CN213569180U

CN213569180U - Levelness-adjustable movable portal frame

Info

Publication number: CN213569180U
Application number: CN202022136086.4U
Authority: CN
Inventors: 冯力行; 陈峰兵; 向小峰; 席强
Original assignee: Guangxi Guiguan Electric Power Co ltd; Longtan Hydropower Development Co ltd Longtan Hydroelectric Power Plant
Current assignee: Guangxi Guiguan Electric Power Co ltd; Longtan Hydropower Development Co ltd Longtan Hydroelectric Power Plant
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-06-29
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a mobile portal frame with adjustable levelness, which comprises a beam, upright posts arranged at the bottoms of two sides of the beam, an inverted T-shaped bracket and a base; the inverted T-shaped bracket is movably connected with the upright post; the base mainly comprises a connecting rod and a connecting disc; the connecting disc is fixedly arranged at the bottom of the inverted T-shaped bracket through a connecting rod; the bottom of the connecting disc is provided with a universal wheel; the connecting disc is also provided with a fine-adjustable bracket. The utility model can be flexibly moved and adjusted between different working surfaces; and the height adjustment of the beam can be realized, and the use is more convenient.

Description

Levelness-adjustable movable portal frame

Technical Field

The utility model belongs to the technical field of hoisting equipment, in particular to levelness adjustable portable portal frame.

Background

The portal frame is a hoisting equipment commonly used, is often used in operation processes such as mining, vapour maintenance, civil engineering construction, can play the effect that reduces the manpower, reduce cost, improve work efficiency. Traditional portal frame can only use on levelness height and smooth subaerial, if there is local unevenness on ground, then can't use the portal frame to carry out the jack-up operation, and the use occasion receives certain restriction. Meanwhile, the height adjusting span of the traditional bolt adjusting type portal frame is too large, and the adjustment is inconvenient in occasions where the levelness of the portal frame needs to be finely adjusted.

In order to enlarge the application range of the portal frame and furthest play the role of the portal frame in the lifting operation so as to meet the increasing production and living requirements, the traditional portal frame needs to be improved and designed.

SUMMERY OF THE UTILITY MODEL

The defect to prior art exists, the utility model provides a can be in the nimble portable portal frame of levelness adjustable who removes and can realize the high fine setting of portal frame on unevenness ground.

The utility model discloses a following technical scheme realizes:

a mobile portal frame with adjustable levelness comprises a beam, upright columns arranged at the bottoms of two sides of the beam, an inverted T-shaped support and a base; the inverted T-shaped bracket is movably connected with the upright post; the base mainly comprises a connecting rod and a connecting disc; the connecting disc is fixedly arranged at the bottom of the inverted T-shaped bracket through a connecting rod; the bottom of the connecting disc is provided with a universal wheel; the connecting disc is also provided with a fine-adjustable bracket.

For further explanation of the utility model, the inverted T-shaped bracket comprises a vertical rod and a cross rod; the upright stanchion and the front and rear side surfaces and the left and right side surfaces of the upright stanchion are respectively provided with corresponding bolt holes, and the bolt holes on the front and rear side surfaces and the left and right side surfaces are horizontally staggered and crossed, namely the bolt holes on the front and rear side surfaces are horizontally staggered with the bolt holes on the adjacent left and right side surfaces; the inner diameter of the upright post is larger than the outer diameter of the upright post; the upright posts are sleeved in the upright posts and are fixedly connected by inserting bolts into corresponding bolt holes; the bottom ends of the two sides of the cross rod are respectively provided with a base.

For further explanation of the utility model, the connecting disc is evenly distributed with screw holes along the circumference; the fine-adjustable support is mainly composed of a bolt and a nut matched with the bolt; the bolt is screwed into the screw hole of the connecting disc, the bolt on the upper side of the connecting disc is screwed into the nut, and the nut is tightly attached to the connecting disc.

The two nuts are respectively arranged at the upper part and the lower part of the connecting disc and used for further fixing the position of the bolt; when the fine-adjustable support needs fine adjustment and height adjustment, the screw nuts on the upper portion of the connecting disc are adjusted upwards by rotating the bolts downwards, and the upper screw nuts and the lower screw nuts are respectively screwed in the direction of the connecting disc after the height position is reached; when the fine-adjustable support needs fine adjustment and height adjustment, the bolt is rotated upwards to be adjusted, the nut on the lower portion of the connecting disc is rotated downwards to be adjusted, and the upper nut and the lower nut are screwed down towards the connecting disc respectively after the height position is reached.

To the utility model discloses a further explain, screw on the connection pad is equipped with threely at least, and every screw is equipped with one and can finely tune the support, can finely tune the support through setting up the multiunit, makes overall adjustment more accurate.

To the utility model discloses a explain further, the top of crossbeam both sides still is equipped with the stopper respectively for exceeding the limit and taking place the danger of droing when preventing to remove the heavy object.

To explain the utility model further, the universal wheel has brake equipment for the position of fixed universal wheel.

The universal wheel under the base can be flexibly moved and adjusted among different working surfaces, and the universal wheel brake device is put down and fixed after reaching a designated position; the balance of the whole portal frame can be quickly adjusted on an uneven working surface by adjusting the bolts of the fine-adjustable support, and the integral levelness of the portal frame is finely adjusted; the height of the portal frame required by use is adjusted through the bolts by matching the upright rods with the crossed bolt holes on the upright columns, and the adjustment lead of each stage can be shortened on the premise of ensuring the strength and the rigidity, so that the adjustment of the height and the level of the portal frame is more accurate; the crossbeam is equipped with the stopper, and it is dangerous to exceed the limit when preventing to remove the heavy object.

The utility model has the advantages that:

1. the utility model is convenient to move and adjust between different working surfaces by arranging the universal wheels;

2. the utility model can be adjusted finely on uneven ground to reach the whole level of the portal frame through the height of the adjustable bracket, which is convenient for the expansion work;

3. the utility model is convenient for fine adjustment of the whole height and levelness of the portal frame by matching the bolt hole with the bolt; meanwhile, by arranging the crossed bolt holes, the adjusting lead of each stage can be shortened, so that the height and the level of the portal frame can be adjusted more accurately;

4. the utility model discloses a be equipped with the stopper at the crossbeam, exceed the limit and take place danger when preventing to remove the heavy object.

Drawings

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

fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 3 is a right side view of the present invention;

in the figure: 1-beam, 2-column, 3-inverted T-shaped support, 4-base, 5-connecting rod, 6-connecting disc, 7-universal wheel, 8-fine adjustable support, 9-limiting block, 10-brake device, 31-vertical rod and 32-cross rod.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Example 1

As shown in fig. 1 and 3, a mobile portal frame with adjustable levelness comprises a beam 1, upright columns 2 arranged at the bottoms of two sides of the beam, an inverted T-shaped support 3 and a base 4; the inverted T-shaped bracket 3 is movably connected with the upright post 2; the base 4 mainly comprises a connecting rod 5 and a connecting disc 6; the connecting disc 6 is fixedly arranged at the bottom of the inverted T-shaped bracket 3 through a connecting rod 5; the bottom of the connecting disc 6 is provided with a universal wheel 7; and a fine-adjustable bracket 8 is also arranged on the connecting disc 6.

The inverted T-shaped bracket 3 comprises a vertical rod 31 and a cross rod 32; the upright rod 31 and the front side surface, the rear side surface, the left side surface and the right side surface of the upright post 2 are respectively provided with corresponding bolt holes, and the bolt holes on the front side surface, the rear side surface, the left side surface and the right side surface are horizontally staggered and crossed, namely the bolt holes on the front side surface and the rear side surface are horizontally staggered with the bolt holes on the adjacent left side surface and the right side surface; the inner diameter of the upright rod 31 is larger than the outer diameter of the upright post 2; the upright post 2 is sleeved in the upright rod 31 and is fixedly connected by inserting a bolt into the corresponding bolt hole; the bottom ends of the two sides of the cross rod 32 are respectively provided with a base 4.

The connecting disc 6 is uniformly distributed with screw holes along the circumference; the fine-adjustable bracket 8 mainly comprises a bolt and a nut matched with the bolt; the bolt is screwed into a screw hole of the connecting disc 6, the bolt on the upper side of the connecting disc 6 is screwed into a nut, and the nut is tightly attached to the connecting disc 6.

The screw holes in the connecting disc 6 are three, and each screw hole is provided with a fine-adjustable support 8.

And the tops of two sides of the beam 1 are respectively provided with a limiting block 9. The universal wheel 7 is provided with a brake device 10.

In the embodiment, the universal wheel 7 under the base 4 can be flexibly moved and adjusted among different working surfaces, and the brake device 10 of the universal wheel 7 is put down and fixed after reaching a specified position; the balance of the whole portal frame can be quickly adjusted on an uneven working surface by adjusting the bolts of the fine-adjustable support 8, and the integral levelness of the portal frame is finely adjusted; the vertical rod 31 is matched with the bolt hole in the upright post 2, the required use height of the portal frame is adjusted through the bolt, and on the premise of ensuring the strength and the rigidity, the adjusting lead of each stage can be shortened, so that the adjustment of the height and the level of the portal frame is more accurate; the crossbeam is equipped with stopper 9, and it is dangerous to prevent to exceed the limit when removing the heavy object.

Example 2

As shown in fig. 2, the present embodiment is different from embodiment 1 in that: the screw holes in the connecting disc 6 are four, and each screw hole is provided with a fine-tuning support 8, so that fine tuning in all directions is more accurate.

Claims

1. The utility model provides a levelness adjustable portable portal frame which characterized in that: comprises a beam (1), upright posts (2) arranged at the bottoms of two sides of the beam, an inverted T-shaped bracket (3) and a base (4); the inverted T-shaped bracket (3) is movably connected with the upright post (2); the base (4) mainly comprises a connecting rod (5) and a connecting disc (6); the connecting disc (6) is fixedly arranged at the bottom of the inverted T-shaped support (3) through a connecting rod (5); the bottom of the connecting disc (6) is provided with a universal wheel (7); the connecting disc (6) is also provided with a fine-adjustable bracket (8).

2. The mobile portal frame with adjustable levelness of claim 1, wherein: the inverted T-shaped support (3) comprises a vertical rod (31) and a cross rod (32); the front side surface, the rear side surface, the left side surface and the right side surface of the upright post (31) and the upright post (2) are respectively provided with corresponding bolt holes, and the bolt holes on the front side surface, the rear side surface, the left side surface and the right side surface are horizontally staggered and crossed, namely the bolt holes on the front side surface and the rear side surface are horizontally staggered with the bolt holes on the adjacent left side surface and the right side surface; the inner diameter of the upright rod (31) is larger than the outer diameter of the upright post (2); the upright post (2) is sleeved in the upright post (31) and is fixedly connected by inserting a bolt into a corresponding bolt hole; the bottom ends of the two sides of the cross rod (32) are respectively provided with a base (4).

3. The mobile portal frame with adjustable levelness of claim 1 or 2, wherein: the connecting disc (6) is uniformly distributed with screw holes along the circumference; the fine-adjustable support (8) mainly comprises a bolt and a nut matched with the bolt for use; the bolt is screwed into the screw hole of the connecting disc (6), the bolt on the upper side of the connecting disc (6) is screwed into the nut, and the nut is tightly attached to the connecting disc (6).

4. The mobile portal frame with adjustable levelness of claim 3, wherein: the screw holes in the connecting disc (6) are at least three, and each screw hole is provided with a fine-adjustable support (8).

5. The mobile portal frame with adjustable levelness of claim 1, wherein: and the tops of two sides of the beam (1) are respectively provided with a limiting block (9).

6. The mobile portal frame with adjustable levelness of claim 1, wherein: the universal wheel (7) is provided with a brake device (10).