CN205151586U - Frame bracing is adhered to to bolt top income formula - Google Patents

Abstract

The utility model discloses a bolt jacking type attachment frame brace, which belongs to the field of tower crane attachment frame equipment. The attachment frame brace includes a brace composed of an A-piece brace (4) and a B-piece brace (8). Body, the brace body is equipped with an adjusting bolt (7) that can move along the brace body, and a fastening block (6) that cooperates with the adjusting bolt (7) to adjust the strength of the standard joint. The block (6) is installed between the adjusting bolt (7) and the main chord (9) of the standard section; the A-piece diagonal brace (4) can be fixed on the attachment frame through two ends, and the B-piece diagonal brace (8) Cooperate and fix with the A-piece diagonal brace (4) and the two ends of the B-piece diagonal brace (8) are also fixed on the attachment frame. By setting adjustable adjusting bolts and fastening blocks matched with the adjusting bolts at both ends of the strut, the activity adjustment of the main chord of the standard section can be realized, and the tightness can be adjusted, controllable operation, and compaction are convenient; the adopted The diagonal brace is divided into two pieces, which is easy to install.

Description

Bolt-in type attachment frame diagonal brace

technical field

The utility model relates to an attachment frame diagonal brace, in particular to a bolt jacking type attachment frame diagonal brace, which belongs to the field of tower crane attachment frame equipment.

Background technique

When the tower crane reaches a certain height, its own strength cannot meet the requirements. At this time, it is necessary to add attachment points on the tower body of the tower crane, and fix the tower body with the building wall through connecting rods. The attachment frame is It is the frame surrounding the tower body, which plays the role of connecting the connecting rod and the tower body.

The tower crane fixes the tower body with the building through the attachment frame, which is wrapped around the outside of the four main chords of the standard section. In order to ensure the stability of the standard section, it is necessary to add diagonal braces inside the standard section. At present, most of the oblique braces attached to the frame in the same industry in China are fixed, and the main chords of the two diagonally diagonal standard sections are directly connected by cladding plates and bolts. This type of brace cannot be adjusted in length, and it is prone to overfeeding or overtightening during installation. As shown in Figure 1, the attached frame strut 1 is directly connected to the main chords of the two diagonal standard sections, and is fixed to the main chords of the standard section by cladding plate 2 and bolt 3. This type of strut cannot be adjusted in length, and requires relatively high manufacturing accuracy. high.

Contents of the invention

Aiming at the above-mentioned problems in the prior art, the utility model provides a bolt-in type attached frame diagonal brace, the length of the diagonal brace can be adjusted to avoid the situation of being too loose or too tight, and the requirement for manufacturing precision is low.

In order to achieve the above purpose, the utility model adopts a bolt-in type attachment frame brace, the attachment frame brace includes a brace body composed of a brace of A piece and a brace of B, on which the brace body is installed There are adjusting bolts that can move along the brace body, and fastening blocks that cooperate with the adjusting bolts to adjust the strength of the standard section, and the fastening stops are installed between the adjusting bolts and the main chord of the standard section;

The A-piece diagonal brace can be fixed on the attachment frame through two ends, the B-piece diagonal brace cooperates with the A-piece diagonal brace and the two ends of the B-piece diagonal brace are also fixed on the attachment frame.

As an improvement, the adjusting bolt is installed between the A-piece brace and the B-piece brace, and the adjusting bolt can be adjusted forward and backward along the installation direction of the A-piece brace, driving the fastening block to realize the stability of the main chord of the standard section. improvement.

As an improvement, the A-piece brace and the B-piece brace are fixed by second connecting bolts.

As an improvement, there are two second connecting bolts, which are respectively installed at both ends of the brace body.

As an improvement, the two ends of the A-piece brace are respectively fixed on the attachment frame by first connecting bolts;

The B-piece diagonal brace is arranged parallel to the A-piece diagonal brace, and the two ends of the B-piece diagonal brace are respectively fixed on the attachment frame by first connecting bolts.

As an improvement, the A-piece diagonal brace and the B-piece diagonal brace are fixed by second connecting bolts.

As an improvement, the diagonal braces of the A piece and the B piece have the same structure, and the two ends of the A piece of the diagonal brace and the B piece of the diagonal brace respectively have through holes for installing bolts, and the through holes are installed with bolts for fastening. The second connecting bolt for the A-piece diagonal brace and the B-piece diagonal brace.

As an improvement, the fastening block is movably installed on the brace body and can move under the action of the adjusting bolt. .

Compared with the prior art, the beneficial effect of the utility model is: by setting adjustable adjusting bolts and fastening blocks matched with the adjusting bolts at both ends of the struts, the activity adjustment of the main chord of the standard section is realized, and the Adjustable tightness, controllable operation, convenient compression; the used diagonal brace is divided into two pieces, easy to install; the bolt in the diagonal brace is not directly on the main string of the standard section, but is connected The joint main string is connected, the contact area is large, and the connection is more reliable.

Description of drawings

Fig. 1 is the use structure schematic diagram of existing attachment frame diagonal brace;

Fig. 2 is a schematic diagram of the use state of the bolt jacking type attachment frame diagonal brace of the utility model;

In the figure: 1. Attached frame strut, 2. Covering plate, 3. Bolt, 4. Slanted bracing of piece A, 5. First connecting bolt, 6. Fastening block, 7. Adjusting bolt, 8. Slanted piece of B Support, 9, the main string of the standard section, 10, the second connecting bolt.

detailed description

In order to make the purpose, technical solutions and advantages of the utility model more clear, the utility model will be further described in detail through the accompanying drawings and embodiments below. However, it should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the scope of the utility model.

As shown in Figure 2, a bolt-in type attachment frame brace, the attachment frame brace includes a brace body composed of A-piece brace 4 and B-piece brace 8, the brace body is equipped with a Adjusting bolt 7 that moves along the body of the brace, and a fastening block 6 that cooperates with the adjusting bolt 7 to realize the adjustment of the strength of the standard section, the fastening stop 6 is installed between the adjusting bolt 7 and the main chord 9 of the standard section;

The A-piece diagonal brace 4 can be fixed on the attachment frame through two ends, the B-piece diagonal brace 8 is fixed with the A-piece diagonal brace 4 and the two ends of the B-piece diagonal brace 8 are also fixed on the attachment frame.

As an improvement of the embodiment, the adjusting bolt 7 is installed between the A-piece brace 4 and the B-piece brace 8, and the adjusting bolt 7 can be adjusted back and forth along the installation direction of the A-piece brace 4 to drive the fastening block 6 realizes the improvement of the stability of the main string 9 of the standard section. By adjusting the cooperation between the bolt 7 and the fastening block 6, the stability of the main chord 9 of the standard section can be improved by the diagonal bracing.

As an improvement of the embodiment, the A-piece brace 4 and the B-piece brace 8 are fixed by second connecting bolts 10 . Connected by bolts, the structure is stable and easy to disassemble.

As an improvement of the embodiment, there are two second connecting bolts 10, which are installed at both ends of the brace body respectively. The two ends of the brace body are connected by bolts to ensure the stability of the overall structure.

As an improvement of the embodiment, the two ends of the A-piece brace 4 are respectively fixed on the attachment frame by first connecting bolts 5;

The diagonal brace 8 of the B piece is arranged parallel to the diagonal brace 4 of the A piece, and the two ends of the diagonal brace 8 of the B piece are respectively fixed on the attachment frame by the first connecting bolts 5 . Through the positioning and installation of the A-piece diagonal brace 4, it is convenient to install the B-piece diagonal brace 8, and at the same time, it is convenient to install the adjusting bolt 7 and the fastening block 6 between the A and B-piece diagonal braces.

As an improvement of the embodiment, the A-piece brace 4 and the B-piece brace 8 are fixed by second connecting bolts 10 .

As an improvement of the embodiment, the A-piece slant 4 and the B-piece slant 8 have the same structure, and the two ends of the A-piece slant 4 and the B-piece slant 8 respectively have through holes for installing bolts. A second connecting bolt 10 for fastening the diagonal brace 4 of the A piece and the diagonal brace 8 of the B piece is installed in the hole. Through the bolt connection, the installation is convenient, and the overall structure is stable.

As an improvement of the embodiment, the fastening block 6 is movably installed on the brace body, and can move under the action of the adjusting bolt 7 . Depending on the movement of the adjusting bolt 7, the tightness between the fastening block 6 and the main string is controlled, so as to realize the adjustment of the strength of the main string 9 of the standard section.

When in use, as shown in Figure 2, after the attachment frame is installed, the installation of the attachment frame braces begins. First, hoist the diagonal braces 4 and 8 of the brackets A and B of the attachment frame, assemble them on the upper part of the attachment frame, use the second connecting bolt 10 to connect the two attached diagonal braces, and then use the first connecting bolt 5 to connect them The diagonal brace and the attached frame are pressed against the fastening block 6 by controlling the adjusting bolt 7, so that the fastening block 6 is pressed on the main chord 9 of the standard section, and the stability of the main chord of the standard section is improved.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modification, equivalent replacement or improvement made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (8)

1. A bolt-in type attachment frame brace, characterized in that, the attachment frame brace comprises a brace body made up of A sheet brace (4) and B sheet brace (8), the brace body An adjusting bolt (7) that can move along the brace body and a fastening block (6) that cooperates with the adjusting bolt (7) to adjust the strength of the standard section are installed on the top, and the fastening block (6) is installed on the adjustment Between the bolt (7) and the main chord (9) of the standard section; Described A sheet diagonal brace (4) can be fixed on the attachment frame by two ends, and described B sheet diagonal brace (8) cooperates with described A sheet diagonal brace (4) to fix and the two sides of B sheet diagonal brace (8) The end is also fixed on the attachment frame. 2. A bolt-in type attached frame brace according to claim 1, characterized in that the adjusting bolt (7) is installed between the A-piece brace (4) and the B-piece brace (8) , and the adjusting bolt (7) can be adjusted forward and backward along the installation direction of the A-piece diagonal brace (4), driving the fastening block (6) to realize the improvement of the stability of the main chord (9) of the standard section. 3. A bolt jacking type attachment frame diagonal brace according to claim 2, characterized in that, the A-piece diagonal brace (4) and B-piece diagonal brace (8) are fixed by second connecting bolts (10) . 4 . The bolt-in type attached frame brace according to claim 3 , characterized in that there are two second connecting bolts ( 10 ), which are respectively installed at both ends of the brace body. 5 . 5. A kind of bolt jacking type attachment frame diagonal brace according to claim 1 or 2, characterized in that, the two ends of the A piece diagonal brace (4) are respectively fixed on the attachment frame by first connecting bolts (5). on the frame; The B-piece diagonal brace (8) is arranged parallel to the A-piece diagonal brace (4), and the two ends of the B-piece diagonal brace (8) are respectively fixed on the attachment frame by first connecting bolts (5). 6. A bolt jacking type attachment frame diagonal brace according to claim 5, characterized in that, the second connecting bolt (10) is used between the A-piece diagonal brace (4) and the B-piece diagonal brace (8) fixed. 7. A bolt jacking type attachment frame diagonal brace according to claim 1, characterized in that, the A piece diagonal brace (4) has the same structure as the B piece diagonal brace (8), and the A piece diagonal brace (4) has the same structure as the B piece diagonal brace (8). ), the two ends of the B-piece diagonal brace (8) are respectively provided with through holes for installing bolts, and the first holes for fastening the A-piece diagonal brace (4) and the B-piece diagonal brace (8) are installed in the through-holes. Two connecting bolts (10). 8. A bolt-in type attached frame brace according to claim 1, characterized in that the fastening block (6) is movably installed on the brace body, and can be adjusted by the adjusting bolt (7). Move down.