CN216076174U

CN216076174U - Four-hole portal frame with high stability

Info

Publication number: CN216076174U
Application number: CN202121968738.9U
Authority: CN
Inventors: 陈雷中; 王茂
Original assignee: Chongqing Dazu Rushengxing Power Equipment Co ltd
Current assignee: Chongqing Dazu Rushengxing Power Equipment Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-03-18
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a four-hole portal frame with strong stability, which comprises a scaffold board, support columns and movable seats, wherein clamping grooves are formed in the support columns, support legs are slidably mounted on the outer sides of the support columns, first support rods and second support rods are slidably mounted on the inner sides of the support columns respectively, the movable seats are fixed between the first support rods and the second support rods in a limiting mode, spiral rotating rods are movably mounted on the movable seats, limiting seats matched with the movable seats are movably mounted on the spiral rotating rods at the rear ends of the first support rods, first fixing columns and second fixing columns are fixedly mounted between the support columns respectively, the scaffold board is fixed between the first fixing columns in a limiting mode, and movable frames are movably mounted at the bottoms of the scaffold boards. According to the utility model, the support columns are matched with the spiral support legs and the support legs, the support legs are used for reinforcing and supporting the support columns, the structural strength is improved, and the scaffold board is matched with the movable frame, so that the scaffold board can be limited and fixed, and the safety is improved.

Description

Four-hole portal frame with high stability

Technical Field

The utility model relates to the technical field of gantries, in particular to a four-hole gantry with strong stability.

Background

The portal scaffold is one of the most widely used scaffolds in construction, is called a portal or door type scaffold because the main frame is in a door shape, is also called a scaffold or a portal frame, and has better effect when being applied to the construction of some high-rise building engineering.

Through retrieval, patent publication No. CN203728520U discloses a portal frame, which adopts H-shaped steel, both sides of the H-shaped steel are respectively provided with a groove, one of the grooves is provided with a roller through a wheel shaft, the other groove is provided with a roller arranged on the adjacent portal frame or the fork frame through the wheel shaft, and the wheel shaft is also sleeved with a gasket for eliminating the gap.

The existing four-hole portal frame with strong stability has the defects that:

1. the existing four-hole portal frame does not have a good stable structure, generally uses a single supporting leg structure for supporting, and cannot well increase the supporting area of the supporting leg, so that the four-hole portal frame is easy to shake when in use, the structural strength is reduced, and more troubles are brought to the construction operation of operators;

2. general four-hole portal does not have better limit structure, and most all are direct places the scaffold board on four-hole portal, makes the scaffold board take place the upset condition of droing easily when using, leads to the fact higher potential safety hazard for the operating personnel easily, has reduced the result of use, and we propose a four-hole portal that stability is strong for this reason and solve current problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a four-hole portal frame with strong stability so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a four-hole portal frame with strong stability comprises a scaffold board, support columns and movable seats, wherein clamping grooves are formed in the support columns, support legs are slidably mounted on the outer sides of the support columns, first support rods and second support rods are slidably mounted on the inner sides of the support columns respectively, the movable seats are fixed between the first support rods and the second support rods in a limiting mode and are located at the front ends of the second support rods, spiral rods are movably mounted on the movable seats and penetrate through the first support rods and the second support rods, limiting seats matched with the movable seats are movably mounted on the spiral rods at the rear ends of the first support rods, first fixing columns and second fixing columns are fixedly mounted between the support columns respectively, the first fixing columns are located at the tops of the second fixing columns, the scaffold board is fixed between the first fixing columns in a limiting mode, and movable frames are movably mounted at the bottoms of the scaffold boards, the inboard slidable mounting of adjustable shelf has the screw thread seat, movable mounting has two-way screw thread bull stick between the screw thread seat.

Preferably, the bottom of the support column is spirally provided with a spiral support leg, and the support column and the support leg are fixed through a fixing knob.

Preferably, a stair frame is fixedly mounted between the first fixing column and the second fixing column, and the supporting column, the first supporting rod and the second supporting rod are slidably mounted through movable sleeves.

Preferably, the scaffold board and the first fixed column are fixed in a limiting mode through the first clamping frame, and the movable frame and the second fixed column are fixed in a limiting mode through the second clamping frame.

Preferably, a first clamping hole is formed in the top of the supporting column, and a second clamping hole is formed between the supporting column and the clamping groove.

Preferably, the limiting seat and the movable seat are slidably mounted through a sliding rod, and the movable seat, the first support rod and the second support rod are limited and fixed through limiting columns.

Preferably, the outer side of the bidirectional threaded rotating rod is provided with an anti-slip block, and the movable frame and the threaded seat are slidably mounted through a sliding groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the support columns are matched with the spiral support legs and the support legs, the spiral support legs can be adjusted according to requirements, the support columns can be reinforced and supported by the support legs, and meanwhile, the support columns can be supported according to the flatness of the ground, so that the structural strength of the support columns is effectively improved, the support columns are prevented from shaking and inclining, and the support effect is improved.

2. The scaffold board is matched with the movable frame, the scaffold board can be conveniently limited and fixed, the turnover condition of the scaffold board during use is reduced, safety is improved, the space between the support columns can be conveniently adjusted through the mutual matching of the first support rod and the second support rod, the scaffold boards with different lengths can be conveniently placed according to requirements, the application range is widened, and the scaffold board is convenient and practical.

Drawings

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

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

FIG. 3 is a schematic perspective view of the scaffold board of the present invention;

FIG. 4 is a front view of the scaffold board of the present invention;

fig. 5 is a partial perspective view of the movable seat of the present invention.

In the figure: 1. a scaffold board; 101. a first engaging frame; 2. a first fixed column; 201. a stair frame; 3. a second fixed column; 4. a movable sleeve; 5. a first support bar; 6. a support pillar; 601. a helical leg; 7. a limiting seat; 8. a movable seat; 801. a slide bar; 802. a limiting column; 9. a spiral rod; 10. a second support bar; 11. supporting legs; 1101. fixing the knob; 12. a clamping groove; 1201. a first engaging hole; 1202. a second engaging hole; 13. a movable frame; 1301. a second engaging frame; 1302. a chute; 14. a bidirectional threaded rotating rod; 1401. anti-skid blocks; 15. a threaded seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; 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.

Referring to fig. 1-5, an embodiment of the present invention is shown: a four-hole portal frame with strong stability comprises a scaffold board 1, a support column 6 and a movable seat 8, wherein spiral support legs 601 are spirally arranged at the bottom of the support column 6 through threads, support legs 11 are slidably arranged on the outer side of the support column 6, the support column 6 and the support legs 11 are fixed through a fixing knob 1101, the support heights are adjusted according to different ground surfaces by rotating the spiral support legs 601, the support area can be increased by using the support legs 11, the inclination of the support column 6 is reduced, the support effect is improved, a first support rod 5 and a second support rod 10 are respectively slidably arranged on the inner side of the support column 6, the first support rod 5 and the second support rod 10 are slidably arranged through a movable sleeve 4, the first support rod 5 and the second support rod 10 are driven to turn over by using the movable sleeve 4, the distance between the support columns 6 can be conveniently adjusted according to requirements, and clamping grooves 12 are arranged inside the support column 6, the top of the support column 6 is provided with a first clamping hole 1201, a second clamping hole 1202 is arranged between the support column 6 and the clamping groove 12, other gantry structures can be installed in a butt joint mode through the clamping groove 12 according to use requirements, the first clamping hole 1201 is matched with the second clamping hole 1202 to facilitate fixing, and the application range is widened;

a movable seat 8 is fixed between the first support rod 5 and the second support rod 10 in a limiting manner, the movable seat 8 is positioned at the front end of the second support rod 10, a spiral rod 9 is movably mounted on the movable seat 8 through threads, the spiral rod 9 penetrates through the first support rod 5 and the second support rod 10, a limiting seat 7 matched with the movable seat 8 is movably mounted on the spiral rod 9 at the rear end of the first support rod 5 through threads, the limiting seat 7 and the movable seat 8 are slidably mounted through a slide rod 801, the movable seat 8, the first support rod 5 and the second support rod 10 are fixed in a limiting manner through a limiting column 802, the limiting seat 7 and the movable seat 8 are driven to fold through rotating the spiral rod 9, the first support rod 5 and the second support rod 10 are conveniently fixed in a limiting manner, a first fixed column 2 and a second fixed column 3 are respectively fixedly mounted between the support columns 6 through bolts, the first fixed column 2 is positioned at the top of the second fixed column 3, a stair frame 201 is fixedly arranged between the first fixing column 2 and the second fixing column 3 through bolts, and the stair frame 201 is convenient for a person to operate up and down;

spacing fixed with the scaffold board 1 between first fixed column 2, it is spacing fixed through first block frame 101 between scaffold board 1 and the first fixed column 2, conveniently place scaffold board 1 on first fixed column 2, there is adjustable shelf 13 at the bottom of scaffold board 1 through loose axle movable mounting, it is spacing fixed through second block frame 1301 between adjustable shelf 13 and the second fixed column 3, there is screw thread seat 15 in the inboard of adjustable shelf 13 through spout 1302 slidable mounting, there is two-way screw thread bull stick 14 through screw thread movable mounting between screw thread seat 15, the outside of two-way screw thread bull stick 14 is provided with non slipping spur 1401, utilize non slipping spur 1401 to drive two-way screw thread bull stick 14 and rotate, can drive the relative upset activity of adjustable shelf 13 through screw thread seat 15, make second block frame 1301 and the laminating of second fixed column 3 carry on spacing fixedly, the condition that the upset can effectually take place for scaffold board 1.

The working principle is as follows: when using this strong four-hole portal of stability, adjust the holding height through rotating spiral landing leg 601, slide through driving supporting leg 11 and carry out diversified support to support column 6, through driving the interval of first bracing piece 5 and second bracing piece 10 upset activity regulation support column 6, fold with sliding seat 8 and carry out spacing fixed to first bracing piece 5 and second bracing piece 10 through rotating spiral pole 9 and drive spacing seat 7, place scaffold board 1 on first fixed column 2, carry out spacing fixed on first fixed column 2 through first block 101 block, drive the relative upset activity of movable frame 13 through rotating two-way screw thread bull stick 14, drive second block frame 1301 and the 3 blocks of second fixed column, a series of operations of this strong four-hole portal of stability are accomplished to the above-mentioned.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a four hole portal that stability is strong, includes scaffold board (1), support column (6) and sliding seat (8), its characterized in that: the clamping groove (12) is arranged in the supporting column (6), the supporting leg (11) is slidably mounted on the outer side of the supporting column (6), the first supporting rod (5) and the second supporting rod (10) are slidably mounted on the inner side of the supporting column (6) respectively, a movable seat (8) is fixed between the first supporting rod (5) and the second supporting rod (10) in a limiting mode, the movable seat (8) is located at the front end of the second supporting rod (10), a spiral rod (9) is movably mounted on the movable seat (8), the spiral rod (9) penetrates through the first supporting rod (5) and the second supporting rod (10), a limiting seat (7) matched with the movable seat (8) is movably mounted on the spiral rod (9) at the rear end of the first supporting rod (5), a first fixing column (2) and a second fixing column (3) are fixedly mounted between the supporting columns (6) respectively, first fixed column (2) are located the top of second fixed column (3), spacing fixed with scaffold board (1) between first fixed column (2), the bottom movable mounting of scaffold board (1) has adjustable shelf (13), the inboard slidable mounting of adjustable shelf (13) has screw thread seat (15), movable mounting has two-way screw thread bull stick (14) between screw thread seat (15).

2. A strong four-hole portal frame according to claim 1, wherein: spiral supporting legs (601) are spirally installed at the bottoms of the supporting columns (6), and the supporting columns (6) and the supporting legs (11) are fixed through fixing knobs (1101).

3. A strong four-hole portal frame according to claim 1, wherein: a stair frame (201) is fixedly mounted between the first fixing column (2) and the second fixing column (3), and the supporting column (6), the first supporting rod (5) and the second supporting rod (10) are slidably mounted through a movable sleeve (4).

4. A strong four-hole portal frame according to claim 1, wherein: the scaffold board (1) and the first fixing column (2) are fixed in a limiting mode through a first clamping frame (101), and the movable frame (13) and the second fixing column (3) are fixed in a limiting mode through a second clamping frame (1301).

5. A strong four-hole portal frame according to claim 1, wherein: the top of the support column (6) is provided with a first clamping hole (1201), and a second clamping hole (1202) is arranged between the support column (6) and the clamping groove (12).

6. A strong four-hole portal frame according to claim 1, wherein: the limiting seat (7) and the movable seat (8) are installed in a sliding mode through a sliding rod (801), and the movable seat (8), the first supporting rod (5) and the second supporting rod (10) are fixed in a limiting mode through limiting columns (802).

7. A strong four-hole portal frame according to claim 1, wherein: the outer side of the bidirectional threaded rotating rod (14) is provided with an anti-skid block (1401), and the movable frame (13) and the threaded seat (15) are installed in a sliding mode through a sliding groove (1302).