CN110453858B

CN110453858B - Assembled stair for building

Info

Publication number: CN110453858B
Application number: CN201910776822.1A
Authority: CN
Inventors: 沈清法; 阮厚凌; 吴修彩; 郑友猛; 周生琦
Original assignee: Shandong Tengjian Construction Group Co ltd
Current assignee: Shandong Tengjian Construction Group Co ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-11-06
Anticipated expiration: 2039-08-22
Also published as: CN110453858A

Abstract

The invention discloses an assembly type stair for a building, which relates to the technical field of construction machinery and comprises a mobile station, wherein a supporting plate is vertically fixed at the bottom of the mobile station, steps are fixedly arranged on the supporting plate, a horizontal plate which is in sliding connection with the mobile station through a guide mechanism is horizontally fixed at the upper end of the supporting plate, a swing rod driven by a telescopic mechanism is rotatably arranged on a fixed plate, and a traveling wheel is rotatably arranged at the lower end of the swing rod; the telescopic device can realize that the supporting plate drives the steps on the supporting plate to extend through the arranged extending mechanism so as to adapt to different assembly requirements, the telescopic mechanism drives the travelling wheels to extend and retract through the arranged driving mechanism, the movement of the device is greatly promoted, the whole position of the structure can be ensured to be fixed after the travelling wheels retract, the firmness is promoted, the arranged elastic supporting component and the arranged guide mechanism can play an elastic buffering effect when the position of the supporting plate is adjusted in a telescopic mode, and the adjusting and using process is stable and efficient.

Description

Assembled stair for building

Technical Field

The invention relates to the technical field of construction machinery, in particular to an assembly type stair for a building.

Background

The building is a general name of buildings and structures, is a building which is formed by assembling prefabricated parts on a construction site by using a grasped matter technical means and applying a certain scientific law, a wind and water concept and an aesthetic rule to create an artificial environment in order to meet the needs of social life, is called as an assembly type building, and is divided into five types of building blocks, plate buildings, box buildings, framework plate buildings, riser buildings and the like according to the forms and construction methods of prefabricated parts.

Application publication number is CN 109577573A's patent discloses a stair for assembly type structure, including the ladder body, the one end fixedly connected with end ladder frame of ladder body, the other end fixedly connected with top ladder frame of ladder body, the spacing ladder frame of screw fixedly connected with is passed through to the top middle part both sides of ladder body, the surface of spacing ladder frame is provided with the step, through being provided with spacing ladder frame, step and protection pad, can play a support spacing effect to the step effectively through spacing ladder frame, the device can highly adjust the step, but can not stretch out and draw back in the use and adjust, the user demand of adaptation assembly type structure that this stair can not be fine, for this reason, provide a stair for assembly type structure at present to solve above-mentioned technical problem.

Disclosure of Invention

The present invention is directed to a fabricated building staircase, which solves the above problems.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an assembled stair for building, includes the mobile station, the vertical backup pad I that is fixed with in mobile station bottom, be connected with backup pad II through extending the mechanism drive on the mobile station, fixed mounting has the step on the backup pad II, backup pad II upper end level is fixed with the horizontal plate through guiding mechanism and mobile station sliding connection, and backup pad II lower extreme level is fixed with the extension board, and the extension board bottom is fixed with the elastic support subassembly, is fixed with the fixed plate on the backup pad I, rotates on the fixed plate to install through telescopic machanism driven pendulum rod, and the walking wheel is installed in the rotation of pendulum rod lower extreme.

As a modified scheme of the invention: the extension mechanism comprises a lead screw positioned inside the mobile station, a lead screw sleeve block is sleeved on the lead screw in a threaded manner, a parallel and isometric connecting rod I and a connecting rod II are hinged between the mobile station and the support plate II, and a pull rod is hinged between the connecting rod II and the lead screw sleeve block.

As a modified scheme of the invention: the guiding mechanism comprises a guide groove formed in the side wall of the horizontal plate, a guide frame is slidably mounted at the bottom of the horizontal plate, and a guide block which is slidably embedded in the guide groove is fixed on the inner side wall of the guide frame.

As a modified scheme of the invention: a plurality of guide rods fixed at the bottom of the guide frame are embedded in the mobile station in a sliding manner, and limit springs are fixedly connected between the guide rods and the mobile station.

As a modified scheme of the invention: the elastic support assembly comprises a sleeve fixed at the bottom of the extension plate, a sliding column is vertically and slidably mounted in the sleeve, and a roller is rotatably mounted at the bottom end of the sliding column.

As a modified scheme of the invention: the telescopic mechanism comprises two threaded rods driven to rotate by a driving mechanism, a threaded sleeve hinged with the swing rod is sleeved on each threaded rod, a sliding groove is formed in the swing rod, and a pin fixed on the fixing plate is arranged on the sliding groove in a penetrating mode in a sliding mode.

As a modified scheme of the invention: the driving mechanism comprises a driving bevel gear driven by a lifting motor, and a driven bevel gear I and a driven bevel gear II which are coaxially fixed with the two threaded rods respectively are connected to the two sides of the driving bevel gear in a meshed mode.

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

the telescopic device is simple and convenient to operate, the supporting plate II can drive the steps on the supporting plate II to extend through the arranged extending mechanism so as to adapt to different assembly requirements, the telescopic mechanism can drive the travelling wheels to stretch and retract through the arranged driving mechanism, the movement of the device is greatly promoted, the whole position of the structure can be guaranteed to be fixed after the travelling wheels retract, the firmness is promoted, the arranged elastic supporting assembly and the arranged guide mechanism can play an elastic buffering effect when the position of the supporting plate is telescopically adjusted, and the adjusting and using process is stable and efficient.

Drawings

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

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

fig. 4 is a schematic perspective view of the guide mechanism of the present invention.

In the figure: 1-a mobile station, 2-an adjusting motor, 3-a screw rod, 4-a lifting motor, 5-a traveling wheel, 6-a driven bevel gear I, 7-a driving bevel gear, 8-a driven bevel gear II, 9-a screw rod sleeve block, 10-a support plate I, 11-a connecting rod I, 12-a support plate II, 13-a pull rod, 14-a connecting rod II, 15-steps and 16-a guide frame, 17-horizontal plate, 18-horizontal plate, 19-guide rod, 20-limit spring, 21-extension plate, 22-sleeve, 23-sliding column, 24-roller, 25-damping spring, 26-threaded sleeve, 27-threaded rod, 28-oscillating bar, 29-pin column, 30-sliding groove, 31-fixing plate and 32-guide block.

Detailed Description

The technical scheme of the patent is further described in detail by combining the following specific embodiments:

example 1

Referring to fig. 1-4, an assembled stair for building includes a mobile station 1, a support plate I10 is vertically fixed at the bottom of the mobile station 1, the mobile station 1 is connected with a support plate II12 through an extension mechanism, a step 15 is fixedly installed on the support plate II12, a horizontal plate 17 slidably connected with the mobile station 1 through a guide mechanism is horizontally fixed at the upper end of the support plate II12, an extension plate 21 is horizontally fixed at the lower end of the support plate II12, an elastic support assembly is fixed at the bottom of the extension plate 21, a fixing plate 31 is fixed on the support plate I10, a swing rod 28 driven by a telescopic mechanism is rotatably installed on the fixing plate 31, and a traveling wheel 5 is rotatably installed at the lower end of the swing rod 28.

The mobile station 1 of this device is used for supporting extension mechanism, and extension mechanism can drive backup pad II12 and adjust for backup pad II12 can carry out the position and remove, makes this device can carry out the adaptability of installing the width and adjusts according to actual assembly needs.

Specifically, extension mechanism is including being located the inside lead screw 3 of mobile station 1, and the screw thread cover has cup jointed lead screw nest 9 on the lead screw 3, and it has parallel and isometric connecting rod I11 and connecting rod II14 to articulate between mobile station 1 and backup pad II12, and it has pull rod 13 to articulate between connecting rod II14 and the lead screw nest 9.

The extension mechanism is located in a cavity inside the mobile station 1, the adjusting motor 2 is used for driving the screw rod 3 to rotate, the screw rod 3 drives the screw rod sleeve block 9 on the screw rod 3 to move in the transverse position, the screw rod sleeve block 9 drives the connecting rod II14 and the connecting rod I11 to swing through the pull rod 13, and the supporting plate II12 drives the step 15 on the supporting plate II to move in the transverse position for adjustment. The whole adjusting process is simple and efficient, the inclination angle of the supporting plate II12 and the horizontal plane is not changed, and the smooth movement of the step 15 is ensured.

Example 2

In order to ensure the stable movement of the supporting plate II12, on the basis of embodiment 1, in addition, the device is further provided with a guiding mechanism, which comprises a guiding groove 18 formed in the side wall of the horizontal plate 17, a guiding frame 16 is slidably mounted at the bottom of the horizontal plate 17, a guiding block 32 slidably embedded in the guiding groove 18 is fixed on the inner side wall of the guiding frame 16, a plurality of guiding rods 19 fixed at the bottom of the guiding frame 16 are slidably embedded in the moving platform 1, and a limiting spring 20 is fixedly connected between the guiding rods 19 and the moving platform 1

The horizontal plate 17 that sets up is used for with the step 15 parallel and level of the highest department on backup pad II12, make things convenient for the assembly of this device to use, backup pad II12 carries out the in-process that removes under the drive of extension mechanism, slide along guide slot 18 on the leading truck 16, it is spacing to realize horizontal direction, and during this period, guide arm 19 is along the mobile station 1 longitudinal sliding, spacing spring 20 deformation extension or compression, realize longitudinal direction effect, horizontal plate 17 is very steady together with backup pad II12 and step 15's removal.

In addition, in the process that backup pad II12 removed, in order to guarantee the steady contact of backup pad II12 and ground, this device has still set up the elastic support subassembly including fixing the sleeve 22 in extension board 21 bottom, vertical slidable mounting has traveller 23 in the sleeve 22, traveller 23 bottom rotates installs gyro wheel 24, in the in-process that backup pad II12 moved down, gyro wheel 24 and ground contact, traveller 23 slides along sleeve 22, damping spring 25 deformation compression realizes the elastic support contact, the rigidity impact has been surperficial, the stability of this device in the adjustment process has been promoted.

In order to facilitate the movement of the device and realize high-efficiency assembly efficiency, the telescopic mechanism of the device comprises two threaded rods 27 driven to rotate by a driving mechanism, a threaded sleeve 26 hinged with a swing rod 28 is sleeved on the threaded rod 27, a sliding groove 30 is formed in the swing rod 28, a pin 29 fixed on a fixing plate 31 is slidably arranged on the sliding groove 30 in a penetrating mode, the driving mechanism comprises a driving bevel gear 7 driven by a lifting motor 4, and two sides of the driving bevel gear 7 are connected with a driven bevel gear I6 and a driven bevel gear II8 which are coaxially fixed with the two threaded rods 27 respectively in a meshed mode.

The elevator motor 4 of this device is used for driving the drive bevel gear 7 rotatory, the drive bevel gear 7 drives driven bevel gear I6 and the driven bevel gear II8 rotation of meshing with it simultaneously, and then realize that two threaded rod 27 counter-rotations and drive the threaded sleeve 26 on it in opposite directions or back-to-back motion, pin 29 slides along spout 30 this moment, the pendulum rod 28 realizes the swing, walking wheel 5 can realize extending or shrink, when walking wheel 5 extends, mobile station 1 can carry out nimble removal in order to confirm the mounted position, when walking wheel 5 contracts, backup pad I10 and ground support contact, realize stable the placing after this device position is confirmed.

In conclusion, the device is simple and convenient to operate, the supporting plate II12 can drive the steps 15 on the supporting plate II12 to extend through the arranged extending mechanism so as to adapt to different assembly requirements, the telescopic mechanism can drive the travelling wheels 5 to stretch and retract through the arranged driving mechanism, the movement of the device is greatly promoted, the whole position of the structure can be guaranteed to be fixed after the travelling wheels 5 are contracted, the firmness is improved, the elastic supporting assembly and the guiding mechanism can play an elastic buffering effect when the position of the supporting plate II12 is adjusted in a telescopic mode, and the adjustment and use process is stable and efficient.

It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various modifications, improvements and substitutions can be made without departing from the spirit of the invention, and all of them belong to the protection scope of the technical solution. The protection scope of this technical solution patent should be subject to the appended claims.

Claims

1. The assembled stair for the building comprises a moving platform (1), wherein a support plate I (10) is vertically fixed at the bottom of the moving platform (1), and is characterized in that a support plate II (12) is connected to the moving platform (1) through an extension mechanism in a driving manner, a step (15) is fixedly mounted on the support plate II (12), a horizontal plate (17) which is connected with the moving platform (1) through a guide mechanism in a sliding manner is horizontally fixed at the upper end of the support plate II (12), an extension plate (21) is horizontally fixed at the lower end of the support plate II (12), an elastic supporting component is fixed at the bottom of the extension plate (21), a fixing plate (31) is fixed on the support plate I (10), a swing rod (28) which is driven by a telescopic mechanism is rotatably mounted on the fixing plate (31), a travelling wheel (5) is rotatably mounted at the lower end of the swing rod (28), and the extension, lead screw sleeve (9) have been gone up to screw (3) threaded sleeve, it has parallel and isometric connecting rod I (11) and connecting rod II (14) to articulate between mobile station (1) and backup pad II (12), it has pull rod (13) to articulate between connecting rod II (14) and lead screw sleeve (9), guiding mechanism is including seting up guide slot (18) at horizontal plate (17) lateral wall, horizontal plate (17) bottom slidable mounting has leading truck (16), leading truck (16) inside wall is fixed with to slide and inlays guide block (32) of establishing in guide slot (18).

2. The fabricated building stair as claimed in claim 1, wherein a plurality of guide rods (19) fixed at the bottom of the guide frame (16) are embedded in the movable platform (1) in a sliding manner, and a limiting spring (20) is fixedly connected between the guide rods (19) and the movable platform (1).

3. Assembled stairway according to claim 1, characterized in that the elastic support assembly comprises a sleeve (22) fixed to the bottom of the extension plate (21), a sliding column (23) being vertically slidably mounted in the sleeve (22), and a roller (24) being rotatably mounted at the bottom end of the sliding column (23).

4. The fabricated building stair as claimed in claim 1, wherein the telescoping mechanism comprises two threaded rods (27) driven by the driving mechanism to rotate, a threaded sleeve (26) hinged to the swing rod (28) is sleeved on the threaded rods (27) in a threaded manner, a sliding groove (30) is formed in the swing rod (28), and a pin (29) fixed on the fixing plate (31) is slidably arranged on the sliding groove (30) in a penetrating manner.

5. Assembled stairway for buildings according to claim 4, characterized in that the drive means comprise a drive bevel gear (7) driven by the elevator motor (4), the drive bevel gear (7) being engaged on both sides by a driven bevel gear I (6) and a driven bevel gear II (8) fixed coaxially with the two threaded rods (27), respectively.