CN216190334U

CN216190334U - Prefabricated stair hoist of assembled

Info

Publication number: CN216190334U
Application number: CN202122626293.2U
Authority: CN
Inventors: 覃幼辙; 张华�; 黄礼芳; 罗小锋; 马小锋
Original assignee: Guangxi Construction Engineering Track Assembly Precast Concrete Co ltd; Guangxi Construction Engineering Rail Assembly Construction Industry Co ltd
Current assignee: Guangxi Construction Engineering Track Assembly Precast Concrete Co ltd; Guangxi Construction Engineering Rail Assembly Construction Industry Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-05
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses an assembled prefabricated staircase lifting appliance, which comprises a first cross beam, a second cross beam, a slide rod, a hydraulic jack, a lifting piece, a threaded hole, a bolt and a hand-hung gourd hanging piece, wherein the two sides of the first cross beam and the second cross beam are connected through the slide rod; one end of the sliding rod is welded and fixed on the second cross beam, and the other end of the sliding rod penetrates through the first cross beam and is connected with the first cross beam in a sliding manner; the sliding rod is provided with a plurality of threaded holes and is fixedly connected with the first cross beam in a positioning way through the threaded holes and bolts; a hydraulic jack is arranged between the first cross beam and the second cross beam; two ends of the top surfaces of the first cross beam and the second cross beam are provided with a hanging piece; and the hand hoist hanging pieces are fixedly arranged on two sides of the first cross beam and the second cross beam. The lifting appliance is designed in an adjustable mode, the width of the lifting appliance can be adjusted or a proper position is selected to install the hand-hung hoist according to the longitudinal distance and the transverse distance of the lifting holes in the prefabricated staircase, and the rope on the hand-hung hoist is ensured to be vertical in the lifting process.

Description

Prefabricated stair hoist of assembled

Technical Field

The utility model relates to the technical field of lifting appliances, in particular to an assembled prefabricated stair lifting appliance.

Background

The prefabricated staircase is composed of a plurality of continuous steps between two platforms or a combination of the continuous steps and the platforms, and can be divided into a plate type staircase and a beam plate type staircase according to the structural form. The prefabricated staircase can be divided into 5 types, namely, a non-flat type, a low-end flat type, a high-end flat type and a low-end flat type and a middle flat type according to the section form of the stair sections. The prefabricated staircase can be divided into two types according to different sizes of components, namely a small component assembly type and a large or medium component assembly type. The former has small and light components and is easy to manufacture, but the construction is complex, the operation is more, the manpower is consumed, and the former is commonly used in areas with poorer construction conditions; the hoisting tool can be installed easily, so that the construction is simplified, the speed is increased, and the labor intensity is reduced. At present, most of hoisting prefabricated staircases directly adopt sling to connect a component and hoisting equipment, and because the prefabricated staircases are long in length and hoisting devices of the prefabricated staircases are all embedded in concrete, the sling is long, and the hoisting rings and the component are unreasonable in stress; the prefabricated staircase is required to be adapted to different building forms, and the size diversity of the prefabricated staircase is necessarily generated. Therefore, it is necessary to provide a prefabricated staircase sling with adjustable size to solve the hoisting problem of prefabricated staircases with different specifications and sizes.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an assembled prefabricated staircase lifting appliance.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an assembled prefabricated stair lifting appliance comprises a first cross beam, a second cross beam, a sliding rod, a hydraulic jack, a lifting piece, a threaded hole, a bolt and a hand-hung gourd hanging piece, wherein two ends of the first cross beam and two ends of the second cross beam are connected through the sliding rod; one end of the sliding rod is welded and fixed on the second cross beam, and the other end of the sliding rod penetrates through the first cross beam and is connected with the first cross beam in a sliding manner; the sliding rod is provided with a plurality of threaded holes according to different widths of the prefabricated staircase, and the sliding rod is fixedly connected with the first cross beam in a positioning way through the threaded holes and bolts; a hydraulic jack for adjusting the distance between the first cross beam and the second cross beam is arranged between the first cross beam and the second cross beam; two ends of the top surfaces of the first cross beam and the second cross beam are respectively and fixedly provided with a hanging piece; the hand hoist pendant is fixedly arranged on two sides of the first cross beam and the second cross beam.

The lifting appliance is designed in an adjustable mode, the width of the lifting appliance can be adjusted or a proper position is selected to install the hand-hung hoist according to the longitudinal distance and the transverse distance of the lifting holes in the prefabricated staircase, and the rope on the hand-hung hoist is ensured to be vertical in the lifting process.

Furthermore, the shape of the hand hoist pendant is a right-angle plate, and the hand hoist pendant is fixedly connected with the first cross beam and the second cross beam in a hanging manner; the hand hoist pendant is provided with a row of hanging holes.

Furthermore, the side of the hanging hole is marked with a label corresponding to the type of the prefabricated staircase, and a proper hanging hole can be selected to install the hand hoist according to the length of the prefabricated staircase or the transverse distance of the hoisting hole.

Furthermore, the cross section of the sliding rod is rectangular, so that the connecting bolt can be conveniently installed on the sliding rod, and the rotating condition can not occur.

The iron carrying pole is connected with the hanging piece through the sling; the projection of the iron carrying pole is positioned at the center of the projection of the lifting appliance, so that the iron carrying pole is convenient to connect and install with a crane, and the lifting appliance is guaranteed to be stressed uniformly in the lifting process.

The utility model has the advantages that: the lifting appliance designed by the utility model can meet the lifting requirements of prefabricated stairs with different specifications, the width of the lifting appliance can be adjusted and a proper hanging hole can be selected according to the transverse or longitudinal distance of the lifting hole on the prefabricated stairs, so that the rope on the hand-hung hoist is always in a vertical state in the lifting process, the rope is prevented from being stressed obliquely, and the integral rated load of the lifting appliance is increased.

Drawings

FIG. 1 is a perspective view of an assembled prefabricated staircase spreader of the present invention;

fig. 2 is a front view of a fabricated stair sling according to the utility model.

Detailed Description

The utility model is described in detail below with reference to the accompanying drawings:

in the description of the present invention, it should be noted that the directions or positional relationships indicated by "horizontal", "vertical", and the like are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships which are usually placed when the products of the present invention are used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the component to be referred to must have a specific direction to be constructed and operated in a specific direction, and thus, cannot be construed as limiting the present invention.

As shown in fig. 1-2, an assembly type prefabricated staircase lifting appliance comprises a first cross beam 1, a second cross beam 2, a sliding rod 3, a hydraulic jack 4, a hanger 5, a threaded hole 6, a bolt 7, a hoist hanger 8, a sling 10 and an iron carrying pole 11, wherein the first cross beam 1 and the second cross beam 2 are arranged in parallel in an aligned manner, two ends of the first cross beam 1 and the second cross beam 2 are connected through the sliding rod 3, one end of the sliding rod 3 is welded and fixed on the second cross beam 2, and a welding point is the inner side surface of the second cross beam 2; the other end of the sliding rod 3 passes through the first cross beam 1 and is in sliding connection with the first cross beam, namely the other end of the sliding rod 3 is a free end, a through sliding groove matched with the first cross beam 1 is arranged on the transverse vertical side face of the first cross beam 1, and the sliding rod 3 can be adjusted to slide when needed. The vertical interval of its hole of hoist is decided according to the different width of prefabricated stair (the width of stair, and the main purpose is through adjusting the vertical interval that two crossbeams come the cooperation hole of hoist to the interval on slide bar 3, and its rope is the vertically when convenient follow-up use hoist handling prefabricated stair is provided with 3 screw holes 6, slide bar 3 through screw hole 6 and bolt 7 with first crossbeam 1 location fixed connection, can be provided with the through-hole that insert bolt 7 and screw hole 6 cooperation were used on first crossbeam 1. After the distance between the two cross beams is adjusted, the sliding rod 3 and the first cross beam 1 can be fixed through the bolt 7, and the lifting appliance is prevented from being loosened when the lifting prefabricated staircase is subjected to heavy load. A hydraulic jack 4 for adjusting the distance between the first crossbeam 1 and the second crossbeam 2 is arranged between the first crossbeam 1 and the second crossbeam 2, and two ends of the hydraulic jack 4 can be connected with the first crossbeam 1 and the second crossbeam 2 in a threaded connection, screwing and fixing mode or a welding mode. The hydraulic jack 4 not only plays the whole rigidity of reinforcing hoist but also carries out accurate fine setting to the interval between two crossbeams (first crossbeam 1 and second crossbeam 2), because can not be quick during the adjustment of manual pull, accurate messenger's screw hole 6 aligns with the through-hole on the first crossbeam 1. Two ends of the top surfaces of the first cross beam 1 and the second cross beam 2 are respectively and fixedly provided with a hanging piece 5, and the iron carrying pole 11 is connected with the hanging pieces 5 through slings 10; the projection of iron carrying pole 11 is located the central point of hoist projection, just can even atress of hoist when hoist lifts by crane like this. The hand hoist pendant 8 is fixedly arranged on two sides of the first cross beam 1 and the second cross beam 2, namely, two sides of each cross beam are provided with the hand hoist pendant 8, and the hand hoist pendant 8 is mainly used for mounting the hand hoist. Hand hoist pendant 8's shape be the right angle board, hand hoist pendant 8 is hung with first crossbeam 1 and second crossbeam 2 and is leaned on laminating fixed connection, specific mounting means is the horizontal segment of hand hoist pendant 8 and the top surface fixed connection of first crossbeam 1 and second crossbeam 2, the vertical section of hand hoist pendant 8 and the vertical face fixed connection in outside of first crossbeam 1 and second crossbeam 2 can increase hand hoist pendant 8's bearing capacity like this. The hand hoist pendant 8 on be provided with one row of hanging hole 9, the next door of hanging hole 9 is marked with the corresponding reference numeral of prefabricated stair model, can select the hanging hole 9 of hand hoist installation according to the model of prefabricated stair.

The cross section of the sliding rod 3 used in the technical scheme of the embodiment is rectangular, so that the lifting appliance can be prevented from being twisted due to rotation when stressed. The slide bar 3 and the first beam 1 can be fixedly connected in a positioning way by adopting a bolt-nut connection or other connection ways besides a threaded hole and a bolt connection.

Although particular embodiments of the present invention have been described and illustrated in detail, it should be noted that various changes and modifications could be made to the above-described embodiments without departing from the spirit of the utility model and the scope of the appended claims.

Claims

1. The assembled prefabricated stair lifting appliance is characterized by comprising a first cross beam (1), a second cross beam (2), a sliding rod (3), a hydraulic jack (4), a hanger (5), a threaded hole (6), a bolt (7) and a hand hoist hanger (8), wherein two ends of the first cross beam (1) and the second cross beam (2) are connected through the sliding rod (3); one end of the sliding rod (3) is welded and fixed on the second cross beam (2), and the other end of the sliding rod (3) penetrates through the first cross beam (1) and is connected with the first cross beam in a sliding manner; the sliding rod (3) is provided with a plurality of threaded holes (6) according to different widths of the prefabricated staircase, and the sliding rod (3) is fixedly connected with the first cross beam (1) in a positioning manner through the threaded holes (6) and the bolts (7); a hydraulic jack (4) for adjusting the distance between the first cross beam (1) and the second cross beam (2) is arranged between the first cross beam and the second cross beam; two ends of the top surfaces of the first beam (1) and the second beam (2) are respectively and fixedly provided with a hanger (5); and the hand-hung gourd hanging pieces (8) are fixedly arranged on two sides of the first cross beam (1) and the second cross beam (2).

2. The assembly type prefabricated staircase sling according to claim 1, wherein the shape of the hand hoist hanger (8) is a right-angle plate, and the hand hoist hanger (8) is fixedly connected with the first cross beam (1) and the second cross beam (2) in a hanging, abutting and adhering manner; the hand-hung gourd pendant (8) is provided with a row of hanging holes (9).

3. Prefabricated staircase spreader according to claim 2, characterized in that the side of the hanging hole (9) is marked with a reference number corresponding to the type of prefabricated staircase.

4. A fabricated staircase spreader according to claim 3, characterised in that the cross-section of the slide bars (3) is rectangular.

5. The prefabricated staircase sling according to claim 3, further comprising a sling (10) and an iron carrying pole (11), wherein the iron carrying pole (11) is connected with the hanger (5) through the sling (10); the projection of the iron carrying pole (11) is positioned at the center of the projection of the lifting appliance.