CN213626805U

CN213626805U - Telescopic support frame and assembly type building structure system

Info

Publication number: CN213626805U
Application number: CN202022378912.6U
Authority: CN
Inventors: 刘亚东; 马海英; 赵辉
Original assignee: SHANGHAI JOHNSON ARCHITECTURAL & ENGINEERING DESIGN CONSULTANTS Ltd
Current assignee: SHANGHAI JOHNSON ARCHITECTURAL & ENGINEERING DESIGN CONSULTANTS Ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-07-06
Anticipated expiration: 2030-10-22

Abstract

The utility model belongs to the field of assembly type buildings, and discloses a telescopic support frame and an assembly type building structure system, wherein the telescopic support frame comprises a support cylinder, a lifting mechanism and a support plate; the lifting mechanism comprises a transmission shaft, a reversing gear assembly and a lead screw transmission assembly which are sequentially connected, one end of a lead screw of the lead screw transmission assembly is arranged in the support cylinder in a lifting manner along the height direction of the support cylinder, the transmission shaft is perpendicular to the lead screw, and the reversing gear assembly is used for converting the rotation of the transmission shaft in the vertical direction into the rotation of the lead screw in the horizontal direction so that the lead screw can be lifted along the support cylinder under the action of a nut of the lead screw transmission assembly; the supporting plate is arranged at one end, far away from the supporting cylinder, of the screw rod. The utility model discloses a rotatory transmission shaft can realize the altitude mixture control of backup pad, and then realizes the height adjustment of prefabricated floor, solves the board seam misalignment that prefabricated floor leads to because of production error or site operation error, has the problem of difference in height, ensures construction quality.

Description

Telescopic support frame and assembly type building structure system

Technical Field

The utility model relates to an assembly type structure field indicates a telescopic support frame and assembled building structure system especially.

Background

At present, prefabricated floor of assembly type structure still needs a large amount of interim supports in the work progress, even need build full hall scaffold frame, has not only seriously influenced assembly type structure's efficiency of construction, and the installation of scaffold frame needs a large amount of manual works moreover, increases the cost of labor, has seriously restricted assembly type structure's development. Meanwhile, due to production and installation errors of the prefabricated floor slab, the prefabricated floor slab has the condition of uneven bottom surface and height difference when being placed, the traditional supporting mode cannot achieve vertical adjustment, the construction effect is not good, and secondary plastering treatment is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a telescopic support frame and assembled building structure system realize the height adjustment of prefabricated floor.

The utility model provides a technical scheme as follows:

in one aspect, there is provided a telescopic support frame comprising:

a support cylinder;

the lifting mechanism comprises a transmission shaft, a reversing gear assembly and a lead screw transmission assembly which are sequentially connected, one end of a lead screw of the lead screw transmission assembly is arranged in the support cylinder in a lifting manner along the height direction of the support cylinder, the transmission shaft is vertically arranged with the lead screw, and the reversing gear assembly is used for converting the rotation of the transmission shaft in the vertical direction into the rotation of the lead screw in the horizontal direction so that the lead screw is lifted along the support cylinder under the action of a nut of the lead screw transmission assembly;

and the supporting plate is arranged at one end, far away from the supporting cylinder, of the screw rod.

Further preferably, the reversing gear assembly comprises a first bevel gear and a second bevel gear, the transmission shaft is fixedly connected with the first bevel gear, the second bevel gear is meshed with the first bevel gear, and the screw rod is fixedly connected with the second bevel gear.

Further preferably, the support device further comprises a universal wheel, and the universal wheel is arranged at the bottom of the support cylinder.

Further preferably, the universal wheel support device further comprises a base, the bottom of the support cylinder is arranged on the base, the cross sectional area of the base is larger than that of the support cylinder, and the universal wheel is arranged at the bottom of the base.

Further preferably, still include a plurality of diagonal braces spare, a plurality of diagonal braces spare is collapsible to be set up on the outer wall of a support section of thick bamboo, and under folded condition, the diagonal braces spare is accomodate on the support section of thick bamboo, under the expanded condition, the one end of diagonal braces spare with a support section of thick bamboo butt, the other end and the ground butt of diagonal braces spare.

Further preferably, the number of the diagonal support members is four, and the four diagonal support members are uniformly distributed on the outer wall of the support cylinder.

Further preferably, the device further comprises a hand-operated wheel, and the hand-operated wheel is arranged on the transmission shaft.

On the other hand, still provide an assembled building structure system, including prefabricated floor and foretell telescopic support frame, telescopic support frame the backup pad supports prefabricated floor.

Further preferably, the prefabricated floor slab further comprises battens, wherein the battens are arranged on the supporting plates, and the prefabricated floor slab is installed on the battens.

Further preferably, the telescopic support frame further comprises a structural beam, and the support plate of the telescopic support frame supports the structural beam.

The technical effects of the utility model reside in that: the telescopic support frame can realize the lifting of the screw rod in the vertical direction through rotating the transmission shaft in the vertical plane, is convenient to adjust, can realize the height adjustment of the telescopic support frame, further realizes the height adjustment of the prefabricated floor slab, solves the problem that the prefabricated floor slab is not aligned due to the production error or the plate seam caused by the site construction error, has the height difference, and ensures the construction quality.

Drawings

The invention will be described in further detail with reference to the following drawings and embodiments:

fig. 1 is a schematic structural view of a telescopic supporting frame of the present invention;

fig. 2 is a front view of a telescopic supporting frame of the present invention;

FIG. 3 is a schematic view of the reversing gear assembly of the present invention;

fig. 4 is a schematic structural view of the prefabricated floor supported by the telescopic supporting frame of the present invention;

fig. 5 is a schematic structural view of a supporting structural beam of the telescopic supporting frame of the present invention.

The reference numbers illustrate:

1. a support cylinder; 2. a lifting mechanism; 20. a housing; 21. a drive shaft; 221. a first bevel gear; 222. a second bevel gear; 231. a screw rod; 232. a nut; 3. a support plate; 4. a hand-operated wheel; 5. prefabricating a floor slab; 6. a universal wheel; 7. a base; 8. a diagonal stay member; 81. a diagonal bracing seat; 9. wood block; 10. a beam mould is cast in place; 101. a horizontal plate; 102. a vertical plate; 11. and (4) reinforcing ribs.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

The utility model provides a specific embodiment of a telescopic support frame, as shown in fig. 1 and fig. 2, comprising a support cylinder 1, a lifting mechanism 2 and a support plate 3; the lifting mechanism 2 comprises a transmission shaft 21, a reversing gear assembly and a lead screw transmission assembly which are connected in sequence, one end of a lead screw 231 of the lead screw transmission assembly is arranged in the support cylinder 1 in a lifting manner along the height direction of the support cylinder 1, the transmission shaft 21 is perpendicular to the lead screw 231, and the reversing gear assembly is used for converting the rotation of the transmission shaft 21 in the vertical direction into the rotation of the lead screw 231 in the horizontal direction so that the lead screw 231 is lifted along the height direction of the support cylinder 1 under the action of a nut 232 of the lead screw transmission assembly; the supporting plate 3 is arranged at one end of the screw rod 231 far away from the supporting cylinder 1.

Specifically, the support cylinder 1 is made of metal material to improve the strength of the support cylinder 1, and the inside of the support cylinder 1 is provided with an accommodating space so that the screw rod 231 can lift and fall inside the support cylinder 1. When the lifting type screw rod supporting device is used, the supporting cylinder 1 is placed on the ground, and the screw rod 231 can lift along the height direction of the supporting cylinder 1.

The lifting mechanism 2 comprises a transmission shaft 21, a reversing gear assembly and a lead screw transmission assembly, the lead screw transmission assembly comprises a lead screw 231 and a nut 232, the lead screw 231 is in threaded connection with the nut 232, and the reversing gear assembly is used for reversing power, namely, the rotation of the transmission shaft 21 in the vertical direction is changed into the rotation of the lead screw 231 in the horizontal direction. Through the arrangement of the reversing gear assembly, when an operator rotates the transmission shaft 21 in a vertical plane, the lifting of the adjusting screw rod 231 can be realized, and the transmission shaft 21 is rotated in the vertical plane, so that the adjustment is more convenient relative to the rotation of the screw rod 231 in a horizontal plane.

The rotation of the drive shaft 21 can be operated manually or can be driven by a motor. When transmission shaft 21 was by manual operation, still can set up one hand on the transmission shaft 21 and shake wheel 4, the operator drives transmission shaft 21 and rotates through rotating hand wheel 4, sets up hand wheel 4 through the one end at transmission shaft 21, can make transmission shaft 21's operation more laborsaving, more convenient.

As shown in FIG. 3, the reversing gear assembly comprises a first bevel gear 221 and a second bevel gear 222, the transmission shaft 21 is fixedly connected with the first bevel gear 221, the second bevel gear 222 is meshed with the first bevel gear 221, and the screw rod 231 is fixedly connected with the second bevel gear 222. The first bevel gear 221 is sleeved on the transmission shaft 21, the transmission shaft 21 drives the first bevel gear 221 to rotate in a vertical plane when rotating in the vertical plane, the second bevel gear 222 is meshed with the first bevel gear 221 and sleeved outside the screw rod 231, the first bevel gear 221 drives the second bevel gear 222 to rotate in a horizontal plane when rotating in the vertical plane, and the second bevel gear 222 drives the screw rod 231 to rotate in the horizontal plane when rotating in the horizontal plane.

When the screw rod 231 rotates in the horizontal direction, the screw rod 231 can be lifted and lowered in the vertical direction through the action of the screw rod 231 and the nut 232. The nut 232 of the screw rod transmission assembly can be directly fixed on the support cylinder 1, or the lifting mechanism 2 further comprises a shell 20, the shell 20 is fixedly installed on the support cylinder 1, the nut 232 of the screw rod transmission assembly is fixed in the shell 20, and when the screw rod 231 rotates, the rotation motion is changed into linear motion under the limiting action of the nut 232, so that the lifting of the screw rod 231 is realized.

Backup pad 3 sets up the one end of keeping away from a support section of thick bamboo 1 at lead screw 231, and backup pad 3 is used for supporting prefabricated floor 5 and structure roof beam, and when lead screw 231 goes up and down along vertical direction, drive backup pad 3 and remove along the direction of keeping away from or being close to a support section of thick bamboo 1 to adjust the height of backup pad 3 apart from a support section of thick bamboo 1, realize adjusting telescopic support's height.

During the in-service use, with telescopic bracket remove the position that needs the support, then go up and down backup pad 3 to precast floor 5's mounted position through rotating transmission shaft 21, then hoist and mount precast floor 5, precast floor 5 has the plate gap to align owing to production error or site operation error, has the difference in height, adjusts precast floor 5's roughness through telescopic bracket, realizes precast floor 5 and makes level in the altitude mixture control of vertical direction, ensures construction quality, and the precision is high, and only need simply adjust on the spot, does not need the installation, and the step is few, and is efficient, easy and simple to handle.

In order to facilitate the movement of the telescopic support frame, as shown in fig. 2, the bottom of the support cylinder 1 is further provided with a plurality of universal wheels 6, the number of the universal wheels 6 is multiple, the telescopic support frame can be rapidly moved through the plurality of universal wheels 6, the telescopic support frame can be conveniently transported, and the telescopic support frame can be moved along with the use.

Preferably, the telescopic support frame further comprises a base 7, the bottom of the support cylinder 1 is arranged on the base 7, the cross-sectional area of the base 7 is larger than that of the support cylinder 1, and the universal wheel 6 is arranged at the bottom of the base 7. The base 7 with a larger cross section area is arranged at the bottom of the supporting cylinder 1, so that the universal wheel 6 can be conveniently installed.

In one embodiment, the universal wheel 6 is arranged at the bottom of the base 7 in a foldable manner, for example, the support of the universal wheel 6 is hinged with the base 7, and the folding of the universal wheel 6 is realized by rotating the universal wheel 6. In addition, the position where the base 7 is connected with the universal wheel 6 is provided with an accommodating groove for accommodating the universal wheel 6, and the universal wheel 6 is accommodated in the accommodating groove after being folded. When needs remove telescopic support frame, rotate universal wheel 6, make universal wheel 6 reply normal moving state, telescopic support frame can remove at will under universal wheel 6's effect, telescopic support frame removes behind required position, accomodate universal wheel 6 is folding in the holding tank of base 7, universal wheel 6 is located the holding tank back, base 7's bottom can contact with ground, and base 7's basal area is great, can increase area of contact between base 7 and the ground, and then increase the frictional force between telescopic support frame and the ground, stability when supporting precast floor 5 and structure roof beam in order to improve telescopic support frame.

In another embodiment, as shown in fig. 1 and 2, the universal wheel 6 is arranged at the bottom of the base 7 in a liftable manner, the outer wall of the support cylinder 1 is further provided with a plurality of diagonal braces 8, the diagonal braces 8 are arranged in a foldable manner, the diagonal braces 8 are accommodated in the support cylinder 1 in a folded state, one end of the diagonal brace 8 abuts against the support cylinder 1 in an unfolded state, and the other end of the diagonal brace 8 abuts against the ground.

When telescopic bracket need remove, universal wheel 6 risees, make supporting cylinder 1 upwards rise, increase the distance between supporting cylinder 1 and the ground, so that diagonal brace piece 8 can be accomodate on supporting cylinder 1's outer wall, telescopic bracket removes the position back that needs the support, universal wheel 6 of base 7 lower part descends, reduce supporting cylinder 1's height, make diagonal brace piece 8 expand the back can with the ground butt, and support telescopic bracket through diagonal brace piece 8, telescopic bracket's stability is improved.

The one end of diagonal brace piece 8 and ground butt still is equipped with diagonal brace seat 81, and the cross-sectional area of diagonal brace seat 81 is greater than the cross-sectional area of diagonal brace piece 8, through setting up the great diagonal brace seat 81 of cross-sectional area, can increase the area of contact of telescopic support frame and ground to the frictional force of increase telescopic support frame and ground, and then increase telescopic support frame's stability prevents that telescopic support frame from collapsing. Preferably, the number of the diagonal braces 8 is four, and four diagonal braces 8 are uniformly distributed on the outer wall of the support cylinder 1.

The utility model also provides an assembly type structure system, as shown in fig. 1 to 5, including prefabricated floor 5 and the telescopic support frame of above-mentioned embodiment, telescopic support frame's 3 support prefabricated floor 5 of backup pad. The supporting plate 3 is provided with battens 9, and the prefabricated floor 5 is arranged on the battens 9. The fabricated building structure system further comprises a structural beam, and the support plate 3 of the telescopic support frame supports the structural beam. The structural beam can be a precast beam or a cast-in-place beam, when the structural beam is the cast-in-place beam, the cast-in-place beam mould 10 can be firstly installed on the supporting plate 3, the cross section of the cast-in-place beam mould 10 is in an inverted V shape, the precast floor slab 5 is installed on the horizontal plate 101 above the cast-in-place beam mould 10, concrete is poured in the cast-in-place beam mould 10 to form the cast-in-place beam, and the cast-in-place beam and the precast floor slab 5 are. In order to improve the strength and stability of the cast-in-place beam mold 10, a reinforcing rib 11 is further arranged on the cast-in-place beam mold 10, and the reinforcing rib 11 is arranged between the upper horizontal plate 101 and the vertical plate 102 to support the horizontal plate 101, improve the strength of the horizontal plate 101, and prevent the horizontal plate 101 from being damaged under the action of gravity of the precast floor slab 5.

On the construction site, the movable telescopic support frame is moved to the position of the precast floor slab 5 or the structural beam needing to be supported, the lower universal wheels 6 are retracted, the diagonal support members 8 are unfolded, and the position of the telescopic support frame is fixed. The screw rod 231 is lifted to the installation position of the precast floor slab 5 or the structural beam through the hand-operated wheel 4, the batten 9 is placed on the supporting plate 3, or the batten 9 is installed on the supporting plate 3 through the bolt in advance, the precast floor slab 5 is hoisted and placed on a batten 9 platform, and if the precast floor slab 5 is uneven, the height of the precast floor slab can be finely adjusted through the hand-operated wheel 4. For the condition of beam cast-in-place, the cast-in-place beam mold 10 can be fixed on the support plate 3 in advance through bolts, and the cast-in-place beam mold 10 is integrally lifted in place to support.

The utility model discloses a telescopic support frame has following effect:

(1) the operation is simple, the bottom is provided with universal wheels, the transportation is convenient, and the walking along with the use is realized;

(2) the height of the prefabricated floor slab is adjusted, the height of the prefabricated floor slab is usually not aligned due to the fact that slab joints are not aligned due to production errors or site construction errors, a height difference exists, the vertical height adjustment leveling of the prefabricated floor slab can be achieved through the telescopic support frame, the construction quality is guaranteed, the operation is simple and convenient, the steps are few, the precision is high, only simple adjustment is needed on site, and the efficiency is high.

(3) The screw rod can be retracted into the supporting cylinder, so that the space is saved and the transportation is convenient;

(4) the bearing capacity is large, and the stability and reliability are high;

(5) the telescopic support frame is simple to mount and dismount, can be repeatedly used, and is economical and environment-friendly.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A telescopic support frame, comprising:

a support cylinder;

2. The retractable stand of claim 1,

the reversing gear assembly comprises a first bevel gear and a second bevel gear, the transmission shaft is fixedly connected with the first bevel gear, the second bevel gear is meshed with the first bevel gear, and the screw rod is fixedly connected with the second bevel gear.

3. The retractable stand of claim 1 further comprising a universal wheel disposed at the bottom of said support cylinder.

4. The retractable stand of claim 3, further comprising a base, wherein the bottom of said supporting cylinder is disposed on said base, the cross-sectional area of said base is greater than the cross-sectional area of said supporting cylinder, and said universal wheel is disposed on the bottom of said base.

5. The retractable supporting frame according to claim 4, further comprising a plurality of diagonal supporting members, wherein the plurality of diagonal supporting members are foldably disposed on the outer wall of the supporting cylinder, in a folded state, the diagonal supporting members are received on the supporting cylinder, in an unfolded state, one end of each diagonal supporting member abuts against the supporting cylinder, and the other end of each diagonal supporting member abuts against the ground.

6. The retractable supporting stand of claim 5, wherein said diagonal supporting members are four, and four of said diagonal supporting members are uniformly distributed on the outer wall of said supporting cylinder.

7. The telescopic supporting frame as claimed in claim 1, further comprising a hand-operated wheel, wherein the hand-operated wheel is arranged on the transmission shaft.

8. An assembled building structure system comprising a precast floor slab and the extendible support frame of any of claims 1 to 7, wherein said support panels of said extendible support frame support said precast floor slab.

9. A fabricated building structure system according to claim 8, further comprising battens disposed on a plurality of said support plates, said precast floor slabs being mounted on said battens.

10. A fabricated building structure system according to claim 8, further comprising a structural beam, said support plates of said telescoping support brackets supporting said structural beam.