CN209776471U

CN209776471U - Portal frame structure

Info

Publication number: CN209776471U
Application number: CN201920567849.5U
Authority: CN
Inventors: 衡家锋; 所立新; 郭德生; 徐勇; 张皓月; 郭德志; 张玉鑫
Original assignee: BEIJING JIANGONG GROUP Co Ltd
Current assignee: BEIJING JIANGONG GROUP Co Ltd; Beijing Construction Engineering Group Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2019-12-13
Anticipated expiration: 2029-04-24

Abstract

The utility model provides a pair of portal frame structure relates to the portal frame field, include the n-shaped portal of connecting formation by stand and crossbeam, the bottom of one of them stand is equipped with non-draw gear, and the bottom of another stand is equipped with draw gear, draw gear includes traction wheel, connecting rod, towing hook, bearing and traction wheel mount, and the connecting rod level sets up the bottom at the stand, the both ends of connecting rod all overlap there is the sleeve. The whole body of the traction hook is V-shaped, and the end part of the traction hook is connected with the sleeve. The bearing is arranged in the traction wheel in a penetrating way. The number of the traction wheel fixing frames is two, and the traction wheel fixing frames are respectively connected with the bearing and the connecting rod. The portal frame structure is used for carrying the well base and the ring cover, the moving direction of the portal frame can be flexibly controlled, and the construction efficiency is improved.

Description

Portal frame structure

Technical Field

The utility model relates to a portal frame field specifically is a portal frame structure.

Background

In some municipal works that have now, inspection shaft quantity is huge, and well lid and circle seat weight are big, and the transport in well lid yard, construction and installation are very inconvenient, lead to construction speed slow, the difficult assurance of installation quality, the potential safety hazard is big during the construction.

A gantry is a common tool for transporting materials and for up and down use by workers. The wheel of the installation of present common movable portal frame bottom is mostly the universal wheel. However, the construction site is provided with a plurality of pits and a plurality of obstacles, and the movable gantry frame is very strenuous to move on an uneven construction site.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a portal frame structure, which solves the problems of inconvenient carrying, installation and construction in a well cover field, slow construction speed, difficult guarantee of installation quality and large potential safety hazard during construction; a common movable gantry frame is quite laborious to move on a construction site with a plurality of obstacles in a hollow manner.

In order to solve the technical problem, the utility model provides a portal frame structure, include the n-shaped portal of being formed by stand and crossbeam connection, the bottom of one of them stand is equipped with non-draw gear, and the bottom of another stand is equipped with draw gear, draw gear includes the traction wheel, draw gear still includes:

The connecting rod is horizontally arranged at the bottom of the upright post, and sleeves are sleeved at two ends of the connecting rod;

The whole traction hook is V-shaped, and the end part of the traction hook is connected with the sleeve;

The bearing is arranged in the traction wheel in a penetrating way;

The number of the traction wheel fixing frames is two, and the traction wheel fixing frames are respectively connected with the bearing and the connecting rod.

Preferably, the whole traction wheel fixing frame is a right triangle and comprises a horizontal fixing rod, a vertical fixing rod and an oblique fixing rod, one end of the horizontal fixing rod and one end of the oblique fixing rod are connected with the bearing, and the two vertical fixing rods are connected with the connecting rod.

Preferably, a reinforcing pipe is connected to the outer side of the traction wheel fixing frame.

Preferably, the reinforcing pipe is connected between a connection node of the horizontal fixing rod and the vertical fixing rod and the oblique fixing rod.

preferably, the traction wheel is a rubber tire, and the tire outer diameter of the traction wheel is 300mm ~ 400 mm.

Preferably, the bottom of the upright column on one side of the traction device is connected with a T-shaped adapter, a vertical rod of the T-shaped adapter is connected to the bottom end of the upright column, and a cross rod of the T-shaped adapter penetrates through the two traction wheel fixing frames and is fixedly connected with the traction wheel fixing frames.

Preferably, the non-traction device comprises a non-traction wheel, a wheel shaft and a transition steel pipe, the wheel shaft is connected between the two non-traction wheels, and the transition steel pipe is sleeved outside the wheel shaft and fixedly connected to the bottom end of the upright post.

Preferably, stiffening rods are symmetrically connected between the upright posts and the wheel shafts.

Preferably, the bottom of the cross beam is connected with a hook and a chain block, and the bottom of the chain block is provided with a lifting claw.

Compared with the prior art, the utility model discloses a characteristics and beneficial effect do: the utility model provides a portal frame structure is used for carrying well seat and ring lid, including draw gear and non-draw gear, through the direction of manual adjustment traction wheel, the moving direction of nimble control portal frame. The traction wheel is a rubber wheel and is easy to move in a hollow construction site. The construction speed is improved.

Drawings

Fig. 1 is a construction schematic diagram of a gantry structure.

Fig. 2 is an enlarged schematic structural view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of a non-traction device.

The attached drawings are marked as follows: 1-upright column, 2-cross beam, 3-connecting rod, 4-sleeve, 5-traction hook, 6-traction wheel, 7-bearing, 8-traction wheel fixing frame, 81-horizontal fixing rod, 82-vertical fixing rod, 83-oblique fixing rod, 9-reinforcing tube, 10-T-shaped adapter, 101-vertical rod, 102-cross rod, 11-non-traction wheel, 12-wheel shaft, 13-transition steel tube, 14-stiffening rod, 15-hook, 16-inverted chain and 17-lifting claw.

Detailed Description

in order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention will be further described below.

The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.

As shown in fig. 1 to 3, the portal frame structure comprises an n-shaped portal frame formed by connecting an upright post 1 and a cross beam 2, reinforcing ribs are further arranged between the upright post 1 and the cross beam 2, the reinforcing ribs are angle steels, the upright post 1 and the cross beam 2 are steel pipes, a non-traction device is arranged at the bottom of one upright post 1, a traction device is arranged at the bottom of the other upright post 1, the traction device comprises a traction wheel 6, a connecting rod 3, a traction hook 5, a bearing 7 and a traction wheel fixing frame 8, the traction wheel 6 is a rubber tire, and the outer diameter of the tire of the traction wheel 6 is 300mm ~ 400 mm.

Connecting rod 3 level setting is in the bottom of stand 1, the both ends of connecting rod 3 all overlap there is sleeve 4. The towing hook 5 is integrally V-shaped, and the end part of the towing hook 5 is connected with the sleeve 4. The bearing 7 is arranged in the traction wheel 6.

the number of the traction wheel fixing frames 8 is two, and the traction wheel fixing frames 8 are respectively connected with the bearing 7 and the connecting rod 3. The whole traction wheel fixing frame 8 is in a right-angled triangle shape and comprises a horizontal fixing rod 81, a vertical fixing rod 82 and an oblique fixing rod 83, one ends of the horizontal fixing rod 81 and the oblique fixing rod 83 are connected with the bearing 7, and the two vertical fixing rods 82 are connected with the connecting rod 3. The traction wheel fixing frame 8 firmly connects the traction wheel 6 with the upright post 1, so that the whole structure of the gantry is more stable when the gantry moves.

and a reinforcing pipe 9 is connected to the outer side of the traction wheel fixing frame 8. The reinforcing pipe 9 is connected between a connection node of the horizontal fixing rod 81 and the vertical fixing rod 82 and the diagonal fixing rod 83.

The bottom of the upright post 1 on one side of the traction device is connected with a T-shaped adapter 10, a vertical rod 101 of the T-shaped adapter 10 is connected to the bottom end of the upright post 1, and a cross rod 102 of the T-shaped adapter 10 penetrates through the two traction wheel fixing frames 8 and is fixedly connected with the traction wheel fixing frames 8.

The non-traction device comprises non-traction wheels 11, a wheel shaft 12 and a transition steel pipe 13, wherein the wheel shaft 12 is connected between the two non-traction wheels 11, and the transition steel pipe 13 is sleeved outside the wheel shaft 12 and fixedly connected to the bottom end of the upright post 1. Stiffening rods 14 are symmetrically connected between the upright posts 1 and the wheel shafts 12.

The bottom of the cross beam 2 is connected with a hook 15 and a chain block 16, and the bottom of the chain block 16 is provided with a lifting claw 17. The lifting claw 17 is composed of a plurality of U-shaped hooks, each of which is made of a round bar.

The above embodiments are merely illustrative of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims.

Claims

1. the utility model provides a portal frame structure, includes the n portal of being connected formation by stand (1) and crossbeam (2), and the bottom of one of them stand (1) is equipped with non-draw gear, its characterized in that, and the bottom of another stand (1) is equipped with draw gear, draw gear includes traction wheel (6), draw gear still includes:

The connecting rod (3) is horizontally arranged at the bottom of the upright post (1), and sleeves (4) are sleeved at two ends of the connecting rod (3);

The traction hook (5) is integrally V-shaped, and the end part of the traction hook (5) is connected with the sleeve (4);

The bearing (7) is arranged in the traction wheel (6) in a penetrating way;

The number of the traction wheel fixing frames (8) is two, and the traction wheel fixing frames (8) are respectively connected with the bearings (7) and the connecting rods (3).

2. A gantry structure according to claim 1, wherein: the traction wheel fixing frame (8) is integrally in the shape of a right-angled triangle and comprises a horizontal fixing rod (81), a vertical fixing rod (82) and an oblique fixing rod (83), the horizontal fixing rod (81) and one end of the oblique fixing rod (83) are connected with a bearing (7), and the two vertical fixing rods (82) are connected with a connecting rod (3).

3. a gantry structure according to claim 2, wherein: the outer side of the traction wheel fixing frame (8) is connected with a reinforcing pipe (9).

4. A gantry structure according to claim 3, wherein: the reinforced pipe (9) is connected between the connecting node of the horizontal fixed rod (81) and the vertical fixed rod (82) and the oblique fixed rod (83).

5. A portal frame structure according to claim 1, wherein the traction wheel (6) is a rubber tire, and the outer diameter of the tire of the traction wheel (6) is 300mm ~ 400 mm.

6. A gantry structure according to claim 2, wherein: the bottom of a vertical column (1) on one side of the traction device is connected with a T-shaped adapter (10), a vertical rod (101) of the T-shaped adapter (10) is connected to the bottom end of the vertical column (1), and a cross rod (102) of the T-shaped adapter (10) penetrates through two traction wheel fixing frames (8) and is fixedly connected with the traction wheel fixing frames (8).

7. the portal frame structure according to any one of claims 1 to 6, wherein: the non-traction device comprises non-traction wheels (11), a wheel shaft (12) and a transition steel pipe (13), wherein the wheel shaft (12) is connected between the two non-traction wheels (11), and the transition steel pipe (13) is sleeved outside the wheel shaft (12) and is fixedly connected to the bottom end of the upright post (1).

8. A gantry structure according to claim 7, wherein: stiffening rods (14) are symmetrically connected between the upright post (1) and the wheel shaft (12).

9. A gantry structure according to claim 8, wherein: the bottom of the cross beam (2) is connected with a hook (15) and a chain block (16), and the bottom of the chain block (16) is provided with a lifting claw (17).