CN110145123B

CN110145123B - Building templates strutting arrangement

Info

Publication number: CN110145123B
Application number: CN201910472845.3A
Authority: CN
Inventors: 陶宝华; 钱秀纯; 陆海涛; 谢宇岫; 刘婧婧
Original assignee: Nantong Keda Building Materials Co ltd; Huaxinjian Industrial Group Co ltd
Current assignee: Huaxinjian Industrial Group Co.,Ltd.; Nantong Keda Building Materials Technology Co.,Ltd.
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-08-28
Anticipated expiration: 2039-05-31
Also published as: CN110145123A

Abstract

The invention provides a building template supporting device, which effectively solves the problems that the overall stability of a spiral stair is poor during pouring, the operation difficulty of workers is high, the size of a lift angle of the stair is inconvenient to control, the lift angle of the same stair is uneven, the acting point of a template is insufficient for a lower stair, the labor productivity is low and the like; the technical scheme includes that the device comprises a vertically-placed cylindrical shell, a plurality of vertical and rotatable lead screws are arranged in the shell, the plurality of lead screws are uniformly distributed in a circumferential manner, each lead screw is sleeved with a cylinder, the cylinders are in threaded connection with the lead screws, vertical grooves are formed in the shell, a cross rod is arranged on each cylinder, sleeves are sleeved on the parts, outside the cavity of the shell, of the cross rods, and a plurality of telescopic rods are connected between every two adjacent sleeves; the upper end of the screw rod is fixed with a first chain wheel, the upper end of the shell is provided with a flywheel, the flywheel comprises a plurality of second chain wheels with different sizes, the plurality of second chain wheels are in one-to-one correspondence with the plurality of first chain wheels, and the second chain wheels are connected with the corresponding first chain wheels through chains.

Description

Building templates strutting arrangement

Technical Field

The invention relates to the technical field of building templates, in particular to a building template supporting device.

Background

The design styles of the spiral staircase are various, the requirements related to modeling and functions bring much inconvenience to the construction erection, and if the formwork erecting method is not proper, the errors of the components sometimes do not meet the standard and also do not meet the requirements of the design modeling and the like.

The traditional plug-in support rods form a spiral support surface, and then the template is fixed on the support surface, and the method needs a large number of steel columns to be built to form the support which ascends spirally. The shelf is mostly built temporarily, the stability is poor, time and labor are wasted when a worker builds the shelf, the lift angle of the stair is inconvenient to adjust, and even the lift angle is too large or too small in a local area.

And a few of supports are inserted with a column in the middle, and then a plurality of transverse support plates are sleeved on the column, and the support plates are rotated and fixed with the steel column to form a spiral ascending support. The mode is suitable for larger floor height, and for buildings with small floor height, only part of the support rods can play a supporting role, so that the support force for the template during pouring is insufficient, and additional auxiliary support needs to be additionally added.

In the building construction, a section of spiral stair is poured firstly on a certain part of spirally rising floors, then an annular platform floor is built, and then a section of spiral stair is spliced.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a building template supporting device which effectively solves the problems that the overall stability of a spiral stair is poor during pouring, the operation difficulty of workers is high, the size of a lift angle of the stair is inconvenient to control, the lift angle of the same stair is uneven, the acting point of a template is insufficient for a lower stair, additional auxiliary support is needed, the labor productivity is low and the like.

The technical scheme includes that the device comprises a vertically placed cylindrical shell, a plurality of vertical and rotatable lead screws are arranged in the shell, the plurality of lead screws are uniformly distributed in a circumferential manner, each lead screw is sleeved with a cylinder, the cylinders are in threaded connection with the lead screws, the lead screws can drive the cylinders to move up and down along the lead screws in a rotating manner, the shell is provided with a plurality of vertical grooves formed in the vertical direction, horizontal cross rods are fixed on the cylinders, the other ends of the cross rods extend out of the cavity of the shell through the vertical grooves, sleeves capable of rotating on the cross rods are sleeved on the parts, arranged outside the cavity of the shell, of the cross rods, and a plurality of telescopic rods are connected between every two adjacent sleeves; the lead screw upper end run through the casing curb plate and arrange the casing top in, the lead screw upper end is fixed with the first sprocket of level form, the casing upper end has rather than coaxial and can initiative pivoted flywheel, the flywheel includes a plurality of second sprockets different in size, the diameter from bottom to top of a plurality of second sprockets reduces in proper order, a plurality of second sprockets and a plurality of first sprocket one-to-one, the second sprocket is connected rather than the first sprocket that corresponds through the chain.

The spiral stair pouring device is ingenious in structure, effectively improves stability of spiral stair pouring, reduces operation difficulty of workers, facilitates control of the size of a stair lift angle, is uniform in lift angle of the same stair section, reduces labor amount of the workers, facilitates adjustment, can provide enough support for a template, is high in labor productivity, and can adapt to different floor heights.

Drawings

FIG. 1 is a front cross-sectional view of the present invention.

FIG. 2 is a top cross-sectional view of the present invention.

Fig. 3 is a state diagram of the present invention in use.

Fig. 4 is a schematic diagram illustrating the effect of the present invention in use.

FIG. 5 is a schematic structural view of a part of the present invention.

Detailed Description

The following description will explain embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, the invention includes a vertically placed cylindrical housing 1, a plurality of vertical and rotatable screws 2 are arranged in the housing 1, the plurality of screws are circumferentially and uniformly distributed, each screw 2 is sleeved with a cylinder 3, the cylinder 3 is in threaded connection with the screw 2, the screw 2 rotates to drive the cylinder 3 to move up and down along the screw 2, the housing 1 is provided with a plurality of vertical slots 4 along the vertical direction, the cylinder 3 is fixed with a horizontal cross rod 5, the other end of the cross rod 5 extends out of the cavity of the housing 1 through the vertical slot 4, the part of the cross rod 5 outside the cavity of the housing 1 is sleeved with a sleeve 6 capable of rotating on the cross rod 5, and a plurality of telescopic rods are connected between two adjacent sleeves 6; the upper end of the screw rod 2 penetrates through the upper side plate of the shell 1 and is arranged above the shell 1, a horizontal first chain wheel 7 is fixed at the upper end of the screw rod 2, a flywheel 8 which is coaxial with the upper end of the shell 1 and can rotate actively is arranged at the upper end of the shell 1, the flywheel 8 comprises a plurality of second chain wheels with different sizes, the diameters of the plurality of second chain wheels are sequentially reduced from bottom to top, the plurality of second chain wheels correspond to the plurality of first chain wheels 7 one by one, and the second chain wheels are connected with the corresponding first chain wheels 7 through chains;

the transmission ratio of flywheel (8) and first sprocket (7) all around increase along anticlockwise gradually, wherein the transmission ratio between foremost first sprocket (7) and flywheel (8) is minimum, flywheel (8) rotate and drive a plurality of first sprockets (7) and rotate simultaneously, it is inconsistent to finally realize the height that each drum (3) rises, and then make the height of a plurality of horizontal poles (5) increase along anticlockwise gradually, then formed spiral helicine holding surface.

In order to realize that the plurality of cross rods 5 can form a spiral shape along with the rotation of the screw rod 2, the transmission ratio of the flywheel 8 and the first chain wheel 7 on the periphery is gradually increased.

In order to realize that a plurality of horizontal poles 5 can form the heliciform holding surface, the telescopic link include hollow section of thick bamboo 9, there is the pull rod 10 that can slide in hollow section of thick bamboo 9 at hollow section of thick bamboo 9 intracavity both ends, be connected with the extension spring between two pull rods 10 in same hollow section of thick bamboo 9, the other end of pull rod 10 stretches out hollow section of thick bamboo 9 and is in the same place with 6 ball hinges of sleeve, the template is fixed and is formed the spiral holding surface on a plurality of horizontal poles 5 and a plurality of telescopic link.

In order to realize the firm installation of lead screw 2 in casing 1, also in order to prevent the crooked phenomenon from appearing after lead screw 2 atress, lead screw 2 upper and lower both ends all arrange the casing 1 outside in, both ends all have annular bulge about lead screw 2, annular bulge makes lead screw 2 and casing 1 not break away from.

In order to meet the actual requirements of the site, a horizontal bottom plate 11 is arranged on the lower side of the shell 1, a plurality of vertical hydraulic cylinders 12 are fixed on the bottom plate 11, and the upper ends of piston rods in the hydraulic cylinders 12 are fixed with the lower side plate of the shell 1.

The flywheel 8 is connected with a motor 13, and the motor 13 is fixed on the upper side plate of the shell 1.

It is worth noting that in order to prevent the sleeve 6 from being separated from the cross bar 5, one end of the cross bar 5 far away from the shell 1 extends out of the sleeve 6, and one end of the cross bar 5 extending out of the sleeve 6 is provided with an annular bulge; a tension wheel is arranged near the chain; if the stair is wider and thicker, a vertical steel pipe can be added between the cross bar 5 and the cross bar 5 for auxiliary support.

In the invention, for convenience of explanation, the transmission ratio between the first chain wheel 7 at the forefront and the flywheel 8 is set to be minimum, the transmission ratio between the flywheel 8 and the first chain wheel 7 is sequentially increased along the anticlockwise direction, and no telescopic rod is arranged between the sleeve 6 at the forefront and the sleeve 6 at the left side of the sleeve 6; in order to enable the starting point of the formed spiral surface to be always positioned at the bottom end of the shell 1, a fixed shaft is fixed at the lower end of the shell 1 and arranged along the radial direction of the shell 1, the fixed shaft is positioned below the last vertical groove 4 in the anticlockwise direction, and a cylinder 3 is sleeved on the fixed shaft.

During the use, earlier adjust the height of casing 1 through a plurality of pneumatic cylinders 12, then switch on motor 13 power, motor 13 rotates and drives flywheel 8 and rotates, flywheel 8 rotates a plurality of sprockets of different sizes and drives lead screw 2 all around respectively and rotates, lead screw 2 rotates and makes drum 3 above that upwards move along lead screw 2, because each lead screw 2 rotates the number of turns and is gradually increasing progressively the situation along the anticlockwise, so cause along the anticlockwise, drum 3's height gradually increases progressively, the height of horizontal pole 5 on a plurality of drums 3 increases gradually along the anticlockwise, drum 3 drives pull rod 10 on it and gradually outwards pulls out from the hollow cylinder 9 at place gradually, the telescopic link on drum 3 is stretched promptly, a plurality of horizontal poles 5, sleeve 6, the spiral helicine passageway has been constituteed to the telescopic link, can set up the template on spiral helicine passageway this moment, pour into a mould.

According to the invention, the up-and-down movement of the cross rods 5 is realized by using the nut structure of the screw rod 2, and the inconsistent ascending heights of the cylinders 3 are realized by using the difference of the transmission ratio between the flywheel 8 and the first chain wheel 7, so that the heights of the cross rods 5 are gradually increased along the counterclockwise direction, and then a spiral supporting surface is formed, and the use is convenient and reliable.

The invention has the advantages that:

1. compared with the prior art, the spiral stair with different spiral lifting angles can be adapted to the stairs with different spiral lifting angles, errors can be caused during building of the floor height of a floor on the same building, the errors cannot be too large, if the spiral stair is poured according to the pouring technology in the prior art, the height of the spiral stair is not completely matched with the floor height, even the local spiral lifting angle is changed, the stress condition of the stair is changed, and when the poured stair is fixedly spliced with a floor slab, the height needs to be increased or the bottom needs to be dug for adjustment, so that the construction is inconvenient, and the whole construction efficiency is slowed down. Flywheel 8 rotates in this device and can make a plurality of horizontal poles 5 highly all change, as long as control the change law of drive ratio, just controls the altitude variation condition between two adjacent horizontal poles 5 very easily, can form the spiral stair of looks adaptation according to the floor height of difference, conveniently adjusts the height of stair, simple and practical.

2. In the prior art, a post is inserted in the middle of the adoption, then a plurality of horizontal backup pads are established to the cover on the post, and when this kind of mode was pour, because the helix angle of stair is less, only partial backup pad can expand and play the supporting role, causes the backup pad to support the template the impetus not enough, needs to increase supplementary steel column progressive support, still can cause local lead angle to change, influences the stair quality. When the spiral stair with a lower lift angle is poured, all the cross rods 5 can support the template together, all the cross rods 5 can support the template, and the cross rods 5 can ensure that the lift angle of the stair is uniform and stable, auxiliary support is not needed, and the spiral stair is convenient and quick.

3. Annular floor slabs are also applied more in buildings, some spiral stairs and annular floor slabs are adopted in the existing buildings for splicing end to form the spiral stairs-annular platform-spiral stairs, the existing building mode is more traditional, supports are erected on one layer by manpower to support templates, time and labor are wasted, the operation is inconvenient, and the spiral rising angle and the flatness of the annular floor slabs are not well controlled. The invention can be used for casting spiral stairs and annular floor slabs. When the cross rods 5 are in the initial state, the cross rods 5 are all located on the same horizontal plane, the cross rods 5, the cylinders 3 and the telescopic rods form an annular structure, and the annular interlayer can be poured by fixing the building template on the annular structure. When the spiral stair-annular platform-spiral stair-shaped stair is poured, the device is placed at the bottom layer to pour the spiral stair, then the cross rods 5 are packed up to enable the cross rods to be located at the lower end of the shell 1, the hydraulic cylinders on the bottom plate are started to enable the cross rods 5 to ascend to the height of an annular floor slab to be poured, pouring is conducted, and rapid construction can be achieved by sequential implementation. It is noted that the cross bar 5 may be bolted or screwed to the barrel 3, with the cross bar 5 being removed when the housing 1 is raised and the cross bar 5 being attached when in position.

4. Compared with the prior art, the stair lifting mechanism can conveniently adjust the spiral lifting angle of the stair according to the lifting height of the stair, can ensure that the plurality of cross rods 5 are sequentially increased in the adjusting process, and the height difference of two adjacent cross rods 5 is kept equal, so that the cross rods 5 can provide enough supporting force for the template no matter the height of the stair, and the auxiliary support is not needed under normal conditions.

5. In the adjusting process, the invention does not need to be repeatedly disassembled and debugged, does not need a plurality of steel tube and steel sleeve structures, is convenient to disassemble and transport, saves a large amount of time and improves the working efficiency.

Claims

1. The utility model provides a building templates strutting arrangement, a serial communication port, including vertical cylindrical casing (1) of placing, there are a plurality of vertical and can pivoted lead screw (2) in casing (1), a plurality of lead screws are the circumference equipartition, the cover is equipped with a drum (3) on every lead screw (2), drum (3) and lead screw (2) are through threaded connection, lead screw (2) rotate can drive drum (3) and reciprocate along lead screw (2), casing (1) is last to have a plurality of vertical grooves (4) of seting up along vertical direction, be fixed with horizontal form horizontal pole (5) on drum (3), the horizontal pole (5) other end stretches out outside casing (1) chamber through vertical groove (4), the cover is equipped with can be on horizontal pole (5) pivoted sleeve (6) on the part that horizontal pole (5) were placed casing (1) chamber outside, be connected with a plurality of telescopic links between two adjacent sleeve (6); the upper end of the lead screw (2) penetrates through the upper side plate of the shell (1) and is arranged above the shell (1), a horizontal first chain wheel (7) is fixed at the upper end of the lead screw (2), a flywheel (8) which is coaxial with the shell (1) and can rotate actively is arranged at the upper end of the shell (1), the flywheel (8) comprises a plurality of second chain wheels with different sizes, the diameters of the plurality of second chain wheels are sequentially reduced from bottom to top, the plurality of second chain wheels correspond to the plurality of first chain wheels (7) one by one, and the second chain wheels are connected with the corresponding first chain wheels (7) through chains;

2. The building formwork support device according to claim 1, wherein the telescopic rod comprises a hollow cylinder (9), two ends in the cavity of the hollow cylinder (9) are provided with pull rods (10) capable of sliding in the hollow cylinder (9), a tension spring is connected between the two pull rods (10) in the same hollow cylinder (9), the other end of each pull rod (10) extends out of the hollow cylinder (9) and is in spherical hinge with the sleeve (6), and the formwork is fixed on the cross rods (5) and the telescopic rods to form a spiral support surface.

3. The building formwork support device according to claim 1, wherein the upper end and the lower end of the screw rod (2) are both arranged outside the shell (1), and the upper end and the lower end of the screw rod (2) are both provided with annular protrusions, so that the screw rod (2) is not separated from the shell (1) due to the annular protrusions.

4. A building formwork support apparatus as claimed in claim 1, wherein the lower side of the housing (1) has a horizontal bottom plate (11), a plurality of vertical hydraulic cylinders (12) are fixed on the bottom plate (11), and the upper ends of the piston rods in the hydraulic cylinders (12) are fixed with the lower side plate of the housing (1).

5. A building formwork support apparatus as claimed in claim 1, wherein the flywheel (8) is connected to a motor (13), the motor (13) being fixed to an upper side plate of the housing (1).