectively connected to the opposite sides of the upper support plate through two parallel The rods are connected by hinges to form a parallel four-bar mechanism. The two inclined top supports are respectively connected to the ends of the two support rods in rotation, and the other ends of the two support rods are connected to a support plate through a hinge. The lower support plate and the upper support plate are connected by telescopic rods; the lower support plate of the upper deformation frame is connected with the upper support plate of the lower deformation frame by a lifting rod.

In some embodiments, a guide wheel support rod is fixedly connected to the support rod, and one end of the guide wheel support rod is fixedly connected to the support rod and the other end is connected to the guide wheel facing the side wall of the elevator shaft. A "V" shape is formed between the support rod and the guide wheel support rod.

In some embodiments, the upper support plate of the lower deformation frame is provided with control devices for telescopic rods and lifting rods.

In some embodiments, both the telescopic rod and the lifting rod are hydraulic cylinders.

In some embodiments, the upper support plate of the upper deformation frame is fixedly connected with the table.

In some embodiments, two parallel four-bar mechanisms are arranged on both sides of the deformation frame respectively, and the two parallel four-bar mechanisms are connected to the inclined support head at the same time.

In some embodiments, two ends of the support head are respectively connected to two support rods, and the two support rods are respectively connected to two ends of the rotating shaft of the guide wheel.

Compared with the prior art, the present invention has the following beneficial effects:

1. The elevator shaft construction platform of the present invention can be hoisted into the elevator shaft by a crane or move up and down in the elevator shaft. In the hole, the platform can move up and down in the elevator shaft. When it moves to the corresponding position, the right-angled card slot is stuck on the floor at the elevator door opening, so that the telescopic top brace can be stretched out. , Its installation is convenient, and safety is high, and the safety of operators is guaranteed.

2. By designing the support device as a telescopic support frame, the construction platform can be automatically moved in the elevator shaft.

Description of drawings

The present invention will be described in detail below in conjunction with specific embodiments and accompanying drawings. In order to show details and facilitate understanding of its principle, it is not necessarily drawn to scale, and similar reference numerals may describe similar components in different views. The drawings generally illustrate the embodiments discussed herein, by way of example and not limitation.

Fig. 1 is a schematic diagram of the construction platform in the supporting state of the first embodiment.

Fig. 2 is a schematic view of the A-A section of Fig. 1 .

Fig. 3 is a schematic diagram of the contracted state of the telescopic top brace of the construction platform of the first embodiment.

Fig. 4 is a schematic diagram of the second embodiment where the construction platform is located in the elevator shaft.

Fig. 5 is a schematic diagram of the B-B section of Fig. 4 .

Fig. 6 is a schematic diagram of the upper deformation frame being lifted up.

In the figure, 1. table top; 2. elevator shaft; 3. vertical support frame; 301. right-angle slot; 201. elevator door opening; 4. floor; Hole; 501, the second positioning hole; 6, positioning pin; 7, connecting rib; 102, suspension ring; 8, lifting rod; 9, upper support plate; ; 13, hinge; 14, lower support plate; 15, telescopic rod; 16, guide wheel support rod; 17, guide wheel; 18, control device.

Detailed ways

The following are specific embodiments of the present invention, and further describe the technical solution of the present invention in conjunction with the accompanying drawings, but the present invention is not limited to these embodiments, and the following embodiments do not limit the invention involved in the claims. In addition, not all combinations of the features described in the embodiments are necessarily essential to the solution of the invention.

The principle and structure of the present invention will be described in detail below in conjunction with the drawings and embodiments.

Embodiment one:

As shown in Figures 1, 2, and 3, an elevator shaft construction platform is used to provide temporary support for workers to construct in an elevator shaft 2. The construction platform includes a table top 1 and a supporting device for supporting the table top 1. The table top 1 It is a plate body, slightly smaller than the elevator shaft 2, and workers can stand on the table 1 so as to carry out construction in the elevator shaft 2.

The support device is a support positioning frame, and the support positioning frame includes a vertical support frame 3 connected below the table top 1, and the lower end of the vertical support frame 3 is provided with a support that can be locked on the edge of the floor 4 of the elevator doorway 201. The right-angled slot 301 makes the lower end of the vertical support frame 3 fixedly supported on the floor 4 at the door opening 201 of the elevator. The telescopic top brace 5 of the inner wall, thus, the telescopic top brace 5 is opposite to the right-angled slot 301, so that the table top 1 is supported and fixed on the elevator shaft 2, and the telescopic top brace 5 can be opposite to the table top 1 telescopic, for example, the telescopic top support 5 is a rod body, and a socket 101 is provided on the side of the table top 1, and the telescopic top support 5 is inserted into the socket 101, along the direction of the socket 101 The wall of the hole is provided with a first positioning hole 1011, and the telescopic top support 5 is distributed with a second positioning hole 501 corresponding to the first positioning hole 1011, and the positioning pin 6 is inserted into the first positioning and the second positioning hole at the same time. Positioning hole 501, so that the position of the first positioning hole 1011 relative to the second positioning hole 501 is fixed, so that the stretching length of the telescopic top support 5 relative to the table top 1, so as to achieve alignment with the card slot. Fixing of the table top 1.

The support frame and the table top 1 are connected by connecting ribs 7, so that the connection ribs 7, the table top 1 and the support frame form a triangular support structure, making the structure more stable.

The other two opposite sides of the platform 1 are respectively provided with suspension rings 102, and only need to use a tower crane to hang on the suspension rings 102 during the construction process, so that the construction platform can be hoisted into the elevator shaft 2 or in the elevator shaft 2. Moving up and down in the elevator shaft 2, when it is necessary to move up and down in the elevator shaft 2, as long as the telescopic top support 5 is retracted into the jack 101, the platform can be moved in the elevator shaft 2. Moving up and down, when moving to a corresponding position, the right-angled card slot 301 is stuck on the floor 4 at the door opening 201 of the elevator, so that the telescopic top brace 5 can be stretched out.

Embodiment two:

As shown in Figures 1, 2, and 3, the difference from the above-mentioned embodiments is that the support device is a telescopic support frame, and the telescopic support frame includes two deformation frames up and down and a frame connected between the two deformation frames. Lifting rod 8.

The deformation frame includes an upper support plate 9 supported below the table top 1 and two inclined top braces 10 supporting two opposite side walls of the elevator shaft 2 obliquely downwards, each of the inclined top braces 10 The two opposite sides of the upper support plate 9 are respectively connected by two parallel rods 11 hinges 13. The inclined support head 10, the upper support plate 9 and the two parallel rods 11 form a parallel four-bar mechanism. No matter how the parallel four-bar mechanism is deformed, the surface of the slanting head 10 faces the inner wall of the elevator shaft 2 . The upper support plate 9 of the upper deformation frame is fixedly connected with the table top 1 .

The two props 10 are rotatably connected with the ends of the two support rods 12 respectively through hinges 13, and the other ends of the two support rods 12 are connected with a lower support plate 14 through a hinge 13, and the lower support The plate 14 and the upper support plate 9 are connected by a telescopic rod 15, thereby adjusting the distance between the lower support plate 14 and the upper support plate 9, thereby changing the distance between the surface of the inclined roof brace 10 and the inner wall of the elevator shaft 2 ; The lower support plate 14 of the upper deformation frame is connected with the upper support plate 9 of the lower deformation frame by a lifting rod 8, thereby adjusting the distance between the upper deformation frame and the lower deformation frame. The telescopic rod 15 and the elevating rod 8 can both be hydraulic cylinders, and of course they can also be other controllable telescopic devices.

A guide wheel 17 support bar 1612 is fixedly connected to the support bar 12, one end of the guide wheel 17 support bar 1612 is fixedly connected to the support bar 12 and the other end is connected to the guide wheel 17 facing the side wall of the elevator shaft 2, The support rod 12 and the guide wheel 17 support rod 1612 form a "V" shape, so that when the lower support plate 14 moves up and down relative to the upper support plate 9, the guide wheel 17 support rod 1612 and The support rods 12 swing synchronously, and when the slanting head 10 is close to the inner wall of the elevator shaft 2, the guide wheel 17 is far away from the inner wall of the elevator shaft 2; on the contrary, when the slanting head 10 is far away from the inner wall When the inner wall of the elevator shaft 2 is mentioned, the guide wheel 17 is close to the inner wall of the elevator shaft 2. When the slanting support head 10 is in contact with the inner wall of the elevator shaft 2 , the deformation frame is supported on the inner wall of the elevator shaft 2 , so as to support the platform 1 . When the guide wheel 17 is in contact with the inner wall of the elevator shaft 2, the deformation frame can be moved up and down along the elevator shaft 2 through the lifting rod 8, and the guide wheel 17 plays a guiding role to prevent the The edge of the table top 1 rubs against the inner wall of the elevator shaft 2 . As shown in Fig. 5, when the said inclined support head 10 of the upper deformation frame is supported on the inner wall of the elevator shaft 2, and the guide wheel 17 of the lower deformation frame is in contact with the inner wall of the elevator shaft 2, the lifting rod The shrinkage of 8 can make the lower deformation frame rise, and when it moves to a certain height, as shown in Figure 6, the inclined top brace 10 of the lower deformation frame is supported on the inner wall of the elevator shaft 2, and The guide wheel 17 of the upper deformation frame is in contact with the inner wall of the elevator shaft 2. At this time, the lifting rod 8 is extended upwards, so that the upper deformation frame and the table 1 can be raised, so that the construction can be realized. Free movement of the platform in the elevator shaft 2.

There are two parallel four-bar mechanisms on both sides of the deformation frame, and the two parallel four-bar mechanisms are connected to the inclined support head 10 at the same time, thereby improving the supporting strength. Two ends of the support head 10 are respectively connected to two support rods 12 , and the two support rods 12 are respectively connected to two ends of the rotating shaft of the guide wheel 17 .

The upper support plate 9 of the lower deformation frame is provided with a telescoping rod 15 and a control device 18 of the elevating rod 8, such as a hydraulic pump for controlling a hydraulic cylinder, an electrical module, etc., so that the control device 18 can move with the platform.

The specific embodiments described herein are only examples to illustrate the spirit of the present invention. Those skilled in the technical field to which the present invention belongs may make various modifications or supplements to the described specific embodiments, or replace them in similar ways, but they will not deviate from the spirit of the present invention or go beyond what is described in the appended claims. defined range.

Claims (10)

1. The utility model provides an elevator shaft construction platform for the workman provides temporary support in the elevator shaft construction, construction platform includes mesa and support mesa's strutting arrangement, its characterized in that, strutting arrangement is the support locating rack, the support locating rack is including being located the vertical support frame of mesa below, the tip is provided with the right angle draw-in groove that can block at elevator door opening floor edge under the vertical support frame, relative the support frame is in the mesa opposite side is provided with and is used for supporting the flexible top support of elevator shaft inner wall.

2. The hoistway construction platform of claim 1, wherein the support frame is connected to the table top by a connecting bar such that the connecting bar, the table top, and the support frame form a triangular support structure.

3. The hoistway construction platform of claim 1, wherein two opposite sides of the deck are each provided with a lifting ring.

4. The elevator shaft construction platform according to claim 1, wherein the supporting device is a telescopic supporting frame, the telescopic supporting frame comprises an upper supporting plate, a lower supporting plate and lifting rods, the lifting rods are connected between the two deformable frames, the deformable frames comprise an upper supporting plate and two diagonal bracing heads, the upper supporting plate is supported below the table top, the diagonal bracing heads are respectively supported on two opposite side walls of the elevator shaft, each diagonal bracing head is respectively connected with two opposite sides of the upper supporting plate through two parallel rod hinges to form a parallel four-rod mechanism, the two diagonal bracing heads are respectively connected with the end parts of the two supporting rods in a rotating mode, the other end parts of the two supporting rods are connected with a lower supporting plate through hinges, and the lower supporting plate is connected with the upper supporting plate through a telescopic rod; the lower support plate of the upper deformation frame is connected with the upper support plate of the lower deformation frame through a lifting rod.

5. The hoistway construction platform of claim 4, wherein a guide wheel support bar is fixedly connected to the support bar, one end of the guide wheel support bar is fixedly connected to the support bar, the other end of the guide wheel support bar is connected to a guide wheel facing the hoistway side wall, and a V-shape is formed between the support bar and the guide wheel support bar.

6. The hoistway construction platform according to claim 4, wherein the upper support plate of the lower frame is provided with a telescopic rod and a control device for the lifting rod.

7. The hoistway construction platform of claim 4, wherein the telescoping rod and lifting rod are hydraulic cylinders.

8. The hoistway construction platform of claim 4, wherein an upper support plate of the upper deformation frame is fixedly coupled to the deck.

9. The hoistway construction platform according to claim 4, wherein two parallel four bar mechanisms are provided on both sides of the deformation frame, respectively, and the two parallel four bar mechanisms are simultaneously connected to the diagonal bracing head.

10. The hoistway construction platform according to claim 9, wherein both ends of the diagonal bracing head are respectively connected to two support bars, and the two support bars are respectively connected to both ends of the rotating shaft of the guide pulley.