CN216616909U - Protective device for jacking net rack - Google Patents

Abstract

The utility model belongs to the technical field of steel net rack structure building construction equipment, and particularly relates to a protective device for jacking a net rack, which comprises a guide rail assembly extending along the vertical direction and a main body rod piece connected with the net rack; the guide rail assembly comprises a guide groove extending along the vertical direction and a support assembly arranged in the guide groove; the supporting component comprises a supporting plate and a supporting piece; one side of the supporting plate is hinged with one side wall of the guide groove, and the other side of the supporting plate is a free end; the support piece is fixedly connected with one side wall of the guide groove, is positioned below the support plate and is used for bearing the support plate; the main body rod piece is movably arranged in the guide groove along the extension direction of the guide groove; a first gap is formed in the guide groove by the support piece, and a second gap is formed in the guide groove when the support plate abuts against the support piece; the width of the first gap is larger than the diameter of the main rod piece, and the width of the second gap is smaller than the diameter of the main rod piece; through backup pad and support piece cooperation, inject the clearance size of forming in the guide slot in the injecing, prevent the sudden drop that the rack jacking in-process appears.

Description

Protective device for jacking net rack

Technical Field

The utility model belongs to the technical field of steel net rack structure building construction equipment, and particularly relates to a protective device for jacking a net rack.

Background

The steel structure net rack has the advantages of high strength, light weight, good earthquake resistance, high construction speed, attractive appearance and the like, is widely applied to industrial and public buildings, can be installed by adopting an integral jacking method, and has the characteristics of low construction cost, small influence of site conditions and convenience in operation. When the construction of jacking method, in order to jacking steel structure rack to the design requirement elevation, need the height of progressively increased jacking support, but current jacking support under the uneven condition of preparation, installation error and atress, along with the increase of jacking height, can lead to the steel structure rack can produce the side of horizontal direction and move, probably appear the landing problem of jacking support in the vertical direction of rack that jacking in-process became invalid suddenly and lead to simultaneously.

The utility model patent application with publication number CN110700416B discloses a large-span net rack integral jacking method and a limiting and overturn-preventing device thereof, wherein a vertical bearing structure of a building is used as a guide rail to limit the horizontal displacement generated in the installation process of a roof net rack, and a limiting overturn-preventing support is arranged to control the horizontal displacement of the net rack and improve the stability of the net rack; but spacing support of preventing toppling not only prevents the jack that probably appears when the jacking support was set up in the net rack jacking and suddenly became invalid and the whereabouts problem of the vertical direction of net rack that leads to simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model provides a protective device for jacking a net rack, which utilizes the mutual matching between a supporting plate and a supporting piece to enable a main body rod piece to jack the supporting plate upwards along the extending direction of a guide groove so as to support the jacking of the net rack, and simultaneously limits the size of a gap formed by the supporting plate, the supporting piece and the guide groove so that the main body rod piece falls back onto the supporting plate under the action of self gravity, thereby preventing the net rack from falling suddenly due to the sudden failure of a jack which possibly occurs in the jacking process of the net rack and improving the safety and reliability of construction operation.

A protective device for jacking a net rack comprises a guide rail assembly extending along the vertical direction and a main body rod piece connected with the net rack;

the guide rail assembly comprises a guide groove extending along the vertical direction and a support assembly arranged in the guide groove; the supporting component comprises a supporting plate and a supporting piece; one side of the supporting plate is hinged with one side wall of the guide groove, and the other side of the supporting plate is a free end; the supporting piece is fixedly connected with one side wall of the guide groove, is positioned below the supporting plate and is used for bearing the supporting plate;

the main body rod piece is movably arranged in the guide groove along the extending direction of the guide groove; the support piece forms a first gap in the guide groove, and a second gap is formed in the guide groove when the support plate abuts against the support piece; the width of the first gap is larger than the diameter of the main rod, and the width of the second gap is smaller than the diameter of the main rod;

through mutually supporting between backup pad and support piece for the main part member can be followed the guide slot extending direction and upwards backed up the backup pad, and then supports the rack jacking, prescribes a limit to the backup pad simultaneously, the clearance size that support piece and guide slot formed, make the main part member fall back to the backup pad under self action of gravity on, prevent that the jack that probably appears suddenly loses efficacy and the rack that leads to from falling suddenly, improve the safe and reliable degree of construction operation.

Further, the guide rail assembly comprises a bottom plate and side plates respectively connected with two opposite sides of the bottom plate; the two side plates are respectively vertical to the bottom plate and limit the guide groove; through set up the curb plate perpendicular with it in bottom plate both sides, prevent that main part member from taking place the skew of horizontal direction when reciprocating along the guide slot, carry out the side direction spacing to it.

Furthermore, a column connecting piece is arranged on one side of the side plate, which is far away from the bottom plate; two ends of a steel wire rope are respectively bound with the column connecting pieces on the two side plates, and surround the upright column to bind the guide rail assembly on the upright column; thereby fixing the position of the guide rail assembly on the upright.

Furthermore, a first through hole for binding the steel wire rope is formed in the column connecting piece; so that the steel wire rope passes through the through hole to tie and fix the guide rail assembly on the upright post.

Furthermore, the supporting member comprises an inclined supporting plate and a reinforced inclined supporting plate, the inclined supporting plate is positioned below the supporting plate, one end of the inclined supporting plate is fixedly connected with the side wall of the guide groove, and the other end of the inclined supporting plate extends upwards and obliquely; the reinforced inclined supporting plate is positioned between the supporting plate and the inclined supporting plate, one end of the reinforced inclined supporting plate is fixedly connected with the side wall of the guide groove, and the other end of the reinforced inclined supporting plate is fixedly connected to the inclined supporting plate; through the cooperation of the inclined supporting plate and the reinforced inclined supporting plate, the supporting plate can be stably supported.

Further, the support assembly comprises two oppositely arranged support plates and two oppositely arranged supports; a third gap is formed between the two inclined supporting plates; a fourth gap is formed between the two support plates; the width of the third gap is larger than the diameter of the main rod, and the width of the fourth gap is smaller than the diameter of the main rod; by means of the arrangement of the third gap and the fourth gap, the main body rod can be easily pushed open to enable the support plate to move upwards along the extending direction of the guide groove, meanwhile, the main body rod is prevented from suddenly falling, and the main body rod can be supported on the support plate.

Furthermore, a plurality of groups of supporting assemblies are arranged along the extending direction of the guide groove, and the spacing distance of each group of supporting assemblies is equal to the sectional distance of the net rack needing to rise; through set up the multiunit supporting component of co-altitude not on the guide slot for realize the rack jacking of co-altitude not.

Furthermore, two end pulley connecting pieces which are oppositely arranged are arranged at the bottom end of the main body rod piece, an end pulley is arranged between the two end pulley connecting pieces, the distance between the two end pulley connecting pieces is greater than the thickness of the end pulley, and the end pulley is rotatably connected with the two end pulley connecting pieces through a second rotating shaft; the end pulleys roll up and down along the extending direction of the guide grooves to realize the jacking operation of the net rack.

The utility model has the beneficial effects that:

according to the utility model, through mutual matching between the supporting plate and the supporting piece, the main body rod piece can upwards jack the supporting plate along the extending direction of the guide groove so as to support the jacking of the net rack, and meanwhile, the size of the gap formed by the supporting plate, the supporting piece and the guide groove is limited, so that the main body rod piece falls back onto the supporting plate under the action of self gravity, the net rack is prevented from falling suddenly due to sudden failure of a jack possibly occurring in the jacking process of the net rack, and the safety and reliability of construction operation are improved; meanwhile, the side plates perpendicular to the bottom plate are arranged on the two sides of the bottom plate, so that the main body rod piece is prevented from shifting in the horizontal direction when moving up and down along the guide groove, and is laterally limited to prevent lateral shifting; by setting the jacking preset height of the net rack, the same horizontal height is controlled by the support plate, the inclined support plate and the reinforced inclined support plate, so that the displacement generated by manufacturing and installation errors of the jacking frame in the jacking process of the net rack is limited, the horizontal load generated by uneven stress of a jacking support system is prevented, the central displacement of the net rack is well controlled, and the construction quality is improved; meanwhile, all related parts can be prefabricated and processed in a factory and spliced on site, and construction efficiency is improved.

Drawings

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

FIG. 2 is a schematic structural view of a support assembly;

FIG. 3 is a schematic structural view of a column connector;

FIG. 4 is a schematic structural view of the main rod;

fig. 5 is an exploded view of the present invention.

Reference numerals:

1. a column;

2. a guide rail assembly; 21. a post connector; 211. a first through hole; 22. a side plate; 23. a diagonal bracing plate; 24. reinforcing the inclined supporting plate; 25. a support plate; 26. a guide groove; 27. a first rotating shaft; 28. a base plate;

3. a wire rope;

41. an end pulley; 411. a second through hole; 42. an end pulley connection; 421. a third through hole; 43. a main body bar; 44. a second rotating shaft;

5. a net rack.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Fig. 1-2 show a protective device for lifting a net rack, which comprises a guide rail assembly 2 extending along the vertical direction and a main body rod 43 connected with the net rack 5;

the guide rail assembly 2 comprises a guide groove 26 extending along the vertical direction and a support assembly arranged in the guide groove 26; the support assembly comprises a support plate 25 and a support; one side of the supporting plate 25 is hinged with one side wall of the guide groove 26, and the other side is a free end; the supporting piece is fixedly connected with one side wall of the guide groove 26, is positioned below the supporting plate 25 and is used for bearing the supporting plate 25;

the body bar 43 is movably disposed in the guide groove 26 along the extending direction of the guide groove 26; the support member forms a first gap in the guide groove 26, and a second gap is formed in the guide groove 26 when the support plate 25 abuts against the support member; the width of the first gap is greater than the diameter of the body bar 43, and the width of the second gap is less than the diameter of the body bar 43;

in this embodiment, through mutually supporting between backup pad 25 and the support piece, make main part member 43 can upwards push open backup pad 25 along guide slot 26 extending direction, and then support rack 5 jacking, prescribe a limit to backup pad 25 simultaneously, the clearance size that support piece and guide slot 26 formed, make main part member 43 fall back to on backup pad 25 under self action of gravity, prevent rack 5 whereabouts suddenly that the jack that can appear in the rack 5 jacking in-process suddenly became invalid and lead to, improve the safe and reliable degree of construction operation.

Specifically, as shown in fig. 3, the rail assembly 2 includes a bottom plate 28, and side plates 22 connected to opposite sides of the bottom plate 28, respectively; the two side plates 22 are perpendicular to the bottom plate 28 and define the guide grooves 26, so that the body rod member 43 is prevented from shifting horizontally when moving up and down along the guide grooves 26, and is laterally limited.

Particularly, the curb plate 22 is kept away from one side interval of bottom plate 28 and is installed column connection spare 21, has seted up first through-hole 211 on the column connection spare 21, and wire rope 3 passes first through-hole 211 both ends respectively with the ligature of column connection spare 21 to encircle stand 1, tie up guide rail assembly 2 and fix on stand 1, a plurality of column connection spare 21 of interval arrangement are used for wire rope 3 on the co-altitude to pass, make and firmly tie up guide rail assembly 2.

Specifically, the support assembly includes a support plate 25 and a support member, one end of the support plate 25 is rotatably connected to the side wall of the guide groove 26 through a first rotating shaft 27, and the other end is a free end and can rotate around the first rotating shaft 27; the supporting member comprises an inclined supporting plate 23 and a reinforced inclined supporting plate 24, the inclined supporting plate 23 is positioned below the supporting plate 25, the bottom end of the inclined supporting plate is fixedly connected with the side wall of the guide groove 26, the top end of the inclined supporting plate extends upwards in an inclined manner at an angle of 45 degrees, and the top end of the inclined supporting plate is flush with the horizontal height of the supporting plate 25, so that the supporting plate 25 can be supported by the top end of the inclined supporting plate 23 after falling back under the action of gravity; strengthen inclined strut board 24 and lie in between backup pad 25 and inclined strut board 23, top fixed connection is on the lateral wall of guide slot 26, and bottom fixed connection is on the mid point of inclined strut board 23, and firm support piece is to the supporting role of backup pad 25.

Specifically, as shown in fig. 2, the support assembly includes two oppositely disposed support plates 25, and two oppositely disposed supports; a third gap is formed between the two supporting pieces; a fourth gap is formed between the two support plates 25; the width of the third gap is greater than the diameter of the body bar 43 and the width of the fourth gap is less than the diameter of the body bar 43; by the arrangement of the third gap and the fourth gap, the main body rod 43 is not affected by the supporting member, the supporting plate 25 is easily pushed upwards along the extending direction of the guide groove 26, and meanwhile, after the main body rod 43 is far away from the supporting plate 25, the supporting plate 25 falls back under the action of gravity and is supported by the supporting member, so that the main body rod 43 can be prevented from suddenly falling, and the main body rod 43 can be supported on the supporting plate 25.

In the present embodiment, the relationship between the length L of the support plate 25 and the width B of the bottom plate 28 is: and L is 0.5 multiplied by B and is used for realizing the jacking operation of the two groups of supporting components matched with the net rack 5.

Specifically, a plurality of groups of supporting components are arranged at different heights along the extending direction of the guide groove 26, and the spacing distance of each group of supporting components is equal to the subsection distance of the net rack 5 needing to rise, so that the net rack 5 at different preset heights can be jacked.

Specifically, as shown in fig. 4 to 5, two end pulley connecting pieces 42 arranged oppositely are arranged at the bottom end of the main body rod piece 43, an end pulley 41 is arranged between the two end pulley connecting pieces 42, a second through hole 411 is formed in the center position of the end pulley 41, a third through hole 421 is formed in the center position of the end pulley connecting piece 42, and a second rotating shaft 44 sequentially penetrates through the third through hole 421 and the second through hole 411 and is rotatably connected with the two end pulley connecting pieces 42 through the second rotating shaft 44; the distance between the two end pulley connections 42 is greater than the thickness of the end pulley 41 so that the end pulley 41 can rotate about the second rotation axis 44 between the two end pulley connections 42; the end pulley 41 rolls up and down along the extending direction of the guide groove 26 to lift up the net rack 5.

It should be noted that, in the present invention, the number of the supporting components at the same horizontal height may be one or two, and both supporting components can cooperate to complete the jacking operation of the net rack 5.

The working principle of the utility model is as follows:

when the net rack 5 is lifted upwards, the end pulley 41 at the bottom end of the main body rod piece 43 vertically upwards slides along the extending direction of the guide groove 26, the end pulley 41 sequentially spans the middle and upwards backs up the supporting plate 25 until the supporting plate 25 at the preset height of the net rack 5 falls back to the horizontal position, and is supported by the corresponding inclined supporting plate 23, the net rack 5 stops upwards jacking, and the jack falls back until the end pulley 41 is supported by the supporting plate 25, so that the jacking of the net rack 5 is completed.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (8)

1. The utility model provides a protector for be used for rack jacking which characterized in that: comprises a guide rail component (2) extending along the vertical direction and a main body rod piece (43) connected with a net rack (5);

the guide rail assembly (2) comprises a guide groove (26) extending along the vertical direction and a support assembly arranged in the guide groove (26); the support assembly comprises a support plate (25) and a support; one side of the supporting plate (25) is hinged with one side wall of the guide groove (26), and the other side of the supporting plate is a free end; the support piece is fixedly connected with one side wall of the guide groove (26), is positioned below the support plate (25) and is used for bearing the support plate (25);

the main body rod piece (43) is movably arranged in the guide groove (26) along the extending direction of the guide groove (26); the support member forms a first gap in the guide groove (26), and a second gap is formed in the guide groove (26) when the support plate (25) is abutted against the support member; the width of the first gap is greater than the diameter of the main body rod (43), and the width of the second gap is less than the diameter of the main body rod (43).

2. The protection device for jacking the net rack according to claim 1, wherein: the guide rail assembly (2) comprises a bottom plate (28) and side plates (22) which are respectively connected with two opposite sides of the bottom plate (28); the two side plates (22) are respectively perpendicular to the bottom plate (28) and limit the guide groove (26).

3. The protection device for jacking the net rack as claimed in claim 2, wherein: a column connecting piece (21) is arranged on one side of the side plate (22) far away from the bottom plate (28); two ends of the steel wire rope (3) are respectively bound with the column connecting pieces (21) on the two side plates (22), and surround the upright column (1), so that the guide rail assembly (2) is bound on the upright column (1).

4. The protection device for jacking the net rack according to claim 3, wherein: and a first through hole (211) for binding the steel wire rope (3) is formed in the column connecting piece (21).

5. The protection device for jacking the net rack according to claim 1, wherein: the supporting piece comprises an inclined supporting plate (23) and a reinforced inclined supporting plate (24), the inclined supporting plate (23) is positioned below the supporting plate (25), one end of the inclined supporting plate is fixedly connected with the side wall of the guide groove (26), and the other end of the inclined supporting plate extends upwards and obliquely; strengthen the fagging (24) and be located backup pad (25) with between fagging (23), one end fixed connection the lateral wall of guide slot (26), other end fixed connection in fagging (23) are last.

6. The protection device for jacking the net rack according to claim 5, wherein: the support assembly comprises two oppositely arranged support plates (25) and two oppositely arranged supports; a third gap is formed between the two inclined supporting plates (23); a fourth gap is formed between the two support plates (25); the width of the third gap is greater than the diameter of the body rod (43), and the width of the fourth gap is less than the diameter of the body rod (43).

7. The protection device for jacking the net rack according to claim 5, wherein: the supporting components are arranged in multiple groups along the extending direction of the guide grooves (26), and the spacing distance of each group of the supporting components is equal to the subsection distance of the net rack (5) which needs to rise.

8. The protection device for jacking the net rack according to claim 1, wherein: the bottom end of the main body rod piece (43) is provided with two end pulley connecting pieces (42) which are arranged oppositely, two end pulleys (41) are arranged between the end pulley connecting pieces (42), the distance between the end pulley connecting pieces (42) is larger than the thickness of each end pulley (41), and each end pulley (41) is rotatably connected with the corresponding end pulley connecting piece (42) through a second rotating shaft (44).

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