CN219196619U

CN219196619U - Quick installation levelling device of prefabricated wall under window

Info

Publication number: CN219196619U
Application number: CN202223506984.XU
Authority: CN
Inventors: 梁知会; 韩宇; 胡浩; 周超; 赵骏; 梅成; 陈珍旺; 苗承雨; 牛维宏
Original assignee: China Construction Science and Industry Corp Ltd
Current assignee: China Construction Science and Industry Corp Ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-06-16
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a rapid installation and leveling device for prefabricated under-window walls, which relates to the technical field of assembly type buildings and comprises the following components: the upper end of the base is connected with a bulge which can be embedded into the clamping groove, and the upper end of the base is used for supporting the prefabricated under-window wall; the outer sleeve is vertically arranged on the structural support, and a gear is rotatably arranged on the side wall of the outer sleeve; the racks are respectively embedded into the corresponding outer sleeves and can move up and down along the outer sleeves, the racks are meshed with the gears, and the gears can be driven to move up and down when rotating. The utility model effectively shortens the time of site construction and improves the working efficiency.

Description

Quick installation levelling device of prefabricated wall under window

Technical Field

The utility model relates to the technical field of assembled buildings, in particular to a rapid installation leveling device for prefabricated under-window walls.

Background

The PC assembly type building material is used as a representative of a green building, and has the advantages of good material comprehensive performance, high material utilization rate, excellent safety performance, factory prefabrication of all components, fast construction progress and obvious comprehensive cost advantage. The PC component is used as a component of the construction main body subsection engineering, and after components such as main PC columns, beams and the like are transported to a construction site, the construction site is immediately assembled and permanently fixed through high-pressure grouting connection among the components. In addition, semi-assembly construction can be performed, namely, after a part of non-bearing components such as prefabricated partition walls, prefabricated under-window walls and the like are transported to a construction site, quick assembly and permanent fixation are realized through seat slurry connection and other situations. The prefabricated under-window wall building construction site components mainly adopt a construction installation mode of building blocks, and are hoisted in place and assembled layer by layer in situ at high altitude by professional constructors through hoisting equipment. As a non-load-bearing member, under the condition of ensuring quality, the method is limited to the setting time of the seat paste, the installation speed is a primary ensuring condition, otherwise, the problems of deviation, large flatness difference and the like are extremely easy to occur. The traditional steel pipe support is used for supporting short plates with long time, more people consumption, poor adjustability and the like in a construction site support system, and the site construction progress and quality are seriously affected.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the rapid installation leveling device for the prefabricated under-window wall, which can rapidly support and adjust the prefabricated under-window wall to be horizontal.

According to an embodiment of the first aspect of the utility model, a rapid installation leveling device for a prefabricated under-window wall is used for leveling the prefabricated under-window wall with a clamping groove at the lower end, and comprises: the upper end of the base is connected with a protrusion which can be embedded into the clamping groove, and the upper end of the base is used for supporting the prefabricated under-window wall; the outer sleeve is vertically arranged on the structural support, and gears are rotatably arranged on the side wall of the outer sleeve; the racks are respectively embedded into the corresponding outer sleeves and can move up and down along the outer sleeves, the racks are meshed with the gears, and the gears can drive the racks to move up and down when rotating.

According to the embodiment of the utility model, the rapid installation leveling device for the prefabricated under-window wall has at least the following beneficial effects: the prefabricated wall under the window realizes quick location through bellied cooperation on draw-in groove and the base, has simplified the flow when lifting device hoists, adopts a plurality of outer sleeves and rack that can used repeatedly to support base and prefabricated wall under the window, can adjust the prefabricated wall under the window to horizontal position fast, the effectual time of shortening on-the-spot construction, improvement work efficiency.

According to some embodiments of the utility model, the outer sleeve sidewall defines a first opening, and the gear is rotatably mounted to the outer sleeve sidewall and passes through the first opening.

According to some embodiments of the utility model, the gear is provided with a crank for easy handling.

According to some embodiments of the utility model, the outer sleeve side wall is provided with a unidirectional rotation mechanism in driving connection with the rack, the unidirectional rotation mechanism having a first state enabling the rack to move upwards only and a second state enabling the rack to move up and down.

According to some embodiments of the utility model, the unidirectional rotation mechanism comprises a driven wheel, a ratchet wheel and a pawl, wherein a second opening is formed in the side wall of the outer sleeve, the driven wheel is rotatably arranged on the outer wall of the outer sleeve, the driven wheel penetrates through the second opening and is meshed with the rack, the ratchet wheel is in transmission connection with the driven wheel, the pawl is hinged on the outer wall of the outer sleeve, and the pawl can be attached to the ratchet wheel so that the ratchet wheel can only rotate unidirectionally.

According to some embodiments of the utility model, a shift lever is arranged at one end of the pawl away from the ratchet wheel, a spring is arranged between the shift lever and the outer wall of the outer sleeve, the spring is used for driving the shift lever to enable the pawl to be attached to the ratchet wheel, when the unidirectional rotation mechanism is in a first state, the pawl is attached to the ratchet wheel, and when the unidirectional rotation mechanism is in a second state, the pawl is separated from the ratchet wheel.

According to some embodiments of the utility model, a top plate is connected to the upper end of the rack, and the top plate is larger than the rack in size so as to reduce the pressure intensity when the base is propped against the rack.

According to some embodiments of the utility model, the unidirectional rotation mechanism is symmetrically arranged with two unidirectional rotation mechanisms.

According to some embodiments of the utility model, the top of the protrusion is provided with a chamfer.

According to the embodiment of the utility model, the rapid installation leveling device for the prefabricated under-window wall has at least the following beneficial effects:

(1) The protrusions play a role in positioning after being embedded into the clamping grooves, and play a role in limiting, so that the prefabricated under-window wall is prevented from sliding off the base when the base is inclined;

(2) The ratchet wheel is matched with the pawl, so that unidirectional movement of the rack is realized when the height of the prefabricated under-window wall is adjusted, and the working efficiency is improved;

(3) After the installation is finished, the deflector rod is stirred, so that the unidirectional rotation mechanism is switched to a second state, the rack is released from being fixed and retracted into the outer sleeve under the action of gravity, and the disassembly and the storage are convenient.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic overall cross-sectional view of an embodiment of the present utility model;

FIG. 2 is a bottom view of a base of one embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a base according to an embodiment of the present utility model;

FIG. 4 is a schematic view of an outer sleeve according to one embodiment of the present utility model;

FIG. 5 is a schematic view of a unidirectional rotation mechanism according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a gear according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a rack in accordance with an embodiment of the present utility model;

fig. 8 is a schematic view of a first connection board according to an embodiment of the utility model.

Reference numerals:

a card slot 100;

prefabricated under-window wall 200;

base 300, projection 310;

outer sleeve 400, bottom plate 401, gear 410, crank 411, spindle 412, first opening 420, first connection plate 421, second opening 430, second connection plate 431;

rack 500, top plate 510;

unidirectional rotation mechanism 600, driven wheel 610, driven shaft 611, ratchet 620, shift lever 621, spring 622, spring plate 623, pawl 630.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, plural means two or more. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 8, a rapid installation leveling device for a prefabricated under-window wall according to an embodiment of the present utility model is used for leveling a prefabricated under-window wall 200 having a clamping groove 100 at a lower end, and includes: the base 300, the outer sleeve 400, the rack 500, the welding of base 300 upper end has the protruding 310 that can imbed in the draw-in groove 100, protruding 310 size and draw-in groove 100's size match, play the locate action after protruding 310 imbeds in the draw-in groove 100, prevent prefabricated under-window wall 200 and base 300 to produce the horizontal direction and remove, base 300 upper end is used for supporting prefabricated under-window wall 200, even base 300 is inclined to place, because protruding 310's spacing effect, prefabricated under-window wall 200 also can not follow the base 300 landing, and after prefabricated under-window wall 200 installs, the downward movement base 300 can make prefabricated under-window wall 200 separate with base 300, the installation flow has been simplified. The working efficiency is improved. A structural support is arranged below the prefabricated under-window wall 200, the outer sleeve 400 is vertically arranged above the structural support, the structural support is a horizontal plane of a part which is already installed on a building, it is envisioned that in order to prevent the outer sleeve 400 from shaking, a bottom plate 401 is arranged at the lower end of the outer sleeve 400, the contact area between the outer sleeve 400 and the structural support is increased by the bottom plate 401, and a gear 410 is rotatably arranged on the side wall of the outer sleeve 400; the rack 500 is inserted into the outer sleeve 400 and can move up and down along the outer sleeve 400. The cross section of the rack 500 is rectangular, the outer sleeve 400 is a hollow square tube, the size of the rack 500 is matched with the size of the square tube, the rack 500 is meshed with the gear 410, and because the rack 500 and the outer sleeve 400 are rectangular, the rack 500 cannot rotate in the outer sleeve 400 so as to ensure that the rack 500 is meshed with the gear 410, and the gear 410 can drive the rack 500 to move up and down when rotating, so that the prefabricated under-window wall 200 and the base 300 can be lifted horizontally to move to a designated installation position.

Referring to fig. 4 to 6, it can be understood that a first opening 420 is formed in a side wall of the outer sleeve 400, two parallel first connecting plates 421 are welded on the side wall of the outer sleeve 400, a main shaft 412 is arranged in the center of the gear 410 in a penetrating manner, the main shaft 412 is in transmission connection with the gear 410 through a flat key, the main shaft 412 penetrates through the two first connecting plates 421, the gear 410 is located between the two first connecting plates 421, the gear 410 penetrates through the first opening 420 and then is meshed with the rack 500, and when the main shaft 412 drives the gear 410 to rotate, the rack 500 can be driven to move up and down. The gear 410 is convenient to replace and disassemble and convenient to maintain.

Referring to fig. 4 to 6, it can be understood that the gear 410 is provided with a crank 411 which is convenient to operate, and since the prefabricated under-window wall 200 and the base 300 have a large weight, it is difficult to directly rotate the main shaft 412, so that the rack 500 can be driven to be lifted and lowered by the crank 411 with more effort.

Referring to fig. 4 to 8, it can be understood that the side wall of the outer sleeve 400 is provided with a unidirectional rotation mechanism 600, the unidirectional rotation mechanism 600 is in transmission connection with the rack 500, the unidirectional rotation mechanism 600 has a first state in which the rack 500 can only move upwards and a second state in which the rack 500 can move upwards and downwards, when the unidirectional rotation mechanism 600 is in the first state, the crank 411 is rotated to lift the rack 500, the base 300 and the prefabricated under-window wall 200 are driven to reach a designated position, and after leveling, the crank 411 is released, so that the prefabricated under-window wall 200 can be fixed at a position required to be installed. The operation is swift can reduce installation time, improves work efficiency.

Referring to fig. 1 to 8, it can be understood that the unidirectional rotation mechanism 600 includes a driven wheel 610, a ratchet 620 and a pawl 630, the side wall of the outer sleeve 400 is provided with a second opening 430, the second opening 430 is located right above the first opening 420, two second connecting plates 431 parallel to each other are welded on the outer wall of the outer sleeve 400, a driven wheel 611 is penetrated through the center of the driven wheel 610, the driven wheel 611 is penetrated through the second connecting plates 431, the driven wheel 610 and the ratchet 620 are sleeved on the driven wheel 611, and the driven wheel 610 and the ratchet 620 are both in transmission connection with the driven wheel 611 through a flat key. The driven wheel 610 passes through the second opening 430 and is engaged with the rack 500, the rack 500 moves upwards to drive the driven wheel 610 to rotate so as to drive the ratchet wheel 620 to rotate, the pawl 630 is hinged to the outer wall of the outer sleeve 400, the pawl 630 can be attached to the ratchet wheel 620, the pawl 630 does not influence the ratchet wheel 620 to rotate when the rack 500 moves upwards to drive the ratchet wheel 620 to rotate, and the pawl 630 enables the ratchet wheel 620 to be fixed and not rotate so that the ratchet wheel 620 can only rotate unidirectionally when the rack 500 moves downwards to drive the ratchet wheel 620 to rotate. The ratchet 620 and the pawl 630 cooperate to realize automatic locking of the current position after the rack 500 rises, and the structure is simple and reliable.

Referring to fig. 5, it will be appreciated that the pawl 630 has a rod 621 integrally formed at one end thereof remote from the ratchet 620, a spring plate 623 is welded to the outer wall of the outer sleeve 400, a spring 622 is disposed between the rod 621 and the spring plate 623, one end of the spring 622 abuts against the rod 621, the other end abuts against the spring plate 623, a mounting post is welded to the spring plate 623, the spring 622 is partially sleeved on the mounting post, and the mounting post limits the spring 622 to prevent the spring 622 from being separated from the spring plate 623. The spring 622 is used to drive the lever 621 such that the pawl 630 abuts against the ratchet 620, and the pawl 630 abuts against the ratchet 620 when the unidirectional rotation mechanism 600 is in the first state, and the pawl 630 is separated from the ratchet 620 when the unidirectional rotation mechanism 600 is in the second state. The spring 622 drives the shift lever 621 to make the pawl 630 abut against the ratchet 620, at this time, the unidirectional rotation mechanism 600 can be kept in the first state, and an operator can switch the unidirectional rotation mechanism 600 to the second state by shifting the shift lever 621, at this time, the rack 500 can descend under the action of gravity and drive the ratchet 620 to rotate.

Referring to fig. 7, it can be appreciated that a top plate 510 is welded to the upper end of the rack 500, the top plate 510 is horizontally disposed, the top plate 510 is larger than the rack 500, and the top plate 510 can increase the contact area of the rack 500 when supporting the base 300, so as to reduce the pressure when the base 300 is abutted against the rack 500. The deformation of the base 300 due to stress concentration during long-term use is prevented.

Referring to fig. 1, it can be understood that two unidirectional rotation mechanisms 600 are symmetrically arranged, and the two unidirectional rotation mechanisms 600 are symmetrically arranged on the side wall of the outer sleeve 400, and the unidirectional rotation mechanisms 600 limit the racks 500 from both sides of the racks 500, so that the racks 500 of the unidirectional rotation mechanisms 600 can be more stably fixed to the racks 500 in the first state.

Referring to fig. 3, it can be understood that the top of the protrusion 310 is provided with a chamfer, and the chamfer at the top of the protrusion 310 plays a guiding role during the insertion of the protrusion 310 into the card slot 100, so that the protrusion 310 is more easily inserted into the card slot 100, and the installation speed is improved.

The using steps are as follows: placing the lower end of the outer sleeve 400 on a structural support, pulling the deflector rod 621 to switch the unidirectional rotation mechanism 600 to a second state, moving the rack 500 of the outer sleeve 400 to the lowest point under the action of gravity, then loosening the deflector rod 621, switching the unidirectional rotation mechanism 600 to a first state, placing the prefabricated under-window wall 200 on the base 300, embedding the protrusion 310 on the base 300 into the clamping groove 100 for positioning, hoisting the base 300 and the prefabricated under-window wall 200 above the structural support, rotating the crank 411 to enable the rack 500 to rise until the top plate 510 contacts the bottom plate 401, then adjusting the crank 411 to enable the prefabricated under-window wall 200 to keep horizontal, loosening the crank 411, locking the position of the rack 500 by the unidirectional rotation mechanism 600, enabling the rack 500 to move downwards, fixing the prefabricated under-window wall 200 at a position required to be installed at the moment, and pouring concrete can be started after hoisting equipment is released.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides a prefabricated under-window wall installs levelling device fast for prefabricated under-window wall (200) that draw-in groove (100) have been seted up to the leveling lower extreme, its characterized in that includes:

the upper end of the base (300) is connected with a protrusion (310) which can be embedded into the clamping groove (100), and the upper end of the base (300) is used for supporting the prefabricated under-window wall (200);

a plurality of outer sleeves (400) vertically mounted on the structural support, the side walls of the outer sleeves (400) being rotatably provided with gears (410);

the racks (500) are respectively embedded into the corresponding outer sleeves (400) and can move up and down along the outer sleeves (400), the racks (500) are meshed with the gears (410), and the gears (410) can drive the racks (500) to move up and down when rotating.

2. The prefabricated under-window wall quick installation leveling device according to claim 1, wherein: the side wall of the outer sleeve (400) is provided with a first opening (420), and the gear (410) is rotatably arranged on the side wall of the outer sleeve (400) and penetrates through the first opening (420).

3. The prefabricated under-window wall quick installation leveling device according to claim 2, wherein: the gear (410) is provided with a crank (411) which is convenient to operate.

4. A prefabricated under-window wall quick-mounting leveling device as defined in claim 3, wherein: the side wall of the outer sleeve (400) is provided with a unidirectional rotation mechanism (600), the unidirectional rotation mechanism (600) is in transmission connection with the rack (500), and the unidirectional rotation mechanism (600) is provided with a first state enabling the rack (500) to only move upwards and a second state enabling the rack (500) to move up and down.

5. The rapid installation leveling device for prefabricated under-window walls according to claim 4, wherein: the unidirectional rotation mechanism (600) comprises a driven wheel (610), a ratchet wheel (620) and a pawl (630), wherein a second opening (430) is formed in the side wall of the outer sleeve (400), the driven wheel (610) is rotatably arranged on the outer wall of the outer sleeve (400), the driven wheel (610) penetrates through the second opening (430) and is meshed with the rack (500), the ratchet wheel (620) is in transmission connection with the driven wheel (610), the pawl (630) is hinged to the outer wall of the outer sleeve (400), and the pawl (630) can be attached to the ratchet wheel (620) so that the ratchet wheel (620) can only rotate unidirectionally.

6. The rapid installation leveling device for prefabricated under-window walls according to claim 5, wherein: one end that pawl (630) kept away from ratchet (620) is equipped with driving lever (621), driving lever (621) with be provided with spring (622) between outer wall of outer sleeve (400), spring (622) are used for driving lever (621) so that pawl (630) with ratchet (620) are pasted mutually, when unidirectional rotation mechanism (600) are located the first state, pawl (630) with ratchet (620) are pasted mutually, when unidirectional rotation mechanism (600) are located the second state, pawl (630) with ratchet (620) separation.

7. The rapid installation leveling device for prefabricated under-window walls according to claim 6, wherein: the upper end of the rack (500) is connected with a top plate (510), and the size of the top plate (510) is larger than that of the rack (500) so as to reduce the pressure intensity when the base (300) is propped against the rack (500).

8. The rapid installation leveling device for prefabricated under-window walls according to claim 6, wherein: two unidirectional rotation mechanisms (600) are symmetrically arranged.

9. The prefabricated under-window wall quick installation leveling device according to claim 1, wherein: the top end of the bulge (310) is provided with a chamfer.