CN214935423U

CN214935423U - Simple portal frame

Info

Publication number: CN214935423U
Application number: CN202023193347.2U
Authority: CN
Inventors: 陆建兵; 许强豹
Original assignee: Nanjing Huadian Construction Group Co ltd
Current assignee: Nanjing Huadian Construction Group Co ltd
Priority date: 2020-12-27
Filing date: 2020-12-27
Publication date: 2021-11-30
Anticipated expiration: 2030-12-27

Abstract

The utility model discloses a simple and easy portal frame, including vertical support piece, horizontal support piece, fastening nut, scaffold steel pipe fitting and hand-operated block, vertical support piece's upper end welded connection has horizontal support piece, and vertical support piece's the outside runs through and installs fastening nut, the scaffold steel pipe fitting is installed to fastening nut's the outside nestification, and scaffold steel pipe fitting is connected with vertical support piece's the outside, the mounting is installed to horizontal support piece's lower extreme bolt, and the inboard nestification of mounting installs hand-operated block. This simple and easy portal frame, along the vertical support piece and the horizontal support piece outside of perpendicular butt joint, installation multiunit scaffold steel pipe fitting that can be stable makes it form triangle-shaped shape bearing structure, when guaranteeing device support stability, the mounting structure of whole portal frame is simple and convenient, and the material reduces, can save installation cost 50%, has improved the practicality of device.

Description

Simple portal frame

Technical Field

The utility model relates to a steel construction technical field specifically is simple and easy portal frame.

Background

Along with the continuous development of the construction industry, the work equipment of the required adaptation of steel construction job site increases gradually, and hoisting machinery is one of the comparatively common processing equipment of girder steel, steel column additional installation in-process wherein involving wherein.

Under normal condition, the construction of steel construction needs sufficient construction site to in the operation space of hoist and mount machinery, and the safe hoist and mount of girder steel, steel column, if the place is narrow and small, the mounting height is on the high side, hoist and mount machinery can't normally be under construction, and then there is certain use defect.

Aiming at the problems, innovative design is urgently needed on the basis of the original portal frame structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple and easy portal frame to under the normal condition who proposes in solving above-mentioned background art, the construction of steel construction needs sufficient construction site, so that the operation space of hoist and mount machinery to and the safe hoist and mount of girder steel, steel column, if the problem that the place is narrow and small, the mounting height is on the high side, hoist and mount machinery can't normally be under construction appears.

In order to achieve the above object, the utility model provides a following technical scheme: simple and easy portal frame, including vertical support piece, horizontal support piece, fastening nut, scaffold steel pipe fitting and hand block, vertical support piece's upper end welded connection has horizontal support piece, and vertical support piece's the outside runs through and installs fastening nut, scaffold steel pipe fitting is installed to fastening nut's the outside nestification, and scaffold steel pipe fitting is connected with vertical support piece's the outside, the mounting is installed to horizontal support piece's lower extreme bolt, and the inboard nestification of mounting installs hand block.

Preferably, the upper ends of the transverse support member and the vertical support member are of a welding integrated structure, the supporting angle between the transverse support member and the vertical support member is 90 °, and the length of the transverse support member is smaller than that of the vertical support member.

Preferably, the scaffold steel pipe fittings are symmetrically distributed about a central point of the vertical support, the scaffold steel pipe fittings and the outer sides of the vertical support form a bolt connection structure through fastening nuts, and the end support angle of the scaffold steel pipe fittings ranges from 45 degrees to 60 degrees.

Preferably, the mounting is provided with storage tank, moving part, haulage rope, guide way, locating part and reset spring, and the storage tank has been seted up to the inboard of mounting to the moving part is installed to the inner nestification of storage tank, and the outside fixedly connected with haulage rope of moving part simultaneously, and the guide way has been seted up to the inner of mounting, and the locating part is installed to the inner nestification of guide way, and the lower extreme fixedly connected with reset spring of locating part simultaneously, and reset spring is connected with the inboard of mounting.

Preferably, the movable part is of a T-shaped structure in the front view, the outer side of the movable part and the upper end of the manual hoist form a sliding structure, and the outer end of the movable part is symmetrically provided with traction ropes.

Preferably, the limiting member forms a structure with the lower end of the movable member through the traction rope, the limiting member forms a telescopic structure with the inner side of the fixed member through the return spring, and the limiting member is symmetrically distributed about the central point of the fixed member.

Compared with the prior art, the beneficial effects of the utility model are that: the simple portal frame;

1. the symmetrically distributed scaffold steel pipe pieces are arranged, and a plurality of groups of scaffold steel pipe pieces can be stably installed along the outer sides of the vertical supporting pieces and the transverse supporting pieces which are vertically butted, so that a triangular supporting structure is formed, the supporting stability of the device is ensured, the installation structure of the whole portal frame is simple and convenient, the number of materials is reduced, the installation cost can be saved by 50%, and the practicability of the device is improved;

2. be provided with the locating part of symmetric distribution, along with the hand block carries out nested butt joint work along the inner of mounting, the pressurized moving part will move down thereupon to drive 2 sets of locating part internalizations through the haulage rope, thereby from spacing to the hand block outer end of contact, avoid its atress in-process to appear rocking bad phenomenon, improved the security of device.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a schematic cross-sectional structural view of the fixing member of the present invention.

In the figure: 1. a vertical support; 2. a transverse support; 3. fastening a nut; 4. scaffold steel pipe fittings; 5. a fixing member; 6. a chain block; 7. a containing groove; 8. a movable member; 9. a hauling rope; 10. a guide groove; 11. a limiting member; 12. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: simple portal frame, including vertical support piece 1, horizontal support piece 2, fastening nut 3, scaffold steel pipe fitting 4, mounting 5, hand-operated block 6, storage tank 7, moving part 8, haulage rope 9, guide way 10, locating part 11 and reset spring 12, vertical support piece 1's upper end welded connection has horizontal support piece 2, and vertical support piece 1's the outside is run through and is installed fastening nut 3, scaffold steel pipe fitting 4 is installed to fastening nut 3's the outside nestification, and scaffold steel pipe fitting 4 is connected with vertical support piece 1's the outside, mounting 5 is installed to horizontal support piece 2's lower extreme bolt, and hand-operated block 6 is installed to mounting 5's inboard nestification.

The upper ends of the transverse support member 2 and the vertical support member 1 are of a welding integrated structure, the supporting angle between the transverse support member 2 and the vertical support member 1 is 90 degrees, the length of the transverse support member 2 is smaller than that of the vertical support member 1, and the transverse support member 2 and the vertical support member 1 which are of a vertical structure can be stably matched with the hand-operated hoist 6 to lift a contacted object;

the scaffold steel pipe fittings 4 are symmetrically distributed about the central point of the vertical support member 1, the scaffold steel pipe fittings 4 and the outer side of the vertical support member 1 form a bolt connection structure through fastening nuts 3, the tail end supporting angle range of the scaffold steel pipe fittings 4 is 45-60 degrees, and the outer side of the vertical support member 1 can be stably supported through the symmetrically distributed inclined scaffold steel pipe fittings 4;

the fixed part 5 is provided with a containing groove 7, a movable part 8, a traction rope 9, a guide groove 10, a limiting part 11 and a return spring 12, the containing groove 7 is arranged on the inner side of the fixed part 5, a movable piece 8 is nested and installed at the inner end of the containing groove 7, a traction rope 9 is fixedly connected with the outer side of the movable piece 8, a guide groove 10 is arranged at the inner end of the fixed piece 5, and the inner end of the guide slot 10 is nested with a limit piece 11, and the lower end of the limit piece 11 is fixedly connected with a return spring 12, and the return spring 12 is connected with the inner side of the fixed part 5, the movable part 8 is in a T-shaped structure in front view, the outer side of the movable part 8 and the upper end of the hand-operated hoist 6 form a sliding structure, the outer end of the movable piece 8 is symmetrically distributed with a hauling rope 9, so that the movable piece 8 contacting with the hand-operated hoist 6 can stably move downwards along the inner side of the fixed piece 5, and further drives the hauling rope 9 on the outer side to synchronously move downwards;

the locating part 11 passes through the haulage rope 9 and constitutes the structure with the lower extreme of moving part 8, and the locating part 11 passes through reset spring 12 and constitutes extending structure with the inboard of mounting 5 to the locating part 11 lets the in-process that the moving part 8 atress moved down about the central point symmetric distribution of mounting 5, can be stable drive the locating part 11 inward movement of butt joint through the haulage rope 9, and then inwards realize from spacing working effect.

The working principle is as follows: when the simple portal frame is used, according to the figure 1-3, firstly, the device is placed at a position needing to work, then, a simple portal frame support is erected according to the installation position of a steel beam and a steel column, a vertical support member 1 (the wall thickness is 3-5mm, and is adjusted according to the weight of the steel beam to be hoisted) which is larger than the installation height of the steel beam is selected, a transverse support member 2 which has the same diameter and the same specification and is slightly longer than the beam width is welded at the top end of the vertical support member to serve as a cross beam, a hand-operated hoist 6 is butted in the cross beam through a fixing member 5, then, a movable scaffold is placed on two sides of a vertical column of the movable scaffold, the portal frame is fixed on the movable scaffold through a scaffold steel pipe member 4, then the device is moved to the position under the installation position, a correct and safe hoisting cable is arranged, the hand-operated hoist 6 is used for pulling and hoisting, and the steel beam or the steel column is installed after the installation position is needed;

according to fig. 1 and 4, when a user nests and butts the upper end of the manual hoist 6 along the inner end of the fixing piece 5, the pre-pressed moving piece 8 moves downwards along the inner side of the accommodating groove 7, and drives the traction rope 9 on the outer side to synchronously roll, so that 2 groups of limiting pieces 11 are driven to synchronously stretch the reset springs 12 to move inwards, the outer end of the manual hoist 6 in contact is automatically limited, the phenomenon that the manual hoist shakes in the stress process is avoided, and the safety of the device is improved.

Those not described in detail in this specification are within the skill of the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Simple and easy portal frame, including vertical support piece (1), horizontal support piece (2), fastening nut (3), scaffold steel pipe fitting (4) and manual calabash (6), its characterized in that: the scaffold is characterized in that the upper end of the vertical support piece (1) is connected with a transverse support piece (2) in a welded mode, the outer side of the vertical support piece (1) is provided with a fastening nut (3) in a penetrating mode, the outer side of the fastening nut (3) is embedded and provided with a scaffold steel pipe fitting (4), the scaffold steel pipe fitting (4) is connected with the outer side of the vertical support piece (1), the lower end bolt of the transverse support piece (2) is provided with a fixing piece (5), and the inner side of the fixing piece (5) is embedded and provided with a manual hoist (6).

2. The simple portal frame of claim 1, wherein: the upper ends of the transverse supporting piece (2) and the vertical supporting piece (1) are of a welding integrated structure, the supporting angle between the transverse supporting piece (2) and the vertical supporting piece (1) is 90 degrees, and the length of the transverse supporting piece (2) is smaller than that of the vertical supporting piece (1).

3. The simple portal frame of claim 1, wherein: the scaffold steel pipe fittings (4) are symmetrically distributed about the central point of the vertical support member (1), the scaffold steel pipe fittings (4) and the outer side of the vertical support member (1) form a bolt connection structure through fastening nuts (3), and the tail end supporting angle range of the scaffold steel pipe fittings (4) is 45-60 degrees.

4. The simple portal frame of claim 1, wherein: fixing piece (5) are provided with storage tank (7), moving part (8), haulage rope (9), guide way (10), locating part (11) and reset spring (12), and storage tank (7) have been seted up to the inboard of fixing piece (5), and moving part (8) are installed to the inner nestification of storage tank (7), the outside fixedly connected with haulage rope (9) of moving part (8) simultaneously, and guide way (10) have been seted up to the inner of fixing piece (5), and locating part (11) are installed to the inner nestification of guide way (10), the lower extreme fixedly connected with reset spring (12) of locating part (11) simultaneously, and reset spring (12) are connected with the inboard of fixing piece (5).

5. The simple portal frame of claim 4, wherein: the movable piece (8) is of a T-shaped structure in the front view, the outer side of the movable piece (8) and the upper end of the hand-operated hoist (6) form a sliding structure, and the outer end of the movable piece (8) is symmetrically provided with traction ropes (9).

6. The simple portal frame of claim 4, wherein: the limiting piece (11) and the lower end of the movable piece (8) form a structure through the traction rope (9), the limiting piece (11) and the inner side of the fixed piece (5) form a telescopic structure through the return spring (12), and the limiting piece (11) is symmetrically distributed about the central point of the fixed piece (5).